1 2006-07-07 Roger Sayle <roger@eyesopen.com>
3 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4 * cfgloopanal.c (dump_graph): Likewise.
5 * dojump.c (discard_pending_stack_adjust): Likewise.
6 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
9 * function.c (finalize_block_changes): Likewise.
10 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
11 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
12 * rtl.c (dump_rtx_statistics): Likewise.
13 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
15 * varray.c (dump_varray_statistics): Likewise.
16 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
17 decode_decimal64, encode_decimal128, decode_decimal128,
18 decimal_real_to_decimal): Likewise.
20 2006-07-07 Richard Guenther <rguenther@suse.de>
22 PR tree-optimization/28187
23 * tree-vrp.c (vrp_operand_equal_p): New function.
24 (vrp_bitmap_equal_p): Likewise.
25 (update_value_range): Use them to compare old and new
28 2006-07-06 Roger Sayle <roger@eyesopen.com>
30 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
31 a default case to switch statement to silence compiler warnings.
33 2006-07-06 Roger Sayle <roger@eyesopen.com>
36 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
37 the configured assembler supports the x87's ffreep mnemonic.
38 * configure: Regenerate.
39 * config.in: Regenerate.
41 * config/i386/i386.c (output_387_ffreep): New function.
42 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
43 (output_387_reg_move): Likewise.
45 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
47 Port to hosts whose 'sort' and 'tail' implementations
48 treat operands with leading '+' as file names, as POSIX
49 has required since 2001. However, make sure the code still
50 works on pre-POSIX hosts.
51 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
52 which says you should use "tail -c +N" rather than "tail +Nc".
53 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
55 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
57 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
60 2006-07-06 David Edelsohn <edelsohn@gnu.org>
63 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
64 PRE_{INC,DEC} of TFmode.
66 2006-07-06 David Edelsohn <edelsohn@gnu.org>
67 Alan Modra <amodra@bigpond.net.au>
70 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
73 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
76 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
79 2006-07-05 Jason Merrill <jason@redhat.com>
83 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
84 * c-common.c (handle_packed_attribute): So don't copy it here.
85 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
87 2006-07-05 Mike Stump <mrs@apple.com>
89 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
91 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
94 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
96 2006-07-05 Richard Guenther <rguenther@suse.de>
99 * config/i386/i386.md (*negdf2_1): Restrict pattern to
100 TARGET_SSE2 targets if using SSE math.
101 (*absdf2_1): Likewise.
103 2006-07-05 Richard Guenther <rguenther@suse.de>
105 PR tree-optimization/28162
106 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
107 make sure to convert the operands to the correct type.
109 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
111 PR tree-optimization/28218
113 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
114 to calculate and free the dominator information.
116 2006-07-04 Peter O'Gorman <peter@pogma.com>
118 * mklibgcc.in: chmod 644 before ranlib during install.
120 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
121 J"orn Rennecke <joern.rennecke@st.com>
123 * configure.ac (.eh_frame data check): Use diff -b.
125 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
128 * Makefile.in (BUILD_RTL): Add build/vec.o.
129 (build/gencondmd.o): Filter out -fkeep-inline-functions.
130 (build/genextract): Delete.
131 (build/genautomata): Likewise.
133 2006-07-04 Alan Modra <amodra@bigpond.net.au>
136 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
137 128-bit IBM long doubles for ABI_V4.
139 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
141 * tree.c (range_in_array_bounds_p): New predicate.
142 * tree.h (range_in_array_bounds_p): Declare it.
143 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
144 return a less conservative answer.
145 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
147 (IS_ELEMENT_FOR_GROUP): New macro.
148 (FOR_EACH_ACTUAL_CHILD): Likewise.
149 (next_child_for_group): New helper function.
150 (can_completely_scalarize_p): Take into account groups.
151 (sra_hash_tree): Handle RANGE_EXPR.
152 (sra_elt_eq): Likewise.
153 (lookup_element): Be prepared for handling groups.
154 (is_valid_const_index): Delete.
155 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
156 instead of is_valid_const_index.
157 <ARRAY_RANGE_REF>: New case.
158 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
159 is_valid_const_index.
160 <ARRAY_RANGE_REF>: Do not unconditionally punt.
161 (scan_dump): Dump info for groups too.
162 (decide_instantiation_1): Likewise.
163 (decide_block_copy): Assert that the element is not a group.
164 Propagate decision to groups.
165 (generate_one_element_ref): Handle RANGE_EXPR.
166 (mark_no_warning): Iterate over actual childs.
167 (generate_copy_inout): Likewise.
168 (generate_element_copy): Likewise.
169 (generate_element_zero): Likewise.
170 (generate_element_init_1): Likewise.
171 (dump_sra_elt_name): Handle RANGE_EXPR.
173 2006-07-03 Roger Sayle <roger@eyesopen.com>
175 PR tree-optimization/26251
176 * tree-ssa-threadupdate.c (redirection_block_p): New function.
177 (thread_block): When optimizing for size refuse to thread jumps
178 that would require duplication of blocks other than redirection
181 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
183 * configure.ac: Fix thinko in previous check-in.
184 * configure: Regenerate.
186 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
189 * configure.ac (for lang...): Simplify nesting of conditionals.
190 Test subdir_requires for non-enabled languages. Move processing
191 of lang_opt_files and lang_tree_fiels below that test.
192 * configure: Regenerate.
193 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
195 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
197 * doc/gcov.texi (Invoking Gcov): Add a missing word.
199 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
201 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
204 2006-06-29 Jason Merrill <jason@redhat.com>
211 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
212 * c-common.c (c_determine_visibility): Handle it here.
213 * c-decl.c (finish_decl): Call c_determine_visibility for
215 * flags.h (enum symbol_visibility): Sort from most to least visibility.
217 * varasm.c (default_assemble_visibility): Likewise.
218 * c-common.c (handle_visibility_attribute): Complain about trying
219 to give visibility to an already defined class, or trying to change
220 declared visibility. Always attach the attribute.
225 * attribs.c (decl_attributes): Ignore type-in-place attributes
226 once the type has been defined.
228 2006-06-29 Roger Sayle <roger@eyesopen.com>
231 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
232 to indicate the cpplib has issued an error message for us.
234 2006-06-29 Asher Langton <langton2@llnl.gov>
237 * config/i386/i386.c (ix86_output_function_epilogue): Don't
238 insert a label at the end of an function under Mach-O.
240 2006-06-29 Eric Christopher <echristo@apple.com>
241 Evan Cheng <evan.cheng@apple.com>
243 * predicates.md (vector_all_ones_operand): New.
244 (nonimmediate_or_sse_const_operand): Ditto.
245 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
246 * config/i386/i386.c (standard_sse_constant_opcode): Define.
247 (standard_sse_mode_p): Ditto.
248 (standard_sse_constant_p): Add case for -1 vector.
249 (ix86_expand_vector_move): Try to use.
250 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
251 Call standard_sse_constant_opcode.
252 (*movv4sf_internal): Ditto.
253 (*movv2df_internal): Ditto.
255 2006-06-29 Roger Sayle <roger@eyesopen.com>
257 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
258 of XEXP to extract the operands of a MATCH_CODE rtx.
260 2006-06-28 Andrew Pinski <pinskia@gmail.com>
262 * tree.c (tree_size): Do not waste tail padding in
263 struct tree_string and make the size be the same as
264 build_string will generate.
266 2006-06-28 Jason Merrill <jason@redhat.com>
269 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
270 may_aliases already in the tag's annotations to the bitmap.
272 2006-06-28 Roger Sayle <roger@eyesopen.com>
274 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
276 2006-06-28 Roger Sayle <roger@eyesopen.com>
278 * genpreds.c (generate_switch_p): New function.
279 (add_mode_tests): Push the new mode test down inside an AND expr
280 if this allows the switch-suitable MATCH_CODE to be near the root.
281 (write_match_code_switch): New function to write a MATCH_CODE as
283 (write_predicate_stmts): New function to write a predicate RTX
284 expression as a sequence of statements.
285 (write_one_predicate_function): Use write_predicate_stmts.
286 (write_tm_constrs_h): Likewise.
288 2006-06-26 Fred Fish <fnf@specifix.com>
290 * config/mips/t-sb1: New file.
291 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
294 2006-06-26 DJ Delorie <dj@redhat.com>
296 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
298 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
299 Jayant Sonar <jayants@kpitcummins.com>
300 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
302 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
303 (subsi3, subsi3_1, subsi3_2): New.
304 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
305 * config/m32c/mov.md (SI mov peephole): New.
306 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
307 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
309 2006-06-26 Olivier Hainque <hainque@adacore.com>
311 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
312 a CALL_EXPR target function declaration.
314 2006-06-26 Richard Guenther <rguenther@suse.de>
316 * tree.c (build_string): Do not waste tail padding in
319 2006-06-26 Richard Guenther <rguenther@suse.de>
321 * ggc-page.c (init_ggc): Add missing element to size_lookup
325 2006-06-23 Richard Guenther <rguenther@suse.de>
327 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
328 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
329 alignment requests instead. Add verification code.
330 Add struct tree_function_decl and struct tree_binfo size to
331 extra_order_size_table. Add missing element to size_lookup
334 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
337 * fold-const.c (const_binop): Be prepared for self returning zero.
338 Simplify code handling complex values.
340 2006-06-24 Olivier Hainque <hainque@adacore.com>
342 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
343 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
346 2006-06-24 Olivier Hainque <hainque@adacore.com>
348 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
349 ARRAY_REF, so have the callback called for the low bound expression.
351 2006-06-23 Janis Johnson <janis187@us.ibm.com>
353 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
354 * c-typeck.c (c_common_type): Disallow operations on decimal float
355 types and other float types.
356 * convert.c (convert_to_real): Don't ignore conversions involving
359 2006-06-23 Olivier Hainque <hainque@adacore.com>
361 * tree.c (max_int_size_in_bytes): New function, inspired from
362 code in function.c:assign_temp.
363 * tree.h (max_int_size_in_bytes): Declare.
364 * function.c (assign_temp): Use it.
365 * gimplify.c (create_tmp_var): Relax the assertions on the type
366 properties, not mandating constant size any more.
367 (force_constant_size): New static function.
368 (gimple_add_tmp_var): Use it, forcing variable size to a
369 constant upper bound if it is not constant on entry.
371 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
374 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
375 for initialization and setting of one_only flag to ...
376 (i386_pe_encode_section_info): ...here.
377 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
378 Recheck that the symbol has not been defined.
380 2006-06-23 Richard Guenther <rguenther@suse.de>
382 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
383 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
384 alignment requests instead. Add verification code.
385 Add struct tree_function_decl and struct tree_binfo size to
386 extra_order_size_table. Add missing element to size_lookup
389 2006-06-22 Roger Sayle <roger@eyesopen.com>
390 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
393 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
394 call to lang_hooks.types.type_for_mode returned NULL_TREE.
396 2006-06-23 Ben Elliston <bje@au.ibm.com>
398 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
399 negate dn -- manipulate it directly.
401 2006-06-22 Roger Sayle <roger@eyesopen.com>
402 Steven Bosscher <stevenb.gcc@gmail.com>
405 * reload1.c (gen_reload): Call mark_jump_label on the new insns
406 generated by gen_move_insn to add REG_LABEL notes if necessary.
408 2006-06-22 Bob Wilson <bob.wilson@acm.org>
410 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
411 (leaf_entry): Remove use of MIN_ESA.
413 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
415 PR rtl-optimization/28121
416 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
419 2006-06-21 DJ Delorie <dj@redhat.com>
421 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
423 (mulhisi3_r): Likewise.
425 2006-06-21 Richard Sandiford <richard@codesourcery.com>
428 * coverage.c (coverage_counter_alloc): Leave the index type
430 (coverage_counter_alloc): Use null arguments for operands 2 and 3
433 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
435 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
436 section from the "Options for Code Generation Conventions".
438 2006-06-21 Richard Henderson <rth@redhat.com>
442 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
444 (global_symbolic_operand): Allow weak symbols, even if local_p.
446 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
448 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
449 (find_interesting_uses_address): Punt if above function returns true.
451 2006-06-21 Richard Guenther <rguenther@suse.de>
453 * configure: Regenerated.
455 2006-06-21 Joseph Myers <joseph@codesourcery.com>
457 * config/mips/mips.c (function_arg): Where one part of a
458 complex argument is in registers and the other part in the stack,
459 return a REG not a PARALLEL.
461 2006-06-21 Mark Mitchell <mark@codesourcery.com>
463 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
464 when cross-compiling. Do not substitute libstdcxx_incdir.
465 * configure: Regenerated.
467 2006-06-21 Jakub Jelinek <jakub@redhat.com>
469 * varasm.c (mergeable_string_section): Check for embedded NULs and
470 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
471 rather than TREE_STRING_LENGTH bytes.
473 2006-06-21 Richard Guenther <rguenther@suse.de>
475 * ggc-page.c (extra_order_size_table): Add var_ann_d,
476 tree_ssa_name, bitmap_element and phi_node with 4 arguments
479 2006-06-21 Richrad Guenther <rguenther@suse.de>
481 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
482 Limit iteration over the dominators.
484 2006-06-20 Roger Sayle <roger@eyesopen.com>
486 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
487 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
489 2006-06-20 Richard Guenther <rguenther@suse.de>
490 Michael Matz <matz@suse.de>
492 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
494 * alloc-pool.c (free_alloc_pool_if_empty): New function.
495 * et-forest.h (et_free_pools): Prototype new function.
496 * et-forest.c (et_free_tree_force): Free parent occurrence.
497 (et_free_pools): New function.
498 * dominance.c (free_dominance_info): Free et-forest alloc
501 2006-06-20 Roger Sayle <roger@eyesopen.com>
503 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
504 integer modes, attempt to directly construct an integer constant.
506 * fold-const.c (native_encode_vector): Determine the size of each
507 element from the vector type instead of the first vector element.
509 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
510 if all of its elements/components are constant.
511 (build_constructor_from_list): Likewise.
513 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
515 PR tree-optimization/27331
516 * tree-data-ref.c (free_data_ref): New function.
517 (create_data_ref): Fail if the data reference has unknown access
519 (free_data_refs): Use free_data_ref.
521 2006-06-19 Andrew Pinski <pinskia@gmail.com>
524 * tree-inline.c (setup_one_parameter): Strip useless
525 type conversion before adding it to the IR.
526 (declare_return_variable): Likewise.
528 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
531 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
533 2006-06-19 Mike Stump <mrs@apple.com>
535 * tree.c (variably_modified_type_p): VM arguments don't make the
538 2006-06-19 Richard Guenther <rguenther@suse.de>
540 * tree-ssa-pre.c (try_combine_conversion): Strip useless
541 type conversions after folding.
543 2006-06-19 Richard Guenther <rguenther@suse.de>
545 * ggc-page.c (extra_order_size_tab): Add entries with
546 size of struct function and basic_block.
547 (size_lookup): Extend to cover sizes up to 511.
548 (ggc_alloc_stat): Adjust user.
549 (ggc_pch_count_object): Likewise.
550 (ggc_pch_alloc_object): Likewise.
551 (ggc_pch_write_object): Likewise.
553 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
555 * tree-ssa-loop-niter.c (implies_ge_p): New function.
556 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
559 2006-06-19 Denis Chertykov <denisc@overta.ru>
561 * config/avr/libgcc.S : Correct my wrong previous commit.
563 2006-06-19 Roger Sayle <roger@eyesopen.com>
566 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
567 have stripped a SUBREG from the shift count, so we may need to
568 convert_to_mode back to the type's mode before calling make_tree.
569 Use new_amount instead of amount to avoid expanding a tree twice.
571 2006-06-19 Richard Guenther <rguenther@suse.de>
574 * fold-const.c (operand_equal_p): Check if the argument types
575 have the same precision before stripping NOPs.
577 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
579 Fix PR tree-optimization/27341
580 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
582 * tree-complex.c (pass_lower_complex): Update SMT usage.
584 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
586 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
587 Add a new alternative to the constraint strings. Add move of
588 operand 1 to 3 to the splitter definition.
589 ("doloop_si_long"): Second contraint alternative removed.
591 2006-06-08 Anatoly Sokolov <aesok@post.ru>
593 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
594 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
596 (AVR_HAVE_MOVW) Define.
597 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
598 (ASM_SPEC): Add avr25.
599 (LINK_SPEC): Add avr25.
600 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
601 (base_arch_s): Add new member 'have_movw_lpmx'.
602 (avr_arch_types): Init 'have_movw_lpmx'.
603 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
604 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
605 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
606 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
607 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
609 (avr_file_start): Do not output '.arh' derective.
610 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
611 (__do_copy_data): Use __AVR_HAVE_LPMX__.
612 * config/avr/avr.md (mcu_enhanced): Delete.
613 (mcu_have_movw): Define.
614 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
615 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
616 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
617 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
618 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
619 attiny861 and at86rf401 devices.
621 2006-06-18 Jie Zhang <jie.zhang@analog.com>
623 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
626 2006-06-17 Karl Berry <karl@gnu.org>
628 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
629 doc/gccint.texi, doc/install.texi (@dircategory): Use
630 "Software development" instead of "Programming", following
631 the Free Software Directory.
633 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
635 * config/i386/i386.c (legitimate_tls_address)
636 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
637 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
638 (*tls_dynamic_gnu2_combine_64): Likewise.
640 2006-06-16 Richard Guenther <rguenther@suse.de>
643 * fold-const.c (negate_expr_p): Do not introduce undefined
644 overflow in negating INTEGER_CSTs.
645 (fold_negate_expr): Rename from negate_expr. Revert last
646 change for folding BIT_NOT_EXPR. Change semantics to
647 return NULL_TREE for non-simplified negations. Do not
648 strip type conversions and unify type handling.
649 (negate_expr): New function, wrap around fold_negate_expr
650 but ensure building a tree always. Strip type conversions
651 here, fold to result type.
652 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
654 2006-06-16 Roger Sayle <roger@eyesopen.com>
657 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
658 that (would) return their results in stack registers.
660 2006-06-16 Michael Matz <matz@suse.de>
661 Richard Guenther <rguenther@suse.de>
663 * fold-const.c (fold_truthop): Only return new tree node if
664 we canonicalized something.
666 2006-06-16 Richard Guenther <rguenther@suse.de>
668 * function.h (enum function_frequency): Move declaration
669 out of struct function.
670 (struct function): Move bool fields and the enum to the bitfield
671 section. Reorder elements to avoid padding. Remove unused
672 fields left over from the RTL inliner removal.
673 * function.c (free_after_compilation): Do not zero removed fields.
674 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
675 (ipa-type-escape.o): Likewise.
677 2006-06-16 Richard Guenther <rguenther@suse.de>
679 * cgraph.h (struct cgraph_local_info): Turn bool elements
681 (struct cgraph_node): Likewise.
682 (struct cgraph_varpool_node): Likewise.
684 2006-06-15 Richard Guenther <rguenther@suse.de>
686 * fold-const.c (fold_truth_not_expr): Rename from
687 invert_truthvalue. Give it fold_* semantics to avoid
689 (invert_truthvalue): New function. Wrapper around
691 (optimize_minmax_comparison): Avoid creating garbage.
692 (fold_unary): Use fold_truth_not_expr for folding
694 (fold_ternary): Replace uses of invert_truthvalue with
695 fold_truth_not_expr where applicable.
696 * tree.h (fold_truth_not_expr): Prototype.
698 2006-06-16 Richard Guenther <rguenther@suse.de>
700 PR tree-optimization/27781
701 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
702 * ipa-pure-const.c (target.h): Include.
703 (analyze_function): Do not analyze functions that do not
706 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
709 * tree-dfa.c (referenced_vars_dup_list): Remove.
710 (find_referenced_vars): Remove assert.
711 (referenced_var_check_and_insert): Replace dup list with assert.
712 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
713 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
715 2006-06-15 Richard Guenther <rguenther@suse.de>
717 * tree-ssa-structalias.c (alias_get_name): Avoid creating
718 extra unused identifiers if not dumping.
719 (create_variable_info_for): Likewise.
721 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
723 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
724 (derive_constant_upper_bound): Derive more precise upper bound in
725 common cases. Return type changed to double_int.
726 (record_estimate): Reflect the changed return type of
727 derive_constant_upper_bound.
728 * double-int.c (double_int_zext, double_int_sext): Fix.
730 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
732 * configure.ac (CFLAGS): Get them from the toplevel or from the
733 configure invocation.
734 * configure: Regenerate.
735 * Makefile.in (CFLAGS): Substitute value provided by configure.
737 2006-06-14 Mark Mitchell <mark@codesourcery.com>
740 * c-common.h (c_finish_omp_atomic): Adjust declaration.
741 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
742 rather than calling add_stmt on it.
743 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
745 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
748 * reload1.c (reload): Remove registers returned by update_eliminables
749 from used_spill_regs.
751 2006-06-13 DJ Delorie <dj@redhat.com>
753 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
755 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
757 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
758 html__strip_dir, html__mkdir_p. Enhance install-html target.
759 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
760 * configure: Regenerate.
762 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
764 * fold-const.c (fold_cond_expr_with_comparison): Check for
765 Objective-C++ as language in deciding COND_EXPR transformation.
767 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
770 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
771 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
772 * config/sh/lib1funcs.h (SL, SL1): Define.
773 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
774 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
775 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
776 (OBJS_Os_4_200): New variable.
777 ($(T)libgcc-Os-4-200.a): Use it.
778 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
779 when dividing 1 and/or by 0.
781 2006-06-13 Roger Sayle <roger@eyesopen.com>
783 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
784 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
785 * configure: Regenerate.
787 2006-06-13 Jie Zhang <jie.zhang@analog.com>
789 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
790 for real instruction.
792 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
795 * haifa-sched.c (check_cfg): Handle special case.
797 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
800 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
801 Add debug_info parameter. Chain the vars to the BLOCK instead
802 of the BIND_EXPR if debug info are requested for them.
803 (pop_gimplify_context): Adjust for above change.
804 (gimple_add_tmp_var): Likewise.
805 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
807 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
808 (convert_local_reference): Likewise.
809 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
810 (finalize_nesting_tree_1): Request that debug info be emitted
813 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
815 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
818 2006-06-13 Richard Guenther <rguenther@suse.de>
821 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
823 2006-06-13 Richard Guenther <rguenther@suse.de>
825 PR tree-optimization/27830
826 * tree-inline.c (copy_body_r): For copying the operand
827 of an ADDR_EXPR make sure to fold &* afterwards.
829 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
831 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
832 lvalues in the fb_none case with side-effects.
834 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
836 * tree-flow.h: Remove the prototype for
837 compute_phi_arg_on_exit.
838 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
839 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
842 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
844 * builtins.c (expand_builtin_return_addr): Only use
845 frame_pointer_rtx when count == 0 and we are expanding
846 __builtin_return_address.
848 2006-06-12 Fred Fish <fnf@specifix.com>
850 * config/mips/mips.c (mips_file_start): Create special section
851 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
853 2006-06-11 Eric Christopher <echristo@apple.com>
856 * stor-layout.c (place_field): Remove check for
857 remaining_in_alignment when aligning at the end of a run.
859 2006-06-11 Eric Christopher <echristo@apple.com>
862 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
865 2006-06-11 Roger Sayle <roger@eyesopen.com>
868 Revert incorrect fix for PR target/27158
869 2006-05-08 Roger Sayle <roger@eyesopen.com>
870 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
871 of a reg_equiv_constant if the result is a legitimate constant.
873 2006-06-11 Roger Sayle <roger@eyesopen.com>
876 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
877 extract a CONST_VECTOR element and interpret it as an integer.
878 (vspltis_constant): Use const_vector_elt_as_int instead of the
879 macro CONST_VECTOR_ELT in order to handle FP vector modes.
880 * config/rs6000/predicates.md (easy_vector_const): Consider
881 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
883 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
886 * stor-layout.c (update_alignment_for_field): Don't add extra
887 alignment for packed non-bitfield fields in ms_bitfield_layout_p
890 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
892 * config/mips/t-rtems: Add EL/EB multilib variants.
894 2006-06-09 Mike Stump <mrs@apple.com>
896 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
898 2006-06-09 David Daney <ddaney@avtrex.com>
900 * doc/install.texi: Add binutils version recommendation for mips-*-*.
902 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
904 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
906 2006-06-09 Richard Guenther <rguenther@suse.de>
908 PR tree-optimization/26998
909 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
910 of signed types, only TYPE_MIN_VALUE is special, but for both,
911 minimum and maximum value. Likewise VR_ANTI_RANGE is special
912 in this case, as is -fwrapv.
914 2006-06-08 Mike Stump <mrs@apple.com>
917 * config/darwin.c (darwin_asm_output_anchor): Disable
918 -fsection-anchors on darwin for now.
919 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
920 * rs6000/rs6000.c (optimization_options): Likewise.
922 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
925 * config/i386/i386.c (classify_argument): Skip fields with invalid
928 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
930 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
931 (cse_insn): Likewise for the stack_pointer_rtx.
933 2006-06-08 Roger Sayle <roger@eyesopen.com>
935 * tree-ssa-dom.c (record_conditions): Only record "unordered"
936 conditions from floating point comparisons.
938 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
941 * expmed.c (struct alg_hash_entry): Fix type of field T
942 to match synth_mult argument.
943 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
945 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
948 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
951 2006-06-08 Richard Guenther <rguenther@suse.de>
954 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
955 only, if overflow is defined and not trapping.
956 (negate_expr): Likewise.
958 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
960 PR tree-optimization/27872
961 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
962 flag on the new exit edge of the unrolled loop.
964 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
966 PR rtl-optimization/26449
967 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
969 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
972 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
973 referenced_variables with matching DECL_UID's.
974 (find_referenced_vars): Make sure duplicate list is empty to start.
975 (referenced_var_p): Remove.
976 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
977 Check if var is in the list, and add if needed. Update the duplicate
978 list if a different var is in the list with the same DECL_UID.
979 (add_referenced_var): Call routine to check and insert.
980 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
981 * tree-flow.h (referenced_vars_dup_list): External declaration.
983 2006-06-07 Fred Fish <fnf@specifix.com>
985 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
988 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
991 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
992 the imaginary and real parts of a clobbered register.
993 Emit insn to set the imaginary part.
995 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
997 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
998 in lieu of unwind-dw2-fde.c.
1000 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1002 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1004 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1007 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1008 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1009 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1010 V4SImode temporaries and operations instead.
1012 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1014 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1017 2006-06-06 Mike Stump <mrs@apple.com>
1019 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1020 installing during build.
1022 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1024 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1026 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1027 * config/ia64/ia64.c (params.h): New header.
1028 (ia64_optimization_options): New function to adjust parameters.
1029 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1030 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1031 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1033 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1035 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1037 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1040 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1042 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1043 Victor Kaplansky <victork@il.ibm.com>
1045 PR tree-optimization/26360
1046 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1049 2006-06-04 Roger Sayle <roger@eyesopen.com>
1050 Andrew Pinski <pinskia@physics.uc.edu>
1053 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1054 for LABEL_DECL before calling DECL_WEAK.
1057 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1058 LABEL_DECL and PARM_DECL.
1060 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1064 * c-decl.c (grokdeclarator): Disallow variably modified types at
1065 file scope. Avoid marking shared array type of constant size as
1068 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1071 * c-common.c (fold_offsetof_1): Handle static members.
1073 2006-06-04 Eric Christopher <echristo@apple.com>
1075 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1076 (debug_rli): Output value for remaining_in_alignment.
1077 (update_alignment_for_field): Unconditionalize
1078 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1079 extra alignment code.
1080 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1081 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1082 * tree.h (record_layout_info_s): Remove prev_packed.
1083 * doc/extend.texi (ms_struct): Add documentation of format.
1085 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1087 * tree.h: Declare folding_initializer.
1088 * builtins.c (fold_builtin_constant_p): Give definite answer
1089 if folding inside an initializer.
1090 * fold-const.c: Define folding_initializer.
1091 (START_FOLD_INIT): Save and then set folding_initializer.
1092 (END_FOLD_INIT): Restore folding_initializer.
1094 2006-06-04 Richard Guenther <rguenther@suse.de>
1096 PR tree-optimization/27039
1097 * fold-const.c (fold_comparison): Handle pointer comparison
1098 again for all comparison codes. Compare offsets in signed
1100 (fold_binary): Move code from here.
1102 2006-06-03 Roger Sayle <roger@eyesopen.com>
1105 * config/i386/i386.c (construct_container): Split static issued_error
1106 flag into issued_sse_arg_error, issued_sse_ret_error and
1107 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1108 requires the use of x87 registers and the user explicitly
1109 specified the -mno-80387 command line option.
1111 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1113 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1114 HAVE_DECL_SIGALTSTACK.
1116 (segv_handler): Use MC_FLD.
1117 * configure.ac: Check for a sigaltstack declaration.
1118 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1119 * configure: Regenerate.
1120 * config.in: Regenerate.
1122 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1125 * Makefile.in (stmp-fixinc): Fix typo.
1127 2006-06-02 Roger Sayle <roger@eyesopen.com>
1129 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1130 are type correct. Clean-up.
1131 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1132 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1134 2006-06-01 DJ Delorie <dj@redhat.com>
1136 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1137 shift, as we've disabled the "switch" insn that needs it.
1139 2006-06-01 Per Bothner <bothner@bothner.com>
1141 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1142 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1143 * c-ppoutput.c (cb_define): Don't increment line 0.
1145 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1147 * doc/invoke.texi: Add cpu_type power6.
1148 * config.gcc: Add cpu_type power6.
1149 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1150 to power5+ with Altivec.
1151 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1152 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1154 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1156 * config/avr/avr.h (SET_ASM_OP): Define.
1158 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1160 * config/bfin/bfin.c: Fix comment typos.
1162 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1165 * doc/install.texi: Document --enable-bootstrap and
1166 --disable-bootstrap.
1168 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1170 * doc/install.texi: Document that InfoZIP can replace jar.
1172 2006-05-31 Roger Sayle <roger@eyesopen.com>
1174 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1175 isn't available, directly generate the simpler x87 patterns without
1176 the (use (const_int 0)).
1177 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1178 implementation isn't available.
1179 (*negdf2_1): Likewise.
1180 (*negxf2_1): XF mode negation is always done using the x87.
1181 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1183 2006-05-31 Roger Sayle <roger@eyesopen.com>
1185 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1186 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1188 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1190 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1192 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1193 * config/bfin/bfin.c (basic-block.h): Include.
1194 (struct machine_function): New.
1195 (bfin_init_machine_status): New.
1196 (override_options): Initialize init_machine_status.
1197 (bfin_hardware_loop): New.
1198 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1199 (DEF_VEC_P (loop_info)): New.
1200 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1201 (struct loop_info): New.
1202 (loop_info): New typedef.
1203 (struct loop_work): New.
1204 (loop_work): New typedef.
1205 (DEF_VEC_O (loop_work)): New.
1206 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1207 (bfin_dump_loops): New.
1208 (bfin_bb_in_loop): New.
1209 (bfin_scan_loop): New.
1210 (bfin_optimize_loop): New.
1211 (bfin_reorg_loops): New.
1212 (bfin_reorg): Use bfin_reorg_loops.
1213 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1215 (I_REGNO_P): Simplify.
1216 (DP_REGNO_P, DPREG_P): New macros.
1217 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1218 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1219 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1220 Add LT_REGS, LC_REGS, LB_REGS.
1221 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1223 (REGNO_REG_CLASS): Deal with loop registers.
1224 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1226 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1227 New constants for loop registers.
1228 (UNSPEC_LSETUP_END): New.
1229 (seq_insns): New define_attr. Set it for appropriate insns.
1230 (movsi_insn): Add alternatives for move from/to
1231 loop count registers.
1232 (doloop_end): New define_expand.
1233 (loop_end): New define_insn.
1234 (define_split for bad doloop_end): New.
1235 (lsetup_with_autoinit): New define_insn.
1236 (lsetup_without_autoinit): New define_insn.
1237 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1238 * config/bfin/predicates.md (lc_register_operand): New.
1239 (lt_register_operand): New.
1240 (lb_register_operand): New.
1241 (nondp_register_operand): New.
1242 (nondp_reg_or_memory_operand): New.
1243 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1245 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1247 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1248 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1250 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1252 * Makefile.in (CATALOGS): Add po/ prefix.
1253 * configure: Regenerated.
1255 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1258 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1259 a shift operand before calling shift_op. Avoid redundant call of
1262 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1263 DJ Delorie <dj@redhat.com>
1265 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1266 we're inserting is a singlt-bit constant.
1268 2006-05-30 Roger Sayle <roger@eyesopen.com>
1270 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1271 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1273 2006-05-30 Roger Sayle <roger@eyesopen.com>
1275 PR tree-optimization/23452
1276 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1277 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1278 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1279 complex values and with -ffast-math for FP complex values.
1281 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1283 * c-common.h: Remove the prototype for yyparse.
1284 * rtl.h: Remove the prototype for init_loop.
1286 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1288 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1291 2006-05-30 Roger Sayle <roger@eyesopen.com>
1293 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1295 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1296 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1298 2006-05-30 Dirk Mueller <dmueller@suse.de>
1301 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1302 for CONSTANT_CLASS_P expresisons.
1304 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1307 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1309 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1311 PR tree-optimization/27779
1312 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1313 initial_condition instead of CHREC_LEFT.
1315 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1317 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1318 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1319 Make prototypes ISO C90.
1321 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1322 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1324 * see.c (see_analyze_one_def): Correct check.
1325 (see_get_extension_data): Check if extension is parallel.
1326 (see_get_extension_reg): Likewise.
1328 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1331 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1332 into register for (code == GTU).
1334 2006-05-29 Roger Sayle <roger@eyesopen.com>
1336 PR tree-optimization/24964
1337 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1338 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1339 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1340 abs(x)*abs(x) as x*x for scalar floating point modes.
1342 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1345 * lambda-code.c (perfect_nestify): Don't copy statements
1346 in the inner loop: move them to the inner loop header.
1348 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1351 * c-tree.texi: Document OpenMP directives and clauses.
1353 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1355 * varasm.c (globalize_decl): Fix indentation.
1357 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1360 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1361 pass_fre, pass_store_ccp, pass_copy_prop,
1362 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1363 pass_return_slot, pass_object_size, pass_lim,
1364 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1365 pass_loop_prefetch and pass_stdarg.
1367 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1369 * config/bfin/bfin.opt (mfdpic): New option.
1370 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1371 (EXTRA_MULTILIB_PARTS): Likewise.
1372 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1373 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1375 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1376 (CRT_CALL_STATIC_FUNCTION): New.
1377 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1379 (CRT_CALL_STATIC_FUNCTION): New.
1380 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1382 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1383 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1384 (initialize_trampoline): Changed to handle FD-PIC code generation.
1385 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1386 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1387 (override_options): Disallow -mid-shared-library -mfdpic combination.
1388 Can't do unaligned ops if FD-PIC.
1389 Turn off flag_pic if trying to generate non-id-shared-library
1390 non-fdpic code, since it's not supported.
1391 (bfin_assemble_integer): New function.
1392 (TARGET_ASM_INTEGER): Define.
1393 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1395 * config/bfin/crtn.s: Restore them.
1396 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1398 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1399 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1400 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1401 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1402 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1404 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1405 FDPIC_REGS and FDPIC_FPTR_REGS.
1406 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1407 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1408 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1409 (load_funcdescsi): New pattern.
1410 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1411 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1412 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1414 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1416 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1419 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1421 * tree-flow.h: Remove the prototype for add_type_alias.
1422 * tree-ssa-alias.c (add_type_alias): Remove.
1424 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1426 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1427 config/fr30/fr30.md, config/i386/i386-interix.h,
1428 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1429 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1430 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1431 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1432 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1433 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1434 Follow spelling conventions.
1435 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1436 Follow spelling conventions.
1438 2006-05-27 Richard Guenther <rguenther@suse.de>
1441 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1442 to produce a constant of value 1 of generic type.
1444 2006-05-27 Dirk Mueller <dmueller@suse.de>
1446 * cgraphunit.c (decide_is_function_needed): Fix wrong
1449 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1451 PR rtl-optimization/27661
1452 * reload.c (find_reloads): When reloading a VOIDmode constant
1453 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1454 use Pmode as mode of the reload register.
1456 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1458 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1459 is enabled at -O and above.
1461 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1464 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1467 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1470 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1471 for anonymous variables explicitly declared by front ends.
1473 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1475 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1476 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1477 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1478 ref-all pointers, run a finalization pass for them.
1479 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1480 (finalize_ref_all_pointers): New function.
1481 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1482 regular pointer type to a ref-all pointer type.
1483 (get_tmt_for): Return the special memory tag for ref-all pointers.
1485 2006-05-25 Richard Guenther <rguenther@suse.de>
1488 * fold-const.c (fold_binary): Do not look at the stripped
1489 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1491 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1493 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1494 for LT and GT if the computed range is effectively empty.
1496 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1499 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1500 mips_quad_format formats instead of ieee_single_format,
1501 ieee_double_format and ieee_quad_format formats, respectively.
1503 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1505 PR tree-optimization/27639
1506 PR tree-optimization/26719
1507 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1508 call to scev_probably_wraps_p.
1509 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1510 used_in_pointer_arithmetic_p, convert_step): Removed.
1511 (nowrap_type_p): New function.
1512 (scev_probably_wraps_p): Rewritten.
1513 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1514 chrec_convert if chrec_convert_aggressive might have been used.
1515 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1516 scev_direction): New functions.
1517 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1518 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1519 instead of convert_step.
1520 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1521 (convert_step): Declaration removed.
1522 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1524 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1526 * df-core.c: Added to header comments.
1527 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1528 df_ur_bb_info, df_urec_bb_info): Added comments.
1529 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1530 urec, ri problems): Fixed header comments.
1531 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1532 code from df_rd_transfer_function.
1534 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1536 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1537 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1538 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1540 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1542 * expr.c (undefined_operand_subword_p): New.
1543 (emit_move_multi_word): Do not generate move from undefined bits
1544 of a paradoxical subreg.
1546 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1548 PR rtl-optimization/27736
1549 * combine.c (replaced_rhs_value): New variable.
1550 (combine_instructions): Set it.
1551 (distribute_notes): When distributing a note in replaced_rhs_insn,
1552 check whether the value was used in replaced_rhs_value.
1554 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1557 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1558 add_referenced_var instead of add_referenced_tmp_var.
1559 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1560 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1562 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1563 tree_optimize_tail_calls_1): Use add_referenced_var.
1564 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1565 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1566 Use add_referenced_var.
1567 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1568 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1569 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1570 Use add_referenced_var.
1571 * tree-dfa.c (struct walk_state): Remove.
1572 (find_referenced_vars): Remove walk state and vars_found hash table.
1573 (make_rename_temp): Use add_referenced_var.
1574 (find_vars_r): Pass less parameters to add_referenced_var.
1575 (referenced_var_p): New. Is var in referenced_var hash table.
1576 (referenced_var_insert): Assert var isn't already in hash table.
1577 (add_referenced_var): Don't need walk_state parameter. Add var if it
1578 isn't already in the hash table.
1579 (add_referenced_tmp_var): Remove.
1580 (find_new_referenced_vars_1): Use add_referenced_var.
1581 * tree-ssa-pre.c (create_expression_by_pieces,
1582 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1583 Use add_referenced_var.
1584 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1585 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1586 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1588 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1589 vect_create_data_ref_ptr, vect_create_destination_var,
1590 vect_init_vector, vect_build_loop_niters,
1591 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1592 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1593 Use add_referenced_var.
1594 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1595 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1596 (add_referenced_var): Add prototype.
1597 * tree-ssa-structalias.c (get_constraint_for,
1598 intra_create_variable_infos): Use add_referenced_var.
1600 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1602 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1603 big-endian paradoxical subregs.
1604 * var-tracking.c (struct micro_operation_def): Document that,
1605 for modify micro operations, insn is the subsequent instruction.
1606 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1607 (var_reg_set, var_mem_set): ... new functions.
1608 (add_stores): Record subsequent insn.
1609 (compute_bb_dataflow): Use new functions for MO_USE.
1610 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1611 notes after the insn, and modify notes before the insn known
1612 to be the subsequent one.
1613 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1615 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1618 * config/i386/i386.c (ix86_expand_builtin): Use
1619 gen_sse3_monitor64 for TARGET_64BIT.
1621 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1623 PR rtl-optimization/26375
1624 PR rtl-optimization/26855
1625 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1627 (df_ru_bb_local_compute): Reversed statements and removed bogus
1628 comment explaining why they should be in wrong order.
1629 (df_ru_dump, df_rd_dump): Enhanced debug info.
1630 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1632 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1633 reaching uses and fixed space problem.
1635 2006-05-23 Jan Hubicka <jh@suse.cz>
1637 * cgraphunit.c (decide_is_function_needed): Also nested functions
1638 and functions declared inline can be optimized out at -O0.
1640 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1642 * doc/install.texi (Configuration): Remove reference to CrossGCC
1646 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1649 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1650 ix86_compare_emitted is non-NULL.
1652 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1655 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1658 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1660 PR rtl-optimization/25514
1661 * combine.c (replaced_rhs_insn): New variable.
1662 (combine_instructions): Set replaced_rhs_insn when trying to replace
1663 a SET_SRC with a REG_EQUAL note.
1664 (distribute_notes): Use replaced_rhs_insn when determining the live
1665 range of a REG_DEAD register.
1667 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1668 Anatoly Sokolov <aesok@post.ru>
1670 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1671 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1672 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1673 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1674 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1675 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1676 at90usb647, at90usb1286 and at90usb1287 devices.
1677 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1678 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1680 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1682 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1684 2006-05-22 Richard Guenther <rguenther@suse.de>
1687 2006-01-31 Richard Guenther <rguenther@suse.de>
1688 Paolo Bonzini <bonzini@gnu.org>
1690 * doc/install.texi (--disable-libgcc-math): Document.
1692 2006-05-22 Richard Guenther <rguenther@suse.de>
1695 2006-01-31 Richard Guenther <rguenther@suse.de>
1697 * doc/invoke.texi (-msselibm): Document.
1698 * target.h (expand_library_builtin): New target hook.
1699 * builtins.c (expand_builtin): Use expand_library_builtin.
1700 (default_expand_library_builtin): New function.
1701 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1702 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1703 (link_gcc_math_spec): Declare.
1704 (static_specs): Add link_gcc_math_spec.
1705 * expr.h (default_expand_library_builtin): Declare.
1706 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1707 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1708 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1709 * config/i386/i386.opt (msselibm): New target option.
1710 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1711 (ix86_init_sse_abi_builtins): New function.
1712 (ix86_expand_library_builtin): Likewise.
1713 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1714 (override_options): Handle error conditions wrt -msselibm.
1715 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1716 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1717 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1720 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1723 * c-common.c (self_promoting_args_p): Skip erroneous args.
1726 * c-decl.c (finish_struct): Skip erroneous fields.
1728 2006-05-22 Nick Clifton <nickc@redhat.com>
1730 * config/cris/cris.opt (march): Remove VarExists attribute.
1731 (max-stackframe=): Likewise.
1733 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1735 * doc/rtl.texi: Fix a typo.
1736 * see.c: Fix comment typos.
1738 * tree-ssa-structalias.h (alias_info): Remove num_references.
1740 2006-05-21 Mike Stump <mrs@apple.com>
1742 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1744 (darwin_pragma_options): Use BAD instead.
1745 (darwin_pragma_unused): Likewise.
1746 (darwin_pragma_ms_struct): Likewise.
1748 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1750 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1752 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1754 PR rtl-optimization/27671
1755 * simplify-rtx.c (simplify_relational_operation_1): Fix
1756 simplifications of (eq/ne (xor x y) y) and
1757 (eq/ne (xor x y) x).
1759 PR tree-optimization/26622.
1760 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1763 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1765 * tree-cfg.c: Prune whitespace.
1766 (debug_tree_cfg): Point to correct header containing the
1769 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1772 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1774 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1777 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1778 or sorry count is non zero.
1780 2006-05-20 Andreas Schwab <schwab@suse.de>
1782 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1784 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1785 Kenneth Zadeck <zadeck@naturalbridge.com>
1787 PR rtl-optimization/26855
1789 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1791 (df_scan_alloc): Added code to properly handle multiword hard
1792 registers and add all_blocks parameter.
1793 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1794 code to properly handle multiword hard registers.
1795 (df_rescan_blocks): Added code to remove deleted blocks from
1797 (df_ref_create_structure, df_ref_record): Added code to properly
1799 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1800 and set DF_REF_PARTIAL.
1801 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1802 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1803 (df_scan_add_problem): Added flags parameter.
1804 (df_ref_create_structure): Changed switching structure.
1805 (df_bb_refs_record): Fixed case where duplicate artificial refs
1806 were created. Changed location of flags.
1807 (df_record_entry_block_defs): Added code to make stack pointer
1808 live in entry block. Refined cases where frame pointer is needed.
1809 Changed location of flags.
1810 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1811 (df_set_state): Removed function.
1812 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1813 df_insn_create_insn_record, df_insn_refs_delete,
1814 df_ref_create_structure): Formatting changes.
1815 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1816 df_delete_basic_block): New function.
1817 (df_init): Changed location of flags.
1818 (df_add_problem): Added flags parameter and the way flags are
1820 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1821 debug_df_chain): Improved debugging output.
1822 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1823 (df_refs_chain_dump): Removed df parameter.
1824 (df_iterative_dataflow): Added consistency check.
1825 (df_prune_to_subcfg): Made public.
1826 (df_analyze_problem): Added blocks_to_init parameter and made
1828 (df_ref_record, df_bb_refs_record, df_mark_reg,
1829 df_record_exit_block_uses): Whitespace changes.
1830 (df_dump): Whitespace changes.
1831 * df.h: Some reordering to remove forward references.
1832 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1833 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1834 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1835 (dataflow.flags): New field.
1836 (df.flag): Deleted field.
1837 (df_alloc_function): Added additional bitmap parameter.
1838 (df_dependent_problem_function): New type.
1839 (df_problem.changeable_flags): New field.
1840 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1841 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1842 (df_mw_hardreg): New struct.
1843 (DF_INSN_UID_MWS): New macro.
1844 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1846 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1847 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1848 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1849 (df_set_state): Removed function.
1850 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1851 * df-problems.c (df_chain_dump): Removed df parameter.
1852 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1853 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1855 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1856 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1857 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1858 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1859 DF_REF_MUST_CLOBBER cases.
1860 (df_ru_bb_local_compute_process_def,
1861 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1862 df_lr_bb_local_compute, df_ur_bb_local_compute,
1863 df_chain_create_bb): Made subreg aware.
1864 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1865 df_lr_bb_local_compute, df_lr_bb_local_compute,
1866 df_chain_create_bb): Cleanup to use proper macros.
1867 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1868 code to fixup bitvectors.
1869 (df_ri_alloc): Cleared lifetime.
1870 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1871 df_create_unused_note): New function.
1872 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1873 REG_DEAD and REG_UNUSED notes as well as register information.
1874 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1875 df_chains_dump): Fixed crash if problem was never run.
1876 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1877 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1878 df_ri_add_problem): Processes flags in uniform manner.
1879 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1880 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1881 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1882 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1883 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1884 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1885 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1886 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1887 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1888 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1889 * see.c (see_initialize_data): Ditto.
1890 * final.c (rest_of_clean_state) Added regstack_completed.
1891 * rtl.h (regstack_completed): Ditto.
1892 * reg-stack.c (regstack_completed): Ditto.
1894 2006-05-19 Mike Stump <mrs@apple.com>
1896 * c-tree.h (default_conversion): Remove.
1897 * c-common.h (default_conversion): Add.
1899 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1901 * tree-vrp.c (valid_value_p): New function.
1902 (adjust_range_with_scev): Fail if the value of bound is not
1905 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1907 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1908 (mips_fallback_frame_state): Use syscall numbers to determine
1909 the appropriate li instruction for the current ABI. Only use
1910 __NR_sigreturn for o32.
1912 2006-05-19 Nicolas Setton <setton@adacore.com>
1914 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1915 * langhooks.c (lhd_dwarf_name): New function.
1916 * langhooks-def.h (lhd_dwarf_name): Declare.
1917 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1918 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1919 * ada/misc.c (gnat_dwarf_name): New function.
1920 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1922 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1924 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1926 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1927 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1928 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1929 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1930 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1931 determine the size of Wtype, etc.
1932 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1933 (swfloatfuncs): New variable.
1934 (dwfloatfuncs): Likewise.
1935 (lib2funcs): Remove floating-point conversion functions from
1936 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1937 the set of conversion routines needed. Allow entries to specify
1938 an object name, filename and word size. Update users accordingly.
1939 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1940 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1944 2006-02-08 Roger Sayle <roger@eyesopen.com>
1947 * config/fixtfdi.c: New libgcc source file.
1948 * config/fixunstfdi.c: New source file.
1949 * config/floatditf.c: New source file.
1950 * config/floatunditf.c: New souce file.
1951 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1952 files above instead of config/mips/_tilib.c.
1953 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1955 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1957 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1958 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1960 2006-05-18 Mike Stump <mrs@apple.com>
1962 Fix up vla, vm and [*] sematics.
1968 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1969 (c_vla_unspec_p): Add.
1970 (c_vla_type_p): Add.
1971 * c-decl.c (struct c_scope): Add had_vla_unspec.
1972 (build_array_declarator): Add support for [*].
1973 (grokdeclarator): Likewise.
1974 (grokparms): Likewise.
1975 (get_parm_info): Likewise.
1976 * c-objc-common.c (c_vla_unspec_p): Likewise.
1977 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1978 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1979 typeof when argument is a variably modified type not inside sizeof or alignof.
1980 (c_parser_direct_declarator_inner): Propagate errors.
1981 (c_parser_sizeof_expression): Add support for [*].
1982 (c_parser_parms_declarator): Initialize had_vla_unspec.
1983 (c_parser_parms_list_declarator): Likewise.
1984 * c-typeck.c (c_vla_type_p): Add.
1985 (composite_type): Add support for vla compositing.
1986 (comptypes_internal): Add support for vla compatibility.
1987 (c_expr_sizeof_expr): Evaluate vla arguments.
1988 * tree.c (variably_modified_type_p): Update comment for [*].
1990 2006-05-18 Michael Matz <matz@suse.de>
1993 * config.host: Make assignments to host_xmake_file cumulative.
1994 * config.host (*-darwin*): Test $host, not $target.
1996 2006-05-12 Stuart Hastings <stuart@apple.com>
1998 * config/i386/i386.opt (-mstackrealign): New flag.
1999 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2000 (ix86_handle_cconv_attribute): Emit error when
2001 force_align_arg_pointer attribute collides with too many regparms.
2002 (ix86_function_regparm): Limit regparms when used with
2003 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2004 Support stack-realigning prologue in non-main functions. Emit
2005 warning for nested functions under -mstackrealign, emit error for
2006 nested functions with force_align_arg_pointer attribute.
2007 * doc/extend.texi (force_align_arg_pointer): Document it.
2008 * doc/invoke.texi (-mstackrealign): Document it.
2010 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2012 PR rtl-optimization/27477
2013 * combine.c (try_combine): Don't split a parallel consisting
2014 of two sets into two individual sets if both sets reference
2017 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2019 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2020 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2022 * doc/options.texi (VarExists): Updated.
2024 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2026 * unwind-dw2.c: Add declarations for uw_update_context and
2028 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2029 detected, advance frame state and context once to skip over stub.
2031 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2035 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2036 Call rewrite_into_loop_closed_ssa only when something changed.
2037 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2038 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2039 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2040 Test for perfect_nest_p here. Fix formating.
2041 (replace_uses_equiv_to_x_with_y): Fix formating.
2042 (stmt_uses_op): Removed.
2043 (can_convert_to_perfect_nest): Removed loopivs parameter.
2044 Complete the test by checking the scalar dependences.
2045 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2048 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2051 From Dan Kegel <dank@kegel.com>:
2052 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2054 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2056 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2057 if the element type is variably modified without recursing.
2059 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2062 * tree-loop-linear.c (try_interchange_loops): Test for
2063 no data dependences.
2065 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2067 PR tree-optimization/27548
2068 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2069 range of ssa names that appear on abnormal edges.
2070 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2071 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2073 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2076 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2078 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2081 * tree.h (OMP_PARALLEL_COMBINED): Define.
2082 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2083 (new_omp_context): Add is_combined_parallel argument.
2084 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2085 new_omp_context caller.
2086 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2087 Adjust gimplify_scan_omp_clauses callers.
2088 (omp_is_private): Issue errors if iteration variable is firstprivate
2089 or reduction in the current context.
2090 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2091 on combined parallel workshare constructs.
2093 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2095 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2096 (gcc-options.o): New rule.
2098 * optc-gen.awk: Protect variables for gcc-options.o with
2099 #ifdef GCC_DRIVER/#endif.
2101 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2103 Fix PR tree-optimization/27373
2104 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2105 (forward_propagate_addr_expr): Update call.
2107 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2109 * doc/options.texi: Move the Negative option.
2111 2006-05-16 Richard Guenther <rguenther@suse.de>
2113 PR tree-optimization/22303
2114 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2116 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2117 ccp_fold did not simplify the statement.
2119 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2122 * Makefile.in (GCC_OBJS): New.
2123 (OBJS-common): Add opts-common.o.
2124 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2125 (cpp$(exeext)): Likewise.
2126 (gcc.o): Also depend on opts.h.
2127 (opts-common.o): New.
2129 * common.opt (gcoff): Add Negative(gdwarf-2).
2130 (gdwarf-2): Add Negative(gstabs).
2131 (gstabs): Add Negative(gstabs+).
2132 (gstabs+): Add Negative(gvms).
2133 (gvms): Add Negative(gxcoff).
2134 (gxcoff): Add Negative(gxcoff+).
2135 (gxcoff+): Add Negative(gcoff).
2136 * config/i386/i386.opt (m32): Add Negative(m64).
2137 (m64): Add Negative(m32).
2139 * doc/options.texi: Document the Negative option.
2141 * gcc.c: Include "opts.h".
2142 (main): Call prune_options after expandargv.
2144 * optc-gen.awk: Generate common declarations for all flag
2145 variables in options.c. Output the neg_index field.
2147 * opts.c (find_opt): Moved to ...
2148 * opts-common.c: Here. New file.
2150 * opts.h (cl_option): Add a neg_index field.
2152 (prune_options): Likewise.
2154 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2157 * omp-low.c (expand_omp_parallel): Don't assert
2158 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2159 instead search for it.
2162 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2165 2006-05-16 Andreas Schwab <schwab@suse.de>
2167 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2170 2006-05-15 Roger Sayle <roger@eyesopen.com>
2173 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2174 integer constants other than zero are only legitimate on TARGET_64BIT.
2175 <CONST_VECTOR> Only zero vectors are legitimate.
2176 (ix86_cannot_force_const_mem): Integral and vector constants can
2177 always be put in the constant pool.
2179 2006-05-16 DJ Delorie <dj@redhat.com>
2181 * crtstuff.c (__dso_handle): Set section from
2182 TARGET_LBIGCC_SDATA_SECTION if defined.
2183 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2184 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2186 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2189 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2192 2006-05-16 Ben Elliston <bje@au.ibm.com>
2194 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2196 2006-05-15 Per Bothner <per@bothner.com>
2198 * tree.c: (last_annotated_node): Use source_locus typedef.
2199 This permits bootstrapping with --enable-mapped-location.
2201 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2203 PR tree-optimization/26830
2204 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2205 (info_for_ssa_name, current_info_for_ssa_name_age,
2206 blocks_to_update): New variables.
2207 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2208 (clear_ssa_name_info, initialize_flags_in_bb,
2209 mark_block_for_update): New functions.
2210 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2211 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2212 prepare_def_site_for): Use mark_block_for_update.
2213 (mark_def_interesting): Assert that the processed block is marked in
2214 blocks_to_update. Do not take blocks argument.
2215 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2217 (rewrite_update_init_block, rewrite_update_stmt): Only process
2218 blocks with statements to rewrite.
2219 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2220 (update_ssa): Initialize and free blocks_to_update. Do not
2221 clear flags on statements. Do not use blocks bitmap.
2222 * tree.h (SSA_NAME_AUX): Removed.
2223 (struct tree_ssa_name): Removed aux field.
2224 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2226 2006-05-15 Richard Guenther <rguenther@suse.de>
2228 PR tree-optimization/27603
2229 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2230 Do computations in original type.
2232 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2234 * see.c: Code style changes such as redundant paranthesis,
2235 redundant intialization of local variables etc.
2236 (see_main): Declared now as static.
2237 * doc/invoke.texi: Update that -fsee is not enabled by
2240 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2242 * omp-low.c (check_omp_nesting_restrictions): New function.
2243 (scan_omp_1): Call it.
2246 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2247 construct, return *VAR.
2249 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2251 PR rtl-optimization/27406
2252 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2255 2006-05-14 Roger Sayle <roger@eyesopen.com>
2257 PR rtl-optimization/27538
2258 * combine.c (expand_compound_operation): Call gen_lowpart
2259 before calling simplify_shift_const.
2261 2006-05-14 Roger Sayle <roger@eyesopen.com>
2263 PR rtl-optimization/22563
2264 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2265 a fixed width bitfield, always force the intermediates into psuedos.
2267 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2270 * mkconfig.sh: Use operator = instead of == for test.
2272 2006-05-13 Nick Clifton <nickc@redhat.com>
2274 * dwarf2out.c (dbx_reg_number): Check return value from
2275 LEAF_REG_REMAP and only use it if it is valid.
2276 (multiple_reg_loc_descriptor): Likewise.
2278 2006-05-13 Richard Guenther <rguenther@suse.de>
2280 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2283 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2285 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2286 information attached to non-INSNs such as NOTEs.
2287 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2289 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2291 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2293 * config/s390/s390.md: Adjust comment describing On constraint.
2295 2006-05-11 Jan Hubicka <jh@suse.cz>
2297 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2298 to be output at -O0.
2300 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2303 * fold-const.c (size_binop): Move sanity check for arguments to
2304 the beginning of the function.
2307 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2310 2006-05-11 Richard Guenther <rguenther@suse.de>
2313 * fold-const.c (fold_unary): Handle intermediate conversion
2314 to a pointer type like intermediate conversion to an integer
2315 type in folding of (T1)(T2)var to var.
2316 Match the code to the comment in the final conversion for
2317 (T1)(T2)var to (T1)var regarding to type precision. Rather
2318 than disallow T1 being of pointer type, assert that both T1
2319 and var are of pointer type or not. Make sure not to fall
2320 over the frontends lazyness wrt array to pointer decay though.
2322 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2324 * arm.c (arm_struct_value_rtx): Delete.
2325 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2326 (arm_init_cumulative_args): Always initialize nregs to zero.
2328 2006-05-10 Richard Guenther <rguenther@suse.de>
2330 PR tree-optimization/27532
2331 * tree-object-size.c (plus_expr_object_size): Fix typo.
2333 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2336 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2337 ashrdi_const, ashrdi3): Use a scratch register.
2339 2006-05-10 Richard Guenther <rguenther@suse.de>
2341 PR tree-optimization/27302
2342 * fold-const.c (operand_equal_p): For two comparisons,
2343 try comparison of one comparison code swapped if that yields
2346 2006-05-10 Ben Elliston <bje@au.ibm.com>
2348 * tree-pretty-print.c (pretty_print_string): No need to handle
2349 '\0' as a special character.
2351 * tree.h: Include "hashtab.h".
2352 (iterative_hash_expr): Use hashval_t in its prototype.
2353 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2355 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2358 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2359 (hppa*64*-*-hpux11*): Ditto.
2360 (hppa[12]*-*-hpux11*): Ditto.
2362 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2365 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2367 2006-05-09 Michael Matz <matz@suse.de>
2369 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2370 host_extra_gcc_objs and host_xmake_file.
2371 (<*-*-linux*>): Don't overwrite host_xmake_file.
2372 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2373 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2374 (host_detect_local_cpu): Declare.
2375 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2376 * config/i386/i386.c (override_options): Handle -mtune=native
2378 * config/i386/x-i386: New file.
2379 * config/i386/driver-i386.c: New file.
2380 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2383 2006-05-09 Dirk Mueller <dmueller@suse.de>
2384 Richard Guenther <rguenther@suse.de>
2387 * fold-const.c (fold_read_from_constant_string): Relax check
2388 for matching types to matching modes.
2390 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2392 PR rtl-optimization/27335
2393 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2396 2006-05-08 Chao-ying Fu <fu@mips.com>
2397 Richard Sandiford <richard@codesourcery.com>
2399 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2400 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2401 * config/mips/mips.md (UNSPEC_SCC): New constant.
2402 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2403 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2404 (mips_emit_compare): Use it.
2405 (mips_expand_vcondv2sf): New function.
2407 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2409 Fix PR tree-optimization/27093
2410 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2411 renaming when they become not-used_alone.
2413 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2415 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2416 relocation and relocation stubs.
2418 2006-05-08 Eric Christopher <echristo@apple.com>
2420 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2423 2006-05-08 Jan Hubicka <jh@suse.cz>
2426 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2427 unused static functions are needed.
2429 2006-05-08 Roger Sayle <roger@eyesopen.com>
2432 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2433 of a reg_equiv_constant if the result is a legitimate constant.
2435 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2438 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2439 standard 80387 constants, raise the cost to prevent
2440 compress_float_constant() to generate load from memory.
2442 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2444 * config/arm/constraints.md (c): Fix a typo.
2446 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2449 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2452 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2454 (_mm_mwait): Likewise.
2456 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2458 (sse3_monitor): Make it 32bit only.
2459 (sse3_monitor64): New. 64bit monitor.
2461 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2464 * config/i386/i386.c (classify_argument): Skip fields with invalid
2467 2006-05-07 Richard Guenther <rguenther@suse.de>
2469 PR tree-optimization/27409
2470 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2471 Do not try to find zero-sized subvars.
2473 2006-05-07 Richard Guenther <rguenther@suse.de>
2475 PR tree-optimization/27136
2476 * tree-ssa-loop-niter.c (get_val_for): Correct function
2477 comment, assert requirements.
2478 (loop_niter_by_eval): Stop processing if the iterated
2479 value did not simplify.
2481 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2483 * opts.c (flag_see): remove its setting at -O3.
2485 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2487 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2488 * arm/constraints.md: New file.
2489 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2490 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2491 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2492 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2493 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2494 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2495 * arm.md: Include constraints.md.
2496 (thumb_movsi_insn): Use satisfies_constraint_J.
2497 (movhi, movqi): Use satisfies_constraint_I.
2499 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2501 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2502 for atmeg a645 device.
2504 2006-05-06 Richard Guenther <rguenther@suse.de>
2506 PR tree-optimization/27151
2507 * tree-vect-transform.c (vectorizable_condition): Punt on
2508 values that have a different type than the condition.
2510 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2513 * c-parser.c (c_parser_cast_expression): Only insert casts into
2514 hash table if pointer.
2515 * function.c (used_types_insert_helper): Rename from
2517 (used_types_insert): Call used_types_insert_helper.
2518 * function.h (used_types_insert): Accept only one argument.
2520 2006-05-05 David Edelsohn <edesohn@gnu.org>
2522 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2523 scratch with output modifier.
2525 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2528 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2529 with output modifier.
2531 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2534 * config/mips/mips.c (mips_symbolic_address_p): Return true
2535 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2536 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2538 2006-05-04 Richard Guenther <rguenther@suse.de>
2540 PR tree-optimization/14287
2541 PR tree-optimization/14844
2542 PR tree-optimization/19792
2543 PR tree-optimization/21608
2544 PR tree-optimization/27090
2545 * tree-ssa-pre.c (try_combine_conversion): New function.
2546 (compute_avail): After constructing the value-handle
2547 expression, use try_combine_conversion to combine NOP_EXPRs
2548 with previous value-handle expressions and use the result if it
2551 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2553 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2555 2006-05-04 Jan Hubicka <jh@suse.cz>
2558 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2560 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2562 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2563 that this only matches CONST_INTs. All users changed to VOIDmode
2566 * config/bfin/bfin.c: Include "optabs.h".
2567 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2569 (enum bfin_builtins): Add a number of fractional and vector builtins.
2570 (bfin_init_builtins): Likewise.
2571 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2572 (safe_vector_operand, bfin_expand_binop_builtin,
2573 bfin_expand_unop_builtin): New functions.
2574 (bfin_expand_builtin): Handle the new builtins.
2575 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2578 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2581 * Makefile.in (OBJS-common): Add see.o.
2582 (see.o): Add dependencies.
2583 * common.opt (fsee): New flag for the see optimization was added.
2584 * opts.c (flag_see): Initialized.
2585 * passes.c (init_optimization_passes, pass_see): New pass.
2586 * rtl.h (see_main): Declaration as extern.
2587 * timevar.def (TV_SEE): New.
2588 * tree-pass.h (pass_see): Declaration as extern.
2589 * invoke.texi (-fsee): Document.
2590 * recog.c (validate_simplify_insn): New function.
2591 * recog.h (validate_simplify_insn): Declaration as extern.
2592 * df-problems.c (df_chain_dump): Check for NULL.
2594 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2595 Daniel Berlin <dberlin@dberlin.org>
2597 * cfgrtl.c (insert_insn_bb_end_new): New function.
2598 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2600 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2602 * df.h (struct web_entry): Moved from web.c.
2603 (union_defs): Declaration as extern.
2604 (unionfind_root): Likewise.
2605 (unionfind_union): Likewise.
2606 * web.c (struct web_entry): Moved to df.h.
2607 (unionfind_root): Remove static declaration.
2608 (unionfind_union): Likewise.
2609 (union_defs): Likewise and generalize to use callback function.
2610 (web_main): Update arguments for union_defs function call.
2612 2006-05-04 Richard Guenther <rguenther@suse.de>
2614 PR tree-optimization/26447
2615 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2616 produce SSA_NAME copies before the store stmt to avoid
2617 breaking exception handling.
2619 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2622 * gimplify.c (omp_is_private): If var is shared in some outer context,
2623 return false instead of true. Stop searching on parallel context
2626 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2629 * coverage.c: Use get_gcov_unsigned_t() instead of
2630 unsigned_type_node all over.
2632 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2634 PR tree-optimization/27381
2635 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2636 maintain the same immediate_use links.
2637 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2638 node rather than segfaulting.
2640 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2643 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2644 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2645 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2647 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2649 Fix PR tree-optimization/26626
2650 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2652 * tree-ssa-operands.c (access_can_touch_variable): Allow
2653 typecasting through union pointers.
2655 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2658 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2659 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2660 to find if var will be a global variable even in the nested context.
2661 (omp_copy_decl): Only check for global variable at the end, it might
2662 be overridden in outer contexts.
2663 (scan_sharing_clauses): For global variables don't create a field.
2664 (lower_rec_input_clauses): Do nothing for global shared variables.
2665 Emit a barrier at the end of ILIST if there were any decls in both
2666 firstprivate and lastprivate clauses.
2667 (lower_send_clauses): Do nothing for global variables except for
2670 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2672 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2673 of the correct signedness is returned.
2675 2006-05-02 Jeff Law <law@redhat.com>
2677 PR tree-optimization/27364
2678 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2679 multiply expressions.
2681 2006-05-02 Tom Tromey <tromey@redhat.com>
2683 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2685 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2688 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2689 -mthumb -fPIC are used.
2691 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2692 Joshua Kinard <kumba@gentoo.org>
2695 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2696 with 64-bit pointers.
2698 2006-05-02 Paul Brook <paul@codesourcery.com>
2700 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2702 (create_fix_barrier): Check that a suitable barrier location is
2704 (arm_reorg): Include ftmp->address in allowable range of addresses.
2706 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2709 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2712 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2715 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2716 around RESULT_DECL for result passed by reference.
2717 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2718 * omp-low.c (use_pointer_for_field): Don't look at
2719 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2720 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2721 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2722 time or var for passing by reference for
2723 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2724 TREE_ADDRESSABLE variables when passing by reference.
2726 * omp-low.c (dump_omp_region): Fix output formatting.
2729 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2730 (expand_omp_parallel): Likewise.
2731 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2734 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2735 on statement list containing also constructors and destructors.
2736 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2739 * except.c (duplicate_eh_regions): Fix clearing of
2740 cfun->eh->region_array entries.
2742 2006-05-01 DJ Delorie <dj@redhat.com>
2744 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2746 (gcc_cv_objdump): Likewise.
2747 * configure: Regenerated.
2749 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2752 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2753 templates for case 3 and 4.
2755 2006-05-01 DJ Delorie <dj@redhat.com>
2757 * vec.c: Include bconfig.h when appropriate.
2758 * Makefile.in (build/vec.o): Adjust dependencies.
2759 * mkconfig.sh: Make sure config.h isn't used for build machine
2762 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2764 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2766 (mark_phi_for_rewrite): New function.
2767 (insert_phi_nodes_for, mark_use_interesting): Call
2768 mark_phi_for_rewrite.
2769 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2770 (update_ssa): Initialize and free phis_to_rewrite.
2772 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2774 PR rtl-optimization/27291
2775 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2776 folded to a constant.
2778 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2780 PR tree-optimization/27283
2781 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2782 not whole # of iteration descriptions.
2783 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2784 uses abnormal ssa name.
2785 (niter_for_single_dom_exit): Ditto.
2786 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2787 return just the number of iterations.
2789 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2791 PR tree-optimization/27144
2792 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2793 (record_estimate): Only record constant upper bound.
2794 (infer_loop_bounds_from_undefined): Call
2795 compute_estimated_nb_iterations just once.
2796 (proved_non_wrapping_p): Renamed to ...
2797 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2798 (convert_step_widening, scev_probably_wraps_p): Call
2799 n_of_executions_at_most instead of proved_non_wrapping_p.
2800 (substitute_in_loop_info): Do not replace values in bounds.
2801 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2804 2006-05-01 Richard Henderson <rth@redhat.com>
2807 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2808 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2811 2006-05-01 Roger Sayle <roger@eyesopen.com>
2813 * c-typeck.c (parser_build_binary_op): Don't call the function
2814 unsigned_conversion_warning to spot operand/result type overflow.
2815 (build_binary_op): Instead, call convert_and_check instead of
2816 convert to report the problem when the operands are promoted.
2817 * c-common.c (unsigned_conversion_warning): Make static.
2818 * c-common.h (unsigned_conversion_warning): Delete prototype.
2820 2006-05-01 Richard Guenther <rguenther@suse.de>
2822 PR tree-optimization/26726
2823 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2825 (find_interesting_uses_address): ... we work around here
2826 by folding INDIRECT_REFs in the substituted base.
2828 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2830 * omp-low.c (dump_omp_region): Add newlines.
2832 2006-04-30 Roger Sayle <roger@eyesopen.com>
2834 * common.opt (Woverflow): New command line option.
2835 * c-common.c (constant_expression_warning): Check warn_overflow.
2836 (overflow_waring): Pass OPT_Woverflow to warning.
2837 (unsigned_conversion_warning): Likewise.
2838 (convert_and_check): Likewise.
2839 * doc/invoke.texi: Document new command line option.
2841 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2843 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2844 TARGET_NO_FP_IN_TOC for section anchors.
2845 (optimization_options): Enable section anchors for all
2846 non-"Objective" languages.
2848 2006-04-28 Eric Christopher <echristo@apple.com>
2850 * config/darwin-c.c (darwin_ms_struct): Move this
2851 (darwin_set_default_type_attributes): and this...
2852 * config/darwin.c: ... here.
2853 * config/darwin.h (darwin_ms_struct): Declare.
2855 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2857 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2859 2006-04-28 Roger Sayle <roger@eyesopen.com>
2862 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2863 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2864 an unsigned HOST_WIDE_INT.
2865 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2867 (really_start_incremental_init): No need to call convert because
2868 bitsize_zero_node is already of type bitsizetype.
2869 (push_init_level): Extract the value of constructor_index as an
2870 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2871 (process_init_element): Likewise.
2873 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2875 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2876 value before passing to make_relative_prefix.
2878 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2881 * builtins.c (expand_builtin_memset): Expand val in original mode.
2883 2006-04-27 Eric Christopher <echristo@apple.com>
2885 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2886 with #ifndef/#endif.
2887 * config/darwin-c.c (darwin_ms_struct): New.
2888 (darwin_pragma_ms_struct): Ditto.
2889 (darwin_set_default_type_attributes): Ditto.
2890 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2891 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2892 Register ms_struct pragma.
2893 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2894 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2895 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2896 darwin_set_default_type_attributes if TARGET_MACHO.
2898 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2900 PR tree-optimization/26854
2901 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2902 * doc/tree-ssa.texi: Update immuse iterator documentation.
2903 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2904 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2905 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2906 first_safe_imm_use, next_safe_imm_use): Remove.
2907 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2908 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2909 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2910 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2911 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2912 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2913 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2914 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2915 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2916 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2917 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2918 (perfect_nestify): Use new iterator.
2919 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2921 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2922 (next_imm_name): New field in struct immediate_use_iterator_d.
2923 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2924 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2925 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2926 * tree-cfg.c (replace_uses_by): Use new iterator.
2927 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2928 * tree-ssa-operands.c (correct_use_link): Remove.
2929 (finalize_ssa_use_ops): No longer call correct_use_link.
2931 2006-04-27 Stuart Hastings <stuart@apple.com>
2933 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2934 * config/t-darwin (crt3.o): Use it.
2935 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2936 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2937 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2938 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2939 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2942 2006-04-27 Roger Sayle <roger@eyesopen.com>
2944 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2945 size, force the intermediate into a new pseudo rather instead of
2946 performing both a bitwise AND and a bitwise IOR in memory.
2948 2006-04-27 Richard Guenther <rguenther@suse.de>
2950 PR rtl-optimization/26685
2951 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2952 this one "max-flow-memory-locations".
2954 2006-04-27 Richard Guenther <rguenther@suse.de>
2956 PR tree-optimization/25148
2957 * tree-vrp.c (compare_values): Remove code dealing with
2958 comparisons against type min/max value. Honour overflow
2959 and negative constants in code dealing with comparisons
2960 of plus and minus expressions.
2961 (value_inside_range): Use fold_binary with LE_EXPR and
2962 GE_EXPR rather than compare_values.
2964 2006-04-27 Dirk Mueller <dmueller@suse.de>
2966 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2969 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2971 * basic-block.h (safe_insert_insn_on_edge): Removed.
2972 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2974 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2975 Paolo Bonzini <bonzini@gnu.org>
2978 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2979 (simplify_and_const_int): Same.
2981 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2983 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2985 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2988 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2989 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2990 cgraph_global_info_ready.
2993 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2996 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2997 either decl or init is error_mark_node.
3000 * tree-flow.h (struct omp_region): Add sched_kind.
3001 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3002 instead of extracting omp for data.
3003 (expand_omp_for): Save extracted sched_kind.
3005 2006-04-25 Roger Sayle <roger@eyesopen.com>
3007 * expmed.c (store_bit_field): Also check whether the bitsize is
3008 valid for the machine's "insv" instruction before moving the
3009 target into a pseudo for use with the insv.
3010 * config/i386/predicates.md (const8_operand): New predicate.
3011 * config/i386/i386.md (extv, extzv, insv): Use the new
3012 const8_operand predicate where appropriate.
3014 2006-04-25 DJ Delorie <dj@redhat.com>
3016 * doc/install.texi (Specific): Clarify that this is not a list of
3017 supported hosts or targets.
3019 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3021 PR rtl-optimization/26725
3022 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3023 block's BB_DIRTY flag.
3025 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3027 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3030 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3031 to print an integer.
3033 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3035 * varasm.c (align_variable): New function.
3036 (get_block_for_decl): Apply align_variable to DECL before
3037 calculating section information.
3038 (assemble_variable): Split out alignment computation.
3040 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3042 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3045 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3047 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3048 MODE_PARTIAL_INT mode.
3049 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3050 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3052 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3053 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3055 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3057 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3059 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3060 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3061 MACFLAG_IH): Likewise.
3062 (movstricthi_1): Renamed from "*movstricthi".
3063 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3064 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3065 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3066 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3067 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3068 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3069 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3070 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3071 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3072 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3073 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3074 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3075 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3076 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3077 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3079 * doc/rtl.texi (ss_ashift): Improve wording.
3081 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3083 * dwarf2out.c (verify_marks_clear): New.
3084 (prune_unused_types): Call verify_marks_clear initially, not
3087 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3089 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3090 * doc/rtl.texi: Document them.
3091 * simplify-rtx.c (simplify_unary_operation,
3092 simplify_binary_operation_1): Don't abort when we see them.
3094 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3097 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3098 * configure.ac: Completely disregard languages that are not
3100 * configure: Regenerated.
3102 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3103 Richard Guenther <rguenther@suse.de>
3105 PR tree-optimization/27236
3106 * tree-inline.c (copy_body_r): Make sure to copy
3107 TREE_THIS_VOLATILE flag.
3109 2006-04-24 Richard Guenther <rguenther@suse.de>
3112 * tree-complex.c (update_parameter_components): Don't handle
3113 unused parameters which have no default def.
3115 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3116 Richard Guenther <rguenther@suse.de>
3118 PR tree-optimization/27218
3119 * tree-inline.c (expand_call_inline): Strip useless type
3120 conversions for the return slot address.
3122 2006-04-24 Richard Guenther <rguenther@suse.de>
3124 * cfgloop.h (struct loops): Remove unused field array. Reorder
3126 (LOOP_PREFETCH): Remove.
3128 2006-04-24 Richard Guenther <rguenther@suse.de>
3130 PR tree-optimization/22525
3131 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3132 variable, adjust types of generated expressions.
3134 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3136 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3137 (tree-vect-patterns.o): Likewise.
3139 (cselib.o): Likewise.
3140 (loop-doloop.o): Likewise.
3141 (regclass.o): Likewise.
3142 (reload1.o): Likewise.
3143 (explow.o): Replace target.h with $(TARGET_H).
3144 (ipa-prop.o): Likewise.
3145 (ipa-cp.o): Likewise.
3146 (ipa-inline.o): Likewise.
3147 (reorg.o): Likewise.
3148 (reg-stack.o): Likewise.
3150 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3152 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3154 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3156 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3158 * configure.ac: Completely disregard languages that are not
3160 * configure: Regenerated.
3163 * c-common.h (c_build_bitfield_integer_type): Declare.
3164 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3165 * c-common.c (c_build_bitfield_integer_type): ... here.
3167 2006-04-23 Roger Sayle <roger@eyesopen.com>
3170 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3171 a SImode SUBREG of a floating point register after no_new_pseudos.
3173 2006-04-23 Roger Sayle <roger@eyesopen.com>
3175 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3176 identify potentially eliminable registers to additionally catch
3177 VIRTUAL_INCOMING_ARGS_REGNUM.
3178 (addsi3): Update the conditions on when to use addsi_small_int.
3180 2006-04-23 Roger Sayle <roger@eyesopen.com>
3183 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3184 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3185 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3187 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3189 * fold-const.c (range_predecessor): Use operand_equal_p
3190 as the predicate for equality.
3191 (range_successor): Likewise.
3193 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3196 * config/soft-fp/op-common.h: Fix a typo.
3198 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3201 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3202 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3204 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3206 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3208 * doc/tm.texi: Fix a typo.
3210 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3212 * dwarf2out.c (struct die_struct): Document that die_sib makes
3213 a circular linked list.
3214 (FOR_EACH_CHILD): New.
3215 (reverse_die_lists): Delete.
3216 (reverse_all_dies): Delete.
3217 (add_dwarf_attr): Correct documentation.
3218 (remove_child_with_prev): New.
3219 (remove_child_TAG): Update for change to die_struct, use
3220 remove_child_with_prev.
3221 (add_child_die): Update for change to die_struct.
3222 (splice_child_die): Use remove_child_with_prev and add_child_die.
3223 (print_die): Use FOR_EACH_CHILD.
3224 (die_checksum): Likewise.
3225 (assign_symbol_names): Likewise.
3226 (output_location_lists): Likewise.
3227 (build_abbrev_table): Likewise.
3228 (calc_die_sizes): Likewise.
3229 (mark_dies): Likewise.
3230 (unmark_dies): Likewise.
3231 (unmark_all_dies): Likewise.
3232 (output_die): Likewise.
3233 (prune_unused_types_mark): Likewise.
3234 (prune_unused_types_walk): Likewise.
3235 (same_die_p): Update for change to die_struct.
3236 (break_out_includes): Likewise.
3237 (prune_unused_types_prune): Likewise.
3238 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3239 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3241 (dwarf2out_finish): Don't call reverse_all_dies.
3243 2006-04-21 Eric Christopher <echristo@apple.com>
3245 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3246 in comments and function names.
3248 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3251 * c-typeck.c (digest_init): Robustify.
3253 * c-typeck.c (pop_init_level): Simplify.
3255 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3257 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3259 2006-04-21 Paul Brook <paul@codesourcery.com>
3261 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3262 hardware floating point.
3264 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3266 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3269 2006-04-21 Nick Clifton <nickc@redhat.com>
3271 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3274 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3277 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3278 C++ lang type in traceback table for Objective-C++.
3280 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3282 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3284 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3286 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3289 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3290 were errors. Remove check for erroneous objects.
3292 2006-04-20 Jeff Law <law@redhat.com>
3294 PR tree-optimization/26854
3295 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3296 checking for zero or one use.
3297 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3298 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3299 * tree-ssa-reassoc.c (negate_value): Similarly.
3300 (reassociate_bb): Similarly.
3302 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3304 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3305 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3306 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3308 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3310 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3311 fp regs if the last fp arg doesn't fit in regs.
3313 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3316 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3317 that the last insn has the REG_INC note.
3319 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3320 Nathan Sidwell <nathan@codesourcery.com>
3323 * stor-layout.c (update_alignment_for_field): Do not align
3325 (place_union_field): Place union field at the start of the union.
3326 (place_field): Move ERROR_MARK check later, and use the current
3327 allocation position to maintain monotonicity.
3329 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3331 * dominance.c: Include timevar.h.
3332 (calculate_dominance_info): Use TV_DOMINANCE.
3333 * timevar.def (TV_DOMINANCE): New timevar.
3334 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3336 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3338 PR rtl-optimization/14261
3339 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3340 move would be an INSV insn.
3341 (noce_process_if_block): Don't optimize if the destination is a
3342 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3344 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3346 * config/s390/s390.md: Add comments with the instructions emitted
3347 by an insn pattern if macros are used.
3349 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3351 PR rtl-optimization/26026
3352 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3353 is a known power of two shifted left a variable amount.
3355 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3357 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3358 to hash table twice when the debug_str section has SECTION_MERGE.
3360 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3362 * config/soft-fp: New directory. From glibc.
3363 * config/soft-fp/t-softfp: New.
3364 * config/soft-fp/README: New.
3365 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3366 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3367 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3368 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3369 * config.gcc: Use rs6000/t-fprules-fpbit or
3370 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3372 * config/rs6000/sfp-machine.h: New. Based on glibc.
3373 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3375 * config/rs6000/t-fprules: Remove fp-bit rules.
3376 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3377 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3378 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3379 (softfp_wrap_start, softfp_wrap_end): New.
3381 2006-04-18 DJ Delorie <dj@redhat.com>
3383 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3385 2006-04-18 Devang Patel <dpatel@apple.com>
3387 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3389 2006-04-18 Nick Clifton <nickc@redhat.com>
3391 * config/sh/t-symbian: Add rule to build sh-c.o
3392 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3393 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3394 (sh_symbian_encode_section_info): Likewise.
3396 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3398 * builtins.c (expand_builtin_strcmp): Cover label definition of
3399 do_libcall with HAVE_cmpstrnsi.
3401 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3403 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3405 * function.h (temp_slot_p): New.
3406 (function): Change the type of x_used_temp_slots to
3407 VEC(temp_slot_p,gc) *.
3409 2006-04-18 Nick Clifton <nickc@redhat.com>
3411 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3412 flag_strength_reduce.
3414 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3416 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3420 Partial revert of revision 112637
3421 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3422 Dale Johannesen <dalej@apple.com>
3425 * regclass.c (struct reg_pref): Update documentation.
3426 (regclass): Set prefclass to NO_REGS if memory is the best option.
3427 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3429 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3431 PR tree-optimization/26821
3432 * tree-ssa-math-opts.c (get_constant_one): New.
3433 (insert_reciprocals): Use it.
3435 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3437 * dwarf2out.c (free_AT): Delete.
3438 (remove_AT): Update string ref counts.
3439 (remove_child_TAG): Don't call free_die.
3441 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3442 or DW_TAG_GNU_EINCL.
3443 (prune_unused_types_walk_attribs): Reset string refcounts.
3444 (prune_unused_types_update_strings): New.
3445 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3446 call free_die. Do call prune_unused_types_update_strings.
3447 (prune_unused_types): Empty debug_str_hash.
3449 2006-04-17 Roger Sayle <roger@eyesopen.com>
3451 * expr.c (expand_assignment): Optimize away no-op moves where the
3452 source and destination are equal and have no side-effects.
3454 2006-04-17 Richard Guenther <rguenther@suse.de>
3457 * reload.c (push_reload): Guard calls to get_secondary_mem
3460 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3462 * alias.c (reg_base_value, old_reg_base_value): Change the
3463 type to VEC(rtx,gc) *.
3464 (REG_BASE_VALUE, find_base_value, record_set,
3465 init_alias_analysis): Use VEC instead of VARRAY.
3467 * alias.c (alias_sets): Change the type to
3468 VEC(alias_set_entry,gc) *.
3469 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3470 VEC instead of VARRAY.
3471 (last_alias_set): Remove.
3473 * cgraph.h (cgraph_edge_p): New.
3474 Update the prototype of cgraph_function_versioning.
3475 * cgraphunit.c (cgraph_copy_node_for_versioning,
3476 cgraph_function_versioning): Use VEC instead of VARRAY.
3477 * ipa-cp.c (ipcp_insert_stage): Likewise.
3479 2006-04-16 Roger Sayle <roger@eyesopen.com>
3482 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3483 "A op B" or "A op C", we may need to convert A to the type of B and C.
3485 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3487 * target.h (struct gcc_target): Add mode_rep_extended.
3488 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3489 (init_num_sign_bit_copies_in_rep): Initialize it using
3491 (truncate_to_mode): Use it.
3492 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3493 * targhooks.h (default_mode_rep_extended): Declare it.
3494 * targhooks.c (default_mode_rep_extended): Define it.
3495 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3496 default_mode_rep_extended.
3497 (TARGET_INITIALIZER): Include it.
3498 * doc/tm.texi (Misc): Document it.
3499 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3500 (mips_truncated_to_mode): New function.
3502 2006-04-16 Roger Sayle <roger@eyesopen.com>
3505 * expr.c (compress_float_constant): Copy the narrow constant into
3506 a new pseudo before extending it to its final width.
3508 2006-04-16 Roger Sayle <roger@eyesopen.com>
3509 Andrew Pinski <pinskia@gcc.gnu.org>
3510 Dale Johannesen <dalej@apple.com>
3513 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3514 special case code to implement V8HImode and V16QImode with SSE2.
3516 2006-04-15 Roger Sayle <roger@eyesopen.com>
3518 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3519 trees are constructed with a suitable tree type.
3521 2006-04-15 Roger Sayle <roger@eyesopen.com>
3523 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3524 (integer_onep): Likewise.
3525 (integer_all_onesp): Likewise.
3526 (integer_pow2p): Likewise.
3527 (integer_nonzerop): Likewise.
3528 (real_zerop): Likewise.
3529 (real_onep): Likewise.
3530 (real_twop): Likewise.
3531 (real_minus_onep): Likewise.
3532 (int_size_in_bytes): Likewise.
3533 (host_integerp): Likewise.
3535 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3537 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3538 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3539 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3541 * tree-ssa-structalias.h (alias_info): Remove num_references.
3543 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3545 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3546 (output_bvb patterns): Likewise.
3547 * pa.c (output_bb): Use 'bb' insn for long branch case.
3548 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3549 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3550 1. Correct length operand for alternatives 1 and 2.
3551 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3552 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3554 2006-04-14 Roger Sayle <roger@eyesopen.com>
3556 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3557 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3558 were accidentally reverted by r112959.
3560 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3563 * except.h (eh_region_outermost): New prototype.
3564 * except.c (eh_region_outermost): New function.
3565 * tree-cfg.c (find_outermost_region_in_block): Use it.
3567 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3569 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3571 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3572 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3573 (init_reload, reload): Use VEC instead of VARRAY.
3574 * reload.h: Update the prototype for
3575 reg_equiv_memory_loc_varray.
3577 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3578 Eric Botcazou <ebotcazou@libertysurf.fr>
3580 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3583 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3586 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3587 to expand fallback builtin function call.
3589 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3592 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3593 and emit libcall here in case the builtin fails.
3594 (expand_builtin_strcmp): Always emit the libcall here on failure.
3596 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3598 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3599 * flow.c (reg_n_info): Change the type to
3600 VEC(reg_info_p,heap) *.
3601 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3603 * regs.h (reg_info_p): New.
3604 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3605 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3606 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3609 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3611 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3613 * params.h (MAX_SCHED_READY_INSNS): New macro.
3614 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3615 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3616 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3617 the ready list for 1 cycle during the first scheduling pass.
3618 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3620 2006-04-13 Richard Henderson <rth@redhat.com>
3623 * gimple-low.c (lower_omp_directive): Remove dead code.
3624 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3625 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3626 * omp-low.c (struct omp_region): Move to tree-flow.h.
3627 (root_omp_region): Export.
3628 (omp_regions, lookup_omp_region): Remove.
3629 (determine_parallel_type): Update for struct omp_region changes.
3630 (dump_omp_region): Dump regions with block numbers.
3631 (new_omp_region): Take type and block instead of stmt; malloc
3633 (free_omp_region_1, free_omp_regions): New.
3634 (expand_parallel_call): Take entry_stmt as argument; update for
3635 changes to omp_region.
3636 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3637 (remove_exit_barriers): New.
3638 (expand_omp_parallel): Update for struct omp_region changes.
3639 (expand_omp_synch): Likewise.
3640 (expand_omp): Likewise.
3641 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3642 (expand_omp_for_static_chunk): Likewise.
3643 (expand_omp_for): Likewise.
3644 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3645 (expand_omp_sections): Similarly, with GOMP_sections_end.
3646 (expand_omp_single): New.
3647 (build_omp_regions_1): Update for OMP_CONTINUE.
3648 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3649 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3650 OMP_SECTIONS_SECTIONS.
3651 (lower_omp_single_simple): Don't emit barrier here.
3652 (lower_omp_single_copy): Likewise.
3653 (lower_omp_single): Fix bindings, and lower to straightline now.
3654 (lower_omp_master, lower_omp_ordered): Likewise.
3655 (lower_omp_critical): Likewise.
3656 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3657 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3658 omp edges, free it afterward.
3659 (make_omp_sections_edges): Remove.
3660 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3661 (move_stmt_r): Handle OMP_CONTINUE.
3662 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3663 statement pointers to basic blocks. Add type member.
3664 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3665 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3666 * tree-inline.c (estimate_num_insns_1): Likewise.
3667 * tree-pretty-print.c (dump_generic_node): Likewise.
3668 * tree-ssa-operands.c (get_expr_operands): Likewise.
3669 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3670 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3671 (OMP_CONTINUE): New.
3672 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3673 (OMP_SECTIONS_SECTIONS): Remove.
3674 (OMP_SECTION_LAST): New.
3675 (OMP_RETURN_NOWAIT): New.
3677 2006-04-13 Roger Sayle <roger@eyesopen.com>
3679 * fold-const.c (native_encode_vector, native_interpret_real):
3680 Correct obvious mistakes in the previous check-in.
3682 2006-04-13 Roger Sayle <roger@eyesopen.com>
3684 * fold-const.c (native_encode_expr): New function to encode
3685 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3686 or VECTOR_CST into a specified buffer.
3687 (native_encode_int): New function.
3688 (native_encode_real): New function.
3689 (native_encode_complex): New function.
3690 (native_encode_vector): New function.
3691 (native_interpret_expr): Inverse of native_encode_expr to convert
3692 a target representation into an INTEGER_CST, REAL_CST etc...
3693 (native_interpret_int): New function.
3694 (native_interpret_real): New function.
3695 (native_interpret_complex): New function.
3696 (native_interpret_vector): New function.
3697 (fold_view_convert_expr): New function to constant fold/evaluate
3698 a VIEW_CONVERT_EXPR of a suitable constant expression.
3699 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3700 Change call of build1 to fold_build1 when constructing a
3703 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3704 Ulrich Weigand <uweigand@de.ibm.com>
3707 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3710 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3713 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3714 optimize to lo_sum for DFmode if !TARGET_FPRS.
3716 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3718 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3719 delete_alias_info, compute_flow_sensitive_aliasing,
3720 group_aliases): Use VEC instead of VARRAY.
3721 * tree-ssa-structalias.c (update_alias_info): Likewise.
3722 * tree-ssa-structalias.h (alias_info): Change the type of
3723 processed_ptrs to VEC(tree,heap) *.
3725 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3728 * config/sh/lib1funcs.h: New file, broken out of:
3729 * config/sh/lib1funcs.asm.
3730 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3732 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3733 * config/sh/lib1funcs-Os-4-200.asm: New file.
3734 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3735 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3736 (EXTRA_MULTILIB_PARTS): Include it.
3737 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3738 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3739 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3740 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3743 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3745 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3746 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3747 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3749 * tree-ssa-live.h: Include vecprim.h.
3750 (tree_partition_associator_d): Change the type of
3751 first_partition to VEC(int,heap) *.
3752 (tpa_first_partition): Use VEC instead of VARRAY.
3754 * Makefile.in (GTFILES): Move functions.h after tree.h.
3755 * function.c (reset_block_changes, record_block_change,
3756 check_block_change, free_block_changes): Use VEC instead of
3758 * function.h (function): Change the type of
3759 ib_boundaries_block to VEC(tree,gc) *.
3760 * tree-inline.c (copy_cfg_body): Initialize
3761 ib_boundaries_block to NULL instead of (varray_type) 0.
3763 2006-04-12 Roger Sayle <roger@eyesopen.com>
3765 * expr.c (emit_group_store): Correct operand order in call to
3766 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3767 a SUBREG_BYTE of zero.
3769 2006-04-12 Richard Guenther <rguenther@suse.de>
3771 * profile.c (compute_branch_probabilities): Remove code
3772 encapsulated in !ir_type (), which are remanents of the
3773 removed RTL profiling code.
3774 * rtl-profile.c: Remove.
3776 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3778 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3779 magic NULL_RTX comment.
3780 (function_arg): Store entire fp arg to mem if any part should go
3782 (rs6000_arg_partial_bytes): Adjust for above change.
3784 2006-04-11 Roger Sayle <roger@eyesopen.com>
3786 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3787 if it hasn't been initialized by dwarf2out_init.
3789 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3791 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3792 symbolic constants in branch patterns.
3794 2006-04-11 Roger Sayle <roger@eyesopen.com>
3796 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3798 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3800 PR rtl-optimization/27073
3801 * gcse.c (try_replace_reg): Revert last change. Continue to search
3802 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3805 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3807 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3808 aggregate types other than record and union types.
3809 (function_arg): Likewise.
3810 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3812 (function_value): In 64-bit mode, return objects that require it
3815 2006-04-11 Roger Sayle <roger@eyesopen.com>
3817 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3819 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3821 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3823 2006-04-03 Jeff Law <law@redhat.com>
3826 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3827 alias information too.
3829 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3831 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3833 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3836 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3837 (premark_used_types_helper): New.
3838 (premark_used_types): New.
3839 (gen_subprogram_die): Call premark_used_types.
3840 (prune_unused_types_walk): Do not prune perennial dies.
3841 * function.c (used_types_insert): New.
3842 * function.h (struct function): Add used_types_hash field.
3843 (used_types_insert): Add prototype.
3844 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3845 * c-parser.c (c_parser_cast_expression): Save casted types in used
3848 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3851 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3852 rs6000_explicit_options.float_gprs.
3854 2006-04-10 Roger Sayle <roger@eyesopen.com>
3856 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3857 from ix86_expand_vector_init_low_nonzero. Take an additional
3858 one_var argument indicating which element is non-zero. Support
3859 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3860 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3861 with one_var instead of ix86_expand_vector_init_low_nonzero.
3863 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3865 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3866 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3867 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3868 build/genextract.o): Depend on vecprim.h.
3869 * cfglayout.c, df-problems.c, function.c, genextract.c,
3870 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3871 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3875 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3877 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3878 Declare VECs of this type.
3879 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3880 (remove_children): Delete.
3881 (add_dwarf_attr): Use VEC routines.
3882 (add_AT_flag): Update for changes to add_dwarf_attr.
3883 (add_AT_int): Likewise.
3884 (add_AT_unsigned): Likewise.
3885 (add_AT_long_long): Likewise.
3886 (add_AT_vec): Likewise.
3887 (add_AT_string): Likewise.
3888 (add_AT_die_ref): Likewise.
3889 (add_AT_fde_ref): Likewise.
3890 (add_AT_loc): Likewise.
3891 (add_AT_loc_list): Likewise.
3892 (add_AT_addr): Likewise.
3893 (add_AT_lbl_id): Likewise.
3894 (add_AT_lineptr): Likewise.
3895 (add_AT_macptr): Likewise.
3896 (add_AT_offset): Likewise.
3897 (add_AT_range_list): Likewise.
3898 (get_AT): Use VEC_iterate.
3899 (remove_AT): Use VEC_ordered_remove.
3900 (free_die): Fold remove_children into here; have it use VEC_iterate.
3901 (print_die): Use VEC_iterate on attrs.
3902 (reverse_die_lists): Don't reverse attr lists.
3903 (die_checksum): Use VEC_iterate on attrs.
3904 (same_die_p): Likewise.
3905 (output_location_lists): Likewise.
3906 (build_abbrev_table): Likewise.
3907 (size_of_die): Likewise.
3908 (unmark_all_dies): Likewise.
3909 (output_abbrev_section): Likewise.
3910 (output_die): Likewise.
3911 (prune_unused_types_walk_attribs): Likewise.
3913 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3915 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3917 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3920 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3922 2006-04-09 Roger Sayle <roger@eyesopen.com>
3924 * expr.c (store_constructor): Don't bother clearing target if
3925 we're about to assign a vector to it using vec_init_optab.
3927 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3929 * tree-ssa-alias.c (lhs_may_store_to): New function.
3930 (recalculate_used_alone): Handle LHS of calls.
3932 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3936 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3937 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3938 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3939 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3940 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3941 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3942 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3943 stubs. Add ".align 8" directives before all ".dword" directives.
3944 (GTHREAD_USE_WEAK): Revise comment.
3945 (TARGET_ATTRIBUTE_WEAK): Define.
3946 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3947 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3948 * stublib.c: New file.
3953 * pa.md (cbranch patterns): Revise arguments used in calls to
3954 output_cbranch, output_bb and output_bvd. Add long branch length
3956 (fbranch patterns): Handle long branches.
3957 (jump): Revise length check. Revise arguments for output_lbranch call.
3958 Add long branch length attributes.
3959 (decrement_and_branch_until_zero): Add long branch length attributes.
3960 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3961 Likewise. Revise arguments for output_parallel_addb and
3962 output_parallel_movb calls.
3963 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3964 output_parallel_movb and output_parallel_addb): Update prototypes.
3965 * pa.c (output_cbranch): Revise arguments. Correct handling of
3966 nullification in long branches.
3967 (output_lbranch): Add new argument to control extraction of delay
3969 (output_bb): Handle long branches.
3970 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3971 output_parallel_addb): Likewise.
3973 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3975 PR rtl-optimization/27073
3976 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3979 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3981 * tree.h (tree_memory_tag): Add old_used_alone.
3982 (SMT_OLD_USED_ALONE): New macro.
3983 * tree-ssa-alias.c (recalculate_used_alone): Stop
3984 marking things for renaming unnecessarily.
3986 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3988 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3989 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3990 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3991 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3992 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3993 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3994 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3995 spelling convensions.
3996 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3997 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3998 typos. Follow spelling conventions.
4000 2006-04-07 DJ Delorie <dj@redhat.com>
4002 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4003 passed on the stack.
4004 (m32c_init_cumulative_args): When a function returns a structure,
4005 always pass the pointer to that return area on the stack.
4006 (m32c_function_arg_advance): Don't increment the parameter number
4007 if we're processing the returned structure pointer.
4008 (pushm_info): Reverse order of registers.
4010 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4012 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4013 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4014 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4015 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4017 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4018 chrec_fold_multiply): Same.
4019 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4020 force_expr_to_var_cost): Same.
4021 * tree-mudflap.c (mf_xform_derefs_1): Same.
4022 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4024 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4026 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4027 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4030 2006-04-07 Jan Hubicka <jh@suse.cz>
4032 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4034 2006-04-07 Richard Guenther <rguenther@suse.de>
4036 PR tree-optimization/26135
4037 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4038 loads for store copy-prop.
4039 (copy_prop_visit_stmt): Likewise.
4041 2006-04-05 Robert Millan <robertmh@gnu.org>
4043 * config/i386/linux.h: Add a comment to mark macros that are
4044 being overriden in config/k*bsd-gnu.h.
4045 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4047 * config/knetbsd-gnu.h: Ditto.
4049 2006-04-06 Jan Hubicka <jh@suse.cz>
4053 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4056 2006-04-06 Mike Stump <mrs@apple.com>
4058 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4059 for HAVE_nonlocal_goto to be consistent.
4060 (expand_builtin_nonlocal_goto): Likewise.
4061 (expand_builtin_strcmp): Use #ifdef instead of #if
4062 for HAVE_cmpstrnsi to be consistent.
4064 2006-04-05 DJ Delorie <dj@redhat.com>
4066 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4069 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4071 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4072 got-relative addressing for anything but SImode.
4074 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4075 even if the calling function doesn't modify them.
4077 2006-04-05 Richard Guenther <rguenther@suse.de>
4079 PR tree-optimization/26919
4080 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4081 to cgraph_estimate_size_after_inlining.
4083 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4085 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4087 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4089 PR tree-optimization/26996
4090 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4091 VECTOR_TYPE variables.
4093 2006-04-05 Richard Guenther <rguenther@suse.de>
4095 PR tree-optimization/26763
4096 * fold-const.c (fold_comparison): Move folding of
4097 PTR + CST CMP PTR + CST ...
4098 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4100 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4102 * doc/install.texi (Prerequisites): Refine some wording on
4103 bootstrapping and ksh.
4104 Move the version numbers of DejaGnu here from the testing section
4105 and fix casing of names.
4106 Fix markup and clarify wording for autogen requirements.
4107 Refer to GCJ instead of just java.
4108 Refer to SVN instead of CVS.
4109 Describe diffutils as useful instead of necessary.
4110 (Downloading the source): Refer to SVN instead of CVS.
4111 Adjust a link to our web site accordingly.
4112 (Configuration): Fix casing of Bison.
4113 (Building): Refer to SVN instead of CVS.
4114 Fix a sentence on the use of Bison and remove duplicate (and
4115 incorrect) version number of Bison requirement.
4116 Remove one redundant list of packages needed for building.
4117 (Specific): Avoid reference to CVS.
4119 2006-04-04 Eric Christopher <echristo@apple.com>
4121 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4122 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4123 (rs6000_handle_struct_attribute): New.
4124 (rs6000_ms_bitfield_layout_p): Ditto.
4126 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4128 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4129 NULL for dso parameter to atexit_common.
4131 2006-04-04 Eric Christopher <echristo@apple.com>
4133 * config/i386/i386.c (machopic_output_stub): Output \t
4134 between instructions and operands.
4136 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4138 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4139 satisfies_constraint_[IL] to explicit tests on value.
4141 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4143 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4144 set_nb_iterations_in_loop): Use build_int_cst instead of
4146 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4147 build_int_cst instead of convert.
4149 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4151 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4152 new value 2 for incoming.
4153 * function.c (expand_function_start): Call struct_value_rtx
4155 * config/sparc/sparc.md: Comment updated_return.
4156 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4157 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4158 struct return if sparc_std_struct_return and incoming is 2.
4159 (print_operand): Do not adjust return if
4160 sparc_std_struct_return.
4162 2006-04-04 Roger Sayle <roger@eyesopen.com>
4164 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4165 convert in the middle-end.
4166 * expr.c (store_expr, store_constructor, get_inner_reference,
4167 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4169 * tree.c (build_range_type): Likewise.
4171 2006-04-04 Tom Tromey <tromey@redhat.com>
4173 * doc/install.texi (Prerequisites): Mention jar.
4175 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4177 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4180 2006-04-04 Matthias Klose <doko@debian.org>
4182 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4183 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4186 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4188 * doc/extend.texi (Function Attributes): Rewrite visibility
4189 attribute documentation.
4190 * doc/invoke.texi (C++ Dialect Options): Rewrite
4191 -fvisibility-inlines-hidden documentation to describe something
4192 entirely different, although in practise compatible.
4193 (Code Gen Options): Warn about system headers in -fvisibility=
4196 * doc/extend.texi (Other Builtins): Document that
4197 __builtin_nan is a compile-time constant only when its argument
4200 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4202 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4203 trying to remove TRUNCATE check if all bits outside the new mode
4204 are identical to the sign bit.
4206 2006-04-03 Jeff Law <law@redhat.com>
4208 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4209 and operand scanning in some common cases.
4211 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4212 Dale Johannesen <dalej@apple.com>
4215 * regclass.c (struct reg_pref): Update documentation.
4216 (regclass): Set prefclass to NO_REGS if memory is the best option.
4217 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4218 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4219 into account. For non-registers, equate an empty preferred
4220 reload class to a `!' in the constraint; move the if clause to
4221 do so after those that reject the insn.
4222 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4224 (find_dummy_reload): Likewise.
4225 * doc/tm.texi (Register Classes): Document what it means
4226 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4227 * config/i386/i386.c (ix86_preferred_reload_class): Force
4228 using SSE registers (and return NO_REGS for floating-point
4229 constants) if math is done with SSE.
4230 (ix86_preferred_output_reload_class): New.
4231 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4232 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4233 * config/i386/i386.md: Remove # register preferences.
4235 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4238 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4239 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4240 the type of nb_iter.
4241 (instantiate_parameters_1): Convert the operands before calling
4242 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4243 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4245 2006-04-02 Roger Sayle <roger@eyesopen.com>
4247 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4248 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4250 * dojump.c (do_jump): Likewise.
4251 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4252 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4253 gimplify_boolean_expr): Likewise.
4254 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4255 * varasm.c (array_size_for_constructor): Likewise.
4256 * tree-object-size.c (compute_object_offset): Likewise.
4258 2006-04-02 Roger Sayle <roger@eyesopen.com>
4261 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4262 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4264 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4266 PR tree-optimization/26939
4267 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4269 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4271 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4272 at_stmt. Convert the type of operands before calling
4273 build_polynomial_chrec.
4274 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4276 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4277 (instantiate_parameters_1): Convert the type of operands before calling
4278 build_polynomial_chrec.
4279 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4280 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4281 reset_evolution_in_loop): Insert asserts to check the types of the
4283 (chrec_type): Moved...
4284 (eq_evolutions_p): Use operand_equal_p.
4285 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4286 the types of the operands.
4287 (chrec_type): ...here.
4288 * tree-data-ref.c (create_data_ref): Convert the operands before
4289 calling chrec_replace_initial_condition.
4290 (same_access_functions, analyze_subscript_affine_affine,
4291 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4292 (compute_subscript_distance, analyze_ziv_subscript,
4293 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4294 analyze_miv_subscript): Convert the operands before calling
4295 chrec_fold_minus or chrec_fold_plus.
4297 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4299 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4300 the dependence_relations vector.
4301 (compute_data_dependences_for_loop): Adjust call to
4302 compute_all_dependences.
4304 2006-04-01 Roger Sayle <roger@eyesopen.com>
4305 Richard Henderson <rth@redhat.com>
4307 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4308 gimple_boolify on the condition before calling gimplify_expr.
4310 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4312 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4313 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4314 the frame size. Update to use the new macros.
4315 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4316 * config/xtensa/ieee754-df.S: Likewise.
4318 2006-03-31 Richard Henderson <rth@redhat.com>
4320 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4321 (make_edges): ... here. Control fallthru creation with a local
4322 variable. Do not play with fake edges.
4323 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4324 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4327 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4329 * dwarf2.h (DW64_CIE_ID): Define.
4330 * dwarf2out.c (DWARF_CIE_ID): Define.
4331 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4332 length header. Use DWARF_CIE_ID.
4333 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4334 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4336 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4338 * config/sh/linux-atomic.asm: New file.
4339 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4341 2006-03-31 DJ Delorie <dj@redhat.com>
4343 * config/m32c/cond.md: Set condition flags properly throughout.
4344 * config/m32c/minmax.md: Likewise.
4345 * config/m32c/prologue.md: Likewise.
4346 * config/m32c/bitops.md: Likewise.
4347 * config/m32c/muldiv.md: Likewise.
4348 * config/m32c/mov.md: Likewise.
4349 * config/m32c/addsub.md: Likewise.
4350 * config/m32c/m32c.md: Likewise.
4351 * config/m32c/jump.md: Likewise.
4352 * config/m32c/shift.md: Likewise.
4354 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4355 conditionally output the pattern for this.
4356 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4357 (m32c_compare_redundant): New.
4358 (m32c_output_compare): New.
4359 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4361 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4362 dest, not src. Allow other 4-byte modes.
4364 2006-03-30 Denis Chertykov <denisc@overta.ru>
4366 * doc/md.texi: Refer to avr/constraints.md instead of
4369 2006-03-30 Roger Sayle <roger@eyesopen.com>
4371 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4372 signed vs. unsigned comparison failures on some hosts.
4374 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4377 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4378 change to FLOAT_REGS.
4380 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4381 (rs6000_override_options): Use it.
4382 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4383 only for -mabi=spe/no-spe and -mabi=altivec.
4385 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4387 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4390 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4392 * Makefile.in: Rename docdir to gcc_docdir.
4394 2006-03-30 Roger Sayle <roger@eyesopen.com>
4397 * expr.c (emit_group_store): Optimize group stores into a pseudo
4398 register by using a paradoxical subreg to initialize the destination
4399 if the first or last member of the group specifies a "low part".
4401 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4404 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4405 * target.h (struct gcc_target.speculate_insn): Change type of the
4406 second parameter to 'int'.
4407 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4408 the second operand of the DEPS_LIST.
4409 (copy_DEPS_LIST_list): Update reference to the second operand of the
4411 * rtl.h (alloc_DEPS_LIST): Update signature.
4412 * sched-int.h (ds_t): Change typedef to 'int'.
4413 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4415 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4417 * haifa-sched.c (try_ready): Change condition to restore
4418 non-speculative pattern of the instruction.
4419 (process_insn_depend_be_in_spec): Code to keep probability of the
4420 speculative dependence non-decreasing.
4422 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4424 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4425 (single_move_for_movmem): ... this. Also change all uses.
4426 (bfin_expand_strmov): Renamed to...
4427 (bfin_expand_movmem): ... this. Also change all uses.
4428 * config/bfin/bfin.md (movstrsi): Renamed to...
4429 (movstrsi): ...this.
4431 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4433 PR tree-optimization/26830
4435 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4436 (copy_prop_visit_stmt): Remove write-only variable ann.
4437 (init_copy_prop): Check variable loop depth here. Do not simulate
4438 memory-tag and virtual operand PHIs except for store copy prop.
4440 2006-03-30 Richard Guenther <rguenther@suse.de>
4442 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4443 variants with double arguments.
4445 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4447 * genpreds.c (write_tm_constrs_h): Delete variable p.
4448 * genconditions.c (write_header): Add tm-constrs.h to included
4450 * genpeep.c (main): Add toplev.h to included headers.
4451 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4452 (build/genpeep.o): Add toplev.h dependency.
4453 * config/rs6000/constraints.md: Add "W" constraint.
4455 2006-03-29 Roger Sayle <roger@eyesopen.com>
4457 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4458 sizes by correctly testing whether the size fits a host integer.
4459 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4460 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4461 SImode range for the default sizetype and bitsizetype.
4463 2006-03-29 Roger Sayle <roger@eyesopen.com>
4465 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4466 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4467 quickly if the argument is already of the correct type.
4468 Call fold_build1 instead of build1. Tidy up blank lines.
4470 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4472 * genemit.c (main): Add tm-constrs.h to included headers.
4473 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4474 * genpeep.c (main): Add tm-constrs.h to included headers.
4475 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4476 (write_tm_constrs_h): this and write complete file.
4477 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4478 (write_insn_preds_c): Add tm-constrs.h to included headers.
4479 (gen_constrs): New variable.
4480 (parse_option): Parse "-c".
4481 (main): Invoke write_tm_constrs_h.
4482 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4483 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4484 (object_out_file): Add tm-constrs.h dependency.
4485 (insn-emit.o): Same.
4486 (insn-output.o): Same.
4487 (insn-peep.o): Same.
4488 (insn-preds.o): Same.
4489 (insn-recog.o): Same.
4490 (tm-constsr.h): New target.
4491 (s-constrs-h): New target.
4493 * config/rs6000/constraints.md: New file.
4494 * config/rs6000/rs6000.c: Include tm-constrs.h.
4495 (num_insn_constant_wide): Convert to satisfies_constraint.
4496 (rs6000_rtx_costs): Convert to satisfies_constraint.
4497 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4498 (CONST_OK_FOR_LETTER_P): Delete.
4499 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4500 (EXTRA_CONSTRAINT): Delete.
4501 (EXTRA_MEMORY_CONSTRAINT): Delete.
4502 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4503 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4504 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4505 satisfies_constraint.
4507 * config/i386/i386.c: Include tm-constrs.h.
4509 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4511 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4512 * tree-data-ref.c (find_data_references_in_loop,
4513 compute_data_dependences_for_loop): Use pointers to VEC.
4514 (analyze_all_data_dependences): Adjust calls.
4515 * tree-data-ref.h (find_data_references_in_loop,
4516 compute_data_dependences_for_loop): Adjust declarations.
4517 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4518 compute_data_dependences_for_loop.
4520 2006-03-29 Paul Brook <paul@codesourcery.com>
4522 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4525 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4527 PR tree-optimization/26859
4528 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4530 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4531 for the step after fold_convert.
4533 2006-03-29 Paul Brook <paul@codesourcery.com>
4535 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4536 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4538 2006-03-29 Paul Brook <paul@codesourcery.com>
4541 * targhooks.c (default_narrow_bitfield): New fuction.
4542 * targhooks.h (default_narrow_bitfield): add prototype.
4543 * target.h (gcc_target): Add narrow_volatile_bitfield.
4544 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4545 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4546 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4547 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4549 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4551 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4553 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4554 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4555 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4556 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4557 (s390_function_arg_float): Allow SDmode and DDmode values to be
4558 passed in floating point registers.
4559 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4560 check with SCALAR_FLOAT_MODE_P.
4561 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4563 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4565 PR tree-optimization/25985
4566 * tree-ssa-loop-niter.c (number_of_iterations_le,
4567 number_of_iterations_ne): Make comments more precise.
4568 (number_of_iterations_cond): Add only_exit argument. Use the
4569 fact that signed variables do not overflow only when only_exit
4571 (loop_only_exit_p): New.
4572 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4573 number_of_iterations_cond.
4575 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4577 PR tree-optimization/26643
4578 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4581 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4583 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4584 (divsi3_i4_int): Likewise.
4586 2006-03-28 Roger Sayle <roger@eyesopen.com>
4588 * expr.c (emit_group_store): Only create a new pseudo reg if the
4589 quantity it needs to hold isn't already a suitable pseudo.
4591 2006-03-28 Jeff Law <law@redhat.com>
4593 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4594 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4596 2006-03-28 Roger Sayle <roger@eyesopen.com>
4598 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4599 the equivalent ~X & Y, and the symmetry related transformations.
4600 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4601 ~X & Y, and symmetry related transforms.
4603 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4605 Revert my 2006-03-27 patches.
4607 2006-03-28 Roger Sayle <roger@eyesopen.com>
4609 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4610 ~(T1)X, when T1 and T2 are integer types of the same precision
4611 and (T2)X isn't an extension.
4613 2006-03-28 Jeff Law <law@redhat.com>
4615 PR tree-optimization/26796
4616 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4617 need EH edge cleanups rather than purging them immediately.
4618 (eliminate_degenerate_phis): Handle queued EH cleanups.
4620 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4622 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4625 2006-03-27 Roger Sayle <roger@eyesopen.com>
4628 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4629 cast BIT_NOT_EXPR operand to the correct type.
4631 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4633 * tree-loop-linear.c: Don't include varray.h.
4634 (gather_interchange_stats, try_interchange_loops,
4635 linear_transform_loops): Use VEC instead of VARRAY.
4636 * lambda-mat.c: Don't include varray.h.
4637 * tree-chrec.c: Same.
4638 * lambda-trans.c: Same.
4639 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4640 VEC instead of VARRAY.
4641 * tree-vectorizer.h: Idem.
4642 * tree-data-ref.c (dump_data_references,
4643 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4644 initialize_data_dependence_relation, finalize_ddr_dependent,
4645 compute_all_dependences, find_data_references_in_loop,
4646 compute_data_dependences_for_loop, analyze_all_data_dependences,
4647 free_dependence_relation, free_dependence_relations,
4648 free_data_refs): Idem.
4649 * tree-data-ref.h (data_reference_p, subscript_p): New.
4650 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4651 VEC instead of VARRAY.
4652 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4653 (find_data_references_in_loop, compute_data_dependences_for_loop,
4654 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4655 dump_data_dependence_relations, free_dependence_relations,
4656 free_data_refs): Adjust declaration.
4657 (lambda_transform_legal_p): Move declaration here...
4658 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4659 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4660 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4661 vect_analyze_data_refs): Use VEC instead of VARRAY.
4662 * lambda.h (lambda_transform_legal_p): ...from here.
4663 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4664 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4665 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4666 tree-chrec.o): Don't depend on VARRAY_H.
4668 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4670 * rtl.def (Copyright): Update date.
4671 (DEPS_LIST): Change type of the second operand to 'int'.
4672 * target.h (Copyright): Update date.
4673 (struct gcc_target.speculate_insn): Change type of the second parameter
4675 * lists.c (Copyright): Update date.
4676 (alloc_DEPS_LIST): Change signature. Update reference to the second
4677 operand of the DEPS_LIST.
4678 (copy_DEPS_LIST_list): Update reference to the second operand of the
4680 * rtl.h (Copyright): Update date.
4681 (alloc_DEPS_LIST): Update signature.
4682 * sched-int.h (Copyright): Update date.
4683 (ds_t): Change typedef to 'int'.
4684 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4686 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4688 * haifa-sched.c (Copyright): Update date.
4689 (try_ready): Change condition to restore non-speculative pattern
4691 (process_insn_depend_be_in_spec): Code to keep probability of the
4692 speculative dependence non-decreasing.
4694 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4696 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4697 shut up the compiler.
4699 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4701 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4702 to use lib prefix for target.
4703 ($(T)libic_invalidate_array_4-200.a): Likewise.
4704 ($(T)libic_invalidate_array_4a.a): Likewise.
4706 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4707 J"orn Rennecke <joern.rennecke@st.com>
4709 * superh.opt: New file.
4710 * sh.c (boardtype, osruntime): Remove.
4711 * superh.h (SUBTARGET_OPTIONS): Remove.
4712 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4714 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4715 arguments with ^ and/or [].
4717 * config.gcc (sh-*-*): Add quoting to account for quirk of
4719 Replace == with = in enable_incomplete_targets test.
4721 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4722 with MASK_LITTLE_ENDIAN.
4724 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4725 * config/sh/sh.opt: Added to some comments.
4726 * config/sh/superh.h: Removed some chaff.
4728 * config/sh/sh.opt: Add m4-[1234]00* options.
4729 * config/sh/sh.c (sh_handle_option): Likewise.
4730 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4731 (ic_invalidate_array_4-100.o): New rule.
4732 ($(T)libic_invalidate_array_4-100.a): Likewise.
4733 (ic_invalidate_array_4-200.o): Likewise.
4734 ($(T)libic_invalidate_array_4-200.a): Likewise.
4735 (ic_invalidate_array_4a.o): Likewise.
4736 ($(T)libic_invalidate_array_4a.a): Likewise.
4737 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4738 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4740 * config/sh/crt1.asm: Merged in profiling code.
4741 * config/sh/superh.h (STARTFILE_SPEC): Override.
4742 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4743 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4744 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4746 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4747 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4748 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4750 * sh.opt (mpretend-cmove): New option.
4751 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4752 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4753 (movsicc): Add TARGET_PRETEND_CMOVE code.
4755 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4757 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4758 s390_class_max_nregs): New function prototypes.
4759 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4760 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4761 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4762 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4764 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4766 * dwarf2out.c (add_location_or_const_value_attribute): Call
4767 tree_add_const_value_attribute if nothing else works.
4768 (reference_to_unused): New.
4769 (rtl_for_decl_init): Use reference_to_unused to decide whether
4770 to output an initializer.
4772 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4775 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4776 peephole removing spe frob_di_df_2.
4778 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4780 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4781 (subscript_dependence_tester_1): Declared.
4782 (print_dir_vectors, print_dist_vectors): New.
4783 (debug_data_dependence_relation): New.
4784 (dump_data_dependence_relation): Print more details.
4785 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4786 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4787 (save_dist_v, save_dir_v, add_outer_distances,
4788 build_classic_dist_vector_1): New.
4789 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4790 Don't test for lambda_vector_lexico_pos.
4791 (same_access_functions, add_multivariate_self_dist,
4792 add_other_self_distances, dir_from_dist): New.
4793 (build_classic_dir_vector): Replace implementation almost identical to
4794 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4796 (subscript_dependence_tester_1): New.
4797 (subscript_dependence_tester): Handle the lexicographically negative
4798 distance vectors by recomputing the dependence relation.
4799 (compute_affine_dependence): Remove parameter loop_nest_depth.
4800 (compute_self_dependence): Don't call compute_subscript_distance.
4801 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4802 Add a parameter for the loop_nest.
4803 (find_loop_nest_1, find_loop_nest): New.
4804 (compute_data_dependences_for_loop): Compute the loop nest, and give
4805 up if the nest is not well formed.
4806 * tree-data-ref.h (loop_p): New.
4807 (struct data_dependence_relation): Replace size_vect field with
4808 loop_nest, a vec of loops.
4809 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4810 (DDR_LOOP_NEST): New.
4811 (print_dir_vectors, print_dist_vectors,
4812 debug_data_dependence_relation): Declared.
4813 (index_in_loop_nest): New.
4814 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4815 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4818 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4820 * simplify-rtx.c (simplify_relational_operation): Call
4821 simplify_relational_operation_1 even if mode is VOIDmode.
4823 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4825 PR tree-optimization/26804
4826 * tree.h (DECL_CALL_CLOBBERED): New macro.
4827 (tree_decl_common): Add call_clobbered_flag.
4828 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4829 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4830 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4831 (mark_non_addressable): Ditto.
4832 * tree-ssa.c (verify_call_clobbered): New function.
4833 (verify_alias_info): Use it.
4834 * tree-pass.h (pass_reset_cc_flags): New prototype.
4835 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4836 (reset_cc_flags): New function.
4837 * passes.c (init_optimization_passes): Call reset_cc_flags after
4838 initializing referenced_vars.
4840 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4841 Roger Sayle <roger@eyesopen.com>
4844 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4845 to 1.0 for non-real operands. Implement A / A optimization for
4848 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4850 * config/i386/i386.c (size_cost): Correct the comment for
4851 cost of storing fp registers.
4852 (i386_cost): Likewise.
4853 (i486_cost): Likewise.
4854 (pentium_cost): Likewise.
4855 (pentiumpro_cost): Likewise.
4856 (k6_cost): Likewise.
4857 (athlon_cost): Likewise.
4858 (k8_cost): Likewise.
4859 (pentium4_cost): Likewise.
4860 (nocona_cost): Likewise.
4861 (generic64_cost): Likewise.
4862 (generic32_cost): Likewise.
4864 2006-03-24 Denis Chertykov <denisc@overta.ru>
4866 * config/avr/avr-protos.h (extra_constraint): Delete.
4867 (extra_constraint_Q): New declaration.
4868 * config/avr/constraints.md: New file.
4869 * config/avr/avr.md: Include it.
4870 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4871 (TMP_REGNO, ZERO_REGNO): Likewise.
4872 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4873 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4874 (extra_constraint): Delete.
4875 (extra_constraint_Q): Test for memory constraint 'Q'.
4876 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4877 (REG_CLASS_FROM_LETTER): Delete.
4878 (CONST_OK_FOR_LETTER_P): Delete.
4879 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4880 (EXTRA_CONSTRAINT): Delete.
4881 (TMP_REGNO): Delete.
4882 (ZERO_REGNO): Delete.
4884 2006-03-24 Jeff Law <law@redhat.com>
4886 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4887 directly. Call mark_new_vars_to_rename slightly earlier.
4889 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4891 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4893 (gen_compile_unit_die): Use new language types for Objective-C and
4895 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4896 DW_LANG_C_plus_plus.
4899 * config/t-darwin (crt3.o): Work around bug 26840.
4900 * config/darwin-crt3.c: Rewrite.
4901 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4903 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4905 * doc/invoke.texi: Document -femit-class-debug-always
4906 * common.opt: Add -femit-class-debug-always.
4908 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4910 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4911 index and base register.
4912 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4913 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4914 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4915 REGNO_OK_FOR_INDEX_P.
4916 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4918 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4919 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4920 REG_OK_FOR_BASE_P): Definitions removed.
4922 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4925 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4926 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4927 set yet or weren't marked as local yet.
4929 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4931 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4934 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4936 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4937 (rs6000_legitimate_small_data_p): Delete.
4938 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4939 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4940 and make static. Add forward declaration. Update uses.
4941 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4942 of offsettable_memref_p.
4943 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4944 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4946 2006-03-24 Jeff Law <law@redhat.com>
4948 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4949 around bug in immediate-use iterator.
4951 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4954 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4955 or __LITTLE_ENDIAN__.
4957 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4959 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4960 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4961 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4962 * config/sh/sh.opt (mdiv=): Amend description.
4963 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4964 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4965 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4966 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4967 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4968 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4969 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4970 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4971 TARGET_DIVIDE_CALL_FP.
4973 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4975 * haifa-sched.c (choose_ready): Fix type of the local variable.
4976 Move local variables. Add comment.
4977 (check_reg_live): Change signature. Make callable from debugger.
4978 * sched-int.h (check_reg_live): Update signature.
4979 * sched-ebb.c (check_reg_live): Update parameters.
4980 * sched-rgn.c (check_reg_live): Ditto.
4981 (region_head_or_leaf_p): Check pointer before dereferencing.
4982 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4983 before reload on optimization levels below 1.
4985 2006-03-23 Richard Henderson <rth@redhat.com>
4987 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4991 * config/alpha/predicates.md (local_symbolic_operand): Reject
4994 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4997 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4998 expressions which have overflowed constants.
5000 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5002 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5004 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5006 * cfgloopmanip.c (create_loop_notes): Removed.
5007 * final.c (final_scan_insn): Do not handle loop notes.
5008 * jump.c (squeeze_notes): Ditto.
5009 * cfglayout.c (skip_insns_after_block,
5010 duplicate_insn_chain): Ditto.
5011 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5013 * cfgloop.h (create_loop_notes): Declaration removed.
5015 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5017 * varasm.c (output_constant_pool): Restore fnname and fndecl
5019 (assemble_start_function): Adjust call accordingly.
5020 (assemble_end_function): Likewise.
5022 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5025 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5028 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5030 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5033 * system.h (ICE_EXIT_CODE): New macro.
5034 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5035 (diagnostic_action_after_output): Likewise.
5036 * gcc.c (fatal_ice): New function.
5037 (execute): Use it instead of fatal.
5038 (fancy_abort): Likewise.
5039 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5041 2006-03-22 Jeff Law <law@redhat.com>
5043 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5044 iv_analyze_result returning false.
5046 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5048 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5050 2006-03-22 Richard Henderson <rth@redhat.com>
5053 * except.c (duplicate_eh_regions_0): New.
5054 (duplicate_eh_region_1): Duplicate the children of the node as
5055 well as the node itself. Link them up properly.
5056 (duplicate_eh_region_2): Merge into ...
5057 (duplicate_eh_regions): ... here. Take copy_region argument, and
5058 copy only a sub-tree if asked. Simplify copying and fixup.
5059 (eh_region_outer_p): New.
5060 * except.h (duplicate_eh_regions): Update decl.
5061 (eh_region_outer_p): Declare.
5062 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5063 (lower_omp_master): Likewise.
5064 (lower_omp_ordered): Likewise.
5065 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5066 (move_stmt_r): Use it to remap labels. Handle recursion vs
5067 remap_decls_p properly.
5068 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5069 (find_outermost_region_in_block): New.
5070 (new_label_mapper): New.
5071 (move_sese_region_to_fn): Copy eh information to the new function
5073 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5075 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5078 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5080 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5081 into shared libraries.
5083 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5085 * doc/md.texi: Refer to i386/constraints.md instead of
5087 * config/i386/constraints.md: New file, extracted from...
5088 * config/i386/predicates.md: ...here.
5089 * config/i386/i386.md: Include constraints.md.
5091 2006-03-21 Jason Merrill <jason@redhat.com>
5093 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5096 * expr.c (init_block_move_fn): Force default visibility.
5097 (init_block_clear_fn): Likewise.
5098 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5099 * targhooks.c (default_external_stack_protect_fail): Likewise.
5101 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5103 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5104 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5105 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5106 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5107 (loadgp): Use mips_current_loadgp_style.
5108 (loadgp_noshared): New pattern.
5109 (sibcall_internal): Use MIPS_CALL.
5110 (sibcall_value_internal): Likewise.
5111 (sibcall_value_multiple_internal): Likewise.
5112 (call_internal): Likewise.
5113 (call_value_internal): Likewise.
5114 (call_value_multiple_internal): Likewise.
5115 (call_split): Use MIPS_CALL and add an 'S' constraint.
5116 (call_value_split): Likewise.
5117 (call_value_multiple_split): Likewise.
5118 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5119 (-mshared): New option.
5120 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5121 (mips_current_loadgp_style): Declare.
5122 * config/mips/mips.c (mips_classify_symbol): Avoid using
5123 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5124 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5125 TARGET_ABSOLUTE_ABICALLS.
5126 (override_options): Adjust comments. Improve the warning that is
5127 issued when -mabicalls and -G are used together.
5128 (mips_file_start): Remove comment.
5129 (mips_current_loadgp_style): New function.
5130 (mips_gnu_local_gp): New variable.
5131 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5133 (mips_output_function_prologue): Use mips_current_laodgp_style.
5134 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5135 the cprestore instruction.
5136 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5137 live for TARGET_ABSOLUTE_ABICALLS.
5138 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5139 (ASM_SPEC): Pass down -mshared and -mno-shared.
5140 (MIPS_CALL): New macro.
5141 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5143 * doc/invoke.texi (-mabicalls): Update documentation.
5144 (-mshared): Document.
5146 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5148 * config/ia64/unwind-hpux.c: New file.
5149 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5151 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5154 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5156 2006-03-21 Jeff Law <law@redhat.com>
5158 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5159 type conversions of a VR_VARYING source to a wider type.
5161 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5163 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5164 tm_file on Solaris 10 and later.
5165 (sparc64-*-solaris2*): Likewise.
5166 (sparc-*-solaris2*): Likewise.
5167 * config/sol26.h: Rename to config/sol2-6.h.
5168 * config/sol2-10.h: New file.
5170 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5173 * tree-ssa-pre.c (create_component_ref_by_pieces):
5176 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5179 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5180 return it immediately.
5182 2006-03-21 Michael Matz <matz@suse.de>
5184 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5186 (remove_arc, add_arc): Update num_out_arcs member.
5187 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5189 (cache_presence): New function.
5190 (compare_states_for_equiv): New function.
5191 (state_is_differed): Don't take number of outargs, adjust callers.
5192 Use new invariant for speeding up.
5193 (init_equiv_class): Create initial classes based on sorted
5195 (partition_equiv_class): Don't track out_arcs_num.
5196 (evaluate_equiv_classes): Call cache_presence on all states and
5199 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5201 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5202 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5203 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5204 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5206 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5207 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5208 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5209 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5210 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5212 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5213 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5214 (REGNO_REG_CLASS): ARGP is in PREGS.
5215 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5217 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5218 to deal with those addresses.
5219 * addresses.h: New file.
5220 * caller-save.c: Include "addresses.h".
5221 (init_caller_save): Use new base_reg_class function.
5222 * rtl-factoring.c: Include "addresses.h".
5223 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5224 * recog.c: Include "addresses.h".
5225 (preprocess_constraints): Use new base_reg_class function.
5226 * regrename.c: Include "addresses.h".
5227 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5228 functions. Keep track of a new var INDEX_CODE to compute valid
5230 (replace_oldest_value_addr): Likewise.
5231 (replace_oldest_value_mem): Use base_reg_class.
5232 * reload.c: Include "addresses.h".
5233 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5234 (find_reloads): Use new base_reg_class function.
5235 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5236 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5237 all callers and prototype changed.
5238 * reload1.c: Include "addresses.h".
5239 (maybe_fix_stack_asms): Use base_reg_class.
5240 * regclass.c: Include "addresses.h".
5241 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5242 (init_reg_autoinc): Use new base_reg_class function.
5243 (record_reg_classes): Likewise.
5244 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5245 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5246 Use new args to compute necessary class.
5248 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5249 regrename.o, rtl-factoring.o): Update dependencies.
5250 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5251 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5252 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5253 REG_OK_FOR_INDEX_P): Delete documentation.
5255 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5257 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5258 from V7 to V9 for Solaris 7 and above.
5260 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5262 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5263 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5264 argument pointers may not alias any other storage.
5265 * common.opt: Define option -fargument-noalias-anything.
5266 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5267 alias semantics is specified by flag_argument_noalias > 2.
5269 2006-03-20 Jeff Law <law@redhat.com>
5271 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5272 (pass_phi_only_cprop): Declare.
5273 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5275 * tree-ssa-dom.c (degenerate_phi_result): New function.
5276 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5277 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5278 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5279 (eliminate_degenerate_phis): Likewise.
5280 (pass_phi_only_cprop): New pass descriptor.
5281 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5282 support code. Callers updated.
5283 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5284 (store_copy_prop): Likewise.
5285 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5287 2006-03-20 Jason Merrill <jason@redhat.com>
5290 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5291 (push_visibility, pop_visibility): Likewise.
5292 * c-pragma.h: Declare them.
5294 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5296 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5298 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5299 parameter and use get_ebb_head_tail.
5300 (sh_md_init_global): Adjust uses of find_regmode_weight.
5302 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5304 * function.h (struct function) <x_tail_recursion_reentry>:
5305 Rename to x_stack_check_probe_note.
5306 (tail_recursion_reentry): Rename to stack_check_probe_note.
5307 * function.c: Replace tail_recursion_reentry with
5308 stack_check_probe_note everywhere.
5309 (expand_function_start): Only emit a note for
5310 stack_check_probe_note with -fstack-protect.
5311 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5313 * emit-rtl.c (remove_unnecessary_notes): Remove.
5314 (pass_remove_unnecessary_notes): Remove.
5315 * rtl.h (remove_unnecessary_notes): Remove prototype.
5316 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5317 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5318 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5320 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5323 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5324 (valid_in_set): Handle ARRAY_REF.
5325 Change "if min_variant or VH" to asserts.
5326 (create_component_ref_by_pieces): Handle ARRAY_REF.
5327 (create_expression_by_pieces): Likewise.
5328 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5330 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5332 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5333 is operand of switch, not str[0].
5335 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5337 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5338 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5340 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5342 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5343 end of insn_extra_address_constraint declaration.
5345 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5347 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5348 (no-sum-in-toc): Same.
5349 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5351 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5352 NO_FP_IN_TOC for -fPIC instead of mask.
5354 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5355 (BOOT_LDFLAGS): Delete.
5357 * config/rs6000/t-aix52: Same.
5359 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5360 (stmsi[345678]_power): New.
5362 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5364 * config/ia64/ia64.opt: Add empty line to end of file.
5366 2006-03-17 Richard Guenther <rguenther@suse.de>
5369 * builtins.c (get_pointer_alignment): For component style references
5370 adjust alignment to the component type alignment. Make sure
5371 to adjust alignment for component access of constants.
5373 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5375 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5378 2006-03-17 Paul Brook <paul@codesourcery.com>
5380 * doc/install.texi: Docuemnt --with-mode.
5381 * config.gcc: Add --with-mode for arm*-*-*.
5382 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5384 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5386 * sh.c (max_labelno_before_reorg): New variable.
5387 (sh_reorg): Initialize it.
5388 (find_barrier): Check max_labelno_before_reorg before using
5389 label_to_alignment. Take length of explicit alignment insns
5390 into account. When seeing a UNSPECV_CONST_END, return it.
5392 * sh.c (fixup_mova): Set mode of affected label to QImode.
5393 (untangle_mova): New function.
5394 (find_barrier): Use it. Check mode of label before decrementing
5396 (sh_reorg): Likewise.
5397 Set mode of all insns back to VOIDmode.
5399 * sh.c (MOVA_LABELREF): New macro.
5400 (mova_p, fixup_mova, sh_reorg): Use it.
5401 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5402 ADDR_DIFF_VEC matches mova.
5404 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5406 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5407 with ATTRIBUTE_UNUSED.
5409 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5411 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5412 pointer, instead of assuming it is possible to derive the
5413 correct args size from a call insn.
5415 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5417 * rtl.h (CONST_INT_P): Define.
5418 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5419 instead of GET_CODE(x) == CONST_INT.
5420 (vax_rtx_costs): Likewise.
5421 (vax_output_int_move): Likewise.
5422 (vax_output_int_add): Likewise.
5423 (legitimate_constant_address_p): Likewise.
5424 (index_term_p): Likewise.
5425 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5426 * config/vax/vax.md (and<mode>3): Likewise.
5427 (ashrsi3): Likewise.
5429 (movstricthi): Likewise.
5430 (movstrictqi): Likewise.
5431 (rotrsi3): Likewise.
5432 (five unnamed insns): Likewise.
5434 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5436 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5437 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5438 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5439 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5440 Pass to ASM_OUTPUT_DWARF_OFFSET.
5441 * dwarf2out.c (debug_frame_section): New.
5442 (output_call_frame_info): Use debug_frame_section. Pass it to
5443 dw2_asm_output_offset.
5444 (output_die): Pass appropriate section to dw2_asm_output_offset.
5445 (output_compilation_unit_header): Likewise.
5446 (output_pubnames): Likewise.
5447 (output_aranges): Likewise.
5448 (enum dw_val_class): Break dw_val_class_lbl_offset into
5449 dw_val_class_lineptr and dw_val_class_macptr.
5450 (add_AT_lbl_offset): Delete.
5451 (add_AT_lineptr): New.
5452 (add_AT_macptr): New.
5453 (AT_lbl): Expect a lineptr or macptr.
5454 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5455 (attr_checksum): Likewise.
5456 (same_dw_val_p): Likewise.
5457 (size_of_die): Likewise.
5458 (value_format): Likewise.
5459 (output_die): Likewise.
5460 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5462 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5463 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5464 * config/darwin-protos.h (darwin_file_start): New.
5465 (darwin_asm_output_dwarf_offset): New.
5466 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5467 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5469 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5470 if not EH section; simplify.
5471 (darwin_file_start): New.
5472 (darwin_asm_output_dwarf_offset): New.
5473 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5475 (DEBUG_INFO_SECTION): Likewise.
5476 (DEBUG_ABBREV_SECTION): Likewise.
5477 (DEBUG_ARANGES_SECTION): Likewise.
5478 (DEBUG_MACINFO_SECTION): Likewise.
5479 (DEBUG_LINE_SECTION): Likewise.
5480 (DEBUG_LOC_SECTION): Likewise.
5481 (DEBUG_PUBNAMES_SECTION): Likewise.
5482 (DEBUG_STR_SECTION): Likewise.
5483 (DEBUG_RANGES_SECTION): Likewise.
5484 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5485 (ASM_OUTPUT_DWARF_OFFSET): New.
5487 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5489 * config.gcc (tm_defines): Always add to previous value rather
5492 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5494 * config/mips/predicates.md (splittable_const_int_operand): New,
5495 split from move_operand.
5496 (splittable_symbolic_operand): New.
5497 (move_operand): Add commentary. Use splittable_const_int_operand.
5498 Inline mips_atomic_symbolic_constant_p.
5499 * config/mips/mips.md: Add combine splitters for handling moves
5500 of splittable_const_int_operands and splittable_symbolic_operands.
5501 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5502 (mips_split_symbol): Declare.
5503 (mips_move_integer): Declare.
5504 * config/mips/mips.c (mips_split_p): Make global.
5505 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5506 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5507 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5508 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5509 (mips_offset_within_object_p): Handle block symbols.
5510 (mips_atomic_symbolic_constant_p): Delete.
5511 (mips_cannot_force_const_mem): Return false for constants that
5512 mips_legitimize_move can handle.
5513 (mips_use_blocks_for_constant_p): New function.
5514 (mips_split_symbol): Make global.
5515 (mips_move_integer): Likewise. Add a temporary register argument.
5516 (mips_legitimize_const_move): Use splittable_const_int_operand and
5517 splittable_symbolic_operand.
5518 (mips_use_anchors_for_symbol_p): New function.
5519 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5520 (mips_split_p): Declare.
5522 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5524 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5525 (mips*-*-linux*): Likewise.
5527 2006-03-16 Roger Sayle <roger@eyesopen.com>
5528 Daniel Speyer <dspeyer@wam.umd.edu>
5531 * tree-dump.c (dump_real): New function.
5532 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5533 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5534 (tree-dump.o): Add $(REAL_H) to the dependencies.
5536 2006-03-16 Roger Sayle <roger@eyesopen.com>
5539 * real.c (real_from_string): If the mantissa is zero, don't bother
5540 parsing the exponent as the result should always be zero.
5542 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5544 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5546 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5548 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5549 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5550 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5551 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5552 ia64_sched_finish_global): New static functions to implement
5553 hooks from gcc_target.sched.
5554 (spec_check_no, max_uid, pending_data_specs): New static variables.
5555 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5556 ia64_spec_check_src_p): New static functions.
5557 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5558 (TARGET_SCHED_ADJUST_COST): Removed.
5559 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5560 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5561 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5562 TARGET_SCHED_GEN_CHECK,
5563 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5564 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5565 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5566 Fixed to handle speculation checks.
5567 (rtx_needs_barrier): Fixed to handle speculative loads and
5569 (ia64_variable_issue): Added code to count speculative loads and their
5571 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5573 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5575 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5577 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5578 (ia64_reorg): Reset stops_p to NULL after it is freed.
5579 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5580 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5581 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5583 (data_speculative, control_speculative, check_load): New attributes.
5584 (mov<mode>_advanced, mov<mode>_speculative,
5585 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5586 zero_extend<mode>di2_speculative,
5587 zero_extend<mode>di2_speculative_advanced): New patterns for
5588 data and control speculative loads.
5589 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5591 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5592 New pattern for data and control speculation checks.
5593 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5594 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5595 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5596 Auxiliary definitions for the patterns.
5597 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5598 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5600 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5602 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5603 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5604 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5605 New resource constraints.
5606 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5608 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5609 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5610 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5611 msched-in-control-spec, msched-ldc, msched-control-ldc,
5612 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5613 msched-prefer-non-control-spec-insns,
5614 msched-count-spec-in-critical-path): New flags to tune speculative
5616 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5617 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5618 msched-in-control-spec, msched-ldc, msched-control-ldc,
5619 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5620 msched-prefer-non-control-spec-insns,
5621 msched-count-spec-in-critical-path): Document new flags.
5623 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5625 * target.h (struct spec_info_def): New opaque declaration.
5626 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5627 speculate_insn, needs_block_p, gen_check,
5628 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5629 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5630 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5631 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5632 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5633 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5635 (TARGET_SCHED): Use new macros.
5636 * rtl.h (copy_DEPS_LIST_list): New prototype.
5637 * sched-int.h (struct sched_info): Change signature of new_ready field,
5638 adjust all initializations. New fields: add_remove_insn,
5639 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5640 region_head_or_leaf_p.
5641 (struct spec_info_def): New structure declaration.
5642 (spec_info_t): New typedef.
5643 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5644 recovery_block, orig_pat.
5645 (glat_start, glat_end): New variables declaraions.
5646 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5648 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5649 DETACH_LIFE_INFO, USE_GLAT.
5650 (enum SPEC_SCHED_FLAGS): New enumeration.
5651 (NOTE_NOTE_BB_P): New macro.
5652 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5653 attach_life_info, debug_spec_status, check_reg_live): New functions.
5654 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5655 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5657 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5658 * ddg.c (get_block_head_tail): Adjust all uses.
5659 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5660 (sms_sched_info): Initialize new fields.
5661 (contributes_to_priority): Removed.
5662 * haifa-sched.c (params.h): New include.
5663 (get_block_head_tail): Adjust all uses.
5664 (ISSUE_POINTS): New macro.
5665 (glat_start, glat_end): New global variables.
5666 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5667 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5668 old_last_basic_block, before_recovery, current_sched_info_var,
5669 rgn_n_insns, luid): New static variables.
5670 (insn_cost1): New function. Move logic from insn_cost to here.
5671 (find_insn_reg_weight1): New function. Move logic from
5672 find_insn_reg_weight to here.
5673 (reemit_notes, move_insn, max_issue): Change signature.
5674 (move_insn1): Removed.
5675 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5676 extend_bb): New static functions to support extension of scheduler's
5678 (generate_recovery_code, process_insn_depend_be_in_spec,
5679 begin_speculative_block, add_to_speculative_block,
5680 init_before_recovery, create_recovery_block, create_check_block_twin,
5681 fix_recovery_deps): New static functions to support
5682 generation of recovery code.
5683 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5684 restore_bb_notes, move_block_after_check, move_succs): New static
5685 functions to support ebb scheduling.
5686 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5687 functions to support handling of register live information.
5688 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5689 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5690 add_jump_dependencies): New static functions.
5691 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5692 consistancy checking.
5693 (debug_spec_status): New function to call from debugger.
5694 (priority): Added code to handle speculation checks.
5695 (rank_for_schedule): Added code to distinguish speculative instructions.
5696 (schedule_insn): Added code to handle speculation checks.
5697 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5698 Fixed to handle ebbs.
5699 (move_insn): Added code to handle ebb scheduling.
5700 (max_issue): Added code to use ISSUE_POINTS of instructions.
5701 (choose_ready): Added code to choose between speculative and
5702 non-speculative instructions.
5703 (schedule_block): Added code to handle ebb scheduling and scheduling of
5704 speculative instructions.
5705 (sched_init): Initialize new variables.
5706 (sched_finish): Free new variables. Print statistics.
5707 (try_ready): Added code to handle speculative instructions.
5708 * lists.c (copy_DEPS_LIST_list): New function.
5709 * sched-deps.c (extend_dependency_caches): New function. Move logic
5710 from create_dependency_caches to here.
5711 (get_dep_weak, ds_merge): Make global.
5712 * genattr.c (main): Code to output prototype for
5713 dfa_clear_single_insn_cache.
5714 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5715 (output_dfa_clean_insn_cache_func): Code to output
5716 dfa_clear_single_insn_cache function.
5717 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5719 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5721 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5722 New static variables.
5723 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5724 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5726 (ebb_sched_info): Initialize new fields.
5727 (get_block_head_tail): Adjust all uses.
5728 (compute_jump_reg_dependencies): Fixed to use glat_start.
5729 (schedule_ebb): Code to remove unreachable last block.
5730 (schedule_ebbs): Added code to update register live information.
5731 * sched-rgn.c (region_sched_info): Initialize new fields.
5732 (get_block_head_tail): Adjust all uses.
5733 (last_was_jump): Removed. Adjust users.
5734 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5735 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5736 Implement new hooks.
5737 (check_dead_notes1): New static function.
5738 (struct region): New fields: dont_calc_deps, has_real_ebb.
5739 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5740 (BB_TO_BLOCK): Fixed to handle EBBs.
5741 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5742 (ebb_head): New static variable.
5743 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5744 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5746 (compute_dom_prob_ps): New assertion.
5747 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5748 global_live_at_start.
5749 (init_ready_list): New assertions.
5750 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5751 (new_ready): Add support for BEGIN_CONTROL speculation.
5752 (schedule_insns): Fixed code that updates register live information
5754 (schedule_region): Fixed to handle EBBs.
5755 (init_regions): Use extend_regions and check_dead_notes1.
5756 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5757 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5758 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5759 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5760 TARGET_SCHED_GEN_CHECK,
5761 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5762 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5763 * doc/invoke.texi (max-sched-insn-conflict-delay,
5764 sched-spec-prob-cutoff): Document.
5766 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5768 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5769 inter_tick, queue_index.
5770 (struct sched_info): Change signature of init_ready_list field.
5771 Adjust all initializations.
5772 (RESOLVED_DEPS): New access macro.
5773 (ready_add): Remove prototype.
5774 (try_ready): Add prototype.
5775 * sched-rgn.c (init_ready_list): Use try_ready.
5776 (schedule_region): Initialize
5777 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5778 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5779 (init_ready_list): Use try_ready.
5780 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5781 * lists.c (remove_list_elem): Remove `static'.
5782 (remove_free_INSN_LIST_elem): New function.
5783 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5784 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5785 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5787 (readyp): New variable.
5788 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5789 change_queue_index, resolve_dep): New static functions.
5790 (try_ready): New function. Adjust callers in sched-rgn.c and
5791 sched-ebb.c to use it instead of ready_add.
5792 (clock_var): Move at the begining of file.
5793 (rank_for_schedule): Fix typo.
5794 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5795 (ready_lastpos): Enforce assertion.
5796 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5798 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5799 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5800 (queue_to_ready): Use free_INSN_LIST_list.
5801 (early_queue_to_ready): Fix typo.
5802 (schedule_block): Init readyp. Move init_ready_list call after the
5803 initialization of clock_var. Fix error in rejecting insn by
5804 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5805 that previously corrected INSN_TICKs. Add code for handling
5807 (set_priorities): Fix typo.
5808 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5809 Clarify comment and code that keeps current_sched_info->next_tail
5812 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5814 * sched-rgn.c (extend_rgns): New static function.
5815 (find_rgns): Use it.
5816 (gather_region_statistics, print_region_statistics): New static
5818 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5819 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5821 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5822 Andrey Belevantsev <abel@ispras.ru>
5824 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5825 * lists.c (unused_deps_list): New variable.
5826 (free_list): Add assertions to verify the proper distinguishing
5827 between INSN_LISTs and DEPS_LISTs.
5828 (find_list_elem, remove_list_elem, remove_list_node): New static
5830 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5831 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5832 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5833 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5835 (free_INSN_LIST_node): Likewise.
5836 * modulo-sched.c (current_sched_info): Initialize flags field.
5837 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5838 * rtl.def (DEPS_LIST): Define.
5839 * rtl.h: Declare new functions from lists.c.
5840 * sched-deps.c (spec_dependency_cache): New static variable.
5841 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5842 (add_dependence): Change return type to void. Move the logic to ...
5843 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5844 (delete_all_dependences): Add comment about forward_dependency_cache.
5845 Handle spec_dependency_cache. Handle DEPS_LISTs.
5846 (fixup_sched_groups): Clarify the change of priority of output
5847 and anti dependencies.
5848 (sched_analyze_2): Adjust add_dependence calls to create data
5849 speculative dependence.
5850 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5851 Adjust all callers. Handle DEPS_LISTS.
5852 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5853 presence of speculation.
5854 (init_dependency_caches, free_dependency_caches):
5855 Handle spec_dependency_cache.
5856 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5857 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5858 New static functions.
5859 (add_or_update_back_dep, add_or_update_back_forw_dep,
5860 add_back_forw_dep, delete_back_forw_dep): New functions.
5861 * sched-int.h (ds_t, dw_t): New typedefs.
5862 (struct sched_info): Add new field flags.
5863 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5864 Prototype new sched-deps.c functions.
5865 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5866 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5867 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5868 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5869 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5870 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5872 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5874 * sched-rgn.c (current_sched_info): Initialize flags field.
5875 (schedule_insns): Initialize current_sched_info before the sched_init
5877 * sched-ebb.c (current_sched_info): Initialize flags field.
5878 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5879 Call add_or_update_back_dep instead of add_dependence.
5880 Create control speculative dependencies.
5881 (schedule_insns): Initialize current_sched_info before the sched_init
5884 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5886 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5888 (sh_fallback_frame_state): Likewise.
5890 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5892 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5893 Do switch on default_use_cxa_atexit.
5894 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5895 * config/darwin-crt3.o: New.
5896 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5897 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5898 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5900 * config/rs6000/t-darwin: Move crt2.o building to here.
5901 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5902 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5905 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5907 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5908 from '! xxx' to '!xxx' for coding-style conformance.
5909 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5910 (EXTRA_CONSTRAINT): Likewise.
5911 * config/vax/vax.md (four unnamed insns): Likewise.
5913 2006-03-15 Paul Brook <paul@codesourcery.com>
5915 * config/arm/arm.c (minipool_pad): New.
5916 (add_minipool_forward_ref): Include pool alignment padding in address
5918 (push_minipool_fix): Set minipool_pad.
5919 (minipool_pad): Ditto.
5921 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5923 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5924 instead of GET_CODE() == MEM and REG_P() instead of
5926 (print_operand_address): Likewise.
5927 (vax_address_cost): Likewise.
5928 (vax_rtx_costs): Likewise.
5929 (vax_notice_update_cc): Likewise.
5930 (vax_output_int_add): Likewise.
5931 (INDEX_REGISTER_P): Likewise.
5932 (BASE_REGISTER_P): Likewise.
5933 (nonindexed_address_p): Likewise.
5934 (vax_mode_dependent_address_p): Likewise.
5935 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5936 (PRINT_OPERAND): Likewise.
5937 * config/vax/vax.md (ashlsi3): Likewise.
5938 (ashlsi3): Likewise.
5939 (some more unnamed insns): Likewise.
5941 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5943 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5944 iterator-style macro.
5945 (mark_control_dependent_edges_necessary): Update the use of
5946 EXECUTE_IF_CONTROL_DEPENDENT.
5948 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5950 * config/sh/predicates.md (cache_address_operand): Special.
5951 (ua_address_operand): Likewise.
5953 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5955 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5957 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5959 2006-03-15 Andreas Schwab <schwab@suse.de>
5961 * gensupport.c (identify_predicable_attribute): Don't free p_false
5962 when it is still in use.
5964 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5966 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5967 the default setting here.
5969 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5971 * tree-pass.h (pass_cfg): Remove.
5972 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5973 * passes.c (pass_cfg): Don't run it.
5975 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5977 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5978 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5980 (stack_regs_mentioned): Update the uses of
5981 stack_regs_mentioned_data. Don't access the array beyond its
5983 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5984 Don't include gt-reg-stack.h.
5986 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5987 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5989 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5992 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5995 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5997 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5999 2006-03-14 Richard Guenther <rguenther@suse.de>
6001 PR tree-optimization/26672
6002 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6005 2006-03-14 Richard Guenther <rguenther@suse.de>
6007 PR tree-optimization/26667
6008 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6009 node for the callees. Always allow inlining if it will shrink
6012 2006-03-14 Richard Guenther <rguenther@suse.de>
6015 * builtins.c (get_pointer_alignment): Prefer alignment
6016 information from decls over that from types.
6018 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6021 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6023 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6025 * config/rs6000/rs6000.opt (mdlmzb): New option.
6026 (msched-prolog, msched-epilog): Use Var not Mask.
6027 * doc/invoke.texi (-mdlmzb): Document.
6028 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6030 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6031 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6033 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6035 PR rtl-optimization/25739
6036 * bt-load.c (augment_live_range): Free tos pointer.
6038 * gensupport.c (identify_predicable_attribute): Free
6040 * gcov.c (create_file_names): Free name pointer.
6042 2006-03-13 Roger Sayle <roger@eyesopen.com>
6045 * stmt.c (emit_case_nodes): Handle the case where the index is a
6046 CONST_INT, where the comparison mode is specified by the index type.
6048 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6050 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6053 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6055 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6056 (*branch_fp_inverted): Likewise.
6058 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6061 * omp-low.c (expand_omp_for_generic): Mark istart0
6062 and iend0 as addressable.
6064 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6066 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6068 2006-03-13 Jeff Law <law@redhat.com>
6070 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6071 virtual operands are interesting.
6072 (vrp_visit_stmt): Corresponding changes.
6074 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6076 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6078 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6079 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6080 * config/bfin/crti.S: Use it instead of __PIC__.
6081 * config/bfin/crtn.S: Likewise.
6083 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6084 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6086 Lose 'G' modifier for call operand.
6087 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6088 recognize 'G' modifier.
6090 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6093 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6094 * stmt.c (expand_case): Likewise.
6096 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6098 PR rtl-optimization/26254
6099 * loop-invariant.c (seq_insns_valid_p): New function.
6100 (move_invariant_reg): Only emit new code if it is valid.
6102 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6104 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6106 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6107 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6108 (commit_one_edge_insertion): Do not look for loop notes.
6110 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6112 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6113 flag_test_coverage out of loop.
6115 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6117 * final.c (shorten_branches): Remove outdated comment, and turn
6118 the if branch that guards it to continue.
6120 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6122 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6123 * cfgloop.h (struct loop): Remove unused fields.
6125 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6127 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6128 (-dL, -fdump-rtl-loop2): Update the dump file names
6130 * doc/invoke.texi: Update dump file names.
6132 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6134 * predict.c (estimate_probability): Remove.
6135 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6136 * basic-block.h (estimate_probability): Remove prototype.
6137 * passes.c (finish_optimization_passes): Dump branch prediction or
6138 profiling heuristics to the .profile tree dump.
6139 (init_optimization_passes): Unqueue pass_branch_prob.
6141 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6143 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6145 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6146 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6148 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6150 * function.h (frame_offset_overflow): Declare.
6151 * function.c (frame_offset_overflow): New function.
6152 (assign_stack_local_1): Call it to detect that the offset overflows.
6153 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6155 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6157 * config/sh/sh.c: Include alloc-pool.h.
6158 (label_ref_list_pool): New alloc pool.
6159 (label_ref_list_t): New type for lists of labels.
6160 (struct pool_node): Make wend a label_ref_list_t.
6161 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6163 (dump_table): Likewise.
6164 (sh_reorg): Set up the alloc pool before using add_constant and
6165 dump_table, and destroy it when finishing.
6167 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6169 * config/mips/mips.c: Remove redundant comment.
6171 2006-03-10 Jason Merrill <jason@redhat.com>
6174 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6175 the target was declared 'register'.
6177 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6179 * genpreds.c (write_insn_constraint_len): Change definition of
6180 insn_constraint_len to return size_t to match the declaration.
6182 2006-03-10 DJ Delorie <dj@redhat.com>
6184 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6186 (m32c_expand_insv): Fix test for an AND mask.
6188 2006-03-10 Richard Guenther <rguenther@suse.de>
6191 * builtins.c (get_pointer_alignment): Handle component
6192 references for field alignment.
6194 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6196 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6197 when building with libgloss.
6198 (sh*elf): Implement --without-fp option.
6199 (sh64-superh-linux*): Don't multilib.
6201 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6203 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6205 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6207 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6208 Set it when one of the replacement functions returned true.
6209 Return TODO_cleanup_cfg if cfgchanged is true.
6210 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6212 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6214 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6215 instead of gen_lowpart.
6217 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6219 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6221 (mips_output_order_conditional_branch): Declare.
6222 * config/mips/mips.h (MIPS_BRANCH): New macro.
6223 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6224 for the comparison. Use gen_condjump.
6225 (mips_output_conditional_branch): Rework interface to take the
6226 asm templates for a direct branch and the inverse of a direct branch.
6227 (mips_output_order_conditional_branch): New function.
6228 (mips_builtin_branch_and_move): New function.
6229 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6230 branch condition. Use gen_single_cc as the condition for
6231 __builtin_mips_upper_* or __builtin_mips_lower_*.
6232 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6233 Use VOIDmode for the branch condition.
6234 * config/mips/predicates.md (order_operator): New predicate.
6235 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6236 (branch_fp): Rename to...
6237 (*branch_fp): ...this. Remove mode from comparison operator.
6238 Use new mips_output_conditional_branch interface.
6239 (branch_fp_inverted): Rename to...
6240 (*branch_fp_inverted): ...this and update as for *branch_fp.
6241 (*branch_zero<mode>): Rename to...
6242 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6243 Use mips_output_order_conditional_branch. Only accept ordered
6245 (*branch_zero<mode>_inverted): Rename to...
6246 (*branch_order<mode>_inverted): ...this and update as for
6247 *branch_order<mode>.
6248 (*branch_equality<mode>): Accept zero as the second operand to
6249 the equality operator. Use the new mips_output_conditional_branch
6251 (*branch_equality<mode>_inverted): Likewise.
6252 (condjump): New expander.
6253 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6255 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6256 (bc1any2t, bc1any2f): Likewise.
6257 (single_cc): New expander.
6258 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6260 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6262 * doc/md.texi: Update documentation of MIPS constraints.
6263 * config/mips/constraints.md: New file.
6264 * config/mips/mips.md: Include it.
6265 * config/mips/mips.c (mips_char_to_class): Delete.
6266 (override_options): Don't initialize mips_char_to_class.
6267 * config/mips/mips.h (mips_char_to_class): Delete.
6268 (REG_CLASS_FROM_LETTER): Delete.
6269 (CONST_OK_FOR_LETTER_P): Delete.
6270 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6271 (EXTRA_CONSTRAINT_Y): Delete.
6272 (EXTRA_CONSTRAINT_STR): Delete.
6273 (CONSTRAINT_LEN): Delete.
6274 (EXTRA_MEMORY_CONSTRAINT): Delete.
6276 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6278 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6279 original fn's eh regions.
6281 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6283 * fold-const.c (build_range_check): Make sure to use a valid type to
6284 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6287 (range_predecessor): New static function.
6288 (range_successor): Likewise.
6289 (merge_ranges): Use them to compute predecessors and successors of
6292 2006-03-09 Roger Sayle <roger@eyesopen.com>
6295 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6296 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6298 2006-03-08 DJ Delorie <dj@redhat.com>
6300 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6301 (addpsi3): Expand to include memory operands. Remove
6302 reload-specific splits.
6303 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6304 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6305 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6306 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6307 (shift1_qi, shift1_hi, insv): New.
6308 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6309 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6310 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6312 * config/m32c/m32c-protos.h: Update as needed.
6313 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6314 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6315 Fail for unrecognized R* constraints.
6316 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6317 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6318 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6320 (m32c_init_libfuncs): New.
6321 (m32c_legitimate_address_p): Add debug wrapper.
6322 (m32c_rtx_costs): New.
6323 (m32c_address_cost): New.
6324 (conversions): Add 'B' prefix.
6325 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6326 operands, or word regnames for QI operands. 'B' prints bit
6328 (m32c_expand_setmemhi): New.
6329 (m32c_expand_movmemhi): New.
6330 (m32c_expand_movstr): New.
6331 (m32c_expand_cmpstr): New.
6332 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6333 (m32c_expand_neg_mulpsi3): Handle non-ints.
6334 (m32c_cmp_flg_0): New.
6335 (m32c_expand_movcc): New.
6336 (m32c_expand_insv): New.
6337 (m32c_scc_pattern): New.
6338 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6339 a0/a1 out of SIregs.
6340 (STORE_FLAG_VALUE): New.
6341 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6344 * config/m32c/mov.md: Make constraints more liberal.
6345 (zero_extendqihi2): Optimize r0/r1 case.
6346 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6347 * config/m32c/predicates.md (m32c_any_operand): New.
6348 (m32c_nonimmediate_operand): New.
6349 (m32c_hl_operand): New.
6350 (m32c_r3_operand): New.
6353 (memsym_operand): New.
6354 (memimmed_operand): New.
6355 (a_qi_operand): New.
6356 (m32c_eqne_operator): New.
6357 (m32c_1bit8_operand): New.
6358 (m32c_1bit16_operand): New.
6359 (m32c_1mask8_operand): New.
6360 (m32c_1mask16_operand): New.
6361 * config/m32c/blkmov.md: New file.
6362 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6364 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6366 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6367 unsigned to fix signed/unsigned comparison issue in
6368 DWARF2_FRAME_REG_OUT.
6369 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6370 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6372 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6373 of ptr into the ENABLE_CHECKING section.
6375 2006-03-08 Jeff Law <law@redhat.com>
6377 * tree-vrp.c (infer_value_range): Only count pointer uses
6378 and dereferences if -fdelete-null-pointer-checks is enabled.
6380 * tree-vrp.c (find_assert_locations): Infer value ranges for
6381 single use pointers, but do not create ASSERT_EXPRs for them.
6382 When a non-null range is inferred for a pointer, backwards
6383 propagate that range to other equivalent pointers through the
6386 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6389 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6390 language hook targets.
6391 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6392 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6393 if language hook targets were missing.
6395 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6397 * tree-ssa-opfinalize.h: Removed.
6398 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6400 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6401 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6402 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6403 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6404 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6405 finalize_ssa_v_must_def_ops): New.
6407 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6409 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6412 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6414 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6416 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6417 addresses with offsets; reorganize.
6419 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6420 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6421 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6423 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6426 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6428 2006-03-08 Ben Elliston <bje@au.ibm.com>
6430 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6432 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6435 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6438 2006-03-07 Richard Guenther <rguenther@suse.de>
6440 PR tree-optimization/26587
6441 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6443 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6445 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6447 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6449 * hooks.c (hook_bool_mode_rtx_true): New function.
6450 * hooks.h (hook_bool_mode_rtx_true): Declare.
6451 * toplev.c (compile_file): Call output_shared_constant_pool.
6452 * varasm.c (shared_constant_pool): New variable.
6453 (assemble_start_function, assemble_end_function): Remove arguments
6454 from call to output_constant_pool.
6455 (create_constant_pool): New function, split out from...
6456 (init_varasm_status): ...here.
6457 (force_const_mem): Choose between the shared and per-function constant
6458 pools. Set current_function_uses_const_pool when reusing old entries
6459 as well as when creating new ones.
6460 (mark_constant): Ignore data argument.
6461 (mark_constants): Remove pool argument.
6462 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6463 to decide whether the function uses a constant pool.
6464 (output_constant_pool_contents): New function, split out from...
6465 (output_constant_pool): ...here.
6466 (output_shared_constant_pool): New function.
6467 (init_varasm_once): Initialize shared_constant_pool.
6468 * output.h (output_constant_pool): Delete.
6469 (output_shared_constant_pool): Declare.
6470 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6471 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6473 2006-03-06 Nick Clifton <nickc@redhat.com>
6475 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6476 flag_strength_reduce.
6478 2006-03-06 Ben Elliston <bje@au.ibm.com>
6480 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6481 x86_64-*-linux* configurations.
6483 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6484 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6486 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6488 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6490 * basic-block.h: Remove the extern for
6491 rediscover_loops_after_threading.
6493 * cfgloop.c (cancel_loop): Make it static.
6494 * cfgloop.h: Remove the prototype for cancel_loop.
6496 * flow.c (recompute_reg_usage): Make it static.
6497 * rtl.h: Remove the prototype for recompute_reg_usage.
6499 * function.c (use_return_register): Make it static.
6500 * function.h: Remove the prototype.
6502 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6504 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6506 * recog.h: Remove the prototype for
6507 validate_change_maybe_volatile.
6509 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6511 * rtlanal.c (replace_reg): Remove.
6512 * rtl.h: Remove the prototype for replace_reg.
6514 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6516 * regclass.c (reg_scan_update): Remove.
6517 (reg_scan_mark_refs): Remove the last argument.
6518 * rtl.h: Remove the prototype for reg_scan_update.
6520 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6522 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6523 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6524 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6525 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6526 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6527 loop-invariant.c, omp-low.c, opts.c, passes.c,
6528 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6529 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6530 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6531 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6532 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6533 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6535 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6537 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6538 * dwarf2out.h: Remove the prototype for
6539 dwarf2out_add_library_unit_info.
6541 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6543 * tree.c (add_var_to_bind_expr): Remove.
6544 * tree.h: Remove the prototype for add_var_to_bind_expr.
6546 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6548 * regclass.c (n_non_fixed_regs): Remove.
6549 (init_reg_sets_1, globalize_reg): Remove all uses of
6551 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6553 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6555 * rtlanal.c (insns_safe_to_move_p): Remove.
6556 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6558 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6560 * expmed.c (expand_mult_add): Remove.
6561 * expr.h: Remove the prototype for expand_mult_add.
6563 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6565 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6566 and REG_SAVED_VAL_EXP constants.
6567 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6568 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6569 Handle regs stored by value.
6570 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6571 (execute_cfa_program): Handle DW_CFA_val_offset,
6572 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6573 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6574 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6575 (uw_install_context_1): Handle target regs stored by value.
6577 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6579 * tree-sra.c (tree_sra): Return todoflags;
6580 (generate_one_element): Set TODO_update_smt_usage if needed.
6581 (pass_sra): Remove TODO_update_smt_usage.
6582 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6584 (tree_ssa_forward_propagate_single_use_vars): Return
6585 TODO_update_smt_usage if we need to update SMT usage.
6586 (pass_forwprop): Remove TODO_update_smt_usage.
6588 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6590 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6591 (correct_use_link): Remove reference to get_stmt_operands.
6592 (update_stmt_operands): Likewise.
6593 (get_modify_expr_operands): New function factored out of
6594 parse_ssa_operands and get_expr_operands.
6595 Try to create V_MUST_DEFs for LHS by default.
6596 (get_expr_operands) <case MODIFY_EXPR>: Call
6597 get_modify_expr_operands.
6598 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6599 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6600 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6601 get_modify_expr_operands.
6603 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6605 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6606 * tree-flow.h: Remove the prototype for
6607 referenced_var_lookup_if_exists.
6609 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6611 PR rtl-optimization/26345
6613 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6615 2006-03-03 Roger Sayle <roger@eyesopen.com>
6617 PR tree-optimization/26524
6618 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6619 fold_convert to create a constant of the appropriate type.
6621 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6623 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6624 SYMBOL_REF_IN_BLOCK_P.
6625 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6626 of SYMBOL_FLAG_IN_BLOCK.
6627 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6628 instead of SYMBOL_REF_IN_BLOCK_P.
6629 * explow.c (use_anchored_address): Likewise.
6630 * rtl.c (rtx_size): Likewise.
6631 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6632 instead of SYMBOL_FLAG_IN_BLOCK.
6633 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6634 SYMBOL_REF_IN_BLOCK_P.
6635 (assemble_variable): Likewise.
6636 (output_constant_def_contents): Likewise.
6637 (output_constant_pool): Likewise.
6638 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6639 instead of SYMBOL_FLAG_IN_BLOCK.
6640 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6641 SYMBOL_REF_IN_BLOCK_P.
6642 (SYMBOL_REF_BLOCK): Likewise.
6643 (SYMBOL_REF_OFFSET): Likewise.
6644 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6645 SYMBOL_REF_IN_BLOCK_P.
6646 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6647 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6648 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6649 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6651 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6653 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6655 2006-03-02 Roger Sayle <roger@eyesopen.com>
6657 * simplify-rtx.c (simplify_unary_operation): When simplifying
6658 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6659 that we perform the right shift in the appropriate mode, and
6660 then extend or truncate the result to requested mode.
6662 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6664 * gengtype.c (main): Handle double_int type.
6665 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6666 * double-int.c: New file.
6667 * double-int.h: New file.
6668 * system.h: Include doubleint.h.
6669 * Makefile.in (SYSTEM_H): Include double-int.h.
6670 (double-int.o): Add.
6672 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6675 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6678 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6680 * tree-vrp.c (remove_range_assertions): Do not update statements
6683 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6685 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6687 * gcse.c (rest_of_handle_gcse): Ditto.
6688 * except.c (gate_handle_eh): Ditto.
6689 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6690 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6692 2006-03-02 Eric Christopher <echristo@apple.com>
6694 * config/i386/i386.c (machopic_output_stub): Add indirection to
6697 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6701 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6703 Sun Niagara specific optimizations.
6704 * config.gcc: Recognize niagara as target.
6705 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6706 (TARGET_CPU_niagara): Define.
6707 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6708 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6709 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6710 (ASM_CPU_SPEC): Likewise.
6711 (PROCESSOR_NIAGARA): New enum entry.
6712 (REGISTER_MOVE_COST): Handle Niagara.
6713 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6714 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6715 (sparc_override_options): Recognize "niagara", set appropriate
6716 default MASK_* values for it, and align functions to 32-bytes
6717 by default just like ULTRASPARC/ULTRASPARC3.
6718 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6719 (sparc64_initialize_trampoline): Likewise.
6720 (sparc_use_sched_lookahead): Use zero for niagara.
6721 (sparc_issue_rate): Use one for niagara.
6722 * config/sparc/niagara.md: New file.
6723 * config/sparc/sparc.md: Include it.
6724 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6725 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6726 when default cpu is niagara.
6727 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6728 (ASM_CPU_SPEC): Likewise.
6729 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6730 when default cpu is niagara.
6731 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6732 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6733 just like v9/ultrasparc/ultrasparc3.
6734 * doc/invoke.texi: Add documentation for "niagara" and improve
6735 existing documentation for ultrasparc variants.
6737 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6739 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6741 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6743 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6744 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6745 and say that only one is needed.
6746 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6747 * target.h (have_switchable_bss_sections): New hook.
6748 * explow.c (use_anchored_address): Check that the symbol is in a block.
6749 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6750 (bss_noswitch_section): New variables.
6751 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6752 (get_noswitch_section): New function.
6753 (get_block_for_section): Allow SECT to be null.
6754 (unlikely_text_section_p): Use SECTION_STYLE.
6755 (bss_initializer_p): New function.
6756 (get_variable_section): Move earlier in file. Take a new argument,
6757 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6758 Return one of the new *_sections in such cases.
6759 (get_block_for_decl): New function, extracting some logic from
6760 use_blocks_for_decl_p.
6761 (change_symbol_section): Remove in favor of...
6762 (change_symbol_block): ...this new function.
6763 (use_blocks_for_decl_p): Remove checks now performed by
6765 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6766 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6767 (emit_local, emit_bss, emit_common): ...these new functions.
6768 Return true if the alignment was honored.
6769 (emit_tls_common): New function.
6770 (asm_emit_uninitialised): Delete.
6771 (assemble_variable_noswitch): New function, split out from...
6772 (assemble_variable): ...here. Don't make decisions about common
6773 variables here. Globalize all public decls that go into non-common
6774 sections. Check whether SYMBOL_REF_BLOCK is null.
6775 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6776 (output_constant_pool): Likewise.
6777 (init_varasm_once): Initialize the new section variables.
6778 (have_global_bss_p): New function.
6779 (categorize_decl_for_section): Use bss_initializer_p.
6780 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6781 (place_block_symbol): Assert that the symbol must be in a block.
6782 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6783 (TARGET_INITIALIZER): Include it.
6784 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6785 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6786 (SECTION_MACH_DEP): Bump by two.
6787 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6788 (unnamed_section): Mention SECTION_UNNAMED in comment.
6789 (named_section): Likewise SECTION_NAMED.
6790 (noswitch_section_callback): New type.
6791 (noswitch_section): New structure.
6792 (section): Add a noswitch_section alternative.
6793 (SECTION_STYLE): New macro.
6794 (tls_comm_section, comm_section, lcomm_section): Declare.
6795 (bss_noswitch_section, have_global_bss_p): Declare.
6796 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6797 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6799 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6800 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6803 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6805 * tree-vrp.c (execute_vrp): Return value.
6806 * regrename.c (rest_of_handle_regrename): Ditto.
6807 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6808 * tree-complex.c (tree_lower_complex): Ditto.
6809 (tree_lower_complex_O0): Ditto.
6810 * tracer.c (rest_of_handle_tracer): Ditto.
6811 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6812 * postreload.c (rest_of_handle_postreload): Ditto.
6813 * tree-tailcall.c (execute_tail_recursion): Ditto.
6814 (execute_tail_calls): Ditto.
6815 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6816 * tree.h (init_function_for_compilation): Ditto.
6817 * ipa-cp.c (ipcp_driver): Ditto.
6818 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6819 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6820 * final.c (compute_alignments): Ditto.
6821 (rest_of_handle_final): Ditto.
6822 (rest_of_handle_shorten_branches): Ditto.
6823 (rest_of_clean_state): Ditto.
6824 * omp-low.c (execute_expand_omp): Ditto.
6825 (execute_lower_omp): Ditto.
6826 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6827 * ipa-reference.c (static_execute): Ditto.
6828 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6829 * reorg.c (rest_of_handle_delay_slots): Ditto.
6830 (rest_of_handle_machine_reorg): Ditto.
6831 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6832 * flow.c (recompute_reg_usage): Ditto.
6833 (rest_of_handle_remove_death_notes): Ditto.
6834 (rest_of_handle_life): Ditto.
6835 (rest_of_handle_flow2): Ditto.
6836 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6837 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6838 (do_ssa_store_ccp): Ditto.
6839 (execute_fold_all_builtins): Ditto.
6840 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6841 * modulo-sched.c (rest_of_handle_sms): Ditto.
6842 * ipa-pure-const.c (static_execute): Ditto.
6843 * cse.c (rest_of_handle_cse): Ditto.
6844 (rest_of_handle_cse2): Ditto.
6845 * web.c (rest_of_handle_web): Ditto.
6846 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6847 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6848 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6849 * tree-nrv.c (tree_nrv): Ditto.
6850 (execute_return_slot_opt): Ditto.
6851 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6852 (create_structure_vars): Ditto.
6853 * loop-init.c (rtl_loop_init): Ditto.
6854 (rtl_loop_done): Ditto.
6855 (rtl_move_loop_invariants): Ditto.
6856 (rtl_unswitch): Ditto.
6857 (rtl_unroll_and_peel_loops): Ditto.
6858 (rtl_doloop): Ditto.
6859 * gimple-low.c (lower_function_body): Ditto.
6860 (mark_used_blocks): Ditto.
6861 * tree-ssa-sink.c (execute_sink_code): Ditto.
6862 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6863 (cgraph_early_inlining): Ditto.
6864 * global.c (rest_of_handle_global_alloc): Ditto.
6865 * jump.c (cleanup_barriers): Ditto.
6866 (purge_line_number_notes): Ditto.
6867 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6868 (rest_of_handle_if_after_reload): Ditto.
6869 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6870 (tree_ssa_loop_im): Ditto.
6871 (tree_ssa_loop_unswitch): Ditto.
6872 (tree_vectorize): Ditto.
6873 (tree_linear_transform): Ditto.
6874 (tree_ssa_loop_ivcanon): Ditto.
6875 (tree_ssa_empty_loop): Ditto.
6876 (tree_ssa_loop_bounds): Ditto.
6877 (tree_complete_unroll): Ditto.
6878 (tree_ssa_loop_prefetch): Ditto.
6879 (tree_ssa_loop_ivopts): Ditto.
6880 (tree_ssa_loop_done): Ditto.
6881 * predict.c (tree_estimate_probability): Ditto.
6882 * recog.c (split_all_insns_noflow): Ditto.
6883 (rest_of_handle_peephole2): Ditto.
6884 (rest_of_handle_split_all_insns): Ditto.
6885 * tree-eh.c (lower_eh_constructs): Ditto.
6886 * regmove.c (rest_of_handle_regmove): Ditto.
6887 (rest_of_handle_stack_adjustments): Ditto.
6888 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6889 * function.c (instantiate_virtual_regs): Ditto.
6890 (init_function_for_compilation): Ditto.
6891 (rest_of_handle_check_leaf_regs): Ditto.
6892 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6893 (rest_of_handle_gcse): Ditto.
6894 * ipa-type-escape.c (type_escape_execute): Ditto.
6895 * alias.c (rest_of_handle_cfg): Ditto.
6896 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6897 * profile.c (rest_of_handle_branch_prob): Ditto.
6898 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6899 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6900 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6901 * tree-dfa.c (find_referenced_vars): Ditto.
6902 * except.c (set_nothrow_function_flags): Ditto.
6903 (convert_to_eh_region_ranges): Ditto.
6904 (rest_of_handle_eh): Ditto.
6905 * emit-rtl.c (unshare_all_rtl): Ditto.
6906 (remove_unnecessary_notes): Ditto.
6907 * except.h (set_nothrow_function_flags): Ditto.
6908 (convert_to_eh_region_ranges): Ditto.
6909 * cfgexpand.c (tree_expand_cfg): Ditto.
6910 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6911 * tree-ssa-pre.c (do_pre): Ditto.
6912 (execute_fre): Ditto.
6913 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6914 (rest_of_handle_jump2): Ditto.
6915 * tree-sra.c (tree_sra): Ditto.
6916 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6917 (execute_mudflap_function_decls): Ditto.
6918 * tree-ssa-copy.c (do_copy_prop): Ditto.
6919 (do_store_copy_prop): Ditto.
6920 * ipa-prop.h (ipcp_driver): Ditto.
6921 * cfglayout.c (insn_locators_initialize): Ditto.
6922 * tree-ssa-forwprop.c
6923 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6924 * cfglayout.h (insn_locators_initialize): Ditto.
6925 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6926 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6927 (execute_late_warn_uninitialized): Ditto.
6928 * rtl.h (cleanup_barriers): Ditto.
6929 (split_all_insns_noflow): Ditto.
6930 (purge_line_number_notes): Ditto.
6931 (unshare_all_rtl): Ditto.
6932 (remove_unnecessary_notes): Ditto.
6933 (recompute_reg_usage): Ditto.
6934 (variable_tracking_main): Ditto.
6935 * integrate.c (emit_initial_value_sets): Ditto.
6936 * integrate.h (emit_initial_value_sets): Ditto.
6937 * tree-optimize.c (execute_free_datastructures): Ditto
6938 (execute_free_cfg_annotations): Ditto.
6939 (execute_fixup_cfg): Ditto.
6940 (execute_cleanup_cfg_pre_ipa): Ditto.
6941 (execute_cleanup_cfg_post_optimizing): Ditto.
6942 (execute_init_datastructures): Ditto.
6943 * tree-object-size.c (compute_object_sizes): Ditto.
6944 * combine.c (rest_of_handle_combine): Ditto.
6945 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6946 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6947 (rest_of_handle_reorder_blocks): Ditto.
6948 (rest_of_handle_partition_blocks): Ditto.
6949 * var-tracking.c (variable_tracking_main): Ditto.
6950 * tree-profile.c (tree_profiling): Ditto.
6951 * tree-vect-generic.c (expand_vector_operations): Ditto.
6952 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6953 * sched-rgn.c (rest_of_handle_sched): Ditto.
6954 (rest_of_handle_sched2): Ditto.
6955 * basic-block.h (free_bb_insn): Ditto.
6956 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6957 * tree-cfg.c (execute_build_cfg): Ditto.
6958 (remove_useless_stmts): Ditto.
6959 (split_critical_edges): Ditto.
6960 (execute_warn_function_return): Ditto.
6961 (execute_warn_function_noreturn): Ditto.
6962 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6963 * cfgrtl.c (free_bb_for_insn): Ditto.
6964 * passes.c (execute_one_pass): Run additional
6965 todos returned by execute function.
6966 * tree-pass.h (struct tree_opt_pass): Make execute
6969 2006-03-02 Richard Guenther <rguenther@suse.de>
6971 * tree-ssa-alias.c (find_used_portions): Consider taking
6972 the address as making the variable not write-only.
6974 2006-03-02 Nick Clifton <nickc@redhat.com>
6976 * config.gcc (default_use_cxa_atexit): Extend the description of
6977 this configure variable. Set its default value to "yes" for
6978 Linux, NetBSD and ELF targets on the assumption that they will
6979 use C libraries with the __cxa_atexit function.
6981 2006-03-02 Ben Elliston <bje@au.ibm.com>
6983 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6984 parameter as unused to suppress a build warning.
6986 2006-03-02 Ben Elliston <bje@au.ibm.com>
6988 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6991 2006-03-01 Roger Sayle <roger@eyesopen.com>
6994 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6995 declared name, the weak reference name, and the typeof name.
6996 (__gthrw): Avoid expanding the declared name suffix.
6997 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6999 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7001 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7003 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7004 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7005 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7006 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7007 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7008 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7009 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7010 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7011 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7012 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7013 (DW_END_default, DW_END_big, DW_END_little): New.
7014 (DW_END_lo_user, DW_END_hi_user): Define.
7015 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7016 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7017 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7020 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7022 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7024 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7026 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7028 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7030 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7031 to 'symbol_mem_tag'.
7033 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7036 2006-03-01 Roger Sayle <roger@eyesopen.com>
7038 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7040 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7043 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7044 MACHO_DYNAMIC_NO_PIC_P.
7045 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7047 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7050 * config/darwin-protos.h (darwin_asm_output_anchor):
7052 * config/darwin-sections.def (cstring_section):
7053 Add SECTION_MERGE to the flags.
7054 (literal4_section): Likewise.
7055 (literal8_section): Likewise.
7056 (objc_selector_refs_section): Likewise.
7057 (objc_cls_refs_section): Likewise.
7058 * config/darwin.c (darwin_asm_output_anchor): New
7060 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7062 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7064 Fix PR tree-optimization/26443
7065 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7066 to todo and PROP_tmt_usage to properties_destroyed.
7067 * tree-ssa-ccp.c (pass_ccp): Ditto.
7068 (pass_store_ccp): Ditto.
7069 * tree-ssa-dom.c (pass_dominator): Ditto.
7071 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7073 * tree-ssa-operands.c: Cleanup whitespace.
7074 (get_asm_expr_operands): Move before first invocation.
7075 (get_indirect_ref_operands): Likewise.
7076 (get_tmr_operands): Likewise.
7077 (get_call_expr_operands): Likewise.
7078 (append_def): Likewise.
7079 (append_use): Likewise.
7080 (append_v_may_def): Likewise.
7081 (append_v_must_def): Likewise.
7082 (add_call_clobber_ops): Likewise.
7083 (add_call_read_ops): Likewise.
7084 (add_stmt_operand): Likewise.
7085 (add_virtual_operand): Likewise.
7086 (build_ssa_operands): Likewise.
7088 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7093 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7094 with a call expr to ...
7095 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7097 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7099 * tree-vrp.c (extract_range_from_assert): Remove special
7100 handling for types with super-types.
7102 2006-03-01 Ben Elliston <bje@au.ibm.com>
7104 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7105 and powerpc64-*-linux* configurations.
7106 * config/t-dfprules: New file.
7108 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7109 Compile dfp-bit.c from the source directory using -DWIDTH and
7110 $DFP_CFLAGS to control the compilation of that file, rather than
7111 generating width-specific versions in the build directory.
7112 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7113 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7115 2006-02-28 Zack Weinberg <zackw@panix.com>
7117 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7120 2006-02-28 Eric Christopher <echristo@apple.com>
7122 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7123 Set up IN_LIBGCC definition of TARGET_64BIT.
7124 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7126 2006-02-28 Roger Sayle <roger@eyesopen.com>
7129 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7130 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7131 cases via the construction of "expr != 0".
7133 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7135 * alias.c (alias_invariant, alias_invariant_size): Remove.
7136 (record_base_value): Remove.
7137 (memrefs_conflict_p): Don't look at alias_invariant.
7138 (end_alias_analysis): Don't free it.
7139 * alias.h (record_base_value): Remove prototype.
7141 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7142 Adam Nemet <anemet@caviumnetworks.com>
7144 * rtl.h (truncated_to_mode): Declare it.
7145 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7146 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7147 (RTL_HOOKS_INITIALIZER): Include it.
7148 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7149 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7150 reg_truncated_to_mode.
7151 * rtlanal.c (truncated_to_mode): Define it.
7152 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7154 2006-02-28 Jeff Law <law@redhat.com>
7156 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7157 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7158 the range allowed by TYPE_PRECISION.
7160 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7162 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7164 PR tree-optimization/26419
7165 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7168 2006-02-27 Zack Weinberg <zackw@panix.com>
7170 * doc/md.texi: Fix typo in previous change.
7172 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7176 2006-02-27 Zack Weinberg <zackw@panix.com>
7178 * rtl.def (define_constraint, define_register_constraint)
7179 (define_memory_constraint, define_address_constraint): New MD forms.
7180 * gensupport.c (process_rtx): Put define_constraint etc on the
7182 * genpreds.c (process_define_predicate): Adjust comment. Validate
7183 the name, and call validate_exp to validate the expression.
7184 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7185 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7186 all callers changed.
7187 (validate_exp, needs_variable, struct constraint_data)
7188 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7189 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7190 (const_dbl_constraints, constraint_max_namelen)
7191 (have_register_constraints, have_memory_constraints)
7192 (have_address_constraints, have_address_constraints)
7193 (have_extra_constraints, have_const_int_constraints)
7194 (have_const_dbl_constraints, mangle, add_constraint)
7195 (process_define_constraint, process_define_register_constraint)
7196 (write_enum_constraint_num, write_lookup_constraint)
7197 (write_insn_constraint_len, write_regclass_for_constraint)
7198 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7199 (write_insn_extra_memory_constraint)
7200 (write_insn_extra_address_constraint)
7201 (write_satisfies_constraint_fns): New.
7202 (write_tm_preds_h): If we have new-style constraint definitions,
7203 prototype the functions generated from them, and define the
7204 old constraint interface (still used by generic code) in terms of
7206 (write_insn_preds_c): If we have new-style constraint definitions,
7207 generate all relevant functions from those definitions.
7208 (main): Handle define_constraint etc.
7209 * genoutput.c (struct constraint_data, indep_constraints)
7210 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7211 (mdep_constraint_len): New data structures and functions, defined
7212 #ifdef USE_MD_CONSTRAINTS.
7213 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7214 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7215 use new logic to validate operand constraints against constraint
7217 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7219 * defaults.h: If none of the old-style constraint macros are
7220 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7221 old-style macros; and poison REG_CLASS_FROM_LETTER,
7222 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7224 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7225 * doc/md.texi: Document new constraint-definition mechanism and the
7226 C interface it provides. Remove references to old mechanism
7227 elsewhere in the document.
7228 (Machine Constraints): Use pathnames relative to gcc directory,
7229 i.e. config/ARCH/FILE. Change i386 section to refer to
7230 config/i386/predicates.md; update that section to match docstrings.
7231 * doc/tm.texi: Move all documentation of the old constraint-
7232 definition macros to their own section, clearly mark as obsolete.
7234 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7235 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7237 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7238 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7239 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7241 (splits and peepholes): Use satisfies_constraint_*.
7242 * config/i386/i386.c (memory_address_length)
7243 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7245 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7247 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7248 scalar operation to be put back into the loop.
7250 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7253 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7254 (extract_cie_info): Handle S flag in augmentation string.
7255 (execute_cfa_program): If context->signal_frame, execute also
7256 fs->pc == context->ra instructions.
7257 (uw_frame_state_for): If context->signal_frame, don't subtract one
7258 from context->ra to find FDE.
7259 (uw_update_context_1): Set context->signal_frame to
7261 (_Unwind_GetIPInfo): New function.
7262 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7263 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7265 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7266 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7267 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7268 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7269 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7270 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7271 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7272 x86_64_fallback_frame_state): Set fs->signal_frame.
7273 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7274 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7275 (frob_update_context): Likewise. Workaround missing S flag in
7276 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7277 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7278 Remove the psw_addr + 1 hack.
7280 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7282 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7283 with aggregates here.
7284 (find_func_aliases): Remove code for &<aggregate> from here.
7286 2006-02-26 Roger Sayle <roger@eyesopen.com>
7288 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7289 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7290 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7293 2006-02-26 Roger Sayle <roger@eyesopen.com>
7296 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7298 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7300 * opts.c (decode_options): Do not handle flag_strength_reduce.
7301 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7302 and OPT_fstrength_reduce.
7303 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7304 flag_prefetch_loop_arrays for being nonzero.
7305 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7307 (fprefetch-loop-arrays-rtl): Removed.
7308 (flag_prefetch_loop_arrays): Do not specify the value.
7310 * doc/passes.texi: Update documentation of loop optimizer
7312 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7313 -frerun-loop-opt): Remove.
7315 2006-02-26 Richard Guenther <rguenther@suse.de>
7317 PR tree-optimization/26421
7318 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7319 in function calls that are ADDR_EXPRs as using the whole structure.
7321 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7323 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7324 * tree-pass.h (pass_loop_optimize): Remove.
7325 * passes.c (pass_loop_optimize): Never run it.
7326 * toplev.c (backend_init): Don't call init_loop.
7327 * opts.c (flag_loop_optimize_set): Remove.
7328 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7329 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7330 the old RTL loop optimizer when profiling enabled.
7331 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7332 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7333 pre-headers for the sake of the old RTL loop optimizer.
7334 * Makefile.in: Remove all references to loop.o.
7336 * doc/invoke.texi: Remove all references to -floop-optimize
7337 and -frerun-loop-opt.
7339 2006-02-26 Zack Weinberg <zackw@panix.com>
7341 * doc/md.texi (Machine Constraints): Refer to all files with paths
7342 relative to gcc directory (i.e. config/CPU/file). Add missing
7343 @table @code ... @end table to M32C subsection.
7345 2006-02-26 Roger Sayle <roger@eyesopen.com>
7347 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7349 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7351 2006-02-26 Roger Sayle <roger@eyesopen.com>
7352 James A. Morrison <phython@gcc.gnu.org>
7355 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7356 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7357 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7358 signedness of the shift operation.
7360 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7362 PR tree-optimization/26359
7363 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7365 2006-02-25 Roger Sayle <roger@eyesopen.com>
7367 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7368 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7369 as X == 0, and some symmetry related transformations.
7370 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7372 2006-02-25 Roger Sayle <roger@eyesopen.com>
7375 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7376 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7377 symmetry related transformations. Fold (X^C1) == C2 as
7380 2006-02-25 Juergen Weigert <jw@suse.de>
7381 Richard Guenther <rguenther@suse.de>
7383 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7385 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7387 * combine.c (gen_lowpart_or_truncate): Call
7388 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7390 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7392 * doc/invoke.texi: Move -fopenmp description to "Options for
7394 Remove reference to -lgomp.
7396 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7398 * doc/install.texi: Require GNU tar version 1.14.
7400 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7402 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7403 * doc/invoke.texi (C++ Dialect Options): Document
7404 -fno-use-cxa-get-exception-ptr.
7405 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7406 * configure: Regenerate.
7407 * c.opt (fuse-cxa-get-exception-ptr): New.
7408 * c-opts.c (c_common_handle_option): Handle
7409 OPT_fuse_cxa_get_exception_ptr.
7410 * c-common.c (flag_use_cxa_atexit): Update documentation.
7411 (flag_use_cxa_get_exception_ptr): New.
7412 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7413 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7415 (C_COMMON_OVERRIDE_OPTIONS): New.
7417 2006-02-24 Roger Sayle <roger@eyesopen.com>
7420 * combine.c (try_combine): Explicitly check whether GET_CODE is
7421 a SET or a CLOBBER, instead on checking that it isn't a USE.
7423 2006-02-24 Roger Sayle <roger@eyesopen.com>
7425 * fold-const.c (fold_comparison): New subroutine of fold_binary
7426 containing transformations common to both the equality and
7427 ordering relational operators, factored out of fold_binary.
7428 (fold_binary): Separate out the equality operators (EQ_EXPR
7429 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7430 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7431 transformations common to both.
7432 (fold_div_compare): Fix latent bugs in the previously unreachable
7433 LT_EXPR and GE_EXPR cases.
7435 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7437 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7438 decl libname for clog to __clog on AIX.
7440 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7442 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7445 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7446 output traceback table for thunks. Localise rs6000_stack_info call.
7448 2006-02-23 Roger Sayle <roger@eyesopen.com>
7449 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7451 * gthr-posix.h (__gthrw): Fix typo in comment.
7453 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7455 * doc/cpp.texi (Character sets): Document that we do support
7456 input files to be in any character set.
7458 2006-02-23 Jeff Law <law@redhat.com>
7460 * tree.h (PHI_ARG_NONZERO): Remove.
7461 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7462 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7463 node to the new node.
7465 PR tree-optimization/26425
7466 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7467 min/max, then assume its varying.
7469 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7471 PR rtl-optimization/26316
7472 * rtlanal.c (enum may_trap_p_flags): New.
7473 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7474 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7475 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7476 (may_trap_after_code_motion_p): New function.
7477 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7478 (find_invariant_insn): Use may_trap_after_code_motion_p.
7479 * rtl.h (may_trap_after_code_motion_p): Declare.
7481 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7483 * emit-rtl.c (immed_double_const): Cleanup.
7485 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7487 Fix PR tree-optimization/26376
7488 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7491 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7494 * gimplify.c (omp_add_variable): Guard variable size decl test with
7495 DECL_SIZE (decl) check.
7497 2006-02-23 Richard Guenther <rguenther@suse.de>
7500 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7501 like aggregate types.
7503 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7505 * configure.ac: Add --with{,out}-long-double-128 configure option.
7506 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7507 * configure: Rebuilt.
7508 * config.in: Rebuilt.
7509 * doc/install.texi (Options specification): Document
7510 --with-long-double-128.
7512 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7513 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7514 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7515 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7517 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7519 * config/s390/s390.c (override_options): Handle
7520 TARGET_DEFAULT_LONG_DOUBLE_128.
7522 * config/alpha/alpha.c (override_options): Handle
7523 TARGET_DEFAULT_LONG_DOUBLE_128.
7525 * config/sparc/sparc.c (sparc_override_options): Handle
7526 TARGET_DEFAULT_LONG_DOUBLE_128.
7528 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7530 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7531 (real-install-headers-tar, real-install-headers-cpio)
7532 (real-install-headers-cp): New targets.
7534 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7536 * tree.h (variable_section): Delete.
7537 * varasm.c (variable_section): Delete.
7539 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7541 * install.texi: Add notes on install.texi2html.
7542 (Building in parallel): Do not use footnotes.
7544 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7547 * doc/install.texi (Configuration): Document --disable-libgomp.
7549 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7551 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7553 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7555 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7556 (vec_extractv2df_0_sse): New.
7558 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7560 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7561 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7562 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7563 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7564 to the result of the expression.
7565 (def_cfa_1): Adjust.
7566 (frame_pointer_cfa_offset): Rename to...
7567 (frame_pointer_fb_offset): ... this. Adjust all uses.
7568 (convert_cfa_to_loc_list): Rename to...
7569 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7570 Pass it on to build_cfa_loc.
7571 (compute_frame_pointer_to_cfa_displacement): Rename to...
7572 (compute_frame_pointer_to_fb_displacement): ... this. New
7573 offset parameter. Use it in computation.
7574 (gen_subprogram_die): Compute cfa_fb_offset with the new
7575 macro, and use it to compute the fb loc list and the
7578 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7580 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7581 replaced with register_operand.
7582 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7583 non-DREG is expensive.
7584 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7585 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7588 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7590 * doc/install.texi2html: Use set -e.
7592 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7594 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7595 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7596 * doc/invoke.texi (-fshared-data): Delete.
7597 * common.opt (fshared-data): Delete.
7598 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7599 (assemble_static_space): Remove #if 0 code.
7600 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7601 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7602 * config/cris/cris.h: Remove FIXME.
7604 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7606 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7609 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7612 * combine.c (simplify_shift_const_1): Disable nested shifts
7613 optimization for vector shifts.
7615 2006-02-20 Roger Sayle <roger@eyesopen.com>
7617 PR tree-optimization/26361
7618 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7619 of unsigned integer types.
7621 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7623 * tree-chrec.c (eq_evolutions_p): New.
7624 * tree-chrec.h (eq_evolutions_p): Declared.
7625 * tree-data-ref.c: Fix formatting.
7626 (datadep_stats, dependence_stats): New.
7628 (print_direction_vector): New.
7629 (dump_data_dependence_relation): Use print_direction_vector.
7630 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7631 (compute_subscript_distance): Static.
7632 (initialize_data_dependence_relation): Static. Get the number
7633 of loops surrounding the references from the callers, and initialize
7634 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7635 base_object_differ_p analyzers.
7636 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7637 compute_overlap_steps_for_affine_1_2,
7638 analyze_subscript_affine_affine): Count the classified dependences.
7639 Print a message when a test failed.
7640 (can_use_analyze_subscript_affine_affine): New.
7641 (analyze_siv_subscript): Compute the data dependences on symbolic
7642 scevs that verify can_use_analyze_subscript_affine_affine.
7643 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7644 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7645 Handle symbolic scevs.
7646 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7648 (subscript_dependence_tester): Moved...
7649 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7650 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7651 DDR_SIZE_VECT instead of getting it in parameter.
7652 (subscript_dependence_tester): ... here. Take as a parameter
7653 loop_nest_depth. Call build_classic_dist_vector and
7654 build_classic_dir_vector.
7655 (compute_affine_dependence): Update subscript_dependence_tester
7656 parameters. Update datadep_stats counters. Call
7657 compute_subscript_distance.
7658 (compute_self_dependence): Save the dist and dir vectors. Call
7659 compute_subscript_distance.
7660 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7661 (compute_all_dependences): Reorder parameters as they were before
7662 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7663 compute_subscript_distance. Update the use of
7664 compute_affine_dependence and initialize_data_dependence_relation.
7665 (find_data_references_in_loop): Handle COMPONENT_REF.
7666 (compute_data_dependences_for_loop): Initialize dependence_stats.
7667 Don't call build_classic_dist_vector and build_classic_dir_vector.
7668 Update the parameters of initialize_data_dependence_relation and
7669 compute_all_dependences. Print the statistics from datadep_stats.
7670 (analyze_all_data_dependences): Static. Not used until the pass for
7671 checking the data dependences is contributed.
7672 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7673 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7674 (initialize_data_dependence_relation, compute_affine_dependence,
7675 analyze_all_data_dependences, compute_subscript_distance): Removed.
7676 (print_direction_vector): New.
7677 * lambda.h (gcd): ... here.
7678 (lambda_vector_gcd): Moved here from gcd_vector.
7679 * lambda-code.c (gcd, gcd_vector): Removed.
7680 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7681 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7683 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7685 * ipa-type-escape.c: Tidy some comments and white space.
7686 * tree-ssa-operands.c: Likewise.
7688 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7691 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7692 (dump_decl_name): Do not walk the decl tree chains.
7693 * tree-pass.h (TDF_CHAIN): Remove.
7695 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7697 * Makefile.in (C): Remove
7699 (.PHONY): Remove C and PROTO
7701 2006-02-20 Roger Sayle <roger@eyesopen.com>
7704 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7705 deprecated CHAR_TYPE tree code.
7707 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7709 * configure.ac (target_list): Add install-info, dvi, html.
7710 * configure: Regenerate.
7712 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7713 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7714 treelang/Make-lang.in: Do not use double-colon rules.
7716 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7718 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7719 (TMT_USED_ALONE): New macro.
7720 * tree-pass.h (PROP_tmt_usage): New property.
7721 (TODO_update_tmt_usage): New todo.
7722 * tree-ssa-alias.c (updating_used_alone): New variable.
7723 (recalculate_used_alone): New function.
7724 (compute_may_aliases): Set updating_used_alone, call
7725 recalculate_used_alone.
7726 * tree-sra.c (pass_sra): Note that this pass destroys
7727 PROP_tmt_usage, and add TODO_update_tmt_usage.
7728 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7729 * tree-flow.h (updating_used_alone): Prototype.
7730 (recalculate_used_alone): Ditto.
7731 * passes.c (execute_todo): Add code to set updating_used_alone,
7732 and call recalculate.
7733 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7734 for clobber if used alone, and add assert to verify used_alone
7737 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7739 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7740 for non tls symbols added.
7741 (legitimize_address): Do nothing for PLUS expressions if one of the
7742 addends is a tls symbol reference.
7744 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7748 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7750 * Makefile.in (BOOTSTRAPPING): New.
7751 (quickstrap): New definition if BOOTSTRAPPING=yes.
7753 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7754 * configure.ac: Substitute all_selected_languages with the languages
7755 that were configured. For all the other variables except
7756 lang_specs_files, include all the languages in the tree.
7757 * configure: Regenerate.
7759 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7760 if there is one. Run the commands to run fixincludes in the same
7763 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7764 * doc/install.texi: Document exact conventions for searching target tools.
7765 Document --with-build-time-tools. Document toplevel bootstrap. Document
7766 something more about building an Ada cross-compiler. Don't list GNU Make
7767 requirements which affect all platforms.
7769 2006-02-19 Roger Sayle <roger@eyesopen.com>
7772 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7773 only equivalent if the have both the same mode and precision.
7775 2006-02-20 Ben Elliston <bje@au.ibm.com>
7777 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7779 2006-02-19 Roger Sayle <roger@eyesopen.com>
7780 Steven Bosscher <stevenb.gcc@gmail.com>
7782 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7783 constant pool references to identify stack mode constants.
7784 * rtlanal.c (constant_pool_constant_p): New predicate to check
7785 whether operand is a floating point constant in the pool.
7786 * rtl.h (constant_pool_constant_p): Prototype here.
7787 * loop.c (scan_loop): Avoid hoisting constants from the constant
7788 pool on STACK_REGS targets.
7789 (load_mems): Likewise.
7790 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7791 loads into x87 registers expensive in terms of register pressure.
7793 2006-02-19 Roger Sayle <roger@eyesopen.com>
7795 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7796 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7798 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7800 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7801 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7803 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7805 * doc/invoke.texi: Document -fipa-pta.
7806 * common.opt: Add ipa-pta option.
7807 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7808 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7809 (do_ds_constraint): Ditto.
7810 (get_constraint_for): Only add to referenced_vars if
7811 referenced_vars exists.
7812 (insert_into_field_list): Rewrite to do this unsorted.
7813 (insert_into_field_list_sorted): Rename old insert_into_field_list
7815 (create_function_info_for): Use insert_into_field_list_sorted.
7816 (create_variable_info_for): Rewrite so it uses unsorted version,
7817 since the field list is sorted.
7818 (intra_create_variable_infos): Only add to referenced_vars if
7819 referenced_vars exists.
7820 (ipa_pta_execute): Init heapvars, and delete when done.
7821 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7823 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7825 * doc/install.texi: Add missing `@samp'.
7827 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7829 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7832 2006-02-18 Mark Wielaard <mark@klomp.org>
7834 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7835 who added new 4.1 features, bug fixes and integration support.
7837 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7840 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7843 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7845 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7846 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7847 (copy_insn_1): Likewise. Don't copy each field individually.
7849 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7851 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7852 * rtl.c (rtx_size): Rename variable to...
7853 (rtx_code_size): ...this.
7854 (rtx_size): New function.
7855 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7856 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7858 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7859 * rtl.h (rtx_code_size): New variable.
7860 (rtx_size): Change from a variable to a function.
7861 (RTX_SIZE): Rename to...
7862 (RTX_CODE_SIZE): ...this.
7865 PR tree-optimization/17106
7866 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7867 (Anchored Addresses): New section.
7868 * doc/invoke.texi (-fsection-anchors): Document.
7869 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7870 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7871 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7872 * hooks.c (hook_bool_mode_rtx_false): New function.
7873 * hooks.h (hook_bool_mode_rtx_false): Declare.
7874 * gengtype.c (create_optional_field): New function.
7875 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7876 SYMBOL_REF_IN_BLOCK_P is true.
7877 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7878 (min_anchor_offset, max_anchor_offset): Likewise.
7879 (use_anchors_for_symbol_p): New hook.
7880 * toplev.c (compile_file): Call output_object_blocks.
7881 (target_supports_section_anchors_p): New function.
7882 (process_options): Check that -fsection-anchors is only used on
7883 targets that support it and when -funit-at-a-time is in effect.
7884 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7885 if the decl doesn't have one.
7886 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7887 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7888 of force_const_mem through use_anchored_address.
7889 (expand_expr_constant): New function.
7890 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7891 calling expand_expr for INDIRECT_REF.
7892 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7893 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7894 * expr.h (use_anchored_address): Declare.
7895 * loop-unroll.c: Don't declare rtx vectors here.
7896 * explow.c: Include output.h.
7897 (validize_mem): Call use_anchored_address.
7898 (use_anchored_address): New function.
7899 * common.opt (-fsection-anchors): New switch.
7900 * varasm.c (object_block_htab, anchor_labelno): New variables.
7901 (hash_section, object_block_entry_eq, object_block_entry_hash)
7902 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7903 (use_blocks_for_decl_p, change_symbol_section): New functions.
7904 (get_variable_section): New function, split out from assemble_variable.
7905 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7906 use_blocks_for_decl_p say so. Use change_symbol_section if the
7907 symbol has already been created.
7908 (assemble_variable_contents): New function, split out from...
7909 (assemble_variable): ...here. Don't output any code for
7910 block symbols; just pass them to place_block_symbol.
7911 Use get_variable_section and assemble_variable_contents.
7912 (get_constant_alignment, get_constant_section, get_constant_size): New
7913 functions, split from output_constant_def_contents.
7914 (build_constant_desc): Create a block symbol if use_object_blocks_p
7915 says so. Or into SYMBOL_REF_FLAGS.
7916 (assemble_constant_contents): New function, split from...
7917 (output_constant_def_contents): ...here. Don't output any code
7918 for block symbols; just pass them to place_section_symbol.
7919 Use get_constant_section and get_constant_alignment.
7920 (force_const_mem): Create a block symbol if use_object_blocks_p and
7921 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7922 (output_constant_pool_1): Add an explicit alignment argument.
7923 Don't switch sections here.
7924 (output_constant_pool): Adjust call to output_constant_pool_1.
7925 Switch sections here instead. Don't output anything for block symbols;
7926 just pass them to place_block_symbol.
7927 (init_varasm_once): Initialize object_block_htab.
7928 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7929 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7930 (place_block_symbol, get_section_anchor, output_object_block)
7931 (output_object_block_htab, output_object_blocks): New functions.
7932 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7933 (TARGET_ASM_OUT): Include it.
7934 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7935 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7936 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7937 (TARGET_INITIALIZER): Include them.
7938 * rtl.c (rtl_check_failed_block_symbol): New function.
7939 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7940 (block_symbol, object_block): New structures.
7941 (rtx_def): Add a block_symbol field to the union.
7942 (BLOCK_SYMBOL_CHECK): New macro.
7943 (rtl_check_failed_block_symbol): Declare.
7944 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7945 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7946 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7947 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7948 * output.h (output_section_symbols): Declare.
7949 (object_block): Name structure.
7950 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7951 (default_use_anchors_for_symbol_p): Declare.
7952 * Makefile.in (RTL_BASE_H): Add vec.h.
7953 (explow.o): Depend on output.h.
7954 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7955 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7956 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7957 (rs6000_use_blocks_for_constant_p): New function.
7959 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7961 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7963 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7966 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7969 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7971 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7975 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7978 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7979 instead of DECL_REGISTER.
7981 2006-02-18 Olivier Hainque <hainque@adacore.com>
7984 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7986 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7989 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7990 * opth-gen.awk: Handle Var and InverseMask together.
7991 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7992 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7993 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7994 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7996 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7997 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7998 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7999 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8000 LINUX_DYNAMIC_LINKER): Define.
8001 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8002 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8004 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8005 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8006 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8007 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8008 (TARGET_C99_FUNCTIONS): Don't define.
8009 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8010 GLIBC_DYNAMIC_LINKER.
8011 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8012 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8013 GLIBC_DYNAMIC_LINKER64): Define.
8014 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8015 LINUX_DYNAMIC_LINKER64.
8016 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8017 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8018 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8019 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8020 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8021 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8022 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8023 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8024 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8025 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8026 and LINUX_DYNAMIC_LINKER32.
8027 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8028 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8029 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8030 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8031 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8033 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8034 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8035 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8036 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8037 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8038 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8039 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8040 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8041 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8042 LINUX_DYNAMIC_LINKER): Define.
8043 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8044 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8045 GLIBC_DYNAMIC_LINKER64): Define.
8046 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8047 LINUX_DYNAMIC_LINKER64.
8048 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8049 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8050 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8051 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8052 LINUX_DYNAMIC_LINKER): Define.
8053 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8054 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8055 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8056 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8057 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8058 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8059 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8060 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8061 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8062 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8063 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8064 * doc/invoke.texi (-muclibc): Remove caveat about supported
8067 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8069 * doc/cpp.texi (__TIMESTAMP__): Document.
8071 2006-02-17 Roger Sayle <roger@eyesopen.com>
8074 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8075 C is one less than the width of X (and related transformations).
8076 * simplify-rtx.c (simplify_unary_operation_1): Transform
8077 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8078 depending on STORE_FLAG_VALUE, were C is one less then the
8081 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8083 Fix PR tree-optimization/26341
8084 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8085 about NAME_MEMORY_TAG's.
8087 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8090 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8091 with hardware float support, and software float support. Add fcpy
8092 alternative to hardware patterns. Add alternatives to copy between
8093 general and floating-point registers to the 32-bit pattern.
8094 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8095 secondary reload to load a QI or HI mode constant into a floating
8097 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8098 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8100 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8103 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8105 (load_macho_picbase_di): Likewise.
8107 2006-02-16 Jeff Law <law@redhat.com>
8109 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8110 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8111 (ssa_name_nonzero_p): Likewise.
8112 (get_value_range): Return NULL if VRP is not running.
8113 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8114 VRP routines do not discover a range.
8115 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8116 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8117 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8118 (tree_expr_nonnegative_p): Similarly.
8119 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8120 (restore_nonzero_vars_to_original_value): Remove.
8121 (unsafe_associative_fp_binop): Remove.
8122 (tree_ssa_dominator_optimize): Remove initialization and
8123 finalization of nonzero_vars and nonzero_vars_stack.
8124 (dom_opt_initialize_block): No longer push marker on
8126 (dom_opt_finalize_block): No longer call
8127 restore_nonzero_vars_to_original_value.
8128 (record_equivalences_from_phis): No longer look for
8129 nonzero PHI arguments.
8130 (cprop_into_successor_phis): No longer propagate nonzero
8131 property into PHI arguments. Lose unused argument. Caller
8133 (record_equivalences_from_stmt): No longer record nonzero
8134 values for SSA_NAMEs.
8135 (lookup_avail_expr): No longer use nonzero_vars.
8137 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8138 for sizetype when sizetype is unsigned.
8140 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8142 PR rtl-optimization/25603
8143 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8144 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8145 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8146 with new meaning of SETS.
8148 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8153 * config/linux.opt: New file.
8154 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8155 LINUX_DYNAMIC_LINKER): Define.
8156 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8157 * config.gcc (*-*-linux*): Define extra_options.
8158 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8159 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8160 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8161 GLIBC_DYNAMIC_LINKER.
8162 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8163 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8164 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8165 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8166 * doc/invoke.texi (GNU/Linux Options): New section.
8168 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8170 * config/sparc/sparc.md (setjmp): Rewrite.
8171 (setjmp_32): Delete.
8172 (setjmp_64): Likewise.
8174 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8176 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8179 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8181 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8184 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8186 PR rtl-optimization/26296
8187 * Makefile.in (loop-invariant.c): Add except.h dependency.
8188 * loop-invariant.c: Include except.h.
8189 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8191 2005-02-16 Paul Brook <paul@codesourcery.com>
8193 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8196 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8198 PR rtl-optimization/25636
8199 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8200 when deciding whether an insn is an initializing insn.
8202 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8204 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8205 (tree_code_size): Ditto.
8206 * tree.h (struct tree_memory_tag): Remove parent_var.
8207 (struct tree_struct_field_tag): New.
8210 (union tree_node): Add sft member.
8211 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8213 (create_sft): Add size and offset argument, set SFT_OFFSET and
8215 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8216 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8217 * tree-flow-inline.h (get_subvar_at): Update for
8218 SFT_OFFSET/SFT_SIZE.
8219 (var_can_have_subvars): Ditto.
8220 (overlap_subvar): Ditto.
8221 * print-tree.c (print_node): Print out interesting things for
8223 * tree-flow.h (struct subvar): Remove offset and size members.
8224 * tree-ssa-operands.c (get_expr_operands): Update for
8225 get_indirect_ref_operands changes.
8226 (get_indirect_ref_operands): Call add_virtual_operand instead of
8227 add_stmt_operand. Only recurse on base var if requested.
8228 (access_can_touch_variable): New function.
8229 (add_stmt_operand): Split virtual operand handling into ...
8230 (add_virtual_operand): Here. Add offset, size, and for_clobber
8231 arguments. Prune alias sets.
8232 (add_call_clobber_ops): Call add_virtual_operand.
8234 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8237 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8239 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8240 than TREE_CODE as index into omp_clause_num_ops array.
8242 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8244 PR rtl-optimization/26184
8245 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8247 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8248 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8249 must_precede, must_follow and tobe_scheduled.
8252 * opts.c (common_handle_option): Free new_option pointer.
8253 * df-core.c (df_analyze): Free postorder pointer.
8255 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8257 * Makefile.in: Fix the examples about the use of stamps
8259 2006-02-15 Michael Matz <matz@suse.de>
8263 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8264 influenced by maximum_field_alignment or DECL_PACKED.
8265 (update_alignment_for_field): Ditto.
8266 (place_field): Ditto.
8267 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8270 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8272 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8273 (debug_flow_info): Pass it.
8274 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8275 * bb-reorder.c (reorder_basic_blocks): Likewise.
8276 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8277 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8278 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8279 * gcse.c (gcse_main, bypass_jumps): Likewise.
8280 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8281 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8282 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8283 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8284 * rtl.h (dump_flow_info): Adjust prototype.
8285 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8286 * var-tracking.c (variable_tracking_main): Likewise.
8287 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8288 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8291 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8293 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8296 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8298 PR tree-optimization/26209
8299 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8300 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8302 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8304 2006-02-14 Roger Sayle <roger@eyesopen.com>
8307 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8308 (X,Y) and the corresponding symmetry related transformations.
8309 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8310 (X,Y) and its symmetry related transformations.
8312 2006-02-14 Roger Sayle <roger@eyesopen.com>
8314 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8317 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8319 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8321 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8324 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8325 support COMDAT group.
8326 * configure: Regenerate.
8328 2006-02-14 Roger Sayle <roger@eyesopen.com>
8333 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8335 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8337 Fix PR tree-optimization/26260
8339 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8341 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8342 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8343 * tree-ssa-structalias.c (create_variable_info_for): Use
8344 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8346 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8348 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8350 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8351 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8352 of the ending condition.
8353 * tree-ssa-loop-manip.c: Include params.h.
8354 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8355 tree_unroll_loop): New functions.
8356 * tree-pass.h (pass_loop_prefetch): Declare.
8357 * loop.c (rest_of_handle_loop_optimize): Test for
8358 -fprefetch-loop-arrays-rtl.
8359 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8360 * timevar.def (TV_TREE_PREFETCH): New timevar.
8361 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8362 pass_loop_prefetch): New.
8363 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8364 (cleanup_tree_cfg_loop): Call scev_reset.
8365 * common.opt (fprefetch-loop-arrays-rtl): Add.
8366 * tree-ssa-loop-prefetch.c: New file.
8367 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8368 (new_temp_expr_table): Initialize expr_vars.
8369 (free_temp_expr_table): Cleanup expr_vars.
8370 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8371 expressions from being merged into one.
8372 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8373 (struct tree_niter_desc): Add control, bound and cmp fields.
8374 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8376 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8377 (tree-cfgcleanup.o): Add SCEV_H dependency.
8378 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8379 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8381 2006-02-14 Richard Guenther <rguenther@suse.de>
8383 PR tree-optimization/26258
8384 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8385 in PHI argument processing.
8387 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8389 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8390 new expression in the requested machine mode.
8392 2006-02-13 Roger Sayle <roger@eyesopen.com>
8394 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8395 directly, instead let do_compare_rtx_and_jump handle this for us.
8396 * expr.c (expand_expr_real_1): Likewise.
8397 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8398 before do_jump_by_parts_greater.
8399 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8400 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8402 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8404 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8406 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8408 PR rtl-optimization/26235
8409 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8410 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8413 2006-02-13 Jeff Law <law@redhat.com>
8415 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8418 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8421 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8422 twice if decl is a builtin. When trying again, call get_callee_fndecl
8423 first to verify it is still a builtin.
8425 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8427 * dwarf2out.c (base_type_die): Don't add AT_name here.
8428 (subrange_type_die): Don't add AT_name here.
8429 (modified_type_die): Rearrange code flow. Do add AT_name here.
8431 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8433 PR rtl-optimization/26247
8434 PR rtl-optimization/26248
8435 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8437 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8439 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8440 * config/fixtfdi.c: Likewise.
8441 * config/fixunstfdi.c: Likewise.
8442 * config/floatditf.c: Likewise.
8444 2006-02-13 Roger Sayle <roger@eyesopen.com>
8447 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8448 into (X,C2) if C1 is a subset of the bits of C2. Transform
8449 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8451 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8453 2006-02-13 Josh Conner <jconner@apple.com>
8456 * varasm.c (function_section): Check for section name before
8457 calling select_section on targets that define
8458 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8459 unlikely_text_section instead of hot_function_section if
8460 first_function_block_is_cold.
8462 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8465 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8467 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8469 PR rtl-optimization/26222
8470 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8471 after tree->rtl expansion.
8472 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8473 before passing it to emit_move_insn.
8475 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8477 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8479 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8480 Clarify documentation.
8481 * c-common.h (warn_write_strings): Remove.
8482 * c-common.c (warn_write_strings): Likewise.
8483 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8486 2006-02-12 Roger Sayle <roger@eyesopen.com>
8489 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8490 (do_jump_parts_zero_rtx): New function renamed from
8491 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8492 (do_jump_parts_equality_rtx): New function split out from
8493 do_jump_parts_equality. Old implementation renamed as above.
8494 Call do_jump_parts_zero_rtx if either operand is zero.
8495 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8496 do all of the heavy lifting.
8497 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8498 calling either do_jump_by_parts_greater_rtx or
8499 do_jump_by_parts_equality_rtx.
8500 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8501 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8502 moved to do_compare_rtx_and_jump, call it directly.
8503 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8504 mode argument. Call do_compare_rtx_and_jump.
8505 (emit_case_nodes): Update calls to do_jump_if_equal.
8507 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8509 PR rtl-optimization/26225
8510 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8512 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8514 PR rtl-optimization/26232
8515 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8517 2006-02-11 Jason Merrill <jason@redhat.com>
8520 * tree-inline.c (declare_return_variable): Just don't use the
8521 modify target if it's a gimple complex reg and the return slot
8524 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8526 * doc/contrib.texi: Update my entry.
8528 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8530 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8532 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8534 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8537 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8539 * doc/invoke.texi (-floop-optimize2): Removed.
8540 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8541 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8542 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8543 * common.opt (floop-optimize2): Removed.
8544 (fmove-loop-invariants): Enabled by default.
8546 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8548 * tree-if-conv.c (combine_blocks): Free the result of
8549 get_loop_exit_edges.
8551 2006-02-10 Jeff Law <law@redhat.com>
8553 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8555 PR tree-optimization/26213
8556 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8557 loop trying to follow SSA_NAME_VALUE chains.
8559 2006-02-10 Richard Guenther <rguenther@suse.de>
8561 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8562 deal with structures that end in implicitly variable sized arrays.
8564 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8566 PR rtl-optimization/24762
8567 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8570 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8572 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8573 (struct ivopts_data): Add regs_used field.
8574 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8575 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8576 instead of loop_data->regs_used;
8577 (free_loop_data): Do not free aux fields for loops.
8578 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8579 and tree_ssa_iv_optimize_finalize.
8581 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8583 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8585 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8588 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8589 computing the effective result type.
8591 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8594 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8595 (tree_overlaps_hard_reg_set): Declare.
8596 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8597 type and signature to match function type expected by walk_tree.
8598 (tree_overlaps_hard_reg_set): New function.
8599 (decl_conflicts_with_clobbers_p): Rename to:
8600 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8601 Use tree_overlaps_hard_reg_set. Changed caller.
8602 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8603 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8604 * cris.c (cris_md_asm_clobbers): Likewise.
8606 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8608 * reload1.c (emit_input_reload_insns): Delete code that tries to
8609 inherit using find_equiv_reg.
8611 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8613 * c-common.h (flag_const_strings): Don't declare.
8614 * c-common.c (flag_const_strings): Remove.
8615 * c.opt (fconst_strings): Remove.
8616 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8617 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8618 (c_common_init_options): Don't set flag_const_strings.
8619 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8621 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8623 * arm.md (tlobits_cbranch): New pattern.
8624 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8625 testing a single bit.
8627 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8630 * tree-ssa-pre.c (create_component_ref_by_pieces):
8631 Handle RETURN_DECL like VAR_DECL.
8633 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8636 * fold-const.c (fold_indirect_ref_1): Fold
8637 "*(foo *)&complexfoo" to "__real__ complexfoo"
8638 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8640 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8642 * tree-flow-inline.h (var_can_have_subvars):
8643 Volatile variables should not have subvariables.
8645 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8648 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8649 multiplying unsigned values.
8652 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8654 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8656 2006-02-08 Jason Merrill <jason@redhat.com>
8659 * tree.def: Elaborate on difference from MODIFY_EXPR.
8660 * doc/c-tree.texi (INIT_EXPR): Likewise.
8661 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8662 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8663 (gimplify_target_expr): Likewise.
8664 (gimplify_cond_expr): Remove target handling.
8665 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8666 (gimplify_expr): Clobber it here.
8667 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8668 Do return slot optimization if we have an INIT_EXPR.
8671 * tree-inline.c (declare_return_variable): Also clear
8672 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8675 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8678 * gimplify.c (gimplify_one_sizepos): Fix typo.
8680 2006-02-08 Jeff Law <law@redhat.com>
8682 PR tree-optimization/21417
8683 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8684 across a backedge if the control statement at the end of the
8685 block is data dependent on other statements in the same block.
8686 (record_temporary_equivalences_from_stmts): Remove over-conservative
8687 test for threading across backedges.
8689 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8690 control statement, handle all three special cases in the same
8691 manner as they all have the same desired solution. No longer
8692 special case edge flag updating when the post dominator is
8695 2006-02-08 Roger Sayle <roger@eyesopen.com>
8697 * tree.def (CHAR_TYPE): Remove.
8698 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8699 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8700 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8701 (gen_string_type_die): Delete unreachable function.
8703 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8704 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8705 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8706 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8707 * builtins.c (type_to_class): Likewise.
8708 * fold-const.c (fold_convert, build_range_check,
8709 merge_ranges): Likewise.
8710 * expr.c (count_type_elements): Likewise.
8711 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8712 * stor-layout.c (layout_type): Likewise.
8713 * ipa-type-escape.c (type_to_consider): Likewise.
8714 * gimplify.c (omp_firstprivatize_type_sizes,
8715 gimplify_type_sizes): Likewise.
8716 * explow.c (promote_mode): Likewise.
8717 * tree-sra.c (is_sra_scalar_type): Likewise.
8718 * varasm.c (output_constant): Likewise.
8719 * tree-inline.c (remap_type_1): Likewise.
8720 * convert.c (convert_to_pointer, convert_to_real,
8721 convert_to_integer, convert_to_complex): Likewise.
8723 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8725 * df-scan.c (df_def_record_1): A set destination may
8726 be a parallel regardless of mode.
8728 2006-02-08 Roger Sayle <roger@eyesopen.com>
8731 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8732 * config/mips/_tilib.c: Remove.
8733 * config/fixtfdi.c: New libgcc source file.
8734 * config/fixunstfdi.c: New source file.
8735 * config/floatditf.c: New source file.
8736 * config/floatunditf.c: New souce file.
8737 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8738 files above instead of config/mips/_tilib.c.
8739 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8741 2006-02-08 Jeff Law <law@redhat.com>
8743 PR tree-optimization/26169
8744 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8747 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8749 * df.h (DF_REG_SIZE): Return the length of the initialized
8752 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8754 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8755 __muldf3): Return a correctly signed zero.
8757 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8759 * passes.c (register_one_dump_file): Accept the current properties
8760 instead of pass number. Adjust call to dump_register. Remove
8762 (register_dump_files): Now a wrapper around...
8763 (register_dump_files_1): ... this one. Do not modify the pass
8765 (next_pass_1): Cosmetic fix.
8766 (execute_todo): Keep second parameter only. Use curr_properties
8767 instead of fetching it from the pass structure. Check and set
8769 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8770 instead of fetching it from the pass structure. Fix calls to
8771 execute_todo. Update curr_properties and initialize .vcg RTL dump
8772 after running the pass. Reset last_verified.
8773 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8775 (FIRST_AUTO_NUMBERED_DUMP): New.
8776 (dump_register): Remove "num" parameter, assign it within the
8778 (get_dump_file_name): Modify template for dumps.
8779 * tree-dump.h (dump_register): Adjust prototype.
8780 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8781 (PROP_trees): Add PROP_gimple_lomp.
8782 (TODO_set_props): New.
8783 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8784 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8785 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8787 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8789 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8790 (sparc64-*-linux*): Likewise.
8791 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8792 * config/sparc/t-linux: New file.
8793 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8794 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8795 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8796 -m32 -mlong-double-128.
8798 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8799 * config/alpha/t-linux: New file.
8800 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8802 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8803 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8804 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8805 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8806 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8807 (CPP_ARCH32_SPEC): Remove.
8809 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8811 PR tree-optimization/26145
8812 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8815 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8818 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8819 >= 240000 when generating code for SOM runtime.
8820 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8821 to $$dyncall when generating code for SOM runtime..
8823 2006-02-07 Dirk Mueller <dmueller@suse.com>
8826 * doc/invoke.texi (-Wsequence-point): Update documentation
8827 that -Wsequence-point is implemented for C++ as well.
8829 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8831 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8832 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8833 (LIB_SPEC): Likewise.
8834 * doc/invoke.texi (SPARC options): Document -pthread.
8836 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8838 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8841 2006-02-07 Roger Sayle <roger@eyesopen.com>
8843 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8844 Correct comment describing BOOLEAN_TYPE.
8846 2006-02-07 Dirk Mueller <dmueller@suse.com>
8848 * c.opt: C++ frontend supports -Wdiv-by-zero.
8849 * c-opts.c (c_common_handle_option): Remove dead case.
8851 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8853 * configure.ac (TLS assembler check): Do not enable TLS by
8854 default on SPARC/Solaris before version 10.
8855 * configure: Regenerate.
8857 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8859 * doc/invoke.texi (xl-compat): Document conversion and support
8862 2006-02-07 Jeff Law <law@redhat.com>
8864 * tree-vrp.c (find_conditional_asserts): Update comments.
8865 (simplify_stmt_for_jump_threading): New.
8866 (identify_jump_threads, finalize_jump_threads): New.
8867 (vrp_finalize): Call identify_jump_threads.
8868 (execute_vrp): Call finalize_jump_threads.
8869 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8870 (vrp_element, vrp_data, vrp_element_p): Remove.
8871 (vrp_hash_elt, vrp_variables_stack): Remove.
8872 (vrp_hash, vrp_eq, record_range): Remove.
8873 (simplify_cond_and_lookup_avail_expr): Remove.
8874 (extract_range_from_cond): Remove.
8875 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8876 (simplify_stmt_for_jump_threading): New.
8877 (dom_thread_across_edge): New wrapper.
8878 (tree_ssa_dominator_optimize): No longer initialize or
8879 finalize any of the VRP datastructures. Remove iteration
8880 step and simplify as a result of removal of iteration step.
8881 (pass_dominator): Perform a cfg cleanup after DOM.
8882 (dom_opt_finalize_block): Use the new common routines
8883 for threading jumps. Simplify stack management slightly.
8884 No longer need to unwind VRP state.
8885 (record_equivalences_from_incoming_edge): No longer record
8887 (eliminate_redundant_computations): No longer call
8888 simplify_cond_and_lookup_avail_expr.
8889 * tree-flow.h (potentially_threadable_block): Prototype.
8890 (thread_across_edge): Likewise.
8891 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8892 (tree-ssa-threadedge.o): Add dependencies.
8893 * tree-ssa-threadedge.c: New file.
8894 * passes.c (init_optimization_passes): Merge PHIs before
8895 calling VRP. Run VRP again late in the SSA optimization pipeline.
8897 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8899 * df-core.c (df_set_blocks): Do not dereference function pointers.
8900 (df_finish1): Likewise.
8901 (df_hybrid_search_forward): Likewise.
8902 (df_hybrid_search_backward): Likewise.
8903 (df_iterative_dataflow): Likewise.
8904 (df_analyze_problem): Likewise.
8905 (df_compact_blocks): Likewise.
8906 (df_dump): Likewise.
8907 * df-scan.c (df_rescan_blocks): Likewise.
8908 (df_record_entry_block_defs): Likewise.
8910 * genconditions.c (write_conditions): Guard the definition of
8911 'insn_conditions' with the check on GCC version.
8912 (write_writer): Guard the traversal 'insn_conditions' with
8913 the check on GCC version.
8915 2006-02-07 Richard Guenther <rguenther@suse.de>
8919 2006-01-30 Richard Guenther <rguenther@suse.de>
8921 * gimplify.c (gimplify_target_expr): Handle easy cases
8922 without creating a temporary.
8924 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8926 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8927 use of float in probability computations. Use edge probabilities
8928 in place of statically computed probabilities.
8929 (min_spec_prob): New static variable.
8930 (schedule_insns): Initialize it.
8931 (GET_SRC_PROB): Removed.
8932 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8934 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8937 * config/ia64/unwind-ia64.c: Revert last change.
8938 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8939 (INCOMING_FRAME_SP_OFFSET): Define.
8941 2006-02-06 Roger Sayle <roger@eyesopen.com>
8943 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8945 2006-02-07 Ben Elliston <bje@au.ibm.com>
8947 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8948 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8949 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8950 (ix86_return_in_memory): Handle TDmode.
8951 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8952 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8954 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8956 * reorg.c (dbr_schedule): Use dump_file instead of file.
8958 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8961 * config/ia64/predicates.md (extr_len_operand): New predicate.
8962 * config/ia64/ia64.md (extv): Tighten constraints.
8964 (*tbit_and_2): Ditto.
8965 (*tbit_and_3): Ditto.
8966 (*tbit_or_2): Ditto.
8967 (*tbit_or_3): Ditto.
8971 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8974 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8976 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8978 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8979 loop_optimizer_init and loop_optimizer_finalize
8980 * tree-ssa-sink.c (execute_sink_code): Ditto.
8981 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8982 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8983 tree_ssa_loop_done): Ditto.
8984 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8985 * sched-ebb.c: Include output.h.
8986 (schedule_ebbs): Do not use dump argument.
8987 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8988 * loop.c (loop_dump_stream): Removed.
8989 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8991 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8992 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8993 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8994 loop_iterations, strength_reduce, record_biv, record_giv,
8995 final_giv_value, check_final_value, check_ext_dependent_givs,
8996 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8997 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8998 dump_file instead of loop_dump_stream.
8999 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9001 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9003 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9004 * haifa-sched.c: Include output.h
9005 (schedule_insns, sched_init): Do not use dump argument.
9006 * mode-switching.c (optimize_mode_switching): Ditto.
9007 * modulo-sched.c (stats_file): Removed.
9008 (print_node_sched_params): Do not call argument dump_file.
9009 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9010 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9012 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9014 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9015 rtl_loop_init, rtl_loop_done): Ditto.
9016 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9017 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9019 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9020 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9021 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9022 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9023 * emit-rtl.c (renumber_insns): Ditto.
9024 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9025 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9026 * regclass.c (regclass): Ditto.
9027 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9028 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9029 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9030 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9032 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9033 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9035 * gcse.c (gcse_file, debug_stderr): Removed.
9036 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9037 rest_of_handle_gcse): Do not use dump argument.
9038 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9039 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9040 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9041 compute_code_hoist_vbeinout, compute_code_hoist_data,
9042 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9043 compute_store_table, build_store_vectors, insert_insn_start_bb,
9044 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9045 store_motion): Use dump_file instead of gcse_file.
9046 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9047 * profile.c (profile_dump_file): Removed.
9048 (branch_prob): Use dump_file instead of profile_dump_file.
9049 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9051 * tree-ssa-copy.c (dump_copy_of): Ditto.
9052 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9053 dump file to life_analysis.
9054 * bt-load.c (branch_target_load_optimize): Ditto.
9055 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9057 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9058 regclass, dbr_schedule): Declaration changed.
9059 * sched-int.h (sched_init): Declaration changed.
9060 * tree-profile.c (tree_profile_dump_file): Removed.
9061 (tree_profile_hooks): Removed profile_dump_file hook.
9062 * rtl-profile (rtl_profile_dump_file): Removed.
9063 (rtl_profile_hooks): emoved profile_dump_file hook.
9064 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9066 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9067 * tree-cfg.c (build_tree_cfg): Ditto.
9068 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9069 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9070 Declaration changed.
9071 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9072 life_analysis and schedule_insns.
9073 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9075 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9077 * config/mips/mips.c (mips_reorg): Ditto.
9078 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9081 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9083 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9084 (s390_mangle_fundamental_type): New.
9085 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9088 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9089 (alpha_mangle_fundamental_type): New.
9090 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9093 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9095 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9097 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9098 (sparc_mangle_fundamental_type): New.
9100 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9102 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9103 (s390x-*-linux*): Likewise.
9104 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9105 * config/s390/t-linux: New file.
9107 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9109 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9110 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9112 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9114 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9115 (ANTIC_SAFE_LOADS): New macro.
9116 (find_or_generate_expression): Add prototype.
9117 (set_contains_value): Allow null set for sake of not always having
9118 to allocate ANTIC_SAFE_LOADS.
9119 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9120 Allow COMPONENT_REF too.
9121 (valid_in_set): Allow COMPONENT_REF.
9122 Check ANTIC_SAFE_LOADS too.
9123 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9124 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9126 (can_PRE_operation): Add COMPONENT_REF.
9127 (create_component_ref_by_pieces): New function.
9128 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9129 (insert_aux): Move AGGREGATE_TYPE_P check here.
9130 (compute_avail): Set bb local stmt uids.
9131 (pass_pre): Use TODO_update_ssa_only_virtuals.
9133 2006-02-06 Ben Elliston <bje@au.ibm.com>
9135 * configure.ac: Unconditionally disable decimal float by default.
9136 * configure: Regenerate.
9138 2006-02-06 Ben Elliston <bje@au.ibm.com>
9140 * read-rtl.c (read_name): Terminate reading on EOF.
9142 2006-02-06 Ben Elliston <bje@au.ibm.com>
9144 * dfp.c (decimal_real_arithmetic): Change second argument type
9145 from int to enum tree_code. Do not always return true, but now
9146 return result of any call to decimal_do helper functions.
9147 * dfp.h (decimal_real_arithmetic): Update prototype.
9149 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9151 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9153 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9156 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9159 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9161 * tree-vrp.c (cfg_loops): Removed.
9162 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9163 Use current_loops instead of cfg_loops. Pass flags to
9164 loop_optimizer_init.
9165 * cfgloopmanip.c (fix_loop_structure): Update only available
9167 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9168 loop_optimizer_init.
9169 * modulo-sched.c (build_loops_structure): Removed.
9170 (sms_schedule): Use loop_optimizer_init.
9171 * loop-init.c (loop_optimizer_init): Use flags to determine
9172 which properties of loops to prepare.
9173 (rtl_loop_init): Pass flags to loop_optimizer_init.
9174 * tree-ssa-sink.c (execute_sink_code): Ditto.
9175 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9176 * tree-ssa-pre.c (init_pre): Ditto.
9177 * cfgloop.h (LOOPS_NORMAL): New.
9178 (loop_optimizer_init): Declaration changed.
9180 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9182 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9183 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9185 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9187 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9189 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9190 * pa/t-pa64: Delete quadlib.c rule.
9191 * pa/x-ada: Revert last change.
9192 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9194 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9196 PR rtl-optimization/26087
9197 * rtlanal.c (canonicalize_condition): Do not cross basic block
9200 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9203 * config/ia64/ia64.c: Include debug.h.
9204 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9205 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9206 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9207 (process_epilogue, process_set, process_for_unwind_directive):
9208 Output unwind info only if requested. Add CFA info if requested.
9209 Add new arguments as needed. Adjust callers.
9210 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9212 (DWARF2_FRAME_INFO): Define to zero.
9213 * config/ia64/unwind-ia64.c: Remove code that compensated for
9214 the CFA offset error fixed above.
9215 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9216 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9217 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9218 -funwind-tables and -fexceptions to enable frame info.
9219 (dwarf2out_frame_init): Define initial CFA even if
9220 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9221 DWARF2_UNWIND_INFO is nonzero, not just defined.
9222 (dwarf2out_frame_finish): Output non-EH call frame info only
9223 if DWARF2_FRAME_INFO is nonzero.
9224 (convert_cfa_to_loc_list,
9225 compute_frame_pointer_to_cfa_displacement): Define even if
9226 unwind info is not supported.
9227 (gen_subprogram_die): Use the above unconditionally. Remove
9228 legacy alternate code.
9229 * toplev.c (compile_file): Compile in call to
9230 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9231 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9233 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9234 Jakub Jelinek <jakub@redhat.com>
9236 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9237 IBM extended float format long double as "g" on powerpc*-linux.
9239 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9242 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9243 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9245 2006-02-03 Jason Merrill <jason@redhat.com>
9248 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9251 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9252 on the return slot if it's an NRV.
9254 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9256 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9257 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9258 rewrite_use): Do not handle USE_OUTER.
9259 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9260 add_iv_outer_candidates, may_replace_final_value,
9261 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9262 (find_interesting_uses_op): Functionality of
9263 find_interesting_uses_outer_or_nonlin moved here.
9264 (find_interesting_uses_outside): Use find_interesting_uses_op.
9266 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9269 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9271 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9272 Ulrich Weigand <uweigand@de.ibm.com>
9275 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9276 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9277 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9278 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9280 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9281 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9282 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9283 Define secondary reloads for TFmode moves.
9284 (constant_modes): Add TFmode.
9285 (NR_C_MODES): Set to 8.
9286 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9288 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9289 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9290 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9291 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9292 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9293 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9294 (FPR mode macro): Add TFmode.
9295 (DSF mode macro): New.
9296 (<de>, <dee> mode attributes): Removed.
9297 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9298 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9299 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9300 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9301 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9302 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9303 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9304 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9305 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9306 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9307 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9308 "*negabs<mode>2", "sqrt<mode>2"):
9309 Changed <de> to <xde>. R constraint replaced by <Rf>.
9310 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9312 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9313 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9314 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9316 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9317 "extenddftf2", "extendsftf2"): New expanders.
9318 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9319 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9320 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9321 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9323 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9324 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9325 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9326 __floatditf): Add a GCC_4.1.0 symbol version tag.
9327 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9330 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9333 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9334 Use targetm.binds_local_p instead of TREE_PUBLIC.
9336 2006-02-02 Roger Sayle <roger@eyesopen.com>
9338 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9339 on INTEGER_TYPEs to indicate that it denotes a character type.
9340 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9341 signed_char_type_node, unsigned_char_type_node and char_type_node.
9342 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9343 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9344 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9346 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9347 Daniel Berlin <dberlin@dberlin.org>
9349 * tree-tailcall.c (arg_needs_copy_p): New function.
9350 (eliminate_tail_call): Use arg_needs_copy_p.
9351 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9352 (add_virtual_phis): New function.
9354 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9356 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9357 #ignore instead of #scratch for %g7 .register directive.
9359 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9361 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9364 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9366 * flow.c (calculate_global_regs_live): Assert that there aren't any
9369 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9371 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9373 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9374 bsi_after_labels iterator.
9375 * tree-if-conv.c (find_phi_replacement_condition,
9376 replace_phi_with_cond_modify_expr): Likewise.
9377 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9378 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9380 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9382 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9384 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9387 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9388 array after growing it.
9390 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9393 * fold-const.c (fold_checksum_tree): Change type of buf.
9395 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9397 * reload.c (push_secondary_reload): Initialize t_icode.
9399 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9401 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9402 -msoft-float -mlong-double-128 only issue a warning, but don't
9403 swich to DFmode long double.
9405 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9407 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9408 has a constant equivalent, iterate over equivalents for arg0,
9409 calling simplify_relational_operation and if there's a result
9410 cheaper than X, apply fold_rtx and return the result.
9412 2006-02-01 Jan Hubicka <jh@suse.cz>
9414 * opts.c (no_unit_at_a_time_default): New global variable.
9415 (decode_options): Use it.
9416 * opts.h (no_unit_at_a_time_default): Declare.
9418 2006-02-01 Paul Brook <paul@codesourcery.com>
9420 * function.c (assign_parm_setup_reg): Use function argument promotion
9422 * expr.c (expand_expr_real_1): Use function argument promotion rules
9425 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9427 * gcc.c (process_command): Change j to 'unsigned int'.
9429 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9432 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9433 Use the corrected index for the character
9434 out of the string constant.
9436 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9438 * mode-switching.c (optimize_mode_switching): Fix size
9439 allocated for bb_info[n_entities].
9441 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9443 * gcc.c (main): Correct type that is allocated for
9444 explicit_link_files.
9446 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9448 * config/s390/s390.c (init_alignment_context): Set
9449 ALIAS_SET_MEMORY_BARRIER on the MEM.
9450 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9452 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9455 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9457 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9460 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9462 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9463 * regrename.c: Ditto.
9464 * tree-ssa-loop-im.c: Ditto.
9465 * tree-dump.c: Ditto.
9466 * tree-complex.c: Ditto.
9467 * genrecog.c: Ditto.
9468 * tree-ssa-threadupdate.c: Ditto.
9470 * java/class.c: Ditto.
9471 * java/jcf-parse.c: Ditto.
9472 * java/resource.c: Ditto.
9473 * java/except.c: Ditto.
9474 * java/jvspec.c: Ditto.
9475 * java/jcf-write.c: Ditto.
9476 * java/jcf-path.c: Ditto.
9477 * java/gjavah.c: Ditto.
9478 * java/zextract.c: Ditto.
9479 * java/jcf-io.c: Ditto.
9480 * java/jcf.h: Ditto.
9481 * java/buffer.c: Ditto.
9482 * java/lang.c: Ditto.
9483 * java/parse-scan.y: Ditto.
9484 * java/lex.c: Ditto.
9485 * java/lex.h: Ditto.
9486 * cfgloopmanip.c: Ditto.
9487 * postreload-gcse.c: Ditto.
9488 * tree-ssa-loop-manip.c: Ditto.
9489 * postreload.c: Ditto.
9490 * tree-ssa-loop-ch.c: Ditto.
9494 * diagnostic.c: Ditto.
9496 * genoutput.c: Ditto.
9498 * cfghooks.c: Ditto.
9499 * cfgloopanal.c: Ditto.
9500 * objc/objc-act.c: Ditto.
9502 * genextract.c: Ditto.
9503 * genautomata.c: Ditto.
9504 * pretty-print.c: Ditto.
9506 * cgraphunit.c: Ditto.
9509 * haifa-sched.c: Ditto.
9510 * dominance.c: Ditto.
9512 * tree-ssa-loop-ivopts.c: Ditto.
9514 * mode-switching.c: Ditto.
9515 * modulo-sched.c: Ditto.
9517 * ipa-pure-const.c: Ditto.
9519 * fix-header.c: Ditto.
9521 * tree-stdarg.c: Ditto.
9522 * ipa-utils.c: Ditto.
9523 * loop-init.c: Ditto.
9524 * ipa-inline.c: Ditto.
9527 * alloc-pool.c: Ditto.
9528 * dwarf2out.c: Ditto.
9530 * genattrtab.c: Ditto.
9531 * tree-ssa-loop-ivcanon.c: Ditto.
9535 * fortran/gfortranspec.c: Ditto.
9537 * local-alloc.c: Ditto.
9538 * langhooks.c: Ditto.
9539 * function.c: Ditto.
9540 * tree-vectorizer.c: Ditto.
9542 * ipa-type-escape.c: Ditto.
9544 * tree-if-conv.c: Ditto.
9547 * tree-data-ref.c: Ditto.
9548 * loop-unroll.c: Ditto.
9549 * treelang/treetree.c: Ditto.
9552 * ggc-common.c: Ditto.
9554 * coverage.c: Ditto.
9556 * tree-cfgcleanup.c: Ditto.
9557 * tree-ssa-pre.c: Ditto.
9558 * cfgcleanup.c: Ditto.
9559 * loop-invariant.c: Ditto.
9561 * ipa-prop.c: Ditto.
9562 * print-tree.c: Ditto.
9563 * conflict.c: Ditto.
9564 * ggc-page.c: Ditto.
9565 * sched-deps.c: Ditto.
9566 * regclass.c: Ditto.
9567 * tree-object-size.c: Ditto.
9569 * bb-reorder.c: Ditto.
9570 * resource.c: Ditto.
9571 * var-tracking.c: Ditto.
9573 * df-problems.c: Ditto.
9574 * reg-stack.c: Ditto.
9577 * sched-rgn.c: Ditto.
9578 * tree-ssa-structalias.c: Ditto.
9579 * tree-ssa-reassoc.c: Ditto.
9580 * config/darwin-c.c: Ditto.
9581 * config/darwin.c: Ditto.
9582 * config/arm/arm.c: Ditto.
9584 * collect2.c: Ditto.
9587 2006-01-31 Nicolas Pitre <nico@cam.org>
9589 * arm.md (smaxsi3): Make aware of smax_m1.
9592 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9594 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9596 2006-01-31 Richard Guenther <rguenther@suse.de>
9598 * doc/invoke.texi (-msselibm): Document.
9599 * target.h (expand_library_builtin): New target hook.
9600 * builtins.c (expand_builtin): Use expand_library_builtin.
9601 (default_expand_library_builtin): New function.
9602 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9603 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9604 (link_gcc_math_spec): Declare.
9605 (static_specs): Add link_gcc_math_spec.
9606 * expr.h (default_expand_library_builtin): Declare.
9607 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9608 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9609 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9610 * config/i386/i386.opt (msselibm): New target option.
9611 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9612 (ix86_init_sse_abi_builtins): New function.
9613 (ix86_expand_library_builtin): Likewise.
9614 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9615 (override_options): Handle error conditions wrt -msselibm.
9616 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9617 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9618 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9621 2006-01-31 Richard Guenther <rguenther@suse.de>
9622 Paolo Bonzini <bonzini@gnu.org>
9624 * doc/install.texi (--disable-libgcc-math): Document.
9626 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9628 * expr.h (expand_normal): new inline function.
9629 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9631 * dwarf2out.c: use it.
9636 * config/sparc/sparc.c: use it.
9637 * config/i386/i386.c: use it.
9638 * config/rs6000/rs6000.c: use it.
9639 * config/arm/arm.c: use it.
9640 * config/mips/mips.c: use it.
9641 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9643 2006-01-30 Roger Sayle <roger@eyesopen.com>
9645 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9646 argv to the appropriate type.
9648 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9650 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9653 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9656 * config/s390/s390.c (struct machine_function): New flag
9657 decomposed_literal_pool_addresses_ok_p.
9658 (s390_reorg): Set it before final stage of literal pool transforms.
9659 (s390_decompose_address): Only accept displacements of the form
9660 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9662 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9664 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9665 the comparison routine return.
9667 2006-01-30 Michael Matz <matz@suse.de>
9669 * global.c (find_reg): Only evict for global regs.
9670 Take n_refs into account and dump more info.
9672 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9675 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9676 (pragma_trap, pragma_nosave_low_regs): Likewise.
9677 (current_function_anonymous_args): Likewise.
9678 (sh_deferred_function_attributes): New variable.
9679 (sh_deferred_function_attributes_tail): Likewise.
9680 (print_operand): For '@', look up trap_exit attribute.
9681 (calc_live_regs): Look up trapa_handler attribute. For trapa
9682 handlers, save/restore fpscr, but don't do any other
9683 interrupt-specific saves.
9684 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9685 Fix check for partially saved registers to check for SHmedia.
9686 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9687 (sh_output_function_epilogue): Don't clear any of the removed
9689 (sh_insert_attributes): Don't check pragma_interrupt.
9690 Insert deferred attributes. Check that interrupt attribute is
9691 present for other attributes that require its presence.
9692 (sh_attribute_table): Add new attributes trapa_handler and
9694 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9695 Don't check for pragma_interrupt. Don't store argument.
9696 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9697 (sh_deferred_function_attributes): Declare.
9698 (sh_deferred_function_attributes_tail): Likewise.
9699 * sh.md (sp_switch_1): Add operand. Change generator caller.
9700 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9701 (*return_i): Don't use when trap_exit attribute is in effect.
9702 (*return_trapa): New insn pattern.
9704 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9705 setting c_target_objs and cxx_target_objs.
9706 * t-sh: Add rule for sh-c.o.
9708 2006-01-30 Richard Guenther <rguenther@suse.de>
9711 * gimplify.c (gimplify_target_expr): Handle easy cases
9712 without creating a temporary.
9714 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9716 * vec.h (safe_grow): Remove duplicated line.
9718 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9721 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9722 (expand_omp): ... here.
9723 (expand_omp_parallel): Only remove barriers for combined
9724 parallel+workshare constructs.
9726 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9730 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9731 * tree.c (build_qualified_type): Chain the new type to the original
9732 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9733 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9734 (build_pointer_type_for_mode): Only return unqualified types.
9735 (build_reference_type_for_mode): Likewise.
9737 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9739 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9740 * Makefile.in (CXX_COMPAT_WARN): Define.
9741 * configure: Regenerate.
9743 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9746 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9749 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9751 * toplev.c: Fix thinko.
9753 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9754 Marcin Dalecki <martin@dalecki.de>
9756 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9757 (push_srcloc): Use XNEW.
9758 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9760 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9762 * df-core.c (df_set_blocks): Deleted all variable.
9764 2006-01-28 Ian Lance Taylor <ian@airs.com>
9766 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9767 cgraph_output_pending_asms.
9769 2006-01-28 Zack Weinberg <zackw@panix.com>
9771 * c.opt: Add -W(no-)overlength-strings.
9772 * doc/invoke.texi: Document it.
9773 * c-opts.c (c_common_handle_option): -pedantic implies
9774 -Woverlength-strings, if not explicitly disabled already.
9775 (c_common_post_options): -Woverlength-strings defaults to off, and
9776 is always off for C++.
9777 * c-common.c (fix_string_type): Issue warning about strings longer
9778 than is portable only if warn_overlength_strings. Rearrange code
9779 a little for clarity.
9780 * configure.in: Check for -Wno-overlength-strings as well before
9781 enabling -pedantic in stage 1.
9782 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9783 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9785 * genconditions.c (write_header, write_one_condition)
9786 (write_conditions, write_writer): Consolidate very long strings
9787 that were broken up to fit in C89 portable limit. Don't use
9788 printf when fputs will do.
9790 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9792 * combine.c (simplify_comparison <AND>): Check
9793 TRULY_NOOP_TRUNCATION before start using a subreg.
9795 * config/mips/mips.md (*branch_zero<mode>,
9796 *branch_zero<mode>_inverted, *branch_equality<mode>,
9797 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9798 Remove mode check from comparisons.
9800 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9802 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9804 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9806 * expmed.c (const_mult_add_overflow_p): Remove.
9807 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9809 * recog.c (validate_replace_rtx_subexp): Remove.
9810 * recog.h: Remove the prototype for
9811 validate_replace_rtx_subexp.
9813 * integrate.h: Remove the prototype for
9814 copy_decl_for_inlining.
9815 * rtl.h: Remove the prototype for mark_constant_function.
9816 * tree-vectorizer.h: Remove the prototype for
9817 vect_strip_conversion.
9819 * modulo-sched.c (create_partial_schedule,
9820 free_partial_schedule, reset_partial_schedule): Make them
9823 * hooks.c (hook_bool_rtx_int_false): Remove.
9824 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9826 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9828 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9829 and -mlong-double-128 are incompatible.
9830 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9831 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9832 (TARGET_LIBGCC2_CFLAGS): Define.
9833 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9834 (TARGET_LIBGCC2_CFLAGS): Same.
9835 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9837 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9840 * c-typeck.c (build_binary_op): Perform implicit casts of
9841 operands before shortening them.
9843 * cfgloopmanip.c (split_loop_bb): Remove.
9844 * cfgloop.h: Remove the prototype for split_loop_bb.
9846 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9847 * cfgloop.h: Remove the prototype for
9848 flow_loop_outside_edge_p.
9850 * emit-rtl.c (init_virtual_regs): Make it static.
9851 * function.h: Remove the prototype for init_virtual_regs.
9853 * recog.c (peephole2_optimize): Make it static.
9854 * recog.h: Remove the prototype for peephole2_optimize.
9856 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9858 * df-scan.c (df_record_entry_block_defs): Check if
9859 INCOMING_RETURN_ADDR_RTX is defined.
9861 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9862 Kenneth Zadeck <zadeck@naturalbridge.com>
9864 PR rtl-optimization/24762
9865 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9866 * targhooks.c (hook_void_bitmap): New hook prototype.
9867 * targhoohs.h (hook_void_bitmap): Ditto.
9868 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9869 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9870 * target.h (live_on_entry): New function pointer.
9871 * df-scan.c (df_all_hard_regs): Removed.
9872 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9873 (df_scan_free_internal): Added df->entry_block_defs.
9874 (df_scan_alloc): Ditto.
9875 (df_scan_dump): Ditto.
9876 (df_uses_record): Plumbed flag field properly thru calls.
9877 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9878 This part fixes PR24762.
9879 (df_bb_refs_record): Added code to make the frame and arg
9880 pointers live in EH blocks.
9881 (df_refs_record): Added call to df_record_entry_block_defs.
9882 (df_record_entry_block_defs): New function.
9883 * df-core.c: Added comments to describe new artifical defs.
9884 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9885 (entry_block_defs): New field in struct df.
9886 (df_all_hard_regs): Deleted.
9887 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9888 * df-problems.c (df_ru_bb_local_compute_process_def):
9889 Added code to handle artifical defs in the entry to a function.
9890 (df_ru_bb_local_compute): Ditto.
9891 (df_rd_bb_local_compute_process_def): Ditto.
9892 (df_rd_bb_local_compute): Ditto.
9893 (df_lr_bb_local_compute): Ditto.
9894 (df_ur_bb_local_compute): Ditto.
9895 (df_urec_bb_local_compute): Ditto.
9896 (df_chain_create_bb): Ditto.
9897 (df_ur_local_finalize): Removed entry.
9898 (df_urec_init): Ditto.
9899 (df_urec_local_finalize): Ditto.
9900 (df_ri_bb_compute): Added detection of last use of pseudos.
9901 * Makefile.in (df-scan.o): Updated dependencies.
9902 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9903 * config/mips/mips.c (mips_set_live_on_entry): Added.
9904 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9906 * dce.c (marked_insn_p): Added code to handle artifical defs.
9908 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9910 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9912 (_mm_cvtsi128_si64): Likewise.
9913 (_mm_cvtsd_si64): Likewise.
9914 (_mm_cvttsd_si64): Likewise.
9915 (_mm_cvtsi64_sd): Likewise.
9916 (_mm_cvtsi64_si128): Likewise.
9917 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9918 (_mm_cvtsi64_m64): Likewise.
9919 (_m_to_int64): Likewise.
9920 (_mm_cvtm64_si64): Likewise.
9921 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9922 (_mm_cvttss_si64): Likewise.
9923 (_mm_cvtsi64_ss): Likewise.
9924 (_mm_cvtss_f32): Likewise.
9926 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9928 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9929 for pragma redefine_extname.
9931 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9934 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9935 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9936 -mno-minimal-toc to previous content.
9937 (bispecs): Remove goal.
9938 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9939 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9940 compatibility aliases on powerpc-*-*gnu*.
9941 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9942 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9943 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9944 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9945 (ldblspecs): New goal.
9946 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9947 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9949 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9950 L_sf_to_tf or L_df_to_tf is defined.
9952 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9953 Alan Modra <amodra@bigpond.net.au>
9956 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9957 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9958 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9959 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9960 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9961 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9962 (rs6000_override_options): Initialize rs6000_ieeequad.
9963 Initialize TFmode format to ibm_extended_format if not
9965 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9967 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9968 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9969 (function_arg_advance): IBM long double passed in two FPRs, not
9971 (function_arg): IBM long double passed in FPRs.
9972 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9973 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9974 Only multireg GPR aligned.
9975 (rs6000_init_libfuncs): Enable IBM long double functions if not
9977 (rs6000_generate_compare): Use IBM long double compare if not
9979 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9980 (TARGET_IEEEQUAD): Define.
9981 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9982 not TARGET_IEEEQUAD.
9983 * config/rs6000/rs6000.md: Enable TFmode patterns if
9985 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9986 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9987 and -mlong-double-128 are incompatible.
9988 * doc/invoke.texi (-mabi): Collect options together. Add
9989 ibmlongdouble and ieeelongdouble.
9991 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9993 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9995 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9996 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9997 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9998 * rtl.h (rtunion_def): Remove rt_ptr.
10000 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10001 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10002 * config/i386/winnt.c (i386_pe_mark_dllexport)
10003 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10005 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10007 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10009 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10013 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10014 pthread_key_delete. From John David Anglin. gthrw-ify
10015 pthread_getunique_np only if it it's not a macro. Delete
10017 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10018 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10019 __gthread_objc_condition_signal, __gthread_key_delete): Add
10020 "__attribute__ ((__unused__))" to unused arguments.
10021 (__gthread_recursive_mutex_init_function): Add missing return.
10022 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10023 gthr-posix95.h: Use macro-based approach for name redirection
10024 on targets missing weakref.
10026 2006-01-26 Zack Weinberg <zackw@panix.com>
10028 * genconditions.c (write_header): In generated code, #ifdef out
10029 all includes and fake declarations, except includes of bconfig.h
10030 and system.h, unless GCC_VERSION >= 3001. Do not include
10031 gensupport.h in any case.
10032 (write_conditions): Generate a definition of struct c_test. Add
10033 a comment to the generated #endif.
10034 (write_one_condition): Escape backslashes in string too.
10035 (write_writer): Generated code must escape backslashes and quote
10036 marks (but not newlines) in the strings it writes.
10037 * Makefile.in (build/gencondmd.o): Update dependencies.
10039 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10042 * Makefile.in (insn-automata.o): Add header file dependencies.
10043 * genautomata.c: Add includes.
10045 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10048 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10050 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10052 * configure.ac: Expect target tools paths to be passed from the toplevel
10053 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10055 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10057 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10060 * c.opt (Wpointer-sign): Init to -1.
10061 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10062 OPT_pedantic, to 0 otherwise.
10063 * doc/invoke.texi: Update.
10065 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10067 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10068 constants provided by 80387 instructions in the destination mode.
10070 2006-01-26 Richard Guenther <rguenther@suse.de>
10071 Andrew Pinski <pinskia@physics.uc.edu>
10074 partial PR tree-opt/17064
10075 * tree-ssa-structalias.c (intra_create_variable_infos):
10076 Create heap variables for incoming parameters if
10077 flag_argument_noalias > 1.
10078 (find_what_p_points_to): Look through default defs of
10081 2006-01-26 Jeff Law <law@redhat.com>
10084 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10085 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10086 within the VR_RANGE, use the VR_RANGE as the result, not the
10088 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10089 bounds for the type.
10091 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10093 * tree-ssa-alias.c (maybe_create_global_var): Change
10094 subvar walking to an assertion that we don't have subvar'd variables.
10096 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10099 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10100 Use a new variable, inner. PARM_DECLs are always non-weak.
10102 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10104 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10105 --disable-checking.
10107 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10109 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10111 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10113 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10114 (smax_insn, smin_insn, smax_0, smin_0): New.
10116 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10119 * config/cris/cris.c (cris_order_for_addsi3): New function.
10120 * config/cris/cris-protos.h: Prototype it.
10121 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10122 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10123 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10124 (split for "op.S1 [rx=rx+i],ry (swapped)")
10125 (split for "op(s|u).S1 [rx=rx+i],ry")
10126 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10127 Apply cris_order_for_addsi3 when generating addsi3 insns.
10129 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10131 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10132 (TREE_BLOCK): Add call to EXPR_CHECK.
10134 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10137 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10138 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10139 (dump_omp_clauses): ... here.
10140 (dump_generic_node): Handle OMP_CLAUSE.
10141 * tree.c (omp_clause_num_ops): New.
10142 (omp_clause_code_name): New.
10143 (tree_code_size): Handle OMP_CLAUSE.
10144 (tree_size): Likewise.
10145 (make_node): Document handling of OMP_CLAUSE.
10146 (tree_node_structure): Handle OMP_CLAUSE.
10147 (omp_clause_check_failed): New.
10148 (omp_clause_range_check_failed): New.
10149 (omp_clause_operand_check_failed): New.
10150 (build_omp_clause): New.
10151 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10152 * tree.h (enum omp_clause_code): Declare.
10153 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10154 (OMP_CLAUSE_RANGE_CHECK): Define.
10155 (OMP_CLAUSE_ELT_CHECK): Define.
10156 (omp_clause_check_failed): Declare.
10157 (omp_clause_operand_check_failed): Declare.
10158 (omp_clause_range_check_failed): Declare.
10159 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10160 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10161 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10162 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10163 (OMP_CLAUSE_IF_EXPR): Likewise.
10164 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10165 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10166 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10167 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10168 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10169 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10170 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10171 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10172 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10173 (OMP_CLAUSE_CODE): Define.
10174 (OMP_CLAUSE_SET_CODE): Define.
10175 (OMP_CLAUSE_CODE): Define.
10176 (OMP_CLAUSE_OPERAND): Define.
10177 (struct tree_omp_clause): Declare.
10178 (union tree_node): Add field 'omp_clause'.
10179 * treestruct.def (TS_OMP_CLAUSE): Define.
10180 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10181 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10182 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10183 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10184 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10185 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10186 (OMP_CLAUSE): Define.
10187 * print-tree.c (print_node): Handle OMP_CLAUSE.
10188 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10189 * c-typeck.c: Likewise.
10190 * gimplify.c: Likewise.
10191 * c-omp.c: Likewise.
10192 * tree-nested.c: Likewise.
10193 * tree-inline.c: Likewise.
10194 * c-parser.c: Likewise.
10195 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10198 2006-01-25 Roger Sayle <roger@eyesopen.com>
10200 PR rtl-optimization/25703
10201 * combine.c (try_combine): Handle zero_extract and strict_low_part
10202 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10204 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10206 * global.c: Fix comment typos.
10208 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10211 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10212 Use output_addr_const instead of assemble_name.
10214 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10216 * Makefile.in (sched-vis.o): Update dependencies.
10217 * haifa-sched.c (sched_finish): Clear current_sched_info.
10218 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10219 (dump_flow_info): Call it.
10220 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10222 * basic-block.h (dump_bb_info): Declare.
10223 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10224 option, and apply options only for dump files whose TDF_RTL,
10225 TDF_TREE, or TDF_IPA bits match.
10226 * rtl.h: Declare new functions exported from sched-vis.c.
10227 * sched-vis.c: Enable also if scheduling is not used.
10228 (print_value): Print the mode of registers if not inside scheduling.
10229 (print_insn): Make it work outside the scheduler. Beautify the output
10231 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10233 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10235 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10236 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10237 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10238 depending on the value of CONSTANT_POOL_ADDRESS_P.
10239 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10241 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10242 rather than SYMBOL_REF_DECL.
10243 (rtx_constant_pool): Remove const_rtx_sym_htab.
10244 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10245 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10246 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10247 Remove handling of const_rtx_sym_htab.
10248 (find_pool_constant): Delete.
10249 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10250 rather than find_pool_constant.
10251 (get_pool_constant_for_function): Delete.
10252 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10253 find_pool_constant.
10254 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10255 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10256 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10257 (SYMBOL_REF_CONSTANT): New macro.
10258 (get_pool_constant_for_function): Delete.
10259 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10260 rather than SYMBOL_REF_DECL.
10261 (i386_pe_mark_dllimport): Likewise.
10262 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10263 rather than SYMBOL_REF_DECL.
10264 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10265 (machopic_indirect_call_target): Likewise.
10267 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10269 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10271 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10273 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10275 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10277 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10279 2006-01-24 David Daney <ddaney@avtrex.com>
10282 * configure.ac (enable_tls): New enable option.
10283 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10284 * configure: Regenerate.
10285 * doc/install.texi (--enable-tls): Document new option.
10286 (--disable-tls): Ditto.
10288 2006-01-24 Richard Henderson <rth@redehat.com>
10290 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10291 * alias.c (true_dependence): Respect it.
10292 (canon_true_dependence, write_dependence_p): Likewise.
10293 * builtins.c (get_builtin_sync_mem): Set it.
10295 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10297 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10300 2006-01-24 DJ Delorie <dj@redhat.com>
10302 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10303 for storing constants in single-bit bitfields.
10305 2006-01-25 Ben Elliston <bje@au.ibm.com>
10307 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10309 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10312 * tree-ssa-pre.c (phi_translate): Return NULL
10313 for AGGREGATE_TYPE's.
10315 2006-01-24 Zack Weinberg <zackw@panix.com>
10317 * genautomata.c (process_state_for_insn_equiv_partition):
10318 Use xcalloc for insn_arcs_array.
10319 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10320 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10322 2006-01-24 Richard Henderson <rth@redhat.com>
10324 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10325 update all callers.
10327 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10329 PR rtl-optimization/25890
10330 PR rtl-optimization/25905
10331 * combine.c (expand_compound_operation, expand_field_assignment):
10332 Fail if the bitfield's final position is out of bounds.
10334 2006-01-24 Ian Lance Taylor <ian@airs.com>
10336 PR middle-end/25930
10337 * cgraphunit.c (cgraph_output_in_order): Don't clear
10338 cgraph_asm_nodes until after asm strings have been output.
10340 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10342 * fix-header.c (read_scan_file): Add new parameter imultilib when
10343 calling register_include_chains.
10345 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10347 * omp-low.c: Update documentation.
10349 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10350 Daniel Berlin <dberlin@dberlin.org>
10354 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10355 return from the function.
10357 2006-01-22 Zack Weinberg <zackw@panix.com>
10359 * rtl.def (match_code): Add second argument.
10360 * genpreds.c (write_extract_subexp): New function.
10361 (write_match_code): Add path argument. Use write_extract_subexp.
10362 (write_predicate_expr): Pass path to write_match_code.
10363 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10364 not perform a mode test.
10365 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10366 a subexpression does not constrain the top-level code set.
10367 * read-rtl.c (read_rtx_variadic): New function.
10368 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10369 * doc/md.texi: Document new notation.
10370 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10371 (cmpsi_operand): ... here, using new notation.
10373 2006-01-22 Zack Weinberg <zackw@panix.com>
10375 * varray.c: Remove GENERATOR_FILE #ifdefs.
10377 2006-01-22 Zack Weinberg <zackw@panix.com>
10379 * genautomata.c (output_reserved_units_table): Emit nothing if
10380 description->query_units_num is zero. Remove extra blank line.
10381 (output_cpu_unit_reservation_p): Short circuit
10382 if description->query_units_num is zero.
10384 2006-01-22 Zack Weinberg <zackw@panix.com>
10386 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10387 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10388 nor any of the random handful of variables that used to be necessary
10389 when this program was linked with rtlanal.o. Prune set of forward
10390 function declarations.
10391 (struct attr_desc): Remove static_p field.
10392 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10393 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10394 (attr_string): Do not read the character one past the length of
10396 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10397 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10398 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10399 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10400 (make_automaton_attrs): New.
10401 (main): Do not call into genautomata. Call local gen_bypass
10402 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10403 Remove special case for insn_alts.
10404 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10405 varray.h (leftover from previous change). Prune set of forward
10406 function declarations. Remove state_alts fields from all
10407 structures. Remove state_alts_table from struct automaton.
10408 Make everything except main static. Do not maintain num_dfa_decls.
10409 Do not maintain state_alts fields of various structures.
10410 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10411 (add_arc): Remove state_alts argument. All callers updated.
10412 (output_reserved_units_table): Emit #ifdef here...
10413 (output_tables): ...not here. Don't generate state_alts tables.
10414 (expand_automata): Don't generate attributes.
10415 (write_automata): Don't generate state_alts functions.
10416 (main): New function.
10417 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10418 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10419 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10420 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10421 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10422 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10423 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10424 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10426 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10427 * genattrtab.h: Delete file.
10428 * Makefile.in (OBJS-common): Add insn-automata.o.
10429 (insn-automata.o): New rule.
10430 (simple_generated_c): Add insn-automata.c.
10431 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10432 (genprogmd): Add automata.
10433 (build/genattrtab): Needs no extra objects nor libraries.
10434 (build/genautomata): Needs build/vec.o and -lm.
10436 2006-01-22 Zack Weinberg <zackw@panix.com>
10438 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10439 (output_dfa_max_issue_rate, locked_states_num): Delete.
10440 (struct automaton): Add locked_states field.
10441 (output_dead_lock_vect): Save number of locked states in
10442 automaton->locked_states. If it is zero, don't print anything.
10443 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10444 (output_internal_dead_lock_func): Only test the dead_lock_vect
10445 for automata that have locked states.
10446 (output_statistics): Always print the number of locked states for
10447 each automaton. Calculate total number of locked states here.
10448 (write_automata): Don't call output_dfa_max_issue_rate.
10449 * genattrtab.c: Define length_unit_log as a const variable.
10450 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10451 max_insn_queue_index const.
10452 * final.c (length_unit_log): Declare const.
10453 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10455 2006-01-22 Zack Weinberg <zackw@panix.com>
10457 * genautomata.c: Include vec.h, not varray.h.
10458 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10459 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10460 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10461 VEC_* macros operating on appropriately typed vectors, or to
10462 malloced arrays when the size is known in advance. Const-ify
10463 many char* variables and function arguments. No functional changes.
10464 * Makefile.in (build/varray.o): Delete rule.
10465 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10466 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10468 2006-01-22 Zack Weinberg <zackw@panix.com>
10470 * gensupport.c: Define get_insn_name and record_insn_name here.
10471 (read_md_rtx): Call record_insn_name as appropriate.
10472 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10473 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10474 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10476 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10477 (BUILD_VARRAY): Delete.
10478 (genprognormal): Rename genprogmd. Fold in all programs from
10479 genprognoprint; also attrtab.
10480 (build/genattrtab): Just mention genautomata.o and varray.o.
10481 Reorganize a bit, add comments to make the categories clearer.
10483 2006-01-22 Zack Weinberg <zackw@panix.com>
10485 * genconditions.c (condition_table, add_condition): Delete.
10486 (write_conditions): Don't emit n_insn_conditions nor
10487 insn_elision_unavailable. Issue the gcc version #ifdef here,
10488 inside the table, with no #else clause ...
10489 (write_header): ...not here.
10490 (write_writer): New function.
10491 (main): Don't initialize condition_table. Use add_c_test.
10493 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10494 files on the command line.
10495 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10496 Return -1 if there is no entry in the table, don't abort.
10497 (add_c_test, traverse_c_tests): New functions.
10498 * gensupport.h (insn_elision_unavailable, insn_conditions)
10499 (n_insn_conditions): Delete declarations.
10500 (add_c_test, traverse_c_tests): Declare.
10501 * read-rtl.c: Include gensupport.h.
10502 (read_conditions): New function.
10503 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10504 (read_rtx_1): If we get EOF when we were looking for an initial
10505 open paren, return 0. Call read_conditions when appropriate.
10506 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10507 dummy-conditions.o. Eliminate references to insn-conditions.o,
10508 or change them to build/gencondmd.o, as appropriate. Remove
10509 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10510 from $(simple_generated_c). For all files remaining in those
10511 two lists, add insn-conditions.md to the generator command line.
10512 Give insn-constants.h/s-constants their own rules. Add rules
10513 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10514 (build/read-rtl.o): Depend on gensupport.h.
10515 (genprognormal): Include preds.
10516 (genprogearly): Rename genprognoprint; only difference is now that
10517 they don't link with $(BUILD_PRINT).
10518 * dummy-conditions.c: Delete.
10520 2006-01-22 Zack Weinberg <zackw@panix.com>
10522 * genextract.c: Don't include insn-config.h. Do include vec.h.
10523 Declare vectors of int, char, and locstr.
10524 (locstr): New typedef.
10525 (struct extraction): Make all array fields into bare pointers.
10526 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10527 (insn_code_number): Delete.
10528 (accum_extract): New struct.
10529 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10530 (gen_insn): Take insn_code_number as an argument. Use an
10531 accum_extract structure instead of loading data directly into
10532 a struct extraction, and having to know how big it might get.
10533 (walk_rtx): Operate entirely on an accum_extract structure.
10534 (print_path): Avoid unnecessary use of printf.
10535 (print_header): New function, split out of main. Distinguish
10536 more carefully between an unrecognizable insn and an insn that
10537 has the code number of a define_expand.
10538 (main): Pass insn_code_number to gen_insn. Call print_header
10539 only after parsing. Avoid unnecessary use of printf.
10540 * Makefile.in (build/vec.o): New rule.
10541 (build/genextract): Depend on build/vec.o.
10542 (build/genextract.o): Don't depend on insn-config.h.
10544 2006-01-22 Zack Weinberg <zackw@panix.com>
10546 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10547 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10548 practical. Eliminate per-generator-program link rules.
10550 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10552 PR middle-end/24437
10553 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10554 with a call expr to ...
10555 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10557 2006-01-23 Richard Guenther <rguenther@suse.de>
10559 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10560 before make_edge with conditional EDGE_TRUE_VALUE.
10562 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10563 Jan Hubicka <jh@suse.cz>
10564 Richard Guenther <rguenther@suse.de>
10566 PR rtl-optimization/25654
10567 * cfgexpand.c (aggregate_contains_union_type): New function.
10568 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10569 for structure variables that contain a union type.
10571 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10573 * gengtype.c (new_structure): Return the structure.
10574 (create_option): Add an extra "next" argument.
10575 (create_field): New function.
10576 (adjust_field_rtx_def): Use create_option and create_field.
10577 Remove a now-unnecessary call to find_structure.
10578 (adjust_field_tree_def): Likewise.
10579 (note_yacc_type): Remove an unnecessary call to find_structure.
10580 * gengtype.h (new_structure): Return the structure.
10581 (create_option): Add an extra argument.
10582 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10583 (option): Adjust calls to create_option.
10585 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10587 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10589 2006-01-22 Paul Brook <paul@codesourcery.com>
10590 Peter Barada <peter@the-baradas.com>
10592 * config/m68k/m68k.md: Add Coldfire FPU support.
10593 Define FP mode macro and associated attributes.
10594 Use it for float mode patterns.
10595 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10596 (LIBCALL_VALUE): Use m68k_libcall_value.
10597 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10598 (m68k_function_value): Ditto.
10599 (emit_move_sequence): Ditto.
10600 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10601 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10602 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10603 (MULTILIB_EXCEPTIONS): Ditto.
10604 * config/m68k/m68k.opt: Add mcfv4e.
10605 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10606 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10607 (m68k_output_function_prologue): Save ColdFire FPU registers.
10608 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10609 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10610 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10611 ColdFire FPU registers.
10612 (m68k_libcall_value, m68k_function_value): New functions.
10613 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10614 (LIBCALL_VALUE): Use m68k_libcall_value.
10615 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10616 (MASK_COLDFIRE): Add MASK_CFV4E.
10617 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10618 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10619 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10620 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10621 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10622 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10623 * doc/invoke.tex: Document -mcfv4e on m68k.
10625 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10627 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10630 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10633 * c-opts.c (c_common_handle_option): Don't include
10634 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10635 * doc/invoke.texi (C++ Dialect Options): Document that
10636 -Wnon-virtual-dtor is no longer included in -Wall.
10638 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10640 * gcov.c (print_version), gcov-dump.c (print_version),
10641 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10644 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10646 * df-scan.c (problem_SCAN): Added NULL reset function.
10647 (df_scan_reset_blocks): Added code to call reset block function
10648 (df_bb_refs_delete) Fixed comment.
10649 (df_insn_refs_delete): Made tolerant of deleting non existent info
10650 for dataflow problems that need to be reset.
10651 * df-core.c (df_set_blocks): Ditto.
10652 * df.h (struct df_problem): Added reset_fun.
10653 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10654 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10655 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10656 functions to clear out all references to def-use or use-def chains.
10658 2006-01-21 Ben Elliston <bje@au.ibm.com>
10660 * varasm.c (assemble_real): Initialise data array.
10662 2006-01-20 Paul Brook <paul@codesourcery.com>
10664 Merge from csl-arm-branch.
10665 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10666 * config/arm/arm.md (movdi): Force operands[1] to a register
10667 if we have a non-register source.
10668 (*arm_movdi, *movdf_soft_insn): Require that one of the
10669 operands be a register.
10670 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10671 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10673 2006-01-20 DJ Delorie <dj@redhat.com>
10675 * varasm.c (initializer_constant_valid_p): Allow pointers
10676 initialized from integer constants of lesser precision.
10677 (output_constant): Allow non-int-sized pointer modes to be
10678 initialized from integer constants.
10680 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10683 * cppdefault.h (struct default_include): Add multilib flag.
10684 * cppdefault.c (cpp_include_defaults): Set it.
10685 * c.opt (-imultilib): New option.
10686 * c-opts.c (imultilib): New.
10687 (c_common_handle_option): Handle -imultilib.
10688 (c_common_post_options): Likewise.
10689 * c-incpath.c (add_standard_paths, register_include_chains):
10691 * c-incpath.h (register_include_chains): Add extra parameter.
10692 * gcc.c (do_spec_1): Generate -imultilib option.
10693 (The Specs Language): Update %I description.
10694 (process_command): Update copyright notice.
10695 * doc/cppopts.texi (-imultilib): Document.
10696 * doc/invoke.texi (-imultilib): Include in option summary.
10697 (%I): Update specs documentation.
10699 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10701 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10703 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10705 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10708 2006-01-20 Richard Guenther <rguenther@suse.de>
10709 Steven Bosscher <stevenb.gcc@gmail.com>
10711 PR rtl-optimization/24626
10712 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10713 EDGE_TRUE_VALUE if in RTL mode.
10716 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10717 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10719 2006-01-20 Dirk Mueller <dmueller@suse.com>
10722 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10723 instead of a special NOP marker.
10724 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10725 NOP marker handling.
10726 * c-common.h (empty_body_warning): Add forward declaration.
10727 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10728 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10730 2006-01-20 Paul Brook <paul@codesourcery.com>
10732 * Makefile.in (lang_checks): Keep going if mkdir fails.
10734 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10736 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10737 be able to clean out basic block when not necessary.
10738 (df_scan_free): Fixed to properly delete information if df is
10739 unused before calling df_finish.
10740 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10741 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10743 (df_bb_refs_delete): New function.
10744 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10745 * df-core.c (df_set_blocks): Added code to properly clean out
10746 unused blocks if they are not part of the blocks to consider.
10747 Added additional null check.
10748 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10749 be able to clean out basic block when not necessary
10750 * df.h (df_free_bb_function): Ditto.
10751 (df_bb_refs_delete): New function.
10752 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10753 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10754 basic block parameter to be able to clean out basic block when not
10756 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10757 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10758 Fixed to properly delete information if df is unused before
10761 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10763 PR rtl-optimization/25799
10764 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10765 Corrected confluence operator to remove bits from op2 before oring
10766 with op1 rather than removing bits from op1.
10767 (df_ru_transfer_function): Corrected test on wrong bitmap which
10768 caused infinite loop. Both of these problems were introduced in
10769 the dataflow rewrite.
10771 2006-01-19 DJ Delorie <dj@redhat.com>
10773 * reload1.c (find_reload_regs): Note the details of reload
10774 failures in the dump file.
10775 (spill_failure): Likewise.
10777 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10779 * loop-iv.c: Include df.h and hashtab.h.
10780 (enum iv_grd_result): New enum.
10781 (DF_REF_IV, DF_REF_IV_SET): New macros.
10782 (struct biv_entry): New.
10783 (df, bivs): New global variables.
10784 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10785 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10787 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10788 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10789 analyzed_for_bivness_p, record_biv): New functions.
10790 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10791 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10792 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10794 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10796 (iv_number_of_iterations): Use new interface to iv analysis.
10797 * loop-unroll.c: Do not include varray.h.
10798 (analyze_iv_to_split_insn): Use new interface to iv
10800 * loop-unswitch.c (may_unswitch_on): Ditto.
10801 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10803 (df_bb_modify): Realloc tables to the new index.
10804 (df_find_use): New function.
10805 * df.h (df_find_use): Declare.
10806 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10808 * cfgloop.h (struct rtx_iv): Remove analysed field.
10809 (iv_get_reaching_def): Removed.
10810 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10811 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10812 (loop-iv.o): Add df.h and hashtab.h dependency.
10813 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10815 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10818 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10820 (__floatundisf, __floatundidf): Likewise.
10821 * libgcc2.h (IS_IBM_EXTENDED): Define.
10823 2006-01-19 DJ Delorie <dj@redhat.com>
10825 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10827 2006-01-19 Paul Brook <paul@codesourcery.com>
10829 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10830 as nothrow when unwinding tables are disabled.
10832 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10835 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10836 of bit-field" when in system header.
10838 2006-01-19 DJ Delorie <dj@redhat.com>
10840 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10841 the 16 bit shift limit of the m16c.
10843 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10846 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10847 * config/i386/i386.c (output_set_got): Output the label if we have one
10848 for the TARGET_DEEP_BRANCH_PREDICTION case.
10850 2006-01-19 Jan Hubicka <jh@suse.cz>
10851 H.J. Lu <hongjiu.lu@intel.com>
10852 Evandro Menezes <evandro.menezes@amd.com>
10854 * invoke.texi (generic): Document
10856 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10857 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10858 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10859 (x86_use_incdec, x86_pad_returns): New variables
10860 (TARGET_CPU_DEFAULT_generic): New constant
10861 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10862 (enum processor_type): Add generic32 and generic64.
10863 * i386.md (cpu attribute): Add generic32/generic64
10864 (movhi splitter): Behave sanely when both partial_reg_dependency and
10865 partial_reg_stall are set.
10866 (K8 splitters): Enable for generic as well.
10867 * predicates.md (incdec_operand): Use TARGET_INCDEC
10868 (aligned_operand): Avoid memory mismatch stalls.
10869 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10870 * ppro.md: Enable for generic32
10871 * i386.c (generic64_cost, generic32_cost): New.
10872 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10873 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10874 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10875 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10876 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10877 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10878 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10879 x86_accumulate_outgoing_args, x86_prologue_using_move,
10880 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10881 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10882 Enable for generic.
10883 (x86_use_incdec, x86_pad_returns): New.
10884 (override_options): Add generic32 and generic64, translate "generic"
10885 to generic32/generic64 and "i686" to "generic32", refuse
10886 "generic32"/"generic64" as arch target.
10887 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10888 (ix86_reorg): Honor PAD_RETURNS.
10890 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10892 * tree-pretty-print.c (dump_generic_node): Handle
10893 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10894 * cgraph.c (cgraph_expand_queue): Rename from
10895 cgraph_analyze_queue. Update all users.
10896 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10897 cgraph_expand_queue.
10898 (cgraph_expand_all_functions): Likewise.
10899 (cgraph_finalize_pending_functions): Remove. Update callers.
10901 * tree.h (OMP_DIRECTIVE_P): Define.
10902 (OMP_PARALLEL_FN): Define.
10903 (OMP_PARALLEL_DATA_ARG): Define.
10904 (OMP_SECTIONS_SECTIONS): Define.
10905 * tree-pass.h (pass_expand_omp): Declare.
10906 * omp-low.c (struct omp_region): Declare.
10907 (struct omp_context): Remove fields 'parallel_type',
10908 'parallel_start_ix' and 'parallel_start_additional_args'.
10910 (struct omp_for_data): Rename from struct expand_omp_for_data.
10911 (omp_regions): New static variable.
10912 (root_omp_region): New static variable.
10913 (find_omp_clause): Make static.
10914 (is_in_combined_parallel_ctx): Remove.
10915 (is_combined_parallel): New.
10916 (extract_omp_for_data): Move earlier in the file.
10917 (workshare_safe_to_combine_p): New.
10918 (get_ws_args_for): New.
10919 (determine_parallel_type): Move earlier in the file.
10920 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10922 (omp_copy_decl): Likewise.
10923 (create_omp_child_function): Likewise.
10924 (lookup_omp_region): New.
10925 (dump_omp_region): New.
10926 (debug_omp_region): New.
10927 (debug_all_omp_regions): New.
10928 (new_omp_region): New.
10929 (scan_omp_parallel): If parallel_nesting_level > 1, the
10930 directive is nested within another parallel directive.
10931 Set OMP_PARALLEL_FN.
10932 (scan_omp_for): Do not try to handle combined parallel+for
10934 Remove FIXME comment.
10935 (scan_omp_nested): Remove.
10936 (scan_omp_1): Do not call scan_omp_nested when
10937 parallel_nesting_level is > 1.
10938 Do not change the DECL_CONTEXT of local variables found.
10939 (lookup_decl_in_outer_ctx): New.
10940 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10941 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10942 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10943 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10944 If CTX is nested, lookup VAR in the outer context when
10945 building copy assignment.
10946 (lower_send_clauses): Rename from expand_send_clauses.
10947 If CTX is nested, lookup VAR in the outer context when
10948 building copy assignments.
10949 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10950 If CTX is nested, lookup VAR in the outer context when
10951 building copy assignments.
10952 (expand_parallel_call): Rename from build_parallel_call.
10953 Handle combined parallel+workshare cases.
10954 Re-implement to emit code into the CFG.
10956 (expand_omp_parallel): Re-implement to emit code into the CFG.
10957 Call move_sese_region_to_fn to outline the sub-graph
10958 containing the parallel region.
10959 (expand_omp_for_1): Remove.
10960 (expand_omp_for_generic): Re-implement to emit code into the
10962 (expand_omp_for_static_nochunk): Likewise.
10963 (expand_omp_for_static_chunk): Likewise.
10964 (expand_omp_for): Likewise.
10965 (expand_omp_sections): Likewise.
10966 (remove_exit_barriers): New.
10967 (expand_omp_synch): New.
10969 (build_omp_regions_1): New.
10970 (build_omp_regions): New.
10971 (execute_expand_omp): New.
10972 (gate_expand_omp): New.
10973 (pass_expand_omp): Define.
10974 (lower_omp_sections): Rename from expand_omp_sections.
10975 Set OMP_SECTIONS_SECTIONS.
10976 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10977 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10978 (lower_omp_single): Rename from expand_omp_simple.
10979 (lower_omp_master): Rename from expand_omp_master.
10980 (lower_omp_ordered): Rename from expand_omp_ordered.
10981 (lower_omp_critical): Rename from expand_omp_critical.
10982 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10983 (lower_omp_for): Re-implement.
10984 (lower_omp_parallel): Re-implement.
10985 (lower_regimplify): Rename from expand_regimplify.
10986 (lower_omp_1): Rename from expand_omp_1.
10987 If there are syntax errors in the program, replace every
10988 OpenMP directive with NOP.
10989 Call lower_omp_* instead of expand_omp_*.
10990 (lower_omp): Rename from expand_omp.
10992 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10993 * tree-gimple.h (enum omp_parallel_type): Remove.
10994 (gimple_boolify): Declare extern.
10995 (find_omp_clause, determine_parallel_type): Remove.
10997 * gimple-low.c (lower_omp_directive): New.
10998 (lower_stmt): Call it.
10999 (record_vars_into): Move from ...
11000 (record_vars): ... here.
11001 Call record_vars_into with current_function_decl.
11003 * gimplify.c (struct gimplify_ctx): Remove fields
11004 combined_pre_p and combined_ctxp. Update users.
11005 (get_formal_tmp_var): Add documentation.
11006 (gimple_boolify): Make extern.
11007 (gimplify_expr_in_ctx): Remove. Update callers.
11008 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11009 will always be a BIND_EXPR.
11010 (gimplify_expr): Handle OMP_RETURN_EXPR.
11011 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11012 (OMP_PARALLEL): Add 3 operands.
11013 (OMP_SECTIONS): Add 1 operand.
11014 (OMP_RETURN_EXPR): Define.
11016 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11017 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11018 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11019 creating a circular free list.
11020 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11022 * tree-flow.h (move_sese_region_to_fn): Declare.
11023 (record_vars_into): Declare.
11024 * tree-cfg.c (make_omp_sections_edges): New.
11025 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11026 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11027 OMP_SECTIONS and OMP_SECTION.
11028 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11029 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11030 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11031 (gather_blocks_in_sese_region): New.
11032 (struct move_stmt_d): Declare.
11033 (move_stmt_r): New.
11034 (move_block_to_fn): New.
11035 (move_sese_region_to_fn): New.
11037 * passes.c (init_optimization_passes): Schedule
11038 pass_expand_omp after pass_init_datastructures.
11040 * tree-ssa-operands.c (get_expr_operands): Handle
11041 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11042 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11044 2006-01-19 Jeff Law <law@redhat.com>
11046 * tree-vrp.c (extract_range_from_assert): Refine the result range
11047 if the variable referenced by the ASSERT_EXPR has a range and
11048 either the tentative result range or the previous range is a
11051 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11053 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11055 2006-01-19 Jan Hubicka <jh@suse.cz>
11057 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11059 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11061 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11062 (expand_compound_operation, expand_field_assignment): Fail if the
11063 bit lengths of an extract operation are out of range.
11064 (make_extraction): Compute wanted_inner_mode based on the position
11065 and length of the extraction. Make it extraction_mode for non-constant
11066 positions, and do not modify offset in that case. When generating a
11067 new MEM, use a mode that can hold the extraction while keeping correct
11068 alignment. Remove code that supported MEMs wrapped by USEs.
11069 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11071 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11073 * config/s390/s390.md ("Y", "y"): New mode attribute.
11074 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11075 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11076 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11077 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11078 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11079 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11080 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11081 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11082 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11083 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11084 "addsi3", "subsi3"): Insn patterns removed.
11085 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11086 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11087 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11088 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11089 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11090 "*sub<mode>3_cconly2"): New insn patterns.
11091 ("addsi3", "subsi3"): New expanders.
11093 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11095 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11096 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11097 existing STMT_VINFO_VECTYPE if available.
11098 (vect_mark_relevant): Add special handling for stmts that are
11099 marked as STMT_VINFO_IN_PATTERN_P.
11100 (vect_analyze_loop): Call vect_pattern_recog.
11101 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11102 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11104 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11105 (vect_recog_func_ptr): New function-pointer type.
11106 * tree-vect-patterns.c: New file.
11107 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11108 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11109 (vect_pattern_recog_1): New functions.
11110 (vect_pattern_recog_funcs): New array of function pointers.
11112 * tree-vectorizer.h (ternary_op): New enum value.
11113 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11114 declaration. Revised documentation. Removed redundant dump prints.
11115 Removed redundant argument. Added support for reduction patterns.
11116 (vectorizable_reduction): Added support for reduction patterns.
11117 (vect_transform_stmt): Added support for patterns.
11119 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11120 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11121 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11122 (expand_widen_pattern_expr): New function.
11123 (init_optabs): Initialize new optabs udot_prod_optab,
11125 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11126 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11127 (expand_widen_pattern_expr): New function declaration.
11128 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11130 * tree-inline.c (estimate_num_insns_1): Added cases for new
11131 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11132 * tree-pretty-print.c (dump_generic_node): Likewise.
11133 (op_prio): Likewise.
11134 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11135 * tree-ssa-operands.c (get_expr_operands): Added case for
11137 * tree-vect-patterns.c (widened_name_p): New function.
11138 (vect_recog_dot_prod_pattern): Added function implementation.
11139 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11140 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11141 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11142 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11144 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11145 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11146 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11147 (init_optabs): Initialize new optabs widen_ssum_optab,
11149 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11150 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11151 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11152 use instead of type of def.
11153 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11154 function implementation.
11155 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11156 widen_ssumv8hi): New.
11158 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11161 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11164 * c-decl.c (add_flexible_array_elts_to_size): New function.
11165 (finish_decl): Use it.
11167 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11169 * diagnostic.h: Include options.h.
11170 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11171 dependancies for diagnostic.h.
11172 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11174 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11176 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11177 (ssa_ro_call_cache_valid): Ditto.
11178 * tree-ssa-alias.c (sort_tags_by_id): New function.
11179 (init_transitive_clobber_worklist): Ditto.
11180 (add_to_worklist): Ditto.
11181 (mark_aliases_call_clobbered): Ditto.
11182 (compute_tag_properties): Ditto.
11183 (set_initial_properties): Ditto.
11184 (compute_call_clobbered): Ditto.
11185 (compute_may_aliases): Call compute_call_clobbered and grouping.
11186 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11187 (compute_flow_insensitive_aliasing): Grouping now happens in our
11189 (setup_pointers_and_addressables): Remove clobbering related code.
11190 (add_may_alias): Ditto.
11191 (replace_may_alias): Ditto.
11192 (get_nmt_for): Ditto.
11193 (create_global_var):
11194 (is_escape_site): Return an escape_type enumeration.
11195 * tree-flow-inline.h (is_call_clobbered): Global var does not
11196 imply call clobbered.
11197 (mark_call_clobbered): Take a reason for marking this. Remove
11198 marking of globalness, and cache invalidation.
11199 (clear_call_clobbered): Remove cache invalidation code.
11200 * tree-dfa.c (dump_variable): If details is on, dump the reason
11202 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11204 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11205 (struct var_ann_d): Ditto.
11206 (enum escape_type): New.
11207 (mark_call_clobbered): Adjust prototype.
11208 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11209 are never call clobbered.
11210 Record reasons for escaping.
11211 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11212 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11213 (ssa_ro_call_cache_valid): Ditto.
11214 (clobbered_v_may_defs): Ditto.
11215 (clobbered_vuses): Ditto.
11216 (ro_call_vuses): Ditto.
11217 (clobber_stats): New.
11218 (init_ssa_operands): Zero out clobber stats.
11219 (fini_ssa_operands): Print out clobber stats.
11220 (get_call_expr_operands): Pass callee fndecl to
11221 add_call_read_ops).
11222 (add_call_clobber_ops): Remove use of cache.
11223 Add use of PURE_CONST information.
11224 (add_call_read_ops): Remove use of cache.
11225 Add use of static not_read information.
11227 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11229 Introduce TLS descriptors for i386 and x86_64.
11230 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11231 (TARGET_ANY_GNU_TLS): New macro.
11232 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11233 (struct machine_function): Add tls_descriptor_call_expanded_p.
11234 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11235 (ix86_current_function_calls_tls_descriptor): Likewise.
11236 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11237 (override_options): Introduce gnu2 tls dialect.
11238 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11240 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11242 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11243 (ix86_init_machine_status): Initialize new field.
11244 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11245 (ix86_tls_module_base): New.
11246 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11247 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11248 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11249 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11250 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11251 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11252 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11253 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11254 * config/i386/predicates.md (tls_modbase_operand): New.
11255 (tp_or_register_operand): New.
11257 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11259 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11260 (look_for_address_of): Ditto.
11261 (ipa_init): Walk the function decls.
11262 (static_execute): Don't set readonly on FUNCTION_DECL's.
11264 2006-01-18 Roger Sayle <roger@eyesopen.com>
11266 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11267 for shifts where the source and destination registers are different.
11269 2006-01-18 Paul Brook <paul@codesourcery.com>
11271 Merge from csl-arm-branch.
11272 2005-03-14 Julian Brown <julian@codesourcery.com>
11273 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11274 (aeabi_llsl): Likewise.
11275 (ashrdi3): Likewise.
11276 (aeabi_lasr): Likewise.
11277 (lshrdi3): Likewise.
11278 (aeabi_llsr): Likewise.
11279 2005-03-10 Julian Brown <julian@codesourcery.com>
11280 * config.gcc: Disable shared libgcc for SymbianOS.
11281 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11283 2006-01-18 DJ Delorie <dj@redhat.com>
11285 * c-pragma.c (handle_pragma_diagnostic): New.
11286 (init_pragma): Register it.
11287 * doc/extend.texi: Document it.
11289 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11290 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11291 (diagnostic_context): Add classify_diagnostic[].
11292 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11293 as errors if they're overridden to DK_WARNING.
11294 (diagnostic_initialize): Initialize classify_diagnostic[].
11295 (diagnostic_set_kind_override): New.
11296 (diagnostic_report_diagnostic): Check for kind changes.
11297 * opts.c (common_handle_option): Take lang_mask. Update callers.
11298 Handle OPT_Werror_.
11299 * common.opt (Werror=): New.
11300 * doc/invoke.texi: Document -Werror=*
11302 2006-01-18 Jeff Law <law@redhat.com>
11304 * tree-vrp.c (test_for_singularity): Correct test for new
11305 min limit. Use operand_equal_p rather than pointer equality
11306 for testing if new min/max values are equal.
11308 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11309 using range information until after propagation and folding.
11311 2006-01-18 Richard Henderson <rth@redhat.com>
11312 Aldy Hernandez <aldyh@redhat.com>
11313 Jakub Jelinek <jakub@redhat.com>
11314 Diego Novillo <dnovillo@redhat.com>
11316 * omp-low.c: New file.
11317 * c-omp.c: New file.
11319 2006-01-18 Richard Henderson <rth@redhat.com>
11320 Jakub Jelinek <jakub@redhat.com>
11321 Diego Novillo <dnovillo@redhat.com>
11323 * doc/invoke.texi: Document -fopenmp.
11324 * tree-dump.h (debug_function): Declare.
11325 * hooks.c (hook_bool_tree_bool_false): New function.
11326 (hook_tree_tree_null): Remove.
11327 (hook_tree_tree_tree_null): New.
11328 * hooks.h: Update to match.
11329 * tree-pretty-print.c (debug_tree_chain): New.
11330 (print_generic_expr): Handle TDF_CHAIN.
11331 (dump_generic_node): Handle BLOCK.
11332 Do not abort with incomplete SWITCH_EXPRs.
11333 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11334 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11335 print space after directive name.
11336 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11337 Handle OMP_MASTER and OMP_ORDERED.
11338 Handle printing of OMP_BODY just in one place, goto
11339 dump_omp_body in the rest of OMP_* nodes that have
11341 Don't handle clause nodes here. Update omp statements to
11342 use dump_omp_clauses.
11343 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11344 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11345 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11346 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11347 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11348 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11349 Adjust output for GOMP_PARALLEL.
11350 (dump_omp_clauses): New.
11351 (print_declaration): Dump DECL_VALUE_EXPR.
11352 (op_symbol_1): Split out of op_symbol.
11353 (dumping_stmts): Remove. Update all users.
11354 * cgraph.c (cgraph_analyze_queue): New.
11355 (cgraph_add_new_function): New.
11356 * cgraph.h (cgraph_analyze_queue): Declare.
11357 (cgraph_add_new_function): Declare.
11358 (cgraph_lower_function): Remove.
11359 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11360 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11361 and TYPE_P nodes in its default clause.
11362 (empty_body_p): New.
11363 (tree_range_check_failed): New.
11364 (build5_stat): New.
11365 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11366 OMP_CLAUSE_REDUCTION_MERGE,
11367 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11368 OMP_CLAUSE_PRIVATE_DEBUG,
11369 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11370 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11371 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11372 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11373 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11374 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11375 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11376 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11377 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11378 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11379 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11380 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11381 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11382 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11383 (TREE_RANGE_CHECK): New.
11384 (empty_body_p): Declare.
11385 (enum omp_clause_default_kind): New.
11386 (build_string_literal): Declare.
11387 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11388 (build5_stat, build5): Declare.
11389 * tree-pass.h (TDF_CHAIN): Define.
11390 * tree-pass.h (PROP_gimple_lomp): Define.
11391 (pass_lower_omp): Declare.
11392 * diagnostic.h (debug_tree_chain): Declare.
11393 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11395 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11396 * builtins.c (build_string_literal): Make extern.
11397 * gcc.c (include_spec_function): New.
11398 (static_spec_functions): Add it.
11399 (main): Move load of libgomp.spec ...
11400 (LINK_COMMAND_SPEC): ... here.
11401 (link_gomp_spec): New.
11402 (static_specs): Include it.
11403 (LINK_COMMAND_SPEC): Add link_gomp.
11404 (GOMP_SELF_SPECS): New.
11405 (driver_self_specs): Include it.
11406 (switch_matches): Don't mark inline.
11407 (main): Load libgomp.spec.
11408 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11409 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11410 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11411 * tree-gimple.h (enum omp_parallel): Declare.
11412 (determine_parallel_type): Declare.
11413 (omp_firstprivatize_variable): Declare.
11414 (omp_reduction_init): Declare.
11415 (diagnose_omp_structured_block_errors): Declare.
11416 (struct walk_stmt_info): Add want_return_expr.
11417 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11418 (find_omp_clause): Declare.
11419 (insert_field_into_struct): Declare.
11420 (struct walk_stmt_info): Move from tree-nested.c
11421 (walk_stmts): Declare.
11422 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11424 * cgraphunit.c (cgraph_lower_function): Make static.
11425 (cgraph_finalize_pending_functions): New.
11426 (cgraph_finalize_function): Call it.
11427 (cgraph_finalize_compilation_unit): Likewise.
11428 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11429 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11430 (BT_FN_UINT_UINT): New.
11431 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11432 DEF_FUNCTION_TYPE_VAR_4): Document.
11433 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11434 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11435 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11436 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11437 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11438 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11439 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11440 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11441 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11442 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11443 into separate files.
11444 (DEF_GOMP_BUILTIN): New.
11445 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11446 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11447 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11448 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11449 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11450 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11451 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11452 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11453 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11454 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11455 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11456 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11457 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11458 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11459 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11460 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11461 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11462 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11463 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11464 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11465 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11466 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11467 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11468 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11469 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11470 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11471 * sync-builtins.def: New file, moved from builtins.def.
11472 * omp-builtins.def: New file, moved from builtins.def.
11473 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11474 * gimple-low.c (lower_function_body): Clear data.
11475 (lower_stmt): Do not handle COMPOUND_EXPR.
11476 Remove call to print_node_brief.
11477 * c-tree.h (c_finish_omp_clauses): New prototype.
11478 (C_DECL_THREADPRIVATE_P): Define.
11479 (lookup_name_no_remap, c_omp_remap_private): Remove
11480 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11481 (check_for_loop_decls): Update decl.
11482 (lookup_name_no_remap, c_omp_remap_private): Declare.
11483 (build_indirect_ref, build_modify_expr, pushdecl,
11484 pushdecl_top_level): Move to c-common.h.
11485 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11486 before the switch, but just in the 2 places that need it.
11487 * c-decl.c (diagnose_mismatched_decls): Do not check for
11488 mismatched thread-local attributes when OLDDECL is marked
11489 threadprivate and NEWDECL has no thread-local attributes.
11490 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11491 (c_gimple_diagnostics_recursively): Rename from
11492 c_warn_unused_result_recursively. Invoke
11493 diagnose_omp_structured_block_errors.
11494 (check_for_loop_decls): Return a singular decl found.
11495 * langhooks.c (lhd_omp_predetermined_sharing): Return
11496 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11497 (lhd_omp_firstprivatize_type_sizes): New.
11498 (lhd_omp_assignment): New.
11499 (lhd_omp_predetermined_sharing): New.
11500 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11501 (struct lang_hooks_for_types): Add
11502 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11503 omp_predetermined_sharing, omp_disregard_value_expr,
11504 omp_private_debug_clause, omp_clause_default_ctor,
11505 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11506 (c_finish_omp_clauses): New.
11507 (c_finish_bc_stmt): Diagnose break within omp for.
11508 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11509 (build_unary_op): Return error_mark after reporting
11511 (build_modify_expr): Likewise.
11512 * gimplify.c: Include optabs.h and pointer-set.h.
11513 (enum gimplify_omp_var_data): Declare.
11514 (struct gimplify_omp_ctx): Declare.
11515 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11517 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11518 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11519 (splay_tree_compare_decl_uid): New.
11520 (new_omp_context): New.
11521 (delete_omp_context): New.
11522 (gimple_add_tmp_var): Call omp_add_variable.
11523 (gimplify_bind_expr): Likewise.
11524 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11525 true, disregard DECL_VALUE_EXPR on the decl if any.
11526 (gimplify_expr_in_ctx): New.
11527 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11528 omp_add_variable, omp_notice_variable, omp_is_private
11529 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11530 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11531 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11532 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11533 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11534 gimplify_omp_atomic): New.
11535 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11536 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11537 OMP_CRITICAL and OMP_ATOMIC.
11538 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11539 * c-pragma.h (enum pragma_kind): Add
11540 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11541 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11542 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11543 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11544 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11545 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11546 PRAGMA_OMP_THREADPRIVATE.
11547 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11548 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11549 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11550 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11551 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11552 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11553 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11554 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11555 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11556 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11557 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11558 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11559 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11561 (struct nesting_info): Add field_map,
11562 suppress_expansion, debug_var_chain.
11563 (create_nesting_tree): Initialize them.
11564 (lookup_field_for_decl): Use field_map.
11565 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11566 (convert_local_omp_clauses): New.
11567 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11568 (walk_body): Split out of walk_function.
11569 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11570 (convert_nonlocal_reference): Handle omp statements.
11571 (convert_local_reference): Likewise.
11572 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11573 (unnest_nesting_tree): New.
11574 (lower_nested_functions): Call it.
11575 (insert_field_into_struct): Make extern.
11576 (struct walk_stmt_info): Move to tree-gimple.h.
11577 (walk_stmts): Make extern.
11578 * omp-builtins.def: New file.
11579 * tree-iterator.c (expr_only): Clarify comment.
11580 * c-common.h (pushdecl_top_level, pushdecl,
11581 build_modify_expr, build_indirect_ref,
11582 c_finish_omp_master, c_finish_omp_critical,
11583 c_finish_omp_ordered, c_finish_omp_barrier,
11584 c_finish_omp_atomic, c_finish_omp_flush,
11585 c_finish_omp_for, c_split_parallel_clauses,
11586 omp_clause_default_kind, c_omp_sharing_predetermined,
11587 c_omp_remap_decl): Declare.
11588 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11589 (OBJS-common): Add omp-low.o.
11590 (c-omp.o, omp-low.o): Add.
11591 (gimplify.o): Add dependency on $(OPTABS_H).
11592 (GTFILES): Add omp-low.c.
11593 (gt-stringpool.h): Add.
11594 * tree-cfg.c (set_bb_for_stmt): Do not update the
11595 block-to-labels map if we are currently expanding to RTL.
11596 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11598 Handle IDENTIFIER_NODE.
11599 (tree_verify_flow_info): Do not ICE when emitting error
11600 messages about invalid labels.
11601 (dump_function_to_file): Reset CFUN before emitting the body
11603 (debug_function): New.
11604 * passes.c (init_optimization_passes): Schedule
11606 * langhooks-def.h (lhd_omp_predetermined_sharing,
11607 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11609 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11610 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11611 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11612 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11613 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11614 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11615 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11616 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11617 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11618 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11619 (LANG_HOOK_DECLS): Use them.
11621 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11622 Richard Henderson <rth@redhat.com>
11623 Jakub Jelinek <jakub@redhat.com>
11624 Diego Novillo <dnovillo@redhat.com>
11626 * c-parser.c (pragma_omp_clause): Define.
11627 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11628 (c_parser_compound_statement): Likewise.
11629 (c_parser_statement): Likewise.
11630 (c_parser_pragma): Handle omp pragmas.
11631 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11632 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11633 (c_parser_omp_clause_name, check_no_duplicate_clause,
11634 c_parser_omp_variable_list,
11635 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11636 c_parser_omp_clause_copyprivate,
11637 c_parser_omp_clause_default,
11638 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11639 c_parser_omp_clause_lastprivate,
11640 c_parser_omp_clause_nowait,
11641 c_parser_omp_clause_num_threads,
11642 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11643 c_parser_omp_clause_reduction,
11644 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11645 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11646 c_parser_omp_atomic, c_parser_omp_barrier,
11647 c_parser_omp_critical, c_parser_omp_flush,
11648 c_parser_omp_for_loop, c_parser_omp_for,
11649 c_parser_omp_master, c_parser_omp_ordered,
11650 c_parser_omp_sections_scope, c_parser_omp_sections,
11651 c_parser_omp_parallel, c_parser_omp_single,
11652 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11653 * c-pragma.c (init_pragma): Do omp pragma registration here.
11654 * c.opt (fopenmp): New flag.
11656 2006-01-18 Eric Christopher <echristo@apple.com>
11658 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11659 * config/darwin.h (GOMP_SELF_SPECS): Define.
11661 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11663 * rtl.h: Remove the prototype for reg_alloc.
11665 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11668 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11669 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11670 sjlj and dwarf2 exception handling.
11671 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11672 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11673 * pa/pa.c (function_value): Treat complex and vector types as
11675 (function_arg): Likewise. Only pass scalar floats in the floating
11676 point argument registers.
11677 * pa/t-slibgcc-dwarf-ver: New file.
11678 * pa/t-slibgcc-sjlj-ver: New file.
11679 * pa/t-slibgcc-elf-ver: Delete file.
11681 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11683 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11684 unlikely_test_section_p test.
11686 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11688 * mode-switching.c (optimize_mode_switching): Make it static.
11689 * basic-block.h: Remove the prototype for
11690 optimize_mode_switching.
11692 * modulo-sched.c (sms_schedule): Make it static.
11693 * rtl.h: Remove the prototype for sms_schedule.
11695 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11696 * rtl.h: Remove the prototype for gcse_after_reload_main.
11698 * reg-stack.c (reg_to_stack): Make it static.
11699 * rtl.h: Remove the prototype for reg_to_stack.
11701 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11703 * rtl.h: Remove the prototypes for regrename_optimize and
11704 copyprop_hardreg_forward.
11706 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11708 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11709 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11710 Test against the appropriate null constant for the mode.
11711 If 'fixup_overlap' is true, swap the operands if they overlap.
11712 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11713 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11714 alpha_split_tmode_pair and adjust for above change.
11715 * config/alpha/alpha.md (movtf_internal): Adjust call to
11716 alpha_split_tfmode_pair and rely on it to swap the operands.
11717 (movti_internal): New insn and post-reload splitter.
11718 (movti): New expander.
11720 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11722 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11725 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11727 * rtlanal.c (global_reg_mentioned_p_1,
11728 global_reg_mentioned_p): Remove.
11729 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11731 * flow.c (initialize_uninitialized_subregs): Make it static.
11732 * rtl.h: Remove the prototype for
11733 initialize_uninitialized_subregs.
11735 * function.c (instantiate_virtual_regs): Make it static.
11736 * function.h: Remove the prototype for
11737 instantiate_virtual_regs.
11739 * regmove.c (regmove_optimize, combine_stack_adjustments):
11741 * rtl.h: Remove the prototypes for regmove_optimize and
11742 combine_stack_adjustments.
11744 2006-01-17 Roger Sayle <roger@eyesopen.com>
11746 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11747 (size_cost): Encode costs in bytes so that a reg-reg addition is
11748 equivalent to COSTS_N_INSNS(1).
11749 (override_options): Use the size_cost.branch_cost as the default
11750 ix86_branch_cost when optimizing for size.
11752 2006-01-18 Ben Elliston <bje@au.ibm.com>
11754 * Makefile.in (D32PBIT_FUNCS): New.
11755 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11756 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11757 D64PBIT_FUNCS and D128PBIT_FUNCS.
11758 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11759 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11761 (decnumber_dep): Define.
11762 * doc/libgcc.texi (Decimal float library routines): New node.
11763 * config/dfp-bit.h, config/dfp-bit.c: New files.
11765 2006-01-18 Ben Elliston <bje@au.ibm.com>
11767 * expr.c (emit_move_change_mode): Always adjust addresses, not
11768 just during reload. Copy replacements only during reload.
11769 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11770 emit_move_via_integer.
11772 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11774 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11775 instead of $(srcdir) and ${srcdir}.
11777 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11780 PR middle-end/11135
11781 * arm.h (struct machine_function): Add pic_reg.
11782 * arm.c (arm_pic_register): Make unsigned.
11783 (arm_override_options): Only set arm_pic_register if
11784 TARGET_SINGLE_PIC_BASE.
11785 (use_return_insn): Only test for a pic register if it is fixed.
11786 (arm_compute_save_reg0_reg12_mask): Likewise.
11787 (thumb_compute_save_reg_mask): Likewise.
11788 (legitimate_pic_operand): Factor out some known invariants.
11789 (legitimize_pic_address): If we don't have a fixed pic register,
11790 then set up a pseudo in the function entry sequence. Handle the
11791 pic base being in a pseudo.
11792 (arm_load_pic_register): Handle the pic register being in a pseudo.
11793 (arm_expand_prologue): Only set up the pic register if it is fixed.
11794 (thumb_expand_prologue): Likewise.
11795 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11796 (pic_load_addr_based_insn): Likewise.
11797 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11800 2006-01-18 Ben Elliston <bje@au.ibm.com>
11802 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11803 decimal float modes for all floating point registers.
11805 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11806 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11808 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11811 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11812 even when the pointer is not NULL.
11814 2006-01-16 Ian Lance Taylor <ian@airs.com>
11816 * common.opt (ftoplevel-reorder): New option.
11817 * cgraph.c (cgraph_asm_nodes): New global variable.
11818 (cgraph_asm_last_node): New static variable.
11819 (cgraph_order): New global variable.
11820 (cgraph_create_node): Set new order field.
11821 (cgraph_varpool_node): Likewise.
11822 (decide_is_variable_needed): Return true if not
11823 flag_toplevel_reorder.
11824 (cgraph_add_asm_node): New function.
11825 * cgraph.h (struct cgraph_node): Add order field.
11826 (struct cgraph_varpool_node): Add order field.
11827 (struct cgraph_asm_node): Define.
11828 (cgraph_asm_nodes, cgraph_order): Declare.
11829 (cgraph_add_asm_node): Declare.
11830 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11832 (cgraph_varpool_assemble_pending_decls): Call it.
11833 (cgraph_output_pending_asms): New static function.
11834 (cgraph_finalize_compilation_unit): Call it.
11835 (struct cgraph_order_sort): Define.
11836 (cgraph_output_in_order): New static function.
11837 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11838 !flag_toplevel_reorder case.
11839 * c-parser.c: Include "cgraph.h".
11840 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11842 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11843 than -fno-unit-at-a-time.
11844 * doc/invoke.texi (Option Summary): Mention
11845 -fno-toplevel-reorder.
11846 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11847 -funit-at-a-time documentation.
11849 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11850 Kazu Hirata <kazu@codesourcery.com>
11852 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11854 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11856 * Makefile.in (FUNCTION_H): New. Use it instead of
11857 function.h throughout the file.
11858 * function.h: Include tree.h.
11860 2006-01-17 Ben Elliston <bje@au.ibm.com>
11862 * recog.c: Separate some functions with whitespace.
11864 2006-01-16 Richard Henderson <rth@redhat.com>
11866 Merge from gomp branch:
11867 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11868 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11869 and rename from struct inline_data. Rename callee* to dst*;
11870 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11871 transform_new_cfg, transform_return_to_modify, and
11872 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11874 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11875 (copy_decl_for_dup): Remove.
11876 * tree-inline.c (struct inline_data): Move to header.
11877 (insert_decl_map): Export.
11878 (remap_decl): Update for member name changes. Use copy_decl hook.
11879 Allow for replacement to be a non-decl. Remove dead code.
11880 (remap_type_1): Check for existing mapping.
11881 (remap_type): Export.
11882 (remap_decls): Update for member name changes.
11883 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11884 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11885 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11886 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11887 (tree_function_versioning, build_duplicate_type): Likewise.
11888 (copy_body_r): Likewise. Export.
11889 (copy_decl_for_dup): Split into ...
11890 (copy_decl_for_dup_finish, copy_decl_to_var,
11891 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11892 (replace_ref_tree, inlining_p): Remove.
11894 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11896 * ifcvt.c (if_convert): Make it static.
11897 * rtl.h: Remove the prototype for if_convert.
11899 * local-alloc.c (local_alloc): Make it static.
11900 * rtl.h: Remove the prototype for local_alloc.
11902 * loop.c (loop_optimize): Make it static.
11903 * cfgloop.h: Remove the prototype for loop_optimize.
11906 2006-01-16 DJ Delorie <dj@redhat.com>
11908 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11911 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11913 * pa.md: Disparage copies between general and floating-point registers
11914 in 32-bit move patterns.
11916 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11919 * Makefile.in (check-%): Depend on site.exp instead of
11920 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11923 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11925 * global.c (global_alloc): Make it static.
11926 * rtl.h: Remove the prototype for global_alloc.
11928 2006-01-16 Richard Guenther <rguenther@suse.de>
11930 * tree-ssa-alias.c (struct used_part): Add write_only field.
11931 (get_or_create_used_part_for): Initialize it to true.
11932 (create_overlap_variables_for): Don't create structure variables
11933 for structures that only are written to.
11934 (find_used_portions): Handle MODIFY_EXPR to track whether a
11935 structure is only written to.
11937 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11939 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11941 * basic-block.h: Remove the prototype for
11942 partition_hot_cold_basic_blocks.
11944 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11946 * cppspec.c (lang_specific_spec_functions): Remove.
11947 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11948 * gcc.h (lang_specific_spec_functions): Remove.
11949 * gccspec.c (lang_specific_spec_functions): Remove.
11951 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11953 * combine.c (record_value_for_reg): Invalidate registers
11955 (record_dead_and_set_regs_1): Likewise, by passing them to
11956 record_value_for_reg.
11957 (record_dead_and_set_regs): Invalidate stores made by a
11958 call. We do not combine across a call, but we still
11959 relied on equivalences.
11961 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11963 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11964 vrp_int_const_binop returning non-constant nodes.
11966 2006-01-16 Paul Brook <paul@codesourcery.com>
11968 * config/m68k/m68k.c (output_move_const_into_data_reg):
11969 Output correct mnemonic for mvz and mvs.
11971 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11973 * rtl-factoring.c: Add sequence abstraction algorithm.
11974 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11975 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11977 (block_has_preserve_label): New function.
11978 * common.opt: Register new pass.
11979 * Makefile.in: Ditto.
11981 * timevar.def: Ditto.
11982 * tree-pass.h: Ditto.
11983 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11984 * rtl.h (make_jump_insn_raw): Add forward decl.
11985 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11987 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11988 Roger Sayle <roger@eyesopen.com>
11990 * fold-const.c (fold_minmax): New static function.
11991 (fold_binary) <MIN_EXPR>: Call it.
11992 <MAX_EXPR>: Likewise.
11993 * stor-layout.c (place_field): Use DECL_SIZE consistently
11994 in the computation of the new record size.
11996 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11998 * cse.c (cse_condition_code_reg): Make it static.
11999 * rtl.h: Remove the prototype for cse_condition_code_reg.
12001 * combine.c (combine_instructions): Make it static.
12002 * rtl.h: Remove the prototype for combine_instructions.
12004 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12007 * tree.c (get_file_function_name_long): Concatenate the first global
12008 object name with a string derived from the input filename of the object
12011 2006-01-16 Ben Elliston <bje@au.ibm.com>
12013 * config/i386/winnt-stubs.c: Update FSF address.
12014 * config/xtensa/ieee754-df.S: Ditto.
12015 * config/xtensa/ieee754-sf.S: Ditto.
12017 2006-01-14 Ian Lance Taylor <ian@airs.com>
12019 * ifcvt.c (noce_init_if_info): New static function, broken out of
12020 noce_process_if_block.
12021 (noce_process_if_block): Call noce_init_if_info.
12022 (check_cond_move_block): New static function.
12023 (cond_move_process_if_block): New static function.
12024 (process_if_block): Call cond_move_process_if_block.
12026 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12028 * cselib.c (hash_table): Rename to cselib_hash_table.
12029 (cselib_clear_table, discard_useless_values,
12030 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12031 cselib_init, cselib_finish): Adjust uses of hash_table.
12033 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12035 PR tree-optimization/25485
12036 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12037 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12038 is known to be false and true, respectively.
12040 2006-01-14 Richard Guenther <rguenther@suse.de>
12042 PR tree-optimization/22548
12043 PR tree-optimization/22555
12044 PR tree-optimization/22501
12045 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12046 * params.def (salias-max-array-elements): New parameter.
12047 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12048 * doc/invoke.texi (salias-max-array-elements): Document.
12049 * tree-flow-inline.h (var_can_have_subvars): We also handle
12051 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12053 * tree-ssa-structalias.c (params.h): Include.
12054 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12055 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12056 (get_constraint_for): For ADDR_EXPR operating on something
12057 containing an ARRAY_REF, add all subvars to the solution.
12058 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12059 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12060 for creating MUST_DEFs.
12061 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12063 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12065 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12067 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12068 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12069 number_of_iterations_le): New functions.
12070 (number_of_iterations_special): Removed.
12071 (number_of_iterations_exit): Do not use number_of_iterations_special.
12072 * tree.c (unsigned_type_for): Always return integer type.
12074 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12075 Richard Guenther <rguenther@suse.de>
12077 PR rtl-optimization/24257
12078 * gcse.c (find_moveable_store): Only consider a store movable
12079 when the SET_SRC of the insn can be assigned to a register.
12081 2006-01-14 Ian Lance Taylor <ian@airs.com>
12083 * tree.c (tree_not_class_check_failed): New function.
12084 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12085 (tree_not_class_check_failed): Declare.
12087 2006-01-13 Ian Lance Taylor <ian@airs.com>
12089 * reload1.c (do_output_reload): Add assertion rejecting a
12092 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12094 * combine.c (struct reg_stat): Add new fields truncation_label and
12096 (record_value_for_reg): Reset truncated_to_mode.
12097 (record_truncated_value): New function.
12098 (check_promoted_subreg): Call it. Rename to check_conversions.
12099 (combine_instructions): Rename check_promoted_subreg to
12101 (reg_truncated_to_mode): New function.
12102 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12103 (gen_lowpart_or_truncate): New function.
12104 (force_to_mode): Use it instead of gen_lowpart.
12106 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12108 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12109 VAR is a tag, not its type tag.
12111 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12113 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12114 alternatives to match style of other entries.
12115 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12117 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12119 PR tree-optimization/25771
12120 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12123 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12126 * tree-inline.c (declare_return_variable): If the return variable
12127 was marked as a non gimple complex, set the return slot variable
12128 to be a non gimple comple variable.
12130 2006-01-13 Richard Guenther <rguenther@suse.de>
12132 * builtins.c (expand_builtin_sincos): New function.
12133 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12135 (expand_builtin): Expand sincos using expand_builtin_sincos.
12137 2006-01-12 DJ Delorie <dj@redhat.com>
12139 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12140 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12141 so that constant shifts can be split.
12142 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12143 (m32c_valid_pointer_mode): Make static.
12144 (shift_gen_func_for): New.
12145 (m32c_prepare_shift): Use it. Split large const shifts into
12147 * config/m32c/predicates.md (shiftcount_operand): Allow more
12149 (longshiftcount_operand): New.
12150 * doc/md.texi (Machine Constraints): Document In6.
12152 2006-01-13 Ben Elliston <bje@au.ibm.com>
12154 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12155 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12158 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12160 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12161 to try to avoid clobbering pieces of structures when we know
12162 something about the whole structure.
12163 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12165 2006-01-13 Ben Elliston <bje@au.ibm.com>
12167 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12168 return in memory, as this is no limitation is no longer present.
12170 2006-01-12 DJ Delorie <dj@redhat.com>
12172 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12173 mova with fb, and for fb+0 -> An.
12175 * config/m32c/mov.md (peephole2): Fix enabling logic.
12177 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12178 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12179 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12180 FINI_ARRAY_SECTION_ASM_OP): Define.
12182 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12184 (m32c_legitimize_reload_address): New logic to reload FB to An.
12185 (m32c_output_reg_push): Add newline.
12186 (m32c_output_reg_pop): Likewise.
12188 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12190 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12192 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12194 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12196 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12198 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12201 2006-01-11 Ben Elliston <bje@au.ibm.com>
12203 * rtlanal.c (find_reg_note): Assert insn is not null.
12205 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12207 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12210 2006-01-11 Jeff Law <law@redhat.com>
12212 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12214 (mark_threaded_blocks, register_jump_thread): New functions.
12215 (thread_through_all_blocks): Remove unwanted argument. No
12216 longer rely on e->aux to communicate thread target info.
12217 Call mark_threaded_blocks. Release the threaded_blocks
12218 bitmap and threaded_edges vector when complete.
12219 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12220 (threaded_blocks): Remove.
12221 (tree_ssa_dominator_optimize): Remove initialization and
12222 finalization of threaded_blocks. Simplify call to
12223 thread_through_all_blocks.
12224 (thread_across_edge): Call register_jump_thread rather than
12225 storing thread information into e->aux.
12226 (free_all_edge_infos): Simplify now that e->aux is no longer
12227 used to communicate with thread_through_all_blocks.
12228 * tree-flow.h (thread_through_all_blocks): Update prototype.
12229 (register_jump_thread): Prototype.
12231 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12233 * df-core.c (df_compact_blocks, df_bb_replace): Use
12234 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12236 2006-01-11 Richard Guenther <rguenther@suse.de>
12238 PR tree-optimization/25734
12239 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12240 stop propagation after successful propagation to the LHS.
12242 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12244 * basic-block.h (control_flow_graph): Change the type of
12245 x_basic_block_info to VEC(basic_block,gc) *.
12246 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12248 (SET_BASIC_BLOCK): New.
12249 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12250 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12251 * cfgbuild.c (find_basic_blocks): Likewise.
12252 * cfglayout.c (fixup_reorder_chain): Likewise.
12253 * cfgrtl.c (create_basic_block_structure,
12254 rtl_create_basic_block): Likewise.
12255 * ifcvt.c (find_if_case_1): Likewise.
12256 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12259 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12261 * Makefile.in: Removed rotted odf.c entry.
12263 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12266 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12267 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12268 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12269 output pattern modifier, not %e.
12270 * config/cris/cris.c (cris_op_str): Update comment about pattern
12272 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12273 before falling through into...
12274 <case 'E'>: Redefined from old 'e' case.
12276 2006-01-11 Jan Hubicka <jh@suse.cz>
12279 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12281 2006-01-11 Jan Hubicka <jh@suse.cz>
12283 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12284 * i386.c (x86_decompose_lea): Kill.
12285 (ix86_rtx_costs): Kill.
12287 2006-01-11 Jan Hubicka <jh@suse.cz>
12289 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12290 * cgraph.h (cgraph_node): Add inline_decl.
12291 (cgraph_insert_node_to_hashtable): Declare.
12292 (save_inline_function_body): Declare.
12293 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12295 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12296 (cgraph_function_versioning): Update call of tree_function_versioning.
12297 (save_inline_function_body): New function.
12298 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12299 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12300 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12301 (cgraph_default_inline_p): Likewise.
12302 (cgraph_decide_inlining_incrementally): Likewise.
12303 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12304 (copy_bb): Kill saving; do updating of clones.
12305 (copy_cfg_body): Kill saving.
12306 (initialize_inlined-parameters): Likewise.
12307 (expand_call_inline): Likewise.
12309 (tree_function_versioning): New parameter "update_clones".
12310 (inlining_p): Kill saving.
12311 * tree-inline.h (tree_function_versioning): Update prototype.
12312 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12315 2006-01-11 Ian Lance Taylor <ian@airs.com>
12317 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12318 Allow undoing set of machine mode.
12319 (do_SUBST): Use enums instead of is_int.
12320 (do_SUBST_MODE): New function.
12321 (SUBST_MODE): New macro.
12322 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12323 reg and trying to replace reg_regno_rtx with a new register.
12324 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12325 (simplify_set): Use SUBST_MODE.
12326 (distribute_notes): Remove code that tried to update reg notes
12327 for regno_reg_rtx changes.
12329 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12331 PR tree-optimization/23109
12332 PR tree-optimization/23948
12333 PR tree-optimization/24123
12335 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12336 * tree-cfg.c (single_noncomplex_succ): New.
12337 * tree-flow.h (single_noncomplex_succ): Declare it.
12338 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12339 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12340 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12341 insert_bb, register_division_in, insert_reciprocals,
12342 replace_reciprocal, free_bb): New.
12343 (execute_cse_reciprocals_1): Rewritten.
12344 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12345 Do not commit any edge insertion. Always compute dominators and
12346 create the allocation pool.
12347 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12348 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12349 * targhooks.c (default_min_divistions_for_recip_mul): New.
12350 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12351 * passes.c (init_optimization_passes): Run recip after tree loop
12353 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12355 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12356 Kenneth Zadeck <zadeck@naturalbridge.com>
12358 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12359 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12360 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12361 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12362 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12363 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12364 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12365 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12366 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12367 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12368 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12369 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12370 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12371 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12372 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12373 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12374 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12375 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12376 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12377 DF_SCAN_POST_ALLOC): New macros.
12378 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12379 df_free_bb_function, df_local_compute_function, df_init_function,
12380 df_dataflow_function, df_confluence_function_0,
12381 df_confluence_function_n, df_transfer_function,
12382 df_finalizer_function, df_free_function, df_dump_problem_function,
12383 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12384 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12385 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12386 df_urec_bb_info, ) New types.
12387 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12389 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12390 df_analyze_simple_change_some_blocks,
12391 df_analyze_simple_change_one_block, df_compact_blocks,
12392 df_bb_replace, df_bb_regno_last_use_find,
12393 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12394 df_insn_regno_def_p, df_find_def, df_find_use,
12395 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12396 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12397 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12398 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12399 debug_df_chain, df_get_dependent_problem, df_chain_create,
12400 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12401 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12402 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12403 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12404 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12405 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12406 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12407 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12408 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12409 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12410 df_reorganize_refs, df_set_state, df_hard_reg_init,
12411 df_read_modify_subreg_p) New public functions.
12412 * df-core.c: The core dataflow solver and glue routines for rtl
12414 (df_init, df_add_problem, df_set_blocks, df_finish,
12415 df_hybrid_search_forward, df_hybrid_search_backward,
12416 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12417 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12418 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12419 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12420 df_reg_defined, df_find_use, df_reg_used, df_dump,
12421 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12422 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12423 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12424 debug_df_useno, reset_df_after_reload): New functions.
12425 * df-scan.c: The scanning fuctions, once in df.c, completely
12426 rewritten so that they now fully model the functionality of
12427 register usage at the backend.
12428 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12429 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12430 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12431 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12432 df_get_artificial_defs, df_get_artificial_uses,
12433 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12434 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12435 df_refs_delete, df_reorganize_refs, df_set_state,
12436 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12437 df_def_record_1, df_defs_record, df_uses_record,
12438 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12439 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12440 df_record_exit_block_uses, df_hard_reg_init): New functions.
12442 * df-problems.c: Seven concrete dataflow problems that use the
12443 scanning in df-scan.c and are solved by the engine in df-core.c.
12444 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12445 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12446 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12447 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12448 df_ru_free_bb_info, df_ru_alloc,
12449 df_ru_bb_local_compute_process_def,
12450 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12451 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12452 df_ru_transfer_function, df_ru_free, df_ru_dump,
12453 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12454 df_rd_free_bb_info, df_rd_alloc,
12455 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12456 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12457 df_rd_transfer_function, df_rd_free, df_rd_dump,
12458 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12459 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12460 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12461 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12462 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12463 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12464 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12465 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12466 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12467 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12468 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12469 df_urec_mark_reg_use_for_earlyclobber,
12470 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12471 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12472 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12473 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12474 df_chain_create_bb_process_use, df_chain_create_bb,
12475 df_chain_finalize, df_chain_free, df_chains_dump,
12476 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12477 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12478 df_reg_lifetime): New functions.
12479 * df.c: Deleted file.
12480 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12481 consistent with new df api.
12482 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12483 rest_of_handle_sms): Ditto.
12484 * web.c (unionfind_union, union_defs, entry_register, web_main):
12486 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12487 invariant_expr_equal_p, find_defs, check_dependencies,
12488 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12489 free_inv_motion_data, move_loop_invariants): Ditto.
12490 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12491 Update dependencies.
12492 (odf.c): Added defective entry that was deleted later in day.
12493 * sched-deps.c (sched_analyze_1): Ditto.
12495 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12497 * tree-ssa-operands.c (get_expr_operands): Record addressable
12498 variables directly. Do not call add_stmt_operands for CONST_DECLs
12500 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12501 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12503 2006-01-11 Ben Elliston <bje@au.ibm.com>
12505 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12506 function returns true in the positive case.
12508 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12511 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12512 for SI, DI, SF and DF modes. Add alternatives to copy between
12513 general and floating point registers to the 32-bit patterns.
12514 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12515 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12516 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12517 generating 64-bit code.
12518 * config/pa/pa.c (output_move_double): Handle copies between general
12519 and floating registers.
12521 2006-01-10 Stuart Hastings <stuart@apple.com>
12523 * config/i386/i386.md (set_got): Update.
12524 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12525 (builtin_setjmp_receiver): Mach-O support.
12526 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12527 (GOT_SYMBOL_NAME): Define.
12528 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12529 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12530 * config/i386/i386.c (override_options): Revise for Darwin.
12531 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12532 support. (darwin_x86_file_end): New. (output_set_got): Add label
12533 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12534 * config/i386/i386-protos.h (output_set_got): Likewise.
12535 * config/darwin.c (machopic_legitimize_pic_address): Update
12538 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12540 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12541 when MODE isn't BLKmode.
12543 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12545 PR rtl-optimization/25367
12546 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12548 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12551 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12552 for a negative bound.
12554 2006-01-10 Richard Guenther <rguenther@suse.de>
12556 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12557 Never override with anything constraint.
12559 2006-01-10 Jan Beulich <jbeulich@novell.com>
12561 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12562 256 bits when optimize_size.
12564 2006-01-10 Jan Beulich <jbeulich@novell.com>
12566 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12568 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12569 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12572 2006-01-10 Ben Elliston <bje@au.ibm.com>
12574 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12576 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12577 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12578 (USE_FP_FOR_ARG): Reject decimal float modes.
12579 (function_arg_advance): Likewise.
12580 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12581 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12582 point types in AltiVec vectors.
12583 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12584 (rs6000_libcall_value): Likewise.
12586 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12588 * config/xtensa/ieee754-df.S: New file.
12589 * config/xtensa/ieee754-sf.S: New file.
12590 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12591 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12592 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12594 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12596 * config/sh/predicates.md (binary_float_operator,
12597 binary_logical_operator, commutative_float_operator,
12598 equality_comparison_operator, greater_comparison_operator,
12599 less_comparison_operator, logical_operator,
12600 noncommutative_float_operator, shift_operator,
12601 symbol_ref_operand, unary_float_operator): Remove redundant
12604 2006-01-09 Jeff Law <law@redhat.com>
12606 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12607 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12608 now unused arguments. Callers updated.
12609 (eliminate_redundant_computations): Remove now unused arguments,
12611 (local_fold): Remove, no longer used.
12612 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12614 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12615 (simplify_cond): New function.
12616 (forward_propagate_into_cond): Call simplify_cond.
12618 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12620 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12621 (*vec_extractv2di_1_sse): New.
12623 2006-01-09 Ben Elliston <bje@au.ibm.com>
12625 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12627 2006-01-08 Richard Guenther <rguenther@suse.de>
12629 * tree-ssa-structalias.c (get_constraint_for): Remove
12630 anyoffset argument.
12631 (get_constraint_for_component_ref): Likewise.
12632 (do_deref): Likewise.
12633 (get_constraint_for): Likewise.
12634 (do_structure_copy): Likewise.
12635 (handle_ptr_arith): Likewise.
12636 (find_func_aliases): Likewise. Remove unused need_anyoffset
12639 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12640 Kaz Kojima <kkojima@gcc.gnu.org>
12642 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12643 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12644 (EXTRA_CONSTRAINT_C16): Remove.
12645 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12646 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12647 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12648 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12649 constants of SHmedia. Handle nested constant expressions of
12651 (andcosts): Fix the costs for SHmedia constants.
12652 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12653 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12654 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12655 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12656 (movv4hi_i, movv2si_i): Likewise.
12657 (movsi_const): Adjust the second operand of ior so to match with
12658 the Csu constraint.
12659 (movdi_const, movdi_const_32bit): Likewise.
12660 (movdi_const_16bit+1): Don't sign-extend LOW.
12661 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12663 (*double_shori): Fix the split condition. Use GEN_INT instead
12664 of get_int_mode calls. Mask lower 16-bit of the argument of
12666 (sym2GOTPLT): Remove.
12667 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12669 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12670 instead of EXTRA_CONSTRAINT_C16.
12672 2006-01-07 Ian Lance Taylor <ian@airs.com>
12673 David Edelsohn <edelsohn@gnu.org>
12675 PR rtl-optimization/25662
12676 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12677 for constant operands instead of simplify_gen_binary.
12678 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12679 after trying simplify_binary_operation
12681 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12683 * tree.c (iterative_hash_expr): Hash decls based on UID.
12685 2006-01-06 Eric Christopher <echristo@apple.com>
12687 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12688 (TARGET_UNWIND_EMIT): Fix spelling.
12689 * target.h (gcc_target): Add except_table_label.
12690 * except.c (output_function_exception_table): Use.
12691 * varasm.c (default_emit_except_table_label): New.
12692 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12694 (asm_out): Add here.
12695 * output.h (default_emit_except_table_label): Prototype.
12696 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12697 * config/darwin.c (darwin_emit_except_table_label): Define.
12698 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12700 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12702 PR tree-optimization/18527
12703 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12704 number_of_iterations_special, number_of_iterations_exit):
12705 Move base and step of an iv to a single structure. Add
12706 no_overflow flag, and use it in # of iterations analysis.
12707 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12708 folded_casts argument.
12709 (simple_iv): Pass base and step in a structure. Set no_overflow
12711 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12712 Evaluate expensiveness of computing # of iterations instead of
12713 the final expression.
12714 * tree-scalar-evolution.h (affine_iv): New structure.
12715 (simple_iv): Declaration changed.
12716 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12717 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12718 find_givs_in_stmt): Changed due to simple_iv change.
12720 2006-01-06 Jeff Law <law@redhat.com>
12723 * tree-cfg.c (bsi_replace): Rename final argument from
12724 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12725 change (stmt -> orig_stmt).
12726 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12727 (bsi_remove): Add new argument. Remove EH information
12729 (verify_eh_throw_table_statements): New function.
12730 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12732 * tree-optimize.c (execute_free_cfg_annotations): Verify
12733 the EH throw statement table after removing annotations.
12734 * except.h (verify_eh_throw_table_statements): Prototype.
12735 * tree-flow.h (bsi_remove): Update prototype.
12736 * tree-vrp.c (remove_range_assertions): Add new argument to
12738 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12739 * tree-complex.c (expand_complex_div_wide): Likewise.
12740 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12741 * tree-tailcall.c (eliminate_tailcall): Likewise.
12742 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12743 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12744 * tree-nrv.c (tree_nrv): Likewise.
12745 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12746 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12747 (combine_blocks): Likewise.
12748 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12749 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12750 (cleanup_control_flow): Likewise.
12751 (remove_forwarder_block): Likewise.
12752 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12753 * tree-sra.c (sra_replace): Likewise.
12754 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12755 (forward_propagate_single_use_vars): Likewise.
12756 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12757 * tree-inline.c (expand_call_inline): Likewise.
12758 * tree-vect-transform.c (vect_transform_loop): Likewise.
12759 * tree-outof-ssa.c (rewrite_trees): Likewise.
12760 * tree-cfg.c (make_goto_expr_edges): Likewise.
12761 (cleanup_dead_labels): Likewise.
12762 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12763 (bsi_move_before, bsi_move_after): Likewise.
12764 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12765 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12767 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12770 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12772 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12773 on non gimple variables. Also add checks at the top for decls and
12775 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12777 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12778 and IMAGPART_EXPR for creating MUST_DEFs.
12779 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12780 and NAME_MEMORY_TAG separately from the DECLs.
12782 2006-01-06 Richard Guenther <rguenther@suse.de>
12784 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12785 annotation, if necessary.
12786 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12787 redundant calls to update_stmt.
12788 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12791 2006-01-05 Richard Henderson <rth@redhat.com>
12793 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12795 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12797 * c-typeck.c: Update copyright date.
12799 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12801 * c-typeck.c (build_c_cast): Always warn when casting
12802 from a pointer to an integer of different size, even if
12803 the node was constant.
12805 2006-01-05 Richard Guenther <rguenther@suse.de>
12807 PR tree-optimization/22555
12808 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12809 if one structure field is an array.
12810 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12811 operands even if we found a subvar, but ignore VOPs in this
12813 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12815 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12817 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12819 PR middle-end/24998
12820 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12822 2006-01-05 Richard Guenther <rguenther@suse.de>
12823 Diego Novillo <dnovillo@redhat.com>
12825 * tree-pass.h (TODO_remove_unused_locals): Define.
12826 * gimple-low.c (expand_var_p, remove_useless_vars,
12827 pass_remove_useless_vars): Remove. Update all users.
12828 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12829 (remove_unused_locals): New function.
12830 * tree-flow.h (remove_unused_locals): Declare.
12831 * passes.c (execute_todo): Call remove_unused_locals if
12832 TODO_remove_unused_locals is set.
12833 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12834 * tree-ssa-dce.c (pass_dce): Likewise.
12835 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12837 2006-01-05 Richard Guenther <rguenther@suse.de>
12839 * tree-flow.h (struct fieldoff): Decompose field to
12840 type, size and decl.
12841 * tree-ssa-alias.c (create_sft): Take type as parameter.
12842 (create_overlap_variables_for): Store type, size and decl
12843 in the fieldoff structure.
12844 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12845 of struct fieldoff.
12846 (push_fields_onto_fieldstack): Likewise.
12847 (create_variable_info_for): Likewise. Use offset for the
12848 SFT name if the decl is not available.
12850 2006-01-04 Paul Brook <paul@codesourcery.com>
12852 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12854 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12856 * lambda-code.c (can_put_in_inner_loop): Relax
12858 (can_put_after_inner_loop): New function.
12859 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12860 (perfect_nestify): Change to make copies and modify uses.
12862 2006-01-04 Richard Henderson <rth@redhat.com>
12864 Merge from gomp branch:
12865 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12866 via integer constant.
12867 (pragma_lex): Remove.
12868 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12869 rather than parsing it.
12870 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12871 handle_pragma_extern_prefix): Add %< %> quotes.
12872 (registered_pragmas): New.
12873 (c_register_pragma_1): New.
12874 (c_register_pragma): Use it.
12875 (c_register_pragma_with_expansion): Likewise.
12876 (c_invoke_pragma_handler): New.
12877 (init_pragma): Use cpp_register_deferred_pragma directly for
12879 * c-pragma.h (enum pragma_kind): New.
12880 (pragma_handler): New.
12881 (c_invoke_pragma_handler): Declare.
12882 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12884 * c-common.h (c_common_pch_pragma): Update decl.
12885 * Makefile.in (c-parser.o): Update dependencies.
12886 (GTFILES): Add c-pragma.h.
12887 * c-parser.c (struct c_token): Add pragma_kind.
12888 (struct c_parser): Add in_pragma.
12889 (c_lex_one_token): Always initialize keyword and pragma_kind.
12890 Extract data for CPP_PRAGMA.
12891 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12892 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12893 Don't allow CPP_PRAGMA_EOL if in_pragma.
12894 (c_parser_consume_pragma): New.
12895 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12896 (c_parser_skip_to_end_of_parameter): Likewise.
12897 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12898 (c_parser_skip_to_pragma_eol): New.
12899 (c_parser_external_declaration): Handle CPP_PRAGMA.
12900 (c_parser_compound_statement_nostart): Likewise.
12901 (c_parser_statement_after_labels): Likewise.
12902 (c_parser_pragma): New.
12903 (pragma_lex): Likewise.
12904 (c_parser_pragma_pch_preprocess): New.
12905 (c_parser_new): Merge into ...
12906 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12908 2006-01-04 Jeff Law <law@redhat.com>
12911 * tree-cfg.c (bsi_replace): Remove the original statement
12912 from the EH throw statement table.
12914 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12916 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12917 make the prototype extern "C" and add throw ().
12920 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12921 and pos non-negative and pos + len <= 32.
12922 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12923 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12924 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12927 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12928 as well as sizes not multiple of component size.
12931 * function.c (instantiate_expr): New function.
12932 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12933 walk its DECL_VALUE_EXPR with instantiate_expr.
12935 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12936 DW_OP_deref{,_size} if address isn't going to be added.
12938 2006-01-04 Ben Elliston <bje@au.ibm.com>
12940 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12941 * config/fp-bit.c: Likewise.
12943 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12945 * dominance.c: Add comment about why we use DFS numbering
12948 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12949 Richard Henderson <rth@redhat.com>
12951 Merge from gomp-branch:
12952 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12953 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12955 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12957 PR rtl-optimization/25578
12958 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12959 pass a parameter to simplify_shift_const if changing ASHIFTRT
12962 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12964 * builtins.c (get_builtin_sync_mem): New function.
12965 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12966 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12967 Call get_builtin_sync_mem to generate mem rtx.
12969 2006-01-03 Richard Guenther <rguenther@suse.de>
12972 * stmt.c (add_case_node): Make sure to clear overflow flags
12975 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12977 Merge from gomp-branch.
12978 * config/sparc/sync.md: New file.
12979 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12980 UNSPECV_LDSTUB): New constants.
12981 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12982 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12983 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12986 2006-01-03 Roger Sayle <roger@eyesopen.com>
12988 * combine.c (reg_subword_p): New predicate to test whether the
12989 destination of a set refers to a subword/piece of a register.
12990 (try_combine): Generalize the code to merge the setting of a
12991 pseudo to a constant followed by a set of a subword of that
12992 register to a constant.
12994 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12996 * basic-block.h (control_flow_graph): Change the type of
12997 x_label_to_block_map to VEC(basic_block,gc) *.
12998 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12999 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13001 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13002 VEC(basic_block,heap) *.
13003 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13004 ssa_prop_fini): Adjust the uses of cfg_blocks.
13006 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13008 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13010 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13011 hashing trees instead of a pointer hash.
13012 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13013 compare for MEM_EXPR.
13015 PR rtl-optimization/25130
13016 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13017 when comparing MEMs for GCSE
13019 2006-01-03 Ben Elliston <bje@au.ibm.com>
13021 * targhooks.h (default_decimal_float_supported_p): Declare.
13022 * targhooks.c (default_decimal_float_supported_p): Define.
13023 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13024 `default_decimal_float_supported_p'.
13025 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13027 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13029 * combine.c (apply_distributive_law <SUBREG>): Check
13030 TRULY_NOOP_TRUNCATION.
13032 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13034 * dwarf2out.c (have_switched_text_section): Delete.
13035 (have_multiple_function_sections): New.
13036 (have_location_lists): Make 'bool'.
13037 (add_AT_loc_list): Use 'true' not '1'.
13038 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13039 (output_loc_list): Use have_multiple_function_sections.
13040 (output_ranges): Likewise.
13041 (dwarf2out_begin_function): Set have_multiple_function_sections if
13043 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13044 Check function_section rather than DECL_SECTION_NAME.
13045 (dwarf2out_finish): Use have_multiple_function_sections.
13046 Don't clear have_location_lists.
13048 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13049 Jan Hubicka <jh@suse.cz>
13051 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13052 case of conditional jump jumping to the next instruction.
13053 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13054 cases of conditional jump jumping to the next instruction.
13056 2006-01-02 Jan Hubicka <jh@suse.cz>
13058 * i386.c (*_cost): Add COSTS_N_INSNS.
13059 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13061 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13064 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13066 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13068 * config/arm/arm.c (all_fpus): Fix comment typo.
13069 * config/darwin.c: Likewise.
13070 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13071 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13072 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13074 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13076 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13077 (rs6000_split_compare_and_swapqhi): New.
13078 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13079 (sync_compare_and_swapqhi_internal): New.
13080 * config/rs6000/rs6000-protos.h: Declare.