1 2006-07-06 Roger Sayle <roger@eyesopen.com>
3 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4 a default case to switch statement to silence compiler warnings.
6 2006-07-06 Roger Sayle <roger@eyesopen.com>
9 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10 the configured assembler supports the x87's ffreep mnemonic.
11 * configure: Regenerate.
12 * config.in: Regenerate.
14 * config/i386/i386.c (output_387_ffreep): New function.
15 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
16 (output_387_reg_move): Likewise.
18 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
20 Port to hosts whose 'sort' and 'tail' implementations
21 treat operands with leading '+' as file names, as POSIX
22 has required since 2001. However, make sure the code still
23 works on pre-POSIX hosts.
24 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
25 which says you should use "tail -c +N" rather than "tail +Nc".
26 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
28 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
30 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
33 2006-07-06 David Edelsohn <edelsohn@gnu.org>
36 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
37 PRE_{INC,DEC} of TFmode.
39 2006-07-06 David Edelsohn <edelsohn@gnu.org>
40 Alan Modra <amodra@bigpond.net.au>
43 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
46 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
49 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
52 2006-07-05 Jason Merrill <jason@redhat.com>
56 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
57 * c-common.c (handle_packed_attribute): So don't copy it here.
58 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
60 2006-07-05 Mike Stump <mrs@apple.com>
62 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
64 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
67 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
69 2006-07-05 Richard Guenther <rguenther@suse.de>
72 * config/i386/i386.md (*negdf2_1): Restrict pattern to
73 TARGET_SSE2 targets if using SSE math.
74 (*absdf2_1): Likewise.
76 2006-07-05 Richard Guenther <rguenther@suse.de>
78 PR tree-optimization/28162
79 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
80 make sure to convert the operands to the correct type.
82 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
84 PR tree-optimization/28218
86 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
87 to calculate and free the dominator information.
89 2006-07-04 Peter O'Gorman <peter@pogma.com>
91 * mklibgcc.in: chmod 644 before ranlib during install.
93 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
94 J"orn Rennecke <joern.rennecke@st.com>
96 * configure.ac (.eh_frame data check): Use diff -b.
98 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
101 * Makefile.in (BUILD_RTL): Add build/vec.o.
102 (build/gencondmd.o): Filter out -fkeep-inline-functions.
103 (build/genextract): Delete.
104 (build/genautomata): Likewise.
106 2006-07-04 Alan Modra <amodra@bigpond.net.au>
109 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
110 128-bit IBM long doubles for ABI_V4.
112 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
114 * tree.c (range_in_array_bounds_p): New predicate.
115 * tree.h (range_in_array_bounds_p): Declare it.
116 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
117 return a less conservative answer.
118 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
120 (IS_ELEMENT_FOR_GROUP): New macro.
121 (FOR_EACH_ACTUAL_CHILD): Likewise.
122 (next_child_for_group): New helper function.
123 (can_completely_scalarize_p): Take into account groups.
124 (sra_hash_tree): Handle RANGE_EXPR.
125 (sra_elt_eq): Likewise.
126 (lookup_element): Be prepared for handling groups.
127 (is_valid_const_index): Delete.
128 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
129 instead of is_valid_const_index.
130 <ARRAY_RANGE_REF>: New case.
131 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
132 is_valid_const_index.
133 <ARRAY_RANGE_REF>: Do not unconditionally punt.
134 (scan_dump): Dump info for groups too.
135 (decide_instantiation_1): Likewise.
136 (decide_block_copy): Assert that the element is not a group.
137 Propagate decision to groups.
138 (generate_one_element_ref): Handle RANGE_EXPR.
139 (mark_no_warning): Iterate over actual childs.
140 (generate_copy_inout): Likewise.
141 (generate_element_copy): Likewise.
142 (generate_element_zero): Likewise.
143 (generate_element_init_1): Likewise.
144 (dump_sra_elt_name): Handle RANGE_EXPR.
146 2006-07-03 Roger Sayle <roger@eyesopen.com>
148 PR tree-optimization/26251
149 * tree-ssa-threadupdate.c (redirection_block_p): New function.
150 (thread_block): When optimizing for size refuse to thread jumps
151 that would require duplication of blocks other than redirection
154 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
156 * configure.ac: Fix thinko in previous check-in.
157 * configure: Regenerate.
159 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
162 * configure.ac (for lang...): Simplify nesting of conditionals.
163 Test subdir_requires for non-enabled languages. Move processing
164 of lang_opt_files and lang_tree_fiels below that test.
165 * configure: Regenerate.
166 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
168 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
170 * doc/gcov.texi (Invoking Gcov): Add a missing word.
172 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
174 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
177 2006-06-29 Jason Merrill <jason@redhat.com>
184 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
185 * c-common.c (c_determine_visibility): Handle it here.
186 * c-decl.c (finish_decl): Call c_determine_visibility for
188 * flags.h (enum symbol_visibility): Sort from most to least visibility.
190 * varasm.c (default_assemble_visibility): Likewise.
191 * c-common.c (handle_visibility_attribute): Complain about trying
192 to give visibility to an already defined class, or trying to change
193 declared visibility. Always attach the attribute.
198 * attribs.c (decl_attributes): Ignore type-in-place attributes
199 once the type has been defined.
201 2006-06-29 Roger Sayle <roger@eyesopen.com>
204 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
205 to indicate the cpplib has issued an error message for us.
207 2006-06-29 Asher Langton <langton2@llnl.gov>
210 * config/i386/i386.c (ix86_output_function_epilogue): Don't
211 insert a label at the end of an function under Mach-O.
213 2006-06-29 Eric Christopher <echristo@apple.com>
214 Evan Cheng <evan.cheng@apple.com>
216 * predicates.md (vector_all_ones_operand): New.
217 (nonimmediate_or_sse_const_operand): Ditto.
218 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
219 * config/i386/i386.c (standard_sse_constant_opcode): Define.
220 (standard_sse_mode_p): Ditto.
221 (standard_sse_constant_p): Add case for -1 vector.
222 (ix86_expand_vector_move): Try to use.
223 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
224 Call standard_sse_constant_opcode.
225 (*movv4sf_internal): Ditto.
226 (*movv2df_internal): Ditto.
228 2006-06-29 Roger Sayle <roger@eyesopen.com>
230 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
231 of XEXP to extract the operands of a MATCH_CODE rtx.
233 2006-06-28 Andrew Pinski <pinskia@gmail.com>
235 * tree.c (tree_size): Do not waste tail padding in
236 struct tree_string and make the size be the same as
237 build_string will generate.
239 2006-06-28 Jason Merrill <jason@redhat.com>
242 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
243 may_aliases already in the tag's annotations to the bitmap.
245 2006-06-28 Roger Sayle <roger@eyesopen.com>
247 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
249 2006-06-28 Roger Sayle <roger@eyesopen.com>
251 * genpreds.c (generate_switch_p): New function.
252 (add_mode_tests): Push the new mode test down inside an AND expr
253 if this allows the switch-suitable MATCH_CODE to be near the root.
254 (write_match_code_switch): New function to write a MATCH_CODE as
256 (write_predicate_stmts): New function to write a predicate RTX
257 expression as a sequence of statements.
258 (write_one_predicate_function): Use write_predicate_stmts.
259 (write_tm_constrs_h): Likewise.
261 2006-06-26 Fred Fish <fnf@specifix.com>
263 * config/mips/t-sb1: New file.
264 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
267 2006-06-26 DJ Delorie <dj@redhat.com>
269 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
271 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
272 Jayant Sonar <jayants@kpitcummins.com>
273 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
275 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
276 (subsi3, subsi3_1, subsi3_2): New.
277 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
278 * config/m32c/mov.md (SI mov peephole): New.
279 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
280 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
282 2006-06-26 Olivier Hainque <hainque@adacore.com>
284 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
285 a CALL_EXPR target function declaration.
287 2006-06-26 Richard Guenther <rguenther@suse.de>
289 * tree.c (build_string): Do not waste tail padding in
292 2006-06-26 Richard Guenther <rguenther@suse.de>
294 * ggc-page.c (init_ggc): Add missing element to size_lookup
298 2006-06-23 Richard Guenther <rguenther@suse.de>
300 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
301 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
302 alignment requests instead. Add verification code.
303 Add struct tree_function_decl and struct tree_binfo size to
304 extra_order_size_table. Add missing element to size_lookup
307 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
310 * fold-const.c (const_binop): Be prepared for self returning zero.
311 Simplify code handling complex values.
313 2006-06-24 Olivier Hainque <hainque@adacore.com>
315 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
316 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
319 2006-06-24 Olivier Hainque <hainque@adacore.com>
321 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
322 ARRAY_REF, so have the callback called for the low bound expression.
324 2006-06-23 Janis Johnson <janis187@us.ibm.com>
326 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
327 * c-typeck.c (c_common_type): Disallow operations on decimal float
328 types and other float types.
329 * convert.c (convert_to_real): Don't ignore conversions involving
332 2006-06-23 Olivier Hainque <hainque@adacore.com>
334 * tree.c (max_int_size_in_bytes): New function, inspired from
335 code in function.c:assign_temp.
336 * tree.h (max_int_size_in_bytes): Declare.
337 * function.c (assign_temp): Use it.
338 * gimplify.c (create_tmp_var): Relax the assertions on the type
339 properties, not mandating constant size any more.
340 (force_constant_size): New static function.
341 (gimple_add_tmp_var): Use it, forcing variable size to a
342 constant upper bound if it is not constant on entry.
344 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
347 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
348 for initialization and setting of one_only flag to ...
349 (i386_pe_encode_section_info): ...here.
350 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
351 Recheck that the symbol has not been defined.
353 2006-06-23 Richard Guenther <rguenther@suse.de>
355 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
356 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
357 alignment requests instead. Add verification code.
358 Add struct tree_function_decl and struct tree_binfo size to
359 extra_order_size_table. Add missing element to size_lookup
362 2006-06-22 Roger Sayle <roger@eyesopen.com>
363 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
366 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
367 call to lang_hooks.types.type_for_mode returned NULL_TREE.
369 2006-06-23 Ben Elliston <bje@au.ibm.com>
371 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
372 negate dn -- manipulate it directly.
374 2006-06-22 Roger Sayle <roger@eyesopen.com>
375 Steven Bosscher <stevenb.gcc@gmail.com>
378 * reload1.c (gen_reload): Call mark_jump_label on the new insns
379 generated by gen_move_insn to add REG_LABEL notes if necessary.
381 2006-06-22 Bob Wilson <bob.wilson@acm.org>
383 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
384 (leaf_entry): Remove use of MIN_ESA.
386 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
388 PR rtl-optimization/28121
389 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
392 2006-06-21 DJ Delorie <dj@redhat.com>
394 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
396 (mulhisi3_r): Likewise.
398 2006-06-21 Richard Sandiford <richard@codesourcery.com>
401 * coverage.c (coverage_counter_alloc): Leave the index type
403 (coverage_counter_alloc): Use null arguments for operands 2 and 3
406 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
408 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
409 section from the "Options for Code Generation Conventions".
411 2006-06-21 Richard Henderson <rth@redhat.com>
415 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
417 (global_symbolic_operand): Allow weak symbols, even if local_p.
419 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
421 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
422 (find_interesting_uses_address): Punt if above function returns true.
424 2006-06-21 Richard Guenther <rguenther@suse.de>
426 * configure: Regenerated.
428 2006-06-21 Joseph Myers <joseph@codesourcery.com>
430 * config/mips/mips.c (function_arg): Where one part of a
431 complex argument is in registers and the other part in the stack,
432 return a REG not a PARALLEL.
434 2006-06-21 Mark Mitchell <mark@codesourcery.com>
436 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
437 when cross-compiling. Do not substitute libstdcxx_incdir.
438 * configure: Regenerated.
440 2006-06-21 Jakub Jelinek <jakub@redhat.com>
442 * varasm.c (mergeable_string_section): Check for embedded NULs and
443 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
444 rather than TREE_STRING_LENGTH bytes.
446 2006-06-21 Richard Guenther <rguenther@suse.de>
448 * ggc-page.c (extra_order_size_table): Add var_ann_d,
449 tree_ssa_name, bitmap_element and phi_node with 4 arguments
452 2006-06-21 Richrad Guenther <rguenther@suse.de>
454 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
455 Limit iteration over the dominators.
457 2006-06-20 Roger Sayle <roger@eyesopen.com>
459 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
460 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
462 2006-06-20 Richard Guenther <rguenther@suse.de>
463 Michael Matz <matz@suse.de>
465 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
467 * alloc-pool.c (free_alloc_pool_if_empty): New function.
468 * et-forest.h (et_free_pools): Prototype new function.
469 * et-forest.c (et_free_tree_force): Free parent occurrence.
470 (et_free_pools): New function.
471 * dominance.c (free_dominance_info): Free et-forest alloc
474 2006-06-20 Roger Sayle <roger@eyesopen.com>
476 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
477 integer modes, attempt to directly construct an integer constant.
479 * fold-const.c (native_encode_vector): Determine the size of each
480 element from the vector type instead of the first vector element.
482 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
483 if all of its elements/components are constant.
484 (build_constructor_from_list): Likewise.
486 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
488 PR tree-optimization/27331
489 * tree-data-ref.c (free_data_ref): New function.
490 (create_data_ref): Fail if the data reference has unknown access
492 (free_data_refs): Use free_data_ref.
494 2006-06-19 Andrew Pinski <pinskia@gmail.com>
497 * tree-inline.c (setup_one_parameter): Strip useless
498 type conversion before adding it to the IR.
499 (declare_return_variable): Likewise.
501 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
504 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
506 2006-06-19 Mike Stump <mrs@apple.com>
508 * tree.c (variably_modified_type_p): VM arguments don't make the
511 2006-06-19 Richard Guenther <rguenther@suse.de>
513 * tree-ssa-pre.c (try_combine_conversion): Strip useless
514 type conversions after folding.
516 2006-06-19 Richard Guenther <rguenther@suse.de>
518 * ggc-page.c (extra_order_size_tab): Add entries with
519 size of struct function and basic_block.
520 (size_lookup): Extend to cover sizes up to 511.
521 (ggc_alloc_stat): Adjust user.
522 (ggc_pch_count_object): Likewise.
523 (ggc_pch_alloc_object): Likewise.
524 (ggc_pch_write_object): Likewise.
526 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
528 * tree-ssa-loop-niter.c (implies_ge_p): New function.
529 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
532 2006-06-19 Denis Chertykov <denisc@overta.ru>
534 * config/avr/libgcc.S : Correct my wrong previous commit.
536 2006-06-19 Roger Sayle <roger@eyesopen.com>
539 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
540 have stripped a SUBREG from the shift count, so we may need to
541 convert_to_mode back to the type's mode before calling make_tree.
542 Use new_amount instead of amount to avoid expanding a tree twice.
544 2006-06-19 Richard Guenther <rguenther@suse.de>
547 * fold-const.c (operand_equal_p): Check if the argument types
548 have the same precision before stripping NOPs.
550 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
552 Fix PR tree-optimization/27341
553 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
555 * tree-complex.c (pass_lower_complex): Update SMT usage.
557 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
559 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
560 Add a new alternative to the constraint strings. Add move of
561 operand 1 to 3 to the splitter definition.
562 ("doloop_si_long"): Second contraint alternative removed.
564 2006-06-08 Anatoly Sokolov <aesok@post.ru>
566 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
567 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
569 (AVR_HAVE_MOVW) Define.
570 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
571 (ASM_SPEC): Add avr25.
572 (LINK_SPEC): Add avr25.
573 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
574 (base_arch_s): Add new member 'have_movw_lpmx'.
575 (avr_arch_types): Init 'have_movw_lpmx'.
576 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
577 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
578 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
579 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
580 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
582 (avr_file_start): Do not output '.arh' derective.
583 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
584 (__do_copy_data): Use __AVR_HAVE_LPMX__.
585 * config/avr/avr.md (mcu_enhanced): Delete.
586 (mcu_have_movw): Define.
587 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
588 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
589 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
590 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
591 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
592 attiny861 and at86rf401 devices.
594 2006-06-18 Jie Zhang <jie.zhang@analog.com>
596 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
599 2006-06-17 Karl Berry <karl@gnu.org>
601 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
602 doc/gccint.texi, doc/install.texi (@dircategory): Use
603 "Software development" instead of "Programming", following
604 the Free Software Directory.
606 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
608 * config/i386/i386.c (legitimate_tls_address)
609 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
610 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
611 (*tls_dynamic_gnu2_combine_64): Likewise.
613 2006-06-16 Richard Guenther <rguenther@suse.de>
616 * fold-const.c (negate_expr_p): Do not introduce undefined
617 overflow in negating INTEGER_CSTs.
618 (fold_negate_expr): Rename from negate_expr. Revert last
619 change for folding BIT_NOT_EXPR. Change semantics to
620 return NULL_TREE for non-simplified negations. Do not
621 strip type conversions and unify type handling.
622 (negate_expr): New function, wrap around fold_negate_expr
623 but ensure building a tree always. Strip type conversions
624 here, fold to result type.
625 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
627 2006-06-16 Roger Sayle <roger@eyesopen.com>
630 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
631 that (would) return their results in stack registers.
633 2006-06-16 Michael Matz <matz@suse.de>
634 Richard Guenther <rguenther@suse.de>
636 * fold-const.c (fold_truthop): Only return new tree node if
637 we canonicalized something.
639 2006-06-16 Richard Guenther <rguenther@suse.de>
641 * function.h (enum function_frequency): Move declaration
642 out of struct function.
643 (struct function): Move bool fields and the enum to the bitfield
644 section. Reorder elements to avoid padding. Remove unused
645 fields left over from the RTL inliner removal.
646 * function.c (free_after_compilation): Do not zero removed fields.
647 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
648 (ipa-type-escape.o): Likewise.
650 2006-06-16 Richard Guenther <rguenther@suse.de>
652 * cgraph.h (struct cgraph_local_info): Turn bool elements
654 (struct cgraph_node): Likewise.
655 (struct cgraph_varpool_node): Likewise.
657 2006-06-15 Richard Guenther <rguenther@suse.de>
659 * fold-const.c (fold_truth_not_expr): Rename from
660 invert_truthvalue. Give it fold_* semantics to avoid
662 (invert_truthvalue): New function. Wrapper around
664 (optimize_minmax_comparison): Avoid creating garbage.
665 (fold_unary): Use fold_truth_not_expr for folding
667 (fold_ternary): Replace uses of invert_truthvalue with
668 fold_truth_not_expr where applicable.
669 * tree.h (fold_truth_not_expr): Prototype.
671 2006-06-16 Richard Guenther <rguenther@suse.de>
673 PR tree-optimization/27781
674 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
675 * ipa-pure-const.c (target.h): Include.
676 (analyze_function): Do not analyze functions that do not
679 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
682 * tree-dfa.c (referenced_vars_dup_list): Remove.
683 (find_referenced_vars): Remove assert.
684 (referenced_var_check_and_insert): Replace dup list with assert.
685 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
686 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
688 2006-06-15 Richard Guenther <rguenther@suse.de>
690 * tree-ssa-structalias.c (alias_get_name): Avoid creating
691 extra unused identifiers if not dumping.
692 (create_variable_info_for): Likewise.
694 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
696 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
697 (derive_constant_upper_bound): Derive more precise upper bound in
698 common cases. Return type changed to double_int.
699 (record_estimate): Reflect the changed return type of
700 derive_constant_upper_bound.
701 * double-int.c (double_int_zext, double_int_sext): Fix.
703 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
705 * configure.ac (CFLAGS): Get them from the toplevel or from the
706 configure invocation.
707 * configure: Regenerate.
708 * Makefile.in (CFLAGS): Substitute value provided by configure.
710 2006-06-14 Mark Mitchell <mark@codesourcery.com>
713 * c-common.h (c_finish_omp_atomic): Adjust declaration.
714 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
715 rather than calling add_stmt on it.
716 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
718 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
721 * reload1.c (reload): Remove registers returned by update_eliminables
722 from used_spill_regs.
724 2006-06-13 DJ Delorie <dj@redhat.com>
726 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
728 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
730 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
731 html__strip_dir, html__mkdir_p. Enhance install-html target.
732 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
733 * configure: Regenerate.
735 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
737 * fold-const.c (fold_cond_expr_with_comparison): Check for
738 Objective-C++ as language in deciding COND_EXPR transformation.
740 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
743 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
744 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
745 * config/sh/lib1funcs.h (SL, SL1): Define.
746 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
747 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
748 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
749 (OBJS_Os_4_200): New variable.
750 ($(T)libgcc-Os-4-200.a): Use it.
751 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
752 when dividing 1 and/or by 0.
754 2006-06-13 Roger Sayle <roger@eyesopen.com>
756 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
757 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
758 * configure: Regenerate.
760 2006-06-13 Jie Zhang <jie.zhang@analog.com>
762 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
763 for real instruction.
765 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
768 * haifa-sched.c (check_cfg): Handle special case.
770 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
773 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
774 Add debug_info parameter. Chain the vars to the BLOCK instead
775 of the BIND_EXPR if debug info are requested for them.
776 (pop_gimplify_context): Adjust for above change.
777 (gimple_add_tmp_var): Likewise.
778 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
780 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
781 (convert_local_reference): Likewise.
782 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
783 (finalize_nesting_tree_1): Request that debug info be emitted
786 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
788 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
791 2006-06-13 Richard Guenther <rguenther@suse.de>
794 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
796 2006-06-13 Richard Guenther <rguenther@suse.de>
798 PR tree-optimization/27830
799 * tree-inline.c (copy_body_r): For copying the operand
800 of an ADDR_EXPR make sure to fold &* afterwards.
802 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
804 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
805 lvalues in the fb_none case with side-effects.
807 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
809 * tree-flow.h: Remove the prototype for
810 compute_phi_arg_on_exit.
811 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
812 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
815 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
817 * builtins.c (expand_builtin_return_addr): Only use
818 frame_pointer_rtx when count == 0 and we are expanding
819 __builtin_return_address.
821 2006-06-12 Fred Fish <fnf@specifix.com>
823 * config/mips/mips.c (mips_file_start): Create special section
824 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
826 2006-06-11 Eric Christopher <echristo@apple.com>
829 * stor-layout.c (place_field): Remove check for
830 remaining_in_alignment when aligning at the end of a run.
832 2006-06-11 Eric Christopher <echristo@apple.com>
835 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
838 2006-06-11 Roger Sayle <roger@eyesopen.com>
841 Revert incorrect fix for PR target/27158
842 2006-05-08 Roger Sayle <roger@eyesopen.com>
843 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
844 of a reg_equiv_constant if the result is a legitimate constant.
846 2006-06-11 Roger Sayle <roger@eyesopen.com>
849 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
850 extract a CONST_VECTOR element and interpret it as an integer.
851 (vspltis_constant): Use const_vector_elt_as_int instead of the
852 macro CONST_VECTOR_ELT in order to handle FP vector modes.
853 * config/rs6000/predicates.md (easy_vector_const): Consider
854 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
856 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
859 * stor-layout.c (update_alignment_for_field): Don't add extra
860 alignment for packed non-bitfield fields in ms_bitfield_layout_p
863 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
865 * config/mips/t-rtems: Add EL/EB multilib variants.
867 2006-06-09 Mike Stump <mrs@apple.com>
869 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
871 2006-06-09 David Daney <ddaney@avtrex.com>
873 * doc/install.texi: Add binutils version recommendation for mips-*-*.
875 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
877 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
879 2006-06-09 Richard Guenther <rguenther@suse.de>
881 PR tree-optimization/26998
882 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
883 of signed types, only TYPE_MIN_VALUE is special, but for both,
884 minimum and maximum value. Likewise VR_ANTI_RANGE is special
885 in this case, as is -fwrapv.
887 2006-06-08 Mike Stump <mrs@apple.com>
890 * config/darwin.c (darwin_asm_output_anchor): Disable
891 -fsection-anchors on darwin for now.
892 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
893 * rs6000/rs6000.c (optimization_options): Likewise.
895 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
898 * config/i386/i386.c (classify_argument): Skip fields with invalid
901 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
903 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
904 (cse_insn): Likewise for the stack_pointer_rtx.
906 2006-06-08 Roger Sayle <roger@eyesopen.com>
908 * tree-ssa-dom.c (record_conditions): Only record "unordered"
909 conditions from floating point comparisons.
911 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
914 * expmed.c (struct alg_hash_entry): Fix type of field T
915 to match synth_mult argument.
916 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
918 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
921 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
924 2006-06-08 Richard Guenther <rguenther@suse.de>
927 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
928 only, if overflow is defined and not trapping.
929 (negate_expr): Likewise.
931 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
933 PR tree-optimization/27872
934 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
935 flag on the new exit edge of the unrolled loop.
937 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
939 PR rtl-optimization/26449
940 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
942 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
945 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
946 referenced_variables with matching DECL_UID's.
947 (find_referenced_vars): Make sure duplicate list is empty to start.
948 (referenced_var_p): Remove.
949 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
950 Check if var is in the list, and add if needed. Update the duplicate
951 list if a different var is in the list with the same DECL_UID.
952 (add_referenced_var): Call routine to check and insert.
953 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
954 * tree-flow.h (referenced_vars_dup_list): External declaration.
956 2006-06-07 Fred Fish <fnf@specifix.com>
958 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
961 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
964 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
965 the imaginary and real parts of a clobbered register.
966 Emit insn to set the imaginary part.
968 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
970 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
971 in lieu of unwind-dw2-fde.c.
973 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
975 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
977 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
980 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
981 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
982 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
983 V4SImode temporaries and operations instead.
985 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
987 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
990 2006-06-06 Mike Stump <mrs@apple.com>
992 * Makefile.in: Rename to htmldir to build_htmldir to avoid
993 installing during build.
995 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
997 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
999 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1000 * config/ia64/ia64.c (params.h): New header.
1001 (ia64_optimization_options): New function to adjust parameters.
1002 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1003 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1004 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1006 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1008 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1010 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1013 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1015 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1016 Victor Kaplansky <victork@il.ibm.com>
1018 PR tree-optimization/26360
1019 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1022 2006-06-04 Roger Sayle <roger@eyesopen.com>
1023 Andrew Pinski <pinskia@physics.uc.edu>
1026 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1027 for LABEL_DECL before calling DECL_WEAK.
1030 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1031 LABEL_DECL and PARM_DECL.
1033 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1037 * c-decl.c (grokdeclarator): Disallow variably modified types at
1038 file scope. Avoid marking shared array type of constant size as
1041 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1044 * c-common.c (fold_offsetof_1): Handle static members.
1046 2006-06-04 Eric Christopher <echristo@apple.com>
1048 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1049 (debug_rli): Output value for remaining_in_alignment.
1050 (update_alignment_for_field): Unconditionalize
1051 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1052 extra alignment code.
1053 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1054 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1055 * tree.h (record_layout_info_s): Remove prev_packed.
1056 * doc/extend.texi (ms_struct): Add documentation of format.
1058 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1060 * tree.h: Declare folding_initializer.
1061 * builtins.c (fold_builtin_constant_p): Give definite answer
1062 if folding inside an initializer.
1063 * fold-const.c: Define folding_initializer.
1064 (START_FOLD_INIT): Save and then set folding_initializer.
1065 (END_FOLD_INIT): Restore folding_initializer.
1067 2006-06-04 Richard Guenther <rguenther@suse.de>
1069 PR tree-optimization/27039
1070 * fold-const.c (fold_comparison): Handle pointer comparison
1071 again for all comparison codes. Compare offsets in signed
1073 (fold_binary): Move code from here.
1075 2006-06-03 Roger Sayle <roger@eyesopen.com>
1078 * config/i386/i386.c (construct_container): Split static issued_error
1079 flag into issued_sse_arg_error, issued_sse_ret_error and
1080 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1081 requires the use of x87 registers and the user explicitly
1082 specified the -mno-80387 command line option.
1084 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1086 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1087 HAVE_DECL_SIGALTSTACK.
1089 (segv_handler): Use MC_FLD.
1090 * configure.ac: Check for a sigaltstack declaration.
1091 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1092 * configure: Regenerate.
1093 * config.in: Regenerate.
1095 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1098 * Makefile.in (stmp-fixinc): Fix typo.
1100 2006-06-02 Roger Sayle <roger@eyesopen.com>
1102 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1103 are type correct. Clean-up.
1104 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1105 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1107 2006-06-01 DJ Delorie <dj@redhat.com>
1109 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1110 shift, as we've disabled the "switch" insn that needs it.
1112 2006-06-01 Per Bothner <bothner@bothner.com>
1114 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1115 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1116 * c-ppoutput.c (cb_define): Don't increment line 0.
1118 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1120 * doc/invoke.texi: Add cpu_type power6.
1121 * config.gcc: Add cpu_type power6.
1122 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1123 to power5+ with Altivec.
1124 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1125 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1127 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1129 * config/avr/avr.h (SET_ASM_OP): Define.
1131 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1133 * config/bfin/bfin.c: Fix comment typos.
1135 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1138 * doc/install.texi: Document --enable-bootstrap and
1139 --disable-bootstrap.
1141 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1143 * doc/install.texi: Document that InfoZIP can replace jar.
1145 2006-05-31 Roger Sayle <roger@eyesopen.com>
1147 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1148 isn't available, directly generate the simpler x87 patterns without
1149 the (use (const_int 0)).
1150 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1151 implementation isn't available.
1152 (*negdf2_1): Likewise.
1153 (*negxf2_1): XF mode negation is always done using the x87.
1154 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1156 2006-05-31 Roger Sayle <roger@eyesopen.com>
1158 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1159 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1161 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1163 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1165 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1166 * config/bfin/bfin.c (basic-block.h): Include.
1167 (struct machine_function): New.
1168 (bfin_init_machine_status): New.
1169 (override_options): Initialize init_machine_status.
1170 (bfin_hardware_loop): New.
1171 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1172 (DEF_VEC_P (loop_info)): New.
1173 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1174 (struct loop_info): New.
1175 (loop_info): New typedef.
1176 (struct loop_work): New.
1177 (loop_work): New typedef.
1178 (DEF_VEC_O (loop_work)): New.
1179 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1180 (bfin_dump_loops): New.
1181 (bfin_bb_in_loop): New.
1182 (bfin_scan_loop): New.
1183 (bfin_optimize_loop): New.
1184 (bfin_reorg_loops): New.
1185 (bfin_reorg): Use bfin_reorg_loops.
1186 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1188 (I_REGNO_P): Simplify.
1189 (DP_REGNO_P, DPREG_P): New macros.
1190 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1191 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1192 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1193 Add LT_REGS, LC_REGS, LB_REGS.
1194 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1196 (REGNO_REG_CLASS): Deal with loop registers.
1197 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1199 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1200 New constants for loop registers.
1201 (UNSPEC_LSETUP_END): New.
1202 (seq_insns): New define_attr. Set it for appropriate insns.
1203 (movsi_insn): Add alternatives for move from/to
1204 loop count registers.
1205 (doloop_end): New define_expand.
1206 (loop_end): New define_insn.
1207 (define_split for bad doloop_end): New.
1208 (lsetup_with_autoinit): New define_insn.
1209 (lsetup_without_autoinit): New define_insn.
1210 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1211 * config/bfin/predicates.md (lc_register_operand): New.
1212 (lt_register_operand): New.
1213 (lb_register_operand): New.
1214 (nondp_register_operand): New.
1215 (nondp_reg_or_memory_operand): New.
1216 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1218 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1220 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1221 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1223 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1225 * Makefile.in (CATALOGS): Add po/ prefix.
1226 * configure: Regenerated.
1228 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1231 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1232 a shift operand before calling shift_op. Avoid redundant call of
1235 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1236 DJ Delorie <dj@redhat.com>
1238 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1239 we're inserting is a singlt-bit constant.
1241 2006-05-30 Roger Sayle <roger@eyesopen.com>
1243 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1244 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1246 2006-05-30 Roger Sayle <roger@eyesopen.com>
1248 PR tree-optimization/23452
1249 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1250 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1251 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1252 complex values and with -ffast-math for FP complex values.
1254 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1256 * c-common.h: Remove the prototype for yyparse.
1257 * rtl.h: Remove the prototype for init_loop.
1259 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1261 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1264 2006-05-30 Roger Sayle <roger@eyesopen.com>
1266 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1268 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1269 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1271 2006-05-30 Dirk Mueller <dmueller@suse.de>
1274 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1275 for CONSTANT_CLASS_P expresisons.
1277 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1280 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1282 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1284 PR tree-optimization/27779
1285 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1286 initial_condition instead of CHREC_LEFT.
1288 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1290 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1291 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1292 Make prototypes ISO C90.
1294 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1295 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1297 * see.c (see_analyze_one_def): Correct check.
1298 (see_get_extension_data): Check if extension is parallel.
1299 (see_get_extension_reg): Likewise.
1301 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1304 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1305 into register for (code == GTU).
1307 2006-05-29 Roger Sayle <roger@eyesopen.com>
1309 PR tree-optimization/24964
1310 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1311 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1312 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1313 abs(x)*abs(x) as x*x for scalar floating point modes.
1315 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1318 * lambda-code.c (perfect_nestify): Don't copy statements
1319 in the inner loop: move them to the inner loop header.
1321 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1324 * c-tree.texi: Document OpenMP directives and clauses.
1326 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1328 * varasm.c (globalize_decl): Fix indentation.
1330 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1333 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1334 pass_fre, pass_store_ccp, pass_copy_prop,
1335 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1336 pass_return_slot, pass_object_size, pass_lim,
1337 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1338 pass_loop_prefetch and pass_stdarg.
1340 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1342 * config/bfin/bfin.opt (mfdpic): New option.
1343 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1344 (EXTRA_MULTILIB_PARTS): Likewise.
1345 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1346 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1348 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1349 (CRT_CALL_STATIC_FUNCTION): New.
1350 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1352 (CRT_CALL_STATIC_FUNCTION): New.
1353 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1355 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1356 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1357 (initialize_trampoline): Changed to handle FD-PIC code generation.
1358 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1359 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1360 (override_options): Disallow -mid-shared-library -mfdpic combination.
1361 Can't do unaligned ops if FD-PIC.
1362 Turn off flag_pic if trying to generate non-id-shared-library
1363 non-fdpic code, since it's not supported.
1364 (bfin_assemble_integer): New function.
1365 (TARGET_ASM_INTEGER): Define.
1366 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1368 * config/bfin/crtn.s: Restore them.
1369 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1371 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1372 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1373 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1374 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1375 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1377 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1378 FDPIC_REGS and FDPIC_FPTR_REGS.
1379 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1380 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1381 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1382 (load_funcdescsi): New pattern.
1383 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1384 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1385 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1387 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1389 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1392 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1394 * tree-flow.h: Remove the prototype for add_type_alias.
1395 * tree-ssa-alias.c (add_type_alias): Remove.
1397 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1399 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1400 config/fr30/fr30.md, config/i386/i386-interix.h,
1401 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1402 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1403 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1404 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1405 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1406 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1407 Follow spelling conventions.
1408 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1409 Follow spelling conventions.
1411 2006-05-27 Richard Guenther <rguenther@suse.de>
1414 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1415 to produce a constant of value 1 of generic type.
1417 2006-05-27 Dirk Mueller <dmueller@suse.de>
1419 * cgraphunit.c (decide_is_function_needed): Fix wrong
1422 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1424 PR rtl-optimization/27661
1425 * reload.c (find_reloads): When reloading a VOIDmode constant
1426 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1427 use Pmode as mode of the reload register.
1429 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1431 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1432 is enabled at -O and above.
1434 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1437 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1440 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1443 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1444 for anonymous variables explicitly declared by front ends.
1446 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1448 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1449 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1450 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1451 ref-all pointers, run a finalization pass for them.
1452 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1453 (finalize_ref_all_pointers): New function.
1454 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1455 regular pointer type to a ref-all pointer type.
1456 (get_tmt_for): Return the special memory tag for ref-all pointers.
1458 2006-05-25 Richard Guenther <rguenther@suse.de>
1461 * fold-const.c (fold_binary): Do not look at the stripped
1462 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1464 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1466 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1467 for LT and GT if the computed range is effectively empty.
1469 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1472 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1473 mips_quad_format formats instead of ieee_single_format,
1474 ieee_double_format and ieee_quad_format formats, respectively.
1476 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1478 PR tree-optimization/27639
1479 PR tree-optimization/26719
1480 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1481 call to scev_probably_wraps_p.
1482 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1483 used_in_pointer_arithmetic_p, convert_step): Removed.
1484 (nowrap_type_p): New function.
1485 (scev_probably_wraps_p): Rewritten.
1486 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1487 chrec_convert if chrec_convert_aggressive might have been used.
1488 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1489 scev_direction): New functions.
1490 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1491 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1492 instead of convert_step.
1493 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1494 (convert_step): Declaration removed.
1495 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1497 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1499 * df-core.c: Added to header comments.
1500 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1501 df_ur_bb_info, df_urec_bb_info): Added comments.
1502 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1503 urec, ri problems): Fixed header comments.
1504 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1505 code from df_rd_transfer_function.
1507 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1509 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1510 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1511 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1513 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1515 * expr.c (undefined_operand_subword_p): New.
1516 (emit_move_multi_word): Do not generate move from undefined bits
1517 of a paradoxical subreg.
1519 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1521 PR rtl-optimization/27736
1522 * combine.c (replaced_rhs_value): New variable.
1523 (combine_instructions): Set it.
1524 (distribute_notes): When distributing a note in replaced_rhs_insn,
1525 check whether the value was used in replaced_rhs_value.
1527 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1530 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1531 add_referenced_var instead of add_referenced_tmp_var.
1532 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1533 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1535 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1536 tree_optimize_tail_calls_1): Use add_referenced_var.
1537 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1538 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1539 Use add_referenced_var.
1540 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1541 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1542 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1543 Use add_referenced_var.
1544 * tree-dfa.c (struct walk_state): Remove.
1545 (find_referenced_vars): Remove walk state and vars_found hash table.
1546 (make_rename_temp): Use add_referenced_var.
1547 (find_vars_r): Pass less parameters to add_referenced_var.
1548 (referenced_var_p): New. Is var in referenced_var hash table.
1549 (referenced_var_insert): Assert var isn't already in hash table.
1550 (add_referenced_var): Don't need walk_state parameter. Add var if it
1551 isn't already in the hash table.
1552 (add_referenced_tmp_var): Remove.
1553 (find_new_referenced_vars_1): Use add_referenced_var.
1554 * tree-ssa-pre.c (create_expression_by_pieces,
1555 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1556 Use add_referenced_var.
1557 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1558 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1559 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1561 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1562 vect_create_data_ref_ptr, vect_create_destination_var,
1563 vect_init_vector, vect_build_loop_niters,
1564 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1565 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1566 Use add_referenced_var.
1567 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1568 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1569 (add_referenced_var): Add prototype.
1570 * tree-ssa-structalias.c (get_constraint_for,
1571 intra_create_variable_infos): Use add_referenced_var.
1573 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1575 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1576 big-endian paradoxical subregs.
1577 * var-tracking.c (struct micro_operation_def): Document that,
1578 for modify micro operations, insn is the subsequent instruction.
1579 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1580 (var_reg_set, var_mem_set): ... new functions.
1581 (add_stores): Record subsequent insn.
1582 (compute_bb_dataflow): Use new functions for MO_USE.
1583 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1584 notes after the insn, and modify notes before the insn known
1585 to be the subsequent one.
1586 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1588 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1591 * config/i386/i386.c (ix86_expand_builtin): Use
1592 gen_sse3_monitor64 for TARGET_64BIT.
1594 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1596 PR rtl-optimization/26375
1597 PR rtl-optimization/26855
1598 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1600 (df_ru_bb_local_compute): Reversed statements and removed bogus
1601 comment explaining why they should be in wrong order.
1602 (df_ru_dump, df_rd_dump): Enhanced debug info.
1603 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1605 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1606 reaching uses and fixed space problem.
1608 2006-05-23 Jan Hubicka <jh@suse.cz>
1610 * cgraphunit.c (decide_is_function_needed): Also nested functions
1611 and functions declared inline can be optimized out at -O0.
1613 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1615 * doc/install.texi (Configuration): Remove reference to CrossGCC
1619 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1622 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1623 ix86_compare_emitted is non-NULL.
1625 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1628 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1631 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1633 PR rtl-optimization/25514
1634 * combine.c (replaced_rhs_insn): New variable.
1635 (combine_instructions): Set replaced_rhs_insn when trying to replace
1636 a SET_SRC with a REG_EQUAL note.
1637 (distribute_notes): Use replaced_rhs_insn when determining the live
1638 range of a REG_DEAD register.
1640 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1641 Anatoly Sokolov <aesok@post.ru>
1643 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1644 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1645 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1646 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1647 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1648 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1649 at90usb647, at90usb1286 and at90usb1287 devices.
1650 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1651 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1653 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1655 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1657 2006-05-22 Richard Guenther <rguenther@suse.de>
1660 2006-01-31 Richard Guenther <rguenther@suse.de>
1661 Paolo Bonzini <bonzini@gnu.org>
1663 * doc/install.texi (--disable-libgcc-math): Document.
1665 2006-05-22 Richard Guenther <rguenther@suse.de>
1668 2006-01-31 Richard Guenther <rguenther@suse.de>
1670 * doc/invoke.texi (-msselibm): Document.
1671 * target.h (expand_library_builtin): New target hook.
1672 * builtins.c (expand_builtin): Use expand_library_builtin.
1673 (default_expand_library_builtin): New function.
1674 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1675 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1676 (link_gcc_math_spec): Declare.
1677 (static_specs): Add link_gcc_math_spec.
1678 * expr.h (default_expand_library_builtin): Declare.
1679 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1680 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1681 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1682 * config/i386/i386.opt (msselibm): New target option.
1683 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1684 (ix86_init_sse_abi_builtins): New function.
1685 (ix86_expand_library_builtin): Likewise.
1686 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1687 (override_options): Handle error conditions wrt -msselibm.
1688 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1689 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1690 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1693 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1696 * c-common.c (self_promoting_args_p): Skip erroneous args.
1699 * c-decl.c (finish_struct): Skip erroneous fields.
1701 2006-05-22 Nick Clifton <nickc@redhat.com>
1703 * config/cris/cris.opt (march): Remove VarExists attribute.
1704 (max-stackframe=): Likewise.
1706 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1708 * doc/rtl.texi: Fix a typo.
1709 * see.c: Fix comment typos.
1711 * tree-ssa-structalias.h (alias_info): Remove num_references.
1713 2006-05-21 Mike Stump <mrs@apple.com>
1715 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1717 (darwin_pragma_options): Use BAD instead.
1718 (darwin_pragma_unused): Likewise.
1719 (darwin_pragma_ms_struct): Likewise.
1721 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1723 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1725 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1727 PR rtl-optimization/27671
1728 * simplify-rtx.c (simplify_relational_operation_1): Fix
1729 simplifications of (eq/ne (xor x y) y) and
1730 (eq/ne (xor x y) x).
1732 PR tree-optimization/26622.
1733 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1736 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1738 * tree-cfg.c: Prune whitespace.
1739 (debug_tree_cfg): Point to correct header containing the
1742 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1745 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1747 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1750 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1751 or sorry count is non zero.
1753 2006-05-20 Andreas Schwab <schwab@suse.de>
1755 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1757 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1758 Kenneth Zadeck <zadeck@naturalbridge.com>
1760 PR rtl-optimization/26855
1762 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1764 (df_scan_alloc): Added code to properly handle multiword hard
1765 registers and add all_blocks parameter.
1766 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1767 code to properly handle multiword hard registers.
1768 (df_rescan_blocks): Added code to remove deleted blocks from
1770 (df_ref_create_structure, df_ref_record): Added code to properly
1772 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1773 and set DF_REF_PARTIAL.
1774 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1775 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1776 (df_scan_add_problem): Added flags parameter.
1777 (df_ref_create_structure): Changed switching structure.
1778 (df_bb_refs_record): Fixed case where duplicate artificial refs
1779 were created. Changed location of flags.
1780 (df_record_entry_block_defs): Added code to make stack pointer
1781 live in entry block. Refined cases where frame pointer is needed.
1782 Changed location of flags.
1783 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1784 (df_set_state): Removed function.
1785 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1786 df_insn_create_insn_record, df_insn_refs_delete,
1787 df_ref_create_structure): Formatting changes.
1788 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1789 df_delete_basic_block): New function.
1790 (df_init): Changed location of flags.
1791 (df_add_problem): Added flags parameter and the way flags are
1793 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1794 debug_df_chain): Improved debugging output.
1795 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1796 (df_refs_chain_dump): Removed df parameter.
1797 (df_iterative_dataflow): Added consistency check.
1798 (df_prune_to_subcfg): Made public.
1799 (df_analyze_problem): Added blocks_to_init parameter and made
1801 (df_ref_record, df_bb_refs_record, df_mark_reg,
1802 df_record_exit_block_uses): Whitespace changes.
1803 (df_dump): Whitespace changes.
1804 * df.h: Some reordering to remove forward references.
1805 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1806 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1807 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1808 (dataflow.flags): New field.
1809 (df.flag): Deleted field.
1810 (df_alloc_function): Added additional bitmap parameter.
1811 (df_dependent_problem_function): New type.
1812 (df_problem.changeable_flags): New field.
1813 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1814 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1815 (df_mw_hardreg): New struct.
1816 (DF_INSN_UID_MWS): New macro.
1817 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1819 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1820 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1821 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1822 (df_set_state): Removed function.
1823 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1824 * df-problems.c (df_chain_dump): Removed df parameter.
1825 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1826 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1828 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1829 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1830 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1831 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1832 DF_REF_MUST_CLOBBER cases.
1833 (df_ru_bb_local_compute_process_def,
1834 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1835 df_lr_bb_local_compute, df_ur_bb_local_compute,
1836 df_chain_create_bb): Made subreg aware.
1837 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1838 df_lr_bb_local_compute, df_lr_bb_local_compute,
1839 df_chain_create_bb): Cleanup to use proper macros.
1840 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1841 code to fixup bitvectors.
1842 (df_ri_alloc): Cleared lifetime.
1843 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1844 df_create_unused_note): New function.
1845 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1846 REG_DEAD and REG_UNUSED notes as well as register information.
1847 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1848 df_chains_dump): Fixed crash if problem was never run.
1849 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1850 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1851 df_ri_add_problem): Processes flags in uniform manner.
1852 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1853 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1854 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1855 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1856 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1857 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1858 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1859 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1860 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1861 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1862 * see.c (see_initialize_data): Ditto.
1863 * final.c (rest_of_clean_state) Added regstack_completed.
1864 * rtl.h (regstack_completed): Ditto.
1865 * reg-stack.c (regstack_completed): Ditto.
1867 2006-05-19 Mike Stump <mrs@apple.com>
1869 * c-tree.h (default_conversion): Remove.
1870 * c-common.h (default_conversion): Add.
1872 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1874 * tree-vrp.c (valid_value_p): New function.
1875 (adjust_range_with_scev): Fail if the value of bound is not
1878 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1880 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1881 (mips_fallback_frame_state): Use syscall numbers to determine
1882 the appropriate li instruction for the current ABI. Only use
1883 __NR_sigreturn for o32.
1885 2006-05-19 Nicolas Setton <setton@adacore.com>
1887 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1888 * langhooks.c (lhd_dwarf_name): New function.
1889 * langhooks-def.h (lhd_dwarf_name): Declare.
1890 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1891 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1892 * ada/misc.c (gnat_dwarf_name): New function.
1893 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1895 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1897 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1899 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1900 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1901 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1902 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1903 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1904 determine the size of Wtype, etc.
1905 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1906 (swfloatfuncs): New variable.
1907 (dwfloatfuncs): Likewise.
1908 (lib2funcs): Remove floating-point conversion functions from
1909 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1910 the set of conversion routines needed. Allow entries to specify
1911 an object name, filename and word size. Update users accordingly.
1912 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1913 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1917 2006-02-08 Roger Sayle <roger@eyesopen.com>
1920 * config/fixtfdi.c: New libgcc source file.
1921 * config/fixunstfdi.c: New source file.
1922 * config/floatditf.c: New source file.
1923 * config/floatunditf.c: New souce file.
1924 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1925 files above instead of config/mips/_tilib.c.
1926 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1928 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1930 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1931 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1933 2006-05-18 Mike Stump <mrs@apple.com>
1935 Fix up vla, vm and [*] sematics.
1941 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1942 (c_vla_unspec_p): Add.
1943 (c_vla_type_p): Add.
1944 * c-decl.c (struct c_scope): Add had_vla_unspec.
1945 (build_array_declarator): Add support for [*].
1946 (grokdeclarator): Likewise.
1947 (grokparms): Likewise.
1948 (get_parm_info): Likewise.
1949 * c-objc-common.c (c_vla_unspec_p): Likewise.
1950 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1951 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1952 typeof when argument is a variably modified type not inside sizeof or alignof.
1953 (c_parser_direct_declarator_inner): Propagate errors.
1954 (c_parser_sizeof_expression): Add support for [*].
1955 (c_parser_parms_declarator): Initialize had_vla_unspec.
1956 (c_parser_parms_list_declarator): Likewise.
1957 * c-typeck.c (c_vla_type_p): Add.
1958 (composite_type): Add support for vla compositing.
1959 (comptypes_internal): Add support for vla compatibility.
1960 (c_expr_sizeof_expr): Evaluate vla arguments.
1961 * tree.c (variably_modified_type_p): Update comment for [*].
1963 2006-05-18 Michael Matz <matz@suse.de>
1966 * config.host: Make assignments to host_xmake_file cumulative.
1967 * config.host (*-darwin*): Test $host, not $target.
1969 2006-05-12 Stuart Hastings <stuart@apple.com>
1971 * config/i386/i386.opt (-mstackrealign): New flag.
1972 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1973 (ix86_handle_cconv_attribute): Emit error when
1974 force_align_arg_pointer attribute collides with too many regparms.
1975 (ix86_function_regparm): Limit regparms when used with
1976 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1977 Support stack-realigning prologue in non-main functions. Emit
1978 warning for nested functions under -mstackrealign, emit error for
1979 nested functions with force_align_arg_pointer attribute.
1980 * doc/extend.texi (force_align_arg_pointer): Document it.
1981 * doc/invoke.texi (-mstackrealign): Document it.
1983 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1985 PR rtl-optimization/27477
1986 * combine.c (try_combine): Don't split a parallel consisting
1987 of two sets into two individual sets if both sets reference
1990 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1992 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1993 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1995 * doc/options.texi (VarExists): Updated.
1997 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1999 * unwind-dw2.c: Add declarations for uw_update_context and
2001 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2002 detected, advance frame state and context once to skip over stub.
2004 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2008 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2009 Call rewrite_into_loop_closed_ssa only when something changed.
2010 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2011 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2012 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2013 Test for perfect_nest_p here. Fix formating.
2014 (replace_uses_equiv_to_x_with_y): Fix formating.
2015 (stmt_uses_op): Removed.
2016 (can_convert_to_perfect_nest): Removed loopivs parameter.
2017 Complete the test by checking the scalar dependences.
2018 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2021 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2024 From Dan Kegel <dank@kegel.com>:
2025 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2027 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2029 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2030 if the element type is variably modified without recursing.
2032 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2035 * tree-loop-linear.c (try_interchange_loops): Test for
2036 no data dependences.
2038 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2040 PR tree-optimization/27548
2041 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2042 range of ssa names that appear on abnormal edges.
2043 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2044 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2046 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2049 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2051 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2054 * tree.h (OMP_PARALLEL_COMBINED): Define.
2055 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2056 (new_omp_context): Add is_combined_parallel argument.
2057 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2058 new_omp_context caller.
2059 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2060 Adjust gimplify_scan_omp_clauses callers.
2061 (omp_is_private): Issue errors if iteration variable is firstprivate
2062 or reduction in the current context.
2063 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2064 on combined parallel workshare constructs.
2066 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2068 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2069 (gcc-options.o): New rule.
2071 * optc-gen.awk: Protect variables for gcc-options.o with
2072 #ifdef GCC_DRIVER/#endif.
2074 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2076 Fix PR tree-optimization/27373
2077 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2078 (forward_propagate_addr_expr): Update call.
2080 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2082 * doc/options.texi: Move the Negative option.
2084 2006-05-16 Richard Guenther <rguenther@suse.de>
2086 PR tree-optimization/22303
2087 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2089 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2090 ccp_fold did not simplify the statement.
2092 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2095 * Makefile.in (GCC_OBJS): New.
2096 (OBJS-common): Add opts-common.o.
2097 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2098 (cpp$(exeext)): Likewise.
2099 (gcc.o): Also depend on opts.h.
2100 (opts-common.o): New.
2102 * common.opt (gcoff): Add Negative(gdwarf-2).
2103 (gdwarf-2): Add Negative(gstabs).
2104 (gstabs): Add Negative(gstabs+).
2105 (gstabs+): Add Negative(gvms).
2106 (gvms): Add Negative(gxcoff).
2107 (gxcoff): Add Negative(gxcoff+).
2108 (gxcoff+): Add Negative(gcoff).
2109 * config/i386/i386.opt (m32): Add Negative(m64).
2110 (m64): Add Negative(m32).
2112 * doc/options.texi: Document the Negative option.
2114 * gcc.c: Include "opts.h".
2115 (main): Call prune_options after expandargv.
2117 * optc-gen.awk: Generate common declarations for all flag
2118 variables in options.c. Output the neg_index field.
2120 * opts.c (find_opt): Moved to ...
2121 * opts-common.c: Here. New file.
2123 * opts.h (cl_option): Add a neg_index field.
2125 (prune_options): Likewise.
2127 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2130 * omp-low.c (expand_omp_parallel): Don't assert
2131 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2132 instead search for it.
2135 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2138 2006-05-16 Andreas Schwab <schwab@suse.de>
2140 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2143 2006-05-15 Roger Sayle <roger@eyesopen.com>
2146 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2147 integer constants other than zero are only legitimate on TARGET_64BIT.
2148 <CONST_VECTOR> Only zero vectors are legitimate.
2149 (ix86_cannot_force_const_mem): Integral and vector constants can
2150 always be put in the constant pool.
2152 2006-05-16 DJ Delorie <dj@redhat.com>
2154 * crtstuff.c (__dso_handle): Set section from
2155 TARGET_LBIGCC_SDATA_SECTION if defined.
2156 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2157 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2159 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2162 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2165 2006-05-16 Ben Elliston <bje@au.ibm.com>
2167 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2169 2006-05-15 Per Bothner <per@bothner.com>
2171 * tree.c: (last_annotated_node): Use source_locus typedef.
2172 This permits bootstrapping with --enable-mapped-location.
2174 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2176 PR tree-optimization/26830
2177 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2178 (info_for_ssa_name, current_info_for_ssa_name_age,
2179 blocks_to_update): New variables.
2180 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2181 (clear_ssa_name_info, initialize_flags_in_bb,
2182 mark_block_for_update): New functions.
2183 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2184 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2185 prepare_def_site_for): Use mark_block_for_update.
2186 (mark_def_interesting): Assert that the processed block is marked in
2187 blocks_to_update. Do not take blocks argument.
2188 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2190 (rewrite_update_init_block, rewrite_update_stmt): Only process
2191 blocks with statements to rewrite.
2192 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2193 (update_ssa): Initialize and free blocks_to_update. Do not
2194 clear flags on statements. Do not use blocks bitmap.
2195 * tree.h (SSA_NAME_AUX): Removed.
2196 (struct tree_ssa_name): Removed aux field.
2197 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2199 2006-05-15 Richard Guenther <rguenther@suse.de>
2201 PR tree-optimization/27603
2202 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2203 Do computations in original type.
2205 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2207 * see.c: Code style changes such as redundant paranthesis,
2208 redundant intialization of local variables etc.
2209 (see_main): Declared now as static.
2210 * doc/invoke.texi: Update that -fsee is not enabled by
2213 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2215 * omp-low.c (check_omp_nesting_restrictions): New function.
2216 (scan_omp_1): Call it.
2219 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2220 construct, return *VAR.
2222 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2224 PR rtl-optimization/27406
2225 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2228 2006-05-14 Roger Sayle <roger@eyesopen.com>
2230 PR rtl-optimization/27538
2231 * combine.c (expand_compound_operation): Call gen_lowpart
2232 before calling simplify_shift_const.
2234 2006-05-14 Roger Sayle <roger@eyesopen.com>
2236 PR rtl-optimization/22563
2237 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2238 a fixed width bitfield, always force the intermediates into psuedos.
2240 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2243 * mkconfig.sh: Use operator = instead of == for test.
2245 2006-05-13 Nick Clifton <nickc@redhat.com>
2247 * dwarf2out.c (dbx_reg_number): Check return value from
2248 LEAF_REG_REMAP and only use it if it is valid.
2249 (multiple_reg_loc_descriptor): Likewise.
2251 2006-05-13 Richard Guenther <rguenther@suse.de>
2253 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2256 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2258 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2259 information attached to non-INSNs such as NOTEs.
2260 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2262 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2264 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2266 * config/s390/s390.md: Adjust comment describing On constraint.
2268 2006-05-11 Jan Hubicka <jh@suse.cz>
2270 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2271 to be output at -O0.
2273 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2276 * fold-const.c (size_binop): Move sanity check for arguments to
2277 the beginning of the function.
2280 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2283 2006-05-11 Richard Guenther <rguenther@suse.de>
2286 * fold-const.c (fold_unary): Handle intermediate conversion
2287 to a pointer type like intermediate conversion to an integer
2288 type in folding of (T1)(T2)var to var.
2289 Match the code to the comment in the final conversion for
2290 (T1)(T2)var to (T1)var regarding to type precision. Rather
2291 than disallow T1 being of pointer type, assert that both T1
2292 and var are of pointer type or not. Make sure not to fall
2293 over the frontends lazyness wrt array to pointer decay though.
2295 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2297 * arm.c (arm_struct_value_rtx): Delete.
2298 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2299 (arm_init_cumulative_args): Always initialize nregs to zero.
2301 2006-05-10 Richard Guenther <rguenther@suse.de>
2303 PR tree-optimization/27532
2304 * tree-object-size.c (plus_expr_object_size): Fix typo.
2306 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2309 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2310 ashrdi_const, ashrdi3): Use a scratch register.
2312 2006-05-10 Richard Guenther <rguenther@suse.de>
2314 PR tree-optimization/27302
2315 * fold-const.c (operand_equal_p): For two comparisons,
2316 try comparison of one comparison code swapped if that yields
2319 2006-05-10 Ben Elliston <bje@au.ibm.com>
2321 * tree-pretty-print.c (pretty_print_string): No need to handle
2322 '\0' as a special character.
2324 * tree.h: Include "hashtab.h".
2325 (iterative_hash_expr): Use hashval_t in its prototype.
2326 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2328 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2331 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2332 (hppa*64*-*-hpux11*): Ditto.
2333 (hppa[12]*-*-hpux11*): Ditto.
2335 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2338 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2340 2006-05-09 Michael Matz <matz@suse.de>
2342 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2343 host_extra_gcc_objs and host_xmake_file.
2344 (<*-*-linux*>): Don't overwrite host_xmake_file.
2345 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2346 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2347 (host_detect_local_cpu): Declare.
2348 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2349 * config/i386/i386.c (override_options): Handle -mtune=native
2351 * config/i386/x-i386: New file.
2352 * config/i386/driver-i386.c: New file.
2353 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2356 2006-05-09 Dirk Mueller <dmueller@suse.de>
2357 Richard Guenther <rguenther@suse.de>
2360 * fold-const.c (fold_read_from_constant_string): Relax check
2361 for matching types to matching modes.
2363 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2365 PR rtl-optimization/27335
2366 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2369 2006-05-08 Chao-ying Fu <fu@mips.com>
2370 Richard Sandiford <richard@codesourcery.com>
2372 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2373 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2374 * config/mips/mips.md (UNSPEC_SCC): New constant.
2375 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2376 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2377 (mips_emit_compare): Use it.
2378 (mips_expand_vcondv2sf): New function.
2380 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2382 Fix PR tree-optimization/27093
2383 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2384 renaming when they become not-used_alone.
2386 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2388 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2389 relocation and relocation stubs.
2391 2006-05-08 Eric Christopher <echristo@apple.com>
2393 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2396 2006-05-08 Jan Hubicka <jh@suse.cz>
2399 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2400 unused static functions are needed.
2402 2006-05-08 Roger Sayle <roger@eyesopen.com>
2405 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2406 of a reg_equiv_constant if the result is a legitimate constant.
2408 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2411 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2412 standard 80387 constants, raise the cost to prevent
2413 compress_float_constant() to generate load from memory.
2415 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2417 * config/arm/constraints.md (c): Fix a typo.
2419 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2422 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2425 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2427 (_mm_mwait): Likewise.
2429 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2431 (sse3_monitor): Make it 32bit only.
2432 (sse3_monitor64): New. 64bit monitor.
2434 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2437 * config/i386/i386.c (classify_argument): Skip fields with invalid
2440 2006-05-07 Richard Guenther <rguenther@suse.de>
2442 PR tree-optimization/27409
2443 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2444 Do not try to find zero-sized subvars.
2446 2006-05-07 Richard Guenther <rguenther@suse.de>
2448 PR tree-optimization/27136
2449 * tree-ssa-loop-niter.c (get_val_for): Correct function
2450 comment, assert requirements.
2451 (loop_niter_by_eval): Stop processing if the iterated
2452 value did not simplify.
2454 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2456 * opts.c (flag_see): remove its setting at -O3.
2458 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2460 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2461 * arm/constraints.md: New file.
2462 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2463 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2464 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2465 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2466 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2467 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2468 * arm.md: Include constraints.md.
2469 (thumb_movsi_insn): Use satisfies_constraint_J.
2470 (movhi, movqi): Use satisfies_constraint_I.
2472 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2474 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2475 for atmeg a645 device.
2477 2006-05-06 Richard Guenther <rguenther@suse.de>
2479 PR tree-optimization/27151
2480 * tree-vect-transform.c (vectorizable_condition): Punt on
2481 values that have a different type than the condition.
2483 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2486 * c-parser.c (c_parser_cast_expression): Only insert casts into
2487 hash table if pointer.
2488 * function.c (used_types_insert_helper): Rename from
2490 (used_types_insert): Call used_types_insert_helper.
2491 * function.h (used_types_insert): Accept only one argument.
2493 2006-05-05 David Edelsohn <edesohn@gnu.org>
2495 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2496 scratch with output modifier.
2498 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2501 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2502 with output modifier.
2504 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2507 * config/mips/mips.c (mips_symbolic_address_p): Return true
2508 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2509 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2511 2006-05-04 Richard Guenther <rguenther@suse.de>
2513 PR tree-optimization/14287
2514 PR tree-optimization/14844
2515 PR tree-optimization/19792
2516 PR tree-optimization/21608
2517 PR tree-optimization/27090
2518 * tree-ssa-pre.c (try_combine_conversion): New function.
2519 (compute_avail): After constructing the value-handle
2520 expression, use try_combine_conversion to combine NOP_EXPRs
2521 with previous value-handle expressions and use the result if it
2524 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2526 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2528 2006-05-04 Jan Hubicka <jh@suse.cz>
2531 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2533 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2535 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2536 that this only matches CONST_INTs. All users changed to VOIDmode
2539 * config/bfin/bfin.c: Include "optabs.h".
2540 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2542 (enum bfin_builtins): Add a number of fractional and vector builtins.
2543 (bfin_init_builtins): Likewise.
2544 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2545 (safe_vector_operand, bfin_expand_binop_builtin,
2546 bfin_expand_unop_builtin): New functions.
2547 (bfin_expand_builtin): Handle the new builtins.
2548 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2551 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2554 * Makefile.in (OBJS-common): Add see.o.
2555 (see.o): Add dependencies.
2556 * common.opt (fsee): New flag for the see optimization was added.
2557 * opts.c (flag_see): Initialized.
2558 * passes.c (init_optimization_passes, pass_see): New pass.
2559 * rtl.h (see_main): Declaration as extern.
2560 * timevar.def (TV_SEE): New.
2561 * tree-pass.h (pass_see): Declaration as extern.
2562 * invoke.texi (-fsee): Document.
2563 * recog.c (validate_simplify_insn): New function.
2564 * recog.h (validate_simplify_insn): Declaration as extern.
2565 * df-problems.c (df_chain_dump): Check for NULL.
2567 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2568 Daniel Berlin <dberlin@dberlin.org>
2570 * cfgrtl.c (insert_insn_bb_end_new): New function.
2571 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2573 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2575 * df.h (struct web_entry): Moved from web.c.
2576 (union_defs): Declaration as extern.
2577 (unionfind_root): Likewise.
2578 (unionfind_union): Likewise.
2579 * web.c (struct web_entry): Moved to df.h.
2580 (unionfind_root): Remove static declaration.
2581 (unionfind_union): Likewise.
2582 (union_defs): Likewise and generalize to use callback function.
2583 (web_main): Update arguments for union_defs function call.
2585 2006-05-04 Richard Guenther <rguenther@suse.de>
2587 PR tree-optimization/26447
2588 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2589 produce SSA_NAME copies before the store stmt to avoid
2590 breaking exception handling.
2592 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2595 * gimplify.c (omp_is_private): If var is shared in some outer context,
2596 return false instead of true. Stop searching on parallel context
2599 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2602 * coverage.c: Use get_gcov_unsigned_t() instead of
2603 unsigned_type_node all over.
2605 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2607 PR tree-optimization/27381
2608 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2609 maintain the same immediate_use links.
2610 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2611 node rather than segfaulting.
2613 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2616 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2617 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2618 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2620 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2622 Fix PR tree-optimization/26626
2623 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2625 * tree-ssa-operands.c (access_can_touch_variable): Allow
2626 typecasting through union pointers.
2628 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2631 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2632 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2633 to find if var will be a global variable even in the nested context.
2634 (omp_copy_decl): Only check for global variable at the end, it might
2635 be overridden in outer contexts.
2636 (scan_sharing_clauses): For global variables don't create a field.
2637 (lower_rec_input_clauses): Do nothing for global shared variables.
2638 Emit a barrier at the end of ILIST if there were any decls in both
2639 firstprivate and lastprivate clauses.
2640 (lower_send_clauses): Do nothing for global variables except for
2643 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2645 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2646 of the correct signedness is returned.
2648 2006-05-02 Jeff Law <law@redhat.com>
2650 PR tree-optimization/27364
2651 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2652 multiply expressions.
2654 2006-05-02 Tom Tromey <tromey@redhat.com>
2656 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2658 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2661 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2662 -mthumb -fPIC are used.
2664 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2665 Joshua Kinard <kumba@gentoo.org>
2668 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2669 with 64-bit pointers.
2671 2006-05-02 Paul Brook <paul@codesourcery.com>
2673 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2675 (create_fix_barrier): Check that a suitable barrier location is
2677 (arm_reorg): Include ftmp->address in allowable range of addresses.
2679 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2682 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2685 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2688 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2689 around RESULT_DECL for result passed by reference.
2690 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2691 * omp-low.c (use_pointer_for_field): Don't look at
2692 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2693 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2694 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2695 time or var for passing by reference for
2696 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2697 TREE_ADDRESSABLE variables when passing by reference.
2699 * omp-low.c (dump_omp_region): Fix output formatting.
2702 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2703 (expand_omp_parallel): Likewise.
2704 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2707 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2708 on statement list containing also constructors and destructors.
2709 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2712 * except.c (duplicate_eh_regions): Fix clearing of
2713 cfun->eh->region_array entries.
2715 2006-05-01 DJ Delorie <dj@redhat.com>
2717 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2719 (gcc_cv_objdump): Likewise.
2720 * configure: Regenerated.
2722 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2725 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2726 templates for case 3 and 4.
2728 2006-05-01 DJ Delorie <dj@redhat.com>
2730 * vec.c: Include bconfig.h when appropriate.
2731 * Makefile.in (build/vec.o): Adjust dependencies.
2732 * mkconfig.sh: Make sure config.h isn't used for build machine
2735 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2737 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2739 (mark_phi_for_rewrite): New function.
2740 (insert_phi_nodes_for, mark_use_interesting): Call
2741 mark_phi_for_rewrite.
2742 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2743 (update_ssa): Initialize and free phis_to_rewrite.
2745 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2747 PR rtl-optimization/27291
2748 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2749 folded to a constant.
2751 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2753 PR tree-optimization/27283
2754 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2755 not whole # of iteration descriptions.
2756 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2757 uses abnormal ssa name.
2758 (niter_for_single_dom_exit): Ditto.
2759 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2760 return just the number of iterations.
2762 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2764 PR tree-optimization/27144
2765 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2766 (record_estimate): Only record constant upper bound.
2767 (infer_loop_bounds_from_undefined): Call
2768 compute_estimated_nb_iterations just once.
2769 (proved_non_wrapping_p): Renamed to ...
2770 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2771 (convert_step_widening, scev_probably_wraps_p): Call
2772 n_of_executions_at_most instead of proved_non_wrapping_p.
2773 (substitute_in_loop_info): Do not replace values in bounds.
2774 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2777 2006-05-01 Richard Henderson <rth@redhat.com>
2780 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2781 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2784 2006-05-01 Roger Sayle <roger@eyesopen.com>
2786 * c-typeck.c (parser_build_binary_op): Don't call the function
2787 unsigned_conversion_warning to spot operand/result type overflow.
2788 (build_binary_op): Instead, call convert_and_check instead of
2789 convert to report the problem when the operands are promoted.
2790 * c-common.c (unsigned_conversion_warning): Make static.
2791 * c-common.h (unsigned_conversion_warning): Delete prototype.
2793 2006-05-01 Richard Guenther <rguenther@suse.de>
2795 PR tree-optimization/26726
2796 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2798 (find_interesting_uses_address): ... we work around here
2799 by folding INDIRECT_REFs in the substituted base.
2801 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2803 * omp-low.c (dump_omp_region): Add newlines.
2805 2006-04-30 Roger Sayle <roger@eyesopen.com>
2807 * common.opt (Woverflow): New command line option.
2808 * c-common.c (constant_expression_warning): Check warn_overflow.
2809 (overflow_waring): Pass OPT_Woverflow to warning.
2810 (unsigned_conversion_warning): Likewise.
2811 (convert_and_check): Likewise.
2812 * doc/invoke.texi: Document new command line option.
2814 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2816 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2817 TARGET_NO_FP_IN_TOC for section anchors.
2818 (optimization_options): Enable section anchors for all
2819 non-"Objective" languages.
2821 2006-04-28 Eric Christopher <echristo@apple.com>
2823 * config/darwin-c.c (darwin_ms_struct): Move this
2824 (darwin_set_default_type_attributes): and this...
2825 * config/darwin.c: ... here.
2826 * config/darwin.h (darwin_ms_struct): Declare.
2828 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2830 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2832 2006-04-28 Roger Sayle <roger@eyesopen.com>
2835 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2836 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2837 an unsigned HOST_WIDE_INT.
2838 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2840 (really_start_incremental_init): No need to call convert because
2841 bitsize_zero_node is already of type bitsizetype.
2842 (push_init_level): Extract the value of constructor_index as an
2843 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2844 (process_init_element): Likewise.
2846 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2848 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2849 value before passing to make_relative_prefix.
2851 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2854 * builtins.c (expand_builtin_memset): Expand val in original mode.
2856 2006-04-27 Eric Christopher <echristo@apple.com>
2858 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2859 with #ifndef/#endif.
2860 * config/darwin-c.c (darwin_ms_struct): New.
2861 (darwin_pragma_ms_struct): Ditto.
2862 (darwin_set_default_type_attributes): Ditto.
2863 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2864 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2865 Register ms_struct pragma.
2866 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2867 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2868 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2869 darwin_set_default_type_attributes if TARGET_MACHO.
2871 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2873 PR tree-optimization/26854
2874 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2875 * doc/tree-ssa.texi: Update immuse iterator documentation.
2876 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2877 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2878 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2879 first_safe_imm_use, next_safe_imm_use): Remove.
2880 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2881 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2882 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2883 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2884 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2885 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2886 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2887 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2888 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2889 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2890 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2891 (perfect_nestify): Use new iterator.
2892 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2894 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2895 (next_imm_name): New field in struct immediate_use_iterator_d.
2896 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2897 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2898 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2899 * tree-cfg.c (replace_uses_by): Use new iterator.
2900 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2901 * tree-ssa-operands.c (correct_use_link): Remove.
2902 (finalize_ssa_use_ops): No longer call correct_use_link.
2904 2006-04-27 Stuart Hastings <stuart@apple.com>
2906 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2907 * config/t-darwin (crt3.o): Use it.
2908 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2909 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2910 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2911 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2912 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2915 2006-04-27 Roger Sayle <roger@eyesopen.com>
2917 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2918 size, force the intermediate into a new pseudo rather instead of
2919 performing both a bitwise AND and a bitwise IOR in memory.
2921 2006-04-27 Richard Guenther <rguenther@suse.de>
2923 PR rtl-optimization/26685
2924 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2925 this one "max-flow-memory-locations".
2927 2006-04-27 Richard Guenther <rguenther@suse.de>
2929 PR tree-optimization/25148
2930 * tree-vrp.c (compare_values): Remove code dealing with
2931 comparisons against type min/max value. Honour overflow
2932 and negative constants in code dealing with comparisons
2933 of plus and minus expressions.
2934 (value_inside_range): Use fold_binary with LE_EXPR and
2935 GE_EXPR rather than compare_values.
2937 2006-04-27 Dirk Mueller <dmueller@suse.de>
2939 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2942 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2944 * basic-block.h (safe_insert_insn_on_edge): Removed.
2945 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2947 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2948 Paolo Bonzini <bonzini@gnu.org>
2951 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2952 (simplify_and_const_int): Same.
2954 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2956 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2958 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2961 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2962 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2963 cgraph_global_info_ready.
2966 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2969 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2970 either decl or init is error_mark_node.
2973 * tree-flow.h (struct omp_region): Add sched_kind.
2974 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2975 instead of extracting omp for data.
2976 (expand_omp_for): Save extracted sched_kind.
2978 2006-04-25 Roger Sayle <roger@eyesopen.com>
2980 * expmed.c (store_bit_field): Also check whether the bitsize is
2981 valid for the machine's "insv" instruction before moving the
2982 target into a pseudo for use with the insv.
2983 * config/i386/predicates.md (const8_operand): New predicate.
2984 * config/i386/i386.md (extv, extzv, insv): Use the new
2985 const8_operand predicate where appropriate.
2987 2006-04-25 DJ Delorie <dj@redhat.com>
2989 * doc/install.texi (Specific): Clarify that this is not a list of
2990 supported hosts or targets.
2992 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2994 PR rtl-optimization/26725
2995 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2996 block's BB_DIRTY flag.
2998 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3000 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3003 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3004 to print an integer.
3006 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3008 * varasm.c (align_variable): New function.
3009 (get_block_for_decl): Apply align_variable to DECL before
3010 calculating section information.
3011 (assemble_variable): Split out alignment computation.
3013 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3015 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3018 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3020 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3021 MODE_PARTIAL_INT mode.
3022 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3023 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3025 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3026 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3028 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3030 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3032 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3033 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3034 MACFLAG_IH): Likewise.
3035 (movstricthi_1): Renamed from "*movstricthi".
3036 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3037 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3038 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3039 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3040 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3041 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3042 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3043 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3044 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3045 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3046 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3047 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3048 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3049 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3050 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3052 * doc/rtl.texi (ss_ashift): Improve wording.
3054 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3056 * dwarf2out.c (verify_marks_clear): New.
3057 (prune_unused_types): Call verify_marks_clear initially, not
3060 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3062 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3063 * doc/rtl.texi: Document them.
3064 * simplify-rtx.c (simplify_unary_operation,
3065 simplify_binary_operation_1): Don't abort when we see them.
3067 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3070 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3071 * configure.ac: Completely disregard languages that are not
3073 * configure: Regenerated.
3075 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3076 Richard Guenther <rguenther@suse.de>
3078 PR tree-optimization/27236
3079 * tree-inline.c (copy_body_r): Make sure to copy
3080 TREE_THIS_VOLATILE flag.
3082 2006-04-24 Richard Guenther <rguenther@suse.de>
3085 * tree-complex.c (update_parameter_components): Don't handle
3086 unused parameters which have no default def.
3088 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3089 Richard Guenther <rguenther@suse.de>
3091 PR tree-optimization/27218
3092 * tree-inline.c (expand_call_inline): Strip useless type
3093 conversions for the return slot address.
3095 2006-04-24 Richard Guenther <rguenther@suse.de>
3097 * cfgloop.h (struct loops): Remove unused field array. Reorder
3099 (LOOP_PREFETCH): Remove.
3101 2006-04-24 Richard Guenther <rguenther@suse.de>
3103 PR tree-optimization/22525
3104 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3105 variable, adjust types of generated expressions.
3107 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3109 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3110 (tree-vect-patterns.o): Likewise.
3112 (cselib.o): Likewise.
3113 (loop-doloop.o): Likewise.
3114 (regclass.o): Likewise.
3115 (reload1.o): Likewise.
3116 (explow.o): Replace target.h with $(TARGET_H).
3117 (ipa-prop.o): Likewise.
3118 (ipa-cp.o): Likewise.
3119 (ipa-inline.o): Likewise.
3120 (reorg.o): Likewise.
3121 (reg-stack.o): Likewise.
3123 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3125 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3127 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3129 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3131 * configure.ac: Completely disregard languages that are not
3133 * configure: Regenerated.
3136 * c-common.h (c_build_bitfield_integer_type): Declare.
3137 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3138 * c-common.c (c_build_bitfield_integer_type): ... here.
3140 2006-04-23 Roger Sayle <roger@eyesopen.com>
3143 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3144 a SImode SUBREG of a floating point register after no_new_pseudos.
3146 2006-04-23 Roger Sayle <roger@eyesopen.com>
3148 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3149 identify potentially eliminable registers to additionally catch
3150 VIRTUAL_INCOMING_ARGS_REGNUM.
3151 (addsi3): Update the conditions on when to use addsi_small_int.
3153 2006-04-23 Roger Sayle <roger@eyesopen.com>
3156 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3157 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3158 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3160 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3162 * fold-const.c (range_predecessor): Use operand_equal_p
3163 as the predicate for equality.
3164 (range_successor): Likewise.
3166 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3169 * config/soft-fp/op-common.h: Fix a typo.
3171 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3174 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3175 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3177 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3179 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3181 * doc/tm.texi: Fix a typo.
3183 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3185 * dwarf2out.c (struct die_struct): Document that die_sib makes
3186 a circular linked list.
3187 (FOR_EACH_CHILD): New.
3188 (reverse_die_lists): Delete.
3189 (reverse_all_dies): Delete.
3190 (add_dwarf_attr): Correct documentation.
3191 (remove_child_with_prev): New.
3192 (remove_child_TAG): Update for change to die_struct, use
3193 remove_child_with_prev.
3194 (add_child_die): Update for change to die_struct.
3195 (splice_child_die): Use remove_child_with_prev and add_child_die.
3196 (print_die): Use FOR_EACH_CHILD.
3197 (die_checksum): Likewise.
3198 (assign_symbol_names): Likewise.
3199 (output_location_lists): Likewise.
3200 (build_abbrev_table): Likewise.
3201 (calc_die_sizes): Likewise.
3202 (mark_dies): Likewise.
3203 (unmark_dies): Likewise.
3204 (unmark_all_dies): Likewise.
3205 (output_die): Likewise.
3206 (prune_unused_types_mark): Likewise.
3207 (prune_unused_types_walk): Likewise.
3208 (same_die_p): Update for change to die_struct.
3209 (break_out_includes): Likewise.
3210 (prune_unused_types_prune): Likewise.
3211 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3212 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3214 (dwarf2out_finish): Don't call reverse_all_dies.
3216 2006-04-21 Eric Christopher <echristo@apple.com>
3218 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3219 in comments and function names.
3221 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3224 * c-typeck.c (digest_init): Robustify.
3226 * c-typeck.c (pop_init_level): Simplify.
3228 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3230 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3232 2006-04-21 Paul Brook <paul@codesourcery.com>
3234 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3235 hardware floating point.
3237 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3239 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3242 2006-04-21 Nick Clifton <nickc@redhat.com>
3244 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3247 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3250 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3251 C++ lang type in traceback table for Objective-C++.
3253 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3255 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3257 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3259 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3262 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3263 were errors. Remove check for erroneous objects.
3265 2006-04-20 Jeff Law <law@redhat.com>
3267 PR tree-optimization/26854
3268 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3269 checking for zero or one use.
3270 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3271 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3272 * tree-ssa-reassoc.c (negate_value): Similarly.
3273 (reassociate_bb): Similarly.
3275 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3277 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3278 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3279 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3281 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3283 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3284 fp regs if the last fp arg doesn't fit in regs.
3286 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3289 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3290 that the last insn has the REG_INC note.
3292 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3293 Nathan Sidwell <nathan@codesourcery.com>
3296 * stor-layout.c (update_alignment_for_field): Do not align
3298 (place_union_field): Place union field at the start of the union.
3299 (place_field): Move ERROR_MARK check later, and use the current
3300 allocation position to maintain monotonicity.
3302 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3304 * dominance.c: Include timevar.h.
3305 (calculate_dominance_info): Use TV_DOMINANCE.
3306 * timevar.def (TV_DOMINANCE): New timevar.
3307 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3309 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3311 PR rtl-optimization/14261
3312 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3313 move would be an INSV insn.
3314 (noce_process_if_block): Don't optimize if the destination is a
3315 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3317 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3319 * config/s390/s390.md: Add comments with the instructions emitted
3320 by an insn pattern if macros are used.
3322 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3324 PR rtl-optimization/26026
3325 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3326 is a known power of two shifted left a variable amount.
3328 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3330 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3331 to hash table twice when the debug_str section has SECTION_MERGE.
3333 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3335 * config/soft-fp: New directory. From glibc.
3336 * config/soft-fp/t-softfp: New.
3337 * config/soft-fp/README: New.
3338 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3339 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3340 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3341 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3342 * config.gcc: Use rs6000/t-fprules-fpbit or
3343 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3345 * config/rs6000/sfp-machine.h: New. Based on glibc.
3346 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3348 * config/rs6000/t-fprules: Remove fp-bit rules.
3349 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3350 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3351 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3352 (softfp_wrap_start, softfp_wrap_end): New.
3354 2006-04-18 DJ Delorie <dj@redhat.com>
3356 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3358 2006-04-18 Devang Patel <dpatel@apple.com>
3360 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3362 2006-04-18 Nick Clifton <nickc@redhat.com>
3364 * config/sh/t-symbian: Add rule to build sh-c.o
3365 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3366 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3367 (sh_symbian_encode_section_info): Likewise.
3369 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3371 * builtins.c (expand_builtin_strcmp): Cover label definition of
3372 do_libcall with HAVE_cmpstrnsi.
3374 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3376 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3378 * function.h (temp_slot_p): New.
3379 (function): Change the type of x_used_temp_slots to
3380 VEC(temp_slot_p,gc) *.
3382 2006-04-18 Nick Clifton <nickc@redhat.com>
3384 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3385 flag_strength_reduce.
3387 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3389 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3393 Partial revert of revision 112637
3394 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3395 Dale Johannesen <dalej@apple.com>
3398 * regclass.c (struct reg_pref): Update documentation.
3399 (regclass): Set prefclass to NO_REGS if memory is the best option.
3400 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3402 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3404 PR tree-optimization/26821
3405 * tree-ssa-math-opts.c (get_constant_one): New.
3406 (insert_reciprocals): Use it.
3408 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3410 * dwarf2out.c (free_AT): Delete.
3411 (remove_AT): Update string ref counts.
3412 (remove_child_TAG): Don't call free_die.
3414 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3415 or DW_TAG_GNU_EINCL.
3416 (prune_unused_types_walk_attribs): Reset string refcounts.
3417 (prune_unused_types_update_strings): New.
3418 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3419 call free_die. Do call prune_unused_types_update_strings.
3420 (prune_unused_types): Empty debug_str_hash.
3422 2006-04-17 Roger Sayle <roger@eyesopen.com>
3424 * expr.c (expand_assignment): Optimize away no-op moves where the
3425 source and destination are equal and have no side-effects.
3427 2006-04-17 Richard Guenther <rguenther@suse.de>
3430 * reload.c (push_reload): Guard calls to get_secondary_mem
3433 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3435 * alias.c (reg_base_value, old_reg_base_value): Change the
3436 type to VEC(rtx,gc) *.
3437 (REG_BASE_VALUE, find_base_value, record_set,
3438 init_alias_analysis): Use VEC instead of VARRAY.
3440 * alias.c (alias_sets): Change the type to
3441 VEC(alias_set_entry,gc) *.
3442 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3443 VEC instead of VARRAY.
3444 (last_alias_set): Remove.
3446 * cgraph.h (cgraph_edge_p): New.
3447 Update the prototype of cgraph_function_versioning.
3448 * cgraphunit.c (cgraph_copy_node_for_versioning,
3449 cgraph_function_versioning): Use VEC instead of VARRAY.
3450 * ipa-cp.c (ipcp_insert_stage): Likewise.
3452 2006-04-16 Roger Sayle <roger@eyesopen.com>
3455 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3456 "A op B" or "A op C", we may need to convert A to the type of B and C.
3458 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3460 * target.h (struct gcc_target): Add mode_rep_extended.
3461 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3462 (init_num_sign_bit_copies_in_rep): Initialize it using
3464 (truncate_to_mode): Use it.
3465 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3466 * targhooks.h (default_mode_rep_extended): Declare it.
3467 * targhooks.c (default_mode_rep_extended): Define it.
3468 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3469 default_mode_rep_extended.
3470 (TARGET_INITIALIZER): Include it.
3471 * doc/tm.texi (Misc): Document it.
3472 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3473 (mips_truncated_to_mode): New function.
3475 2006-04-16 Roger Sayle <roger@eyesopen.com>
3478 * expr.c (compress_float_constant): Copy the narrow constant into
3479 a new pseudo before extending it to its final width.
3481 2006-04-16 Roger Sayle <roger@eyesopen.com>
3482 Andrew Pinski <pinskia@gcc.gnu.org>
3483 Dale Johannesen <dalej@apple.com>
3486 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3487 special case code to implement V8HImode and V16QImode with SSE2.
3489 2006-04-15 Roger Sayle <roger@eyesopen.com>
3491 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3492 trees are constructed with a suitable tree type.
3494 2006-04-15 Roger Sayle <roger@eyesopen.com>
3496 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3497 (integer_onep): Likewise.
3498 (integer_all_onesp): Likewise.
3499 (integer_pow2p): Likewise.
3500 (integer_nonzerop): Likewise.
3501 (real_zerop): Likewise.
3502 (real_onep): Likewise.
3503 (real_twop): Likewise.
3504 (real_minus_onep): Likewise.
3505 (int_size_in_bytes): Likewise.
3506 (host_integerp): Likewise.
3508 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3510 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3511 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3512 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3514 * tree-ssa-structalias.h (alias_info): Remove num_references.
3516 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3518 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3519 (output_bvb patterns): Likewise.
3520 * pa.c (output_bb): Use 'bb' insn for long branch case.
3521 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3522 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3523 1. Correct length operand for alternatives 1 and 2.
3524 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3525 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3527 2006-04-14 Roger Sayle <roger@eyesopen.com>
3529 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3530 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3531 were accidentally reverted by r112959.
3533 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3536 * except.h (eh_region_outermost): New prototype.
3537 * except.c (eh_region_outermost): New function.
3538 * tree-cfg.c (find_outermost_region_in_block): Use it.
3540 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3542 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3544 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3545 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3546 (init_reload, reload): Use VEC instead of VARRAY.
3547 * reload.h: Update the prototype for
3548 reg_equiv_memory_loc_varray.
3550 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3551 Eric Botcazou <ebotcazou@libertysurf.fr>
3553 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3556 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3559 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3560 to expand fallback builtin function call.
3562 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3565 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3566 and emit libcall here in case the builtin fails.
3567 (expand_builtin_strcmp): Always emit the libcall here on failure.
3569 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3571 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3572 * flow.c (reg_n_info): Change the type to
3573 VEC(reg_info_p,heap) *.
3574 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3576 * regs.h (reg_info_p): New.
3577 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3578 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3579 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3582 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3584 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3586 * params.h (MAX_SCHED_READY_INSNS): New macro.
3587 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3588 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3589 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3590 the ready list for 1 cycle during the first scheduling pass.
3591 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3593 2006-04-13 Richard Henderson <rth@redhat.com>
3596 * gimple-low.c (lower_omp_directive): Remove dead code.
3597 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3598 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3599 * omp-low.c (struct omp_region): Move to tree-flow.h.
3600 (root_omp_region): Export.
3601 (omp_regions, lookup_omp_region): Remove.
3602 (determine_parallel_type): Update for struct omp_region changes.
3603 (dump_omp_region): Dump regions with block numbers.
3604 (new_omp_region): Take type and block instead of stmt; malloc
3606 (free_omp_region_1, free_omp_regions): New.
3607 (expand_parallel_call): Take entry_stmt as argument; update for
3608 changes to omp_region.
3609 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3610 (remove_exit_barriers): New.
3611 (expand_omp_parallel): Update for struct omp_region changes.
3612 (expand_omp_synch): Likewise.
3613 (expand_omp): Likewise.
3614 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3615 (expand_omp_for_static_chunk): Likewise.
3616 (expand_omp_for): Likewise.
3617 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3618 (expand_omp_sections): Similarly, with GOMP_sections_end.
3619 (expand_omp_single): New.
3620 (build_omp_regions_1): Update for OMP_CONTINUE.
3621 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3622 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3623 OMP_SECTIONS_SECTIONS.
3624 (lower_omp_single_simple): Don't emit barrier here.
3625 (lower_omp_single_copy): Likewise.
3626 (lower_omp_single): Fix bindings, and lower to straightline now.
3627 (lower_omp_master, lower_omp_ordered): Likewise.
3628 (lower_omp_critical): Likewise.
3629 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3630 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3631 omp edges, free it afterward.
3632 (make_omp_sections_edges): Remove.
3633 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3634 (move_stmt_r): Handle OMP_CONTINUE.
3635 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3636 statement pointers to basic blocks. Add type member.
3637 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3638 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3639 * tree-inline.c (estimate_num_insns_1): Likewise.
3640 * tree-pretty-print.c (dump_generic_node): Likewise.
3641 * tree-ssa-operands.c (get_expr_operands): Likewise.
3642 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3643 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3644 (OMP_CONTINUE): New.
3645 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3646 (OMP_SECTIONS_SECTIONS): Remove.
3647 (OMP_SECTION_LAST): New.
3648 (OMP_RETURN_NOWAIT): New.
3650 2006-04-13 Roger Sayle <roger@eyesopen.com>
3652 * fold-const.c (native_encode_vector, native_interpret_real):
3653 Correct obvious mistakes in the previous check-in.
3655 2006-04-13 Roger Sayle <roger@eyesopen.com>
3657 * fold-const.c (native_encode_expr): New function to encode
3658 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3659 or VECTOR_CST into a specified buffer.
3660 (native_encode_int): New function.
3661 (native_encode_real): New function.
3662 (native_encode_complex): New function.
3663 (native_encode_vector): New function.
3664 (native_interpret_expr): Inverse of native_encode_expr to convert
3665 a target representation into an INTEGER_CST, REAL_CST etc...
3666 (native_interpret_int): New function.
3667 (native_interpret_real): New function.
3668 (native_interpret_complex): New function.
3669 (native_interpret_vector): New function.
3670 (fold_view_convert_expr): New function to constant fold/evaluate
3671 a VIEW_CONVERT_EXPR of a suitable constant expression.
3672 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3673 Change call of build1 to fold_build1 when constructing a
3676 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3677 Ulrich Weigand <uweigand@de.ibm.com>
3680 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3683 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3686 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3687 optimize to lo_sum for DFmode if !TARGET_FPRS.
3689 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3691 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3692 delete_alias_info, compute_flow_sensitive_aliasing,
3693 group_aliases): Use VEC instead of VARRAY.
3694 * tree-ssa-structalias.c (update_alias_info): Likewise.
3695 * tree-ssa-structalias.h (alias_info): Change the type of
3696 processed_ptrs to VEC(tree,heap) *.
3698 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3701 * config/sh/lib1funcs.h: New file, broken out of:
3702 * config/sh/lib1funcs.asm.
3703 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3705 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3706 * config/sh/lib1funcs-Os-4-200.asm: New file.
3707 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3708 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3709 (EXTRA_MULTILIB_PARTS): Include it.
3710 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3711 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3712 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3713 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3716 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3718 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3719 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3720 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3722 * tree-ssa-live.h: Include vecprim.h.
3723 (tree_partition_associator_d): Change the type of
3724 first_partition to VEC(int,heap) *.
3725 (tpa_first_partition): Use VEC instead of VARRAY.
3727 * Makefile.in (GTFILES): Move functions.h after tree.h.
3728 * function.c (reset_block_changes, record_block_change,
3729 check_block_change, free_block_changes): Use VEC instead of
3731 * function.h (function): Change the type of
3732 ib_boundaries_block to VEC(tree,gc) *.
3733 * tree-inline.c (copy_cfg_body): Initialize
3734 ib_boundaries_block to NULL instead of (varray_type) 0.
3736 2006-04-12 Roger Sayle <roger@eyesopen.com>
3738 * expr.c (emit_group_store): Correct operand order in call to
3739 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3740 a SUBREG_BYTE of zero.
3742 2006-04-12 Richard Guenther <rguenther@suse.de>
3744 * profile.c (compute_branch_probabilities): Remove code
3745 encapsulated in !ir_type (), which are remanents of the
3746 removed RTL profiling code.
3747 * rtl-profile.c: Remove.
3749 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3751 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3752 magic NULL_RTX comment.
3753 (function_arg): Store entire fp arg to mem if any part should go
3755 (rs6000_arg_partial_bytes): Adjust for above change.
3757 2006-04-11 Roger Sayle <roger@eyesopen.com>
3759 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3760 if it hasn't been initialized by dwarf2out_init.
3762 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3764 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3765 symbolic constants in branch patterns.
3767 2006-04-11 Roger Sayle <roger@eyesopen.com>
3769 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3771 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3773 PR rtl-optimization/27073
3774 * gcse.c (try_replace_reg): Revert last change. Continue to search
3775 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3778 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3780 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3781 aggregate types other than record and union types.
3782 (function_arg): Likewise.
3783 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3785 (function_value): In 64-bit mode, return objects that require it
3788 2006-04-11 Roger Sayle <roger@eyesopen.com>
3790 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3792 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3794 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3796 2006-04-03 Jeff Law <law@redhat.com>
3799 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3800 alias information too.
3802 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3804 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3806 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3809 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3810 (premark_used_types_helper): New.
3811 (premark_used_types): New.
3812 (gen_subprogram_die): Call premark_used_types.
3813 (prune_unused_types_walk): Do not prune perennial dies.
3814 * function.c (used_types_insert): New.
3815 * function.h (struct function): Add used_types_hash field.
3816 (used_types_insert): Add prototype.
3817 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3818 * c-parser.c (c_parser_cast_expression): Save casted types in used
3821 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3824 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3825 rs6000_explicit_options.float_gprs.
3827 2006-04-10 Roger Sayle <roger@eyesopen.com>
3829 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3830 from ix86_expand_vector_init_low_nonzero. Take an additional
3831 one_var argument indicating which element is non-zero. Support
3832 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3833 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3834 with one_var instead of ix86_expand_vector_init_low_nonzero.
3836 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3838 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3839 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3840 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3841 build/genextract.o): Depend on vecprim.h.
3842 * cfglayout.c, df-problems.c, function.c, genextract.c,
3843 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3844 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3848 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3850 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3851 Declare VECs of this type.
3852 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3853 (remove_children): Delete.
3854 (add_dwarf_attr): Use VEC routines.
3855 (add_AT_flag): Update for changes to add_dwarf_attr.
3856 (add_AT_int): Likewise.
3857 (add_AT_unsigned): Likewise.
3858 (add_AT_long_long): Likewise.
3859 (add_AT_vec): Likewise.
3860 (add_AT_string): Likewise.
3861 (add_AT_die_ref): Likewise.
3862 (add_AT_fde_ref): Likewise.
3863 (add_AT_loc): Likewise.
3864 (add_AT_loc_list): Likewise.
3865 (add_AT_addr): Likewise.
3866 (add_AT_lbl_id): Likewise.
3867 (add_AT_lineptr): Likewise.
3868 (add_AT_macptr): Likewise.
3869 (add_AT_offset): Likewise.
3870 (add_AT_range_list): Likewise.
3871 (get_AT): Use VEC_iterate.
3872 (remove_AT): Use VEC_ordered_remove.
3873 (free_die): Fold remove_children into here; have it use VEC_iterate.
3874 (print_die): Use VEC_iterate on attrs.
3875 (reverse_die_lists): Don't reverse attr lists.
3876 (die_checksum): Use VEC_iterate on attrs.
3877 (same_die_p): Likewise.
3878 (output_location_lists): Likewise.
3879 (build_abbrev_table): Likewise.
3880 (size_of_die): Likewise.
3881 (unmark_all_dies): Likewise.
3882 (output_abbrev_section): Likewise.
3883 (output_die): Likewise.
3884 (prune_unused_types_walk_attribs): Likewise.
3886 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3888 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3890 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3893 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3895 2006-04-09 Roger Sayle <roger@eyesopen.com>
3897 * expr.c (store_constructor): Don't bother clearing target if
3898 we're about to assign a vector to it using vec_init_optab.
3900 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3902 * tree-ssa-alias.c (lhs_may_store_to): New function.
3903 (recalculate_used_alone): Handle LHS of calls.
3905 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3909 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3910 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3911 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3912 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3913 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3914 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3915 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3916 stubs. Add ".align 8" directives before all ".dword" directives.
3917 (GTHREAD_USE_WEAK): Revise comment.
3918 (TARGET_ATTRIBUTE_WEAK): Define.
3919 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3920 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3921 * stublib.c: New file.
3926 * pa.md (cbranch patterns): Revise arguments used in calls to
3927 output_cbranch, output_bb and output_bvd. Add long branch length
3929 (fbranch patterns): Handle long branches.
3930 (jump): Revise length check. Revise arguments for output_lbranch call.
3931 Add long branch length attributes.
3932 (decrement_and_branch_until_zero): Add long branch length attributes.
3933 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3934 Likewise. Revise arguments for output_parallel_addb and
3935 output_parallel_movb calls.
3936 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3937 output_parallel_movb and output_parallel_addb): Update prototypes.
3938 * pa.c (output_cbranch): Revise arguments. Correct handling of
3939 nullification in long branches.
3940 (output_lbranch): Add new argument to control extraction of delay
3942 (output_bb): Handle long branches.
3943 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3944 output_parallel_addb): Likewise.
3946 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3948 PR rtl-optimization/27073
3949 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3952 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3954 * tree.h (tree_memory_tag): Add old_used_alone.
3955 (SMT_OLD_USED_ALONE): New macro.
3956 * tree-ssa-alias.c (recalculate_used_alone): Stop
3957 marking things for renaming unnecessarily.
3959 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3961 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3962 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3963 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3964 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3965 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3966 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3967 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3968 spelling convensions.
3969 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3970 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3971 typos. Follow spelling conventions.
3973 2006-04-07 DJ Delorie <dj@redhat.com>
3975 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3976 passed on the stack.
3977 (m32c_init_cumulative_args): When a function returns a structure,
3978 always pass the pointer to that return area on the stack.
3979 (m32c_function_arg_advance): Don't increment the parameter number
3980 if we're processing the returned structure pointer.
3981 (pushm_info): Reverse order of registers.
3983 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3985 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3986 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3987 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3988 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3990 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3991 chrec_fold_multiply): Same.
3992 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3993 force_expr_to_var_cost): Same.
3994 * tree-mudflap.c (mf_xform_derefs_1): Same.
3995 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3997 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3999 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4000 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4003 2006-04-07 Jan Hubicka <jh@suse.cz>
4005 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4007 2006-04-07 Richard Guenther <rguenther@suse.de>
4009 PR tree-optimization/26135
4010 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4011 loads for store copy-prop.
4012 (copy_prop_visit_stmt): Likewise.
4014 2006-04-05 Robert Millan <robertmh@gnu.org>
4016 * config/i386/linux.h: Add a comment to mark macros that are
4017 being overriden in config/k*bsd-gnu.h.
4018 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4020 * config/knetbsd-gnu.h: Ditto.
4022 2006-04-06 Jan Hubicka <jh@suse.cz>
4026 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4029 2006-04-06 Mike Stump <mrs@apple.com>
4031 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4032 for HAVE_nonlocal_goto to be consistent.
4033 (expand_builtin_nonlocal_goto): Likewise.
4034 (expand_builtin_strcmp): Use #ifdef instead of #if
4035 for HAVE_cmpstrnsi to be consistent.
4037 2006-04-05 DJ Delorie <dj@redhat.com>
4039 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4042 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4044 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4045 got-relative addressing for anything but SImode.
4047 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4048 even if the calling function doesn't modify them.
4050 2006-04-05 Richard Guenther <rguenther@suse.de>
4052 PR tree-optimization/26919
4053 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4054 to cgraph_estimate_size_after_inlining.
4056 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4058 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4060 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4062 PR tree-optimization/26996
4063 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4064 VECTOR_TYPE variables.
4066 2006-04-05 Richard Guenther <rguenther@suse.de>
4068 PR tree-optimization/26763
4069 * fold-const.c (fold_comparison): Move folding of
4070 PTR + CST CMP PTR + CST ...
4071 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4073 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4075 * doc/install.texi (Prerequisites): Refine some wording on
4076 bootstrapping and ksh.
4077 Move the version numbers of DejaGnu here from the testing section
4078 and fix casing of names.
4079 Fix markup and clarify wording for autogen requirements.
4080 Refer to GCJ instead of just java.
4081 Refer to SVN instead of CVS.
4082 Describe diffutils as useful instead of necessary.
4083 (Downloading the source): Refer to SVN instead of CVS.
4084 Adjust a link to our web site accordingly.
4085 (Configuration): Fix casing of Bison.
4086 (Building): Refer to SVN instead of CVS.
4087 Fix a sentence on the use of Bison and remove duplicate (and
4088 incorrect) version number of Bison requirement.
4089 Remove one redundant list of packages needed for building.
4090 (Specific): Avoid reference to CVS.
4092 2006-04-04 Eric Christopher <echristo@apple.com>
4094 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4095 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4096 (rs6000_handle_struct_attribute): New.
4097 (rs6000_ms_bitfield_layout_p): Ditto.
4099 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4101 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4102 NULL for dso parameter to atexit_common.
4104 2006-04-04 Eric Christopher <echristo@apple.com>
4106 * config/i386/i386.c (machopic_output_stub): Output \t
4107 between instructions and operands.
4109 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4111 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4112 satisfies_constraint_[IL] to explicit tests on value.
4114 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4116 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4117 set_nb_iterations_in_loop): Use build_int_cst instead of
4119 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4120 build_int_cst instead of convert.
4122 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4124 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4125 new value 2 for incoming.
4126 * function.c (expand_function_start): Call struct_value_rtx
4128 * config/sparc/sparc.md: Comment updated_return.
4129 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4130 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4131 struct return if sparc_std_struct_return and incoming is 2.
4132 (print_operand): Do not adjust return if
4133 sparc_std_struct_return.
4135 2006-04-04 Roger Sayle <roger@eyesopen.com>
4137 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4138 convert in the middle-end.
4139 * expr.c (store_expr, store_constructor, get_inner_reference,
4140 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4142 * tree.c (build_range_type): Likewise.
4144 2006-04-04 Tom Tromey <tromey@redhat.com>
4146 * doc/install.texi (Prerequisites): Mention jar.
4148 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4150 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4153 2006-04-04 Matthias Klose <doko@debian.org>
4155 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4156 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4159 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4161 * doc/extend.texi (Function Attributes): Rewrite visibility
4162 attribute documentation.
4163 * doc/invoke.texi (C++ Dialect Options): Rewrite
4164 -fvisibility-inlines-hidden documentation to describe something
4165 entirely different, although in practise compatible.
4166 (Code Gen Options): Warn about system headers in -fvisibility=
4169 * doc/extend.texi (Other Builtins): Document that
4170 __builtin_nan is a compile-time constant only when its argument
4173 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4175 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4176 trying to remove TRUNCATE check if all bits outside the new mode
4177 are identical to the sign bit.
4179 2006-04-03 Jeff Law <law@redhat.com>
4181 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4182 and operand scanning in some common cases.
4184 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4185 Dale Johannesen <dalej@apple.com>
4188 * regclass.c (struct reg_pref): Update documentation.
4189 (regclass): Set prefclass to NO_REGS if memory is the best option.
4190 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4191 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4192 into account. For non-registers, equate an empty preferred
4193 reload class to a `!' in the constraint; move the if clause to
4194 do so after those that reject the insn.
4195 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4197 (find_dummy_reload): Likewise.
4198 * doc/tm.texi (Register Classes): Document what it means
4199 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4200 * config/i386/i386.c (ix86_preferred_reload_class): Force
4201 using SSE registers (and return NO_REGS for floating-point
4202 constants) if math is done with SSE.
4203 (ix86_preferred_output_reload_class): New.
4204 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4205 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4206 * config/i386/i386.md: Remove # register preferences.
4208 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4211 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4212 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4213 the type of nb_iter.
4214 (instantiate_parameters_1): Convert the operands before calling
4215 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4216 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4218 2006-04-02 Roger Sayle <roger@eyesopen.com>
4220 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4221 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4223 * dojump.c (do_jump): Likewise.
4224 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4225 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4226 gimplify_boolean_expr): Likewise.
4227 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4228 * varasm.c (array_size_for_constructor): Likewise.
4229 * tree-object-size.c (compute_object_offset): Likewise.
4231 2006-04-02 Roger Sayle <roger@eyesopen.com>
4234 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4235 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4237 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4239 PR tree-optimization/26939
4240 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4242 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4244 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4245 at_stmt. Convert the type of operands before calling
4246 build_polynomial_chrec.
4247 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4249 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4250 (instantiate_parameters_1): Convert the type of operands before calling
4251 build_polynomial_chrec.
4252 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4253 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4254 reset_evolution_in_loop): Insert asserts to check the types of the
4256 (chrec_type): Moved...
4257 (eq_evolutions_p): Use operand_equal_p.
4258 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4259 the types of the operands.
4260 (chrec_type): ...here.
4261 * tree-data-ref.c (create_data_ref): Convert the operands before
4262 calling chrec_replace_initial_condition.
4263 (same_access_functions, analyze_subscript_affine_affine,
4264 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4265 (compute_subscript_distance, analyze_ziv_subscript,
4266 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4267 analyze_miv_subscript): Convert the operands before calling
4268 chrec_fold_minus or chrec_fold_plus.
4270 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4272 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4273 the dependence_relations vector.
4274 (compute_data_dependences_for_loop): Adjust call to
4275 compute_all_dependences.
4277 2006-04-01 Roger Sayle <roger@eyesopen.com>
4278 Richard Henderson <rth@redhat.com>
4280 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4281 gimple_boolify on the condition before calling gimplify_expr.
4283 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4285 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4286 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4287 the frame size. Update to use the new macros.
4288 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4289 * config/xtensa/ieee754-df.S: Likewise.
4291 2006-03-31 Richard Henderson <rth@redhat.com>
4293 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4294 (make_edges): ... here. Control fallthru creation with a local
4295 variable. Do not play with fake edges.
4296 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4297 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4300 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4302 * dwarf2.h (DW64_CIE_ID): Define.
4303 * dwarf2out.c (DWARF_CIE_ID): Define.
4304 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4305 length header. Use DWARF_CIE_ID.
4306 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4307 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4309 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4311 * config/sh/linux-atomic.asm: New file.
4312 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4314 2006-03-31 DJ Delorie <dj@redhat.com>
4316 * config/m32c/cond.md: Set condition flags properly throughout.
4317 * config/m32c/minmax.md: Likewise.
4318 * config/m32c/prologue.md: Likewise.
4319 * config/m32c/bitops.md: Likewise.
4320 * config/m32c/muldiv.md: Likewise.
4321 * config/m32c/mov.md: Likewise.
4322 * config/m32c/addsub.md: Likewise.
4323 * config/m32c/m32c.md: Likewise.
4324 * config/m32c/jump.md: Likewise.
4325 * config/m32c/shift.md: Likewise.
4327 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4328 conditionally output the pattern for this.
4329 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4330 (m32c_compare_redundant): New.
4331 (m32c_output_compare): New.
4332 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4334 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4335 dest, not src. Allow other 4-byte modes.
4337 2006-03-30 Denis Chertykov <denisc@overta.ru>
4339 * doc/md.texi: Refer to avr/constraints.md instead of
4342 2006-03-30 Roger Sayle <roger@eyesopen.com>
4344 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4345 signed vs. unsigned comparison failures on some hosts.
4347 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4350 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4351 change to FLOAT_REGS.
4353 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4354 (rs6000_override_options): Use it.
4355 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4356 only for -mabi=spe/no-spe and -mabi=altivec.
4358 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4360 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4363 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4365 * Makefile.in: Rename docdir to gcc_docdir.
4367 2006-03-30 Roger Sayle <roger@eyesopen.com>
4370 * expr.c (emit_group_store): Optimize group stores into a pseudo
4371 register by using a paradoxical subreg to initialize the destination
4372 if the first or last member of the group specifies a "low part".
4374 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4377 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4378 * target.h (struct gcc_target.speculate_insn): Change type of the
4379 second parameter to 'int'.
4380 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4381 the second operand of the DEPS_LIST.
4382 (copy_DEPS_LIST_list): Update reference to the second operand of the
4384 * rtl.h (alloc_DEPS_LIST): Update signature.
4385 * sched-int.h (ds_t): Change typedef to 'int'.
4386 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4388 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4390 * haifa-sched.c (try_ready): Change condition to restore
4391 non-speculative pattern of the instruction.
4392 (process_insn_depend_be_in_spec): Code to keep probability of the
4393 speculative dependence non-decreasing.
4395 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4397 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4398 (single_move_for_movmem): ... this. Also change all uses.
4399 (bfin_expand_strmov): Renamed to...
4400 (bfin_expand_movmem): ... this. Also change all uses.
4401 * config/bfin/bfin.md (movstrsi): Renamed to...
4402 (movstrsi): ...this.
4404 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4406 PR tree-optimization/26830
4408 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4409 (copy_prop_visit_stmt): Remove write-only variable ann.
4410 (init_copy_prop): Check variable loop depth here. Do not simulate
4411 memory-tag and virtual operand PHIs except for store copy prop.
4413 2006-03-30 Richard Guenther <rguenther@suse.de>
4415 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4416 variants with double arguments.
4418 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4420 * genpreds.c (write_tm_constrs_h): Delete variable p.
4421 * genconditions.c (write_header): Add tm-constrs.h to included
4423 * genpeep.c (main): Add toplev.h to included headers.
4424 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4425 (build/genpeep.o): Add toplev.h dependency.
4426 * config/rs6000/constraints.md: Add "W" constraint.
4428 2006-03-29 Roger Sayle <roger@eyesopen.com>
4430 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4431 sizes by correctly testing whether the size fits a host integer.
4432 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4433 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4434 SImode range for the default sizetype and bitsizetype.
4436 2006-03-29 Roger Sayle <roger@eyesopen.com>
4438 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4439 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4440 quickly if the argument is already of the correct type.
4441 Call fold_build1 instead of build1. Tidy up blank lines.
4443 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4445 * genemit.c (main): Add tm-constrs.h to included headers.
4446 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4447 * genpeep.c (main): Add tm-constrs.h to included headers.
4448 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4449 (write_tm_constrs_h): this and write complete file.
4450 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4451 (write_insn_preds_c): Add tm-constrs.h to included headers.
4452 (gen_constrs): New variable.
4453 (parse_option): Parse "-c".
4454 (main): Invoke write_tm_constrs_h.
4455 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4456 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4457 (object_out_file): Add tm-constrs.h dependency.
4458 (insn-emit.o): Same.
4459 (insn-output.o): Same.
4460 (insn-peep.o): Same.
4461 (insn-preds.o): Same.
4462 (insn-recog.o): Same.
4463 (tm-constsr.h): New target.
4464 (s-constrs-h): New target.
4466 * config/rs6000/constraints.md: New file.
4467 * config/rs6000/rs6000.c: Include tm-constrs.h.
4468 (num_insn_constant_wide): Convert to satisfies_constraint.
4469 (rs6000_rtx_costs): Convert to satisfies_constraint.
4470 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4471 (CONST_OK_FOR_LETTER_P): Delete.
4472 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4473 (EXTRA_CONSTRAINT): Delete.
4474 (EXTRA_MEMORY_CONSTRAINT): Delete.
4475 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4476 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4477 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4478 satisfies_constraint.
4480 * config/i386/i386.c: Include tm-constrs.h.
4482 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4484 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4485 * tree-data-ref.c (find_data_references_in_loop,
4486 compute_data_dependences_for_loop): Use pointers to VEC.
4487 (analyze_all_data_dependences): Adjust calls.
4488 * tree-data-ref.h (find_data_references_in_loop,
4489 compute_data_dependences_for_loop): Adjust declarations.
4490 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4491 compute_data_dependences_for_loop.
4493 2006-03-29 Paul Brook <paul@codesourcery.com>
4495 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4498 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4500 PR tree-optimization/26859
4501 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4503 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4504 for the step after fold_convert.
4506 2006-03-29 Paul Brook <paul@codesourcery.com>
4508 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4509 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4511 2006-03-29 Paul Brook <paul@codesourcery.com>
4514 * targhooks.c (default_narrow_bitfield): New fuction.
4515 * targhooks.h (default_narrow_bitfield): add prototype.
4516 * target.h (gcc_target): Add narrow_volatile_bitfield.
4517 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4518 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4519 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4520 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4522 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4524 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4526 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4527 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4528 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4529 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4530 (s390_function_arg_float): Allow SDmode and DDmode values to be
4531 passed in floating point registers.
4532 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4533 check with SCALAR_FLOAT_MODE_P.
4534 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4536 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4538 PR tree-optimization/25985
4539 * tree-ssa-loop-niter.c (number_of_iterations_le,
4540 number_of_iterations_ne): Make comments more precise.
4541 (number_of_iterations_cond): Add only_exit argument. Use the
4542 fact that signed variables do not overflow only when only_exit
4544 (loop_only_exit_p): New.
4545 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4546 number_of_iterations_cond.
4548 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4550 PR tree-optimization/26643
4551 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4554 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4556 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4557 (divsi3_i4_int): Likewise.
4559 2006-03-28 Roger Sayle <roger@eyesopen.com>
4561 * expr.c (emit_group_store): Only create a new pseudo reg if the
4562 quantity it needs to hold isn't already a suitable pseudo.
4564 2006-03-28 Jeff Law <law@redhat.com>
4566 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4567 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4569 2006-03-28 Roger Sayle <roger@eyesopen.com>
4571 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4572 the equivalent ~X & Y, and the symmetry related transformations.
4573 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4574 ~X & Y, and symmetry related transforms.
4576 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4578 Revert my 2006-03-27 patches.
4580 2006-03-28 Roger Sayle <roger@eyesopen.com>
4582 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4583 ~(T1)X, when T1 and T2 are integer types of the same precision
4584 and (T2)X isn't an extension.
4586 2006-03-28 Jeff Law <law@redhat.com>
4588 PR tree-optimization/26796
4589 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4590 need EH edge cleanups rather than purging them immediately.
4591 (eliminate_degenerate_phis): Handle queued EH cleanups.
4593 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4595 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4598 2006-03-27 Roger Sayle <roger@eyesopen.com>
4601 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4602 cast BIT_NOT_EXPR operand to the correct type.
4604 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4606 * tree-loop-linear.c: Don't include varray.h.
4607 (gather_interchange_stats, try_interchange_loops,
4608 linear_transform_loops): Use VEC instead of VARRAY.
4609 * lambda-mat.c: Don't include varray.h.
4610 * tree-chrec.c: Same.
4611 * lambda-trans.c: Same.
4612 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4613 VEC instead of VARRAY.
4614 * tree-vectorizer.h: Idem.
4615 * tree-data-ref.c (dump_data_references,
4616 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4617 initialize_data_dependence_relation, finalize_ddr_dependent,
4618 compute_all_dependences, find_data_references_in_loop,
4619 compute_data_dependences_for_loop, analyze_all_data_dependences,
4620 free_dependence_relation, free_dependence_relations,
4621 free_data_refs): Idem.
4622 * tree-data-ref.h (data_reference_p, subscript_p): New.
4623 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4624 VEC instead of VARRAY.
4625 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4626 (find_data_references_in_loop, compute_data_dependences_for_loop,
4627 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4628 dump_data_dependence_relations, free_dependence_relations,
4629 free_data_refs): Adjust declaration.
4630 (lambda_transform_legal_p): Move declaration here...
4631 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4632 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4633 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4634 vect_analyze_data_refs): Use VEC instead of VARRAY.
4635 * lambda.h (lambda_transform_legal_p): ...from here.
4636 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4637 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4638 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4639 tree-chrec.o): Don't depend on VARRAY_H.
4641 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4643 * rtl.def (Copyright): Update date.
4644 (DEPS_LIST): Change type of the second operand to 'int'.
4645 * target.h (Copyright): Update date.
4646 (struct gcc_target.speculate_insn): Change type of the second parameter
4648 * lists.c (Copyright): Update date.
4649 (alloc_DEPS_LIST): Change signature. Update reference to the second
4650 operand of the DEPS_LIST.
4651 (copy_DEPS_LIST_list): Update reference to the second operand of the
4653 * rtl.h (Copyright): Update date.
4654 (alloc_DEPS_LIST): Update signature.
4655 * sched-int.h (Copyright): Update date.
4656 (ds_t): Change typedef to 'int'.
4657 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4659 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4661 * haifa-sched.c (Copyright): Update date.
4662 (try_ready): Change condition to restore non-speculative pattern
4664 (process_insn_depend_be_in_spec): Code to keep probability of the
4665 speculative dependence non-decreasing.
4667 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4669 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4670 shut up the compiler.
4672 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4674 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4675 to use lib prefix for target.
4676 ($(T)libic_invalidate_array_4-200.a): Likewise.
4677 ($(T)libic_invalidate_array_4a.a): Likewise.
4679 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4680 J"orn Rennecke <joern.rennecke@st.com>
4682 * superh.opt: New file.
4683 * sh.c (boardtype, osruntime): Remove.
4684 * superh.h (SUBTARGET_OPTIONS): Remove.
4685 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4687 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4688 arguments with ^ and/or [].
4690 * config.gcc (sh-*-*): Add quoting to account for quirk of
4692 Replace == with = in enable_incomplete_targets test.
4694 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4695 with MASK_LITTLE_ENDIAN.
4697 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4698 * config/sh/sh.opt: Added to some comments.
4699 * config/sh/superh.h: Removed some chaff.
4701 * config/sh/sh.opt: Add m4-[1234]00* options.
4702 * config/sh/sh.c (sh_handle_option): Likewise.
4703 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4704 (ic_invalidate_array_4-100.o): New rule.
4705 ($(T)libic_invalidate_array_4-100.a): Likewise.
4706 (ic_invalidate_array_4-200.o): Likewise.
4707 ($(T)libic_invalidate_array_4-200.a): Likewise.
4708 (ic_invalidate_array_4a.o): Likewise.
4709 ($(T)libic_invalidate_array_4a.a): Likewise.
4710 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4711 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4713 * config/sh/crt1.asm: Merged in profiling code.
4714 * config/sh/superh.h (STARTFILE_SPEC): Override.
4715 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4716 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4717 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4719 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4720 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4721 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4723 * sh.opt (mpretend-cmove): New option.
4724 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4725 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4726 (movsicc): Add TARGET_PRETEND_CMOVE code.
4728 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4730 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4731 s390_class_max_nregs): New function prototypes.
4732 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4733 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4734 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4735 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4737 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4739 * dwarf2out.c (add_location_or_const_value_attribute): Call
4740 tree_add_const_value_attribute if nothing else works.
4741 (reference_to_unused): New.
4742 (rtl_for_decl_init): Use reference_to_unused to decide whether
4743 to output an initializer.
4745 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4748 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4749 peephole removing spe frob_di_df_2.
4751 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4753 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4754 (subscript_dependence_tester_1): Declared.
4755 (print_dir_vectors, print_dist_vectors): New.
4756 (debug_data_dependence_relation): New.
4757 (dump_data_dependence_relation): Print more details.
4758 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4759 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4760 (save_dist_v, save_dir_v, add_outer_distances,
4761 build_classic_dist_vector_1): New.
4762 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4763 Don't test for lambda_vector_lexico_pos.
4764 (same_access_functions, add_multivariate_self_dist,
4765 add_other_self_distances, dir_from_dist): New.
4766 (build_classic_dir_vector): Replace implementation almost identical to
4767 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4769 (subscript_dependence_tester_1): New.
4770 (subscript_dependence_tester): Handle the lexicographically negative
4771 distance vectors by recomputing the dependence relation.
4772 (compute_affine_dependence): Remove parameter loop_nest_depth.
4773 (compute_self_dependence): Don't call compute_subscript_distance.
4774 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4775 Add a parameter for the loop_nest.
4776 (find_loop_nest_1, find_loop_nest): New.
4777 (compute_data_dependences_for_loop): Compute the loop nest, and give
4778 up if the nest is not well formed.
4779 * tree-data-ref.h (loop_p): New.
4780 (struct data_dependence_relation): Replace size_vect field with
4781 loop_nest, a vec of loops.
4782 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4783 (DDR_LOOP_NEST): New.
4784 (print_dir_vectors, print_dist_vectors,
4785 debug_data_dependence_relation): Declared.
4786 (index_in_loop_nest): New.
4787 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4788 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4791 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4793 * simplify-rtx.c (simplify_relational_operation): Call
4794 simplify_relational_operation_1 even if mode is VOIDmode.
4796 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4798 PR tree-optimization/26804
4799 * tree.h (DECL_CALL_CLOBBERED): New macro.
4800 (tree_decl_common): Add call_clobbered_flag.
4801 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4802 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4803 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4804 (mark_non_addressable): Ditto.
4805 * tree-ssa.c (verify_call_clobbered): New function.
4806 (verify_alias_info): Use it.
4807 * tree-pass.h (pass_reset_cc_flags): New prototype.
4808 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4809 (reset_cc_flags): New function.
4810 * passes.c (init_optimization_passes): Call reset_cc_flags after
4811 initializing referenced_vars.
4813 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4814 Roger Sayle <roger@eyesopen.com>
4817 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4818 to 1.0 for non-real operands. Implement A / A optimization for
4821 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4823 * config/i386/i386.c (size_cost): Correct the comment for
4824 cost of storing fp registers.
4825 (i386_cost): Likewise.
4826 (i486_cost): Likewise.
4827 (pentium_cost): Likewise.
4828 (pentiumpro_cost): Likewise.
4829 (k6_cost): Likewise.
4830 (athlon_cost): Likewise.
4831 (k8_cost): Likewise.
4832 (pentium4_cost): Likewise.
4833 (nocona_cost): Likewise.
4834 (generic64_cost): Likewise.
4835 (generic32_cost): Likewise.
4837 2006-03-24 Denis Chertykov <denisc@overta.ru>
4839 * config/avr/avr-protos.h (extra_constraint): Delete.
4840 (extra_constraint_Q): New declaration.
4841 * config/avr/constraints.md: New file.
4842 * config/avr/avr.md: Include it.
4843 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4844 (TMP_REGNO, ZERO_REGNO): Likewise.
4845 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4846 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4847 (extra_constraint): Delete.
4848 (extra_constraint_Q): Test for memory constraint 'Q'.
4849 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4850 (REG_CLASS_FROM_LETTER): Delete.
4851 (CONST_OK_FOR_LETTER_P): Delete.
4852 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4853 (EXTRA_CONSTRAINT): Delete.
4854 (TMP_REGNO): Delete.
4855 (ZERO_REGNO): Delete.
4857 2006-03-24 Jeff Law <law@redhat.com>
4859 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4860 directly. Call mark_new_vars_to_rename slightly earlier.
4862 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4864 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4866 (gen_compile_unit_die): Use new language types for Objective-C and
4868 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4869 DW_LANG_C_plus_plus.
4872 * config/t-darwin (crt3.o): Work around bug 26840.
4873 * config/darwin-crt3.c: Rewrite.
4874 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4876 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4878 * doc/invoke.texi: Document -femit-class-debug-always
4879 * common.opt: Add -femit-class-debug-always.
4881 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4883 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4884 index and base register.
4885 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4886 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4887 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4888 REGNO_OK_FOR_INDEX_P.
4889 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4891 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4892 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4893 REG_OK_FOR_BASE_P): Definitions removed.
4895 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4898 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4899 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4900 set yet or weren't marked as local yet.
4902 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4904 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4907 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4909 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4910 (rs6000_legitimate_small_data_p): Delete.
4911 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4912 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4913 and make static. Add forward declaration. Update uses.
4914 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4915 of offsettable_memref_p.
4916 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4917 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4919 2006-03-24 Jeff Law <law@redhat.com>
4921 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4922 around bug in immediate-use iterator.
4924 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4927 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4928 or __LITTLE_ENDIAN__.
4930 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4932 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4933 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4934 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4935 * config/sh/sh.opt (mdiv=): Amend description.
4936 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4937 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4938 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4939 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4940 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4941 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4942 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4943 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4944 TARGET_DIVIDE_CALL_FP.
4946 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4948 * haifa-sched.c (choose_ready): Fix type of the local variable.
4949 Move local variables. Add comment.
4950 (check_reg_live): Change signature. Make callable from debugger.
4951 * sched-int.h (check_reg_live): Update signature.
4952 * sched-ebb.c (check_reg_live): Update parameters.
4953 * sched-rgn.c (check_reg_live): Ditto.
4954 (region_head_or_leaf_p): Check pointer before dereferencing.
4955 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4956 before reload on optimization levels below 1.
4958 2006-03-23 Richard Henderson <rth@redhat.com>
4960 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4964 * config/alpha/predicates.md (local_symbolic_operand): Reject
4967 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4970 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4971 expressions which have overflowed constants.
4973 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4975 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4977 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4979 * cfgloopmanip.c (create_loop_notes): Removed.
4980 * final.c (final_scan_insn): Do not handle loop notes.
4981 * jump.c (squeeze_notes): Ditto.
4982 * cfglayout.c (skip_insns_after_block,
4983 duplicate_insn_chain): Ditto.
4984 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4986 * cfgloop.h (create_loop_notes): Declaration removed.
4988 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4990 * varasm.c (output_constant_pool): Restore fnname and fndecl
4992 (assemble_start_function): Adjust call accordingly.
4993 (assemble_end_function): Likewise.
4995 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4998 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5001 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5003 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5006 * system.h (ICE_EXIT_CODE): New macro.
5007 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5008 (diagnostic_action_after_output): Likewise.
5009 * gcc.c (fatal_ice): New function.
5010 (execute): Use it instead of fatal.
5011 (fancy_abort): Likewise.
5012 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5014 2006-03-22 Jeff Law <law@redhat.com>
5016 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5017 iv_analyze_result returning false.
5019 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5021 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5023 2006-03-22 Richard Henderson <rth@redhat.com>
5026 * except.c (duplicate_eh_regions_0): New.
5027 (duplicate_eh_region_1): Duplicate the children of the node as
5028 well as the node itself. Link them up properly.
5029 (duplicate_eh_region_2): Merge into ...
5030 (duplicate_eh_regions): ... here. Take copy_region argument, and
5031 copy only a sub-tree if asked. Simplify copying and fixup.
5032 (eh_region_outer_p): New.
5033 * except.h (duplicate_eh_regions): Update decl.
5034 (eh_region_outer_p): Declare.
5035 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5036 (lower_omp_master): Likewise.
5037 (lower_omp_ordered): Likewise.
5038 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5039 (move_stmt_r): Use it to remap labels. Handle recursion vs
5040 remap_decls_p properly.
5041 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5042 (find_outermost_region_in_block): New.
5043 (new_label_mapper): New.
5044 (move_sese_region_to_fn): Copy eh information to the new function
5046 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5048 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5051 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5053 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5054 into shared libraries.
5056 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5058 * doc/md.texi: Refer to i386/constraints.md instead of
5060 * config/i386/constraints.md: New file, extracted from...
5061 * config/i386/predicates.md: ...here.
5062 * config/i386/i386.md: Include constraints.md.
5064 2006-03-21 Jason Merrill <jason@redhat.com>
5066 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5069 * expr.c (init_block_move_fn): Force default visibility.
5070 (init_block_clear_fn): Likewise.
5071 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5072 * targhooks.c (default_external_stack_protect_fail): Likewise.
5074 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5076 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5077 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5078 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5079 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5080 (loadgp): Use mips_current_loadgp_style.
5081 (loadgp_noshared): New pattern.
5082 (sibcall_internal): Use MIPS_CALL.
5083 (sibcall_value_internal): Likewise.
5084 (sibcall_value_multiple_internal): Likewise.
5085 (call_internal): Likewise.
5086 (call_value_internal): Likewise.
5087 (call_value_multiple_internal): Likewise.
5088 (call_split): Use MIPS_CALL and add an 'S' constraint.
5089 (call_value_split): Likewise.
5090 (call_value_multiple_split): Likewise.
5091 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5092 (-mshared): New option.
5093 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5094 (mips_current_loadgp_style): Declare.
5095 * config/mips/mips.c (mips_classify_symbol): Avoid using
5096 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5097 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5098 TARGET_ABSOLUTE_ABICALLS.
5099 (override_options): Adjust comments. Improve the warning that is
5100 issued when -mabicalls and -G are used together.
5101 (mips_file_start): Remove comment.
5102 (mips_current_loadgp_style): New function.
5103 (mips_gnu_local_gp): New variable.
5104 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5106 (mips_output_function_prologue): Use mips_current_laodgp_style.
5107 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5108 the cprestore instruction.
5109 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5110 live for TARGET_ABSOLUTE_ABICALLS.
5111 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5112 (ASM_SPEC): Pass down -mshared and -mno-shared.
5113 (MIPS_CALL): New macro.
5114 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5116 * doc/invoke.texi (-mabicalls): Update documentation.
5117 (-mshared): Document.
5119 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5121 * config/ia64/unwind-hpux.c: New file.
5122 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5124 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5127 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5129 2006-03-21 Jeff Law <law@redhat.com>
5131 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5132 type conversions of a VR_VARYING source to a wider type.
5134 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5136 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5137 tm_file on Solaris 10 and later.
5138 (sparc64-*-solaris2*): Likewise.
5139 (sparc-*-solaris2*): Likewise.
5140 * config/sol26.h: Rename to config/sol2-6.h.
5141 * config/sol2-10.h: New file.
5143 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5146 * tree-ssa-pre.c (create_component_ref_by_pieces):
5149 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5152 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5153 return it immediately.
5155 2006-03-21 Michael Matz <matz@suse.de>
5157 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5159 (remove_arc, add_arc): Update num_out_arcs member.
5160 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5162 (cache_presence): New function.
5163 (compare_states_for_equiv): New function.
5164 (state_is_differed): Don't take number of outargs, adjust callers.
5165 Use new invariant for speeding up.
5166 (init_equiv_class): Create initial classes based on sorted
5168 (partition_equiv_class): Don't track out_arcs_num.
5169 (evaluate_equiv_classes): Call cache_presence on all states and
5172 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5174 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5175 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5176 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5177 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5179 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5180 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5181 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5182 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5183 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5185 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5186 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5187 (REGNO_REG_CLASS): ARGP is in PREGS.
5188 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5190 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5191 to deal with those addresses.
5192 * addresses.h: New file.
5193 * caller-save.c: Include "addresses.h".
5194 (init_caller_save): Use new base_reg_class function.
5195 * rtl-factoring.c: Include "addresses.h".
5196 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5197 * recog.c: Include "addresses.h".
5198 (preprocess_constraints): Use new base_reg_class function.
5199 * regrename.c: Include "addresses.h".
5200 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5201 functions. Keep track of a new var INDEX_CODE to compute valid
5203 (replace_oldest_value_addr): Likewise.
5204 (replace_oldest_value_mem): Use base_reg_class.
5205 * reload.c: Include "addresses.h".
5206 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5207 (find_reloads): Use new base_reg_class function.
5208 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5209 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5210 all callers and prototype changed.
5211 * reload1.c: Include "addresses.h".
5212 (maybe_fix_stack_asms): Use base_reg_class.
5213 * regclass.c: Include "addresses.h".
5214 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5215 (init_reg_autoinc): Use new base_reg_class function.
5216 (record_reg_classes): Likewise.
5217 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5218 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5219 Use new args to compute necessary class.
5221 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5222 regrename.o, rtl-factoring.o): Update dependencies.
5223 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5224 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5225 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5226 REG_OK_FOR_INDEX_P): Delete documentation.
5228 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5230 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5231 from V7 to V9 for Solaris 7 and above.
5233 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5235 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5236 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5237 argument pointers may not alias any other storage.
5238 * common.opt: Define option -fargument-noalias-anything.
5239 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5240 alias semantics is specified by flag_argument_noalias > 2.
5242 2006-03-20 Jeff Law <law@redhat.com>
5244 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5245 (pass_phi_only_cprop): Declare.
5246 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5248 * tree-ssa-dom.c (degenerate_phi_result): New function.
5249 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5250 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5251 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5252 (eliminate_degenerate_phis): Likewise.
5253 (pass_phi_only_cprop): New pass descriptor.
5254 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5255 support code. Callers updated.
5256 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5257 (store_copy_prop): Likewise.
5258 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5260 2006-03-20 Jason Merrill <jason@redhat.com>
5263 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5264 (push_visibility, pop_visibility): Likewise.
5265 * c-pragma.h: Declare them.
5267 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5269 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5271 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5272 parameter and use get_ebb_head_tail.
5273 (sh_md_init_global): Adjust uses of find_regmode_weight.
5275 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5277 * function.h (struct function) <x_tail_recursion_reentry>:
5278 Rename to x_stack_check_probe_note.
5279 (tail_recursion_reentry): Rename to stack_check_probe_note.
5280 * function.c: Replace tail_recursion_reentry with
5281 stack_check_probe_note everywhere.
5282 (expand_function_start): Only emit a note for
5283 stack_check_probe_note with -fstack-protect.
5284 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5286 * emit-rtl.c (remove_unnecessary_notes): Remove.
5287 (pass_remove_unnecessary_notes): Remove.
5288 * rtl.h (remove_unnecessary_notes): Remove prototype.
5289 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5290 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5291 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5293 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5296 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5297 (valid_in_set): Handle ARRAY_REF.
5298 Change "if min_variant or VH" to asserts.
5299 (create_component_ref_by_pieces): Handle ARRAY_REF.
5300 (create_expression_by_pieces): Likewise.
5301 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5303 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5305 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5306 is operand of switch, not str[0].
5308 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5310 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5311 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5313 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5315 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5316 end of insn_extra_address_constraint declaration.
5318 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5320 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5321 (no-sum-in-toc): Same.
5322 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5324 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5325 NO_FP_IN_TOC for -fPIC instead of mask.
5327 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5328 (BOOT_LDFLAGS): Delete.
5330 * config/rs6000/t-aix52: Same.
5332 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5333 (stmsi[345678]_power): New.
5335 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5337 * config/ia64/ia64.opt: Add empty line to end of file.
5339 2006-03-17 Richard Guenther <rguenther@suse.de>
5342 * builtins.c (get_pointer_alignment): For component style references
5343 adjust alignment to the component type alignment. Make sure
5344 to adjust alignment for component access of constants.
5346 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5348 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5351 2006-03-17 Paul Brook <paul@codesourcery.com>
5353 * doc/install.texi: Docuemnt --with-mode.
5354 * config.gcc: Add --with-mode for arm*-*-*.
5355 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5357 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5359 * sh.c (max_labelno_before_reorg): New variable.
5360 (sh_reorg): Initialize it.
5361 (find_barrier): Check max_labelno_before_reorg before using
5362 label_to_alignment. Take length of explicit alignment insns
5363 into account. When seeing a UNSPECV_CONST_END, return it.
5365 * sh.c (fixup_mova): Set mode of affected label to QImode.
5366 (untangle_mova): New function.
5367 (find_barrier): Use it. Check mode of label before decrementing
5369 (sh_reorg): Likewise.
5370 Set mode of all insns back to VOIDmode.
5372 * sh.c (MOVA_LABELREF): New macro.
5373 (mova_p, fixup_mova, sh_reorg): Use it.
5374 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5375 ADDR_DIFF_VEC matches mova.
5377 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5379 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5380 with ATTRIBUTE_UNUSED.
5382 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5384 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5385 pointer, instead of assuming it is possible to derive the
5386 correct args size from a call insn.
5388 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5390 * rtl.h (CONST_INT_P): Define.
5391 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5392 instead of GET_CODE(x) == CONST_INT.
5393 (vax_rtx_costs): Likewise.
5394 (vax_output_int_move): Likewise.
5395 (vax_output_int_add): Likewise.
5396 (legitimate_constant_address_p): Likewise.
5397 (index_term_p): Likewise.
5398 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5399 * config/vax/vax.md (and<mode>3): Likewise.
5400 (ashrsi3): Likewise.
5402 (movstricthi): Likewise.
5403 (movstrictqi): Likewise.
5404 (rotrsi3): Likewise.
5405 (five unnamed insns): Likewise.
5407 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5409 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5410 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5411 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5412 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5413 Pass to ASM_OUTPUT_DWARF_OFFSET.
5414 * dwarf2out.c (debug_frame_section): New.
5415 (output_call_frame_info): Use debug_frame_section. Pass it to
5416 dw2_asm_output_offset.
5417 (output_die): Pass appropriate section to dw2_asm_output_offset.
5418 (output_compilation_unit_header): Likewise.
5419 (output_pubnames): Likewise.
5420 (output_aranges): Likewise.
5421 (enum dw_val_class): Break dw_val_class_lbl_offset into
5422 dw_val_class_lineptr and dw_val_class_macptr.
5423 (add_AT_lbl_offset): Delete.
5424 (add_AT_lineptr): New.
5425 (add_AT_macptr): New.
5426 (AT_lbl): Expect a lineptr or macptr.
5427 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5428 (attr_checksum): Likewise.
5429 (same_dw_val_p): Likewise.
5430 (size_of_die): Likewise.
5431 (value_format): Likewise.
5432 (output_die): Likewise.
5433 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5435 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5436 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5437 * config/darwin-protos.h (darwin_file_start): New.
5438 (darwin_asm_output_dwarf_offset): New.
5439 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5440 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5442 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5443 if not EH section; simplify.
5444 (darwin_file_start): New.
5445 (darwin_asm_output_dwarf_offset): New.
5446 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5448 (DEBUG_INFO_SECTION): Likewise.
5449 (DEBUG_ABBREV_SECTION): Likewise.
5450 (DEBUG_ARANGES_SECTION): Likewise.
5451 (DEBUG_MACINFO_SECTION): Likewise.
5452 (DEBUG_LINE_SECTION): Likewise.
5453 (DEBUG_LOC_SECTION): Likewise.
5454 (DEBUG_PUBNAMES_SECTION): Likewise.
5455 (DEBUG_STR_SECTION): Likewise.
5456 (DEBUG_RANGES_SECTION): Likewise.
5457 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5458 (ASM_OUTPUT_DWARF_OFFSET): New.
5460 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5462 * config.gcc (tm_defines): Always add to previous value rather
5465 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5467 * config/mips/predicates.md (splittable_const_int_operand): New,
5468 split from move_operand.
5469 (splittable_symbolic_operand): New.
5470 (move_operand): Add commentary. Use splittable_const_int_operand.
5471 Inline mips_atomic_symbolic_constant_p.
5472 * config/mips/mips.md: Add combine splitters for handling moves
5473 of splittable_const_int_operands and splittable_symbolic_operands.
5474 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5475 (mips_split_symbol): Declare.
5476 (mips_move_integer): Declare.
5477 * config/mips/mips.c (mips_split_p): Make global.
5478 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5479 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5480 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5481 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5482 (mips_offset_within_object_p): Handle block symbols.
5483 (mips_atomic_symbolic_constant_p): Delete.
5484 (mips_cannot_force_const_mem): Return false for constants that
5485 mips_legitimize_move can handle.
5486 (mips_use_blocks_for_constant_p): New function.
5487 (mips_split_symbol): Make global.
5488 (mips_move_integer): Likewise. Add a temporary register argument.
5489 (mips_legitimize_const_move): Use splittable_const_int_operand and
5490 splittable_symbolic_operand.
5491 (mips_use_anchors_for_symbol_p): New function.
5492 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5493 (mips_split_p): Declare.
5495 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5497 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5498 (mips*-*-linux*): Likewise.
5500 2006-03-16 Roger Sayle <roger@eyesopen.com>
5501 Daniel Speyer <dspeyer@wam.umd.edu>
5504 * tree-dump.c (dump_real): New function.
5505 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5506 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5507 (tree-dump.o): Add $(REAL_H) to the dependencies.
5509 2006-03-16 Roger Sayle <roger@eyesopen.com>
5512 * real.c (real_from_string): If the mantissa is zero, don't bother
5513 parsing the exponent as the result should always be zero.
5515 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5517 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5519 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5521 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5522 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5523 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5524 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5525 ia64_sched_finish_global): New static functions to implement
5526 hooks from gcc_target.sched.
5527 (spec_check_no, max_uid, pending_data_specs): New static variables.
5528 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5529 ia64_spec_check_src_p): New static functions.
5530 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5531 (TARGET_SCHED_ADJUST_COST): Removed.
5532 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5533 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5534 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5535 TARGET_SCHED_GEN_CHECK,
5536 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5537 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5538 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5539 Fixed to handle speculation checks.
5540 (rtx_needs_barrier): Fixed to handle speculative loads and
5542 (ia64_variable_issue): Added code to count speculative loads and their
5544 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5546 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5548 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5550 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5551 (ia64_reorg): Reset stops_p to NULL after it is freed.
5552 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5553 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5554 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5556 (data_speculative, control_speculative, check_load): New attributes.
5557 (mov<mode>_advanced, mov<mode>_speculative,
5558 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5559 zero_extend<mode>di2_speculative,
5560 zero_extend<mode>di2_speculative_advanced): New patterns for
5561 data and control speculative loads.
5562 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5564 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5565 New pattern for data and control speculation checks.
5566 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5567 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5568 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5569 Auxiliary definitions for the patterns.
5570 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5571 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5573 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5575 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5576 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5577 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5578 New resource constraints.
5579 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5581 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5582 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5583 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5584 msched-in-control-spec, msched-ldc, msched-control-ldc,
5585 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5586 msched-prefer-non-control-spec-insns,
5587 msched-count-spec-in-critical-path): New flags to tune speculative
5589 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5590 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5591 msched-in-control-spec, msched-ldc, msched-control-ldc,
5592 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5593 msched-prefer-non-control-spec-insns,
5594 msched-count-spec-in-critical-path): Document new flags.
5596 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5598 * target.h (struct spec_info_def): New opaque declaration.
5599 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5600 speculate_insn, needs_block_p, gen_check,
5601 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5602 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5603 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5604 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5605 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5606 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5608 (TARGET_SCHED): Use new macros.
5609 * rtl.h (copy_DEPS_LIST_list): New prototype.
5610 * sched-int.h (struct sched_info): Change signature of new_ready field,
5611 adjust all initializations. New fields: add_remove_insn,
5612 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5613 region_head_or_leaf_p.
5614 (struct spec_info_def): New structure declaration.
5615 (spec_info_t): New typedef.
5616 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5617 recovery_block, orig_pat.
5618 (glat_start, glat_end): New variables declaraions.
5619 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5621 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5622 DETACH_LIFE_INFO, USE_GLAT.
5623 (enum SPEC_SCHED_FLAGS): New enumeration.
5624 (NOTE_NOTE_BB_P): New macro.
5625 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5626 attach_life_info, debug_spec_status, check_reg_live): New functions.
5627 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5628 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5630 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5631 * ddg.c (get_block_head_tail): Adjust all uses.
5632 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5633 (sms_sched_info): Initialize new fields.
5634 (contributes_to_priority): Removed.
5635 * haifa-sched.c (params.h): New include.
5636 (get_block_head_tail): Adjust all uses.
5637 (ISSUE_POINTS): New macro.
5638 (glat_start, glat_end): New global variables.
5639 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5640 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5641 old_last_basic_block, before_recovery, current_sched_info_var,
5642 rgn_n_insns, luid): New static variables.
5643 (insn_cost1): New function. Move logic from insn_cost to here.
5644 (find_insn_reg_weight1): New function. Move logic from
5645 find_insn_reg_weight to here.
5646 (reemit_notes, move_insn, max_issue): Change signature.
5647 (move_insn1): Removed.
5648 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5649 extend_bb): New static functions to support extension of scheduler's
5651 (generate_recovery_code, process_insn_depend_be_in_spec,
5652 begin_speculative_block, add_to_speculative_block,
5653 init_before_recovery, create_recovery_block, create_check_block_twin,
5654 fix_recovery_deps): New static functions to support
5655 generation of recovery code.
5656 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5657 restore_bb_notes, move_block_after_check, move_succs): New static
5658 functions to support ebb scheduling.
5659 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5660 functions to support handling of register live information.
5661 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5662 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5663 add_jump_dependencies): New static functions.
5664 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5665 consistancy checking.
5666 (debug_spec_status): New function to call from debugger.
5667 (priority): Added code to handle speculation checks.
5668 (rank_for_schedule): Added code to distinguish speculative instructions.
5669 (schedule_insn): Added code to handle speculation checks.
5670 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5671 Fixed to handle ebbs.
5672 (move_insn): Added code to handle ebb scheduling.
5673 (max_issue): Added code to use ISSUE_POINTS of instructions.
5674 (choose_ready): Added code to choose between speculative and
5675 non-speculative instructions.
5676 (schedule_block): Added code to handle ebb scheduling and scheduling of
5677 speculative instructions.
5678 (sched_init): Initialize new variables.
5679 (sched_finish): Free new variables. Print statistics.
5680 (try_ready): Added code to handle speculative instructions.
5681 * lists.c (copy_DEPS_LIST_list): New function.
5682 * sched-deps.c (extend_dependency_caches): New function. Move logic
5683 from create_dependency_caches to here.
5684 (get_dep_weak, ds_merge): Make global.
5685 * genattr.c (main): Code to output prototype for
5686 dfa_clear_single_insn_cache.
5687 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5688 (output_dfa_clean_insn_cache_func): Code to output
5689 dfa_clear_single_insn_cache function.
5690 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5692 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5694 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5695 New static variables.
5696 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5697 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5699 (ebb_sched_info): Initialize new fields.
5700 (get_block_head_tail): Adjust all uses.
5701 (compute_jump_reg_dependencies): Fixed to use glat_start.
5702 (schedule_ebb): Code to remove unreachable last block.
5703 (schedule_ebbs): Added code to update register live information.
5704 * sched-rgn.c (region_sched_info): Initialize new fields.
5705 (get_block_head_tail): Adjust all uses.
5706 (last_was_jump): Removed. Adjust users.
5707 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5708 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5709 Implement new hooks.
5710 (check_dead_notes1): New static function.
5711 (struct region): New fields: dont_calc_deps, has_real_ebb.
5712 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5713 (BB_TO_BLOCK): Fixed to handle EBBs.
5714 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5715 (ebb_head): New static variable.
5716 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5717 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5719 (compute_dom_prob_ps): New assertion.
5720 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5721 global_live_at_start.
5722 (init_ready_list): New assertions.
5723 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5724 (new_ready): Add support for BEGIN_CONTROL speculation.
5725 (schedule_insns): Fixed code that updates register live information
5727 (schedule_region): Fixed to handle EBBs.
5728 (init_regions): Use extend_regions and check_dead_notes1.
5729 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5730 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5731 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5732 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5733 TARGET_SCHED_GEN_CHECK,
5734 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5735 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5736 * doc/invoke.texi (max-sched-insn-conflict-delay,
5737 sched-spec-prob-cutoff): Document.
5739 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5741 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5742 inter_tick, queue_index.
5743 (struct sched_info): Change signature of init_ready_list field.
5744 Adjust all initializations.
5745 (RESOLVED_DEPS): New access macro.
5746 (ready_add): Remove prototype.
5747 (try_ready): Add prototype.
5748 * sched-rgn.c (init_ready_list): Use try_ready.
5749 (schedule_region): Initialize
5750 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5751 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5752 (init_ready_list): Use try_ready.
5753 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5754 * lists.c (remove_list_elem): Remove `static'.
5755 (remove_free_INSN_LIST_elem): New function.
5756 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5757 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5758 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5760 (readyp): New variable.
5761 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5762 change_queue_index, resolve_dep): New static functions.
5763 (try_ready): New function. Adjust callers in sched-rgn.c and
5764 sched-ebb.c to use it instead of ready_add.
5765 (clock_var): Move at the begining of file.
5766 (rank_for_schedule): Fix typo.
5767 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5768 (ready_lastpos): Enforce assertion.
5769 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5771 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5772 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5773 (queue_to_ready): Use free_INSN_LIST_list.
5774 (early_queue_to_ready): Fix typo.
5775 (schedule_block): Init readyp. Move init_ready_list call after the
5776 initialization of clock_var. Fix error in rejecting insn by
5777 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5778 that previously corrected INSN_TICKs. Add code for handling
5780 (set_priorities): Fix typo.
5781 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5782 Clarify comment and code that keeps current_sched_info->next_tail
5785 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5787 * sched-rgn.c (extend_rgns): New static function.
5788 (find_rgns): Use it.
5789 (gather_region_statistics, print_region_statistics): New static
5791 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5792 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5794 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5795 Andrey Belevantsev <abel@ispras.ru>
5797 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5798 * lists.c (unused_deps_list): New variable.
5799 (free_list): Add assertions to verify the proper distinguishing
5800 between INSN_LISTs and DEPS_LISTs.
5801 (find_list_elem, remove_list_elem, remove_list_node): New static
5803 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5804 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5805 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5806 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5808 (free_INSN_LIST_node): Likewise.
5809 * modulo-sched.c (current_sched_info): Initialize flags field.
5810 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5811 * rtl.def (DEPS_LIST): Define.
5812 * rtl.h: Declare new functions from lists.c.
5813 * sched-deps.c (spec_dependency_cache): New static variable.
5814 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5815 (add_dependence): Change return type to void. Move the logic to ...
5816 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5817 (delete_all_dependences): Add comment about forward_dependency_cache.
5818 Handle spec_dependency_cache. Handle DEPS_LISTs.
5819 (fixup_sched_groups): Clarify the change of priority of output
5820 and anti dependencies.
5821 (sched_analyze_2): Adjust add_dependence calls to create data
5822 speculative dependence.
5823 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5824 Adjust all callers. Handle DEPS_LISTS.
5825 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5826 presence of speculation.
5827 (init_dependency_caches, free_dependency_caches):
5828 Handle spec_dependency_cache.
5829 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5830 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5831 New static functions.
5832 (add_or_update_back_dep, add_or_update_back_forw_dep,
5833 add_back_forw_dep, delete_back_forw_dep): New functions.
5834 * sched-int.h (ds_t, dw_t): New typedefs.
5835 (struct sched_info): Add new field flags.
5836 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5837 Prototype new sched-deps.c functions.
5838 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5839 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5840 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5841 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5842 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5843 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5845 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5847 * sched-rgn.c (current_sched_info): Initialize flags field.
5848 (schedule_insns): Initialize current_sched_info before the sched_init
5850 * sched-ebb.c (current_sched_info): Initialize flags field.
5851 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5852 Call add_or_update_back_dep instead of add_dependence.
5853 Create control speculative dependencies.
5854 (schedule_insns): Initialize current_sched_info before the sched_init
5857 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5859 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5861 (sh_fallback_frame_state): Likewise.
5863 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5865 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5866 Do switch on default_use_cxa_atexit.
5867 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5868 * config/darwin-crt3.o: New.
5869 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5870 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5871 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5873 * config/rs6000/t-darwin: Move crt2.o building to here.
5874 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5875 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5878 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5880 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5881 from '! xxx' to '!xxx' for coding-style conformance.
5882 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5883 (EXTRA_CONSTRAINT): Likewise.
5884 * config/vax/vax.md (four unnamed insns): Likewise.
5886 2006-03-15 Paul Brook <paul@codesourcery.com>
5888 * config/arm/arm.c (minipool_pad): New.
5889 (add_minipool_forward_ref): Include pool alignment padding in address
5891 (push_minipool_fix): Set minipool_pad.
5892 (minipool_pad): Ditto.
5894 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5896 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5897 instead of GET_CODE() == MEM and REG_P() instead of
5899 (print_operand_address): Likewise.
5900 (vax_address_cost): Likewise.
5901 (vax_rtx_costs): Likewise.
5902 (vax_notice_update_cc): Likewise.
5903 (vax_output_int_add): Likewise.
5904 (INDEX_REGISTER_P): Likewise.
5905 (BASE_REGISTER_P): Likewise.
5906 (nonindexed_address_p): Likewise.
5907 (vax_mode_dependent_address_p): Likewise.
5908 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5909 (PRINT_OPERAND): Likewise.
5910 * config/vax/vax.md (ashlsi3): Likewise.
5911 (ashlsi3): Likewise.
5912 (some more unnamed insns): Likewise.
5914 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5916 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5917 iterator-style macro.
5918 (mark_control_dependent_edges_necessary): Update the use of
5919 EXECUTE_IF_CONTROL_DEPENDENT.
5921 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5923 * config/sh/predicates.md (cache_address_operand): Special.
5924 (ua_address_operand): Likewise.
5926 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5928 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5930 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5932 2006-03-15 Andreas Schwab <schwab@suse.de>
5934 * gensupport.c (identify_predicable_attribute): Don't free p_false
5935 when it is still in use.
5937 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5939 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5940 the default setting here.
5942 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5944 * tree-pass.h (pass_cfg): Remove.
5945 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5946 * passes.c (pass_cfg): Don't run it.
5948 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5950 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5951 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5953 (stack_regs_mentioned): Update the uses of
5954 stack_regs_mentioned_data. Don't access the array beyond its
5956 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5957 Don't include gt-reg-stack.h.
5959 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5960 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5962 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5965 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5968 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5970 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5972 2006-03-14 Richard Guenther <rguenther@suse.de>
5974 PR tree-optimization/26672
5975 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5978 2006-03-14 Richard Guenther <rguenther@suse.de>
5980 PR tree-optimization/26667
5981 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5982 node for the callees. Always allow inlining if it will shrink
5985 2006-03-14 Richard Guenther <rguenther@suse.de>
5988 * builtins.c (get_pointer_alignment): Prefer alignment
5989 information from decls over that from types.
5991 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5994 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5996 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5998 * config/rs6000/rs6000.opt (mdlmzb): New option.
5999 (msched-prolog, msched-epilog): Use Var not Mask.
6000 * doc/invoke.texi (-mdlmzb): Document.
6001 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6003 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6004 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6006 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6008 PR rtl-optimization/25739
6009 * bt-load.c (augment_live_range): Free tos pointer.
6011 * gensupport.c (identify_predicable_attribute): Free
6013 * gcov.c (create_file_names): Free name pointer.
6015 2006-03-13 Roger Sayle <roger@eyesopen.com>
6018 * stmt.c (emit_case_nodes): Handle the case where the index is a
6019 CONST_INT, where the comparison mode is specified by the index type.
6021 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6023 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6026 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6028 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6029 (*branch_fp_inverted): Likewise.
6031 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6034 * omp-low.c (expand_omp_for_generic): Mark istart0
6035 and iend0 as addressable.
6037 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6039 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6041 2006-03-13 Jeff Law <law@redhat.com>
6043 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6044 virtual operands are interesting.
6045 (vrp_visit_stmt): Corresponding changes.
6047 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6049 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6051 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6052 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6053 * config/bfin/crti.S: Use it instead of __PIC__.
6054 * config/bfin/crtn.S: Likewise.
6056 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6057 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6059 Lose 'G' modifier for call operand.
6060 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6061 recognize 'G' modifier.
6063 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6066 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6067 * stmt.c (expand_case): Likewise.
6069 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6071 PR rtl-optimization/26254
6072 * loop-invariant.c (seq_insns_valid_p): New function.
6073 (move_invariant_reg): Only emit new code if it is valid.
6075 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6077 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6079 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6080 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6081 (commit_one_edge_insertion): Do not look for loop notes.
6083 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6085 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6086 flag_test_coverage out of loop.
6088 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6090 * final.c (shorten_branches): Remove outdated comment, and turn
6091 the if branch that guards it to continue.
6093 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6095 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6096 * cfgloop.h (struct loop): Remove unused fields.
6098 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6100 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6101 (-dL, -fdump-rtl-loop2): Update the dump file names
6103 * doc/invoke.texi: Update dump file names.
6105 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6107 * predict.c (estimate_probability): Remove.
6108 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6109 * basic-block.h (estimate_probability): Remove prototype.
6110 * passes.c (finish_optimization_passes): Dump branch prediction or
6111 profiling heuristics to the .profile tree dump.
6112 (init_optimization_passes): Unqueue pass_branch_prob.
6114 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6116 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6118 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6119 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6121 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6123 * function.h (frame_offset_overflow): Declare.
6124 * function.c (frame_offset_overflow): New function.
6125 (assign_stack_local_1): Call it to detect that the offset overflows.
6126 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6128 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6130 * config/sh/sh.c: Include alloc-pool.h.
6131 (label_ref_list_pool): New alloc pool.
6132 (label_ref_list_t): New type for lists of labels.
6133 (struct pool_node): Make wend a label_ref_list_t.
6134 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6136 (dump_table): Likewise.
6137 (sh_reorg): Set up the alloc pool before using add_constant and
6138 dump_table, and destroy it when finishing.
6140 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6142 * config/mips/mips.c: Remove redundant comment.
6144 2006-03-10 Jason Merrill <jason@redhat.com>
6147 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6148 the target was declared 'register'.
6150 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6152 * genpreds.c (write_insn_constraint_len): Change definition of
6153 insn_constraint_len to return size_t to match the declaration.
6155 2006-03-10 DJ Delorie <dj@redhat.com>
6157 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6159 (m32c_expand_insv): Fix test for an AND mask.
6161 2006-03-10 Richard Guenther <rguenther@suse.de>
6164 * builtins.c (get_pointer_alignment): Handle component
6165 references for field alignment.
6167 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6169 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6170 when building with libgloss.
6171 (sh*elf): Implement --without-fp option.
6172 (sh64-superh-linux*): Don't multilib.
6174 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6176 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6178 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6180 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6181 Set it when one of the replacement functions returned true.
6182 Return TODO_cleanup_cfg if cfgchanged is true.
6183 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6185 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6187 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6188 instead of gen_lowpart.
6190 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6192 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6194 (mips_output_order_conditional_branch): Declare.
6195 * config/mips/mips.h (MIPS_BRANCH): New macro.
6196 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6197 for the comparison. Use gen_condjump.
6198 (mips_output_conditional_branch): Rework interface to take the
6199 asm templates for a direct branch and the inverse of a direct branch.
6200 (mips_output_order_conditional_branch): New function.
6201 (mips_builtin_branch_and_move): New function.
6202 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6203 branch condition. Use gen_single_cc as the condition for
6204 __builtin_mips_upper_* or __builtin_mips_lower_*.
6205 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6206 Use VOIDmode for the branch condition.
6207 * config/mips/predicates.md (order_operator): New predicate.
6208 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6209 (branch_fp): Rename to...
6210 (*branch_fp): ...this. Remove mode from comparison operator.
6211 Use new mips_output_conditional_branch interface.
6212 (branch_fp_inverted): Rename to...
6213 (*branch_fp_inverted): ...this and update as for *branch_fp.
6214 (*branch_zero<mode>): Rename to...
6215 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6216 Use mips_output_order_conditional_branch. Only accept ordered
6218 (*branch_zero<mode>_inverted): Rename to...
6219 (*branch_order<mode>_inverted): ...this and update as for
6220 *branch_order<mode>.
6221 (*branch_equality<mode>): Accept zero as the second operand to
6222 the equality operator. Use the new mips_output_conditional_branch
6224 (*branch_equality<mode>_inverted): Likewise.
6225 (condjump): New expander.
6226 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6228 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6229 (bc1any2t, bc1any2f): Likewise.
6230 (single_cc): New expander.
6231 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6233 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6235 * doc/md.texi: Update documentation of MIPS constraints.
6236 * config/mips/constraints.md: New file.
6237 * config/mips/mips.md: Include it.
6238 * config/mips/mips.c (mips_char_to_class): Delete.
6239 (override_options): Don't initialize mips_char_to_class.
6240 * config/mips/mips.h (mips_char_to_class): Delete.
6241 (REG_CLASS_FROM_LETTER): Delete.
6242 (CONST_OK_FOR_LETTER_P): Delete.
6243 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6244 (EXTRA_CONSTRAINT_Y): Delete.
6245 (EXTRA_CONSTRAINT_STR): Delete.
6246 (CONSTRAINT_LEN): Delete.
6247 (EXTRA_MEMORY_CONSTRAINT): Delete.
6249 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6251 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6252 original fn's eh regions.
6254 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6256 * fold-const.c (build_range_check): Make sure to use a valid type to
6257 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6260 (range_predecessor): New static function.
6261 (range_successor): Likewise.
6262 (merge_ranges): Use them to compute predecessors and successors of
6265 2006-03-09 Roger Sayle <roger@eyesopen.com>
6268 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6269 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6271 2006-03-08 DJ Delorie <dj@redhat.com>
6273 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6274 (addpsi3): Expand to include memory operands. Remove
6275 reload-specific splits.
6276 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6277 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6278 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6279 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6280 (shift1_qi, shift1_hi, insv): New.
6281 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6282 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6283 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6285 * config/m32c/m32c-protos.h: Update as needed.
6286 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6287 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6288 Fail for unrecognized R* constraints.
6289 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6290 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6291 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6293 (m32c_init_libfuncs): New.
6294 (m32c_legitimate_address_p): Add debug wrapper.
6295 (m32c_rtx_costs): New.
6296 (m32c_address_cost): New.
6297 (conversions): Add 'B' prefix.
6298 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6299 operands, or word regnames for QI operands. 'B' prints bit
6301 (m32c_expand_setmemhi): New.
6302 (m32c_expand_movmemhi): New.
6303 (m32c_expand_movstr): New.
6304 (m32c_expand_cmpstr): New.
6305 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6306 (m32c_expand_neg_mulpsi3): Handle non-ints.
6307 (m32c_cmp_flg_0): New.
6308 (m32c_expand_movcc): New.
6309 (m32c_expand_insv): New.
6310 (m32c_scc_pattern): New.
6311 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6312 a0/a1 out of SIregs.
6313 (STORE_FLAG_VALUE): New.
6314 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6317 * config/m32c/mov.md: Make constraints more liberal.
6318 (zero_extendqihi2): Optimize r0/r1 case.
6319 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6320 * config/m32c/predicates.md (m32c_any_operand): New.
6321 (m32c_nonimmediate_operand): New.
6322 (m32c_hl_operand): New.
6323 (m32c_r3_operand): New.
6326 (memsym_operand): New.
6327 (memimmed_operand): New.
6328 (a_qi_operand): New.
6329 (m32c_eqne_operator): New.
6330 (m32c_1bit8_operand): New.
6331 (m32c_1bit16_operand): New.
6332 (m32c_1mask8_operand): New.
6333 (m32c_1mask16_operand): New.
6334 * config/m32c/blkmov.md: New file.
6335 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6337 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6339 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6340 unsigned to fix signed/unsigned comparison issue in
6341 DWARF2_FRAME_REG_OUT.
6342 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6343 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6345 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6346 of ptr into the ENABLE_CHECKING section.
6348 2006-03-08 Jeff Law <law@redhat.com>
6350 * tree-vrp.c (infer_value_range): Only count pointer uses
6351 and dereferences if -fdelete-null-pointer-checks is enabled.
6353 * tree-vrp.c (find_assert_locations): Infer value ranges for
6354 single use pointers, but do not create ASSERT_EXPRs for them.
6355 When a non-null range is inferred for a pointer, backwards
6356 propagate that range to other equivalent pointers through the
6359 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6362 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6363 language hook targets.
6364 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6365 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6366 if language hook targets were missing.
6368 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6370 * tree-ssa-opfinalize.h: Removed.
6371 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6373 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6374 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6375 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6376 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6377 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6378 finalize_ssa_v_must_def_ops): New.
6380 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6382 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6385 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6387 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6389 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6390 addresses with offsets; reorganize.
6392 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6393 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6394 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6396 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6399 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6401 2006-03-08 Ben Elliston <bje@au.ibm.com>
6403 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6405 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6408 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6411 2006-03-07 Richard Guenther <rguenther@suse.de>
6413 PR tree-optimization/26587
6414 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6416 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6418 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6420 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6422 * hooks.c (hook_bool_mode_rtx_true): New function.
6423 * hooks.h (hook_bool_mode_rtx_true): Declare.
6424 * toplev.c (compile_file): Call output_shared_constant_pool.
6425 * varasm.c (shared_constant_pool): New variable.
6426 (assemble_start_function, assemble_end_function): Remove arguments
6427 from call to output_constant_pool.
6428 (create_constant_pool): New function, split out from...
6429 (init_varasm_status): ...here.
6430 (force_const_mem): Choose between the shared and per-function constant
6431 pools. Set current_function_uses_const_pool when reusing old entries
6432 as well as when creating new ones.
6433 (mark_constant): Ignore data argument.
6434 (mark_constants): Remove pool argument.
6435 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6436 to decide whether the function uses a constant pool.
6437 (output_constant_pool_contents): New function, split out from...
6438 (output_constant_pool): ...here.
6439 (output_shared_constant_pool): New function.
6440 (init_varasm_once): Initialize shared_constant_pool.
6441 * output.h (output_constant_pool): Delete.
6442 (output_shared_constant_pool): Declare.
6443 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6444 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6446 2006-03-06 Nick Clifton <nickc@redhat.com>
6448 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6449 flag_strength_reduce.
6451 2006-03-06 Ben Elliston <bje@au.ibm.com>
6453 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6454 x86_64-*-linux* configurations.
6456 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6457 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6459 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6461 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6463 * basic-block.h: Remove the extern for
6464 rediscover_loops_after_threading.
6466 * cfgloop.c (cancel_loop): Make it static.
6467 * cfgloop.h: Remove the prototype for cancel_loop.
6469 * flow.c (recompute_reg_usage): Make it static.
6470 * rtl.h: Remove the prototype for recompute_reg_usage.
6472 * function.c (use_return_register): Make it static.
6473 * function.h: Remove the prototype.
6475 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6477 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6479 * recog.h: Remove the prototype for
6480 validate_change_maybe_volatile.
6482 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6484 * rtlanal.c (replace_reg): Remove.
6485 * rtl.h: Remove the prototype for replace_reg.
6487 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6489 * regclass.c (reg_scan_update): Remove.
6490 (reg_scan_mark_refs): Remove the last argument.
6491 * rtl.h: Remove the prototype for reg_scan_update.
6493 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6495 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6496 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6497 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6498 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6499 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6500 loop-invariant.c, omp-low.c, opts.c, passes.c,
6501 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6502 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6503 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6504 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6505 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6506 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6508 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6510 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6511 * dwarf2out.h: Remove the prototype for
6512 dwarf2out_add_library_unit_info.
6514 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6516 * tree.c (add_var_to_bind_expr): Remove.
6517 * tree.h: Remove the prototype for add_var_to_bind_expr.
6519 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6521 * regclass.c (n_non_fixed_regs): Remove.
6522 (init_reg_sets_1, globalize_reg): Remove all uses of
6524 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6526 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6528 * rtlanal.c (insns_safe_to_move_p): Remove.
6529 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6531 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6533 * expmed.c (expand_mult_add): Remove.
6534 * expr.h: Remove the prototype for expand_mult_add.
6536 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6538 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6539 and REG_SAVED_VAL_EXP constants.
6540 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6541 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6542 Handle regs stored by value.
6543 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6544 (execute_cfa_program): Handle DW_CFA_val_offset,
6545 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6546 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6547 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6548 (uw_install_context_1): Handle target regs stored by value.
6550 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6552 * tree-sra.c (tree_sra): Return todoflags;
6553 (generate_one_element): Set TODO_update_smt_usage if needed.
6554 (pass_sra): Remove TODO_update_smt_usage.
6555 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6557 (tree_ssa_forward_propagate_single_use_vars): Return
6558 TODO_update_smt_usage if we need to update SMT usage.
6559 (pass_forwprop): Remove TODO_update_smt_usage.
6561 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6563 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6564 (correct_use_link): Remove reference to get_stmt_operands.
6565 (update_stmt_operands): Likewise.
6566 (get_modify_expr_operands): New function factored out of
6567 parse_ssa_operands and get_expr_operands.
6568 Try to create V_MUST_DEFs for LHS by default.
6569 (get_expr_operands) <case MODIFY_EXPR>: Call
6570 get_modify_expr_operands.
6571 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6572 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6573 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6574 get_modify_expr_operands.
6576 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6578 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6579 * tree-flow.h: Remove the prototype for
6580 referenced_var_lookup_if_exists.
6582 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6584 PR rtl-optimization/26345
6586 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6588 2006-03-03 Roger Sayle <roger@eyesopen.com>
6590 PR tree-optimization/26524
6591 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6592 fold_convert to create a constant of the appropriate type.
6594 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6596 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6597 SYMBOL_REF_IN_BLOCK_P.
6598 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6599 of SYMBOL_FLAG_IN_BLOCK.
6600 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6601 instead of SYMBOL_REF_IN_BLOCK_P.
6602 * explow.c (use_anchored_address): Likewise.
6603 * rtl.c (rtx_size): Likewise.
6604 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6605 instead of SYMBOL_FLAG_IN_BLOCK.
6606 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6607 SYMBOL_REF_IN_BLOCK_P.
6608 (assemble_variable): Likewise.
6609 (output_constant_def_contents): Likewise.
6610 (output_constant_pool): Likewise.
6611 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6612 instead of SYMBOL_FLAG_IN_BLOCK.
6613 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6614 SYMBOL_REF_IN_BLOCK_P.
6615 (SYMBOL_REF_BLOCK): Likewise.
6616 (SYMBOL_REF_OFFSET): Likewise.
6617 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6618 SYMBOL_REF_IN_BLOCK_P.
6619 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6620 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6621 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6622 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6624 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6626 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6628 2006-03-02 Roger Sayle <roger@eyesopen.com>
6630 * simplify-rtx.c (simplify_unary_operation): When simplifying
6631 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6632 that we perform the right shift in the appropriate mode, and
6633 then extend or truncate the result to requested mode.
6635 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6637 * gengtype.c (main): Handle double_int type.
6638 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6639 * double-int.c: New file.
6640 * double-int.h: New file.
6641 * system.h: Include doubleint.h.
6642 * Makefile.in (SYSTEM_H): Include double-int.h.
6643 (double-int.o): Add.
6645 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6648 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6651 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6653 * tree-vrp.c (remove_range_assertions): Do not update statements
6656 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6658 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6660 * gcse.c (rest_of_handle_gcse): Ditto.
6661 * except.c (gate_handle_eh): Ditto.
6662 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6663 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6665 2006-03-02 Eric Christopher <echristo@apple.com>
6667 * config/i386/i386.c (machopic_output_stub): Add indirection to
6670 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6674 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6676 Sun Niagara specific optimizations.
6677 * config.gcc: Recognize niagara as target.
6678 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6679 (TARGET_CPU_niagara): Define.
6680 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6681 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6682 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6683 (ASM_CPU_SPEC): Likewise.
6684 (PROCESSOR_NIAGARA): New enum entry.
6685 (REGISTER_MOVE_COST): Handle Niagara.
6686 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6687 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6688 (sparc_override_options): Recognize "niagara", set appropriate
6689 default MASK_* values for it, and align functions to 32-bytes
6690 by default just like ULTRASPARC/ULTRASPARC3.
6691 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6692 (sparc64_initialize_trampoline): Likewise.
6693 (sparc_use_sched_lookahead): Use zero for niagara.
6694 (sparc_issue_rate): Use one for niagara.
6695 * config/sparc/niagara.md: New file.
6696 * config/sparc/sparc.md: Include it.
6697 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6698 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6699 when default cpu is niagara.
6700 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6701 (ASM_CPU_SPEC): Likewise.
6702 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6703 when default cpu is niagara.
6704 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6705 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6706 just like v9/ultrasparc/ultrasparc3.
6707 * doc/invoke.texi: Add documentation for "niagara" and improve
6708 existing documentation for ultrasparc variants.
6710 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6712 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6714 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6716 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6717 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6718 and say that only one is needed.
6719 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6720 * target.h (have_switchable_bss_sections): New hook.
6721 * explow.c (use_anchored_address): Check that the symbol is in a block.
6722 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6723 (bss_noswitch_section): New variables.
6724 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6725 (get_noswitch_section): New function.
6726 (get_block_for_section): Allow SECT to be null.
6727 (unlikely_text_section_p): Use SECTION_STYLE.
6728 (bss_initializer_p): New function.
6729 (get_variable_section): Move earlier in file. Take a new argument,
6730 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6731 Return one of the new *_sections in such cases.
6732 (get_block_for_decl): New function, extracting some logic from
6733 use_blocks_for_decl_p.
6734 (change_symbol_section): Remove in favor of...
6735 (change_symbol_block): ...this new function.
6736 (use_blocks_for_decl_p): Remove checks now performed by
6738 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6739 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6740 (emit_local, emit_bss, emit_common): ...these new functions.
6741 Return true if the alignment was honored.
6742 (emit_tls_common): New function.
6743 (asm_emit_uninitialised): Delete.
6744 (assemble_variable_noswitch): New function, split out from...
6745 (assemble_variable): ...here. Don't make decisions about common
6746 variables here. Globalize all public decls that go into non-common
6747 sections. Check whether SYMBOL_REF_BLOCK is null.
6748 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6749 (output_constant_pool): Likewise.
6750 (init_varasm_once): Initialize the new section variables.
6751 (have_global_bss_p): New function.
6752 (categorize_decl_for_section): Use bss_initializer_p.
6753 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6754 (place_block_symbol): Assert that the symbol must be in a block.
6755 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6756 (TARGET_INITIALIZER): Include it.
6757 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6758 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6759 (SECTION_MACH_DEP): Bump by two.
6760 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6761 (unnamed_section): Mention SECTION_UNNAMED in comment.
6762 (named_section): Likewise SECTION_NAMED.
6763 (noswitch_section_callback): New type.
6764 (noswitch_section): New structure.
6765 (section): Add a noswitch_section alternative.
6766 (SECTION_STYLE): New macro.
6767 (tls_comm_section, comm_section, lcomm_section): Declare.
6768 (bss_noswitch_section, have_global_bss_p): Declare.
6769 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6770 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6772 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6773 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6776 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6778 * tree-vrp.c (execute_vrp): Return value.
6779 * regrename.c (rest_of_handle_regrename): Ditto.
6780 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6781 * tree-complex.c (tree_lower_complex): Ditto.
6782 (tree_lower_complex_O0): Ditto.
6783 * tracer.c (rest_of_handle_tracer): Ditto.
6784 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6785 * postreload.c (rest_of_handle_postreload): Ditto.
6786 * tree-tailcall.c (execute_tail_recursion): Ditto.
6787 (execute_tail_calls): Ditto.
6788 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6789 * tree.h (init_function_for_compilation): Ditto.
6790 * ipa-cp.c (ipcp_driver): Ditto.
6791 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6792 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6793 * final.c (compute_alignments): Ditto.
6794 (rest_of_handle_final): Ditto.
6795 (rest_of_handle_shorten_branches): Ditto.
6796 (rest_of_clean_state): Ditto.
6797 * omp-low.c (execute_expand_omp): Ditto.
6798 (execute_lower_omp): Ditto.
6799 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6800 * ipa-reference.c (static_execute): Ditto.
6801 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6802 * reorg.c (rest_of_handle_delay_slots): Ditto.
6803 (rest_of_handle_machine_reorg): Ditto.
6804 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6805 * flow.c (recompute_reg_usage): Ditto.
6806 (rest_of_handle_remove_death_notes): Ditto.
6807 (rest_of_handle_life): Ditto.
6808 (rest_of_handle_flow2): Ditto.
6809 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6810 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6811 (do_ssa_store_ccp): Ditto.
6812 (execute_fold_all_builtins): Ditto.
6813 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6814 * modulo-sched.c (rest_of_handle_sms): Ditto.
6815 * ipa-pure-const.c (static_execute): Ditto.
6816 * cse.c (rest_of_handle_cse): Ditto.
6817 (rest_of_handle_cse2): Ditto.
6818 * web.c (rest_of_handle_web): Ditto.
6819 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6820 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6821 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6822 * tree-nrv.c (tree_nrv): Ditto.
6823 (execute_return_slot_opt): Ditto.
6824 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6825 (create_structure_vars): Ditto.
6826 * loop-init.c (rtl_loop_init): Ditto.
6827 (rtl_loop_done): Ditto.
6828 (rtl_move_loop_invariants): Ditto.
6829 (rtl_unswitch): Ditto.
6830 (rtl_unroll_and_peel_loops): Ditto.
6831 (rtl_doloop): Ditto.
6832 * gimple-low.c (lower_function_body): Ditto.
6833 (mark_used_blocks): Ditto.
6834 * tree-ssa-sink.c (execute_sink_code): Ditto.
6835 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6836 (cgraph_early_inlining): Ditto.
6837 * global.c (rest_of_handle_global_alloc): Ditto.
6838 * jump.c (cleanup_barriers): Ditto.
6839 (purge_line_number_notes): Ditto.
6840 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6841 (rest_of_handle_if_after_reload): Ditto.
6842 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6843 (tree_ssa_loop_im): Ditto.
6844 (tree_ssa_loop_unswitch): Ditto.
6845 (tree_vectorize): Ditto.
6846 (tree_linear_transform): Ditto.
6847 (tree_ssa_loop_ivcanon): Ditto.
6848 (tree_ssa_empty_loop): Ditto.
6849 (tree_ssa_loop_bounds): Ditto.
6850 (tree_complete_unroll): Ditto.
6851 (tree_ssa_loop_prefetch): Ditto.
6852 (tree_ssa_loop_ivopts): Ditto.
6853 (tree_ssa_loop_done): Ditto.
6854 * predict.c (tree_estimate_probability): Ditto.
6855 * recog.c (split_all_insns_noflow): Ditto.
6856 (rest_of_handle_peephole2): Ditto.
6857 (rest_of_handle_split_all_insns): Ditto.
6858 * tree-eh.c (lower_eh_constructs): Ditto.
6859 * regmove.c (rest_of_handle_regmove): Ditto.
6860 (rest_of_handle_stack_adjustments): Ditto.
6861 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6862 * function.c (instantiate_virtual_regs): Ditto.
6863 (init_function_for_compilation): Ditto.
6864 (rest_of_handle_check_leaf_regs): Ditto.
6865 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6866 (rest_of_handle_gcse): Ditto.
6867 * ipa-type-escape.c (type_escape_execute): Ditto.
6868 * alias.c (rest_of_handle_cfg): Ditto.
6869 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6870 * profile.c (rest_of_handle_branch_prob): Ditto.
6871 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6872 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6873 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6874 * tree-dfa.c (find_referenced_vars): Ditto.
6875 * except.c (set_nothrow_function_flags): Ditto.
6876 (convert_to_eh_region_ranges): Ditto.
6877 (rest_of_handle_eh): Ditto.
6878 * emit-rtl.c (unshare_all_rtl): Ditto.
6879 (remove_unnecessary_notes): Ditto.
6880 * except.h (set_nothrow_function_flags): Ditto.
6881 (convert_to_eh_region_ranges): Ditto.
6882 * cfgexpand.c (tree_expand_cfg): Ditto.
6883 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6884 * tree-ssa-pre.c (do_pre): Ditto.
6885 (execute_fre): Ditto.
6886 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6887 (rest_of_handle_jump2): Ditto.
6888 * tree-sra.c (tree_sra): Ditto.
6889 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6890 (execute_mudflap_function_decls): Ditto.
6891 * tree-ssa-copy.c (do_copy_prop): Ditto.
6892 (do_store_copy_prop): Ditto.
6893 * ipa-prop.h (ipcp_driver): Ditto.
6894 * cfglayout.c (insn_locators_initialize): Ditto.
6895 * tree-ssa-forwprop.c
6896 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6897 * cfglayout.h (insn_locators_initialize): Ditto.
6898 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6899 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6900 (execute_late_warn_uninitialized): Ditto.
6901 * rtl.h (cleanup_barriers): Ditto.
6902 (split_all_insns_noflow): Ditto.
6903 (purge_line_number_notes): Ditto.
6904 (unshare_all_rtl): Ditto.
6905 (remove_unnecessary_notes): Ditto.
6906 (recompute_reg_usage): Ditto.
6907 (variable_tracking_main): Ditto.
6908 * integrate.c (emit_initial_value_sets): Ditto.
6909 * integrate.h (emit_initial_value_sets): Ditto.
6910 * tree-optimize.c (execute_free_datastructures): Ditto
6911 (execute_free_cfg_annotations): Ditto.
6912 (execute_fixup_cfg): Ditto.
6913 (execute_cleanup_cfg_pre_ipa): Ditto.
6914 (execute_cleanup_cfg_post_optimizing): Ditto.
6915 (execute_init_datastructures): Ditto.
6916 * tree-object-size.c (compute_object_sizes): Ditto.
6917 * combine.c (rest_of_handle_combine): Ditto.
6918 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6919 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6920 (rest_of_handle_reorder_blocks): Ditto.
6921 (rest_of_handle_partition_blocks): Ditto.
6922 * var-tracking.c (variable_tracking_main): Ditto.
6923 * tree-profile.c (tree_profiling): Ditto.
6924 * tree-vect-generic.c (expand_vector_operations): Ditto.
6925 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6926 * sched-rgn.c (rest_of_handle_sched): Ditto.
6927 (rest_of_handle_sched2): Ditto.
6928 * basic-block.h (free_bb_insn): Ditto.
6929 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6930 * tree-cfg.c (execute_build_cfg): Ditto.
6931 (remove_useless_stmts): Ditto.
6932 (split_critical_edges): Ditto.
6933 (execute_warn_function_return): Ditto.
6934 (execute_warn_function_noreturn): Ditto.
6935 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6936 * cfgrtl.c (free_bb_for_insn): Ditto.
6937 * passes.c (execute_one_pass): Run additional
6938 todos returned by execute function.
6939 * tree-pass.h (struct tree_opt_pass): Make execute
6942 2006-03-02 Richard Guenther <rguenther@suse.de>
6944 * tree-ssa-alias.c (find_used_portions): Consider taking
6945 the address as making the variable not write-only.
6947 2006-03-02 Nick Clifton <nickc@redhat.com>
6949 * config.gcc (default_use_cxa_atexit): Extend the description of
6950 this configure variable. Set its default value to "yes" for
6951 Linux, NetBSD and ELF targets on the assumption that they will
6952 use C libraries with the __cxa_atexit function.
6954 2006-03-02 Ben Elliston <bje@au.ibm.com>
6956 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6957 parameter as unused to suppress a build warning.
6959 2006-03-02 Ben Elliston <bje@au.ibm.com>
6961 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6964 2006-03-01 Roger Sayle <roger@eyesopen.com>
6967 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6968 declared name, the weak reference name, and the typeof name.
6969 (__gthrw): Avoid expanding the declared name suffix.
6970 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6972 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6974 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6976 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6977 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6978 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6979 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6980 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6981 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6982 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6983 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6984 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6985 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6986 (DW_END_default, DW_END_big, DW_END_little): New.
6987 (DW_END_lo_user, DW_END_hi_user): Define.
6988 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6989 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6990 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6993 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6995 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6997 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6999 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7001 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7003 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7004 to 'symbol_mem_tag'.
7006 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7009 2006-03-01 Roger Sayle <roger@eyesopen.com>
7011 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7013 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7016 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7017 MACHO_DYNAMIC_NO_PIC_P.
7018 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7020 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7023 * config/darwin-protos.h (darwin_asm_output_anchor):
7025 * config/darwin-sections.def (cstring_section):
7026 Add SECTION_MERGE to the flags.
7027 (literal4_section): Likewise.
7028 (literal8_section): Likewise.
7029 (objc_selector_refs_section): Likewise.
7030 (objc_cls_refs_section): Likewise.
7031 * config/darwin.c (darwin_asm_output_anchor): New
7033 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7035 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7037 Fix PR tree-optimization/26443
7038 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7039 to todo and PROP_tmt_usage to properties_destroyed.
7040 * tree-ssa-ccp.c (pass_ccp): Ditto.
7041 (pass_store_ccp): Ditto.
7042 * tree-ssa-dom.c (pass_dominator): Ditto.
7044 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7046 * tree-ssa-operands.c: Cleanup whitespace.
7047 (get_asm_expr_operands): Move before first invocation.
7048 (get_indirect_ref_operands): Likewise.
7049 (get_tmr_operands): Likewise.
7050 (get_call_expr_operands): Likewise.
7051 (append_def): Likewise.
7052 (append_use): Likewise.
7053 (append_v_may_def): Likewise.
7054 (append_v_must_def): Likewise.
7055 (add_call_clobber_ops): Likewise.
7056 (add_call_read_ops): Likewise.
7057 (add_stmt_operand): Likewise.
7058 (add_virtual_operand): Likewise.
7059 (build_ssa_operands): Likewise.
7061 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7066 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7067 with a call expr to ...
7068 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7070 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7072 * tree-vrp.c (extract_range_from_assert): Remove special
7073 handling for types with super-types.
7075 2006-03-01 Ben Elliston <bje@au.ibm.com>
7077 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7078 and powerpc64-*-linux* configurations.
7079 * config/t-dfprules: New file.
7081 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7082 Compile dfp-bit.c from the source directory using -DWIDTH and
7083 $DFP_CFLAGS to control the compilation of that file, rather than
7084 generating width-specific versions in the build directory.
7085 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7086 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7088 2006-02-28 Zack Weinberg <zackw@panix.com>
7090 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7093 2006-02-28 Eric Christopher <echristo@apple.com>
7095 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7096 Set up IN_LIBGCC definition of TARGET_64BIT.
7097 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7099 2006-02-28 Roger Sayle <roger@eyesopen.com>
7102 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7103 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7104 cases via the construction of "expr != 0".
7106 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7108 * alias.c (alias_invariant, alias_invariant_size): Remove.
7109 (record_base_value): Remove.
7110 (memrefs_conflict_p): Don't look at alias_invariant.
7111 (end_alias_analysis): Don't free it.
7112 * alias.h (record_base_value): Remove prototype.
7114 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7115 Adam Nemet <anemet@caviumnetworks.com>
7117 * rtl.h (truncated_to_mode): Declare it.
7118 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7119 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7120 (RTL_HOOKS_INITIALIZER): Include it.
7121 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7122 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7123 reg_truncated_to_mode.
7124 * rtlanal.c (truncated_to_mode): Define it.
7125 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7127 2006-02-28 Jeff Law <law@redhat.com>
7129 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7130 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7131 the range allowed by TYPE_PRECISION.
7133 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7135 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7137 PR tree-optimization/26419
7138 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7141 2006-02-27 Zack Weinberg <zackw@panix.com>
7143 * doc/md.texi: Fix typo in previous change.
7145 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7149 2006-02-27 Zack Weinberg <zackw@panix.com>
7151 * rtl.def (define_constraint, define_register_constraint)
7152 (define_memory_constraint, define_address_constraint): New MD forms.
7153 * gensupport.c (process_rtx): Put define_constraint etc on the
7155 * genpreds.c (process_define_predicate): Adjust comment. Validate
7156 the name, and call validate_exp to validate the expression.
7157 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7158 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7159 all callers changed.
7160 (validate_exp, needs_variable, struct constraint_data)
7161 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7162 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7163 (const_dbl_constraints, constraint_max_namelen)
7164 (have_register_constraints, have_memory_constraints)
7165 (have_address_constraints, have_address_constraints)
7166 (have_extra_constraints, have_const_int_constraints)
7167 (have_const_dbl_constraints, mangle, add_constraint)
7168 (process_define_constraint, process_define_register_constraint)
7169 (write_enum_constraint_num, write_lookup_constraint)
7170 (write_insn_constraint_len, write_regclass_for_constraint)
7171 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7172 (write_insn_extra_memory_constraint)
7173 (write_insn_extra_address_constraint)
7174 (write_satisfies_constraint_fns): New.
7175 (write_tm_preds_h): If we have new-style constraint definitions,
7176 prototype the functions generated from them, and define the
7177 old constraint interface (still used by generic code) in terms of
7179 (write_insn_preds_c): If we have new-style constraint definitions,
7180 generate all relevant functions from those definitions.
7181 (main): Handle define_constraint etc.
7182 * genoutput.c (struct constraint_data, indep_constraints)
7183 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7184 (mdep_constraint_len): New data structures and functions, defined
7185 #ifdef USE_MD_CONSTRAINTS.
7186 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7187 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7188 use new logic to validate operand constraints against constraint
7190 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7192 * defaults.h: If none of the old-style constraint macros are
7193 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7194 old-style macros; and poison REG_CLASS_FROM_LETTER,
7195 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7197 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7198 * doc/md.texi: Document new constraint-definition mechanism and the
7199 C interface it provides. Remove references to old mechanism
7200 elsewhere in the document.
7201 (Machine Constraints): Use pathnames relative to gcc directory,
7202 i.e. config/ARCH/FILE. Change i386 section to refer to
7203 config/i386/predicates.md; update that section to match docstrings.
7204 * doc/tm.texi: Move all documentation of the old constraint-
7205 definition macros to their own section, clearly mark as obsolete.
7207 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7208 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7210 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7211 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7212 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7214 (splits and peepholes): Use satisfies_constraint_*.
7215 * config/i386/i386.c (memory_address_length)
7216 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7218 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7220 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7221 scalar operation to be put back into the loop.
7223 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7226 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7227 (extract_cie_info): Handle S flag in augmentation string.
7228 (execute_cfa_program): If context->signal_frame, execute also
7229 fs->pc == context->ra instructions.
7230 (uw_frame_state_for): If context->signal_frame, don't subtract one
7231 from context->ra to find FDE.
7232 (uw_update_context_1): Set context->signal_frame to
7234 (_Unwind_GetIPInfo): New function.
7235 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7236 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7238 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7239 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7240 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7241 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7242 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7243 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7244 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7245 x86_64_fallback_frame_state): Set fs->signal_frame.
7246 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7247 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7248 (frob_update_context): Likewise. Workaround missing S flag in
7249 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7250 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7251 Remove the psw_addr + 1 hack.
7253 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7255 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7256 with aggregates here.
7257 (find_func_aliases): Remove code for &<aggregate> from here.
7259 2006-02-26 Roger Sayle <roger@eyesopen.com>
7261 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7262 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7263 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7266 2006-02-26 Roger Sayle <roger@eyesopen.com>
7269 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7271 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7273 * opts.c (decode_options): Do not handle flag_strength_reduce.
7274 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7275 and OPT_fstrength_reduce.
7276 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7277 flag_prefetch_loop_arrays for being nonzero.
7278 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7280 (fprefetch-loop-arrays-rtl): Removed.
7281 (flag_prefetch_loop_arrays): Do not specify the value.
7283 * doc/passes.texi: Update documentation of loop optimizer
7285 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7286 -frerun-loop-opt): Remove.
7288 2006-02-26 Richard Guenther <rguenther@suse.de>
7290 PR tree-optimization/26421
7291 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7292 in function calls that are ADDR_EXPRs as using the whole structure.
7294 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7296 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7297 * tree-pass.h (pass_loop_optimize): Remove.
7298 * passes.c (pass_loop_optimize): Never run it.
7299 * toplev.c (backend_init): Don't call init_loop.
7300 * opts.c (flag_loop_optimize_set): Remove.
7301 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7302 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7303 the old RTL loop optimizer when profiling enabled.
7304 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7305 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7306 pre-headers for the sake of the old RTL loop optimizer.
7307 * Makefile.in: Remove all references to loop.o.
7309 * doc/invoke.texi: Remove all references to -floop-optimize
7310 and -frerun-loop-opt.
7312 2006-02-26 Zack Weinberg <zackw@panix.com>
7314 * doc/md.texi (Machine Constraints): Refer to all files with paths
7315 relative to gcc directory (i.e. config/CPU/file). Add missing
7316 @table @code ... @end table to M32C subsection.
7318 2006-02-26 Roger Sayle <roger@eyesopen.com>
7320 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7322 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7324 2006-02-26 Roger Sayle <roger@eyesopen.com>
7325 James A. Morrison <phython@gcc.gnu.org>
7328 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7329 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7330 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7331 signedness of the shift operation.
7333 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7335 PR tree-optimization/26359
7336 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7338 2006-02-25 Roger Sayle <roger@eyesopen.com>
7340 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7341 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7342 as X == 0, and some symmetry related transformations.
7343 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7345 2006-02-25 Roger Sayle <roger@eyesopen.com>
7348 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7349 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7350 symmetry related transformations. Fold (X^C1) == C2 as
7353 2006-02-25 Juergen Weigert <jw@suse.de>
7354 Richard Guenther <rguenther@suse.de>
7356 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7358 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7360 * combine.c (gen_lowpart_or_truncate): Call
7361 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7363 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7365 * doc/invoke.texi: Move -fopenmp description to "Options for
7367 Remove reference to -lgomp.
7369 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7371 * doc/install.texi: Require GNU tar version 1.14.
7373 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7375 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7376 * doc/invoke.texi (C++ Dialect Options): Document
7377 -fno-use-cxa-get-exception-ptr.
7378 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7379 * configure: Regenerate.
7380 * c.opt (fuse-cxa-get-exception-ptr): New.
7381 * c-opts.c (c_common_handle_option): Handle
7382 OPT_fuse_cxa_get_exception_ptr.
7383 * c-common.c (flag_use_cxa_atexit): Update documentation.
7384 (flag_use_cxa_get_exception_ptr): New.
7385 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7386 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7388 (C_COMMON_OVERRIDE_OPTIONS): New.
7390 2006-02-24 Roger Sayle <roger@eyesopen.com>
7393 * combine.c (try_combine): Explicitly check whether GET_CODE is
7394 a SET or a CLOBBER, instead on checking that it isn't a USE.
7396 2006-02-24 Roger Sayle <roger@eyesopen.com>
7398 * fold-const.c (fold_comparison): New subroutine of fold_binary
7399 containing transformations common to both the equality and
7400 ordering relational operators, factored out of fold_binary.
7401 (fold_binary): Separate out the equality operators (EQ_EXPR
7402 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7403 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7404 transformations common to both.
7405 (fold_div_compare): Fix latent bugs in the previously unreachable
7406 LT_EXPR and GE_EXPR cases.
7408 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7410 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7411 decl libname for clog to __clog on AIX.
7413 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7415 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7418 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7419 output traceback table for thunks. Localise rs6000_stack_info call.
7421 2006-02-23 Roger Sayle <roger@eyesopen.com>
7422 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7424 * gthr-posix.h (__gthrw): Fix typo in comment.
7426 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7428 * doc/cpp.texi (Character sets): Document that we do support
7429 input files to be in any character set.
7431 2006-02-23 Jeff Law <law@redhat.com>
7433 * tree.h (PHI_ARG_NONZERO): Remove.
7434 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7435 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7436 node to the new node.
7438 PR tree-optimization/26425
7439 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7440 min/max, then assume its varying.
7442 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7444 PR rtl-optimization/26316
7445 * rtlanal.c (enum may_trap_p_flags): New.
7446 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7447 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7448 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7449 (may_trap_after_code_motion_p): New function.
7450 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7451 (find_invariant_insn): Use may_trap_after_code_motion_p.
7452 * rtl.h (may_trap_after_code_motion_p): Declare.
7454 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7456 * emit-rtl.c (immed_double_const): Cleanup.
7458 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7460 Fix PR tree-optimization/26376
7461 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7464 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7467 * gimplify.c (omp_add_variable): Guard variable size decl test with
7468 DECL_SIZE (decl) check.
7470 2006-02-23 Richard Guenther <rguenther@suse.de>
7473 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7474 like aggregate types.
7476 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7478 * configure.ac: Add --with{,out}-long-double-128 configure option.
7479 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7480 * configure: Rebuilt.
7481 * config.in: Rebuilt.
7482 * doc/install.texi (Options specification): Document
7483 --with-long-double-128.
7485 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7486 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7487 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7488 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7490 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7492 * config/s390/s390.c (override_options): Handle
7493 TARGET_DEFAULT_LONG_DOUBLE_128.
7495 * config/alpha/alpha.c (override_options): Handle
7496 TARGET_DEFAULT_LONG_DOUBLE_128.
7498 * config/sparc/sparc.c (sparc_override_options): Handle
7499 TARGET_DEFAULT_LONG_DOUBLE_128.
7501 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7503 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7504 (real-install-headers-tar, real-install-headers-cpio)
7505 (real-install-headers-cp): New targets.
7507 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7509 * tree.h (variable_section): Delete.
7510 * varasm.c (variable_section): Delete.
7512 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7514 * install.texi: Add notes on install.texi2html.
7515 (Building in parallel): Do not use footnotes.
7517 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7520 * doc/install.texi (Configuration): Document --disable-libgomp.
7522 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7524 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7526 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7528 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7529 (vec_extractv2df_0_sse): New.
7531 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7533 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7534 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7535 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7536 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7537 to the result of the expression.
7538 (def_cfa_1): Adjust.
7539 (frame_pointer_cfa_offset): Rename to...
7540 (frame_pointer_fb_offset): ... this. Adjust all uses.
7541 (convert_cfa_to_loc_list): Rename to...
7542 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7543 Pass it on to build_cfa_loc.
7544 (compute_frame_pointer_to_cfa_displacement): Rename to...
7545 (compute_frame_pointer_to_fb_displacement): ... this. New
7546 offset parameter. Use it in computation.
7547 (gen_subprogram_die): Compute cfa_fb_offset with the new
7548 macro, and use it to compute the fb loc list and the
7551 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7553 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7554 replaced with register_operand.
7555 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7556 non-DREG is expensive.
7557 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7558 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7561 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7563 * doc/install.texi2html: Use set -e.
7565 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7567 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7568 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7569 * doc/invoke.texi (-fshared-data): Delete.
7570 * common.opt (fshared-data): Delete.
7571 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7572 (assemble_static_space): Remove #if 0 code.
7573 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7574 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7575 * config/cris/cris.h: Remove FIXME.
7577 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7579 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7582 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7585 * combine.c (simplify_shift_const_1): Disable nested shifts
7586 optimization for vector shifts.
7588 2006-02-20 Roger Sayle <roger@eyesopen.com>
7590 PR tree-optimization/26361
7591 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7592 of unsigned integer types.
7594 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7596 * tree-chrec.c (eq_evolutions_p): New.
7597 * tree-chrec.h (eq_evolutions_p): Declared.
7598 * tree-data-ref.c: Fix formatting.
7599 (datadep_stats, dependence_stats): New.
7601 (print_direction_vector): New.
7602 (dump_data_dependence_relation): Use print_direction_vector.
7603 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7604 (compute_subscript_distance): Static.
7605 (initialize_data_dependence_relation): Static. Get the number
7606 of loops surrounding the references from the callers, and initialize
7607 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7608 base_object_differ_p analyzers.
7609 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7610 compute_overlap_steps_for_affine_1_2,
7611 analyze_subscript_affine_affine): Count the classified dependences.
7612 Print a message when a test failed.
7613 (can_use_analyze_subscript_affine_affine): New.
7614 (analyze_siv_subscript): Compute the data dependences on symbolic
7615 scevs that verify can_use_analyze_subscript_affine_affine.
7616 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7617 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7618 Handle symbolic scevs.
7619 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7621 (subscript_dependence_tester): Moved...
7622 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7623 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7624 DDR_SIZE_VECT instead of getting it in parameter.
7625 (subscript_dependence_tester): ... here. Take as a parameter
7626 loop_nest_depth. Call build_classic_dist_vector and
7627 build_classic_dir_vector.
7628 (compute_affine_dependence): Update subscript_dependence_tester
7629 parameters. Update datadep_stats counters. Call
7630 compute_subscript_distance.
7631 (compute_self_dependence): Save the dist and dir vectors. Call
7632 compute_subscript_distance.
7633 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7634 (compute_all_dependences): Reorder parameters as they were before
7635 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7636 compute_subscript_distance. Update the use of
7637 compute_affine_dependence and initialize_data_dependence_relation.
7638 (find_data_references_in_loop): Handle COMPONENT_REF.
7639 (compute_data_dependences_for_loop): Initialize dependence_stats.
7640 Don't call build_classic_dist_vector and build_classic_dir_vector.
7641 Update the parameters of initialize_data_dependence_relation and
7642 compute_all_dependences. Print the statistics from datadep_stats.
7643 (analyze_all_data_dependences): Static. Not used until the pass for
7644 checking the data dependences is contributed.
7645 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7646 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7647 (initialize_data_dependence_relation, compute_affine_dependence,
7648 analyze_all_data_dependences, compute_subscript_distance): Removed.
7649 (print_direction_vector): New.
7650 * lambda.h (gcd): ... here.
7651 (lambda_vector_gcd): Moved here from gcd_vector.
7652 * lambda-code.c (gcd, gcd_vector): Removed.
7653 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7654 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7656 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7658 * ipa-type-escape.c: Tidy some comments and white space.
7659 * tree-ssa-operands.c: Likewise.
7661 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7664 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7665 (dump_decl_name): Do not walk the decl tree chains.
7666 * tree-pass.h (TDF_CHAIN): Remove.
7668 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7670 * Makefile.in (C): Remove
7672 (.PHONY): Remove C and PROTO
7674 2006-02-20 Roger Sayle <roger@eyesopen.com>
7677 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7678 deprecated CHAR_TYPE tree code.
7680 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7682 * configure.ac (target_list): Add install-info, dvi, html.
7683 * configure: Regenerate.
7685 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7686 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7687 treelang/Make-lang.in: Do not use double-colon rules.
7689 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7691 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7692 (TMT_USED_ALONE): New macro.
7693 * tree-pass.h (PROP_tmt_usage): New property.
7694 (TODO_update_tmt_usage): New todo.
7695 * tree-ssa-alias.c (updating_used_alone): New variable.
7696 (recalculate_used_alone): New function.
7697 (compute_may_aliases): Set updating_used_alone, call
7698 recalculate_used_alone.
7699 * tree-sra.c (pass_sra): Note that this pass destroys
7700 PROP_tmt_usage, and add TODO_update_tmt_usage.
7701 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7702 * tree-flow.h (updating_used_alone): Prototype.
7703 (recalculate_used_alone): Ditto.
7704 * passes.c (execute_todo): Add code to set updating_used_alone,
7705 and call recalculate.
7706 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7707 for clobber if used alone, and add assert to verify used_alone
7710 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7712 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7713 for non tls symbols added.
7714 (legitimize_address): Do nothing for PLUS expressions if one of the
7715 addends is a tls symbol reference.
7717 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7721 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7723 * Makefile.in (BOOTSTRAPPING): New.
7724 (quickstrap): New definition if BOOTSTRAPPING=yes.
7726 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7727 * configure.ac: Substitute all_selected_languages with the languages
7728 that were configured. For all the other variables except
7729 lang_specs_files, include all the languages in the tree.
7730 * configure: Regenerate.
7732 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7733 if there is one. Run the commands to run fixincludes in the same
7736 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7737 * doc/install.texi: Document exact conventions for searching target tools.
7738 Document --with-build-time-tools. Document toplevel bootstrap. Document
7739 something more about building an Ada cross-compiler. Don't list GNU Make
7740 requirements which affect all platforms.
7742 2006-02-19 Roger Sayle <roger@eyesopen.com>
7745 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7746 only equivalent if the have both the same mode and precision.
7748 2006-02-20 Ben Elliston <bje@au.ibm.com>
7750 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7752 2006-02-19 Roger Sayle <roger@eyesopen.com>
7753 Steven Bosscher <stevenb.gcc@gmail.com>
7755 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7756 constant pool references to identify stack mode constants.
7757 * rtlanal.c (constant_pool_constant_p): New predicate to check
7758 whether operand is a floating point constant in the pool.
7759 * rtl.h (constant_pool_constant_p): Prototype here.
7760 * loop.c (scan_loop): Avoid hoisting constants from the constant
7761 pool on STACK_REGS targets.
7762 (load_mems): Likewise.
7763 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7764 loads into x87 registers expensive in terms of register pressure.
7766 2006-02-19 Roger Sayle <roger@eyesopen.com>
7768 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7769 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7771 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7773 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7774 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7776 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7778 * doc/invoke.texi: Document -fipa-pta.
7779 * common.opt: Add ipa-pta option.
7780 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7781 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7782 (do_ds_constraint): Ditto.
7783 (get_constraint_for): Only add to referenced_vars if
7784 referenced_vars exists.
7785 (insert_into_field_list): Rewrite to do this unsorted.
7786 (insert_into_field_list_sorted): Rename old insert_into_field_list
7788 (create_function_info_for): Use insert_into_field_list_sorted.
7789 (create_variable_info_for): Rewrite so it uses unsorted version,
7790 since the field list is sorted.
7791 (intra_create_variable_infos): Only add to referenced_vars if
7792 referenced_vars exists.
7793 (ipa_pta_execute): Init heapvars, and delete when done.
7794 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7796 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7798 * doc/install.texi: Add missing `@samp'.
7800 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7802 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7805 2006-02-18 Mark Wielaard <mark@klomp.org>
7807 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7808 who added new 4.1 features, bug fixes and integration support.
7810 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7813 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7816 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7818 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7819 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7820 (copy_insn_1): Likewise. Don't copy each field individually.
7822 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7824 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7825 * rtl.c (rtx_size): Rename variable to...
7826 (rtx_code_size): ...this.
7827 (rtx_size): New function.
7828 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7829 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7831 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7832 * rtl.h (rtx_code_size): New variable.
7833 (rtx_size): Change from a variable to a function.
7834 (RTX_SIZE): Rename to...
7835 (RTX_CODE_SIZE): ...this.
7838 PR tree-optimization/17106
7839 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7840 (Anchored Addresses): New section.
7841 * doc/invoke.texi (-fsection-anchors): Document.
7842 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7843 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7844 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7845 * hooks.c (hook_bool_mode_rtx_false): New function.
7846 * hooks.h (hook_bool_mode_rtx_false): Declare.
7847 * gengtype.c (create_optional_field): New function.
7848 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7849 SYMBOL_REF_IN_BLOCK_P is true.
7850 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7851 (min_anchor_offset, max_anchor_offset): Likewise.
7852 (use_anchors_for_symbol_p): New hook.
7853 * toplev.c (compile_file): Call output_object_blocks.
7854 (target_supports_section_anchors_p): New function.
7855 (process_options): Check that -fsection-anchors is only used on
7856 targets that support it and when -funit-at-a-time is in effect.
7857 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7858 if the decl doesn't have one.
7859 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7860 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7861 of force_const_mem through use_anchored_address.
7862 (expand_expr_constant): New function.
7863 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7864 calling expand_expr for INDIRECT_REF.
7865 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7866 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7867 * expr.h (use_anchored_address): Declare.
7868 * loop-unroll.c: Don't declare rtx vectors here.
7869 * explow.c: Include output.h.
7870 (validize_mem): Call use_anchored_address.
7871 (use_anchored_address): New function.
7872 * common.opt (-fsection-anchors): New switch.
7873 * varasm.c (object_block_htab, anchor_labelno): New variables.
7874 (hash_section, object_block_entry_eq, object_block_entry_hash)
7875 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7876 (use_blocks_for_decl_p, change_symbol_section): New functions.
7877 (get_variable_section): New function, split out from assemble_variable.
7878 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7879 use_blocks_for_decl_p say so. Use change_symbol_section if the
7880 symbol has already been created.
7881 (assemble_variable_contents): New function, split out from...
7882 (assemble_variable): ...here. Don't output any code for
7883 block symbols; just pass them to place_block_symbol.
7884 Use get_variable_section and assemble_variable_contents.
7885 (get_constant_alignment, get_constant_section, get_constant_size): New
7886 functions, split from output_constant_def_contents.
7887 (build_constant_desc): Create a block symbol if use_object_blocks_p
7888 says so. Or into SYMBOL_REF_FLAGS.
7889 (assemble_constant_contents): New function, split from...
7890 (output_constant_def_contents): ...here. Don't output any code
7891 for block symbols; just pass them to place_section_symbol.
7892 Use get_constant_section and get_constant_alignment.
7893 (force_const_mem): Create a block symbol if use_object_blocks_p and
7894 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7895 (output_constant_pool_1): Add an explicit alignment argument.
7896 Don't switch sections here.
7897 (output_constant_pool): Adjust call to output_constant_pool_1.
7898 Switch sections here instead. Don't output anything for block symbols;
7899 just pass them to place_block_symbol.
7900 (init_varasm_once): Initialize object_block_htab.
7901 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7902 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7903 (place_block_symbol, get_section_anchor, output_object_block)
7904 (output_object_block_htab, output_object_blocks): New functions.
7905 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7906 (TARGET_ASM_OUT): Include it.
7907 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7908 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7909 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7910 (TARGET_INITIALIZER): Include them.
7911 * rtl.c (rtl_check_failed_block_symbol): New function.
7912 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7913 (block_symbol, object_block): New structures.
7914 (rtx_def): Add a block_symbol field to the union.
7915 (BLOCK_SYMBOL_CHECK): New macro.
7916 (rtl_check_failed_block_symbol): Declare.
7917 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7918 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7919 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7920 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7921 * output.h (output_section_symbols): Declare.
7922 (object_block): Name structure.
7923 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7924 (default_use_anchors_for_symbol_p): Declare.
7925 * Makefile.in (RTL_BASE_H): Add vec.h.
7926 (explow.o): Depend on output.h.
7927 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7928 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7929 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7930 (rs6000_use_blocks_for_constant_p): New function.
7932 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7934 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7936 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7939 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7942 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7944 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7948 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7951 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7952 instead of DECL_REGISTER.
7954 2006-02-18 Olivier Hainque <hainque@adacore.com>
7957 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7959 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7962 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7963 * opth-gen.awk: Handle Var and InverseMask together.
7964 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7965 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7966 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7967 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7969 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7970 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7971 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7972 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7973 LINUX_DYNAMIC_LINKER): Define.
7974 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7975 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7977 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7978 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7979 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7980 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7981 (TARGET_C99_FUNCTIONS): Don't define.
7982 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7983 GLIBC_DYNAMIC_LINKER.
7984 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7985 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7986 GLIBC_DYNAMIC_LINKER64): Define.
7987 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7988 LINUX_DYNAMIC_LINKER64.
7989 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7990 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7991 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7992 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7993 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7994 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7995 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7996 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7997 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7998 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7999 and LINUX_DYNAMIC_LINKER32.
8000 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8001 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8002 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8003 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8004 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8006 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8007 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8008 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8009 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8010 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8011 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8012 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8013 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8014 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8015 LINUX_DYNAMIC_LINKER): Define.
8016 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8017 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8018 GLIBC_DYNAMIC_LINKER64): Define.
8019 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8020 LINUX_DYNAMIC_LINKER64.
8021 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8022 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8023 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8024 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8025 LINUX_DYNAMIC_LINKER): Define.
8026 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8027 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8028 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8029 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8030 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8031 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8032 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8033 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8034 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8035 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8036 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8037 * doc/invoke.texi (-muclibc): Remove caveat about supported
8040 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8042 * doc/cpp.texi (__TIMESTAMP__): Document.
8044 2006-02-17 Roger Sayle <roger@eyesopen.com>
8047 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8048 C is one less than the width of X (and related transformations).
8049 * simplify-rtx.c (simplify_unary_operation_1): Transform
8050 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8051 depending on STORE_FLAG_VALUE, were C is one less then the
8054 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8056 Fix PR tree-optimization/26341
8057 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8058 about NAME_MEMORY_TAG's.
8060 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8063 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8064 with hardware float support, and software float support. Add fcpy
8065 alternative to hardware patterns. Add alternatives to copy between
8066 general and floating-point registers to the 32-bit pattern.
8067 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8068 secondary reload to load a QI or HI mode constant into a floating
8070 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8071 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8073 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8076 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8078 (load_macho_picbase_di): Likewise.
8080 2006-02-16 Jeff Law <law@redhat.com>
8082 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8083 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8084 (ssa_name_nonzero_p): Likewise.
8085 (get_value_range): Return NULL if VRP is not running.
8086 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8087 VRP routines do not discover a range.
8088 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8089 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8090 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8091 (tree_expr_nonnegative_p): Similarly.
8092 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8093 (restore_nonzero_vars_to_original_value): Remove.
8094 (unsafe_associative_fp_binop): Remove.
8095 (tree_ssa_dominator_optimize): Remove initialization and
8096 finalization of nonzero_vars and nonzero_vars_stack.
8097 (dom_opt_initialize_block): No longer push marker on
8099 (dom_opt_finalize_block): No longer call
8100 restore_nonzero_vars_to_original_value.
8101 (record_equivalences_from_phis): No longer look for
8102 nonzero PHI arguments.
8103 (cprop_into_successor_phis): No longer propagate nonzero
8104 property into PHI arguments. Lose unused argument. Caller
8106 (record_equivalences_from_stmt): No longer record nonzero
8107 values for SSA_NAMEs.
8108 (lookup_avail_expr): No longer use nonzero_vars.
8110 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8111 for sizetype when sizetype is unsigned.
8113 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8115 PR rtl-optimization/25603
8116 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8117 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8118 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8119 with new meaning of SETS.
8121 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8126 * config/linux.opt: New file.
8127 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8128 LINUX_DYNAMIC_LINKER): Define.
8129 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8130 * config.gcc (*-*-linux*): Define extra_options.
8131 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8132 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8133 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8134 GLIBC_DYNAMIC_LINKER.
8135 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8136 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8137 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8138 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8139 * doc/invoke.texi (GNU/Linux Options): New section.
8141 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8143 * config/sparc/sparc.md (setjmp): Rewrite.
8144 (setjmp_32): Delete.
8145 (setjmp_64): Likewise.
8147 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8149 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8152 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8154 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8157 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8159 PR rtl-optimization/26296
8160 * Makefile.in (loop-invariant.c): Add except.h dependency.
8161 * loop-invariant.c: Include except.h.
8162 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8164 2005-02-16 Paul Brook <paul@codesourcery.com>
8166 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8169 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8171 PR rtl-optimization/25636
8172 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8173 when deciding whether an insn is an initializing insn.
8175 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8177 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8178 (tree_code_size): Ditto.
8179 * tree.h (struct tree_memory_tag): Remove parent_var.
8180 (struct tree_struct_field_tag): New.
8183 (union tree_node): Add sft member.
8184 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8186 (create_sft): Add size and offset argument, set SFT_OFFSET and
8188 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8189 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8190 * tree-flow-inline.h (get_subvar_at): Update for
8191 SFT_OFFSET/SFT_SIZE.
8192 (var_can_have_subvars): Ditto.
8193 (overlap_subvar): Ditto.
8194 * print-tree.c (print_node): Print out interesting things for
8196 * tree-flow.h (struct subvar): Remove offset and size members.
8197 * tree-ssa-operands.c (get_expr_operands): Update for
8198 get_indirect_ref_operands changes.
8199 (get_indirect_ref_operands): Call add_virtual_operand instead of
8200 add_stmt_operand. Only recurse on base var if requested.
8201 (access_can_touch_variable): New function.
8202 (add_stmt_operand): Split virtual operand handling into ...
8203 (add_virtual_operand): Here. Add offset, size, and for_clobber
8204 arguments. Prune alias sets.
8205 (add_call_clobber_ops): Call add_virtual_operand.
8207 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8210 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8212 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8213 than TREE_CODE as index into omp_clause_num_ops array.
8215 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8217 PR rtl-optimization/26184
8218 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8220 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8221 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8222 must_precede, must_follow and tobe_scheduled.
8225 * opts.c (common_handle_option): Free new_option pointer.
8226 * df-core.c (df_analyze): Free postorder pointer.
8228 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8230 * Makefile.in: Fix the examples about the use of stamps
8232 2006-02-15 Michael Matz <matz@suse.de>
8236 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8237 influenced by maximum_field_alignment or DECL_PACKED.
8238 (update_alignment_for_field): Ditto.
8239 (place_field): Ditto.
8240 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8243 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8245 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8246 (debug_flow_info): Pass it.
8247 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8248 * bb-reorder.c (reorder_basic_blocks): Likewise.
8249 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8250 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8251 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8252 * gcse.c (gcse_main, bypass_jumps): Likewise.
8253 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8254 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8255 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8256 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8257 * rtl.h (dump_flow_info): Adjust prototype.
8258 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8259 * var-tracking.c (variable_tracking_main): Likewise.
8260 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8261 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8264 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8266 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8269 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8271 PR tree-optimization/26209
8272 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8273 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8275 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8277 2006-02-14 Roger Sayle <roger@eyesopen.com>
8280 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8281 (X,Y) and the corresponding symmetry related transformations.
8282 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8283 (X,Y) and its symmetry related transformations.
8285 2006-02-14 Roger Sayle <roger@eyesopen.com>
8287 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8290 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8292 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8294 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8297 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8298 support COMDAT group.
8299 * configure: Regenerate.
8301 2006-02-14 Roger Sayle <roger@eyesopen.com>
8306 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8308 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8310 Fix PR tree-optimization/26260
8312 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8314 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8315 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8316 * tree-ssa-structalias.c (create_variable_info_for): Use
8317 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8319 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8321 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8323 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8324 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8325 of the ending condition.
8326 * tree-ssa-loop-manip.c: Include params.h.
8327 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8328 tree_unroll_loop): New functions.
8329 * tree-pass.h (pass_loop_prefetch): Declare.
8330 * loop.c (rest_of_handle_loop_optimize): Test for
8331 -fprefetch-loop-arrays-rtl.
8332 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8333 * timevar.def (TV_TREE_PREFETCH): New timevar.
8334 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8335 pass_loop_prefetch): New.
8336 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8337 (cleanup_tree_cfg_loop): Call scev_reset.
8338 * common.opt (fprefetch-loop-arrays-rtl): Add.
8339 * tree-ssa-loop-prefetch.c: New file.
8340 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8341 (new_temp_expr_table): Initialize expr_vars.
8342 (free_temp_expr_table): Cleanup expr_vars.
8343 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8344 expressions from being merged into one.
8345 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8346 (struct tree_niter_desc): Add control, bound and cmp fields.
8347 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8349 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8350 (tree-cfgcleanup.o): Add SCEV_H dependency.
8351 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8352 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8354 2006-02-14 Richard Guenther <rguenther@suse.de>
8356 PR tree-optimization/26258
8357 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8358 in PHI argument processing.
8360 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8362 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8363 new expression in the requested machine mode.
8365 2006-02-13 Roger Sayle <roger@eyesopen.com>
8367 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8368 directly, instead let do_compare_rtx_and_jump handle this for us.
8369 * expr.c (expand_expr_real_1): Likewise.
8370 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8371 before do_jump_by_parts_greater.
8372 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8373 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8375 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8377 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8379 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8381 PR rtl-optimization/26235
8382 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8383 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8386 2006-02-13 Jeff Law <law@redhat.com>
8388 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8391 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8394 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8395 twice if decl is a builtin. When trying again, call get_callee_fndecl
8396 first to verify it is still a builtin.
8398 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8400 * dwarf2out.c (base_type_die): Don't add AT_name here.
8401 (subrange_type_die): Don't add AT_name here.
8402 (modified_type_die): Rearrange code flow. Do add AT_name here.
8404 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8406 PR rtl-optimization/26247
8407 PR rtl-optimization/26248
8408 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8410 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8412 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8413 * config/fixtfdi.c: Likewise.
8414 * config/fixunstfdi.c: Likewise.
8415 * config/floatditf.c: Likewise.
8417 2006-02-13 Roger Sayle <roger@eyesopen.com>
8420 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8421 into (X,C2) if C1 is a subset of the bits of C2. Transform
8422 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8424 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8426 2006-02-13 Josh Conner <jconner@apple.com>
8429 * varasm.c (function_section): Check for section name before
8430 calling select_section on targets that define
8431 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8432 unlikely_text_section instead of hot_function_section if
8433 first_function_block_is_cold.
8435 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8438 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8440 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8442 PR rtl-optimization/26222
8443 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8444 after tree->rtl expansion.
8445 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8446 before passing it to emit_move_insn.
8448 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8450 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8452 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8453 Clarify documentation.
8454 * c-common.h (warn_write_strings): Remove.
8455 * c-common.c (warn_write_strings): Likewise.
8456 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8459 2006-02-12 Roger Sayle <roger@eyesopen.com>
8462 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8463 (do_jump_parts_zero_rtx): New function renamed from
8464 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8465 (do_jump_parts_equality_rtx): New function split out from
8466 do_jump_parts_equality. Old implementation renamed as above.
8467 Call do_jump_parts_zero_rtx if either operand is zero.
8468 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8469 do all of the heavy lifting.
8470 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8471 calling either do_jump_by_parts_greater_rtx or
8472 do_jump_by_parts_equality_rtx.
8473 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8474 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8475 moved to do_compare_rtx_and_jump, call it directly.
8476 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8477 mode argument. Call do_compare_rtx_and_jump.
8478 (emit_case_nodes): Update calls to do_jump_if_equal.
8480 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8482 PR rtl-optimization/26225
8483 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8485 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8487 PR rtl-optimization/26232
8488 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8490 2006-02-11 Jason Merrill <jason@redhat.com>
8493 * tree-inline.c (declare_return_variable): Just don't use the
8494 modify target if it's a gimple complex reg and the return slot
8497 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8499 * doc/contrib.texi: Update my entry.
8501 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8503 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8505 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8507 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8510 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8512 * doc/invoke.texi (-floop-optimize2): Removed.
8513 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8514 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8515 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8516 * common.opt (floop-optimize2): Removed.
8517 (fmove-loop-invariants): Enabled by default.
8519 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8521 * tree-if-conv.c (combine_blocks): Free the result of
8522 get_loop_exit_edges.
8524 2006-02-10 Jeff Law <law@redhat.com>
8526 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8528 PR tree-optimization/26213
8529 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8530 loop trying to follow SSA_NAME_VALUE chains.
8532 2006-02-10 Richard Guenther <rguenther@suse.de>
8534 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8535 deal with structures that end in implicitly variable sized arrays.
8537 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8539 PR rtl-optimization/24762
8540 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8543 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8545 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8546 (struct ivopts_data): Add regs_used field.
8547 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8548 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8549 instead of loop_data->regs_used;
8550 (free_loop_data): Do not free aux fields for loops.
8551 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8552 and tree_ssa_iv_optimize_finalize.
8554 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8556 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8558 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8561 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8562 computing the effective result type.
8564 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8567 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8568 (tree_overlaps_hard_reg_set): Declare.
8569 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8570 type and signature to match function type expected by walk_tree.
8571 (tree_overlaps_hard_reg_set): New function.
8572 (decl_conflicts_with_clobbers_p): Rename to:
8573 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8574 Use tree_overlaps_hard_reg_set. Changed caller.
8575 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8576 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8577 * cris.c (cris_md_asm_clobbers): Likewise.
8579 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8581 * reload1.c (emit_input_reload_insns): Delete code that tries to
8582 inherit using find_equiv_reg.
8584 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8586 * c-common.h (flag_const_strings): Don't declare.
8587 * c-common.c (flag_const_strings): Remove.
8588 * c.opt (fconst_strings): Remove.
8589 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8590 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8591 (c_common_init_options): Don't set flag_const_strings.
8592 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8594 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8596 * arm.md (tlobits_cbranch): New pattern.
8597 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8598 testing a single bit.
8600 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8603 * tree-ssa-pre.c (create_component_ref_by_pieces):
8604 Handle RETURN_DECL like VAR_DECL.
8606 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8609 * fold-const.c (fold_indirect_ref_1): Fold
8610 "*(foo *)&complexfoo" to "__real__ complexfoo"
8611 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8613 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8615 * tree-flow-inline.h (var_can_have_subvars):
8616 Volatile variables should not have subvariables.
8618 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8621 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8622 multiplying unsigned values.
8625 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8627 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8629 2006-02-08 Jason Merrill <jason@redhat.com>
8632 * tree.def: Elaborate on difference from MODIFY_EXPR.
8633 * doc/c-tree.texi (INIT_EXPR): Likewise.
8634 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8635 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8636 (gimplify_target_expr): Likewise.
8637 (gimplify_cond_expr): Remove target handling.
8638 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8639 (gimplify_expr): Clobber it here.
8640 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8641 Do return slot optimization if we have an INIT_EXPR.
8644 * tree-inline.c (declare_return_variable): Also clear
8645 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8648 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8651 * gimplify.c (gimplify_one_sizepos): Fix typo.
8653 2006-02-08 Jeff Law <law@redhat.com>
8655 PR tree-optimization/21417
8656 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8657 across a backedge if the control statement at the end of the
8658 block is data dependent on other statements in the same block.
8659 (record_temporary_equivalences_from_stmts): Remove over-conservative
8660 test for threading across backedges.
8662 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8663 control statement, handle all three special cases in the same
8664 manner as they all have the same desired solution. No longer
8665 special case edge flag updating when the post dominator is
8668 2006-02-08 Roger Sayle <roger@eyesopen.com>
8670 * tree.def (CHAR_TYPE): Remove.
8671 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8672 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8673 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8674 (gen_string_type_die): Delete unreachable function.
8676 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8677 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8678 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8679 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8680 * builtins.c (type_to_class): Likewise.
8681 * fold-const.c (fold_convert, build_range_check,
8682 merge_ranges): Likewise.
8683 * expr.c (count_type_elements): Likewise.
8684 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8685 * stor-layout.c (layout_type): Likewise.
8686 * ipa-type-escape.c (type_to_consider): Likewise.
8687 * gimplify.c (omp_firstprivatize_type_sizes,
8688 gimplify_type_sizes): Likewise.
8689 * explow.c (promote_mode): Likewise.
8690 * tree-sra.c (is_sra_scalar_type): Likewise.
8691 * varasm.c (output_constant): Likewise.
8692 * tree-inline.c (remap_type_1): Likewise.
8693 * convert.c (convert_to_pointer, convert_to_real,
8694 convert_to_integer, convert_to_complex): Likewise.
8696 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8698 * df-scan.c (df_def_record_1): A set destination may
8699 be a parallel regardless of mode.
8701 2006-02-08 Roger Sayle <roger@eyesopen.com>
8704 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8705 * config/mips/_tilib.c: Remove.
8706 * config/fixtfdi.c: New libgcc source file.
8707 * config/fixunstfdi.c: New source file.
8708 * config/floatditf.c: New source file.
8709 * config/floatunditf.c: New souce file.
8710 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8711 files above instead of config/mips/_tilib.c.
8712 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8714 2006-02-08 Jeff Law <law@redhat.com>
8716 PR tree-optimization/26169
8717 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8720 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8722 * df.h (DF_REG_SIZE): Return the length of the initialized
8725 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8727 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8728 __muldf3): Return a correctly signed zero.
8730 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8732 * passes.c (register_one_dump_file): Accept the current properties
8733 instead of pass number. Adjust call to dump_register. Remove
8735 (register_dump_files): Now a wrapper around...
8736 (register_dump_files_1): ... this one. Do not modify the pass
8738 (next_pass_1): Cosmetic fix.
8739 (execute_todo): Keep second parameter only. Use curr_properties
8740 instead of fetching it from the pass structure. Check and set
8742 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8743 instead of fetching it from the pass structure. Fix calls to
8744 execute_todo. Update curr_properties and initialize .vcg RTL dump
8745 after running the pass. Reset last_verified.
8746 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8748 (FIRST_AUTO_NUMBERED_DUMP): New.
8749 (dump_register): Remove "num" parameter, assign it within the
8751 (get_dump_file_name): Modify template for dumps.
8752 * tree-dump.h (dump_register): Adjust prototype.
8753 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8754 (PROP_trees): Add PROP_gimple_lomp.
8755 (TODO_set_props): New.
8756 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8757 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8758 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8760 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8762 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8763 (sparc64-*-linux*): Likewise.
8764 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8765 * config/sparc/t-linux: New file.
8766 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8767 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8768 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8769 -m32 -mlong-double-128.
8771 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8772 * config/alpha/t-linux: New file.
8773 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8775 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8776 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8777 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8778 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8779 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8780 (CPP_ARCH32_SPEC): Remove.
8782 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8784 PR tree-optimization/26145
8785 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8788 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8791 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8792 >= 240000 when generating code for SOM runtime.
8793 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8794 to $$dyncall when generating code for SOM runtime..
8796 2006-02-07 Dirk Mueller <dmueller@suse.com>
8799 * doc/invoke.texi (-Wsequence-point): Update documentation
8800 that -Wsequence-point is implemented for C++ as well.
8802 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8804 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8805 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8806 (LIB_SPEC): Likewise.
8807 * doc/invoke.texi (SPARC options): Document -pthread.
8809 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8811 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8814 2006-02-07 Roger Sayle <roger@eyesopen.com>
8816 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8817 Correct comment describing BOOLEAN_TYPE.
8819 2006-02-07 Dirk Mueller <dmueller@suse.com>
8821 * c.opt: C++ frontend supports -Wdiv-by-zero.
8822 * c-opts.c (c_common_handle_option): Remove dead case.
8824 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8826 * configure.ac (TLS assembler check): Do not enable TLS by
8827 default on SPARC/Solaris before version 10.
8828 * configure: Regenerate.
8830 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8832 * doc/invoke.texi (xl-compat): Document conversion and support
8835 2006-02-07 Jeff Law <law@redhat.com>
8837 * tree-vrp.c (find_conditional_asserts): Update comments.
8838 (simplify_stmt_for_jump_threading): New.
8839 (identify_jump_threads, finalize_jump_threads): New.
8840 (vrp_finalize): Call identify_jump_threads.
8841 (execute_vrp): Call finalize_jump_threads.
8842 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8843 (vrp_element, vrp_data, vrp_element_p): Remove.
8844 (vrp_hash_elt, vrp_variables_stack): Remove.
8845 (vrp_hash, vrp_eq, record_range): Remove.
8846 (simplify_cond_and_lookup_avail_expr): Remove.
8847 (extract_range_from_cond): Remove.
8848 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8849 (simplify_stmt_for_jump_threading): New.
8850 (dom_thread_across_edge): New wrapper.
8851 (tree_ssa_dominator_optimize): No longer initialize or
8852 finalize any of the VRP datastructures. Remove iteration
8853 step and simplify as a result of removal of iteration step.
8854 (pass_dominator): Perform a cfg cleanup after DOM.
8855 (dom_opt_finalize_block): Use the new common routines
8856 for threading jumps. Simplify stack management slightly.
8857 No longer need to unwind VRP state.
8858 (record_equivalences_from_incoming_edge): No longer record
8860 (eliminate_redundant_computations): No longer call
8861 simplify_cond_and_lookup_avail_expr.
8862 * tree-flow.h (potentially_threadable_block): Prototype.
8863 (thread_across_edge): Likewise.
8864 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8865 (tree-ssa-threadedge.o): Add dependencies.
8866 * tree-ssa-threadedge.c: New file.
8867 * passes.c (init_optimization_passes): Merge PHIs before
8868 calling VRP. Run VRP again late in the SSA optimization pipeline.
8870 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8872 * df-core.c (df_set_blocks): Do not dereference function pointers.
8873 (df_finish1): Likewise.
8874 (df_hybrid_search_forward): Likewise.
8875 (df_hybrid_search_backward): Likewise.
8876 (df_iterative_dataflow): Likewise.
8877 (df_analyze_problem): Likewise.
8878 (df_compact_blocks): Likewise.
8879 (df_dump): Likewise.
8880 * df-scan.c (df_rescan_blocks): Likewise.
8881 (df_record_entry_block_defs): Likewise.
8883 * genconditions.c (write_conditions): Guard the definition of
8884 'insn_conditions' with the check on GCC version.
8885 (write_writer): Guard the traversal 'insn_conditions' with
8886 the check on GCC version.
8888 2006-02-07 Richard Guenther <rguenther@suse.de>
8892 2006-01-30 Richard Guenther <rguenther@suse.de>
8894 * gimplify.c (gimplify_target_expr): Handle easy cases
8895 without creating a temporary.
8897 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8899 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8900 use of float in probability computations. Use edge probabilities
8901 in place of statically computed probabilities.
8902 (min_spec_prob): New static variable.
8903 (schedule_insns): Initialize it.
8904 (GET_SRC_PROB): Removed.
8905 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8907 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8910 * config/ia64/unwind-ia64.c: Revert last change.
8911 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8912 (INCOMING_FRAME_SP_OFFSET): Define.
8914 2006-02-06 Roger Sayle <roger@eyesopen.com>
8916 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8918 2006-02-07 Ben Elliston <bje@au.ibm.com>
8920 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8921 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8922 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8923 (ix86_return_in_memory): Handle TDmode.
8924 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8925 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8927 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8929 * reorg.c (dbr_schedule): Use dump_file instead of file.
8931 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8934 * config/ia64/predicates.md (extr_len_operand): New predicate.
8935 * config/ia64/ia64.md (extv): Tighten constraints.
8937 (*tbit_and_2): Ditto.
8938 (*tbit_and_3): Ditto.
8939 (*tbit_or_2): Ditto.
8940 (*tbit_or_3): Ditto.
8944 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8947 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8949 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8951 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8952 loop_optimizer_init and loop_optimizer_finalize
8953 * tree-ssa-sink.c (execute_sink_code): Ditto.
8954 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8955 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8956 tree_ssa_loop_done): Ditto.
8957 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8958 * sched-ebb.c: Include output.h.
8959 (schedule_ebbs): Do not use dump argument.
8960 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8961 * loop.c (loop_dump_stream): Removed.
8962 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8964 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8965 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8966 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8967 loop_iterations, strength_reduce, record_biv, record_giv,
8968 final_giv_value, check_final_value, check_ext_dependent_givs,
8969 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8970 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8971 dump_file instead of loop_dump_stream.
8972 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8974 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8976 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8977 * haifa-sched.c: Include output.h
8978 (schedule_insns, sched_init): Do not use dump argument.
8979 * mode-switching.c (optimize_mode_switching): Ditto.
8980 * modulo-sched.c (stats_file): Removed.
8981 (print_node_sched_params): Do not call argument dump_file.
8982 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8983 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8985 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8987 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8988 rtl_loop_init, rtl_loop_done): Ditto.
8989 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8990 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8992 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8993 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8994 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8995 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8996 * emit-rtl.c (renumber_insns): Ditto.
8997 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8998 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8999 * regclass.c (regclass): Ditto.
9000 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9001 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9002 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9003 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9005 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9006 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9008 * gcse.c (gcse_file, debug_stderr): Removed.
9009 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9010 rest_of_handle_gcse): Do not use dump argument.
9011 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9012 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9013 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9014 compute_code_hoist_vbeinout, compute_code_hoist_data,
9015 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9016 compute_store_table, build_store_vectors, insert_insn_start_bb,
9017 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9018 store_motion): Use dump_file instead of gcse_file.
9019 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9020 * profile.c (profile_dump_file): Removed.
9021 (branch_prob): Use dump_file instead of profile_dump_file.
9022 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9024 * tree-ssa-copy.c (dump_copy_of): Ditto.
9025 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9026 dump file to life_analysis.
9027 * bt-load.c (branch_target_load_optimize): Ditto.
9028 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9030 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9031 regclass, dbr_schedule): Declaration changed.
9032 * sched-int.h (sched_init): Declaration changed.
9033 * tree-profile.c (tree_profile_dump_file): Removed.
9034 (tree_profile_hooks): Removed profile_dump_file hook.
9035 * rtl-profile (rtl_profile_dump_file): Removed.
9036 (rtl_profile_hooks): emoved profile_dump_file hook.
9037 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9039 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9040 * tree-cfg.c (build_tree_cfg): Ditto.
9041 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9042 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9043 Declaration changed.
9044 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9045 life_analysis and schedule_insns.
9046 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9048 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9050 * config/mips/mips.c (mips_reorg): Ditto.
9051 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9054 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9056 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9057 (s390_mangle_fundamental_type): New.
9058 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9061 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9062 (alpha_mangle_fundamental_type): New.
9063 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9066 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9068 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9070 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9071 (sparc_mangle_fundamental_type): New.
9073 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9075 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9076 (s390x-*-linux*): Likewise.
9077 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9078 * config/s390/t-linux: New file.
9080 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9082 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9083 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9085 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9087 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9088 (ANTIC_SAFE_LOADS): New macro.
9089 (find_or_generate_expression): Add prototype.
9090 (set_contains_value): Allow null set for sake of not always having
9091 to allocate ANTIC_SAFE_LOADS.
9092 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9093 Allow COMPONENT_REF too.
9094 (valid_in_set): Allow COMPONENT_REF.
9095 Check ANTIC_SAFE_LOADS too.
9096 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9097 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9099 (can_PRE_operation): Add COMPONENT_REF.
9100 (create_component_ref_by_pieces): New function.
9101 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9102 (insert_aux): Move AGGREGATE_TYPE_P check here.
9103 (compute_avail): Set bb local stmt uids.
9104 (pass_pre): Use TODO_update_ssa_only_virtuals.
9106 2006-02-06 Ben Elliston <bje@au.ibm.com>
9108 * configure.ac: Unconditionally disable decimal float by default.
9109 * configure: Regenerate.
9111 2006-02-06 Ben Elliston <bje@au.ibm.com>
9113 * read-rtl.c (read_name): Terminate reading on EOF.
9115 2006-02-06 Ben Elliston <bje@au.ibm.com>
9117 * dfp.c (decimal_real_arithmetic): Change second argument type
9118 from int to enum tree_code. Do not always return true, but now
9119 return result of any call to decimal_do helper functions.
9120 * dfp.h (decimal_real_arithmetic): Update prototype.
9122 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9124 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9126 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9129 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9132 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9134 * tree-vrp.c (cfg_loops): Removed.
9135 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9136 Use current_loops instead of cfg_loops. Pass flags to
9137 loop_optimizer_init.
9138 * cfgloopmanip.c (fix_loop_structure): Update only available
9140 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9141 loop_optimizer_init.
9142 * modulo-sched.c (build_loops_structure): Removed.
9143 (sms_schedule): Use loop_optimizer_init.
9144 * loop-init.c (loop_optimizer_init): Use flags to determine
9145 which properties of loops to prepare.
9146 (rtl_loop_init): Pass flags to loop_optimizer_init.
9147 * tree-ssa-sink.c (execute_sink_code): Ditto.
9148 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9149 * tree-ssa-pre.c (init_pre): Ditto.
9150 * cfgloop.h (LOOPS_NORMAL): New.
9151 (loop_optimizer_init): Declaration changed.
9153 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9155 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9156 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9158 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9160 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9162 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9163 * pa/t-pa64: Delete quadlib.c rule.
9164 * pa/x-ada: Revert last change.
9165 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9167 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9169 PR rtl-optimization/26087
9170 * rtlanal.c (canonicalize_condition): Do not cross basic block
9173 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9176 * config/ia64/ia64.c: Include debug.h.
9177 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9178 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9179 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9180 (process_epilogue, process_set, process_for_unwind_directive):
9181 Output unwind info only if requested. Add CFA info if requested.
9182 Add new arguments as needed. Adjust callers.
9183 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9185 (DWARF2_FRAME_INFO): Define to zero.
9186 * config/ia64/unwind-ia64.c: Remove code that compensated for
9187 the CFA offset error fixed above.
9188 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9189 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9190 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9191 -funwind-tables and -fexceptions to enable frame info.
9192 (dwarf2out_frame_init): Define initial CFA even if
9193 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9194 DWARF2_UNWIND_INFO is nonzero, not just defined.
9195 (dwarf2out_frame_finish): Output non-EH call frame info only
9196 if DWARF2_FRAME_INFO is nonzero.
9197 (convert_cfa_to_loc_list,
9198 compute_frame_pointer_to_cfa_displacement): Define even if
9199 unwind info is not supported.
9200 (gen_subprogram_die): Use the above unconditionally. Remove
9201 legacy alternate code.
9202 * toplev.c (compile_file): Compile in call to
9203 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9204 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9206 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9207 Jakub Jelinek <jakub@redhat.com>
9209 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9210 IBM extended float format long double as "g" on powerpc*-linux.
9212 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9215 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9216 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9218 2006-02-03 Jason Merrill <jason@redhat.com>
9221 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9224 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9225 on the return slot if it's an NRV.
9227 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9229 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9230 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9231 rewrite_use): Do not handle USE_OUTER.
9232 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9233 add_iv_outer_candidates, may_replace_final_value,
9234 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9235 (find_interesting_uses_op): Functionality of
9236 find_interesting_uses_outer_or_nonlin moved here.
9237 (find_interesting_uses_outside): Use find_interesting_uses_op.
9239 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9242 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9244 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9245 Ulrich Weigand <uweigand@de.ibm.com>
9248 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9249 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9250 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9251 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9253 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9254 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9255 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9256 Define secondary reloads for TFmode moves.
9257 (constant_modes): Add TFmode.
9258 (NR_C_MODES): Set to 8.
9259 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9261 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9262 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9263 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9264 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9265 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9266 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9267 (FPR mode macro): Add TFmode.
9268 (DSF mode macro): New.
9269 (<de>, <dee> mode attributes): Removed.
9270 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9271 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9272 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9273 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9274 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9275 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9276 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9277 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9278 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9279 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9280 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9281 "*negabs<mode>2", "sqrt<mode>2"):
9282 Changed <de> to <xde>. R constraint replaced by <Rf>.
9283 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9285 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9286 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9287 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9289 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9290 "extenddftf2", "extendsftf2"): New expanders.
9291 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9292 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9293 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9294 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9296 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9297 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9298 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9299 __floatditf): Add a GCC_4.1.0 symbol version tag.
9300 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9303 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9306 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9307 Use targetm.binds_local_p instead of TREE_PUBLIC.
9309 2006-02-02 Roger Sayle <roger@eyesopen.com>
9311 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9312 on INTEGER_TYPEs to indicate that it denotes a character type.
9313 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9314 signed_char_type_node, unsigned_char_type_node and char_type_node.
9315 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9316 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9317 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9319 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9320 Daniel Berlin <dberlin@dberlin.org>
9322 * tree-tailcall.c (arg_needs_copy_p): New function.
9323 (eliminate_tail_call): Use arg_needs_copy_p.
9324 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9325 (add_virtual_phis): New function.
9327 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9329 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9330 #ignore instead of #scratch for %g7 .register directive.
9332 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9334 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9337 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9339 * flow.c (calculate_global_regs_live): Assert that there aren't any
9342 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9344 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9346 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9347 bsi_after_labels iterator.
9348 * tree-if-conv.c (find_phi_replacement_condition,
9349 replace_phi_with_cond_modify_expr): Likewise.
9350 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9351 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9353 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9355 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9357 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9360 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9361 array after growing it.
9363 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9366 * fold-const.c (fold_checksum_tree): Change type of buf.
9368 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9370 * reload.c (push_secondary_reload): Initialize t_icode.
9372 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9374 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9375 -msoft-float -mlong-double-128 only issue a warning, but don't
9376 swich to DFmode long double.
9378 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9380 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9381 has a constant equivalent, iterate over equivalents for arg0,
9382 calling simplify_relational_operation and if there's a result
9383 cheaper than X, apply fold_rtx and return the result.
9385 2006-02-01 Jan Hubicka <jh@suse.cz>
9387 * opts.c (no_unit_at_a_time_default): New global variable.
9388 (decode_options): Use it.
9389 * opts.h (no_unit_at_a_time_default): Declare.
9391 2006-02-01 Paul Brook <paul@codesourcery.com>
9393 * function.c (assign_parm_setup_reg): Use function argument promotion
9395 * expr.c (expand_expr_real_1): Use function argument promotion rules
9398 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9400 * gcc.c (process_command): Change j to 'unsigned int'.
9402 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9405 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9406 Use the corrected index for the character
9407 out of the string constant.
9409 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9411 * mode-switching.c (optimize_mode_switching): Fix size
9412 allocated for bb_info[n_entities].
9414 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9416 * gcc.c (main): Correct type that is allocated for
9417 explicit_link_files.
9419 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9421 * config/s390/s390.c (init_alignment_context): Set
9422 ALIAS_SET_MEMORY_BARRIER on the MEM.
9423 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9425 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9428 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9430 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9433 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9435 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9436 * regrename.c: Ditto.
9437 * tree-ssa-loop-im.c: Ditto.
9438 * tree-dump.c: Ditto.
9439 * tree-complex.c: Ditto.
9440 * genrecog.c: Ditto.
9441 * tree-ssa-threadupdate.c: Ditto.
9443 * java/class.c: Ditto.
9444 * java/jcf-parse.c: Ditto.
9445 * java/resource.c: Ditto.
9446 * java/except.c: Ditto.
9447 * java/jvspec.c: Ditto.
9448 * java/jcf-write.c: Ditto.
9449 * java/jcf-path.c: Ditto.
9450 * java/gjavah.c: Ditto.
9451 * java/zextract.c: Ditto.
9452 * java/jcf-io.c: Ditto.
9453 * java/jcf.h: Ditto.
9454 * java/buffer.c: Ditto.
9455 * java/lang.c: Ditto.
9456 * java/parse-scan.y: Ditto.
9457 * java/lex.c: Ditto.
9458 * java/lex.h: Ditto.
9459 * cfgloopmanip.c: Ditto.
9460 * postreload-gcse.c: Ditto.
9461 * tree-ssa-loop-manip.c: Ditto.
9462 * postreload.c: Ditto.
9463 * tree-ssa-loop-ch.c: Ditto.
9467 * diagnostic.c: Ditto.
9469 * genoutput.c: Ditto.
9471 * cfghooks.c: Ditto.
9472 * cfgloopanal.c: Ditto.
9473 * objc/objc-act.c: Ditto.
9475 * genextract.c: Ditto.
9476 * genautomata.c: Ditto.
9477 * pretty-print.c: Ditto.
9479 * cgraphunit.c: Ditto.
9482 * haifa-sched.c: Ditto.
9483 * dominance.c: Ditto.
9485 * tree-ssa-loop-ivopts.c: Ditto.
9487 * mode-switching.c: Ditto.
9488 * modulo-sched.c: Ditto.
9490 * ipa-pure-const.c: Ditto.
9492 * fix-header.c: Ditto.
9494 * tree-stdarg.c: Ditto.
9495 * ipa-utils.c: Ditto.
9496 * loop-init.c: Ditto.
9497 * ipa-inline.c: Ditto.
9500 * alloc-pool.c: Ditto.
9501 * dwarf2out.c: Ditto.
9503 * genattrtab.c: Ditto.
9504 * tree-ssa-loop-ivcanon.c: Ditto.
9508 * fortran/gfortranspec.c: Ditto.
9510 * local-alloc.c: Ditto.
9511 * langhooks.c: Ditto.
9512 * function.c: Ditto.
9513 * tree-vectorizer.c: Ditto.
9515 * ipa-type-escape.c: Ditto.
9517 * tree-if-conv.c: Ditto.
9520 * tree-data-ref.c: Ditto.
9521 * loop-unroll.c: Ditto.
9522 * treelang/treetree.c: Ditto.
9525 * ggc-common.c: Ditto.
9527 * coverage.c: Ditto.
9529 * tree-cfgcleanup.c: Ditto.
9530 * tree-ssa-pre.c: Ditto.
9531 * cfgcleanup.c: Ditto.
9532 * loop-invariant.c: Ditto.
9534 * ipa-prop.c: Ditto.
9535 * print-tree.c: Ditto.
9536 * conflict.c: Ditto.
9537 * ggc-page.c: Ditto.
9538 * sched-deps.c: Ditto.
9539 * regclass.c: Ditto.
9540 * tree-object-size.c: Ditto.
9542 * bb-reorder.c: Ditto.
9543 * resource.c: Ditto.
9544 * var-tracking.c: Ditto.
9546 * df-problems.c: Ditto.
9547 * reg-stack.c: Ditto.
9550 * sched-rgn.c: Ditto.
9551 * tree-ssa-structalias.c: Ditto.
9552 * tree-ssa-reassoc.c: Ditto.
9553 * config/darwin-c.c: Ditto.
9554 * config/darwin.c: Ditto.
9555 * config/arm/arm.c: Ditto.
9557 * collect2.c: Ditto.
9560 2006-01-31 Nicolas Pitre <nico@cam.org>
9562 * arm.md (smaxsi3): Make aware of smax_m1.
9565 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9567 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9569 2006-01-31 Richard Guenther <rguenther@suse.de>
9571 * doc/invoke.texi (-msselibm): Document.
9572 * target.h (expand_library_builtin): New target hook.
9573 * builtins.c (expand_builtin): Use expand_library_builtin.
9574 (default_expand_library_builtin): New function.
9575 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9576 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9577 (link_gcc_math_spec): Declare.
9578 (static_specs): Add link_gcc_math_spec.
9579 * expr.h (default_expand_library_builtin): Declare.
9580 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9581 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9582 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9583 * config/i386/i386.opt (msselibm): New target option.
9584 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9585 (ix86_init_sse_abi_builtins): New function.
9586 (ix86_expand_library_builtin): Likewise.
9587 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9588 (override_options): Handle error conditions wrt -msselibm.
9589 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9590 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9591 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9594 2006-01-31 Richard Guenther <rguenther@suse.de>
9595 Paolo Bonzini <bonzini@gnu.org>
9597 * doc/install.texi (--disable-libgcc-math): Document.
9599 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9601 * expr.h (expand_normal): new inline function.
9602 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9604 * dwarf2out.c: use it.
9609 * config/sparc/sparc.c: use it.
9610 * config/i386/i386.c: use it.
9611 * config/rs6000/rs6000.c: use it.
9612 * config/arm/arm.c: use it.
9613 * config/mips/mips.c: use it.
9614 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9616 2006-01-30 Roger Sayle <roger@eyesopen.com>
9618 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9619 argv to the appropriate type.
9621 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9623 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9626 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9629 * config/s390/s390.c (struct machine_function): New flag
9630 decomposed_literal_pool_addresses_ok_p.
9631 (s390_reorg): Set it before final stage of literal pool transforms.
9632 (s390_decompose_address): Only accept displacements of the form
9633 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9635 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9637 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9638 the comparison routine return.
9640 2006-01-30 Michael Matz <matz@suse.de>
9642 * global.c (find_reg): Only evict for global regs.
9643 Take n_refs into account and dump more info.
9645 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9648 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9649 (pragma_trap, pragma_nosave_low_regs): Likewise.
9650 (current_function_anonymous_args): Likewise.
9651 (sh_deferred_function_attributes): New variable.
9652 (sh_deferred_function_attributes_tail): Likewise.
9653 (print_operand): For '@', look up trap_exit attribute.
9654 (calc_live_regs): Look up trapa_handler attribute. For trapa
9655 handlers, save/restore fpscr, but don't do any other
9656 interrupt-specific saves.
9657 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9658 Fix check for partially saved registers to check for SHmedia.
9659 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9660 (sh_output_function_epilogue): Don't clear any of the removed
9662 (sh_insert_attributes): Don't check pragma_interrupt.
9663 Insert deferred attributes. Check that interrupt attribute is
9664 present for other attributes that require its presence.
9665 (sh_attribute_table): Add new attributes trapa_handler and
9667 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9668 Don't check for pragma_interrupt. Don't store argument.
9669 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9670 (sh_deferred_function_attributes): Declare.
9671 (sh_deferred_function_attributes_tail): Likewise.
9672 * sh.md (sp_switch_1): Add operand. Change generator caller.
9673 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9674 (*return_i): Don't use when trap_exit attribute is in effect.
9675 (*return_trapa): New insn pattern.
9677 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9678 setting c_target_objs and cxx_target_objs.
9679 * t-sh: Add rule for sh-c.o.
9681 2006-01-30 Richard Guenther <rguenther@suse.de>
9684 * gimplify.c (gimplify_target_expr): Handle easy cases
9685 without creating a temporary.
9687 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9689 * vec.h (safe_grow): Remove duplicated line.
9691 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9694 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9695 (expand_omp): ... here.
9696 (expand_omp_parallel): Only remove barriers for combined
9697 parallel+workshare constructs.
9699 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9703 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9704 * tree.c (build_qualified_type): Chain the new type to the original
9705 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9706 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9707 (build_pointer_type_for_mode): Only return unqualified types.
9708 (build_reference_type_for_mode): Likewise.
9710 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9712 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9713 * Makefile.in (CXX_COMPAT_WARN): Define.
9714 * configure: Regenerate.
9716 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9719 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9722 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9724 * toplev.c: Fix thinko.
9726 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9727 Marcin Dalecki <martin@dalecki.de>
9729 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9730 (push_srcloc): Use XNEW.
9731 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9733 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9735 * df-core.c (df_set_blocks): Deleted all variable.
9737 2006-01-28 Ian Lance Taylor <ian@airs.com>
9739 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9740 cgraph_output_pending_asms.
9742 2006-01-28 Zack Weinberg <zackw@panix.com>
9744 * c.opt: Add -W(no-)overlength-strings.
9745 * doc/invoke.texi: Document it.
9746 * c-opts.c (c_common_handle_option): -pedantic implies
9747 -Woverlength-strings, if not explicitly disabled already.
9748 (c_common_post_options): -Woverlength-strings defaults to off, and
9749 is always off for C++.
9750 * c-common.c (fix_string_type): Issue warning about strings longer
9751 than is portable only if warn_overlength_strings. Rearrange code
9752 a little for clarity.
9753 * configure.in: Check for -Wno-overlength-strings as well before
9754 enabling -pedantic in stage 1.
9755 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9756 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9758 * genconditions.c (write_header, write_one_condition)
9759 (write_conditions, write_writer): Consolidate very long strings
9760 that were broken up to fit in C89 portable limit. Don't use
9761 printf when fputs will do.
9763 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9765 * combine.c (simplify_comparison <AND>): Check
9766 TRULY_NOOP_TRUNCATION before start using a subreg.
9768 * config/mips/mips.md (*branch_zero<mode>,
9769 *branch_zero<mode>_inverted, *branch_equality<mode>,
9770 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9771 Remove mode check from comparisons.
9773 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9775 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9777 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9779 * expmed.c (const_mult_add_overflow_p): Remove.
9780 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9782 * recog.c (validate_replace_rtx_subexp): Remove.
9783 * recog.h: Remove the prototype for
9784 validate_replace_rtx_subexp.
9786 * integrate.h: Remove the prototype for
9787 copy_decl_for_inlining.
9788 * rtl.h: Remove the prototype for mark_constant_function.
9789 * tree-vectorizer.h: Remove the prototype for
9790 vect_strip_conversion.
9792 * modulo-sched.c (create_partial_schedule,
9793 free_partial_schedule, reset_partial_schedule): Make them
9796 * hooks.c (hook_bool_rtx_int_false): Remove.
9797 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9799 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9801 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9802 and -mlong-double-128 are incompatible.
9803 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9804 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9805 (TARGET_LIBGCC2_CFLAGS): Define.
9806 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9807 (TARGET_LIBGCC2_CFLAGS): Same.
9808 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9810 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9813 * c-typeck.c (build_binary_op): Perform implicit casts of
9814 operands before shortening them.
9816 * cfgloopmanip.c (split_loop_bb): Remove.
9817 * cfgloop.h: Remove the prototype for split_loop_bb.
9819 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9820 * cfgloop.h: Remove the prototype for
9821 flow_loop_outside_edge_p.
9823 * emit-rtl.c (init_virtual_regs): Make it static.
9824 * function.h: Remove the prototype for init_virtual_regs.
9826 * recog.c (peephole2_optimize): Make it static.
9827 * recog.h: Remove the prototype for peephole2_optimize.
9829 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9831 * df-scan.c (df_record_entry_block_defs): Check if
9832 INCOMING_RETURN_ADDR_RTX is defined.
9834 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9835 Kenneth Zadeck <zadeck@naturalbridge.com>
9837 PR rtl-optimization/24762
9838 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9839 * targhooks.c (hook_void_bitmap): New hook prototype.
9840 * targhoohs.h (hook_void_bitmap): Ditto.
9841 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9842 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9843 * target.h (live_on_entry): New function pointer.
9844 * df-scan.c (df_all_hard_regs): Removed.
9845 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9846 (df_scan_free_internal): Added df->entry_block_defs.
9847 (df_scan_alloc): Ditto.
9848 (df_scan_dump): Ditto.
9849 (df_uses_record): Plumbed flag field properly thru calls.
9850 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9851 This part fixes PR24762.
9852 (df_bb_refs_record): Added code to make the frame and arg
9853 pointers live in EH blocks.
9854 (df_refs_record): Added call to df_record_entry_block_defs.
9855 (df_record_entry_block_defs): New function.
9856 * df-core.c: Added comments to describe new artifical defs.
9857 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9858 (entry_block_defs): New field in struct df.
9859 (df_all_hard_regs): Deleted.
9860 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9861 * df-problems.c (df_ru_bb_local_compute_process_def):
9862 Added code to handle artifical defs in the entry to a function.
9863 (df_ru_bb_local_compute): Ditto.
9864 (df_rd_bb_local_compute_process_def): Ditto.
9865 (df_rd_bb_local_compute): Ditto.
9866 (df_lr_bb_local_compute): Ditto.
9867 (df_ur_bb_local_compute): Ditto.
9868 (df_urec_bb_local_compute): Ditto.
9869 (df_chain_create_bb): Ditto.
9870 (df_ur_local_finalize): Removed entry.
9871 (df_urec_init): Ditto.
9872 (df_urec_local_finalize): Ditto.
9873 (df_ri_bb_compute): Added detection of last use of pseudos.
9874 * Makefile.in (df-scan.o): Updated dependencies.
9875 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9876 * config/mips/mips.c (mips_set_live_on_entry): Added.
9877 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9879 * dce.c (marked_insn_p): Added code to handle artifical defs.
9881 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9883 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9885 (_mm_cvtsi128_si64): Likewise.
9886 (_mm_cvtsd_si64): Likewise.
9887 (_mm_cvttsd_si64): Likewise.
9888 (_mm_cvtsi64_sd): Likewise.
9889 (_mm_cvtsi64_si128): Likewise.
9890 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9891 (_mm_cvtsi64_m64): Likewise.
9892 (_m_to_int64): Likewise.
9893 (_mm_cvtm64_si64): Likewise.
9894 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9895 (_mm_cvttss_si64): Likewise.
9896 (_mm_cvtsi64_ss): Likewise.
9897 (_mm_cvtss_f32): Likewise.
9899 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9901 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9902 for pragma redefine_extname.
9904 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9907 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9908 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9909 -mno-minimal-toc to previous content.
9910 (bispecs): Remove goal.
9911 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9912 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9913 compatibility aliases on powerpc-*-*gnu*.
9914 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9915 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9916 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9917 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9918 (ldblspecs): New goal.
9919 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9920 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9922 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9923 L_sf_to_tf or L_df_to_tf is defined.
9925 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9926 Alan Modra <amodra@bigpond.net.au>
9929 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9930 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9931 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9932 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9933 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9934 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9935 (rs6000_override_options): Initialize rs6000_ieeequad.
9936 Initialize TFmode format to ibm_extended_format if not
9938 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9940 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9941 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9942 (function_arg_advance): IBM long double passed in two FPRs, not
9944 (function_arg): IBM long double passed in FPRs.
9945 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9946 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9947 Only multireg GPR aligned.
9948 (rs6000_init_libfuncs): Enable IBM long double functions if not
9950 (rs6000_generate_compare): Use IBM long double compare if not
9952 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9953 (TARGET_IEEEQUAD): Define.
9954 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9955 not TARGET_IEEEQUAD.
9956 * config/rs6000/rs6000.md: Enable TFmode patterns if
9958 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9959 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9960 and -mlong-double-128 are incompatible.
9961 * doc/invoke.texi (-mabi): Collect options together. Add
9962 ibmlongdouble and ieeelongdouble.
9964 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9966 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9968 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9969 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9970 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9971 * rtl.h (rtunion_def): Remove rt_ptr.
9973 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9974 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9975 * config/i386/winnt.c (i386_pe_mark_dllexport)
9976 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9978 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9980 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9982 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9986 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9987 pthread_key_delete. From John David Anglin. gthrw-ify
9988 pthread_getunique_np only if it it's not a macro. Delete
9990 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9991 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9992 __gthread_objc_condition_signal, __gthread_key_delete): Add
9993 "__attribute__ ((__unused__))" to unused arguments.
9994 (__gthread_recursive_mutex_init_function): Add missing return.
9995 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9996 gthr-posix95.h: Use macro-based approach for name redirection
9997 on targets missing weakref.
9999 2006-01-26 Zack Weinberg <zackw@panix.com>
10001 * genconditions.c (write_header): In generated code, #ifdef out
10002 all includes and fake declarations, except includes of bconfig.h
10003 and system.h, unless GCC_VERSION >= 3001. Do not include
10004 gensupport.h in any case.
10005 (write_conditions): Generate a definition of struct c_test. Add
10006 a comment to the generated #endif.
10007 (write_one_condition): Escape backslashes in string too.
10008 (write_writer): Generated code must escape backslashes and quote
10009 marks (but not newlines) in the strings it writes.
10010 * Makefile.in (build/gencondmd.o): Update dependencies.
10012 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10015 * Makefile.in (insn-automata.o): Add header file dependencies.
10016 * genautomata.c: Add includes.
10018 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10021 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10023 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10025 * configure.ac: Expect target tools paths to be passed from the toplevel
10026 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10028 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10030 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10033 * c.opt (Wpointer-sign): Init to -1.
10034 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10035 OPT_pedantic, to 0 otherwise.
10036 * doc/invoke.texi: Update.
10038 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10040 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10041 constants provided by 80387 instructions in the destination mode.
10043 2006-01-26 Richard Guenther <rguenther@suse.de>
10044 Andrew Pinski <pinskia@physics.uc.edu>
10047 partial PR tree-opt/17064
10048 * tree-ssa-structalias.c (intra_create_variable_infos):
10049 Create heap variables for incoming parameters if
10050 flag_argument_noalias > 1.
10051 (find_what_p_points_to): Look through default defs of
10054 2006-01-26 Jeff Law <law@redhat.com>
10057 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10058 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10059 within the VR_RANGE, use the VR_RANGE as the result, not the
10061 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10062 bounds for the type.
10064 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10066 * tree-ssa-alias.c (maybe_create_global_var): Change
10067 subvar walking to an assertion that we don't have subvar'd variables.
10069 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10072 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10073 Use a new variable, inner. PARM_DECLs are always non-weak.
10075 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10077 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10078 --disable-checking.
10080 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10082 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10084 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10086 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10087 (smax_insn, smin_insn, smax_0, smin_0): New.
10089 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10092 * config/cris/cris.c (cris_order_for_addsi3): New function.
10093 * config/cris/cris-protos.h: Prototype it.
10094 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10095 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10096 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10097 (split for "op.S1 [rx=rx+i],ry (swapped)")
10098 (split for "op(s|u).S1 [rx=rx+i],ry")
10099 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10100 Apply cris_order_for_addsi3 when generating addsi3 insns.
10102 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10104 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10105 (TREE_BLOCK): Add call to EXPR_CHECK.
10107 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10110 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10111 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10112 (dump_omp_clauses): ... here.
10113 (dump_generic_node): Handle OMP_CLAUSE.
10114 * tree.c (omp_clause_num_ops): New.
10115 (omp_clause_code_name): New.
10116 (tree_code_size): Handle OMP_CLAUSE.
10117 (tree_size): Likewise.
10118 (make_node): Document handling of OMP_CLAUSE.
10119 (tree_node_structure): Handle OMP_CLAUSE.
10120 (omp_clause_check_failed): New.
10121 (omp_clause_range_check_failed): New.
10122 (omp_clause_operand_check_failed): New.
10123 (build_omp_clause): New.
10124 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10125 * tree.h (enum omp_clause_code): Declare.
10126 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10127 (OMP_CLAUSE_RANGE_CHECK): Define.
10128 (OMP_CLAUSE_ELT_CHECK): Define.
10129 (omp_clause_check_failed): Declare.
10130 (omp_clause_operand_check_failed): Declare.
10131 (omp_clause_range_check_failed): Declare.
10132 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10133 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10134 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10135 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10136 (OMP_CLAUSE_IF_EXPR): Likewise.
10137 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10138 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10139 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10140 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10141 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10142 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10143 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10144 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10145 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10146 (OMP_CLAUSE_CODE): Define.
10147 (OMP_CLAUSE_SET_CODE): Define.
10148 (OMP_CLAUSE_CODE): Define.
10149 (OMP_CLAUSE_OPERAND): Define.
10150 (struct tree_omp_clause): Declare.
10151 (union tree_node): Add field 'omp_clause'.
10152 * treestruct.def (TS_OMP_CLAUSE): Define.
10153 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10154 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10155 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10156 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10157 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10158 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10159 (OMP_CLAUSE): Define.
10160 * print-tree.c (print_node): Handle OMP_CLAUSE.
10161 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10162 * c-typeck.c: Likewise.
10163 * gimplify.c: Likewise.
10164 * c-omp.c: Likewise.
10165 * tree-nested.c: Likewise.
10166 * tree-inline.c: Likewise.
10167 * c-parser.c: Likewise.
10168 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10171 2006-01-25 Roger Sayle <roger@eyesopen.com>
10173 PR rtl-optimization/25703
10174 * combine.c (try_combine): Handle zero_extract and strict_low_part
10175 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10177 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10179 * global.c: Fix comment typos.
10181 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10184 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10185 Use output_addr_const instead of assemble_name.
10187 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10189 * Makefile.in (sched-vis.o): Update dependencies.
10190 * haifa-sched.c (sched_finish): Clear current_sched_info.
10191 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10192 (dump_flow_info): Call it.
10193 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10195 * basic-block.h (dump_bb_info): Declare.
10196 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10197 option, and apply options only for dump files whose TDF_RTL,
10198 TDF_TREE, or TDF_IPA bits match.
10199 * rtl.h: Declare new functions exported from sched-vis.c.
10200 * sched-vis.c: Enable also if scheduling is not used.
10201 (print_value): Print the mode of registers if not inside scheduling.
10202 (print_insn): Make it work outside the scheduler. Beautify the output
10204 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10206 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10208 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10209 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10210 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10211 depending on the value of CONSTANT_POOL_ADDRESS_P.
10212 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10214 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10215 rather than SYMBOL_REF_DECL.
10216 (rtx_constant_pool): Remove const_rtx_sym_htab.
10217 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10218 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10219 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10220 Remove handling of const_rtx_sym_htab.
10221 (find_pool_constant): Delete.
10222 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10223 rather than find_pool_constant.
10224 (get_pool_constant_for_function): Delete.
10225 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10226 find_pool_constant.
10227 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10228 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10229 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10230 (SYMBOL_REF_CONSTANT): New macro.
10231 (get_pool_constant_for_function): Delete.
10232 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10233 rather than SYMBOL_REF_DECL.
10234 (i386_pe_mark_dllimport): Likewise.
10235 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10236 rather than SYMBOL_REF_DECL.
10237 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10238 (machopic_indirect_call_target): Likewise.
10240 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10242 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10244 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10246 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10248 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10250 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10252 2006-01-24 David Daney <ddaney@avtrex.com>
10255 * configure.ac (enable_tls): New enable option.
10256 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10257 * configure: Regenerate.
10258 * doc/install.texi (--enable-tls): Document new option.
10259 (--disable-tls): Ditto.
10261 2006-01-24 Richard Henderson <rth@redehat.com>
10263 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10264 * alias.c (true_dependence): Respect it.
10265 (canon_true_dependence, write_dependence_p): Likewise.
10266 * builtins.c (get_builtin_sync_mem): Set it.
10268 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10270 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10273 2006-01-24 DJ Delorie <dj@redhat.com>
10275 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10276 for storing constants in single-bit bitfields.
10278 2006-01-25 Ben Elliston <bje@au.ibm.com>
10280 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10282 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10285 * tree-ssa-pre.c (phi_translate): Return NULL
10286 for AGGREGATE_TYPE's.
10288 2006-01-24 Zack Weinberg <zackw@panix.com>
10290 * genautomata.c (process_state_for_insn_equiv_partition):
10291 Use xcalloc for insn_arcs_array.
10292 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10293 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10295 2006-01-24 Richard Henderson <rth@redhat.com>
10297 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10298 update all callers.
10300 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10302 PR rtl-optimization/25890
10303 PR rtl-optimization/25905
10304 * combine.c (expand_compound_operation, expand_field_assignment):
10305 Fail if the bitfield's final position is out of bounds.
10307 2006-01-24 Ian Lance Taylor <ian@airs.com>
10309 PR middle-end/25930
10310 * cgraphunit.c (cgraph_output_in_order): Don't clear
10311 cgraph_asm_nodes until after asm strings have been output.
10313 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10315 * fix-header.c (read_scan_file): Add new parameter imultilib when
10316 calling register_include_chains.
10318 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10320 * omp-low.c: Update documentation.
10322 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10323 Daniel Berlin <dberlin@dberlin.org>
10327 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10328 return from the function.
10330 2006-01-22 Zack Weinberg <zackw@panix.com>
10332 * rtl.def (match_code): Add second argument.
10333 * genpreds.c (write_extract_subexp): New function.
10334 (write_match_code): Add path argument. Use write_extract_subexp.
10335 (write_predicate_expr): Pass path to write_match_code.
10336 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10337 not perform a mode test.
10338 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10339 a subexpression does not constrain the top-level code set.
10340 * read-rtl.c (read_rtx_variadic): New function.
10341 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10342 * doc/md.texi: Document new notation.
10343 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10344 (cmpsi_operand): ... here, using new notation.
10346 2006-01-22 Zack Weinberg <zackw@panix.com>
10348 * varray.c: Remove GENERATOR_FILE #ifdefs.
10350 2006-01-22 Zack Weinberg <zackw@panix.com>
10352 * genautomata.c (output_reserved_units_table): Emit nothing if
10353 description->query_units_num is zero. Remove extra blank line.
10354 (output_cpu_unit_reservation_p): Short circuit
10355 if description->query_units_num is zero.
10357 2006-01-22 Zack Weinberg <zackw@panix.com>
10359 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10360 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10361 nor any of the random handful of variables that used to be necessary
10362 when this program was linked with rtlanal.o. Prune set of forward
10363 function declarations.
10364 (struct attr_desc): Remove static_p field.
10365 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10366 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10367 (attr_string): Do not read the character one past the length of
10369 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10370 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10371 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10372 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10373 (make_automaton_attrs): New.
10374 (main): Do not call into genautomata. Call local gen_bypass
10375 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10376 Remove special case for insn_alts.
10377 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10378 varray.h (leftover from previous change). Prune set of forward
10379 function declarations. Remove state_alts fields from all
10380 structures. Remove state_alts_table from struct automaton.
10381 Make everything except main static. Do not maintain num_dfa_decls.
10382 Do not maintain state_alts fields of various structures.
10383 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10384 (add_arc): Remove state_alts argument. All callers updated.
10385 (output_reserved_units_table): Emit #ifdef here...
10386 (output_tables): ...not here. Don't generate state_alts tables.
10387 (expand_automata): Don't generate attributes.
10388 (write_automata): Don't generate state_alts functions.
10389 (main): New function.
10390 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10391 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10392 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10393 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10394 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10395 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10396 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10397 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10399 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10400 * genattrtab.h: Delete file.
10401 * Makefile.in (OBJS-common): Add insn-automata.o.
10402 (insn-automata.o): New rule.
10403 (simple_generated_c): Add insn-automata.c.
10404 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10405 (genprogmd): Add automata.
10406 (build/genattrtab): Needs no extra objects nor libraries.
10407 (build/genautomata): Needs build/vec.o and -lm.
10409 2006-01-22 Zack Weinberg <zackw@panix.com>
10411 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10412 (output_dfa_max_issue_rate, locked_states_num): Delete.
10413 (struct automaton): Add locked_states field.
10414 (output_dead_lock_vect): Save number of locked states in
10415 automaton->locked_states. If it is zero, don't print anything.
10416 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10417 (output_internal_dead_lock_func): Only test the dead_lock_vect
10418 for automata that have locked states.
10419 (output_statistics): Always print the number of locked states for
10420 each automaton. Calculate total number of locked states here.
10421 (write_automata): Don't call output_dfa_max_issue_rate.
10422 * genattrtab.c: Define length_unit_log as a const variable.
10423 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10424 max_insn_queue_index const.
10425 * final.c (length_unit_log): Declare const.
10426 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10428 2006-01-22 Zack Weinberg <zackw@panix.com>
10430 * genautomata.c: Include vec.h, not varray.h.
10431 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10432 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10433 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10434 VEC_* macros operating on appropriately typed vectors, or to
10435 malloced arrays when the size is known in advance. Const-ify
10436 many char* variables and function arguments. No functional changes.
10437 * Makefile.in (build/varray.o): Delete rule.
10438 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10439 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10441 2006-01-22 Zack Weinberg <zackw@panix.com>
10443 * gensupport.c: Define get_insn_name and record_insn_name here.
10444 (read_md_rtx): Call record_insn_name as appropriate.
10445 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10446 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10447 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10449 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10450 (BUILD_VARRAY): Delete.
10451 (genprognormal): Rename genprogmd. Fold in all programs from
10452 genprognoprint; also attrtab.
10453 (build/genattrtab): Just mention genautomata.o and varray.o.
10454 Reorganize a bit, add comments to make the categories clearer.
10456 2006-01-22 Zack Weinberg <zackw@panix.com>
10458 * genconditions.c (condition_table, add_condition): Delete.
10459 (write_conditions): Don't emit n_insn_conditions nor
10460 insn_elision_unavailable. Issue the gcc version #ifdef here,
10461 inside the table, with no #else clause ...
10462 (write_header): ...not here.
10463 (write_writer): New function.
10464 (main): Don't initialize condition_table. Use add_c_test.
10466 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10467 files on the command line.
10468 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10469 Return -1 if there is no entry in the table, don't abort.
10470 (add_c_test, traverse_c_tests): New functions.
10471 * gensupport.h (insn_elision_unavailable, insn_conditions)
10472 (n_insn_conditions): Delete declarations.
10473 (add_c_test, traverse_c_tests): Declare.
10474 * read-rtl.c: Include gensupport.h.
10475 (read_conditions): New function.
10476 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10477 (read_rtx_1): If we get EOF when we were looking for an initial
10478 open paren, return 0. Call read_conditions when appropriate.
10479 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10480 dummy-conditions.o. Eliminate references to insn-conditions.o,
10481 or change them to build/gencondmd.o, as appropriate. Remove
10482 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10483 from $(simple_generated_c). For all files remaining in those
10484 two lists, add insn-conditions.md to the generator command line.
10485 Give insn-constants.h/s-constants their own rules. Add rules
10486 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10487 (build/read-rtl.o): Depend on gensupport.h.
10488 (genprognormal): Include preds.
10489 (genprogearly): Rename genprognoprint; only difference is now that
10490 they don't link with $(BUILD_PRINT).
10491 * dummy-conditions.c: Delete.
10493 2006-01-22 Zack Weinberg <zackw@panix.com>
10495 * genextract.c: Don't include insn-config.h. Do include vec.h.
10496 Declare vectors of int, char, and locstr.
10497 (locstr): New typedef.
10498 (struct extraction): Make all array fields into bare pointers.
10499 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10500 (insn_code_number): Delete.
10501 (accum_extract): New struct.
10502 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10503 (gen_insn): Take insn_code_number as an argument. Use an
10504 accum_extract structure instead of loading data directly into
10505 a struct extraction, and having to know how big it might get.
10506 (walk_rtx): Operate entirely on an accum_extract structure.
10507 (print_path): Avoid unnecessary use of printf.
10508 (print_header): New function, split out of main. Distinguish
10509 more carefully between an unrecognizable insn and an insn that
10510 has the code number of a define_expand.
10511 (main): Pass insn_code_number to gen_insn. Call print_header
10512 only after parsing. Avoid unnecessary use of printf.
10513 * Makefile.in (build/vec.o): New rule.
10514 (build/genextract): Depend on build/vec.o.
10515 (build/genextract.o): Don't depend on insn-config.h.
10517 2006-01-22 Zack Weinberg <zackw@panix.com>
10519 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10520 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10521 practical. Eliminate per-generator-program link rules.
10523 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10525 PR middle-end/24437
10526 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10527 with a call expr to ...
10528 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10530 2006-01-23 Richard Guenther <rguenther@suse.de>
10532 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10533 before make_edge with conditional EDGE_TRUE_VALUE.
10535 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10536 Jan Hubicka <jh@suse.cz>
10537 Richard Guenther <rguenther@suse.de>
10539 PR rtl-optimization/25654
10540 * cfgexpand.c (aggregate_contains_union_type): New function.
10541 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10542 for structure variables that contain a union type.
10544 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10546 * gengtype.c (new_structure): Return the structure.
10547 (create_option): Add an extra "next" argument.
10548 (create_field): New function.
10549 (adjust_field_rtx_def): Use create_option and create_field.
10550 Remove a now-unnecessary call to find_structure.
10551 (adjust_field_tree_def): Likewise.
10552 (note_yacc_type): Remove an unnecessary call to find_structure.
10553 * gengtype.h (new_structure): Return the structure.
10554 (create_option): Add an extra argument.
10555 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10556 (option): Adjust calls to create_option.
10558 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10560 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10562 2006-01-22 Paul Brook <paul@codesourcery.com>
10563 Peter Barada <peter@the-baradas.com>
10565 * config/m68k/m68k.md: Add Coldfire FPU support.
10566 Define FP mode macro and associated attributes.
10567 Use it for float mode patterns.
10568 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10569 (LIBCALL_VALUE): Use m68k_libcall_value.
10570 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10571 (m68k_function_value): Ditto.
10572 (emit_move_sequence): Ditto.
10573 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10574 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10575 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10576 (MULTILIB_EXCEPTIONS): Ditto.
10577 * config/m68k/m68k.opt: Add mcfv4e.
10578 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10579 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10580 (m68k_output_function_prologue): Save ColdFire FPU registers.
10581 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10582 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10583 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10584 ColdFire FPU registers.
10585 (m68k_libcall_value, m68k_function_value): New functions.
10586 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10587 (LIBCALL_VALUE): Use m68k_libcall_value.
10588 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10589 (MASK_COLDFIRE): Add MASK_CFV4E.
10590 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10591 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10592 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10593 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10594 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10595 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10596 * doc/invoke.tex: Document -mcfv4e on m68k.
10598 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10600 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10603 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10606 * c-opts.c (c_common_handle_option): Don't include
10607 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10608 * doc/invoke.texi (C++ Dialect Options): Document that
10609 -Wnon-virtual-dtor is no longer included in -Wall.
10611 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10613 * gcov.c (print_version), gcov-dump.c (print_version),
10614 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10617 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10619 * df-scan.c (problem_SCAN): Added NULL reset function.
10620 (df_scan_reset_blocks): Added code to call reset block function
10621 (df_bb_refs_delete) Fixed comment.
10622 (df_insn_refs_delete): Made tolerant of deleting non existent info
10623 for dataflow problems that need to be reset.
10624 * df-core.c (df_set_blocks): Ditto.
10625 * df.h (struct df_problem): Added reset_fun.
10626 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10627 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10628 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10629 functions to clear out all references to def-use or use-def chains.
10631 2006-01-21 Ben Elliston <bje@au.ibm.com>
10633 * varasm.c (assemble_real): Initialise data array.
10635 2006-01-20 Paul Brook <paul@codesourcery.com>
10637 Merge from csl-arm-branch.
10638 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10639 * config/arm/arm.md (movdi): Force operands[1] to a register
10640 if we have a non-register source.
10641 (*arm_movdi, *movdf_soft_insn): Require that one of the
10642 operands be a register.
10643 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10644 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10646 2006-01-20 DJ Delorie <dj@redhat.com>
10648 * varasm.c (initializer_constant_valid_p): Allow pointers
10649 initialized from integer constants of lesser precision.
10650 (output_constant): Allow non-int-sized pointer modes to be
10651 initialized from integer constants.
10653 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10656 * cppdefault.h (struct default_include): Add multilib flag.
10657 * cppdefault.c (cpp_include_defaults): Set it.
10658 * c.opt (-imultilib): New option.
10659 * c-opts.c (imultilib): New.
10660 (c_common_handle_option): Handle -imultilib.
10661 (c_common_post_options): Likewise.
10662 * c-incpath.c (add_standard_paths, register_include_chains):
10664 * c-incpath.h (register_include_chains): Add extra parameter.
10665 * gcc.c (do_spec_1): Generate -imultilib option.
10666 (The Specs Language): Update %I description.
10667 (process_command): Update copyright notice.
10668 * doc/cppopts.texi (-imultilib): Document.
10669 * doc/invoke.texi (-imultilib): Include in option summary.
10670 (%I): Update specs documentation.
10672 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10674 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10676 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10678 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10681 2006-01-20 Richard Guenther <rguenther@suse.de>
10682 Steven Bosscher <stevenb.gcc@gmail.com>
10684 PR rtl-optimization/24626
10685 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10686 EDGE_TRUE_VALUE if in RTL mode.
10689 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10690 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10692 2006-01-20 Dirk Mueller <dmueller@suse.com>
10695 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10696 instead of a special NOP marker.
10697 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10698 NOP marker handling.
10699 * c-common.h (empty_body_warning): Add forward declaration.
10700 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10701 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10703 2006-01-20 Paul Brook <paul@codesourcery.com>
10705 * Makefile.in (lang_checks): Keep going if mkdir fails.
10707 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10709 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10710 be able to clean out basic block when not necessary.
10711 (df_scan_free): Fixed to properly delete information if df is
10712 unused before calling df_finish.
10713 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10714 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10716 (df_bb_refs_delete): New function.
10717 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10718 * df-core.c (df_set_blocks): Added code to properly clean out
10719 unused blocks if they are not part of the blocks to consider.
10720 Added additional null check.
10721 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10722 be able to clean out basic block when not necessary
10723 * df.h (df_free_bb_function): Ditto.
10724 (df_bb_refs_delete): New function.
10725 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10726 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10727 basic block parameter to be able to clean out basic block when not
10729 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10730 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10731 Fixed to properly delete information if df is unused before
10734 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10736 PR rtl-optimization/25799
10737 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10738 Corrected confluence operator to remove bits from op2 before oring
10739 with op1 rather than removing bits from op1.
10740 (df_ru_transfer_function): Corrected test on wrong bitmap which
10741 caused infinite loop. Both of these problems were introduced in
10742 the dataflow rewrite.
10744 2006-01-19 DJ Delorie <dj@redhat.com>
10746 * reload1.c (find_reload_regs): Note the details of reload
10747 failures in the dump file.
10748 (spill_failure): Likewise.
10750 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10752 * loop-iv.c: Include df.h and hashtab.h.
10753 (enum iv_grd_result): New enum.
10754 (DF_REF_IV, DF_REF_IV_SET): New macros.
10755 (struct biv_entry): New.
10756 (df, bivs): New global variables.
10757 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10758 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10760 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10761 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10762 analyzed_for_bivness_p, record_biv): New functions.
10763 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10764 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10765 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10767 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10769 (iv_number_of_iterations): Use new interface to iv analysis.
10770 * loop-unroll.c: Do not include varray.h.
10771 (analyze_iv_to_split_insn): Use new interface to iv
10773 * loop-unswitch.c (may_unswitch_on): Ditto.
10774 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10776 (df_bb_modify): Realloc tables to the new index.
10777 (df_find_use): New function.
10778 * df.h (df_find_use): Declare.
10779 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10781 * cfgloop.h (struct rtx_iv): Remove analysed field.
10782 (iv_get_reaching_def): Removed.
10783 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10784 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10785 (loop-iv.o): Add df.h and hashtab.h dependency.
10786 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10788 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10791 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10793 (__floatundisf, __floatundidf): Likewise.
10794 * libgcc2.h (IS_IBM_EXTENDED): Define.
10796 2006-01-19 DJ Delorie <dj@redhat.com>
10798 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10800 2006-01-19 Paul Brook <paul@codesourcery.com>
10802 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10803 as nothrow when unwinding tables are disabled.
10805 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10808 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10809 of bit-field" when in system header.
10811 2006-01-19 DJ Delorie <dj@redhat.com>
10813 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10814 the 16 bit shift limit of the m16c.
10816 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10819 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10820 * config/i386/i386.c (output_set_got): Output the label if we have one
10821 for the TARGET_DEEP_BRANCH_PREDICTION case.
10823 2006-01-19 Jan Hubicka <jh@suse.cz>
10824 H.J. Lu <hongjiu.lu@intel.com>
10825 Evandro Menezes <evandro.menezes@amd.com>
10827 * invoke.texi (generic): Document
10829 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10830 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10831 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10832 (x86_use_incdec, x86_pad_returns): New variables
10833 (TARGET_CPU_DEFAULT_generic): New constant
10834 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10835 (enum processor_type): Add generic32 and generic64.
10836 * i386.md (cpu attribute): Add generic32/generic64
10837 (movhi splitter): Behave sanely when both partial_reg_dependency and
10838 partial_reg_stall are set.
10839 (K8 splitters): Enable for generic as well.
10840 * predicates.md (incdec_operand): Use TARGET_INCDEC
10841 (aligned_operand): Avoid memory mismatch stalls.
10842 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10843 * ppro.md: Enable for generic32
10844 * i386.c (generic64_cost, generic32_cost): New.
10845 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10846 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10847 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10848 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10849 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10850 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10851 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10852 x86_accumulate_outgoing_args, x86_prologue_using_move,
10853 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10854 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10855 Enable for generic.
10856 (x86_use_incdec, x86_pad_returns): New.
10857 (override_options): Add generic32 and generic64, translate "generic"
10858 to generic32/generic64 and "i686" to "generic32", refuse
10859 "generic32"/"generic64" as arch target.
10860 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10861 (ix86_reorg): Honor PAD_RETURNS.
10863 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10865 * tree-pretty-print.c (dump_generic_node): Handle
10866 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10867 * cgraph.c (cgraph_expand_queue): Rename from
10868 cgraph_analyze_queue. Update all users.
10869 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10870 cgraph_expand_queue.
10871 (cgraph_expand_all_functions): Likewise.
10872 (cgraph_finalize_pending_functions): Remove. Update callers.
10874 * tree.h (OMP_DIRECTIVE_P): Define.
10875 (OMP_PARALLEL_FN): Define.
10876 (OMP_PARALLEL_DATA_ARG): Define.
10877 (OMP_SECTIONS_SECTIONS): Define.
10878 * tree-pass.h (pass_expand_omp): Declare.
10879 * omp-low.c (struct omp_region): Declare.
10880 (struct omp_context): Remove fields 'parallel_type',
10881 'parallel_start_ix' and 'parallel_start_additional_args'.
10883 (struct omp_for_data): Rename from struct expand_omp_for_data.
10884 (omp_regions): New static variable.
10885 (root_omp_region): New static variable.
10886 (find_omp_clause): Make static.
10887 (is_in_combined_parallel_ctx): Remove.
10888 (is_combined_parallel): New.
10889 (extract_omp_for_data): Move earlier in the file.
10890 (workshare_safe_to_combine_p): New.
10891 (get_ws_args_for): New.
10892 (determine_parallel_type): Move earlier in the file.
10893 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10895 (omp_copy_decl): Likewise.
10896 (create_omp_child_function): Likewise.
10897 (lookup_omp_region): New.
10898 (dump_omp_region): New.
10899 (debug_omp_region): New.
10900 (debug_all_omp_regions): New.
10901 (new_omp_region): New.
10902 (scan_omp_parallel): If parallel_nesting_level > 1, the
10903 directive is nested within another parallel directive.
10904 Set OMP_PARALLEL_FN.
10905 (scan_omp_for): Do not try to handle combined parallel+for
10907 Remove FIXME comment.
10908 (scan_omp_nested): Remove.
10909 (scan_omp_1): Do not call scan_omp_nested when
10910 parallel_nesting_level is > 1.
10911 Do not change the DECL_CONTEXT of local variables found.
10912 (lookup_decl_in_outer_ctx): New.
10913 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10914 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10915 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10916 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10917 If CTX is nested, lookup VAR in the outer context when
10918 building copy assignment.
10919 (lower_send_clauses): Rename from expand_send_clauses.
10920 If CTX is nested, lookup VAR in the outer context when
10921 building copy assignments.
10922 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10923 If CTX is nested, lookup VAR in the outer context when
10924 building copy assignments.
10925 (expand_parallel_call): Rename from build_parallel_call.
10926 Handle combined parallel+workshare cases.
10927 Re-implement to emit code into the CFG.
10929 (expand_omp_parallel): Re-implement to emit code into the CFG.
10930 Call move_sese_region_to_fn to outline the sub-graph
10931 containing the parallel region.
10932 (expand_omp_for_1): Remove.
10933 (expand_omp_for_generic): Re-implement to emit code into the
10935 (expand_omp_for_static_nochunk): Likewise.
10936 (expand_omp_for_static_chunk): Likewise.
10937 (expand_omp_for): Likewise.
10938 (expand_omp_sections): Likewise.
10939 (remove_exit_barriers): New.
10940 (expand_omp_synch): New.
10942 (build_omp_regions_1): New.
10943 (build_omp_regions): New.
10944 (execute_expand_omp): New.
10945 (gate_expand_omp): New.
10946 (pass_expand_omp): Define.
10947 (lower_omp_sections): Rename from expand_omp_sections.
10948 Set OMP_SECTIONS_SECTIONS.
10949 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10950 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10951 (lower_omp_single): Rename from expand_omp_simple.
10952 (lower_omp_master): Rename from expand_omp_master.
10953 (lower_omp_ordered): Rename from expand_omp_ordered.
10954 (lower_omp_critical): Rename from expand_omp_critical.
10955 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10956 (lower_omp_for): Re-implement.
10957 (lower_omp_parallel): Re-implement.
10958 (lower_regimplify): Rename from expand_regimplify.
10959 (lower_omp_1): Rename from expand_omp_1.
10960 If there are syntax errors in the program, replace every
10961 OpenMP directive with NOP.
10962 Call lower_omp_* instead of expand_omp_*.
10963 (lower_omp): Rename from expand_omp.
10965 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10966 * tree-gimple.h (enum omp_parallel_type): Remove.
10967 (gimple_boolify): Declare extern.
10968 (find_omp_clause, determine_parallel_type): Remove.
10970 * gimple-low.c (lower_omp_directive): New.
10971 (lower_stmt): Call it.
10972 (record_vars_into): Move from ...
10973 (record_vars): ... here.
10974 Call record_vars_into with current_function_decl.
10976 * gimplify.c (struct gimplify_ctx): Remove fields
10977 combined_pre_p and combined_ctxp. Update users.
10978 (get_formal_tmp_var): Add documentation.
10979 (gimple_boolify): Make extern.
10980 (gimplify_expr_in_ctx): Remove. Update callers.
10981 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10982 will always be a BIND_EXPR.
10983 (gimplify_expr): Handle OMP_RETURN_EXPR.
10984 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10985 (OMP_PARALLEL): Add 3 operands.
10986 (OMP_SECTIONS): Add 1 operand.
10987 (OMP_RETURN_EXPR): Define.
10989 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10990 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10991 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10992 creating a circular free list.
10993 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10995 * tree-flow.h (move_sese_region_to_fn): Declare.
10996 (record_vars_into): Declare.
10997 * tree-cfg.c (make_omp_sections_edges): New.
10998 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10999 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11000 OMP_SECTIONS and OMP_SECTION.
11001 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11002 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11003 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11004 (gather_blocks_in_sese_region): New.
11005 (struct move_stmt_d): Declare.
11006 (move_stmt_r): New.
11007 (move_block_to_fn): New.
11008 (move_sese_region_to_fn): New.
11010 * passes.c (init_optimization_passes): Schedule
11011 pass_expand_omp after pass_init_datastructures.
11013 * tree-ssa-operands.c (get_expr_operands): Handle
11014 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11015 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11017 2006-01-19 Jeff Law <law@redhat.com>
11019 * tree-vrp.c (extract_range_from_assert): Refine the result range
11020 if the variable referenced by the ASSERT_EXPR has a range and
11021 either the tentative result range or the previous range is a
11024 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11026 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11028 2006-01-19 Jan Hubicka <jh@suse.cz>
11030 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11032 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11034 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11035 (expand_compound_operation, expand_field_assignment): Fail if the
11036 bit lengths of an extract operation are out of range.
11037 (make_extraction): Compute wanted_inner_mode based on the position
11038 and length of the extraction. Make it extraction_mode for non-constant
11039 positions, and do not modify offset in that case. When generating a
11040 new MEM, use a mode that can hold the extraction while keeping correct
11041 alignment. Remove code that supported MEMs wrapped by USEs.
11042 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11044 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11046 * config/s390/s390.md ("Y", "y"): New mode attribute.
11047 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11048 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11049 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11050 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11051 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11052 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11053 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11054 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11055 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11056 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11057 "addsi3", "subsi3"): Insn patterns removed.
11058 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11059 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11060 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11061 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11062 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11063 "*sub<mode>3_cconly2"): New insn patterns.
11064 ("addsi3", "subsi3"): New expanders.
11066 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11068 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11069 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11070 existing STMT_VINFO_VECTYPE if available.
11071 (vect_mark_relevant): Add special handling for stmts that are
11072 marked as STMT_VINFO_IN_PATTERN_P.
11073 (vect_analyze_loop): Call vect_pattern_recog.
11074 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11075 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11077 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11078 (vect_recog_func_ptr): New function-pointer type.
11079 * tree-vect-patterns.c: New file.
11080 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11081 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11082 (vect_pattern_recog_1): New functions.
11083 (vect_pattern_recog_funcs): New array of function pointers.
11085 * tree-vectorizer.h (ternary_op): New enum value.
11086 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11087 declaration. Revised documentation. Removed redundant dump prints.
11088 Removed redundant argument. Added support for reduction patterns.
11089 (vectorizable_reduction): Added support for reduction patterns.
11090 (vect_transform_stmt): Added support for patterns.
11092 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11093 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11094 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11095 (expand_widen_pattern_expr): New function.
11096 (init_optabs): Initialize new optabs udot_prod_optab,
11098 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11099 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11100 (expand_widen_pattern_expr): New function declaration.
11101 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11103 * tree-inline.c (estimate_num_insns_1): Added cases for new
11104 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11105 * tree-pretty-print.c (dump_generic_node): Likewise.
11106 (op_prio): Likewise.
11107 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11108 * tree-ssa-operands.c (get_expr_operands): Added case for
11110 * tree-vect-patterns.c (widened_name_p): New function.
11111 (vect_recog_dot_prod_pattern): Added function implementation.
11112 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11113 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11114 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11115 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11117 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11118 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11119 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11120 (init_optabs): Initialize new optabs widen_ssum_optab,
11122 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11123 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11124 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11125 use instead of type of def.
11126 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11127 function implementation.
11128 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11129 widen_ssumv8hi): New.
11131 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11134 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11137 * c-decl.c (add_flexible_array_elts_to_size): New function.
11138 (finish_decl): Use it.
11140 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11142 * diagnostic.h: Include options.h.
11143 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11144 dependancies for diagnostic.h.
11145 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11147 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11149 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11150 (ssa_ro_call_cache_valid): Ditto.
11151 * tree-ssa-alias.c (sort_tags_by_id): New function.
11152 (init_transitive_clobber_worklist): Ditto.
11153 (add_to_worklist): Ditto.
11154 (mark_aliases_call_clobbered): Ditto.
11155 (compute_tag_properties): Ditto.
11156 (set_initial_properties): Ditto.
11157 (compute_call_clobbered): Ditto.
11158 (compute_may_aliases): Call compute_call_clobbered and grouping.
11159 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11160 (compute_flow_insensitive_aliasing): Grouping now happens in our
11162 (setup_pointers_and_addressables): Remove clobbering related code.
11163 (add_may_alias): Ditto.
11164 (replace_may_alias): Ditto.
11165 (get_nmt_for): Ditto.
11166 (create_global_var):
11167 (is_escape_site): Return an escape_type enumeration.
11168 * tree-flow-inline.h (is_call_clobbered): Global var does not
11169 imply call clobbered.
11170 (mark_call_clobbered): Take a reason for marking this. Remove
11171 marking of globalness, and cache invalidation.
11172 (clear_call_clobbered): Remove cache invalidation code.
11173 * tree-dfa.c (dump_variable): If details is on, dump the reason
11175 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11177 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11178 (struct var_ann_d): Ditto.
11179 (enum escape_type): New.
11180 (mark_call_clobbered): Adjust prototype.
11181 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11182 are never call clobbered.
11183 Record reasons for escaping.
11184 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11185 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11186 (ssa_ro_call_cache_valid): Ditto.
11187 (clobbered_v_may_defs): Ditto.
11188 (clobbered_vuses): Ditto.
11189 (ro_call_vuses): Ditto.
11190 (clobber_stats): New.
11191 (init_ssa_operands): Zero out clobber stats.
11192 (fini_ssa_operands): Print out clobber stats.
11193 (get_call_expr_operands): Pass callee fndecl to
11194 add_call_read_ops).
11195 (add_call_clobber_ops): Remove use of cache.
11196 Add use of PURE_CONST information.
11197 (add_call_read_ops): Remove use of cache.
11198 Add use of static not_read information.
11200 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11202 Introduce TLS descriptors for i386 and x86_64.
11203 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11204 (TARGET_ANY_GNU_TLS): New macro.
11205 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11206 (struct machine_function): Add tls_descriptor_call_expanded_p.
11207 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11208 (ix86_current_function_calls_tls_descriptor): Likewise.
11209 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11210 (override_options): Introduce gnu2 tls dialect.
11211 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11213 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11215 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11216 (ix86_init_machine_status): Initialize new field.
11217 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11218 (ix86_tls_module_base): New.
11219 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11220 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11221 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11222 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11223 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11224 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11225 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11226 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11227 * config/i386/predicates.md (tls_modbase_operand): New.
11228 (tp_or_register_operand): New.
11230 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11232 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11233 (look_for_address_of): Ditto.
11234 (ipa_init): Walk the function decls.
11235 (static_execute): Don't set readonly on FUNCTION_DECL's.
11237 2006-01-18 Roger Sayle <roger@eyesopen.com>
11239 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11240 for shifts where the source and destination registers are different.
11242 2006-01-18 Paul Brook <paul@codesourcery.com>
11244 Merge from csl-arm-branch.
11245 2005-03-14 Julian Brown <julian@codesourcery.com>
11246 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11247 (aeabi_llsl): Likewise.
11248 (ashrdi3): Likewise.
11249 (aeabi_lasr): Likewise.
11250 (lshrdi3): Likewise.
11251 (aeabi_llsr): Likewise.
11252 2005-03-10 Julian Brown <julian@codesourcery.com>
11253 * config.gcc: Disable shared libgcc for SymbianOS.
11254 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11256 2006-01-18 DJ Delorie <dj@redhat.com>
11258 * c-pragma.c (handle_pragma_diagnostic): New.
11259 (init_pragma): Register it.
11260 * doc/extend.texi: Document it.
11262 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11263 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11264 (diagnostic_context): Add classify_diagnostic[].
11265 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11266 as errors if they're overridden to DK_WARNING.
11267 (diagnostic_initialize): Initialize classify_diagnostic[].
11268 (diagnostic_set_kind_override): New.
11269 (diagnostic_report_diagnostic): Check for kind changes.
11270 * opts.c (common_handle_option): Take lang_mask. Update callers.
11271 Handle OPT_Werror_.
11272 * common.opt (Werror=): New.
11273 * doc/invoke.texi: Document -Werror=*
11275 2006-01-18 Jeff Law <law@redhat.com>
11277 * tree-vrp.c (test_for_singularity): Correct test for new
11278 min limit. Use operand_equal_p rather than pointer equality
11279 for testing if new min/max values are equal.
11281 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11282 using range information until after propagation and folding.
11284 2006-01-18 Richard Henderson <rth@redhat.com>
11285 Aldy Hernandez <aldyh@redhat.com>
11286 Jakub Jelinek <jakub@redhat.com>
11287 Diego Novillo <dnovillo@redhat.com>
11289 * omp-low.c: New file.
11290 * c-omp.c: New file.
11292 2006-01-18 Richard Henderson <rth@redhat.com>
11293 Jakub Jelinek <jakub@redhat.com>
11294 Diego Novillo <dnovillo@redhat.com>
11296 * doc/invoke.texi: Document -fopenmp.
11297 * tree-dump.h (debug_function): Declare.
11298 * hooks.c (hook_bool_tree_bool_false): New function.
11299 (hook_tree_tree_null): Remove.
11300 (hook_tree_tree_tree_null): New.
11301 * hooks.h: Update to match.
11302 * tree-pretty-print.c (debug_tree_chain): New.
11303 (print_generic_expr): Handle TDF_CHAIN.
11304 (dump_generic_node): Handle BLOCK.
11305 Do not abort with incomplete SWITCH_EXPRs.
11306 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11307 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11308 print space after directive name.
11309 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11310 Handle OMP_MASTER and OMP_ORDERED.
11311 Handle printing of OMP_BODY just in one place, goto
11312 dump_omp_body in the rest of OMP_* nodes that have
11314 Don't handle clause nodes here. Update omp statements to
11315 use dump_omp_clauses.
11316 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11317 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11318 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11319 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11320 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11321 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11322 Adjust output for GOMP_PARALLEL.
11323 (dump_omp_clauses): New.
11324 (print_declaration): Dump DECL_VALUE_EXPR.
11325 (op_symbol_1): Split out of op_symbol.
11326 (dumping_stmts): Remove. Update all users.
11327 * cgraph.c (cgraph_analyze_queue): New.
11328 (cgraph_add_new_function): New.
11329 * cgraph.h (cgraph_analyze_queue): Declare.
11330 (cgraph_add_new_function): Declare.
11331 (cgraph_lower_function): Remove.
11332 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11333 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11334 and TYPE_P nodes in its default clause.
11335 (empty_body_p): New.
11336 (tree_range_check_failed): New.
11337 (build5_stat): New.
11338 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11339 OMP_CLAUSE_REDUCTION_MERGE,
11340 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11341 OMP_CLAUSE_PRIVATE_DEBUG,
11342 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11343 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11344 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11345 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11346 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11347 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11348 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11349 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11350 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11351 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11352 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11353 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11354 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11355 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11356 (TREE_RANGE_CHECK): New.
11357 (empty_body_p): Declare.
11358 (enum omp_clause_default_kind): New.
11359 (build_string_literal): Declare.
11360 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11361 (build5_stat, build5): Declare.
11362 * tree-pass.h (TDF_CHAIN): Define.
11363 * tree-pass.h (PROP_gimple_lomp): Define.
11364 (pass_lower_omp): Declare.
11365 * diagnostic.h (debug_tree_chain): Declare.
11366 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11368 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11369 * builtins.c (build_string_literal): Make extern.
11370 * gcc.c (include_spec_function): New.
11371 (static_spec_functions): Add it.
11372 (main): Move load of libgomp.spec ...
11373 (LINK_COMMAND_SPEC): ... here.
11374 (link_gomp_spec): New.
11375 (static_specs): Include it.
11376 (LINK_COMMAND_SPEC): Add link_gomp.
11377 (GOMP_SELF_SPECS): New.
11378 (driver_self_specs): Include it.
11379 (switch_matches): Don't mark inline.
11380 (main): Load libgomp.spec.
11381 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11382 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11383 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11384 * tree-gimple.h (enum omp_parallel): Declare.
11385 (determine_parallel_type): Declare.
11386 (omp_firstprivatize_variable): Declare.
11387 (omp_reduction_init): Declare.
11388 (diagnose_omp_structured_block_errors): Declare.
11389 (struct walk_stmt_info): Add want_return_expr.
11390 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11391 (find_omp_clause): Declare.
11392 (insert_field_into_struct): Declare.
11393 (struct walk_stmt_info): Move from tree-nested.c
11394 (walk_stmts): Declare.
11395 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11397 * cgraphunit.c (cgraph_lower_function): Make static.
11398 (cgraph_finalize_pending_functions): New.
11399 (cgraph_finalize_function): Call it.
11400 (cgraph_finalize_compilation_unit): Likewise.
11401 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11402 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11403 (BT_FN_UINT_UINT): New.
11404 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11405 DEF_FUNCTION_TYPE_VAR_4): Document.
11406 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11407 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11408 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11409 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11410 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11411 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11412 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11413 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11414 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11415 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11416 into separate files.
11417 (DEF_GOMP_BUILTIN): New.
11418 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11419 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11420 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11421 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11422 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11423 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11424 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11425 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11426 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11427 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11428 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11429 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11430 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11431 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11432 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11433 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11434 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11435 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11436 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11437 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11438 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11439 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11440 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11441 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11442 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11443 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11444 * sync-builtins.def: New file, moved from builtins.def.
11445 * omp-builtins.def: New file, moved from builtins.def.
11446 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11447 * gimple-low.c (lower_function_body): Clear data.
11448 (lower_stmt): Do not handle COMPOUND_EXPR.
11449 Remove call to print_node_brief.
11450 * c-tree.h (c_finish_omp_clauses): New prototype.
11451 (C_DECL_THREADPRIVATE_P): Define.
11452 (lookup_name_no_remap, c_omp_remap_private): Remove
11453 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11454 (check_for_loop_decls): Update decl.
11455 (lookup_name_no_remap, c_omp_remap_private): Declare.
11456 (build_indirect_ref, build_modify_expr, pushdecl,
11457 pushdecl_top_level): Move to c-common.h.
11458 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11459 before the switch, but just in the 2 places that need it.
11460 * c-decl.c (diagnose_mismatched_decls): Do not check for
11461 mismatched thread-local attributes when OLDDECL is marked
11462 threadprivate and NEWDECL has no thread-local attributes.
11463 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11464 (c_gimple_diagnostics_recursively): Rename from
11465 c_warn_unused_result_recursively. Invoke
11466 diagnose_omp_structured_block_errors.
11467 (check_for_loop_decls): Return a singular decl found.
11468 * langhooks.c (lhd_omp_predetermined_sharing): Return
11469 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11470 (lhd_omp_firstprivatize_type_sizes): New.
11471 (lhd_omp_assignment): New.
11472 (lhd_omp_predetermined_sharing): New.
11473 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11474 (struct lang_hooks_for_types): Add
11475 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11476 omp_predetermined_sharing, omp_disregard_value_expr,
11477 omp_private_debug_clause, omp_clause_default_ctor,
11478 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11479 (c_finish_omp_clauses): New.
11480 (c_finish_bc_stmt): Diagnose break within omp for.
11481 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11482 (build_unary_op): Return error_mark after reporting
11484 (build_modify_expr): Likewise.
11485 * gimplify.c: Include optabs.h and pointer-set.h.
11486 (enum gimplify_omp_var_data): Declare.
11487 (struct gimplify_omp_ctx): Declare.
11488 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11490 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11491 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11492 (splay_tree_compare_decl_uid): New.
11493 (new_omp_context): New.
11494 (delete_omp_context): New.
11495 (gimple_add_tmp_var): Call omp_add_variable.
11496 (gimplify_bind_expr): Likewise.
11497 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11498 true, disregard DECL_VALUE_EXPR on the decl if any.
11499 (gimplify_expr_in_ctx): New.
11500 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11501 omp_add_variable, omp_notice_variable, omp_is_private
11502 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11503 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11504 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11505 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11506 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11507 gimplify_omp_atomic): New.
11508 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11509 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11510 OMP_CRITICAL and OMP_ATOMIC.
11511 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11512 * c-pragma.h (enum pragma_kind): Add
11513 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11514 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11515 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11516 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11517 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11518 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11519 PRAGMA_OMP_THREADPRIVATE.
11520 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11521 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11522 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11523 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11524 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11525 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11526 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11527 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11528 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11529 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11530 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11531 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11532 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11534 (struct nesting_info): Add field_map,
11535 suppress_expansion, debug_var_chain.
11536 (create_nesting_tree): Initialize them.
11537 (lookup_field_for_decl): Use field_map.
11538 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11539 (convert_local_omp_clauses): New.
11540 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11541 (walk_body): Split out of walk_function.
11542 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11543 (convert_nonlocal_reference): Handle omp statements.
11544 (convert_local_reference): Likewise.
11545 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11546 (unnest_nesting_tree): New.
11547 (lower_nested_functions): Call it.
11548 (insert_field_into_struct): Make extern.
11549 (struct walk_stmt_info): Move to tree-gimple.h.
11550 (walk_stmts): Make extern.
11551 * omp-builtins.def: New file.
11552 * tree-iterator.c (expr_only): Clarify comment.
11553 * c-common.h (pushdecl_top_level, pushdecl,
11554 build_modify_expr, build_indirect_ref,
11555 c_finish_omp_master, c_finish_omp_critical,
11556 c_finish_omp_ordered, c_finish_omp_barrier,
11557 c_finish_omp_atomic, c_finish_omp_flush,
11558 c_finish_omp_for, c_split_parallel_clauses,
11559 omp_clause_default_kind, c_omp_sharing_predetermined,
11560 c_omp_remap_decl): Declare.
11561 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11562 (OBJS-common): Add omp-low.o.
11563 (c-omp.o, omp-low.o): Add.
11564 (gimplify.o): Add dependency on $(OPTABS_H).
11565 (GTFILES): Add omp-low.c.
11566 (gt-stringpool.h): Add.
11567 * tree-cfg.c (set_bb_for_stmt): Do not update the
11568 block-to-labels map if we are currently expanding to RTL.
11569 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11571 Handle IDENTIFIER_NODE.
11572 (tree_verify_flow_info): Do not ICE when emitting error
11573 messages about invalid labels.
11574 (dump_function_to_file): Reset CFUN before emitting the body
11576 (debug_function): New.
11577 * passes.c (init_optimization_passes): Schedule
11579 * langhooks-def.h (lhd_omp_predetermined_sharing,
11580 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11582 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11583 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11584 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11585 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11586 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11587 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11588 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11589 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11590 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11591 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11592 (LANG_HOOK_DECLS): Use them.
11594 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11595 Richard Henderson <rth@redhat.com>
11596 Jakub Jelinek <jakub@redhat.com>
11597 Diego Novillo <dnovillo@redhat.com>
11599 * c-parser.c (pragma_omp_clause): Define.
11600 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11601 (c_parser_compound_statement): Likewise.
11602 (c_parser_statement): Likewise.
11603 (c_parser_pragma): Handle omp pragmas.
11604 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11605 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11606 (c_parser_omp_clause_name, check_no_duplicate_clause,
11607 c_parser_omp_variable_list,
11608 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11609 c_parser_omp_clause_copyprivate,
11610 c_parser_omp_clause_default,
11611 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11612 c_parser_omp_clause_lastprivate,
11613 c_parser_omp_clause_nowait,
11614 c_parser_omp_clause_num_threads,
11615 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11616 c_parser_omp_clause_reduction,
11617 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11618 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11619 c_parser_omp_atomic, c_parser_omp_barrier,
11620 c_parser_omp_critical, c_parser_omp_flush,
11621 c_parser_omp_for_loop, c_parser_omp_for,
11622 c_parser_omp_master, c_parser_omp_ordered,
11623 c_parser_omp_sections_scope, c_parser_omp_sections,
11624 c_parser_omp_parallel, c_parser_omp_single,
11625 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11626 * c-pragma.c (init_pragma): Do omp pragma registration here.
11627 * c.opt (fopenmp): New flag.
11629 2006-01-18 Eric Christopher <echristo@apple.com>
11631 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11632 * config/darwin.h (GOMP_SELF_SPECS): Define.
11634 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11636 * rtl.h: Remove the prototype for reg_alloc.
11638 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11641 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11642 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11643 sjlj and dwarf2 exception handling.
11644 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11645 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11646 * pa/pa.c (function_value): Treat complex and vector types as
11648 (function_arg): Likewise. Only pass scalar floats in the floating
11649 point argument registers.
11650 * pa/t-slibgcc-dwarf-ver: New file.
11651 * pa/t-slibgcc-sjlj-ver: New file.
11652 * pa/t-slibgcc-elf-ver: Delete file.
11654 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11656 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11657 unlikely_test_section_p test.
11659 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11661 * mode-switching.c (optimize_mode_switching): Make it static.
11662 * basic-block.h: Remove the prototype for
11663 optimize_mode_switching.
11665 * modulo-sched.c (sms_schedule): Make it static.
11666 * rtl.h: Remove the prototype for sms_schedule.
11668 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11669 * rtl.h: Remove the prototype for gcse_after_reload_main.
11671 * reg-stack.c (reg_to_stack): Make it static.
11672 * rtl.h: Remove the prototype for reg_to_stack.
11674 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11676 * rtl.h: Remove the prototypes for regrename_optimize and
11677 copyprop_hardreg_forward.
11679 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11681 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11682 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11683 Test against the appropriate null constant for the mode.
11684 If 'fixup_overlap' is true, swap the operands if they overlap.
11685 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11686 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11687 alpha_split_tmode_pair and adjust for above change.
11688 * config/alpha/alpha.md (movtf_internal): Adjust call to
11689 alpha_split_tfmode_pair and rely on it to swap the operands.
11690 (movti_internal): New insn and post-reload splitter.
11691 (movti): New expander.
11693 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11695 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11698 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11700 * rtlanal.c (global_reg_mentioned_p_1,
11701 global_reg_mentioned_p): Remove.
11702 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11704 * flow.c (initialize_uninitialized_subregs): Make it static.
11705 * rtl.h: Remove the prototype for
11706 initialize_uninitialized_subregs.
11708 * function.c (instantiate_virtual_regs): Make it static.
11709 * function.h: Remove the prototype for
11710 instantiate_virtual_regs.
11712 * regmove.c (regmove_optimize, combine_stack_adjustments):
11714 * rtl.h: Remove the prototypes for regmove_optimize and
11715 combine_stack_adjustments.
11717 2006-01-17 Roger Sayle <roger@eyesopen.com>
11719 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11720 (size_cost): Encode costs in bytes so that a reg-reg addition is
11721 equivalent to COSTS_N_INSNS(1).
11722 (override_options): Use the size_cost.branch_cost as the default
11723 ix86_branch_cost when optimizing for size.
11725 2006-01-18 Ben Elliston <bje@au.ibm.com>
11727 * Makefile.in (D32PBIT_FUNCS): New.
11728 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11729 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11730 D64PBIT_FUNCS and D128PBIT_FUNCS.
11731 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11732 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11734 (decnumber_dep): Define.
11735 * doc/libgcc.texi (Decimal float library routines): New node.
11736 * config/dfp-bit.h, config/dfp-bit.c: New files.
11738 2006-01-18 Ben Elliston <bje@au.ibm.com>
11740 * expr.c (emit_move_change_mode): Always adjust addresses, not
11741 just during reload. Copy replacements only during reload.
11742 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11743 emit_move_via_integer.
11745 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11747 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11748 instead of $(srcdir) and ${srcdir}.
11750 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11753 PR middle-end/11135
11754 * arm.h (struct machine_function): Add pic_reg.
11755 * arm.c (arm_pic_register): Make unsigned.
11756 (arm_override_options): Only set arm_pic_register if
11757 TARGET_SINGLE_PIC_BASE.
11758 (use_return_insn): Only test for a pic register if it is fixed.
11759 (arm_compute_save_reg0_reg12_mask): Likewise.
11760 (thumb_compute_save_reg_mask): Likewise.
11761 (legitimate_pic_operand): Factor out some known invariants.
11762 (legitimize_pic_address): If we don't have a fixed pic register,
11763 then set up a pseudo in the function entry sequence. Handle the
11764 pic base being in a pseudo.
11765 (arm_load_pic_register): Handle the pic register being in a pseudo.
11766 (arm_expand_prologue): Only set up the pic register if it is fixed.
11767 (thumb_expand_prologue): Likewise.
11768 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11769 (pic_load_addr_based_insn): Likewise.
11770 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11773 2006-01-18 Ben Elliston <bje@au.ibm.com>
11775 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11776 decimal float modes for all floating point registers.
11778 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11779 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11781 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11784 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11785 even when the pointer is not NULL.
11787 2006-01-16 Ian Lance Taylor <ian@airs.com>
11789 * common.opt (ftoplevel-reorder): New option.
11790 * cgraph.c (cgraph_asm_nodes): New global variable.
11791 (cgraph_asm_last_node): New static variable.
11792 (cgraph_order): New global variable.
11793 (cgraph_create_node): Set new order field.
11794 (cgraph_varpool_node): Likewise.
11795 (decide_is_variable_needed): Return true if not
11796 flag_toplevel_reorder.
11797 (cgraph_add_asm_node): New function.
11798 * cgraph.h (struct cgraph_node): Add order field.
11799 (struct cgraph_varpool_node): Add order field.
11800 (struct cgraph_asm_node): Define.
11801 (cgraph_asm_nodes, cgraph_order): Declare.
11802 (cgraph_add_asm_node): Declare.
11803 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11805 (cgraph_varpool_assemble_pending_decls): Call it.
11806 (cgraph_output_pending_asms): New static function.
11807 (cgraph_finalize_compilation_unit): Call it.
11808 (struct cgraph_order_sort): Define.
11809 (cgraph_output_in_order): New static function.
11810 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11811 !flag_toplevel_reorder case.
11812 * c-parser.c: Include "cgraph.h".
11813 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11815 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11816 than -fno-unit-at-a-time.
11817 * doc/invoke.texi (Option Summary): Mention
11818 -fno-toplevel-reorder.
11819 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11820 -funit-at-a-time documentation.
11822 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11823 Kazu Hirata <kazu@codesourcery.com>
11825 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11827 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11829 * Makefile.in (FUNCTION_H): New. Use it instead of
11830 function.h throughout the file.
11831 * function.h: Include tree.h.
11833 2006-01-17 Ben Elliston <bje@au.ibm.com>
11835 * recog.c: Separate some functions with whitespace.
11837 2006-01-16 Richard Henderson <rth@redhat.com>
11839 Merge from gomp branch:
11840 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11841 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11842 and rename from struct inline_data. Rename callee* to dst*;
11843 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11844 transform_new_cfg, transform_return_to_modify, and
11845 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11847 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11848 (copy_decl_for_dup): Remove.
11849 * tree-inline.c (struct inline_data): Move to header.
11850 (insert_decl_map): Export.
11851 (remap_decl): Update for member name changes. Use copy_decl hook.
11852 Allow for replacement to be a non-decl. Remove dead code.
11853 (remap_type_1): Check for existing mapping.
11854 (remap_type): Export.
11855 (remap_decls): Update for member name changes.
11856 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11857 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11858 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11859 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11860 (tree_function_versioning, build_duplicate_type): Likewise.
11861 (copy_body_r): Likewise. Export.
11862 (copy_decl_for_dup): Split into ...
11863 (copy_decl_for_dup_finish, copy_decl_to_var,
11864 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11865 (replace_ref_tree, inlining_p): Remove.
11867 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11869 * ifcvt.c (if_convert): Make it static.
11870 * rtl.h: Remove the prototype for if_convert.
11872 * local-alloc.c (local_alloc): Make it static.
11873 * rtl.h: Remove the prototype for local_alloc.
11875 * loop.c (loop_optimize): Make it static.
11876 * cfgloop.h: Remove the prototype for loop_optimize.
11879 2006-01-16 DJ Delorie <dj@redhat.com>
11881 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11884 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11886 * pa.md: Disparage copies between general and floating-point registers
11887 in 32-bit move patterns.
11889 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11892 * Makefile.in (check-%): Depend on site.exp instead of
11893 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11896 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11898 * global.c (global_alloc): Make it static.
11899 * rtl.h: Remove the prototype for global_alloc.
11901 2006-01-16 Richard Guenther <rguenther@suse.de>
11903 * tree-ssa-alias.c (struct used_part): Add write_only field.
11904 (get_or_create_used_part_for): Initialize it to true.
11905 (create_overlap_variables_for): Don't create structure variables
11906 for structures that only are written to.
11907 (find_used_portions): Handle MODIFY_EXPR to track whether a
11908 structure is only written to.
11910 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11912 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11914 * basic-block.h: Remove the prototype for
11915 partition_hot_cold_basic_blocks.
11917 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11919 * cppspec.c (lang_specific_spec_functions): Remove.
11920 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11921 * gcc.h (lang_specific_spec_functions): Remove.
11922 * gccspec.c (lang_specific_spec_functions): Remove.
11924 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11926 * combine.c (record_value_for_reg): Invalidate registers
11928 (record_dead_and_set_regs_1): Likewise, by passing them to
11929 record_value_for_reg.
11930 (record_dead_and_set_regs): Invalidate stores made by a
11931 call. We do not combine across a call, but we still
11932 relied on equivalences.
11934 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11936 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11937 vrp_int_const_binop returning non-constant nodes.
11939 2006-01-16 Paul Brook <paul@codesourcery.com>
11941 * config/m68k/m68k.c (output_move_const_into_data_reg):
11942 Output correct mnemonic for mvz and mvs.
11944 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11946 * rtl-factoring.c: Add sequence abstraction algorithm.
11947 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11948 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11950 (block_has_preserve_label): New function.
11951 * common.opt: Register new pass.
11952 * Makefile.in: Ditto.
11954 * timevar.def: Ditto.
11955 * tree-pass.h: Ditto.
11956 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11957 * rtl.h (make_jump_insn_raw): Add forward decl.
11958 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11960 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11961 Roger Sayle <roger@eyesopen.com>
11963 * fold-const.c (fold_minmax): New static function.
11964 (fold_binary) <MIN_EXPR>: Call it.
11965 <MAX_EXPR>: Likewise.
11966 * stor-layout.c (place_field): Use DECL_SIZE consistently
11967 in the computation of the new record size.
11969 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11971 * cse.c (cse_condition_code_reg): Make it static.
11972 * rtl.h: Remove the prototype for cse_condition_code_reg.
11974 * combine.c (combine_instructions): Make it static.
11975 * rtl.h: Remove the prototype for combine_instructions.
11977 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11980 * tree.c (get_file_function_name_long): Concatenate the first global
11981 object name with a string derived from the input filename of the object
11984 2006-01-16 Ben Elliston <bje@au.ibm.com>
11986 * config/i386/winnt-stubs.c: Update FSF address.
11987 * config/xtensa/ieee754-df.S: Ditto.
11988 * config/xtensa/ieee754-sf.S: Ditto.
11990 2006-01-14 Ian Lance Taylor <ian@airs.com>
11992 * ifcvt.c (noce_init_if_info): New static function, broken out of
11993 noce_process_if_block.
11994 (noce_process_if_block): Call noce_init_if_info.
11995 (check_cond_move_block): New static function.
11996 (cond_move_process_if_block): New static function.
11997 (process_if_block): Call cond_move_process_if_block.
11999 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12001 * cselib.c (hash_table): Rename to cselib_hash_table.
12002 (cselib_clear_table, discard_useless_values,
12003 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12004 cselib_init, cselib_finish): Adjust uses of hash_table.
12006 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12008 PR tree-optimization/25485
12009 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12010 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12011 is known to be false and true, respectively.
12013 2006-01-14 Richard Guenther <rguenther@suse.de>
12015 PR tree-optimization/22548
12016 PR tree-optimization/22555
12017 PR tree-optimization/22501
12018 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12019 * params.def (salias-max-array-elements): New parameter.
12020 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12021 * doc/invoke.texi (salias-max-array-elements): Document.
12022 * tree-flow-inline.h (var_can_have_subvars): We also handle
12024 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12026 * tree-ssa-structalias.c (params.h): Include.
12027 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12028 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12029 (get_constraint_for): For ADDR_EXPR operating on something
12030 containing an ARRAY_REF, add all subvars to the solution.
12031 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12032 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12033 for creating MUST_DEFs.
12034 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12036 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12038 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12040 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12041 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12042 number_of_iterations_le): New functions.
12043 (number_of_iterations_special): Removed.
12044 (number_of_iterations_exit): Do not use number_of_iterations_special.
12045 * tree.c (unsigned_type_for): Always return integer type.
12047 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12048 Richard Guenther <rguenther@suse.de>
12050 PR rtl-optimization/24257
12051 * gcse.c (find_moveable_store): Only consider a store movable
12052 when the SET_SRC of the insn can be assigned to a register.
12054 2006-01-14 Ian Lance Taylor <ian@airs.com>
12056 * tree.c (tree_not_class_check_failed): New function.
12057 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12058 (tree_not_class_check_failed): Declare.
12060 2006-01-13 Ian Lance Taylor <ian@airs.com>
12062 * reload1.c (do_output_reload): Add assertion rejecting a
12065 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12067 * combine.c (struct reg_stat): Add new fields truncation_label and
12069 (record_value_for_reg): Reset truncated_to_mode.
12070 (record_truncated_value): New function.
12071 (check_promoted_subreg): Call it. Rename to check_conversions.
12072 (combine_instructions): Rename check_promoted_subreg to
12074 (reg_truncated_to_mode): New function.
12075 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12076 (gen_lowpart_or_truncate): New function.
12077 (force_to_mode): Use it instead of gen_lowpart.
12079 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12081 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12082 VAR is a tag, not its type tag.
12084 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12086 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12087 alternatives to match style of other entries.
12088 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12090 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12092 PR tree-optimization/25771
12093 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12096 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12099 * tree-inline.c (declare_return_variable): If the return variable
12100 was marked as a non gimple complex, set the return slot variable
12101 to be a non gimple comple variable.
12103 2006-01-13 Richard Guenther <rguenther@suse.de>
12105 * builtins.c (expand_builtin_sincos): New function.
12106 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12108 (expand_builtin): Expand sincos using expand_builtin_sincos.
12110 2006-01-12 DJ Delorie <dj@redhat.com>
12112 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12113 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12114 so that constant shifts can be split.
12115 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12116 (m32c_valid_pointer_mode): Make static.
12117 (shift_gen_func_for): New.
12118 (m32c_prepare_shift): Use it. Split large const shifts into
12120 * config/m32c/predicates.md (shiftcount_operand): Allow more
12122 (longshiftcount_operand): New.
12123 * doc/md.texi (Machine Constraints): Document In6.
12125 2006-01-13 Ben Elliston <bje@au.ibm.com>
12127 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12128 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12131 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12133 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12134 to try to avoid clobbering pieces of structures when we know
12135 something about the whole structure.
12136 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12138 2006-01-13 Ben Elliston <bje@au.ibm.com>
12140 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12141 return in memory, as this is no limitation is no longer present.
12143 2006-01-12 DJ Delorie <dj@redhat.com>
12145 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12146 mova with fb, and for fb+0 -> An.
12148 * config/m32c/mov.md (peephole2): Fix enabling logic.
12150 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12151 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12152 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12153 FINI_ARRAY_SECTION_ASM_OP): Define.
12155 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12157 (m32c_legitimize_reload_address): New logic to reload FB to An.
12158 (m32c_output_reg_push): Add newline.
12159 (m32c_output_reg_pop): Likewise.
12161 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12163 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12165 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12167 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12169 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12171 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12174 2006-01-11 Ben Elliston <bje@au.ibm.com>
12176 * rtlanal.c (find_reg_note): Assert insn is not null.
12178 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12180 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12183 2006-01-11 Jeff Law <law@redhat.com>
12185 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12187 (mark_threaded_blocks, register_jump_thread): New functions.
12188 (thread_through_all_blocks): Remove unwanted argument. No
12189 longer rely on e->aux to communicate thread target info.
12190 Call mark_threaded_blocks. Release the threaded_blocks
12191 bitmap and threaded_edges vector when complete.
12192 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12193 (threaded_blocks): Remove.
12194 (tree_ssa_dominator_optimize): Remove initialization and
12195 finalization of threaded_blocks. Simplify call to
12196 thread_through_all_blocks.
12197 (thread_across_edge): Call register_jump_thread rather than
12198 storing thread information into e->aux.
12199 (free_all_edge_infos): Simplify now that e->aux is no longer
12200 used to communicate with thread_through_all_blocks.
12201 * tree-flow.h (thread_through_all_blocks): Update prototype.
12202 (register_jump_thread): Prototype.
12204 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12206 * df-core.c (df_compact_blocks, df_bb_replace): Use
12207 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12209 2006-01-11 Richard Guenther <rguenther@suse.de>
12211 PR tree-optimization/25734
12212 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12213 stop propagation after successful propagation to the LHS.
12215 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12217 * basic-block.h (control_flow_graph): Change the type of
12218 x_basic_block_info to VEC(basic_block,gc) *.
12219 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12221 (SET_BASIC_BLOCK): New.
12222 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12223 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12224 * cfgbuild.c (find_basic_blocks): Likewise.
12225 * cfglayout.c (fixup_reorder_chain): Likewise.
12226 * cfgrtl.c (create_basic_block_structure,
12227 rtl_create_basic_block): Likewise.
12228 * ifcvt.c (find_if_case_1): Likewise.
12229 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12232 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12234 * Makefile.in: Removed rotted odf.c entry.
12236 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12239 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12240 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12241 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12242 output pattern modifier, not %e.
12243 * config/cris/cris.c (cris_op_str): Update comment about pattern
12245 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12246 before falling through into...
12247 <case 'E'>: Redefined from old 'e' case.
12249 2006-01-11 Jan Hubicka <jh@suse.cz>
12252 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12254 2006-01-11 Jan Hubicka <jh@suse.cz>
12256 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12257 * i386.c (x86_decompose_lea): Kill.
12258 (ix86_rtx_costs): Kill.
12260 2006-01-11 Jan Hubicka <jh@suse.cz>
12262 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12263 * cgraph.h (cgraph_node): Add inline_decl.
12264 (cgraph_insert_node_to_hashtable): Declare.
12265 (save_inline_function_body): Declare.
12266 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12268 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12269 (cgraph_function_versioning): Update call of tree_function_versioning.
12270 (save_inline_function_body): New function.
12271 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12272 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12273 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12274 (cgraph_default_inline_p): Likewise.
12275 (cgraph_decide_inlining_incrementally): Likewise.
12276 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12277 (copy_bb): Kill saving; do updating of clones.
12278 (copy_cfg_body): Kill saving.
12279 (initialize_inlined-parameters): Likewise.
12280 (expand_call_inline): Likewise.
12282 (tree_function_versioning): New parameter "update_clones".
12283 (inlining_p): Kill saving.
12284 * tree-inline.h (tree_function_versioning): Update prototype.
12285 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12288 2006-01-11 Ian Lance Taylor <ian@airs.com>
12290 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12291 Allow undoing set of machine mode.
12292 (do_SUBST): Use enums instead of is_int.
12293 (do_SUBST_MODE): New function.
12294 (SUBST_MODE): New macro.
12295 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12296 reg and trying to replace reg_regno_rtx with a new register.
12297 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12298 (simplify_set): Use SUBST_MODE.
12299 (distribute_notes): Remove code that tried to update reg notes
12300 for regno_reg_rtx changes.
12302 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12304 PR tree-optimization/23109
12305 PR tree-optimization/23948
12306 PR tree-optimization/24123
12308 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12309 * tree-cfg.c (single_noncomplex_succ): New.
12310 * tree-flow.h (single_noncomplex_succ): Declare it.
12311 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12312 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12313 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12314 insert_bb, register_division_in, insert_reciprocals,
12315 replace_reciprocal, free_bb): New.
12316 (execute_cse_reciprocals_1): Rewritten.
12317 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12318 Do not commit any edge insertion. Always compute dominators and
12319 create the allocation pool.
12320 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12321 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12322 * targhooks.c (default_min_divistions_for_recip_mul): New.
12323 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12324 * passes.c (init_optimization_passes): Run recip after tree loop
12326 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12328 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12329 Kenneth Zadeck <zadeck@naturalbridge.com>
12331 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12332 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12333 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12334 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12335 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12336 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12337 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12338 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12339 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12340 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12341 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12342 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12343 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12344 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12345 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12346 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12347 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12348 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12349 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12350 DF_SCAN_POST_ALLOC): New macros.
12351 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12352 df_free_bb_function, df_local_compute_function, df_init_function,
12353 df_dataflow_function, df_confluence_function_0,
12354 df_confluence_function_n, df_transfer_function,
12355 df_finalizer_function, df_free_function, df_dump_problem_function,
12356 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12357 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12358 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12359 df_urec_bb_info, ) New types.
12360 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12362 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12363 df_analyze_simple_change_some_blocks,
12364 df_analyze_simple_change_one_block, df_compact_blocks,
12365 df_bb_replace, df_bb_regno_last_use_find,
12366 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12367 df_insn_regno_def_p, df_find_def, df_find_use,
12368 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12369 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12370 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12371 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12372 debug_df_chain, df_get_dependent_problem, df_chain_create,
12373 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12374 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12375 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12376 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12377 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12378 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12379 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12380 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12381 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12382 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12383 df_reorganize_refs, df_set_state, df_hard_reg_init,
12384 df_read_modify_subreg_p) New public functions.
12385 * df-core.c: The core dataflow solver and glue routines for rtl
12387 (df_init, df_add_problem, df_set_blocks, df_finish,
12388 df_hybrid_search_forward, df_hybrid_search_backward,
12389 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12390 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12391 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12392 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12393 df_reg_defined, df_find_use, df_reg_used, df_dump,
12394 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12395 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12396 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12397 debug_df_useno, reset_df_after_reload): New functions.
12398 * df-scan.c: The scanning fuctions, once in df.c, completely
12399 rewritten so that they now fully model the functionality of
12400 register usage at the backend.
12401 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12402 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12403 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12404 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12405 df_get_artificial_defs, df_get_artificial_uses,
12406 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12407 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12408 df_refs_delete, df_reorganize_refs, df_set_state,
12409 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12410 df_def_record_1, df_defs_record, df_uses_record,
12411 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12412 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12413 df_record_exit_block_uses, df_hard_reg_init): New functions.
12415 * df-problems.c: Seven concrete dataflow problems that use the
12416 scanning in df-scan.c and are solved by the engine in df-core.c.
12417 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12418 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12419 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12420 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12421 df_ru_free_bb_info, df_ru_alloc,
12422 df_ru_bb_local_compute_process_def,
12423 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12424 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12425 df_ru_transfer_function, df_ru_free, df_ru_dump,
12426 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12427 df_rd_free_bb_info, df_rd_alloc,
12428 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12429 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12430 df_rd_transfer_function, df_rd_free, df_rd_dump,
12431 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12432 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12433 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12434 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12435 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12436 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12437 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12438 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12439 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12440 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12441 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12442 df_urec_mark_reg_use_for_earlyclobber,
12443 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12444 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12445 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12446 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12447 df_chain_create_bb_process_use, df_chain_create_bb,
12448 df_chain_finalize, df_chain_free, df_chains_dump,
12449 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12450 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12451 df_reg_lifetime): New functions.
12452 * df.c: Deleted file.
12453 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12454 consistent with new df api.
12455 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12456 rest_of_handle_sms): Ditto.
12457 * web.c (unionfind_union, union_defs, entry_register, web_main):
12459 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12460 invariant_expr_equal_p, find_defs, check_dependencies,
12461 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12462 free_inv_motion_data, move_loop_invariants): Ditto.
12463 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12464 Update dependencies.
12465 (odf.c): Added defective entry that was deleted later in day.
12466 * sched-deps.c (sched_analyze_1): Ditto.
12468 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12470 * tree-ssa-operands.c (get_expr_operands): Record addressable
12471 variables directly. Do not call add_stmt_operands for CONST_DECLs
12473 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12474 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12476 2006-01-11 Ben Elliston <bje@au.ibm.com>
12478 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12479 function returns true in the positive case.
12481 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12484 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12485 for SI, DI, SF and DF modes. Add alternatives to copy between
12486 general and floating point registers to the 32-bit patterns.
12487 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12488 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12489 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12490 generating 64-bit code.
12491 * config/pa/pa.c (output_move_double): Handle copies between general
12492 and floating registers.
12494 2006-01-10 Stuart Hastings <stuart@apple.com>
12496 * config/i386/i386.md (set_got): Update.
12497 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12498 (builtin_setjmp_receiver): Mach-O support.
12499 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12500 (GOT_SYMBOL_NAME): Define.
12501 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12502 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12503 * config/i386/i386.c (override_options): Revise for Darwin.
12504 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12505 support. (darwin_x86_file_end): New. (output_set_got): Add label
12506 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12507 * config/i386/i386-protos.h (output_set_got): Likewise.
12508 * config/darwin.c (machopic_legitimize_pic_address): Update
12511 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12513 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12514 when MODE isn't BLKmode.
12516 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12518 PR rtl-optimization/25367
12519 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12521 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12524 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12525 for a negative bound.
12527 2006-01-10 Richard Guenther <rguenther@suse.de>
12529 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12530 Never override with anything constraint.
12532 2006-01-10 Jan Beulich <jbeulich@novell.com>
12534 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12535 256 bits when optimize_size.
12537 2006-01-10 Jan Beulich <jbeulich@novell.com>
12539 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12541 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12542 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12545 2006-01-10 Ben Elliston <bje@au.ibm.com>
12547 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12549 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12550 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12551 (USE_FP_FOR_ARG): Reject decimal float modes.
12552 (function_arg_advance): Likewise.
12553 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12554 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12555 point types in AltiVec vectors.
12556 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12557 (rs6000_libcall_value): Likewise.
12559 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12561 * config/xtensa/ieee754-df.S: New file.
12562 * config/xtensa/ieee754-sf.S: New file.
12563 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12564 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12565 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12567 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12569 * config/sh/predicates.md (binary_float_operator,
12570 binary_logical_operator, commutative_float_operator,
12571 equality_comparison_operator, greater_comparison_operator,
12572 less_comparison_operator, logical_operator,
12573 noncommutative_float_operator, shift_operator,
12574 symbol_ref_operand, unary_float_operator): Remove redundant
12577 2006-01-09 Jeff Law <law@redhat.com>
12579 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12580 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12581 now unused arguments. Callers updated.
12582 (eliminate_redundant_computations): Remove now unused arguments,
12584 (local_fold): Remove, no longer used.
12585 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12587 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12588 (simplify_cond): New function.
12589 (forward_propagate_into_cond): Call simplify_cond.
12591 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12593 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12594 (*vec_extractv2di_1_sse): New.
12596 2006-01-09 Ben Elliston <bje@au.ibm.com>
12598 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12600 2006-01-08 Richard Guenther <rguenther@suse.de>
12602 * tree-ssa-structalias.c (get_constraint_for): Remove
12603 anyoffset argument.
12604 (get_constraint_for_component_ref): Likewise.
12605 (do_deref): Likewise.
12606 (get_constraint_for): Likewise.
12607 (do_structure_copy): Likewise.
12608 (handle_ptr_arith): Likewise.
12609 (find_func_aliases): Likewise. Remove unused need_anyoffset
12612 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12613 Kaz Kojima <kkojima@gcc.gnu.org>
12615 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12616 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12617 (EXTRA_CONSTRAINT_C16): Remove.
12618 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12619 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12620 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12621 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12622 constants of SHmedia. Handle nested constant expressions of
12624 (andcosts): Fix the costs for SHmedia constants.
12625 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12626 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12627 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12628 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12629 (movv4hi_i, movv2si_i): Likewise.
12630 (movsi_const): Adjust the second operand of ior so to match with
12631 the Csu constraint.
12632 (movdi_const, movdi_const_32bit): Likewise.
12633 (movdi_const_16bit+1): Don't sign-extend LOW.
12634 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12636 (*double_shori): Fix the split condition. Use GEN_INT instead
12637 of get_int_mode calls. Mask lower 16-bit of the argument of
12639 (sym2GOTPLT): Remove.
12640 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12642 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12643 instead of EXTRA_CONSTRAINT_C16.
12645 2006-01-07 Ian Lance Taylor <ian@airs.com>
12646 David Edelsohn <edelsohn@gnu.org>
12648 PR rtl-optimization/25662
12649 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12650 for constant operands instead of simplify_gen_binary.
12651 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12652 after trying simplify_binary_operation
12654 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12656 * tree.c (iterative_hash_expr): Hash decls based on UID.
12658 2006-01-06 Eric Christopher <echristo@apple.com>
12660 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12661 (TARGET_UNWIND_EMIT): Fix spelling.
12662 * target.h (gcc_target): Add except_table_label.
12663 * except.c (output_function_exception_table): Use.
12664 * varasm.c (default_emit_except_table_label): New.
12665 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12667 (asm_out): Add here.
12668 * output.h (default_emit_except_table_label): Prototype.
12669 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12670 * config/darwin.c (darwin_emit_except_table_label): Define.
12671 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12673 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12675 PR tree-optimization/18527
12676 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12677 number_of_iterations_special, number_of_iterations_exit):
12678 Move base and step of an iv to a single structure. Add
12679 no_overflow flag, and use it in # of iterations analysis.
12680 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12681 folded_casts argument.
12682 (simple_iv): Pass base and step in a structure. Set no_overflow
12684 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12685 Evaluate expensiveness of computing # of iterations instead of
12686 the final expression.
12687 * tree-scalar-evolution.h (affine_iv): New structure.
12688 (simple_iv): Declaration changed.
12689 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12690 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12691 find_givs_in_stmt): Changed due to simple_iv change.
12693 2006-01-06 Jeff Law <law@redhat.com>
12696 * tree-cfg.c (bsi_replace): Rename final argument from
12697 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12698 change (stmt -> orig_stmt).
12699 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12700 (bsi_remove): Add new argument. Remove EH information
12702 (verify_eh_throw_table_statements): New function.
12703 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12705 * tree-optimize.c (execute_free_cfg_annotations): Verify
12706 the EH throw statement table after removing annotations.
12707 * except.h (verify_eh_throw_table_statements): Prototype.
12708 * tree-flow.h (bsi_remove): Update prototype.
12709 * tree-vrp.c (remove_range_assertions): Add new argument to
12711 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12712 * tree-complex.c (expand_complex_div_wide): Likewise.
12713 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12714 * tree-tailcall.c (eliminate_tailcall): Likewise.
12715 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12716 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12717 * tree-nrv.c (tree_nrv): Likewise.
12718 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12719 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12720 (combine_blocks): Likewise.
12721 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12722 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12723 (cleanup_control_flow): Likewise.
12724 (remove_forwarder_block): Likewise.
12725 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12726 * tree-sra.c (sra_replace): Likewise.
12727 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12728 (forward_propagate_single_use_vars): Likewise.
12729 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12730 * tree-inline.c (expand_call_inline): Likewise.
12731 * tree-vect-transform.c (vect_transform_loop): Likewise.
12732 * tree-outof-ssa.c (rewrite_trees): Likewise.
12733 * tree-cfg.c (make_goto_expr_edges): Likewise.
12734 (cleanup_dead_labels): Likewise.
12735 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12736 (bsi_move_before, bsi_move_after): Likewise.
12737 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12738 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12740 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12743 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12745 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12746 on non gimple variables. Also add checks at the top for decls and
12748 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12750 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12751 and IMAGPART_EXPR for creating MUST_DEFs.
12752 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12753 and NAME_MEMORY_TAG separately from the DECLs.
12755 2006-01-06 Richard Guenther <rguenther@suse.de>
12757 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12758 annotation, if necessary.
12759 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12760 redundant calls to update_stmt.
12761 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12764 2006-01-05 Richard Henderson <rth@redhat.com>
12766 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12768 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12770 * c-typeck.c: Update copyright date.
12772 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12774 * c-typeck.c (build_c_cast): Always warn when casting
12775 from a pointer to an integer of different size, even if
12776 the node was constant.
12778 2006-01-05 Richard Guenther <rguenther@suse.de>
12780 PR tree-optimization/22555
12781 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12782 if one structure field is an array.
12783 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12784 operands even if we found a subvar, but ignore VOPs in this
12786 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12788 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12790 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12792 PR middle-end/24998
12793 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12795 2006-01-05 Richard Guenther <rguenther@suse.de>
12796 Diego Novillo <dnovillo@redhat.com>
12798 * tree-pass.h (TODO_remove_unused_locals): Define.
12799 * gimple-low.c (expand_var_p, remove_useless_vars,
12800 pass_remove_useless_vars): Remove. Update all users.
12801 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12802 (remove_unused_locals): New function.
12803 * tree-flow.h (remove_unused_locals): Declare.
12804 * passes.c (execute_todo): Call remove_unused_locals if
12805 TODO_remove_unused_locals is set.
12806 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12807 * tree-ssa-dce.c (pass_dce): Likewise.
12808 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12810 2006-01-05 Richard Guenther <rguenther@suse.de>
12812 * tree-flow.h (struct fieldoff): Decompose field to
12813 type, size and decl.
12814 * tree-ssa-alias.c (create_sft): Take type as parameter.
12815 (create_overlap_variables_for): Store type, size and decl
12816 in the fieldoff structure.
12817 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12818 of struct fieldoff.
12819 (push_fields_onto_fieldstack): Likewise.
12820 (create_variable_info_for): Likewise. Use offset for the
12821 SFT name if the decl is not available.
12823 2006-01-04 Paul Brook <paul@codesourcery.com>
12825 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12827 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12829 * lambda-code.c (can_put_in_inner_loop): Relax
12831 (can_put_after_inner_loop): New function.
12832 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12833 (perfect_nestify): Change to make copies and modify uses.
12835 2006-01-04 Richard Henderson <rth@redhat.com>
12837 Merge from gomp branch:
12838 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12839 via integer constant.
12840 (pragma_lex): Remove.
12841 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12842 rather than parsing it.
12843 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12844 handle_pragma_extern_prefix): Add %< %> quotes.
12845 (registered_pragmas): New.
12846 (c_register_pragma_1): New.
12847 (c_register_pragma): Use it.
12848 (c_register_pragma_with_expansion): Likewise.
12849 (c_invoke_pragma_handler): New.
12850 (init_pragma): Use cpp_register_deferred_pragma directly for
12852 * c-pragma.h (enum pragma_kind): New.
12853 (pragma_handler): New.
12854 (c_invoke_pragma_handler): Declare.
12855 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12857 * c-common.h (c_common_pch_pragma): Update decl.
12858 * Makefile.in (c-parser.o): Update dependencies.
12859 (GTFILES): Add c-pragma.h.
12860 * c-parser.c (struct c_token): Add pragma_kind.
12861 (struct c_parser): Add in_pragma.
12862 (c_lex_one_token): Always initialize keyword and pragma_kind.
12863 Extract data for CPP_PRAGMA.
12864 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12865 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12866 Don't allow CPP_PRAGMA_EOL if in_pragma.
12867 (c_parser_consume_pragma): New.
12868 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12869 (c_parser_skip_to_end_of_parameter): Likewise.
12870 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12871 (c_parser_skip_to_pragma_eol): New.
12872 (c_parser_external_declaration): Handle CPP_PRAGMA.
12873 (c_parser_compound_statement_nostart): Likewise.
12874 (c_parser_statement_after_labels): Likewise.
12875 (c_parser_pragma): New.
12876 (pragma_lex): Likewise.
12877 (c_parser_pragma_pch_preprocess): New.
12878 (c_parser_new): Merge into ...
12879 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12881 2006-01-04 Jeff Law <law@redhat.com>
12884 * tree-cfg.c (bsi_replace): Remove the original statement
12885 from the EH throw statement table.
12887 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12889 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12890 make the prototype extern "C" and add throw ().
12893 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12894 and pos non-negative and pos + len <= 32.
12895 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12896 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12897 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12900 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12901 as well as sizes not multiple of component size.
12904 * function.c (instantiate_expr): New function.
12905 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12906 walk its DECL_VALUE_EXPR with instantiate_expr.
12908 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12909 DW_OP_deref{,_size} if address isn't going to be added.
12911 2006-01-04 Ben Elliston <bje@au.ibm.com>
12913 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12914 * config/fp-bit.c: Likewise.
12916 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12918 * dominance.c: Add comment about why we use DFS numbering
12921 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12922 Richard Henderson <rth@redhat.com>
12924 Merge from gomp-branch:
12925 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12926 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12928 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12930 PR rtl-optimization/25578
12931 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12932 pass a parameter to simplify_shift_const if changing ASHIFTRT
12935 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12937 * builtins.c (get_builtin_sync_mem): New function.
12938 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12939 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12940 Call get_builtin_sync_mem to generate mem rtx.
12942 2006-01-03 Richard Guenther <rguenther@suse.de>
12945 * stmt.c (add_case_node): Make sure to clear overflow flags
12948 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12950 Merge from gomp-branch.
12951 * config/sparc/sync.md: New file.
12952 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12953 UNSPECV_LDSTUB): New constants.
12954 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12955 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12956 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12959 2006-01-03 Roger Sayle <roger@eyesopen.com>
12961 * combine.c (reg_subword_p): New predicate to test whether the
12962 destination of a set refers to a subword/piece of a register.
12963 (try_combine): Generalize the code to merge the setting of a
12964 pseudo to a constant followed by a set of a subword of that
12965 register to a constant.
12967 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12969 * basic-block.h (control_flow_graph): Change the type of
12970 x_label_to_block_map to VEC(basic_block,gc) *.
12971 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12972 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12974 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12975 VEC(basic_block,heap) *.
12976 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12977 ssa_prop_fini): Adjust the uses of cfg_blocks.
12979 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12981 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12983 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12984 hashing trees instead of a pointer hash.
12985 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12986 compare for MEM_EXPR.
12988 PR rtl-optimization/25130
12989 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12990 when comparing MEMs for GCSE
12992 2006-01-03 Ben Elliston <bje@au.ibm.com>
12994 * targhooks.h (default_decimal_float_supported_p): Declare.
12995 * targhooks.c (default_decimal_float_supported_p): Define.
12996 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12997 `default_decimal_float_supported_p'.
12998 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13000 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13002 * combine.c (apply_distributive_law <SUBREG>): Check
13003 TRULY_NOOP_TRUNCATION.
13005 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13007 * dwarf2out.c (have_switched_text_section): Delete.
13008 (have_multiple_function_sections): New.
13009 (have_location_lists): Make 'bool'.
13010 (add_AT_loc_list): Use 'true' not '1'.
13011 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13012 (output_loc_list): Use have_multiple_function_sections.
13013 (output_ranges): Likewise.
13014 (dwarf2out_begin_function): Set have_multiple_function_sections if
13016 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13017 Check function_section rather than DECL_SECTION_NAME.
13018 (dwarf2out_finish): Use have_multiple_function_sections.
13019 Don't clear have_location_lists.
13021 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13022 Jan Hubicka <jh@suse.cz>
13024 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13025 case of conditional jump jumping to the next instruction.
13026 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13027 cases of conditional jump jumping to the next instruction.
13029 2006-01-02 Jan Hubicka <jh@suse.cz>
13031 * i386.c (*_cost): Add COSTS_N_INSNS.
13032 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13034 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13037 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13039 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13041 * config/arm/arm.c (all_fpus): Fix comment typo.
13042 * config/darwin.c: Likewise.
13043 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13044 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13045 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13047 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13049 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13050 (rs6000_split_compare_and_swapqhi): New.
13051 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13052 (sync_compare_and_swapqhi_internal): New.
13053 * config/rs6000/rs6000-protos.h: Declare.