1 2006-07-07 Richard Guenther <rguenther@suse.de>
4 * tree.h (build_one_cst): Declare.
5 * tree.c (build_one_cst): New function.
6 * tree-ssa-math-opts.c (get_constant_one): Remove.
7 (insert_reciprocals): Use build_one_cst.
8 * fold-const.c (fold_plusminus_mult): Likewise.
10 2006-07-07 Roger Sayle <roger@eyesopen.com>
12 * pointer-set.c (pointer_set_destroy): Correct whitespace.
13 * cfgloopanal.c (dump_graph): Likewise.
14 * dojump.c (discard_pending_stack_adjust): Likewise.
15 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
17 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
18 * function.c (finalize_block_changes): Likewise.
19 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
20 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
21 * rtl.c (dump_rtx_statistics): Likewise.
22 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
24 * varray.c (dump_varray_statistics): Likewise.
25 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
26 decode_decimal64, encode_decimal128, decode_decimal128,
27 decimal_real_to_decimal): Likewise.
29 2006-07-07 Richard Guenther <rguenther@suse.de>
31 PR tree-optimization/28187
32 * tree-vrp.c (vrp_operand_equal_p): New function.
33 (vrp_bitmap_equal_p): Likewise.
34 (update_value_range): Use them to compare old and new
37 2006-07-06 Roger Sayle <roger@eyesopen.com>
39 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
40 a default case to switch statement to silence compiler warnings.
42 2006-07-06 Roger Sayle <roger@eyesopen.com>
45 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
46 the configured assembler supports the x87's ffreep mnemonic.
47 * configure: Regenerate.
48 * config.in: Regenerate.
50 * config/i386/i386.c (output_387_ffreep): New function.
51 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
52 (output_387_reg_move): Likewise.
54 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
56 Port to hosts whose 'sort' and 'tail' implementations
57 treat operands with leading '+' as file names, as POSIX
58 has required since 2001. However, make sure the code still
59 works on pre-POSIX hosts.
60 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
61 which says you should use "tail -c +N" rather than "tail +Nc".
62 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
64 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
66 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
69 2006-07-06 David Edelsohn <edelsohn@gnu.org>
72 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
73 PRE_{INC,DEC} of TFmode.
75 2006-07-06 David Edelsohn <edelsohn@gnu.org>
76 Alan Modra <amodra@bigpond.net.au>
79 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
82 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
85 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
88 2006-07-05 Jason Merrill <jason@redhat.com>
92 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
93 * c-common.c (handle_packed_attribute): So don't copy it here.
94 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
96 2006-07-05 Mike Stump <mrs@apple.com>
98 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
100 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
103 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
105 2006-07-05 Richard Guenther <rguenther@suse.de>
108 * config/i386/i386.md (*negdf2_1): Restrict pattern to
109 TARGET_SSE2 targets if using SSE math.
110 (*absdf2_1): Likewise.
112 2006-07-05 Richard Guenther <rguenther@suse.de>
114 PR tree-optimization/28162
115 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
116 make sure to convert the operands to the correct type.
118 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
120 PR tree-optimization/28218
122 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
123 to calculate and free the dominator information.
125 2006-07-04 Peter O'Gorman <peter@pogma.com>
127 * mklibgcc.in: chmod 644 before ranlib during install.
129 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
130 J"orn Rennecke <joern.rennecke@st.com>
132 * configure.ac (.eh_frame data check): Use diff -b.
134 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
137 * Makefile.in (BUILD_RTL): Add build/vec.o.
138 (build/gencondmd.o): Filter out -fkeep-inline-functions.
139 (build/genextract): Delete.
140 (build/genautomata): Likewise.
142 2006-07-04 Alan Modra <amodra@bigpond.net.au>
145 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
146 128-bit IBM long doubles for ABI_V4.
148 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
150 * tree.c (range_in_array_bounds_p): New predicate.
151 * tree.h (range_in_array_bounds_p): Declare it.
152 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
153 return a less conservative answer.
154 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
156 (IS_ELEMENT_FOR_GROUP): New macro.
157 (FOR_EACH_ACTUAL_CHILD): Likewise.
158 (next_child_for_group): New helper function.
159 (can_completely_scalarize_p): Take into account groups.
160 (sra_hash_tree): Handle RANGE_EXPR.
161 (sra_elt_eq): Likewise.
162 (lookup_element): Be prepared for handling groups.
163 (is_valid_const_index): Delete.
164 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
165 instead of is_valid_const_index.
166 <ARRAY_RANGE_REF>: New case.
167 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
168 is_valid_const_index.
169 <ARRAY_RANGE_REF>: Do not unconditionally punt.
170 (scan_dump): Dump info for groups too.
171 (decide_instantiation_1): Likewise.
172 (decide_block_copy): Assert that the element is not a group.
173 Propagate decision to groups.
174 (generate_one_element_ref): Handle RANGE_EXPR.
175 (mark_no_warning): Iterate over actual childs.
176 (generate_copy_inout): Likewise.
177 (generate_element_copy): Likewise.
178 (generate_element_zero): Likewise.
179 (generate_element_init_1): Likewise.
180 (dump_sra_elt_name): Handle RANGE_EXPR.
182 2006-07-03 Roger Sayle <roger@eyesopen.com>
184 PR tree-optimization/26251
185 * tree-ssa-threadupdate.c (redirection_block_p): New function.
186 (thread_block): When optimizing for size refuse to thread jumps
187 that would require duplication of blocks other than redirection
190 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
192 * configure.ac: Fix thinko in previous check-in.
193 * configure: Regenerate.
195 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
198 * configure.ac (for lang...): Simplify nesting of conditionals.
199 Test subdir_requires for non-enabled languages. Move processing
200 of lang_opt_files and lang_tree_fiels below that test.
201 * configure: Regenerate.
202 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
204 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
206 * doc/gcov.texi (Invoking Gcov): Add a missing word.
208 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
210 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
213 2006-06-29 Jason Merrill <jason@redhat.com>
220 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
221 * c-common.c (c_determine_visibility): Handle it here.
222 * c-decl.c (finish_decl): Call c_determine_visibility for
224 * flags.h (enum symbol_visibility): Sort from most to least visibility.
226 * varasm.c (default_assemble_visibility): Likewise.
227 * c-common.c (handle_visibility_attribute): Complain about trying
228 to give visibility to an already defined class, or trying to change
229 declared visibility. Always attach the attribute.
234 * attribs.c (decl_attributes): Ignore type-in-place attributes
235 once the type has been defined.
237 2006-06-29 Roger Sayle <roger@eyesopen.com>
240 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
241 to indicate the cpplib has issued an error message for us.
243 2006-06-29 Asher Langton <langton2@llnl.gov>
246 * config/i386/i386.c (ix86_output_function_epilogue): Don't
247 insert a label at the end of an function under Mach-O.
249 2006-06-29 Eric Christopher <echristo@apple.com>
250 Evan Cheng <evan.cheng@apple.com>
252 * predicates.md (vector_all_ones_operand): New.
253 (nonimmediate_or_sse_const_operand): Ditto.
254 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
255 * config/i386/i386.c (standard_sse_constant_opcode): Define.
256 (standard_sse_mode_p): Ditto.
257 (standard_sse_constant_p): Add case for -1 vector.
258 (ix86_expand_vector_move): Try to use.
259 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
260 Call standard_sse_constant_opcode.
261 (*movv4sf_internal): Ditto.
262 (*movv2df_internal): Ditto.
264 2006-06-29 Roger Sayle <roger@eyesopen.com>
266 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
267 of XEXP to extract the operands of a MATCH_CODE rtx.
269 2006-06-28 Andrew Pinski <pinskia@gmail.com>
271 * tree.c (tree_size): Do not waste tail padding in
272 struct tree_string and make the size be the same as
273 build_string will generate.
275 2006-06-28 Jason Merrill <jason@redhat.com>
278 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
279 may_aliases already in the tag's annotations to the bitmap.
281 2006-06-28 Roger Sayle <roger@eyesopen.com>
283 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
285 2006-06-28 Roger Sayle <roger@eyesopen.com>
287 * genpreds.c (generate_switch_p): New function.
288 (add_mode_tests): Push the new mode test down inside an AND expr
289 if this allows the switch-suitable MATCH_CODE to be near the root.
290 (write_match_code_switch): New function to write a MATCH_CODE as
292 (write_predicate_stmts): New function to write a predicate RTX
293 expression as a sequence of statements.
294 (write_one_predicate_function): Use write_predicate_stmts.
295 (write_tm_constrs_h): Likewise.
297 2006-06-26 Fred Fish <fnf@specifix.com>
299 * config/mips/t-sb1: New file.
300 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
303 2006-06-26 DJ Delorie <dj@redhat.com>
305 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
307 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
308 Jayant Sonar <jayants@kpitcummins.com>
309 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
311 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
312 (subsi3, subsi3_1, subsi3_2): New.
313 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
314 * config/m32c/mov.md (SI mov peephole): New.
315 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
316 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
318 2006-06-26 Olivier Hainque <hainque@adacore.com>
320 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
321 a CALL_EXPR target function declaration.
323 2006-06-26 Richard Guenther <rguenther@suse.de>
325 * tree.c (build_string): Do not waste tail padding in
328 2006-06-26 Richard Guenther <rguenther@suse.de>
330 * ggc-page.c (init_ggc): Add missing element to size_lookup
334 2006-06-23 Richard Guenther <rguenther@suse.de>
336 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
337 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
338 alignment requests instead. Add verification code.
339 Add struct tree_function_decl and struct tree_binfo size to
340 extra_order_size_table. Add missing element to size_lookup
343 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
346 * fold-const.c (const_binop): Be prepared for self returning zero.
347 Simplify code handling complex values.
349 2006-06-24 Olivier Hainque <hainque@adacore.com>
351 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
352 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
355 2006-06-24 Olivier Hainque <hainque@adacore.com>
357 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
358 ARRAY_REF, so have the callback called for the low bound expression.
360 2006-06-23 Janis Johnson <janis187@us.ibm.com>
362 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
363 * c-typeck.c (c_common_type): Disallow operations on decimal float
364 types and other float types.
365 * convert.c (convert_to_real): Don't ignore conversions involving
368 2006-06-23 Olivier Hainque <hainque@adacore.com>
370 * tree.c (max_int_size_in_bytes): New function, inspired from
371 code in function.c:assign_temp.
372 * tree.h (max_int_size_in_bytes): Declare.
373 * function.c (assign_temp): Use it.
374 * gimplify.c (create_tmp_var): Relax the assertions on the type
375 properties, not mandating constant size any more.
376 (force_constant_size): New static function.
377 (gimple_add_tmp_var): Use it, forcing variable size to a
378 constant upper bound if it is not constant on entry.
380 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
383 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
384 for initialization and setting of one_only flag to ...
385 (i386_pe_encode_section_info): ...here.
386 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
387 Recheck that the symbol has not been defined.
389 2006-06-23 Richard Guenther <rguenther@suse.de>
391 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
392 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
393 alignment requests instead. Add verification code.
394 Add struct tree_function_decl and struct tree_binfo size to
395 extra_order_size_table. Add missing element to size_lookup
398 2006-06-22 Roger Sayle <roger@eyesopen.com>
399 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
402 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
403 call to lang_hooks.types.type_for_mode returned NULL_TREE.
405 2006-06-23 Ben Elliston <bje@au.ibm.com>
407 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
408 negate dn -- manipulate it directly.
410 2006-06-22 Roger Sayle <roger@eyesopen.com>
411 Steven Bosscher <stevenb.gcc@gmail.com>
414 * reload1.c (gen_reload): Call mark_jump_label on the new insns
415 generated by gen_move_insn to add REG_LABEL notes if necessary.
417 2006-06-22 Bob Wilson <bob.wilson@acm.org>
419 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
420 (leaf_entry): Remove use of MIN_ESA.
422 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
424 PR rtl-optimization/28121
425 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
428 2006-06-21 DJ Delorie <dj@redhat.com>
430 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
432 (mulhisi3_r): Likewise.
434 2006-06-21 Richard Sandiford <richard@codesourcery.com>
437 * coverage.c (coverage_counter_alloc): Leave the index type
439 (coverage_counter_alloc): Use null arguments for operands 2 and 3
442 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
444 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
445 section from the "Options for Code Generation Conventions".
447 2006-06-21 Richard Henderson <rth@redhat.com>
451 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
453 (global_symbolic_operand): Allow weak symbols, even if local_p.
455 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
457 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
458 (find_interesting_uses_address): Punt if above function returns true.
460 2006-06-21 Richard Guenther <rguenther@suse.de>
462 * configure: Regenerated.
464 2006-06-21 Joseph Myers <joseph@codesourcery.com>
466 * config/mips/mips.c (function_arg): Where one part of a
467 complex argument is in registers and the other part in the stack,
468 return a REG not a PARALLEL.
470 2006-06-21 Mark Mitchell <mark@codesourcery.com>
472 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
473 when cross-compiling. Do not substitute libstdcxx_incdir.
474 * configure: Regenerated.
476 2006-06-21 Jakub Jelinek <jakub@redhat.com>
478 * varasm.c (mergeable_string_section): Check for embedded NULs and
479 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
480 rather than TREE_STRING_LENGTH bytes.
482 2006-06-21 Richard Guenther <rguenther@suse.de>
484 * ggc-page.c (extra_order_size_table): Add var_ann_d,
485 tree_ssa_name, bitmap_element and phi_node with 4 arguments
488 2006-06-21 Richrad Guenther <rguenther@suse.de>
490 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
491 Limit iteration over the dominators.
493 2006-06-20 Roger Sayle <roger@eyesopen.com>
495 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
496 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
498 2006-06-20 Richard Guenther <rguenther@suse.de>
499 Michael Matz <matz@suse.de>
501 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
503 * alloc-pool.c (free_alloc_pool_if_empty): New function.
504 * et-forest.h (et_free_pools): Prototype new function.
505 * et-forest.c (et_free_tree_force): Free parent occurrence.
506 (et_free_pools): New function.
507 * dominance.c (free_dominance_info): Free et-forest alloc
510 2006-06-20 Roger Sayle <roger@eyesopen.com>
512 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
513 integer modes, attempt to directly construct an integer constant.
515 * fold-const.c (native_encode_vector): Determine the size of each
516 element from the vector type instead of the first vector element.
518 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
519 if all of its elements/components are constant.
520 (build_constructor_from_list): Likewise.
522 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
524 PR tree-optimization/27331
525 * tree-data-ref.c (free_data_ref): New function.
526 (create_data_ref): Fail if the data reference has unknown access
528 (free_data_refs): Use free_data_ref.
530 2006-06-19 Andrew Pinski <pinskia@gmail.com>
533 * tree-inline.c (setup_one_parameter): Strip useless
534 type conversion before adding it to the IR.
535 (declare_return_variable): Likewise.
537 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
540 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
542 2006-06-19 Mike Stump <mrs@apple.com>
544 * tree.c (variably_modified_type_p): VM arguments don't make the
547 2006-06-19 Richard Guenther <rguenther@suse.de>
549 * tree-ssa-pre.c (try_combine_conversion): Strip useless
550 type conversions after folding.
552 2006-06-19 Richard Guenther <rguenther@suse.de>
554 * ggc-page.c (extra_order_size_tab): Add entries with
555 size of struct function and basic_block.
556 (size_lookup): Extend to cover sizes up to 511.
557 (ggc_alloc_stat): Adjust user.
558 (ggc_pch_count_object): Likewise.
559 (ggc_pch_alloc_object): Likewise.
560 (ggc_pch_write_object): Likewise.
562 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
564 * tree-ssa-loop-niter.c (implies_ge_p): New function.
565 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
568 2006-06-19 Denis Chertykov <denisc@overta.ru>
570 * config/avr/libgcc.S : Correct my wrong previous commit.
572 2006-06-19 Roger Sayle <roger@eyesopen.com>
575 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
576 have stripped a SUBREG from the shift count, so we may need to
577 convert_to_mode back to the type's mode before calling make_tree.
578 Use new_amount instead of amount to avoid expanding a tree twice.
580 2006-06-19 Richard Guenther <rguenther@suse.de>
583 * fold-const.c (operand_equal_p): Check if the argument types
584 have the same precision before stripping NOPs.
586 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
588 Fix PR tree-optimization/27341
589 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
591 * tree-complex.c (pass_lower_complex): Update SMT usage.
593 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
595 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
596 Add a new alternative to the constraint strings. Add move of
597 operand 1 to 3 to the splitter definition.
598 ("doloop_si_long"): Second contraint alternative removed.
600 2006-06-08 Anatoly Sokolov <aesok@post.ru>
602 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
603 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
605 (AVR_HAVE_MOVW) Define.
606 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
607 (ASM_SPEC): Add avr25.
608 (LINK_SPEC): Add avr25.
609 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
610 (base_arch_s): Add new member 'have_movw_lpmx'.
611 (avr_arch_types): Init 'have_movw_lpmx'.
612 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
613 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
614 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
615 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
616 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
618 (avr_file_start): Do not output '.arh' derective.
619 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
620 (__do_copy_data): Use __AVR_HAVE_LPMX__.
621 * config/avr/avr.md (mcu_enhanced): Delete.
622 (mcu_have_movw): Define.
623 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
624 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
625 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
626 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
627 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
628 attiny861 and at86rf401 devices.
630 2006-06-18 Jie Zhang <jie.zhang@analog.com>
632 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
635 2006-06-17 Karl Berry <karl@gnu.org>
637 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
638 doc/gccint.texi, doc/install.texi (@dircategory): Use
639 "Software development" instead of "Programming", following
640 the Free Software Directory.
642 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
644 * config/i386/i386.c (legitimate_tls_address)
645 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
646 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
647 (*tls_dynamic_gnu2_combine_64): Likewise.
649 2006-06-16 Richard Guenther <rguenther@suse.de>
652 * fold-const.c (negate_expr_p): Do not introduce undefined
653 overflow in negating INTEGER_CSTs.
654 (fold_negate_expr): Rename from negate_expr. Revert last
655 change for folding BIT_NOT_EXPR. Change semantics to
656 return NULL_TREE for non-simplified negations. Do not
657 strip type conversions and unify type handling.
658 (negate_expr): New function, wrap around fold_negate_expr
659 but ensure building a tree always. Strip type conversions
660 here, fold to result type.
661 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
663 2006-06-16 Roger Sayle <roger@eyesopen.com>
666 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
667 that (would) return their results in stack registers.
669 2006-06-16 Michael Matz <matz@suse.de>
670 Richard Guenther <rguenther@suse.de>
672 * fold-const.c (fold_truthop): Only return new tree node if
673 we canonicalized something.
675 2006-06-16 Richard Guenther <rguenther@suse.de>
677 * function.h (enum function_frequency): Move declaration
678 out of struct function.
679 (struct function): Move bool fields and the enum to the bitfield
680 section. Reorder elements to avoid padding. Remove unused
681 fields left over from the RTL inliner removal.
682 * function.c (free_after_compilation): Do not zero removed fields.
683 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
684 (ipa-type-escape.o): Likewise.
686 2006-06-16 Richard Guenther <rguenther@suse.de>
688 * cgraph.h (struct cgraph_local_info): Turn bool elements
690 (struct cgraph_node): Likewise.
691 (struct cgraph_varpool_node): Likewise.
693 2006-06-15 Richard Guenther <rguenther@suse.de>
695 * fold-const.c (fold_truth_not_expr): Rename from
696 invert_truthvalue. Give it fold_* semantics to avoid
698 (invert_truthvalue): New function. Wrapper around
700 (optimize_minmax_comparison): Avoid creating garbage.
701 (fold_unary): Use fold_truth_not_expr for folding
703 (fold_ternary): Replace uses of invert_truthvalue with
704 fold_truth_not_expr where applicable.
705 * tree.h (fold_truth_not_expr): Prototype.
707 2006-06-16 Richard Guenther <rguenther@suse.de>
709 PR tree-optimization/27781
710 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
711 * ipa-pure-const.c (target.h): Include.
712 (analyze_function): Do not analyze functions that do not
715 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
718 * tree-dfa.c (referenced_vars_dup_list): Remove.
719 (find_referenced_vars): Remove assert.
720 (referenced_var_check_and_insert): Replace dup list with assert.
721 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
722 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
724 2006-06-15 Richard Guenther <rguenther@suse.de>
726 * tree-ssa-structalias.c (alias_get_name): Avoid creating
727 extra unused identifiers if not dumping.
728 (create_variable_info_for): Likewise.
730 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
732 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
733 (derive_constant_upper_bound): Derive more precise upper bound in
734 common cases. Return type changed to double_int.
735 (record_estimate): Reflect the changed return type of
736 derive_constant_upper_bound.
737 * double-int.c (double_int_zext, double_int_sext): Fix.
739 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
741 * configure.ac (CFLAGS): Get them from the toplevel or from the
742 configure invocation.
743 * configure: Regenerate.
744 * Makefile.in (CFLAGS): Substitute value provided by configure.
746 2006-06-14 Mark Mitchell <mark@codesourcery.com>
749 * c-common.h (c_finish_omp_atomic): Adjust declaration.
750 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
751 rather than calling add_stmt on it.
752 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
754 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
757 * reload1.c (reload): Remove registers returned by update_eliminables
758 from used_spill_regs.
760 2006-06-13 DJ Delorie <dj@redhat.com>
762 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
764 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
766 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
767 html__strip_dir, html__mkdir_p. Enhance install-html target.
768 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
769 * configure: Regenerate.
771 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
773 * fold-const.c (fold_cond_expr_with_comparison): Check for
774 Objective-C++ as language in deciding COND_EXPR transformation.
776 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
779 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
780 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
781 * config/sh/lib1funcs.h (SL, SL1): Define.
782 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
783 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
784 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
785 (OBJS_Os_4_200): New variable.
786 ($(T)libgcc-Os-4-200.a): Use it.
787 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
788 when dividing 1 and/or by 0.
790 2006-06-13 Roger Sayle <roger@eyesopen.com>
792 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
793 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
794 * configure: Regenerate.
796 2006-06-13 Jie Zhang <jie.zhang@analog.com>
798 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
799 for real instruction.
801 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
804 * haifa-sched.c (check_cfg): Handle special case.
806 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
809 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
810 Add debug_info parameter. Chain the vars to the BLOCK instead
811 of the BIND_EXPR if debug info are requested for them.
812 (pop_gimplify_context): Adjust for above change.
813 (gimple_add_tmp_var): Likewise.
814 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
816 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
817 (convert_local_reference): Likewise.
818 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
819 (finalize_nesting_tree_1): Request that debug info be emitted
822 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
824 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
827 2006-06-13 Richard Guenther <rguenther@suse.de>
830 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
832 2006-06-13 Richard Guenther <rguenther@suse.de>
834 PR tree-optimization/27830
835 * tree-inline.c (copy_body_r): For copying the operand
836 of an ADDR_EXPR make sure to fold &* afterwards.
838 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
840 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
841 lvalues in the fb_none case with side-effects.
843 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
845 * tree-flow.h: Remove the prototype for
846 compute_phi_arg_on_exit.
847 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
848 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
851 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
853 * builtins.c (expand_builtin_return_addr): Only use
854 frame_pointer_rtx when count == 0 and we are expanding
855 __builtin_return_address.
857 2006-06-12 Fred Fish <fnf@specifix.com>
859 * config/mips/mips.c (mips_file_start): Create special section
860 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
862 2006-06-11 Eric Christopher <echristo@apple.com>
865 * stor-layout.c (place_field): Remove check for
866 remaining_in_alignment when aligning at the end of a run.
868 2006-06-11 Eric Christopher <echristo@apple.com>
871 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
874 2006-06-11 Roger Sayle <roger@eyesopen.com>
877 Revert incorrect fix for PR target/27158
878 2006-05-08 Roger Sayle <roger@eyesopen.com>
879 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
880 of a reg_equiv_constant if the result is a legitimate constant.
882 2006-06-11 Roger Sayle <roger@eyesopen.com>
885 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
886 extract a CONST_VECTOR element and interpret it as an integer.
887 (vspltis_constant): Use const_vector_elt_as_int instead of the
888 macro CONST_VECTOR_ELT in order to handle FP vector modes.
889 * config/rs6000/predicates.md (easy_vector_const): Consider
890 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
892 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
895 * stor-layout.c (update_alignment_for_field): Don't add extra
896 alignment for packed non-bitfield fields in ms_bitfield_layout_p
899 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
901 * config/mips/t-rtems: Add EL/EB multilib variants.
903 2006-06-09 Mike Stump <mrs@apple.com>
905 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
907 2006-06-09 David Daney <ddaney@avtrex.com>
909 * doc/install.texi: Add binutils version recommendation for mips-*-*.
911 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
913 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
915 2006-06-09 Richard Guenther <rguenther@suse.de>
917 PR tree-optimization/26998
918 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
919 of signed types, only TYPE_MIN_VALUE is special, but for both,
920 minimum and maximum value. Likewise VR_ANTI_RANGE is special
921 in this case, as is -fwrapv.
923 2006-06-08 Mike Stump <mrs@apple.com>
926 * config/darwin.c (darwin_asm_output_anchor): Disable
927 -fsection-anchors on darwin for now.
928 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
929 * rs6000/rs6000.c (optimization_options): Likewise.
931 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
934 * config/i386/i386.c (classify_argument): Skip fields with invalid
937 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
939 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
940 (cse_insn): Likewise for the stack_pointer_rtx.
942 2006-06-08 Roger Sayle <roger@eyesopen.com>
944 * tree-ssa-dom.c (record_conditions): Only record "unordered"
945 conditions from floating point comparisons.
947 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
950 * expmed.c (struct alg_hash_entry): Fix type of field T
951 to match synth_mult argument.
952 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
954 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
957 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
960 2006-06-08 Richard Guenther <rguenther@suse.de>
963 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
964 only, if overflow is defined and not trapping.
965 (negate_expr): Likewise.
967 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
969 PR tree-optimization/27872
970 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
971 flag on the new exit edge of the unrolled loop.
973 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
975 PR rtl-optimization/26449
976 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
978 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
981 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
982 referenced_variables with matching DECL_UID's.
983 (find_referenced_vars): Make sure duplicate list is empty to start.
984 (referenced_var_p): Remove.
985 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
986 Check if var is in the list, and add if needed. Update the duplicate
987 list if a different var is in the list with the same DECL_UID.
988 (add_referenced_var): Call routine to check and insert.
989 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
990 * tree-flow.h (referenced_vars_dup_list): External declaration.
992 2006-06-07 Fred Fish <fnf@specifix.com>
994 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
997 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1000 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1001 the imaginary and real parts of a clobbered register.
1002 Emit insn to set the imaginary part.
1004 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1006 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1007 in lieu of unwind-dw2-fde.c.
1009 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1011 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1013 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1016 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1017 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1018 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1019 V4SImode temporaries and operations instead.
1021 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1023 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1026 2006-06-06 Mike Stump <mrs@apple.com>
1028 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1029 installing during build.
1031 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1033 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1035 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1036 * config/ia64/ia64.c (params.h): New header.
1037 (ia64_optimization_options): New function to adjust parameters.
1038 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1039 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1040 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1042 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1044 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1046 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1049 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1051 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1052 Victor Kaplansky <victork@il.ibm.com>
1054 PR tree-optimization/26360
1055 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1058 2006-06-04 Roger Sayle <roger@eyesopen.com>
1059 Andrew Pinski <pinskia@physics.uc.edu>
1062 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1063 for LABEL_DECL before calling DECL_WEAK.
1066 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1067 LABEL_DECL and PARM_DECL.
1069 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1073 * c-decl.c (grokdeclarator): Disallow variably modified types at
1074 file scope. Avoid marking shared array type of constant size as
1077 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1080 * c-common.c (fold_offsetof_1): Handle static members.
1082 2006-06-04 Eric Christopher <echristo@apple.com>
1084 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1085 (debug_rli): Output value for remaining_in_alignment.
1086 (update_alignment_for_field): Unconditionalize
1087 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1088 extra alignment code.
1089 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1090 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1091 * tree.h (record_layout_info_s): Remove prev_packed.
1092 * doc/extend.texi (ms_struct): Add documentation of format.
1094 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1096 * tree.h: Declare folding_initializer.
1097 * builtins.c (fold_builtin_constant_p): Give definite answer
1098 if folding inside an initializer.
1099 * fold-const.c: Define folding_initializer.
1100 (START_FOLD_INIT): Save and then set folding_initializer.
1101 (END_FOLD_INIT): Restore folding_initializer.
1103 2006-06-04 Richard Guenther <rguenther@suse.de>
1105 PR tree-optimization/27039
1106 * fold-const.c (fold_comparison): Handle pointer comparison
1107 again for all comparison codes. Compare offsets in signed
1109 (fold_binary): Move code from here.
1111 2006-06-03 Roger Sayle <roger@eyesopen.com>
1114 * config/i386/i386.c (construct_container): Split static issued_error
1115 flag into issued_sse_arg_error, issued_sse_ret_error and
1116 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1117 requires the use of x87 registers and the user explicitly
1118 specified the -mno-80387 command line option.
1120 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1122 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1123 HAVE_DECL_SIGALTSTACK.
1125 (segv_handler): Use MC_FLD.
1126 * configure.ac: Check for a sigaltstack declaration.
1127 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1128 * configure: Regenerate.
1129 * config.in: Regenerate.
1131 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1134 * Makefile.in (stmp-fixinc): Fix typo.
1136 2006-06-02 Roger Sayle <roger@eyesopen.com>
1138 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1139 are type correct. Clean-up.
1140 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1141 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1143 2006-06-01 DJ Delorie <dj@redhat.com>
1145 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1146 shift, as we've disabled the "switch" insn that needs it.
1148 2006-06-01 Per Bothner <bothner@bothner.com>
1150 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1151 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1152 * c-ppoutput.c (cb_define): Don't increment line 0.
1154 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1156 * doc/invoke.texi: Add cpu_type power6.
1157 * config.gcc: Add cpu_type power6.
1158 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1159 to power5+ with Altivec.
1160 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1161 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1163 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1165 * config/avr/avr.h (SET_ASM_OP): Define.
1167 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1169 * config/bfin/bfin.c: Fix comment typos.
1171 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1174 * doc/install.texi: Document --enable-bootstrap and
1175 --disable-bootstrap.
1177 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1179 * doc/install.texi: Document that InfoZIP can replace jar.
1181 2006-05-31 Roger Sayle <roger@eyesopen.com>
1183 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1184 isn't available, directly generate the simpler x87 patterns without
1185 the (use (const_int 0)).
1186 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1187 implementation isn't available.
1188 (*negdf2_1): Likewise.
1189 (*negxf2_1): XF mode negation is always done using the x87.
1190 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1192 2006-05-31 Roger Sayle <roger@eyesopen.com>
1194 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1195 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1197 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1199 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1201 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1202 * config/bfin/bfin.c (basic-block.h): Include.
1203 (struct machine_function): New.
1204 (bfin_init_machine_status): New.
1205 (override_options): Initialize init_machine_status.
1206 (bfin_hardware_loop): New.
1207 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1208 (DEF_VEC_P (loop_info)): New.
1209 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1210 (struct loop_info): New.
1211 (loop_info): New typedef.
1212 (struct loop_work): New.
1213 (loop_work): New typedef.
1214 (DEF_VEC_O (loop_work)): New.
1215 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1216 (bfin_dump_loops): New.
1217 (bfin_bb_in_loop): New.
1218 (bfin_scan_loop): New.
1219 (bfin_optimize_loop): New.
1220 (bfin_reorg_loops): New.
1221 (bfin_reorg): Use bfin_reorg_loops.
1222 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1224 (I_REGNO_P): Simplify.
1225 (DP_REGNO_P, DPREG_P): New macros.
1226 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1227 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1228 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1229 Add LT_REGS, LC_REGS, LB_REGS.
1230 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1232 (REGNO_REG_CLASS): Deal with loop registers.
1233 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1235 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1236 New constants for loop registers.
1237 (UNSPEC_LSETUP_END): New.
1238 (seq_insns): New define_attr. Set it for appropriate insns.
1239 (movsi_insn): Add alternatives for move from/to
1240 loop count registers.
1241 (doloop_end): New define_expand.
1242 (loop_end): New define_insn.
1243 (define_split for bad doloop_end): New.
1244 (lsetup_with_autoinit): New define_insn.
1245 (lsetup_without_autoinit): New define_insn.
1246 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1247 * config/bfin/predicates.md (lc_register_operand): New.
1248 (lt_register_operand): New.
1249 (lb_register_operand): New.
1250 (nondp_register_operand): New.
1251 (nondp_reg_or_memory_operand): New.
1252 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1254 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1256 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1257 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1259 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1261 * Makefile.in (CATALOGS): Add po/ prefix.
1262 * configure: Regenerated.
1264 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1267 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1268 a shift operand before calling shift_op. Avoid redundant call of
1271 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1272 DJ Delorie <dj@redhat.com>
1274 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1275 we're inserting is a singlt-bit constant.
1277 2006-05-30 Roger Sayle <roger@eyesopen.com>
1279 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1280 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1282 2006-05-30 Roger Sayle <roger@eyesopen.com>
1284 PR tree-optimization/23452
1285 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1286 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1287 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1288 complex values and with -ffast-math for FP complex values.
1290 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1292 * c-common.h: Remove the prototype for yyparse.
1293 * rtl.h: Remove the prototype for init_loop.
1295 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1297 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1300 2006-05-30 Roger Sayle <roger@eyesopen.com>
1302 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1304 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1305 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1307 2006-05-30 Dirk Mueller <dmueller@suse.de>
1310 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1311 for CONSTANT_CLASS_P expresisons.
1313 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1316 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1318 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1320 PR tree-optimization/27779
1321 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1322 initial_condition instead of CHREC_LEFT.
1324 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1326 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1327 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1328 Make prototypes ISO C90.
1330 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1331 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1333 * see.c (see_analyze_one_def): Correct check.
1334 (see_get_extension_data): Check if extension is parallel.
1335 (see_get_extension_reg): Likewise.
1337 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1340 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1341 into register for (code == GTU).
1343 2006-05-29 Roger Sayle <roger@eyesopen.com>
1345 PR tree-optimization/24964
1346 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1347 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1348 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1349 abs(x)*abs(x) as x*x for scalar floating point modes.
1351 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1354 * lambda-code.c (perfect_nestify): Don't copy statements
1355 in the inner loop: move them to the inner loop header.
1357 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1360 * c-tree.texi: Document OpenMP directives and clauses.
1362 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1364 * varasm.c (globalize_decl): Fix indentation.
1366 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1369 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1370 pass_fre, pass_store_ccp, pass_copy_prop,
1371 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1372 pass_return_slot, pass_object_size, pass_lim,
1373 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1374 pass_loop_prefetch and pass_stdarg.
1376 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1378 * config/bfin/bfin.opt (mfdpic): New option.
1379 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1380 (EXTRA_MULTILIB_PARTS): Likewise.
1381 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1382 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1384 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1385 (CRT_CALL_STATIC_FUNCTION): New.
1386 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1388 (CRT_CALL_STATIC_FUNCTION): New.
1389 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1391 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1392 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1393 (initialize_trampoline): Changed to handle FD-PIC code generation.
1394 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1395 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1396 (override_options): Disallow -mid-shared-library -mfdpic combination.
1397 Can't do unaligned ops if FD-PIC.
1398 Turn off flag_pic if trying to generate non-id-shared-library
1399 non-fdpic code, since it's not supported.
1400 (bfin_assemble_integer): New function.
1401 (TARGET_ASM_INTEGER): Define.
1402 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1404 * config/bfin/crtn.s: Restore them.
1405 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1407 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1408 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1409 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1410 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1411 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1413 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1414 FDPIC_REGS and FDPIC_FPTR_REGS.
1415 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1416 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1417 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1418 (load_funcdescsi): New pattern.
1419 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1420 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1421 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1423 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1425 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1428 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1430 * tree-flow.h: Remove the prototype for add_type_alias.
1431 * tree-ssa-alias.c (add_type_alias): Remove.
1433 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1435 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1436 config/fr30/fr30.md, config/i386/i386-interix.h,
1437 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1438 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1439 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1440 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1441 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1442 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1443 Follow spelling conventions.
1444 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1445 Follow spelling conventions.
1447 2006-05-27 Richard Guenther <rguenther@suse.de>
1450 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1451 to produce a constant of value 1 of generic type.
1453 2006-05-27 Dirk Mueller <dmueller@suse.de>
1455 * cgraphunit.c (decide_is_function_needed): Fix wrong
1458 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1460 PR rtl-optimization/27661
1461 * reload.c (find_reloads): When reloading a VOIDmode constant
1462 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1463 use Pmode as mode of the reload register.
1465 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1467 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1468 is enabled at -O and above.
1470 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1473 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1476 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1479 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1480 for anonymous variables explicitly declared by front ends.
1482 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1484 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1485 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1486 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1487 ref-all pointers, run a finalization pass for them.
1488 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1489 (finalize_ref_all_pointers): New function.
1490 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1491 regular pointer type to a ref-all pointer type.
1492 (get_tmt_for): Return the special memory tag for ref-all pointers.
1494 2006-05-25 Richard Guenther <rguenther@suse.de>
1497 * fold-const.c (fold_binary): Do not look at the stripped
1498 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1500 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1502 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1503 for LT and GT if the computed range is effectively empty.
1505 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1508 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1509 mips_quad_format formats instead of ieee_single_format,
1510 ieee_double_format and ieee_quad_format formats, respectively.
1512 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1514 PR tree-optimization/27639
1515 PR tree-optimization/26719
1516 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1517 call to scev_probably_wraps_p.
1518 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1519 used_in_pointer_arithmetic_p, convert_step): Removed.
1520 (nowrap_type_p): New function.
1521 (scev_probably_wraps_p): Rewritten.
1522 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1523 chrec_convert if chrec_convert_aggressive might have been used.
1524 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1525 scev_direction): New functions.
1526 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1527 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1528 instead of convert_step.
1529 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1530 (convert_step): Declaration removed.
1531 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1533 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1535 * df-core.c: Added to header comments.
1536 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1537 df_ur_bb_info, df_urec_bb_info): Added comments.
1538 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1539 urec, ri problems): Fixed header comments.
1540 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1541 code from df_rd_transfer_function.
1543 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1545 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1546 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1547 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1549 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1551 * expr.c (undefined_operand_subword_p): New.
1552 (emit_move_multi_word): Do not generate move from undefined bits
1553 of a paradoxical subreg.
1555 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1557 PR rtl-optimization/27736
1558 * combine.c (replaced_rhs_value): New variable.
1559 (combine_instructions): Set it.
1560 (distribute_notes): When distributing a note in replaced_rhs_insn,
1561 check whether the value was used in replaced_rhs_value.
1563 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1566 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1567 add_referenced_var instead of add_referenced_tmp_var.
1568 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1569 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1571 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1572 tree_optimize_tail_calls_1): Use add_referenced_var.
1573 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1574 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1575 Use add_referenced_var.
1576 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1577 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1578 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1579 Use add_referenced_var.
1580 * tree-dfa.c (struct walk_state): Remove.
1581 (find_referenced_vars): Remove walk state and vars_found hash table.
1582 (make_rename_temp): Use add_referenced_var.
1583 (find_vars_r): Pass less parameters to add_referenced_var.
1584 (referenced_var_p): New. Is var in referenced_var hash table.
1585 (referenced_var_insert): Assert var isn't already in hash table.
1586 (add_referenced_var): Don't need walk_state parameter. Add var if it
1587 isn't already in the hash table.
1588 (add_referenced_tmp_var): Remove.
1589 (find_new_referenced_vars_1): Use add_referenced_var.
1590 * tree-ssa-pre.c (create_expression_by_pieces,
1591 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1592 Use add_referenced_var.
1593 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1594 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1595 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1597 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1598 vect_create_data_ref_ptr, vect_create_destination_var,
1599 vect_init_vector, vect_build_loop_niters,
1600 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1601 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1602 Use add_referenced_var.
1603 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1604 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1605 (add_referenced_var): Add prototype.
1606 * tree-ssa-structalias.c (get_constraint_for,
1607 intra_create_variable_infos): Use add_referenced_var.
1609 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1611 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1612 big-endian paradoxical subregs.
1613 * var-tracking.c (struct micro_operation_def): Document that,
1614 for modify micro operations, insn is the subsequent instruction.
1615 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1616 (var_reg_set, var_mem_set): ... new functions.
1617 (add_stores): Record subsequent insn.
1618 (compute_bb_dataflow): Use new functions for MO_USE.
1619 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1620 notes after the insn, and modify notes before the insn known
1621 to be the subsequent one.
1622 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1624 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1627 * config/i386/i386.c (ix86_expand_builtin): Use
1628 gen_sse3_monitor64 for TARGET_64BIT.
1630 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1632 PR rtl-optimization/26375
1633 PR rtl-optimization/26855
1634 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1636 (df_ru_bb_local_compute): Reversed statements and removed bogus
1637 comment explaining why they should be in wrong order.
1638 (df_ru_dump, df_rd_dump): Enhanced debug info.
1639 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1641 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1642 reaching uses and fixed space problem.
1644 2006-05-23 Jan Hubicka <jh@suse.cz>
1646 * cgraphunit.c (decide_is_function_needed): Also nested functions
1647 and functions declared inline can be optimized out at -O0.
1649 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1651 * doc/install.texi (Configuration): Remove reference to CrossGCC
1655 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1658 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1659 ix86_compare_emitted is non-NULL.
1661 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1664 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1667 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1669 PR rtl-optimization/25514
1670 * combine.c (replaced_rhs_insn): New variable.
1671 (combine_instructions): Set replaced_rhs_insn when trying to replace
1672 a SET_SRC with a REG_EQUAL note.
1673 (distribute_notes): Use replaced_rhs_insn when determining the live
1674 range of a REG_DEAD register.
1676 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1677 Anatoly Sokolov <aesok@post.ru>
1679 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1680 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1681 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1682 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1683 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1684 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1685 at90usb647, at90usb1286 and at90usb1287 devices.
1686 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1687 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1689 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1691 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1693 2006-05-22 Richard Guenther <rguenther@suse.de>
1696 2006-01-31 Richard Guenther <rguenther@suse.de>
1697 Paolo Bonzini <bonzini@gnu.org>
1699 * doc/install.texi (--disable-libgcc-math): Document.
1701 2006-05-22 Richard Guenther <rguenther@suse.de>
1704 2006-01-31 Richard Guenther <rguenther@suse.de>
1706 * doc/invoke.texi (-msselibm): Document.
1707 * target.h (expand_library_builtin): New target hook.
1708 * builtins.c (expand_builtin): Use expand_library_builtin.
1709 (default_expand_library_builtin): New function.
1710 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1711 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1712 (link_gcc_math_spec): Declare.
1713 (static_specs): Add link_gcc_math_spec.
1714 * expr.h (default_expand_library_builtin): Declare.
1715 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1716 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1717 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1718 * config/i386/i386.opt (msselibm): New target option.
1719 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1720 (ix86_init_sse_abi_builtins): New function.
1721 (ix86_expand_library_builtin): Likewise.
1722 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1723 (override_options): Handle error conditions wrt -msselibm.
1724 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1725 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1726 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1729 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1732 * c-common.c (self_promoting_args_p): Skip erroneous args.
1735 * c-decl.c (finish_struct): Skip erroneous fields.
1737 2006-05-22 Nick Clifton <nickc@redhat.com>
1739 * config/cris/cris.opt (march): Remove VarExists attribute.
1740 (max-stackframe=): Likewise.
1742 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1744 * doc/rtl.texi: Fix a typo.
1745 * see.c: Fix comment typos.
1747 * tree-ssa-structalias.h (alias_info): Remove num_references.
1749 2006-05-21 Mike Stump <mrs@apple.com>
1751 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1753 (darwin_pragma_options): Use BAD instead.
1754 (darwin_pragma_unused): Likewise.
1755 (darwin_pragma_ms_struct): Likewise.
1757 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1759 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1761 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1763 PR rtl-optimization/27671
1764 * simplify-rtx.c (simplify_relational_operation_1): Fix
1765 simplifications of (eq/ne (xor x y) y) and
1766 (eq/ne (xor x y) x).
1768 PR tree-optimization/26622.
1769 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1772 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1774 * tree-cfg.c: Prune whitespace.
1775 (debug_tree_cfg): Point to correct header containing the
1778 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1781 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1783 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1786 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1787 or sorry count is non zero.
1789 2006-05-20 Andreas Schwab <schwab@suse.de>
1791 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1793 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1794 Kenneth Zadeck <zadeck@naturalbridge.com>
1796 PR rtl-optimization/26855
1798 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1800 (df_scan_alloc): Added code to properly handle multiword hard
1801 registers and add all_blocks parameter.
1802 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1803 code to properly handle multiword hard registers.
1804 (df_rescan_blocks): Added code to remove deleted blocks from
1806 (df_ref_create_structure, df_ref_record): Added code to properly
1808 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1809 and set DF_REF_PARTIAL.
1810 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1811 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1812 (df_scan_add_problem): Added flags parameter.
1813 (df_ref_create_structure): Changed switching structure.
1814 (df_bb_refs_record): Fixed case where duplicate artificial refs
1815 were created. Changed location of flags.
1816 (df_record_entry_block_defs): Added code to make stack pointer
1817 live in entry block. Refined cases where frame pointer is needed.
1818 Changed location of flags.
1819 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1820 (df_set_state): Removed function.
1821 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1822 df_insn_create_insn_record, df_insn_refs_delete,
1823 df_ref_create_structure): Formatting changes.
1824 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1825 df_delete_basic_block): New function.
1826 (df_init): Changed location of flags.
1827 (df_add_problem): Added flags parameter and the way flags are
1829 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1830 debug_df_chain): Improved debugging output.
1831 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1832 (df_refs_chain_dump): Removed df parameter.
1833 (df_iterative_dataflow): Added consistency check.
1834 (df_prune_to_subcfg): Made public.
1835 (df_analyze_problem): Added blocks_to_init parameter and made
1837 (df_ref_record, df_bb_refs_record, df_mark_reg,
1838 df_record_exit_block_uses): Whitespace changes.
1839 (df_dump): Whitespace changes.
1840 * df.h: Some reordering to remove forward references.
1841 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1842 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1843 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1844 (dataflow.flags): New field.
1845 (df.flag): Deleted field.
1846 (df_alloc_function): Added additional bitmap parameter.
1847 (df_dependent_problem_function): New type.
1848 (df_problem.changeable_flags): New field.
1849 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1850 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1851 (df_mw_hardreg): New struct.
1852 (DF_INSN_UID_MWS): New macro.
1853 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1855 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1856 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1857 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1858 (df_set_state): Removed function.
1859 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1860 * df-problems.c (df_chain_dump): Removed df parameter.
1861 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1862 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1864 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1865 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1866 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1867 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1868 DF_REF_MUST_CLOBBER cases.
1869 (df_ru_bb_local_compute_process_def,
1870 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1871 df_lr_bb_local_compute, df_ur_bb_local_compute,
1872 df_chain_create_bb): Made subreg aware.
1873 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1874 df_lr_bb_local_compute, df_lr_bb_local_compute,
1875 df_chain_create_bb): Cleanup to use proper macros.
1876 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1877 code to fixup bitvectors.
1878 (df_ri_alloc): Cleared lifetime.
1879 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1880 df_create_unused_note): New function.
1881 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1882 REG_DEAD and REG_UNUSED notes as well as register information.
1883 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1884 df_chains_dump): Fixed crash if problem was never run.
1885 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1886 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1887 df_ri_add_problem): Processes flags in uniform manner.
1888 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1889 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1890 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1891 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1892 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1893 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1894 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1895 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1896 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1897 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1898 * see.c (see_initialize_data): Ditto.
1899 * final.c (rest_of_clean_state) Added regstack_completed.
1900 * rtl.h (regstack_completed): Ditto.
1901 * reg-stack.c (regstack_completed): Ditto.
1903 2006-05-19 Mike Stump <mrs@apple.com>
1905 * c-tree.h (default_conversion): Remove.
1906 * c-common.h (default_conversion): Add.
1908 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1910 * tree-vrp.c (valid_value_p): New function.
1911 (adjust_range_with_scev): Fail if the value of bound is not
1914 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1916 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1917 (mips_fallback_frame_state): Use syscall numbers to determine
1918 the appropriate li instruction for the current ABI. Only use
1919 __NR_sigreturn for o32.
1921 2006-05-19 Nicolas Setton <setton@adacore.com>
1923 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1924 * langhooks.c (lhd_dwarf_name): New function.
1925 * langhooks-def.h (lhd_dwarf_name): Declare.
1926 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1927 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1928 * ada/misc.c (gnat_dwarf_name): New function.
1929 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1931 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1933 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1935 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1936 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1937 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1938 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1939 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1940 determine the size of Wtype, etc.
1941 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1942 (swfloatfuncs): New variable.
1943 (dwfloatfuncs): Likewise.
1944 (lib2funcs): Remove floating-point conversion functions from
1945 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1946 the set of conversion routines needed. Allow entries to specify
1947 an object name, filename and word size. Update users accordingly.
1948 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1949 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1953 2006-02-08 Roger Sayle <roger@eyesopen.com>
1956 * config/fixtfdi.c: New libgcc source file.
1957 * config/fixunstfdi.c: New source file.
1958 * config/floatditf.c: New source file.
1959 * config/floatunditf.c: New souce file.
1960 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1961 files above instead of config/mips/_tilib.c.
1962 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1964 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1966 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1967 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1969 2006-05-18 Mike Stump <mrs@apple.com>
1971 Fix up vla, vm and [*] sematics.
1977 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1978 (c_vla_unspec_p): Add.
1979 (c_vla_type_p): Add.
1980 * c-decl.c (struct c_scope): Add had_vla_unspec.
1981 (build_array_declarator): Add support for [*].
1982 (grokdeclarator): Likewise.
1983 (grokparms): Likewise.
1984 (get_parm_info): Likewise.
1985 * c-objc-common.c (c_vla_unspec_p): Likewise.
1986 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1987 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1988 typeof when argument is a variably modified type not inside sizeof or alignof.
1989 (c_parser_direct_declarator_inner): Propagate errors.
1990 (c_parser_sizeof_expression): Add support for [*].
1991 (c_parser_parms_declarator): Initialize had_vla_unspec.
1992 (c_parser_parms_list_declarator): Likewise.
1993 * c-typeck.c (c_vla_type_p): Add.
1994 (composite_type): Add support for vla compositing.
1995 (comptypes_internal): Add support for vla compatibility.
1996 (c_expr_sizeof_expr): Evaluate vla arguments.
1997 * tree.c (variably_modified_type_p): Update comment for [*].
1999 2006-05-18 Michael Matz <matz@suse.de>
2002 * config.host: Make assignments to host_xmake_file cumulative.
2003 * config.host (*-darwin*): Test $host, not $target.
2005 2006-05-12 Stuart Hastings <stuart@apple.com>
2007 * config/i386/i386.opt (-mstackrealign): New flag.
2008 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2009 (ix86_handle_cconv_attribute): Emit error when
2010 force_align_arg_pointer attribute collides with too many regparms.
2011 (ix86_function_regparm): Limit regparms when used with
2012 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2013 Support stack-realigning prologue in non-main functions. Emit
2014 warning for nested functions under -mstackrealign, emit error for
2015 nested functions with force_align_arg_pointer attribute.
2016 * doc/extend.texi (force_align_arg_pointer): Document it.
2017 * doc/invoke.texi (-mstackrealign): Document it.
2019 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2021 PR rtl-optimization/27477
2022 * combine.c (try_combine): Don't split a parallel consisting
2023 of two sets into two individual sets if both sets reference
2026 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2028 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2029 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2031 * doc/options.texi (VarExists): Updated.
2033 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2035 * unwind-dw2.c: Add declarations for uw_update_context and
2037 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2038 detected, advance frame state and context once to skip over stub.
2040 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2044 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2045 Call rewrite_into_loop_closed_ssa only when something changed.
2046 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2047 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2048 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2049 Test for perfect_nest_p here. Fix formating.
2050 (replace_uses_equiv_to_x_with_y): Fix formating.
2051 (stmt_uses_op): Removed.
2052 (can_convert_to_perfect_nest): Removed loopivs parameter.
2053 Complete the test by checking the scalar dependences.
2054 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2057 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2060 From Dan Kegel <dank@kegel.com>:
2061 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2063 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2065 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2066 if the element type is variably modified without recursing.
2068 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2071 * tree-loop-linear.c (try_interchange_loops): Test for
2072 no data dependences.
2074 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2076 PR tree-optimization/27548
2077 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2078 range of ssa names that appear on abnormal edges.
2079 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2080 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2082 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2085 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2087 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2090 * tree.h (OMP_PARALLEL_COMBINED): Define.
2091 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2092 (new_omp_context): Add is_combined_parallel argument.
2093 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2094 new_omp_context caller.
2095 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2096 Adjust gimplify_scan_omp_clauses callers.
2097 (omp_is_private): Issue errors if iteration variable is firstprivate
2098 or reduction in the current context.
2099 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2100 on combined parallel workshare constructs.
2102 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2104 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2105 (gcc-options.o): New rule.
2107 * optc-gen.awk: Protect variables for gcc-options.o with
2108 #ifdef GCC_DRIVER/#endif.
2110 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2112 Fix PR tree-optimization/27373
2113 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2114 (forward_propagate_addr_expr): Update call.
2116 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2118 * doc/options.texi: Move the Negative option.
2120 2006-05-16 Richard Guenther <rguenther@suse.de>
2122 PR tree-optimization/22303
2123 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2125 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2126 ccp_fold did not simplify the statement.
2128 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2131 * Makefile.in (GCC_OBJS): New.
2132 (OBJS-common): Add opts-common.o.
2133 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2134 (cpp$(exeext)): Likewise.
2135 (gcc.o): Also depend on opts.h.
2136 (opts-common.o): New.
2138 * common.opt (gcoff): Add Negative(gdwarf-2).
2139 (gdwarf-2): Add Negative(gstabs).
2140 (gstabs): Add Negative(gstabs+).
2141 (gstabs+): Add Negative(gvms).
2142 (gvms): Add Negative(gxcoff).
2143 (gxcoff): Add Negative(gxcoff+).
2144 (gxcoff+): Add Negative(gcoff).
2145 * config/i386/i386.opt (m32): Add Negative(m64).
2146 (m64): Add Negative(m32).
2148 * doc/options.texi: Document the Negative option.
2150 * gcc.c: Include "opts.h".
2151 (main): Call prune_options after expandargv.
2153 * optc-gen.awk: Generate common declarations for all flag
2154 variables in options.c. Output the neg_index field.
2156 * opts.c (find_opt): Moved to ...
2157 * opts-common.c: Here. New file.
2159 * opts.h (cl_option): Add a neg_index field.
2161 (prune_options): Likewise.
2163 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2166 * omp-low.c (expand_omp_parallel): Don't assert
2167 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2168 instead search for it.
2171 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2174 2006-05-16 Andreas Schwab <schwab@suse.de>
2176 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2179 2006-05-15 Roger Sayle <roger@eyesopen.com>
2182 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2183 integer constants other than zero are only legitimate on TARGET_64BIT.
2184 <CONST_VECTOR> Only zero vectors are legitimate.
2185 (ix86_cannot_force_const_mem): Integral and vector constants can
2186 always be put in the constant pool.
2188 2006-05-16 DJ Delorie <dj@redhat.com>
2190 * crtstuff.c (__dso_handle): Set section from
2191 TARGET_LBIGCC_SDATA_SECTION if defined.
2192 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2193 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2195 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2198 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2201 2006-05-16 Ben Elliston <bje@au.ibm.com>
2203 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2205 2006-05-15 Per Bothner <per@bothner.com>
2207 * tree.c: (last_annotated_node): Use source_locus typedef.
2208 This permits bootstrapping with --enable-mapped-location.
2210 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2212 PR tree-optimization/26830
2213 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2214 (info_for_ssa_name, current_info_for_ssa_name_age,
2215 blocks_to_update): New variables.
2216 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2217 (clear_ssa_name_info, initialize_flags_in_bb,
2218 mark_block_for_update): New functions.
2219 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2220 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2221 prepare_def_site_for): Use mark_block_for_update.
2222 (mark_def_interesting): Assert that the processed block is marked in
2223 blocks_to_update. Do not take blocks argument.
2224 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2226 (rewrite_update_init_block, rewrite_update_stmt): Only process
2227 blocks with statements to rewrite.
2228 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2229 (update_ssa): Initialize and free blocks_to_update. Do not
2230 clear flags on statements. Do not use blocks bitmap.
2231 * tree.h (SSA_NAME_AUX): Removed.
2232 (struct tree_ssa_name): Removed aux field.
2233 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2235 2006-05-15 Richard Guenther <rguenther@suse.de>
2237 PR tree-optimization/27603
2238 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2239 Do computations in original type.
2241 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2243 * see.c: Code style changes such as redundant paranthesis,
2244 redundant intialization of local variables etc.
2245 (see_main): Declared now as static.
2246 * doc/invoke.texi: Update that -fsee is not enabled by
2249 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2251 * omp-low.c (check_omp_nesting_restrictions): New function.
2252 (scan_omp_1): Call it.
2255 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2256 construct, return *VAR.
2258 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2260 PR rtl-optimization/27406
2261 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2264 2006-05-14 Roger Sayle <roger@eyesopen.com>
2266 PR rtl-optimization/27538
2267 * combine.c (expand_compound_operation): Call gen_lowpart
2268 before calling simplify_shift_const.
2270 2006-05-14 Roger Sayle <roger@eyesopen.com>
2272 PR rtl-optimization/22563
2273 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2274 a fixed width bitfield, always force the intermediates into psuedos.
2276 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2279 * mkconfig.sh: Use operator = instead of == for test.
2281 2006-05-13 Nick Clifton <nickc@redhat.com>
2283 * dwarf2out.c (dbx_reg_number): Check return value from
2284 LEAF_REG_REMAP and only use it if it is valid.
2285 (multiple_reg_loc_descriptor): Likewise.
2287 2006-05-13 Richard Guenther <rguenther@suse.de>
2289 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2292 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2294 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2295 information attached to non-INSNs such as NOTEs.
2296 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2298 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2300 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2302 * config/s390/s390.md: Adjust comment describing On constraint.
2304 2006-05-11 Jan Hubicka <jh@suse.cz>
2306 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2307 to be output at -O0.
2309 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2312 * fold-const.c (size_binop): Move sanity check for arguments to
2313 the beginning of the function.
2316 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2319 2006-05-11 Richard Guenther <rguenther@suse.de>
2322 * fold-const.c (fold_unary): Handle intermediate conversion
2323 to a pointer type like intermediate conversion to an integer
2324 type in folding of (T1)(T2)var to var.
2325 Match the code to the comment in the final conversion for
2326 (T1)(T2)var to (T1)var regarding to type precision. Rather
2327 than disallow T1 being of pointer type, assert that both T1
2328 and var are of pointer type or not. Make sure not to fall
2329 over the frontends lazyness wrt array to pointer decay though.
2331 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2333 * arm.c (arm_struct_value_rtx): Delete.
2334 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2335 (arm_init_cumulative_args): Always initialize nregs to zero.
2337 2006-05-10 Richard Guenther <rguenther@suse.de>
2339 PR tree-optimization/27532
2340 * tree-object-size.c (plus_expr_object_size): Fix typo.
2342 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2345 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2346 ashrdi_const, ashrdi3): Use a scratch register.
2348 2006-05-10 Richard Guenther <rguenther@suse.de>
2350 PR tree-optimization/27302
2351 * fold-const.c (operand_equal_p): For two comparisons,
2352 try comparison of one comparison code swapped if that yields
2355 2006-05-10 Ben Elliston <bje@au.ibm.com>
2357 * tree-pretty-print.c (pretty_print_string): No need to handle
2358 '\0' as a special character.
2360 * tree.h: Include "hashtab.h".
2361 (iterative_hash_expr): Use hashval_t in its prototype.
2362 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2364 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2367 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2368 (hppa*64*-*-hpux11*): Ditto.
2369 (hppa[12]*-*-hpux11*): Ditto.
2371 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2374 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2376 2006-05-09 Michael Matz <matz@suse.de>
2378 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2379 host_extra_gcc_objs and host_xmake_file.
2380 (<*-*-linux*>): Don't overwrite host_xmake_file.
2381 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2382 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2383 (host_detect_local_cpu): Declare.
2384 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2385 * config/i386/i386.c (override_options): Handle -mtune=native
2387 * config/i386/x-i386: New file.
2388 * config/i386/driver-i386.c: New file.
2389 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2392 2006-05-09 Dirk Mueller <dmueller@suse.de>
2393 Richard Guenther <rguenther@suse.de>
2396 * fold-const.c (fold_read_from_constant_string): Relax check
2397 for matching types to matching modes.
2399 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2401 PR rtl-optimization/27335
2402 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2405 2006-05-08 Chao-ying Fu <fu@mips.com>
2406 Richard Sandiford <richard@codesourcery.com>
2408 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2409 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2410 * config/mips/mips.md (UNSPEC_SCC): New constant.
2411 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2412 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2413 (mips_emit_compare): Use it.
2414 (mips_expand_vcondv2sf): New function.
2416 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2418 Fix PR tree-optimization/27093
2419 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2420 renaming when they become not-used_alone.
2422 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2424 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2425 relocation and relocation stubs.
2427 2006-05-08 Eric Christopher <echristo@apple.com>
2429 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2432 2006-05-08 Jan Hubicka <jh@suse.cz>
2435 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2436 unused static functions are needed.
2438 2006-05-08 Roger Sayle <roger@eyesopen.com>
2441 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2442 of a reg_equiv_constant if the result is a legitimate constant.
2444 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2447 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2448 standard 80387 constants, raise the cost to prevent
2449 compress_float_constant() to generate load from memory.
2451 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2453 * config/arm/constraints.md (c): Fix a typo.
2455 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2458 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2461 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2463 (_mm_mwait): Likewise.
2465 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2467 (sse3_monitor): Make it 32bit only.
2468 (sse3_monitor64): New. 64bit monitor.
2470 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2473 * config/i386/i386.c (classify_argument): Skip fields with invalid
2476 2006-05-07 Richard Guenther <rguenther@suse.de>
2478 PR tree-optimization/27409
2479 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2480 Do not try to find zero-sized subvars.
2482 2006-05-07 Richard Guenther <rguenther@suse.de>
2484 PR tree-optimization/27136
2485 * tree-ssa-loop-niter.c (get_val_for): Correct function
2486 comment, assert requirements.
2487 (loop_niter_by_eval): Stop processing if the iterated
2488 value did not simplify.
2490 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2492 * opts.c (flag_see): remove its setting at -O3.
2494 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2496 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2497 * arm/constraints.md: New file.
2498 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2499 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2500 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2501 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2502 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2503 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2504 * arm.md: Include constraints.md.
2505 (thumb_movsi_insn): Use satisfies_constraint_J.
2506 (movhi, movqi): Use satisfies_constraint_I.
2508 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2510 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2511 for atmeg a645 device.
2513 2006-05-06 Richard Guenther <rguenther@suse.de>
2515 PR tree-optimization/27151
2516 * tree-vect-transform.c (vectorizable_condition): Punt on
2517 values that have a different type than the condition.
2519 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2522 * c-parser.c (c_parser_cast_expression): Only insert casts into
2523 hash table if pointer.
2524 * function.c (used_types_insert_helper): Rename from
2526 (used_types_insert): Call used_types_insert_helper.
2527 * function.h (used_types_insert): Accept only one argument.
2529 2006-05-05 David Edelsohn <edesohn@gnu.org>
2531 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2532 scratch with output modifier.
2534 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2537 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2538 with output modifier.
2540 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2543 * config/mips/mips.c (mips_symbolic_address_p): Return true
2544 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2545 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2547 2006-05-04 Richard Guenther <rguenther@suse.de>
2549 PR tree-optimization/14287
2550 PR tree-optimization/14844
2551 PR tree-optimization/19792
2552 PR tree-optimization/21608
2553 PR tree-optimization/27090
2554 * tree-ssa-pre.c (try_combine_conversion): New function.
2555 (compute_avail): After constructing the value-handle
2556 expression, use try_combine_conversion to combine NOP_EXPRs
2557 with previous value-handle expressions and use the result if it
2560 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2562 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2564 2006-05-04 Jan Hubicka <jh@suse.cz>
2567 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2569 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2571 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2572 that this only matches CONST_INTs. All users changed to VOIDmode
2575 * config/bfin/bfin.c: Include "optabs.h".
2576 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2578 (enum bfin_builtins): Add a number of fractional and vector builtins.
2579 (bfin_init_builtins): Likewise.
2580 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2581 (safe_vector_operand, bfin_expand_binop_builtin,
2582 bfin_expand_unop_builtin): New functions.
2583 (bfin_expand_builtin): Handle the new builtins.
2584 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2587 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2590 * Makefile.in (OBJS-common): Add see.o.
2591 (see.o): Add dependencies.
2592 * common.opt (fsee): New flag for the see optimization was added.
2593 * opts.c (flag_see): Initialized.
2594 * passes.c (init_optimization_passes, pass_see): New pass.
2595 * rtl.h (see_main): Declaration as extern.
2596 * timevar.def (TV_SEE): New.
2597 * tree-pass.h (pass_see): Declaration as extern.
2598 * invoke.texi (-fsee): Document.
2599 * recog.c (validate_simplify_insn): New function.
2600 * recog.h (validate_simplify_insn): Declaration as extern.
2601 * df-problems.c (df_chain_dump): Check for NULL.
2603 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2604 Daniel Berlin <dberlin@dberlin.org>
2606 * cfgrtl.c (insert_insn_bb_end_new): New function.
2607 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2609 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2611 * df.h (struct web_entry): Moved from web.c.
2612 (union_defs): Declaration as extern.
2613 (unionfind_root): Likewise.
2614 (unionfind_union): Likewise.
2615 * web.c (struct web_entry): Moved to df.h.
2616 (unionfind_root): Remove static declaration.
2617 (unionfind_union): Likewise.
2618 (union_defs): Likewise and generalize to use callback function.
2619 (web_main): Update arguments for union_defs function call.
2621 2006-05-04 Richard Guenther <rguenther@suse.de>
2623 PR tree-optimization/26447
2624 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2625 produce SSA_NAME copies before the store stmt to avoid
2626 breaking exception handling.
2628 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2631 * gimplify.c (omp_is_private): If var is shared in some outer context,
2632 return false instead of true. Stop searching on parallel context
2635 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2638 * coverage.c: Use get_gcov_unsigned_t() instead of
2639 unsigned_type_node all over.
2641 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2643 PR tree-optimization/27381
2644 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2645 maintain the same immediate_use links.
2646 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2647 node rather than segfaulting.
2649 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2652 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2653 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2654 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2656 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2658 Fix PR tree-optimization/26626
2659 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2661 * tree-ssa-operands.c (access_can_touch_variable): Allow
2662 typecasting through union pointers.
2664 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2667 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2668 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2669 to find if var will be a global variable even in the nested context.
2670 (omp_copy_decl): Only check for global variable at the end, it might
2671 be overridden in outer contexts.
2672 (scan_sharing_clauses): For global variables don't create a field.
2673 (lower_rec_input_clauses): Do nothing for global shared variables.
2674 Emit a barrier at the end of ILIST if there were any decls in both
2675 firstprivate and lastprivate clauses.
2676 (lower_send_clauses): Do nothing for global variables except for
2679 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2681 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2682 of the correct signedness is returned.
2684 2006-05-02 Jeff Law <law@redhat.com>
2686 PR tree-optimization/27364
2687 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2688 multiply expressions.
2690 2006-05-02 Tom Tromey <tromey@redhat.com>
2692 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2694 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2697 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2698 -mthumb -fPIC are used.
2700 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2701 Joshua Kinard <kumba@gentoo.org>
2704 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2705 with 64-bit pointers.
2707 2006-05-02 Paul Brook <paul@codesourcery.com>
2709 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2711 (create_fix_barrier): Check that a suitable barrier location is
2713 (arm_reorg): Include ftmp->address in allowable range of addresses.
2715 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2718 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2721 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2724 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2725 around RESULT_DECL for result passed by reference.
2726 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2727 * omp-low.c (use_pointer_for_field): Don't look at
2728 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2729 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2730 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2731 time or var for passing by reference for
2732 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2733 TREE_ADDRESSABLE variables when passing by reference.
2735 * omp-low.c (dump_omp_region): Fix output formatting.
2738 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2739 (expand_omp_parallel): Likewise.
2740 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2743 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2744 on statement list containing also constructors and destructors.
2745 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2748 * except.c (duplicate_eh_regions): Fix clearing of
2749 cfun->eh->region_array entries.
2751 2006-05-01 DJ Delorie <dj@redhat.com>
2753 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2755 (gcc_cv_objdump): Likewise.
2756 * configure: Regenerated.
2758 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2761 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2762 templates for case 3 and 4.
2764 2006-05-01 DJ Delorie <dj@redhat.com>
2766 * vec.c: Include bconfig.h when appropriate.
2767 * Makefile.in (build/vec.o): Adjust dependencies.
2768 * mkconfig.sh: Make sure config.h isn't used for build machine
2771 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2773 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2775 (mark_phi_for_rewrite): New function.
2776 (insert_phi_nodes_for, mark_use_interesting): Call
2777 mark_phi_for_rewrite.
2778 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2779 (update_ssa): Initialize and free phis_to_rewrite.
2781 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2783 PR rtl-optimization/27291
2784 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2785 folded to a constant.
2787 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2789 PR tree-optimization/27283
2790 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2791 not whole # of iteration descriptions.
2792 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2793 uses abnormal ssa name.
2794 (niter_for_single_dom_exit): Ditto.
2795 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2796 return just the number of iterations.
2798 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2800 PR tree-optimization/27144
2801 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2802 (record_estimate): Only record constant upper bound.
2803 (infer_loop_bounds_from_undefined): Call
2804 compute_estimated_nb_iterations just once.
2805 (proved_non_wrapping_p): Renamed to ...
2806 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2807 (convert_step_widening, scev_probably_wraps_p): Call
2808 n_of_executions_at_most instead of proved_non_wrapping_p.
2809 (substitute_in_loop_info): Do not replace values in bounds.
2810 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2813 2006-05-01 Richard Henderson <rth@redhat.com>
2816 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2817 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2820 2006-05-01 Roger Sayle <roger@eyesopen.com>
2822 * c-typeck.c (parser_build_binary_op): Don't call the function
2823 unsigned_conversion_warning to spot operand/result type overflow.
2824 (build_binary_op): Instead, call convert_and_check instead of
2825 convert to report the problem when the operands are promoted.
2826 * c-common.c (unsigned_conversion_warning): Make static.
2827 * c-common.h (unsigned_conversion_warning): Delete prototype.
2829 2006-05-01 Richard Guenther <rguenther@suse.de>
2831 PR tree-optimization/26726
2832 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2834 (find_interesting_uses_address): ... we work around here
2835 by folding INDIRECT_REFs in the substituted base.
2837 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2839 * omp-low.c (dump_omp_region): Add newlines.
2841 2006-04-30 Roger Sayle <roger@eyesopen.com>
2843 * common.opt (Woverflow): New command line option.
2844 * c-common.c (constant_expression_warning): Check warn_overflow.
2845 (overflow_waring): Pass OPT_Woverflow to warning.
2846 (unsigned_conversion_warning): Likewise.
2847 (convert_and_check): Likewise.
2848 * doc/invoke.texi: Document new command line option.
2850 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2852 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2853 TARGET_NO_FP_IN_TOC for section anchors.
2854 (optimization_options): Enable section anchors for all
2855 non-"Objective" languages.
2857 2006-04-28 Eric Christopher <echristo@apple.com>
2859 * config/darwin-c.c (darwin_ms_struct): Move this
2860 (darwin_set_default_type_attributes): and this...
2861 * config/darwin.c: ... here.
2862 * config/darwin.h (darwin_ms_struct): Declare.
2864 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2866 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2868 2006-04-28 Roger Sayle <roger@eyesopen.com>
2871 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2872 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2873 an unsigned HOST_WIDE_INT.
2874 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2876 (really_start_incremental_init): No need to call convert because
2877 bitsize_zero_node is already of type bitsizetype.
2878 (push_init_level): Extract the value of constructor_index as an
2879 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2880 (process_init_element): Likewise.
2882 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2884 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2885 value before passing to make_relative_prefix.
2887 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2890 * builtins.c (expand_builtin_memset): Expand val in original mode.
2892 2006-04-27 Eric Christopher <echristo@apple.com>
2894 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2895 with #ifndef/#endif.
2896 * config/darwin-c.c (darwin_ms_struct): New.
2897 (darwin_pragma_ms_struct): Ditto.
2898 (darwin_set_default_type_attributes): Ditto.
2899 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2900 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2901 Register ms_struct pragma.
2902 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2903 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2904 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2905 darwin_set_default_type_attributes if TARGET_MACHO.
2907 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2909 PR tree-optimization/26854
2910 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2911 * doc/tree-ssa.texi: Update immuse iterator documentation.
2912 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2913 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2914 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2915 first_safe_imm_use, next_safe_imm_use): Remove.
2916 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2917 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2918 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2919 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2920 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2921 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2922 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2923 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2924 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2925 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2926 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2927 (perfect_nestify): Use new iterator.
2928 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2930 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2931 (next_imm_name): New field in struct immediate_use_iterator_d.
2932 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2933 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2934 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2935 * tree-cfg.c (replace_uses_by): Use new iterator.
2936 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2937 * tree-ssa-operands.c (correct_use_link): Remove.
2938 (finalize_ssa_use_ops): No longer call correct_use_link.
2940 2006-04-27 Stuart Hastings <stuart@apple.com>
2942 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2943 * config/t-darwin (crt3.o): Use it.
2944 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2945 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2946 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2947 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2948 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2951 2006-04-27 Roger Sayle <roger@eyesopen.com>
2953 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2954 size, force the intermediate into a new pseudo rather instead of
2955 performing both a bitwise AND and a bitwise IOR in memory.
2957 2006-04-27 Richard Guenther <rguenther@suse.de>
2959 PR rtl-optimization/26685
2960 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2961 this one "max-flow-memory-locations".
2963 2006-04-27 Richard Guenther <rguenther@suse.de>
2965 PR tree-optimization/25148
2966 * tree-vrp.c (compare_values): Remove code dealing with
2967 comparisons against type min/max value. Honour overflow
2968 and negative constants in code dealing with comparisons
2969 of plus and minus expressions.
2970 (value_inside_range): Use fold_binary with LE_EXPR and
2971 GE_EXPR rather than compare_values.
2973 2006-04-27 Dirk Mueller <dmueller@suse.de>
2975 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2978 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2980 * basic-block.h (safe_insert_insn_on_edge): Removed.
2981 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2983 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2984 Paolo Bonzini <bonzini@gnu.org>
2987 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2988 (simplify_and_const_int): Same.
2990 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2992 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2994 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2997 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2998 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2999 cgraph_global_info_ready.
3002 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3005 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3006 either decl or init is error_mark_node.
3009 * tree-flow.h (struct omp_region): Add sched_kind.
3010 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3011 instead of extracting omp for data.
3012 (expand_omp_for): Save extracted sched_kind.
3014 2006-04-25 Roger Sayle <roger@eyesopen.com>
3016 * expmed.c (store_bit_field): Also check whether the bitsize is
3017 valid for the machine's "insv" instruction before moving the
3018 target into a pseudo for use with the insv.
3019 * config/i386/predicates.md (const8_operand): New predicate.
3020 * config/i386/i386.md (extv, extzv, insv): Use the new
3021 const8_operand predicate where appropriate.
3023 2006-04-25 DJ Delorie <dj@redhat.com>
3025 * doc/install.texi (Specific): Clarify that this is not a list of
3026 supported hosts or targets.
3028 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3030 PR rtl-optimization/26725
3031 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3032 block's BB_DIRTY flag.
3034 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3036 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3039 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3040 to print an integer.
3042 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3044 * varasm.c (align_variable): New function.
3045 (get_block_for_decl): Apply align_variable to DECL before
3046 calculating section information.
3047 (assemble_variable): Split out alignment computation.
3049 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3051 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3054 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3056 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3057 MODE_PARTIAL_INT mode.
3058 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3059 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3061 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3062 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3064 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3066 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3068 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3069 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3070 MACFLAG_IH): Likewise.
3071 (movstricthi_1): Renamed from "*movstricthi".
3072 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3073 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3074 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3075 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3076 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3077 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3078 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3079 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3080 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3081 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3082 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3083 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3084 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3085 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3086 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3088 * doc/rtl.texi (ss_ashift): Improve wording.
3090 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3092 * dwarf2out.c (verify_marks_clear): New.
3093 (prune_unused_types): Call verify_marks_clear initially, not
3096 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3098 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3099 * doc/rtl.texi: Document them.
3100 * simplify-rtx.c (simplify_unary_operation,
3101 simplify_binary_operation_1): Don't abort when we see them.
3103 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3106 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3107 * configure.ac: Completely disregard languages that are not
3109 * configure: Regenerated.
3111 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3112 Richard Guenther <rguenther@suse.de>
3114 PR tree-optimization/27236
3115 * tree-inline.c (copy_body_r): Make sure to copy
3116 TREE_THIS_VOLATILE flag.
3118 2006-04-24 Richard Guenther <rguenther@suse.de>
3121 * tree-complex.c (update_parameter_components): Don't handle
3122 unused parameters which have no default def.
3124 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3125 Richard Guenther <rguenther@suse.de>
3127 PR tree-optimization/27218
3128 * tree-inline.c (expand_call_inline): Strip useless type
3129 conversions for the return slot address.
3131 2006-04-24 Richard Guenther <rguenther@suse.de>
3133 * cfgloop.h (struct loops): Remove unused field array. Reorder
3135 (LOOP_PREFETCH): Remove.
3137 2006-04-24 Richard Guenther <rguenther@suse.de>
3139 PR tree-optimization/22525
3140 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3141 variable, adjust types of generated expressions.
3143 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3145 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3146 (tree-vect-patterns.o): Likewise.
3148 (cselib.o): Likewise.
3149 (loop-doloop.o): Likewise.
3150 (regclass.o): Likewise.
3151 (reload1.o): Likewise.
3152 (explow.o): Replace target.h with $(TARGET_H).
3153 (ipa-prop.o): Likewise.
3154 (ipa-cp.o): Likewise.
3155 (ipa-inline.o): Likewise.
3156 (reorg.o): Likewise.
3157 (reg-stack.o): Likewise.
3159 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3161 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3163 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3165 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3167 * configure.ac: Completely disregard languages that are not
3169 * configure: Regenerated.
3172 * c-common.h (c_build_bitfield_integer_type): Declare.
3173 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3174 * c-common.c (c_build_bitfield_integer_type): ... here.
3176 2006-04-23 Roger Sayle <roger@eyesopen.com>
3179 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3180 a SImode SUBREG of a floating point register after no_new_pseudos.
3182 2006-04-23 Roger Sayle <roger@eyesopen.com>
3184 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3185 identify potentially eliminable registers to additionally catch
3186 VIRTUAL_INCOMING_ARGS_REGNUM.
3187 (addsi3): Update the conditions on when to use addsi_small_int.
3189 2006-04-23 Roger Sayle <roger@eyesopen.com>
3192 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3193 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3194 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3196 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3198 * fold-const.c (range_predecessor): Use operand_equal_p
3199 as the predicate for equality.
3200 (range_successor): Likewise.
3202 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3205 * config/soft-fp/op-common.h: Fix a typo.
3207 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3210 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3211 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3213 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3215 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3217 * doc/tm.texi: Fix a typo.
3219 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3221 * dwarf2out.c (struct die_struct): Document that die_sib makes
3222 a circular linked list.
3223 (FOR_EACH_CHILD): New.
3224 (reverse_die_lists): Delete.
3225 (reverse_all_dies): Delete.
3226 (add_dwarf_attr): Correct documentation.
3227 (remove_child_with_prev): New.
3228 (remove_child_TAG): Update for change to die_struct, use
3229 remove_child_with_prev.
3230 (add_child_die): Update for change to die_struct.
3231 (splice_child_die): Use remove_child_with_prev and add_child_die.
3232 (print_die): Use FOR_EACH_CHILD.
3233 (die_checksum): Likewise.
3234 (assign_symbol_names): Likewise.
3235 (output_location_lists): Likewise.
3236 (build_abbrev_table): Likewise.
3237 (calc_die_sizes): Likewise.
3238 (mark_dies): Likewise.
3239 (unmark_dies): Likewise.
3240 (unmark_all_dies): Likewise.
3241 (output_die): Likewise.
3242 (prune_unused_types_mark): Likewise.
3243 (prune_unused_types_walk): Likewise.
3244 (same_die_p): Update for change to die_struct.
3245 (break_out_includes): Likewise.
3246 (prune_unused_types_prune): Likewise.
3247 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3248 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3250 (dwarf2out_finish): Don't call reverse_all_dies.
3252 2006-04-21 Eric Christopher <echristo@apple.com>
3254 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3255 in comments and function names.
3257 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3260 * c-typeck.c (digest_init): Robustify.
3262 * c-typeck.c (pop_init_level): Simplify.
3264 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3266 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3268 2006-04-21 Paul Brook <paul@codesourcery.com>
3270 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3271 hardware floating point.
3273 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3275 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3278 2006-04-21 Nick Clifton <nickc@redhat.com>
3280 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3283 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3286 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3287 C++ lang type in traceback table for Objective-C++.
3289 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3291 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3293 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3295 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3298 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3299 were errors. Remove check for erroneous objects.
3301 2006-04-20 Jeff Law <law@redhat.com>
3303 PR tree-optimization/26854
3304 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3305 checking for zero or one use.
3306 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3307 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3308 * tree-ssa-reassoc.c (negate_value): Similarly.
3309 (reassociate_bb): Similarly.
3311 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3313 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3314 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3315 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3317 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3319 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3320 fp regs if the last fp arg doesn't fit in regs.
3322 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3325 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3326 that the last insn has the REG_INC note.
3328 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3329 Nathan Sidwell <nathan@codesourcery.com>
3332 * stor-layout.c (update_alignment_for_field): Do not align
3334 (place_union_field): Place union field at the start of the union.
3335 (place_field): Move ERROR_MARK check later, and use the current
3336 allocation position to maintain monotonicity.
3338 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3340 * dominance.c: Include timevar.h.
3341 (calculate_dominance_info): Use TV_DOMINANCE.
3342 * timevar.def (TV_DOMINANCE): New timevar.
3343 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3345 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3347 PR rtl-optimization/14261
3348 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3349 move would be an INSV insn.
3350 (noce_process_if_block): Don't optimize if the destination is a
3351 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3353 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3355 * config/s390/s390.md: Add comments with the instructions emitted
3356 by an insn pattern if macros are used.
3358 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3360 PR rtl-optimization/26026
3361 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3362 is a known power of two shifted left a variable amount.
3364 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3366 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3367 to hash table twice when the debug_str section has SECTION_MERGE.
3369 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3371 * config/soft-fp: New directory. From glibc.
3372 * config/soft-fp/t-softfp: New.
3373 * config/soft-fp/README: New.
3374 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3375 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3376 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3377 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3378 * config.gcc: Use rs6000/t-fprules-fpbit or
3379 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3381 * config/rs6000/sfp-machine.h: New. Based on glibc.
3382 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3384 * config/rs6000/t-fprules: Remove fp-bit rules.
3385 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3386 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3387 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3388 (softfp_wrap_start, softfp_wrap_end): New.
3390 2006-04-18 DJ Delorie <dj@redhat.com>
3392 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3394 2006-04-18 Devang Patel <dpatel@apple.com>
3396 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3398 2006-04-18 Nick Clifton <nickc@redhat.com>
3400 * config/sh/t-symbian: Add rule to build sh-c.o
3401 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3402 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3403 (sh_symbian_encode_section_info): Likewise.
3405 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3407 * builtins.c (expand_builtin_strcmp): Cover label definition of
3408 do_libcall with HAVE_cmpstrnsi.
3410 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3412 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3414 * function.h (temp_slot_p): New.
3415 (function): Change the type of x_used_temp_slots to
3416 VEC(temp_slot_p,gc) *.
3418 2006-04-18 Nick Clifton <nickc@redhat.com>
3420 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3421 flag_strength_reduce.
3423 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3425 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3429 Partial revert of revision 112637
3430 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3431 Dale Johannesen <dalej@apple.com>
3434 * regclass.c (struct reg_pref): Update documentation.
3435 (regclass): Set prefclass to NO_REGS if memory is the best option.
3436 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3438 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3440 PR tree-optimization/26821
3441 * tree-ssa-math-opts.c (get_constant_one): New.
3442 (insert_reciprocals): Use it.
3444 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3446 * dwarf2out.c (free_AT): Delete.
3447 (remove_AT): Update string ref counts.
3448 (remove_child_TAG): Don't call free_die.
3450 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3451 or DW_TAG_GNU_EINCL.
3452 (prune_unused_types_walk_attribs): Reset string refcounts.
3453 (prune_unused_types_update_strings): New.
3454 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3455 call free_die. Do call prune_unused_types_update_strings.
3456 (prune_unused_types): Empty debug_str_hash.
3458 2006-04-17 Roger Sayle <roger@eyesopen.com>
3460 * expr.c (expand_assignment): Optimize away no-op moves where the
3461 source and destination are equal and have no side-effects.
3463 2006-04-17 Richard Guenther <rguenther@suse.de>
3466 * reload.c (push_reload): Guard calls to get_secondary_mem
3469 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3471 * alias.c (reg_base_value, old_reg_base_value): Change the
3472 type to VEC(rtx,gc) *.
3473 (REG_BASE_VALUE, find_base_value, record_set,
3474 init_alias_analysis): Use VEC instead of VARRAY.
3476 * alias.c (alias_sets): Change the type to
3477 VEC(alias_set_entry,gc) *.
3478 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3479 VEC instead of VARRAY.
3480 (last_alias_set): Remove.
3482 * cgraph.h (cgraph_edge_p): New.
3483 Update the prototype of cgraph_function_versioning.
3484 * cgraphunit.c (cgraph_copy_node_for_versioning,
3485 cgraph_function_versioning): Use VEC instead of VARRAY.
3486 * ipa-cp.c (ipcp_insert_stage): Likewise.
3488 2006-04-16 Roger Sayle <roger@eyesopen.com>
3491 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3492 "A op B" or "A op C", we may need to convert A to the type of B and C.
3494 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3496 * target.h (struct gcc_target): Add mode_rep_extended.
3497 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3498 (init_num_sign_bit_copies_in_rep): Initialize it using
3500 (truncate_to_mode): Use it.
3501 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3502 * targhooks.h (default_mode_rep_extended): Declare it.
3503 * targhooks.c (default_mode_rep_extended): Define it.
3504 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3505 default_mode_rep_extended.
3506 (TARGET_INITIALIZER): Include it.
3507 * doc/tm.texi (Misc): Document it.
3508 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3509 (mips_truncated_to_mode): New function.
3511 2006-04-16 Roger Sayle <roger@eyesopen.com>
3514 * expr.c (compress_float_constant): Copy the narrow constant into
3515 a new pseudo before extending it to its final width.
3517 2006-04-16 Roger Sayle <roger@eyesopen.com>
3518 Andrew Pinski <pinskia@gcc.gnu.org>
3519 Dale Johannesen <dalej@apple.com>
3522 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3523 special case code to implement V8HImode and V16QImode with SSE2.
3525 2006-04-15 Roger Sayle <roger@eyesopen.com>
3527 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3528 trees are constructed with a suitable tree type.
3530 2006-04-15 Roger Sayle <roger@eyesopen.com>
3532 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3533 (integer_onep): Likewise.
3534 (integer_all_onesp): Likewise.
3535 (integer_pow2p): Likewise.
3536 (integer_nonzerop): Likewise.
3537 (real_zerop): Likewise.
3538 (real_onep): Likewise.
3539 (real_twop): Likewise.
3540 (real_minus_onep): Likewise.
3541 (int_size_in_bytes): Likewise.
3542 (host_integerp): Likewise.
3544 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3546 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3547 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3548 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3550 * tree-ssa-structalias.h (alias_info): Remove num_references.
3552 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3554 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3555 (output_bvb patterns): Likewise.
3556 * pa.c (output_bb): Use 'bb' insn for long branch case.
3557 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3558 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3559 1. Correct length operand for alternatives 1 and 2.
3560 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3561 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3563 2006-04-14 Roger Sayle <roger@eyesopen.com>
3565 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3566 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3567 were accidentally reverted by r112959.
3569 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3572 * except.h (eh_region_outermost): New prototype.
3573 * except.c (eh_region_outermost): New function.
3574 * tree-cfg.c (find_outermost_region_in_block): Use it.
3576 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3578 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3580 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3581 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3582 (init_reload, reload): Use VEC instead of VARRAY.
3583 * reload.h: Update the prototype for
3584 reg_equiv_memory_loc_varray.
3586 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3587 Eric Botcazou <ebotcazou@libertysurf.fr>
3589 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3592 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3595 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3596 to expand fallback builtin function call.
3598 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3601 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3602 and emit libcall here in case the builtin fails.
3603 (expand_builtin_strcmp): Always emit the libcall here on failure.
3605 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3607 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3608 * flow.c (reg_n_info): Change the type to
3609 VEC(reg_info_p,heap) *.
3610 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3612 * regs.h (reg_info_p): New.
3613 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3614 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3615 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3618 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3620 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3622 * params.h (MAX_SCHED_READY_INSNS): New macro.
3623 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3624 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3625 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3626 the ready list for 1 cycle during the first scheduling pass.
3627 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3629 2006-04-13 Richard Henderson <rth@redhat.com>
3632 * gimple-low.c (lower_omp_directive): Remove dead code.
3633 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3634 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3635 * omp-low.c (struct omp_region): Move to tree-flow.h.
3636 (root_omp_region): Export.
3637 (omp_regions, lookup_omp_region): Remove.
3638 (determine_parallel_type): Update for struct omp_region changes.
3639 (dump_omp_region): Dump regions with block numbers.
3640 (new_omp_region): Take type and block instead of stmt; malloc
3642 (free_omp_region_1, free_omp_regions): New.
3643 (expand_parallel_call): Take entry_stmt as argument; update for
3644 changes to omp_region.
3645 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3646 (remove_exit_barriers): New.
3647 (expand_omp_parallel): Update for struct omp_region changes.
3648 (expand_omp_synch): Likewise.
3649 (expand_omp): Likewise.
3650 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3651 (expand_omp_for_static_chunk): Likewise.
3652 (expand_omp_for): Likewise.
3653 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3654 (expand_omp_sections): Similarly, with GOMP_sections_end.
3655 (expand_omp_single): New.
3656 (build_omp_regions_1): Update for OMP_CONTINUE.
3657 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3658 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3659 OMP_SECTIONS_SECTIONS.
3660 (lower_omp_single_simple): Don't emit barrier here.
3661 (lower_omp_single_copy): Likewise.
3662 (lower_omp_single): Fix bindings, and lower to straightline now.
3663 (lower_omp_master, lower_omp_ordered): Likewise.
3664 (lower_omp_critical): Likewise.
3665 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3666 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3667 omp edges, free it afterward.
3668 (make_omp_sections_edges): Remove.
3669 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3670 (move_stmt_r): Handle OMP_CONTINUE.
3671 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3672 statement pointers to basic blocks. Add type member.
3673 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3674 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3675 * tree-inline.c (estimate_num_insns_1): Likewise.
3676 * tree-pretty-print.c (dump_generic_node): Likewise.
3677 * tree-ssa-operands.c (get_expr_operands): Likewise.
3678 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3679 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3680 (OMP_CONTINUE): New.
3681 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3682 (OMP_SECTIONS_SECTIONS): Remove.
3683 (OMP_SECTION_LAST): New.
3684 (OMP_RETURN_NOWAIT): New.
3686 2006-04-13 Roger Sayle <roger@eyesopen.com>
3688 * fold-const.c (native_encode_vector, native_interpret_real):
3689 Correct obvious mistakes in the previous check-in.
3691 2006-04-13 Roger Sayle <roger@eyesopen.com>
3693 * fold-const.c (native_encode_expr): New function to encode
3694 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3695 or VECTOR_CST into a specified buffer.
3696 (native_encode_int): New function.
3697 (native_encode_real): New function.
3698 (native_encode_complex): New function.
3699 (native_encode_vector): New function.
3700 (native_interpret_expr): Inverse of native_encode_expr to convert
3701 a target representation into an INTEGER_CST, REAL_CST etc...
3702 (native_interpret_int): New function.
3703 (native_interpret_real): New function.
3704 (native_interpret_complex): New function.
3705 (native_interpret_vector): New function.
3706 (fold_view_convert_expr): New function to constant fold/evaluate
3707 a VIEW_CONVERT_EXPR of a suitable constant expression.
3708 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3709 Change call of build1 to fold_build1 when constructing a
3712 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3713 Ulrich Weigand <uweigand@de.ibm.com>
3716 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3719 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3722 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3723 optimize to lo_sum for DFmode if !TARGET_FPRS.
3725 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3727 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3728 delete_alias_info, compute_flow_sensitive_aliasing,
3729 group_aliases): Use VEC instead of VARRAY.
3730 * tree-ssa-structalias.c (update_alias_info): Likewise.
3731 * tree-ssa-structalias.h (alias_info): Change the type of
3732 processed_ptrs to VEC(tree,heap) *.
3734 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3737 * config/sh/lib1funcs.h: New file, broken out of:
3738 * config/sh/lib1funcs.asm.
3739 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3741 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3742 * config/sh/lib1funcs-Os-4-200.asm: New file.
3743 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3744 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3745 (EXTRA_MULTILIB_PARTS): Include it.
3746 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3747 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3748 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3749 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3752 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3754 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3755 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3756 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3758 * tree-ssa-live.h: Include vecprim.h.
3759 (tree_partition_associator_d): Change the type of
3760 first_partition to VEC(int,heap) *.
3761 (tpa_first_partition): Use VEC instead of VARRAY.
3763 * Makefile.in (GTFILES): Move functions.h after tree.h.
3764 * function.c (reset_block_changes, record_block_change,
3765 check_block_change, free_block_changes): Use VEC instead of
3767 * function.h (function): Change the type of
3768 ib_boundaries_block to VEC(tree,gc) *.
3769 * tree-inline.c (copy_cfg_body): Initialize
3770 ib_boundaries_block to NULL instead of (varray_type) 0.
3772 2006-04-12 Roger Sayle <roger@eyesopen.com>
3774 * expr.c (emit_group_store): Correct operand order in call to
3775 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3776 a SUBREG_BYTE of zero.
3778 2006-04-12 Richard Guenther <rguenther@suse.de>
3780 * profile.c (compute_branch_probabilities): Remove code
3781 encapsulated in !ir_type (), which are remanents of the
3782 removed RTL profiling code.
3783 * rtl-profile.c: Remove.
3785 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3787 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3788 magic NULL_RTX comment.
3789 (function_arg): Store entire fp arg to mem if any part should go
3791 (rs6000_arg_partial_bytes): Adjust for above change.
3793 2006-04-11 Roger Sayle <roger@eyesopen.com>
3795 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3796 if it hasn't been initialized by dwarf2out_init.
3798 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3800 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3801 symbolic constants in branch patterns.
3803 2006-04-11 Roger Sayle <roger@eyesopen.com>
3805 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3807 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3809 PR rtl-optimization/27073
3810 * gcse.c (try_replace_reg): Revert last change. Continue to search
3811 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3814 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3816 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3817 aggregate types other than record and union types.
3818 (function_arg): Likewise.
3819 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3821 (function_value): In 64-bit mode, return objects that require it
3824 2006-04-11 Roger Sayle <roger@eyesopen.com>
3826 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3828 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3830 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3832 2006-04-03 Jeff Law <law@redhat.com>
3835 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3836 alias information too.
3838 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3840 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3842 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3845 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3846 (premark_used_types_helper): New.
3847 (premark_used_types): New.
3848 (gen_subprogram_die): Call premark_used_types.
3849 (prune_unused_types_walk): Do not prune perennial dies.
3850 * function.c (used_types_insert): New.
3851 * function.h (struct function): Add used_types_hash field.
3852 (used_types_insert): Add prototype.
3853 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3854 * c-parser.c (c_parser_cast_expression): Save casted types in used
3857 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3860 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3861 rs6000_explicit_options.float_gprs.
3863 2006-04-10 Roger Sayle <roger@eyesopen.com>
3865 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3866 from ix86_expand_vector_init_low_nonzero. Take an additional
3867 one_var argument indicating which element is non-zero. Support
3868 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3869 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3870 with one_var instead of ix86_expand_vector_init_low_nonzero.
3872 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3874 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3875 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3876 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3877 build/genextract.o): Depend on vecprim.h.
3878 * cfglayout.c, df-problems.c, function.c, genextract.c,
3879 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3880 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3884 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3886 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3887 Declare VECs of this type.
3888 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3889 (remove_children): Delete.
3890 (add_dwarf_attr): Use VEC routines.
3891 (add_AT_flag): Update for changes to add_dwarf_attr.
3892 (add_AT_int): Likewise.
3893 (add_AT_unsigned): Likewise.
3894 (add_AT_long_long): Likewise.
3895 (add_AT_vec): Likewise.
3896 (add_AT_string): Likewise.
3897 (add_AT_die_ref): Likewise.
3898 (add_AT_fde_ref): Likewise.
3899 (add_AT_loc): Likewise.
3900 (add_AT_loc_list): Likewise.
3901 (add_AT_addr): Likewise.
3902 (add_AT_lbl_id): Likewise.
3903 (add_AT_lineptr): Likewise.
3904 (add_AT_macptr): Likewise.
3905 (add_AT_offset): Likewise.
3906 (add_AT_range_list): Likewise.
3907 (get_AT): Use VEC_iterate.
3908 (remove_AT): Use VEC_ordered_remove.
3909 (free_die): Fold remove_children into here; have it use VEC_iterate.
3910 (print_die): Use VEC_iterate on attrs.
3911 (reverse_die_lists): Don't reverse attr lists.
3912 (die_checksum): Use VEC_iterate on attrs.
3913 (same_die_p): Likewise.
3914 (output_location_lists): Likewise.
3915 (build_abbrev_table): Likewise.
3916 (size_of_die): Likewise.
3917 (unmark_all_dies): Likewise.
3918 (output_abbrev_section): Likewise.
3919 (output_die): Likewise.
3920 (prune_unused_types_walk_attribs): Likewise.
3922 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3924 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3926 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3929 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3931 2006-04-09 Roger Sayle <roger@eyesopen.com>
3933 * expr.c (store_constructor): Don't bother clearing target if
3934 we're about to assign a vector to it using vec_init_optab.
3936 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3938 * tree-ssa-alias.c (lhs_may_store_to): New function.
3939 (recalculate_used_alone): Handle LHS of calls.
3941 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3945 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3946 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3947 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3948 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3949 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3950 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3951 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3952 stubs. Add ".align 8" directives before all ".dword" directives.
3953 (GTHREAD_USE_WEAK): Revise comment.
3954 (TARGET_ATTRIBUTE_WEAK): Define.
3955 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3956 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3957 * stublib.c: New file.
3962 * pa.md (cbranch patterns): Revise arguments used in calls to
3963 output_cbranch, output_bb and output_bvd. Add long branch length
3965 (fbranch patterns): Handle long branches.
3966 (jump): Revise length check. Revise arguments for output_lbranch call.
3967 Add long branch length attributes.
3968 (decrement_and_branch_until_zero): Add long branch length attributes.
3969 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3970 Likewise. Revise arguments for output_parallel_addb and
3971 output_parallel_movb calls.
3972 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3973 output_parallel_movb and output_parallel_addb): Update prototypes.
3974 * pa.c (output_cbranch): Revise arguments. Correct handling of
3975 nullification in long branches.
3976 (output_lbranch): Add new argument to control extraction of delay
3978 (output_bb): Handle long branches.
3979 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3980 output_parallel_addb): Likewise.
3982 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3984 PR rtl-optimization/27073
3985 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3988 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3990 * tree.h (tree_memory_tag): Add old_used_alone.
3991 (SMT_OLD_USED_ALONE): New macro.
3992 * tree-ssa-alias.c (recalculate_used_alone): Stop
3993 marking things for renaming unnecessarily.
3995 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3997 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3998 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3999 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4000 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4001 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4002 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4003 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4004 spelling convensions.
4005 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4006 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4007 typos. Follow spelling conventions.
4009 2006-04-07 DJ Delorie <dj@redhat.com>
4011 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4012 passed on the stack.
4013 (m32c_init_cumulative_args): When a function returns a structure,
4014 always pass the pointer to that return area on the stack.
4015 (m32c_function_arg_advance): Don't increment the parameter number
4016 if we're processing the returned structure pointer.
4017 (pushm_info): Reverse order of registers.
4019 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4021 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4022 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4023 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4024 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4026 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4027 chrec_fold_multiply): Same.
4028 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4029 force_expr_to_var_cost): Same.
4030 * tree-mudflap.c (mf_xform_derefs_1): Same.
4031 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4033 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4035 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4036 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4039 2006-04-07 Jan Hubicka <jh@suse.cz>
4041 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4043 2006-04-07 Richard Guenther <rguenther@suse.de>
4045 PR tree-optimization/26135
4046 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4047 loads for store copy-prop.
4048 (copy_prop_visit_stmt): Likewise.
4050 2006-04-05 Robert Millan <robertmh@gnu.org>
4052 * config/i386/linux.h: Add a comment to mark macros that are
4053 being overriden in config/k*bsd-gnu.h.
4054 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4056 * config/knetbsd-gnu.h: Ditto.
4058 2006-04-06 Jan Hubicka <jh@suse.cz>
4062 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4065 2006-04-06 Mike Stump <mrs@apple.com>
4067 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4068 for HAVE_nonlocal_goto to be consistent.
4069 (expand_builtin_nonlocal_goto): Likewise.
4070 (expand_builtin_strcmp): Use #ifdef instead of #if
4071 for HAVE_cmpstrnsi to be consistent.
4073 2006-04-05 DJ Delorie <dj@redhat.com>
4075 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4078 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4080 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4081 got-relative addressing for anything but SImode.
4083 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4084 even if the calling function doesn't modify them.
4086 2006-04-05 Richard Guenther <rguenther@suse.de>
4088 PR tree-optimization/26919
4089 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4090 to cgraph_estimate_size_after_inlining.
4092 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4094 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4096 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4098 PR tree-optimization/26996
4099 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4100 VECTOR_TYPE variables.
4102 2006-04-05 Richard Guenther <rguenther@suse.de>
4104 PR tree-optimization/26763
4105 * fold-const.c (fold_comparison): Move folding of
4106 PTR + CST CMP PTR + CST ...
4107 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4109 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4111 * doc/install.texi (Prerequisites): Refine some wording on
4112 bootstrapping and ksh.
4113 Move the version numbers of DejaGnu here from the testing section
4114 and fix casing of names.
4115 Fix markup and clarify wording for autogen requirements.
4116 Refer to GCJ instead of just java.
4117 Refer to SVN instead of CVS.
4118 Describe diffutils as useful instead of necessary.
4119 (Downloading the source): Refer to SVN instead of CVS.
4120 Adjust a link to our web site accordingly.
4121 (Configuration): Fix casing of Bison.
4122 (Building): Refer to SVN instead of CVS.
4123 Fix a sentence on the use of Bison and remove duplicate (and
4124 incorrect) version number of Bison requirement.
4125 Remove one redundant list of packages needed for building.
4126 (Specific): Avoid reference to CVS.
4128 2006-04-04 Eric Christopher <echristo@apple.com>
4130 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4131 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4132 (rs6000_handle_struct_attribute): New.
4133 (rs6000_ms_bitfield_layout_p): Ditto.
4135 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4137 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4138 NULL for dso parameter to atexit_common.
4140 2006-04-04 Eric Christopher <echristo@apple.com>
4142 * config/i386/i386.c (machopic_output_stub): Output \t
4143 between instructions and operands.
4145 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4147 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4148 satisfies_constraint_[IL] to explicit tests on value.
4150 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4152 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4153 set_nb_iterations_in_loop): Use build_int_cst instead of
4155 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4156 build_int_cst instead of convert.
4158 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4160 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4161 new value 2 for incoming.
4162 * function.c (expand_function_start): Call struct_value_rtx
4164 * config/sparc/sparc.md: Comment updated_return.
4165 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4166 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4167 struct return if sparc_std_struct_return and incoming is 2.
4168 (print_operand): Do not adjust return if
4169 sparc_std_struct_return.
4171 2006-04-04 Roger Sayle <roger@eyesopen.com>
4173 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4174 convert in the middle-end.
4175 * expr.c (store_expr, store_constructor, get_inner_reference,
4176 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4178 * tree.c (build_range_type): Likewise.
4180 2006-04-04 Tom Tromey <tromey@redhat.com>
4182 * doc/install.texi (Prerequisites): Mention jar.
4184 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4186 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4189 2006-04-04 Matthias Klose <doko@debian.org>
4191 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4192 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4195 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4197 * doc/extend.texi (Function Attributes): Rewrite visibility
4198 attribute documentation.
4199 * doc/invoke.texi (C++ Dialect Options): Rewrite
4200 -fvisibility-inlines-hidden documentation to describe something
4201 entirely different, although in practise compatible.
4202 (Code Gen Options): Warn about system headers in -fvisibility=
4205 * doc/extend.texi (Other Builtins): Document that
4206 __builtin_nan is a compile-time constant only when its argument
4209 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4211 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4212 trying to remove TRUNCATE check if all bits outside the new mode
4213 are identical to the sign bit.
4215 2006-04-03 Jeff Law <law@redhat.com>
4217 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4218 and operand scanning in some common cases.
4220 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4221 Dale Johannesen <dalej@apple.com>
4224 * regclass.c (struct reg_pref): Update documentation.
4225 (regclass): Set prefclass to NO_REGS if memory is the best option.
4226 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4227 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4228 into account. For non-registers, equate an empty preferred
4229 reload class to a `!' in the constraint; move the if clause to
4230 do so after those that reject the insn.
4231 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4233 (find_dummy_reload): Likewise.
4234 * doc/tm.texi (Register Classes): Document what it means
4235 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4236 * config/i386/i386.c (ix86_preferred_reload_class): Force
4237 using SSE registers (and return NO_REGS for floating-point
4238 constants) if math is done with SSE.
4239 (ix86_preferred_output_reload_class): New.
4240 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4241 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4242 * config/i386/i386.md: Remove # register preferences.
4244 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4247 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4248 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4249 the type of nb_iter.
4250 (instantiate_parameters_1): Convert the operands before calling
4251 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4252 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4254 2006-04-02 Roger Sayle <roger@eyesopen.com>
4256 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4257 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4259 * dojump.c (do_jump): Likewise.
4260 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4261 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4262 gimplify_boolean_expr): Likewise.
4263 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4264 * varasm.c (array_size_for_constructor): Likewise.
4265 * tree-object-size.c (compute_object_offset): Likewise.
4267 2006-04-02 Roger Sayle <roger@eyesopen.com>
4270 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4271 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4273 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4275 PR tree-optimization/26939
4276 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4278 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4280 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4281 at_stmt. Convert the type of operands before calling
4282 build_polynomial_chrec.
4283 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4285 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4286 (instantiate_parameters_1): Convert the type of operands before calling
4287 build_polynomial_chrec.
4288 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4289 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4290 reset_evolution_in_loop): Insert asserts to check the types of the
4292 (chrec_type): Moved...
4293 (eq_evolutions_p): Use operand_equal_p.
4294 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4295 the types of the operands.
4296 (chrec_type): ...here.
4297 * tree-data-ref.c (create_data_ref): Convert the operands before
4298 calling chrec_replace_initial_condition.
4299 (same_access_functions, analyze_subscript_affine_affine,
4300 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4301 (compute_subscript_distance, analyze_ziv_subscript,
4302 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4303 analyze_miv_subscript): Convert the operands before calling
4304 chrec_fold_minus or chrec_fold_plus.
4306 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4308 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4309 the dependence_relations vector.
4310 (compute_data_dependences_for_loop): Adjust call to
4311 compute_all_dependences.
4313 2006-04-01 Roger Sayle <roger@eyesopen.com>
4314 Richard Henderson <rth@redhat.com>
4316 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4317 gimple_boolify on the condition before calling gimplify_expr.
4319 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4321 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4322 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4323 the frame size. Update to use the new macros.
4324 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4325 * config/xtensa/ieee754-df.S: Likewise.
4327 2006-03-31 Richard Henderson <rth@redhat.com>
4329 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4330 (make_edges): ... here. Control fallthru creation with a local
4331 variable. Do not play with fake edges.
4332 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4333 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4336 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4338 * dwarf2.h (DW64_CIE_ID): Define.
4339 * dwarf2out.c (DWARF_CIE_ID): Define.
4340 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4341 length header. Use DWARF_CIE_ID.
4342 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4343 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4345 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4347 * config/sh/linux-atomic.asm: New file.
4348 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4350 2006-03-31 DJ Delorie <dj@redhat.com>
4352 * config/m32c/cond.md: Set condition flags properly throughout.
4353 * config/m32c/minmax.md: Likewise.
4354 * config/m32c/prologue.md: Likewise.
4355 * config/m32c/bitops.md: Likewise.
4356 * config/m32c/muldiv.md: Likewise.
4357 * config/m32c/mov.md: Likewise.
4358 * config/m32c/addsub.md: Likewise.
4359 * config/m32c/m32c.md: Likewise.
4360 * config/m32c/jump.md: Likewise.
4361 * config/m32c/shift.md: Likewise.
4363 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4364 conditionally output the pattern for this.
4365 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4366 (m32c_compare_redundant): New.
4367 (m32c_output_compare): New.
4368 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4370 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4371 dest, not src. Allow other 4-byte modes.
4373 2006-03-30 Denis Chertykov <denisc@overta.ru>
4375 * doc/md.texi: Refer to avr/constraints.md instead of
4378 2006-03-30 Roger Sayle <roger@eyesopen.com>
4380 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4381 signed vs. unsigned comparison failures on some hosts.
4383 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4386 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4387 change to FLOAT_REGS.
4389 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4390 (rs6000_override_options): Use it.
4391 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4392 only for -mabi=spe/no-spe and -mabi=altivec.
4394 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4396 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4399 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4401 * Makefile.in: Rename docdir to gcc_docdir.
4403 2006-03-30 Roger Sayle <roger@eyesopen.com>
4406 * expr.c (emit_group_store): Optimize group stores into a pseudo
4407 register by using a paradoxical subreg to initialize the destination
4408 if the first or last member of the group specifies a "low part".
4410 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4413 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4414 * target.h (struct gcc_target.speculate_insn): Change type of the
4415 second parameter to 'int'.
4416 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4417 the second operand of the DEPS_LIST.
4418 (copy_DEPS_LIST_list): Update reference to the second operand of the
4420 * rtl.h (alloc_DEPS_LIST): Update signature.
4421 * sched-int.h (ds_t): Change typedef to 'int'.
4422 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4424 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4426 * haifa-sched.c (try_ready): Change condition to restore
4427 non-speculative pattern of the instruction.
4428 (process_insn_depend_be_in_spec): Code to keep probability of the
4429 speculative dependence non-decreasing.
4431 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4433 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4434 (single_move_for_movmem): ... this. Also change all uses.
4435 (bfin_expand_strmov): Renamed to...
4436 (bfin_expand_movmem): ... this. Also change all uses.
4437 * config/bfin/bfin.md (movstrsi): Renamed to...
4438 (movstrsi): ...this.
4440 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4442 PR tree-optimization/26830
4444 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4445 (copy_prop_visit_stmt): Remove write-only variable ann.
4446 (init_copy_prop): Check variable loop depth here. Do not simulate
4447 memory-tag and virtual operand PHIs except for store copy prop.
4449 2006-03-30 Richard Guenther <rguenther@suse.de>
4451 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4452 variants with double arguments.
4454 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4456 * genpreds.c (write_tm_constrs_h): Delete variable p.
4457 * genconditions.c (write_header): Add tm-constrs.h to included
4459 * genpeep.c (main): Add toplev.h to included headers.
4460 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4461 (build/genpeep.o): Add toplev.h dependency.
4462 * config/rs6000/constraints.md: Add "W" constraint.
4464 2006-03-29 Roger Sayle <roger@eyesopen.com>
4466 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4467 sizes by correctly testing whether the size fits a host integer.
4468 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4469 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4470 SImode range for the default sizetype and bitsizetype.
4472 2006-03-29 Roger Sayle <roger@eyesopen.com>
4474 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4475 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4476 quickly if the argument is already of the correct type.
4477 Call fold_build1 instead of build1. Tidy up blank lines.
4479 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4481 * genemit.c (main): Add tm-constrs.h to included headers.
4482 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4483 * genpeep.c (main): Add tm-constrs.h to included headers.
4484 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4485 (write_tm_constrs_h): this and write complete file.
4486 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4487 (write_insn_preds_c): Add tm-constrs.h to included headers.
4488 (gen_constrs): New variable.
4489 (parse_option): Parse "-c".
4490 (main): Invoke write_tm_constrs_h.
4491 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4492 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4493 (object_out_file): Add tm-constrs.h dependency.
4494 (insn-emit.o): Same.
4495 (insn-output.o): Same.
4496 (insn-peep.o): Same.
4497 (insn-preds.o): Same.
4498 (insn-recog.o): Same.
4499 (tm-constsr.h): New target.
4500 (s-constrs-h): New target.
4502 * config/rs6000/constraints.md: New file.
4503 * config/rs6000/rs6000.c: Include tm-constrs.h.
4504 (num_insn_constant_wide): Convert to satisfies_constraint.
4505 (rs6000_rtx_costs): Convert to satisfies_constraint.
4506 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4507 (CONST_OK_FOR_LETTER_P): Delete.
4508 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4509 (EXTRA_CONSTRAINT): Delete.
4510 (EXTRA_MEMORY_CONSTRAINT): Delete.
4511 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4512 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4513 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4514 satisfies_constraint.
4516 * config/i386/i386.c: Include tm-constrs.h.
4518 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4520 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4521 * tree-data-ref.c (find_data_references_in_loop,
4522 compute_data_dependences_for_loop): Use pointers to VEC.
4523 (analyze_all_data_dependences): Adjust calls.
4524 * tree-data-ref.h (find_data_references_in_loop,
4525 compute_data_dependences_for_loop): Adjust declarations.
4526 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4527 compute_data_dependences_for_loop.
4529 2006-03-29 Paul Brook <paul@codesourcery.com>
4531 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4534 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4536 PR tree-optimization/26859
4537 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4539 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4540 for the step after fold_convert.
4542 2006-03-29 Paul Brook <paul@codesourcery.com>
4544 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4545 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4547 2006-03-29 Paul Brook <paul@codesourcery.com>
4550 * targhooks.c (default_narrow_bitfield): New fuction.
4551 * targhooks.h (default_narrow_bitfield): add prototype.
4552 * target.h (gcc_target): Add narrow_volatile_bitfield.
4553 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4554 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4555 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4556 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4558 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4560 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4562 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4563 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4564 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4565 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4566 (s390_function_arg_float): Allow SDmode and DDmode values to be
4567 passed in floating point registers.
4568 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4569 check with SCALAR_FLOAT_MODE_P.
4570 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4572 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4574 PR tree-optimization/25985
4575 * tree-ssa-loop-niter.c (number_of_iterations_le,
4576 number_of_iterations_ne): Make comments more precise.
4577 (number_of_iterations_cond): Add only_exit argument. Use the
4578 fact that signed variables do not overflow only when only_exit
4580 (loop_only_exit_p): New.
4581 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4582 number_of_iterations_cond.
4584 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4586 PR tree-optimization/26643
4587 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4590 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4592 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4593 (divsi3_i4_int): Likewise.
4595 2006-03-28 Roger Sayle <roger@eyesopen.com>
4597 * expr.c (emit_group_store): Only create a new pseudo reg if the
4598 quantity it needs to hold isn't already a suitable pseudo.
4600 2006-03-28 Jeff Law <law@redhat.com>
4602 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4603 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4605 2006-03-28 Roger Sayle <roger@eyesopen.com>
4607 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4608 the equivalent ~X & Y, and the symmetry related transformations.
4609 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4610 ~X & Y, and symmetry related transforms.
4612 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4614 Revert my 2006-03-27 patches.
4616 2006-03-28 Roger Sayle <roger@eyesopen.com>
4618 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4619 ~(T1)X, when T1 and T2 are integer types of the same precision
4620 and (T2)X isn't an extension.
4622 2006-03-28 Jeff Law <law@redhat.com>
4624 PR tree-optimization/26796
4625 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4626 need EH edge cleanups rather than purging them immediately.
4627 (eliminate_degenerate_phis): Handle queued EH cleanups.
4629 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4631 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4634 2006-03-27 Roger Sayle <roger@eyesopen.com>
4637 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4638 cast BIT_NOT_EXPR operand to the correct type.
4640 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4642 * tree-loop-linear.c: Don't include varray.h.
4643 (gather_interchange_stats, try_interchange_loops,
4644 linear_transform_loops): Use VEC instead of VARRAY.
4645 * lambda-mat.c: Don't include varray.h.
4646 * tree-chrec.c: Same.
4647 * lambda-trans.c: Same.
4648 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4649 VEC instead of VARRAY.
4650 * tree-vectorizer.h: Idem.
4651 * tree-data-ref.c (dump_data_references,
4652 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4653 initialize_data_dependence_relation, finalize_ddr_dependent,
4654 compute_all_dependences, find_data_references_in_loop,
4655 compute_data_dependences_for_loop, analyze_all_data_dependences,
4656 free_dependence_relation, free_dependence_relations,
4657 free_data_refs): Idem.
4658 * tree-data-ref.h (data_reference_p, subscript_p): New.
4659 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4660 VEC instead of VARRAY.
4661 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4662 (find_data_references_in_loop, compute_data_dependences_for_loop,
4663 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4664 dump_data_dependence_relations, free_dependence_relations,
4665 free_data_refs): Adjust declaration.
4666 (lambda_transform_legal_p): Move declaration here...
4667 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4668 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4669 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4670 vect_analyze_data_refs): Use VEC instead of VARRAY.
4671 * lambda.h (lambda_transform_legal_p): ...from here.
4672 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4673 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4674 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4675 tree-chrec.o): Don't depend on VARRAY_H.
4677 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4679 * rtl.def (Copyright): Update date.
4680 (DEPS_LIST): Change type of the second operand to 'int'.
4681 * target.h (Copyright): Update date.
4682 (struct gcc_target.speculate_insn): Change type of the second parameter
4684 * lists.c (Copyright): Update date.
4685 (alloc_DEPS_LIST): Change signature. Update reference to the second
4686 operand of the DEPS_LIST.
4687 (copy_DEPS_LIST_list): Update reference to the second operand of the
4689 * rtl.h (Copyright): Update date.
4690 (alloc_DEPS_LIST): Update signature.
4691 * sched-int.h (Copyright): Update date.
4692 (ds_t): Change typedef to 'int'.
4693 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4695 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4697 * haifa-sched.c (Copyright): Update date.
4698 (try_ready): Change condition to restore non-speculative pattern
4700 (process_insn_depend_be_in_spec): Code to keep probability of the
4701 speculative dependence non-decreasing.
4703 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4705 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4706 shut up the compiler.
4708 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4710 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4711 to use lib prefix for target.
4712 ($(T)libic_invalidate_array_4-200.a): Likewise.
4713 ($(T)libic_invalidate_array_4a.a): Likewise.
4715 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4716 J"orn Rennecke <joern.rennecke@st.com>
4718 * superh.opt: New file.
4719 * sh.c (boardtype, osruntime): Remove.
4720 * superh.h (SUBTARGET_OPTIONS): Remove.
4721 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4723 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4724 arguments with ^ and/or [].
4726 * config.gcc (sh-*-*): Add quoting to account for quirk of
4728 Replace == with = in enable_incomplete_targets test.
4730 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4731 with MASK_LITTLE_ENDIAN.
4733 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4734 * config/sh/sh.opt: Added to some comments.
4735 * config/sh/superh.h: Removed some chaff.
4737 * config/sh/sh.opt: Add m4-[1234]00* options.
4738 * config/sh/sh.c (sh_handle_option): Likewise.
4739 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4740 (ic_invalidate_array_4-100.o): New rule.
4741 ($(T)libic_invalidate_array_4-100.a): Likewise.
4742 (ic_invalidate_array_4-200.o): Likewise.
4743 ($(T)libic_invalidate_array_4-200.a): Likewise.
4744 (ic_invalidate_array_4a.o): Likewise.
4745 ($(T)libic_invalidate_array_4a.a): Likewise.
4746 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4747 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4749 * config/sh/crt1.asm: Merged in profiling code.
4750 * config/sh/superh.h (STARTFILE_SPEC): Override.
4751 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4752 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4753 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4755 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4756 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4757 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4759 * sh.opt (mpretend-cmove): New option.
4760 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4761 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4762 (movsicc): Add TARGET_PRETEND_CMOVE code.
4764 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4766 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4767 s390_class_max_nregs): New function prototypes.
4768 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4769 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4770 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4771 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4773 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4775 * dwarf2out.c (add_location_or_const_value_attribute): Call
4776 tree_add_const_value_attribute if nothing else works.
4777 (reference_to_unused): New.
4778 (rtl_for_decl_init): Use reference_to_unused to decide whether
4779 to output an initializer.
4781 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4784 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4785 peephole removing spe frob_di_df_2.
4787 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4789 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4790 (subscript_dependence_tester_1): Declared.
4791 (print_dir_vectors, print_dist_vectors): New.
4792 (debug_data_dependence_relation): New.
4793 (dump_data_dependence_relation): Print more details.
4794 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4795 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4796 (save_dist_v, save_dir_v, add_outer_distances,
4797 build_classic_dist_vector_1): New.
4798 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4799 Don't test for lambda_vector_lexico_pos.
4800 (same_access_functions, add_multivariate_self_dist,
4801 add_other_self_distances, dir_from_dist): New.
4802 (build_classic_dir_vector): Replace implementation almost identical to
4803 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4805 (subscript_dependence_tester_1): New.
4806 (subscript_dependence_tester): Handle the lexicographically negative
4807 distance vectors by recomputing the dependence relation.
4808 (compute_affine_dependence): Remove parameter loop_nest_depth.
4809 (compute_self_dependence): Don't call compute_subscript_distance.
4810 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4811 Add a parameter for the loop_nest.
4812 (find_loop_nest_1, find_loop_nest): New.
4813 (compute_data_dependences_for_loop): Compute the loop nest, and give
4814 up if the nest is not well formed.
4815 * tree-data-ref.h (loop_p): New.
4816 (struct data_dependence_relation): Replace size_vect field with
4817 loop_nest, a vec of loops.
4818 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4819 (DDR_LOOP_NEST): New.
4820 (print_dir_vectors, print_dist_vectors,
4821 debug_data_dependence_relation): Declared.
4822 (index_in_loop_nest): New.
4823 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4824 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4827 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4829 * simplify-rtx.c (simplify_relational_operation): Call
4830 simplify_relational_operation_1 even if mode is VOIDmode.
4832 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4834 PR tree-optimization/26804
4835 * tree.h (DECL_CALL_CLOBBERED): New macro.
4836 (tree_decl_common): Add call_clobbered_flag.
4837 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4838 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4839 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4840 (mark_non_addressable): Ditto.
4841 * tree-ssa.c (verify_call_clobbered): New function.
4842 (verify_alias_info): Use it.
4843 * tree-pass.h (pass_reset_cc_flags): New prototype.
4844 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4845 (reset_cc_flags): New function.
4846 * passes.c (init_optimization_passes): Call reset_cc_flags after
4847 initializing referenced_vars.
4849 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4850 Roger Sayle <roger@eyesopen.com>
4853 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4854 to 1.0 for non-real operands. Implement A / A optimization for
4857 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4859 * config/i386/i386.c (size_cost): Correct the comment for
4860 cost of storing fp registers.
4861 (i386_cost): Likewise.
4862 (i486_cost): Likewise.
4863 (pentium_cost): Likewise.
4864 (pentiumpro_cost): Likewise.
4865 (k6_cost): Likewise.
4866 (athlon_cost): Likewise.
4867 (k8_cost): Likewise.
4868 (pentium4_cost): Likewise.
4869 (nocona_cost): Likewise.
4870 (generic64_cost): Likewise.
4871 (generic32_cost): Likewise.
4873 2006-03-24 Denis Chertykov <denisc@overta.ru>
4875 * config/avr/avr-protos.h (extra_constraint): Delete.
4876 (extra_constraint_Q): New declaration.
4877 * config/avr/constraints.md: New file.
4878 * config/avr/avr.md: Include it.
4879 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4880 (TMP_REGNO, ZERO_REGNO): Likewise.
4881 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4882 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4883 (extra_constraint): Delete.
4884 (extra_constraint_Q): Test for memory constraint 'Q'.
4885 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4886 (REG_CLASS_FROM_LETTER): Delete.
4887 (CONST_OK_FOR_LETTER_P): Delete.
4888 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4889 (EXTRA_CONSTRAINT): Delete.
4890 (TMP_REGNO): Delete.
4891 (ZERO_REGNO): Delete.
4893 2006-03-24 Jeff Law <law@redhat.com>
4895 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4896 directly. Call mark_new_vars_to_rename slightly earlier.
4898 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4900 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4902 (gen_compile_unit_die): Use new language types for Objective-C and
4904 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4905 DW_LANG_C_plus_plus.
4908 * config/t-darwin (crt3.o): Work around bug 26840.
4909 * config/darwin-crt3.c: Rewrite.
4910 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4912 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4914 * doc/invoke.texi: Document -femit-class-debug-always
4915 * common.opt: Add -femit-class-debug-always.
4917 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4919 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4920 index and base register.
4921 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4922 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4923 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4924 REGNO_OK_FOR_INDEX_P.
4925 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4927 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4928 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4929 REG_OK_FOR_BASE_P): Definitions removed.
4931 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4934 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4935 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4936 set yet or weren't marked as local yet.
4938 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4940 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4943 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4945 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4946 (rs6000_legitimate_small_data_p): Delete.
4947 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4948 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4949 and make static. Add forward declaration. Update uses.
4950 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4951 of offsettable_memref_p.
4952 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4953 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4955 2006-03-24 Jeff Law <law@redhat.com>
4957 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4958 around bug in immediate-use iterator.
4960 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4963 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4964 or __LITTLE_ENDIAN__.
4966 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4968 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4969 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4970 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4971 * config/sh/sh.opt (mdiv=): Amend description.
4972 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4973 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4974 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4975 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4976 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4977 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4978 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4979 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4980 TARGET_DIVIDE_CALL_FP.
4982 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4984 * haifa-sched.c (choose_ready): Fix type of the local variable.
4985 Move local variables. Add comment.
4986 (check_reg_live): Change signature. Make callable from debugger.
4987 * sched-int.h (check_reg_live): Update signature.
4988 * sched-ebb.c (check_reg_live): Update parameters.
4989 * sched-rgn.c (check_reg_live): Ditto.
4990 (region_head_or_leaf_p): Check pointer before dereferencing.
4991 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4992 before reload on optimization levels below 1.
4994 2006-03-23 Richard Henderson <rth@redhat.com>
4996 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5000 * config/alpha/predicates.md (local_symbolic_operand): Reject
5003 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5006 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5007 expressions which have overflowed constants.
5009 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5011 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5013 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5015 * cfgloopmanip.c (create_loop_notes): Removed.
5016 * final.c (final_scan_insn): Do not handle loop notes.
5017 * jump.c (squeeze_notes): Ditto.
5018 * cfglayout.c (skip_insns_after_block,
5019 duplicate_insn_chain): Ditto.
5020 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5022 * cfgloop.h (create_loop_notes): Declaration removed.
5024 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5026 * varasm.c (output_constant_pool): Restore fnname and fndecl
5028 (assemble_start_function): Adjust call accordingly.
5029 (assemble_end_function): Likewise.
5031 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5034 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5037 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5039 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5042 * system.h (ICE_EXIT_CODE): New macro.
5043 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5044 (diagnostic_action_after_output): Likewise.
5045 * gcc.c (fatal_ice): New function.
5046 (execute): Use it instead of fatal.
5047 (fancy_abort): Likewise.
5048 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5050 2006-03-22 Jeff Law <law@redhat.com>
5052 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5053 iv_analyze_result returning false.
5055 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5057 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5059 2006-03-22 Richard Henderson <rth@redhat.com>
5062 * except.c (duplicate_eh_regions_0): New.
5063 (duplicate_eh_region_1): Duplicate the children of the node as
5064 well as the node itself. Link them up properly.
5065 (duplicate_eh_region_2): Merge into ...
5066 (duplicate_eh_regions): ... here. Take copy_region argument, and
5067 copy only a sub-tree if asked. Simplify copying and fixup.
5068 (eh_region_outer_p): New.
5069 * except.h (duplicate_eh_regions): Update decl.
5070 (eh_region_outer_p): Declare.
5071 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5072 (lower_omp_master): Likewise.
5073 (lower_omp_ordered): Likewise.
5074 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5075 (move_stmt_r): Use it to remap labels. Handle recursion vs
5076 remap_decls_p properly.
5077 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5078 (find_outermost_region_in_block): New.
5079 (new_label_mapper): New.
5080 (move_sese_region_to_fn): Copy eh information to the new function
5082 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5084 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5087 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5089 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5090 into shared libraries.
5092 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5094 * doc/md.texi: Refer to i386/constraints.md instead of
5096 * config/i386/constraints.md: New file, extracted from...
5097 * config/i386/predicates.md: ...here.
5098 * config/i386/i386.md: Include constraints.md.
5100 2006-03-21 Jason Merrill <jason@redhat.com>
5102 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5105 * expr.c (init_block_move_fn): Force default visibility.
5106 (init_block_clear_fn): Likewise.
5107 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5108 * targhooks.c (default_external_stack_protect_fail): Likewise.
5110 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5112 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5113 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5114 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5115 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5116 (loadgp): Use mips_current_loadgp_style.
5117 (loadgp_noshared): New pattern.
5118 (sibcall_internal): Use MIPS_CALL.
5119 (sibcall_value_internal): Likewise.
5120 (sibcall_value_multiple_internal): Likewise.
5121 (call_internal): Likewise.
5122 (call_value_internal): Likewise.
5123 (call_value_multiple_internal): Likewise.
5124 (call_split): Use MIPS_CALL and add an 'S' constraint.
5125 (call_value_split): Likewise.
5126 (call_value_multiple_split): Likewise.
5127 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5128 (-mshared): New option.
5129 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5130 (mips_current_loadgp_style): Declare.
5131 * config/mips/mips.c (mips_classify_symbol): Avoid using
5132 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5133 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5134 TARGET_ABSOLUTE_ABICALLS.
5135 (override_options): Adjust comments. Improve the warning that is
5136 issued when -mabicalls and -G are used together.
5137 (mips_file_start): Remove comment.
5138 (mips_current_loadgp_style): New function.
5139 (mips_gnu_local_gp): New variable.
5140 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5142 (mips_output_function_prologue): Use mips_current_laodgp_style.
5143 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5144 the cprestore instruction.
5145 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5146 live for TARGET_ABSOLUTE_ABICALLS.
5147 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5148 (ASM_SPEC): Pass down -mshared and -mno-shared.
5149 (MIPS_CALL): New macro.
5150 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5152 * doc/invoke.texi (-mabicalls): Update documentation.
5153 (-mshared): Document.
5155 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5157 * config/ia64/unwind-hpux.c: New file.
5158 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5160 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5163 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5165 2006-03-21 Jeff Law <law@redhat.com>
5167 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5168 type conversions of a VR_VARYING source to a wider type.
5170 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5172 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5173 tm_file on Solaris 10 and later.
5174 (sparc64-*-solaris2*): Likewise.
5175 (sparc-*-solaris2*): Likewise.
5176 * config/sol26.h: Rename to config/sol2-6.h.
5177 * config/sol2-10.h: New file.
5179 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5182 * tree-ssa-pre.c (create_component_ref_by_pieces):
5185 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5188 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5189 return it immediately.
5191 2006-03-21 Michael Matz <matz@suse.de>
5193 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5195 (remove_arc, add_arc): Update num_out_arcs member.
5196 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5198 (cache_presence): New function.
5199 (compare_states_for_equiv): New function.
5200 (state_is_differed): Don't take number of outargs, adjust callers.
5201 Use new invariant for speeding up.
5202 (init_equiv_class): Create initial classes based on sorted
5204 (partition_equiv_class): Don't track out_arcs_num.
5205 (evaluate_equiv_classes): Call cache_presence on all states and
5208 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5210 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5211 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5212 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5213 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5215 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5216 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5217 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5218 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5219 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5221 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5222 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5223 (REGNO_REG_CLASS): ARGP is in PREGS.
5224 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5226 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5227 to deal with those addresses.
5228 * addresses.h: New file.
5229 * caller-save.c: Include "addresses.h".
5230 (init_caller_save): Use new base_reg_class function.
5231 * rtl-factoring.c: Include "addresses.h".
5232 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5233 * recog.c: Include "addresses.h".
5234 (preprocess_constraints): Use new base_reg_class function.
5235 * regrename.c: Include "addresses.h".
5236 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5237 functions. Keep track of a new var INDEX_CODE to compute valid
5239 (replace_oldest_value_addr): Likewise.
5240 (replace_oldest_value_mem): Use base_reg_class.
5241 * reload.c: Include "addresses.h".
5242 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5243 (find_reloads): Use new base_reg_class function.
5244 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5245 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5246 all callers and prototype changed.
5247 * reload1.c: Include "addresses.h".
5248 (maybe_fix_stack_asms): Use base_reg_class.
5249 * regclass.c: Include "addresses.h".
5250 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5251 (init_reg_autoinc): Use new base_reg_class function.
5252 (record_reg_classes): Likewise.
5253 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5254 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5255 Use new args to compute necessary class.
5257 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5258 regrename.o, rtl-factoring.o): Update dependencies.
5259 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5260 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5261 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5262 REG_OK_FOR_INDEX_P): Delete documentation.
5264 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5266 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5267 from V7 to V9 for Solaris 7 and above.
5269 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5271 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5272 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5273 argument pointers may not alias any other storage.
5274 * common.opt: Define option -fargument-noalias-anything.
5275 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5276 alias semantics is specified by flag_argument_noalias > 2.
5278 2006-03-20 Jeff Law <law@redhat.com>
5280 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5281 (pass_phi_only_cprop): Declare.
5282 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5284 * tree-ssa-dom.c (degenerate_phi_result): New function.
5285 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5286 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5287 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5288 (eliminate_degenerate_phis): Likewise.
5289 (pass_phi_only_cprop): New pass descriptor.
5290 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5291 support code. Callers updated.
5292 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5293 (store_copy_prop): Likewise.
5294 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5296 2006-03-20 Jason Merrill <jason@redhat.com>
5299 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5300 (push_visibility, pop_visibility): Likewise.
5301 * c-pragma.h: Declare them.
5303 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5305 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5307 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5308 parameter and use get_ebb_head_tail.
5309 (sh_md_init_global): Adjust uses of find_regmode_weight.
5311 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5313 * function.h (struct function) <x_tail_recursion_reentry>:
5314 Rename to x_stack_check_probe_note.
5315 (tail_recursion_reentry): Rename to stack_check_probe_note.
5316 * function.c: Replace tail_recursion_reentry with
5317 stack_check_probe_note everywhere.
5318 (expand_function_start): Only emit a note for
5319 stack_check_probe_note with -fstack-protect.
5320 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5322 * emit-rtl.c (remove_unnecessary_notes): Remove.
5323 (pass_remove_unnecessary_notes): Remove.
5324 * rtl.h (remove_unnecessary_notes): Remove prototype.
5325 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5326 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5327 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5329 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5332 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5333 (valid_in_set): Handle ARRAY_REF.
5334 Change "if min_variant or VH" to asserts.
5335 (create_component_ref_by_pieces): Handle ARRAY_REF.
5336 (create_expression_by_pieces): Likewise.
5337 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5339 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5341 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5342 is operand of switch, not str[0].
5344 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5346 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5347 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5349 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5351 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5352 end of insn_extra_address_constraint declaration.
5354 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5356 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5357 (no-sum-in-toc): Same.
5358 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5360 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5361 NO_FP_IN_TOC for -fPIC instead of mask.
5363 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5364 (BOOT_LDFLAGS): Delete.
5366 * config/rs6000/t-aix52: Same.
5368 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5369 (stmsi[345678]_power): New.
5371 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5373 * config/ia64/ia64.opt: Add empty line to end of file.
5375 2006-03-17 Richard Guenther <rguenther@suse.de>
5378 * builtins.c (get_pointer_alignment): For component style references
5379 adjust alignment to the component type alignment. Make sure
5380 to adjust alignment for component access of constants.
5382 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5384 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5387 2006-03-17 Paul Brook <paul@codesourcery.com>
5389 * doc/install.texi: Docuemnt --with-mode.
5390 * config.gcc: Add --with-mode for arm*-*-*.
5391 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5393 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5395 * sh.c (max_labelno_before_reorg): New variable.
5396 (sh_reorg): Initialize it.
5397 (find_barrier): Check max_labelno_before_reorg before using
5398 label_to_alignment. Take length of explicit alignment insns
5399 into account. When seeing a UNSPECV_CONST_END, return it.
5401 * sh.c (fixup_mova): Set mode of affected label to QImode.
5402 (untangle_mova): New function.
5403 (find_barrier): Use it. Check mode of label before decrementing
5405 (sh_reorg): Likewise.
5406 Set mode of all insns back to VOIDmode.
5408 * sh.c (MOVA_LABELREF): New macro.
5409 (mova_p, fixup_mova, sh_reorg): Use it.
5410 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5411 ADDR_DIFF_VEC matches mova.
5413 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5415 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5416 with ATTRIBUTE_UNUSED.
5418 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5420 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5421 pointer, instead of assuming it is possible to derive the
5422 correct args size from a call insn.
5424 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5426 * rtl.h (CONST_INT_P): Define.
5427 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5428 instead of GET_CODE(x) == CONST_INT.
5429 (vax_rtx_costs): Likewise.
5430 (vax_output_int_move): Likewise.
5431 (vax_output_int_add): Likewise.
5432 (legitimate_constant_address_p): Likewise.
5433 (index_term_p): Likewise.
5434 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5435 * config/vax/vax.md (and<mode>3): Likewise.
5436 (ashrsi3): Likewise.
5438 (movstricthi): Likewise.
5439 (movstrictqi): Likewise.
5440 (rotrsi3): Likewise.
5441 (five unnamed insns): Likewise.
5443 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5445 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5446 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5447 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5448 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5449 Pass to ASM_OUTPUT_DWARF_OFFSET.
5450 * dwarf2out.c (debug_frame_section): New.
5451 (output_call_frame_info): Use debug_frame_section. Pass it to
5452 dw2_asm_output_offset.
5453 (output_die): Pass appropriate section to dw2_asm_output_offset.
5454 (output_compilation_unit_header): Likewise.
5455 (output_pubnames): Likewise.
5456 (output_aranges): Likewise.
5457 (enum dw_val_class): Break dw_val_class_lbl_offset into
5458 dw_val_class_lineptr and dw_val_class_macptr.
5459 (add_AT_lbl_offset): Delete.
5460 (add_AT_lineptr): New.
5461 (add_AT_macptr): New.
5462 (AT_lbl): Expect a lineptr or macptr.
5463 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5464 (attr_checksum): Likewise.
5465 (same_dw_val_p): Likewise.
5466 (size_of_die): Likewise.
5467 (value_format): Likewise.
5468 (output_die): Likewise.
5469 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5471 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5472 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5473 * config/darwin-protos.h (darwin_file_start): New.
5474 (darwin_asm_output_dwarf_offset): New.
5475 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5476 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5478 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5479 if not EH section; simplify.
5480 (darwin_file_start): New.
5481 (darwin_asm_output_dwarf_offset): New.
5482 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5484 (DEBUG_INFO_SECTION): Likewise.
5485 (DEBUG_ABBREV_SECTION): Likewise.
5486 (DEBUG_ARANGES_SECTION): Likewise.
5487 (DEBUG_MACINFO_SECTION): Likewise.
5488 (DEBUG_LINE_SECTION): Likewise.
5489 (DEBUG_LOC_SECTION): Likewise.
5490 (DEBUG_PUBNAMES_SECTION): Likewise.
5491 (DEBUG_STR_SECTION): Likewise.
5492 (DEBUG_RANGES_SECTION): Likewise.
5493 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5494 (ASM_OUTPUT_DWARF_OFFSET): New.
5496 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5498 * config.gcc (tm_defines): Always add to previous value rather
5501 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5503 * config/mips/predicates.md (splittable_const_int_operand): New,
5504 split from move_operand.
5505 (splittable_symbolic_operand): New.
5506 (move_operand): Add commentary. Use splittable_const_int_operand.
5507 Inline mips_atomic_symbolic_constant_p.
5508 * config/mips/mips.md: Add combine splitters for handling moves
5509 of splittable_const_int_operands and splittable_symbolic_operands.
5510 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5511 (mips_split_symbol): Declare.
5512 (mips_move_integer): Declare.
5513 * config/mips/mips.c (mips_split_p): Make global.
5514 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5515 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5516 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5517 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5518 (mips_offset_within_object_p): Handle block symbols.
5519 (mips_atomic_symbolic_constant_p): Delete.
5520 (mips_cannot_force_const_mem): Return false for constants that
5521 mips_legitimize_move can handle.
5522 (mips_use_blocks_for_constant_p): New function.
5523 (mips_split_symbol): Make global.
5524 (mips_move_integer): Likewise. Add a temporary register argument.
5525 (mips_legitimize_const_move): Use splittable_const_int_operand and
5526 splittable_symbolic_operand.
5527 (mips_use_anchors_for_symbol_p): New function.
5528 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5529 (mips_split_p): Declare.
5531 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5533 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5534 (mips*-*-linux*): Likewise.
5536 2006-03-16 Roger Sayle <roger@eyesopen.com>
5537 Daniel Speyer <dspeyer@wam.umd.edu>
5540 * tree-dump.c (dump_real): New function.
5541 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5542 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5543 (tree-dump.o): Add $(REAL_H) to the dependencies.
5545 2006-03-16 Roger Sayle <roger@eyesopen.com>
5548 * real.c (real_from_string): If the mantissa is zero, don't bother
5549 parsing the exponent as the result should always be zero.
5551 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5553 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5555 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5557 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5558 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5559 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5560 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5561 ia64_sched_finish_global): New static functions to implement
5562 hooks from gcc_target.sched.
5563 (spec_check_no, max_uid, pending_data_specs): New static variables.
5564 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5565 ia64_spec_check_src_p): New static functions.
5566 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5567 (TARGET_SCHED_ADJUST_COST): Removed.
5568 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5569 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5570 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5571 TARGET_SCHED_GEN_CHECK,
5572 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5573 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5574 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5575 Fixed to handle speculation checks.
5576 (rtx_needs_barrier): Fixed to handle speculative loads and
5578 (ia64_variable_issue): Added code to count speculative loads and their
5580 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5582 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5584 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5586 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5587 (ia64_reorg): Reset stops_p to NULL after it is freed.
5588 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5589 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5590 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5592 (data_speculative, control_speculative, check_load): New attributes.
5593 (mov<mode>_advanced, mov<mode>_speculative,
5594 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5595 zero_extend<mode>di2_speculative,
5596 zero_extend<mode>di2_speculative_advanced): New patterns for
5597 data and control speculative loads.
5598 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5600 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5601 New pattern for data and control speculation checks.
5602 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5603 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5604 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5605 Auxiliary definitions for the patterns.
5606 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5607 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5609 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5611 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5612 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5613 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5614 New resource constraints.
5615 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5617 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5618 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5619 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5620 msched-in-control-spec, msched-ldc, msched-control-ldc,
5621 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5622 msched-prefer-non-control-spec-insns,
5623 msched-count-spec-in-critical-path): New flags to tune speculative
5625 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5626 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5627 msched-in-control-spec, msched-ldc, msched-control-ldc,
5628 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5629 msched-prefer-non-control-spec-insns,
5630 msched-count-spec-in-critical-path): Document new flags.
5632 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5634 * target.h (struct spec_info_def): New opaque declaration.
5635 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5636 speculate_insn, needs_block_p, gen_check,
5637 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5638 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5639 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5640 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5641 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5642 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5644 (TARGET_SCHED): Use new macros.
5645 * rtl.h (copy_DEPS_LIST_list): New prototype.
5646 * sched-int.h (struct sched_info): Change signature of new_ready field,
5647 adjust all initializations. New fields: add_remove_insn,
5648 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5649 region_head_or_leaf_p.
5650 (struct spec_info_def): New structure declaration.
5651 (spec_info_t): New typedef.
5652 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5653 recovery_block, orig_pat.
5654 (glat_start, glat_end): New variables declaraions.
5655 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5657 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5658 DETACH_LIFE_INFO, USE_GLAT.
5659 (enum SPEC_SCHED_FLAGS): New enumeration.
5660 (NOTE_NOTE_BB_P): New macro.
5661 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5662 attach_life_info, debug_spec_status, check_reg_live): New functions.
5663 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5664 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5666 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5667 * ddg.c (get_block_head_tail): Adjust all uses.
5668 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5669 (sms_sched_info): Initialize new fields.
5670 (contributes_to_priority): Removed.
5671 * haifa-sched.c (params.h): New include.
5672 (get_block_head_tail): Adjust all uses.
5673 (ISSUE_POINTS): New macro.
5674 (glat_start, glat_end): New global variables.
5675 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5676 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5677 old_last_basic_block, before_recovery, current_sched_info_var,
5678 rgn_n_insns, luid): New static variables.
5679 (insn_cost1): New function. Move logic from insn_cost to here.
5680 (find_insn_reg_weight1): New function. Move logic from
5681 find_insn_reg_weight to here.
5682 (reemit_notes, move_insn, max_issue): Change signature.
5683 (move_insn1): Removed.
5684 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5685 extend_bb): New static functions to support extension of scheduler's
5687 (generate_recovery_code, process_insn_depend_be_in_spec,
5688 begin_speculative_block, add_to_speculative_block,
5689 init_before_recovery, create_recovery_block, create_check_block_twin,
5690 fix_recovery_deps): New static functions to support
5691 generation of recovery code.
5692 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5693 restore_bb_notes, move_block_after_check, move_succs): New static
5694 functions to support ebb scheduling.
5695 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5696 functions to support handling of register live information.
5697 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5698 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5699 add_jump_dependencies): New static functions.
5700 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5701 consistancy checking.
5702 (debug_spec_status): New function to call from debugger.
5703 (priority): Added code to handle speculation checks.
5704 (rank_for_schedule): Added code to distinguish speculative instructions.
5705 (schedule_insn): Added code to handle speculation checks.
5706 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5707 Fixed to handle ebbs.
5708 (move_insn): Added code to handle ebb scheduling.
5709 (max_issue): Added code to use ISSUE_POINTS of instructions.
5710 (choose_ready): Added code to choose between speculative and
5711 non-speculative instructions.
5712 (schedule_block): Added code to handle ebb scheduling and scheduling of
5713 speculative instructions.
5714 (sched_init): Initialize new variables.
5715 (sched_finish): Free new variables. Print statistics.
5716 (try_ready): Added code to handle speculative instructions.
5717 * lists.c (copy_DEPS_LIST_list): New function.
5718 * sched-deps.c (extend_dependency_caches): New function. Move logic
5719 from create_dependency_caches to here.
5720 (get_dep_weak, ds_merge): Make global.
5721 * genattr.c (main): Code to output prototype for
5722 dfa_clear_single_insn_cache.
5723 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5724 (output_dfa_clean_insn_cache_func): Code to output
5725 dfa_clear_single_insn_cache function.
5726 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5728 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5730 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5731 New static variables.
5732 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5733 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5735 (ebb_sched_info): Initialize new fields.
5736 (get_block_head_tail): Adjust all uses.
5737 (compute_jump_reg_dependencies): Fixed to use glat_start.
5738 (schedule_ebb): Code to remove unreachable last block.
5739 (schedule_ebbs): Added code to update register live information.
5740 * sched-rgn.c (region_sched_info): Initialize new fields.
5741 (get_block_head_tail): Adjust all uses.
5742 (last_was_jump): Removed. Adjust users.
5743 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5744 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5745 Implement new hooks.
5746 (check_dead_notes1): New static function.
5747 (struct region): New fields: dont_calc_deps, has_real_ebb.
5748 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5749 (BB_TO_BLOCK): Fixed to handle EBBs.
5750 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5751 (ebb_head): New static variable.
5752 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5753 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5755 (compute_dom_prob_ps): New assertion.
5756 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5757 global_live_at_start.
5758 (init_ready_list): New assertions.
5759 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5760 (new_ready): Add support for BEGIN_CONTROL speculation.
5761 (schedule_insns): Fixed code that updates register live information
5763 (schedule_region): Fixed to handle EBBs.
5764 (init_regions): Use extend_regions and check_dead_notes1.
5765 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5766 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5767 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5768 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5769 TARGET_SCHED_GEN_CHECK,
5770 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5771 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5772 * doc/invoke.texi (max-sched-insn-conflict-delay,
5773 sched-spec-prob-cutoff): Document.
5775 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5777 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5778 inter_tick, queue_index.
5779 (struct sched_info): Change signature of init_ready_list field.
5780 Adjust all initializations.
5781 (RESOLVED_DEPS): New access macro.
5782 (ready_add): Remove prototype.
5783 (try_ready): Add prototype.
5784 * sched-rgn.c (init_ready_list): Use try_ready.
5785 (schedule_region): Initialize
5786 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5787 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5788 (init_ready_list): Use try_ready.
5789 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5790 * lists.c (remove_list_elem): Remove `static'.
5791 (remove_free_INSN_LIST_elem): New function.
5792 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5793 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5794 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5796 (readyp): New variable.
5797 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5798 change_queue_index, resolve_dep): New static functions.
5799 (try_ready): New function. Adjust callers in sched-rgn.c and
5800 sched-ebb.c to use it instead of ready_add.
5801 (clock_var): Move at the begining of file.
5802 (rank_for_schedule): Fix typo.
5803 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5804 (ready_lastpos): Enforce assertion.
5805 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5807 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5808 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5809 (queue_to_ready): Use free_INSN_LIST_list.
5810 (early_queue_to_ready): Fix typo.
5811 (schedule_block): Init readyp. Move init_ready_list call after the
5812 initialization of clock_var. Fix error in rejecting insn by
5813 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5814 that previously corrected INSN_TICKs. Add code for handling
5816 (set_priorities): Fix typo.
5817 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5818 Clarify comment and code that keeps current_sched_info->next_tail
5821 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5823 * sched-rgn.c (extend_rgns): New static function.
5824 (find_rgns): Use it.
5825 (gather_region_statistics, print_region_statistics): New static
5827 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5828 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5830 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5831 Andrey Belevantsev <abel@ispras.ru>
5833 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5834 * lists.c (unused_deps_list): New variable.
5835 (free_list): Add assertions to verify the proper distinguishing
5836 between INSN_LISTs and DEPS_LISTs.
5837 (find_list_elem, remove_list_elem, remove_list_node): New static
5839 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5840 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5841 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5842 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5844 (free_INSN_LIST_node): Likewise.
5845 * modulo-sched.c (current_sched_info): Initialize flags field.
5846 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5847 * rtl.def (DEPS_LIST): Define.
5848 * rtl.h: Declare new functions from lists.c.
5849 * sched-deps.c (spec_dependency_cache): New static variable.
5850 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5851 (add_dependence): Change return type to void. Move the logic to ...
5852 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5853 (delete_all_dependences): Add comment about forward_dependency_cache.
5854 Handle spec_dependency_cache. Handle DEPS_LISTs.
5855 (fixup_sched_groups): Clarify the change of priority of output
5856 and anti dependencies.
5857 (sched_analyze_2): Adjust add_dependence calls to create data
5858 speculative dependence.
5859 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5860 Adjust all callers. Handle DEPS_LISTS.
5861 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5862 presence of speculation.
5863 (init_dependency_caches, free_dependency_caches):
5864 Handle spec_dependency_cache.
5865 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5866 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5867 New static functions.
5868 (add_or_update_back_dep, add_or_update_back_forw_dep,
5869 add_back_forw_dep, delete_back_forw_dep): New functions.
5870 * sched-int.h (ds_t, dw_t): New typedefs.
5871 (struct sched_info): Add new field flags.
5872 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5873 Prototype new sched-deps.c functions.
5874 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5875 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5876 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5877 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5878 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5879 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5881 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5883 * sched-rgn.c (current_sched_info): Initialize flags field.
5884 (schedule_insns): Initialize current_sched_info before the sched_init
5886 * sched-ebb.c (current_sched_info): Initialize flags field.
5887 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5888 Call add_or_update_back_dep instead of add_dependence.
5889 Create control speculative dependencies.
5890 (schedule_insns): Initialize current_sched_info before the sched_init
5893 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5895 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5897 (sh_fallback_frame_state): Likewise.
5899 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5901 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5902 Do switch on default_use_cxa_atexit.
5903 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5904 * config/darwin-crt3.o: New.
5905 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5906 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5907 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5909 * config/rs6000/t-darwin: Move crt2.o building to here.
5910 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5911 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5914 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5916 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5917 from '! xxx' to '!xxx' for coding-style conformance.
5918 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5919 (EXTRA_CONSTRAINT): Likewise.
5920 * config/vax/vax.md (four unnamed insns): Likewise.
5922 2006-03-15 Paul Brook <paul@codesourcery.com>
5924 * config/arm/arm.c (minipool_pad): New.
5925 (add_minipool_forward_ref): Include pool alignment padding in address
5927 (push_minipool_fix): Set minipool_pad.
5928 (minipool_pad): Ditto.
5930 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5932 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5933 instead of GET_CODE() == MEM and REG_P() instead of
5935 (print_operand_address): Likewise.
5936 (vax_address_cost): Likewise.
5937 (vax_rtx_costs): Likewise.
5938 (vax_notice_update_cc): Likewise.
5939 (vax_output_int_add): Likewise.
5940 (INDEX_REGISTER_P): Likewise.
5941 (BASE_REGISTER_P): Likewise.
5942 (nonindexed_address_p): Likewise.
5943 (vax_mode_dependent_address_p): Likewise.
5944 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5945 (PRINT_OPERAND): Likewise.
5946 * config/vax/vax.md (ashlsi3): Likewise.
5947 (ashlsi3): Likewise.
5948 (some more unnamed insns): Likewise.
5950 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5952 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5953 iterator-style macro.
5954 (mark_control_dependent_edges_necessary): Update the use of
5955 EXECUTE_IF_CONTROL_DEPENDENT.
5957 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5959 * config/sh/predicates.md (cache_address_operand): Special.
5960 (ua_address_operand): Likewise.
5962 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5964 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5966 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5968 2006-03-15 Andreas Schwab <schwab@suse.de>
5970 * gensupport.c (identify_predicable_attribute): Don't free p_false
5971 when it is still in use.
5973 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5975 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5976 the default setting here.
5978 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5980 * tree-pass.h (pass_cfg): Remove.
5981 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5982 * passes.c (pass_cfg): Don't run it.
5984 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5986 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5987 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5989 (stack_regs_mentioned): Update the uses of
5990 stack_regs_mentioned_data. Don't access the array beyond its
5992 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5993 Don't include gt-reg-stack.h.
5995 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5996 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5998 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6001 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6004 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6006 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6008 2006-03-14 Richard Guenther <rguenther@suse.de>
6010 PR tree-optimization/26672
6011 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6014 2006-03-14 Richard Guenther <rguenther@suse.de>
6016 PR tree-optimization/26667
6017 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6018 node for the callees. Always allow inlining if it will shrink
6021 2006-03-14 Richard Guenther <rguenther@suse.de>
6024 * builtins.c (get_pointer_alignment): Prefer alignment
6025 information from decls over that from types.
6027 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6030 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6032 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6034 * config/rs6000/rs6000.opt (mdlmzb): New option.
6035 (msched-prolog, msched-epilog): Use Var not Mask.
6036 * doc/invoke.texi (-mdlmzb): Document.
6037 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6039 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6040 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6042 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6044 PR rtl-optimization/25739
6045 * bt-load.c (augment_live_range): Free tos pointer.
6047 * gensupport.c (identify_predicable_attribute): Free
6049 * gcov.c (create_file_names): Free name pointer.
6051 2006-03-13 Roger Sayle <roger@eyesopen.com>
6054 * stmt.c (emit_case_nodes): Handle the case where the index is a
6055 CONST_INT, where the comparison mode is specified by the index type.
6057 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6059 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6062 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6064 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6065 (*branch_fp_inverted): Likewise.
6067 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6070 * omp-low.c (expand_omp_for_generic): Mark istart0
6071 and iend0 as addressable.
6073 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6075 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6077 2006-03-13 Jeff Law <law@redhat.com>
6079 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6080 virtual operands are interesting.
6081 (vrp_visit_stmt): Corresponding changes.
6083 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6085 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6087 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6088 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6089 * config/bfin/crti.S: Use it instead of __PIC__.
6090 * config/bfin/crtn.S: Likewise.
6092 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6093 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6095 Lose 'G' modifier for call operand.
6096 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6097 recognize 'G' modifier.
6099 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6102 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6103 * stmt.c (expand_case): Likewise.
6105 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6107 PR rtl-optimization/26254
6108 * loop-invariant.c (seq_insns_valid_p): New function.
6109 (move_invariant_reg): Only emit new code if it is valid.
6111 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6113 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6115 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6116 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6117 (commit_one_edge_insertion): Do not look for loop notes.
6119 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6121 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6122 flag_test_coverage out of loop.
6124 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6126 * final.c (shorten_branches): Remove outdated comment, and turn
6127 the if branch that guards it to continue.
6129 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6131 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6132 * cfgloop.h (struct loop): Remove unused fields.
6134 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6136 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6137 (-dL, -fdump-rtl-loop2): Update the dump file names
6139 * doc/invoke.texi: Update dump file names.
6141 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6143 * predict.c (estimate_probability): Remove.
6144 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6145 * basic-block.h (estimate_probability): Remove prototype.
6146 * passes.c (finish_optimization_passes): Dump branch prediction or
6147 profiling heuristics to the .profile tree dump.
6148 (init_optimization_passes): Unqueue pass_branch_prob.
6150 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6152 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6154 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6155 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6157 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6159 * function.h (frame_offset_overflow): Declare.
6160 * function.c (frame_offset_overflow): New function.
6161 (assign_stack_local_1): Call it to detect that the offset overflows.
6162 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6164 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6166 * config/sh/sh.c: Include alloc-pool.h.
6167 (label_ref_list_pool): New alloc pool.
6168 (label_ref_list_t): New type for lists of labels.
6169 (struct pool_node): Make wend a label_ref_list_t.
6170 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6172 (dump_table): Likewise.
6173 (sh_reorg): Set up the alloc pool before using add_constant and
6174 dump_table, and destroy it when finishing.
6176 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6178 * config/mips/mips.c: Remove redundant comment.
6180 2006-03-10 Jason Merrill <jason@redhat.com>
6183 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6184 the target was declared 'register'.
6186 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6188 * genpreds.c (write_insn_constraint_len): Change definition of
6189 insn_constraint_len to return size_t to match the declaration.
6191 2006-03-10 DJ Delorie <dj@redhat.com>
6193 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6195 (m32c_expand_insv): Fix test for an AND mask.
6197 2006-03-10 Richard Guenther <rguenther@suse.de>
6200 * builtins.c (get_pointer_alignment): Handle component
6201 references for field alignment.
6203 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6205 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6206 when building with libgloss.
6207 (sh*elf): Implement --without-fp option.
6208 (sh64-superh-linux*): Don't multilib.
6210 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6212 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6214 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6216 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6217 Set it when one of the replacement functions returned true.
6218 Return TODO_cleanup_cfg if cfgchanged is true.
6219 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6221 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6223 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6224 instead of gen_lowpart.
6226 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6228 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6230 (mips_output_order_conditional_branch): Declare.
6231 * config/mips/mips.h (MIPS_BRANCH): New macro.
6232 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6233 for the comparison. Use gen_condjump.
6234 (mips_output_conditional_branch): Rework interface to take the
6235 asm templates for a direct branch and the inverse of a direct branch.
6236 (mips_output_order_conditional_branch): New function.
6237 (mips_builtin_branch_and_move): New function.
6238 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6239 branch condition. Use gen_single_cc as the condition for
6240 __builtin_mips_upper_* or __builtin_mips_lower_*.
6241 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6242 Use VOIDmode for the branch condition.
6243 * config/mips/predicates.md (order_operator): New predicate.
6244 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6245 (branch_fp): Rename to...
6246 (*branch_fp): ...this. Remove mode from comparison operator.
6247 Use new mips_output_conditional_branch interface.
6248 (branch_fp_inverted): Rename to...
6249 (*branch_fp_inverted): ...this and update as for *branch_fp.
6250 (*branch_zero<mode>): Rename to...
6251 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6252 Use mips_output_order_conditional_branch. Only accept ordered
6254 (*branch_zero<mode>_inverted): Rename to...
6255 (*branch_order<mode>_inverted): ...this and update as for
6256 *branch_order<mode>.
6257 (*branch_equality<mode>): Accept zero as the second operand to
6258 the equality operator. Use the new mips_output_conditional_branch
6260 (*branch_equality<mode>_inverted): Likewise.
6261 (condjump): New expander.
6262 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6264 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6265 (bc1any2t, bc1any2f): Likewise.
6266 (single_cc): New expander.
6267 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6269 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6271 * doc/md.texi: Update documentation of MIPS constraints.
6272 * config/mips/constraints.md: New file.
6273 * config/mips/mips.md: Include it.
6274 * config/mips/mips.c (mips_char_to_class): Delete.
6275 (override_options): Don't initialize mips_char_to_class.
6276 * config/mips/mips.h (mips_char_to_class): Delete.
6277 (REG_CLASS_FROM_LETTER): Delete.
6278 (CONST_OK_FOR_LETTER_P): Delete.
6279 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6280 (EXTRA_CONSTRAINT_Y): Delete.
6281 (EXTRA_CONSTRAINT_STR): Delete.
6282 (CONSTRAINT_LEN): Delete.
6283 (EXTRA_MEMORY_CONSTRAINT): Delete.
6285 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6287 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6288 original fn's eh regions.
6290 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6292 * fold-const.c (build_range_check): Make sure to use a valid type to
6293 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6296 (range_predecessor): New static function.
6297 (range_successor): Likewise.
6298 (merge_ranges): Use them to compute predecessors and successors of
6301 2006-03-09 Roger Sayle <roger@eyesopen.com>
6304 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6305 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6307 2006-03-08 DJ Delorie <dj@redhat.com>
6309 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6310 (addpsi3): Expand to include memory operands. Remove
6311 reload-specific splits.
6312 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6313 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6314 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6315 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6316 (shift1_qi, shift1_hi, insv): New.
6317 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6318 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6319 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6321 * config/m32c/m32c-protos.h: Update as needed.
6322 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6323 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6324 Fail for unrecognized R* constraints.
6325 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6326 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6327 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6329 (m32c_init_libfuncs): New.
6330 (m32c_legitimate_address_p): Add debug wrapper.
6331 (m32c_rtx_costs): New.
6332 (m32c_address_cost): New.
6333 (conversions): Add 'B' prefix.
6334 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6335 operands, or word regnames for QI operands. 'B' prints bit
6337 (m32c_expand_setmemhi): New.
6338 (m32c_expand_movmemhi): New.
6339 (m32c_expand_movstr): New.
6340 (m32c_expand_cmpstr): New.
6341 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6342 (m32c_expand_neg_mulpsi3): Handle non-ints.
6343 (m32c_cmp_flg_0): New.
6344 (m32c_expand_movcc): New.
6345 (m32c_expand_insv): New.
6346 (m32c_scc_pattern): New.
6347 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6348 a0/a1 out of SIregs.
6349 (STORE_FLAG_VALUE): New.
6350 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6353 * config/m32c/mov.md: Make constraints more liberal.
6354 (zero_extendqihi2): Optimize r0/r1 case.
6355 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6356 * config/m32c/predicates.md (m32c_any_operand): New.
6357 (m32c_nonimmediate_operand): New.
6358 (m32c_hl_operand): New.
6359 (m32c_r3_operand): New.
6362 (memsym_operand): New.
6363 (memimmed_operand): New.
6364 (a_qi_operand): New.
6365 (m32c_eqne_operator): New.
6366 (m32c_1bit8_operand): New.
6367 (m32c_1bit16_operand): New.
6368 (m32c_1mask8_operand): New.
6369 (m32c_1mask16_operand): New.
6370 * config/m32c/blkmov.md: New file.
6371 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6373 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6375 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6376 unsigned to fix signed/unsigned comparison issue in
6377 DWARF2_FRAME_REG_OUT.
6378 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6379 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6381 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6382 of ptr into the ENABLE_CHECKING section.
6384 2006-03-08 Jeff Law <law@redhat.com>
6386 * tree-vrp.c (infer_value_range): Only count pointer uses
6387 and dereferences if -fdelete-null-pointer-checks is enabled.
6389 * tree-vrp.c (find_assert_locations): Infer value ranges for
6390 single use pointers, but do not create ASSERT_EXPRs for them.
6391 When a non-null range is inferred for a pointer, backwards
6392 propagate that range to other equivalent pointers through the
6395 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6398 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6399 language hook targets.
6400 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6401 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6402 if language hook targets were missing.
6404 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6406 * tree-ssa-opfinalize.h: Removed.
6407 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6409 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6410 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6411 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6412 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6413 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6414 finalize_ssa_v_must_def_ops): New.
6416 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6418 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6421 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6423 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6425 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6426 addresses with offsets; reorganize.
6428 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6429 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6430 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6432 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6435 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6437 2006-03-08 Ben Elliston <bje@au.ibm.com>
6439 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6441 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6444 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6447 2006-03-07 Richard Guenther <rguenther@suse.de>
6449 PR tree-optimization/26587
6450 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6452 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6454 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6456 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6458 * hooks.c (hook_bool_mode_rtx_true): New function.
6459 * hooks.h (hook_bool_mode_rtx_true): Declare.
6460 * toplev.c (compile_file): Call output_shared_constant_pool.
6461 * varasm.c (shared_constant_pool): New variable.
6462 (assemble_start_function, assemble_end_function): Remove arguments
6463 from call to output_constant_pool.
6464 (create_constant_pool): New function, split out from...
6465 (init_varasm_status): ...here.
6466 (force_const_mem): Choose between the shared and per-function constant
6467 pools. Set current_function_uses_const_pool when reusing old entries
6468 as well as when creating new ones.
6469 (mark_constant): Ignore data argument.
6470 (mark_constants): Remove pool argument.
6471 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6472 to decide whether the function uses a constant pool.
6473 (output_constant_pool_contents): New function, split out from...
6474 (output_constant_pool): ...here.
6475 (output_shared_constant_pool): New function.
6476 (init_varasm_once): Initialize shared_constant_pool.
6477 * output.h (output_constant_pool): Delete.
6478 (output_shared_constant_pool): Declare.
6479 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6480 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6482 2006-03-06 Nick Clifton <nickc@redhat.com>
6484 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6485 flag_strength_reduce.
6487 2006-03-06 Ben Elliston <bje@au.ibm.com>
6489 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6490 x86_64-*-linux* configurations.
6492 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6493 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6495 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6497 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6499 * basic-block.h: Remove the extern for
6500 rediscover_loops_after_threading.
6502 * cfgloop.c (cancel_loop): Make it static.
6503 * cfgloop.h: Remove the prototype for cancel_loop.
6505 * flow.c (recompute_reg_usage): Make it static.
6506 * rtl.h: Remove the prototype for recompute_reg_usage.
6508 * function.c (use_return_register): Make it static.
6509 * function.h: Remove the prototype.
6511 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6513 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6515 * recog.h: Remove the prototype for
6516 validate_change_maybe_volatile.
6518 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6520 * rtlanal.c (replace_reg): Remove.
6521 * rtl.h: Remove the prototype for replace_reg.
6523 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6525 * regclass.c (reg_scan_update): Remove.
6526 (reg_scan_mark_refs): Remove the last argument.
6527 * rtl.h: Remove the prototype for reg_scan_update.
6529 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6531 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6532 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6533 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6534 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6535 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6536 loop-invariant.c, omp-low.c, opts.c, passes.c,
6537 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6538 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6539 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6540 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6541 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6542 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6544 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6546 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6547 * dwarf2out.h: Remove the prototype for
6548 dwarf2out_add_library_unit_info.
6550 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6552 * tree.c (add_var_to_bind_expr): Remove.
6553 * tree.h: Remove the prototype for add_var_to_bind_expr.
6555 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6557 * regclass.c (n_non_fixed_regs): Remove.
6558 (init_reg_sets_1, globalize_reg): Remove all uses of
6560 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6562 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6564 * rtlanal.c (insns_safe_to_move_p): Remove.
6565 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6567 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6569 * expmed.c (expand_mult_add): Remove.
6570 * expr.h: Remove the prototype for expand_mult_add.
6572 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6574 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6575 and REG_SAVED_VAL_EXP constants.
6576 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6577 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6578 Handle regs stored by value.
6579 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6580 (execute_cfa_program): Handle DW_CFA_val_offset,
6581 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6582 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6583 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6584 (uw_install_context_1): Handle target regs stored by value.
6586 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6588 * tree-sra.c (tree_sra): Return todoflags;
6589 (generate_one_element): Set TODO_update_smt_usage if needed.
6590 (pass_sra): Remove TODO_update_smt_usage.
6591 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6593 (tree_ssa_forward_propagate_single_use_vars): Return
6594 TODO_update_smt_usage if we need to update SMT usage.
6595 (pass_forwprop): Remove TODO_update_smt_usage.
6597 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6599 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6600 (correct_use_link): Remove reference to get_stmt_operands.
6601 (update_stmt_operands): Likewise.
6602 (get_modify_expr_operands): New function factored out of
6603 parse_ssa_operands and get_expr_operands.
6604 Try to create V_MUST_DEFs for LHS by default.
6605 (get_expr_operands) <case MODIFY_EXPR>: Call
6606 get_modify_expr_operands.
6607 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6608 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6609 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6610 get_modify_expr_operands.
6612 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6614 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6615 * tree-flow.h: Remove the prototype for
6616 referenced_var_lookup_if_exists.
6618 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6620 PR rtl-optimization/26345
6622 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6624 2006-03-03 Roger Sayle <roger@eyesopen.com>
6626 PR tree-optimization/26524
6627 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6628 fold_convert to create a constant of the appropriate type.
6630 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6632 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6633 SYMBOL_REF_IN_BLOCK_P.
6634 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6635 of SYMBOL_FLAG_IN_BLOCK.
6636 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6637 instead of SYMBOL_REF_IN_BLOCK_P.
6638 * explow.c (use_anchored_address): Likewise.
6639 * rtl.c (rtx_size): Likewise.
6640 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6641 instead of SYMBOL_FLAG_IN_BLOCK.
6642 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6643 SYMBOL_REF_IN_BLOCK_P.
6644 (assemble_variable): Likewise.
6645 (output_constant_def_contents): Likewise.
6646 (output_constant_pool): Likewise.
6647 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6648 instead of SYMBOL_FLAG_IN_BLOCK.
6649 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6650 SYMBOL_REF_IN_BLOCK_P.
6651 (SYMBOL_REF_BLOCK): Likewise.
6652 (SYMBOL_REF_OFFSET): Likewise.
6653 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6654 SYMBOL_REF_IN_BLOCK_P.
6655 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6656 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6657 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6658 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6660 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6662 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6664 2006-03-02 Roger Sayle <roger@eyesopen.com>
6666 * simplify-rtx.c (simplify_unary_operation): When simplifying
6667 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6668 that we perform the right shift in the appropriate mode, and
6669 then extend or truncate the result to requested mode.
6671 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6673 * gengtype.c (main): Handle double_int type.
6674 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6675 * double-int.c: New file.
6676 * double-int.h: New file.
6677 * system.h: Include doubleint.h.
6678 * Makefile.in (SYSTEM_H): Include double-int.h.
6679 (double-int.o): Add.
6681 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6684 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6687 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6689 * tree-vrp.c (remove_range_assertions): Do not update statements
6692 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6694 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6696 * gcse.c (rest_of_handle_gcse): Ditto.
6697 * except.c (gate_handle_eh): Ditto.
6698 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6699 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6701 2006-03-02 Eric Christopher <echristo@apple.com>
6703 * config/i386/i386.c (machopic_output_stub): Add indirection to
6706 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6710 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6712 Sun Niagara specific optimizations.
6713 * config.gcc: Recognize niagara as target.
6714 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6715 (TARGET_CPU_niagara): Define.
6716 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6717 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6718 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6719 (ASM_CPU_SPEC): Likewise.
6720 (PROCESSOR_NIAGARA): New enum entry.
6721 (REGISTER_MOVE_COST): Handle Niagara.
6722 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6723 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6724 (sparc_override_options): Recognize "niagara", set appropriate
6725 default MASK_* values for it, and align functions to 32-bytes
6726 by default just like ULTRASPARC/ULTRASPARC3.
6727 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6728 (sparc64_initialize_trampoline): Likewise.
6729 (sparc_use_sched_lookahead): Use zero for niagara.
6730 (sparc_issue_rate): Use one for niagara.
6731 * config/sparc/niagara.md: New file.
6732 * config/sparc/sparc.md: Include it.
6733 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6734 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6735 when default cpu is niagara.
6736 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6737 (ASM_CPU_SPEC): Likewise.
6738 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6739 when default cpu is niagara.
6740 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6741 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6742 just like v9/ultrasparc/ultrasparc3.
6743 * doc/invoke.texi: Add documentation for "niagara" and improve
6744 existing documentation for ultrasparc variants.
6746 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6748 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6750 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6752 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6753 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6754 and say that only one is needed.
6755 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6756 * target.h (have_switchable_bss_sections): New hook.
6757 * explow.c (use_anchored_address): Check that the symbol is in a block.
6758 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6759 (bss_noswitch_section): New variables.
6760 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6761 (get_noswitch_section): New function.
6762 (get_block_for_section): Allow SECT to be null.
6763 (unlikely_text_section_p): Use SECTION_STYLE.
6764 (bss_initializer_p): New function.
6765 (get_variable_section): Move earlier in file. Take a new argument,
6766 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6767 Return one of the new *_sections in such cases.
6768 (get_block_for_decl): New function, extracting some logic from
6769 use_blocks_for_decl_p.
6770 (change_symbol_section): Remove in favor of...
6771 (change_symbol_block): ...this new function.
6772 (use_blocks_for_decl_p): Remove checks now performed by
6774 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6775 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6776 (emit_local, emit_bss, emit_common): ...these new functions.
6777 Return true if the alignment was honored.
6778 (emit_tls_common): New function.
6779 (asm_emit_uninitialised): Delete.
6780 (assemble_variable_noswitch): New function, split out from...
6781 (assemble_variable): ...here. Don't make decisions about common
6782 variables here. Globalize all public decls that go into non-common
6783 sections. Check whether SYMBOL_REF_BLOCK is null.
6784 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6785 (output_constant_pool): Likewise.
6786 (init_varasm_once): Initialize the new section variables.
6787 (have_global_bss_p): New function.
6788 (categorize_decl_for_section): Use bss_initializer_p.
6789 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6790 (place_block_symbol): Assert that the symbol must be in a block.
6791 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6792 (TARGET_INITIALIZER): Include it.
6793 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6794 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6795 (SECTION_MACH_DEP): Bump by two.
6796 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6797 (unnamed_section): Mention SECTION_UNNAMED in comment.
6798 (named_section): Likewise SECTION_NAMED.
6799 (noswitch_section_callback): New type.
6800 (noswitch_section): New structure.
6801 (section): Add a noswitch_section alternative.
6802 (SECTION_STYLE): New macro.
6803 (tls_comm_section, comm_section, lcomm_section): Declare.
6804 (bss_noswitch_section, have_global_bss_p): Declare.
6805 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6806 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6808 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6809 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6812 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6814 * tree-vrp.c (execute_vrp): Return value.
6815 * regrename.c (rest_of_handle_regrename): Ditto.
6816 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6817 * tree-complex.c (tree_lower_complex): Ditto.
6818 (tree_lower_complex_O0): Ditto.
6819 * tracer.c (rest_of_handle_tracer): Ditto.
6820 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6821 * postreload.c (rest_of_handle_postreload): Ditto.
6822 * tree-tailcall.c (execute_tail_recursion): Ditto.
6823 (execute_tail_calls): Ditto.
6824 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6825 * tree.h (init_function_for_compilation): Ditto.
6826 * ipa-cp.c (ipcp_driver): Ditto.
6827 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6828 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6829 * final.c (compute_alignments): Ditto.
6830 (rest_of_handle_final): Ditto.
6831 (rest_of_handle_shorten_branches): Ditto.
6832 (rest_of_clean_state): Ditto.
6833 * omp-low.c (execute_expand_omp): Ditto.
6834 (execute_lower_omp): Ditto.
6835 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6836 * ipa-reference.c (static_execute): Ditto.
6837 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6838 * reorg.c (rest_of_handle_delay_slots): Ditto.
6839 (rest_of_handle_machine_reorg): Ditto.
6840 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6841 * flow.c (recompute_reg_usage): Ditto.
6842 (rest_of_handle_remove_death_notes): Ditto.
6843 (rest_of_handle_life): Ditto.
6844 (rest_of_handle_flow2): Ditto.
6845 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6846 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6847 (do_ssa_store_ccp): Ditto.
6848 (execute_fold_all_builtins): Ditto.
6849 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6850 * modulo-sched.c (rest_of_handle_sms): Ditto.
6851 * ipa-pure-const.c (static_execute): Ditto.
6852 * cse.c (rest_of_handle_cse): Ditto.
6853 (rest_of_handle_cse2): Ditto.
6854 * web.c (rest_of_handle_web): Ditto.
6855 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6856 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6857 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6858 * tree-nrv.c (tree_nrv): Ditto.
6859 (execute_return_slot_opt): Ditto.
6860 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6861 (create_structure_vars): Ditto.
6862 * loop-init.c (rtl_loop_init): Ditto.
6863 (rtl_loop_done): Ditto.
6864 (rtl_move_loop_invariants): Ditto.
6865 (rtl_unswitch): Ditto.
6866 (rtl_unroll_and_peel_loops): Ditto.
6867 (rtl_doloop): Ditto.
6868 * gimple-low.c (lower_function_body): Ditto.
6869 (mark_used_blocks): Ditto.
6870 * tree-ssa-sink.c (execute_sink_code): Ditto.
6871 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6872 (cgraph_early_inlining): Ditto.
6873 * global.c (rest_of_handle_global_alloc): Ditto.
6874 * jump.c (cleanup_barriers): Ditto.
6875 (purge_line_number_notes): Ditto.
6876 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6877 (rest_of_handle_if_after_reload): Ditto.
6878 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6879 (tree_ssa_loop_im): Ditto.
6880 (tree_ssa_loop_unswitch): Ditto.
6881 (tree_vectorize): Ditto.
6882 (tree_linear_transform): Ditto.
6883 (tree_ssa_loop_ivcanon): Ditto.
6884 (tree_ssa_empty_loop): Ditto.
6885 (tree_ssa_loop_bounds): Ditto.
6886 (tree_complete_unroll): Ditto.
6887 (tree_ssa_loop_prefetch): Ditto.
6888 (tree_ssa_loop_ivopts): Ditto.
6889 (tree_ssa_loop_done): Ditto.
6890 * predict.c (tree_estimate_probability): Ditto.
6891 * recog.c (split_all_insns_noflow): Ditto.
6892 (rest_of_handle_peephole2): Ditto.
6893 (rest_of_handle_split_all_insns): Ditto.
6894 * tree-eh.c (lower_eh_constructs): Ditto.
6895 * regmove.c (rest_of_handle_regmove): Ditto.
6896 (rest_of_handle_stack_adjustments): Ditto.
6897 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6898 * function.c (instantiate_virtual_regs): Ditto.
6899 (init_function_for_compilation): Ditto.
6900 (rest_of_handle_check_leaf_regs): Ditto.
6901 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6902 (rest_of_handle_gcse): Ditto.
6903 * ipa-type-escape.c (type_escape_execute): Ditto.
6904 * alias.c (rest_of_handle_cfg): Ditto.
6905 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6906 * profile.c (rest_of_handle_branch_prob): Ditto.
6907 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6908 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6909 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6910 * tree-dfa.c (find_referenced_vars): Ditto.
6911 * except.c (set_nothrow_function_flags): Ditto.
6912 (convert_to_eh_region_ranges): Ditto.
6913 (rest_of_handle_eh): Ditto.
6914 * emit-rtl.c (unshare_all_rtl): Ditto.
6915 (remove_unnecessary_notes): Ditto.
6916 * except.h (set_nothrow_function_flags): Ditto.
6917 (convert_to_eh_region_ranges): Ditto.
6918 * cfgexpand.c (tree_expand_cfg): Ditto.
6919 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6920 * tree-ssa-pre.c (do_pre): Ditto.
6921 (execute_fre): Ditto.
6922 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6923 (rest_of_handle_jump2): Ditto.
6924 * tree-sra.c (tree_sra): Ditto.
6925 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6926 (execute_mudflap_function_decls): Ditto.
6927 * tree-ssa-copy.c (do_copy_prop): Ditto.
6928 (do_store_copy_prop): Ditto.
6929 * ipa-prop.h (ipcp_driver): Ditto.
6930 * cfglayout.c (insn_locators_initialize): Ditto.
6931 * tree-ssa-forwprop.c
6932 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6933 * cfglayout.h (insn_locators_initialize): Ditto.
6934 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6935 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6936 (execute_late_warn_uninitialized): Ditto.
6937 * rtl.h (cleanup_barriers): Ditto.
6938 (split_all_insns_noflow): Ditto.
6939 (purge_line_number_notes): Ditto.
6940 (unshare_all_rtl): Ditto.
6941 (remove_unnecessary_notes): Ditto.
6942 (recompute_reg_usage): Ditto.
6943 (variable_tracking_main): Ditto.
6944 * integrate.c (emit_initial_value_sets): Ditto.
6945 * integrate.h (emit_initial_value_sets): Ditto.
6946 * tree-optimize.c (execute_free_datastructures): Ditto
6947 (execute_free_cfg_annotations): Ditto.
6948 (execute_fixup_cfg): Ditto.
6949 (execute_cleanup_cfg_pre_ipa): Ditto.
6950 (execute_cleanup_cfg_post_optimizing): Ditto.
6951 (execute_init_datastructures): Ditto.
6952 * tree-object-size.c (compute_object_sizes): Ditto.
6953 * combine.c (rest_of_handle_combine): Ditto.
6954 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6955 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6956 (rest_of_handle_reorder_blocks): Ditto.
6957 (rest_of_handle_partition_blocks): Ditto.
6958 * var-tracking.c (variable_tracking_main): Ditto.
6959 * tree-profile.c (tree_profiling): Ditto.
6960 * tree-vect-generic.c (expand_vector_operations): Ditto.
6961 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6962 * sched-rgn.c (rest_of_handle_sched): Ditto.
6963 (rest_of_handle_sched2): Ditto.
6964 * basic-block.h (free_bb_insn): Ditto.
6965 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6966 * tree-cfg.c (execute_build_cfg): Ditto.
6967 (remove_useless_stmts): Ditto.
6968 (split_critical_edges): Ditto.
6969 (execute_warn_function_return): Ditto.
6970 (execute_warn_function_noreturn): Ditto.
6971 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6972 * cfgrtl.c (free_bb_for_insn): Ditto.
6973 * passes.c (execute_one_pass): Run additional
6974 todos returned by execute function.
6975 * tree-pass.h (struct tree_opt_pass): Make execute
6978 2006-03-02 Richard Guenther <rguenther@suse.de>
6980 * tree-ssa-alias.c (find_used_portions): Consider taking
6981 the address as making the variable not write-only.
6983 2006-03-02 Nick Clifton <nickc@redhat.com>
6985 * config.gcc (default_use_cxa_atexit): Extend the description of
6986 this configure variable. Set its default value to "yes" for
6987 Linux, NetBSD and ELF targets on the assumption that they will
6988 use C libraries with the __cxa_atexit function.
6990 2006-03-02 Ben Elliston <bje@au.ibm.com>
6992 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6993 parameter as unused to suppress a build warning.
6995 2006-03-02 Ben Elliston <bje@au.ibm.com>
6997 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7000 2006-03-01 Roger Sayle <roger@eyesopen.com>
7003 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7004 declared name, the weak reference name, and the typeof name.
7005 (__gthrw): Avoid expanding the declared name suffix.
7006 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7008 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7010 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7012 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7013 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7014 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7015 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7016 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7017 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7018 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7019 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7020 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7021 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7022 (DW_END_default, DW_END_big, DW_END_little): New.
7023 (DW_END_lo_user, DW_END_hi_user): Define.
7024 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7025 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7026 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7029 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7031 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7033 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7035 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7037 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7039 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7040 to 'symbol_mem_tag'.
7042 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7045 2006-03-01 Roger Sayle <roger@eyesopen.com>
7047 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7049 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7052 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7053 MACHO_DYNAMIC_NO_PIC_P.
7054 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7056 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7059 * config/darwin-protos.h (darwin_asm_output_anchor):
7061 * config/darwin-sections.def (cstring_section):
7062 Add SECTION_MERGE to the flags.
7063 (literal4_section): Likewise.
7064 (literal8_section): Likewise.
7065 (objc_selector_refs_section): Likewise.
7066 (objc_cls_refs_section): Likewise.
7067 * config/darwin.c (darwin_asm_output_anchor): New
7069 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7071 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7073 Fix PR tree-optimization/26443
7074 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7075 to todo and PROP_tmt_usage to properties_destroyed.
7076 * tree-ssa-ccp.c (pass_ccp): Ditto.
7077 (pass_store_ccp): Ditto.
7078 * tree-ssa-dom.c (pass_dominator): Ditto.
7080 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7082 * tree-ssa-operands.c: Cleanup whitespace.
7083 (get_asm_expr_operands): Move before first invocation.
7084 (get_indirect_ref_operands): Likewise.
7085 (get_tmr_operands): Likewise.
7086 (get_call_expr_operands): Likewise.
7087 (append_def): Likewise.
7088 (append_use): Likewise.
7089 (append_v_may_def): Likewise.
7090 (append_v_must_def): Likewise.
7091 (add_call_clobber_ops): Likewise.
7092 (add_call_read_ops): Likewise.
7093 (add_stmt_operand): Likewise.
7094 (add_virtual_operand): Likewise.
7095 (build_ssa_operands): Likewise.
7097 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7102 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7103 with a call expr to ...
7104 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7106 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7108 * tree-vrp.c (extract_range_from_assert): Remove special
7109 handling for types with super-types.
7111 2006-03-01 Ben Elliston <bje@au.ibm.com>
7113 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7114 and powerpc64-*-linux* configurations.
7115 * config/t-dfprules: New file.
7117 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7118 Compile dfp-bit.c from the source directory using -DWIDTH and
7119 $DFP_CFLAGS to control the compilation of that file, rather than
7120 generating width-specific versions in the build directory.
7121 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7122 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7124 2006-02-28 Zack Weinberg <zackw@panix.com>
7126 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7129 2006-02-28 Eric Christopher <echristo@apple.com>
7131 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7132 Set up IN_LIBGCC definition of TARGET_64BIT.
7133 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7135 2006-02-28 Roger Sayle <roger@eyesopen.com>
7138 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7139 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7140 cases via the construction of "expr != 0".
7142 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7144 * alias.c (alias_invariant, alias_invariant_size): Remove.
7145 (record_base_value): Remove.
7146 (memrefs_conflict_p): Don't look at alias_invariant.
7147 (end_alias_analysis): Don't free it.
7148 * alias.h (record_base_value): Remove prototype.
7150 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7151 Adam Nemet <anemet@caviumnetworks.com>
7153 * rtl.h (truncated_to_mode): Declare it.
7154 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7155 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7156 (RTL_HOOKS_INITIALIZER): Include it.
7157 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7158 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7159 reg_truncated_to_mode.
7160 * rtlanal.c (truncated_to_mode): Define it.
7161 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7163 2006-02-28 Jeff Law <law@redhat.com>
7165 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7166 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7167 the range allowed by TYPE_PRECISION.
7169 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7171 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7173 PR tree-optimization/26419
7174 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7177 2006-02-27 Zack Weinberg <zackw@panix.com>
7179 * doc/md.texi: Fix typo in previous change.
7181 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7185 2006-02-27 Zack Weinberg <zackw@panix.com>
7187 * rtl.def (define_constraint, define_register_constraint)
7188 (define_memory_constraint, define_address_constraint): New MD forms.
7189 * gensupport.c (process_rtx): Put define_constraint etc on the
7191 * genpreds.c (process_define_predicate): Adjust comment. Validate
7192 the name, and call validate_exp to validate the expression.
7193 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7194 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7195 all callers changed.
7196 (validate_exp, needs_variable, struct constraint_data)
7197 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7198 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7199 (const_dbl_constraints, constraint_max_namelen)
7200 (have_register_constraints, have_memory_constraints)
7201 (have_address_constraints, have_address_constraints)
7202 (have_extra_constraints, have_const_int_constraints)
7203 (have_const_dbl_constraints, mangle, add_constraint)
7204 (process_define_constraint, process_define_register_constraint)
7205 (write_enum_constraint_num, write_lookup_constraint)
7206 (write_insn_constraint_len, write_regclass_for_constraint)
7207 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7208 (write_insn_extra_memory_constraint)
7209 (write_insn_extra_address_constraint)
7210 (write_satisfies_constraint_fns): New.
7211 (write_tm_preds_h): If we have new-style constraint definitions,
7212 prototype the functions generated from them, and define the
7213 old constraint interface (still used by generic code) in terms of
7215 (write_insn_preds_c): If we have new-style constraint definitions,
7216 generate all relevant functions from those definitions.
7217 (main): Handle define_constraint etc.
7218 * genoutput.c (struct constraint_data, indep_constraints)
7219 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7220 (mdep_constraint_len): New data structures and functions, defined
7221 #ifdef USE_MD_CONSTRAINTS.
7222 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7223 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7224 use new logic to validate operand constraints against constraint
7226 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7228 * defaults.h: If none of the old-style constraint macros are
7229 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7230 old-style macros; and poison REG_CLASS_FROM_LETTER,
7231 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7233 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7234 * doc/md.texi: Document new constraint-definition mechanism and the
7235 C interface it provides. Remove references to old mechanism
7236 elsewhere in the document.
7237 (Machine Constraints): Use pathnames relative to gcc directory,
7238 i.e. config/ARCH/FILE. Change i386 section to refer to
7239 config/i386/predicates.md; update that section to match docstrings.
7240 * doc/tm.texi: Move all documentation of the old constraint-
7241 definition macros to their own section, clearly mark as obsolete.
7243 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7244 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7246 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7247 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7248 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7250 (splits and peepholes): Use satisfies_constraint_*.
7251 * config/i386/i386.c (memory_address_length)
7252 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7254 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7256 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7257 scalar operation to be put back into the loop.
7259 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7262 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7263 (extract_cie_info): Handle S flag in augmentation string.
7264 (execute_cfa_program): If context->signal_frame, execute also
7265 fs->pc == context->ra instructions.
7266 (uw_frame_state_for): If context->signal_frame, don't subtract one
7267 from context->ra to find FDE.
7268 (uw_update_context_1): Set context->signal_frame to
7270 (_Unwind_GetIPInfo): New function.
7271 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7272 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7274 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7275 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7276 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7277 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7278 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7279 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7280 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7281 x86_64_fallback_frame_state): Set fs->signal_frame.
7282 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7283 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7284 (frob_update_context): Likewise. Workaround missing S flag in
7285 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7286 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7287 Remove the psw_addr + 1 hack.
7289 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7291 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7292 with aggregates here.
7293 (find_func_aliases): Remove code for &<aggregate> from here.
7295 2006-02-26 Roger Sayle <roger@eyesopen.com>
7297 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7298 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7299 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7302 2006-02-26 Roger Sayle <roger@eyesopen.com>
7305 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7307 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7309 * opts.c (decode_options): Do not handle flag_strength_reduce.
7310 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7311 and OPT_fstrength_reduce.
7312 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7313 flag_prefetch_loop_arrays for being nonzero.
7314 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7316 (fprefetch-loop-arrays-rtl): Removed.
7317 (flag_prefetch_loop_arrays): Do not specify the value.
7319 * doc/passes.texi: Update documentation of loop optimizer
7321 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7322 -frerun-loop-opt): Remove.
7324 2006-02-26 Richard Guenther <rguenther@suse.de>
7326 PR tree-optimization/26421
7327 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7328 in function calls that are ADDR_EXPRs as using the whole structure.
7330 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7332 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7333 * tree-pass.h (pass_loop_optimize): Remove.
7334 * passes.c (pass_loop_optimize): Never run it.
7335 * toplev.c (backend_init): Don't call init_loop.
7336 * opts.c (flag_loop_optimize_set): Remove.
7337 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7338 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7339 the old RTL loop optimizer when profiling enabled.
7340 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7341 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7342 pre-headers for the sake of the old RTL loop optimizer.
7343 * Makefile.in: Remove all references to loop.o.
7345 * doc/invoke.texi: Remove all references to -floop-optimize
7346 and -frerun-loop-opt.
7348 2006-02-26 Zack Weinberg <zackw@panix.com>
7350 * doc/md.texi (Machine Constraints): Refer to all files with paths
7351 relative to gcc directory (i.e. config/CPU/file). Add missing
7352 @table @code ... @end table to M32C subsection.
7354 2006-02-26 Roger Sayle <roger@eyesopen.com>
7356 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7358 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7360 2006-02-26 Roger Sayle <roger@eyesopen.com>
7361 James A. Morrison <phython@gcc.gnu.org>
7364 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7365 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7366 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7367 signedness of the shift operation.
7369 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7371 PR tree-optimization/26359
7372 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7374 2006-02-25 Roger Sayle <roger@eyesopen.com>
7376 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7377 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7378 as X == 0, and some symmetry related transformations.
7379 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7381 2006-02-25 Roger Sayle <roger@eyesopen.com>
7384 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7385 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7386 symmetry related transformations. Fold (X^C1) == C2 as
7389 2006-02-25 Juergen Weigert <jw@suse.de>
7390 Richard Guenther <rguenther@suse.de>
7392 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7394 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7396 * combine.c (gen_lowpart_or_truncate): Call
7397 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7399 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7401 * doc/invoke.texi: Move -fopenmp description to "Options for
7403 Remove reference to -lgomp.
7405 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7407 * doc/install.texi: Require GNU tar version 1.14.
7409 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7411 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7412 * doc/invoke.texi (C++ Dialect Options): Document
7413 -fno-use-cxa-get-exception-ptr.
7414 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7415 * configure: Regenerate.
7416 * c.opt (fuse-cxa-get-exception-ptr): New.
7417 * c-opts.c (c_common_handle_option): Handle
7418 OPT_fuse_cxa_get_exception_ptr.
7419 * c-common.c (flag_use_cxa_atexit): Update documentation.
7420 (flag_use_cxa_get_exception_ptr): New.
7421 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7422 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7424 (C_COMMON_OVERRIDE_OPTIONS): New.
7426 2006-02-24 Roger Sayle <roger@eyesopen.com>
7429 * combine.c (try_combine): Explicitly check whether GET_CODE is
7430 a SET or a CLOBBER, instead on checking that it isn't a USE.
7432 2006-02-24 Roger Sayle <roger@eyesopen.com>
7434 * fold-const.c (fold_comparison): New subroutine of fold_binary
7435 containing transformations common to both the equality and
7436 ordering relational operators, factored out of fold_binary.
7437 (fold_binary): Separate out the equality operators (EQ_EXPR
7438 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7439 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7440 transformations common to both.
7441 (fold_div_compare): Fix latent bugs in the previously unreachable
7442 LT_EXPR and GE_EXPR cases.
7444 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7446 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7447 decl libname for clog to __clog on AIX.
7449 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7451 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7454 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7455 output traceback table for thunks. Localise rs6000_stack_info call.
7457 2006-02-23 Roger Sayle <roger@eyesopen.com>
7458 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7460 * gthr-posix.h (__gthrw): Fix typo in comment.
7462 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7464 * doc/cpp.texi (Character sets): Document that we do support
7465 input files to be in any character set.
7467 2006-02-23 Jeff Law <law@redhat.com>
7469 * tree.h (PHI_ARG_NONZERO): Remove.
7470 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7471 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7472 node to the new node.
7474 PR tree-optimization/26425
7475 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7476 min/max, then assume its varying.
7478 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7480 PR rtl-optimization/26316
7481 * rtlanal.c (enum may_trap_p_flags): New.
7482 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7483 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7484 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7485 (may_trap_after_code_motion_p): New function.
7486 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7487 (find_invariant_insn): Use may_trap_after_code_motion_p.
7488 * rtl.h (may_trap_after_code_motion_p): Declare.
7490 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7492 * emit-rtl.c (immed_double_const): Cleanup.
7494 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7496 Fix PR tree-optimization/26376
7497 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7500 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7503 * gimplify.c (omp_add_variable): Guard variable size decl test with
7504 DECL_SIZE (decl) check.
7506 2006-02-23 Richard Guenther <rguenther@suse.de>
7509 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7510 like aggregate types.
7512 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7514 * configure.ac: Add --with{,out}-long-double-128 configure option.
7515 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7516 * configure: Rebuilt.
7517 * config.in: Rebuilt.
7518 * doc/install.texi (Options specification): Document
7519 --with-long-double-128.
7521 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7522 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7523 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7524 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7526 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7528 * config/s390/s390.c (override_options): Handle
7529 TARGET_DEFAULT_LONG_DOUBLE_128.
7531 * config/alpha/alpha.c (override_options): Handle
7532 TARGET_DEFAULT_LONG_DOUBLE_128.
7534 * config/sparc/sparc.c (sparc_override_options): Handle
7535 TARGET_DEFAULT_LONG_DOUBLE_128.
7537 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7539 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7540 (real-install-headers-tar, real-install-headers-cpio)
7541 (real-install-headers-cp): New targets.
7543 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7545 * tree.h (variable_section): Delete.
7546 * varasm.c (variable_section): Delete.
7548 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7550 * install.texi: Add notes on install.texi2html.
7551 (Building in parallel): Do not use footnotes.
7553 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7556 * doc/install.texi (Configuration): Document --disable-libgomp.
7558 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7560 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7562 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7564 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7565 (vec_extractv2df_0_sse): New.
7567 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7569 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7570 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7571 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7572 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7573 to the result of the expression.
7574 (def_cfa_1): Adjust.
7575 (frame_pointer_cfa_offset): Rename to...
7576 (frame_pointer_fb_offset): ... this. Adjust all uses.
7577 (convert_cfa_to_loc_list): Rename to...
7578 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7579 Pass it on to build_cfa_loc.
7580 (compute_frame_pointer_to_cfa_displacement): Rename to...
7581 (compute_frame_pointer_to_fb_displacement): ... this. New
7582 offset parameter. Use it in computation.
7583 (gen_subprogram_die): Compute cfa_fb_offset with the new
7584 macro, and use it to compute the fb loc list and the
7587 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7589 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7590 replaced with register_operand.
7591 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7592 non-DREG is expensive.
7593 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7594 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7597 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7599 * doc/install.texi2html: Use set -e.
7601 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7603 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7604 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7605 * doc/invoke.texi (-fshared-data): Delete.
7606 * common.opt (fshared-data): Delete.
7607 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7608 (assemble_static_space): Remove #if 0 code.
7609 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7610 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7611 * config/cris/cris.h: Remove FIXME.
7613 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7615 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7618 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7621 * combine.c (simplify_shift_const_1): Disable nested shifts
7622 optimization for vector shifts.
7624 2006-02-20 Roger Sayle <roger@eyesopen.com>
7626 PR tree-optimization/26361
7627 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7628 of unsigned integer types.
7630 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7632 * tree-chrec.c (eq_evolutions_p): New.
7633 * tree-chrec.h (eq_evolutions_p): Declared.
7634 * tree-data-ref.c: Fix formatting.
7635 (datadep_stats, dependence_stats): New.
7637 (print_direction_vector): New.
7638 (dump_data_dependence_relation): Use print_direction_vector.
7639 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7640 (compute_subscript_distance): Static.
7641 (initialize_data_dependence_relation): Static. Get the number
7642 of loops surrounding the references from the callers, and initialize
7643 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7644 base_object_differ_p analyzers.
7645 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7646 compute_overlap_steps_for_affine_1_2,
7647 analyze_subscript_affine_affine): Count the classified dependences.
7648 Print a message when a test failed.
7649 (can_use_analyze_subscript_affine_affine): New.
7650 (analyze_siv_subscript): Compute the data dependences on symbolic
7651 scevs that verify can_use_analyze_subscript_affine_affine.
7652 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7653 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7654 Handle symbolic scevs.
7655 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7657 (subscript_dependence_tester): Moved...
7658 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7659 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7660 DDR_SIZE_VECT instead of getting it in parameter.
7661 (subscript_dependence_tester): ... here. Take as a parameter
7662 loop_nest_depth. Call build_classic_dist_vector and
7663 build_classic_dir_vector.
7664 (compute_affine_dependence): Update subscript_dependence_tester
7665 parameters. Update datadep_stats counters. Call
7666 compute_subscript_distance.
7667 (compute_self_dependence): Save the dist and dir vectors. Call
7668 compute_subscript_distance.
7669 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7670 (compute_all_dependences): Reorder parameters as they were before
7671 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7672 compute_subscript_distance. Update the use of
7673 compute_affine_dependence and initialize_data_dependence_relation.
7674 (find_data_references_in_loop): Handle COMPONENT_REF.
7675 (compute_data_dependences_for_loop): Initialize dependence_stats.
7676 Don't call build_classic_dist_vector and build_classic_dir_vector.
7677 Update the parameters of initialize_data_dependence_relation and
7678 compute_all_dependences. Print the statistics from datadep_stats.
7679 (analyze_all_data_dependences): Static. Not used until the pass for
7680 checking the data dependences is contributed.
7681 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7682 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7683 (initialize_data_dependence_relation, compute_affine_dependence,
7684 analyze_all_data_dependences, compute_subscript_distance): Removed.
7685 (print_direction_vector): New.
7686 * lambda.h (gcd): ... here.
7687 (lambda_vector_gcd): Moved here from gcd_vector.
7688 * lambda-code.c (gcd, gcd_vector): Removed.
7689 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7690 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7692 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7694 * ipa-type-escape.c: Tidy some comments and white space.
7695 * tree-ssa-operands.c: Likewise.
7697 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7700 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7701 (dump_decl_name): Do not walk the decl tree chains.
7702 * tree-pass.h (TDF_CHAIN): Remove.
7704 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7706 * Makefile.in (C): Remove
7708 (.PHONY): Remove C and PROTO
7710 2006-02-20 Roger Sayle <roger@eyesopen.com>
7713 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7714 deprecated CHAR_TYPE tree code.
7716 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7718 * configure.ac (target_list): Add install-info, dvi, html.
7719 * configure: Regenerate.
7721 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7722 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7723 treelang/Make-lang.in: Do not use double-colon rules.
7725 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7727 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7728 (TMT_USED_ALONE): New macro.
7729 * tree-pass.h (PROP_tmt_usage): New property.
7730 (TODO_update_tmt_usage): New todo.
7731 * tree-ssa-alias.c (updating_used_alone): New variable.
7732 (recalculate_used_alone): New function.
7733 (compute_may_aliases): Set updating_used_alone, call
7734 recalculate_used_alone.
7735 * tree-sra.c (pass_sra): Note that this pass destroys
7736 PROP_tmt_usage, and add TODO_update_tmt_usage.
7737 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7738 * tree-flow.h (updating_used_alone): Prototype.
7739 (recalculate_used_alone): Ditto.
7740 * passes.c (execute_todo): Add code to set updating_used_alone,
7741 and call recalculate.
7742 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7743 for clobber if used alone, and add assert to verify used_alone
7746 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7748 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7749 for non tls symbols added.
7750 (legitimize_address): Do nothing for PLUS expressions if one of the
7751 addends is a tls symbol reference.
7753 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7757 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7759 * Makefile.in (BOOTSTRAPPING): New.
7760 (quickstrap): New definition if BOOTSTRAPPING=yes.
7762 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7763 * configure.ac: Substitute all_selected_languages with the languages
7764 that were configured. For all the other variables except
7765 lang_specs_files, include all the languages in the tree.
7766 * configure: Regenerate.
7768 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7769 if there is one. Run the commands to run fixincludes in the same
7772 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7773 * doc/install.texi: Document exact conventions for searching target tools.
7774 Document --with-build-time-tools. Document toplevel bootstrap. Document
7775 something more about building an Ada cross-compiler. Don't list GNU Make
7776 requirements which affect all platforms.
7778 2006-02-19 Roger Sayle <roger@eyesopen.com>
7781 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7782 only equivalent if the have both the same mode and precision.
7784 2006-02-20 Ben Elliston <bje@au.ibm.com>
7786 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7788 2006-02-19 Roger Sayle <roger@eyesopen.com>
7789 Steven Bosscher <stevenb.gcc@gmail.com>
7791 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7792 constant pool references to identify stack mode constants.
7793 * rtlanal.c (constant_pool_constant_p): New predicate to check
7794 whether operand is a floating point constant in the pool.
7795 * rtl.h (constant_pool_constant_p): Prototype here.
7796 * loop.c (scan_loop): Avoid hoisting constants from the constant
7797 pool on STACK_REGS targets.
7798 (load_mems): Likewise.
7799 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7800 loads into x87 registers expensive in terms of register pressure.
7802 2006-02-19 Roger Sayle <roger@eyesopen.com>
7804 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7805 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7807 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7809 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7810 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7812 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7814 * doc/invoke.texi: Document -fipa-pta.
7815 * common.opt: Add ipa-pta option.
7816 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7817 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7818 (do_ds_constraint): Ditto.
7819 (get_constraint_for): Only add to referenced_vars if
7820 referenced_vars exists.
7821 (insert_into_field_list): Rewrite to do this unsorted.
7822 (insert_into_field_list_sorted): Rename old insert_into_field_list
7824 (create_function_info_for): Use insert_into_field_list_sorted.
7825 (create_variable_info_for): Rewrite so it uses unsorted version,
7826 since the field list is sorted.
7827 (intra_create_variable_infos): Only add to referenced_vars if
7828 referenced_vars exists.
7829 (ipa_pta_execute): Init heapvars, and delete when done.
7830 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7832 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7834 * doc/install.texi: Add missing `@samp'.
7836 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7838 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7841 2006-02-18 Mark Wielaard <mark@klomp.org>
7843 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7844 who added new 4.1 features, bug fixes and integration support.
7846 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7849 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7852 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7854 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7855 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7856 (copy_insn_1): Likewise. Don't copy each field individually.
7858 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7860 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7861 * rtl.c (rtx_size): Rename variable to...
7862 (rtx_code_size): ...this.
7863 (rtx_size): New function.
7864 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7865 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7867 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7868 * rtl.h (rtx_code_size): New variable.
7869 (rtx_size): Change from a variable to a function.
7870 (RTX_SIZE): Rename to...
7871 (RTX_CODE_SIZE): ...this.
7874 PR tree-optimization/17106
7875 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7876 (Anchored Addresses): New section.
7877 * doc/invoke.texi (-fsection-anchors): Document.
7878 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7879 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7880 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7881 * hooks.c (hook_bool_mode_rtx_false): New function.
7882 * hooks.h (hook_bool_mode_rtx_false): Declare.
7883 * gengtype.c (create_optional_field): New function.
7884 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7885 SYMBOL_REF_IN_BLOCK_P is true.
7886 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7887 (min_anchor_offset, max_anchor_offset): Likewise.
7888 (use_anchors_for_symbol_p): New hook.
7889 * toplev.c (compile_file): Call output_object_blocks.
7890 (target_supports_section_anchors_p): New function.
7891 (process_options): Check that -fsection-anchors is only used on
7892 targets that support it and when -funit-at-a-time is in effect.
7893 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7894 if the decl doesn't have one.
7895 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7896 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7897 of force_const_mem through use_anchored_address.
7898 (expand_expr_constant): New function.
7899 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7900 calling expand_expr for INDIRECT_REF.
7901 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7902 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7903 * expr.h (use_anchored_address): Declare.
7904 * loop-unroll.c: Don't declare rtx vectors here.
7905 * explow.c: Include output.h.
7906 (validize_mem): Call use_anchored_address.
7907 (use_anchored_address): New function.
7908 * common.opt (-fsection-anchors): New switch.
7909 * varasm.c (object_block_htab, anchor_labelno): New variables.
7910 (hash_section, object_block_entry_eq, object_block_entry_hash)
7911 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7912 (use_blocks_for_decl_p, change_symbol_section): New functions.
7913 (get_variable_section): New function, split out from assemble_variable.
7914 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7915 use_blocks_for_decl_p say so. Use change_symbol_section if the
7916 symbol has already been created.
7917 (assemble_variable_contents): New function, split out from...
7918 (assemble_variable): ...here. Don't output any code for
7919 block symbols; just pass them to place_block_symbol.
7920 Use get_variable_section and assemble_variable_contents.
7921 (get_constant_alignment, get_constant_section, get_constant_size): New
7922 functions, split from output_constant_def_contents.
7923 (build_constant_desc): Create a block symbol if use_object_blocks_p
7924 says so. Or into SYMBOL_REF_FLAGS.
7925 (assemble_constant_contents): New function, split from...
7926 (output_constant_def_contents): ...here. Don't output any code
7927 for block symbols; just pass them to place_section_symbol.
7928 Use get_constant_section and get_constant_alignment.
7929 (force_const_mem): Create a block symbol if use_object_blocks_p and
7930 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7931 (output_constant_pool_1): Add an explicit alignment argument.
7932 Don't switch sections here.
7933 (output_constant_pool): Adjust call to output_constant_pool_1.
7934 Switch sections here instead. Don't output anything for block symbols;
7935 just pass them to place_block_symbol.
7936 (init_varasm_once): Initialize object_block_htab.
7937 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7938 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7939 (place_block_symbol, get_section_anchor, output_object_block)
7940 (output_object_block_htab, output_object_blocks): New functions.
7941 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7942 (TARGET_ASM_OUT): Include it.
7943 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7944 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7945 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7946 (TARGET_INITIALIZER): Include them.
7947 * rtl.c (rtl_check_failed_block_symbol): New function.
7948 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7949 (block_symbol, object_block): New structures.
7950 (rtx_def): Add a block_symbol field to the union.
7951 (BLOCK_SYMBOL_CHECK): New macro.
7952 (rtl_check_failed_block_symbol): Declare.
7953 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7954 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7955 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7956 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7957 * output.h (output_section_symbols): Declare.
7958 (object_block): Name structure.
7959 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7960 (default_use_anchors_for_symbol_p): Declare.
7961 * Makefile.in (RTL_BASE_H): Add vec.h.
7962 (explow.o): Depend on output.h.
7963 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7964 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7965 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7966 (rs6000_use_blocks_for_constant_p): New function.
7968 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7970 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7972 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7975 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7978 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7980 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7984 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7987 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7988 instead of DECL_REGISTER.
7990 2006-02-18 Olivier Hainque <hainque@adacore.com>
7993 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7995 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7998 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7999 * opth-gen.awk: Handle Var and InverseMask together.
8000 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8001 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8002 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8003 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8005 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8006 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8007 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8008 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8009 LINUX_DYNAMIC_LINKER): Define.
8010 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8011 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8013 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8014 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8015 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8016 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8017 (TARGET_C99_FUNCTIONS): Don't define.
8018 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8019 GLIBC_DYNAMIC_LINKER.
8020 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8021 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8022 GLIBC_DYNAMIC_LINKER64): Define.
8023 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8024 LINUX_DYNAMIC_LINKER64.
8025 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8026 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8027 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8028 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8029 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8030 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8031 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8032 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8033 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8034 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8035 and LINUX_DYNAMIC_LINKER32.
8036 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8037 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8038 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8039 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8040 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8042 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8043 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8044 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8045 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8046 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8047 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8048 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8049 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8050 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8051 LINUX_DYNAMIC_LINKER): Define.
8052 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8053 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8054 GLIBC_DYNAMIC_LINKER64): Define.
8055 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8056 LINUX_DYNAMIC_LINKER64.
8057 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8058 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8059 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8060 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8061 LINUX_DYNAMIC_LINKER): Define.
8062 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8063 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8064 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8065 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8066 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8067 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8068 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8069 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8070 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8071 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8072 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8073 * doc/invoke.texi (-muclibc): Remove caveat about supported
8076 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8078 * doc/cpp.texi (__TIMESTAMP__): Document.
8080 2006-02-17 Roger Sayle <roger@eyesopen.com>
8083 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8084 C is one less than the width of X (and related transformations).
8085 * simplify-rtx.c (simplify_unary_operation_1): Transform
8086 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8087 depending on STORE_FLAG_VALUE, were C is one less then the
8090 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8092 Fix PR tree-optimization/26341
8093 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8094 about NAME_MEMORY_TAG's.
8096 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8099 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8100 with hardware float support, and software float support. Add fcpy
8101 alternative to hardware patterns. Add alternatives to copy between
8102 general and floating-point registers to the 32-bit pattern.
8103 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8104 secondary reload to load a QI or HI mode constant into a floating
8106 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8107 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8109 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8112 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8114 (load_macho_picbase_di): Likewise.
8116 2006-02-16 Jeff Law <law@redhat.com>
8118 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8119 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8120 (ssa_name_nonzero_p): Likewise.
8121 (get_value_range): Return NULL if VRP is not running.
8122 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8123 VRP routines do not discover a range.
8124 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8125 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8126 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8127 (tree_expr_nonnegative_p): Similarly.
8128 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8129 (restore_nonzero_vars_to_original_value): Remove.
8130 (unsafe_associative_fp_binop): Remove.
8131 (tree_ssa_dominator_optimize): Remove initialization and
8132 finalization of nonzero_vars and nonzero_vars_stack.
8133 (dom_opt_initialize_block): No longer push marker on
8135 (dom_opt_finalize_block): No longer call
8136 restore_nonzero_vars_to_original_value.
8137 (record_equivalences_from_phis): No longer look for
8138 nonzero PHI arguments.
8139 (cprop_into_successor_phis): No longer propagate nonzero
8140 property into PHI arguments. Lose unused argument. Caller
8142 (record_equivalences_from_stmt): No longer record nonzero
8143 values for SSA_NAMEs.
8144 (lookup_avail_expr): No longer use nonzero_vars.
8146 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8147 for sizetype when sizetype is unsigned.
8149 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8151 PR rtl-optimization/25603
8152 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8153 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8154 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8155 with new meaning of SETS.
8157 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8162 * config/linux.opt: New file.
8163 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8164 LINUX_DYNAMIC_LINKER): Define.
8165 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8166 * config.gcc (*-*-linux*): Define extra_options.
8167 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8168 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8169 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8170 GLIBC_DYNAMIC_LINKER.
8171 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8172 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8173 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8174 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8175 * doc/invoke.texi (GNU/Linux Options): New section.
8177 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8179 * config/sparc/sparc.md (setjmp): Rewrite.
8180 (setjmp_32): Delete.
8181 (setjmp_64): Likewise.
8183 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8185 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8188 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8190 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8193 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8195 PR rtl-optimization/26296
8196 * Makefile.in (loop-invariant.c): Add except.h dependency.
8197 * loop-invariant.c: Include except.h.
8198 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8200 2005-02-16 Paul Brook <paul@codesourcery.com>
8202 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8205 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8207 PR rtl-optimization/25636
8208 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8209 when deciding whether an insn is an initializing insn.
8211 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8213 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8214 (tree_code_size): Ditto.
8215 * tree.h (struct tree_memory_tag): Remove parent_var.
8216 (struct tree_struct_field_tag): New.
8219 (union tree_node): Add sft member.
8220 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8222 (create_sft): Add size and offset argument, set SFT_OFFSET and
8224 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8225 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8226 * tree-flow-inline.h (get_subvar_at): Update for
8227 SFT_OFFSET/SFT_SIZE.
8228 (var_can_have_subvars): Ditto.
8229 (overlap_subvar): Ditto.
8230 * print-tree.c (print_node): Print out interesting things for
8232 * tree-flow.h (struct subvar): Remove offset and size members.
8233 * tree-ssa-operands.c (get_expr_operands): Update for
8234 get_indirect_ref_operands changes.
8235 (get_indirect_ref_operands): Call add_virtual_operand instead of
8236 add_stmt_operand. Only recurse on base var if requested.
8237 (access_can_touch_variable): New function.
8238 (add_stmt_operand): Split virtual operand handling into ...
8239 (add_virtual_operand): Here. Add offset, size, and for_clobber
8240 arguments. Prune alias sets.
8241 (add_call_clobber_ops): Call add_virtual_operand.
8243 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8246 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8248 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8249 than TREE_CODE as index into omp_clause_num_ops array.
8251 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8253 PR rtl-optimization/26184
8254 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8256 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8257 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8258 must_precede, must_follow and tobe_scheduled.
8261 * opts.c (common_handle_option): Free new_option pointer.
8262 * df-core.c (df_analyze): Free postorder pointer.
8264 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8266 * Makefile.in: Fix the examples about the use of stamps
8268 2006-02-15 Michael Matz <matz@suse.de>
8272 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8273 influenced by maximum_field_alignment or DECL_PACKED.
8274 (update_alignment_for_field): Ditto.
8275 (place_field): Ditto.
8276 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8279 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8281 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8282 (debug_flow_info): Pass it.
8283 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8284 * bb-reorder.c (reorder_basic_blocks): Likewise.
8285 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8286 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8287 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8288 * gcse.c (gcse_main, bypass_jumps): Likewise.
8289 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8290 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8291 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8292 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8293 * rtl.h (dump_flow_info): Adjust prototype.
8294 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8295 * var-tracking.c (variable_tracking_main): Likewise.
8296 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8297 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8300 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8302 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8305 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8307 PR tree-optimization/26209
8308 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8309 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8311 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8313 2006-02-14 Roger Sayle <roger@eyesopen.com>
8316 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8317 (X,Y) and the corresponding symmetry related transformations.
8318 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8319 (X,Y) and its symmetry related transformations.
8321 2006-02-14 Roger Sayle <roger@eyesopen.com>
8323 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8326 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8328 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8330 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8333 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8334 support COMDAT group.
8335 * configure: Regenerate.
8337 2006-02-14 Roger Sayle <roger@eyesopen.com>
8342 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8344 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8346 Fix PR tree-optimization/26260
8348 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8350 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8351 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8352 * tree-ssa-structalias.c (create_variable_info_for): Use
8353 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8355 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8357 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8359 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8360 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8361 of the ending condition.
8362 * tree-ssa-loop-manip.c: Include params.h.
8363 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8364 tree_unroll_loop): New functions.
8365 * tree-pass.h (pass_loop_prefetch): Declare.
8366 * loop.c (rest_of_handle_loop_optimize): Test for
8367 -fprefetch-loop-arrays-rtl.
8368 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8369 * timevar.def (TV_TREE_PREFETCH): New timevar.
8370 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8371 pass_loop_prefetch): New.
8372 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8373 (cleanup_tree_cfg_loop): Call scev_reset.
8374 * common.opt (fprefetch-loop-arrays-rtl): Add.
8375 * tree-ssa-loop-prefetch.c: New file.
8376 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8377 (new_temp_expr_table): Initialize expr_vars.
8378 (free_temp_expr_table): Cleanup expr_vars.
8379 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8380 expressions from being merged into one.
8381 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8382 (struct tree_niter_desc): Add control, bound and cmp fields.
8383 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8385 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8386 (tree-cfgcleanup.o): Add SCEV_H dependency.
8387 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8388 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8390 2006-02-14 Richard Guenther <rguenther@suse.de>
8392 PR tree-optimization/26258
8393 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8394 in PHI argument processing.
8396 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8398 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8399 new expression in the requested machine mode.
8401 2006-02-13 Roger Sayle <roger@eyesopen.com>
8403 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8404 directly, instead let do_compare_rtx_and_jump handle this for us.
8405 * expr.c (expand_expr_real_1): Likewise.
8406 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8407 before do_jump_by_parts_greater.
8408 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8409 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8411 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8413 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8415 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8417 PR rtl-optimization/26235
8418 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8419 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8422 2006-02-13 Jeff Law <law@redhat.com>
8424 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8427 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8430 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8431 twice if decl is a builtin. When trying again, call get_callee_fndecl
8432 first to verify it is still a builtin.
8434 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8436 * dwarf2out.c (base_type_die): Don't add AT_name here.
8437 (subrange_type_die): Don't add AT_name here.
8438 (modified_type_die): Rearrange code flow. Do add AT_name here.
8440 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8442 PR rtl-optimization/26247
8443 PR rtl-optimization/26248
8444 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8446 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8448 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8449 * config/fixtfdi.c: Likewise.
8450 * config/fixunstfdi.c: Likewise.
8451 * config/floatditf.c: Likewise.
8453 2006-02-13 Roger Sayle <roger@eyesopen.com>
8456 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8457 into (X,C2) if C1 is a subset of the bits of C2. Transform
8458 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8460 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8462 2006-02-13 Josh Conner <jconner@apple.com>
8465 * varasm.c (function_section): Check for section name before
8466 calling select_section on targets that define
8467 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8468 unlikely_text_section instead of hot_function_section if
8469 first_function_block_is_cold.
8471 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8474 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8476 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8478 PR rtl-optimization/26222
8479 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8480 after tree->rtl expansion.
8481 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8482 before passing it to emit_move_insn.
8484 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8486 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8488 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8489 Clarify documentation.
8490 * c-common.h (warn_write_strings): Remove.
8491 * c-common.c (warn_write_strings): Likewise.
8492 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8495 2006-02-12 Roger Sayle <roger@eyesopen.com>
8498 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8499 (do_jump_parts_zero_rtx): New function renamed from
8500 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8501 (do_jump_parts_equality_rtx): New function split out from
8502 do_jump_parts_equality. Old implementation renamed as above.
8503 Call do_jump_parts_zero_rtx if either operand is zero.
8504 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8505 do all of the heavy lifting.
8506 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8507 calling either do_jump_by_parts_greater_rtx or
8508 do_jump_by_parts_equality_rtx.
8509 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8510 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8511 moved to do_compare_rtx_and_jump, call it directly.
8512 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8513 mode argument. Call do_compare_rtx_and_jump.
8514 (emit_case_nodes): Update calls to do_jump_if_equal.
8516 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8518 PR rtl-optimization/26225
8519 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8521 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8523 PR rtl-optimization/26232
8524 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8526 2006-02-11 Jason Merrill <jason@redhat.com>
8529 * tree-inline.c (declare_return_variable): Just don't use the
8530 modify target if it's a gimple complex reg and the return slot
8533 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8535 * doc/contrib.texi: Update my entry.
8537 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8539 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8541 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8543 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8546 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8548 * doc/invoke.texi (-floop-optimize2): Removed.
8549 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8550 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8551 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8552 * common.opt (floop-optimize2): Removed.
8553 (fmove-loop-invariants): Enabled by default.
8555 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8557 * tree-if-conv.c (combine_blocks): Free the result of
8558 get_loop_exit_edges.
8560 2006-02-10 Jeff Law <law@redhat.com>
8562 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8564 PR tree-optimization/26213
8565 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8566 loop trying to follow SSA_NAME_VALUE chains.
8568 2006-02-10 Richard Guenther <rguenther@suse.de>
8570 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8571 deal with structures that end in implicitly variable sized arrays.
8573 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8575 PR rtl-optimization/24762
8576 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8579 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8581 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8582 (struct ivopts_data): Add regs_used field.
8583 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8584 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8585 instead of loop_data->regs_used;
8586 (free_loop_data): Do not free aux fields for loops.
8587 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8588 and tree_ssa_iv_optimize_finalize.
8590 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8592 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8594 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8597 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8598 computing the effective result type.
8600 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8603 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8604 (tree_overlaps_hard_reg_set): Declare.
8605 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8606 type and signature to match function type expected by walk_tree.
8607 (tree_overlaps_hard_reg_set): New function.
8608 (decl_conflicts_with_clobbers_p): Rename to:
8609 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8610 Use tree_overlaps_hard_reg_set. Changed caller.
8611 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8612 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8613 * cris.c (cris_md_asm_clobbers): Likewise.
8615 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8617 * reload1.c (emit_input_reload_insns): Delete code that tries to
8618 inherit using find_equiv_reg.
8620 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8622 * c-common.h (flag_const_strings): Don't declare.
8623 * c-common.c (flag_const_strings): Remove.
8624 * c.opt (fconst_strings): Remove.
8625 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8626 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8627 (c_common_init_options): Don't set flag_const_strings.
8628 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8630 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8632 * arm.md (tlobits_cbranch): New pattern.
8633 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8634 testing a single bit.
8636 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8639 * tree-ssa-pre.c (create_component_ref_by_pieces):
8640 Handle RETURN_DECL like VAR_DECL.
8642 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8645 * fold-const.c (fold_indirect_ref_1): Fold
8646 "*(foo *)&complexfoo" to "__real__ complexfoo"
8647 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8649 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8651 * tree-flow-inline.h (var_can_have_subvars):
8652 Volatile variables should not have subvariables.
8654 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8657 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8658 multiplying unsigned values.
8661 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8663 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8665 2006-02-08 Jason Merrill <jason@redhat.com>
8668 * tree.def: Elaborate on difference from MODIFY_EXPR.
8669 * doc/c-tree.texi (INIT_EXPR): Likewise.
8670 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8671 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8672 (gimplify_target_expr): Likewise.
8673 (gimplify_cond_expr): Remove target handling.
8674 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8675 (gimplify_expr): Clobber it here.
8676 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8677 Do return slot optimization if we have an INIT_EXPR.
8680 * tree-inline.c (declare_return_variable): Also clear
8681 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8684 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8687 * gimplify.c (gimplify_one_sizepos): Fix typo.
8689 2006-02-08 Jeff Law <law@redhat.com>
8691 PR tree-optimization/21417
8692 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8693 across a backedge if the control statement at the end of the
8694 block is data dependent on other statements in the same block.
8695 (record_temporary_equivalences_from_stmts): Remove over-conservative
8696 test for threading across backedges.
8698 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8699 control statement, handle all three special cases in the same
8700 manner as they all have the same desired solution. No longer
8701 special case edge flag updating when the post dominator is
8704 2006-02-08 Roger Sayle <roger@eyesopen.com>
8706 * tree.def (CHAR_TYPE): Remove.
8707 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8708 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8709 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8710 (gen_string_type_die): Delete unreachable function.
8712 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8713 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8714 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8715 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8716 * builtins.c (type_to_class): Likewise.
8717 * fold-const.c (fold_convert, build_range_check,
8718 merge_ranges): Likewise.
8719 * expr.c (count_type_elements): Likewise.
8720 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8721 * stor-layout.c (layout_type): Likewise.
8722 * ipa-type-escape.c (type_to_consider): Likewise.
8723 * gimplify.c (omp_firstprivatize_type_sizes,
8724 gimplify_type_sizes): Likewise.
8725 * explow.c (promote_mode): Likewise.
8726 * tree-sra.c (is_sra_scalar_type): Likewise.
8727 * varasm.c (output_constant): Likewise.
8728 * tree-inline.c (remap_type_1): Likewise.
8729 * convert.c (convert_to_pointer, convert_to_real,
8730 convert_to_integer, convert_to_complex): Likewise.
8732 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8734 * df-scan.c (df_def_record_1): A set destination may
8735 be a parallel regardless of mode.
8737 2006-02-08 Roger Sayle <roger@eyesopen.com>
8740 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8741 * config/mips/_tilib.c: Remove.
8742 * config/fixtfdi.c: New libgcc source file.
8743 * config/fixunstfdi.c: New source file.
8744 * config/floatditf.c: New source file.
8745 * config/floatunditf.c: New souce file.
8746 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8747 files above instead of config/mips/_tilib.c.
8748 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8750 2006-02-08 Jeff Law <law@redhat.com>
8752 PR tree-optimization/26169
8753 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8756 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8758 * df.h (DF_REG_SIZE): Return the length of the initialized
8761 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8763 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8764 __muldf3): Return a correctly signed zero.
8766 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8768 * passes.c (register_one_dump_file): Accept the current properties
8769 instead of pass number. Adjust call to dump_register. Remove
8771 (register_dump_files): Now a wrapper around...
8772 (register_dump_files_1): ... this one. Do not modify the pass
8774 (next_pass_1): Cosmetic fix.
8775 (execute_todo): Keep second parameter only. Use curr_properties
8776 instead of fetching it from the pass structure. Check and set
8778 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8779 instead of fetching it from the pass structure. Fix calls to
8780 execute_todo. Update curr_properties and initialize .vcg RTL dump
8781 after running the pass. Reset last_verified.
8782 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8784 (FIRST_AUTO_NUMBERED_DUMP): New.
8785 (dump_register): Remove "num" parameter, assign it within the
8787 (get_dump_file_name): Modify template for dumps.
8788 * tree-dump.h (dump_register): Adjust prototype.
8789 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8790 (PROP_trees): Add PROP_gimple_lomp.
8791 (TODO_set_props): New.
8792 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8793 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8794 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8796 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8798 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8799 (sparc64-*-linux*): Likewise.
8800 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8801 * config/sparc/t-linux: New file.
8802 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8803 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8804 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8805 -m32 -mlong-double-128.
8807 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8808 * config/alpha/t-linux: New file.
8809 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8811 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8812 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8813 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8814 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8815 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8816 (CPP_ARCH32_SPEC): Remove.
8818 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8820 PR tree-optimization/26145
8821 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8824 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8827 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8828 >= 240000 when generating code for SOM runtime.
8829 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8830 to $$dyncall when generating code for SOM runtime..
8832 2006-02-07 Dirk Mueller <dmueller@suse.com>
8835 * doc/invoke.texi (-Wsequence-point): Update documentation
8836 that -Wsequence-point is implemented for C++ as well.
8838 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8840 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8841 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8842 (LIB_SPEC): Likewise.
8843 * doc/invoke.texi (SPARC options): Document -pthread.
8845 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8847 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8850 2006-02-07 Roger Sayle <roger@eyesopen.com>
8852 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8853 Correct comment describing BOOLEAN_TYPE.
8855 2006-02-07 Dirk Mueller <dmueller@suse.com>
8857 * c.opt: C++ frontend supports -Wdiv-by-zero.
8858 * c-opts.c (c_common_handle_option): Remove dead case.
8860 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8862 * configure.ac (TLS assembler check): Do not enable TLS by
8863 default on SPARC/Solaris before version 10.
8864 * configure: Regenerate.
8866 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8868 * doc/invoke.texi (xl-compat): Document conversion and support
8871 2006-02-07 Jeff Law <law@redhat.com>
8873 * tree-vrp.c (find_conditional_asserts): Update comments.
8874 (simplify_stmt_for_jump_threading): New.
8875 (identify_jump_threads, finalize_jump_threads): New.
8876 (vrp_finalize): Call identify_jump_threads.
8877 (execute_vrp): Call finalize_jump_threads.
8878 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8879 (vrp_element, vrp_data, vrp_element_p): Remove.
8880 (vrp_hash_elt, vrp_variables_stack): Remove.
8881 (vrp_hash, vrp_eq, record_range): Remove.
8882 (simplify_cond_and_lookup_avail_expr): Remove.
8883 (extract_range_from_cond): Remove.
8884 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8885 (simplify_stmt_for_jump_threading): New.
8886 (dom_thread_across_edge): New wrapper.
8887 (tree_ssa_dominator_optimize): No longer initialize or
8888 finalize any of the VRP datastructures. Remove iteration
8889 step and simplify as a result of removal of iteration step.
8890 (pass_dominator): Perform a cfg cleanup after DOM.
8891 (dom_opt_finalize_block): Use the new common routines
8892 for threading jumps. Simplify stack management slightly.
8893 No longer need to unwind VRP state.
8894 (record_equivalences_from_incoming_edge): No longer record
8896 (eliminate_redundant_computations): No longer call
8897 simplify_cond_and_lookup_avail_expr.
8898 * tree-flow.h (potentially_threadable_block): Prototype.
8899 (thread_across_edge): Likewise.
8900 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8901 (tree-ssa-threadedge.o): Add dependencies.
8902 * tree-ssa-threadedge.c: New file.
8903 * passes.c (init_optimization_passes): Merge PHIs before
8904 calling VRP. Run VRP again late in the SSA optimization pipeline.
8906 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8908 * df-core.c (df_set_blocks): Do not dereference function pointers.
8909 (df_finish1): Likewise.
8910 (df_hybrid_search_forward): Likewise.
8911 (df_hybrid_search_backward): Likewise.
8912 (df_iterative_dataflow): Likewise.
8913 (df_analyze_problem): Likewise.
8914 (df_compact_blocks): Likewise.
8915 (df_dump): Likewise.
8916 * df-scan.c (df_rescan_blocks): Likewise.
8917 (df_record_entry_block_defs): Likewise.
8919 * genconditions.c (write_conditions): Guard the definition of
8920 'insn_conditions' with the check on GCC version.
8921 (write_writer): Guard the traversal 'insn_conditions' with
8922 the check on GCC version.
8924 2006-02-07 Richard Guenther <rguenther@suse.de>
8928 2006-01-30 Richard Guenther <rguenther@suse.de>
8930 * gimplify.c (gimplify_target_expr): Handle easy cases
8931 without creating a temporary.
8933 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8935 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8936 use of float in probability computations. Use edge probabilities
8937 in place of statically computed probabilities.
8938 (min_spec_prob): New static variable.
8939 (schedule_insns): Initialize it.
8940 (GET_SRC_PROB): Removed.
8941 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8943 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8946 * config/ia64/unwind-ia64.c: Revert last change.
8947 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8948 (INCOMING_FRAME_SP_OFFSET): Define.
8950 2006-02-06 Roger Sayle <roger@eyesopen.com>
8952 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8954 2006-02-07 Ben Elliston <bje@au.ibm.com>
8956 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8957 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8958 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8959 (ix86_return_in_memory): Handle TDmode.
8960 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8961 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8963 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8965 * reorg.c (dbr_schedule): Use dump_file instead of file.
8967 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8970 * config/ia64/predicates.md (extr_len_operand): New predicate.
8971 * config/ia64/ia64.md (extv): Tighten constraints.
8973 (*tbit_and_2): Ditto.
8974 (*tbit_and_3): Ditto.
8975 (*tbit_or_2): Ditto.
8976 (*tbit_or_3): Ditto.
8980 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8983 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8985 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8987 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8988 loop_optimizer_init and loop_optimizer_finalize
8989 * tree-ssa-sink.c (execute_sink_code): Ditto.
8990 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8991 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8992 tree_ssa_loop_done): Ditto.
8993 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8994 * sched-ebb.c: Include output.h.
8995 (schedule_ebbs): Do not use dump argument.
8996 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8997 * loop.c (loop_dump_stream): Removed.
8998 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9000 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9001 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9002 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9003 loop_iterations, strength_reduce, record_biv, record_giv,
9004 final_giv_value, check_final_value, check_ext_dependent_givs,
9005 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9006 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9007 dump_file instead of loop_dump_stream.
9008 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9010 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9012 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9013 * haifa-sched.c: Include output.h
9014 (schedule_insns, sched_init): Do not use dump argument.
9015 * mode-switching.c (optimize_mode_switching): Ditto.
9016 * modulo-sched.c (stats_file): Removed.
9017 (print_node_sched_params): Do not call argument dump_file.
9018 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9019 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9021 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9023 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9024 rtl_loop_init, rtl_loop_done): Ditto.
9025 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9026 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9028 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9029 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9030 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9031 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9032 * emit-rtl.c (renumber_insns): Ditto.
9033 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9034 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9035 * regclass.c (regclass): Ditto.
9036 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9037 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9038 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9039 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9041 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9042 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9044 * gcse.c (gcse_file, debug_stderr): Removed.
9045 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9046 rest_of_handle_gcse): Do not use dump argument.
9047 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9048 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9049 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9050 compute_code_hoist_vbeinout, compute_code_hoist_data,
9051 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9052 compute_store_table, build_store_vectors, insert_insn_start_bb,
9053 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9054 store_motion): Use dump_file instead of gcse_file.
9055 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9056 * profile.c (profile_dump_file): Removed.
9057 (branch_prob): Use dump_file instead of profile_dump_file.
9058 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9060 * tree-ssa-copy.c (dump_copy_of): Ditto.
9061 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9062 dump file to life_analysis.
9063 * bt-load.c (branch_target_load_optimize): Ditto.
9064 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9066 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9067 regclass, dbr_schedule): Declaration changed.
9068 * sched-int.h (sched_init): Declaration changed.
9069 * tree-profile.c (tree_profile_dump_file): Removed.
9070 (tree_profile_hooks): Removed profile_dump_file hook.
9071 * rtl-profile (rtl_profile_dump_file): Removed.
9072 (rtl_profile_hooks): emoved profile_dump_file hook.
9073 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9075 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9076 * tree-cfg.c (build_tree_cfg): Ditto.
9077 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9078 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9079 Declaration changed.
9080 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9081 life_analysis and schedule_insns.
9082 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9084 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9086 * config/mips/mips.c (mips_reorg): Ditto.
9087 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9090 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9092 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9093 (s390_mangle_fundamental_type): New.
9094 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9097 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9098 (alpha_mangle_fundamental_type): New.
9099 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9102 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9104 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9106 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9107 (sparc_mangle_fundamental_type): New.
9109 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9111 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9112 (s390x-*-linux*): Likewise.
9113 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9114 * config/s390/t-linux: New file.
9116 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9118 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9119 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9121 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9123 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9124 (ANTIC_SAFE_LOADS): New macro.
9125 (find_or_generate_expression): Add prototype.
9126 (set_contains_value): Allow null set for sake of not always having
9127 to allocate ANTIC_SAFE_LOADS.
9128 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9129 Allow COMPONENT_REF too.
9130 (valid_in_set): Allow COMPONENT_REF.
9131 Check ANTIC_SAFE_LOADS too.
9132 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9133 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9135 (can_PRE_operation): Add COMPONENT_REF.
9136 (create_component_ref_by_pieces): New function.
9137 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9138 (insert_aux): Move AGGREGATE_TYPE_P check here.
9139 (compute_avail): Set bb local stmt uids.
9140 (pass_pre): Use TODO_update_ssa_only_virtuals.
9142 2006-02-06 Ben Elliston <bje@au.ibm.com>
9144 * configure.ac: Unconditionally disable decimal float by default.
9145 * configure: Regenerate.
9147 2006-02-06 Ben Elliston <bje@au.ibm.com>
9149 * read-rtl.c (read_name): Terminate reading on EOF.
9151 2006-02-06 Ben Elliston <bje@au.ibm.com>
9153 * dfp.c (decimal_real_arithmetic): Change second argument type
9154 from int to enum tree_code. Do not always return true, but now
9155 return result of any call to decimal_do helper functions.
9156 * dfp.h (decimal_real_arithmetic): Update prototype.
9158 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9160 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9162 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9165 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9168 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9170 * tree-vrp.c (cfg_loops): Removed.
9171 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9172 Use current_loops instead of cfg_loops. Pass flags to
9173 loop_optimizer_init.
9174 * cfgloopmanip.c (fix_loop_structure): Update only available
9176 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9177 loop_optimizer_init.
9178 * modulo-sched.c (build_loops_structure): Removed.
9179 (sms_schedule): Use loop_optimizer_init.
9180 * loop-init.c (loop_optimizer_init): Use flags to determine
9181 which properties of loops to prepare.
9182 (rtl_loop_init): Pass flags to loop_optimizer_init.
9183 * tree-ssa-sink.c (execute_sink_code): Ditto.
9184 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9185 * tree-ssa-pre.c (init_pre): Ditto.
9186 * cfgloop.h (LOOPS_NORMAL): New.
9187 (loop_optimizer_init): Declaration changed.
9189 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9191 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9192 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9194 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9196 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9198 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9199 * pa/t-pa64: Delete quadlib.c rule.
9200 * pa/x-ada: Revert last change.
9201 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9203 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9205 PR rtl-optimization/26087
9206 * rtlanal.c (canonicalize_condition): Do not cross basic block
9209 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9212 * config/ia64/ia64.c: Include debug.h.
9213 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9214 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9215 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9216 (process_epilogue, process_set, process_for_unwind_directive):
9217 Output unwind info only if requested. Add CFA info if requested.
9218 Add new arguments as needed. Adjust callers.
9219 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9221 (DWARF2_FRAME_INFO): Define to zero.
9222 * config/ia64/unwind-ia64.c: Remove code that compensated for
9223 the CFA offset error fixed above.
9224 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9225 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9226 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9227 -funwind-tables and -fexceptions to enable frame info.
9228 (dwarf2out_frame_init): Define initial CFA even if
9229 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9230 DWARF2_UNWIND_INFO is nonzero, not just defined.
9231 (dwarf2out_frame_finish): Output non-EH call frame info only
9232 if DWARF2_FRAME_INFO is nonzero.
9233 (convert_cfa_to_loc_list,
9234 compute_frame_pointer_to_cfa_displacement): Define even if
9235 unwind info is not supported.
9236 (gen_subprogram_die): Use the above unconditionally. Remove
9237 legacy alternate code.
9238 * toplev.c (compile_file): Compile in call to
9239 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9240 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9242 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9243 Jakub Jelinek <jakub@redhat.com>
9245 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9246 IBM extended float format long double as "g" on powerpc*-linux.
9248 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9251 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9252 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9254 2006-02-03 Jason Merrill <jason@redhat.com>
9257 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9260 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9261 on the return slot if it's an NRV.
9263 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9265 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9266 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9267 rewrite_use): Do not handle USE_OUTER.
9268 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9269 add_iv_outer_candidates, may_replace_final_value,
9270 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9271 (find_interesting_uses_op): Functionality of
9272 find_interesting_uses_outer_or_nonlin moved here.
9273 (find_interesting_uses_outside): Use find_interesting_uses_op.
9275 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9278 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9280 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9281 Ulrich Weigand <uweigand@de.ibm.com>
9284 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9285 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9286 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9287 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9289 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9290 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9291 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9292 Define secondary reloads for TFmode moves.
9293 (constant_modes): Add TFmode.
9294 (NR_C_MODES): Set to 8.
9295 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9297 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9298 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9299 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9300 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9301 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9302 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9303 (FPR mode macro): Add TFmode.
9304 (DSF mode macro): New.
9305 (<de>, <dee> mode attributes): Removed.
9306 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9307 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9308 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9309 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9310 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9311 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9312 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9313 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9314 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9315 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9316 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9317 "*negabs<mode>2", "sqrt<mode>2"):
9318 Changed <de> to <xde>. R constraint replaced by <Rf>.
9319 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9321 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9322 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9323 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9325 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9326 "extenddftf2", "extendsftf2"): New expanders.
9327 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9328 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9329 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9330 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9332 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9333 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9334 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9335 __floatditf): Add a GCC_4.1.0 symbol version tag.
9336 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9339 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9342 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9343 Use targetm.binds_local_p instead of TREE_PUBLIC.
9345 2006-02-02 Roger Sayle <roger@eyesopen.com>
9347 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9348 on INTEGER_TYPEs to indicate that it denotes a character type.
9349 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9350 signed_char_type_node, unsigned_char_type_node and char_type_node.
9351 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9352 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9353 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9355 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9356 Daniel Berlin <dberlin@dberlin.org>
9358 * tree-tailcall.c (arg_needs_copy_p): New function.
9359 (eliminate_tail_call): Use arg_needs_copy_p.
9360 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9361 (add_virtual_phis): New function.
9363 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9365 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9366 #ignore instead of #scratch for %g7 .register directive.
9368 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9370 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9373 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9375 * flow.c (calculate_global_regs_live): Assert that there aren't any
9378 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9380 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9382 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9383 bsi_after_labels iterator.
9384 * tree-if-conv.c (find_phi_replacement_condition,
9385 replace_phi_with_cond_modify_expr): Likewise.
9386 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9387 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9389 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9391 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9393 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9396 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9397 array after growing it.
9399 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9402 * fold-const.c (fold_checksum_tree): Change type of buf.
9404 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9406 * reload.c (push_secondary_reload): Initialize t_icode.
9408 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9410 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9411 -msoft-float -mlong-double-128 only issue a warning, but don't
9412 swich to DFmode long double.
9414 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9416 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9417 has a constant equivalent, iterate over equivalents for arg0,
9418 calling simplify_relational_operation and if there's a result
9419 cheaper than X, apply fold_rtx and return the result.
9421 2006-02-01 Jan Hubicka <jh@suse.cz>
9423 * opts.c (no_unit_at_a_time_default): New global variable.
9424 (decode_options): Use it.
9425 * opts.h (no_unit_at_a_time_default): Declare.
9427 2006-02-01 Paul Brook <paul@codesourcery.com>
9429 * function.c (assign_parm_setup_reg): Use function argument promotion
9431 * expr.c (expand_expr_real_1): Use function argument promotion rules
9434 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9436 * gcc.c (process_command): Change j to 'unsigned int'.
9438 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9441 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9442 Use the corrected index for the character
9443 out of the string constant.
9445 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9447 * mode-switching.c (optimize_mode_switching): Fix size
9448 allocated for bb_info[n_entities].
9450 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9452 * gcc.c (main): Correct type that is allocated for
9453 explicit_link_files.
9455 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9457 * config/s390/s390.c (init_alignment_context): Set
9458 ALIAS_SET_MEMORY_BARRIER on the MEM.
9459 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9461 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9464 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9466 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9469 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9471 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9472 * regrename.c: Ditto.
9473 * tree-ssa-loop-im.c: Ditto.
9474 * tree-dump.c: Ditto.
9475 * tree-complex.c: Ditto.
9476 * genrecog.c: Ditto.
9477 * tree-ssa-threadupdate.c: Ditto.
9479 * java/class.c: Ditto.
9480 * java/jcf-parse.c: Ditto.
9481 * java/resource.c: Ditto.
9482 * java/except.c: Ditto.
9483 * java/jvspec.c: Ditto.
9484 * java/jcf-write.c: Ditto.
9485 * java/jcf-path.c: Ditto.
9486 * java/gjavah.c: Ditto.
9487 * java/zextract.c: Ditto.
9488 * java/jcf-io.c: Ditto.
9489 * java/jcf.h: Ditto.
9490 * java/buffer.c: Ditto.
9491 * java/lang.c: Ditto.
9492 * java/parse-scan.y: Ditto.
9493 * java/lex.c: Ditto.
9494 * java/lex.h: Ditto.
9495 * cfgloopmanip.c: Ditto.
9496 * postreload-gcse.c: Ditto.
9497 * tree-ssa-loop-manip.c: Ditto.
9498 * postreload.c: Ditto.
9499 * tree-ssa-loop-ch.c: Ditto.
9503 * diagnostic.c: Ditto.
9505 * genoutput.c: Ditto.
9507 * cfghooks.c: Ditto.
9508 * cfgloopanal.c: Ditto.
9509 * objc/objc-act.c: Ditto.
9511 * genextract.c: Ditto.
9512 * genautomata.c: Ditto.
9513 * pretty-print.c: Ditto.
9515 * cgraphunit.c: Ditto.
9518 * haifa-sched.c: Ditto.
9519 * dominance.c: Ditto.
9521 * tree-ssa-loop-ivopts.c: Ditto.
9523 * mode-switching.c: Ditto.
9524 * modulo-sched.c: Ditto.
9526 * ipa-pure-const.c: Ditto.
9528 * fix-header.c: Ditto.
9530 * tree-stdarg.c: Ditto.
9531 * ipa-utils.c: Ditto.
9532 * loop-init.c: Ditto.
9533 * ipa-inline.c: Ditto.
9536 * alloc-pool.c: Ditto.
9537 * dwarf2out.c: Ditto.
9539 * genattrtab.c: Ditto.
9540 * tree-ssa-loop-ivcanon.c: Ditto.
9544 * fortran/gfortranspec.c: Ditto.
9546 * local-alloc.c: Ditto.
9547 * langhooks.c: Ditto.
9548 * function.c: Ditto.
9549 * tree-vectorizer.c: Ditto.
9551 * ipa-type-escape.c: Ditto.
9553 * tree-if-conv.c: Ditto.
9556 * tree-data-ref.c: Ditto.
9557 * loop-unroll.c: Ditto.
9558 * treelang/treetree.c: Ditto.
9561 * ggc-common.c: Ditto.
9563 * coverage.c: Ditto.
9565 * tree-cfgcleanup.c: Ditto.
9566 * tree-ssa-pre.c: Ditto.
9567 * cfgcleanup.c: Ditto.
9568 * loop-invariant.c: Ditto.
9570 * ipa-prop.c: Ditto.
9571 * print-tree.c: Ditto.
9572 * conflict.c: Ditto.
9573 * ggc-page.c: Ditto.
9574 * sched-deps.c: Ditto.
9575 * regclass.c: Ditto.
9576 * tree-object-size.c: Ditto.
9578 * bb-reorder.c: Ditto.
9579 * resource.c: Ditto.
9580 * var-tracking.c: Ditto.
9582 * df-problems.c: Ditto.
9583 * reg-stack.c: Ditto.
9586 * sched-rgn.c: Ditto.
9587 * tree-ssa-structalias.c: Ditto.
9588 * tree-ssa-reassoc.c: Ditto.
9589 * config/darwin-c.c: Ditto.
9590 * config/darwin.c: Ditto.
9591 * config/arm/arm.c: Ditto.
9593 * collect2.c: Ditto.
9596 2006-01-31 Nicolas Pitre <nico@cam.org>
9598 * arm.md (smaxsi3): Make aware of smax_m1.
9601 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9603 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9605 2006-01-31 Richard Guenther <rguenther@suse.de>
9607 * doc/invoke.texi (-msselibm): Document.
9608 * target.h (expand_library_builtin): New target hook.
9609 * builtins.c (expand_builtin): Use expand_library_builtin.
9610 (default_expand_library_builtin): New function.
9611 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9612 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9613 (link_gcc_math_spec): Declare.
9614 (static_specs): Add link_gcc_math_spec.
9615 * expr.h (default_expand_library_builtin): Declare.
9616 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9617 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9618 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9619 * config/i386/i386.opt (msselibm): New target option.
9620 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9621 (ix86_init_sse_abi_builtins): New function.
9622 (ix86_expand_library_builtin): Likewise.
9623 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9624 (override_options): Handle error conditions wrt -msselibm.
9625 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9626 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9627 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9630 2006-01-31 Richard Guenther <rguenther@suse.de>
9631 Paolo Bonzini <bonzini@gnu.org>
9633 * doc/install.texi (--disable-libgcc-math): Document.
9635 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9637 * expr.h (expand_normal): new inline function.
9638 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9640 * dwarf2out.c: use it.
9645 * config/sparc/sparc.c: use it.
9646 * config/i386/i386.c: use it.
9647 * config/rs6000/rs6000.c: use it.
9648 * config/arm/arm.c: use it.
9649 * config/mips/mips.c: use it.
9650 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9652 2006-01-30 Roger Sayle <roger@eyesopen.com>
9654 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9655 argv to the appropriate type.
9657 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9659 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9662 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9665 * config/s390/s390.c (struct machine_function): New flag
9666 decomposed_literal_pool_addresses_ok_p.
9667 (s390_reorg): Set it before final stage of literal pool transforms.
9668 (s390_decompose_address): Only accept displacements of the form
9669 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9671 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9673 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9674 the comparison routine return.
9676 2006-01-30 Michael Matz <matz@suse.de>
9678 * global.c (find_reg): Only evict for global regs.
9679 Take n_refs into account and dump more info.
9681 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9684 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9685 (pragma_trap, pragma_nosave_low_regs): Likewise.
9686 (current_function_anonymous_args): Likewise.
9687 (sh_deferred_function_attributes): New variable.
9688 (sh_deferred_function_attributes_tail): Likewise.
9689 (print_operand): For '@', look up trap_exit attribute.
9690 (calc_live_regs): Look up trapa_handler attribute. For trapa
9691 handlers, save/restore fpscr, but don't do any other
9692 interrupt-specific saves.
9693 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9694 Fix check for partially saved registers to check for SHmedia.
9695 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9696 (sh_output_function_epilogue): Don't clear any of the removed
9698 (sh_insert_attributes): Don't check pragma_interrupt.
9699 Insert deferred attributes. Check that interrupt attribute is
9700 present for other attributes that require its presence.
9701 (sh_attribute_table): Add new attributes trapa_handler and
9703 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9704 Don't check for pragma_interrupt. Don't store argument.
9705 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9706 (sh_deferred_function_attributes): Declare.
9707 (sh_deferred_function_attributes_tail): Likewise.
9708 * sh.md (sp_switch_1): Add operand. Change generator caller.
9709 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9710 (*return_i): Don't use when trap_exit attribute is in effect.
9711 (*return_trapa): New insn pattern.
9713 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9714 setting c_target_objs and cxx_target_objs.
9715 * t-sh: Add rule for sh-c.o.
9717 2006-01-30 Richard Guenther <rguenther@suse.de>
9720 * gimplify.c (gimplify_target_expr): Handle easy cases
9721 without creating a temporary.
9723 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9725 * vec.h (safe_grow): Remove duplicated line.
9727 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9730 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9731 (expand_omp): ... here.
9732 (expand_omp_parallel): Only remove barriers for combined
9733 parallel+workshare constructs.
9735 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9739 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9740 * tree.c (build_qualified_type): Chain the new type to the original
9741 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9742 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9743 (build_pointer_type_for_mode): Only return unqualified types.
9744 (build_reference_type_for_mode): Likewise.
9746 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9748 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9749 * Makefile.in (CXX_COMPAT_WARN): Define.
9750 * configure: Regenerate.
9752 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9755 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9758 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9760 * toplev.c: Fix thinko.
9762 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9763 Marcin Dalecki <martin@dalecki.de>
9765 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9766 (push_srcloc): Use XNEW.
9767 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9769 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9771 * df-core.c (df_set_blocks): Deleted all variable.
9773 2006-01-28 Ian Lance Taylor <ian@airs.com>
9775 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9776 cgraph_output_pending_asms.
9778 2006-01-28 Zack Weinberg <zackw@panix.com>
9780 * c.opt: Add -W(no-)overlength-strings.
9781 * doc/invoke.texi: Document it.
9782 * c-opts.c (c_common_handle_option): -pedantic implies
9783 -Woverlength-strings, if not explicitly disabled already.
9784 (c_common_post_options): -Woverlength-strings defaults to off, and
9785 is always off for C++.
9786 * c-common.c (fix_string_type): Issue warning about strings longer
9787 than is portable only if warn_overlength_strings. Rearrange code
9788 a little for clarity.
9789 * configure.in: Check for -Wno-overlength-strings as well before
9790 enabling -pedantic in stage 1.
9791 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9792 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9794 * genconditions.c (write_header, write_one_condition)
9795 (write_conditions, write_writer): Consolidate very long strings
9796 that were broken up to fit in C89 portable limit. Don't use
9797 printf when fputs will do.
9799 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9801 * combine.c (simplify_comparison <AND>): Check
9802 TRULY_NOOP_TRUNCATION before start using a subreg.
9804 * config/mips/mips.md (*branch_zero<mode>,
9805 *branch_zero<mode>_inverted, *branch_equality<mode>,
9806 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9807 Remove mode check from comparisons.
9809 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9811 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9813 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9815 * expmed.c (const_mult_add_overflow_p): Remove.
9816 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9818 * recog.c (validate_replace_rtx_subexp): Remove.
9819 * recog.h: Remove the prototype for
9820 validate_replace_rtx_subexp.
9822 * integrate.h: Remove the prototype for
9823 copy_decl_for_inlining.
9824 * rtl.h: Remove the prototype for mark_constant_function.
9825 * tree-vectorizer.h: Remove the prototype for
9826 vect_strip_conversion.
9828 * modulo-sched.c (create_partial_schedule,
9829 free_partial_schedule, reset_partial_schedule): Make them
9832 * hooks.c (hook_bool_rtx_int_false): Remove.
9833 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9835 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9837 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9838 and -mlong-double-128 are incompatible.
9839 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9840 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9841 (TARGET_LIBGCC2_CFLAGS): Define.
9842 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9843 (TARGET_LIBGCC2_CFLAGS): Same.
9844 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9846 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9849 * c-typeck.c (build_binary_op): Perform implicit casts of
9850 operands before shortening them.
9852 * cfgloopmanip.c (split_loop_bb): Remove.
9853 * cfgloop.h: Remove the prototype for split_loop_bb.
9855 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9856 * cfgloop.h: Remove the prototype for
9857 flow_loop_outside_edge_p.
9859 * emit-rtl.c (init_virtual_regs): Make it static.
9860 * function.h: Remove the prototype for init_virtual_regs.
9862 * recog.c (peephole2_optimize): Make it static.
9863 * recog.h: Remove the prototype for peephole2_optimize.
9865 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9867 * df-scan.c (df_record_entry_block_defs): Check if
9868 INCOMING_RETURN_ADDR_RTX is defined.
9870 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9871 Kenneth Zadeck <zadeck@naturalbridge.com>
9873 PR rtl-optimization/24762
9874 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9875 * targhooks.c (hook_void_bitmap): New hook prototype.
9876 * targhoohs.h (hook_void_bitmap): Ditto.
9877 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9878 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9879 * target.h (live_on_entry): New function pointer.
9880 * df-scan.c (df_all_hard_regs): Removed.
9881 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9882 (df_scan_free_internal): Added df->entry_block_defs.
9883 (df_scan_alloc): Ditto.
9884 (df_scan_dump): Ditto.
9885 (df_uses_record): Plumbed flag field properly thru calls.
9886 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9887 This part fixes PR24762.
9888 (df_bb_refs_record): Added code to make the frame and arg
9889 pointers live in EH blocks.
9890 (df_refs_record): Added call to df_record_entry_block_defs.
9891 (df_record_entry_block_defs): New function.
9892 * df-core.c: Added comments to describe new artifical defs.
9893 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9894 (entry_block_defs): New field in struct df.
9895 (df_all_hard_regs): Deleted.
9896 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9897 * df-problems.c (df_ru_bb_local_compute_process_def):
9898 Added code to handle artifical defs in the entry to a function.
9899 (df_ru_bb_local_compute): Ditto.
9900 (df_rd_bb_local_compute_process_def): Ditto.
9901 (df_rd_bb_local_compute): Ditto.
9902 (df_lr_bb_local_compute): Ditto.
9903 (df_ur_bb_local_compute): Ditto.
9904 (df_urec_bb_local_compute): Ditto.
9905 (df_chain_create_bb): Ditto.
9906 (df_ur_local_finalize): Removed entry.
9907 (df_urec_init): Ditto.
9908 (df_urec_local_finalize): Ditto.
9909 (df_ri_bb_compute): Added detection of last use of pseudos.
9910 * Makefile.in (df-scan.o): Updated dependencies.
9911 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9912 * config/mips/mips.c (mips_set_live_on_entry): Added.
9913 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9915 * dce.c (marked_insn_p): Added code to handle artifical defs.
9917 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9919 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9921 (_mm_cvtsi128_si64): Likewise.
9922 (_mm_cvtsd_si64): Likewise.
9923 (_mm_cvttsd_si64): Likewise.
9924 (_mm_cvtsi64_sd): Likewise.
9925 (_mm_cvtsi64_si128): Likewise.
9926 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9927 (_mm_cvtsi64_m64): Likewise.
9928 (_m_to_int64): Likewise.
9929 (_mm_cvtm64_si64): Likewise.
9930 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9931 (_mm_cvttss_si64): Likewise.
9932 (_mm_cvtsi64_ss): Likewise.
9933 (_mm_cvtss_f32): Likewise.
9935 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9937 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9938 for pragma redefine_extname.
9940 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9943 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9944 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9945 -mno-minimal-toc to previous content.
9946 (bispecs): Remove goal.
9947 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9948 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9949 compatibility aliases on powerpc-*-*gnu*.
9950 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9951 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9952 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9953 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9954 (ldblspecs): New goal.
9955 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9956 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9958 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9959 L_sf_to_tf or L_df_to_tf is defined.
9961 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9962 Alan Modra <amodra@bigpond.net.au>
9965 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9966 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9967 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9968 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9969 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9970 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9971 (rs6000_override_options): Initialize rs6000_ieeequad.
9972 Initialize TFmode format to ibm_extended_format if not
9974 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9976 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9977 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9978 (function_arg_advance): IBM long double passed in two FPRs, not
9980 (function_arg): IBM long double passed in FPRs.
9981 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9982 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9983 Only multireg GPR aligned.
9984 (rs6000_init_libfuncs): Enable IBM long double functions if not
9986 (rs6000_generate_compare): Use IBM long double compare if not
9988 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9989 (TARGET_IEEEQUAD): Define.
9990 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9991 not TARGET_IEEEQUAD.
9992 * config/rs6000/rs6000.md: Enable TFmode patterns if
9994 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9995 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9996 and -mlong-double-128 are incompatible.
9997 * doc/invoke.texi (-mabi): Collect options together. Add
9998 ibmlongdouble and ieeelongdouble.
10000 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10002 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10004 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10005 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10006 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10007 * rtl.h (rtunion_def): Remove rt_ptr.
10009 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10010 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10011 * config/i386/winnt.c (i386_pe_mark_dllexport)
10012 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10014 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10016 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10018 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10022 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10023 pthread_key_delete. From John David Anglin. gthrw-ify
10024 pthread_getunique_np only if it it's not a macro. Delete
10026 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10027 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10028 __gthread_objc_condition_signal, __gthread_key_delete): Add
10029 "__attribute__ ((__unused__))" to unused arguments.
10030 (__gthread_recursive_mutex_init_function): Add missing return.
10031 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10032 gthr-posix95.h: Use macro-based approach for name redirection
10033 on targets missing weakref.
10035 2006-01-26 Zack Weinberg <zackw@panix.com>
10037 * genconditions.c (write_header): In generated code, #ifdef out
10038 all includes and fake declarations, except includes of bconfig.h
10039 and system.h, unless GCC_VERSION >= 3001. Do not include
10040 gensupport.h in any case.
10041 (write_conditions): Generate a definition of struct c_test. Add
10042 a comment to the generated #endif.
10043 (write_one_condition): Escape backslashes in string too.
10044 (write_writer): Generated code must escape backslashes and quote
10045 marks (but not newlines) in the strings it writes.
10046 * Makefile.in (build/gencondmd.o): Update dependencies.
10048 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10051 * Makefile.in (insn-automata.o): Add header file dependencies.
10052 * genautomata.c: Add includes.
10054 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10057 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10059 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10061 * configure.ac: Expect target tools paths to be passed from the toplevel
10062 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10064 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10066 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10069 * c.opt (Wpointer-sign): Init to -1.
10070 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10071 OPT_pedantic, to 0 otherwise.
10072 * doc/invoke.texi: Update.
10074 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10076 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10077 constants provided by 80387 instructions in the destination mode.
10079 2006-01-26 Richard Guenther <rguenther@suse.de>
10080 Andrew Pinski <pinskia@physics.uc.edu>
10083 partial PR tree-opt/17064
10084 * tree-ssa-structalias.c (intra_create_variable_infos):
10085 Create heap variables for incoming parameters if
10086 flag_argument_noalias > 1.
10087 (find_what_p_points_to): Look through default defs of
10090 2006-01-26 Jeff Law <law@redhat.com>
10093 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10094 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10095 within the VR_RANGE, use the VR_RANGE as the result, not the
10097 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10098 bounds for the type.
10100 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10102 * tree-ssa-alias.c (maybe_create_global_var): Change
10103 subvar walking to an assertion that we don't have subvar'd variables.
10105 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10108 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10109 Use a new variable, inner. PARM_DECLs are always non-weak.
10111 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10113 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10114 --disable-checking.
10116 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10118 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10120 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10122 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10123 (smax_insn, smin_insn, smax_0, smin_0): New.
10125 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10128 * config/cris/cris.c (cris_order_for_addsi3): New function.
10129 * config/cris/cris-protos.h: Prototype it.
10130 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10131 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10132 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10133 (split for "op.S1 [rx=rx+i],ry (swapped)")
10134 (split for "op(s|u).S1 [rx=rx+i],ry")
10135 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10136 Apply cris_order_for_addsi3 when generating addsi3 insns.
10138 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10140 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10141 (TREE_BLOCK): Add call to EXPR_CHECK.
10143 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10146 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10147 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10148 (dump_omp_clauses): ... here.
10149 (dump_generic_node): Handle OMP_CLAUSE.
10150 * tree.c (omp_clause_num_ops): New.
10151 (omp_clause_code_name): New.
10152 (tree_code_size): Handle OMP_CLAUSE.
10153 (tree_size): Likewise.
10154 (make_node): Document handling of OMP_CLAUSE.
10155 (tree_node_structure): Handle OMP_CLAUSE.
10156 (omp_clause_check_failed): New.
10157 (omp_clause_range_check_failed): New.
10158 (omp_clause_operand_check_failed): New.
10159 (build_omp_clause): New.
10160 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10161 * tree.h (enum omp_clause_code): Declare.
10162 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10163 (OMP_CLAUSE_RANGE_CHECK): Define.
10164 (OMP_CLAUSE_ELT_CHECK): Define.
10165 (omp_clause_check_failed): Declare.
10166 (omp_clause_operand_check_failed): Declare.
10167 (omp_clause_range_check_failed): Declare.
10168 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10169 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10170 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10171 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10172 (OMP_CLAUSE_IF_EXPR): Likewise.
10173 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10174 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10175 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10176 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10177 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10178 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10179 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10180 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10181 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10182 (OMP_CLAUSE_CODE): Define.
10183 (OMP_CLAUSE_SET_CODE): Define.
10184 (OMP_CLAUSE_CODE): Define.
10185 (OMP_CLAUSE_OPERAND): Define.
10186 (struct tree_omp_clause): Declare.
10187 (union tree_node): Add field 'omp_clause'.
10188 * treestruct.def (TS_OMP_CLAUSE): Define.
10189 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10190 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10191 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10192 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10193 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10194 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10195 (OMP_CLAUSE): Define.
10196 * print-tree.c (print_node): Handle OMP_CLAUSE.
10197 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10198 * c-typeck.c: Likewise.
10199 * gimplify.c: Likewise.
10200 * c-omp.c: Likewise.
10201 * tree-nested.c: Likewise.
10202 * tree-inline.c: Likewise.
10203 * c-parser.c: Likewise.
10204 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10207 2006-01-25 Roger Sayle <roger@eyesopen.com>
10209 PR rtl-optimization/25703
10210 * combine.c (try_combine): Handle zero_extract and strict_low_part
10211 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10213 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10215 * global.c: Fix comment typos.
10217 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10220 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10221 Use output_addr_const instead of assemble_name.
10223 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10225 * Makefile.in (sched-vis.o): Update dependencies.
10226 * haifa-sched.c (sched_finish): Clear current_sched_info.
10227 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10228 (dump_flow_info): Call it.
10229 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10231 * basic-block.h (dump_bb_info): Declare.
10232 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10233 option, and apply options only for dump files whose TDF_RTL,
10234 TDF_TREE, or TDF_IPA bits match.
10235 * rtl.h: Declare new functions exported from sched-vis.c.
10236 * sched-vis.c: Enable also if scheduling is not used.
10237 (print_value): Print the mode of registers if not inside scheduling.
10238 (print_insn): Make it work outside the scheduler. Beautify the output
10240 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10242 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10244 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10245 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10246 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10247 depending on the value of CONSTANT_POOL_ADDRESS_P.
10248 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10250 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10251 rather than SYMBOL_REF_DECL.
10252 (rtx_constant_pool): Remove const_rtx_sym_htab.
10253 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10254 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10255 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10256 Remove handling of const_rtx_sym_htab.
10257 (find_pool_constant): Delete.
10258 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10259 rather than find_pool_constant.
10260 (get_pool_constant_for_function): Delete.
10261 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10262 find_pool_constant.
10263 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10264 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10265 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10266 (SYMBOL_REF_CONSTANT): New macro.
10267 (get_pool_constant_for_function): Delete.
10268 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10269 rather than SYMBOL_REF_DECL.
10270 (i386_pe_mark_dllimport): Likewise.
10271 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10272 rather than SYMBOL_REF_DECL.
10273 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10274 (machopic_indirect_call_target): Likewise.
10276 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10278 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10280 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10282 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10284 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10286 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10288 2006-01-24 David Daney <ddaney@avtrex.com>
10291 * configure.ac (enable_tls): New enable option.
10292 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10293 * configure: Regenerate.
10294 * doc/install.texi (--enable-tls): Document new option.
10295 (--disable-tls): Ditto.
10297 2006-01-24 Richard Henderson <rth@redehat.com>
10299 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10300 * alias.c (true_dependence): Respect it.
10301 (canon_true_dependence, write_dependence_p): Likewise.
10302 * builtins.c (get_builtin_sync_mem): Set it.
10304 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10306 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10309 2006-01-24 DJ Delorie <dj@redhat.com>
10311 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10312 for storing constants in single-bit bitfields.
10314 2006-01-25 Ben Elliston <bje@au.ibm.com>
10316 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10318 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10321 * tree-ssa-pre.c (phi_translate): Return NULL
10322 for AGGREGATE_TYPE's.
10324 2006-01-24 Zack Weinberg <zackw@panix.com>
10326 * genautomata.c (process_state_for_insn_equiv_partition):
10327 Use xcalloc for insn_arcs_array.
10328 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10329 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10331 2006-01-24 Richard Henderson <rth@redhat.com>
10333 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10334 update all callers.
10336 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10338 PR rtl-optimization/25890
10339 PR rtl-optimization/25905
10340 * combine.c (expand_compound_operation, expand_field_assignment):
10341 Fail if the bitfield's final position is out of bounds.
10343 2006-01-24 Ian Lance Taylor <ian@airs.com>
10345 PR middle-end/25930
10346 * cgraphunit.c (cgraph_output_in_order): Don't clear
10347 cgraph_asm_nodes until after asm strings have been output.
10349 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10351 * fix-header.c (read_scan_file): Add new parameter imultilib when
10352 calling register_include_chains.
10354 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10356 * omp-low.c: Update documentation.
10358 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10359 Daniel Berlin <dberlin@dberlin.org>
10363 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10364 return from the function.
10366 2006-01-22 Zack Weinberg <zackw@panix.com>
10368 * rtl.def (match_code): Add second argument.
10369 * genpreds.c (write_extract_subexp): New function.
10370 (write_match_code): Add path argument. Use write_extract_subexp.
10371 (write_predicate_expr): Pass path to write_match_code.
10372 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10373 not perform a mode test.
10374 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10375 a subexpression does not constrain the top-level code set.
10376 * read-rtl.c (read_rtx_variadic): New function.
10377 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10378 * doc/md.texi: Document new notation.
10379 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10380 (cmpsi_operand): ... here, using new notation.
10382 2006-01-22 Zack Weinberg <zackw@panix.com>
10384 * varray.c: Remove GENERATOR_FILE #ifdefs.
10386 2006-01-22 Zack Weinberg <zackw@panix.com>
10388 * genautomata.c (output_reserved_units_table): Emit nothing if
10389 description->query_units_num is zero. Remove extra blank line.
10390 (output_cpu_unit_reservation_p): Short circuit
10391 if description->query_units_num is zero.
10393 2006-01-22 Zack Weinberg <zackw@panix.com>
10395 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10396 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10397 nor any of the random handful of variables that used to be necessary
10398 when this program was linked with rtlanal.o. Prune set of forward
10399 function declarations.
10400 (struct attr_desc): Remove static_p field.
10401 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10402 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10403 (attr_string): Do not read the character one past the length of
10405 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10406 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10407 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10408 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10409 (make_automaton_attrs): New.
10410 (main): Do not call into genautomata. Call local gen_bypass
10411 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10412 Remove special case for insn_alts.
10413 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10414 varray.h (leftover from previous change). Prune set of forward
10415 function declarations. Remove state_alts fields from all
10416 structures. Remove state_alts_table from struct automaton.
10417 Make everything except main static. Do not maintain num_dfa_decls.
10418 Do not maintain state_alts fields of various structures.
10419 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10420 (add_arc): Remove state_alts argument. All callers updated.
10421 (output_reserved_units_table): Emit #ifdef here...
10422 (output_tables): ...not here. Don't generate state_alts tables.
10423 (expand_automata): Don't generate attributes.
10424 (write_automata): Don't generate state_alts functions.
10425 (main): New function.
10426 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10427 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10428 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10429 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10430 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10431 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10432 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10433 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10435 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10436 * genattrtab.h: Delete file.
10437 * Makefile.in (OBJS-common): Add insn-automata.o.
10438 (insn-automata.o): New rule.
10439 (simple_generated_c): Add insn-automata.c.
10440 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10441 (genprogmd): Add automata.
10442 (build/genattrtab): Needs no extra objects nor libraries.
10443 (build/genautomata): Needs build/vec.o and -lm.
10445 2006-01-22 Zack Weinberg <zackw@panix.com>
10447 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10448 (output_dfa_max_issue_rate, locked_states_num): Delete.
10449 (struct automaton): Add locked_states field.
10450 (output_dead_lock_vect): Save number of locked states in
10451 automaton->locked_states. If it is zero, don't print anything.
10452 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10453 (output_internal_dead_lock_func): Only test the dead_lock_vect
10454 for automata that have locked states.
10455 (output_statistics): Always print the number of locked states for
10456 each automaton. Calculate total number of locked states here.
10457 (write_automata): Don't call output_dfa_max_issue_rate.
10458 * genattrtab.c: Define length_unit_log as a const variable.
10459 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10460 max_insn_queue_index const.
10461 * final.c (length_unit_log): Declare const.
10462 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10464 2006-01-22 Zack Weinberg <zackw@panix.com>
10466 * genautomata.c: Include vec.h, not varray.h.
10467 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10468 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10469 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10470 VEC_* macros operating on appropriately typed vectors, or to
10471 malloced arrays when the size is known in advance. Const-ify
10472 many char* variables and function arguments. No functional changes.
10473 * Makefile.in (build/varray.o): Delete rule.
10474 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10475 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10477 2006-01-22 Zack Weinberg <zackw@panix.com>
10479 * gensupport.c: Define get_insn_name and record_insn_name here.
10480 (read_md_rtx): Call record_insn_name as appropriate.
10481 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10482 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10483 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10485 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10486 (BUILD_VARRAY): Delete.
10487 (genprognormal): Rename genprogmd. Fold in all programs from
10488 genprognoprint; also attrtab.
10489 (build/genattrtab): Just mention genautomata.o and varray.o.
10490 Reorganize a bit, add comments to make the categories clearer.
10492 2006-01-22 Zack Weinberg <zackw@panix.com>
10494 * genconditions.c (condition_table, add_condition): Delete.
10495 (write_conditions): Don't emit n_insn_conditions nor
10496 insn_elision_unavailable. Issue the gcc version #ifdef here,
10497 inside the table, with no #else clause ...
10498 (write_header): ...not here.
10499 (write_writer): New function.
10500 (main): Don't initialize condition_table. Use add_c_test.
10502 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10503 files on the command line.
10504 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10505 Return -1 if there is no entry in the table, don't abort.
10506 (add_c_test, traverse_c_tests): New functions.
10507 * gensupport.h (insn_elision_unavailable, insn_conditions)
10508 (n_insn_conditions): Delete declarations.
10509 (add_c_test, traverse_c_tests): Declare.
10510 * read-rtl.c: Include gensupport.h.
10511 (read_conditions): New function.
10512 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10513 (read_rtx_1): If we get EOF when we were looking for an initial
10514 open paren, return 0. Call read_conditions when appropriate.
10515 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10516 dummy-conditions.o. Eliminate references to insn-conditions.o,
10517 or change them to build/gencondmd.o, as appropriate. Remove
10518 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10519 from $(simple_generated_c). For all files remaining in those
10520 two lists, add insn-conditions.md to the generator command line.
10521 Give insn-constants.h/s-constants their own rules. Add rules
10522 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10523 (build/read-rtl.o): Depend on gensupport.h.
10524 (genprognormal): Include preds.
10525 (genprogearly): Rename genprognoprint; only difference is now that
10526 they don't link with $(BUILD_PRINT).
10527 * dummy-conditions.c: Delete.
10529 2006-01-22 Zack Weinberg <zackw@panix.com>
10531 * genextract.c: Don't include insn-config.h. Do include vec.h.
10532 Declare vectors of int, char, and locstr.
10533 (locstr): New typedef.
10534 (struct extraction): Make all array fields into bare pointers.
10535 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10536 (insn_code_number): Delete.
10537 (accum_extract): New struct.
10538 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10539 (gen_insn): Take insn_code_number as an argument. Use an
10540 accum_extract structure instead of loading data directly into
10541 a struct extraction, and having to know how big it might get.
10542 (walk_rtx): Operate entirely on an accum_extract structure.
10543 (print_path): Avoid unnecessary use of printf.
10544 (print_header): New function, split out of main. Distinguish
10545 more carefully between an unrecognizable insn and an insn that
10546 has the code number of a define_expand.
10547 (main): Pass insn_code_number to gen_insn. Call print_header
10548 only after parsing. Avoid unnecessary use of printf.
10549 * Makefile.in (build/vec.o): New rule.
10550 (build/genextract): Depend on build/vec.o.
10551 (build/genextract.o): Don't depend on insn-config.h.
10553 2006-01-22 Zack Weinberg <zackw@panix.com>
10555 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10556 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10557 practical. Eliminate per-generator-program link rules.
10559 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10561 PR middle-end/24437
10562 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10563 with a call expr to ...
10564 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10566 2006-01-23 Richard Guenther <rguenther@suse.de>
10568 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10569 before make_edge with conditional EDGE_TRUE_VALUE.
10571 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10572 Jan Hubicka <jh@suse.cz>
10573 Richard Guenther <rguenther@suse.de>
10575 PR rtl-optimization/25654
10576 * cfgexpand.c (aggregate_contains_union_type): New function.
10577 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10578 for structure variables that contain a union type.
10580 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10582 * gengtype.c (new_structure): Return the structure.
10583 (create_option): Add an extra "next" argument.
10584 (create_field): New function.
10585 (adjust_field_rtx_def): Use create_option and create_field.
10586 Remove a now-unnecessary call to find_structure.
10587 (adjust_field_tree_def): Likewise.
10588 (note_yacc_type): Remove an unnecessary call to find_structure.
10589 * gengtype.h (new_structure): Return the structure.
10590 (create_option): Add an extra argument.
10591 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10592 (option): Adjust calls to create_option.
10594 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10596 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10598 2006-01-22 Paul Brook <paul@codesourcery.com>
10599 Peter Barada <peter@the-baradas.com>
10601 * config/m68k/m68k.md: Add Coldfire FPU support.
10602 Define FP mode macro and associated attributes.
10603 Use it for float mode patterns.
10604 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10605 (LIBCALL_VALUE): Use m68k_libcall_value.
10606 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10607 (m68k_function_value): Ditto.
10608 (emit_move_sequence): Ditto.
10609 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10610 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10611 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10612 (MULTILIB_EXCEPTIONS): Ditto.
10613 * config/m68k/m68k.opt: Add mcfv4e.
10614 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10615 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10616 (m68k_output_function_prologue): Save ColdFire FPU registers.
10617 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10618 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10619 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10620 ColdFire FPU registers.
10621 (m68k_libcall_value, m68k_function_value): New functions.
10622 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10623 (LIBCALL_VALUE): Use m68k_libcall_value.
10624 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10625 (MASK_COLDFIRE): Add MASK_CFV4E.
10626 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10627 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10628 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10629 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10630 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10631 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10632 * doc/invoke.tex: Document -mcfv4e on m68k.
10634 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10636 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10639 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10642 * c-opts.c (c_common_handle_option): Don't include
10643 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10644 * doc/invoke.texi (C++ Dialect Options): Document that
10645 -Wnon-virtual-dtor is no longer included in -Wall.
10647 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10649 * gcov.c (print_version), gcov-dump.c (print_version),
10650 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10653 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10655 * df-scan.c (problem_SCAN): Added NULL reset function.
10656 (df_scan_reset_blocks): Added code to call reset block function
10657 (df_bb_refs_delete) Fixed comment.
10658 (df_insn_refs_delete): Made tolerant of deleting non existent info
10659 for dataflow problems that need to be reset.
10660 * df-core.c (df_set_blocks): Ditto.
10661 * df.h (struct df_problem): Added reset_fun.
10662 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10663 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10664 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10665 functions to clear out all references to def-use or use-def chains.
10667 2006-01-21 Ben Elliston <bje@au.ibm.com>
10669 * varasm.c (assemble_real): Initialise data array.
10671 2006-01-20 Paul Brook <paul@codesourcery.com>
10673 Merge from csl-arm-branch.
10674 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10675 * config/arm/arm.md (movdi): Force operands[1] to a register
10676 if we have a non-register source.
10677 (*arm_movdi, *movdf_soft_insn): Require that one of the
10678 operands be a register.
10679 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10680 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10682 2006-01-20 DJ Delorie <dj@redhat.com>
10684 * varasm.c (initializer_constant_valid_p): Allow pointers
10685 initialized from integer constants of lesser precision.
10686 (output_constant): Allow non-int-sized pointer modes to be
10687 initialized from integer constants.
10689 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10692 * cppdefault.h (struct default_include): Add multilib flag.
10693 * cppdefault.c (cpp_include_defaults): Set it.
10694 * c.opt (-imultilib): New option.
10695 * c-opts.c (imultilib): New.
10696 (c_common_handle_option): Handle -imultilib.
10697 (c_common_post_options): Likewise.
10698 * c-incpath.c (add_standard_paths, register_include_chains):
10700 * c-incpath.h (register_include_chains): Add extra parameter.
10701 * gcc.c (do_spec_1): Generate -imultilib option.
10702 (The Specs Language): Update %I description.
10703 (process_command): Update copyright notice.
10704 * doc/cppopts.texi (-imultilib): Document.
10705 * doc/invoke.texi (-imultilib): Include in option summary.
10706 (%I): Update specs documentation.
10708 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10710 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10712 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10714 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10717 2006-01-20 Richard Guenther <rguenther@suse.de>
10718 Steven Bosscher <stevenb.gcc@gmail.com>
10720 PR rtl-optimization/24626
10721 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10722 EDGE_TRUE_VALUE if in RTL mode.
10725 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10726 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10728 2006-01-20 Dirk Mueller <dmueller@suse.com>
10731 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10732 instead of a special NOP marker.
10733 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10734 NOP marker handling.
10735 * c-common.h (empty_body_warning): Add forward declaration.
10736 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10737 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10739 2006-01-20 Paul Brook <paul@codesourcery.com>
10741 * Makefile.in (lang_checks): Keep going if mkdir fails.
10743 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10745 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10746 be able to clean out basic block when not necessary.
10747 (df_scan_free): Fixed to properly delete information if df is
10748 unused before calling df_finish.
10749 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10750 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10752 (df_bb_refs_delete): New function.
10753 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10754 * df-core.c (df_set_blocks): Added code to properly clean out
10755 unused blocks if they are not part of the blocks to consider.
10756 Added additional null check.
10757 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10758 be able to clean out basic block when not necessary
10759 * df.h (df_free_bb_function): Ditto.
10760 (df_bb_refs_delete): New function.
10761 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10762 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10763 basic block parameter to be able to clean out basic block when not
10765 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10766 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10767 Fixed to properly delete information if df is unused before
10770 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10772 PR rtl-optimization/25799
10773 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10774 Corrected confluence operator to remove bits from op2 before oring
10775 with op1 rather than removing bits from op1.
10776 (df_ru_transfer_function): Corrected test on wrong bitmap which
10777 caused infinite loop. Both of these problems were introduced in
10778 the dataflow rewrite.
10780 2006-01-19 DJ Delorie <dj@redhat.com>
10782 * reload1.c (find_reload_regs): Note the details of reload
10783 failures in the dump file.
10784 (spill_failure): Likewise.
10786 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10788 * loop-iv.c: Include df.h and hashtab.h.
10789 (enum iv_grd_result): New enum.
10790 (DF_REF_IV, DF_REF_IV_SET): New macros.
10791 (struct biv_entry): New.
10792 (df, bivs): New global variables.
10793 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10794 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10796 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10797 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10798 analyzed_for_bivness_p, record_biv): New functions.
10799 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10800 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10801 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10803 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10805 (iv_number_of_iterations): Use new interface to iv analysis.
10806 * loop-unroll.c: Do not include varray.h.
10807 (analyze_iv_to_split_insn): Use new interface to iv
10809 * loop-unswitch.c (may_unswitch_on): Ditto.
10810 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10812 (df_bb_modify): Realloc tables to the new index.
10813 (df_find_use): New function.
10814 * df.h (df_find_use): Declare.
10815 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10817 * cfgloop.h (struct rtx_iv): Remove analysed field.
10818 (iv_get_reaching_def): Removed.
10819 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10820 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10821 (loop-iv.o): Add df.h and hashtab.h dependency.
10822 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10824 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10827 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10829 (__floatundisf, __floatundidf): Likewise.
10830 * libgcc2.h (IS_IBM_EXTENDED): Define.
10832 2006-01-19 DJ Delorie <dj@redhat.com>
10834 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10836 2006-01-19 Paul Brook <paul@codesourcery.com>
10838 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10839 as nothrow when unwinding tables are disabled.
10841 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10844 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10845 of bit-field" when in system header.
10847 2006-01-19 DJ Delorie <dj@redhat.com>
10849 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10850 the 16 bit shift limit of the m16c.
10852 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10855 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10856 * config/i386/i386.c (output_set_got): Output the label if we have one
10857 for the TARGET_DEEP_BRANCH_PREDICTION case.
10859 2006-01-19 Jan Hubicka <jh@suse.cz>
10860 H.J. Lu <hongjiu.lu@intel.com>
10861 Evandro Menezes <evandro.menezes@amd.com>
10863 * invoke.texi (generic): Document
10865 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10866 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10867 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10868 (x86_use_incdec, x86_pad_returns): New variables
10869 (TARGET_CPU_DEFAULT_generic): New constant
10870 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10871 (enum processor_type): Add generic32 and generic64.
10872 * i386.md (cpu attribute): Add generic32/generic64
10873 (movhi splitter): Behave sanely when both partial_reg_dependency and
10874 partial_reg_stall are set.
10875 (K8 splitters): Enable for generic as well.
10876 * predicates.md (incdec_operand): Use TARGET_INCDEC
10877 (aligned_operand): Avoid memory mismatch stalls.
10878 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10879 * ppro.md: Enable for generic32
10880 * i386.c (generic64_cost, generic32_cost): New.
10881 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10882 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10883 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10884 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10885 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10886 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10887 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10888 x86_accumulate_outgoing_args, x86_prologue_using_move,
10889 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10890 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10891 Enable for generic.
10892 (x86_use_incdec, x86_pad_returns): New.
10893 (override_options): Add generic32 and generic64, translate "generic"
10894 to generic32/generic64 and "i686" to "generic32", refuse
10895 "generic32"/"generic64" as arch target.
10896 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10897 (ix86_reorg): Honor PAD_RETURNS.
10899 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10901 * tree-pretty-print.c (dump_generic_node): Handle
10902 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10903 * cgraph.c (cgraph_expand_queue): Rename from
10904 cgraph_analyze_queue. Update all users.
10905 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10906 cgraph_expand_queue.
10907 (cgraph_expand_all_functions): Likewise.
10908 (cgraph_finalize_pending_functions): Remove. Update callers.
10910 * tree.h (OMP_DIRECTIVE_P): Define.
10911 (OMP_PARALLEL_FN): Define.
10912 (OMP_PARALLEL_DATA_ARG): Define.
10913 (OMP_SECTIONS_SECTIONS): Define.
10914 * tree-pass.h (pass_expand_omp): Declare.
10915 * omp-low.c (struct omp_region): Declare.
10916 (struct omp_context): Remove fields 'parallel_type',
10917 'parallel_start_ix' and 'parallel_start_additional_args'.
10919 (struct omp_for_data): Rename from struct expand_omp_for_data.
10920 (omp_regions): New static variable.
10921 (root_omp_region): New static variable.
10922 (find_omp_clause): Make static.
10923 (is_in_combined_parallel_ctx): Remove.
10924 (is_combined_parallel): New.
10925 (extract_omp_for_data): Move earlier in the file.
10926 (workshare_safe_to_combine_p): New.
10927 (get_ws_args_for): New.
10928 (determine_parallel_type): Move earlier in the file.
10929 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10931 (omp_copy_decl): Likewise.
10932 (create_omp_child_function): Likewise.
10933 (lookup_omp_region): New.
10934 (dump_omp_region): New.
10935 (debug_omp_region): New.
10936 (debug_all_omp_regions): New.
10937 (new_omp_region): New.
10938 (scan_omp_parallel): If parallel_nesting_level > 1, the
10939 directive is nested within another parallel directive.
10940 Set OMP_PARALLEL_FN.
10941 (scan_omp_for): Do not try to handle combined parallel+for
10943 Remove FIXME comment.
10944 (scan_omp_nested): Remove.
10945 (scan_omp_1): Do not call scan_omp_nested when
10946 parallel_nesting_level is > 1.
10947 Do not change the DECL_CONTEXT of local variables found.
10948 (lookup_decl_in_outer_ctx): New.
10949 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10950 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10951 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10952 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10953 If CTX is nested, lookup VAR in the outer context when
10954 building copy assignment.
10955 (lower_send_clauses): Rename from expand_send_clauses.
10956 If CTX is nested, lookup VAR in the outer context when
10957 building copy assignments.
10958 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10959 If CTX is nested, lookup VAR in the outer context when
10960 building copy assignments.
10961 (expand_parallel_call): Rename from build_parallel_call.
10962 Handle combined parallel+workshare cases.
10963 Re-implement to emit code into the CFG.
10965 (expand_omp_parallel): Re-implement to emit code into the CFG.
10966 Call move_sese_region_to_fn to outline the sub-graph
10967 containing the parallel region.
10968 (expand_omp_for_1): Remove.
10969 (expand_omp_for_generic): Re-implement to emit code into the
10971 (expand_omp_for_static_nochunk): Likewise.
10972 (expand_omp_for_static_chunk): Likewise.
10973 (expand_omp_for): Likewise.
10974 (expand_omp_sections): Likewise.
10975 (remove_exit_barriers): New.
10976 (expand_omp_synch): New.
10978 (build_omp_regions_1): New.
10979 (build_omp_regions): New.
10980 (execute_expand_omp): New.
10981 (gate_expand_omp): New.
10982 (pass_expand_omp): Define.
10983 (lower_omp_sections): Rename from expand_omp_sections.
10984 Set OMP_SECTIONS_SECTIONS.
10985 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10986 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10987 (lower_omp_single): Rename from expand_omp_simple.
10988 (lower_omp_master): Rename from expand_omp_master.
10989 (lower_omp_ordered): Rename from expand_omp_ordered.
10990 (lower_omp_critical): Rename from expand_omp_critical.
10991 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10992 (lower_omp_for): Re-implement.
10993 (lower_omp_parallel): Re-implement.
10994 (lower_regimplify): Rename from expand_regimplify.
10995 (lower_omp_1): Rename from expand_omp_1.
10996 If there are syntax errors in the program, replace every
10997 OpenMP directive with NOP.
10998 Call lower_omp_* instead of expand_omp_*.
10999 (lower_omp): Rename from expand_omp.
11001 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11002 * tree-gimple.h (enum omp_parallel_type): Remove.
11003 (gimple_boolify): Declare extern.
11004 (find_omp_clause, determine_parallel_type): Remove.
11006 * gimple-low.c (lower_omp_directive): New.
11007 (lower_stmt): Call it.
11008 (record_vars_into): Move from ...
11009 (record_vars): ... here.
11010 Call record_vars_into with current_function_decl.
11012 * gimplify.c (struct gimplify_ctx): Remove fields
11013 combined_pre_p and combined_ctxp. Update users.
11014 (get_formal_tmp_var): Add documentation.
11015 (gimple_boolify): Make extern.
11016 (gimplify_expr_in_ctx): Remove. Update callers.
11017 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11018 will always be a BIND_EXPR.
11019 (gimplify_expr): Handle OMP_RETURN_EXPR.
11020 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11021 (OMP_PARALLEL): Add 3 operands.
11022 (OMP_SECTIONS): Add 1 operand.
11023 (OMP_RETURN_EXPR): Define.
11025 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11026 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11027 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11028 creating a circular free list.
11029 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11031 * tree-flow.h (move_sese_region_to_fn): Declare.
11032 (record_vars_into): Declare.
11033 * tree-cfg.c (make_omp_sections_edges): New.
11034 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11035 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11036 OMP_SECTIONS and OMP_SECTION.
11037 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11038 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11039 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11040 (gather_blocks_in_sese_region): New.
11041 (struct move_stmt_d): Declare.
11042 (move_stmt_r): New.
11043 (move_block_to_fn): New.
11044 (move_sese_region_to_fn): New.
11046 * passes.c (init_optimization_passes): Schedule
11047 pass_expand_omp after pass_init_datastructures.
11049 * tree-ssa-operands.c (get_expr_operands): Handle
11050 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11051 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11053 2006-01-19 Jeff Law <law@redhat.com>
11055 * tree-vrp.c (extract_range_from_assert): Refine the result range
11056 if the variable referenced by the ASSERT_EXPR has a range and
11057 either the tentative result range or the previous range is a
11060 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11062 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11064 2006-01-19 Jan Hubicka <jh@suse.cz>
11066 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11068 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11070 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11071 (expand_compound_operation, expand_field_assignment): Fail if the
11072 bit lengths of an extract operation are out of range.
11073 (make_extraction): Compute wanted_inner_mode based on the position
11074 and length of the extraction. Make it extraction_mode for non-constant
11075 positions, and do not modify offset in that case. When generating a
11076 new MEM, use a mode that can hold the extraction while keeping correct
11077 alignment. Remove code that supported MEMs wrapped by USEs.
11078 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11080 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11082 * config/s390/s390.md ("Y", "y"): New mode attribute.
11083 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11084 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11085 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11086 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11087 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11088 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11089 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11090 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11091 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11092 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11093 "addsi3", "subsi3"): Insn patterns removed.
11094 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11095 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11096 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11097 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11098 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11099 "*sub<mode>3_cconly2"): New insn patterns.
11100 ("addsi3", "subsi3"): New expanders.
11102 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11104 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11105 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11106 existing STMT_VINFO_VECTYPE if available.
11107 (vect_mark_relevant): Add special handling for stmts that are
11108 marked as STMT_VINFO_IN_PATTERN_P.
11109 (vect_analyze_loop): Call vect_pattern_recog.
11110 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11111 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11113 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11114 (vect_recog_func_ptr): New function-pointer type.
11115 * tree-vect-patterns.c: New file.
11116 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11117 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11118 (vect_pattern_recog_1): New functions.
11119 (vect_pattern_recog_funcs): New array of function pointers.
11121 * tree-vectorizer.h (ternary_op): New enum value.
11122 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11123 declaration. Revised documentation. Removed redundant dump prints.
11124 Removed redundant argument. Added support for reduction patterns.
11125 (vectorizable_reduction): Added support for reduction patterns.
11126 (vect_transform_stmt): Added support for patterns.
11128 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11129 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11130 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11131 (expand_widen_pattern_expr): New function.
11132 (init_optabs): Initialize new optabs udot_prod_optab,
11134 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11135 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11136 (expand_widen_pattern_expr): New function declaration.
11137 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11139 * tree-inline.c (estimate_num_insns_1): Added cases for new
11140 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11141 * tree-pretty-print.c (dump_generic_node): Likewise.
11142 (op_prio): Likewise.
11143 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11144 * tree-ssa-operands.c (get_expr_operands): Added case for
11146 * tree-vect-patterns.c (widened_name_p): New function.
11147 (vect_recog_dot_prod_pattern): Added function implementation.
11148 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11149 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11150 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11151 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11153 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11154 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11155 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11156 (init_optabs): Initialize new optabs widen_ssum_optab,
11158 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11159 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11160 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11161 use instead of type of def.
11162 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11163 function implementation.
11164 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11165 widen_ssumv8hi): New.
11167 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11170 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11173 * c-decl.c (add_flexible_array_elts_to_size): New function.
11174 (finish_decl): Use it.
11176 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11178 * diagnostic.h: Include options.h.
11179 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11180 dependancies for diagnostic.h.
11181 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11183 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11185 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11186 (ssa_ro_call_cache_valid): Ditto.
11187 * tree-ssa-alias.c (sort_tags_by_id): New function.
11188 (init_transitive_clobber_worklist): Ditto.
11189 (add_to_worklist): Ditto.
11190 (mark_aliases_call_clobbered): Ditto.
11191 (compute_tag_properties): Ditto.
11192 (set_initial_properties): Ditto.
11193 (compute_call_clobbered): Ditto.
11194 (compute_may_aliases): Call compute_call_clobbered and grouping.
11195 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11196 (compute_flow_insensitive_aliasing): Grouping now happens in our
11198 (setup_pointers_and_addressables): Remove clobbering related code.
11199 (add_may_alias): Ditto.
11200 (replace_may_alias): Ditto.
11201 (get_nmt_for): Ditto.
11202 (create_global_var):
11203 (is_escape_site): Return an escape_type enumeration.
11204 * tree-flow-inline.h (is_call_clobbered): Global var does not
11205 imply call clobbered.
11206 (mark_call_clobbered): Take a reason for marking this. Remove
11207 marking of globalness, and cache invalidation.
11208 (clear_call_clobbered): Remove cache invalidation code.
11209 * tree-dfa.c (dump_variable): If details is on, dump the reason
11211 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11213 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11214 (struct var_ann_d): Ditto.
11215 (enum escape_type): New.
11216 (mark_call_clobbered): Adjust prototype.
11217 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11218 are never call clobbered.
11219 Record reasons for escaping.
11220 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11221 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11222 (ssa_ro_call_cache_valid): Ditto.
11223 (clobbered_v_may_defs): Ditto.
11224 (clobbered_vuses): Ditto.
11225 (ro_call_vuses): Ditto.
11226 (clobber_stats): New.
11227 (init_ssa_operands): Zero out clobber stats.
11228 (fini_ssa_operands): Print out clobber stats.
11229 (get_call_expr_operands): Pass callee fndecl to
11230 add_call_read_ops).
11231 (add_call_clobber_ops): Remove use of cache.
11232 Add use of PURE_CONST information.
11233 (add_call_read_ops): Remove use of cache.
11234 Add use of static not_read information.
11236 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11238 Introduce TLS descriptors for i386 and x86_64.
11239 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11240 (TARGET_ANY_GNU_TLS): New macro.
11241 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11242 (struct machine_function): Add tls_descriptor_call_expanded_p.
11243 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11244 (ix86_current_function_calls_tls_descriptor): Likewise.
11245 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11246 (override_options): Introduce gnu2 tls dialect.
11247 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11249 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11251 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11252 (ix86_init_machine_status): Initialize new field.
11253 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11254 (ix86_tls_module_base): New.
11255 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11256 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11257 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11258 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11259 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11260 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11261 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11262 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11263 * config/i386/predicates.md (tls_modbase_operand): New.
11264 (tp_or_register_operand): New.
11266 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11268 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11269 (look_for_address_of): Ditto.
11270 (ipa_init): Walk the function decls.
11271 (static_execute): Don't set readonly on FUNCTION_DECL's.
11273 2006-01-18 Roger Sayle <roger@eyesopen.com>
11275 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11276 for shifts where the source and destination registers are different.
11278 2006-01-18 Paul Brook <paul@codesourcery.com>
11280 Merge from csl-arm-branch.
11281 2005-03-14 Julian Brown <julian@codesourcery.com>
11282 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11283 (aeabi_llsl): Likewise.
11284 (ashrdi3): Likewise.
11285 (aeabi_lasr): Likewise.
11286 (lshrdi3): Likewise.
11287 (aeabi_llsr): Likewise.
11288 2005-03-10 Julian Brown <julian@codesourcery.com>
11289 * config.gcc: Disable shared libgcc for SymbianOS.
11290 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11292 2006-01-18 DJ Delorie <dj@redhat.com>
11294 * c-pragma.c (handle_pragma_diagnostic): New.
11295 (init_pragma): Register it.
11296 * doc/extend.texi: Document it.
11298 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11299 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11300 (diagnostic_context): Add classify_diagnostic[].
11301 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11302 as errors if they're overridden to DK_WARNING.
11303 (diagnostic_initialize): Initialize classify_diagnostic[].
11304 (diagnostic_set_kind_override): New.
11305 (diagnostic_report_diagnostic): Check for kind changes.
11306 * opts.c (common_handle_option): Take lang_mask. Update callers.
11307 Handle OPT_Werror_.
11308 * common.opt (Werror=): New.
11309 * doc/invoke.texi: Document -Werror=*
11311 2006-01-18 Jeff Law <law@redhat.com>
11313 * tree-vrp.c (test_for_singularity): Correct test for new
11314 min limit. Use operand_equal_p rather than pointer equality
11315 for testing if new min/max values are equal.
11317 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11318 using range information until after propagation and folding.
11320 2006-01-18 Richard Henderson <rth@redhat.com>
11321 Aldy Hernandez <aldyh@redhat.com>
11322 Jakub Jelinek <jakub@redhat.com>
11323 Diego Novillo <dnovillo@redhat.com>
11325 * omp-low.c: New file.
11326 * c-omp.c: New file.
11328 2006-01-18 Richard Henderson <rth@redhat.com>
11329 Jakub Jelinek <jakub@redhat.com>
11330 Diego Novillo <dnovillo@redhat.com>
11332 * doc/invoke.texi: Document -fopenmp.
11333 * tree-dump.h (debug_function): Declare.
11334 * hooks.c (hook_bool_tree_bool_false): New function.
11335 (hook_tree_tree_null): Remove.
11336 (hook_tree_tree_tree_null): New.
11337 * hooks.h: Update to match.
11338 * tree-pretty-print.c (debug_tree_chain): New.
11339 (print_generic_expr): Handle TDF_CHAIN.
11340 (dump_generic_node): Handle BLOCK.
11341 Do not abort with incomplete SWITCH_EXPRs.
11342 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11343 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11344 print space after directive name.
11345 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11346 Handle OMP_MASTER and OMP_ORDERED.
11347 Handle printing of OMP_BODY just in one place, goto
11348 dump_omp_body in the rest of OMP_* nodes that have
11350 Don't handle clause nodes here. Update omp statements to
11351 use dump_omp_clauses.
11352 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11353 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11354 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11355 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11356 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11357 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11358 Adjust output for GOMP_PARALLEL.
11359 (dump_omp_clauses): New.
11360 (print_declaration): Dump DECL_VALUE_EXPR.
11361 (op_symbol_1): Split out of op_symbol.
11362 (dumping_stmts): Remove. Update all users.
11363 * cgraph.c (cgraph_analyze_queue): New.
11364 (cgraph_add_new_function): New.
11365 * cgraph.h (cgraph_analyze_queue): Declare.
11366 (cgraph_add_new_function): Declare.
11367 (cgraph_lower_function): Remove.
11368 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11369 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11370 and TYPE_P nodes in its default clause.
11371 (empty_body_p): New.
11372 (tree_range_check_failed): New.
11373 (build5_stat): New.
11374 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11375 OMP_CLAUSE_REDUCTION_MERGE,
11376 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11377 OMP_CLAUSE_PRIVATE_DEBUG,
11378 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11379 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11380 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11381 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11382 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11383 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11384 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11385 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11386 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11387 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11388 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11389 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11390 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11391 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11392 (TREE_RANGE_CHECK): New.
11393 (empty_body_p): Declare.
11394 (enum omp_clause_default_kind): New.
11395 (build_string_literal): Declare.
11396 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11397 (build5_stat, build5): Declare.
11398 * tree-pass.h (TDF_CHAIN): Define.
11399 * tree-pass.h (PROP_gimple_lomp): Define.
11400 (pass_lower_omp): Declare.
11401 * diagnostic.h (debug_tree_chain): Declare.
11402 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11404 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11405 * builtins.c (build_string_literal): Make extern.
11406 * gcc.c (include_spec_function): New.
11407 (static_spec_functions): Add it.
11408 (main): Move load of libgomp.spec ...
11409 (LINK_COMMAND_SPEC): ... here.
11410 (link_gomp_spec): New.
11411 (static_specs): Include it.
11412 (LINK_COMMAND_SPEC): Add link_gomp.
11413 (GOMP_SELF_SPECS): New.
11414 (driver_self_specs): Include it.
11415 (switch_matches): Don't mark inline.
11416 (main): Load libgomp.spec.
11417 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11418 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11419 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11420 * tree-gimple.h (enum omp_parallel): Declare.
11421 (determine_parallel_type): Declare.
11422 (omp_firstprivatize_variable): Declare.
11423 (omp_reduction_init): Declare.
11424 (diagnose_omp_structured_block_errors): Declare.
11425 (struct walk_stmt_info): Add want_return_expr.
11426 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11427 (find_omp_clause): Declare.
11428 (insert_field_into_struct): Declare.
11429 (struct walk_stmt_info): Move from tree-nested.c
11430 (walk_stmts): Declare.
11431 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11433 * cgraphunit.c (cgraph_lower_function): Make static.
11434 (cgraph_finalize_pending_functions): New.
11435 (cgraph_finalize_function): Call it.
11436 (cgraph_finalize_compilation_unit): Likewise.
11437 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11438 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11439 (BT_FN_UINT_UINT): New.
11440 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11441 DEF_FUNCTION_TYPE_VAR_4): Document.
11442 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11443 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11444 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11445 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11446 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11447 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11448 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11449 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11450 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11451 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11452 into separate files.
11453 (DEF_GOMP_BUILTIN): New.
11454 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11455 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11456 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11457 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11458 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11459 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11460 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11461 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11462 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11463 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11464 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11465 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11466 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11467 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11468 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11469 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11470 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11471 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11472 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11473 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11474 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11475 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11476 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11477 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11478 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11479 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11480 * sync-builtins.def: New file, moved from builtins.def.
11481 * omp-builtins.def: New file, moved from builtins.def.
11482 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11483 * gimple-low.c (lower_function_body): Clear data.
11484 (lower_stmt): Do not handle COMPOUND_EXPR.
11485 Remove call to print_node_brief.
11486 * c-tree.h (c_finish_omp_clauses): New prototype.
11487 (C_DECL_THREADPRIVATE_P): Define.
11488 (lookup_name_no_remap, c_omp_remap_private): Remove
11489 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11490 (check_for_loop_decls): Update decl.
11491 (lookup_name_no_remap, c_omp_remap_private): Declare.
11492 (build_indirect_ref, build_modify_expr, pushdecl,
11493 pushdecl_top_level): Move to c-common.h.
11494 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11495 before the switch, but just in the 2 places that need it.
11496 * c-decl.c (diagnose_mismatched_decls): Do not check for
11497 mismatched thread-local attributes when OLDDECL is marked
11498 threadprivate and NEWDECL has no thread-local attributes.
11499 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11500 (c_gimple_diagnostics_recursively): Rename from
11501 c_warn_unused_result_recursively. Invoke
11502 diagnose_omp_structured_block_errors.
11503 (check_for_loop_decls): Return a singular decl found.
11504 * langhooks.c (lhd_omp_predetermined_sharing): Return
11505 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11506 (lhd_omp_firstprivatize_type_sizes): New.
11507 (lhd_omp_assignment): New.
11508 (lhd_omp_predetermined_sharing): New.
11509 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11510 (struct lang_hooks_for_types): Add
11511 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11512 omp_predetermined_sharing, omp_disregard_value_expr,
11513 omp_private_debug_clause, omp_clause_default_ctor,
11514 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11515 (c_finish_omp_clauses): New.
11516 (c_finish_bc_stmt): Diagnose break within omp for.
11517 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11518 (build_unary_op): Return error_mark after reporting
11520 (build_modify_expr): Likewise.
11521 * gimplify.c: Include optabs.h and pointer-set.h.
11522 (enum gimplify_omp_var_data): Declare.
11523 (struct gimplify_omp_ctx): Declare.
11524 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11526 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11527 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11528 (splay_tree_compare_decl_uid): New.
11529 (new_omp_context): New.
11530 (delete_omp_context): New.
11531 (gimple_add_tmp_var): Call omp_add_variable.
11532 (gimplify_bind_expr): Likewise.
11533 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11534 true, disregard DECL_VALUE_EXPR on the decl if any.
11535 (gimplify_expr_in_ctx): New.
11536 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11537 omp_add_variable, omp_notice_variable, omp_is_private
11538 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11539 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11540 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11541 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11542 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11543 gimplify_omp_atomic): New.
11544 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11545 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11546 OMP_CRITICAL and OMP_ATOMIC.
11547 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11548 * c-pragma.h (enum pragma_kind): Add
11549 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11550 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11551 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11552 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11553 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11554 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11555 PRAGMA_OMP_THREADPRIVATE.
11556 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11557 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11558 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11559 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11560 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11561 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11562 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11563 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11564 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11565 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11566 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11567 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11568 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11570 (struct nesting_info): Add field_map,
11571 suppress_expansion, debug_var_chain.
11572 (create_nesting_tree): Initialize them.
11573 (lookup_field_for_decl): Use field_map.
11574 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11575 (convert_local_omp_clauses): New.
11576 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11577 (walk_body): Split out of walk_function.
11578 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11579 (convert_nonlocal_reference): Handle omp statements.
11580 (convert_local_reference): Likewise.
11581 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11582 (unnest_nesting_tree): New.
11583 (lower_nested_functions): Call it.
11584 (insert_field_into_struct): Make extern.
11585 (struct walk_stmt_info): Move to tree-gimple.h.
11586 (walk_stmts): Make extern.
11587 * omp-builtins.def: New file.
11588 * tree-iterator.c (expr_only): Clarify comment.
11589 * c-common.h (pushdecl_top_level, pushdecl,
11590 build_modify_expr, build_indirect_ref,
11591 c_finish_omp_master, c_finish_omp_critical,
11592 c_finish_omp_ordered, c_finish_omp_barrier,
11593 c_finish_omp_atomic, c_finish_omp_flush,
11594 c_finish_omp_for, c_split_parallel_clauses,
11595 omp_clause_default_kind, c_omp_sharing_predetermined,
11596 c_omp_remap_decl): Declare.
11597 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11598 (OBJS-common): Add omp-low.o.
11599 (c-omp.o, omp-low.o): Add.
11600 (gimplify.o): Add dependency on $(OPTABS_H).
11601 (GTFILES): Add omp-low.c.
11602 (gt-stringpool.h): Add.
11603 * tree-cfg.c (set_bb_for_stmt): Do not update the
11604 block-to-labels map if we are currently expanding to RTL.
11605 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11607 Handle IDENTIFIER_NODE.
11608 (tree_verify_flow_info): Do not ICE when emitting error
11609 messages about invalid labels.
11610 (dump_function_to_file): Reset CFUN before emitting the body
11612 (debug_function): New.
11613 * passes.c (init_optimization_passes): Schedule
11615 * langhooks-def.h (lhd_omp_predetermined_sharing,
11616 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11618 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11619 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11620 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11621 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11622 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11623 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11624 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11625 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11626 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11627 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11628 (LANG_HOOK_DECLS): Use them.
11630 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11631 Richard Henderson <rth@redhat.com>
11632 Jakub Jelinek <jakub@redhat.com>
11633 Diego Novillo <dnovillo@redhat.com>
11635 * c-parser.c (pragma_omp_clause): Define.
11636 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11637 (c_parser_compound_statement): Likewise.
11638 (c_parser_statement): Likewise.
11639 (c_parser_pragma): Handle omp pragmas.
11640 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11641 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11642 (c_parser_omp_clause_name, check_no_duplicate_clause,
11643 c_parser_omp_variable_list,
11644 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11645 c_parser_omp_clause_copyprivate,
11646 c_parser_omp_clause_default,
11647 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11648 c_parser_omp_clause_lastprivate,
11649 c_parser_omp_clause_nowait,
11650 c_parser_omp_clause_num_threads,
11651 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11652 c_parser_omp_clause_reduction,
11653 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11654 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11655 c_parser_omp_atomic, c_parser_omp_barrier,
11656 c_parser_omp_critical, c_parser_omp_flush,
11657 c_parser_omp_for_loop, c_parser_omp_for,
11658 c_parser_omp_master, c_parser_omp_ordered,
11659 c_parser_omp_sections_scope, c_parser_omp_sections,
11660 c_parser_omp_parallel, c_parser_omp_single,
11661 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11662 * c-pragma.c (init_pragma): Do omp pragma registration here.
11663 * c.opt (fopenmp): New flag.
11665 2006-01-18 Eric Christopher <echristo@apple.com>
11667 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11668 * config/darwin.h (GOMP_SELF_SPECS): Define.
11670 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11672 * rtl.h: Remove the prototype for reg_alloc.
11674 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11677 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11678 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11679 sjlj and dwarf2 exception handling.
11680 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11681 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11682 * pa/pa.c (function_value): Treat complex and vector types as
11684 (function_arg): Likewise. Only pass scalar floats in the floating
11685 point argument registers.
11686 * pa/t-slibgcc-dwarf-ver: New file.
11687 * pa/t-slibgcc-sjlj-ver: New file.
11688 * pa/t-slibgcc-elf-ver: Delete file.
11690 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11692 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11693 unlikely_test_section_p test.
11695 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11697 * mode-switching.c (optimize_mode_switching): Make it static.
11698 * basic-block.h: Remove the prototype for
11699 optimize_mode_switching.
11701 * modulo-sched.c (sms_schedule): Make it static.
11702 * rtl.h: Remove the prototype for sms_schedule.
11704 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11705 * rtl.h: Remove the prototype for gcse_after_reload_main.
11707 * reg-stack.c (reg_to_stack): Make it static.
11708 * rtl.h: Remove the prototype for reg_to_stack.
11710 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11712 * rtl.h: Remove the prototypes for regrename_optimize and
11713 copyprop_hardreg_forward.
11715 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11717 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11718 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11719 Test against the appropriate null constant for the mode.
11720 If 'fixup_overlap' is true, swap the operands if they overlap.
11721 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11722 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11723 alpha_split_tmode_pair and adjust for above change.
11724 * config/alpha/alpha.md (movtf_internal): Adjust call to
11725 alpha_split_tfmode_pair and rely on it to swap the operands.
11726 (movti_internal): New insn and post-reload splitter.
11727 (movti): New expander.
11729 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11731 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11734 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11736 * rtlanal.c (global_reg_mentioned_p_1,
11737 global_reg_mentioned_p): Remove.
11738 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11740 * flow.c (initialize_uninitialized_subregs): Make it static.
11741 * rtl.h: Remove the prototype for
11742 initialize_uninitialized_subregs.
11744 * function.c (instantiate_virtual_regs): Make it static.
11745 * function.h: Remove the prototype for
11746 instantiate_virtual_regs.
11748 * regmove.c (regmove_optimize, combine_stack_adjustments):
11750 * rtl.h: Remove the prototypes for regmove_optimize and
11751 combine_stack_adjustments.
11753 2006-01-17 Roger Sayle <roger@eyesopen.com>
11755 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11756 (size_cost): Encode costs in bytes so that a reg-reg addition is
11757 equivalent to COSTS_N_INSNS(1).
11758 (override_options): Use the size_cost.branch_cost as the default
11759 ix86_branch_cost when optimizing for size.
11761 2006-01-18 Ben Elliston <bje@au.ibm.com>
11763 * Makefile.in (D32PBIT_FUNCS): New.
11764 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11765 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11766 D64PBIT_FUNCS and D128PBIT_FUNCS.
11767 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11768 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11770 (decnumber_dep): Define.
11771 * doc/libgcc.texi (Decimal float library routines): New node.
11772 * config/dfp-bit.h, config/dfp-bit.c: New files.
11774 2006-01-18 Ben Elliston <bje@au.ibm.com>
11776 * expr.c (emit_move_change_mode): Always adjust addresses, not
11777 just during reload. Copy replacements only during reload.
11778 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11779 emit_move_via_integer.
11781 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11783 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11784 instead of $(srcdir) and ${srcdir}.
11786 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11789 PR middle-end/11135
11790 * arm.h (struct machine_function): Add pic_reg.
11791 * arm.c (arm_pic_register): Make unsigned.
11792 (arm_override_options): Only set arm_pic_register if
11793 TARGET_SINGLE_PIC_BASE.
11794 (use_return_insn): Only test for a pic register if it is fixed.
11795 (arm_compute_save_reg0_reg12_mask): Likewise.
11796 (thumb_compute_save_reg_mask): Likewise.
11797 (legitimate_pic_operand): Factor out some known invariants.
11798 (legitimize_pic_address): If we don't have a fixed pic register,
11799 then set up a pseudo in the function entry sequence. Handle the
11800 pic base being in a pseudo.
11801 (arm_load_pic_register): Handle the pic register being in a pseudo.
11802 (arm_expand_prologue): Only set up the pic register if it is fixed.
11803 (thumb_expand_prologue): Likewise.
11804 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11805 (pic_load_addr_based_insn): Likewise.
11806 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11809 2006-01-18 Ben Elliston <bje@au.ibm.com>
11811 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11812 decimal float modes for all floating point registers.
11814 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11815 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11817 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11820 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11821 even when the pointer is not NULL.
11823 2006-01-16 Ian Lance Taylor <ian@airs.com>
11825 * common.opt (ftoplevel-reorder): New option.
11826 * cgraph.c (cgraph_asm_nodes): New global variable.
11827 (cgraph_asm_last_node): New static variable.
11828 (cgraph_order): New global variable.
11829 (cgraph_create_node): Set new order field.
11830 (cgraph_varpool_node): Likewise.
11831 (decide_is_variable_needed): Return true if not
11832 flag_toplevel_reorder.
11833 (cgraph_add_asm_node): New function.
11834 * cgraph.h (struct cgraph_node): Add order field.
11835 (struct cgraph_varpool_node): Add order field.
11836 (struct cgraph_asm_node): Define.
11837 (cgraph_asm_nodes, cgraph_order): Declare.
11838 (cgraph_add_asm_node): Declare.
11839 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11841 (cgraph_varpool_assemble_pending_decls): Call it.
11842 (cgraph_output_pending_asms): New static function.
11843 (cgraph_finalize_compilation_unit): Call it.
11844 (struct cgraph_order_sort): Define.
11845 (cgraph_output_in_order): New static function.
11846 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11847 !flag_toplevel_reorder case.
11848 * c-parser.c: Include "cgraph.h".
11849 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11851 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11852 than -fno-unit-at-a-time.
11853 * doc/invoke.texi (Option Summary): Mention
11854 -fno-toplevel-reorder.
11855 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11856 -funit-at-a-time documentation.
11858 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11859 Kazu Hirata <kazu@codesourcery.com>
11861 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11863 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11865 * Makefile.in (FUNCTION_H): New. Use it instead of
11866 function.h throughout the file.
11867 * function.h: Include tree.h.
11869 2006-01-17 Ben Elliston <bje@au.ibm.com>
11871 * recog.c: Separate some functions with whitespace.
11873 2006-01-16 Richard Henderson <rth@redhat.com>
11875 Merge from gomp branch:
11876 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11877 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11878 and rename from struct inline_data. Rename callee* to dst*;
11879 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11880 transform_new_cfg, transform_return_to_modify, and
11881 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11883 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11884 (copy_decl_for_dup): Remove.
11885 * tree-inline.c (struct inline_data): Move to header.
11886 (insert_decl_map): Export.
11887 (remap_decl): Update for member name changes. Use copy_decl hook.
11888 Allow for replacement to be a non-decl. Remove dead code.
11889 (remap_type_1): Check for existing mapping.
11890 (remap_type): Export.
11891 (remap_decls): Update for member name changes.
11892 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11893 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11894 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11895 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11896 (tree_function_versioning, build_duplicate_type): Likewise.
11897 (copy_body_r): Likewise. Export.
11898 (copy_decl_for_dup): Split into ...
11899 (copy_decl_for_dup_finish, copy_decl_to_var,
11900 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11901 (replace_ref_tree, inlining_p): Remove.
11903 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11905 * ifcvt.c (if_convert): Make it static.
11906 * rtl.h: Remove the prototype for if_convert.
11908 * local-alloc.c (local_alloc): Make it static.
11909 * rtl.h: Remove the prototype for local_alloc.
11911 * loop.c (loop_optimize): Make it static.
11912 * cfgloop.h: Remove the prototype for loop_optimize.
11915 2006-01-16 DJ Delorie <dj@redhat.com>
11917 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11920 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11922 * pa.md: Disparage copies between general and floating-point registers
11923 in 32-bit move patterns.
11925 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11928 * Makefile.in (check-%): Depend on site.exp instead of
11929 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11932 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11934 * global.c (global_alloc): Make it static.
11935 * rtl.h: Remove the prototype for global_alloc.
11937 2006-01-16 Richard Guenther <rguenther@suse.de>
11939 * tree-ssa-alias.c (struct used_part): Add write_only field.
11940 (get_or_create_used_part_for): Initialize it to true.
11941 (create_overlap_variables_for): Don't create structure variables
11942 for structures that only are written to.
11943 (find_used_portions): Handle MODIFY_EXPR to track whether a
11944 structure is only written to.
11946 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11948 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11950 * basic-block.h: Remove the prototype for
11951 partition_hot_cold_basic_blocks.
11953 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11955 * cppspec.c (lang_specific_spec_functions): Remove.
11956 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11957 * gcc.h (lang_specific_spec_functions): Remove.
11958 * gccspec.c (lang_specific_spec_functions): Remove.
11960 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11962 * combine.c (record_value_for_reg): Invalidate registers
11964 (record_dead_and_set_regs_1): Likewise, by passing them to
11965 record_value_for_reg.
11966 (record_dead_and_set_regs): Invalidate stores made by a
11967 call. We do not combine across a call, but we still
11968 relied on equivalences.
11970 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11972 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11973 vrp_int_const_binop returning non-constant nodes.
11975 2006-01-16 Paul Brook <paul@codesourcery.com>
11977 * config/m68k/m68k.c (output_move_const_into_data_reg):
11978 Output correct mnemonic for mvz and mvs.
11980 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11982 * rtl-factoring.c: Add sequence abstraction algorithm.
11983 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11984 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11986 (block_has_preserve_label): New function.
11987 * common.opt: Register new pass.
11988 * Makefile.in: Ditto.
11990 * timevar.def: Ditto.
11991 * tree-pass.h: Ditto.
11992 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11993 * rtl.h (make_jump_insn_raw): Add forward decl.
11994 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11996 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11997 Roger Sayle <roger@eyesopen.com>
11999 * fold-const.c (fold_minmax): New static function.
12000 (fold_binary) <MIN_EXPR>: Call it.
12001 <MAX_EXPR>: Likewise.
12002 * stor-layout.c (place_field): Use DECL_SIZE consistently
12003 in the computation of the new record size.
12005 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12007 * cse.c (cse_condition_code_reg): Make it static.
12008 * rtl.h: Remove the prototype for cse_condition_code_reg.
12010 * combine.c (combine_instructions): Make it static.
12011 * rtl.h: Remove the prototype for combine_instructions.
12013 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12016 * tree.c (get_file_function_name_long): Concatenate the first global
12017 object name with a string derived from the input filename of the object
12020 2006-01-16 Ben Elliston <bje@au.ibm.com>
12022 * config/i386/winnt-stubs.c: Update FSF address.
12023 * config/xtensa/ieee754-df.S: Ditto.
12024 * config/xtensa/ieee754-sf.S: Ditto.
12026 2006-01-14 Ian Lance Taylor <ian@airs.com>
12028 * ifcvt.c (noce_init_if_info): New static function, broken out of
12029 noce_process_if_block.
12030 (noce_process_if_block): Call noce_init_if_info.
12031 (check_cond_move_block): New static function.
12032 (cond_move_process_if_block): New static function.
12033 (process_if_block): Call cond_move_process_if_block.
12035 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12037 * cselib.c (hash_table): Rename to cselib_hash_table.
12038 (cselib_clear_table, discard_useless_values,
12039 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12040 cselib_init, cselib_finish): Adjust uses of hash_table.
12042 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12044 PR tree-optimization/25485
12045 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12046 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12047 is known to be false and true, respectively.
12049 2006-01-14 Richard Guenther <rguenther@suse.de>
12051 PR tree-optimization/22548
12052 PR tree-optimization/22555
12053 PR tree-optimization/22501
12054 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12055 * params.def (salias-max-array-elements): New parameter.
12056 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12057 * doc/invoke.texi (salias-max-array-elements): Document.
12058 * tree-flow-inline.h (var_can_have_subvars): We also handle
12060 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12062 * tree-ssa-structalias.c (params.h): Include.
12063 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12064 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12065 (get_constraint_for): For ADDR_EXPR operating on something
12066 containing an ARRAY_REF, add all subvars to the solution.
12067 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12068 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12069 for creating MUST_DEFs.
12070 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12072 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12074 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12076 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12077 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12078 number_of_iterations_le): New functions.
12079 (number_of_iterations_special): Removed.
12080 (number_of_iterations_exit): Do not use number_of_iterations_special.
12081 * tree.c (unsigned_type_for): Always return integer type.
12083 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12084 Richard Guenther <rguenther@suse.de>
12086 PR rtl-optimization/24257
12087 * gcse.c (find_moveable_store): Only consider a store movable
12088 when the SET_SRC of the insn can be assigned to a register.
12090 2006-01-14 Ian Lance Taylor <ian@airs.com>
12092 * tree.c (tree_not_class_check_failed): New function.
12093 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12094 (tree_not_class_check_failed): Declare.
12096 2006-01-13 Ian Lance Taylor <ian@airs.com>
12098 * reload1.c (do_output_reload): Add assertion rejecting a
12101 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12103 * combine.c (struct reg_stat): Add new fields truncation_label and
12105 (record_value_for_reg): Reset truncated_to_mode.
12106 (record_truncated_value): New function.
12107 (check_promoted_subreg): Call it. Rename to check_conversions.
12108 (combine_instructions): Rename check_promoted_subreg to
12110 (reg_truncated_to_mode): New function.
12111 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12112 (gen_lowpart_or_truncate): New function.
12113 (force_to_mode): Use it instead of gen_lowpart.
12115 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12117 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12118 VAR is a tag, not its type tag.
12120 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12122 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12123 alternatives to match style of other entries.
12124 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12126 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12128 PR tree-optimization/25771
12129 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12132 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12135 * tree-inline.c (declare_return_variable): If the return variable
12136 was marked as a non gimple complex, set the return slot variable
12137 to be a non gimple comple variable.
12139 2006-01-13 Richard Guenther <rguenther@suse.de>
12141 * builtins.c (expand_builtin_sincos): New function.
12142 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12144 (expand_builtin): Expand sincos using expand_builtin_sincos.
12146 2006-01-12 DJ Delorie <dj@redhat.com>
12148 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12149 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12150 so that constant shifts can be split.
12151 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12152 (m32c_valid_pointer_mode): Make static.
12153 (shift_gen_func_for): New.
12154 (m32c_prepare_shift): Use it. Split large const shifts into
12156 * config/m32c/predicates.md (shiftcount_operand): Allow more
12158 (longshiftcount_operand): New.
12159 * doc/md.texi (Machine Constraints): Document In6.
12161 2006-01-13 Ben Elliston <bje@au.ibm.com>
12163 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12164 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12167 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12169 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12170 to try to avoid clobbering pieces of structures when we know
12171 something about the whole structure.
12172 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12174 2006-01-13 Ben Elliston <bje@au.ibm.com>
12176 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12177 return in memory, as this is no limitation is no longer present.
12179 2006-01-12 DJ Delorie <dj@redhat.com>
12181 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12182 mova with fb, and for fb+0 -> An.
12184 * config/m32c/mov.md (peephole2): Fix enabling logic.
12186 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12187 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12188 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12189 FINI_ARRAY_SECTION_ASM_OP): Define.
12191 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12193 (m32c_legitimize_reload_address): New logic to reload FB to An.
12194 (m32c_output_reg_push): Add newline.
12195 (m32c_output_reg_pop): Likewise.
12197 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12199 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12201 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12203 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12205 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12207 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12210 2006-01-11 Ben Elliston <bje@au.ibm.com>
12212 * rtlanal.c (find_reg_note): Assert insn is not null.
12214 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12216 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12219 2006-01-11 Jeff Law <law@redhat.com>
12221 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12223 (mark_threaded_blocks, register_jump_thread): New functions.
12224 (thread_through_all_blocks): Remove unwanted argument. No
12225 longer rely on e->aux to communicate thread target info.
12226 Call mark_threaded_blocks. Release the threaded_blocks
12227 bitmap and threaded_edges vector when complete.
12228 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12229 (threaded_blocks): Remove.
12230 (tree_ssa_dominator_optimize): Remove initialization and
12231 finalization of threaded_blocks. Simplify call to
12232 thread_through_all_blocks.
12233 (thread_across_edge): Call register_jump_thread rather than
12234 storing thread information into e->aux.
12235 (free_all_edge_infos): Simplify now that e->aux is no longer
12236 used to communicate with thread_through_all_blocks.
12237 * tree-flow.h (thread_through_all_blocks): Update prototype.
12238 (register_jump_thread): Prototype.
12240 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12242 * df-core.c (df_compact_blocks, df_bb_replace): Use
12243 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12245 2006-01-11 Richard Guenther <rguenther@suse.de>
12247 PR tree-optimization/25734
12248 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12249 stop propagation after successful propagation to the LHS.
12251 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12253 * basic-block.h (control_flow_graph): Change the type of
12254 x_basic_block_info to VEC(basic_block,gc) *.
12255 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12257 (SET_BASIC_BLOCK): New.
12258 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12259 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12260 * cfgbuild.c (find_basic_blocks): Likewise.
12261 * cfglayout.c (fixup_reorder_chain): Likewise.
12262 * cfgrtl.c (create_basic_block_structure,
12263 rtl_create_basic_block): Likewise.
12264 * ifcvt.c (find_if_case_1): Likewise.
12265 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12268 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12270 * Makefile.in: Removed rotted odf.c entry.
12272 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12275 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12276 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12277 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12278 output pattern modifier, not %e.
12279 * config/cris/cris.c (cris_op_str): Update comment about pattern
12281 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12282 before falling through into...
12283 <case 'E'>: Redefined from old 'e' case.
12285 2006-01-11 Jan Hubicka <jh@suse.cz>
12288 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12290 2006-01-11 Jan Hubicka <jh@suse.cz>
12292 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12293 * i386.c (x86_decompose_lea): Kill.
12294 (ix86_rtx_costs): Kill.
12296 2006-01-11 Jan Hubicka <jh@suse.cz>
12298 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12299 * cgraph.h (cgraph_node): Add inline_decl.
12300 (cgraph_insert_node_to_hashtable): Declare.
12301 (save_inline_function_body): Declare.
12302 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12304 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12305 (cgraph_function_versioning): Update call of tree_function_versioning.
12306 (save_inline_function_body): New function.
12307 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12308 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12309 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12310 (cgraph_default_inline_p): Likewise.
12311 (cgraph_decide_inlining_incrementally): Likewise.
12312 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12313 (copy_bb): Kill saving; do updating of clones.
12314 (copy_cfg_body): Kill saving.
12315 (initialize_inlined-parameters): Likewise.
12316 (expand_call_inline): Likewise.
12318 (tree_function_versioning): New parameter "update_clones".
12319 (inlining_p): Kill saving.
12320 * tree-inline.h (tree_function_versioning): Update prototype.
12321 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12324 2006-01-11 Ian Lance Taylor <ian@airs.com>
12326 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12327 Allow undoing set of machine mode.
12328 (do_SUBST): Use enums instead of is_int.
12329 (do_SUBST_MODE): New function.
12330 (SUBST_MODE): New macro.
12331 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12332 reg and trying to replace reg_regno_rtx with a new register.
12333 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12334 (simplify_set): Use SUBST_MODE.
12335 (distribute_notes): Remove code that tried to update reg notes
12336 for regno_reg_rtx changes.
12338 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12340 PR tree-optimization/23109
12341 PR tree-optimization/23948
12342 PR tree-optimization/24123
12344 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12345 * tree-cfg.c (single_noncomplex_succ): New.
12346 * tree-flow.h (single_noncomplex_succ): Declare it.
12347 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12348 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12349 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12350 insert_bb, register_division_in, insert_reciprocals,
12351 replace_reciprocal, free_bb): New.
12352 (execute_cse_reciprocals_1): Rewritten.
12353 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12354 Do not commit any edge insertion. Always compute dominators and
12355 create the allocation pool.
12356 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12357 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12358 * targhooks.c (default_min_divistions_for_recip_mul): New.
12359 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12360 * passes.c (init_optimization_passes): Run recip after tree loop
12362 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12364 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12365 Kenneth Zadeck <zadeck@naturalbridge.com>
12367 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12368 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12369 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12370 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12371 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12372 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12373 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12374 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12375 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12376 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12377 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12378 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12379 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12380 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12381 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12382 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12383 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12384 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12385 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12386 DF_SCAN_POST_ALLOC): New macros.
12387 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12388 df_free_bb_function, df_local_compute_function, df_init_function,
12389 df_dataflow_function, df_confluence_function_0,
12390 df_confluence_function_n, df_transfer_function,
12391 df_finalizer_function, df_free_function, df_dump_problem_function,
12392 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12393 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12394 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12395 df_urec_bb_info, ) New types.
12396 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12398 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12399 df_analyze_simple_change_some_blocks,
12400 df_analyze_simple_change_one_block, df_compact_blocks,
12401 df_bb_replace, df_bb_regno_last_use_find,
12402 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12403 df_insn_regno_def_p, df_find_def, df_find_use,
12404 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12405 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12406 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12407 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12408 debug_df_chain, df_get_dependent_problem, df_chain_create,
12409 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12410 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12411 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12412 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12413 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12414 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12415 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12416 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12417 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12418 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12419 df_reorganize_refs, df_set_state, df_hard_reg_init,
12420 df_read_modify_subreg_p) New public functions.
12421 * df-core.c: The core dataflow solver and glue routines for rtl
12423 (df_init, df_add_problem, df_set_blocks, df_finish,
12424 df_hybrid_search_forward, df_hybrid_search_backward,
12425 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12426 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12427 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12428 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12429 df_reg_defined, df_find_use, df_reg_used, df_dump,
12430 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12431 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12432 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12433 debug_df_useno, reset_df_after_reload): New functions.
12434 * df-scan.c: The scanning fuctions, once in df.c, completely
12435 rewritten so that they now fully model the functionality of
12436 register usage at the backend.
12437 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12438 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12439 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12440 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12441 df_get_artificial_defs, df_get_artificial_uses,
12442 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12443 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12444 df_refs_delete, df_reorganize_refs, df_set_state,
12445 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12446 df_def_record_1, df_defs_record, df_uses_record,
12447 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12448 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12449 df_record_exit_block_uses, df_hard_reg_init): New functions.
12451 * df-problems.c: Seven concrete dataflow problems that use the
12452 scanning in df-scan.c and are solved by the engine in df-core.c.
12453 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12454 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12455 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12456 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12457 df_ru_free_bb_info, df_ru_alloc,
12458 df_ru_bb_local_compute_process_def,
12459 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12460 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12461 df_ru_transfer_function, df_ru_free, df_ru_dump,
12462 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12463 df_rd_free_bb_info, df_rd_alloc,
12464 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12465 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12466 df_rd_transfer_function, df_rd_free, df_rd_dump,
12467 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12468 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12469 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12470 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12471 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12472 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12473 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12474 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12475 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12476 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12477 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12478 df_urec_mark_reg_use_for_earlyclobber,
12479 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12480 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12481 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12482 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12483 df_chain_create_bb_process_use, df_chain_create_bb,
12484 df_chain_finalize, df_chain_free, df_chains_dump,
12485 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12486 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12487 df_reg_lifetime): New functions.
12488 * df.c: Deleted file.
12489 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12490 consistent with new df api.
12491 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12492 rest_of_handle_sms): Ditto.
12493 * web.c (unionfind_union, union_defs, entry_register, web_main):
12495 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12496 invariant_expr_equal_p, find_defs, check_dependencies,
12497 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12498 free_inv_motion_data, move_loop_invariants): Ditto.
12499 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12500 Update dependencies.
12501 (odf.c): Added defective entry that was deleted later in day.
12502 * sched-deps.c (sched_analyze_1): Ditto.
12504 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12506 * tree-ssa-operands.c (get_expr_operands): Record addressable
12507 variables directly. Do not call add_stmt_operands for CONST_DECLs
12509 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12510 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12512 2006-01-11 Ben Elliston <bje@au.ibm.com>
12514 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12515 function returns true in the positive case.
12517 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12520 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12521 for SI, DI, SF and DF modes. Add alternatives to copy between
12522 general and floating point registers to the 32-bit patterns.
12523 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12524 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12525 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12526 generating 64-bit code.
12527 * config/pa/pa.c (output_move_double): Handle copies between general
12528 and floating registers.
12530 2006-01-10 Stuart Hastings <stuart@apple.com>
12532 * config/i386/i386.md (set_got): Update.
12533 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12534 (builtin_setjmp_receiver): Mach-O support.
12535 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12536 (GOT_SYMBOL_NAME): Define.
12537 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12538 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12539 * config/i386/i386.c (override_options): Revise for Darwin.
12540 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12541 support. (darwin_x86_file_end): New. (output_set_got): Add label
12542 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12543 * config/i386/i386-protos.h (output_set_got): Likewise.
12544 * config/darwin.c (machopic_legitimize_pic_address): Update
12547 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12549 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12550 when MODE isn't BLKmode.
12552 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12554 PR rtl-optimization/25367
12555 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12557 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12560 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12561 for a negative bound.
12563 2006-01-10 Richard Guenther <rguenther@suse.de>
12565 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12566 Never override with anything constraint.
12568 2006-01-10 Jan Beulich <jbeulich@novell.com>
12570 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12571 256 bits when optimize_size.
12573 2006-01-10 Jan Beulich <jbeulich@novell.com>
12575 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12577 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12578 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12581 2006-01-10 Ben Elliston <bje@au.ibm.com>
12583 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12585 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12586 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12587 (USE_FP_FOR_ARG): Reject decimal float modes.
12588 (function_arg_advance): Likewise.
12589 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12590 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12591 point types in AltiVec vectors.
12592 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12593 (rs6000_libcall_value): Likewise.
12595 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12597 * config/xtensa/ieee754-df.S: New file.
12598 * config/xtensa/ieee754-sf.S: New file.
12599 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12600 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12601 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12603 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12605 * config/sh/predicates.md (binary_float_operator,
12606 binary_logical_operator, commutative_float_operator,
12607 equality_comparison_operator, greater_comparison_operator,
12608 less_comparison_operator, logical_operator,
12609 noncommutative_float_operator, shift_operator,
12610 symbol_ref_operand, unary_float_operator): Remove redundant
12613 2006-01-09 Jeff Law <law@redhat.com>
12615 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12616 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12617 now unused arguments. Callers updated.
12618 (eliminate_redundant_computations): Remove now unused arguments,
12620 (local_fold): Remove, no longer used.
12621 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12623 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12624 (simplify_cond): New function.
12625 (forward_propagate_into_cond): Call simplify_cond.
12627 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12629 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12630 (*vec_extractv2di_1_sse): New.
12632 2006-01-09 Ben Elliston <bje@au.ibm.com>
12634 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12636 2006-01-08 Richard Guenther <rguenther@suse.de>
12638 * tree-ssa-structalias.c (get_constraint_for): Remove
12639 anyoffset argument.
12640 (get_constraint_for_component_ref): Likewise.
12641 (do_deref): Likewise.
12642 (get_constraint_for): Likewise.
12643 (do_structure_copy): Likewise.
12644 (handle_ptr_arith): Likewise.
12645 (find_func_aliases): Likewise. Remove unused need_anyoffset
12648 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12649 Kaz Kojima <kkojima@gcc.gnu.org>
12651 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12652 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12653 (EXTRA_CONSTRAINT_C16): Remove.
12654 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12655 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12656 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12657 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12658 constants of SHmedia. Handle nested constant expressions of
12660 (andcosts): Fix the costs for SHmedia constants.
12661 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12662 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12663 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12664 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12665 (movv4hi_i, movv2si_i): Likewise.
12666 (movsi_const): Adjust the second operand of ior so to match with
12667 the Csu constraint.
12668 (movdi_const, movdi_const_32bit): Likewise.
12669 (movdi_const_16bit+1): Don't sign-extend LOW.
12670 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12672 (*double_shori): Fix the split condition. Use GEN_INT instead
12673 of get_int_mode calls. Mask lower 16-bit of the argument of
12675 (sym2GOTPLT): Remove.
12676 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12678 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12679 instead of EXTRA_CONSTRAINT_C16.
12681 2006-01-07 Ian Lance Taylor <ian@airs.com>
12682 David Edelsohn <edelsohn@gnu.org>
12684 PR rtl-optimization/25662
12685 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12686 for constant operands instead of simplify_gen_binary.
12687 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12688 after trying simplify_binary_operation
12690 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12692 * tree.c (iterative_hash_expr): Hash decls based on UID.
12694 2006-01-06 Eric Christopher <echristo@apple.com>
12696 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12697 (TARGET_UNWIND_EMIT): Fix spelling.
12698 * target.h (gcc_target): Add except_table_label.
12699 * except.c (output_function_exception_table): Use.
12700 * varasm.c (default_emit_except_table_label): New.
12701 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12703 (asm_out): Add here.
12704 * output.h (default_emit_except_table_label): Prototype.
12705 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12706 * config/darwin.c (darwin_emit_except_table_label): Define.
12707 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12709 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12711 PR tree-optimization/18527
12712 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12713 number_of_iterations_special, number_of_iterations_exit):
12714 Move base and step of an iv to a single structure. Add
12715 no_overflow flag, and use it in # of iterations analysis.
12716 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12717 folded_casts argument.
12718 (simple_iv): Pass base and step in a structure. Set no_overflow
12720 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12721 Evaluate expensiveness of computing # of iterations instead of
12722 the final expression.
12723 * tree-scalar-evolution.h (affine_iv): New structure.
12724 (simple_iv): Declaration changed.
12725 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12726 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12727 find_givs_in_stmt): Changed due to simple_iv change.
12729 2006-01-06 Jeff Law <law@redhat.com>
12732 * tree-cfg.c (bsi_replace): Rename final argument from
12733 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12734 change (stmt -> orig_stmt).
12735 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12736 (bsi_remove): Add new argument. Remove EH information
12738 (verify_eh_throw_table_statements): New function.
12739 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12741 * tree-optimize.c (execute_free_cfg_annotations): Verify
12742 the EH throw statement table after removing annotations.
12743 * except.h (verify_eh_throw_table_statements): Prototype.
12744 * tree-flow.h (bsi_remove): Update prototype.
12745 * tree-vrp.c (remove_range_assertions): Add new argument to
12747 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12748 * tree-complex.c (expand_complex_div_wide): Likewise.
12749 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12750 * tree-tailcall.c (eliminate_tailcall): Likewise.
12751 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12752 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12753 * tree-nrv.c (tree_nrv): Likewise.
12754 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12755 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12756 (combine_blocks): Likewise.
12757 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12758 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12759 (cleanup_control_flow): Likewise.
12760 (remove_forwarder_block): Likewise.
12761 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12762 * tree-sra.c (sra_replace): Likewise.
12763 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12764 (forward_propagate_single_use_vars): Likewise.
12765 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12766 * tree-inline.c (expand_call_inline): Likewise.
12767 * tree-vect-transform.c (vect_transform_loop): Likewise.
12768 * tree-outof-ssa.c (rewrite_trees): Likewise.
12769 * tree-cfg.c (make_goto_expr_edges): Likewise.
12770 (cleanup_dead_labels): Likewise.
12771 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12772 (bsi_move_before, bsi_move_after): Likewise.
12773 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12774 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12776 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12779 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12781 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12782 on non gimple variables. Also add checks at the top for decls and
12784 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12786 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12787 and IMAGPART_EXPR for creating MUST_DEFs.
12788 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12789 and NAME_MEMORY_TAG separately from the DECLs.
12791 2006-01-06 Richard Guenther <rguenther@suse.de>
12793 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12794 annotation, if necessary.
12795 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12796 redundant calls to update_stmt.
12797 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12800 2006-01-05 Richard Henderson <rth@redhat.com>
12802 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12804 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12806 * c-typeck.c: Update copyright date.
12808 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12810 * c-typeck.c (build_c_cast): Always warn when casting
12811 from a pointer to an integer of different size, even if
12812 the node was constant.
12814 2006-01-05 Richard Guenther <rguenther@suse.de>
12816 PR tree-optimization/22555
12817 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12818 if one structure field is an array.
12819 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12820 operands even if we found a subvar, but ignore VOPs in this
12822 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12824 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12826 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12828 PR middle-end/24998
12829 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12831 2006-01-05 Richard Guenther <rguenther@suse.de>
12832 Diego Novillo <dnovillo@redhat.com>
12834 * tree-pass.h (TODO_remove_unused_locals): Define.
12835 * gimple-low.c (expand_var_p, remove_useless_vars,
12836 pass_remove_useless_vars): Remove. Update all users.
12837 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12838 (remove_unused_locals): New function.
12839 * tree-flow.h (remove_unused_locals): Declare.
12840 * passes.c (execute_todo): Call remove_unused_locals if
12841 TODO_remove_unused_locals is set.
12842 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12843 * tree-ssa-dce.c (pass_dce): Likewise.
12844 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12846 2006-01-05 Richard Guenther <rguenther@suse.de>
12848 * tree-flow.h (struct fieldoff): Decompose field to
12849 type, size and decl.
12850 * tree-ssa-alias.c (create_sft): Take type as parameter.
12851 (create_overlap_variables_for): Store type, size and decl
12852 in the fieldoff structure.
12853 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12854 of struct fieldoff.
12855 (push_fields_onto_fieldstack): Likewise.
12856 (create_variable_info_for): Likewise. Use offset for the
12857 SFT name if the decl is not available.
12859 2006-01-04 Paul Brook <paul@codesourcery.com>
12861 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12863 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12865 * lambda-code.c (can_put_in_inner_loop): Relax
12867 (can_put_after_inner_loop): New function.
12868 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12869 (perfect_nestify): Change to make copies and modify uses.
12871 2006-01-04 Richard Henderson <rth@redhat.com>
12873 Merge from gomp branch:
12874 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12875 via integer constant.
12876 (pragma_lex): Remove.
12877 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12878 rather than parsing it.
12879 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12880 handle_pragma_extern_prefix): Add %< %> quotes.
12881 (registered_pragmas): New.
12882 (c_register_pragma_1): New.
12883 (c_register_pragma): Use it.
12884 (c_register_pragma_with_expansion): Likewise.
12885 (c_invoke_pragma_handler): New.
12886 (init_pragma): Use cpp_register_deferred_pragma directly for
12888 * c-pragma.h (enum pragma_kind): New.
12889 (pragma_handler): New.
12890 (c_invoke_pragma_handler): Declare.
12891 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12893 * c-common.h (c_common_pch_pragma): Update decl.
12894 * Makefile.in (c-parser.o): Update dependencies.
12895 (GTFILES): Add c-pragma.h.
12896 * c-parser.c (struct c_token): Add pragma_kind.
12897 (struct c_parser): Add in_pragma.
12898 (c_lex_one_token): Always initialize keyword and pragma_kind.
12899 Extract data for CPP_PRAGMA.
12900 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12901 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12902 Don't allow CPP_PRAGMA_EOL if in_pragma.
12903 (c_parser_consume_pragma): New.
12904 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12905 (c_parser_skip_to_end_of_parameter): Likewise.
12906 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12907 (c_parser_skip_to_pragma_eol): New.
12908 (c_parser_external_declaration): Handle CPP_PRAGMA.
12909 (c_parser_compound_statement_nostart): Likewise.
12910 (c_parser_statement_after_labels): Likewise.
12911 (c_parser_pragma): New.
12912 (pragma_lex): Likewise.
12913 (c_parser_pragma_pch_preprocess): New.
12914 (c_parser_new): Merge into ...
12915 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12917 2006-01-04 Jeff Law <law@redhat.com>
12920 * tree-cfg.c (bsi_replace): Remove the original statement
12921 from the EH throw statement table.
12923 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12925 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12926 make the prototype extern "C" and add throw ().
12929 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12930 and pos non-negative and pos + len <= 32.
12931 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12932 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12933 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12936 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12937 as well as sizes not multiple of component size.
12940 * function.c (instantiate_expr): New function.
12941 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12942 walk its DECL_VALUE_EXPR with instantiate_expr.
12944 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12945 DW_OP_deref{,_size} if address isn't going to be added.
12947 2006-01-04 Ben Elliston <bje@au.ibm.com>
12949 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12950 * config/fp-bit.c: Likewise.
12952 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12954 * dominance.c: Add comment about why we use DFS numbering
12957 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12958 Richard Henderson <rth@redhat.com>
12960 Merge from gomp-branch:
12961 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12962 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12964 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12966 PR rtl-optimization/25578
12967 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12968 pass a parameter to simplify_shift_const if changing ASHIFTRT
12971 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12973 * builtins.c (get_builtin_sync_mem): New function.
12974 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12975 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12976 Call get_builtin_sync_mem to generate mem rtx.
12978 2006-01-03 Richard Guenther <rguenther@suse.de>
12981 * stmt.c (add_case_node): Make sure to clear overflow flags
12984 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12986 Merge from gomp-branch.
12987 * config/sparc/sync.md: New file.
12988 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12989 UNSPECV_LDSTUB): New constants.
12990 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12991 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12992 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12995 2006-01-03 Roger Sayle <roger@eyesopen.com>
12997 * combine.c (reg_subword_p): New predicate to test whether the
12998 destination of a set refers to a subword/piece of a register.
12999 (try_combine): Generalize the code to merge the setting of a
13000 pseudo to a constant followed by a set of a subword of that
13001 register to a constant.
13003 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13005 * basic-block.h (control_flow_graph): Change the type of
13006 x_label_to_block_map to VEC(basic_block,gc) *.
13007 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13008 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13010 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13011 VEC(basic_block,heap) *.
13012 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13013 ssa_prop_fini): Adjust the uses of cfg_blocks.
13015 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13017 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13019 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13020 hashing trees instead of a pointer hash.
13021 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13022 compare for MEM_EXPR.
13024 PR rtl-optimization/25130
13025 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13026 when comparing MEMs for GCSE
13028 2006-01-03 Ben Elliston <bje@au.ibm.com>
13030 * targhooks.h (default_decimal_float_supported_p): Declare.
13031 * targhooks.c (default_decimal_float_supported_p): Define.
13032 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13033 `default_decimal_float_supported_p'.
13034 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13036 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13038 * combine.c (apply_distributive_law <SUBREG>): Check
13039 TRULY_NOOP_TRUNCATION.
13041 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13043 * dwarf2out.c (have_switched_text_section): Delete.
13044 (have_multiple_function_sections): New.
13045 (have_location_lists): Make 'bool'.
13046 (add_AT_loc_list): Use 'true' not '1'.
13047 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13048 (output_loc_list): Use have_multiple_function_sections.
13049 (output_ranges): Likewise.
13050 (dwarf2out_begin_function): Set have_multiple_function_sections if
13052 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13053 Check function_section rather than DECL_SECTION_NAME.
13054 (dwarf2out_finish): Use have_multiple_function_sections.
13055 Don't clear have_location_lists.
13057 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13058 Jan Hubicka <jh@suse.cz>
13060 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13061 case of conditional jump jumping to the next instruction.
13062 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13063 cases of conditional jump jumping to the next instruction.
13065 2006-01-02 Jan Hubicka <jh@suse.cz>
13067 * i386.c (*_cost): Add COSTS_N_INSNS.
13068 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13070 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13073 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13075 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13077 * config/arm/arm.c (all_fpus): Fix comment typo.
13078 * config/darwin.c: Likewise.
13079 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13080 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13081 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13083 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13085 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13086 (rs6000_split_compare_and_swapqhi): New.
13087 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13088 (sync_compare_and_swapqhi_internal): New.
13089 * config/rs6000/rs6000-protos.h: Declare.