1 2006-07-12 Nick Clifton <nickc@redhat.com>
3 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6 2006-07-12 Mike Stump <mrs@apple.com>
9 * c-parser.c (c_parser_typeof_specifier): Don't use
10 c_finish_expr_stmt, open code desired semantics instead.
12 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
14 2006-07-10 Eric Christopher <echristo@apple.com>
16 * config/t-slibgcc-darwin: Rewrite.
18 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
21 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
24 2006-07-08 Matthias Klose <doko@debian.org>
26 * doc/sourcebuild.texi: Fix typo.
28 2006-07-07 Mike Stump <mrs@apple.com>
30 * toplev.c (process_options): Don't give -ffunction-sections may
31 affect debugging warning for Mach-O.
33 2006-07-07 James E Wilson <wilson@specifix.com>
35 * config/mips/mips.md (cpu): Add sb1a.
36 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
37 addition to sb1. Adjust comments to clarify SB-1A differences from
39 (ir_sb1a_load): New. Modify bypasses to use it.
40 (ir_sb1a_simple_alu): Likewise.
41 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
42 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
43 (mips_issue_rate): Add PROCESSOR_SB1A.
44 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
45 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
46 (TARGET_SB1): Add PROCESSOR_SB1A check.
49 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
50 * config/mips/mips.c (mips_store_data_bypass_p): New.
51 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
54 2006-07-08 Paul Brook <paul@codesourcery.com>
57 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
59 2006-07-07 Richard Guenther <rguenther@suse.de>
62 * tree.h (build_one_cst): Declare.
63 * tree.c (build_one_cst): New function.
64 * tree-ssa-math-opts.c (get_constant_one): Remove.
65 (insert_reciprocals): Use build_one_cst.
66 * fold-const.c (fold_plusminus_mult): Likewise.
68 2006-07-07 Roger Sayle <roger@eyesopen.com>
70 * pointer-set.c (pointer_set_destroy): Correct whitespace.
71 * cfgloopanal.c (dump_graph): Likewise.
72 * dojump.c (discard_pending_stack_adjust): Likewise.
73 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
75 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
76 * function.c (finalize_block_changes): Likewise.
77 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
78 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
79 * rtl.c (dump_rtx_statistics): Likewise.
80 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
82 * varray.c (dump_varray_statistics): Likewise.
83 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
84 decode_decimal64, encode_decimal128, decode_decimal128,
85 decimal_real_to_decimal): Likewise.
87 2006-07-07 Richard Guenther <rguenther@suse.de>
89 PR tree-optimization/28187
90 * tree-vrp.c (vrp_operand_equal_p): New function.
91 (vrp_bitmap_equal_p): Likewise.
92 (update_value_range): Use them to compare old and new
95 2006-07-06 Roger Sayle <roger@eyesopen.com>
97 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
98 a default case to switch statement to silence compiler warnings.
100 2006-07-06 Roger Sayle <roger@eyesopen.com>
103 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
104 the configured assembler supports the x87's ffreep mnemonic.
105 * configure: Regenerate.
106 * config.in: Regenerate.
108 * config/i386/i386.c (output_387_ffreep): New function.
109 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
110 (output_387_reg_move): Likewise.
112 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
114 Port to hosts whose 'sort' and 'tail' implementations
115 treat operands with leading '+' as file names, as POSIX
116 has required since 2001. However, make sure the code still
117 works on pre-POSIX hosts.
118 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
119 which says you should use "tail -c +N" rather than "tail +Nc".
120 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
122 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
124 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
127 2006-07-06 David Edelsohn <edelsohn@gnu.org>
130 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
131 PRE_{INC,DEC} of TFmode.
133 2006-07-06 David Edelsohn <edelsohn@gnu.org>
134 Alan Modra <amodra@bigpond.net.au>
137 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
140 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
143 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
144 Remove duplicate gtu.
146 2006-07-05 Jason Merrill <jason@redhat.com>
150 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
151 * c-common.c (handle_packed_attribute): So don't copy it here.
152 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
154 2006-07-05 Mike Stump <mrs@apple.com>
156 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
158 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
161 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
163 2006-07-05 Richard Guenther <rguenther@suse.de>
166 * config/i386/i386.md (*negdf2_1): Restrict pattern to
167 TARGET_SSE2 targets if using SSE math.
168 (*absdf2_1): Likewise.
170 2006-07-05 Richard Guenther <rguenther@suse.de>
172 PR tree-optimization/28162
173 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
174 make sure to convert the operands to the correct type.
176 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
178 PR tree-optimization/28218
180 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
181 to calculate and free the dominator information.
183 2006-07-04 Peter O'Gorman <peter@pogma.com>
185 * mklibgcc.in: chmod 644 before ranlib during install.
187 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
188 J"orn Rennecke <joern.rennecke@st.com>
190 * configure.ac (.eh_frame data check): Use diff -b.
192 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
195 * Makefile.in (BUILD_RTL): Add build/vec.o.
196 (build/gencondmd.o): Filter out -fkeep-inline-functions.
197 (build/genextract): Delete.
198 (build/genautomata): Likewise.
200 2006-07-04 Alan Modra <amodra@bigpond.net.au>
203 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
204 128-bit IBM long doubles for ABI_V4.
206 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
208 * tree.c (range_in_array_bounds_p): New predicate.
209 * tree.h (range_in_array_bounds_p): Declare it.
210 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
211 return a less conservative answer.
212 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
214 (IS_ELEMENT_FOR_GROUP): New macro.
215 (FOR_EACH_ACTUAL_CHILD): Likewise.
216 (next_child_for_group): New helper function.
217 (can_completely_scalarize_p): Take into account groups.
218 (sra_hash_tree): Handle RANGE_EXPR.
219 (sra_elt_eq): Likewise.
220 (lookup_element): Be prepared for handling groups.
221 (is_valid_const_index): Delete.
222 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
223 instead of is_valid_const_index.
224 <ARRAY_RANGE_REF>: New case.
225 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
226 is_valid_const_index.
227 <ARRAY_RANGE_REF>: Do not unconditionally punt.
228 (scan_dump): Dump info for groups too.
229 (decide_instantiation_1): Likewise.
230 (decide_block_copy): Assert that the element is not a group.
231 Propagate decision to groups.
232 (generate_one_element_ref): Handle RANGE_EXPR.
233 (mark_no_warning): Iterate over actual childs.
234 (generate_copy_inout): Likewise.
235 (generate_element_copy): Likewise.
236 (generate_element_zero): Likewise.
237 (generate_element_init_1): Likewise.
238 (dump_sra_elt_name): Handle RANGE_EXPR.
240 2006-07-03 Roger Sayle <roger@eyesopen.com>
242 PR tree-optimization/26251
243 * tree-ssa-threadupdate.c (redirection_block_p): New function.
244 (thread_block): When optimizing for size refuse to thread jumps
245 that would require duplication of blocks other than redirection
248 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
250 * configure.ac: Fix thinko in previous check-in.
251 * configure: Regenerate.
253 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
256 * configure.ac (for lang...): Simplify nesting of conditionals.
257 Test subdir_requires for non-enabled languages. Move processing
258 of lang_opt_files and lang_tree_fiels below that test.
259 * configure: Regenerate.
260 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
262 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
264 * doc/gcov.texi (Invoking Gcov): Add a missing word.
266 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
268 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
271 2006-06-29 Jason Merrill <jason@redhat.com>
278 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
279 * c-common.c (c_determine_visibility): Handle it here.
280 * c-decl.c (finish_decl): Call c_determine_visibility for
282 * flags.h (enum symbol_visibility): Sort from most to least visibility.
284 * varasm.c (default_assemble_visibility): Likewise.
285 * c-common.c (handle_visibility_attribute): Complain about trying
286 to give visibility to an already defined class, or trying to change
287 declared visibility. Always attach the attribute.
292 * attribs.c (decl_attributes): Ignore type-in-place attributes
293 once the type has been defined.
295 2006-06-29 Roger Sayle <roger@eyesopen.com>
298 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
299 to indicate the cpplib has issued an error message for us.
301 2006-06-29 Asher Langton <langton2@llnl.gov>
304 * config/i386/i386.c (ix86_output_function_epilogue): Don't
305 insert a label at the end of an function under Mach-O.
307 2006-06-29 Eric Christopher <echristo@apple.com>
308 Evan Cheng <evan.cheng@apple.com>
310 * predicates.md (vector_all_ones_operand): New.
311 (nonimmediate_or_sse_const_operand): Ditto.
312 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
313 * config/i386/i386.c (standard_sse_constant_opcode): Define.
314 (standard_sse_mode_p): Ditto.
315 (standard_sse_constant_p): Add case for -1 vector.
316 (ix86_expand_vector_move): Try to use.
317 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
318 Call standard_sse_constant_opcode.
319 (*movv4sf_internal): Ditto.
320 (*movv2df_internal): Ditto.
322 2006-06-29 Roger Sayle <roger@eyesopen.com>
324 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
325 of XEXP to extract the operands of a MATCH_CODE rtx.
327 2006-06-28 Andrew Pinski <pinskia@gmail.com>
329 * tree.c (tree_size): Do not waste tail padding in
330 struct tree_string and make the size be the same as
331 build_string will generate.
333 2006-06-28 Jason Merrill <jason@redhat.com>
336 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
337 may_aliases already in the tag's annotations to the bitmap.
339 2006-06-28 Roger Sayle <roger@eyesopen.com>
341 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
343 2006-06-28 Roger Sayle <roger@eyesopen.com>
345 * genpreds.c (generate_switch_p): New function.
346 (add_mode_tests): Push the new mode test down inside an AND expr
347 if this allows the switch-suitable MATCH_CODE to be near the root.
348 (write_match_code_switch): New function to write a MATCH_CODE as
350 (write_predicate_stmts): New function to write a predicate RTX
351 expression as a sequence of statements.
352 (write_one_predicate_function): Use write_predicate_stmts.
353 (write_tm_constrs_h): Likewise.
355 2006-06-26 Fred Fish <fnf@specifix.com>
357 * config/mips/t-sb1: New file.
358 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
361 2006-06-26 DJ Delorie <dj@redhat.com>
363 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
365 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
366 Jayant Sonar <jayants@kpitcummins.com>
367 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
369 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
370 (subsi3, subsi3_1, subsi3_2): New.
371 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
372 * config/m32c/mov.md (SI mov peephole): New.
373 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
374 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
376 2006-06-26 Olivier Hainque <hainque@adacore.com>
378 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
379 a CALL_EXPR target function declaration.
381 2006-06-26 Richard Guenther <rguenther@suse.de>
383 * tree.c (build_string): Do not waste tail padding in
386 2006-06-26 Richard Guenther <rguenther@suse.de>
388 * ggc-page.c (init_ggc): Add missing element to size_lookup
392 2006-06-23 Richard Guenther <rguenther@suse.de>
394 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
395 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
396 alignment requests instead. Add verification code.
397 Add struct tree_function_decl and struct tree_binfo size to
398 extra_order_size_table. Add missing element to size_lookup
401 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
404 * fold-const.c (const_binop): Be prepared for self returning zero.
405 Simplify code handling complex values.
407 2006-06-24 Olivier Hainque <hainque@adacore.com>
409 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
410 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
413 2006-06-24 Olivier Hainque <hainque@adacore.com>
415 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
416 ARRAY_REF, so have the callback called for the low bound expression.
418 2006-06-23 Janis Johnson <janis187@us.ibm.com>
420 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
421 * c-typeck.c (c_common_type): Disallow operations on decimal float
422 types and other float types.
423 * convert.c (convert_to_real): Don't ignore conversions involving
426 2006-06-23 Olivier Hainque <hainque@adacore.com>
428 * tree.c (max_int_size_in_bytes): New function, inspired from
429 code in function.c:assign_temp.
430 * tree.h (max_int_size_in_bytes): Declare.
431 * function.c (assign_temp): Use it.
432 * gimplify.c (create_tmp_var): Relax the assertions on the type
433 properties, not mandating constant size any more.
434 (force_constant_size): New static function.
435 (gimple_add_tmp_var): Use it, forcing variable size to a
436 constant upper bound if it is not constant on entry.
438 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
441 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
442 for initialization and setting of one_only flag to ...
443 (i386_pe_encode_section_info): ...here.
444 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
445 Recheck that the symbol has not been defined.
447 2006-06-23 Richard Guenther <rguenther@suse.de>
449 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
450 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
451 alignment requests instead. Add verification code.
452 Add struct tree_function_decl and struct tree_binfo size to
453 extra_order_size_table. Add missing element to size_lookup
456 2006-06-22 Roger Sayle <roger@eyesopen.com>
457 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
460 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
461 call to lang_hooks.types.type_for_mode returned NULL_TREE.
463 2006-06-23 Ben Elliston <bje@au.ibm.com>
465 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
466 negate dn -- manipulate it directly.
468 2006-06-22 Roger Sayle <roger@eyesopen.com>
469 Steven Bosscher <stevenb.gcc@gmail.com>
472 * reload1.c (gen_reload): Call mark_jump_label on the new insns
473 generated by gen_move_insn to add REG_LABEL notes if necessary.
475 2006-06-22 Bob Wilson <bob.wilson@acm.org>
477 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
478 (leaf_entry): Remove use of MIN_ESA.
480 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
482 PR rtl-optimization/28121
483 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
486 2006-06-21 DJ Delorie <dj@redhat.com>
488 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
490 (mulhisi3_r): Likewise.
492 2006-06-21 Richard Sandiford <richard@codesourcery.com>
495 * coverage.c (coverage_counter_alloc): Leave the index type
497 (coverage_counter_alloc): Use null arguments for operands 2 and 3
500 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
502 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
503 section from the "Options for Code Generation Conventions".
505 2006-06-21 Richard Henderson <rth@redhat.com>
509 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
511 (global_symbolic_operand): Allow weak symbols, even if local_p.
513 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
515 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
516 (find_interesting_uses_address): Punt if above function returns true.
518 2006-06-21 Richard Guenther <rguenther@suse.de>
520 * configure: Regenerated.
522 2006-06-21 Joseph Myers <joseph@codesourcery.com>
524 * config/mips/mips.c (function_arg): Where one part of a
525 complex argument is in registers and the other part in the stack,
526 return a REG not a PARALLEL.
528 2006-06-21 Mark Mitchell <mark@codesourcery.com>
530 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
531 when cross-compiling. Do not substitute libstdcxx_incdir.
532 * configure: Regenerated.
534 2006-06-21 Jakub Jelinek <jakub@redhat.com>
536 * varasm.c (mergeable_string_section): Check for embedded NULs and
537 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
538 rather than TREE_STRING_LENGTH bytes.
540 2006-06-21 Richard Guenther <rguenther@suse.de>
542 * ggc-page.c (extra_order_size_table): Add var_ann_d,
543 tree_ssa_name, bitmap_element and phi_node with 4 arguments
546 2006-06-21 Richrad Guenther <rguenther@suse.de>
548 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
549 Limit iteration over the dominators.
551 2006-06-20 Roger Sayle <roger@eyesopen.com>
553 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
554 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
556 2006-06-20 Richard Guenther <rguenther@suse.de>
557 Michael Matz <matz@suse.de>
559 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
561 * alloc-pool.c (free_alloc_pool_if_empty): New function.
562 * et-forest.h (et_free_pools): Prototype new function.
563 * et-forest.c (et_free_tree_force): Free parent occurrence.
564 (et_free_pools): New function.
565 * dominance.c (free_dominance_info): Free et-forest alloc
568 2006-06-20 Roger Sayle <roger@eyesopen.com>
570 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
571 integer modes, attempt to directly construct an integer constant.
573 * fold-const.c (native_encode_vector): Determine the size of each
574 element from the vector type instead of the first vector element.
576 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
577 if all of its elements/components are constant.
578 (build_constructor_from_list): Likewise.
580 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
582 PR tree-optimization/27331
583 * tree-data-ref.c (free_data_ref): New function.
584 (create_data_ref): Fail if the data reference has unknown access
586 (free_data_refs): Use free_data_ref.
588 2006-06-19 Andrew Pinski <pinskia@gmail.com>
591 * tree-inline.c (setup_one_parameter): Strip useless
592 type conversion before adding it to the IR.
593 (declare_return_variable): Likewise.
595 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
598 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
600 2006-06-19 Mike Stump <mrs@apple.com>
602 * tree.c (variably_modified_type_p): VM arguments don't make the
605 2006-06-19 Richard Guenther <rguenther@suse.de>
607 * tree-ssa-pre.c (try_combine_conversion): Strip useless
608 type conversions after folding.
610 2006-06-19 Richard Guenther <rguenther@suse.de>
612 * ggc-page.c (extra_order_size_tab): Add entries with
613 size of struct function and basic_block.
614 (size_lookup): Extend to cover sizes up to 511.
615 (ggc_alloc_stat): Adjust user.
616 (ggc_pch_count_object): Likewise.
617 (ggc_pch_alloc_object): Likewise.
618 (ggc_pch_write_object): Likewise.
620 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
622 * tree-ssa-loop-niter.c (implies_ge_p): New function.
623 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
626 2006-06-19 Denis Chertykov <denisc@overta.ru>
628 * config/avr/libgcc.S : Correct my wrong previous commit.
630 2006-06-19 Roger Sayle <roger@eyesopen.com>
633 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
634 have stripped a SUBREG from the shift count, so we may need to
635 convert_to_mode back to the type's mode before calling make_tree.
636 Use new_amount instead of amount to avoid expanding a tree twice.
638 2006-06-19 Richard Guenther <rguenther@suse.de>
641 * fold-const.c (operand_equal_p): Check if the argument types
642 have the same precision before stripping NOPs.
644 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
646 Fix PR tree-optimization/27341
647 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
649 * tree-complex.c (pass_lower_complex): Update SMT usage.
651 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
653 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
654 Add a new alternative to the constraint strings. Add move of
655 operand 1 to 3 to the splitter definition.
656 ("doloop_si_long"): Second contraint alternative removed.
658 2006-06-08 Anatoly Sokolov <aesok@post.ru>
660 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
661 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
663 (AVR_HAVE_MOVW) Define.
664 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
665 (ASM_SPEC): Add avr25.
666 (LINK_SPEC): Add avr25.
667 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
668 (base_arch_s): Add new member 'have_movw_lpmx'.
669 (avr_arch_types): Init 'have_movw_lpmx'.
670 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
671 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
672 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
673 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
674 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
676 (avr_file_start): Do not output '.arh' derective.
677 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
678 (__do_copy_data): Use __AVR_HAVE_LPMX__.
679 * config/avr/avr.md (mcu_enhanced): Delete.
680 (mcu_have_movw): Define.
681 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
682 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
683 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
684 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
685 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
686 attiny861 and at86rf401 devices.
688 2006-06-18 Jie Zhang <jie.zhang@analog.com>
690 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
693 2006-06-17 Karl Berry <karl@gnu.org>
695 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
696 doc/gccint.texi, doc/install.texi (@dircategory): Use
697 "Software development" instead of "Programming", following
698 the Free Software Directory.
700 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
702 * config/i386/i386.c (legitimate_tls_address)
703 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
704 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
705 (*tls_dynamic_gnu2_combine_64): Likewise.
707 2006-06-16 Richard Guenther <rguenther@suse.de>
710 * fold-const.c (negate_expr_p): Do not introduce undefined
711 overflow in negating INTEGER_CSTs.
712 (fold_negate_expr): Rename from negate_expr. Revert last
713 change for folding BIT_NOT_EXPR. Change semantics to
714 return NULL_TREE for non-simplified negations. Do not
715 strip type conversions and unify type handling.
716 (negate_expr): New function, wrap around fold_negate_expr
717 but ensure building a tree always. Strip type conversions
718 here, fold to result type.
719 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
721 2006-06-16 Roger Sayle <roger@eyesopen.com>
724 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
725 that (would) return their results in stack registers.
727 2006-06-16 Michael Matz <matz@suse.de>
728 Richard Guenther <rguenther@suse.de>
730 * fold-const.c (fold_truthop): Only return new tree node if
731 we canonicalized something.
733 2006-06-16 Richard Guenther <rguenther@suse.de>
735 * function.h (enum function_frequency): Move declaration
736 out of struct function.
737 (struct function): Move bool fields and the enum to the bitfield
738 section. Reorder elements to avoid padding. Remove unused
739 fields left over from the RTL inliner removal.
740 * function.c (free_after_compilation): Do not zero removed fields.
741 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
742 (ipa-type-escape.o): Likewise.
744 2006-06-16 Richard Guenther <rguenther@suse.de>
746 * cgraph.h (struct cgraph_local_info): Turn bool elements
748 (struct cgraph_node): Likewise.
749 (struct cgraph_varpool_node): Likewise.
751 2006-06-15 Richard Guenther <rguenther@suse.de>
753 * fold-const.c (fold_truth_not_expr): Rename from
754 invert_truthvalue. Give it fold_* semantics to avoid
756 (invert_truthvalue): New function. Wrapper around
758 (optimize_minmax_comparison): Avoid creating garbage.
759 (fold_unary): Use fold_truth_not_expr for folding
761 (fold_ternary): Replace uses of invert_truthvalue with
762 fold_truth_not_expr where applicable.
763 * tree.h (fold_truth_not_expr): Prototype.
765 2006-06-16 Richard Guenther <rguenther@suse.de>
767 PR tree-optimization/27781
768 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
769 * ipa-pure-const.c (target.h): Include.
770 (analyze_function): Do not analyze functions that do not
773 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
776 * tree-dfa.c (referenced_vars_dup_list): Remove.
777 (find_referenced_vars): Remove assert.
778 (referenced_var_check_and_insert): Replace dup list with assert.
779 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
780 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
782 2006-06-15 Richard Guenther <rguenther@suse.de>
784 * tree-ssa-structalias.c (alias_get_name): Avoid creating
785 extra unused identifiers if not dumping.
786 (create_variable_info_for): Likewise.
788 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
790 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
791 (derive_constant_upper_bound): Derive more precise upper bound in
792 common cases. Return type changed to double_int.
793 (record_estimate): Reflect the changed return type of
794 derive_constant_upper_bound.
795 * double-int.c (double_int_zext, double_int_sext): Fix.
797 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
799 * configure.ac (CFLAGS): Get them from the toplevel or from the
800 configure invocation.
801 * configure: Regenerate.
802 * Makefile.in (CFLAGS): Substitute value provided by configure.
804 2006-06-14 Mark Mitchell <mark@codesourcery.com>
807 * c-common.h (c_finish_omp_atomic): Adjust declaration.
808 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
809 rather than calling add_stmt on it.
810 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
812 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
815 * reload1.c (reload): Remove registers returned by update_eliminables
816 from used_spill_regs.
818 2006-06-13 DJ Delorie <dj@redhat.com>
820 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
822 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
824 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
825 html__strip_dir, html__mkdir_p. Enhance install-html target.
826 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
827 * configure: Regenerate.
829 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
831 * fold-const.c (fold_cond_expr_with_comparison): Check for
832 Objective-C++ as language in deciding COND_EXPR transformation.
834 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
837 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
838 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
839 * config/sh/lib1funcs.h (SL, SL1): Define.
840 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
841 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
842 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
843 (OBJS_Os_4_200): New variable.
844 ($(T)libgcc-Os-4-200.a): Use it.
845 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
846 when dividing 1 and/or by 0.
848 2006-06-13 Roger Sayle <roger@eyesopen.com>
850 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
851 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
852 * configure: Regenerate.
854 2006-06-13 Jie Zhang <jie.zhang@analog.com>
856 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
857 for real instruction.
859 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
862 * haifa-sched.c (check_cfg): Handle special case.
864 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
867 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
868 Add debug_info parameter. Chain the vars to the BLOCK instead
869 of the BIND_EXPR if debug info are requested for them.
870 (pop_gimplify_context): Adjust for above change.
871 (gimple_add_tmp_var): Likewise.
872 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
874 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
875 (convert_local_reference): Likewise.
876 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
877 (finalize_nesting_tree_1): Request that debug info be emitted
880 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
882 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
885 2006-06-13 Richard Guenther <rguenther@suse.de>
888 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
890 2006-06-13 Richard Guenther <rguenther@suse.de>
892 PR tree-optimization/27830
893 * tree-inline.c (copy_body_r): For copying the operand
894 of an ADDR_EXPR make sure to fold &* afterwards.
896 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
898 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
899 lvalues in the fb_none case with side-effects.
901 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
903 * tree-flow.h: Remove the prototype for
904 compute_phi_arg_on_exit.
905 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
906 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
909 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
911 * builtins.c (expand_builtin_return_addr): Only use
912 frame_pointer_rtx when count == 0 and we are expanding
913 __builtin_return_address.
915 2006-06-12 Fred Fish <fnf@specifix.com>
917 * config/mips/mips.c (mips_file_start): Create special section
918 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
920 2006-06-11 Eric Christopher <echristo@apple.com>
923 * stor-layout.c (place_field): Remove check for
924 remaining_in_alignment when aligning at the end of a run.
926 2006-06-11 Eric Christopher <echristo@apple.com>
929 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
932 2006-06-11 Roger Sayle <roger@eyesopen.com>
935 Revert incorrect fix for PR target/27158
936 2006-05-08 Roger Sayle <roger@eyesopen.com>
937 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
938 of a reg_equiv_constant if the result is a legitimate constant.
940 2006-06-11 Roger Sayle <roger@eyesopen.com>
943 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
944 extract a CONST_VECTOR element and interpret it as an integer.
945 (vspltis_constant): Use const_vector_elt_as_int instead of the
946 macro CONST_VECTOR_ELT in order to handle FP vector modes.
947 * config/rs6000/predicates.md (easy_vector_const): Consider
948 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
950 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
953 * stor-layout.c (update_alignment_for_field): Don't add extra
954 alignment for packed non-bitfield fields in ms_bitfield_layout_p
957 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
959 * config/mips/t-rtems: Add EL/EB multilib variants.
961 2006-06-09 Mike Stump <mrs@apple.com>
963 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
965 2006-06-09 David Daney <ddaney@avtrex.com>
967 * doc/install.texi: Add binutils version recommendation for mips-*-*.
969 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
971 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
973 2006-06-09 Richard Guenther <rguenther@suse.de>
975 PR tree-optimization/26998
976 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
977 of signed types, only TYPE_MIN_VALUE is special, but for both,
978 minimum and maximum value. Likewise VR_ANTI_RANGE is special
979 in this case, as is -fwrapv.
981 2006-06-08 Mike Stump <mrs@apple.com>
984 * config/darwin.c (darwin_asm_output_anchor): Disable
985 -fsection-anchors on darwin for now.
986 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
987 * rs6000/rs6000.c (optimization_options): Likewise.
989 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
992 * config/i386/i386.c (classify_argument): Skip fields with invalid
995 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
997 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
998 (cse_insn): Likewise for the stack_pointer_rtx.
1000 2006-06-08 Roger Sayle <roger@eyesopen.com>
1002 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1003 conditions from floating point comparisons.
1005 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1008 * expmed.c (struct alg_hash_entry): Fix type of field T
1009 to match synth_mult argument.
1010 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1012 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1015 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1018 2006-06-08 Richard Guenther <rguenther@suse.de>
1021 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1022 only, if overflow is defined and not trapping.
1023 (negate_expr): Likewise.
1025 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1027 PR tree-optimization/27872
1028 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1029 flag on the new exit edge of the unrolled loop.
1031 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1033 PR rtl-optimization/26449
1034 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1036 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1039 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1040 referenced_variables with matching DECL_UID's.
1041 (find_referenced_vars): Make sure duplicate list is empty to start.
1042 (referenced_var_p): Remove.
1043 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1044 Check if var is in the list, and add if needed. Update the duplicate
1045 list if a different var is in the list with the same DECL_UID.
1046 (add_referenced_var): Call routine to check and insert.
1047 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1048 * tree-flow.h (referenced_vars_dup_list): External declaration.
1050 2006-06-07 Fred Fish <fnf@specifix.com>
1052 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1055 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1058 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1059 the imaginary and real parts of a clobbered register.
1060 Emit insn to set the imaginary part.
1062 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1064 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1065 in lieu of unwind-dw2-fde.c.
1067 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1069 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1071 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1074 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1075 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1076 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1077 V4SImode temporaries and operations instead.
1079 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1081 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1084 2006-06-06 Mike Stump <mrs@apple.com>
1086 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1087 installing during build.
1089 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1091 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1093 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1094 * config/ia64/ia64.c (params.h): New header.
1095 (ia64_optimization_options): New function to adjust parameters.
1096 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1097 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1098 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1100 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1102 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1104 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1107 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1109 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1110 Victor Kaplansky <victork@il.ibm.com>
1112 PR tree-optimization/26360
1113 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1116 2006-06-04 Roger Sayle <roger@eyesopen.com>
1117 Andrew Pinski <pinskia@physics.uc.edu>
1120 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1121 for LABEL_DECL before calling DECL_WEAK.
1124 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1125 LABEL_DECL and PARM_DECL.
1127 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1131 * c-decl.c (grokdeclarator): Disallow variably modified types at
1132 file scope. Avoid marking shared array type of constant size as
1135 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1138 * c-common.c (fold_offsetof_1): Handle static members.
1140 2006-06-04 Eric Christopher <echristo@apple.com>
1142 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1143 (debug_rli): Output value for remaining_in_alignment.
1144 (update_alignment_for_field): Unconditionalize
1145 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1146 extra alignment code.
1147 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1148 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1149 * tree.h (record_layout_info_s): Remove prev_packed.
1150 * doc/extend.texi (ms_struct): Add documentation of format.
1152 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1154 * tree.h: Declare folding_initializer.
1155 * builtins.c (fold_builtin_constant_p): Give definite answer
1156 if folding inside an initializer.
1157 * fold-const.c: Define folding_initializer.
1158 (START_FOLD_INIT): Save and then set folding_initializer.
1159 (END_FOLD_INIT): Restore folding_initializer.
1161 2006-06-04 Richard Guenther <rguenther@suse.de>
1163 PR tree-optimization/27039
1164 * fold-const.c (fold_comparison): Handle pointer comparison
1165 again for all comparison codes. Compare offsets in signed
1167 (fold_binary): Move code from here.
1169 2006-06-03 Roger Sayle <roger@eyesopen.com>
1172 * config/i386/i386.c (construct_container): Split static issued_error
1173 flag into issued_sse_arg_error, issued_sse_ret_error and
1174 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1175 requires the use of x87 registers and the user explicitly
1176 specified the -mno-80387 command line option.
1178 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1180 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1181 HAVE_DECL_SIGALTSTACK.
1183 (segv_handler): Use MC_FLD.
1184 * configure.ac: Check for a sigaltstack declaration.
1185 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1186 * configure: Regenerate.
1187 * config.in: Regenerate.
1189 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1192 * Makefile.in (stmp-fixinc): Fix typo.
1194 2006-06-02 Roger Sayle <roger@eyesopen.com>
1196 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1197 are type correct. Clean-up.
1198 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1199 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1201 2006-06-01 DJ Delorie <dj@redhat.com>
1203 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1204 shift, as we've disabled the "switch" insn that needs it.
1206 2006-06-01 Per Bothner <bothner@bothner.com>
1208 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1209 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1210 * c-ppoutput.c (cb_define): Don't increment line 0.
1212 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1214 * doc/invoke.texi: Add cpu_type power6.
1215 * config.gcc: Add cpu_type power6.
1216 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1217 to power5+ with Altivec.
1218 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1219 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1221 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1223 * config/avr/avr.h (SET_ASM_OP): Define.
1225 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1227 * config/bfin/bfin.c: Fix comment typos.
1229 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1232 * doc/install.texi: Document --enable-bootstrap and
1233 --disable-bootstrap.
1235 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1237 * doc/install.texi: Document that InfoZIP can replace jar.
1239 2006-05-31 Roger Sayle <roger@eyesopen.com>
1241 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1242 isn't available, directly generate the simpler x87 patterns without
1243 the (use (const_int 0)).
1244 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1245 implementation isn't available.
1246 (*negdf2_1): Likewise.
1247 (*negxf2_1): XF mode negation is always done using the x87.
1248 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1250 2006-05-31 Roger Sayle <roger@eyesopen.com>
1252 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1253 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1255 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1257 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1259 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1260 * config/bfin/bfin.c (basic-block.h): Include.
1261 (struct machine_function): New.
1262 (bfin_init_machine_status): New.
1263 (override_options): Initialize init_machine_status.
1264 (bfin_hardware_loop): New.
1265 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1266 (DEF_VEC_P (loop_info)): New.
1267 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1268 (struct loop_info): New.
1269 (loop_info): New typedef.
1270 (struct loop_work): New.
1271 (loop_work): New typedef.
1272 (DEF_VEC_O (loop_work)): New.
1273 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1274 (bfin_dump_loops): New.
1275 (bfin_bb_in_loop): New.
1276 (bfin_scan_loop): New.
1277 (bfin_optimize_loop): New.
1278 (bfin_reorg_loops): New.
1279 (bfin_reorg): Use bfin_reorg_loops.
1280 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1282 (I_REGNO_P): Simplify.
1283 (DP_REGNO_P, DPREG_P): New macros.
1284 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1285 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1286 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1287 Add LT_REGS, LC_REGS, LB_REGS.
1288 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1290 (REGNO_REG_CLASS): Deal with loop registers.
1291 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1293 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1294 New constants for loop registers.
1295 (UNSPEC_LSETUP_END): New.
1296 (seq_insns): New define_attr. Set it for appropriate insns.
1297 (movsi_insn): Add alternatives for move from/to
1298 loop count registers.
1299 (doloop_end): New define_expand.
1300 (loop_end): New define_insn.
1301 (define_split for bad doloop_end): New.
1302 (lsetup_with_autoinit): New define_insn.
1303 (lsetup_without_autoinit): New define_insn.
1304 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1305 * config/bfin/predicates.md (lc_register_operand): New.
1306 (lt_register_operand): New.
1307 (lb_register_operand): New.
1308 (nondp_register_operand): New.
1309 (nondp_reg_or_memory_operand): New.
1310 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1312 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1314 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1315 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1317 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1319 * Makefile.in (CATALOGS): Add po/ prefix.
1320 * configure: Regenerated.
1322 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1325 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1326 a shift operand before calling shift_op. Avoid redundant call of
1329 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1330 DJ Delorie <dj@redhat.com>
1332 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1333 we're inserting is a singlt-bit constant.
1335 2006-05-30 Roger Sayle <roger@eyesopen.com>
1337 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1338 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1340 2006-05-30 Roger Sayle <roger@eyesopen.com>
1342 PR tree-optimization/23452
1343 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1344 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1345 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1346 complex values and with -ffast-math for FP complex values.
1348 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1350 * c-common.h: Remove the prototype for yyparse.
1351 * rtl.h: Remove the prototype for init_loop.
1353 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1355 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1358 2006-05-30 Roger Sayle <roger@eyesopen.com>
1360 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1362 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1363 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1365 2006-05-30 Dirk Mueller <dmueller@suse.de>
1368 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1369 for CONSTANT_CLASS_P expresisons.
1371 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1374 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1376 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1378 PR tree-optimization/27779
1379 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1380 initial_condition instead of CHREC_LEFT.
1382 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1384 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1385 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1386 Make prototypes ISO C90.
1388 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1389 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1391 * see.c (see_analyze_one_def): Correct check.
1392 (see_get_extension_data): Check if extension is parallel.
1393 (see_get_extension_reg): Likewise.
1395 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1398 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1399 into register for (code == GTU).
1401 2006-05-29 Roger Sayle <roger@eyesopen.com>
1403 PR tree-optimization/24964
1404 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1405 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1406 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1407 abs(x)*abs(x) as x*x for scalar floating point modes.
1409 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1412 * lambda-code.c (perfect_nestify): Don't copy statements
1413 in the inner loop: move them to the inner loop header.
1415 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1418 * c-tree.texi: Document OpenMP directives and clauses.
1420 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1422 * varasm.c (globalize_decl): Fix indentation.
1424 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1427 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1428 pass_fre, pass_store_ccp, pass_copy_prop,
1429 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1430 pass_return_slot, pass_object_size, pass_lim,
1431 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1432 pass_loop_prefetch and pass_stdarg.
1434 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1436 * config/bfin/bfin.opt (mfdpic): New option.
1437 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1438 (EXTRA_MULTILIB_PARTS): Likewise.
1439 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1440 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1442 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1443 (CRT_CALL_STATIC_FUNCTION): New.
1444 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1446 (CRT_CALL_STATIC_FUNCTION): New.
1447 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1449 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1450 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1451 (initialize_trampoline): Changed to handle FD-PIC code generation.
1452 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1453 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1454 (override_options): Disallow -mid-shared-library -mfdpic combination.
1455 Can't do unaligned ops if FD-PIC.
1456 Turn off flag_pic if trying to generate non-id-shared-library
1457 non-fdpic code, since it's not supported.
1458 (bfin_assemble_integer): New function.
1459 (TARGET_ASM_INTEGER): Define.
1460 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1462 * config/bfin/crtn.s: Restore them.
1463 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1465 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1466 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1467 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1468 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1469 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1471 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1472 FDPIC_REGS and FDPIC_FPTR_REGS.
1473 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1474 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1475 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1476 (load_funcdescsi): New pattern.
1477 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1478 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1479 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1481 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1483 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1486 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1488 * tree-flow.h: Remove the prototype for add_type_alias.
1489 * tree-ssa-alias.c (add_type_alias): Remove.
1491 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1493 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1494 config/fr30/fr30.md, config/i386/i386-interix.h,
1495 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1496 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1497 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1498 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1499 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1500 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1501 Follow spelling conventions.
1502 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1503 Follow spelling conventions.
1505 2006-05-27 Richard Guenther <rguenther@suse.de>
1508 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1509 to produce a constant of value 1 of generic type.
1511 2006-05-27 Dirk Mueller <dmueller@suse.de>
1513 * cgraphunit.c (decide_is_function_needed): Fix wrong
1516 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1518 PR rtl-optimization/27661
1519 * reload.c (find_reloads): When reloading a VOIDmode constant
1520 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1521 use Pmode as mode of the reload register.
1523 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1525 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1526 is enabled at -O and above.
1528 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1531 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1534 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1537 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1538 for anonymous variables explicitly declared by front ends.
1540 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1542 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1543 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1544 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1545 ref-all pointers, run a finalization pass for them.
1546 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1547 (finalize_ref_all_pointers): New function.
1548 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1549 regular pointer type to a ref-all pointer type.
1550 (get_tmt_for): Return the special memory tag for ref-all pointers.
1552 2006-05-25 Richard Guenther <rguenther@suse.de>
1555 * fold-const.c (fold_binary): Do not look at the stripped
1556 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1558 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1560 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1561 for LT and GT if the computed range is effectively empty.
1563 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1566 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1567 mips_quad_format formats instead of ieee_single_format,
1568 ieee_double_format and ieee_quad_format formats, respectively.
1570 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1572 PR tree-optimization/27639
1573 PR tree-optimization/26719
1574 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1575 call to scev_probably_wraps_p.
1576 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1577 used_in_pointer_arithmetic_p, convert_step): Removed.
1578 (nowrap_type_p): New function.
1579 (scev_probably_wraps_p): Rewritten.
1580 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1581 chrec_convert if chrec_convert_aggressive might have been used.
1582 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1583 scev_direction): New functions.
1584 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1585 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1586 instead of convert_step.
1587 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1588 (convert_step): Declaration removed.
1589 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1591 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1593 * df-core.c: Added to header comments.
1594 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1595 df_ur_bb_info, df_urec_bb_info): Added comments.
1596 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1597 urec, ri problems): Fixed header comments.
1598 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1599 code from df_rd_transfer_function.
1601 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1603 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1604 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1605 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1607 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1609 * expr.c (undefined_operand_subword_p): New.
1610 (emit_move_multi_word): Do not generate move from undefined bits
1611 of a paradoxical subreg.
1613 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1615 PR rtl-optimization/27736
1616 * combine.c (replaced_rhs_value): New variable.
1617 (combine_instructions): Set it.
1618 (distribute_notes): When distributing a note in replaced_rhs_insn,
1619 check whether the value was used in replaced_rhs_value.
1621 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1624 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1625 add_referenced_var instead of add_referenced_tmp_var.
1626 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1627 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1629 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1630 tree_optimize_tail_calls_1): Use add_referenced_var.
1631 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1632 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1633 Use add_referenced_var.
1634 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1635 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1636 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1637 Use add_referenced_var.
1638 * tree-dfa.c (struct walk_state): Remove.
1639 (find_referenced_vars): Remove walk state and vars_found hash table.
1640 (make_rename_temp): Use add_referenced_var.
1641 (find_vars_r): Pass less parameters to add_referenced_var.
1642 (referenced_var_p): New. Is var in referenced_var hash table.
1643 (referenced_var_insert): Assert var isn't already in hash table.
1644 (add_referenced_var): Don't need walk_state parameter. Add var if it
1645 isn't already in the hash table.
1646 (add_referenced_tmp_var): Remove.
1647 (find_new_referenced_vars_1): Use add_referenced_var.
1648 * tree-ssa-pre.c (create_expression_by_pieces,
1649 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1650 Use add_referenced_var.
1651 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1652 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1653 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1655 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1656 vect_create_data_ref_ptr, vect_create_destination_var,
1657 vect_init_vector, vect_build_loop_niters,
1658 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1659 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1660 Use add_referenced_var.
1661 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1662 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1663 (add_referenced_var): Add prototype.
1664 * tree-ssa-structalias.c (get_constraint_for,
1665 intra_create_variable_infos): Use add_referenced_var.
1667 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1669 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1670 big-endian paradoxical subregs.
1671 * var-tracking.c (struct micro_operation_def): Document that,
1672 for modify micro operations, insn is the subsequent instruction.
1673 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1674 (var_reg_set, var_mem_set): ... new functions.
1675 (add_stores): Record subsequent insn.
1676 (compute_bb_dataflow): Use new functions for MO_USE.
1677 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1678 notes after the insn, and modify notes before the insn known
1679 to be the subsequent one.
1680 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1682 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1685 * config/i386/i386.c (ix86_expand_builtin): Use
1686 gen_sse3_monitor64 for TARGET_64BIT.
1688 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1690 PR rtl-optimization/26375
1691 PR rtl-optimization/26855
1692 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1694 (df_ru_bb_local_compute): Reversed statements and removed bogus
1695 comment explaining why they should be in wrong order.
1696 (df_ru_dump, df_rd_dump): Enhanced debug info.
1697 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1699 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1700 reaching uses and fixed space problem.
1702 2006-05-23 Jan Hubicka <jh@suse.cz>
1704 * cgraphunit.c (decide_is_function_needed): Also nested functions
1705 and functions declared inline can be optimized out at -O0.
1707 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1709 * doc/install.texi (Configuration): Remove reference to CrossGCC
1713 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1716 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1717 ix86_compare_emitted is non-NULL.
1719 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1722 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1725 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1727 PR rtl-optimization/25514
1728 * combine.c (replaced_rhs_insn): New variable.
1729 (combine_instructions): Set replaced_rhs_insn when trying to replace
1730 a SET_SRC with a REG_EQUAL note.
1731 (distribute_notes): Use replaced_rhs_insn when determining the live
1732 range of a REG_DEAD register.
1734 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1735 Anatoly Sokolov <aesok@post.ru>
1737 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1738 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1739 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1740 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1741 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1742 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1743 at90usb647, at90usb1286 and at90usb1287 devices.
1744 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1745 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1747 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1749 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1751 2006-05-22 Richard Guenther <rguenther@suse.de>
1754 2006-01-31 Richard Guenther <rguenther@suse.de>
1755 Paolo Bonzini <bonzini@gnu.org>
1757 * doc/install.texi (--disable-libgcc-math): Document.
1759 2006-05-22 Richard Guenther <rguenther@suse.de>
1762 2006-01-31 Richard Guenther <rguenther@suse.de>
1764 * doc/invoke.texi (-msselibm): Document.
1765 * target.h (expand_library_builtin): New target hook.
1766 * builtins.c (expand_builtin): Use expand_library_builtin.
1767 (default_expand_library_builtin): New function.
1768 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1769 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1770 (link_gcc_math_spec): Declare.
1771 (static_specs): Add link_gcc_math_spec.
1772 * expr.h (default_expand_library_builtin): Declare.
1773 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1774 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1775 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1776 * config/i386/i386.opt (msselibm): New target option.
1777 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1778 (ix86_init_sse_abi_builtins): New function.
1779 (ix86_expand_library_builtin): Likewise.
1780 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1781 (override_options): Handle error conditions wrt -msselibm.
1782 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1783 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1784 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1787 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1790 * c-common.c (self_promoting_args_p): Skip erroneous args.
1793 * c-decl.c (finish_struct): Skip erroneous fields.
1795 2006-05-22 Nick Clifton <nickc@redhat.com>
1797 * config/cris/cris.opt (march): Remove VarExists attribute.
1798 (max-stackframe=): Likewise.
1800 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1802 * doc/rtl.texi: Fix a typo.
1803 * see.c: Fix comment typos.
1805 * tree-ssa-structalias.h (alias_info): Remove num_references.
1807 2006-05-21 Mike Stump <mrs@apple.com>
1809 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1811 (darwin_pragma_options): Use BAD instead.
1812 (darwin_pragma_unused): Likewise.
1813 (darwin_pragma_ms_struct): Likewise.
1815 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1817 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1819 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1821 PR rtl-optimization/27671
1822 * simplify-rtx.c (simplify_relational_operation_1): Fix
1823 simplifications of (eq/ne (xor x y) y) and
1824 (eq/ne (xor x y) x).
1826 PR tree-optimization/26622.
1827 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1830 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1832 * tree-cfg.c: Prune whitespace.
1833 (debug_tree_cfg): Point to correct header containing the
1836 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1839 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1841 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1844 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1845 or sorry count is non zero.
1847 2006-05-20 Andreas Schwab <schwab@suse.de>
1849 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1851 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1852 Kenneth Zadeck <zadeck@naturalbridge.com>
1854 PR rtl-optimization/26855
1856 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1858 (df_scan_alloc): Added code to properly handle multiword hard
1859 registers and add all_blocks parameter.
1860 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1861 code to properly handle multiword hard registers.
1862 (df_rescan_blocks): Added code to remove deleted blocks from
1864 (df_ref_create_structure, df_ref_record): Added code to properly
1866 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1867 and set DF_REF_PARTIAL.
1868 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1869 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1870 (df_scan_add_problem): Added flags parameter.
1871 (df_ref_create_structure): Changed switching structure.
1872 (df_bb_refs_record): Fixed case where duplicate artificial refs
1873 were created. Changed location of flags.
1874 (df_record_entry_block_defs): Added code to make stack pointer
1875 live in entry block. Refined cases where frame pointer is needed.
1876 Changed location of flags.
1877 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1878 (df_set_state): Removed function.
1879 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1880 df_insn_create_insn_record, df_insn_refs_delete,
1881 df_ref_create_structure): Formatting changes.
1882 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1883 df_delete_basic_block): New function.
1884 (df_init): Changed location of flags.
1885 (df_add_problem): Added flags parameter and the way flags are
1887 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1888 debug_df_chain): Improved debugging output.
1889 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1890 (df_refs_chain_dump): Removed df parameter.
1891 (df_iterative_dataflow): Added consistency check.
1892 (df_prune_to_subcfg): Made public.
1893 (df_analyze_problem): Added blocks_to_init parameter and made
1895 (df_ref_record, df_bb_refs_record, df_mark_reg,
1896 df_record_exit_block_uses): Whitespace changes.
1897 (df_dump): Whitespace changes.
1898 * df.h: Some reordering to remove forward references.
1899 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1900 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1901 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1902 (dataflow.flags): New field.
1903 (df.flag): Deleted field.
1904 (df_alloc_function): Added additional bitmap parameter.
1905 (df_dependent_problem_function): New type.
1906 (df_problem.changeable_flags): New field.
1907 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1908 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1909 (df_mw_hardreg): New struct.
1910 (DF_INSN_UID_MWS): New macro.
1911 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1913 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1914 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1915 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1916 (df_set_state): Removed function.
1917 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1918 * df-problems.c (df_chain_dump): Removed df parameter.
1919 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1920 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1922 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1923 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1924 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1925 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1926 DF_REF_MUST_CLOBBER cases.
1927 (df_ru_bb_local_compute_process_def,
1928 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1929 df_lr_bb_local_compute, df_ur_bb_local_compute,
1930 df_chain_create_bb): Made subreg aware.
1931 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1932 df_lr_bb_local_compute, df_lr_bb_local_compute,
1933 df_chain_create_bb): Cleanup to use proper macros.
1934 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1935 code to fixup bitvectors.
1936 (df_ri_alloc): Cleared lifetime.
1937 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1938 df_create_unused_note): New function.
1939 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1940 REG_DEAD and REG_UNUSED notes as well as register information.
1941 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1942 df_chains_dump): Fixed crash if problem was never run.
1943 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1944 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1945 df_ri_add_problem): Processes flags in uniform manner.
1946 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1947 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1948 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1949 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1950 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1951 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1952 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1953 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1954 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1955 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1956 * see.c (see_initialize_data): Ditto.
1957 * final.c (rest_of_clean_state) Added regstack_completed.
1958 * rtl.h (regstack_completed): Ditto.
1959 * reg-stack.c (regstack_completed): Ditto.
1961 2006-05-19 Mike Stump <mrs@apple.com>
1963 * c-tree.h (default_conversion): Remove.
1964 * c-common.h (default_conversion): Add.
1966 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1968 * tree-vrp.c (valid_value_p): New function.
1969 (adjust_range_with_scev): Fail if the value of bound is not
1972 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1974 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1975 (mips_fallback_frame_state): Use syscall numbers to determine
1976 the appropriate li instruction for the current ABI. Only use
1977 __NR_sigreturn for o32.
1979 2006-05-19 Nicolas Setton <setton@adacore.com>
1981 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1982 * langhooks.c (lhd_dwarf_name): New function.
1983 * langhooks-def.h (lhd_dwarf_name): Declare.
1984 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1985 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1986 * ada/misc.c (gnat_dwarf_name): New function.
1987 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1989 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1991 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1993 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1994 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1995 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1996 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1997 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1998 determine the size of Wtype, etc.
1999 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2000 (swfloatfuncs): New variable.
2001 (dwfloatfuncs): Likewise.
2002 (lib2funcs): Remove floating-point conversion functions from
2003 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2004 the set of conversion routines needed. Allow entries to specify
2005 an object name, filename and word size. Update users accordingly.
2006 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2007 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2011 2006-02-08 Roger Sayle <roger@eyesopen.com>
2014 * config/fixtfdi.c: New libgcc source file.
2015 * config/fixunstfdi.c: New source file.
2016 * config/floatditf.c: New source file.
2017 * config/floatunditf.c: New souce file.
2018 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2019 files above instead of config/mips/_tilib.c.
2020 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2022 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2024 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2025 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2027 2006-05-18 Mike Stump <mrs@apple.com>
2029 Fix up vla, vm and [*] sematics.
2035 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2036 (c_vla_unspec_p): Add.
2037 (c_vla_type_p): Add.
2038 * c-decl.c (struct c_scope): Add had_vla_unspec.
2039 (build_array_declarator): Add support for [*].
2040 (grokdeclarator): Likewise.
2041 (grokparms): Likewise.
2042 (get_parm_info): Likewise.
2043 * c-objc-common.c (c_vla_unspec_p): Likewise.
2044 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2045 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2046 typeof when argument is a variably modified type not inside sizeof or alignof.
2047 (c_parser_direct_declarator_inner): Propagate errors.
2048 (c_parser_sizeof_expression): Add support for [*].
2049 (c_parser_parms_declarator): Initialize had_vla_unspec.
2050 (c_parser_parms_list_declarator): Likewise.
2051 * c-typeck.c (c_vla_type_p): Add.
2052 (composite_type): Add support for vla compositing.
2053 (comptypes_internal): Add support for vla compatibility.
2054 (c_expr_sizeof_expr): Evaluate vla arguments.
2055 * tree.c (variably_modified_type_p): Update comment for [*].
2057 2006-05-18 Michael Matz <matz@suse.de>
2060 * config.host: Make assignments to host_xmake_file cumulative.
2061 * config.host (*-darwin*): Test $host, not $target.
2063 2006-05-12 Stuart Hastings <stuart@apple.com>
2065 * config/i386/i386.opt (-mstackrealign): New flag.
2066 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2067 (ix86_handle_cconv_attribute): Emit error when
2068 force_align_arg_pointer attribute collides with too many regparms.
2069 (ix86_function_regparm): Limit regparms when used with
2070 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2071 Support stack-realigning prologue in non-main functions. Emit
2072 warning for nested functions under -mstackrealign, emit error for
2073 nested functions with force_align_arg_pointer attribute.
2074 * doc/extend.texi (force_align_arg_pointer): Document it.
2075 * doc/invoke.texi (-mstackrealign): Document it.
2077 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2079 PR rtl-optimization/27477
2080 * combine.c (try_combine): Don't split a parallel consisting
2081 of two sets into two individual sets if both sets reference
2084 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2086 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2087 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2089 * doc/options.texi (VarExists): Updated.
2091 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2093 * unwind-dw2.c: Add declarations for uw_update_context and
2095 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2096 detected, advance frame state and context once to skip over stub.
2098 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2102 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2103 Call rewrite_into_loop_closed_ssa only when something changed.
2104 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2105 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2106 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2107 Test for perfect_nest_p here. Fix formating.
2108 (replace_uses_equiv_to_x_with_y): Fix formating.
2109 (stmt_uses_op): Removed.
2110 (can_convert_to_perfect_nest): Removed loopivs parameter.
2111 Complete the test by checking the scalar dependences.
2112 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2115 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2118 From Dan Kegel <dank@kegel.com>:
2119 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2121 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2123 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2124 if the element type is variably modified without recursing.
2126 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2129 * tree-loop-linear.c (try_interchange_loops): Test for
2130 no data dependences.
2132 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2134 PR tree-optimization/27548
2135 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2136 range of ssa names that appear on abnormal edges.
2137 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2138 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2140 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2143 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2145 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2148 * tree.h (OMP_PARALLEL_COMBINED): Define.
2149 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2150 (new_omp_context): Add is_combined_parallel argument.
2151 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2152 new_omp_context caller.
2153 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2154 Adjust gimplify_scan_omp_clauses callers.
2155 (omp_is_private): Issue errors if iteration variable is firstprivate
2156 or reduction in the current context.
2157 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2158 on combined parallel workshare constructs.
2160 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2162 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2163 (gcc-options.o): New rule.
2165 * optc-gen.awk: Protect variables for gcc-options.o with
2166 #ifdef GCC_DRIVER/#endif.
2168 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2170 Fix PR tree-optimization/27373
2171 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2172 (forward_propagate_addr_expr): Update call.
2174 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2176 * doc/options.texi: Move the Negative option.
2178 2006-05-16 Richard Guenther <rguenther@suse.de>
2180 PR tree-optimization/22303
2181 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2183 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2184 ccp_fold did not simplify the statement.
2186 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2189 * Makefile.in (GCC_OBJS): New.
2190 (OBJS-common): Add opts-common.o.
2191 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2192 (cpp$(exeext)): Likewise.
2193 (gcc.o): Also depend on opts.h.
2194 (opts-common.o): New.
2196 * common.opt (gcoff): Add Negative(gdwarf-2).
2197 (gdwarf-2): Add Negative(gstabs).
2198 (gstabs): Add Negative(gstabs+).
2199 (gstabs+): Add Negative(gvms).
2200 (gvms): Add Negative(gxcoff).
2201 (gxcoff): Add Negative(gxcoff+).
2202 (gxcoff+): Add Negative(gcoff).
2203 * config/i386/i386.opt (m32): Add Negative(m64).
2204 (m64): Add Negative(m32).
2206 * doc/options.texi: Document the Negative option.
2208 * gcc.c: Include "opts.h".
2209 (main): Call prune_options after expandargv.
2211 * optc-gen.awk: Generate common declarations for all flag
2212 variables in options.c. Output the neg_index field.
2214 * opts.c (find_opt): Moved to ...
2215 * opts-common.c: Here. New file.
2217 * opts.h (cl_option): Add a neg_index field.
2219 (prune_options): Likewise.
2221 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2224 * omp-low.c (expand_omp_parallel): Don't assert
2225 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2226 instead search for it.
2229 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2232 2006-05-16 Andreas Schwab <schwab@suse.de>
2234 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2237 2006-05-15 Roger Sayle <roger@eyesopen.com>
2240 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2241 integer constants other than zero are only legitimate on TARGET_64BIT.
2242 <CONST_VECTOR> Only zero vectors are legitimate.
2243 (ix86_cannot_force_const_mem): Integral and vector constants can
2244 always be put in the constant pool.
2246 2006-05-16 DJ Delorie <dj@redhat.com>
2248 * crtstuff.c (__dso_handle): Set section from
2249 TARGET_LBIGCC_SDATA_SECTION if defined.
2250 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2251 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2253 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2256 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2259 2006-05-16 Ben Elliston <bje@au.ibm.com>
2261 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2263 2006-05-15 Per Bothner <per@bothner.com>
2265 * tree.c: (last_annotated_node): Use source_locus typedef.
2266 This permits bootstrapping with --enable-mapped-location.
2268 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2270 PR tree-optimization/26830
2271 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2272 (info_for_ssa_name, current_info_for_ssa_name_age,
2273 blocks_to_update): New variables.
2274 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2275 (clear_ssa_name_info, initialize_flags_in_bb,
2276 mark_block_for_update): New functions.
2277 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2278 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2279 prepare_def_site_for): Use mark_block_for_update.
2280 (mark_def_interesting): Assert that the processed block is marked in
2281 blocks_to_update. Do not take blocks argument.
2282 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2284 (rewrite_update_init_block, rewrite_update_stmt): Only process
2285 blocks with statements to rewrite.
2286 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2287 (update_ssa): Initialize and free blocks_to_update. Do not
2288 clear flags on statements. Do not use blocks bitmap.
2289 * tree.h (SSA_NAME_AUX): Removed.
2290 (struct tree_ssa_name): Removed aux field.
2291 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2293 2006-05-15 Richard Guenther <rguenther@suse.de>
2295 PR tree-optimization/27603
2296 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2297 Do computations in original type.
2299 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2301 * see.c: Code style changes such as redundant paranthesis,
2302 redundant intialization of local variables etc.
2303 (see_main): Declared now as static.
2304 * doc/invoke.texi: Update that -fsee is not enabled by
2307 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2309 * omp-low.c (check_omp_nesting_restrictions): New function.
2310 (scan_omp_1): Call it.
2313 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2314 construct, return *VAR.
2316 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2318 PR rtl-optimization/27406
2319 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2322 2006-05-14 Roger Sayle <roger@eyesopen.com>
2324 PR rtl-optimization/27538
2325 * combine.c (expand_compound_operation): Call gen_lowpart
2326 before calling simplify_shift_const.
2328 2006-05-14 Roger Sayle <roger@eyesopen.com>
2330 PR rtl-optimization/22563
2331 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2332 a fixed width bitfield, always force the intermediates into psuedos.
2334 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2337 * mkconfig.sh: Use operator = instead of == for test.
2339 2006-05-13 Nick Clifton <nickc@redhat.com>
2341 * dwarf2out.c (dbx_reg_number): Check return value from
2342 LEAF_REG_REMAP and only use it if it is valid.
2343 (multiple_reg_loc_descriptor): Likewise.
2345 2006-05-13 Richard Guenther <rguenther@suse.de>
2347 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2350 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2352 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2353 information attached to non-INSNs such as NOTEs.
2354 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2356 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2358 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2360 * config/s390/s390.md: Adjust comment describing On constraint.
2362 2006-05-11 Jan Hubicka <jh@suse.cz>
2364 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2365 to be output at -O0.
2367 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2370 * fold-const.c (size_binop): Move sanity check for arguments to
2371 the beginning of the function.
2374 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2377 2006-05-11 Richard Guenther <rguenther@suse.de>
2380 * fold-const.c (fold_unary): Handle intermediate conversion
2381 to a pointer type like intermediate conversion to an integer
2382 type in folding of (T1)(T2)var to var.
2383 Match the code to the comment in the final conversion for
2384 (T1)(T2)var to (T1)var regarding to type precision. Rather
2385 than disallow T1 being of pointer type, assert that both T1
2386 and var are of pointer type or not. Make sure not to fall
2387 over the frontends lazyness wrt array to pointer decay though.
2389 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2391 * arm.c (arm_struct_value_rtx): Delete.
2392 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2393 (arm_init_cumulative_args): Always initialize nregs to zero.
2395 2006-05-10 Richard Guenther <rguenther@suse.de>
2397 PR tree-optimization/27532
2398 * tree-object-size.c (plus_expr_object_size): Fix typo.
2400 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2403 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2404 ashrdi_const, ashrdi3): Use a scratch register.
2406 2006-05-10 Richard Guenther <rguenther@suse.de>
2408 PR tree-optimization/27302
2409 * fold-const.c (operand_equal_p): For two comparisons,
2410 try comparison of one comparison code swapped if that yields
2413 2006-05-10 Ben Elliston <bje@au.ibm.com>
2415 * tree-pretty-print.c (pretty_print_string): No need to handle
2416 '\0' as a special character.
2418 * tree.h: Include "hashtab.h".
2419 (iterative_hash_expr): Use hashval_t in its prototype.
2420 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2422 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2425 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2426 (hppa*64*-*-hpux11*): Ditto.
2427 (hppa[12]*-*-hpux11*): Ditto.
2429 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2432 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2434 2006-05-09 Michael Matz <matz@suse.de>
2436 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2437 host_extra_gcc_objs and host_xmake_file.
2438 (<*-*-linux*>): Don't overwrite host_xmake_file.
2439 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2440 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2441 (host_detect_local_cpu): Declare.
2442 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2443 * config/i386/i386.c (override_options): Handle -mtune=native
2445 * config/i386/x-i386: New file.
2446 * config/i386/driver-i386.c: New file.
2447 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2450 2006-05-09 Dirk Mueller <dmueller@suse.de>
2451 Richard Guenther <rguenther@suse.de>
2454 * fold-const.c (fold_read_from_constant_string): Relax check
2455 for matching types to matching modes.
2457 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2459 PR rtl-optimization/27335
2460 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2463 2006-05-08 Chao-ying Fu <fu@mips.com>
2464 Richard Sandiford <richard@codesourcery.com>
2466 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2467 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2468 * config/mips/mips.md (UNSPEC_SCC): New constant.
2469 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2470 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2471 (mips_emit_compare): Use it.
2472 (mips_expand_vcondv2sf): New function.
2474 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2476 Fix PR tree-optimization/27093
2477 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2478 renaming when they become not-used_alone.
2480 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2482 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2483 relocation and relocation stubs.
2485 2006-05-08 Eric Christopher <echristo@apple.com>
2487 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2490 2006-05-08 Jan Hubicka <jh@suse.cz>
2493 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2494 unused static functions are needed.
2496 2006-05-08 Roger Sayle <roger@eyesopen.com>
2499 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2500 of a reg_equiv_constant if the result is a legitimate constant.
2502 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2505 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2506 standard 80387 constants, raise the cost to prevent
2507 compress_float_constant() to generate load from memory.
2509 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2511 * config/arm/constraints.md (c): Fix a typo.
2513 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2516 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2519 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2521 (_mm_mwait): Likewise.
2523 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2525 (sse3_monitor): Make it 32bit only.
2526 (sse3_monitor64): New. 64bit monitor.
2528 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2531 * config/i386/i386.c (classify_argument): Skip fields with invalid
2534 2006-05-07 Richard Guenther <rguenther@suse.de>
2536 PR tree-optimization/27409
2537 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2538 Do not try to find zero-sized subvars.
2540 2006-05-07 Richard Guenther <rguenther@suse.de>
2542 PR tree-optimization/27136
2543 * tree-ssa-loop-niter.c (get_val_for): Correct function
2544 comment, assert requirements.
2545 (loop_niter_by_eval): Stop processing if the iterated
2546 value did not simplify.
2548 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2550 * opts.c (flag_see): remove its setting at -O3.
2552 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2554 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2555 * arm/constraints.md: New file.
2556 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2557 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2558 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2559 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2560 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2561 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2562 * arm.md: Include constraints.md.
2563 (thumb_movsi_insn): Use satisfies_constraint_J.
2564 (movhi, movqi): Use satisfies_constraint_I.
2566 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2568 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2569 for atmeg a645 device.
2571 2006-05-06 Richard Guenther <rguenther@suse.de>
2573 PR tree-optimization/27151
2574 * tree-vect-transform.c (vectorizable_condition): Punt on
2575 values that have a different type than the condition.
2577 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2580 * c-parser.c (c_parser_cast_expression): Only insert casts into
2581 hash table if pointer.
2582 * function.c (used_types_insert_helper): Rename from
2584 (used_types_insert): Call used_types_insert_helper.
2585 * function.h (used_types_insert): Accept only one argument.
2587 2006-05-05 David Edelsohn <edesohn@gnu.org>
2589 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2590 scratch with output modifier.
2592 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2595 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2596 with output modifier.
2598 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2601 * config/mips/mips.c (mips_symbolic_address_p): Return true
2602 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2603 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2605 2006-05-04 Richard Guenther <rguenther@suse.de>
2607 PR tree-optimization/14287
2608 PR tree-optimization/14844
2609 PR tree-optimization/19792
2610 PR tree-optimization/21608
2611 PR tree-optimization/27090
2612 * tree-ssa-pre.c (try_combine_conversion): New function.
2613 (compute_avail): After constructing the value-handle
2614 expression, use try_combine_conversion to combine NOP_EXPRs
2615 with previous value-handle expressions and use the result if it
2618 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2620 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2622 2006-05-04 Jan Hubicka <jh@suse.cz>
2625 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2627 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2629 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2630 that this only matches CONST_INTs. All users changed to VOIDmode
2633 * config/bfin/bfin.c: Include "optabs.h".
2634 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2636 (enum bfin_builtins): Add a number of fractional and vector builtins.
2637 (bfin_init_builtins): Likewise.
2638 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2639 (safe_vector_operand, bfin_expand_binop_builtin,
2640 bfin_expand_unop_builtin): New functions.
2641 (bfin_expand_builtin): Handle the new builtins.
2642 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2645 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2648 * Makefile.in (OBJS-common): Add see.o.
2649 (see.o): Add dependencies.
2650 * common.opt (fsee): New flag for the see optimization was added.
2651 * opts.c (flag_see): Initialized.
2652 * passes.c (init_optimization_passes, pass_see): New pass.
2653 * rtl.h (see_main): Declaration as extern.
2654 * timevar.def (TV_SEE): New.
2655 * tree-pass.h (pass_see): Declaration as extern.
2656 * invoke.texi (-fsee): Document.
2657 * recog.c (validate_simplify_insn): New function.
2658 * recog.h (validate_simplify_insn): Declaration as extern.
2659 * df-problems.c (df_chain_dump): Check for NULL.
2661 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2662 Daniel Berlin <dberlin@dberlin.org>
2664 * cfgrtl.c (insert_insn_bb_end_new): New function.
2665 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2667 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2669 * df.h (struct web_entry): Moved from web.c.
2670 (union_defs): Declaration as extern.
2671 (unionfind_root): Likewise.
2672 (unionfind_union): Likewise.
2673 * web.c (struct web_entry): Moved to df.h.
2674 (unionfind_root): Remove static declaration.
2675 (unionfind_union): Likewise.
2676 (union_defs): Likewise and generalize to use callback function.
2677 (web_main): Update arguments for union_defs function call.
2679 2006-05-04 Richard Guenther <rguenther@suse.de>
2681 PR tree-optimization/26447
2682 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2683 produce SSA_NAME copies before the store stmt to avoid
2684 breaking exception handling.
2686 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2689 * gimplify.c (omp_is_private): If var is shared in some outer context,
2690 return false instead of true. Stop searching on parallel context
2693 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2696 * coverage.c: Use get_gcov_unsigned_t() instead of
2697 unsigned_type_node all over.
2699 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2701 PR tree-optimization/27381
2702 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2703 maintain the same immediate_use links.
2704 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2705 node rather than segfaulting.
2707 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2710 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2711 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2712 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2714 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2716 Fix PR tree-optimization/26626
2717 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2719 * tree-ssa-operands.c (access_can_touch_variable): Allow
2720 typecasting through union pointers.
2722 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2725 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2726 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2727 to find if var will be a global variable even in the nested context.
2728 (omp_copy_decl): Only check for global variable at the end, it might
2729 be overridden in outer contexts.
2730 (scan_sharing_clauses): For global variables don't create a field.
2731 (lower_rec_input_clauses): Do nothing for global shared variables.
2732 Emit a barrier at the end of ILIST if there were any decls in both
2733 firstprivate and lastprivate clauses.
2734 (lower_send_clauses): Do nothing for global variables except for
2737 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2739 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2740 of the correct signedness is returned.
2742 2006-05-02 Jeff Law <law@redhat.com>
2744 PR tree-optimization/27364
2745 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2746 multiply expressions.
2748 2006-05-02 Tom Tromey <tromey@redhat.com>
2750 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2752 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2755 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2756 -mthumb -fPIC are used.
2758 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2759 Joshua Kinard <kumba@gentoo.org>
2762 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2763 with 64-bit pointers.
2765 2006-05-02 Paul Brook <paul@codesourcery.com>
2767 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2769 (create_fix_barrier): Check that a suitable barrier location is
2771 (arm_reorg): Include ftmp->address in allowable range of addresses.
2773 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2776 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2779 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2782 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2783 around RESULT_DECL for result passed by reference.
2784 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2785 * omp-low.c (use_pointer_for_field): Don't look at
2786 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2787 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2788 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2789 time or var for passing by reference for
2790 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2791 TREE_ADDRESSABLE variables when passing by reference.
2793 * omp-low.c (dump_omp_region): Fix output formatting.
2796 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2797 (expand_omp_parallel): Likewise.
2798 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2801 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2802 on statement list containing also constructors and destructors.
2803 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2806 * except.c (duplicate_eh_regions): Fix clearing of
2807 cfun->eh->region_array entries.
2809 2006-05-01 DJ Delorie <dj@redhat.com>
2811 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2813 (gcc_cv_objdump): Likewise.
2814 * configure: Regenerated.
2816 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2819 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2820 templates for case 3 and 4.
2822 2006-05-01 DJ Delorie <dj@redhat.com>
2824 * vec.c: Include bconfig.h when appropriate.
2825 * Makefile.in (build/vec.o): Adjust dependencies.
2826 * mkconfig.sh: Make sure config.h isn't used for build machine
2829 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2831 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2833 (mark_phi_for_rewrite): New function.
2834 (insert_phi_nodes_for, mark_use_interesting): Call
2835 mark_phi_for_rewrite.
2836 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2837 (update_ssa): Initialize and free phis_to_rewrite.
2839 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2841 PR rtl-optimization/27291
2842 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2843 folded to a constant.
2845 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2847 PR tree-optimization/27283
2848 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2849 not whole # of iteration descriptions.
2850 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2851 uses abnormal ssa name.
2852 (niter_for_single_dom_exit): Ditto.
2853 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2854 return just the number of iterations.
2856 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2858 PR tree-optimization/27144
2859 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2860 (record_estimate): Only record constant upper bound.
2861 (infer_loop_bounds_from_undefined): Call
2862 compute_estimated_nb_iterations just once.
2863 (proved_non_wrapping_p): Renamed to ...
2864 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2865 (convert_step_widening, scev_probably_wraps_p): Call
2866 n_of_executions_at_most instead of proved_non_wrapping_p.
2867 (substitute_in_loop_info): Do not replace values in bounds.
2868 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2871 2006-05-01 Richard Henderson <rth@redhat.com>
2874 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2875 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2878 2006-05-01 Roger Sayle <roger@eyesopen.com>
2880 * c-typeck.c (parser_build_binary_op): Don't call the function
2881 unsigned_conversion_warning to spot operand/result type overflow.
2882 (build_binary_op): Instead, call convert_and_check instead of
2883 convert to report the problem when the operands are promoted.
2884 * c-common.c (unsigned_conversion_warning): Make static.
2885 * c-common.h (unsigned_conversion_warning): Delete prototype.
2887 2006-05-01 Richard Guenther <rguenther@suse.de>
2889 PR tree-optimization/26726
2890 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2892 (find_interesting_uses_address): ... we work around here
2893 by folding INDIRECT_REFs in the substituted base.
2895 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2897 * omp-low.c (dump_omp_region): Add newlines.
2899 2006-04-30 Roger Sayle <roger@eyesopen.com>
2901 * common.opt (Woverflow): New command line option.
2902 * c-common.c (constant_expression_warning): Check warn_overflow.
2903 (overflow_waring): Pass OPT_Woverflow to warning.
2904 (unsigned_conversion_warning): Likewise.
2905 (convert_and_check): Likewise.
2906 * doc/invoke.texi: Document new command line option.
2908 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2910 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2911 TARGET_NO_FP_IN_TOC for section anchors.
2912 (optimization_options): Enable section anchors for all
2913 non-"Objective" languages.
2915 2006-04-28 Eric Christopher <echristo@apple.com>
2917 * config/darwin-c.c (darwin_ms_struct): Move this
2918 (darwin_set_default_type_attributes): and this...
2919 * config/darwin.c: ... here.
2920 * config/darwin.h (darwin_ms_struct): Declare.
2922 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2924 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2926 2006-04-28 Roger Sayle <roger@eyesopen.com>
2929 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2930 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2931 an unsigned HOST_WIDE_INT.
2932 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2934 (really_start_incremental_init): No need to call convert because
2935 bitsize_zero_node is already of type bitsizetype.
2936 (push_init_level): Extract the value of constructor_index as an
2937 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2938 (process_init_element): Likewise.
2940 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2942 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2943 value before passing to make_relative_prefix.
2945 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2948 * builtins.c (expand_builtin_memset): Expand val in original mode.
2950 2006-04-27 Eric Christopher <echristo@apple.com>
2952 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2953 with #ifndef/#endif.
2954 * config/darwin-c.c (darwin_ms_struct): New.
2955 (darwin_pragma_ms_struct): Ditto.
2956 (darwin_set_default_type_attributes): Ditto.
2957 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2958 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2959 Register ms_struct pragma.
2960 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2961 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2962 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2963 darwin_set_default_type_attributes if TARGET_MACHO.
2965 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2967 PR tree-optimization/26854
2968 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2969 * doc/tree-ssa.texi: Update immuse iterator documentation.
2970 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2971 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2972 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2973 first_safe_imm_use, next_safe_imm_use): Remove.
2974 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2975 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2976 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2977 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2978 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2979 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2980 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2981 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2982 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2983 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2984 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2985 (perfect_nestify): Use new iterator.
2986 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2988 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2989 (next_imm_name): New field in struct immediate_use_iterator_d.
2990 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2991 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2992 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2993 * tree-cfg.c (replace_uses_by): Use new iterator.
2994 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2995 * tree-ssa-operands.c (correct_use_link): Remove.
2996 (finalize_ssa_use_ops): No longer call correct_use_link.
2998 2006-04-27 Stuart Hastings <stuart@apple.com>
3000 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3001 * config/t-darwin (crt3.o): Use it.
3002 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3003 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3004 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3005 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3006 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3009 2006-04-27 Roger Sayle <roger@eyesopen.com>
3011 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3012 size, force the intermediate into a new pseudo rather instead of
3013 performing both a bitwise AND and a bitwise IOR in memory.
3015 2006-04-27 Richard Guenther <rguenther@suse.de>
3017 PR rtl-optimization/26685
3018 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3019 this one "max-flow-memory-locations".
3021 2006-04-27 Richard Guenther <rguenther@suse.de>
3023 PR tree-optimization/25148
3024 * tree-vrp.c (compare_values): Remove code dealing with
3025 comparisons against type min/max value. Honour overflow
3026 and negative constants in code dealing with comparisons
3027 of plus and minus expressions.
3028 (value_inside_range): Use fold_binary with LE_EXPR and
3029 GE_EXPR rather than compare_values.
3031 2006-04-27 Dirk Mueller <dmueller@suse.de>
3033 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3036 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3038 * basic-block.h (safe_insert_insn_on_edge): Removed.
3039 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3041 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3042 Paolo Bonzini <bonzini@gnu.org>
3045 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3046 (simplify_and_const_int): Same.
3048 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3050 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3052 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3055 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3056 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3057 cgraph_global_info_ready.
3060 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3063 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3064 either decl or init is error_mark_node.
3067 * tree-flow.h (struct omp_region): Add sched_kind.
3068 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3069 instead of extracting omp for data.
3070 (expand_omp_for): Save extracted sched_kind.
3072 2006-04-25 Roger Sayle <roger@eyesopen.com>
3074 * expmed.c (store_bit_field): Also check whether the bitsize is
3075 valid for the machine's "insv" instruction before moving the
3076 target into a pseudo for use with the insv.
3077 * config/i386/predicates.md (const8_operand): New predicate.
3078 * config/i386/i386.md (extv, extzv, insv): Use the new
3079 const8_operand predicate where appropriate.
3081 2006-04-25 DJ Delorie <dj@redhat.com>
3083 * doc/install.texi (Specific): Clarify that this is not a list of
3084 supported hosts or targets.
3086 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3088 PR rtl-optimization/26725
3089 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3090 block's BB_DIRTY flag.
3092 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3094 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3097 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3098 to print an integer.
3100 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3102 * varasm.c (align_variable): New function.
3103 (get_block_for_decl): Apply align_variable to DECL before
3104 calculating section information.
3105 (assemble_variable): Split out alignment computation.
3107 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3109 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3112 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3114 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3115 MODE_PARTIAL_INT mode.
3116 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3117 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3119 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3120 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3122 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3124 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3126 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3127 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3128 MACFLAG_IH): Likewise.
3129 (movstricthi_1): Renamed from "*movstricthi".
3130 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3131 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3132 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3133 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3134 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3135 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3136 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3137 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3138 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3139 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3140 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3141 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3142 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3143 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3144 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3146 * doc/rtl.texi (ss_ashift): Improve wording.
3148 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3150 * dwarf2out.c (verify_marks_clear): New.
3151 (prune_unused_types): Call verify_marks_clear initially, not
3154 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3156 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3157 * doc/rtl.texi: Document them.
3158 * simplify-rtx.c (simplify_unary_operation,
3159 simplify_binary_operation_1): Don't abort when we see them.
3161 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3164 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3165 * configure.ac: Completely disregard languages that are not
3167 * configure: Regenerated.
3169 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3170 Richard Guenther <rguenther@suse.de>
3172 PR tree-optimization/27236
3173 * tree-inline.c (copy_body_r): Make sure to copy
3174 TREE_THIS_VOLATILE flag.
3176 2006-04-24 Richard Guenther <rguenther@suse.de>
3179 * tree-complex.c (update_parameter_components): Don't handle
3180 unused parameters which have no default def.
3182 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3183 Richard Guenther <rguenther@suse.de>
3185 PR tree-optimization/27218
3186 * tree-inline.c (expand_call_inline): Strip useless type
3187 conversions for the return slot address.
3189 2006-04-24 Richard Guenther <rguenther@suse.de>
3191 * cfgloop.h (struct loops): Remove unused field array. Reorder
3193 (LOOP_PREFETCH): Remove.
3195 2006-04-24 Richard Guenther <rguenther@suse.de>
3197 PR tree-optimization/22525
3198 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3199 variable, adjust types of generated expressions.
3201 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3203 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3204 (tree-vect-patterns.o): Likewise.
3206 (cselib.o): Likewise.
3207 (loop-doloop.o): Likewise.
3208 (regclass.o): Likewise.
3209 (reload1.o): Likewise.
3210 (explow.o): Replace target.h with $(TARGET_H).
3211 (ipa-prop.o): Likewise.
3212 (ipa-cp.o): Likewise.
3213 (ipa-inline.o): Likewise.
3214 (reorg.o): Likewise.
3215 (reg-stack.o): Likewise.
3217 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3219 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3221 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3223 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3225 * configure.ac: Completely disregard languages that are not
3227 * configure: Regenerated.
3230 * c-common.h (c_build_bitfield_integer_type): Declare.
3231 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3232 * c-common.c (c_build_bitfield_integer_type): ... here.
3234 2006-04-23 Roger Sayle <roger@eyesopen.com>
3237 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3238 a SImode SUBREG of a floating point register after no_new_pseudos.
3240 2006-04-23 Roger Sayle <roger@eyesopen.com>
3242 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3243 identify potentially eliminable registers to additionally catch
3244 VIRTUAL_INCOMING_ARGS_REGNUM.
3245 (addsi3): Update the conditions on when to use addsi_small_int.
3247 2006-04-23 Roger Sayle <roger@eyesopen.com>
3250 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3251 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3252 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3254 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3256 * fold-const.c (range_predecessor): Use operand_equal_p
3257 as the predicate for equality.
3258 (range_successor): Likewise.
3260 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3263 * config/soft-fp/op-common.h: Fix a typo.
3265 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3268 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3269 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3271 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3273 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3275 * doc/tm.texi: Fix a typo.
3277 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3279 * dwarf2out.c (struct die_struct): Document that die_sib makes
3280 a circular linked list.
3281 (FOR_EACH_CHILD): New.
3282 (reverse_die_lists): Delete.
3283 (reverse_all_dies): Delete.
3284 (add_dwarf_attr): Correct documentation.
3285 (remove_child_with_prev): New.
3286 (remove_child_TAG): Update for change to die_struct, use
3287 remove_child_with_prev.
3288 (add_child_die): Update for change to die_struct.
3289 (splice_child_die): Use remove_child_with_prev and add_child_die.
3290 (print_die): Use FOR_EACH_CHILD.
3291 (die_checksum): Likewise.
3292 (assign_symbol_names): Likewise.
3293 (output_location_lists): Likewise.
3294 (build_abbrev_table): Likewise.
3295 (calc_die_sizes): Likewise.
3296 (mark_dies): Likewise.
3297 (unmark_dies): Likewise.
3298 (unmark_all_dies): Likewise.
3299 (output_die): Likewise.
3300 (prune_unused_types_mark): Likewise.
3301 (prune_unused_types_walk): Likewise.
3302 (same_die_p): Update for change to die_struct.
3303 (break_out_includes): Likewise.
3304 (prune_unused_types_prune): Likewise.
3305 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3306 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3308 (dwarf2out_finish): Don't call reverse_all_dies.
3310 2006-04-21 Eric Christopher <echristo@apple.com>
3312 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3313 in comments and function names.
3315 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3318 * c-typeck.c (digest_init): Robustify.
3320 * c-typeck.c (pop_init_level): Simplify.
3322 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3324 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3326 2006-04-21 Paul Brook <paul@codesourcery.com>
3328 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3329 hardware floating point.
3331 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3333 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3336 2006-04-21 Nick Clifton <nickc@redhat.com>
3338 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3341 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3344 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3345 C++ lang type in traceback table for Objective-C++.
3347 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3349 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3351 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3353 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3356 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3357 were errors. Remove check for erroneous objects.
3359 2006-04-20 Jeff Law <law@redhat.com>
3361 PR tree-optimization/26854
3362 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3363 checking for zero or one use.
3364 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3365 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3366 * tree-ssa-reassoc.c (negate_value): Similarly.
3367 (reassociate_bb): Similarly.
3369 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3371 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3372 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3373 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3375 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3377 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3378 fp regs if the last fp arg doesn't fit in regs.
3380 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3383 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3384 that the last insn has the REG_INC note.
3386 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3387 Nathan Sidwell <nathan@codesourcery.com>
3390 * stor-layout.c (update_alignment_for_field): Do not align
3392 (place_union_field): Place union field at the start of the union.
3393 (place_field): Move ERROR_MARK check later, and use the current
3394 allocation position to maintain monotonicity.
3396 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3398 * dominance.c: Include timevar.h.
3399 (calculate_dominance_info): Use TV_DOMINANCE.
3400 * timevar.def (TV_DOMINANCE): New timevar.
3401 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3403 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3405 PR rtl-optimization/14261
3406 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3407 move would be an INSV insn.
3408 (noce_process_if_block): Don't optimize if the destination is a
3409 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3411 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3413 * config/s390/s390.md: Add comments with the instructions emitted
3414 by an insn pattern if macros are used.
3416 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3418 PR rtl-optimization/26026
3419 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3420 is a known power of two shifted left a variable amount.
3422 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3424 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3425 to hash table twice when the debug_str section has SECTION_MERGE.
3427 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3429 * config/soft-fp: New directory. From glibc.
3430 * config/soft-fp/t-softfp: New.
3431 * config/soft-fp/README: New.
3432 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3433 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3434 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3435 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3436 * config.gcc: Use rs6000/t-fprules-fpbit or
3437 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3439 * config/rs6000/sfp-machine.h: New. Based on glibc.
3440 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3442 * config/rs6000/t-fprules: Remove fp-bit rules.
3443 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3444 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3445 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3446 (softfp_wrap_start, softfp_wrap_end): New.
3448 2006-04-18 DJ Delorie <dj@redhat.com>
3450 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3452 2006-04-18 Devang Patel <dpatel@apple.com>
3454 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3456 2006-04-18 Nick Clifton <nickc@redhat.com>
3458 * config/sh/t-symbian: Add rule to build sh-c.o
3459 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3460 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3461 (sh_symbian_encode_section_info): Likewise.
3463 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3465 * builtins.c (expand_builtin_strcmp): Cover label definition of
3466 do_libcall with HAVE_cmpstrnsi.
3468 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3470 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3472 * function.h (temp_slot_p): New.
3473 (function): Change the type of x_used_temp_slots to
3474 VEC(temp_slot_p,gc) *.
3476 2006-04-18 Nick Clifton <nickc@redhat.com>
3478 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3479 flag_strength_reduce.
3481 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3483 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3487 Partial revert of revision 112637
3488 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3489 Dale Johannesen <dalej@apple.com>
3492 * regclass.c (struct reg_pref): Update documentation.
3493 (regclass): Set prefclass to NO_REGS if memory is the best option.
3494 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3496 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3498 PR tree-optimization/26821
3499 * tree-ssa-math-opts.c (get_constant_one): New.
3500 (insert_reciprocals): Use it.
3502 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3504 * dwarf2out.c (free_AT): Delete.
3505 (remove_AT): Update string ref counts.
3506 (remove_child_TAG): Don't call free_die.
3508 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3509 or DW_TAG_GNU_EINCL.
3510 (prune_unused_types_walk_attribs): Reset string refcounts.
3511 (prune_unused_types_update_strings): New.
3512 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3513 call free_die. Do call prune_unused_types_update_strings.
3514 (prune_unused_types): Empty debug_str_hash.
3516 2006-04-17 Roger Sayle <roger@eyesopen.com>
3518 * expr.c (expand_assignment): Optimize away no-op moves where the
3519 source and destination are equal and have no side-effects.
3521 2006-04-17 Richard Guenther <rguenther@suse.de>
3524 * reload.c (push_reload): Guard calls to get_secondary_mem
3527 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3529 * alias.c (reg_base_value, old_reg_base_value): Change the
3530 type to VEC(rtx,gc) *.
3531 (REG_BASE_VALUE, find_base_value, record_set,
3532 init_alias_analysis): Use VEC instead of VARRAY.
3534 * alias.c (alias_sets): Change the type to
3535 VEC(alias_set_entry,gc) *.
3536 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3537 VEC instead of VARRAY.
3538 (last_alias_set): Remove.
3540 * cgraph.h (cgraph_edge_p): New.
3541 Update the prototype of cgraph_function_versioning.
3542 * cgraphunit.c (cgraph_copy_node_for_versioning,
3543 cgraph_function_versioning): Use VEC instead of VARRAY.
3544 * ipa-cp.c (ipcp_insert_stage): Likewise.
3546 2006-04-16 Roger Sayle <roger@eyesopen.com>
3549 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3550 "A op B" or "A op C", we may need to convert A to the type of B and C.
3552 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3554 * target.h (struct gcc_target): Add mode_rep_extended.
3555 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3556 (init_num_sign_bit_copies_in_rep): Initialize it using
3558 (truncate_to_mode): Use it.
3559 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3560 * targhooks.h (default_mode_rep_extended): Declare it.
3561 * targhooks.c (default_mode_rep_extended): Define it.
3562 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3563 default_mode_rep_extended.
3564 (TARGET_INITIALIZER): Include it.
3565 * doc/tm.texi (Misc): Document it.
3566 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3567 (mips_truncated_to_mode): New function.
3569 2006-04-16 Roger Sayle <roger@eyesopen.com>
3572 * expr.c (compress_float_constant): Copy the narrow constant into
3573 a new pseudo before extending it to its final width.
3575 2006-04-16 Roger Sayle <roger@eyesopen.com>
3576 Andrew Pinski <pinskia@gcc.gnu.org>
3577 Dale Johannesen <dalej@apple.com>
3580 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3581 special case code to implement V8HImode and V16QImode with SSE2.
3583 2006-04-15 Roger Sayle <roger@eyesopen.com>
3585 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3586 trees are constructed with a suitable tree type.
3588 2006-04-15 Roger Sayle <roger@eyesopen.com>
3590 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3591 (integer_onep): Likewise.
3592 (integer_all_onesp): Likewise.
3593 (integer_pow2p): Likewise.
3594 (integer_nonzerop): Likewise.
3595 (real_zerop): Likewise.
3596 (real_onep): Likewise.
3597 (real_twop): Likewise.
3598 (real_minus_onep): Likewise.
3599 (int_size_in_bytes): Likewise.
3600 (host_integerp): Likewise.
3602 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3604 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3605 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3606 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3608 * tree-ssa-structalias.h (alias_info): Remove num_references.
3610 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3612 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3613 (output_bvb patterns): Likewise.
3614 * pa.c (output_bb): Use 'bb' insn for long branch case.
3615 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3616 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3617 1. Correct length operand for alternatives 1 and 2.
3618 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3619 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3621 2006-04-14 Roger Sayle <roger@eyesopen.com>
3623 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3624 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3625 were accidentally reverted by r112959.
3627 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3630 * except.h (eh_region_outermost): New prototype.
3631 * except.c (eh_region_outermost): New function.
3632 * tree-cfg.c (find_outermost_region_in_block): Use it.
3634 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3636 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3638 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3639 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3640 (init_reload, reload): Use VEC instead of VARRAY.
3641 * reload.h: Update the prototype for
3642 reg_equiv_memory_loc_varray.
3644 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3645 Eric Botcazou <ebotcazou@libertysurf.fr>
3647 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3650 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3653 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3654 to expand fallback builtin function call.
3656 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3659 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3660 and emit libcall here in case the builtin fails.
3661 (expand_builtin_strcmp): Always emit the libcall here on failure.
3663 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3665 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3666 * flow.c (reg_n_info): Change the type to
3667 VEC(reg_info_p,heap) *.
3668 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3670 * regs.h (reg_info_p): New.
3671 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3672 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3673 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3676 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3678 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3680 * params.h (MAX_SCHED_READY_INSNS): New macro.
3681 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3682 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3683 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3684 the ready list for 1 cycle during the first scheduling pass.
3685 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3687 2006-04-13 Richard Henderson <rth@redhat.com>
3690 * gimple-low.c (lower_omp_directive): Remove dead code.
3691 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3692 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3693 * omp-low.c (struct omp_region): Move to tree-flow.h.
3694 (root_omp_region): Export.
3695 (omp_regions, lookup_omp_region): Remove.
3696 (determine_parallel_type): Update for struct omp_region changes.
3697 (dump_omp_region): Dump regions with block numbers.
3698 (new_omp_region): Take type and block instead of stmt; malloc
3700 (free_omp_region_1, free_omp_regions): New.
3701 (expand_parallel_call): Take entry_stmt as argument; update for
3702 changes to omp_region.
3703 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3704 (remove_exit_barriers): New.
3705 (expand_omp_parallel): Update for struct omp_region changes.
3706 (expand_omp_synch): Likewise.
3707 (expand_omp): Likewise.
3708 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3709 (expand_omp_for_static_chunk): Likewise.
3710 (expand_omp_for): Likewise.
3711 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3712 (expand_omp_sections): Similarly, with GOMP_sections_end.
3713 (expand_omp_single): New.
3714 (build_omp_regions_1): Update for OMP_CONTINUE.
3715 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3716 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3717 OMP_SECTIONS_SECTIONS.
3718 (lower_omp_single_simple): Don't emit barrier here.
3719 (lower_omp_single_copy): Likewise.
3720 (lower_omp_single): Fix bindings, and lower to straightline now.
3721 (lower_omp_master, lower_omp_ordered): Likewise.
3722 (lower_omp_critical): Likewise.
3723 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3724 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3725 omp edges, free it afterward.
3726 (make_omp_sections_edges): Remove.
3727 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3728 (move_stmt_r): Handle OMP_CONTINUE.
3729 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3730 statement pointers to basic blocks. Add type member.
3731 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3732 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3733 * tree-inline.c (estimate_num_insns_1): Likewise.
3734 * tree-pretty-print.c (dump_generic_node): Likewise.
3735 * tree-ssa-operands.c (get_expr_operands): Likewise.
3736 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3737 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3738 (OMP_CONTINUE): New.
3739 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3740 (OMP_SECTIONS_SECTIONS): Remove.
3741 (OMP_SECTION_LAST): New.
3742 (OMP_RETURN_NOWAIT): New.
3744 2006-04-13 Roger Sayle <roger@eyesopen.com>
3746 * fold-const.c (native_encode_vector, native_interpret_real):
3747 Correct obvious mistakes in the previous check-in.
3749 2006-04-13 Roger Sayle <roger@eyesopen.com>
3751 * fold-const.c (native_encode_expr): New function to encode
3752 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3753 or VECTOR_CST into a specified buffer.
3754 (native_encode_int): New function.
3755 (native_encode_real): New function.
3756 (native_encode_complex): New function.
3757 (native_encode_vector): New function.
3758 (native_interpret_expr): Inverse of native_encode_expr to convert
3759 a target representation into an INTEGER_CST, REAL_CST etc...
3760 (native_interpret_int): New function.
3761 (native_interpret_real): New function.
3762 (native_interpret_complex): New function.
3763 (native_interpret_vector): New function.
3764 (fold_view_convert_expr): New function to constant fold/evaluate
3765 a VIEW_CONVERT_EXPR of a suitable constant expression.
3766 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3767 Change call of build1 to fold_build1 when constructing a
3770 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3771 Ulrich Weigand <uweigand@de.ibm.com>
3774 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3777 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3780 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3781 optimize to lo_sum for DFmode if !TARGET_FPRS.
3783 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3785 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3786 delete_alias_info, compute_flow_sensitive_aliasing,
3787 group_aliases): Use VEC instead of VARRAY.
3788 * tree-ssa-structalias.c (update_alias_info): Likewise.
3789 * tree-ssa-structalias.h (alias_info): Change the type of
3790 processed_ptrs to VEC(tree,heap) *.
3792 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3795 * config/sh/lib1funcs.h: New file, broken out of:
3796 * config/sh/lib1funcs.asm.
3797 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3799 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3800 * config/sh/lib1funcs-Os-4-200.asm: New file.
3801 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3802 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3803 (EXTRA_MULTILIB_PARTS): Include it.
3804 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3805 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3806 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3807 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3810 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3812 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3813 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3814 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3816 * tree-ssa-live.h: Include vecprim.h.
3817 (tree_partition_associator_d): Change the type of
3818 first_partition to VEC(int,heap) *.
3819 (tpa_first_partition): Use VEC instead of VARRAY.
3821 * Makefile.in (GTFILES): Move functions.h after tree.h.
3822 * function.c (reset_block_changes, record_block_change,
3823 check_block_change, free_block_changes): Use VEC instead of
3825 * function.h (function): Change the type of
3826 ib_boundaries_block to VEC(tree,gc) *.
3827 * tree-inline.c (copy_cfg_body): Initialize
3828 ib_boundaries_block to NULL instead of (varray_type) 0.
3830 2006-04-12 Roger Sayle <roger@eyesopen.com>
3832 * expr.c (emit_group_store): Correct operand order in call to
3833 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3834 a SUBREG_BYTE of zero.
3836 2006-04-12 Richard Guenther <rguenther@suse.de>
3838 * profile.c (compute_branch_probabilities): Remove code
3839 encapsulated in !ir_type (), which are remanents of the
3840 removed RTL profiling code.
3841 * rtl-profile.c: Remove.
3843 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3845 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3846 magic NULL_RTX comment.
3847 (function_arg): Store entire fp arg to mem if any part should go
3849 (rs6000_arg_partial_bytes): Adjust for above change.
3851 2006-04-11 Roger Sayle <roger@eyesopen.com>
3853 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3854 if it hasn't been initialized by dwarf2out_init.
3856 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3858 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3859 symbolic constants in branch patterns.
3861 2006-04-11 Roger Sayle <roger@eyesopen.com>
3863 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3865 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3867 PR rtl-optimization/27073
3868 * gcse.c (try_replace_reg): Revert last change. Continue to search
3869 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3872 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3874 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3875 aggregate types other than record and union types.
3876 (function_arg): Likewise.
3877 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3879 (function_value): In 64-bit mode, return objects that require it
3882 2006-04-11 Roger Sayle <roger@eyesopen.com>
3884 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3886 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3888 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3890 2006-04-03 Jeff Law <law@redhat.com>
3893 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3894 alias information too.
3896 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3898 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3900 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3903 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3904 (premark_used_types_helper): New.
3905 (premark_used_types): New.
3906 (gen_subprogram_die): Call premark_used_types.
3907 (prune_unused_types_walk): Do not prune perennial dies.
3908 * function.c (used_types_insert): New.
3909 * function.h (struct function): Add used_types_hash field.
3910 (used_types_insert): Add prototype.
3911 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3912 * c-parser.c (c_parser_cast_expression): Save casted types in used
3915 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3918 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3919 rs6000_explicit_options.float_gprs.
3921 2006-04-10 Roger Sayle <roger@eyesopen.com>
3923 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3924 from ix86_expand_vector_init_low_nonzero. Take an additional
3925 one_var argument indicating which element is non-zero. Support
3926 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3927 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3928 with one_var instead of ix86_expand_vector_init_low_nonzero.
3930 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3932 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3933 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3934 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3935 build/genextract.o): Depend on vecprim.h.
3936 * cfglayout.c, df-problems.c, function.c, genextract.c,
3937 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3938 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3942 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3944 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3945 Declare VECs of this type.
3946 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3947 (remove_children): Delete.
3948 (add_dwarf_attr): Use VEC routines.
3949 (add_AT_flag): Update for changes to add_dwarf_attr.
3950 (add_AT_int): Likewise.
3951 (add_AT_unsigned): Likewise.
3952 (add_AT_long_long): Likewise.
3953 (add_AT_vec): Likewise.
3954 (add_AT_string): Likewise.
3955 (add_AT_die_ref): Likewise.
3956 (add_AT_fde_ref): Likewise.
3957 (add_AT_loc): Likewise.
3958 (add_AT_loc_list): Likewise.
3959 (add_AT_addr): Likewise.
3960 (add_AT_lbl_id): Likewise.
3961 (add_AT_lineptr): Likewise.
3962 (add_AT_macptr): Likewise.
3963 (add_AT_offset): Likewise.
3964 (add_AT_range_list): Likewise.
3965 (get_AT): Use VEC_iterate.
3966 (remove_AT): Use VEC_ordered_remove.
3967 (free_die): Fold remove_children into here; have it use VEC_iterate.
3968 (print_die): Use VEC_iterate on attrs.
3969 (reverse_die_lists): Don't reverse attr lists.
3970 (die_checksum): Use VEC_iterate on attrs.
3971 (same_die_p): Likewise.
3972 (output_location_lists): Likewise.
3973 (build_abbrev_table): Likewise.
3974 (size_of_die): Likewise.
3975 (unmark_all_dies): Likewise.
3976 (output_abbrev_section): Likewise.
3977 (output_die): Likewise.
3978 (prune_unused_types_walk_attribs): Likewise.
3980 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3982 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3984 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3987 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3989 2006-04-09 Roger Sayle <roger@eyesopen.com>
3991 * expr.c (store_constructor): Don't bother clearing target if
3992 we're about to assign a vector to it using vec_init_optab.
3994 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3996 * tree-ssa-alias.c (lhs_may_store_to): New function.
3997 (recalculate_used_alone): Handle LHS of calls.
3999 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4003 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4004 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4005 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4006 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4007 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4008 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4009 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4010 stubs. Add ".align 8" directives before all ".dword" directives.
4011 (GTHREAD_USE_WEAK): Revise comment.
4012 (TARGET_ATTRIBUTE_WEAK): Define.
4013 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4014 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4015 * stublib.c: New file.
4020 * pa.md (cbranch patterns): Revise arguments used in calls to
4021 output_cbranch, output_bb and output_bvd. Add long branch length
4023 (fbranch patterns): Handle long branches.
4024 (jump): Revise length check. Revise arguments for output_lbranch call.
4025 Add long branch length attributes.
4026 (decrement_and_branch_until_zero): Add long branch length attributes.
4027 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4028 Likewise. Revise arguments for output_parallel_addb and
4029 output_parallel_movb calls.
4030 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4031 output_parallel_movb and output_parallel_addb): Update prototypes.
4032 * pa.c (output_cbranch): Revise arguments. Correct handling of
4033 nullification in long branches.
4034 (output_lbranch): Add new argument to control extraction of delay
4036 (output_bb): Handle long branches.
4037 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4038 output_parallel_addb): Likewise.
4040 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4042 PR rtl-optimization/27073
4043 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4046 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4048 * tree.h (tree_memory_tag): Add old_used_alone.
4049 (SMT_OLD_USED_ALONE): New macro.
4050 * tree-ssa-alias.c (recalculate_used_alone): Stop
4051 marking things for renaming unnecessarily.
4053 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4055 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4056 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4057 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4058 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4059 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4060 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4061 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4062 spelling convensions.
4063 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4064 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4065 typos. Follow spelling conventions.
4067 2006-04-07 DJ Delorie <dj@redhat.com>
4069 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4070 passed on the stack.
4071 (m32c_init_cumulative_args): When a function returns a structure,
4072 always pass the pointer to that return area on the stack.
4073 (m32c_function_arg_advance): Don't increment the parameter number
4074 if we're processing the returned structure pointer.
4075 (pushm_info): Reverse order of registers.
4077 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4079 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4080 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4081 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4082 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4084 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4085 chrec_fold_multiply): Same.
4086 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4087 force_expr_to_var_cost): Same.
4088 * tree-mudflap.c (mf_xform_derefs_1): Same.
4089 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4091 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4093 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4094 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4097 2006-04-07 Jan Hubicka <jh@suse.cz>
4099 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4101 2006-04-07 Richard Guenther <rguenther@suse.de>
4103 PR tree-optimization/26135
4104 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4105 loads for store copy-prop.
4106 (copy_prop_visit_stmt): Likewise.
4108 2006-04-05 Robert Millan <robertmh@gnu.org>
4110 * config/i386/linux.h: Add a comment to mark macros that are
4111 being overriden in config/k*bsd-gnu.h.
4112 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4114 * config/knetbsd-gnu.h: Ditto.
4116 2006-04-06 Jan Hubicka <jh@suse.cz>
4120 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4123 2006-04-06 Mike Stump <mrs@apple.com>
4125 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4126 for HAVE_nonlocal_goto to be consistent.
4127 (expand_builtin_nonlocal_goto): Likewise.
4128 (expand_builtin_strcmp): Use #ifdef instead of #if
4129 for HAVE_cmpstrnsi to be consistent.
4131 2006-04-05 DJ Delorie <dj@redhat.com>
4133 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4136 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4138 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4139 got-relative addressing for anything but SImode.
4141 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4142 even if the calling function doesn't modify them.
4144 2006-04-05 Richard Guenther <rguenther@suse.de>
4146 PR tree-optimization/26919
4147 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4148 to cgraph_estimate_size_after_inlining.
4150 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4152 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4154 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4156 PR tree-optimization/26996
4157 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4158 VECTOR_TYPE variables.
4160 2006-04-05 Richard Guenther <rguenther@suse.de>
4162 PR tree-optimization/26763
4163 * fold-const.c (fold_comparison): Move folding of
4164 PTR + CST CMP PTR + CST ...
4165 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4167 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4169 * doc/install.texi (Prerequisites): Refine some wording on
4170 bootstrapping and ksh.
4171 Move the version numbers of DejaGnu here from the testing section
4172 and fix casing of names.
4173 Fix markup and clarify wording for autogen requirements.
4174 Refer to GCJ instead of just java.
4175 Refer to SVN instead of CVS.
4176 Describe diffutils as useful instead of necessary.
4177 (Downloading the source): Refer to SVN instead of CVS.
4178 Adjust a link to our web site accordingly.
4179 (Configuration): Fix casing of Bison.
4180 (Building): Refer to SVN instead of CVS.
4181 Fix a sentence on the use of Bison and remove duplicate (and
4182 incorrect) version number of Bison requirement.
4183 Remove one redundant list of packages needed for building.
4184 (Specific): Avoid reference to CVS.
4186 2006-04-04 Eric Christopher <echristo@apple.com>
4188 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4189 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4190 (rs6000_handle_struct_attribute): New.
4191 (rs6000_ms_bitfield_layout_p): Ditto.
4193 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4195 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4196 NULL for dso parameter to atexit_common.
4198 2006-04-04 Eric Christopher <echristo@apple.com>
4200 * config/i386/i386.c (machopic_output_stub): Output \t
4201 between instructions and operands.
4203 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4205 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4206 satisfies_constraint_[IL] to explicit tests on value.
4208 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4210 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4211 set_nb_iterations_in_loop): Use build_int_cst instead of
4213 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4214 build_int_cst instead of convert.
4216 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4218 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4219 new value 2 for incoming.
4220 * function.c (expand_function_start): Call struct_value_rtx
4222 * config/sparc/sparc.md: Comment updated_return.
4223 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4224 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4225 struct return if sparc_std_struct_return and incoming is 2.
4226 (print_operand): Do not adjust return if
4227 sparc_std_struct_return.
4229 2006-04-04 Roger Sayle <roger@eyesopen.com>
4231 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4232 convert in the middle-end.
4233 * expr.c (store_expr, store_constructor, get_inner_reference,
4234 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4236 * tree.c (build_range_type): Likewise.
4238 2006-04-04 Tom Tromey <tromey@redhat.com>
4240 * doc/install.texi (Prerequisites): Mention jar.
4242 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4244 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4247 2006-04-04 Matthias Klose <doko@debian.org>
4249 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4250 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4253 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4255 * doc/extend.texi (Function Attributes): Rewrite visibility
4256 attribute documentation.
4257 * doc/invoke.texi (C++ Dialect Options): Rewrite
4258 -fvisibility-inlines-hidden documentation to describe something
4259 entirely different, although in practise compatible.
4260 (Code Gen Options): Warn about system headers in -fvisibility=
4263 * doc/extend.texi (Other Builtins): Document that
4264 __builtin_nan is a compile-time constant only when its argument
4267 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4269 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4270 trying to remove TRUNCATE check if all bits outside the new mode
4271 are identical to the sign bit.
4273 2006-04-03 Jeff Law <law@redhat.com>
4275 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4276 and operand scanning in some common cases.
4278 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4279 Dale Johannesen <dalej@apple.com>
4282 * regclass.c (struct reg_pref): Update documentation.
4283 (regclass): Set prefclass to NO_REGS if memory is the best option.
4284 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4285 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4286 into account. For non-registers, equate an empty preferred
4287 reload class to a `!' in the constraint; move the if clause to
4288 do so after those that reject the insn.
4289 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4291 (find_dummy_reload): Likewise.
4292 * doc/tm.texi (Register Classes): Document what it means
4293 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4294 * config/i386/i386.c (ix86_preferred_reload_class): Force
4295 using SSE registers (and return NO_REGS for floating-point
4296 constants) if math is done with SSE.
4297 (ix86_preferred_output_reload_class): New.
4298 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4299 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4300 * config/i386/i386.md: Remove # register preferences.
4302 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4305 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4306 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4307 the type of nb_iter.
4308 (instantiate_parameters_1): Convert the operands before calling
4309 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4310 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4312 2006-04-02 Roger Sayle <roger@eyesopen.com>
4314 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4315 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4317 * dojump.c (do_jump): Likewise.
4318 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4319 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4320 gimplify_boolean_expr): Likewise.
4321 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4322 * varasm.c (array_size_for_constructor): Likewise.
4323 * tree-object-size.c (compute_object_offset): Likewise.
4325 2006-04-02 Roger Sayle <roger@eyesopen.com>
4328 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4329 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4331 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4333 PR tree-optimization/26939
4334 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4336 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4338 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4339 at_stmt. Convert the type of operands before calling
4340 build_polynomial_chrec.
4341 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4343 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4344 (instantiate_parameters_1): Convert the type of operands before calling
4345 build_polynomial_chrec.
4346 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4347 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4348 reset_evolution_in_loop): Insert asserts to check the types of the
4350 (chrec_type): Moved...
4351 (eq_evolutions_p): Use operand_equal_p.
4352 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4353 the types of the operands.
4354 (chrec_type): ...here.
4355 * tree-data-ref.c (create_data_ref): Convert the operands before
4356 calling chrec_replace_initial_condition.
4357 (same_access_functions, analyze_subscript_affine_affine,
4358 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4359 (compute_subscript_distance, analyze_ziv_subscript,
4360 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4361 analyze_miv_subscript): Convert the operands before calling
4362 chrec_fold_minus or chrec_fold_plus.
4364 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4366 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4367 the dependence_relations vector.
4368 (compute_data_dependences_for_loop): Adjust call to
4369 compute_all_dependences.
4371 2006-04-01 Roger Sayle <roger@eyesopen.com>
4372 Richard Henderson <rth@redhat.com>
4374 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4375 gimple_boolify on the condition before calling gimplify_expr.
4377 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4379 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4380 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4381 the frame size. Update to use the new macros.
4382 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4383 * config/xtensa/ieee754-df.S: Likewise.
4385 2006-03-31 Richard Henderson <rth@redhat.com>
4387 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4388 (make_edges): ... here. Control fallthru creation with a local
4389 variable. Do not play with fake edges.
4390 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4391 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4394 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4396 * dwarf2.h (DW64_CIE_ID): Define.
4397 * dwarf2out.c (DWARF_CIE_ID): Define.
4398 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4399 length header. Use DWARF_CIE_ID.
4400 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4401 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4403 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4405 * config/sh/linux-atomic.asm: New file.
4406 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4408 2006-03-31 DJ Delorie <dj@redhat.com>
4410 * config/m32c/cond.md: Set condition flags properly throughout.
4411 * config/m32c/minmax.md: Likewise.
4412 * config/m32c/prologue.md: Likewise.
4413 * config/m32c/bitops.md: Likewise.
4414 * config/m32c/muldiv.md: Likewise.
4415 * config/m32c/mov.md: Likewise.
4416 * config/m32c/addsub.md: Likewise.
4417 * config/m32c/m32c.md: Likewise.
4418 * config/m32c/jump.md: Likewise.
4419 * config/m32c/shift.md: Likewise.
4421 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4422 conditionally output the pattern for this.
4423 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4424 (m32c_compare_redundant): New.
4425 (m32c_output_compare): New.
4426 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4428 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4429 dest, not src. Allow other 4-byte modes.
4431 2006-03-30 Denis Chertykov <denisc@overta.ru>
4433 * doc/md.texi: Refer to avr/constraints.md instead of
4436 2006-03-30 Roger Sayle <roger@eyesopen.com>
4438 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4439 signed vs. unsigned comparison failures on some hosts.
4441 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4444 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4445 change to FLOAT_REGS.
4447 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4448 (rs6000_override_options): Use it.
4449 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4450 only for -mabi=spe/no-spe and -mabi=altivec.
4452 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4454 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4457 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4459 * Makefile.in: Rename docdir to gcc_docdir.
4461 2006-03-30 Roger Sayle <roger@eyesopen.com>
4464 * expr.c (emit_group_store): Optimize group stores into a pseudo
4465 register by using a paradoxical subreg to initialize the destination
4466 if the first or last member of the group specifies a "low part".
4468 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4471 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4472 * target.h (struct gcc_target.speculate_insn): Change type of the
4473 second parameter to 'int'.
4474 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4475 the second operand of the DEPS_LIST.
4476 (copy_DEPS_LIST_list): Update reference to the second operand of the
4478 * rtl.h (alloc_DEPS_LIST): Update signature.
4479 * sched-int.h (ds_t): Change typedef to 'int'.
4480 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4482 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4484 * haifa-sched.c (try_ready): Change condition to restore
4485 non-speculative pattern of the instruction.
4486 (process_insn_depend_be_in_spec): Code to keep probability of the
4487 speculative dependence non-decreasing.
4489 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4491 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4492 (single_move_for_movmem): ... this. Also change all uses.
4493 (bfin_expand_strmov): Renamed to...
4494 (bfin_expand_movmem): ... this. Also change all uses.
4495 * config/bfin/bfin.md (movstrsi): Renamed to...
4496 (movstrsi): ...this.
4498 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4500 PR tree-optimization/26830
4502 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4503 (copy_prop_visit_stmt): Remove write-only variable ann.
4504 (init_copy_prop): Check variable loop depth here. Do not simulate
4505 memory-tag and virtual operand PHIs except for store copy prop.
4507 2006-03-30 Richard Guenther <rguenther@suse.de>
4509 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4510 variants with double arguments.
4512 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4514 * genpreds.c (write_tm_constrs_h): Delete variable p.
4515 * genconditions.c (write_header): Add tm-constrs.h to included
4517 * genpeep.c (main): Add toplev.h to included headers.
4518 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4519 (build/genpeep.o): Add toplev.h dependency.
4520 * config/rs6000/constraints.md: Add "W" constraint.
4522 2006-03-29 Roger Sayle <roger@eyesopen.com>
4524 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4525 sizes by correctly testing whether the size fits a host integer.
4526 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4527 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4528 SImode range for the default sizetype and bitsizetype.
4530 2006-03-29 Roger Sayle <roger@eyesopen.com>
4532 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4533 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4534 quickly if the argument is already of the correct type.
4535 Call fold_build1 instead of build1. Tidy up blank lines.
4537 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4539 * genemit.c (main): Add tm-constrs.h to included headers.
4540 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4541 * genpeep.c (main): Add tm-constrs.h to included headers.
4542 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4543 (write_tm_constrs_h): this and write complete file.
4544 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4545 (write_insn_preds_c): Add tm-constrs.h to included headers.
4546 (gen_constrs): New variable.
4547 (parse_option): Parse "-c".
4548 (main): Invoke write_tm_constrs_h.
4549 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4550 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4551 (object_out_file): Add tm-constrs.h dependency.
4552 (insn-emit.o): Same.
4553 (insn-output.o): Same.
4554 (insn-peep.o): Same.
4555 (insn-preds.o): Same.
4556 (insn-recog.o): Same.
4557 (tm-constsr.h): New target.
4558 (s-constrs-h): New target.
4560 * config/rs6000/constraints.md: New file.
4561 * config/rs6000/rs6000.c: Include tm-constrs.h.
4562 (num_insn_constant_wide): Convert to satisfies_constraint.
4563 (rs6000_rtx_costs): Convert to satisfies_constraint.
4564 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4565 (CONST_OK_FOR_LETTER_P): Delete.
4566 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4567 (EXTRA_CONSTRAINT): Delete.
4568 (EXTRA_MEMORY_CONSTRAINT): Delete.
4569 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4570 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4571 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4572 satisfies_constraint.
4574 * config/i386/i386.c: Include tm-constrs.h.
4576 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4578 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4579 * tree-data-ref.c (find_data_references_in_loop,
4580 compute_data_dependences_for_loop): Use pointers to VEC.
4581 (analyze_all_data_dependences): Adjust calls.
4582 * tree-data-ref.h (find_data_references_in_loop,
4583 compute_data_dependences_for_loop): Adjust declarations.
4584 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4585 compute_data_dependences_for_loop.
4587 2006-03-29 Paul Brook <paul@codesourcery.com>
4589 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4592 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4594 PR tree-optimization/26859
4595 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4597 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4598 for the step after fold_convert.
4600 2006-03-29 Paul Brook <paul@codesourcery.com>
4602 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4603 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4605 2006-03-29 Paul Brook <paul@codesourcery.com>
4608 * targhooks.c (default_narrow_bitfield): New fuction.
4609 * targhooks.h (default_narrow_bitfield): add prototype.
4610 * target.h (gcc_target): Add narrow_volatile_bitfield.
4611 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4612 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4613 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4614 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4616 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4618 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4620 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4621 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4622 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4623 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4624 (s390_function_arg_float): Allow SDmode and DDmode values to be
4625 passed in floating point registers.
4626 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4627 check with SCALAR_FLOAT_MODE_P.
4628 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4630 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4632 PR tree-optimization/25985
4633 * tree-ssa-loop-niter.c (number_of_iterations_le,
4634 number_of_iterations_ne): Make comments more precise.
4635 (number_of_iterations_cond): Add only_exit argument. Use the
4636 fact that signed variables do not overflow only when only_exit
4638 (loop_only_exit_p): New.
4639 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4640 number_of_iterations_cond.
4642 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4644 PR tree-optimization/26643
4645 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4648 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4650 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4651 (divsi3_i4_int): Likewise.
4653 2006-03-28 Roger Sayle <roger@eyesopen.com>
4655 * expr.c (emit_group_store): Only create a new pseudo reg if the
4656 quantity it needs to hold isn't already a suitable pseudo.
4658 2006-03-28 Jeff Law <law@redhat.com>
4660 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4661 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4663 2006-03-28 Roger Sayle <roger@eyesopen.com>
4665 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4666 the equivalent ~X & Y, and the symmetry related transformations.
4667 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4668 ~X & Y, and symmetry related transforms.
4670 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4672 Revert my 2006-03-27 patches.
4674 2006-03-28 Roger Sayle <roger@eyesopen.com>
4676 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4677 ~(T1)X, when T1 and T2 are integer types of the same precision
4678 and (T2)X isn't an extension.
4680 2006-03-28 Jeff Law <law@redhat.com>
4682 PR tree-optimization/26796
4683 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4684 need EH edge cleanups rather than purging them immediately.
4685 (eliminate_degenerate_phis): Handle queued EH cleanups.
4687 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4689 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4692 2006-03-27 Roger Sayle <roger@eyesopen.com>
4695 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4696 cast BIT_NOT_EXPR operand to the correct type.
4698 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4700 * tree-loop-linear.c: Don't include varray.h.
4701 (gather_interchange_stats, try_interchange_loops,
4702 linear_transform_loops): Use VEC instead of VARRAY.
4703 * lambda-mat.c: Don't include varray.h.
4704 * tree-chrec.c: Same.
4705 * lambda-trans.c: Same.
4706 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4707 VEC instead of VARRAY.
4708 * tree-vectorizer.h: Idem.
4709 * tree-data-ref.c (dump_data_references,
4710 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4711 initialize_data_dependence_relation, finalize_ddr_dependent,
4712 compute_all_dependences, find_data_references_in_loop,
4713 compute_data_dependences_for_loop, analyze_all_data_dependences,
4714 free_dependence_relation, free_dependence_relations,
4715 free_data_refs): Idem.
4716 * tree-data-ref.h (data_reference_p, subscript_p): New.
4717 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4718 VEC instead of VARRAY.
4719 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4720 (find_data_references_in_loop, compute_data_dependences_for_loop,
4721 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4722 dump_data_dependence_relations, free_dependence_relations,
4723 free_data_refs): Adjust declaration.
4724 (lambda_transform_legal_p): Move declaration here...
4725 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4726 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4727 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4728 vect_analyze_data_refs): Use VEC instead of VARRAY.
4729 * lambda.h (lambda_transform_legal_p): ...from here.
4730 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4731 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4732 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4733 tree-chrec.o): Don't depend on VARRAY_H.
4735 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4737 * rtl.def (Copyright): Update date.
4738 (DEPS_LIST): Change type of the second operand to 'int'.
4739 * target.h (Copyright): Update date.
4740 (struct gcc_target.speculate_insn): Change type of the second parameter
4742 * lists.c (Copyright): Update date.
4743 (alloc_DEPS_LIST): Change signature. Update reference to the second
4744 operand of the DEPS_LIST.
4745 (copy_DEPS_LIST_list): Update reference to the second operand of the
4747 * rtl.h (Copyright): Update date.
4748 (alloc_DEPS_LIST): Update signature.
4749 * sched-int.h (Copyright): Update date.
4750 (ds_t): Change typedef to 'int'.
4751 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4753 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4755 * haifa-sched.c (Copyright): Update date.
4756 (try_ready): Change condition to restore non-speculative pattern
4758 (process_insn_depend_be_in_spec): Code to keep probability of the
4759 speculative dependence non-decreasing.
4761 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4763 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4764 shut up the compiler.
4766 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4768 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4769 to use lib prefix for target.
4770 ($(T)libic_invalidate_array_4-200.a): Likewise.
4771 ($(T)libic_invalidate_array_4a.a): Likewise.
4773 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4774 J"orn Rennecke <joern.rennecke@st.com>
4776 * superh.opt: New file.
4777 * sh.c (boardtype, osruntime): Remove.
4778 * superh.h (SUBTARGET_OPTIONS): Remove.
4779 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4781 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4782 arguments with ^ and/or [].
4784 * config.gcc (sh-*-*): Add quoting to account for quirk of
4786 Replace == with = in enable_incomplete_targets test.
4788 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4789 with MASK_LITTLE_ENDIAN.
4791 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4792 * config/sh/sh.opt: Added to some comments.
4793 * config/sh/superh.h: Removed some chaff.
4795 * config/sh/sh.opt: Add m4-[1234]00* options.
4796 * config/sh/sh.c (sh_handle_option): Likewise.
4797 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4798 (ic_invalidate_array_4-100.o): New rule.
4799 ($(T)libic_invalidate_array_4-100.a): Likewise.
4800 (ic_invalidate_array_4-200.o): Likewise.
4801 ($(T)libic_invalidate_array_4-200.a): Likewise.
4802 (ic_invalidate_array_4a.o): Likewise.
4803 ($(T)libic_invalidate_array_4a.a): Likewise.
4804 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4805 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4807 * config/sh/crt1.asm: Merged in profiling code.
4808 * config/sh/superh.h (STARTFILE_SPEC): Override.
4809 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4810 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4811 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4813 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4814 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4815 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4817 * sh.opt (mpretend-cmove): New option.
4818 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4819 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4820 (movsicc): Add TARGET_PRETEND_CMOVE code.
4822 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4824 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4825 s390_class_max_nregs): New function prototypes.
4826 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4827 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4828 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4829 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4831 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4833 * dwarf2out.c (add_location_or_const_value_attribute): Call
4834 tree_add_const_value_attribute if nothing else works.
4835 (reference_to_unused): New.
4836 (rtl_for_decl_init): Use reference_to_unused to decide whether
4837 to output an initializer.
4839 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4842 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4843 peephole removing spe frob_di_df_2.
4845 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4847 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4848 (subscript_dependence_tester_1): Declared.
4849 (print_dir_vectors, print_dist_vectors): New.
4850 (debug_data_dependence_relation): New.
4851 (dump_data_dependence_relation): Print more details.
4852 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4853 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4854 (save_dist_v, save_dir_v, add_outer_distances,
4855 build_classic_dist_vector_1): New.
4856 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4857 Don't test for lambda_vector_lexico_pos.
4858 (same_access_functions, add_multivariate_self_dist,
4859 add_other_self_distances, dir_from_dist): New.
4860 (build_classic_dir_vector): Replace implementation almost identical to
4861 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4863 (subscript_dependence_tester_1): New.
4864 (subscript_dependence_tester): Handle the lexicographically negative
4865 distance vectors by recomputing the dependence relation.
4866 (compute_affine_dependence): Remove parameter loop_nest_depth.
4867 (compute_self_dependence): Don't call compute_subscript_distance.
4868 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4869 Add a parameter for the loop_nest.
4870 (find_loop_nest_1, find_loop_nest): New.
4871 (compute_data_dependences_for_loop): Compute the loop nest, and give
4872 up if the nest is not well formed.
4873 * tree-data-ref.h (loop_p): New.
4874 (struct data_dependence_relation): Replace size_vect field with
4875 loop_nest, a vec of loops.
4876 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4877 (DDR_LOOP_NEST): New.
4878 (print_dir_vectors, print_dist_vectors,
4879 debug_data_dependence_relation): Declared.
4880 (index_in_loop_nest): New.
4881 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4882 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4885 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4887 * simplify-rtx.c (simplify_relational_operation): Call
4888 simplify_relational_operation_1 even if mode is VOIDmode.
4890 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4892 PR tree-optimization/26804
4893 * tree.h (DECL_CALL_CLOBBERED): New macro.
4894 (tree_decl_common): Add call_clobbered_flag.
4895 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4896 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4897 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4898 (mark_non_addressable): Ditto.
4899 * tree-ssa.c (verify_call_clobbered): New function.
4900 (verify_alias_info): Use it.
4901 * tree-pass.h (pass_reset_cc_flags): New prototype.
4902 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4903 (reset_cc_flags): New function.
4904 * passes.c (init_optimization_passes): Call reset_cc_flags after
4905 initializing referenced_vars.
4907 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4908 Roger Sayle <roger@eyesopen.com>
4911 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4912 to 1.0 for non-real operands. Implement A / A optimization for
4915 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4917 * config/i386/i386.c (size_cost): Correct the comment for
4918 cost of storing fp registers.
4919 (i386_cost): Likewise.
4920 (i486_cost): Likewise.
4921 (pentium_cost): Likewise.
4922 (pentiumpro_cost): Likewise.
4923 (k6_cost): Likewise.
4924 (athlon_cost): Likewise.
4925 (k8_cost): Likewise.
4926 (pentium4_cost): Likewise.
4927 (nocona_cost): Likewise.
4928 (generic64_cost): Likewise.
4929 (generic32_cost): Likewise.
4931 2006-03-24 Denis Chertykov <denisc@overta.ru>
4933 * config/avr/avr-protos.h (extra_constraint): Delete.
4934 (extra_constraint_Q): New declaration.
4935 * config/avr/constraints.md: New file.
4936 * config/avr/avr.md: Include it.
4937 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4938 (TMP_REGNO, ZERO_REGNO): Likewise.
4939 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4940 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4941 (extra_constraint): Delete.
4942 (extra_constraint_Q): Test for memory constraint 'Q'.
4943 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4944 (REG_CLASS_FROM_LETTER): Delete.
4945 (CONST_OK_FOR_LETTER_P): Delete.
4946 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4947 (EXTRA_CONSTRAINT): Delete.
4948 (TMP_REGNO): Delete.
4949 (ZERO_REGNO): Delete.
4951 2006-03-24 Jeff Law <law@redhat.com>
4953 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4954 directly. Call mark_new_vars_to_rename slightly earlier.
4956 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4958 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4960 (gen_compile_unit_die): Use new language types for Objective-C and
4962 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4963 DW_LANG_C_plus_plus.
4966 * config/t-darwin (crt3.o): Work around bug 26840.
4967 * config/darwin-crt3.c: Rewrite.
4968 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4970 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4972 * doc/invoke.texi: Document -femit-class-debug-always
4973 * common.opt: Add -femit-class-debug-always.
4975 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4977 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4978 index and base register.
4979 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4980 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4981 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4982 REGNO_OK_FOR_INDEX_P.
4983 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4985 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4986 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4987 REG_OK_FOR_BASE_P): Definitions removed.
4989 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4992 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4993 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4994 set yet or weren't marked as local yet.
4996 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4998 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5001 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5003 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5004 (rs6000_legitimate_small_data_p): Delete.
5005 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5006 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5007 and make static. Add forward declaration. Update uses.
5008 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5009 of offsettable_memref_p.
5010 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5011 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5013 2006-03-24 Jeff Law <law@redhat.com>
5015 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5016 around bug in immediate-use iterator.
5018 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5021 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5022 or __LITTLE_ENDIAN__.
5024 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5026 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5027 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5028 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5029 * config/sh/sh.opt (mdiv=): Amend description.
5030 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5031 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5032 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5033 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5034 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5035 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5036 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5037 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5038 TARGET_DIVIDE_CALL_FP.
5040 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5042 * haifa-sched.c (choose_ready): Fix type of the local variable.
5043 Move local variables. Add comment.
5044 (check_reg_live): Change signature. Make callable from debugger.
5045 * sched-int.h (check_reg_live): Update signature.
5046 * sched-ebb.c (check_reg_live): Update parameters.
5047 * sched-rgn.c (check_reg_live): Ditto.
5048 (region_head_or_leaf_p): Check pointer before dereferencing.
5049 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5050 before reload on optimization levels below 1.
5052 2006-03-23 Richard Henderson <rth@redhat.com>
5054 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5058 * config/alpha/predicates.md (local_symbolic_operand): Reject
5061 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5064 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5065 expressions which have overflowed constants.
5067 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5069 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5071 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5073 * cfgloopmanip.c (create_loop_notes): Removed.
5074 * final.c (final_scan_insn): Do not handle loop notes.
5075 * jump.c (squeeze_notes): Ditto.
5076 * cfglayout.c (skip_insns_after_block,
5077 duplicate_insn_chain): Ditto.
5078 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5080 * cfgloop.h (create_loop_notes): Declaration removed.
5082 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5084 * varasm.c (output_constant_pool): Restore fnname and fndecl
5086 (assemble_start_function): Adjust call accordingly.
5087 (assemble_end_function): Likewise.
5089 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5092 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5095 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5097 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5100 * system.h (ICE_EXIT_CODE): New macro.
5101 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5102 (diagnostic_action_after_output): Likewise.
5103 * gcc.c (fatal_ice): New function.
5104 (execute): Use it instead of fatal.
5105 (fancy_abort): Likewise.
5106 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5108 2006-03-22 Jeff Law <law@redhat.com>
5110 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5111 iv_analyze_result returning false.
5113 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5115 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5117 2006-03-22 Richard Henderson <rth@redhat.com>
5120 * except.c (duplicate_eh_regions_0): New.
5121 (duplicate_eh_region_1): Duplicate the children of the node as
5122 well as the node itself. Link them up properly.
5123 (duplicate_eh_region_2): Merge into ...
5124 (duplicate_eh_regions): ... here. Take copy_region argument, and
5125 copy only a sub-tree if asked. Simplify copying and fixup.
5126 (eh_region_outer_p): New.
5127 * except.h (duplicate_eh_regions): Update decl.
5128 (eh_region_outer_p): Declare.
5129 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5130 (lower_omp_master): Likewise.
5131 (lower_omp_ordered): Likewise.
5132 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5133 (move_stmt_r): Use it to remap labels. Handle recursion vs
5134 remap_decls_p properly.
5135 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5136 (find_outermost_region_in_block): New.
5137 (new_label_mapper): New.
5138 (move_sese_region_to_fn): Copy eh information to the new function
5140 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5142 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5145 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5147 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5148 into shared libraries.
5150 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5152 * doc/md.texi: Refer to i386/constraints.md instead of
5154 * config/i386/constraints.md: New file, extracted from...
5155 * config/i386/predicates.md: ...here.
5156 * config/i386/i386.md: Include constraints.md.
5158 2006-03-21 Jason Merrill <jason@redhat.com>
5160 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5163 * expr.c (init_block_move_fn): Force default visibility.
5164 (init_block_clear_fn): Likewise.
5165 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5166 * targhooks.c (default_external_stack_protect_fail): Likewise.
5168 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5170 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5171 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5172 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5173 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5174 (loadgp): Use mips_current_loadgp_style.
5175 (loadgp_noshared): New pattern.
5176 (sibcall_internal): Use MIPS_CALL.
5177 (sibcall_value_internal): Likewise.
5178 (sibcall_value_multiple_internal): Likewise.
5179 (call_internal): Likewise.
5180 (call_value_internal): Likewise.
5181 (call_value_multiple_internal): Likewise.
5182 (call_split): Use MIPS_CALL and add an 'S' constraint.
5183 (call_value_split): Likewise.
5184 (call_value_multiple_split): Likewise.
5185 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5186 (-mshared): New option.
5187 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5188 (mips_current_loadgp_style): Declare.
5189 * config/mips/mips.c (mips_classify_symbol): Avoid using
5190 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5191 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5192 TARGET_ABSOLUTE_ABICALLS.
5193 (override_options): Adjust comments. Improve the warning that is
5194 issued when -mabicalls and -G are used together.
5195 (mips_file_start): Remove comment.
5196 (mips_current_loadgp_style): New function.
5197 (mips_gnu_local_gp): New variable.
5198 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5200 (mips_output_function_prologue): Use mips_current_laodgp_style.
5201 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5202 the cprestore instruction.
5203 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5204 live for TARGET_ABSOLUTE_ABICALLS.
5205 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5206 (ASM_SPEC): Pass down -mshared and -mno-shared.
5207 (MIPS_CALL): New macro.
5208 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5210 * doc/invoke.texi (-mabicalls): Update documentation.
5211 (-mshared): Document.
5213 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5215 * config/ia64/unwind-hpux.c: New file.
5216 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5218 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5221 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5223 2006-03-21 Jeff Law <law@redhat.com>
5225 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5226 type conversions of a VR_VARYING source to a wider type.
5228 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5230 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5231 tm_file on Solaris 10 and later.
5232 (sparc64-*-solaris2*): Likewise.
5233 (sparc-*-solaris2*): Likewise.
5234 * config/sol26.h: Rename to config/sol2-6.h.
5235 * config/sol2-10.h: New file.
5237 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5240 * tree-ssa-pre.c (create_component_ref_by_pieces):
5243 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5246 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5247 return it immediately.
5249 2006-03-21 Michael Matz <matz@suse.de>
5251 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5253 (remove_arc, add_arc): Update num_out_arcs member.
5254 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5256 (cache_presence): New function.
5257 (compare_states_for_equiv): New function.
5258 (state_is_differed): Don't take number of outargs, adjust callers.
5259 Use new invariant for speeding up.
5260 (init_equiv_class): Create initial classes based on sorted
5262 (partition_equiv_class): Don't track out_arcs_num.
5263 (evaluate_equiv_classes): Call cache_presence on all states and
5266 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5268 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5269 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5270 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5271 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5273 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5274 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5275 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5276 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5277 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5279 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5280 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5281 (REGNO_REG_CLASS): ARGP is in PREGS.
5282 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5284 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5285 to deal with those addresses.
5286 * addresses.h: New file.
5287 * caller-save.c: Include "addresses.h".
5288 (init_caller_save): Use new base_reg_class function.
5289 * rtl-factoring.c: Include "addresses.h".
5290 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5291 * recog.c: Include "addresses.h".
5292 (preprocess_constraints): Use new base_reg_class function.
5293 * regrename.c: Include "addresses.h".
5294 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5295 functions. Keep track of a new var INDEX_CODE to compute valid
5297 (replace_oldest_value_addr): Likewise.
5298 (replace_oldest_value_mem): Use base_reg_class.
5299 * reload.c: Include "addresses.h".
5300 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5301 (find_reloads): Use new base_reg_class function.
5302 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5303 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5304 all callers and prototype changed.
5305 * reload1.c: Include "addresses.h".
5306 (maybe_fix_stack_asms): Use base_reg_class.
5307 * regclass.c: Include "addresses.h".
5308 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5309 (init_reg_autoinc): Use new base_reg_class function.
5310 (record_reg_classes): Likewise.
5311 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5312 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5313 Use new args to compute necessary class.
5315 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5316 regrename.o, rtl-factoring.o): Update dependencies.
5317 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5318 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5319 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5320 REG_OK_FOR_INDEX_P): Delete documentation.
5322 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5324 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5325 from V7 to V9 for Solaris 7 and above.
5327 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5329 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5330 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5331 argument pointers may not alias any other storage.
5332 * common.opt: Define option -fargument-noalias-anything.
5333 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5334 alias semantics is specified by flag_argument_noalias > 2.
5336 2006-03-20 Jeff Law <law@redhat.com>
5338 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5339 (pass_phi_only_cprop): Declare.
5340 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5342 * tree-ssa-dom.c (degenerate_phi_result): New function.
5343 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5344 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5345 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5346 (eliminate_degenerate_phis): Likewise.
5347 (pass_phi_only_cprop): New pass descriptor.
5348 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5349 support code. Callers updated.
5350 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5351 (store_copy_prop): Likewise.
5352 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5354 2006-03-20 Jason Merrill <jason@redhat.com>
5357 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5358 (push_visibility, pop_visibility): Likewise.
5359 * c-pragma.h: Declare them.
5361 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5363 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5365 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5366 parameter and use get_ebb_head_tail.
5367 (sh_md_init_global): Adjust uses of find_regmode_weight.
5369 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5371 * function.h (struct function) <x_tail_recursion_reentry>:
5372 Rename to x_stack_check_probe_note.
5373 (tail_recursion_reentry): Rename to stack_check_probe_note.
5374 * function.c: Replace tail_recursion_reentry with
5375 stack_check_probe_note everywhere.
5376 (expand_function_start): Only emit a note for
5377 stack_check_probe_note with -fstack-protect.
5378 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5380 * emit-rtl.c (remove_unnecessary_notes): Remove.
5381 (pass_remove_unnecessary_notes): Remove.
5382 * rtl.h (remove_unnecessary_notes): Remove prototype.
5383 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5384 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5385 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5387 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5390 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5391 (valid_in_set): Handle ARRAY_REF.
5392 Change "if min_variant or VH" to asserts.
5393 (create_component_ref_by_pieces): Handle ARRAY_REF.
5394 (create_expression_by_pieces): Likewise.
5395 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5397 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5399 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5400 is operand of switch, not str[0].
5402 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5404 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5405 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5407 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5409 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5410 end of insn_extra_address_constraint declaration.
5412 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5414 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5415 (no-sum-in-toc): Same.
5416 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5418 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5419 NO_FP_IN_TOC for -fPIC instead of mask.
5421 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5422 (BOOT_LDFLAGS): Delete.
5424 * config/rs6000/t-aix52: Same.
5426 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5427 (stmsi[345678]_power): New.
5429 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5431 * config/ia64/ia64.opt: Add empty line to end of file.
5433 2006-03-17 Richard Guenther <rguenther@suse.de>
5436 * builtins.c (get_pointer_alignment): For component style references
5437 adjust alignment to the component type alignment. Make sure
5438 to adjust alignment for component access of constants.
5440 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5442 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5445 2006-03-17 Paul Brook <paul@codesourcery.com>
5447 * doc/install.texi: Docuemnt --with-mode.
5448 * config.gcc: Add --with-mode for arm*-*-*.
5449 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5451 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5453 * sh.c (max_labelno_before_reorg): New variable.
5454 (sh_reorg): Initialize it.
5455 (find_barrier): Check max_labelno_before_reorg before using
5456 label_to_alignment. Take length of explicit alignment insns
5457 into account. When seeing a UNSPECV_CONST_END, return it.
5459 * sh.c (fixup_mova): Set mode of affected label to QImode.
5460 (untangle_mova): New function.
5461 (find_barrier): Use it. Check mode of label before decrementing
5463 (sh_reorg): Likewise.
5464 Set mode of all insns back to VOIDmode.
5466 * sh.c (MOVA_LABELREF): New macro.
5467 (mova_p, fixup_mova, sh_reorg): Use it.
5468 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5469 ADDR_DIFF_VEC matches mova.
5471 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5473 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5474 with ATTRIBUTE_UNUSED.
5476 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5478 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5479 pointer, instead of assuming it is possible to derive the
5480 correct args size from a call insn.
5482 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5484 * rtl.h (CONST_INT_P): Define.
5485 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5486 instead of GET_CODE(x) == CONST_INT.
5487 (vax_rtx_costs): Likewise.
5488 (vax_output_int_move): Likewise.
5489 (vax_output_int_add): Likewise.
5490 (legitimate_constant_address_p): Likewise.
5491 (index_term_p): Likewise.
5492 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5493 * config/vax/vax.md (and<mode>3): Likewise.
5494 (ashrsi3): Likewise.
5496 (movstricthi): Likewise.
5497 (movstrictqi): Likewise.
5498 (rotrsi3): Likewise.
5499 (five unnamed insns): Likewise.
5501 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5503 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5504 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5505 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5506 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5507 Pass to ASM_OUTPUT_DWARF_OFFSET.
5508 * dwarf2out.c (debug_frame_section): New.
5509 (output_call_frame_info): Use debug_frame_section. Pass it to
5510 dw2_asm_output_offset.
5511 (output_die): Pass appropriate section to dw2_asm_output_offset.
5512 (output_compilation_unit_header): Likewise.
5513 (output_pubnames): Likewise.
5514 (output_aranges): Likewise.
5515 (enum dw_val_class): Break dw_val_class_lbl_offset into
5516 dw_val_class_lineptr and dw_val_class_macptr.
5517 (add_AT_lbl_offset): Delete.
5518 (add_AT_lineptr): New.
5519 (add_AT_macptr): New.
5520 (AT_lbl): Expect a lineptr or macptr.
5521 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5522 (attr_checksum): Likewise.
5523 (same_dw_val_p): Likewise.
5524 (size_of_die): Likewise.
5525 (value_format): Likewise.
5526 (output_die): Likewise.
5527 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5529 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5530 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5531 * config/darwin-protos.h (darwin_file_start): New.
5532 (darwin_asm_output_dwarf_offset): New.
5533 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5534 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5536 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5537 if not EH section; simplify.
5538 (darwin_file_start): New.
5539 (darwin_asm_output_dwarf_offset): New.
5540 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5542 (DEBUG_INFO_SECTION): Likewise.
5543 (DEBUG_ABBREV_SECTION): Likewise.
5544 (DEBUG_ARANGES_SECTION): Likewise.
5545 (DEBUG_MACINFO_SECTION): Likewise.
5546 (DEBUG_LINE_SECTION): Likewise.
5547 (DEBUG_LOC_SECTION): Likewise.
5548 (DEBUG_PUBNAMES_SECTION): Likewise.
5549 (DEBUG_STR_SECTION): Likewise.
5550 (DEBUG_RANGES_SECTION): Likewise.
5551 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5552 (ASM_OUTPUT_DWARF_OFFSET): New.
5554 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5556 * config.gcc (tm_defines): Always add to previous value rather
5559 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5561 * config/mips/predicates.md (splittable_const_int_operand): New,
5562 split from move_operand.
5563 (splittable_symbolic_operand): New.
5564 (move_operand): Add commentary. Use splittable_const_int_operand.
5565 Inline mips_atomic_symbolic_constant_p.
5566 * config/mips/mips.md: Add combine splitters for handling moves
5567 of splittable_const_int_operands and splittable_symbolic_operands.
5568 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5569 (mips_split_symbol): Declare.
5570 (mips_move_integer): Declare.
5571 * config/mips/mips.c (mips_split_p): Make global.
5572 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5573 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5574 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5575 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5576 (mips_offset_within_object_p): Handle block symbols.
5577 (mips_atomic_symbolic_constant_p): Delete.
5578 (mips_cannot_force_const_mem): Return false for constants that
5579 mips_legitimize_move can handle.
5580 (mips_use_blocks_for_constant_p): New function.
5581 (mips_split_symbol): Make global.
5582 (mips_move_integer): Likewise. Add a temporary register argument.
5583 (mips_legitimize_const_move): Use splittable_const_int_operand and
5584 splittable_symbolic_operand.
5585 (mips_use_anchors_for_symbol_p): New function.
5586 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5587 (mips_split_p): Declare.
5589 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5591 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5592 (mips*-*-linux*): Likewise.
5594 2006-03-16 Roger Sayle <roger@eyesopen.com>
5595 Daniel Speyer <dspeyer@wam.umd.edu>
5598 * tree-dump.c (dump_real): New function.
5599 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5600 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5601 (tree-dump.o): Add $(REAL_H) to the dependencies.
5603 2006-03-16 Roger Sayle <roger@eyesopen.com>
5606 * real.c (real_from_string): If the mantissa is zero, don't bother
5607 parsing the exponent as the result should always be zero.
5609 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5611 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5613 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5615 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5616 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5617 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5618 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5619 ia64_sched_finish_global): New static functions to implement
5620 hooks from gcc_target.sched.
5621 (spec_check_no, max_uid, pending_data_specs): New static variables.
5622 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5623 ia64_spec_check_src_p): New static functions.
5624 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5625 (TARGET_SCHED_ADJUST_COST): Removed.
5626 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5627 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5628 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5629 TARGET_SCHED_GEN_CHECK,
5630 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5631 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5632 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5633 Fixed to handle speculation checks.
5634 (rtx_needs_barrier): Fixed to handle speculative loads and
5636 (ia64_variable_issue): Added code to count speculative loads and their
5638 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5640 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5642 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5644 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5645 (ia64_reorg): Reset stops_p to NULL after it is freed.
5646 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5647 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5648 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5650 (data_speculative, control_speculative, check_load): New attributes.
5651 (mov<mode>_advanced, mov<mode>_speculative,
5652 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5653 zero_extend<mode>di2_speculative,
5654 zero_extend<mode>di2_speculative_advanced): New patterns for
5655 data and control speculative loads.
5656 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5658 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5659 New pattern for data and control speculation checks.
5660 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5661 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5662 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5663 Auxiliary definitions for the patterns.
5664 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5665 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5667 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5669 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5670 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5671 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5672 New resource constraints.
5673 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5675 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5676 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5677 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5678 msched-in-control-spec, msched-ldc, msched-control-ldc,
5679 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5680 msched-prefer-non-control-spec-insns,
5681 msched-count-spec-in-critical-path): New flags to tune speculative
5683 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5684 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5685 msched-in-control-spec, msched-ldc, msched-control-ldc,
5686 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5687 msched-prefer-non-control-spec-insns,
5688 msched-count-spec-in-critical-path): Document new flags.
5690 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5692 * target.h (struct spec_info_def): New opaque declaration.
5693 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5694 speculate_insn, needs_block_p, gen_check,
5695 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5696 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5697 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5698 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5699 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5700 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5702 (TARGET_SCHED): Use new macros.
5703 * rtl.h (copy_DEPS_LIST_list): New prototype.
5704 * sched-int.h (struct sched_info): Change signature of new_ready field,
5705 adjust all initializations. New fields: add_remove_insn,
5706 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5707 region_head_or_leaf_p.
5708 (struct spec_info_def): New structure declaration.
5709 (spec_info_t): New typedef.
5710 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5711 recovery_block, orig_pat.
5712 (glat_start, glat_end): New variables declaraions.
5713 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5715 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5716 DETACH_LIFE_INFO, USE_GLAT.
5717 (enum SPEC_SCHED_FLAGS): New enumeration.
5718 (NOTE_NOTE_BB_P): New macro.
5719 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5720 attach_life_info, debug_spec_status, check_reg_live): New functions.
5721 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5722 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5724 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5725 * ddg.c (get_block_head_tail): Adjust all uses.
5726 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5727 (sms_sched_info): Initialize new fields.
5728 (contributes_to_priority): Removed.
5729 * haifa-sched.c (params.h): New include.
5730 (get_block_head_tail): Adjust all uses.
5731 (ISSUE_POINTS): New macro.
5732 (glat_start, glat_end): New global variables.
5733 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5734 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5735 old_last_basic_block, before_recovery, current_sched_info_var,
5736 rgn_n_insns, luid): New static variables.
5737 (insn_cost1): New function. Move logic from insn_cost to here.
5738 (find_insn_reg_weight1): New function. Move logic from
5739 find_insn_reg_weight to here.
5740 (reemit_notes, move_insn, max_issue): Change signature.
5741 (move_insn1): Removed.
5742 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5743 extend_bb): New static functions to support extension of scheduler's
5745 (generate_recovery_code, process_insn_depend_be_in_spec,
5746 begin_speculative_block, add_to_speculative_block,
5747 init_before_recovery, create_recovery_block, create_check_block_twin,
5748 fix_recovery_deps): New static functions to support
5749 generation of recovery code.
5750 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5751 restore_bb_notes, move_block_after_check, move_succs): New static
5752 functions to support ebb scheduling.
5753 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5754 functions to support handling of register live information.
5755 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5756 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5757 add_jump_dependencies): New static functions.
5758 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5759 consistancy checking.
5760 (debug_spec_status): New function to call from debugger.
5761 (priority): Added code to handle speculation checks.
5762 (rank_for_schedule): Added code to distinguish speculative instructions.
5763 (schedule_insn): Added code to handle speculation checks.
5764 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5765 Fixed to handle ebbs.
5766 (move_insn): Added code to handle ebb scheduling.
5767 (max_issue): Added code to use ISSUE_POINTS of instructions.
5768 (choose_ready): Added code to choose between speculative and
5769 non-speculative instructions.
5770 (schedule_block): Added code to handle ebb scheduling and scheduling of
5771 speculative instructions.
5772 (sched_init): Initialize new variables.
5773 (sched_finish): Free new variables. Print statistics.
5774 (try_ready): Added code to handle speculative instructions.
5775 * lists.c (copy_DEPS_LIST_list): New function.
5776 * sched-deps.c (extend_dependency_caches): New function. Move logic
5777 from create_dependency_caches to here.
5778 (get_dep_weak, ds_merge): Make global.
5779 * genattr.c (main): Code to output prototype for
5780 dfa_clear_single_insn_cache.
5781 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5782 (output_dfa_clean_insn_cache_func): Code to output
5783 dfa_clear_single_insn_cache function.
5784 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5786 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5788 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5789 New static variables.
5790 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5791 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5793 (ebb_sched_info): Initialize new fields.
5794 (get_block_head_tail): Adjust all uses.
5795 (compute_jump_reg_dependencies): Fixed to use glat_start.
5796 (schedule_ebb): Code to remove unreachable last block.
5797 (schedule_ebbs): Added code to update register live information.
5798 * sched-rgn.c (region_sched_info): Initialize new fields.
5799 (get_block_head_tail): Adjust all uses.
5800 (last_was_jump): Removed. Adjust users.
5801 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5802 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5803 Implement new hooks.
5804 (check_dead_notes1): New static function.
5805 (struct region): New fields: dont_calc_deps, has_real_ebb.
5806 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5807 (BB_TO_BLOCK): Fixed to handle EBBs.
5808 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5809 (ebb_head): New static variable.
5810 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5811 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5813 (compute_dom_prob_ps): New assertion.
5814 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5815 global_live_at_start.
5816 (init_ready_list): New assertions.
5817 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5818 (new_ready): Add support for BEGIN_CONTROL speculation.
5819 (schedule_insns): Fixed code that updates register live information
5821 (schedule_region): Fixed to handle EBBs.
5822 (init_regions): Use extend_regions and check_dead_notes1.
5823 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5824 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5825 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5826 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5827 TARGET_SCHED_GEN_CHECK,
5828 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5829 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5830 * doc/invoke.texi (max-sched-insn-conflict-delay,
5831 sched-spec-prob-cutoff): Document.
5833 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5835 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5836 inter_tick, queue_index.
5837 (struct sched_info): Change signature of init_ready_list field.
5838 Adjust all initializations.
5839 (RESOLVED_DEPS): New access macro.
5840 (ready_add): Remove prototype.
5841 (try_ready): Add prototype.
5842 * sched-rgn.c (init_ready_list): Use try_ready.
5843 (schedule_region): Initialize
5844 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5845 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5846 (init_ready_list): Use try_ready.
5847 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5848 * lists.c (remove_list_elem): Remove `static'.
5849 (remove_free_INSN_LIST_elem): New function.
5850 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5851 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5852 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5854 (readyp): New variable.
5855 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5856 change_queue_index, resolve_dep): New static functions.
5857 (try_ready): New function. Adjust callers in sched-rgn.c and
5858 sched-ebb.c to use it instead of ready_add.
5859 (clock_var): Move at the begining of file.
5860 (rank_for_schedule): Fix typo.
5861 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5862 (ready_lastpos): Enforce assertion.
5863 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5865 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5866 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5867 (queue_to_ready): Use free_INSN_LIST_list.
5868 (early_queue_to_ready): Fix typo.
5869 (schedule_block): Init readyp. Move init_ready_list call after the
5870 initialization of clock_var. Fix error in rejecting insn by
5871 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5872 that previously corrected INSN_TICKs. Add code for handling
5874 (set_priorities): Fix typo.
5875 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5876 Clarify comment and code that keeps current_sched_info->next_tail
5879 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5881 * sched-rgn.c (extend_rgns): New static function.
5882 (find_rgns): Use it.
5883 (gather_region_statistics, print_region_statistics): New static
5885 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5886 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5888 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5889 Andrey Belevantsev <abel@ispras.ru>
5891 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5892 * lists.c (unused_deps_list): New variable.
5893 (free_list): Add assertions to verify the proper distinguishing
5894 between INSN_LISTs and DEPS_LISTs.
5895 (find_list_elem, remove_list_elem, remove_list_node): New static
5897 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5898 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5899 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5900 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5902 (free_INSN_LIST_node): Likewise.
5903 * modulo-sched.c (current_sched_info): Initialize flags field.
5904 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5905 * rtl.def (DEPS_LIST): Define.
5906 * rtl.h: Declare new functions from lists.c.
5907 * sched-deps.c (spec_dependency_cache): New static variable.
5908 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5909 (add_dependence): Change return type to void. Move the logic to ...
5910 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5911 (delete_all_dependences): Add comment about forward_dependency_cache.
5912 Handle spec_dependency_cache. Handle DEPS_LISTs.
5913 (fixup_sched_groups): Clarify the change of priority of output
5914 and anti dependencies.
5915 (sched_analyze_2): Adjust add_dependence calls to create data
5916 speculative dependence.
5917 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5918 Adjust all callers. Handle DEPS_LISTS.
5919 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5920 presence of speculation.
5921 (init_dependency_caches, free_dependency_caches):
5922 Handle spec_dependency_cache.
5923 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5924 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5925 New static functions.
5926 (add_or_update_back_dep, add_or_update_back_forw_dep,
5927 add_back_forw_dep, delete_back_forw_dep): New functions.
5928 * sched-int.h (ds_t, dw_t): New typedefs.
5929 (struct sched_info): Add new field flags.
5930 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5931 Prototype new sched-deps.c functions.
5932 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5933 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5934 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5935 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5936 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5937 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5939 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5941 * sched-rgn.c (current_sched_info): Initialize flags field.
5942 (schedule_insns): Initialize current_sched_info before the sched_init
5944 * sched-ebb.c (current_sched_info): Initialize flags field.
5945 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5946 Call add_or_update_back_dep instead of add_dependence.
5947 Create control speculative dependencies.
5948 (schedule_insns): Initialize current_sched_info before the sched_init
5951 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5953 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5955 (sh_fallback_frame_state): Likewise.
5957 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5959 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5960 Do switch on default_use_cxa_atexit.
5961 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5962 * config/darwin-crt3.o: New.
5963 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5964 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5965 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5967 * config/rs6000/t-darwin: Move crt2.o building to here.
5968 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5969 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5972 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5974 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5975 from '! xxx' to '!xxx' for coding-style conformance.
5976 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5977 (EXTRA_CONSTRAINT): Likewise.
5978 * config/vax/vax.md (four unnamed insns): Likewise.
5980 2006-03-15 Paul Brook <paul@codesourcery.com>
5982 * config/arm/arm.c (minipool_pad): New.
5983 (add_minipool_forward_ref): Include pool alignment padding in address
5985 (push_minipool_fix): Set minipool_pad.
5986 (minipool_pad): Ditto.
5988 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5990 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5991 instead of GET_CODE() == MEM and REG_P() instead of
5993 (print_operand_address): Likewise.
5994 (vax_address_cost): Likewise.
5995 (vax_rtx_costs): Likewise.
5996 (vax_notice_update_cc): Likewise.
5997 (vax_output_int_add): Likewise.
5998 (INDEX_REGISTER_P): Likewise.
5999 (BASE_REGISTER_P): Likewise.
6000 (nonindexed_address_p): Likewise.
6001 (vax_mode_dependent_address_p): Likewise.
6002 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6003 (PRINT_OPERAND): Likewise.
6004 * config/vax/vax.md (ashlsi3): Likewise.
6005 (ashlsi3): Likewise.
6006 (some more unnamed insns): Likewise.
6008 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6010 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6011 iterator-style macro.
6012 (mark_control_dependent_edges_necessary): Update the use of
6013 EXECUTE_IF_CONTROL_DEPENDENT.
6015 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6017 * config/sh/predicates.md (cache_address_operand): Special.
6018 (ua_address_operand): Likewise.
6020 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6022 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6024 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6026 2006-03-15 Andreas Schwab <schwab@suse.de>
6028 * gensupport.c (identify_predicable_attribute): Don't free p_false
6029 when it is still in use.
6031 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6033 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6034 the default setting here.
6036 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6038 * tree-pass.h (pass_cfg): Remove.
6039 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6040 * passes.c (pass_cfg): Don't run it.
6042 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6044 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6045 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6047 (stack_regs_mentioned): Update the uses of
6048 stack_regs_mentioned_data. Don't access the array beyond its
6050 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6051 Don't include gt-reg-stack.h.
6053 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6054 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6056 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6059 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6062 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6064 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6066 2006-03-14 Richard Guenther <rguenther@suse.de>
6068 PR tree-optimization/26672
6069 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6072 2006-03-14 Richard Guenther <rguenther@suse.de>
6074 PR tree-optimization/26667
6075 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6076 node for the callees. Always allow inlining if it will shrink
6079 2006-03-14 Richard Guenther <rguenther@suse.de>
6082 * builtins.c (get_pointer_alignment): Prefer alignment
6083 information from decls over that from types.
6085 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6088 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6090 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6092 * config/rs6000/rs6000.opt (mdlmzb): New option.
6093 (msched-prolog, msched-epilog): Use Var not Mask.
6094 * doc/invoke.texi (-mdlmzb): Document.
6095 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6097 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6098 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6100 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6102 PR rtl-optimization/25739
6103 * bt-load.c (augment_live_range): Free tos pointer.
6105 * gensupport.c (identify_predicable_attribute): Free
6107 * gcov.c (create_file_names): Free name pointer.
6109 2006-03-13 Roger Sayle <roger@eyesopen.com>
6112 * stmt.c (emit_case_nodes): Handle the case where the index is a
6113 CONST_INT, where the comparison mode is specified by the index type.
6115 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6117 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6120 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6122 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6123 (*branch_fp_inverted): Likewise.
6125 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6128 * omp-low.c (expand_omp_for_generic): Mark istart0
6129 and iend0 as addressable.
6131 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6133 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6135 2006-03-13 Jeff Law <law@redhat.com>
6137 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6138 virtual operands are interesting.
6139 (vrp_visit_stmt): Corresponding changes.
6141 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6143 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6145 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6146 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6147 * config/bfin/crti.S: Use it instead of __PIC__.
6148 * config/bfin/crtn.S: Likewise.
6150 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6151 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6153 Lose 'G' modifier for call operand.
6154 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6155 recognize 'G' modifier.
6157 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6160 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6161 * stmt.c (expand_case): Likewise.
6163 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6165 PR rtl-optimization/26254
6166 * loop-invariant.c (seq_insns_valid_p): New function.
6167 (move_invariant_reg): Only emit new code if it is valid.
6169 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6171 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6173 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6174 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6175 (commit_one_edge_insertion): Do not look for loop notes.
6177 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6179 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6180 flag_test_coverage out of loop.
6182 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6184 * final.c (shorten_branches): Remove outdated comment, and turn
6185 the if branch that guards it to continue.
6187 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6189 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6190 * cfgloop.h (struct loop): Remove unused fields.
6192 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6194 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6195 (-dL, -fdump-rtl-loop2): Update the dump file names
6197 * doc/invoke.texi: Update dump file names.
6199 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6201 * predict.c (estimate_probability): Remove.
6202 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6203 * basic-block.h (estimate_probability): Remove prototype.
6204 * passes.c (finish_optimization_passes): Dump branch prediction or
6205 profiling heuristics to the .profile tree dump.
6206 (init_optimization_passes): Unqueue pass_branch_prob.
6208 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6210 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6212 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6213 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6215 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6217 * function.h (frame_offset_overflow): Declare.
6218 * function.c (frame_offset_overflow): New function.
6219 (assign_stack_local_1): Call it to detect that the offset overflows.
6220 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6222 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6224 * config/sh/sh.c: Include alloc-pool.h.
6225 (label_ref_list_pool): New alloc pool.
6226 (label_ref_list_t): New type for lists of labels.
6227 (struct pool_node): Make wend a label_ref_list_t.
6228 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6230 (dump_table): Likewise.
6231 (sh_reorg): Set up the alloc pool before using add_constant and
6232 dump_table, and destroy it when finishing.
6234 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6236 * config/mips/mips.c: Remove redundant comment.
6238 2006-03-10 Jason Merrill <jason@redhat.com>
6241 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6242 the target was declared 'register'.
6244 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6246 * genpreds.c (write_insn_constraint_len): Change definition of
6247 insn_constraint_len to return size_t to match the declaration.
6249 2006-03-10 DJ Delorie <dj@redhat.com>
6251 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6253 (m32c_expand_insv): Fix test for an AND mask.
6255 2006-03-10 Richard Guenther <rguenther@suse.de>
6258 * builtins.c (get_pointer_alignment): Handle component
6259 references for field alignment.
6261 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6263 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6264 when building with libgloss.
6265 (sh*elf): Implement --without-fp option.
6266 (sh64-superh-linux*): Don't multilib.
6268 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6270 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6272 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6274 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6275 Set it when one of the replacement functions returned true.
6276 Return TODO_cleanup_cfg if cfgchanged is true.
6277 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6279 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6281 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6282 instead of gen_lowpart.
6284 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6286 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6288 (mips_output_order_conditional_branch): Declare.
6289 * config/mips/mips.h (MIPS_BRANCH): New macro.
6290 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6291 for the comparison. Use gen_condjump.
6292 (mips_output_conditional_branch): Rework interface to take the
6293 asm templates for a direct branch and the inverse of a direct branch.
6294 (mips_output_order_conditional_branch): New function.
6295 (mips_builtin_branch_and_move): New function.
6296 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6297 branch condition. Use gen_single_cc as the condition for
6298 __builtin_mips_upper_* or __builtin_mips_lower_*.
6299 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6300 Use VOIDmode for the branch condition.
6301 * config/mips/predicates.md (order_operator): New predicate.
6302 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6303 (branch_fp): Rename to...
6304 (*branch_fp): ...this. Remove mode from comparison operator.
6305 Use new mips_output_conditional_branch interface.
6306 (branch_fp_inverted): Rename to...
6307 (*branch_fp_inverted): ...this and update as for *branch_fp.
6308 (*branch_zero<mode>): Rename to...
6309 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6310 Use mips_output_order_conditional_branch. Only accept ordered
6312 (*branch_zero<mode>_inverted): Rename to...
6313 (*branch_order<mode>_inverted): ...this and update as for
6314 *branch_order<mode>.
6315 (*branch_equality<mode>): Accept zero as the second operand to
6316 the equality operator. Use the new mips_output_conditional_branch
6318 (*branch_equality<mode>_inverted): Likewise.
6319 (condjump): New expander.
6320 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6322 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6323 (bc1any2t, bc1any2f): Likewise.
6324 (single_cc): New expander.
6325 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6327 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6329 * doc/md.texi: Update documentation of MIPS constraints.
6330 * config/mips/constraints.md: New file.
6331 * config/mips/mips.md: Include it.
6332 * config/mips/mips.c (mips_char_to_class): Delete.
6333 (override_options): Don't initialize mips_char_to_class.
6334 * config/mips/mips.h (mips_char_to_class): Delete.
6335 (REG_CLASS_FROM_LETTER): Delete.
6336 (CONST_OK_FOR_LETTER_P): Delete.
6337 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6338 (EXTRA_CONSTRAINT_Y): Delete.
6339 (EXTRA_CONSTRAINT_STR): Delete.
6340 (CONSTRAINT_LEN): Delete.
6341 (EXTRA_MEMORY_CONSTRAINT): Delete.
6343 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6345 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6346 original fn's eh regions.
6348 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6350 * fold-const.c (build_range_check): Make sure to use a valid type to
6351 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6354 (range_predecessor): New static function.
6355 (range_successor): Likewise.
6356 (merge_ranges): Use them to compute predecessors and successors of
6359 2006-03-09 Roger Sayle <roger@eyesopen.com>
6362 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6363 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6365 2006-03-08 DJ Delorie <dj@redhat.com>
6367 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6368 (addpsi3): Expand to include memory operands. Remove
6369 reload-specific splits.
6370 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6371 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6372 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6373 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6374 (shift1_qi, shift1_hi, insv): New.
6375 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6376 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6377 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6379 * config/m32c/m32c-protos.h: Update as needed.
6380 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6381 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6382 Fail for unrecognized R* constraints.
6383 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6384 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6385 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6387 (m32c_init_libfuncs): New.
6388 (m32c_legitimate_address_p): Add debug wrapper.
6389 (m32c_rtx_costs): New.
6390 (m32c_address_cost): New.
6391 (conversions): Add 'B' prefix.
6392 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6393 operands, or word regnames for QI operands. 'B' prints bit
6395 (m32c_expand_setmemhi): New.
6396 (m32c_expand_movmemhi): New.
6397 (m32c_expand_movstr): New.
6398 (m32c_expand_cmpstr): New.
6399 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6400 (m32c_expand_neg_mulpsi3): Handle non-ints.
6401 (m32c_cmp_flg_0): New.
6402 (m32c_expand_movcc): New.
6403 (m32c_expand_insv): New.
6404 (m32c_scc_pattern): New.
6405 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6406 a0/a1 out of SIregs.
6407 (STORE_FLAG_VALUE): New.
6408 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6411 * config/m32c/mov.md: Make constraints more liberal.
6412 (zero_extendqihi2): Optimize r0/r1 case.
6413 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6414 * config/m32c/predicates.md (m32c_any_operand): New.
6415 (m32c_nonimmediate_operand): New.
6416 (m32c_hl_operand): New.
6417 (m32c_r3_operand): New.
6420 (memsym_operand): New.
6421 (memimmed_operand): New.
6422 (a_qi_operand): New.
6423 (m32c_eqne_operator): New.
6424 (m32c_1bit8_operand): New.
6425 (m32c_1bit16_operand): New.
6426 (m32c_1mask8_operand): New.
6427 (m32c_1mask16_operand): New.
6428 * config/m32c/blkmov.md: New file.
6429 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6431 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6433 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6434 unsigned to fix signed/unsigned comparison issue in
6435 DWARF2_FRAME_REG_OUT.
6436 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6437 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6439 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6440 of ptr into the ENABLE_CHECKING section.
6442 2006-03-08 Jeff Law <law@redhat.com>
6444 * tree-vrp.c (infer_value_range): Only count pointer uses
6445 and dereferences if -fdelete-null-pointer-checks is enabled.
6447 * tree-vrp.c (find_assert_locations): Infer value ranges for
6448 single use pointers, but do not create ASSERT_EXPRs for them.
6449 When a non-null range is inferred for a pointer, backwards
6450 propagate that range to other equivalent pointers through the
6453 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6456 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6457 language hook targets.
6458 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6459 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6460 if language hook targets were missing.
6462 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6464 * tree-ssa-opfinalize.h: Removed.
6465 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6467 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6468 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6469 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6470 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6471 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6472 finalize_ssa_v_must_def_ops): New.
6474 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6476 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6479 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6481 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6483 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6484 addresses with offsets; reorganize.
6486 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6487 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6488 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6490 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6493 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6495 2006-03-08 Ben Elliston <bje@au.ibm.com>
6497 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6499 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6502 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6505 2006-03-07 Richard Guenther <rguenther@suse.de>
6507 PR tree-optimization/26587
6508 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6510 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6512 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6514 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6516 * hooks.c (hook_bool_mode_rtx_true): New function.
6517 * hooks.h (hook_bool_mode_rtx_true): Declare.
6518 * toplev.c (compile_file): Call output_shared_constant_pool.
6519 * varasm.c (shared_constant_pool): New variable.
6520 (assemble_start_function, assemble_end_function): Remove arguments
6521 from call to output_constant_pool.
6522 (create_constant_pool): New function, split out from...
6523 (init_varasm_status): ...here.
6524 (force_const_mem): Choose between the shared and per-function constant
6525 pools. Set current_function_uses_const_pool when reusing old entries
6526 as well as when creating new ones.
6527 (mark_constant): Ignore data argument.
6528 (mark_constants): Remove pool argument.
6529 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6530 to decide whether the function uses a constant pool.
6531 (output_constant_pool_contents): New function, split out from...
6532 (output_constant_pool): ...here.
6533 (output_shared_constant_pool): New function.
6534 (init_varasm_once): Initialize shared_constant_pool.
6535 * output.h (output_constant_pool): Delete.
6536 (output_shared_constant_pool): Declare.
6537 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6538 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6540 2006-03-06 Nick Clifton <nickc@redhat.com>
6542 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6543 flag_strength_reduce.
6545 2006-03-06 Ben Elliston <bje@au.ibm.com>
6547 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6548 x86_64-*-linux* configurations.
6550 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6551 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6553 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6555 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6557 * basic-block.h: Remove the extern for
6558 rediscover_loops_after_threading.
6560 * cfgloop.c (cancel_loop): Make it static.
6561 * cfgloop.h: Remove the prototype for cancel_loop.
6563 * flow.c (recompute_reg_usage): Make it static.
6564 * rtl.h: Remove the prototype for recompute_reg_usage.
6566 * function.c (use_return_register): Make it static.
6567 * function.h: Remove the prototype.
6569 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6571 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6573 * recog.h: Remove the prototype for
6574 validate_change_maybe_volatile.
6576 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6578 * rtlanal.c (replace_reg): Remove.
6579 * rtl.h: Remove the prototype for replace_reg.
6581 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6583 * regclass.c (reg_scan_update): Remove.
6584 (reg_scan_mark_refs): Remove the last argument.
6585 * rtl.h: Remove the prototype for reg_scan_update.
6587 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6589 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6590 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6591 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6592 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6593 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6594 loop-invariant.c, omp-low.c, opts.c, passes.c,
6595 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6596 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6597 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6598 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6599 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6600 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6602 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6604 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6605 * dwarf2out.h: Remove the prototype for
6606 dwarf2out_add_library_unit_info.
6608 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6610 * tree.c (add_var_to_bind_expr): Remove.
6611 * tree.h: Remove the prototype for add_var_to_bind_expr.
6613 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6615 * regclass.c (n_non_fixed_regs): Remove.
6616 (init_reg_sets_1, globalize_reg): Remove all uses of
6618 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6620 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6622 * rtlanal.c (insns_safe_to_move_p): Remove.
6623 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6625 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6627 * expmed.c (expand_mult_add): Remove.
6628 * expr.h: Remove the prototype for expand_mult_add.
6630 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6632 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6633 and REG_SAVED_VAL_EXP constants.
6634 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6635 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6636 Handle regs stored by value.
6637 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6638 (execute_cfa_program): Handle DW_CFA_val_offset,
6639 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6640 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6641 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6642 (uw_install_context_1): Handle target regs stored by value.
6644 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6646 * tree-sra.c (tree_sra): Return todoflags;
6647 (generate_one_element): Set TODO_update_smt_usage if needed.
6648 (pass_sra): Remove TODO_update_smt_usage.
6649 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6651 (tree_ssa_forward_propagate_single_use_vars): Return
6652 TODO_update_smt_usage if we need to update SMT usage.
6653 (pass_forwprop): Remove TODO_update_smt_usage.
6655 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6657 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6658 (correct_use_link): Remove reference to get_stmt_operands.
6659 (update_stmt_operands): Likewise.
6660 (get_modify_expr_operands): New function factored out of
6661 parse_ssa_operands and get_expr_operands.
6662 Try to create V_MUST_DEFs for LHS by default.
6663 (get_expr_operands) <case MODIFY_EXPR>: Call
6664 get_modify_expr_operands.
6665 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6666 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6667 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6668 get_modify_expr_operands.
6670 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6672 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6673 * tree-flow.h: Remove the prototype for
6674 referenced_var_lookup_if_exists.
6676 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6678 PR rtl-optimization/26345
6680 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6682 2006-03-03 Roger Sayle <roger@eyesopen.com>
6684 PR tree-optimization/26524
6685 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6686 fold_convert to create a constant of the appropriate type.
6688 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6690 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6691 SYMBOL_REF_IN_BLOCK_P.
6692 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6693 of SYMBOL_FLAG_IN_BLOCK.
6694 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6695 instead of SYMBOL_REF_IN_BLOCK_P.
6696 * explow.c (use_anchored_address): Likewise.
6697 * rtl.c (rtx_size): Likewise.
6698 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6699 instead of SYMBOL_FLAG_IN_BLOCK.
6700 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6701 SYMBOL_REF_IN_BLOCK_P.
6702 (assemble_variable): Likewise.
6703 (output_constant_def_contents): Likewise.
6704 (output_constant_pool): Likewise.
6705 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6706 instead of SYMBOL_FLAG_IN_BLOCK.
6707 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6708 SYMBOL_REF_IN_BLOCK_P.
6709 (SYMBOL_REF_BLOCK): Likewise.
6710 (SYMBOL_REF_OFFSET): Likewise.
6711 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6712 SYMBOL_REF_IN_BLOCK_P.
6713 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6714 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6715 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6716 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6718 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6720 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6722 2006-03-02 Roger Sayle <roger@eyesopen.com>
6724 * simplify-rtx.c (simplify_unary_operation): When simplifying
6725 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6726 that we perform the right shift in the appropriate mode, and
6727 then extend or truncate the result to requested mode.
6729 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6731 * gengtype.c (main): Handle double_int type.
6732 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6733 * double-int.c: New file.
6734 * double-int.h: New file.
6735 * system.h: Include doubleint.h.
6736 * Makefile.in (SYSTEM_H): Include double-int.h.
6737 (double-int.o): Add.
6739 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6742 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6745 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6747 * tree-vrp.c (remove_range_assertions): Do not update statements
6750 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6752 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6754 * gcse.c (rest_of_handle_gcse): Ditto.
6755 * except.c (gate_handle_eh): Ditto.
6756 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6757 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6759 2006-03-02 Eric Christopher <echristo@apple.com>
6761 * config/i386/i386.c (machopic_output_stub): Add indirection to
6764 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6768 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6770 Sun Niagara specific optimizations.
6771 * config.gcc: Recognize niagara as target.
6772 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6773 (TARGET_CPU_niagara): Define.
6774 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6775 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6776 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6777 (ASM_CPU_SPEC): Likewise.
6778 (PROCESSOR_NIAGARA): New enum entry.
6779 (REGISTER_MOVE_COST): Handle Niagara.
6780 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6781 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6782 (sparc_override_options): Recognize "niagara", set appropriate
6783 default MASK_* values for it, and align functions to 32-bytes
6784 by default just like ULTRASPARC/ULTRASPARC3.
6785 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6786 (sparc64_initialize_trampoline): Likewise.
6787 (sparc_use_sched_lookahead): Use zero for niagara.
6788 (sparc_issue_rate): Use one for niagara.
6789 * config/sparc/niagara.md: New file.
6790 * config/sparc/sparc.md: Include it.
6791 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6792 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6793 when default cpu is niagara.
6794 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6795 (ASM_CPU_SPEC): Likewise.
6796 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6797 when default cpu is niagara.
6798 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6799 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6800 just like v9/ultrasparc/ultrasparc3.
6801 * doc/invoke.texi: Add documentation for "niagara" and improve
6802 existing documentation for ultrasparc variants.
6804 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6806 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6808 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6810 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6811 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6812 and say that only one is needed.
6813 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6814 * target.h (have_switchable_bss_sections): New hook.
6815 * explow.c (use_anchored_address): Check that the symbol is in a block.
6816 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6817 (bss_noswitch_section): New variables.
6818 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6819 (get_noswitch_section): New function.
6820 (get_block_for_section): Allow SECT to be null.
6821 (unlikely_text_section_p): Use SECTION_STYLE.
6822 (bss_initializer_p): New function.
6823 (get_variable_section): Move earlier in file. Take a new argument,
6824 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6825 Return one of the new *_sections in such cases.
6826 (get_block_for_decl): New function, extracting some logic from
6827 use_blocks_for_decl_p.
6828 (change_symbol_section): Remove in favor of...
6829 (change_symbol_block): ...this new function.
6830 (use_blocks_for_decl_p): Remove checks now performed by
6832 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6833 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6834 (emit_local, emit_bss, emit_common): ...these new functions.
6835 Return true if the alignment was honored.
6836 (emit_tls_common): New function.
6837 (asm_emit_uninitialised): Delete.
6838 (assemble_variable_noswitch): New function, split out from...
6839 (assemble_variable): ...here. Don't make decisions about common
6840 variables here. Globalize all public decls that go into non-common
6841 sections. Check whether SYMBOL_REF_BLOCK is null.
6842 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6843 (output_constant_pool): Likewise.
6844 (init_varasm_once): Initialize the new section variables.
6845 (have_global_bss_p): New function.
6846 (categorize_decl_for_section): Use bss_initializer_p.
6847 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6848 (place_block_symbol): Assert that the symbol must be in a block.
6849 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6850 (TARGET_INITIALIZER): Include it.
6851 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6852 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6853 (SECTION_MACH_DEP): Bump by two.
6854 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6855 (unnamed_section): Mention SECTION_UNNAMED in comment.
6856 (named_section): Likewise SECTION_NAMED.
6857 (noswitch_section_callback): New type.
6858 (noswitch_section): New structure.
6859 (section): Add a noswitch_section alternative.
6860 (SECTION_STYLE): New macro.
6861 (tls_comm_section, comm_section, lcomm_section): Declare.
6862 (bss_noswitch_section, have_global_bss_p): Declare.
6863 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6864 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6866 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6867 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6870 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6872 * tree-vrp.c (execute_vrp): Return value.
6873 * regrename.c (rest_of_handle_regrename): Ditto.
6874 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6875 * tree-complex.c (tree_lower_complex): Ditto.
6876 (tree_lower_complex_O0): Ditto.
6877 * tracer.c (rest_of_handle_tracer): Ditto.
6878 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6879 * postreload.c (rest_of_handle_postreload): Ditto.
6880 * tree-tailcall.c (execute_tail_recursion): Ditto.
6881 (execute_tail_calls): Ditto.
6882 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6883 * tree.h (init_function_for_compilation): Ditto.
6884 * ipa-cp.c (ipcp_driver): Ditto.
6885 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6886 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6887 * final.c (compute_alignments): Ditto.
6888 (rest_of_handle_final): Ditto.
6889 (rest_of_handle_shorten_branches): Ditto.
6890 (rest_of_clean_state): Ditto.
6891 * omp-low.c (execute_expand_omp): Ditto.
6892 (execute_lower_omp): Ditto.
6893 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6894 * ipa-reference.c (static_execute): Ditto.
6895 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6896 * reorg.c (rest_of_handle_delay_slots): Ditto.
6897 (rest_of_handle_machine_reorg): Ditto.
6898 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6899 * flow.c (recompute_reg_usage): Ditto.
6900 (rest_of_handle_remove_death_notes): Ditto.
6901 (rest_of_handle_life): Ditto.
6902 (rest_of_handle_flow2): Ditto.
6903 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6904 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6905 (do_ssa_store_ccp): Ditto.
6906 (execute_fold_all_builtins): Ditto.
6907 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6908 * modulo-sched.c (rest_of_handle_sms): Ditto.
6909 * ipa-pure-const.c (static_execute): Ditto.
6910 * cse.c (rest_of_handle_cse): Ditto.
6911 (rest_of_handle_cse2): Ditto.
6912 * web.c (rest_of_handle_web): Ditto.
6913 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6914 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6915 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6916 * tree-nrv.c (tree_nrv): Ditto.
6917 (execute_return_slot_opt): Ditto.
6918 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6919 (create_structure_vars): Ditto.
6920 * loop-init.c (rtl_loop_init): Ditto.
6921 (rtl_loop_done): Ditto.
6922 (rtl_move_loop_invariants): Ditto.
6923 (rtl_unswitch): Ditto.
6924 (rtl_unroll_and_peel_loops): Ditto.
6925 (rtl_doloop): Ditto.
6926 * gimple-low.c (lower_function_body): Ditto.
6927 (mark_used_blocks): Ditto.
6928 * tree-ssa-sink.c (execute_sink_code): Ditto.
6929 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6930 (cgraph_early_inlining): Ditto.
6931 * global.c (rest_of_handle_global_alloc): Ditto.
6932 * jump.c (cleanup_barriers): Ditto.
6933 (purge_line_number_notes): Ditto.
6934 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6935 (rest_of_handle_if_after_reload): Ditto.
6936 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6937 (tree_ssa_loop_im): Ditto.
6938 (tree_ssa_loop_unswitch): Ditto.
6939 (tree_vectorize): Ditto.
6940 (tree_linear_transform): Ditto.
6941 (tree_ssa_loop_ivcanon): Ditto.
6942 (tree_ssa_empty_loop): Ditto.
6943 (tree_ssa_loop_bounds): Ditto.
6944 (tree_complete_unroll): Ditto.
6945 (tree_ssa_loop_prefetch): Ditto.
6946 (tree_ssa_loop_ivopts): Ditto.
6947 (tree_ssa_loop_done): Ditto.
6948 * predict.c (tree_estimate_probability): Ditto.
6949 * recog.c (split_all_insns_noflow): Ditto.
6950 (rest_of_handle_peephole2): Ditto.
6951 (rest_of_handle_split_all_insns): Ditto.
6952 * tree-eh.c (lower_eh_constructs): Ditto.
6953 * regmove.c (rest_of_handle_regmove): Ditto.
6954 (rest_of_handle_stack_adjustments): Ditto.
6955 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6956 * function.c (instantiate_virtual_regs): Ditto.
6957 (init_function_for_compilation): Ditto.
6958 (rest_of_handle_check_leaf_regs): Ditto.
6959 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6960 (rest_of_handle_gcse): Ditto.
6961 * ipa-type-escape.c (type_escape_execute): Ditto.
6962 * alias.c (rest_of_handle_cfg): Ditto.
6963 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6964 * profile.c (rest_of_handle_branch_prob): Ditto.
6965 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6966 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6967 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6968 * tree-dfa.c (find_referenced_vars): Ditto.
6969 * except.c (set_nothrow_function_flags): Ditto.
6970 (convert_to_eh_region_ranges): Ditto.
6971 (rest_of_handle_eh): Ditto.
6972 * emit-rtl.c (unshare_all_rtl): Ditto.
6973 (remove_unnecessary_notes): Ditto.
6974 * except.h (set_nothrow_function_flags): Ditto.
6975 (convert_to_eh_region_ranges): Ditto.
6976 * cfgexpand.c (tree_expand_cfg): Ditto.
6977 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6978 * tree-ssa-pre.c (do_pre): Ditto.
6979 (execute_fre): Ditto.
6980 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6981 (rest_of_handle_jump2): Ditto.
6982 * tree-sra.c (tree_sra): Ditto.
6983 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6984 (execute_mudflap_function_decls): Ditto.
6985 * tree-ssa-copy.c (do_copy_prop): Ditto.
6986 (do_store_copy_prop): Ditto.
6987 * ipa-prop.h (ipcp_driver): Ditto.
6988 * cfglayout.c (insn_locators_initialize): Ditto.
6989 * tree-ssa-forwprop.c
6990 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6991 * cfglayout.h (insn_locators_initialize): Ditto.
6992 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6993 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6994 (execute_late_warn_uninitialized): Ditto.
6995 * rtl.h (cleanup_barriers): Ditto.
6996 (split_all_insns_noflow): Ditto.
6997 (purge_line_number_notes): Ditto.
6998 (unshare_all_rtl): Ditto.
6999 (remove_unnecessary_notes): Ditto.
7000 (recompute_reg_usage): Ditto.
7001 (variable_tracking_main): Ditto.
7002 * integrate.c (emit_initial_value_sets): Ditto.
7003 * integrate.h (emit_initial_value_sets): Ditto.
7004 * tree-optimize.c (execute_free_datastructures): Ditto
7005 (execute_free_cfg_annotations): Ditto.
7006 (execute_fixup_cfg): Ditto.
7007 (execute_cleanup_cfg_pre_ipa): Ditto.
7008 (execute_cleanup_cfg_post_optimizing): Ditto.
7009 (execute_init_datastructures): Ditto.
7010 * tree-object-size.c (compute_object_sizes): Ditto.
7011 * combine.c (rest_of_handle_combine): Ditto.
7012 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7013 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7014 (rest_of_handle_reorder_blocks): Ditto.
7015 (rest_of_handle_partition_blocks): Ditto.
7016 * var-tracking.c (variable_tracking_main): Ditto.
7017 * tree-profile.c (tree_profiling): Ditto.
7018 * tree-vect-generic.c (expand_vector_operations): Ditto.
7019 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7020 * sched-rgn.c (rest_of_handle_sched): Ditto.
7021 (rest_of_handle_sched2): Ditto.
7022 * basic-block.h (free_bb_insn): Ditto.
7023 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7024 * tree-cfg.c (execute_build_cfg): Ditto.
7025 (remove_useless_stmts): Ditto.
7026 (split_critical_edges): Ditto.
7027 (execute_warn_function_return): Ditto.
7028 (execute_warn_function_noreturn): Ditto.
7029 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7030 * cfgrtl.c (free_bb_for_insn): Ditto.
7031 * passes.c (execute_one_pass): Run additional
7032 todos returned by execute function.
7033 * tree-pass.h (struct tree_opt_pass): Make execute
7036 2006-03-02 Richard Guenther <rguenther@suse.de>
7038 * tree-ssa-alias.c (find_used_portions): Consider taking
7039 the address as making the variable not write-only.
7041 2006-03-02 Nick Clifton <nickc@redhat.com>
7043 * config.gcc (default_use_cxa_atexit): Extend the description of
7044 this configure variable. Set its default value to "yes" for
7045 Linux, NetBSD and ELF targets on the assumption that they will
7046 use C libraries with the __cxa_atexit function.
7048 2006-03-02 Ben Elliston <bje@au.ibm.com>
7050 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7051 parameter as unused to suppress a build warning.
7053 2006-03-02 Ben Elliston <bje@au.ibm.com>
7055 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7058 2006-03-01 Roger Sayle <roger@eyesopen.com>
7061 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7062 declared name, the weak reference name, and the typeof name.
7063 (__gthrw): Avoid expanding the declared name suffix.
7064 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7066 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7068 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7070 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7071 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7072 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7073 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7074 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7075 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7076 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7077 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7078 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7079 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7080 (DW_END_default, DW_END_big, DW_END_little): New.
7081 (DW_END_lo_user, DW_END_hi_user): Define.
7082 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7083 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7084 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7087 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7089 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7091 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7093 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7095 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7097 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7098 to 'symbol_mem_tag'.
7100 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7103 2006-03-01 Roger Sayle <roger@eyesopen.com>
7105 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7107 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7110 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7111 MACHO_DYNAMIC_NO_PIC_P.
7112 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7114 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7117 * config/darwin-protos.h (darwin_asm_output_anchor):
7119 * config/darwin-sections.def (cstring_section):
7120 Add SECTION_MERGE to the flags.
7121 (literal4_section): Likewise.
7122 (literal8_section): Likewise.
7123 (objc_selector_refs_section): Likewise.
7124 (objc_cls_refs_section): Likewise.
7125 * config/darwin.c (darwin_asm_output_anchor): New
7127 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7129 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7131 Fix PR tree-optimization/26443
7132 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7133 to todo and PROP_tmt_usage to properties_destroyed.
7134 * tree-ssa-ccp.c (pass_ccp): Ditto.
7135 (pass_store_ccp): Ditto.
7136 * tree-ssa-dom.c (pass_dominator): Ditto.
7138 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7140 * tree-ssa-operands.c: Cleanup whitespace.
7141 (get_asm_expr_operands): Move before first invocation.
7142 (get_indirect_ref_operands): Likewise.
7143 (get_tmr_operands): Likewise.
7144 (get_call_expr_operands): Likewise.
7145 (append_def): Likewise.
7146 (append_use): Likewise.
7147 (append_v_may_def): Likewise.
7148 (append_v_must_def): Likewise.
7149 (add_call_clobber_ops): Likewise.
7150 (add_call_read_ops): Likewise.
7151 (add_stmt_operand): Likewise.
7152 (add_virtual_operand): Likewise.
7153 (build_ssa_operands): Likewise.
7155 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7160 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7161 with a call expr to ...
7162 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7164 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7166 * tree-vrp.c (extract_range_from_assert): Remove special
7167 handling for types with super-types.
7169 2006-03-01 Ben Elliston <bje@au.ibm.com>
7171 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7172 and powerpc64-*-linux* configurations.
7173 * config/t-dfprules: New file.
7175 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7176 Compile dfp-bit.c from the source directory using -DWIDTH and
7177 $DFP_CFLAGS to control the compilation of that file, rather than
7178 generating width-specific versions in the build directory.
7179 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7180 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7182 2006-02-28 Zack Weinberg <zackw@panix.com>
7184 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7187 2006-02-28 Eric Christopher <echristo@apple.com>
7189 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7190 Set up IN_LIBGCC definition of TARGET_64BIT.
7191 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7193 2006-02-28 Roger Sayle <roger@eyesopen.com>
7196 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7197 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7198 cases via the construction of "expr != 0".
7200 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7202 * alias.c (alias_invariant, alias_invariant_size): Remove.
7203 (record_base_value): Remove.
7204 (memrefs_conflict_p): Don't look at alias_invariant.
7205 (end_alias_analysis): Don't free it.
7206 * alias.h (record_base_value): Remove prototype.
7208 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7209 Adam Nemet <anemet@caviumnetworks.com>
7211 * rtl.h (truncated_to_mode): Declare it.
7212 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7213 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7214 (RTL_HOOKS_INITIALIZER): Include it.
7215 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7216 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7217 reg_truncated_to_mode.
7218 * rtlanal.c (truncated_to_mode): Define it.
7219 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7221 2006-02-28 Jeff Law <law@redhat.com>
7223 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7224 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7225 the range allowed by TYPE_PRECISION.
7227 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7229 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7231 PR tree-optimization/26419
7232 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7235 2006-02-27 Zack Weinberg <zackw@panix.com>
7237 * doc/md.texi: Fix typo in previous change.
7239 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7243 2006-02-27 Zack Weinberg <zackw@panix.com>
7245 * rtl.def (define_constraint, define_register_constraint)
7246 (define_memory_constraint, define_address_constraint): New MD forms.
7247 * gensupport.c (process_rtx): Put define_constraint etc on the
7249 * genpreds.c (process_define_predicate): Adjust comment. Validate
7250 the name, and call validate_exp to validate the expression.
7251 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7252 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7253 all callers changed.
7254 (validate_exp, needs_variable, struct constraint_data)
7255 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7256 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7257 (const_dbl_constraints, constraint_max_namelen)
7258 (have_register_constraints, have_memory_constraints)
7259 (have_address_constraints, have_address_constraints)
7260 (have_extra_constraints, have_const_int_constraints)
7261 (have_const_dbl_constraints, mangle, add_constraint)
7262 (process_define_constraint, process_define_register_constraint)
7263 (write_enum_constraint_num, write_lookup_constraint)
7264 (write_insn_constraint_len, write_regclass_for_constraint)
7265 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7266 (write_insn_extra_memory_constraint)
7267 (write_insn_extra_address_constraint)
7268 (write_satisfies_constraint_fns): New.
7269 (write_tm_preds_h): If we have new-style constraint definitions,
7270 prototype the functions generated from them, and define the
7271 old constraint interface (still used by generic code) in terms of
7273 (write_insn_preds_c): If we have new-style constraint definitions,
7274 generate all relevant functions from those definitions.
7275 (main): Handle define_constraint etc.
7276 * genoutput.c (struct constraint_data, indep_constraints)
7277 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7278 (mdep_constraint_len): New data structures and functions, defined
7279 #ifdef USE_MD_CONSTRAINTS.
7280 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7281 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7282 use new logic to validate operand constraints against constraint
7284 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7286 * defaults.h: If none of the old-style constraint macros are
7287 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7288 old-style macros; and poison REG_CLASS_FROM_LETTER,
7289 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7291 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7292 * doc/md.texi: Document new constraint-definition mechanism and the
7293 C interface it provides. Remove references to old mechanism
7294 elsewhere in the document.
7295 (Machine Constraints): Use pathnames relative to gcc directory,
7296 i.e. config/ARCH/FILE. Change i386 section to refer to
7297 config/i386/predicates.md; update that section to match docstrings.
7298 * doc/tm.texi: Move all documentation of the old constraint-
7299 definition macros to their own section, clearly mark as obsolete.
7301 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7302 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7304 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7305 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7306 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7308 (splits and peepholes): Use satisfies_constraint_*.
7309 * config/i386/i386.c (memory_address_length)
7310 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7312 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7314 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7315 scalar operation to be put back into the loop.
7317 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7320 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7321 (extract_cie_info): Handle S flag in augmentation string.
7322 (execute_cfa_program): If context->signal_frame, execute also
7323 fs->pc == context->ra instructions.
7324 (uw_frame_state_for): If context->signal_frame, don't subtract one
7325 from context->ra to find FDE.
7326 (uw_update_context_1): Set context->signal_frame to
7328 (_Unwind_GetIPInfo): New function.
7329 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7330 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7332 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7333 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7334 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7335 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7336 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7337 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7338 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7339 x86_64_fallback_frame_state): Set fs->signal_frame.
7340 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7341 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7342 (frob_update_context): Likewise. Workaround missing S flag in
7343 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7344 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7345 Remove the psw_addr + 1 hack.
7347 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7349 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7350 with aggregates here.
7351 (find_func_aliases): Remove code for &<aggregate> from here.
7353 2006-02-26 Roger Sayle <roger@eyesopen.com>
7355 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7356 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7357 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7360 2006-02-26 Roger Sayle <roger@eyesopen.com>
7363 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7365 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7367 * opts.c (decode_options): Do not handle flag_strength_reduce.
7368 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7369 and OPT_fstrength_reduce.
7370 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7371 flag_prefetch_loop_arrays for being nonzero.
7372 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7374 (fprefetch-loop-arrays-rtl): Removed.
7375 (flag_prefetch_loop_arrays): Do not specify the value.
7377 * doc/passes.texi: Update documentation of loop optimizer
7379 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7380 -frerun-loop-opt): Remove.
7382 2006-02-26 Richard Guenther <rguenther@suse.de>
7384 PR tree-optimization/26421
7385 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7386 in function calls that are ADDR_EXPRs as using the whole structure.
7388 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7390 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7391 * tree-pass.h (pass_loop_optimize): Remove.
7392 * passes.c (pass_loop_optimize): Never run it.
7393 * toplev.c (backend_init): Don't call init_loop.
7394 * opts.c (flag_loop_optimize_set): Remove.
7395 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7396 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7397 the old RTL loop optimizer when profiling enabled.
7398 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7399 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7400 pre-headers for the sake of the old RTL loop optimizer.
7401 * Makefile.in: Remove all references to loop.o.
7403 * doc/invoke.texi: Remove all references to -floop-optimize
7404 and -frerun-loop-opt.
7406 2006-02-26 Zack Weinberg <zackw@panix.com>
7408 * doc/md.texi (Machine Constraints): Refer to all files with paths
7409 relative to gcc directory (i.e. config/CPU/file). Add missing
7410 @table @code ... @end table to M32C subsection.
7412 2006-02-26 Roger Sayle <roger@eyesopen.com>
7414 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7416 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7418 2006-02-26 Roger Sayle <roger@eyesopen.com>
7419 James A. Morrison <phython@gcc.gnu.org>
7422 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7423 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7424 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7425 signedness of the shift operation.
7427 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7429 PR tree-optimization/26359
7430 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7432 2006-02-25 Roger Sayle <roger@eyesopen.com>
7434 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7435 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7436 as X == 0, and some symmetry related transformations.
7437 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7439 2006-02-25 Roger Sayle <roger@eyesopen.com>
7442 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7443 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7444 symmetry related transformations. Fold (X^C1) == C2 as
7447 2006-02-25 Juergen Weigert <jw@suse.de>
7448 Richard Guenther <rguenther@suse.de>
7450 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7452 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7454 * combine.c (gen_lowpart_or_truncate): Call
7455 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7457 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7459 * doc/invoke.texi: Move -fopenmp description to "Options for
7461 Remove reference to -lgomp.
7463 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7465 * doc/install.texi: Require GNU tar version 1.14.
7467 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7469 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7470 * doc/invoke.texi (C++ Dialect Options): Document
7471 -fno-use-cxa-get-exception-ptr.
7472 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7473 * configure: Regenerate.
7474 * c.opt (fuse-cxa-get-exception-ptr): New.
7475 * c-opts.c (c_common_handle_option): Handle
7476 OPT_fuse_cxa_get_exception_ptr.
7477 * c-common.c (flag_use_cxa_atexit): Update documentation.
7478 (flag_use_cxa_get_exception_ptr): New.
7479 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7480 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7482 (C_COMMON_OVERRIDE_OPTIONS): New.
7484 2006-02-24 Roger Sayle <roger@eyesopen.com>
7487 * combine.c (try_combine): Explicitly check whether GET_CODE is
7488 a SET or a CLOBBER, instead on checking that it isn't a USE.
7490 2006-02-24 Roger Sayle <roger@eyesopen.com>
7492 * fold-const.c (fold_comparison): New subroutine of fold_binary
7493 containing transformations common to both the equality and
7494 ordering relational operators, factored out of fold_binary.
7495 (fold_binary): Separate out the equality operators (EQ_EXPR
7496 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7497 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7498 transformations common to both.
7499 (fold_div_compare): Fix latent bugs in the previously unreachable
7500 LT_EXPR and GE_EXPR cases.
7502 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7504 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7505 decl libname for clog to __clog on AIX.
7507 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7509 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7512 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7513 output traceback table for thunks. Localise rs6000_stack_info call.
7515 2006-02-23 Roger Sayle <roger@eyesopen.com>
7516 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7518 * gthr-posix.h (__gthrw): Fix typo in comment.
7520 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7522 * doc/cpp.texi (Character sets): Document that we do support
7523 input files to be in any character set.
7525 2006-02-23 Jeff Law <law@redhat.com>
7527 * tree.h (PHI_ARG_NONZERO): Remove.
7528 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7529 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7530 node to the new node.
7532 PR tree-optimization/26425
7533 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7534 min/max, then assume its varying.
7536 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7538 PR rtl-optimization/26316
7539 * rtlanal.c (enum may_trap_p_flags): New.
7540 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7541 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7542 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7543 (may_trap_after_code_motion_p): New function.
7544 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7545 (find_invariant_insn): Use may_trap_after_code_motion_p.
7546 * rtl.h (may_trap_after_code_motion_p): Declare.
7548 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7550 * emit-rtl.c (immed_double_const): Cleanup.
7552 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7554 Fix PR tree-optimization/26376
7555 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7558 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7561 * gimplify.c (omp_add_variable): Guard variable size decl test with
7562 DECL_SIZE (decl) check.
7564 2006-02-23 Richard Guenther <rguenther@suse.de>
7567 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7568 like aggregate types.
7570 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7572 * configure.ac: Add --with{,out}-long-double-128 configure option.
7573 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7574 * configure: Rebuilt.
7575 * config.in: Rebuilt.
7576 * doc/install.texi (Options specification): Document
7577 --with-long-double-128.
7579 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7580 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7581 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7582 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7584 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7586 * config/s390/s390.c (override_options): Handle
7587 TARGET_DEFAULT_LONG_DOUBLE_128.
7589 * config/alpha/alpha.c (override_options): Handle
7590 TARGET_DEFAULT_LONG_DOUBLE_128.
7592 * config/sparc/sparc.c (sparc_override_options): Handle
7593 TARGET_DEFAULT_LONG_DOUBLE_128.
7595 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7597 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7598 (real-install-headers-tar, real-install-headers-cpio)
7599 (real-install-headers-cp): New targets.
7601 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7603 * tree.h (variable_section): Delete.
7604 * varasm.c (variable_section): Delete.
7606 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7608 * install.texi: Add notes on install.texi2html.
7609 (Building in parallel): Do not use footnotes.
7611 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7614 * doc/install.texi (Configuration): Document --disable-libgomp.
7616 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7618 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7620 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7622 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7623 (vec_extractv2df_0_sse): New.
7625 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7627 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7628 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7629 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7630 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7631 to the result of the expression.
7632 (def_cfa_1): Adjust.
7633 (frame_pointer_cfa_offset): Rename to...
7634 (frame_pointer_fb_offset): ... this. Adjust all uses.
7635 (convert_cfa_to_loc_list): Rename to...
7636 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7637 Pass it on to build_cfa_loc.
7638 (compute_frame_pointer_to_cfa_displacement): Rename to...
7639 (compute_frame_pointer_to_fb_displacement): ... this. New
7640 offset parameter. Use it in computation.
7641 (gen_subprogram_die): Compute cfa_fb_offset with the new
7642 macro, and use it to compute the fb loc list and the
7645 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7647 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7648 replaced with register_operand.
7649 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7650 non-DREG is expensive.
7651 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7652 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7655 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7657 * doc/install.texi2html: Use set -e.
7659 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7661 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7662 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7663 * doc/invoke.texi (-fshared-data): Delete.
7664 * common.opt (fshared-data): Delete.
7665 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7666 (assemble_static_space): Remove #if 0 code.
7667 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7668 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7669 * config/cris/cris.h: Remove FIXME.
7671 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7673 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7676 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7679 * combine.c (simplify_shift_const_1): Disable nested shifts
7680 optimization for vector shifts.
7682 2006-02-20 Roger Sayle <roger@eyesopen.com>
7684 PR tree-optimization/26361
7685 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7686 of unsigned integer types.
7688 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7690 * tree-chrec.c (eq_evolutions_p): New.
7691 * tree-chrec.h (eq_evolutions_p): Declared.
7692 * tree-data-ref.c: Fix formatting.
7693 (datadep_stats, dependence_stats): New.
7695 (print_direction_vector): New.
7696 (dump_data_dependence_relation): Use print_direction_vector.
7697 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7698 (compute_subscript_distance): Static.
7699 (initialize_data_dependence_relation): Static. Get the number
7700 of loops surrounding the references from the callers, and initialize
7701 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7702 base_object_differ_p analyzers.
7703 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7704 compute_overlap_steps_for_affine_1_2,
7705 analyze_subscript_affine_affine): Count the classified dependences.
7706 Print a message when a test failed.
7707 (can_use_analyze_subscript_affine_affine): New.
7708 (analyze_siv_subscript): Compute the data dependences on symbolic
7709 scevs that verify can_use_analyze_subscript_affine_affine.
7710 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7711 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7712 Handle symbolic scevs.
7713 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7715 (subscript_dependence_tester): Moved...
7716 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7717 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7718 DDR_SIZE_VECT instead of getting it in parameter.
7719 (subscript_dependence_tester): ... here. Take as a parameter
7720 loop_nest_depth. Call build_classic_dist_vector and
7721 build_classic_dir_vector.
7722 (compute_affine_dependence): Update subscript_dependence_tester
7723 parameters. Update datadep_stats counters. Call
7724 compute_subscript_distance.
7725 (compute_self_dependence): Save the dist and dir vectors. Call
7726 compute_subscript_distance.
7727 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7728 (compute_all_dependences): Reorder parameters as they were before
7729 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7730 compute_subscript_distance. Update the use of
7731 compute_affine_dependence and initialize_data_dependence_relation.
7732 (find_data_references_in_loop): Handle COMPONENT_REF.
7733 (compute_data_dependences_for_loop): Initialize dependence_stats.
7734 Don't call build_classic_dist_vector and build_classic_dir_vector.
7735 Update the parameters of initialize_data_dependence_relation and
7736 compute_all_dependences. Print the statistics from datadep_stats.
7737 (analyze_all_data_dependences): Static. Not used until the pass for
7738 checking the data dependences is contributed.
7739 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7740 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7741 (initialize_data_dependence_relation, compute_affine_dependence,
7742 analyze_all_data_dependences, compute_subscript_distance): Removed.
7743 (print_direction_vector): New.
7744 * lambda.h (gcd): ... here.
7745 (lambda_vector_gcd): Moved here from gcd_vector.
7746 * lambda-code.c (gcd, gcd_vector): Removed.
7747 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7748 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7750 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7752 * ipa-type-escape.c: Tidy some comments and white space.
7753 * tree-ssa-operands.c: Likewise.
7755 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7758 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7759 (dump_decl_name): Do not walk the decl tree chains.
7760 * tree-pass.h (TDF_CHAIN): Remove.
7762 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7764 * Makefile.in (C): Remove
7766 (.PHONY): Remove C and PROTO
7768 2006-02-20 Roger Sayle <roger@eyesopen.com>
7771 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7772 deprecated CHAR_TYPE tree code.
7774 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7776 * configure.ac (target_list): Add install-info, dvi, html.
7777 * configure: Regenerate.
7779 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7780 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7781 treelang/Make-lang.in: Do not use double-colon rules.
7783 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7785 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7786 (TMT_USED_ALONE): New macro.
7787 * tree-pass.h (PROP_tmt_usage): New property.
7788 (TODO_update_tmt_usage): New todo.
7789 * tree-ssa-alias.c (updating_used_alone): New variable.
7790 (recalculate_used_alone): New function.
7791 (compute_may_aliases): Set updating_used_alone, call
7792 recalculate_used_alone.
7793 * tree-sra.c (pass_sra): Note that this pass destroys
7794 PROP_tmt_usage, and add TODO_update_tmt_usage.
7795 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7796 * tree-flow.h (updating_used_alone): Prototype.
7797 (recalculate_used_alone): Ditto.
7798 * passes.c (execute_todo): Add code to set updating_used_alone,
7799 and call recalculate.
7800 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7801 for clobber if used alone, and add assert to verify used_alone
7804 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7806 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7807 for non tls symbols added.
7808 (legitimize_address): Do nothing for PLUS expressions if one of the
7809 addends is a tls symbol reference.
7811 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7815 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7817 * Makefile.in (BOOTSTRAPPING): New.
7818 (quickstrap): New definition if BOOTSTRAPPING=yes.
7820 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7821 * configure.ac: Substitute all_selected_languages with the languages
7822 that were configured. For all the other variables except
7823 lang_specs_files, include all the languages in the tree.
7824 * configure: Regenerate.
7826 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7827 if there is one. Run the commands to run fixincludes in the same
7830 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7831 * doc/install.texi: Document exact conventions for searching target tools.
7832 Document --with-build-time-tools. Document toplevel bootstrap. Document
7833 something more about building an Ada cross-compiler. Don't list GNU Make
7834 requirements which affect all platforms.
7836 2006-02-19 Roger Sayle <roger@eyesopen.com>
7839 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7840 only equivalent if the have both the same mode and precision.
7842 2006-02-20 Ben Elliston <bje@au.ibm.com>
7844 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7846 2006-02-19 Roger Sayle <roger@eyesopen.com>
7847 Steven Bosscher <stevenb.gcc@gmail.com>
7849 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7850 constant pool references to identify stack mode constants.
7851 * rtlanal.c (constant_pool_constant_p): New predicate to check
7852 whether operand is a floating point constant in the pool.
7853 * rtl.h (constant_pool_constant_p): Prototype here.
7854 * loop.c (scan_loop): Avoid hoisting constants from the constant
7855 pool on STACK_REGS targets.
7856 (load_mems): Likewise.
7857 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7858 loads into x87 registers expensive in terms of register pressure.
7860 2006-02-19 Roger Sayle <roger@eyesopen.com>
7862 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7863 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7865 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7867 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7868 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7870 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7872 * doc/invoke.texi: Document -fipa-pta.
7873 * common.opt: Add ipa-pta option.
7874 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7875 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7876 (do_ds_constraint): Ditto.
7877 (get_constraint_for): Only add to referenced_vars if
7878 referenced_vars exists.
7879 (insert_into_field_list): Rewrite to do this unsorted.
7880 (insert_into_field_list_sorted): Rename old insert_into_field_list
7882 (create_function_info_for): Use insert_into_field_list_sorted.
7883 (create_variable_info_for): Rewrite so it uses unsorted version,
7884 since the field list is sorted.
7885 (intra_create_variable_infos): Only add to referenced_vars if
7886 referenced_vars exists.
7887 (ipa_pta_execute): Init heapvars, and delete when done.
7888 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7890 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7892 * doc/install.texi: Add missing `@samp'.
7894 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7896 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7899 2006-02-18 Mark Wielaard <mark@klomp.org>
7901 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7902 who added new 4.1 features, bug fixes and integration support.
7904 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7907 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7910 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7912 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7913 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7914 (copy_insn_1): Likewise. Don't copy each field individually.
7916 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7918 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7919 * rtl.c (rtx_size): Rename variable to...
7920 (rtx_code_size): ...this.
7921 (rtx_size): New function.
7922 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7923 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7925 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7926 * rtl.h (rtx_code_size): New variable.
7927 (rtx_size): Change from a variable to a function.
7928 (RTX_SIZE): Rename to...
7929 (RTX_CODE_SIZE): ...this.
7932 PR tree-optimization/17106
7933 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7934 (Anchored Addresses): New section.
7935 * doc/invoke.texi (-fsection-anchors): Document.
7936 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7937 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7938 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7939 * hooks.c (hook_bool_mode_rtx_false): New function.
7940 * hooks.h (hook_bool_mode_rtx_false): Declare.
7941 * gengtype.c (create_optional_field): New function.
7942 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7943 SYMBOL_REF_IN_BLOCK_P is true.
7944 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7945 (min_anchor_offset, max_anchor_offset): Likewise.
7946 (use_anchors_for_symbol_p): New hook.
7947 * toplev.c (compile_file): Call output_object_blocks.
7948 (target_supports_section_anchors_p): New function.
7949 (process_options): Check that -fsection-anchors is only used on
7950 targets that support it and when -funit-at-a-time is in effect.
7951 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7952 if the decl doesn't have one.
7953 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7954 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7955 of force_const_mem through use_anchored_address.
7956 (expand_expr_constant): New function.
7957 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7958 calling expand_expr for INDIRECT_REF.
7959 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7960 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7961 * expr.h (use_anchored_address): Declare.
7962 * loop-unroll.c: Don't declare rtx vectors here.
7963 * explow.c: Include output.h.
7964 (validize_mem): Call use_anchored_address.
7965 (use_anchored_address): New function.
7966 * common.opt (-fsection-anchors): New switch.
7967 * varasm.c (object_block_htab, anchor_labelno): New variables.
7968 (hash_section, object_block_entry_eq, object_block_entry_hash)
7969 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7970 (use_blocks_for_decl_p, change_symbol_section): New functions.
7971 (get_variable_section): New function, split out from assemble_variable.
7972 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7973 use_blocks_for_decl_p say so. Use change_symbol_section if the
7974 symbol has already been created.
7975 (assemble_variable_contents): New function, split out from...
7976 (assemble_variable): ...here. Don't output any code for
7977 block symbols; just pass them to place_block_symbol.
7978 Use get_variable_section and assemble_variable_contents.
7979 (get_constant_alignment, get_constant_section, get_constant_size): New
7980 functions, split from output_constant_def_contents.
7981 (build_constant_desc): Create a block symbol if use_object_blocks_p
7982 says so. Or into SYMBOL_REF_FLAGS.
7983 (assemble_constant_contents): New function, split from...
7984 (output_constant_def_contents): ...here. Don't output any code
7985 for block symbols; just pass them to place_section_symbol.
7986 Use get_constant_section and get_constant_alignment.
7987 (force_const_mem): Create a block symbol if use_object_blocks_p and
7988 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7989 (output_constant_pool_1): Add an explicit alignment argument.
7990 Don't switch sections here.
7991 (output_constant_pool): Adjust call to output_constant_pool_1.
7992 Switch sections here instead. Don't output anything for block symbols;
7993 just pass them to place_block_symbol.
7994 (init_varasm_once): Initialize object_block_htab.
7995 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7996 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7997 (place_block_symbol, get_section_anchor, output_object_block)
7998 (output_object_block_htab, output_object_blocks): New functions.
7999 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8000 (TARGET_ASM_OUT): Include it.
8001 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8002 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8003 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8004 (TARGET_INITIALIZER): Include them.
8005 * rtl.c (rtl_check_failed_block_symbol): New function.
8006 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8007 (block_symbol, object_block): New structures.
8008 (rtx_def): Add a block_symbol field to the union.
8009 (BLOCK_SYMBOL_CHECK): New macro.
8010 (rtl_check_failed_block_symbol): Declare.
8011 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8012 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8013 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8014 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8015 * output.h (output_section_symbols): Declare.
8016 (object_block): Name structure.
8017 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8018 (default_use_anchors_for_symbol_p): Declare.
8019 * Makefile.in (RTL_BASE_H): Add vec.h.
8020 (explow.o): Depend on output.h.
8021 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8022 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8023 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8024 (rs6000_use_blocks_for_constant_p): New function.
8026 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8028 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8030 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8033 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8036 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8038 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8042 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8045 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8046 instead of DECL_REGISTER.
8048 2006-02-18 Olivier Hainque <hainque@adacore.com>
8051 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8053 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8056 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8057 * opth-gen.awk: Handle Var and InverseMask together.
8058 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8059 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8060 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8061 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8063 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8064 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8065 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8066 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8067 LINUX_DYNAMIC_LINKER): Define.
8068 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8069 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8071 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8072 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8073 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8074 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8075 (TARGET_C99_FUNCTIONS): Don't define.
8076 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8077 GLIBC_DYNAMIC_LINKER.
8078 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8079 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8080 GLIBC_DYNAMIC_LINKER64): Define.
8081 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8082 LINUX_DYNAMIC_LINKER64.
8083 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8084 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8085 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8086 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8087 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8088 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8089 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8090 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8091 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8092 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8093 and LINUX_DYNAMIC_LINKER32.
8094 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8095 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8096 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8097 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8098 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8100 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8101 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8102 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8103 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8104 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8105 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8106 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8107 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8108 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8109 LINUX_DYNAMIC_LINKER): Define.
8110 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8111 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8112 GLIBC_DYNAMIC_LINKER64): Define.
8113 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8114 LINUX_DYNAMIC_LINKER64.
8115 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8116 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8117 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8118 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8119 LINUX_DYNAMIC_LINKER): Define.
8120 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8121 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8122 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8123 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8124 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8125 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8126 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8127 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8128 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8129 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8130 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8131 * doc/invoke.texi (-muclibc): Remove caveat about supported
8134 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8136 * doc/cpp.texi (__TIMESTAMP__): Document.
8138 2006-02-17 Roger Sayle <roger@eyesopen.com>
8141 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8142 C is one less than the width of X (and related transformations).
8143 * simplify-rtx.c (simplify_unary_operation_1): Transform
8144 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8145 depending on STORE_FLAG_VALUE, were C is one less then the
8148 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8150 Fix PR tree-optimization/26341
8151 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8152 about NAME_MEMORY_TAG's.
8154 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8157 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8158 with hardware float support, and software float support. Add fcpy
8159 alternative to hardware patterns. Add alternatives to copy between
8160 general and floating-point registers to the 32-bit pattern.
8161 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8162 secondary reload to load a QI or HI mode constant into a floating
8164 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8165 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8167 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8170 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8172 (load_macho_picbase_di): Likewise.
8174 2006-02-16 Jeff Law <law@redhat.com>
8176 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8177 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8178 (ssa_name_nonzero_p): Likewise.
8179 (get_value_range): Return NULL if VRP is not running.
8180 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8181 VRP routines do not discover a range.
8182 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8183 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8184 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8185 (tree_expr_nonnegative_p): Similarly.
8186 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8187 (restore_nonzero_vars_to_original_value): Remove.
8188 (unsafe_associative_fp_binop): Remove.
8189 (tree_ssa_dominator_optimize): Remove initialization and
8190 finalization of nonzero_vars and nonzero_vars_stack.
8191 (dom_opt_initialize_block): No longer push marker on
8193 (dom_opt_finalize_block): No longer call
8194 restore_nonzero_vars_to_original_value.
8195 (record_equivalences_from_phis): No longer look for
8196 nonzero PHI arguments.
8197 (cprop_into_successor_phis): No longer propagate nonzero
8198 property into PHI arguments. Lose unused argument. Caller
8200 (record_equivalences_from_stmt): No longer record nonzero
8201 values for SSA_NAMEs.
8202 (lookup_avail_expr): No longer use nonzero_vars.
8204 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8205 for sizetype when sizetype is unsigned.
8207 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8209 PR rtl-optimization/25603
8210 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8211 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8212 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8213 with new meaning of SETS.
8215 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8220 * config/linux.opt: New file.
8221 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8222 LINUX_DYNAMIC_LINKER): Define.
8223 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8224 * config.gcc (*-*-linux*): Define extra_options.
8225 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8226 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8227 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8228 GLIBC_DYNAMIC_LINKER.
8229 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8230 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8231 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8232 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8233 * doc/invoke.texi (GNU/Linux Options): New section.
8235 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8237 * config/sparc/sparc.md (setjmp): Rewrite.
8238 (setjmp_32): Delete.
8239 (setjmp_64): Likewise.
8241 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8243 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8246 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8248 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8251 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8253 PR rtl-optimization/26296
8254 * Makefile.in (loop-invariant.c): Add except.h dependency.
8255 * loop-invariant.c: Include except.h.
8256 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8258 2005-02-16 Paul Brook <paul@codesourcery.com>
8260 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8263 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8265 PR rtl-optimization/25636
8266 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8267 when deciding whether an insn is an initializing insn.
8269 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8271 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8272 (tree_code_size): Ditto.
8273 * tree.h (struct tree_memory_tag): Remove parent_var.
8274 (struct tree_struct_field_tag): New.
8277 (union tree_node): Add sft member.
8278 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8280 (create_sft): Add size and offset argument, set SFT_OFFSET and
8282 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8283 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8284 * tree-flow-inline.h (get_subvar_at): Update for
8285 SFT_OFFSET/SFT_SIZE.
8286 (var_can_have_subvars): Ditto.
8287 (overlap_subvar): Ditto.
8288 * print-tree.c (print_node): Print out interesting things for
8290 * tree-flow.h (struct subvar): Remove offset and size members.
8291 * tree-ssa-operands.c (get_expr_operands): Update for
8292 get_indirect_ref_operands changes.
8293 (get_indirect_ref_operands): Call add_virtual_operand instead of
8294 add_stmt_operand. Only recurse on base var if requested.
8295 (access_can_touch_variable): New function.
8296 (add_stmt_operand): Split virtual operand handling into ...
8297 (add_virtual_operand): Here. Add offset, size, and for_clobber
8298 arguments. Prune alias sets.
8299 (add_call_clobber_ops): Call add_virtual_operand.
8301 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8304 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8306 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8307 than TREE_CODE as index into omp_clause_num_ops array.
8309 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8311 PR rtl-optimization/26184
8312 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8314 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8315 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8316 must_precede, must_follow and tobe_scheduled.
8319 * opts.c (common_handle_option): Free new_option pointer.
8320 * df-core.c (df_analyze): Free postorder pointer.
8322 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8324 * Makefile.in: Fix the examples about the use of stamps
8326 2006-02-15 Michael Matz <matz@suse.de>
8330 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8331 influenced by maximum_field_alignment or DECL_PACKED.
8332 (update_alignment_for_field): Ditto.
8333 (place_field): Ditto.
8334 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8337 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8339 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8340 (debug_flow_info): Pass it.
8341 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8342 * bb-reorder.c (reorder_basic_blocks): Likewise.
8343 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8344 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8345 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8346 * gcse.c (gcse_main, bypass_jumps): Likewise.
8347 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8348 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8349 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8350 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8351 * rtl.h (dump_flow_info): Adjust prototype.
8352 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8353 * var-tracking.c (variable_tracking_main): Likewise.
8354 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8355 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8358 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8360 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8363 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8365 PR tree-optimization/26209
8366 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8367 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8369 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8371 2006-02-14 Roger Sayle <roger@eyesopen.com>
8374 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8375 (X,Y) and the corresponding symmetry related transformations.
8376 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8377 (X,Y) and its symmetry related transformations.
8379 2006-02-14 Roger Sayle <roger@eyesopen.com>
8381 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8384 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8386 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8388 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8391 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8392 support COMDAT group.
8393 * configure: Regenerate.
8395 2006-02-14 Roger Sayle <roger@eyesopen.com>
8400 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8402 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8404 Fix PR tree-optimization/26260
8406 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8408 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8409 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8410 * tree-ssa-structalias.c (create_variable_info_for): Use
8411 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8413 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8415 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8417 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8418 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8419 of the ending condition.
8420 * tree-ssa-loop-manip.c: Include params.h.
8421 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8422 tree_unroll_loop): New functions.
8423 * tree-pass.h (pass_loop_prefetch): Declare.
8424 * loop.c (rest_of_handle_loop_optimize): Test for
8425 -fprefetch-loop-arrays-rtl.
8426 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8427 * timevar.def (TV_TREE_PREFETCH): New timevar.
8428 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8429 pass_loop_prefetch): New.
8430 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8431 (cleanup_tree_cfg_loop): Call scev_reset.
8432 * common.opt (fprefetch-loop-arrays-rtl): Add.
8433 * tree-ssa-loop-prefetch.c: New file.
8434 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8435 (new_temp_expr_table): Initialize expr_vars.
8436 (free_temp_expr_table): Cleanup expr_vars.
8437 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8438 expressions from being merged into one.
8439 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8440 (struct tree_niter_desc): Add control, bound and cmp fields.
8441 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8443 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8444 (tree-cfgcleanup.o): Add SCEV_H dependency.
8445 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8446 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8448 2006-02-14 Richard Guenther <rguenther@suse.de>
8450 PR tree-optimization/26258
8451 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8452 in PHI argument processing.
8454 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8456 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8457 new expression in the requested machine mode.
8459 2006-02-13 Roger Sayle <roger@eyesopen.com>
8461 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8462 directly, instead let do_compare_rtx_and_jump handle this for us.
8463 * expr.c (expand_expr_real_1): Likewise.
8464 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8465 before do_jump_by_parts_greater.
8466 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8467 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8469 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8471 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8473 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8475 PR rtl-optimization/26235
8476 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8477 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8480 2006-02-13 Jeff Law <law@redhat.com>
8482 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8485 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8488 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8489 twice if decl is a builtin. When trying again, call get_callee_fndecl
8490 first to verify it is still a builtin.
8492 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8494 * dwarf2out.c (base_type_die): Don't add AT_name here.
8495 (subrange_type_die): Don't add AT_name here.
8496 (modified_type_die): Rearrange code flow. Do add AT_name here.
8498 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8500 PR rtl-optimization/26247
8501 PR rtl-optimization/26248
8502 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8504 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8506 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8507 * config/fixtfdi.c: Likewise.
8508 * config/fixunstfdi.c: Likewise.
8509 * config/floatditf.c: Likewise.
8511 2006-02-13 Roger Sayle <roger@eyesopen.com>
8514 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8515 into (X,C2) if C1 is a subset of the bits of C2. Transform
8516 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8518 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8520 2006-02-13 Josh Conner <jconner@apple.com>
8523 * varasm.c (function_section): Check for section name before
8524 calling select_section on targets that define
8525 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8526 unlikely_text_section instead of hot_function_section if
8527 first_function_block_is_cold.
8529 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8532 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8534 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8536 PR rtl-optimization/26222
8537 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8538 after tree->rtl expansion.
8539 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8540 before passing it to emit_move_insn.
8542 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8544 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8546 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8547 Clarify documentation.
8548 * c-common.h (warn_write_strings): Remove.
8549 * c-common.c (warn_write_strings): Likewise.
8550 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8553 2006-02-12 Roger Sayle <roger@eyesopen.com>
8556 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8557 (do_jump_parts_zero_rtx): New function renamed from
8558 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8559 (do_jump_parts_equality_rtx): New function split out from
8560 do_jump_parts_equality. Old implementation renamed as above.
8561 Call do_jump_parts_zero_rtx if either operand is zero.
8562 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8563 do all of the heavy lifting.
8564 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8565 calling either do_jump_by_parts_greater_rtx or
8566 do_jump_by_parts_equality_rtx.
8567 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8568 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8569 moved to do_compare_rtx_and_jump, call it directly.
8570 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8571 mode argument. Call do_compare_rtx_and_jump.
8572 (emit_case_nodes): Update calls to do_jump_if_equal.
8574 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8576 PR rtl-optimization/26225
8577 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8579 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8581 PR rtl-optimization/26232
8582 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8584 2006-02-11 Jason Merrill <jason@redhat.com>
8587 * tree-inline.c (declare_return_variable): Just don't use the
8588 modify target if it's a gimple complex reg and the return slot
8591 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8593 * doc/contrib.texi: Update my entry.
8595 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8597 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8599 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8601 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8604 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8606 * doc/invoke.texi (-floop-optimize2): Removed.
8607 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8608 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8609 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8610 * common.opt (floop-optimize2): Removed.
8611 (fmove-loop-invariants): Enabled by default.
8613 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8615 * tree-if-conv.c (combine_blocks): Free the result of
8616 get_loop_exit_edges.
8618 2006-02-10 Jeff Law <law@redhat.com>
8620 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8622 PR tree-optimization/26213
8623 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8624 loop trying to follow SSA_NAME_VALUE chains.
8626 2006-02-10 Richard Guenther <rguenther@suse.de>
8628 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8629 deal with structures that end in implicitly variable sized arrays.
8631 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8633 PR rtl-optimization/24762
8634 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8637 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8639 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8640 (struct ivopts_data): Add regs_used field.
8641 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8642 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8643 instead of loop_data->regs_used;
8644 (free_loop_data): Do not free aux fields for loops.
8645 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8646 and tree_ssa_iv_optimize_finalize.
8648 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8650 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8652 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8655 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8656 computing the effective result type.
8658 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8661 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8662 (tree_overlaps_hard_reg_set): Declare.
8663 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8664 type and signature to match function type expected by walk_tree.
8665 (tree_overlaps_hard_reg_set): New function.
8666 (decl_conflicts_with_clobbers_p): Rename to:
8667 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8668 Use tree_overlaps_hard_reg_set. Changed caller.
8669 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8670 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8671 * cris.c (cris_md_asm_clobbers): Likewise.
8673 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8675 * reload1.c (emit_input_reload_insns): Delete code that tries to
8676 inherit using find_equiv_reg.
8678 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8680 * c-common.h (flag_const_strings): Don't declare.
8681 * c-common.c (flag_const_strings): Remove.
8682 * c.opt (fconst_strings): Remove.
8683 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8684 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8685 (c_common_init_options): Don't set flag_const_strings.
8686 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8688 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8690 * arm.md (tlobits_cbranch): New pattern.
8691 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8692 testing a single bit.
8694 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8697 * tree-ssa-pre.c (create_component_ref_by_pieces):
8698 Handle RETURN_DECL like VAR_DECL.
8700 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8703 * fold-const.c (fold_indirect_ref_1): Fold
8704 "*(foo *)&complexfoo" to "__real__ complexfoo"
8705 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8707 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8709 * tree-flow-inline.h (var_can_have_subvars):
8710 Volatile variables should not have subvariables.
8712 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8715 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8716 multiplying unsigned values.
8719 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8721 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8723 2006-02-08 Jason Merrill <jason@redhat.com>
8726 * tree.def: Elaborate on difference from MODIFY_EXPR.
8727 * doc/c-tree.texi (INIT_EXPR): Likewise.
8728 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8729 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8730 (gimplify_target_expr): Likewise.
8731 (gimplify_cond_expr): Remove target handling.
8732 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8733 (gimplify_expr): Clobber it here.
8734 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8735 Do return slot optimization if we have an INIT_EXPR.
8738 * tree-inline.c (declare_return_variable): Also clear
8739 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8742 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8745 * gimplify.c (gimplify_one_sizepos): Fix typo.
8747 2006-02-08 Jeff Law <law@redhat.com>
8749 PR tree-optimization/21417
8750 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8751 across a backedge if the control statement at the end of the
8752 block is data dependent on other statements in the same block.
8753 (record_temporary_equivalences_from_stmts): Remove over-conservative
8754 test for threading across backedges.
8756 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8757 control statement, handle all three special cases in the same
8758 manner as they all have the same desired solution. No longer
8759 special case edge flag updating when the post dominator is
8762 2006-02-08 Roger Sayle <roger@eyesopen.com>
8764 * tree.def (CHAR_TYPE): Remove.
8765 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8766 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8767 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8768 (gen_string_type_die): Delete unreachable function.
8770 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8771 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8772 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8773 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8774 * builtins.c (type_to_class): Likewise.
8775 * fold-const.c (fold_convert, build_range_check,
8776 merge_ranges): Likewise.
8777 * expr.c (count_type_elements): Likewise.
8778 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8779 * stor-layout.c (layout_type): Likewise.
8780 * ipa-type-escape.c (type_to_consider): Likewise.
8781 * gimplify.c (omp_firstprivatize_type_sizes,
8782 gimplify_type_sizes): Likewise.
8783 * explow.c (promote_mode): Likewise.
8784 * tree-sra.c (is_sra_scalar_type): Likewise.
8785 * varasm.c (output_constant): Likewise.
8786 * tree-inline.c (remap_type_1): Likewise.
8787 * convert.c (convert_to_pointer, convert_to_real,
8788 convert_to_integer, convert_to_complex): Likewise.
8790 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8792 * df-scan.c (df_def_record_1): A set destination may
8793 be a parallel regardless of mode.
8795 2006-02-08 Roger Sayle <roger@eyesopen.com>
8798 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8799 * config/mips/_tilib.c: Remove.
8800 * config/fixtfdi.c: New libgcc source file.
8801 * config/fixunstfdi.c: New source file.
8802 * config/floatditf.c: New source file.
8803 * config/floatunditf.c: New souce file.
8804 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8805 files above instead of config/mips/_tilib.c.
8806 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8808 2006-02-08 Jeff Law <law@redhat.com>
8810 PR tree-optimization/26169
8811 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8814 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8816 * df.h (DF_REG_SIZE): Return the length of the initialized
8819 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8821 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8822 __muldf3): Return a correctly signed zero.
8824 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8826 * passes.c (register_one_dump_file): Accept the current properties
8827 instead of pass number. Adjust call to dump_register. Remove
8829 (register_dump_files): Now a wrapper around...
8830 (register_dump_files_1): ... this one. Do not modify the pass
8832 (next_pass_1): Cosmetic fix.
8833 (execute_todo): Keep second parameter only. Use curr_properties
8834 instead of fetching it from the pass structure. Check and set
8836 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8837 instead of fetching it from the pass structure. Fix calls to
8838 execute_todo. Update curr_properties and initialize .vcg RTL dump
8839 after running the pass. Reset last_verified.
8840 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8842 (FIRST_AUTO_NUMBERED_DUMP): New.
8843 (dump_register): Remove "num" parameter, assign it within the
8845 (get_dump_file_name): Modify template for dumps.
8846 * tree-dump.h (dump_register): Adjust prototype.
8847 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8848 (PROP_trees): Add PROP_gimple_lomp.
8849 (TODO_set_props): New.
8850 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8851 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8852 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8854 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8856 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8857 (sparc64-*-linux*): Likewise.
8858 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8859 * config/sparc/t-linux: New file.
8860 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8861 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8862 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8863 -m32 -mlong-double-128.
8865 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8866 * config/alpha/t-linux: New file.
8867 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8869 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8870 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8871 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8872 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8873 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8874 (CPP_ARCH32_SPEC): Remove.
8876 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8878 PR tree-optimization/26145
8879 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8882 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8885 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8886 >= 240000 when generating code for SOM runtime.
8887 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8888 to $$dyncall when generating code for SOM runtime..
8890 2006-02-07 Dirk Mueller <dmueller@suse.com>
8893 * doc/invoke.texi (-Wsequence-point): Update documentation
8894 that -Wsequence-point is implemented for C++ as well.
8896 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8898 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8899 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8900 (LIB_SPEC): Likewise.
8901 * doc/invoke.texi (SPARC options): Document -pthread.
8903 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8905 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8908 2006-02-07 Roger Sayle <roger@eyesopen.com>
8910 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8911 Correct comment describing BOOLEAN_TYPE.
8913 2006-02-07 Dirk Mueller <dmueller@suse.com>
8915 * c.opt: C++ frontend supports -Wdiv-by-zero.
8916 * c-opts.c (c_common_handle_option): Remove dead case.
8918 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8920 * configure.ac (TLS assembler check): Do not enable TLS by
8921 default on SPARC/Solaris before version 10.
8922 * configure: Regenerate.
8924 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8926 * doc/invoke.texi (xl-compat): Document conversion and support
8929 2006-02-07 Jeff Law <law@redhat.com>
8931 * tree-vrp.c (find_conditional_asserts): Update comments.
8932 (simplify_stmt_for_jump_threading): New.
8933 (identify_jump_threads, finalize_jump_threads): New.
8934 (vrp_finalize): Call identify_jump_threads.
8935 (execute_vrp): Call finalize_jump_threads.
8936 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8937 (vrp_element, vrp_data, vrp_element_p): Remove.
8938 (vrp_hash_elt, vrp_variables_stack): Remove.
8939 (vrp_hash, vrp_eq, record_range): Remove.
8940 (simplify_cond_and_lookup_avail_expr): Remove.
8941 (extract_range_from_cond): Remove.
8942 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8943 (simplify_stmt_for_jump_threading): New.
8944 (dom_thread_across_edge): New wrapper.
8945 (tree_ssa_dominator_optimize): No longer initialize or
8946 finalize any of the VRP datastructures. Remove iteration
8947 step and simplify as a result of removal of iteration step.
8948 (pass_dominator): Perform a cfg cleanup after DOM.
8949 (dom_opt_finalize_block): Use the new common routines
8950 for threading jumps. Simplify stack management slightly.
8951 No longer need to unwind VRP state.
8952 (record_equivalences_from_incoming_edge): No longer record
8954 (eliminate_redundant_computations): No longer call
8955 simplify_cond_and_lookup_avail_expr.
8956 * tree-flow.h (potentially_threadable_block): Prototype.
8957 (thread_across_edge): Likewise.
8958 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8959 (tree-ssa-threadedge.o): Add dependencies.
8960 * tree-ssa-threadedge.c: New file.
8961 * passes.c (init_optimization_passes): Merge PHIs before
8962 calling VRP. Run VRP again late in the SSA optimization pipeline.
8964 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8966 * df-core.c (df_set_blocks): Do not dereference function pointers.
8967 (df_finish1): Likewise.
8968 (df_hybrid_search_forward): Likewise.
8969 (df_hybrid_search_backward): Likewise.
8970 (df_iterative_dataflow): Likewise.
8971 (df_analyze_problem): Likewise.
8972 (df_compact_blocks): Likewise.
8973 (df_dump): Likewise.
8974 * df-scan.c (df_rescan_blocks): Likewise.
8975 (df_record_entry_block_defs): Likewise.
8977 * genconditions.c (write_conditions): Guard the definition of
8978 'insn_conditions' with the check on GCC version.
8979 (write_writer): Guard the traversal 'insn_conditions' with
8980 the check on GCC version.
8982 2006-02-07 Richard Guenther <rguenther@suse.de>
8986 2006-01-30 Richard Guenther <rguenther@suse.de>
8988 * gimplify.c (gimplify_target_expr): Handle easy cases
8989 without creating a temporary.
8991 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8993 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8994 use of float in probability computations. Use edge probabilities
8995 in place of statically computed probabilities.
8996 (min_spec_prob): New static variable.
8997 (schedule_insns): Initialize it.
8998 (GET_SRC_PROB): Removed.
8999 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9001 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9004 * config/ia64/unwind-ia64.c: Revert last change.
9005 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9006 (INCOMING_FRAME_SP_OFFSET): Define.
9008 2006-02-06 Roger Sayle <roger@eyesopen.com>
9010 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9012 2006-02-07 Ben Elliston <bje@au.ibm.com>
9014 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9015 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9016 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9017 (ix86_return_in_memory): Handle TDmode.
9018 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9019 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9021 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9023 * reorg.c (dbr_schedule): Use dump_file instead of file.
9025 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9028 * config/ia64/predicates.md (extr_len_operand): New predicate.
9029 * config/ia64/ia64.md (extv): Tighten constraints.
9031 (*tbit_and_2): Ditto.
9032 (*tbit_and_3): Ditto.
9033 (*tbit_or_2): Ditto.
9034 (*tbit_or_3): Ditto.
9038 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9041 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9043 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9045 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9046 loop_optimizer_init and loop_optimizer_finalize
9047 * tree-ssa-sink.c (execute_sink_code): Ditto.
9048 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9049 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9050 tree_ssa_loop_done): Ditto.
9051 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9052 * sched-ebb.c: Include output.h.
9053 (schedule_ebbs): Do not use dump argument.
9054 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9055 * loop.c (loop_dump_stream): Removed.
9056 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9058 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9059 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9060 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9061 loop_iterations, strength_reduce, record_biv, record_giv,
9062 final_giv_value, check_final_value, check_ext_dependent_givs,
9063 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9064 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9065 dump_file instead of loop_dump_stream.
9066 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9068 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9070 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9071 * haifa-sched.c: Include output.h
9072 (schedule_insns, sched_init): Do not use dump argument.
9073 * mode-switching.c (optimize_mode_switching): Ditto.
9074 * modulo-sched.c (stats_file): Removed.
9075 (print_node_sched_params): Do not call argument dump_file.
9076 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9077 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9079 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9081 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9082 rtl_loop_init, rtl_loop_done): Ditto.
9083 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9084 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9086 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9087 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9088 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9089 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9090 * emit-rtl.c (renumber_insns): Ditto.
9091 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9092 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9093 * regclass.c (regclass): Ditto.
9094 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9095 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9096 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9097 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9099 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9100 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9102 * gcse.c (gcse_file, debug_stderr): Removed.
9103 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9104 rest_of_handle_gcse): Do not use dump argument.
9105 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9106 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9107 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9108 compute_code_hoist_vbeinout, compute_code_hoist_data,
9109 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9110 compute_store_table, build_store_vectors, insert_insn_start_bb,
9111 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9112 store_motion): Use dump_file instead of gcse_file.
9113 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9114 * profile.c (profile_dump_file): Removed.
9115 (branch_prob): Use dump_file instead of profile_dump_file.
9116 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9118 * tree-ssa-copy.c (dump_copy_of): Ditto.
9119 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9120 dump file to life_analysis.
9121 * bt-load.c (branch_target_load_optimize): Ditto.
9122 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9124 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9125 regclass, dbr_schedule): Declaration changed.
9126 * sched-int.h (sched_init): Declaration changed.
9127 * tree-profile.c (tree_profile_dump_file): Removed.
9128 (tree_profile_hooks): Removed profile_dump_file hook.
9129 * rtl-profile (rtl_profile_dump_file): Removed.
9130 (rtl_profile_hooks): emoved profile_dump_file hook.
9131 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9133 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9134 * tree-cfg.c (build_tree_cfg): Ditto.
9135 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9136 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9137 Declaration changed.
9138 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9139 life_analysis and schedule_insns.
9140 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9142 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9144 * config/mips/mips.c (mips_reorg): Ditto.
9145 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9148 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9150 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9151 (s390_mangle_fundamental_type): New.
9152 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9155 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9156 (alpha_mangle_fundamental_type): New.
9157 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9160 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9162 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9164 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9165 (sparc_mangle_fundamental_type): New.
9167 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9169 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9170 (s390x-*-linux*): Likewise.
9171 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9172 * config/s390/t-linux: New file.
9174 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9176 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9177 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9179 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9181 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9182 (ANTIC_SAFE_LOADS): New macro.
9183 (find_or_generate_expression): Add prototype.
9184 (set_contains_value): Allow null set for sake of not always having
9185 to allocate ANTIC_SAFE_LOADS.
9186 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9187 Allow COMPONENT_REF too.
9188 (valid_in_set): Allow COMPONENT_REF.
9189 Check ANTIC_SAFE_LOADS too.
9190 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9191 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9193 (can_PRE_operation): Add COMPONENT_REF.
9194 (create_component_ref_by_pieces): New function.
9195 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9196 (insert_aux): Move AGGREGATE_TYPE_P check here.
9197 (compute_avail): Set bb local stmt uids.
9198 (pass_pre): Use TODO_update_ssa_only_virtuals.
9200 2006-02-06 Ben Elliston <bje@au.ibm.com>
9202 * configure.ac: Unconditionally disable decimal float by default.
9203 * configure: Regenerate.
9205 2006-02-06 Ben Elliston <bje@au.ibm.com>
9207 * read-rtl.c (read_name): Terminate reading on EOF.
9209 2006-02-06 Ben Elliston <bje@au.ibm.com>
9211 * dfp.c (decimal_real_arithmetic): Change second argument type
9212 from int to enum tree_code. Do not always return true, but now
9213 return result of any call to decimal_do helper functions.
9214 * dfp.h (decimal_real_arithmetic): Update prototype.
9216 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9218 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9220 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9223 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9226 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9228 * tree-vrp.c (cfg_loops): Removed.
9229 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9230 Use current_loops instead of cfg_loops. Pass flags to
9231 loop_optimizer_init.
9232 * cfgloopmanip.c (fix_loop_structure): Update only available
9234 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9235 loop_optimizer_init.
9236 * modulo-sched.c (build_loops_structure): Removed.
9237 (sms_schedule): Use loop_optimizer_init.
9238 * loop-init.c (loop_optimizer_init): Use flags to determine
9239 which properties of loops to prepare.
9240 (rtl_loop_init): Pass flags to loop_optimizer_init.
9241 * tree-ssa-sink.c (execute_sink_code): Ditto.
9242 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9243 * tree-ssa-pre.c (init_pre): Ditto.
9244 * cfgloop.h (LOOPS_NORMAL): New.
9245 (loop_optimizer_init): Declaration changed.
9247 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9249 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9250 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9252 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9254 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9256 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9257 * pa/t-pa64: Delete quadlib.c rule.
9258 * pa/x-ada: Revert last change.
9259 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9261 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9263 PR rtl-optimization/26087
9264 * rtlanal.c (canonicalize_condition): Do not cross basic block
9267 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9270 * config/ia64/ia64.c: Include debug.h.
9271 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9272 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9273 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9274 (process_epilogue, process_set, process_for_unwind_directive):
9275 Output unwind info only if requested. Add CFA info if requested.
9276 Add new arguments as needed. Adjust callers.
9277 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9279 (DWARF2_FRAME_INFO): Define to zero.
9280 * config/ia64/unwind-ia64.c: Remove code that compensated for
9281 the CFA offset error fixed above.
9282 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9283 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9284 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9285 -funwind-tables and -fexceptions to enable frame info.
9286 (dwarf2out_frame_init): Define initial CFA even if
9287 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9288 DWARF2_UNWIND_INFO is nonzero, not just defined.
9289 (dwarf2out_frame_finish): Output non-EH call frame info only
9290 if DWARF2_FRAME_INFO is nonzero.
9291 (convert_cfa_to_loc_list,
9292 compute_frame_pointer_to_cfa_displacement): Define even if
9293 unwind info is not supported.
9294 (gen_subprogram_die): Use the above unconditionally. Remove
9295 legacy alternate code.
9296 * toplev.c (compile_file): Compile in call to
9297 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9298 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9300 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9301 Jakub Jelinek <jakub@redhat.com>
9303 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9304 IBM extended float format long double as "g" on powerpc*-linux.
9306 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9309 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9310 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9312 2006-02-03 Jason Merrill <jason@redhat.com>
9315 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9318 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9319 on the return slot if it's an NRV.
9321 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9323 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9324 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9325 rewrite_use): Do not handle USE_OUTER.
9326 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9327 add_iv_outer_candidates, may_replace_final_value,
9328 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9329 (find_interesting_uses_op): Functionality of
9330 find_interesting_uses_outer_or_nonlin moved here.
9331 (find_interesting_uses_outside): Use find_interesting_uses_op.
9333 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9336 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9338 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9339 Ulrich Weigand <uweigand@de.ibm.com>
9342 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9343 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9344 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9345 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9347 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9348 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9349 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9350 Define secondary reloads for TFmode moves.
9351 (constant_modes): Add TFmode.
9352 (NR_C_MODES): Set to 8.
9353 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9355 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9356 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9357 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9358 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9359 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9360 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9361 (FPR mode macro): Add TFmode.
9362 (DSF mode macro): New.
9363 (<de>, <dee> mode attributes): Removed.
9364 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9365 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9366 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9367 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9368 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9369 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9370 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9371 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9372 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9373 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9374 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9375 "*negabs<mode>2", "sqrt<mode>2"):
9376 Changed <de> to <xde>. R constraint replaced by <Rf>.
9377 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9379 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9380 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9381 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9383 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9384 "extenddftf2", "extendsftf2"): New expanders.
9385 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9386 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9387 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9388 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9390 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9391 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9392 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9393 __floatditf): Add a GCC_4.1.0 symbol version tag.
9394 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9397 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9400 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9401 Use targetm.binds_local_p instead of TREE_PUBLIC.
9403 2006-02-02 Roger Sayle <roger@eyesopen.com>
9405 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9406 on INTEGER_TYPEs to indicate that it denotes a character type.
9407 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9408 signed_char_type_node, unsigned_char_type_node and char_type_node.
9409 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9410 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9411 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9413 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9414 Daniel Berlin <dberlin@dberlin.org>
9416 * tree-tailcall.c (arg_needs_copy_p): New function.
9417 (eliminate_tail_call): Use arg_needs_copy_p.
9418 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9419 (add_virtual_phis): New function.
9421 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9423 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9424 #ignore instead of #scratch for %g7 .register directive.
9426 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9428 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9431 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9433 * flow.c (calculate_global_regs_live): Assert that there aren't any
9436 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9438 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9440 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9441 bsi_after_labels iterator.
9442 * tree-if-conv.c (find_phi_replacement_condition,
9443 replace_phi_with_cond_modify_expr): Likewise.
9444 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9445 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9447 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9449 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9451 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9454 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9455 array after growing it.
9457 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9460 * fold-const.c (fold_checksum_tree): Change type of buf.
9462 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9464 * reload.c (push_secondary_reload): Initialize t_icode.
9466 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9468 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9469 -msoft-float -mlong-double-128 only issue a warning, but don't
9470 swich to DFmode long double.
9472 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9474 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9475 has a constant equivalent, iterate over equivalents for arg0,
9476 calling simplify_relational_operation and if there's a result
9477 cheaper than X, apply fold_rtx and return the result.
9479 2006-02-01 Jan Hubicka <jh@suse.cz>
9481 * opts.c (no_unit_at_a_time_default): New global variable.
9482 (decode_options): Use it.
9483 * opts.h (no_unit_at_a_time_default): Declare.
9485 2006-02-01 Paul Brook <paul@codesourcery.com>
9487 * function.c (assign_parm_setup_reg): Use function argument promotion
9489 * expr.c (expand_expr_real_1): Use function argument promotion rules
9492 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9494 * gcc.c (process_command): Change j to 'unsigned int'.
9496 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9499 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9500 Use the corrected index for the character
9501 out of the string constant.
9503 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9505 * mode-switching.c (optimize_mode_switching): Fix size
9506 allocated for bb_info[n_entities].
9508 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9510 * gcc.c (main): Correct type that is allocated for
9511 explicit_link_files.
9513 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9515 * config/s390/s390.c (init_alignment_context): Set
9516 ALIAS_SET_MEMORY_BARRIER on the MEM.
9517 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9519 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9522 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9524 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9527 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9529 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9530 * regrename.c: Ditto.
9531 * tree-ssa-loop-im.c: Ditto.
9532 * tree-dump.c: Ditto.
9533 * tree-complex.c: Ditto.
9534 * genrecog.c: Ditto.
9535 * tree-ssa-threadupdate.c: Ditto.
9537 * java/class.c: Ditto.
9538 * java/jcf-parse.c: Ditto.
9539 * java/resource.c: Ditto.
9540 * java/except.c: Ditto.
9541 * java/jvspec.c: Ditto.
9542 * java/jcf-write.c: Ditto.
9543 * java/jcf-path.c: Ditto.
9544 * java/gjavah.c: Ditto.
9545 * java/zextract.c: Ditto.
9546 * java/jcf-io.c: Ditto.
9547 * java/jcf.h: Ditto.
9548 * java/buffer.c: Ditto.
9549 * java/lang.c: Ditto.
9550 * java/parse-scan.y: Ditto.
9551 * java/lex.c: Ditto.
9552 * java/lex.h: Ditto.
9553 * cfgloopmanip.c: Ditto.
9554 * postreload-gcse.c: Ditto.
9555 * tree-ssa-loop-manip.c: Ditto.
9556 * postreload.c: Ditto.
9557 * tree-ssa-loop-ch.c: Ditto.
9561 * diagnostic.c: Ditto.
9563 * genoutput.c: Ditto.
9565 * cfghooks.c: Ditto.
9566 * cfgloopanal.c: Ditto.
9567 * objc/objc-act.c: Ditto.
9569 * genextract.c: Ditto.
9570 * genautomata.c: Ditto.
9571 * pretty-print.c: Ditto.
9573 * cgraphunit.c: Ditto.
9576 * haifa-sched.c: Ditto.
9577 * dominance.c: Ditto.
9579 * tree-ssa-loop-ivopts.c: Ditto.
9581 * mode-switching.c: Ditto.
9582 * modulo-sched.c: Ditto.
9584 * ipa-pure-const.c: Ditto.
9586 * fix-header.c: Ditto.
9588 * tree-stdarg.c: Ditto.
9589 * ipa-utils.c: Ditto.
9590 * loop-init.c: Ditto.
9591 * ipa-inline.c: Ditto.
9594 * alloc-pool.c: Ditto.
9595 * dwarf2out.c: Ditto.
9597 * genattrtab.c: Ditto.
9598 * tree-ssa-loop-ivcanon.c: Ditto.
9602 * fortran/gfortranspec.c: Ditto.
9604 * local-alloc.c: Ditto.
9605 * langhooks.c: Ditto.
9606 * function.c: Ditto.
9607 * tree-vectorizer.c: Ditto.
9609 * ipa-type-escape.c: Ditto.
9611 * tree-if-conv.c: Ditto.
9614 * tree-data-ref.c: Ditto.
9615 * loop-unroll.c: Ditto.
9616 * treelang/treetree.c: Ditto.
9619 * ggc-common.c: Ditto.
9621 * coverage.c: Ditto.
9623 * tree-cfgcleanup.c: Ditto.
9624 * tree-ssa-pre.c: Ditto.
9625 * cfgcleanup.c: Ditto.
9626 * loop-invariant.c: Ditto.
9628 * ipa-prop.c: Ditto.
9629 * print-tree.c: Ditto.
9630 * conflict.c: Ditto.
9631 * ggc-page.c: Ditto.
9632 * sched-deps.c: Ditto.
9633 * regclass.c: Ditto.
9634 * tree-object-size.c: Ditto.
9636 * bb-reorder.c: Ditto.
9637 * resource.c: Ditto.
9638 * var-tracking.c: Ditto.
9640 * df-problems.c: Ditto.
9641 * reg-stack.c: Ditto.
9644 * sched-rgn.c: Ditto.
9645 * tree-ssa-structalias.c: Ditto.
9646 * tree-ssa-reassoc.c: Ditto.
9647 * config/darwin-c.c: Ditto.
9648 * config/darwin.c: Ditto.
9649 * config/arm/arm.c: Ditto.
9651 * collect2.c: Ditto.
9654 2006-01-31 Nicolas Pitre <nico@cam.org>
9656 * arm.md (smaxsi3): Make aware of smax_m1.
9659 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9661 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9663 2006-01-31 Richard Guenther <rguenther@suse.de>
9665 * doc/invoke.texi (-msselibm): Document.
9666 * target.h (expand_library_builtin): New target hook.
9667 * builtins.c (expand_builtin): Use expand_library_builtin.
9668 (default_expand_library_builtin): New function.
9669 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9670 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9671 (link_gcc_math_spec): Declare.
9672 (static_specs): Add link_gcc_math_spec.
9673 * expr.h (default_expand_library_builtin): Declare.
9674 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9675 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9676 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9677 * config/i386/i386.opt (msselibm): New target option.
9678 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9679 (ix86_init_sse_abi_builtins): New function.
9680 (ix86_expand_library_builtin): Likewise.
9681 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9682 (override_options): Handle error conditions wrt -msselibm.
9683 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9684 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9685 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9688 2006-01-31 Richard Guenther <rguenther@suse.de>
9689 Paolo Bonzini <bonzini@gnu.org>
9691 * doc/install.texi (--disable-libgcc-math): Document.
9693 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9695 * expr.h (expand_normal): new inline function.
9696 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9698 * dwarf2out.c: use it.
9703 * config/sparc/sparc.c: use it.
9704 * config/i386/i386.c: use it.
9705 * config/rs6000/rs6000.c: use it.
9706 * config/arm/arm.c: use it.
9707 * config/mips/mips.c: use it.
9708 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9710 2006-01-30 Roger Sayle <roger@eyesopen.com>
9712 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9713 argv to the appropriate type.
9715 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9717 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9720 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9723 * config/s390/s390.c (struct machine_function): New flag
9724 decomposed_literal_pool_addresses_ok_p.
9725 (s390_reorg): Set it before final stage of literal pool transforms.
9726 (s390_decompose_address): Only accept displacements of the form
9727 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9729 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9731 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9732 the comparison routine return.
9734 2006-01-30 Michael Matz <matz@suse.de>
9736 * global.c (find_reg): Only evict for global regs.
9737 Take n_refs into account and dump more info.
9739 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9742 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9743 (pragma_trap, pragma_nosave_low_regs): Likewise.
9744 (current_function_anonymous_args): Likewise.
9745 (sh_deferred_function_attributes): New variable.
9746 (sh_deferred_function_attributes_tail): Likewise.
9747 (print_operand): For '@', look up trap_exit attribute.
9748 (calc_live_regs): Look up trapa_handler attribute. For trapa
9749 handlers, save/restore fpscr, but don't do any other
9750 interrupt-specific saves.
9751 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9752 Fix check for partially saved registers to check for SHmedia.
9753 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9754 (sh_output_function_epilogue): Don't clear any of the removed
9756 (sh_insert_attributes): Don't check pragma_interrupt.
9757 Insert deferred attributes. Check that interrupt attribute is
9758 present for other attributes that require its presence.
9759 (sh_attribute_table): Add new attributes trapa_handler and
9761 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9762 Don't check for pragma_interrupt. Don't store argument.
9763 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9764 (sh_deferred_function_attributes): Declare.
9765 (sh_deferred_function_attributes_tail): Likewise.
9766 * sh.md (sp_switch_1): Add operand. Change generator caller.
9767 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9768 (*return_i): Don't use when trap_exit attribute is in effect.
9769 (*return_trapa): New insn pattern.
9771 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9772 setting c_target_objs and cxx_target_objs.
9773 * t-sh: Add rule for sh-c.o.
9775 2006-01-30 Richard Guenther <rguenther@suse.de>
9778 * gimplify.c (gimplify_target_expr): Handle easy cases
9779 without creating a temporary.
9781 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9783 * vec.h (safe_grow): Remove duplicated line.
9785 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9788 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9789 (expand_omp): ... here.
9790 (expand_omp_parallel): Only remove barriers for combined
9791 parallel+workshare constructs.
9793 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9797 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9798 * tree.c (build_qualified_type): Chain the new type to the original
9799 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9800 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9801 (build_pointer_type_for_mode): Only return unqualified types.
9802 (build_reference_type_for_mode): Likewise.
9804 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9806 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9807 * Makefile.in (CXX_COMPAT_WARN): Define.
9808 * configure: Regenerate.
9810 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9813 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9816 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9818 * toplev.c: Fix thinko.
9820 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9821 Marcin Dalecki <martin@dalecki.de>
9823 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9824 (push_srcloc): Use XNEW.
9825 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9827 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9829 * df-core.c (df_set_blocks): Deleted all variable.
9831 2006-01-28 Ian Lance Taylor <ian@airs.com>
9833 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9834 cgraph_output_pending_asms.
9836 2006-01-28 Zack Weinberg <zackw@panix.com>
9838 * c.opt: Add -W(no-)overlength-strings.
9839 * doc/invoke.texi: Document it.
9840 * c-opts.c (c_common_handle_option): -pedantic implies
9841 -Woverlength-strings, if not explicitly disabled already.
9842 (c_common_post_options): -Woverlength-strings defaults to off, and
9843 is always off for C++.
9844 * c-common.c (fix_string_type): Issue warning about strings longer
9845 than is portable only if warn_overlength_strings. Rearrange code
9846 a little for clarity.
9847 * configure.in: Check for -Wno-overlength-strings as well before
9848 enabling -pedantic in stage 1.
9849 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9850 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9852 * genconditions.c (write_header, write_one_condition)
9853 (write_conditions, write_writer): Consolidate very long strings
9854 that were broken up to fit in C89 portable limit. Don't use
9855 printf when fputs will do.
9857 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9859 * combine.c (simplify_comparison <AND>): Check
9860 TRULY_NOOP_TRUNCATION before start using a subreg.
9862 * config/mips/mips.md (*branch_zero<mode>,
9863 *branch_zero<mode>_inverted, *branch_equality<mode>,
9864 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9865 Remove mode check from comparisons.
9867 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9869 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9871 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9873 * expmed.c (const_mult_add_overflow_p): Remove.
9874 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9876 * recog.c (validate_replace_rtx_subexp): Remove.
9877 * recog.h: Remove the prototype for
9878 validate_replace_rtx_subexp.
9880 * integrate.h: Remove the prototype for
9881 copy_decl_for_inlining.
9882 * rtl.h: Remove the prototype for mark_constant_function.
9883 * tree-vectorizer.h: Remove the prototype for
9884 vect_strip_conversion.
9886 * modulo-sched.c (create_partial_schedule,
9887 free_partial_schedule, reset_partial_schedule): Make them
9890 * hooks.c (hook_bool_rtx_int_false): Remove.
9891 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9893 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9895 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9896 and -mlong-double-128 are incompatible.
9897 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9898 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9899 (TARGET_LIBGCC2_CFLAGS): Define.
9900 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9901 (TARGET_LIBGCC2_CFLAGS): Same.
9902 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9904 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9907 * c-typeck.c (build_binary_op): Perform implicit casts of
9908 operands before shortening them.
9910 * cfgloopmanip.c (split_loop_bb): Remove.
9911 * cfgloop.h: Remove the prototype for split_loop_bb.
9913 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9914 * cfgloop.h: Remove the prototype for
9915 flow_loop_outside_edge_p.
9917 * emit-rtl.c (init_virtual_regs): Make it static.
9918 * function.h: Remove the prototype for init_virtual_regs.
9920 * recog.c (peephole2_optimize): Make it static.
9921 * recog.h: Remove the prototype for peephole2_optimize.
9923 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9925 * df-scan.c (df_record_entry_block_defs): Check if
9926 INCOMING_RETURN_ADDR_RTX is defined.
9928 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9929 Kenneth Zadeck <zadeck@naturalbridge.com>
9931 PR rtl-optimization/24762
9932 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9933 * targhooks.c (hook_void_bitmap): New hook prototype.
9934 * targhoohs.h (hook_void_bitmap): Ditto.
9935 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9936 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9937 * target.h (live_on_entry): New function pointer.
9938 * df-scan.c (df_all_hard_regs): Removed.
9939 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9940 (df_scan_free_internal): Added df->entry_block_defs.
9941 (df_scan_alloc): Ditto.
9942 (df_scan_dump): Ditto.
9943 (df_uses_record): Plumbed flag field properly thru calls.
9944 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9945 This part fixes PR24762.
9946 (df_bb_refs_record): Added code to make the frame and arg
9947 pointers live in EH blocks.
9948 (df_refs_record): Added call to df_record_entry_block_defs.
9949 (df_record_entry_block_defs): New function.
9950 * df-core.c: Added comments to describe new artifical defs.
9951 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9952 (entry_block_defs): New field in struct df.
9953 (df_all_hard_regs): Deleted.
9954 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9955 * df-problems.c (df_ru_bb_local_compute_process_def):
9956 Added code to handle artifical defs in the entry to a function.
9957 (df_ru_bb_local_compute): Ditto.
9958 (df_rd_bb_local_compute_process_def): Ditto.
9959 (df_rd_bb_local_compute): Ditto.
9960 (df_lr_bb_local_compute): Ditto.
9961 (df_ur_bb_local_compute): Ditto.
9962 (df_urec_bb_local_compute): Ditto.
9963 (df_chain_create_bb): Ditto.
9964 (df_ur_local_finalize): Removed entry.
9965 (df_urec_init): Ditto.
9966 (df_urec_local_finalize): Ditto.
9967 (df_ri_bb_compute): Added detection of last use of pseudos.
9968 * Makefile.in (df-scan.o): Updated dependencies.
9969 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9970 * config/mips/mips.c (mips_set_live_on_entry): Added.
9971 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9973 * dce.c (marked_insn_p): Added code to handle artifical defs.
9975 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9977 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9979 (_mm_cvtsi128_si64): Likewise.
9980 (_mm_cvtsd_si64): Likewise.
9981 (_mm_cvttsd_si64): Likewise.
9982 (_mm_cvtsi64_sd): Likewise.
9983 (_mm_cvtsi64_si128): Likewise.
9984 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9985 (_mm_cvtsi64_m64): Likewise.
9986 (_m_to_int64): Likewise.
9987 (_mm_cvtm64_si64): Likewise.
9988 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9989 (_mm_cvttss_si64): Likewise.
9990 (_mm_cvtsi64_ss): Likewise.
9991 (_mm_cvtss_f32): Likewise.
9993 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9995 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9996 for pragma redefine_extname.
9998 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10001 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10002 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10003 -mno-minimal-toc to previous content.
10004 (bispecs): Remove goal.
10005 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10006 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10007 compatibility aliases on powerpc-*-*gnu*.
10008 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10009 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10010 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10011 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10012 (ldblspecs): New goal.
10013 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10014 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10016 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10017 L_sf_to_tf or L_df_to_tf is defined.
10019 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10020 Alan Modra <amodra@bigpond.net.au>
10023 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10024 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10025 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10026 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10027 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10028 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10029 (rs6000_override_options): Initialize rs6000_ieeequad.
10030 Initialize TFmode format to ibm_extended_format if not
10032 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10034 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10035 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10036 (function_arg_advance): IBM long double passed in two FPRs, not
10038 (function_arg): IBM long double passed in FPRs.
10039 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10040 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10041 Only multireg GPR aligned.
10042 (rs6000_init_libfuncs): Enable IBM long double functions if not
10044 (rs6000_generate_compare): Use IBM long double compare if not
10046 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10047 (TARGET_IEEEQUAD): Define.
10048 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10049 not TARGET_IEEEQUAD.
10050 * config/rs6000/rs6000.md: Enable TFmode patterns if
10052 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10053 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10054 and -mlong-double-128 are incompatible.
10055 * doc/invoke.texi (-mabi): Collect options together. Add
10056 ibmlongdouble and ieeelongdouble.
10058 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10060 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10062 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10063 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10064 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10065 * rtl.h (rtunion_def): Remove rt_ptr.
10067 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10068 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10069 * config/i386/winnt.c (i386_pe_mark_dllexport)
10070 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10072 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10074 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10076 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10080 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10081 pthread_key_delete. From John David Anglin. gthrw-ify
10082 pthread_getunique_np only if it it's not a macro. Delete
10084 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10085 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10086 __gthread_objc_condition_signal, __gthread_key_delete): Add
10087 "__attribute__ ((__unused__))" to unused arguments.
10088 (__gthread_recursive_mutex_init_function): Add missing return.
10089 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10090 gthr-posix95.h: Use macro-based approach for name redirection
10091 on targets missing weakref.
10093 2006-01-26 Zack Weinberg <zackw@panix.com>
10095 * genconditions.c (write_header): In generated code, #ifdef out
10096 all includes and fake declarations, except includes of bconfig.h
10097 and system.h, unless GCC_VERSION >= 3001. Do not include
10098 gensupport.h in any case.
10099 (write_conditions): Generate a definition of struct c_test. Add
10100 a comment to the generated #endif.
10101 (write_one_condition): Escape backslashes in string too.
10102 (write_writer): Generated code must escape backslashes and quote
10103 marks (but not newlines) in the strings it writes.
10104 * Makefile.in (build/gencondmd.o): Update dependencies.
10106 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10109 * Makefile.in (insn-automata.o): Add header file dependencies.
10110 * genautomata.c: Add includes.
10112 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10115 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10117 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10119 * configure.ac: Expect target tools paths to be passed from the toplevel
10120 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10122 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10124 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10127 * c.opt (Wpointer-sign): Init to -1.
10128 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10129 OPT_pedantic, to 0 otherwise.
10130 * doc/invoke.texi: Update.
10132 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10134 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10135 constants provided by 80387 instructions in the destination mode.
10137 2006-01-26 Richard Guenther <rguenther@suse.de>
10138 Andrew Pinski <pinskia@physics.uc.edu>
10141 partial PR tree-opt/17064
10142 * tree-ssa-structalias.c (intra_create_variable_infos):
10143 Create heap variables for incoming parameters if
10144 flag_argument_noalias > 1.
10145 (find_what_p_points_to): Look through default defs of
10148 2006-01-26 Jeff Law <law@redhat.com>
10151 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10152 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10153 within the VR_RANGE, use the VR_RANGE as the result, not the
10155 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10156 bounds for the type.
10158 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10160 * tree-ssa-alias.c (maybe_create_global_var): Change
10161 subvar walking to an assertion that we don't have subvar'd variables.
10163 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10166 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10167 Use a new variable, inner. PARM_DECLs are always non-weak.
10169 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10171 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10172 --disable-checking.
10174 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10176 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10178 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10180 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10181 (smax_insn, smin_insn, smax_0, smin_0): New.
10183 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10186 * config/cris/cris.c (cris_order_for_addsi3): New function.
10187 * config/cris/cris-protos.h: Prototype it.
10188 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10189 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10190 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10191 (split for "op.S1 [rx=rx+i],ry (swapped)")
10192 (split for "op(s|u).S1 [rx=rx+i],ry")
10193 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10194 Apply cris_order_for_addsi3 when generating addsi3 insns.
10196 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10198 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10199 (TREE_BLOCK): Add call to EXPR_CHECK.
10201 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10204 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10205 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10206 (dump_omp_clauses): ... here.
10207 (dump_generic_node): Handle OMP_CLAUSE.
10208 * tree.c (omp_clause_num_ops): New.
10209 (omp_clause_code_name): New.
10210 (tree_code_size): Handle OMP_CLAUSE.
10211 (tree_size): Likewise.
10212 (make_node): Document handling of OMP_CLAUSE.
10213 (tree_node_structure): Handle OMP_CLAUSE.
10214 (omp_clause_check_failed): New.
10215 (omp_clause_range_check_failed): New.
10216 (omp_clause_operand_check_failed): New.
10217 (build_omp_clause): New.
10218 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10219 * tree.h (enum omp_clause_code): Declare.
10220 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10221 (OMP_CLAUSE_RANGE_CHECK): Define.
10222 (OMP_CLAUSE_ELT_CHECK): Define.
10223 (omp_clause_check_failed): Declare.
10224 (omp_clause_operand_check_failed): Declare.
10225 (omp_clause_range_check_failed): Declare.
10226 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10227 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10228 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10229 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10230 (OMP_CLAUSE_IF_EXPR): Likewise.
10231 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10232 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10233 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10234 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10235 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10236 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10237 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10238 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10239 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10240 (OMP_CLAUSE_CODE): Define.
10241 (OMP_CLAUSE_SET_CODE): Define.
10242 (OMP_CLAUSE_CODE): Define.
10243 (OMP_CLAUSE_OPERAND): Define.
10244 (struct tree_omp_clause): Declare.
10245 (union tree_node): Add field 'omp_clause'.
10246 * treestruct.def (TS_OMP_CLAUSE): Define.
10247 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10248 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10249 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10250 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10251 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10252 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10253 (OMP_CLAUSE): Define.
10254 * print-tree.c (print_node): Handle OMP_CLAUSE.
10255 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10256 * c-typeck.c: Likewise.
10257 * gimplify.c: Likewise.
10258 * c-omp.c: Likewise.
10259 * tree-nested.c: Likewise.
10260 * tree-inline.c: Likewise.
10261 * c-parser.c: Likewise.
10262 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10265 2006-01-25 Roger Sayle <roger@eyesopen.com>
10267 PR rtl-optimization/25703
10268 * combine.c (try_combine): Handle zero_extract and strict_low_part
10269 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10271 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10273 * global.c: Fix comment typos.
10275 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10278 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10279 Use output_addr_const instead of assemble_name.
10281 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10283 * Makefile.in (sched-vis.o): Update dependencies.
10284 * haifa-sched.c (sched_finish): Clear current_sched_info.
10285 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10286 (dump_flow_info): Call it.
10287 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10289 * basic-block.h (dump_bb_info): Declare.
10290 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10291 option, and apply options only for dump files whose TDF_RTL,
10292 TDF_TREE, or TDF_IPA bits match.
10293 * rtl.h: Declare new functions exported from sched-vis.c.
10294 * sched-vis.c: Enable also if scheduling is not used.
10295 (print_value): Print the mode of registers if not inside scheduling.
10296 (print_insn): Make it work outside the scheduler. Beautify the output
10298 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10300 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10302 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10303 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10304 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10305 depending on the value of CONSTANT_POOL_ADDRESS_P.
10306 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10308 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10309 rather than SYMBOL_REF_DECL.
10310 (rtx_constant_pool): Remove const_rtx_sym_htab.
10311 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10312 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10313 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10314 Remove handling of const_rtx_sym_htab.
10315 (find_pool_constant): Delete.
10316 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10317 rather than find_pool_constant.
10318 (get_pool_constant_for_function): Delete.
10319 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10320 find_pool_constant.
10321 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10322 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10323 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10324 (SYMBOL_REF_CONSTANT): New macro.
10325 (get_pool_constant_for_function): Delete.
10326 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10327 rather than SYMBOL_REF_DECL.
10328 (i386_pe_mark_dllimport): Likewise.
10329 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10330 rather than SYMBOL_REF_DECL.
10331 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10332 (machopic_indirect_call_target): Likewise.
10334 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10336 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10338 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10340 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10342 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10344 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10346 2006-01-24 David Daney <ddaney@avtrex.com>
10349 * configure.ac (enable_tls): New enable option.
10350 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10351 * configure: Regenerate.
10352 * doc/install.texi (--enable-tls): Document new option.
10353 (--disable-tls): Ditto.
10355 2006-01-24 Richard Henderson <rth@redehat.com>
10357 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10358 * alias.c (true_dependence): Respect it.
10359 (canon_true_dependence, write_dependence_p): Likewise.
10360 * builtins.c (get_builtin_sync_mem): Set it.
10362 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10364 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10367 2006-01-24 DJ Delorie <dj@redhat.com>
10369 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10370 for storing constants in single-bit bitfields.
10372 2006-01-25 Ben Elliston <bje@au.ibm.com>
10374 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10376 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10379 * tree-ssa-pre.c (phi_translate): Return NULL
10380 for AGGREGATE_TYPE's.
10382 2006-01-24 Zack Weinberg <zackw@panix.com>
10384 * genautomata.c (process_state_for_insn_equiv_partition):
10385 Use xcalloc for insn_arcs_array.
10386 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10387 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10389 2006-01-24 Richard Henderson <rth@redhat.com>
10391 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10392 update all callers.
10394 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10396 PR rtl-optimization/25890
10397 PR rtl-optimization/25905
10398 * combine.c (expand_compound_operation, expand_field_assignment):
10399 Fail if the bitfield's final position is out of bounds.
10401 2006-01-24 Ian Lance Taylor <ian@airs.com>
10403 PR middle-end/25930
10404 * cgraphunit.c (cgraph_output_in_order): Don't clear
10405 cgraph_asm_nodes until after asm strings have been output.
10407 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10409 * fix-header.c (read_scan_file): Add new parameter imultilib when
10410 calling register_include_chains.
10412 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10414 * omp-low.c: Update documentation.
10416 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10417 Daniel Berlin <dberlin@dberlin.org>
10421 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10422 return from the function.
10424 2006-01-22 Zack Weinberg <zackw@panix.com>
10426 * rtl.def (match_code): Add second argument.
10427 * genpreds.c (write_extract_subexp): New function.
10428 (write_match_code): Add path argument. Use write_extract_subexp.
10429 (write_predicate_expr): Pass path to write_match_code.
10430 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10431 not perform a mode test.
10432 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10433 a subexpression does not constrain the top-level code set.
10434 * read-rtl.c (read_rtx_variadic): New function.
10435 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10436 * doc/md.texi: Document new notation.
10437 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10438 (cmpsi_operand): ... here, using new notation.
10440 2006-01-22 Zack Weinberg <zackw@panix.com>
10442 * varray.c: Remove GENERATOR_FILE #ifdefs.
10444 2006-01-22 Zack Weinberg <zackw@panix.com>
10446 * genautomata.c (output_reserved_units_table): Emit nothing if
10447 description->query_units_num is zero. Remove extra blank line.
10448 (output_cpu_unit_reservation_p): Short circuit
10449 if description->query_units_num is zero.
10451 2006-01-22 Zack Weinberg <zackw@panix.com>
10453 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10454 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10455 nor any of the random handful of variables that used to be necessary
10456 when this program was linked with rtlanal.o. Prune set of forward
10457 function declarations.
10458 (struct attr_desc): Remove static_p field.
10459 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10460 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10461 (attr_string): Do not read the character one past the length of
10463 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10464 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10465 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10466 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10467 (make_automaton_attrs): New.
10468 (main): Do not call into genautomata. Call local gen_bypass
10469 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10470 Remove special case for insn_alts.
10471 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10472 varray.h (leftover from previous change). Prune set of forward
10473 function declarations. Remove state_alts fields from all
10474 structures. Remove state_alts_table from struct automaton.
10475 Make everything except main static. Do not maintain num_dfa_decls.
10476 Do not maintain state_alts fields of various structures.
10477 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10478 (add_arc): Remove state_alts argument. All callers updated.
10479 (output_reserved_units_table): Emit #ifdef here...
10480 (output_tables): ...not here. Don't generate state_alts tables.
10481 (expand_automata): Don't generate attributes.
10482 (write_automata): Don't generate state_alts functions.
10483 (main): New function.
10484 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10485 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10486 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10487 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10488 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10489 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10490 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10491 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10493 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10494 * genattrtab.h: Delete file.
10495 * Makefile.in (OBJS-common): Add insn-automata.o.
10496 (insn-automata.o): New rule.
10497 (simple_generated_c): Add insn-automata.c.
10498 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10499 (genprogmd): Add automata.
10500 (build/genattrtab): Needs no extra objects nor libraries.
10501 (build/genautomata): Needs build/vec.o and -lm.
10503 2006-01-22 Zack Weinberg <zackw@panix.com>
10505 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10506 (output_dfa_max_issue_rate, locked_states_num): Delete.
10507 (struct automaton): Add locked_states field.
10508 (output_dead_lock_vect): Save number of locked states in
10509 automaton->locked_states. If it is zero, don't print anything.
10510 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10511 (output_internal_dead_lock_func): Only test the dead_lock_vect
10512 for automata that have locked states.
10513 (output_statistics): Always print the number of locked states for
10514 each automaton. Calculate total number of locked states here.
10515 (write_automata): Don't call output_dfa_max_issue_rate.
10516 * genattrtab.c: Define length_unit_log as a const variable.
10517 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10518 max_insn_queue_index const.
10519 * final.c (length_unit_log): Declare const.
10520 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10522 2006-01-22 Zack Weinberg <zackw@panix.com>
10524 * genautomata.c: Include vec.h, not varray.h.
10525 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10526 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10527 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10528 VEC_* macros operating on appropriately typed vectors, or to
10529 malloced arrays when the size is known in advance. Const-ify
10530 many char* variables and function arguments. No functional changes.
10531 * Makefile.in (build/varray.o): Delete rule.
10532 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10533 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10535 2006-01-22 Zack Weinberg <zackw@panix.com>
10537 * gensupport.c: Define get_insn_name and record_insn_name here.
10538 (read_md_rtx): Call record_insn_name as appropriate.
10539 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10540 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10541 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10543 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10544 (BUILD_VARRAY): Delete.
10545 (genprognormal): Rename genprogmd. Fold in all programs from
10546 genprognoprint; also attrtab.
10547 (build/genattrtab): Just mention genautomata.o and varray.o.
10548 Reorganize a bit, add comments to make the categories clearer.
10550 2006-01-22 Zack Weinberg <zackw@panix.com>
10552 * genconditions.c (condition_table, add_condition): Delete.
10553 (write_conditions): Don't emit n_insn_conditions nor
10554 insn_elision_unavailable. Issue the gcc version #ifdef here,
10555 inside the table, with no #else clause ...
10556 (write_header): ...not here.
10557 (write_writer): New function.
10558 (main): Don't initialize condition_table. Use add_c_test.
10560 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10561 files on the command line.
10562 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10563 Return -1 if there is no entry in the table, don't abort.
10564 (add_c_test, traverse_c_tests): New functions.
10565 * gensupport.h (insn_elision_unavailable, insn_conditions)
10566 (n_insn_conditions): Delete declarations.
10567 (add_c_test, traverse_c_tests): Declare.
10568 * read-rtl.c: Include gensupport.h.
10569 (read_conditions): New function.
10570 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10571 (read_rtx_1): If we get EOF when we were looking for an initial
10572 open paren, return 0. Call read_conditions when appropriate.
10573 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10574 dummy-conditions.o. Eliminate references to insn-conditions.o,
10575 or change them to build/gencondmd.o, as appropriate. Remove
10576 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10577 from $(simple_generated_c). For all files remaining in those
10578 two lists, add insn-conditions.md to the generator command line.
10579 Give insn-constants.h/s-constants their own rules. Add rules
10580 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10581 (build/read-rtl.o): Depend on gensupport.h.
10582 (genprognormal): Include preds.
10583 (genprogearly): Rename genprognoprint; only difference is now that
10584 they don't link with $(BUILD_PRINT).
10585 * dummy-conditions.c: Delete.
10587 2006-01-22 Zack Weinberg <zackw@panix.com>
10589 * genextract.c: Don't include insn-config.h. Do include vec.h.
10590 Declare vectors of int, char, and locstr.
10591 (locstr): New typedef.
10592 (struct extraction): Make all array fields into bare pointers.
10593 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10594 (insn_code_number): Delete.
10595 (accum_extract): New struct.
10596 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10597 (gen_insn): Take insn_code_number as an argument. Use an
10598 accum_extract structure instead of loading data directly into
10599 a struct extraction, and having to know how big it might get.
10600 (walk_rtx): Operate entirely on an accum_extract structure.
10601 (print_path): Avoid unnecessary use of printf.
10602 (print_header): New function, split out of main. Distinguish
10603 more carefully between an unrecognizable insn and an insn that
10604 has the code number of a define_expand.
10605 (main): Pass insn_code_number to gen_insn. Call print_header
10606 only after parsing. Avoid unnecessary use of printf.
10607 * Makefile.in (build/vec.o): New rule.
10608 (build/genextract): Depend on build/vec.o.
10609 (build/genextract.o): Don't depend on insn-config.h.
10611 2006-01-22 Zack Weinberg <zackw@panix.com>
10613 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10614 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10615 practical. Eliminate per-generator-program link rules.
10617 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10619 PR middle-end/24437
10620 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10621 with a call expr to ...
10622 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10624 2006-01-23 Richard Guenther <rguenther@suse.de>
10626 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10627 before make_edge with conditional EDGE_TRUE_VALUE.
10629 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10630 Jan Hubicka <jh@suse.cz>
10631 Richard Guenther <rguenther@suse.de>
10633 PR rtl-optimization/25654
10634 * cfgexpand.c (aggregate_contains_union_type): New function.
10635 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10636 for structure variables that contain a union type.
10638 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10640 * gengtype.c (new_structure): Return the structure.
10641 (create_option): Add an extra "next" argument.
10642 (create_field): New function.
10643 (adjust_field_rtx_def): Use create_option and create_field.
10644 Remove a now-unnecessary call to find_structure.
10645 (adjust_field_tree_def): Likewise.
10646 (note_yacc_type): Remove an unnecessary call to find_structure.
10647 * gengtype.h (new_structure): Return the structure.
10648 (create_option): Add an extra argument.
10649 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10650 (option): Adjust calls to create_option.
10652 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10654 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10656 2006-01-22 Paul Brook <paul@codesourcery.com>
10657 Peter Barada <peter@the-baradas.com>
10659 * config/m68k/m68k.md: Add Coldfire FPU support.
10660 Define FP mode macro and associated attributes.
10661 Use it for float mode patterns.
10662 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10663 (LIBCALL_VALUE): Use m68k_libcall_value.
10664 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10665 (m68k_function_value): Ditto.
10666 (emit_move_sequence): Ditto.
10667 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10668 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10669 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10670 (MULTILIB_EXCEPTIONS): Ditto.
10671 * config/m68k/m68k.opt: Add mcfv4e.
10672 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10673 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10674 (m68k_output_function_prologue): Save ColdFire FPU registers.
10675 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10676 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10677 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10678 ColdFire FPU registers.
10679 (m68k_libcall_value, m68k_function_value): New functions.
10680 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10681 (LIBCALL_VALUE): Use m68k_libcall_value.
10682 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10683 (MASK_COLDFIRE): Add MASK_CFV4E.
10684 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10685 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10686 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10687 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10688 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10689 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10690 * doc/invoke.tex: Document -mcfv4e on m68k.
10692 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10694 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10697 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10700 * c-opts.c (c_common_handle_option): Don't include
10701 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10702 * doc/invoke.texi (C++ Dialect Options): Document that
10703 -Wnon-virtual-dtor is no longer included in -Wall.
10705 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10707 * gcov.c (print_version), gcov-dump.c (print_version),
10708 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10711 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10713 * df-scan.c (problem_SCAN): Added NULL reset function.
10714 (df_scan_reset_blocks): Added code to call reset block function
10715 (df_bb_refs_delete) Fixed comment.
10716 (df_insn_refs_delete): Made tolerant of deleting non existent info
10717 for dataflow problems that need to be reset.
10718 * df-core.c (df_set_blocks): Ditto.
10719 * df.h (struct df_problem): Added reset_fun.
10720 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10721 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10722 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10723 functions to clear out all references to def-use or use-def chains.
10725 2006-01-21 Ben Elliston <bje@au.ibm.com>
10727 * varasm.c (assemble_real): Initialise data array.
10729 2006-01-20 Paul Brook <paul@codesourcery.com>
10731 Merge from csl-arm-branch.
10732 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10733 * config/arm/arm.md (movdi): Force operands[1] to a register
10734 if we have a non-register source.
10735 (*arm_movdi, *movdf_soft_insn): Require that one of the
10736 operands be a register.
10737 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10738 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10740 2006-01-20 DJ Delorie <dj@redhat.com>
10742 * varasm.c (initializer_constant_valid_p): Allow pointers
10743 initialized from integer constants of lesser precision.
10744 (output_constant): Allow non-int-sized pointer modes to be
10745 initialized from integer constants.
10747 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10750 * cppdefault.h (struct default_include): Add multilib flag.
10751 * cppdefault.c (cpp_include_defaults): Set it.
10752 * c.opt (-imultilib): New option.
10753 * c-opts.c (imultilib): New.
10754 (c_common_handle_option): Handle -imultilib.
10755 (c_common_post_options): Likewise.
10756 * c-incpath.c (add_standard_paths, register_include_chains):
10758 * c-incpath.h (register_include_chains): Add extra parameter.
10759 * gcc.c (do_spec_1): Generate -imultilib option.
10760 (The Specs Language): Update %I description.
10761 (process_command): Update copyright notice.
10762 * doc/cppopts.texi (-imultilib): Document.
10763 * doc/invoke.texi (-imultilib): Include in option summary.
10764 (%I): Update specs documentation.
10766 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10768 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10770 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10772 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10775 2006-01-20 Richard Guenther <rguenther@suse.de>
10776 Steven Bosscher <stevenb.gcc@gmail.com>
10778 PR rtl-optimization/24626
10779 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10780 EDGE_TRUE_VALUE if in RTL mode.
10783 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10784 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10786 2006-01-20 Dirk Mueller <dmueller@suse.com>
10789 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10790 instead of a special NOP marker.
10791 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10792 NOP marker handling.
10793 * c-common.h (empty_body_warning): Add forward declaration.
10794 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10795 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10797 2006-01-20 Paul Brook <paul@codesourcery.com>
10799 * Makefile.in (lang_checks): Keep going if mkdir fails.
10801 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10803 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10804 be able to clean out basic block when not necessary.
10805 (df_scan_free): Fixed to properly delete information if df is
10806 unused before calling df_finish.
10807 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10808 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10810 (df_bb_refs_delete): New function.
10811 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10812 * df-core.c (df_set_blocks): Added code to properly clean out
10813 unused blocks if they are not part of the blocks to consider.
10814 Added additional null check.
10815 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10816 be able to clean out basic block when not necessary
10817 * df.h (df_free_bb_function): Ditto.
10818 (df_bb_refs_delete): New function.
10819 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10820 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10821 basic block parameter to be able to clean out basic block when not
10823 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10824 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10825 Fixed to properly delete information if df is unused before
10828 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10830 PR rtl-optimization/25799
10831 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10832 Corrected confluence operator to remove bits from op2 before oring
10833 with op1 rather than removing bits from op1.
10834 (df_ru_transfer_function): Corrected test on wrong bitmap which
10835 caused infinite loop. Both of these problems were introduced in
10836 the dataflow rewrite.
10838 2006-01-19 DJ Delorie <dj@redhat.com>
10840 * reload1.c (find_reload_regs): Note the details of reload
10841 failures in the dump file.
10842 (spill_failure): Likewise.
10844 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10846 * loop-iv.c: Include df.h and hashtab.h.
10847 (enum iv_grd_result): New enum.
10848 (DF_REF_IV, DF_REF_IV_SET): New macros.
10849 (struct biv_entry): New.
10850 (df, bivs): New global variables.
10851 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10852 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10854 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10855 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10856 analyzed_for_bivness_p, record_biv): New functions.
10857 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10858 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10859 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10861 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10863 (iv_number_of_iterations): Use new interface to iv analysis.
10864 * loop-unroll.c: Do not include varray.h.
10865 (analyze_iv_to_split_insn): Use new interface to iv
10867 * loop-unswitch.c (may_unswitch_on): Ditto.
10868 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10870 (df_bb_modify): Realloc tables to the new index.
10871 (df_find_use): New function.
10872 * df.h (df_find_use): Declare.
10873 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10875 * cfgloop.h (struct rtx_iv): Remove analysed field.
10876 (iv_get_reaching_def): Removed.
10877 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10878 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10879 (loop-iv.o): Add df.h and hashtab.h dependency.
10880 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10882 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10885 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10887 (__floatundisf, __floatundidf): Likewise.
10888 * libgcc2.h (IS_IBM_EXTENDED): Define.
10890 2006-01-19 DJ Delorie <dj@redhat.com>
10892 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10894 2006-01-19 Paul Brook <paul@codesourcery.com>
10896 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10897 as nothrow when unwinding tables are disabled.
10899 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10902 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10903 of bit-field" when in system header.
10905 2006-01-19 DJ Delorie <dj@redhat.com>
10907 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10908 the 16 bit shift limit of the m16c.
10910 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10913 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10914 * config/i386/i386.c (output_set_got): Output the label if we have one
10915 for the TARGET_DEEP_BRANCH_PREDICTION case.
10917 2006-01-19 Jan Hubicka <jh@suse.cz>
10918 H.J. Lu <hongjiu.lu@intel.com>
10919 Evandro Menezes <evandro.menezes@amd.com>
10921 * invoke.texi (generic): Document
10923 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10924 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10925 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10926 (x86_use_incdec, x86_pad_returns): New variables
10927 (TARGET_CPU_DEFAULT_generic): New constant
10928 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10929 (enum processor_type): Add generic32 and generic64.
10930 * i386.md (cpu attribute): Add generic32/generic64
10931 (movhi splitter): Behave sanely when both partial_reg_dependency and
10932 partial_reg_stall are set.
10933 (K8 splitters): Enable for generic as well.
10934 * predicates.md (incdec_operand): Use TARGET_INCDEC
10935 (aligned_operand): Avoid memory mismatch stalls.
10936 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10937 * ppro.md: Enable for generic32
10938 * i386.c (generic64_cost, generic32_cost): New.
10939 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10940 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10941 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10942 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10943 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10944 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10945 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10946 x86_accumulate_outgoing_args, x86_prologue_using_move,
10947 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10948 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10949 Enable for generic.
10950 (x86_use_incdec, x86_pad_returns): New.
10951 (override_options): Add generic32 and generic64, translate "generic"
10952 to generic32/generic64 and "i686" to "generic32", refuse
10953 "generic32"/"generic64" as arch target.
10954 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10955 (ix86_reorg): Honor PAD_RETURNS.
10957 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10959 * tree-pretty-print.c (dump_generic_node): Handle
10960 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10961 * cgraph.c (cgraph_expand_queue): Rename from
10962 cgraph_analyze_queue. Update all users.
10963 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10964 cgraph_expand_queue.
10965 (cgraph_expand_all_functions): Likewise.
10966 (cgraph_finalize_pending_functions): Remove. Update callers.
10968 * tree.h (OMP_DIRECTIVE_P): Define.
10969 (OMP_PARALLEL_FN): Define.
10970 (OMP_PARALLEL_DATA_ARG): Define.
10971 (OMP_SECTIONS_SECTIONS): Define.
10972 * tree-pass.h (pass_expand_omp): Declare.
10973 * omp-low.c (struct omp_region): Declare.
10974 (struct omp_context): Remove fields 'parallel_type',
10975 'parallel_start_ix' and 'parallel_start_additional_args'.
10977 (struct omp_for_data): Rename from struct expand_omp_for_data.
10978 (omp_regions): New static variable.
10979 (root_omp_region): New static variable.
10980 (find_omp_clause): Make static.
10981 (is_in_combined_parallel_ctx): Remove.
10982 (is_combined_parallel): New.
10983 (extract_omp_for_data): Move earlier in the file.
10984 (workshare_safe_to_combine_p): New.
10985 (get_ws_args_for): New.
10986 (determine_parallel_type): Move earlier in the file.
10987 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10989 (omp_copy_decl): Likewise.
10990 (create_omp_child_function): Likewise.
10991 (lookup_omp_region): New.
10992 (dump_omp_region): New.
10993 (debug_omp_region): New.
10994 (debug_all_omp_regions): New.
10995 (new_omp_region): New.
10996 (scan_omp_parallel): If parallel_nesting_level > 1, the
10997 directive is nested within another parallel directive.
10998 Set OMP_PARALLEL_FN.
10999 (scan_omp_for): Do not try to handle combined parallel+for
11001 Remove FIXME comment.
11002 (scan_omp_nested): Remove.
11003 (scan_omp_1): Do not call scan_omp_nested when
11004 parallel_nesting_level is > 1.
11005 Do not change the DECL_CONTEXT of local variables found.
11006 (lookup_decl_in_outer_ctx): New.
11007 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11008 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11009 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11010 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11011 If CTX is nested, lookup VAR in the outer context when
11012 building copy assignment.
11013 (lower_send_clauses): Rename from expand_send_clauses.
11014 If CTX is nested, lookup VAR in the outer context when
11015 building copy assignments.
11016 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11017 If CTX is nested, lookup VAR in the outer context when
11018 building copy assignments.
11019 (expand_parallel_call): Rename from build_parallel_call.
11020 Handle combined parallel+workshare cases.
11021 Re-implement to emit code into the CFG.
11023 (expand_omp_parallel): Re-implement to emit code into the CFG.
11024 Call move_sese_region_to_fn to outline the sub-graph
11025 containing the parallel region.
11026 (expand_omp_for_1): Remove.
11027 (expand_omp_for_generic): Re-implement to emit code into the
11029 (expand_omp_for_static_nochunk): Likewise.
11030 (expand_omp_for_static_chunk): Likewise.
11031 (expand_omp_for): Likewise.
11032 (expand_omp_sections): Likewise.
11033 (remove_exit_barriers): New.
11034 (expand_omp_synch): New.
11036 (build_omp_regions_1): New.
11037 (build_omp_regions): New.
11038 (execute_expand_omp): New.
11039 (gate_expand_omp): New.
11040 (pass_expand_omp): Define.
11041 (lower_omp_sections): Rename from expand_omp_sections.
11042 Set OMP_SECTIONS_SECTIONS.
11043 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11044 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11045 (lower_omp_single): Rename from expand_omp_simple.
11046 (lower_omp_master): Rename from expand_omp_master.
11047 (lower_omp_ordered): Rename from expand_omp_ordered.
11048 (lower_omp_critical): Rename from expand_omp_critical.
11049 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11050 (lower_omp_for): Re-implement.
11051 (lower_omp_parallel): Re-implement.
11052 (lower_regimplify): Rename from expand_regimplify.
11053 (lower_omp_1): Rename from expand_omp_1.
11054 If there are syntax errors in the program, replace every
11055 OpenMP directive with NOP.
11056 Call lower_omp_* instead of expand_omp_*.
11057 (lower_omp): Rename from expand_omp.
11059 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11060 * tree-gimple.h (enum omp_parallel_type): Remove.
11061 (gimple_boolify): Declare extern.
11062 (find_omp_clause, determine_parallel_type): Remove.
11064 * gimple-low.c (lower_omp_directive): New.
11065 (lower_stmt): Call it.
11066 (record_vars_into): Move from ...
11067 (record_vars): ... here.
11068 Call record_vars_into with current_function_decl.
11070 * gimplify.c (struct gimplify_ctx): Remove fields
11071 combined_pre_p and combined_ctxp. Update users.
11072 (get_formal_tmp_var): Add documentation.
11073 (gimple_boolify): Make extern.
11074 (gimplify_expr_in_ctx): Remove. Update callers.
11075 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11076 will always be a BIND_EXPR.
11077 (gimplify_expr): Handle OMP_RETURN_EXPR.
11078 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11079 (OMP_PARALLEL): Add 3 operands.
11080 (OMP_SECTIONS): Add 1 operand.
11081 (OMP_RETURN_EXPR): Define.
11083 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11084 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11085 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11086 creating a circular free list.
11087 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11089 * tree-flow.h (move_sese_region_to_fn): Declare.
11090 (record_vars_into): Declare.
11091 * tree-cfg.c (make_omp_sections_edges): New.
11092 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11093 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11094 OMP_SECTIONS and OMP_SECTION.
11095 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11096 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11097 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11098 (gather_blocks_in_sese_region): New.
11099 (struct move_stmt_d): Declare.
11100 (move_stmt_r): New.
11101 (move_block_to_fn): New.
11102 (move_sese_region_to_fn): New.
11104 * passes.c (init_optimization_passes): Schedule
11105 pass_expand_omp after pass_init_datastructures.
11107 * tree-ssa-operands.c (get_expr_operands): Handle
11108 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11109 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11111 2006-01-19 Jeff Law <law@redhat.com>
11113 * tree-vrp.c (extract_range_from_assert): Refine the result range
11114 if the variable referenced by the ASSERT_EXPR has a range and
11115 either the tentative result range or the previous range is a
11118 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11120 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11122 2006-01-19 Jan Hubicka <jh@suse.cz>
11124 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11126 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11128 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11129 (expand_compound_operation, expand_field_assignment): Fail if the
11130 bit lengths of an extract operation are out of range.
11131 (make_extraction): Compute wanted_inner_mode based on the position
11132 and length of the extraction. Make it extraction_mode for non-constant
11133 positions, and do not modify offset in that case. When generating a
11134 new MEM, use a mode that can hold the extraction while keeping correct
11135 alignment. Remove code that supported MEMs wrapped by USEs.
11136 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11138 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11140 * config/s390/s390.md ("Y", "y"): New mode attribute.
11141 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11142 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11143 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11144 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11145 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11146 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11147 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11148 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11149 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11150 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11151 "addsi3", "subsi3"): Insn patterns removed.
11152 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11153 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11154 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11155 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11156 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11157 "*sub<mode>3_cconly2"): New insn patterns.
11158 ("addsi3", "subsi3"): New expanders.
11160 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11162 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11163 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11164 existing STMT_VINFO_VECTYPE if available.
11165 (vect_mark_relevant): Add special handling for stmts that are
11166 marked as STMT_VINFO_IN_PATTERN_P.
11167 (vect_analyze_loop): Call vect_pattern_recog.
11168 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11169 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11171 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11172 (vect_recog_func_ptr): New function-pointer type.
11173 * tree-vect-patterns.c: New file.
11174 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11175 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11176 (vect_pattern_recog_1): New functions.
11177 (vect_pattern_recog_funcs): New array of function pointers.
11179 * tree-vectorizer.h (ternary_op): New enum value.
11180 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11181 declaration. Revised documentation. Removed redundant dump prints.
11182 Removed redundant argument. Added support for reduction patterns.
11183 (vectorizable_reduction): Added support for reduction patterns.
11184 (vect_transform_stmt): Added support for patterns.
11186 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11187 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11188 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11189 (expand_widen_pattern_expr): New function.
11190 (init_optabs): Initialize new optabs udot_prod_optab,
11192 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11193 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11194 (expand_widen_pattern_expr): New function declaration.
11195 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11197 * tree-inline.c (estimate_num_insns_1): Added cases for new
11198 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11199 * tree-pretty-print.c (dump_generic_node): Likewise.
11200 (op_prio): Likewise.
11201 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11202 * tree-ssa-operands.c (get_expr_operands): Added case for
11204 * tree-vect-patterns.c (widened_name_p): New function.
11205 (vect_recog_dot_prod_pattern): Added function implementation.
11206 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11207 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11208 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11209 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11211 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11212 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11213 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11214 (init_optabs): Initialize new optabs widen_ssum_optab,
11216 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11217 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11218 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11219 use instead of type of def.
11220 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11221 function implementation.
11222 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11223 widen_ssumv8hi): New.
11225 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11228 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11231 * c-decl.c (add_flexible_array_elts_to_size): New function.
11232 (finish_decl): Use it.
11234 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11236 * diagnostic.h: Include options.h.
11237 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11238 dependancies for diagnostic.h.
11239 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11241 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11243 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11244 (ssa_ro_call_cache_valid): Ditto.
11245 * tree-ssa-alias.c (sort_tags_by_id): New function.
11246 (init_transitive_clobber_worklist): Ditto.
11247 (add_to_worklist): Ditto.
11248 (mark_aliases_call_clobbered): Ditto.
11249 (compute_tag_properties): Ditto.
11250 (set_initial_properties): Ditto.
11251 (compute_call_clobbered): Ditto.
11252 (compute_may_aliases): Call compute_call_clobbered and grouping.
11253 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11254 (compute_flow_insensitive_aliasing): Grouping now happens in our
11256 (setup_pointers_and_addressables): Remove clobbering related code.
11257 (add_may_alias): Ditto.
11258 (replace_may_alias): Ditto.
11259 (get_nmt_for): Ditto.
11260 (create_global_var):
11261 (is_escape_site): Return an escape_type enumeration.
11262 * tree-flow-inline.h (is_call_clobbered): Global var does not
11263 imply call clobbered.
11264 (mark_call_clobbered): Take a reason for marking this. Remove
11265 marking of globalness, and cache invalidation.
11266 (clear_call_clobbered): Remove cache invalidation code.
11267 * tree-dfa.c (dump_variable): If details is on, dump the reason
11269 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11271 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11272 (struct var_ann_d): Ditto.
11273 (enum escape_type): New.
11274 (mark_call_clobbered): Adjust prototype.
11275 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11276 are never call clobbered.
11277 Record reasons for escaping.
11278 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11279 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11280 (ssa_ro_call_cache_valid): Ditto.
11281 (clobbered_v_may_defs): Ditto.
11282 (clobbered_vuses): Ditto.
11283 (ro_call_vuses): Ditto.
11284 (clobber_stats): New.
11285 (init_ssa_operands): Zero out clobber stats.
11286 (fini_ssa_operands): Print out clobber stats.
11287 (get_call_expr_operands): Pass callee fndecl to
11288 add_call_read_ops).
11289 (add_call_clobber_ops): Remove use of cache.
11290 Add use of PURE_CONST information.
11291 (add_call_read_ops): Remove use of cache.
11292 Add use of static not_read information.
11294 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11296 Introduce TLS descriptors for i386 and x86_64.
11297 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11298 (TARGET_ANY_GNU_TLS): New macro.
11299 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11300 (struct machine_function): Add tls_descriptor_call_expanded_p.
11301 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11302 (ix86_current_function_calls_tls_descriptor): Likewise.
11303 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11304 (override_options): Introduce gnu2 tls dialect.
11305 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11307 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11309 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11310 (ix86_init_machine_status): Initialize new field.
11311 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11312 (ix86_tls_module_base): New.
11313 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11314 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11315 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11316 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11317 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11318 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11319 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11320 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11321 * config/i386/predicates.md (tls_modbase_operand): New.
11322 (tp_or_register_operand): New.
11324 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11326 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11327 (look_for_address_of): Ditto.
11328 (ipa_init): Walk the function decls.
11329 (static_execute): Don't set readonly on FUNCTION_DECL's.
11331 2006-01-18 Roger Sayle <roger@eyesopen.com>
11333 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11334 for shifts where the source and destination registers are different.
11336 2006-01-18 Paul Brook <paul@codesourcery.com>
11338 Merge from csl-arm-branch.
11339 2005-03-14 Julian Brown <julian@codesourcery.com>
11340 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11341 (aeabi_llsl): Likewise.
11342 (ashrdi3): Likewise.
11343 (aeabi_lasr): Likewise.
11344 (lshrdi3): Likewise.
11345 (aeabi_llsr): Likewise.
11346 2005-03-10 Julian Brown <julian@codesourcery.com>
11347 * config.gcc: Disable shared libgcc for SymbianOS.
11348 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11350 2006-01-18 DJ Delorie <dj@redhat.com>
11352 * c-pragma.c (handle_pragma_diagnostic): New.
11353 (init_pragma): Register it.
11354 * doc/extend.texi: Document it.
11356 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11357 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11358 (diagnostic_context): Add classify_diagnostic[].
11359 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11360 as errors if they're overridden to DK_WARNING.
11361 (diagnostic_initialize): Initialize classify_diagnostic[].
11362 (diagnostic_set_kind_override): New.
11363 (diagnostic_report_diagnostic): Check for kind changes.
11364 * opts.c (common_handle_option): Take lang_mask. Update callers.
11365 Handle OPT_Werror_.
11366 * common.opt (Werror=): New.
11367 * doc/invoke.texi: Document -Werror=*
11369 2006-01-18 Jeff Law <law@redhat.com>
11371 * tree-vrp.c (test_for_singularity): Correct test for new
11372 min limit. Use operand_equal_p rather than pointer equality
11373 for testing if new min/max values are equal.
11375 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11376 using range information until after propagation and folding.
11378 2006-01-18 Richard Henderson <rth@redhat.com>
11379 Aldy Hernandez <aldyh@redhat.com>
11380 Jakub Jelinek <jakub@redhat.com>
11381 Diego Novillo <dnovillo@redhat.com>
11383 * omp-low.c: New file.
11384 * c-omp.c: New file.
11386 2006-01-18 Richard Henderson <rth@redhat.com>
11387 Jakub Jelinek <jakub@redhat.com>
11388 Diego Novillo <dnovillo@redhat.com>
11390 * doc/invoke.texi: Document -fopenmp.
11391 * tree-dump.h (debug_function): Declare.
11392 * hooks.c (hook_bool_tree_bool_false): New function.
11393 (hook_tree_tree_null): Remove.
11394 (hook_tree_tree_tree_null): New.
11395 * hooks.h: Update to match.
11396 * tree-pretty-print.c (debug_tree_chain): New.
11397 (print_generic_expr): Handle TDF_CHAIN.
11398 (dump_generic_node): Handle BLOCK.
11399 Do not abort with incomplete SWITCH_EXPRs.
11400 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11401 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11402 print space after directive name.
11403 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11404 Handle OMP_MASTER and OMP_ORDERED.
11405 Handle printing of OMP_BODY just in one place, goto
11406 dump_omp_body in the rest of OMP_* nodes that have
11408 Don't handle clause nodes here. Update omp statements to
11409 use dump_omp_clauses.
11410 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11411 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11412 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11413 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11414 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11415 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11416 Adjust output for GOMP_PARALLEL.
11417 (dump_omp_clauses): New.
11418 (print_declaration): Dump DECL_VALUE_EXPR.
11419 (op_symbol_1): Split out of op_symbol.
11420 (dumping_stmts): Remove. Update all users.
11421 * cgraph.c (cgraph_analyze_queue): New.
11422 (cgraph_add_new_function): New.
11423 * cgraph.h (cgraph_analyze_queue): Declare.
11424 (cgraph_add_new_function): Declare.
11425 (cgraph_lower_function): Remove.
11426 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11427 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11428 and TYPE_P nodes in its default clause.
11429 (empty_body_p): New.
11430 (tree_range_check_failed): New.
11431 (build5_stat): New.
11432 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11433 OMP_CLAUSE_REDUCTION_MERGE,
11434 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11435 OMP_CLAUSE_PRIVATE_DEBUG,
11436 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11437 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11438 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11439 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11440 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11441 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11442 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11443 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11444 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11445 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11446 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11447 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11448 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11449 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11450 (TREE_RANGE_CHECK): New.
11451 (empty_body_p): Declare.
11452 (enum omp_clause_default_kind): New.
11453 (build_string_literal): Declare.
11454 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11455 (build5_stat, build5): Declare.
11456 * tree-pass.h (TDF_CHAIN): Define.
11457 * tree-pass.h (PROP_gimple_lomp): Define.
11458 (pass_lower_omp): Declare.
11459 * diagnostic.h (debug_tree_chain): Declare.
11460 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11462 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11463 * builtins.c (build_string_literal): Make extern.
11464 * gcc.c (include_spec_function): New.
11465 (static_spec_functions): Add it.
11466 (main): Move load of libgomp.spec ...
11467 (LINK_COMMAND_SPEC): ... here.
11468 (link_gomp_spec): New.
11469 (static_specs): Include it.
11470 (LINK_COMMAND_SPEC): Add link_gomp.
11471 (GOMP_SELF_SPECS): New.
11472 (driver_self_specs): Include it.
11473 (switch_matches): Don't mark inline.
11474 (main): Load libgomp.spec.
11475 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11476 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11477 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11478 * tree-gimple.h (enum omp_parallel): Declare.
11479 (determine_parallel_type): Declare.
11480 (omp_firstprivatize_variable): Declare.
11481 (omp_reduction_init): Declare.
11482 (diagnose_omp_structured_block_errors): Declare.
11483 (struct walk_stmt_info): Add want_return_expr.
11484 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11485 (find_omp_clause): Declare.
11486 (insert_field_into_struct): Declare.
11487 (struct walk_stmt_info): Move from tree-nested.c
11488 (walk_stmts): Declare.
11489 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11491 * cgraphunit.c (cgraph_lower_function): Make static.
11492 (cgraph_finalize_pending_functions): New.
11493 (cgraph_finalize_function): Call it.
11494 (cgraph_finalize_compilation_unit): Likewise.
11495 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11496 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11497 (BT_FN_UINT_UINT): New.
11498 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11499 DEF_FUNCTION_TYPE_VAR_4): Document.
11500 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11501 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11502 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11503 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11504 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11505 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11506 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11507 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11508 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11509 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11510 into separate files.
11511 (DEF_GOMP_BUILTIN): New.
11512 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11513 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11514 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11515 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11516 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11517 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11518 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11519 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11520 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11521 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11522 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11523 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11524 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11525 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11526 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11527 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11528 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11529 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11530 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11531 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11532 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11533 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11534 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11535 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11536 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11537 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11538 * sync-builtins.def: New file, moved from builtins.def.
11539 * omp-builtins.def: New file, moved from builtins.def.
11540 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11541 * gimple-low.c (lower_function_body): Clear data.
11542 (lower_stmt): Do not handle COMPOUND_EXPR.
11543 Remove call to print_node_brief.
11544 * c-tree.h (c_finish_omp_clauses): New prototype.
11545 (C_DECL_THREADPRIVATE_P): Define.
11546 (lookup_name_no_remap, c_omp_remap_private): Remove
11547 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11548 (check_for_loop_decls): Update decl.
11549 (lookup_name_no_remap, c_omp_remap_private): Declare.
11550 (build_indirect_ref, build_modify_expr, pushdecl,
11551 pushdecl_top_level): Move to c-common.h.
11552 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11553 before the switch, but just in the 2 places that need it.
11554 * c-decl.c (diagnose_mismatched_decls): Do not check for
11555 mismatched thread-local attributes when OLDDECL is marked
11556 threadprivate and NEWDECL has no thread-local attributes.
11557 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11558 (c_gimple_diagnostics_recursively): Rename from
11559 c_warn_unused_result_recursively. Invoke
11560 diagnose_omp_structured_block_errors.
11561 (check_for_loop_decls): Return a singular decl found.
11562 * langhooks.c (lhd_omp_predetermined_sharing): Return
11563 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11564 (lhd_omp_firstprivatize_type_sizes): New.
11565 (lhd_omp_assignment): New.
11566 (lhd_omp_predetermined_sharing): New.
11567 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11568 (struct lang_hooks_for_types): Add
11569 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11570 omp_predetermined_sharing, omp_disregard_value_expr,
11571 omp_private_debug_clause, omp_clause_default_ctor,
11572 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11573 (c_finish_omp_clauses): New.
11574 (c_finish_bc_stmt): Diagnose break within omp for.
11575 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11576 (build_unary_op): Return error_mark after reporting
11578 (build_modify_expr): Likewise.
11579 * gimplify.c: Include optabs.h and pointer-set.h.
11580 (enum gimplify_omp_var_data): Declare.
11581 (struct gimplify_omp_ctx): Declare.
11582 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11584 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11585 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11586 (splay_tree_compare_decl_uid): New.
11587 (new_omp_context): New.
11588 (delete_omp_context): New.
11589 (gimple_add_tmp_var): Call omp_add_variable.
11590 (gimplify_bind_expr): Likewise.
11591 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11592 true, disregard DECL_VALUE_EXPR on the decl if any.
11593 (gimplify_expr_in_ctx): New.
11594 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11595 omp_add_variable, omp_notice_variable, omp_is_private
11596 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11597 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11598 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11599 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11600 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11601 gimplify_omp_atomic): New.
11602 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11603 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11604 OMP_CRITICAL and OMP_ATOMIC.
11605 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11606 * c-pragma.h (enum pragma_kind): Add
11607 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11608 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11609 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11610 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11611 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11612 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11613 PRAGMA_OMP_THREADPRIVATE.
11614 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11615 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11616 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11617 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11618 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11619 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11620 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11621 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11622 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11623 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11624 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11625 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11626 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11628 (struct nesting_info): Add field_map,
11629 suppress_expansion, debug_var_chain.
11630 (create_nesting_tree): Initialize them.
11631 (lookup_field_for_decl): Use field_map.
11632 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11633 (convert_local_omp_clauses): New.
11634 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11635 (walk_body): Split out of walk_function.
11636 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11637 (convert_nonlocal_reference): Handle omp statements.
11638 (convert_local_reference): Likewise.
11639 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11640 (unnest_nesting_tree): New.
11641 (lower_nested_functions): Call it.
11642 (insert_field_into_struct): Make extern.
11643 (struct walk_stmt_info): Move to tree-gimple.h.
11644 (walk_stmts): Make extern.
11645 * omp-builtins.def: New file.
11646 * tree-iterator.c (expr_only): Clarify comment.
11647 * c-common.h (pushdecl_top_level, pushdecl,
11648 build_modify_expr, build_indirect_ref,
11649 c_finish_omp_master, c_finish_omp_critical,
11650 c_finish_omp_ordered, c_finish_omp_barrier,
11651 c_finish_omp_atomic, c_finish_omp_flush,
11652 c_finish_omp_for, c_split_parallel_clauses,
11653 omp_clause_default_kind, c_omp_sharing_predetermined,
11654 c_omp_remap_decl): Declare.
11655 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11656 (OBJS-common): Add omp-low.o.
11657 (c-omp.o, omp-low.o): Add.
11658 (gimplify.o): Add dependency on $(OPTABS_H).
11659 (GTFILES): Add omp-low.c.
11660 (gt-stringpool.h): Add.
11661 * tree-cfg.c (set_bb_for_stmt): Do not update the
11662 block-to-labels map if we are currently expanding to RTL.
11663 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11665 Handle IDENTIFIER_NODE.
11666 (tree_verify_flow_info): Do not ICE when emitting error
11667 messages about invalid labels.
11668 (dump_function_to_file): Reset CFUN before emitting the body
11670 (debug_function): New.
11671 * passes.c (init_optimization_passes): Schedule
11673 * langhooks-def.h (lhd_omp_predetermined_sharing,
11674 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11676 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11677 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11678 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11679 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11680 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11681 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11682 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11683 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11684 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11685 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11686 (LANG_HOOK_DECLS): Use them.
11688 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11689 Richard Henderson <rth@redhat.com>
11690 Jakub Jelinek <jakub@redhat.com>
11691 Diego Novillo <dnovillo@redhat.com>
11693 * c-parser.c (pragma_omp_clause): Define.
11694 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11695 (c_parser_compound_statement): Likewise.
11696 (c_parser_statement): Likewise.
11697 (c_parser_pragma): Handle omp pragmas.
11698 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11699 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11700 (c_parser_omp_clause_name, check_no_duplicate_clause,
11701 c_parser_omp_variable_list,
11702 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11703 c_parser_omp_clause_copyprivate,
11704 c_parser_omp_clause_default,
11705 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11706 c_parser_omp_clause_lastprivate,
11707 c_parser_omp_clause_nowait,
11708 c_parser_omp_clause_num_threads,
11709 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11710 c_parser_omp_clause_reduction,
11711 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11712 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11713 c_parser_omp_atomic, c_parser_omp_barrier,
11714 c_parser_omp_critical, c_parser_omp_flush,
11715 c_parser_omp_for_loop, c_parser_omp_for,
11716 c_parser_omp_master, c_parser_omp_ordered,
11717 c_parser_omp_sections_scope, c_parser_omp_sections,
11718 c_parser_omp_parallel, c_parser_omp_single,
11719 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11720 * c-pragma.c (init_pragma): Do omp pragma registration here.
11721 * c.opt (fopenmp): New flag.
11723 2006-01-18 Eric Christopher <echristo@apple.com>
11725 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11726 * config/darwin.h (GOMP_SELF_SPECS): Define.
11728 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11730 * rtl.h: Remove the prototype for reg_alloc.
11732 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11735 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11736 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11737 sjlj and dwarf2 exception handling.
11738 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11739 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11740 * pa/pa.c (function_value): Treat complex and vector types as
11742 (function_arg): Likewise. Only pass scalar floats in the floating
11743 point argument registers.
11744 * pa/t-slibgcc-dwarf-ver: New file.
11745 * pa/t-slibgcc-sjlj-ver: New file.
11746 * pa/t-slibgcc-elf-ver: Delete file.
11748 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11750 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11751 unlikely_test_section_p test.
11753 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11755 * mode-switching.c (optimize_mode_switching): Make it static.
11756 * basic-block.h: Remove the prototype for
11757 optimize_mode_switching.
11759 * modulo-sched.c (sms_schedule): Make it static.
11760 * rtl.h: Remove the prototype for sms_schedule.
11762 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11763 * rtl.h: Remove the prototype for gcse_after_reload_main.
11765 * reg-stack.c (reg_to_stack): Make it static.
11766 * rtl.h: Remove the prototype for reg_to_stack.
11768 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11770 * rtl.h: Remove the prototypes for regrename_optimize and
11771 copyprop_hardreg_forward.
11773 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11775 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11776 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11777 Test against the appropriate null constant for the mode.
11778 If 'fixup_overlap' is true, swap the operands if they overlap.
11779 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11780 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11781 alpha_split_tmode_pair and adjust for above change.
11782 * config/alpha/alpha.md (movtf_internal): Adjust call to
11783 alpha_split_tfmode_pair and rely on it to swap the operands.
11784 (movti_internal): New insn and post-reload splitter.
11785 (movti): New expander.
11787 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11789 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11792 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11794 * rtlanal.c (global_reg_mentioned_p_1,
11795 global_reg_mentioned_p): Remove.
11796 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11798 * flow.c (initialize_uninitialized_subregs): Make it static.
11799 * rtl.h: Remove the prototype for
11800 initialize_uninitialized_subregs.
11802 * function.c (instantiate_virtual_regs): Make it static.
11803 * function.h: Remove the prototype for
11804 instantiate_virtual_regs.
11806 * regmove.c (regmove_optimize, combine_stack_adjustments):
11808 * rtl.h: Remove the prototypes for regmove_optimize and
11809 combine_stack_adjustments.
11811 2006-01-17 Roger Sayle <roger@eyesopen.com>
11813 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11814 (size_cost): Encode costs in bytes so that a reg-reg addition is
11815 equivalent to COSTS_N_INSNS(1).
11816 (override_options): Use the size_cost.branch_cost as the default
11817 ix86_branch_cost when optimizing for size.
11819 2006-01-18 Ben Elliston <bje@au.ibm.com>
11821 * Makefile.in (D32PBIT_FUNCS): New.
11822 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11823 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11824 D64PBIT_FUNCS and D128PBIT_FUNCS.
11825 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11826 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11828 (decnumber_dep): Define.
11829 * doc/libgcc.texi (Decimal float library routines): New node.
11830 * config/dfp-bit.h, config/dfp-bit.c: New files.
11832 2006-01-18 Ben Elliston <bje@au.ibm.com>
11834 * expr.c (emit_move_change_mode): Always adjust addresses, not
11835 just during reload. Copy replacements only during reload.
11836 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11837 emit_move_via_integer.
11839 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11841 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11842 instead of $(srcdir) and ${srcdir}.
11844 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11847 PR middle-end/11135
11848 * arm.h (struct machine_function): Add pic_reg.
11849 * arm.c (arm_pic_register): Make unsigned.
11850 (arm_override_options): Only set arm_pic_register if
11851 TARGET_SINGLE_PIC_BASE.
11852 (use_return_insn): Only test for a pic register if it is fixed.
11853 (arm_compute_save_reg0_reg12_mask): Likewise.
11854 (thumb_compute_save_reg_mask): Likewise.
11855 (legitimate_pic_operand): Factor out some known invariants.
11856 (legitimize_pic_address): If we don't have a fixed pic register,
11857 then set up a pseudo in the function entry sequence. Handle the
11858 pic base being in a pseudo.
11859 (arm_load_pic_register): Handle the pic register being in a pseudo.
11860 (arm_expand_prologue): Only set up the pic register if it is fixed.
11861 (thumb_expand_prologue): Likewise.
11862 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11863 (pic_load_addr_based_insn): Likewise.
11864 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11867 2006-01-18 Ben Elliston <bje@au.ibm.com>
11869 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11870 decimal float modes for all floating point registers.
11872 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11873 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11875 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11878 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11879 even when the pointer is not NULL.
11881 2006-01-16 Ian Lance Taylor <ian@airs.com>
11883 * common.opt (ftoplevel-reorder): New option.
11884 * cgraph.c (cgraph_asm_nodes): New global variable.
11885 (cgraph_asm_last_node): New static variable.
11886 (cgraph_order): New global variable.
11887 (cgraph_create_node): Set new order field.
11888 (cgraph_varpool_node): Likewise.
11889 (decide_is_variable_needed): Return true if not
11890 flag_toplevel_reorder.
11891 (cgraph_add_asm_node): New function.
11892 * cgraph.h (struct cgraph_node): Add order field.
11893 (struct cgraph_varpool_node): Add order field.
11894 (struct cgraph_asm_node): Define.
11895 (cgraph_asm_nodes, cgraph_order): Declare.
11896 (cgraph_add_asm_node): Declare.
11897 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11899 (cgraph_varpool_assemble_pending_decls): Call it.
11900 (cgraph_output_pending_asms): New static function.
11901 (cgraph_finalize_compilation_unit): Call it.
11902 (struct cgraph_order_sort): Define.
11903 (cgraph_output_in_order): New static function.
11904 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11905 !flag_toplevel_reorder case.
11906 * c-parser.c: Include "cgraph.h".
11907 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11909 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11910 than -fno-unit-at-a-time.
11911 * doc/invoke.texi (Option Summary): Mention
11912 -fno-toplevel-reorder.
11913 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11914 -funit-at-a-time documentation.
11916 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11917 Kazu Hirata <kazu@codesourcery.com>
11919 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11921 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11923 * Makefile.in (FUNCTION_H): New. Use it instead of
11924 function.h throughout the file.
11925 * function.h: Include tree.h.
11927 2006-01-17 Ben Elliston <bje@au.ibm.com>
11929 * recog.c: Separate some functions with whitespace.
11931 2006-01-16 Richard Henderson <rth@redhat.com>
11933 Merge from gomp branch:
11934 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11935 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11936 and rename from struct inline_data. Rename callee* to dst*;
11937 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11938 transform_new_cfg, transform_return_to_modify, and
11939 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11941 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11942 (copy_decl_for_dup): Remove.
11943 * tree-inline.c (struct inline_data): Move to header.
11944 (insert_decl_map): Export.
11945 (remap_decl): Update for member name changes. Use copy_decl hook.
11946 Allow for replacement to be a non-decl. Remove dead code.
11947 (remap_type_1): Check for existing mapping.
11948 (remap_type): Export.
11949 (remap_decls): Update for member name changes.
11950 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11951 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11952 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11953 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11954 (tree_function_versioning, build_duplicate_type): Likewise.
11955 (copy_body_r): Likewise. Export.
11956 (copy_decl_for_dup): Split into ...
11957 (copy_decl_for_dup_finish, copy_decl_to_var,
11958 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11959 (replace_ref_tree, inlining_p): Remove.
11961 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11963 * ifcvt.c (if_convert): Make it static.
11964 * rtl.h: Remove the prototype for if_convert.
11966 * local-alloc.c (local_alloc): Make it static.
11967 * rtl.h: Remove the prototype for local_alloc.
11969 * loop.c (loop_optimize): Make it static.
11970 * cfgloop.h: Remove the prototype for loop_optimize.
11973 2006-01-16 DJ Delorie <dj@redhat.com>
11975 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11978 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11980 * pa.md: Disparage copies between general and floating-point registers
11981 in 32-bit move patterns.
11983 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11986 * Makefile.in (check-%): Depend on site.exp instead of
11987 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11990 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11992 * global.c (global_alloc): Make it static.
11993 * rtl.h: Remove the prototype for global_alloc.
11995 2006-01-16 Richard Guenther <rguenther@suse.de>
11997 * tree-ssa-alias.c (struct used_part): Add write_only field.
11998 (get_or_create_used_part_for): Initialize it to true.
11999 (create_overlap_variables_for): Don't create structure variables
12000 for structures that only are written to.
12001 (find_used_portions): Handle MODIFY_EXPR to track whether a
12002 structure is only written to.
12004 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12006 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12008 * basic-block.h: Remove the prototype for
12009 partition_hot_cold_basic_blocks.
12011 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12013 * cppspec.c (lang_specific_spec_functions): Remove.
12014 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12015 * gcc.h (lang_specific_spec_functions): Remove.
12016 * gccspec.c (lang_specific_spec_functions): Remove.
12018 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12020 * combine.c (record_value_for_reg): Invalidate registers
12022 (record_dead_and_set_regs_1): Likewise, by passing them to
12023 record_value_for_reg.
12024 (record_dead_and_set_regs): Invalidate stores made by a
12025 call. We do not combine across a call, but we still
12026 relied on equivalences.
12028 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12030 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12031 vrp_int_const_binop returning non-constant nodes.
12033 2006-01-16 Paul Brook <paul@codesourcery.com>
12035 * config/m68k/m68k.c (output_move_const_into_data_reg):
12036 Output correct mnemonic for mvz and mvs.
12038 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12040 * rtl-factoring.c: Add sequence abstraction algorithm.
12041 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12042 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12044 (block_has_preserve_label): New function.
12045 * common.opt: Register new pass.
12046 * Makefile.in: Ditto.
12048 * timevar.def: Ditto.
12049 * tree-pass.h: Ditto.
12050 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12051 * rtl.h (make_jump_insn_raw): Add forward decl.
12052 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12054 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12055 Roger Sayle <roger@eyesopen.com>
12057 * fold-const.c (fold_minmax): New static function.
12058 (fold_binary) <MIN_EXPR>: Call it.
12059 <MAX_EXPR>: Likewise.
12060 * stor-layout.c (place_field): Use DECL_SIZE consistently
12061 in the computation of the new record size.
12063 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12065 * cse.c (cse_condition_code_reg): Make it static.
12066 * rtl.h: Remove the prototype for cse_condition_code_reg.
12068 * combine.c (combine_instructions): Make it static.
12069 * rtl.h: Remove the prototype for combine_instructions.
12071 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12074 * tree.c (get_file_function_name_long): Concatenate the first global
12075 object name with a string derived from the input filename of the object
12078 2006-01-16 Ben Elliston <bje@au.ibm.com>
12080 * config/i386/winnt-stubs.c: Update FSF address.
12081 * config/xtensa/ieee754-df.S: Ditto.
12082 * config/xtensa/ieee754-sf.S: Ditto.
12084 2006-01-14 Ian Lance Taylor <ian@airs.com>
12086 * ifcvt.c (noce_init_if_info): New static function, broken out of
12087 noce_process_if_block.
12088 (noce_process_if_block): Call noce_init_if_info.
12089 (check_cond_move_block): New static function.
12090 (cond_move_process_if_block): New static function.
12091 (process_if_block): Call cond_move_process_if_block.
12093 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12095 * cselib.c (hash_table): Rename to cselib_hash_table.
12096 (cselib_clear_table, discard_useless_values,
12097 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12098 cselib_init, cselib_finish): Adjust uses of hash_table.
12100 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12102 PR tree-optimization/25485
12103 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12104 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12105 is known to be false and true, respectively.
12107 2006-01-14 Richard Guenther <rguenther@suse.de>
12109 PR tree-optimization/22548
12110 PR tree-optimization/22555
12111 PR tree-optimization/22501
12112 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12113 * params.def (salias-max-array-elements): New parameter.
12114 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12115 * doc/invoke.texi (salias-max-array-elements): Document.
12116 * tree-flow-inline.h (var_can_have_subvars): We also handle
12118 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12120 * tree-ssa-structalias.c (params.h): Include.
12121 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12122 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12123 (get_constraint_for): For ADDR_EXPR operating on something
12124 containing an ARRAY_REF, add all subvars to the solution.
12125 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12126 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12127 for creating MUST_DEFs.
12128 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12130 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12132 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12134 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12135 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12136 number_of_iterations_le): New functions.
12137 (number_of_iterations_special): Removed.
12138 (number_of_iterations_exit): Do not use number_of_iterations_special.
12139 * tree.c (unsigned_type_for): Always return integer type.
12141 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12142 Richard Guenther <rguenther@suse.de>
12144 PR rtl-optimization/24257
12145 * gcse.c (find_moveable_store): Only consider a store movable
12146 when the SET_SRC of the insn can be assigned to a register.
12148 2006-01-14 Ian Lance Taylor <ian@airs.com>
12150 * tree.c (tree_not_class_check_failed): New function.
12151 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12152 (tree_not_class_check_failed): Declare.
12154 2006-01-13 Ian Lance Taylor <ian@airs.com>
12156 * reload1.c (do_output_reload): Add assertion rejecting a
12159 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12161 * combine.c (struct reg_stat): Add new fields truncation_label and
12163 (record_value_for_reg): Reset truncated_to_mode.
12164 (record_truncated_value): New function.
12165 (check_promoted_subreg): Call it. Rename to check_conversions.
12166 (combine_instructions): Rename check_promoted_subreg to
12168 (reg_truncated_to_mode): New function.
12169 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12170 (gen_lowpart_or_truncate): New function.
12171 (force_to_mode): Use it instead of gen_lowpart.
12173 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12175 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12176 VAR is a tag, not its type tag.
12178 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12180 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12181 alternatives to match style of other entries.
12182 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12184 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12186 PR tree-optimization/25771
12187 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12190 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12193 * tree-inline.c (declare_return_variable): If the return variable
12194 was marked as a non gimple complex, set the return slot variable
12195 to be a non gimple comple variable.
12197 2006-01-13 Richard Guenther <rguenther@suse.de>
12199 * builtins.c (expand_builtin_sincos): New function.
12200 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12202 (expand_builtin): Expand sincos using expand_builtin_sincos.
12204 2006-01-12 DJ Delorie <dj@redhat.com>
12206 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12207 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12208 so that constant shifts can be split.
12209 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12210 (m32c_valid_pointer_mode): Make static.
12211 (shift_gen_func_for): New.
12212 (m32c_prepare_shift): Use it. Split large const shifts into
12214 * config/m32c/predicates.md (shiftcount_operand): Allow more
12216 (longshiftcount_operand): New.
12217 * doc/md.texi (Machine Constraints): Document In6.
12219 2006-01-13 Ben Elliston <bje@au.ibm.com>
12221 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12222 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12225 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12227 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12228 to try to avoid clobbering pieces of structures when we know
12229 something about the whole structure.
12230 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12232 2006-01-13 Ben Elliston <bje@au.ibm.com>
12234 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12235 return in memory, as this is no limitation is no longer present.
12237 2006-01-12 DJ Delorie <dj@redhat.com>
12239 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12240 mova with fb, and for fb+0 -> An.
12242 * config/m32c/mov.md (peephole2): Fix enabling logic.
12244 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12245 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12246 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12247 FINI_ARRAY_SECTION_ASM_OP): Define.
12249 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12251 (m32c_legitimize_reload_address): New logic to reload FB to An.
12252 (m32c_output_reg_push): Add newline.
12253 (m32c_output_reg_pop): Likewise.
12255 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12257 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12259 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12261 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12263 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12265 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12268 2006-01-11 Ben Elliston <bje@au.ibm.com>
12270 * rtlanal.c (find_reg_note): Assert insn is not null.
12272 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12274 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12277 2006-01-11 Jeff Law <law@redhat.com>
12279 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12281 (mark_threaded_blocks, register_jump_thread): New functions.
12282 (thread_through_all_blocks): Remove unwanted argument. No
12283 longer rely on e->aux to communicate thread target info.
12284 Call mark_threaded_blocks. Release the threaded_blocks
12285 bitmap and threaded_edges vector when complete.
12286 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12287 (threaded_blocks): Remove.
12288 (tree_ssa_dominator_optimize): Remove initialization and
12289 finalization of threaded_blocks. Simplify call to
12290 thread_through_all_blocks.
12291 (thread_across_edge): Call register_jump_thread rather than
12292 storing thread information into e->aux.
12293 (free_all_edge_infos): Simplify now that e->aux is no longer
12294 used to communicate with thread_through_all_blocks.
12295 * tree-flow.h (thread_through_all_blocks): Update prototype.
12296 (register_jump_thread): Prototype.
12298 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12300 * df-core.c (df_compact_blocks, df_bb_replace): Use
12301 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12303 2006-01-11 Richard Guenther <rguenther@suse.de>
12305 PR tree-optimization/25734
12306 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12307 stop propagation after successful propagation to the LHS.
12309 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12311 * basic-block.h (control_flow_graph): Change the type of
12312 x_basic_block_info to VEC(basic_block,gc) *.
12313 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12315 (SET_BASIC_BLOCK): New.
12316 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12317 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12318 * cfgbuild.c (find_basic_blocks): Likewise.
12319 * cfglayout.c (fixup_reorder_chain): Likewise.
12320 * cfgrtl.c (create_basic_block_structure,
12321 rtl_create_basic_block): Likewise.
12322 * ifcvt.c (find_if_case_1): Likewise.
12323 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12326 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12328 * Makefile.in: Removed rotted odf.c entry.
12330 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12333 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12334 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12335 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12336 output pattern modifier, not %e.
12337 * config/cris/cris.c (cris_op_str): Update comment about pattern
12339 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12340 before falling through into...
12341 <case 'E'>: Redefined from old 'e' case.
12343 2006-01-11 Jan Hubicka <jh@suse.cz>
12346 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12348 2006-01-11 Jan Hubicka <jh@suse.cz>
12350 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12351 * i386.c (x86_decompose_lea): Kill.
12352 (ix86_rtx_costs): Kill.
12354 2006-01-11 Jan Hubicka <jh@suse.cz>
12356 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12357 * cgraph.h (cgraph_node): Add inline_decl.
12358 (cgraph_insert_node_to_hashtable): Declare.
12359 (save_inline_function_body): Declare.
12360 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12362 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12363 (cgraph_function_versioning): Update call of tree_function_versioning.
12364 (save_inline_function_body): New function.
12365 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12366 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12367 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12368 (cgraph_default_inline_p): Likewise.
12369 (cgraph_decide_inlining_incrementally): Likewise.
12370 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12371 (copy_bb): Kill saving; do updating of clones.
12372 (copy_cfg_body): Kill saving.
12373 (initialize_inlined-parameters): Likewise.
12374 (expand_call_inline): Likewise.
12376 (tree_function_versioning): New parameter "update_clones".
12377 (inlining_p): Kill saving.
12378 * tree-inline.h (tree_function_versioning): Update prototype.
12379 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12382 2006-01-11 Ian Lance Taylor <ian@airs.com>
12384 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12385 Allow undoing set of machine mode.
12386 (do_SUBST): Use enums instead of is_int.
12387 (do_SUBST_MODE): New function.
12388 (SUBST_MODE): New macro.
12389 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12390 reg and trying to replace reg_regno_rtx with a new register.
12391 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12392 (simplify_set): Use SUBST_MODE.
12393 (distribute_notes): Remove code that tried to update reg notes
12394 for regno_reg_rtx changes.
12396 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12398 PR tree-optimization/23109
12399 PR tree-optimization/23948
12400 PR tree-optimization/24123
12402 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12403 * tree-cfg.c (single_noncomplex_succ): New.
12404 * tree-flow.h (single_noncomplex_succ): Declare it.
12405 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12406 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12407 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12408 insert_bb, register_division_in, insert_reciprocals,
12409 replace_reciprocal, free_bb): New.
12410 (execute_cse_reciprocals_1): Rewritten.
12411 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12412 Do not commit any edge insertion. Always compute dominators and
12413 create the allocation pool.
12414 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12415 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12416 * targhooks.c (default_min_divistions_for_recip_mul): New.
12417 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12418 * passes.c (init_optimization_passes): Run recip after tree loop
12420 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12422 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12423 Kenneth Zadeck <zadeck@naturalbridge.com>
12425 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12426 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12427 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12428 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12429 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12430 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12431 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12432 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12433 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12434 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12435 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12436 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12437 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12438 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12439 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12440 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12441 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12442 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12443 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12444 DF_SCAN_POST_ALLOC): New macros.
12445 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12446 df_free_bb_function, df_local_compute_function, df_init_function,
12447 df_dataflow_function, df_confluence_function_0,
12448 df_confluence_function_n, df_transfer_function,
12449 df_finalizer_function, df_free_function, df_dump_problem_function,
12450 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12451 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12452 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12453 df_urec_bb_info, ) New types.
12454 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12456 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12457 df_analyze_simple_change_some_blocks,
12458 df_analyze_simple_change_one_block, df_compact_blocks,
12459 df_bb_replace, df_bb_regno_last_use_find,
12460 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12461 df_insn_regno_def_p, df_find_def, df_find_use,
12462 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12463 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12464 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12465 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12466 debug_df_chain, df_get_dependent_problem, df_chain_create,
12467 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12468 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12469 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12470 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12471 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12472 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12473 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12474 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12475 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12476 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12477 df_reorganize_refs, df_set_state, df_hard_reg_init,
12478 df_read_modify_subreg_p) New public functions.
12479 * df-core.c: The core dataflow solver and glue routines for rtl
12481 (df_init, df_add_problem, df_set_blocks, df_finish,
12482 df_hybrid_search_forward, df_hybrid_search_backward,
12483 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12484 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12485 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12486 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12487 df_reg_defined, df_find_use, df_reg_used, df_dump,
12488 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12489 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12490 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12491 debug_df_useno, reset_df_after_reload): New functions.
12492 * df-scan.c: The scanning fuctions, once in df.c, completely
12493 rewritten so that they now fully model the functionality of
12494 register usage at the backend.
12495 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12496 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12497 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12498 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12499 df_get_artificial_defs, df_get_artificial_uses,
12500 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12501 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12502 df_refs_delete, df_reorganize_refs, df_set_state,
12503 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12504 df_def_record_1, df_defs_record, df_uses_record,
12505 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12506 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12507 df_record_exit_block_uses, df_hard_reg_init): New functions.
12509 * df-problems.c: Seven concrete dataflow problems that use the
12510 scanning in df-scan.c and are solved by the engine in df-core.c.
12511 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12512 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12513 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12514 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12515 df_ru_free_bb_info, df_ru_alloc,
12516 df_ru_bb_local_compute_process_def,
12517 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12518 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12519 df_ru_transfer_function, df_ru_free, df_ru_dump,
12520 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12521 df_rd_free_bb_info, df_rd_alloc,
12522 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12523 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12524 df_rd_transfer_function, df_rd_free, df_rd_dump,
12525 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12526 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12527 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12528 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12529 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12530 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12531 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12532 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12533 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12534 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12535 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12536 df_urec_mark_reg_use_for_earlyclobber,
12537 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12538 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12539 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12540 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12541 df_chain_create_bb_process_use, df_chain_create_bb,
12542 df_chain_finalize, df_chain_free, df_chains_dump,
12543 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12544 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12545 df_reg_lifetime): New functions.
12546 * df.c: Deleted file.
12547 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12548 consistent with new df api.
12549 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12550 rest_of_handle_sms): Ditto.
12551 * web.c (unionfind_union, union_defs, entry_register, web_main):
12553 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12554 invariant_expr_equal_p, find_defs, check_dependencies,
12555 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12556 free_inv_motion_data, move_loop_invariants): Ditto.
12557 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12558 Update dependencies.
12559 (odf.c): Added defective entry that was deleted later in day.
12560 * sched-deps.c (sched_analyze_1): Ditto.
12562 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12564 * tree-ssa-operands.c (get_expr_operands): Record addressable
12565 variables directly. Do not call add_stmt_operands for CONST_DECLs
12567 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12568 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12570 2006-01-11 Ben Elliston <bje@au.ibm.com>
12572 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12573 function returns true in the positive case.
12575 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12578 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12579 for SI, DI, SF and DF modes. Add alternatives to copy between
12580 general and floating point registers to the 32-bit patterns.
12581 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12582 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12583 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12584 generating 64-bit code.
12585 * config/pa/pa.c (output_move_double): Handle copies between general
12586 and floating registers.
12588 2006-01-10 Stuart Hastings <stuart@apple.com>
12590 * config/i386/i386.md (set_got): Update.
12591 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12592 (builtin_setjmp_receiver): Mach-O support.
12593 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12594 (GOT_SYMBOL_NAME): Define.
12595 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12596 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12597 * config/i386/i386.c (override_options): Revise for Darwin.
12598 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12599 support. (darwin_x86_file_end): New. (output_set_got): Add label
12600 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12601 * config/i386/i386-protos.h (output_set_got): Likewise.
12602 * config/darwin.c (machopic_legitimize_pic_address): Update
12605 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12607 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12608 when MODE isn't BLKmode.
12610 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12612 PR rtl-optimization/25367
12613 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12615 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12618 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12619 for a negative bound.
12621 2006-01-10 Richard Guenther <rguenther@suse.de>
12623 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12624 Never override with anything constraint.
12626 2006-01-10 Jan Beulich <jbeulich@novell.com>
12628 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12629 256 bits when optimize_size.
12631 2006-01-10 Jan Beulich <jbeulich@novell.com>
12633 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12635 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12636 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12639 2006-01-10 Ben Elliston <bje@au.ibm.com>
12641 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12643 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12644 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12645 (USE_FP_FOR_ARG): Reject decimal float modes.
12646 (function_arg_advance): Likewise.
12647 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12648 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12649 point types in AltiVec vectors.
12650 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12651 (rs6000_libcall_value): Likewise.
12653 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12655 * config/xtensa/ieee754-df.S: New file.
12656 * config/xtensa/ieee754-sf.S: New file.
12657 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12658 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12659 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12661 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12663 * config/sh/predicates.md (binary_float_operator,
12664 binary_logical_operator, commutative_float_operator,
12665 equality_comparison_operator, greater_comparison_operator,
12666 less_comparison_operator, logical_operator,
12667 noncommutative_float_operator, shift_operator,
12668 symbol_ref_operand, unary_float_operator): Remove redundant
12671 2006-01-09 Jeff Law <law@redhat.com>
12673 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12674 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12675 now unused arguments. Callers updated.
12676 (eliminate_redundant_computations): Remove now unused arguments,
12678 (local_fold): Remove, no longer used.
12679 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12681 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12682 (simplify_cond): New function.
12683 (forward_propagate_into_cond): Call simplify_cond.
12685 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12687 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12688 (*vec_extractv2di_1_sse): New.
12690 2006-01-09 Ben Elliston <bje@au.ibm.com>
12692 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12694 2006-01-08 Richard Guenther <rguenther@suse.de>
12696 * tree-ssa-structalias.c (get_constraint_for): Remove
12697 anyoffset argument.
12698 (get_constraint_for_component_ref): Likewise.
12699 (do_deref): Likewise.
12700 (get_constraint_for): Likewise.
12701 (do_structure_copy): Likewise.
12702 (handle_ptr_arith): Likewise.
12703 (find_func_aliases): Likewise. Remove unused need_anyoffset
12706 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12707 Kaz Kojima <kkojima@gcc.gnu.org>
12709 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12710 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12711 (EXTRA_CONSTRAINT_C16): Remove.
12712 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12713 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12714 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12715 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12716 constants of SHmedia. Handle nested constant expressions of
12718 (andcosts): Fix the costs for SHmedia constants.
12719 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12720 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12721 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12722 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12723 (movv4hi_i, movv2si_i): Likewise.
12724 (movsi_const): Adjust the second operand of ior so to match with
12725 the Csu constraint.
12726 (movdi_const, movdi_const_32bit): Likewise.
12727 (movdi_const_16bit+1): Don't sign-extend LOW.
12728 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12730 (*double_shori): Fix the split condition. Use GEN_INT instead
12731 of get_int_mode calls. Mask lower 16-bit of the argument of
12733 (sym2GOTPLT): Remove.
12734 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12736 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12737 instead of EXTRA_CONSTRAINT_C16.
12739 2006-01-07 Ian Lance Taylor <ian@airs.com>
12740 David Edelsohn <edelsohn@gnu.org>
12742 PR rtl-optimization/25662
12743 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12744 for constant operands instead of simplify_gen_binary.
12745 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12746 after trying simplify_binary_operation
12748 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12750 * tree.c (iterative_hash_expr): Hash decls based on UID.
12752 2006-01-06 Eric Christopher <echristo@apple.com>
12754 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12755 (TARGET_UNWIND_EMIT): Fix spelling.
12756 * target.h (gcc_target): Add except_table_label.
12757 * except.c (output_function_exception_table): Use.
12758 * varasm.c (default_emit_except_table_label): New.
12759 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12761 (asm_out): Add here.
12762 * output.h (default_emit_except_table_label): Prototype.
12763 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12764 * config/darwin.c (darwin_emit_except_table_label): Define.
12765 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12767 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12769 PR tree-optimization/18527
12770 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12771 number_of_iterations_special, number_of_iterations_exit):
12772 Move base and step of an iv to a single structure. Add
12773 no_overflow flag, and use it in # of iterations analysis.
12774 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12775 folded_casts argument.
12776 (simple_iv): Pass base and step in a structure. Set no_overflow
12778 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12779 Evaluate expensiveness of computing # of iterations instead of
12780 the final expression.
12781 * tree-scalar-evolution.h (affine_iv): New structure.
12782 (simple_iv): Declaration changed.
12783 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12784 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12785 find_givs_in_stmt): Changed due to simple_iv change.
12787 2006-01-06 Jeff Law <law@redhat.com>
12790 * tree-cfg.c (bsi_replace): Rename final argument from
12791 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12792 change (stmt -> orig_stmt).
12793 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12794 (bsi_remove): Add new argument. Remove EH information
12796 (verify_eh_throw_table_statements): New function.
12797 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12799 * tree-optimize.c (execute_free_cfg_annotations): Verify
12800 the EH throw statement table after removing annotations.
12801 * except.h (verify_eh_throw_table_statements): Prototype.
12802 * tree-flow.h (bsi_remove): Update prototype.
12803 * tree-vrp.c (remove_range_assertions): Add new argument to
12805 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12806 * tree-complex.c (expand_complex_div_wide): Likewise.
12807 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12808 * tree-tailcall.c (eliminate_tailcall): Likewise.
12809 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12810 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12811 * tree-nrv.c (tree_nrv): Likewise.
12812 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12813 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12814 (combine_blocks): Likewise.
12815 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12816 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12817 (cleanup_control_flow): Likewise.
12818 (remove_forwarder_block): Likewise.
12819 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12820 * tree-sra.c (sra_replace): Likewise.
12821 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12822 (forward_propagate_single_use_vars): Likewise.
12823 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12824 * tree-inline.c (expand_call_inline): Likewise.
12825 * tree-vect-transform.c (vect_transform_loop): Likewise.
12826 * tree-outof-ssa.c (rewrite_trees): Likewise.
12827 * tree-cfg.c (make_goto_expr_edges): Likewise.
12828 (cleanup_dead_labels): Likewise.
12829 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12830 (bsi_move_before, bsi_move_after): Likewise.
12831 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12832 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12834 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12837 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12839 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12840 on non gimple variables. Also add checks at the top for decls and
12842 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12844 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12845 and IMAGPART_EXPR for creating MUST_DEFs.
12846 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12847 and NAME_MEMORY_TAG separately from the DECLs.
12849 2006-01-06 Richard Guenther <rguenther@suse.de>
12851 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12852 annotation, if necessary.
12853 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12854 redundant calls to update_stmt.
12855 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12858 2006-01-05 Richard Henderson <rth@redhat.com>
12860 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12862 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12864 * c-typeck.c: Update copyright date.
12866 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12868 * c-typeck.c (build_c_cast): Always warn when casting
12869 from a pointer to an integer of different size, even if
12870 the node was constant.
12872 2006-01-05 Richard Guenther <rguenther@suse.de>
12874 PR tree-optimization/22555
12875 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12876 if one structure field is an array.
12877 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12878 operands even if we found a subvar, but ignore VOPs in this
12880 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12882 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12884 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12886 PR middle-end/24998
12887 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12889 2006-01-05 Richard Guenther <rguenther@suse.de>
12890 Diego Novillo <dnovillo@redhat.com>
12892 * tree-pass.h (TODO_remove_unused_locals): Define.
12893 * gimple-low.c (expand_var_p, remove_useless_vars,
12894 pass_remove_useless_vars): Remove. Update all users.
12895 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12896 (remove_unused_locals): New function.
12897 * tree-flow.h (remove_unused_locals): Declare.
12898 * passes.c (execute_todo): Call remove_unused_locals if
12899 TODO_remove_unused_locals is set.
12900 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12901 * tree-ssa-dce.c (pass_dce): Likewise.
12902 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12904 2006-01-05 Richard Guenther <rguenther@suse.de>
12906 * tree-flow.h (struct fieldoff): Decompose field to
12907 type, size and decl.
12908 * tree-ssa-alias.c (create_sft): Take type as parameter.
12909 (create_overlap_variables_for): Store type, size and decl
12910 in the fieldoff structure.
12911 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12912 of struct fieldoff.
12913 (push_fields_onto_fieldstack): Likewise.
12914 (create_variable_info_for): Likewise. Use offset for the
12915 SFT name if the decl is not available.
12917 2006-01-04 Paul Brook <paul@codesourcery.com>
12919 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12921 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12923 * lambda-code.c (can_put_in_inner_loop): Relax
12925 (can_put_after_inner_loop): New function.
12926 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12927 (perfect_nestify): Change to make copies and modify uses.
12929 2006-01-04 Richard Henderson <rth@redhat.com>
12931 Merge from gomp branch:
12932 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12933 via integer constant.
12934 (pragma_lex): Remove.
12935 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12936 rather than parsing it.
12937 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12938 handle_pragma_extern_prefix): Add %< %> quotes.
12939 (registered_pragmas): New.
12940 (c_register_pragma_1): New.
12941 (c_register_pragma): Use it.
12942 (c_register_pragma_with_expansion): Likewise.
12943 (c_invoke_pragma_handler): New.
12944 (init_pragma): Use cpp_register_deferred_pragma directly for
12946 * c-pragma.h (enum pragma_kind): New.
12947 (pragma_handler): New.
12948 (c_invoke_pragma_handler): Declare.
12949 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12951 * c-common.h (c_common_pch_pragma): Update decl.
12952 * Makefile.in (c-parser.o): Update dependencies.
12953 (GTFILES): Add c-pragma.h.
12954 * c-parser.c (struct c_token): Add pragma_kind.
12955 (struct c_parser): Add in_pragma.
12956 (c_lex_one_token): Always initialize keyword and pragma_kind.
12957 Extract data for CPP_PRAGMA.
12958 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12959 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12960 Don't allow CPP_PRAGMA_EOL if in_pragma.
12961 (c_parser_consume_pragma): New.
12962 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12963 (c_parser_skip_to_end_of_parameter): Likewise.
12964 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12965 (c_parser_skip_to_pragma_eol): New.
12966 (c_parser_external_declaration): Handle CPP_PRAGMA.
12967 (c_parser_compound_statement_nostart): Likewise.
12968 (c_parser_statement_after_labels): Likewise.
12969 (c_parser_pragma): New.
12970 (pragma_lex): Likewise.
12971 (c_parser_pragma_pch_preprocess): New.
12972 (c_parser_new): Merge into ...
12973 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12975 2006-01-04 Jeff Law <law@redhat.com>
12978 * tree-cfg.c (bsi_replace): Remove the original statement
12979 from the EH throw statement table.
12981 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12983 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12984 make the prototype extern "C" and add throw ().
12987 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12988 and pos non-negative and pos + len <= 32.
12989 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12990 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12991 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12994 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12995 as well as sizes not multiple of component size.
12998 * function.c (instantiate_expr): New function.
12999 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13000 walk its DECL_VALUE_EXPR with instantiate_expr.
13002 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13003 DW_OP_deref{,_size} if address isn't going to be added.
13005 2006-01-04 Ben Elliston <bje@au.ibm.com>
13007 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13008 * config/fp-bit.c: Likewise.
13010 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13012 * dominance.c: Add comment about why we use DFS numbering
13015 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13016 Richard Henderson <rth@redhat.com>
13018 Merge from gomp-branch:
13019 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13020 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13022 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13024 PR rtl-optimization/25578
13025 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13026 pass a parameter to simplify_shift_const if changing ASHIFTRT
13029 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13031 * builtins.c (get_builtin_sync_mem): New function.
13032 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13033 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13034 Call get_builtin_sync_mem to generate mem rtx.
13036 2006-01-03 Richard Guenther <rguenther@suse.de>
13039 * stmt.c (add_case_node): Make sure to clear overflow flags
13042 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13044 Merge from gomp-branch.
13045 * config/sparc/sync.md: New file.
13046 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13047 UNSPECV_LDSTUB): New constants.
13048 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13049 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13050 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13053 2006-01-03 Roger Sayle <roger@eyesopen.com>
13055 * combine.c (reg_subword_p): New predicate to test whether the
13056 destination of a set refers to a subword/piece of a register.
13057 (try_combine): Generalize the code to merge the setting of a
13058 pseudo to a constant followed by a set of a subword of that
13059 register to a constant.
13061 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13063 * basic-block.h (control_flow_graph): Change the type of
13064 x_label_to_block_map to VEC(basic_block,gc) *.
13065 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13066 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13068 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13069 VEC(basic_block,heap) *.
13070 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13071 ssa_prop_fini): Adjust the uses of cfg_blocks.
13073 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13075 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13077 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13078 hashing trees instead of a pointer hash.
13079 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13080 compare for MEM_EXPR.
13082 PR rtl-optimization/25130
13083 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13084 when comparing MEMs for GCSE
13086 2006-01-03 Ben Elliston <bje@au.ibm.com>
13088 * targhooks.h (default_decimal_float_supported_p): Declare.
13089 * targhooks.c (default_decimal_float_supported_p): Define.
13090 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13091 `default_decimal_float_supported_p'.
13092 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13094 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13096 * combine.c (apply_distributive_law <SUBREG>): Check
13097 TRULY_NOOP_TRUNCATION.
13099 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13101 * dwarf2out.c (have_switched_text_section): Delete.
13102 (have_multiple_function_sections): New.
13103 (have_location_lists): Make 'bool'.
13104 (add_AT_loc_list): Use 'true' not '1'.
13105 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13106 (output_loc_list): Use have_multiple_function_sections.
13107 (output_ranges): Likewise.
13108 (dwarf2out_begin_function): Set have_multiple_function_sections if
13110 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13111 Check function_section rather than DECL_SECTION_NAME.
13112 (dwarf2out_finish): Use have_multiple_function_sections.
13113 Don't clear have_location_lists.
13115 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13116 Jan Hubicka <jh@suse.cz>
13118 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13119 case of conditional jump jumping to the next instruction.
13120 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13121 cases of conditional jump jumping to the next instruction.
13123 2006-01-02 Jan Hubicka <jh@suse.cz>
13125 * i386.c (*_cost): Add COSTS_N_INSNS.
13126 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13128 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13131 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13133 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13135 * config/arm/arm.c (all_fpus): Fix comment typo.
13136 * config/darwin.c: Likewise.
13137 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13138 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13139 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13141 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13143 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13144 (rs6000_split_compare_and_swapqhi): New.
13145 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13146 (sync_compare_and_swapqhi_internal): New.
13147 * config/rs6000/rs6000-protos.h: Declare.