1 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5 x < 19, vs wchar_t support.
7 2006-07-12 Nick Clifton <nickc@redhat.com>
9 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
12 2006-07-12 Mike Stump <mrs@apple.com>
15 * c-parser.c (c_parser_typeof_specifier): Don't use
16 c_finish_expr_stmt, open code desired semantics instead.
18 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
20 2006-07-10 Eric Christopher <echristo@apple.com>
22 * config/t-slibgcc-darwin: Rewrite.
24 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
27 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
30 2006-07-08 Matthias Klose <doko@debian.org>
32 * doc/sourcebuild.texi: Fix typo.
34 2006-07-07 Mike Stump <mrs@apple.com>
36 * toplev.c (process_options): Don't give -ffunction-sections may
37 affect debugging warning for Mach-O.
39 2006-07-07 James E Wilson <wilson@specifix.com>
41 * config/mips/mips.md (cpu): Add sb1a.
42 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
43 addition to sb1. Adjust comments to clarify SB-1A differences from
45 (ir_sb1a_load): New. Modify bypasses to use it.
46 (ir_sb1a_simple_alu): Likewise.
47 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
48 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
49 (mips_issue_rate): Add PROCESSOR_SB1A.
50 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
51 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
52 (TARGET_SB1): Add PROCESSOR_SB1A check.
55 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
56 * config/mips/mips.c (mips_store_data_bypass_p): New.
57 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
60 2006-07-08 Paul Brook <paul@codesourcery.com>
63 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
65 2006-07-07 Richard Guenther <rguenther@suse.de>
68 * tree.h (build_one_cst): Declare.
69 * tree.c (build_one_cst): New function.
70 * tree-ssa-math-opts.c (get_constant_one): Remove.
71 (insert_reciprocals): Use build_one_cst.
72 * fold-const.c (fold_plusminus_mult): Likewise.
74 2006-07-07 Roger Sayle <roger@eyesopen.com>
76 * pointer-set.c (pointer_set_destroy): Correct whitespace.
77 * cfgloopanal.c (dump_graph): Likewise.
78 * dojump.c (discard_pending_stack_adjust): Likewise.
79 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
81 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
82 * function.c (finalize_block_changes): Likewise.
83 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
84 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
85 * rtl.c (dump_rtx_statistics): Likewise.
86 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
88 * varray.c (dump_varray_statistics): Likewise.
89 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
90 decode_decimal64, encode_decimal128, decode_decimal128,
91 decimal_real_to_decimal): Likewise.
93 2006-07-07 Richard Guenther <rguenther@suse.de>
95 PR tree-optimization/28187
96 * tree-vrp.c (vrp_operand_equal_p): New function.
97 (vrp_bitmap_equal_p): Likewise.
98 (update_value_range): Use them to compare old and new
101 2006-07-06 Roger Sayle <roger@eyesopen.com>
103 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
104 a default case to switch statement to silence compiler warnings.
106 2006-07-06 Roger Sayle <roger@eyesopen.com>
109 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
110 the configured assembler supports the x87's ffreep mnemonic.
111 * configure: Regenerate.
112 * config.in: Regenerate.
114 * config/i386/i386.c (output_387_ffreep): New function.
115 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
116 (output_387_reg_move): Likewise.
118 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
120 Port to hosts whose 'sort' and 'tail' implementations
121 treat operands with leading '+' as file names, as POSIX
122 has required since 2001. However, make sure the code still
123 works on pre-POSIX hosts.
124 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
125 which says you should use "tail -c +N" rather than "tail +Nc".
126 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
128 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
130 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
133 2006-07-06 David Edelsohn <edelsohn@gnu.org>
136 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
137 PRE_{INC,DEC} of TFmode.
139 2006-07-06 David Edelsohn <edelsohn@gnu.org>
140 Alan Modra <amodra@bigpond.net.au>
143 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
146 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
149 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
150 Remove duplicate gtu.
152 2006-07-05 Jason Merrill <jason@redhat.com>
156 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
157 * c-common.c (handle_packed_attribute): So don't copy it here.
158 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
160 2006-07-05 Mike Stump <mrs@apple.com>
162 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
164 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
167 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
169 2006-07-05 Richard Guenther <rguenther@suse.de>
172 * config/i386/i386.md (*negdf2_1): Restrict pattern to
173 TARGET_SSE2 targets if using SSE math.
174 (*absdf2_1): Likewise.
176 2006-07-05 Richard Guenther <rguenther@suse.de>
178 PR tree-optimization/28162
179 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
180 make sure to convert the operands to the correct type.
182 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
184 PR tree-optimization/28218
186 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
187 to calculate and free the dominator information.
189 2006-07-04 Peter O'Gorman <peter@pogma.com>
191 * mklibgcc.in: chmod 644 before ranlib during install.
193 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
194 J"orn Rennecke <joern.rennecke@st.com>
196 * configure.ac (.eh_frame data check): Use diff -b.
198 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
201 * Makefile.in (BUILD_RTL): Add build/vec.o.
202 (build/gencondmd.o): Filter out -fkeep-inline-functions.
203 (build/genextract): Delete.
204 (build/genautomata): Likewise.
206 2006-07-04 Alan Modra <amodra@bigpond.net.au>
209 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
210 128-bit IBM long doubles for ABI_V4.
212 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
214 * tree.c (range_in_array_bounds_p): New predicate.
215 * tree.h (range_in_array_bounds_p): Declare it.
216 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
217 return a less conservative answer.
218 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
220 (IS_ELEMENT_FOR_GROUP): New macro.
221 (FOR_EACH_ACTUAL_CHILD): Likewise.
222 (next_child_for_group): New helper function.
223 (can_completely_scalarize_p): Take into account groups.
224 (sra_hash_tree): Handle RANGE_EXPR.
225 (sra_elt_eq): Likewise.
226 (lookup_element): Be prepared for handling groups.
227 (is_valid_const_index): Delete.
228 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
229 instead of is_valid_const_index.
230 <ARRAY_RANGE_REF>: New case.
231 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
232 is_valid_const_index.
233 <ARRAY_RANGE_REF>: Do not unconditionally punt.
234 (scan_dump): Dump info for groups too.
235 (decide_instantiation_1): Likewise.
236 (decide_block_copy): Assert that the element is not a group.
237 Propagate decision to groups.
238 (generate_one_element_ref): Handle RANGE_EXPR.
239 (mark_no_warning): Iterate over actual childs.
240 (generate_copy_inout): Likewise.
241 (generate_element_copy): Likewise.
242 (generate_element_zero): Likewise.
243 (generate_element_init_1): Likewise.
244 (dump_sra_elt_name): Handle RANGE_EXPR.
246 2006-07-03 Roger Sayle <roger@eyesopen.com>
248 PR tree-optimization/26251
249 * tree-ssa-threadupdate.c (redirection_block_p): New function.
250 (thread_block): When optimizing for size refuse to thread jumps
251 that would require duplication of blocks other than redirection
254 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
256 * configure.ac: Fix thinko in previous check-in.
257 * configure: Regenerate.
259 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
262 * configure.ac (for lang...): Simplify nesting of conditionals.
263 Test subdir_requires for non-enabled languages. Move processing
264 of lang_opt_files and lang_tree_fiels below that test.
265 * configure: Regenerate.
266 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
268 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
270 * doc/gcov.texi (Invoking Gcov): Add a missing word.
272 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
274 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
277 2006-06-29 Jason Merrill <jason@redhat.com>
284 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
285 * c-common.c (c_determine_visibility): Handle it here.
286 * c-decl.c (finish_decl): Call c_determine_visibility for
288 * flags.h (enum symbol_visibility): Sort from most to least visibility.
290 * varasm.c (default_assemble_visibility): Likewise.
291 * c-common.c (handle_visibility_attribute): Complain about trying
292 to give visibility to an already defined class, or trying to change
293 declared visibility. Always attach the attribute.
298 * attribs.c (decl_attributes): Ignore type-in-place attributes
299 once the type has been defined.
301 2006-06-29 Roger Sayle <roger@eyesopen.com>
304 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
305 to indicate the cpplib has issued an error message for us.
307 2006-06-29 Asher Langton <langton2@llnl.gov>
310 * config/i386/i386.c (ix86_output_function_epilogue): Don't
311 insert a label at the end of an function under Mach-O.
313 2006-06-29 Eric Christopher <echristo@apple.com>
314 Evan Cheng <evan.cheng@apple.com>
316 * predicates.md (vector_all_ones_operand): New.
317 (nonimmediate_or_sse_const_operand): Ditto.
318 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
319 * config/i386/i386.c (standard_sse_constant_opcode): Define.
320 (standard_sse_mode_p): Ditto.
321 (standard_sse_constant_p): Add case for -1 vector.
322 (ix86_expand_vector_move): Try to use.
323 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
324 Call standard_sse_constant_opcode.
325 (*movv4sf_internal): Ditto.
326 (*movv2df_internal): Ditto.
328 2006-06-29 Roger Sayle <roger@eyesopen.com>
330 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
331 of XEXP to extract the operands of a MATCH_CODE rtx.
333 2006-06-28 Andrew Pinski <pinskia@gmail.com>
335 * tree.c (tree_size): Do not waste tail padding in
336 struct tree_string and make the size be the same as
337 build_string will generate.
339 2006-06-28 Jason Merrill <jason@redhat.com>
342 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
343 may_aliases already in the tag's annotations to the bitmap.
345 2006-06-28 Roger Sayle <roger@eyesopen.com>
347 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
349 2006-06-28 Roger Sayle <roger@eyesopen.com>
351 * genpreds.c (generate_switch_p): New function.
352 (add_mode_tests): Push the new mode test down inside an AND expr
353 if this allows the switch-suitable MATCH_CODE to be near the root.
354 (write_match_code_switch): New function to write a MATCH_CODE as
356 (write_predicate_stmts): New function to write a predicate RTX
357 expression as a sequence of statements.
358 (write_one_predicate_function): Use write_predicate_stmts.
359 (write_tm_constrs_h): Likewise.
361 2006-06-26 Fred Fish <fnf@specifix.com>
363 * config/mips/t-sb1: New file.
364 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
367 2006-06-26 DJ Delorie <dj@redhat.com>
369 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
371 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
372 Jayant Sonar <jayants@kpitcummins.com>
373 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
375 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
376 (subsi3, subsi3_1, subsi3_2): New.
377 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
378 * config/m32c/mov.md (SI mov peephole): New.
379 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
380 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
382 2006-06-26 Olivier Hainque <hainque@adacore.com>
384 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
385 a CALL_EXPR target function declaration.
387 2006-06-26 Richard Guenther <rguenther@suse.de>
389 * tree.c (build_string): Do not waste tail padding in
392 2006-06-26 Richard Guenther <rguenther@suse.de>
394 * ggc-page.c (init_ggc): Add missing element to size_lookup
398 2006-06-23 Richard Guenther <rguenther@suse.de>
400 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
401 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
402 alignment requests instead. Add verification code.
403 Add struct tree_function_decl and struct tree_binfo size to
404 extra_order_size_table. Add missing element to size_lookup
407 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
410 * fold-const.c (const_binop): Be prepared for self returning zero.
411 Simplify code handling complex values.
413 2006-06-24 Olivier Hainque <hainque@adacore.com>
415 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
416 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
419 2006-06-24 Olivier Hainque <hainque@adacore.com>
421 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
422 ARRAY_REF, so have the callback called for the low bound expression.
424 2006-06-23 Janis Johnson <janis187@us.ibm.com>
426 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
427 * c-typeck.c (c_common_type): Disallow operations on decimal float
428 types and other float types.
429 * convert.c (convert_to_real): Don't ignore conversions involving
432 2006-06-23 Olivier Hainque <hainque@adacore.com>
434 * tree.c (max_int_size_in_bytes): New function, inspired from
435 code in function.c:assign_temp.
436 * tree.h (max_int_size_in_bytes): Declare.
437 * function.c (assign_temp): Use it.
438 * gimplify.c (create_tmp_var): Relax the assertions on the type
439 properties, not mandating constant size any more.
440 (force_constant_size): New static function.
441 (gimple_add_tmp_var): Use it, forcing variable size to a
442 constant upper bound if it is not constant on entry.
444 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
447 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
448 for initialization and setting of one_only flag to ...
449 (i386_pe_encode_section_info): ...here.
450 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
451 Recheck that the symbol has not been defined.
453 2006-06-23 Richard Guenther <rguenther@suse.de>
455 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
456 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
457 alignment requests instead. Add verification code.
458 Add struct tree_function_decl and struct tree_binfo size to
459 extra_order_size_table. Add missing element to size_lookup
462 2006-06-22 Roger Sayle <roger@eyesopen.com>
463 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
466 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
467 call to lang_hooks.types.type_for_mode returned NULL_TREE.
469 2006-06-23 Ben Elliston <bje@au.ibm.com>
471 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
472 negate dn -- manipulate it directly.
474 2006-06-22 Roger Sayle <roger@eyesopen.com>
475 Steven Bosscher <stevenb.gcc@gmail.com>
478 * reload1.c (gen_reload): Call mark_jump_label on the new insns
479 generated by gen_move_insn to add REG_LABEL notes if necessary.
481 2006-06-22 Bob Wilson <bob.wilson@acm.org>
483 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
484 (leaf_entry): Remove use of MIN_ESA.
486 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
488 PR rtl-optimization/28121
489 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
492 2006-06-21 DJ Delorie <dj@redhat.com>
494 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
496 (mulhisi3_r): Likewise.
498 2006-06-21 Richard Sandiford <richard@codesourcery.com>
501 * coverage.c (coverage_counter_alloc): Leave the index type
503 (coverage_counter_alloc): Use null arguments for operands 2 and 3
506 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
508 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
509 section from the "Options for Code Generation Conventions".
511 2006-06-21 Richard Henderson <rth@redhat.com>
515 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
517 (global_symbolic_operand): Allow weak symbols, even if local_p.
519 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
521 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
522 (find_interesting_uses_address): Punt if above function returns true.
524 2006-06-21 Richard Guenther <rguenther@suse.de>
526 * configure: Regenerated.
528 2006-06-21 Joseph Myers <joseph@codesourcery.com>
530 * config/mips/mips.c (function_arg): Where one part of a
531 complex argument is in registers and the other part in the stack,
532 return a REG not a PARALLEL.
534 2006-06-21 Mark Mitchell <mark@codesourcery.com>
536 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
537 when cross-compiling. Do not substitute libstdcxx_incdir.
538 * configure: Regenerated.
540 2006-06-21 Jakub Jelinek <jakub@redhat.com>
542 * varasm.c (mergeable_string_section): Check for embedded NULs and
543 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
544 rather than TREE_STRING_LENGTH bytes.
546 2006-06-21 Richard Guenther <rguenther@suse.de>
548 * ggc-page.c (extra_order_size_table): Add var_ann_d,
549 tree_ssa_name, bitmap_element and phi_node with 4 arguments
552 2006-06-21 Richrad Guenther <rguenther@suse.de>
554 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
555 Limit iteration over the dominators.
557 2006-06-20 Roger Sayle <roger@eyesopen.com>
559 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
560 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
562 2006-06-20 Richard Guenther <rguenther@suse.de>
563 Michael Matz <matz@suse.de>
565 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
567 * alloc-pool.c (free_alloc_pool_if_empty): New function.
568 * et-forest.h (et_free_pools): Prototype new function.
569 * et-forest.c (et_free_tree_force): Free parent occurrence.
570 (et_free_pools): New function.
571 * dominance.c (free_dominance_info): Free et-forest alloc
574 2006-06-20 Roger Sayle <roger@eyesopen.com>
576 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
577 integer modes, attempt to directly construct an integer constant.
579 * fold-const.c (native_encode_vector): Determine the size of each
580 element from the vector type instead of the first vector element.
582 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
583 if all of its elements/components are constant.
584 (build_constructor_from_list): Likewise.
586 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
588 PR tree-optimization/27331
589 * tree-data-ref.c (free_data_ref): New function.
590 (create_data_ref): Fail if the data reference has unknown access
592 (free_data_refs): Use free_data_ref.
594 2006-06-19 Andrew Pinski <pinskia@gmail.com>
597 * tree-inline.c (setup_one_parameter): Strip useless
598 type conversion before adding it to the IR.
599 (declare_return_variable): Likewise.
601 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
604 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
606 2006-06-19 Mike Stump <mrs@apple.com>
608 * tree.c (variably_modified_type_p): VM arguments don't make the
611 2006-06-19 Richard Guenther <rguenther@suse.de>
613 * tree-ssa-pre.c (try_combine_conversion): Strip useless
614 type conversions after folding.
616 2006-06-19 Richard Guenther <rguenther@suse.de>
618 * ggc-page.c (extra_order_size_tab): Add entries with
619 size of struct function and basic_block.
620 (size_lookup): Extend to cover sizes up to 511.
621 (ggc_alloc_stat): Adjust user.
622 (ggc_pch_count_object): Likewise.
623 (ggc_pch_alloc_object): Likewise.
624 (ggc_pch_write_object): Likewise.
626 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
628 * tree-ssa-loop-niter.c (implies_ge_p): New function.
629 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
632 2006-06-19 Denis Chertykov <denisc@overta.ru>
634 * config/avr/libgcc.S : Correct my wrong previous commit.
636 2006-06-19 Roger Sayle <roger@eyesopen.com>
639 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
640 have stripped a SUBREG from the shift count, so we may need to
641 convert_to_mode back to the type's mode before calling make_tree.
642 Use new_amount instead of amount to avoid expanding a tree twice.
644 2006-06-19 Richard Guenther <rguenther@suse.de>
647 * fold-const.c (operand_equal_p): Check if the argument types
648 have the same precision before stripping NOPs.
650 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
652 Fix PR tree-optimization/27341
653 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
655 * tree-complex.c (pass_lower_complex): Update SMT usage.
657 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
659 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
660 Add a new alternative to the constraint strings. Add move of
661 operand 1 to 3 to the splitter definition.
662 ("doloop_si_long"): Second contraint alternative removed.
664 2006-06-08 Anatoly Sokolov <aesok@post.ru>
666 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
667 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
669 (AVR_HAVE_MOVW) Define.
670 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
671 (ASM_SPEC): Add avr25.
672 (LINK_SPEC): Add avr25.
673 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
674 (base_arch_s): Add new member 'have_movw_lpmx'.
675 (avr_arch_types): Init 'have_movw_lpmx'.
676 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
677 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
678 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
679 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
680 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
682 (avr_file_start): Do not output '.arh' derective.
683 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
684 (__do_copy_data): Use __AVR_HAVE_LPMX__.
685 * config/avr/avr.md (mcu_enhanced): Delete.
686 (mcu_have_movw): Define.
687 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
688 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
689 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
690 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
691 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
692 attiny861 and at86rf401 devices.
694 2006-06-18 Jie Zhang <jie.zhang@analog.com>
696 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
699 2006-06-17 Karl Berry <karl@gnu.org>
701 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
702 doc/gccint.texi, doc/install.texi (@dircategory): Use
703 "Software development" instead of "Programming", following
704 the Free Software Directory.
706 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
708 * config/i386/i386.c (legitimate_tls_address)
709 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
710 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
711 (*tls_dynamic_gnu2_combine_64): Likewise.
713 2006-06-16 Richard Guenther <rguenther@suse.de>
716 * fold-const.c (negate_expr_p): Do not introduce undefined
717 overflow in negating INTEGER_CSTs.
718 (fold_negate_expr): Rename from negate_expr. Revert last
719 change for folding BIT_NOT_EXPR. Change semantics to
720 return NULL_TREE for non-simplified negations. Do not
721 strip type conversions and unify type handling.
722 (negate_expr): New function, wrap around fold_negate_expr
723 but ensure building a tree always. Strip type conversions
724 here, fold to result type.
725 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
727 2006-06-16 Roger Sayle <roger@eyesopen.com>
730 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
731 that (would) return their results in stack registers.
733 2006-06-16 Michael Matz <matz@suse.de>
734 Richard Guenther <rguenther@suse.de>
736 * fold-const.c (fold_truthop): Only return new tree node if
737 we canonicalized something.
739 2006-06-16 Richard Guenther <rguenther@suse.de>
741 * function.h (enum function_frequency): Move declaration
742 out of struct function.
743 (struct function): Move bool fields and the enum to the bitfield
744 section. Reorder elements to avoid padding. Remove unused
745 fields left over from the RTL inliner removal.
746 * function.c (free_after_compilation): Do not zero removed fields.
747 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
748 (ipa-type-escape.o): Likewise.
750 2006-06-16 Richard Guenther <rguenther@suse.de>
752 * cgraph.h (struct cgraph_local_info): Turn bool elements
754 (struct cgraph_node): Likewise.
755 (struct cgraph_varpool_node): Likewise.
757 2006-06-15 Richard Guenther <rguenther@suse.de>
759 * fold-const.c (fold_truth_not_expr): Rename from
760 invert_truthvalue. Give it fold_* semantics to avoid
762 (invert_truthvalue): New function. Wrapper around
764 (optimize_minmax_comparison): Avoid creating garbage.
765 (fold_unary): Use fold_truth_not_expr for folding
767 (fold_ternary): Replace uses of invert_truthvalue with
768 fold_truth_not_expr where applicable.
769 * tree.h (fold_truth_not_expr): Prototype.
771 2006-06-16 Richard Guenther <rguenther@suse.de>
773 PR tree-optimization/27781
774 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
775 * ipa-pure-const.c (target.h): Include.
776 (analyze_function): Do not analyze functions that do not
779 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
782 * tree-dfa.c (referenced_vars_dup_list): Remove.
783 (find_referenced_vars): Remove assert.
784 (referenced_var_check_and_insert): Replace dup list with assert.
785 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
786 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
788 2006-06-15 Richard Guenther <rguenther@suse.de>
790 * tree-ssa-structalias.c (alias_get_name): Avoid creating
791 extra unused identifiers if not dumping.
792 (create_variable_info_for): Likewise.
794 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
796 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
797 (derive_constant_upper_bound): Derive more precise upper bound in
798 common cases. Return type changed to double_int.
799 (record_estimate): Reflect the changed return type of
800 derive_constant_upper_bound.
801 * double-int.c (double_int_zext, double_int_sext): Fix.
803 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
805 * configure.ac (CFLAGS): Get them from the toplevel or from the
806 configure invocation.
807 * configure: Regenerate.
808 * Makefile.in (CFLAGS): Substitute value provided by configure.
810 2006-06-14 Mark Mitchell <mark@codesourcery.com>
813 * c-common.h (c_finish_omp_atomic): Adjust declaration.
814 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
815 rather than calling add_stmt on it.
816 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
818 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
821 * reload1.c (reload): Remove registers returned by update_eliminables
822 from used_spill_regs.
824 2006-06-13 DJ Delorie <dj@redhat.com>
826 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
828 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
830 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
831 html__strip_dir, html__mkdir_p. Enhance install-html target.
832 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
833 * configure: Regenerate.
835 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
837 * fold-const.c (fold_cond_expr_with_comparison): Check for
838 Objective-C++ as language in deciding COND_EXPR transformation.
840 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
843 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
844 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
845 * config/sh/lib1funcs.h (SL, SL1): Define.
846 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
847 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
848 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
849 (OBJS_Os_4_200): New variable.
850 ($(T)libgcc-Os-4-200.a): Use it.
851 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
852 when dividing 1 and/or by 0.
854 2006-06-13 Roger Sayle <roger@eyesopen.com>
856 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
857 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
858 * configure: Regenerate.
860 2006-06-13 Jie Zhang <jie.zhang@analog.com>
862 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
863 for real instruction.
865 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
868 * haifa-sched.c (check_cfg): Handle special case.
870 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
873 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
874 Add debug_info parameter. Chain the vars to the BLOCK instead
875 of the BIND_EXPR if debug info are requested for them.
876 (pop_gimplify_context): Adjust for above change.
877 (gimple_add_tmp_var): Likewise.
878 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
880 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
881 (convert_local_reference): Likewise.
882 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
883 (finalize_nesting_tree_1): Request that debug info be emitted
886 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
888 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
891 2006-06-13 Richard Guenther <rguenther@suse.de>
894 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
896 2006-06-13 Richard Guenther <rguenther@suse.de>
898 PR tree-optimization/27830
899 * tree-inline.c (copy_body_r): For copying the operand
900 of an ADDR_EXPR make sure to fold &* afterwards.
902 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
904 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
905 lvalues in the fb_none case with side-effects.
907 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
909 * tree-flow.h: Remove the prototype for
910 compute_phi_arg_on_exit.
911 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
912 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
915 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
917 * builtins.c (expand_builtin_return_addr): Only use
918 frame_pointer_rtx when count == 0 and we are expanding
919 __builtin_return_address.
921 2006-06-12 Fred Fish <fnf@specifix.com>
923 * config/mips/mips.c (mips_file_start): Create special section
924 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
926 2006-06-11 Eric Christopher <echristo@apple.com>
929 * stor-layout.c (place_field): Remove check for
930 remaining_in_alignment when aligning at the end of a run.
932 2006-06-11 Eric Christopher <echristo@apple.com>
935 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
938 2006-06-11 Roger Sayle <roger@eyesopen.com>
941 Revert incorrect fix for PR target/27158
942 2006-05-08 Roger Sayle <roger@eyesopen.com>
943 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
944 of a reg_equiv_constant if the result is a legitimate constant.
946 2006-06-11 Roger Sayle <roger@eyesopen.com>
949 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
950 extract a CONST_VECTOR element and interpret it as an integer.
951 (vspltis_constant): Use const_vector_elt_as_int instead of the
952 macro CONST_VECTOR_ELT in order to handle FP vector modes.
953 * config/rs6000/predicates.md (easy_vector_const): Consider
954 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
956 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
959 * stor-layout.c (update_alignment_for_field): Don't add extra
960 alignment for packed non-bitfield fields in ms_bitfield_layout_p
963 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
965 * config/mips/t-rtems: Add EL/EB multilib variants.
967 2006-06-09 Mike Stump <mrs@apple.com>
969 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
971 2006-06-09 David Daney <ddaney@avtrex.com>
973 * doc/install.texi: Add binutils version recommendation for mips-*-*.
975 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
977 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
979 2006-06-09 Richard Guenther <rguenther@suse.de>
981 PR tree-optimization/26998
982 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
983 of signed types, only TYPE_MIN_VALUE is special, but for both,
984 minimum and maximum value. Likewise VR_ANTI_RANGE is special
985 in this case, as is -fwrapv.
987 2006-06-08 Mike Stump <mrs@apple.com>
990 * config/darwin.c (darwin_asm_output_anchor): Disable
991 -fsection-anchors on darwin for now.
992 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
993 * rs6000/rs6000.c (optimization_options): Likewise.
995 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
998 * config/i386/i386.c (classify_argument): Skip fields with invalid
1001 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1003 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1004 (cse_insn): Likewise for the stack_pointer_rtx.
1006 2006-06-08 Roger Sayle <roger@eyesopen.com>
1008 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1009 conditions from floating point comparisons.
1011 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1014 * expmed.c (struct alg_hash_entry): Fix type of field T
1015 to match synth_mult argument.
1016 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1018 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1021 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1024 2006-06-08 Richard Guenther <rguenther@suse.de>
1027 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1028 only, if overflow is defined and not trapping.
1029 (negate_expr): Likewise.
1031 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1033 PR tree-optimization/27872
1034 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1035 flag on the new exit edge of the unrolled loop.
1037 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1039 PR rtl-optimization/26449
1040 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1042 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1045 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1046 referenced_variables with matching DECL_UID's.
1047 (find_referenced_vars): Make sure duplicate list is empty to start.
1048 (referenced_var_p): Remove.
1049 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1050 Check if var is in the list, and add if needed. Update the duplicate
1051 list if a different var is in the list with the same DECL_UID.
1052 (add_referenced_var): Call routine to check and insert.
1053 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1054 * tree-flow.h (referenced_vars_dup_list): External declaration.
1056 2006-06-07 Fred Fish <fnf@specifix.com>
1058 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1061 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1064 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1065 the imaginary and real parts of a clobbered register.
1066 Emit insn to set the imaginary part.
1068 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1070 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1071 in lieu of unwind-dw2-fde.c.
1073 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1075 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1077 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1080 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1081 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1082 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1083 V4SImode temporaries and operations instead.
1085 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1087 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1090 2006-06-06 Mike Stump <mrs@apple.com>
1092 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1093 installing during build.
1095 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1097 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1099 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1100 * config/ia64/ia64.c (params.h): New header.
1101 (ia64_optimization_options): New function to adjust parameters.
1102 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1103 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1104 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1106 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1108 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1110 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1113 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1115 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1116 Victor Kaplansky <victork@il.ibm.com>
1118 PR tree-optimization/26360
1119 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1122 2006-06-04 Roger Sayle <roger@eyesopen.com>
1123 Andrew Pinski <pinskia@physics.uc.edu>
1126 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1127 for LABEL_DECL before calling DECL_WEAK.
1130 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1131 LABEL_DECL and PARM_DECL.
1133 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1137 * c-decl.c (grokdeclarator): Disallow variably modified types at
1138 file scope. Avoid marking shared array type of constant size as
1141 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1144 * c-common.c (fold_offsetof_1): Handle static members.
1146 2006-06-04 Eric Christopher <echristo@apple.com>
1148 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1149 (debug_rli): Output value for remaining_in_alignment.
1150 (update_alignment_for_field): Unconditionalize
1151 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1152 extra alignment code.
1153 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1154 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1155 * tree.h (record_layout_info_s): Remove prev_packed.
1156 * doc/extend.texi (ms_struct): Add documentation of format.
1158 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1160 * tree.h: Declare folding_initializer.
1161 * builtins.c (fold_builtin_constant_p): Give definite answer
1162 if folding inside an initializer.
1163 * fold-const.c: Define folding_initializer.
1164 (START_FOLD_INIT): Save and then set folding_initializer.
1165 (END_FOLD_INIT): Restore folding_initializer.
1167 2006-06-04 Richard Guenther <rguenther@suse.de>
1169 PR tree-optimization/27039
1170 * fold-const.c (fold_comparison): Handle pointer comparison
1171 again for all comparison codes. Compare offsets in signed
1173 (fold_binary): Move code from here.
1175 2006-06-03 Roger Sayle <roger@eyesopen.com>
1178 * config/i386/i386.c (construct_container): Split static issued_error
1179 flag into issued_sse_arg_error, issued_sse_ret_error and
1180 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1181 requires the use of x87 registers and the user explicitly
1182 specified the -mno-80387 command line option.
1184 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1186 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1187 HAVE_DECL_SIGALTSTACK.
1189 (segv_handler): Use MC_FLD.
1190 * configure.ac: Check for a sigaltstack declaration.
1191 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1192 * configure: Regenerate.
1193 * config.in: Regenerate.
1195 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1198 * Makefile.in (stmp-fixinc): Fix typo.
1200 2006-06-02 Roger Sayle <roger@eyesopen.com>
1202 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1203 are type correct. Clean-up.
1204 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1205 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1207 2006-06-01 DJ Delorie <dj@redhat.com>
1209 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1210 shift, as we've disabled the "switch" insn that needs it.
1212 2006-06-01 Per Bothner <bothner@bothner.com>
1214 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1215 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1216 * c-ppoutput.c (cb_define): Don't increment line 0.
1218 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1220 * doc/invoke.texi: Add cpu_type power6.
1221 * config.gcc: Add cpu_type power6.
1222 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1223 to power5+ with Altivec.
1224 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1225 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1227 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1229 * config/avr/avr.h (SET_ASM_OP): Define.
1231 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1233 * config/bfin/bfin.c: Fix comment typos.
1235 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1238 * doc/install.texi: Document --enable-bootstrap and
1239 --disable-bootstrap.
1241 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1243 * doc/install.texi: Document that InfoZIP can replace jar.
1245 2006-05-31 Roger Sayle <roger@eyesopen.com>
1247 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1248 isn't available, directly generate the simpler x87 patterns without
1249 the (use (const_int 0)).
1250 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1251 implementation isn't available.
1252 (*negdf2_1): Likewise.
1253 (*negxf2_1): XF mode negation is always done using the x87.
1254 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1256 2006-05-31 Roger Sayle <roger@eyesopen.com>
1258 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1259 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1261 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1263 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1265 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1266 * config/bfin/bfin.c (basic-block.h): Include.
1267 (struct machine_function): New.
1268 (bfin_init_machine_status): New.
1269 (override_options): Initialize init_machine_status.
1270 (bfin_hardware_loop): New.
1271 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1272 (DEF_VEC_P (loop_info)): New.
1273 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1274 (struct loop_info): New.
1275 (loop_info): New typedef.
1276 (struct loop_work): New.
1277 (loop_work): New typedef.
1278 (DEF_VEC_O (loop_work)): New.
1279 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1280 (bfin_dump_loops): New.
1281 (bfin_bb_in_loop): New.
1282 (bfin_scan_loop): New.
1283 (bfin_optimize_loop): New.
1284 (bfin_reorg_loops): New.
1285 (bfin_reorg): Use bfin_reorg_loops.
1286 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1288 (I_REGNO_P): Simplify.
1289 (DP_REGNO_P, DPREG_P): New macros.
1290 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1291 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1292 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1293 Add LT_REGS, LC_REGS, LB_REGS.
1294 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1296 (REGNO_REG_CLASS): Deal with loop registers.
1297 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1299 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1300 New constants for loop registers.
1301 (UNSPEC_LSETUP_END): New.
1302 (seq_insns): New define_attr. Set it for appropriate insns.
1303 (movsi_insn): Add alternatives for move from/to
1304 loop count registers.
1305 (doloop_end): New define_expand.
1306 (loop_end): New define_insn.
1307 (define_split for bad doloop_end): New.
1308 (lsetup_with_autoinit): New define_insn.
1309 (lsetup_without_autoinit): New define_insn.
1310 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1311 * config/bfin/predicates.md (lc_register_operand): New.
1312 (lt_register_operand): New.
1313 (lb_register_operand): New.
1314 (nondp_register_operand): New.
1315 (nondp_reg_or_memory_operand): New.
1316 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1318 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1320 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1321 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1323 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1325 * Makefile.in (CATALOGS): Add po/ prefix.
1326 * configure: Regenerated.
1328 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1331 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1332 a shift operand before calling shift_op. Avoid redundant call of
1335 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1336 DJ Delorie <dj@redhat.com>
1338 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1339 we're inserting is a singlt-bit constant.
1341 2006-05-30 Roger Sayle <roger@eyesopen.com>
1343 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1344 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1346 2006-05-30 Roger Sayle <roger@eyesopen.com>
1348 PR tree-optimization/23452
1349 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1350 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1351 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1352 complex values and with -ffast-math for FP complex values.
1354 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1356 * c-common.h: Remove the prototype for yyparse.
1357 * rtl.h: Remove the prototype for init_loop.
1359 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1361 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1364 2006-05-30 Roger Sayle <roger@eyesopen.com>
1366 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1368 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1369 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1371 2006-05-30 Dirk Mueller <dmueller@suse.de>
1374 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1375 for CONSTANT_CLASS_P expresisons.
1377 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1380 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1382 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1384 PR tree-optimization/27779
1385 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1386 initial_condition instead of CHREC_LEFT.
1388 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1390 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1391 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1392 Make prototypes ISO C90.
1394 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1395 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1397 * see.c (see_analyze_one_def): Correct check.
1398 (see_get_extension_data): Check if extension is parallel.
1399 (see_get_extension_reg): Likewise.
1401 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1404 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1405 into register for (code == GTU).
1407 2006-05-29 Roger Sayle <roger@eyesopen.com>
1409 PR tree-optimization/24964
1410 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1411 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1412 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1413 abs(x)*abs(x) as x*x for scalar floating point modes.
1415 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1418 * lambda-code.c (perfect_nestify): Don't copy statements
1419 in the inner loop: move them to the inner loop header.
1421 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1424 * c-tree.texi: Document OpenMP directives and clauses.
1426 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1428 * varasm.c (globalize_decl): Fix indentation.
1430 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1433 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1434 pass_fre, pass_store_ccp, pass_copy_prop,
1435 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1436 pass_return_slot, pass_object_size, pass_lim,
1437 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1438 pass_loop_prefetch and pass_stdarg.
1440 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1442 * config/bfin/bfin.opt (mfdpic): New option.
1443 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1444 (EXTRA_MULTILIB_PARTS): Likewise.
1445 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1446 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1448 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1449 (CRT_CALL_STATIC_FUNCTION): New.
1450 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1452 (CRT_CALL_STATIC_FUNCTION): New.
1453 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1455 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1456 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1457 (initialize_trampoline): Changed to handle FD-PIC code generation.
1458 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1459 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1460 (override_options): Disallow -mid-shared-library -mfdpic combination.
1461 Can't do unaligned ops if FD-PIC.
1462 Turn off flag_pic if trying to generate non-id-shared-library
1463 non-fdpic code, since it's not supported.
1464 (bfin_assemble_integer): New function.
1465 (TARGET_ASM_INTEGER): Define.
1466 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1468 * config/bfin/crtn.s: Restore them.
1469 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1471 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1472 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1473 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1474 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1475 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1477 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1478 FDPIC_REGS and FDPIC_FPTR_REGS.
1479 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1480 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1481 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1482 (load_funcdescsi): New pattern.
1483 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1484 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1485 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1487 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1489 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1492 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1494 * tree-flow.h: Remove the prototype for add_type_alias.
1495 * tree-ssa-alias.c (add_type_alias): Remove.
1497 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1499 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1500 config/fr30/fr30.md, config/i386/i386-interix.h,
1501 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1502 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1503 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1504 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1505 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1506 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1507 Follow spelling conventions.
1508 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1509 Follow spelling conventions.
1511 2006-05-27 Richard Guenther <rguenther@suse.de>
1514 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1515 to produce a constant of value 1 of generic type.
1517 2006-05-27 Dirk Mueller <dmueller@suse.de>
1519 * cgraphunit.c (decide_is_function_needed): Fix wrong
1522 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1524 PR rtl-optimization/27661
1525 * reload.c (find_reloads): When reloading a VOIDmode constant
1526 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1527 use Pmode as mode of the reload register.
1529 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1531 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1532 is enabled at -O and above.
1534 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1537 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1540 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1543 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1544 for anonymous variables explicitly declared by front ends.
1546 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1548 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1549 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1550 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1551 ref-all pointers, run a finalization pass for them.
1552 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1553 (finalize_ref_all_pointers): New function.
1554 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1555 regular pointer type to a ref-all pointer type.
1556 (get_tmt_for): Return the special memory tag for ref-all pointers.
1558 2006-05-25 Richard Guenther <rguenther@suse.de>
1561 * fold-const.c (fold_binary): Do not look at the stripped
1562 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1564 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1566 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1567 for LT and GT if the computed range is effectively empty.
1569 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1572 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1573 mips_quad_format formats instead of ieee_single_format,
1574 ieee_double_format and ieee_quad_format formats, respectively.
1576 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1578 PR tree-optimization/27639
1579 PR tree-optimization/26719
1580 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1581 call to scev_probably_wraps_p.
1582 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1583 used_in_pointer_arithmetic_p, convert_step): Removed.
1584 (nowrap_type_p): New function.
1585 (scev_probably_wraps_p): Rewritten.
1586 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1587 chrec_convert if chrec_convert_aggressive might have been used.
1588 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1589 scev_direction): New functions.
1590 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1591 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1592 instead of convert_step.
1593 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1594 (convert_step): Declaration removed.
1595 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1597 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1599 * df-core.c: Added to header comments.
1600 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1601 df_ur_bb_info, df_urec_bb_info): Added comments.
1602 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1603 urec, ri problems): Fixed header comments.
1604 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1605 code from df_rd_transfer_function.
1607 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1609 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1610 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1611 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1613 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1615 * expr.c (undefined_operand_subword_p): New.
1616 (emit_move_multi_word): Do not generate move from undefined bits
1617 of a paradoxical subreg.
1619 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1621 PR rtl-optimization/27736
1622 * combine.c (replaced_rhs_value): New variable.
1623 (combine_instructions): Set it.
1624 (distribute_notes): When distributing a note in replaced_rhs_insn,
1625 check whether the value was used in replaced_rhs_value.
1627 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1630 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1631 add_referenced_var instead of add_referenced_tmp_var.
1632 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1633 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1635 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1636 tree_optimize_tail_calls_1): Use add_referenced_var.
1637 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1638 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1639 Use add_referenced_var.
1640 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1641 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1642 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1643 Use add_referenced_var.
1644 * tree-dfa.c (struct walk_state): Remove.
1645 (find_referenced_vars): Remove walk state and vars_found hash table.
1646 (make_rename_temp): Use add_referenced_var.
1647 (find_vars_r): Pass less parameters to add_referenced_var.
1648 (referenced_var_p): New. Is var in referenced_var hash table.
1649 (referenced_var_insert): Assert var isn't already in hash table.
1650 (add_referenced_var): Don't need walk_state parameter. Add var if it
1651 isn't already in the hash table.
1652 (add_referenced_tmp_var): Remove.
1653 (find_new_referenced_vars_1): Use add_referenced_var.
1654 * tree-ssa-pre.c (create_expression_by_pieces,
1655 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1656 Use add_referenced_var.
1657 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1658 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1659 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1661 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1662 vect_create_data_ref_ptr, vect_create_destination_var,
1663 vect_init_vector, vect_build_loop_niters,
1664 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1665 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1666 Use add_referenced_var.
1667 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1668 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1669 (add_referenced_var): Add prototype.
1670 * tree-ssa-structalias.c (get_constraint_for,
1671 intra_create_variable_infos): Use add_referenced_var.
1673 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1675 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1676 big-endian paradoxical subregs.
1677 * var-tracking.c (struct micro_operation_def): Document that,
1678 for modify micro operations, insn is the subsequent instruction.
1679 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1680 (var_reg_set, var_mem_set): ... new functions.
1681 (add_stores): Record subsequent insn.
1682 (compute_bb_dataflow): Use new functions for MO_USE.
1683 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1684 notes after the insn, and modify notes before the insn known
1685 to be the subsequent one.
1686 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1688 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1691 * config/i386/i386.c (ix86_expand_builtin): Use
1692 gen_sse3_monitor64 for TARGET_64BIT.
1694 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1696 PR rtl-optimization/26375
1697 PR rtl-optimization/26855
1698 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1700 (df_ru_bb_local_compute): Reversed statements and removed bogus
1701 comment explaining why they should be in wrong order.
1702 (df_ru_dump, df_rd_dump): Enhanced debug info.
1703 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1705 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1706 reaching uses and fixed space problem.
1708 2006-05-23 Jan Hubicka <jh@suse.cz>
1710 * cgraphunit.c (decide_is_function_needed): Also nested functions
1711 and functions declared inline can be optimized out at -O0.
1713 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1715 * doc/install.texi (Configuration): Remove reference to CrossGCC
1719 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1722 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1723 ix86_compare_emitted is non-NULL.
1725 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1728 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1731 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1733 PR rtl-optimization/25514
1734 * combine.c (replaced_rhs_insn): New variable.
1735 (combine_instructions): Set replaced_rhs_insn when trying to replace
1736 a SET_SRC with a REG_EQUAL note.
1737 (distribute_notes): Use replaced_rhs_insn when determining the live
1738 range of a REG_DEAD register.
1740 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1741 Anatoly Sokolov <aesok@post.ru>
1743 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1744 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1745 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1746 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1747 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1748 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1749 at90usb647, at90usb1286 and at90usb1287 devices.
1750 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1751 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1753 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1755 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1757 2006-05-22 Richard Guenther <rguenther@suse.de>
1760 2006-01-31 Richard Guenther <rguenther@suse.de>
1761 Paolo Bonzini <bonzini@gnu.org>
1763 * doc/install.texi (--disable-libgcc-math): Document.
1765 2006-05-22 Richard Guenther <rguenther@suse.de>
1768 2006-01-31 Richard Guenther <rguenther@suse.de>
1770 * doc/invoke.texi (-msselibm): Document.
1771 * target.h (expand_library_builtin): New target hook.
1772 * builtins.c (expand_builtin): Use expand_library_builtin.
1773 (default_expand_library_builtin): New function.
1774 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1775 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1776 (link_gcc_math_spec): Declare.
1777 (static_specs): Add link_gcc_math_spec.
1778 * expr.h (default_expand_library_builtin): Declare.
1779 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1780 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1781 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1782 * config/i386/i386.opt (msselibm): New target option.
1783 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1784 (ix86_init_sse_abi_builtins): New function.
1785 (ix86_expand_library_builtin): Likewise.
1786 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1787 (override_options): Handle error conditions wrt -msselibm.
1788 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1789 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1790 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1793 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1796 * c-common.c (self_promoting_args_p): Skip erroneous args.
1799 * c-decl.c (finish_struct): Skip erroneous fields.
1801 2006-05-22 Nick Clifton <nickc@redhat.com>
1803 * config/cris/cris.opt (march): Remove VarExists attribute.
1804 (max-stackframe=): Likewise.
1806 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1808 * doc/rtl.texi: Fix a typo.
1809 * see.c: Fix comment typos.
1811 * tree-ssa-structalias.h (alias_info): Remove num_references.
1813 2006-05-21 Mike Stump <mrs@apple.com>
1815 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1817 (darwin_pragma_options): Use BAD instead.
1818 (darwin_pragma_unused): Likewise.
1819 (darwin_pragma_ms_struct): Likewise.
1821 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1823 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1825 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1827 PR rtl-optimization/27671
1828 * simplify-rtx.c (simplify_relational_operation_1): Fix
1829 simplifications of (eq/ne (xor x y) y) and
1830 (eq/ne (xor x y) x).
1832 PR tree-optimization/26622.
1833 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1836 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1838 * tree-cfg.c: Prune whitespace.
1839 (debug_tree_cfg): Point to correct header containing the
1842 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1845 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1847 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1850 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1851 or sorry count is non zero.
1853 2006-05-20 Andreas Schwab <schwab@suse.de>
1855 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1857 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1858 Kenneth Zadeck <zadeck@naturalbridge.com>
1860 PR rtl-optimization/26855
1862 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1864 (df_scan_alloc): Added code to properly handle multiword hard
1865 registers and add all_blocks parameter.
1866 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1867 code to properly handle multiword hard registers.
1868 (df_rescan_blocks): Added code to remove deleted blocks from
1870 (df_ref_create_structure, df_ref_record): Added code to properly
1872 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1873 and set DF_REF_PARTIAL.
1874 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1875 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1876 (df_scan_add_problem): Added flags parameter.
1877 (df_ref_create_structure): Changed switching structure.
1878 (df_bb_refs_record): Fixed case where duplicate artificial refs
1879 were created. Changed location of flags.
1880 (df_record_entry_block_defs): Added code to make stack pointer
1881 live in entry block. Refined cases where frame pointer is needed.
1882 Changed location of flags.
1883 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1884 (df_set_state): Removed function.
1885 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1886 df_insn_create_insn_record, df_insn_refs_delete,
1887 df_ref_create_structure): Formatting changes.
1888 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1889 df_delete_basic_block): New function.
1890 (df_init): Changed location of flags.
1891 (df_add_problem): Added flags parameter and the way flags are
1893 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1894 debug_df_chain): Improved debugging output.
1895 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1896 (df_refs_chain_dump): Removed df parameter.
1897 (df_iterative_dataflow): Added consistency check.
1898 (df_prune_to_subcfg): Made public.
1899 (df_analyze_problem): Added blocks_to_init parameter and made
1901 (df_ref_record, df_bb_refs_record, df_mark_reg,
1902 df_record_exit_block_uses): Whitespace changes.
1903 (df_dump): Whitespace changes.
1904 * df.h: Some reordering to remove forward references.
1905 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1906 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1907 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1908 (dataflow.flags): New field.
1909 (df.flag): Deleted field.
1910 (df_alloc_function): Added additional bitmap parameter.
1911 (df_dependent_problem_function): New type.
1912 (df_problem.changeable_flags): New field.
1913 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1914 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1915 (df_mw_hardreg): New struct.
1916 (DF_INSN_UID_MWS): New macro.
1917 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1919 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1920 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1921 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1922 (df_set_state): Removed function.
1923 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1924 * df-problems.c (df_chain_dump): Removed df parameter.
1925 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1926 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1928 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1929 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1930 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1931 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1932 DF_REF_MUST_CLOBBER cases.
1933 (df_ru_bb_local_compute_process_def,
1934 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1935 df_lr_bb_local_compute, df_ur_bb_local_compute,
1936 df_chain_create_bb): Made subreg aware.
1937 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1938 df_lr_bb_local_compute, df_lr_bb_local_compute,
1939 df_chain_create_bb): Cleanup to use proper macros.
1940 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1941 code to fixup bitvectors.
1942 (df_ri_alloc): Cleared lifetime.
1943 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1944 df_create_unused_note): New function.
1945 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1946 REG_DEAD and REG_UNUSED notes as well as register information.
1947 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1948 df_chains_dump): Fixed crash if problem was never run.
1949 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1950 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1951 df_ri_add_problem): Processes flags in uniform manner.
1952 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1953 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1954 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1955 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1956 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1957 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1958 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1959 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1960 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1961 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1962 * see.c (see_initialize_data): Ditto.
1963 * final.c (rest_of_clean_state) Added regstack_completed.
1964 * rtl.h (regstack_completed): Ditto.
1965 * reg-stack.c (regstack_completed): Ditto.
1967 2006-05-19 Mike Stump <mrs@apple.com>
1969 * c-tree.h (default_conversion): Remove.
1970 * c-common.h (default_conversion): Add.
1972 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1974 * tree-vrp.c (valid_value_p): New function.
1975 (adjust_range_with_scev): Fail if the value of bound is not
1978 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1980 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1981 (mips_fallback_frame_state): Use syscall numbers to determine
1982 the appropriate li instruction for the current ABI. Only use
1983 __NR_sigreturn for o32.
1985 2006-05-19 Nicolas Setton <setton@adacore.com>
1987 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1988 * langhooks.c (lhd_dwarf_name): New function.
1989 * langhooks-def.h (lhd_dwarf_name): Declare.
1990 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1991 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1992 * ada/misc.c (gnat_dwarf_name): New function.
1993 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1995 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1997 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1999 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2000 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2001 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2002 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2003 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2004 determine the size of Wtype, etc.
2005 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2006 (swfloatfuncs): New variable.
2007 (dwfloatfuncs): Likewise.
2008 (lib2funcs): Remove floating-point conversion functions from
2009 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2010 the set of conversion routines needed. Allow entries to specify
2011 an object name, filename and word size. Update users accordingly.
2012 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2013 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2017 2006-02-08 Roger Sayle <roger@eyesopen.com>
2020 * config/fixtfdi.c: New libgcc source file.
2021 * config/fixunstfdi.c: New source file.
2022 * config/floatditf.c: New source file.
2023 * config/floatunditf.c: New souce file.
2024 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2025 files above instead of config/mips/_tilib.c.
2026 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2028 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2030 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2031 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2033 2006-05-18 Mike Stump <mrs@apple.com>
2035 Fix up vla, vm and [*] sematics.
2041 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2042 (c_vla_unspec_p): Add.
2043 (c_vla_type_p): Add.
2044 * c-decl.c (struct c_scope): Add had_vla_unspec.
2045 (build_array_declarator): Add support for [*].
2046 (grokdeclarator): Likewise.
2047 (grokparms): Likewise.
2048 (get_parm_info): Likewise.
2049 * c-objc-common.c (c_vla_unspec_p): Likewise.
2050 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2051 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2052 typeof when argument is a variably modified type not inside sizeof or alignof.
2053 (c_parser_direct_declarator_inner): Propagate errors.
2054 (c_parser_sizeof_expression): Add support for [*].
2055 (c_parser_parms_declarator): Initialize had_vla_unspec.
2056 (c_parser_parms_list_declarator): Likewise.
2057 * c-typeck.c (c_vla_type_p): Add.
2058 (composite_type): Add support for vla compositing.
2059 (comptypes_internal): Add support for vla compatibility.
2060 (c_expr_sizeof_expr): Evaluate vla arguments.
2061 * tree.c (variably_modified_type_p): Update comment for [*].
2063 2006-05-18 Michael Matz <matz@suse.de>
2066 * config.host: Make assignments to host_xmake_file cumulative.
2067 * config.host (*-darwin*): Test $host, not $target.
2069 2006-05-12 Stuart Hastings <stuart@apple.com>
2071 * config/i386/i386.opt (-mstackrealign): New flag.
2072 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2073 (ix86_handle_cconv_attribute): Emit error when
2074 force_align_arg_pointer attribute collides with too many regparms.
2075 (ix86_function_regparm): Limit regparms when used with
2076 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2077 Support stack-realigning prologue in non-main functions. Emit
2078 warning for nested functions under -mstackrealign, emit error for
2079 nested functions with force_align_arg_pointer attribute.
2080 * doc/extend.texi (force_align_arg_pointer): Document it.
2081 * doc/invoke.texi (-mstackrealign): Document it.
2083 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2085 PR rtl-optimization/27477
2086 * combine.c (try_combine): Don't split a parallel consisting
2087 of two sets into two individual sets if both sets reference
2090 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2092 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2093 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2095 * doc/options.texi (VarExists): Updated.
2097 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2099 * unwind-dw2.c: Add declarations for uw_update_context and
2101 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2102 detected, advance frame state and context once to skip over stub.
2104 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2108 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2109 Call rewrite_into_loop_closed_ssa only when something changed.
2110 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2111 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2112 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2113 Test for perfect_nest_p here. Fix formating.
2114 (replace_uses_equiv_to_x_with_y): Fix formating.
2115 (stmt_uses_op): Removed.
2116 (can_convert_to_perfect_nest): Removed loopivs parameter.
2117 Complete the test by checking the scalar dependences.
2118 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2121 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2124 From Dan Kegel <dank@kegel.com>:
2125 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2127 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2129 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2130 if the element type is variably modified without recursing.
2132 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2135 * tree-loop-linear.c (try_interchange_loops): Test for
2136 no data dependences.
2138 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2140 PR tree-optimization/27548
2141 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2142 range of ssa names that appear on abnormal edges.
2143 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2144 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2146 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2149 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2151 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2154 * tree.h (OMP_PARALLEL_COMBINED): Define.
2155 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2156 (new_omp_context): Add is_combined_parallel argument.
2157 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2158 new_omp_context caller.
2159 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2160 Adjust gimplify_scan_omp_clauses callers.
2161 (omp_is_private): Issue errors if iteration variable is firstprivate
2162 or reduction in the current context.
2163 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2164 on combined parallel workshare constructs.
2166 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2168 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2169 (gcc-options.o): New rule.
2171 * optc-gen.awk: Protect variables for gcc-options.o with
2172 #ifdef GCC_DRIVER/#endif.
2174 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2176 Fix PR tree-optimization/27373
2177 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2178 (forward_propagate_addr_expr): Update call.
2180 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2182 * doc/options.texi: Move the Negative option.
2184 2006-05-16 Richard Guenther <rguenther@suse.de>
2186 PR tree-optimization/22303
2187 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2189 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2190 ccp_fold did not simplify the statement.
2192 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2195 * Makefile.in (GCC_OBJS): New.
2196 (OBJS-common): Add opts-common.o.
2197 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2198 (cpp$(exeext)): Likewise.
2199 (gcc.o): Also depend on opts.h.
2200 (opts-common.o): New.
2202 * common.opt (gcoff): Add Negative(gdwarf-2).
2203 (gdwarf-2): Add Negative(gstabs).
2204 (gstabs): Add Negative(gstabs+).
2205 (gstabs+): Add Negative(gvms).
2206 (gvms): Add Negative(gxcoff).
2207 (gxcoff): Add Negative(gxcoff+).
2208 (gxcoff+): Add Negative(gcoff).
2209 * config/i386/i386.opt (m32): Add Negative(m64).
2210 (m64): Add Negative(m32).
2212 * doc/options.texi: Document the Negative option.
2214 * gcc.c: Include "opts.h".
2215 (main): Call prune_options after expandargv.
2217 * optc-gen.awk: Generate common declarations for all flag
2218 variables in options.c. Output the neg_index field.
2220 * opts.c (find_opt): Moved to ...
2221 * opts-common.c: Here. New file.
2223 * opts.h (cl_option): Add a neg_index field.
2225 (prune_options): Likewise.
2227 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2230 * omp-low.c (expand_omp_parallel): Don't assert
2231 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2232 instead search for it.
2235 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2238 2006-05-16 Andreas Schwab <schwab@suse.de>
2240 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2243 2006-05-15 Roger Sayle <roger@eyesopen.com>
2246 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2247 integer constants other than zero are only legitimate on TARGET_64BIT.
2248 <CONST_VECTOR> Only zero vectors are legitimate.
2249 (ix86_cannot_force_const_mem): Integral and vector constants can
2250 always be put in the constant pool.
2252 2006-05-16 DJ Delorie <dj@redhat.com>
2254 * crtstuff.c (__dso_handle): Set section from
2255 TARGET_LBIGCC_SDATA_SECTION if defined.
2256 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2257 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2259 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2262 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2265 2006-05-16 Ben Elliston <bje@au.ibm.com>
2267 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2269 2006-05-15 Per Bothner <per@bothner.com>
2271 * tree.c: (last_annotated_node): Use source_locus typedef.
2272 This permits bootstrapping with --enable-mapped-location.
2274 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2276 PR tree-optimization/26830
2277 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2278 (info_for_ssa_name, current_info_for_ssa_name_age,
2279 blocks_to_update): New variables.
2280 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2281 (clear_ssa_name_info, initialize_flags_in_bb,
2282 mark_block_for_update): New functions.
2283 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2284 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2285 prepare_def_site_for): Use mark_block_for_update.
2286 (mark_def_interesting): Assert that the processed block is marked in
2287 blocks_to_update. Do not take blocks argument.
2288 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2290 (rewrite_update_init_block, rewrite_update_stmt): Only process
2291 blocks with statements to rewrite.
2292 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2293 (update_ssa): Initialize and free blocks_to_update. Do not
2294 clear flags on statements. Do not use blocks bitmap.
2295 * tree.h (SSA_NAME_AUX): Removed.
2296 (struct tree_ssa_name): Removed aux field.
2297 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2299 2006-05-15 Richard Guenther <rguenther@suse.de>
2301 PR tree-optimization/27603
2302 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2303 Do computations in original type.
2305 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2307 * see.c: Code style changes such as redundant paranthesis,
2308 redundant intialization of local variables etc.
2309 (see_main): Declared now as static.
2310 * doc/invoke.texi: Update that -fsee is not enabled by
2313 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2315 * omp-low.c (check_omp_nesting_restrictions): New function.
2316 (scan_omp_1): Call it.
2319 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2320 construct, return *VAR.
2322 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2324 PR rtl-optimization/27406
2325 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2328 2006-05-14 Roger Sayle <roger@eyesopen.com>
2330 PR rtl-optimization/27538
2331 * combine.c (expand_compound_operation): Call gen_lowpart
2332 before calling simplify_shift_const.
2334 2006-05-14 Roger Sayle <roger@eyesopen.com>
2336 PR rtl-optimization/22563
2337 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2338 a fixed width bitfield, always force the intermediates into psuedos.
2340 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2343 * mkconfig.sh: Use operator = instead of == for test.
2345 2006-05-13 Nick Clifton <nickc@redhat.com>
2347 * dwarf2out.c (dbx_reg_number): Check return value from
2348 LEAF_REG_REMAP and only use it if it is valid.
2349 (multiple_reg_loc_descriptor): Likewise.
2351 2006-05-13 Richard Guenther <rguenther@suse.de>
2353 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2356 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2358 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2359 information attached to non-INSNs such as NOTEs.
2360 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2362 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2364 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2366 * config/s390/s390.md: Adjust comment describing On constraint.
2368 2006-05-11 Jan Hubicka <jh@suse.cz>
2370 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2371 to be output at -O0.
2373 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2376 * fold-const.c (size_binop): Move sanity check for arguments to
2377 the beginning of the function.
2380 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2383 2006-05-11 Richard Guenther <rguenther@suse.de>
2386 * fold-const.c (fold_unary): Handle intermediate conversion
2387 to a pointer type like intermediate conversion to an integer
2388 type in folding of (T1)(T2)var to var.
2389 Match the code to the comment in the final conversion for
2390 (T1)(T2)var to (T1)var regarding to type precision. Rather
2391 than disallow T1 being of pointer type, assert that both T1
2392 and var are of pointer type or not. Make sure not to fall
2393 over the frontends lazyness wrt array to pointer decay though.
2395 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2397 * arm.c (arm_struct_value_rtx): Delete.
2398 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2399 (arm_init_cumulative_args): Always initialize nregs to zero.
2401 2006-05-10 Richard Guenther <rguenther@suse.de>
2403 PR tree-optimization/27532
2404 * tree-object-size.c (plus_expr_object_size): Fix typo.
2406 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2409 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2410 ashrdi_const, ashrdi3): Use a scratch register.
2412 2006-05-10 Richard Guenther <rguenther@suse.de>
2414 PR tree-optimization/27302
2415 * fold-const.c (operand_equal_p): For two comparisons,
2416 try comparison of one comparison code swapped if that yields
2419 2006-05-10 Ben Elliston <bje@au.ibm.com>
2421 * tree-pretty-print.c (pretty_print_string): No need to handle
2422 '\0' as a special character.
2424 * tree.h: Include "hashtab.h".
2425 (iterative_hash_expr): Use hashval_t in its prototype.
2426 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2428 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2431 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2432 (hppa*64*-*-hpux11*): Ditto.
2433 (hppa[12]*-*-hpux11*): Ditto.
2435 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2438 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2440 2006-05-09 Michael Matz <matz@suse.de>
2442 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2443 host_extra_gcc_objs and host_xmake_file.
2444 (<*-*-linux*>): Don't overwrite host_xmake_file.
2445 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2446 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2447 (host_detect_local_cpu): Declare.
2448 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2449 * config/i386/i386.c (override_options): Handle -mtune=native
2451 * config/i386/x-i386: New file.
2452 * config/i386/driver-i386.c: New file.
2453 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2456 2006-05-09 Dirk Mueller <dmueller@suse.de>
2457 Richard Guenther <rguenther@suse.de>
2460 * fold-const.c (fold_read_from_constant_string): Relax check
2461 for matching types to matching modes.
2463 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2465 PR rtl-optimization/27335
2466 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2469 2006-05-08 Chao-ying Fu <fu@mips.com>
2470 Richard Sandiford <richard@codesourcery.com>
2472 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2473 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2474 * config/mips/mips.md (UNSPEC_SCC): New constant.
2475 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2476 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2477 (mips_emit_compare): Use it.
2478 (mips_expand_vcondv2sf): New function.
2480 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2482 Fix PR tree-optimization/27093
2483 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2484 renaming when they become not-used_alone.
2486 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2488 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2489 relocation and relocation stubs.
2491 2006-05-08 Eric Christopher <echristo@apple.com>
2493 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2496 2006-05-08 Jan Hubicka <jh@suse.cz>
2499 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2500 unused static functions are needed.
2502 2006-05-08 Roger Sayle <roger@eyesopen.com>
2505 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2506 of a reg_equiv_constant if the result is a legitimate constant.
2508 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2511 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2512 standard 80387 constants, raise the cost to prevent
2513 compress_float_constant() to generate load from memory.
2515 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2517 * config/arm/constraints.md (c): Fix a typo.
2519 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2522 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2525 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2527 (_mm_mwait): Likewise.
2529 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2531 (sse3_monitor): Make it 32bit only.
2532 (sse3_monitor64): New. 64bit monitor.
2534 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2537 * config/i386/i386.c (classify_argument): Skip fields with invalid
2540 2006-05-07 Richard Guenther <rguenther@suse.de>
2542 PR tree-optimization/27409
2543 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2544 Do not try to find zero-sized subvars.
2546 2006-05-07 Richard Guenther <rguenther@suse.de>
2548 PR tree-optimization/27136
2549 * tree-ssa-loop-niter.c (get_val_for): Correct function
2550 comment, assert requirements.
2551 (loop_niter_by_eval): Stop processing if the iterated
2552 value did not simplify.
2554 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2556 * opts.c (flag_see): remove its setting at -O3.
2558 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2560 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2561 * arm/constraints.md: New file.
2562 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2563 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2564 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2565 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2566 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2567 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2568 * arm.md: Include constraints.md.
2569 (thumb_movsi_insn): Use satisfies_constraint_J.
2570 (movhi, movqi): Use satisfies_constraint_I.
2572 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2574 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2575 for atmeg a645 device.
2577 2006-05-06 Richard Guenther <rguenther@suse.de>
2579 PR tree-optimization/27151
2580 * tree-vect-transform.c (vectorizable_condition): Punt on
2581 values that have a different type than the condition.
2583 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2586 * c-parser.c (c_parser_cast_expression): Only insert casts into
2587 hash table if pointer.
2588 * function.c (used_types_insert_helper): Rename from
2590 (used_types_insert): Call used_types_insert_helper.
2591 * function.h (used_types_insert): Accept only one argument.
2593 2006-05-05 David Edelsohn <edesohn@gnu.org>
2595 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2596 scratch with output modifier.
2598 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2601 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2602 with output modifier.
2604 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2607 * config/mips/mips.c (mips_symbolic_address_p): Return true
2608 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2609 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2611 2006-05-04 Richard Guenther <rguenther@suse.de>
2613 PR tree-optimization/14287
2614 PR tree-optimization/14844
2615 PR tree-optimization/19792
2616 PR tree-optimization/21608
2617 PR tree-optimization/27090
2618 * tree-ssa-pre.c (try_combine_conversion): New function.
2619 (compute_avail): After constructing the value-handle
2620 expression, use try_combine_conversion to combine NOP_EXPRs
2621 with previous value-handle expressions and use the result if it
2624 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2626 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2628 2006-05-04 Jan Hubicka <jh@suse.cz>
2631 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2633 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2635 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2636 that this only matches CONST_INTs. All users changed to VOIDmode
2639 * config/bfin/bfin.c: Include "optabs.h".
2640 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2642 (enum bfin_builtins): Add a number of fractional and vector builtins.
2643 (bfin_init_builtins): Likewise.
2644 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2645 (safe_vector_operand, bfin_expand_binop_builtin,
2646 bfin_expand_unop_builtin): New functions.
2647 (bfin_expand_builtin): Handle the new builtins.
2648 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2651 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2654 * Makefile.in (OBJS-common): Add see.o.
2655 (see.o): Add dependencies.
2656 * common.opt (fsee): New flag for the see optimization was added.
2657 * opts.c (flag_see): Initialized.
2658 * passes.c (init_optimization_passes, pass_see): New pass.
2659 * rtl.h (see_main): Declaration as extern.
2660 * timevar.def (TV_SEE): New.
2661 * tree-pass.h (pass_see): Declaration as extern.
2662 * invoke.texi (-fsee): Document.
2663 * recog.c (validate_simplify_insn): New function.
2664 * recog.h (validate_simplify_insn): Declaration as extern.
2665 * df-problems.c (df_chain_dump): Check for NULL.
2667 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2668 Daniel Berlin <dberlin@dberlin.org>
2670 * cfgrtl.c (insert_insn_bb_end_new): New function.
2671 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2673 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2675 * df.h (struct web_entry): Moved from web.c.
2676 (union_defs): Declaration as extern.
2677 (unionfind_root): Likewise.
2678 (unionfind_union): Likewise.
2679 * web.c (struct web_entry): Moved to df.h.
2680 (unionfind_root): Remove static declaration.
2681 (unionfind_union): Likewise.
2682 (union_defs): Likewise and generalize to use callback function.
2683 (web_main): Update arguments for union_defs function call.
2685 2006-05-04 Richard Guenther <rguenther@suse.de>
2687 PR tree-optimization/26447
2688 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2689 produce SSA_NAME copies before the store stmt to avoid
2690 breaking exception handling.
2692 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2695 * gimplify.c (omp_is_private): If var is shared in some outer context,
2696 return false instead of true. Stop searching on parallel context
2699 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2702 * coverage.c: Use get_gcov_unsigned_t() instead of
2703 unsigned_type_node all over.
2705 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2707 PR tree-optimization/27381
2708 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2709 maintain the same immediate_use links.
2710 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2711 node rather than segfaulting.
2713 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2716 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2717 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2718 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2720 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2722 Fix PR tree-optimization/26626
2723 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2725 * tree-ssa-operands.c (access_can_touch_variable): Allow
2726 typecasting through union pointers.
2728 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2731 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2732 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2733 to find if var will be a global variable even in the nested context.
2734 (omp_copy_decl): Only check for global variable at the end, it might
2735 be overridden in outer contexts.
2736 (scan_sharing_clauses): For global variables don't create a field.
2737 (lower_rec_input_clauses): Do nothing for global shared variables.
2738 Emit a barrier at the end of ILIST if there were any decls in both
2739 firstprivate and lastprivate clauses.
2740 (lower_send_clauses): Do nothing for global variables except for
2743 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2745 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2746 of the correct signedness is returned.
2748 2006-05-02 Jeff Law <law@redhat.com>
2750 PR tree-optimization/27364
2751 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2752 multiply expressions.
2754 2006-05-02 Tom Tromey <tromey@redhat.com>
2756 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2758 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2761 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2762 -mthumb -fPIC are used.
2764 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2765 Joshua Kinard <kumba@gentoo.org>
2768 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2769 with 64-bit pointers.
2771 2006-05-02 Paul Brook <paul@codesourcery.com>
2773 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2775 (create_fix_barrier): Check that a suitable barrier location is
2777 (arm_reorg): Include ftmp->address in allowable range of addresses.
2779 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2782 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2785 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2788 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2789 around RESULT_DECL for result passed by reference.
2790 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2791 * omp-low.c (use_pointer_for_field): Don't look at
2792 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2793 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2794 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2795 time or var for passing by reference for
2796 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2797 TREE_ADDRESSABLE variables when passing by reference.
2799 * omp-low.c (dump_omp_region): Fix output formatting.
2802 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2803 (expand_omp_parallel): Likewise.
2804 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2807 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2808 on statement list containing also constructors and destructors.
2809 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2812 * except.c (duplicate_eh_regions): Fix clearing of
2813 cfun->eh->region_array entries.
2815 2006-05-01 DJ Delorie <dj@redhat.com>
2817 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2819 (gcc_cv_objdump): Likewise.
2820 * configure: Regenerated.
2822 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2825 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2826 templates for case 3 and 4.
2828 2006-05-01 DJ Delorie <dj@redhat.com>
2830 * vec.c: Include bconfig.h when appropriate.
2831 * Makefile.in (build/vec.o): Adjust dependencies.
2832 * mkconfig.sh: Make sure config.h isn't used for build machine
2835 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2837 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2839 (mark_phi_for_rewrite): New function.
2840 (insert_phi_nodes_for, mark_use_interesting): Call
2841 mark_phi_for_rewrite.
2842 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2843 (update_ssa): Initialize and free phis_to_rewrite.
2845 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2847 PR rtl-optimization/27291
2848 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2849 folded to a constant.
2851 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2853 PR tree-optimization/27283
2854 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2855 not whole # of iteration descriptions.
2856 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2857 uses abnormal ssa name.
2858 (niter_for_single_dom_exit): Ditto.
2859 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2860 return just the number of iterations.
2862 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2864 PR tree-optimization/27144
2865 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2866 (record_estimate): Only record constant upper bound.
2867 (infer_loop_bounds_from_undefined): Call
2868 compute_estimated_nb_iterations just once.
2869 (proved_non_wrapping_p): Renamed to ...
2870 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2871 (convert_step_widening, scev_probably_wraps_p): Call
2872 n_of_executions_at_most instead of proved_non_wrapping_p.
2873 (substitute_in_loop_info): Do not replace values in bounds.
2874 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2877 2006-05-01 Richard Henderson <rth@redhat.com>
2880 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2881 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2884 2006-05-01 Roger Sayle <roger@eyesopen.com>
2886 * c-typeck.c (parser_build_binary_op): Don't call the function
2887 unsigned_conversion_warning to spot operand/result type overflow.
2888 (build_binary_op): Instead, call convert_and_check instead of
2889 convert to report the problem when the operands are promoted.
2890 * c-common.c (unsigned_conversion_warning): Make static.
2891 * c-common.h (unsigned_conversion_warning): Delete prototype.
2893 2006-05-01 Richard Guenther <rguenther@suse.de>
2895 PR tree-optimization/26726
2896 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2898 (find_interesting_uses_address): ... we work around here
2899 by folding INDIRECT_REFs in the substituted base.
2901 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2903 * omp-low.c (dump_omp_region): Add newlines.
2905 2006-04-30 Roger Sayle <roger@eyesopen.com>
2907 * common.opt (Woverflow): New command line option.
2908 * c-common.c (constant_expression_warning): Check warn_overflow.
2909 (overflow_waring): Pass OPT_Woverflow to warning.
2910 (unsigned_conversion_warning): Likewise.
2911 (convert_and_check): Likewise.
2912 * doc/invoke.texi: Document new command line option.
2914 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2916 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2917 TARGET_NO_FP_IN_TOC for section anchors.
2918 (optimization_options): Enable section anchors for all
2919 non-"Objective" languages.
2921 2006-04-28 Eric Christopher <echristo@apple.com>
2923 * config/darwin-c.c (darwin_ms_struct): Move this
2924 (darwin_set_default_type_attributes): and this...
2925 * config/darwin.c: ... here.
2926 * config/darwin.h (darwin_ms_struct): Declare.
2928 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2930 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2932 2006-04-28 Roger Sayle <roger@eyesopen.com>
2935 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2936 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2937 an unsigned HOST_WIDE_INT.
2938 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2940 (really_start_incremental_init): No need to call convert because
2941 bitsize_zero_node is already of type bitsizetype.
2942 (push_init_level): Extract the value of constructor_index as an
2943 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2944 (process_init_element): Likewise.
2946 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2948 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2949 value before passing to make_relative_prefix.
2951 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2954 * builtins.c (expand_builtin_memset): Expand val in original mode.
2956 2006-04-27 Eric Christopher <echristo@apple.com>
2958 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2959 with #ifndef/#endif.
2960 * config/darwin-c.c (darwin_ms_struct): New.
2961 (darwin_pragma_ms_struct): Ditto.
2962 (darwin_set_default_type_attributes): Ditto.
2963 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2964 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2965 Register ms_struct pragma.
2966 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2967 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2968 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2969 darwin_set_default_type_attributes if TARGET_MACHO.
2971 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2973 PR tree-optimization/26854
2974 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2975 * doc/tree-ssa.texi: Update immuse iterator documentation.
2976 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2977 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2978 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2979 first_safe_imm_use, next_safe_imm_use): Remove.
2980 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2981 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2982 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2983 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2984 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2985 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2986 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2987 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2988 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2989 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2990 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2991 (perfect_nestify): Use new iterator.
2992 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2994 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2995 (next_imm_name): New field in struct immediate_use_iterator_d.
2996 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2997 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2998 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2999 * tree-cfg.c (replace_uses_by): Use new iterator.
3000 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3001 * tree-ssa-operands.c (correct_use_link): Remove.
3002 (finalize_ssa_use_ops): No longer call correct_use_link.
3004 2006-04-27 Stuart Hastings <stuart@apple.com>
3006 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3007 * config/t-darwin (crt3.o): Use it.
3008 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3009 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3010 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3011 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3012 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3015 2006-04-27 Roger Sayle <roger@eyesopen.com>
3017 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3018 size, force the intermediate into a new pseudo rather instead of
3019 performing both a bitwise AND and a bitwise IOR in memory.
3021 2006-04-27 Richard Guenther <rguenther@suse.de>
3023 PR rtl-optimization/26685
3024 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3025 this one "max-flow-memory-locations".
3027 2006-04-27 Richard Guenther <rguenther@suse.de>
3029 PR tree-optimization/25148
3030 * tree-vrp.c (compare_values): Remove code dealing with
3031 comparisons against type min/max value. Honour overflow
3032 and negative constants in code dealing with comparisons
3033 of plus and minus expressions.
3034 (value_inside_range): Use fold_binary with LE_EXPR and
3035 GE_EXPR rather than compare_values.
3037 2006-04-27 Dirk Mueller <dmueller@suse.de>
3039 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3042 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3044 * basic-block.h (safe_insert_insn_on_edge): Removed.
3045 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3047 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3048 Paolo Bonzini <bonzini@gnu.org>
3051 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3052 (simplify_and_const_int): Same.
3054 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3056 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3058 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3061 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3062 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3063 cgraph_global_info_ready.
3066 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3069 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3070 either decl or init is error_mark_node.
3073 * tree-flow.h (struct omp_region): Add sched_kind.
3074 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3075 instead of extracting omp for data.
3076 (expand_omp_for): Save extracted sched_kind.
3078 2006-04-25 Roger Sayle <roger@eyesopen.com>
3080 * expmed.c (store_bit_field): Also check whether the bitsize is
3081 valid for the machine's "insv" instruction before moving the
3082 target into a pseudo for use with the insv.
3083 * config/i386/predicates.md (const8_operand): New predicate.
3084 * config/i386/i386.md (extv, extzv, insv): Use the new
3085 const8_operand predicate where appropriate.
3087 2006-04-25 DJ Delorie <dj@redhat.com>
3089 * doc/install.texi (Specific): Clarify that this is not a list of
3090 supported hosts or targets.
3092 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3094 PR rtl-optimization/26725
3095 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3096 block's BB_DIRTY flag.
3098 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3100 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3103 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3104 to print an integer.
3106 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3108 * varasm.c (align_variable): New function.
3109 (get_block_for_decl): Apply align_variable to DECL before
3110 calculating section information.
3111 (assemble_variable): Split out alignment computation.
3113 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3115 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3118 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3120 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3121 MODE_PARTIAL_INT mode.
3122 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3123 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3125 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3126 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3128 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3130 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3132 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3133 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3134 MACFLAG_IH): Likewise.
3135 (movstricthi_1): Renamed from "*movstricthi".
3136 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3137 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3138 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3139 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3140 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3141 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3142 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3143 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3144 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3145 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3146 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3147 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3148 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3149 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3150 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3152 * doc/rtl.texi (ss_ashift): Improve wording.
3154 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3156 * dwarf2out.c (verify_marks_clear): New.
3157 (prune_unused_types): Call verify_marks_clear initially, not
3160 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3162 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3163 * doc/rtl.texi: Document them.
3164 * simplify-rtx.c (simplify_unary_operation,
3165 simplify_binary_operation_1): Don't abort when we see them.
3167 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3170 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3171 * configure.ac: Completely disregard languages that are not
3173 * configure: Regenerated.
3175 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3176 Richard Guenther <rguenther@suse.de>
3178 PR tree-optimization/27236
3179 * tree-inline.c (copy_body_r): Make sure to copy
3180 TREE_THIS_VOLATILE flag.
3182 2006-04-24 Richard Guenther <rguenther@suse.de>
3185 * tree-complex.c (update_parameter_components): Don't handle
3186 unused parameters which have no default def.
3188 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3189 Richard Guenther <rguenther@suse.de>
3191 PR tree-optimization/27218
3192 * tree-inline.c (expand_call_inline): Strip useless type
3193 conversions for the return slot address.
3195 2006-04-24 Richard Guenther <rguenther@suse.de>
3197 * cfgloop.h (struct loops): Remove unused field array. Reorder
3199 (LOOP_PREFETCH): Remove.
3201 2006-04-24 Richard Guenther <rguenther@suse.de>
3203 PR tree-optimization/22525
3204 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3205 variable, adjust types of generated expressions.
3207 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3209 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3210 (tree-vect-patterns.o): Likewise.
3212 (cselib.o): Likewise.
3213 (loop-doloop.o): Likewise.
3214 (regclass.o): Likewise.
3215 (reload1.o): Likewise.
3216 (explow.o): Replace target.h with $(TARGET_H).
3217 (ipa-prop.o): Likewise.
3218 (ipa-cp.o): Likewise.
3219 (ipa-inline.o): Likewise.
3220 (reorg.o): Likewise.
3221 (reg-stack.o): Likewise.
3223 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3225 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3227 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3229 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3231 * configure.ac: Completely disregard languages that are not
3233 * configure: Regenerated.
3236 * c-common.h (c_build_bitfield_integer_type): Declare.
3237 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3238 * c-common.c (c_build_bitfield_integer_type): ... here.
3240 2006-04-23 Roger Sayle <roger@eyesopen.com>
3243 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3244 a SImode SUBREG of a floating point register after no_new_pseudos.
3246 2006-04-23 Roger Sayle <roger@eyesopen.com>
3248 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3249 identify potentially eliminable registers to additionally catch
3250 VIRTUAL_INCOMING_ARGS_REGNUM.
3251 (addsi3): Update the conditions on when to use addsi_small_int.
3253 2006-04-23 Roger Sayle <roger@eyesopen.com>
3256 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3257 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3258 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3260 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3262 * fold-const.c (range_predecessor): Use operand_equal_p
3263 as the predicate for equality.
3264 (range_successor): Likewise.
3266 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3269 * config/soft-fp/op-common.h: Fix a typo.
3271 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3274 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3275 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3277 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3279 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3281 * doc/tm.texi: Fix a typo.
3283 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3285 * dwarf2out.c (struct die_struct): Document that die_sib makes
3286 a circular linked list.
3287 (FOR_EACH_CHILD): New.
3288 (reverse_die_lists): Delete.
3289 (reverse_all_dies): Delete.
3290 (add_dwarf_attr): Correct documentation.
3291 (remove_child_with_prev): New.
3292 (remove_child_TAG): Update for change to die_struct, use
3293 remove_child_with_prev.
3294 (add_child_die): Update for change to die_struct.
3295 (splice_child_die): Use remove_child_with_prev and add_child_die.
3296 (print_die): Use FOR_EACH_CHILD.
3297 (die_checksum): Likewise.
3298 (assign_symbol_names): Likewise.
3299 (output_location_lists): Likewise.
3300 (build_abbrev_table): Likewise.
3301 (calc_die_sizes): Likewise.
3302 (mark_dies): Likewise.
3303 (unmark_dies): Likewise.
3304 (unmark_all_dies): Likewise.
3305 (output_die): Likewise.
3306 (prune_unused_types_mark): Likewise.
3307 (prune_unused_types_walk): Likewise.
3308 (same_die_p): Update for change to die_struct.
3309 (break_out_includes): Likewise.
3310 (prune_unused_types_prune): Likewise.
3311 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3312 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3314 (dwarf2out_finish): Don't call reverse_all_dies.
3316 2006-04-21 Eric Christopher <echristo@apple.com>
3318 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3319 in comments and function names.
3321 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3324 * c-typeck.c (digest_init): Robustify.
3326 * c-typeck.c (pop_init_level): Simplify.
3328 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3330 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3332 2006-04-21 Paul Brook <paul@codesourcery.com>
3334 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3335 hardware floating point.
3337 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3339 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3342 2006-04-21 Nick Clifton <nickc@redhat.com>
3344 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3347 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3350 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3351 C++ lang type in traceback table for Objective-C++.
3353 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3355 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3357 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3359 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3362 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3363 were errors. Remove check for erroneous objects.
3365 2006-04-20 Jeff Law <law@redhat.com>
3367 PR tree-optimization/26854
3368 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3369 checking for zero or one use.
3370 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3371 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3372 * tree-ssa-reassoc.c (negate_value): Similarly.
3373 (reassociate_bb): Similarly.
3375 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3377 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3378 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3379 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3381 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3383 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3384 fp regs if the last fp arg doesn't fit in regs.
3386 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3389 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3390 that the last insn has the REG_INC note.
3392 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3393 Nathan Sidwell <nathan@codesourcery.com>
3396 * stor-layout.c (update_alignment_for_field): Do not align
3398 (place_union_field): Place union field at the start of the union.
3399 (place_field): Move ERROR_MARK check later, and use the current
3400 allocation position to maintain monotonicity.
3402 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3404 * dominance.c: Include timevar.h.
3405 (calculate_dominance_info): Use TV_DOMINANCE.
3406 * timevar.def (TV_DOMINANCE): New timevar.
3407 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3409 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3411 PR rtl-optimization/14261
3412 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3413 move would be an INSV insn.
3414 (noce_process_if_block): Don't optimize if the destination is a
3415 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3417 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3419 * config/s390/s390.md: Add comments with the instructions emitted
3420 by an insn pattern if macros are used.
3422 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3424 PR rtl-optimization/26026
3425 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3426 is a known power of two shifted left a variable amount.
3428 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3430 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3431 to hash table twice when the debug_str section has SECTION_MERGE.
3433 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3435 * config/soft-fp: New directory. From glibc.
3436 * config/soft-fp/t-softfp: New.
3437 * config/soft-fp/README: New.
3438 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3439 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3440 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3441 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3442 * config.gcc: Use rs6000/t-fprules-fpbit or
3443 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3445 * config/rs6000/sfp-machine.h: New. Based on glibc.
3446 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3448 * config/rs6000/t-fprules: Remove fp-bit rules.
3449 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3450 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3451 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3452 (softfp_wrap_start, softfp_wrap_end): New.
3454 2006-04-18 DJ Delorie <dj@redhat.com>
3456 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3458 2006-04-18 Devang Patel <dpatel@apple.com>
3460 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3462 2006-04-18 Nick Clifton <nickc@redhat.com>
3464 * config/sh/t-symbian: Add rule to build sh-c.o
3465 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3466 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3467 (sh_symbian_encode_section_info): Likewise.
3469 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3471 * builtins.c (expand_builtin_strcmp): Cover label definition of
3472 do_libcall with HAVE_cmpstrnsi.
3474 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3476 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3478 * function.h (temp_slot_p): New.
3479 (function): Change the type of x_used_temp_slots to
3480 VEC(temp_slot_p,gc) *.
3482 2006-04-18 Nick Clifton <nickc@redhat.com>
3484 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3485 flag_strength_reduce.
3487 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3489 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3493 Partial revert of revision 112637
3494 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3495 Dale Johannesen <dalej@apple.com>
3498 * regclass.c (struct reg_pref): Update documentation.
3499 (regclass): Set prefclass to NO_REGS if memory is the best option.
3500 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3502 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3504 PR tree-optimization/26821
3505 * tree-ssa-math-opts.c (get_constant_one): New.
3506 (insert_reciprocals): Use it.
3508 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3510 * dwarf2out.c (free_AT): Delete.
3511 (remove_AT): Update string ref counts.
3512 (remove_child_TAG): Don't call free_die.
3514 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3515 or DW_TAG_GNU_EINCL.
3516 (prune_unused_types_walk_attribs): Reset string refcounts.
3517 (prune_unused_types_update_strings): New.
3518 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3519 call free_die. Do call prune_unused_types_update_strings.
3520 (prune_unused_types): Empty debug_str_hash.
3522 2006-04-17 Roger Sayle <roger@eyesopen.com>
3524 * expr.c (expand_assignment): Optimize away no-op moves where the
3525 source and destination are equal and have no side-effects.
3527 2006-04-17 Richard Guenther <rguenther@suse.de>
3530 * reload.c (push_reload): Guard calls to get_secondary_mem
3533 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3535 * alias.c (reg_base_value, old_reg_base_value): Change the
3536 type to VEC(rtx,gc) *.
3537 (REG_BASE_VALUE, find_base_value, record_set,
3538 init_alias_analysis): Use VEC instead of VARRAY.
3540 * alias.c (alias_sets): Change the type to
3541 VEC(alias_set_entry,gc) *.
3542 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3543 VEC instead of VARRAY.
3544 (last_alias_set): Remove.
3546 * cgraph.h (cgraph_edge_p): New.
3547 Update the prototype of cgraph_function_versioning.
3548 * cgraphunit.c (cgraph_copy_node_for_versioning,
3549 cgraph_function_versioning): Use VEC instead of VARRAY.
3550 * ipa-cp.c (ipcp_insert_stage): Likewise.
3552 2006-04-16 Roger Sayle <roger@eyesopen.com>
3555 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3556 "A op B" or "A op C", we may need to convert A to the type of B and C.
3558 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3560 * target.h (struct gcc_target): Add mode_rep_extended.
3561 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3562 (init_num_sign_bit_copies_in_rep): Initialize it using
3564 (truncate_to_mode): Use it.
3565 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3566 * targhooks.h (default_mode_rep_extended): Declare it.
3567 * targhooks.c (default_mode_rep_extended): Define it.
3568 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3569 default_mode_rep_extended.
3570 (TARGET_INITIALIZER): Include it.
3571 * doc/tm.texi (Misc): Document it.
3572 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3573 (mips_truncated_to_mode): New function.
3575 2006-04-16 Roger Sayle <roger@eyesopen.com>
3578 * expr.c (compress_float_constant): Copy the narrow constant into
3579 a new pseudo before extending it to its final width.
3581 2006-04-16 Roger Sayle <roger@eyesopen.com>
3582 Andrew Pinski <pinskia@gcc.gnu.org>
3583 Dale Johannesen <dalej@apple.com>
3586 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3587 special case code to implement V8HImode and V16QImode with SSE2.
3589 2006-04-15 Roger Sayle <roger@eyesopen.com>
3591 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3592 trees are constructed with a suitable tree type.
3594 2006-04-15 Roger Sayle <roger@eyesopen.com>
3596 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3597 (integer_onep): Likewise.
3598 (integer_all_onesp): Likewise.
3599 (integer_pow2p): Likewise.
3600 (integer_nonzerop): Likewise.
3601 (real_zerop): Likewise.
3602 (real_onep): Likewise.
3603 (real_twop): Likewise.
3604 (real_minus_onep): Likewise.
3605 (int_size_in_bytes): Likewise.
3606 (host_integerp): Likewise.
3608 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3610 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3611 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3612 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3614 * tree-ssa-structalias.h (alias_info): Remove num_references.
3616 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3618 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3619 (output_bvb patterns): Likewise.
3620 * pa.c (output_bb): Use 'bb' insn for long branch case.
3621 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3622 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3623 1. Correct length operand for alternatives 1 and 2.
3624 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3625 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3627 2006-04-14 Roger Sayle <roger@eyesopen.com>
3629 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3630 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3631 were accidentally reverted by r112959.
3633 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3636 * except.h (eh_region_outermost): New prototype.
3637 * except.c (eh_region_outermost): New function.
3638 * tree-cfg.c (find_outermost_region_in_block): Use it.
3640 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3642 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3644 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3645 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3646 (init_reload, reload): Use VEC instead of VARRAY.
3647 * reload.h: Update the prototype for
3648 reg_equiv_memory_loc_varray.
3650 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3651 Eric Botcazou <ebotcazou@libertysurf.fr>
3653 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3656 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3659 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3660 to expand fallback builtin function call.
3662 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3665 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3666 and emit libcall here in case the builtin fails.
3667 (expand_builtin_strcmp): Always emit the libcall here on failure.
3669 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3671 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3672 * flow.c (reg_n_info): Change the type to
3673 VEC(reg_info_p,heap) *.
3674 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3676 * regs.h (reg_info_p): New.
3677 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3678 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3679 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3682 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3684 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3686 * params.h (MAX_SCHED_READY_INSNS): New macro.
3687 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3688 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3689 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3690 the ready list for 1 cycle during the first scheduling pass.
3691 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3693 2006-04-13 Richard Henderson <rth@redhat.com>
3696 * gimple-low.c (lower_omp_directive): Remove dead code.
3697 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3698 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3699 * omp-low.c (struct omp_region): Move to tree-flow.h.
3700 (root_omp_region): Export.
3701 (omp_regions, lookup_omp_region): Remove.
3702 (determine_parallel_type): Update for struct omp_region changes.
3703 (dump_omp_region): Dump regions with block numbers.
3704 (new_omp_region): Take type and block instead of stmt; malloc
3706 (free_omp_region_1, free_omp_regions): New.
3707 (expand_parallel_call): Take entry_stmt as argument; update for
3708 changes to omp_region.
3709 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3710 (remove_exit_barriers): New.
3711 (expand_omp_parallel): Update for struct omp_region changes.
3712 (expand_omp_synch): Likewise.
3713 (expand_omp): Likewise.
3714 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3715 (expand_omp_for_static_chunk): Likewise.
3716 (expand_omp_for): Likewise.
3717 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3718 (expand_omp_sections): Similarly, with GOMP_sections_end.
3719 (expand_omp_single): New.
3720 (build_omp_regions_1): Update for OMP_CONTINUE.
3721 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3722 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3723 OMP_SECTIONS_SECTIONS.
3724 (lower_omp_single_simple): Don't emit barrier here.
3725 (lower_omp_single_copy): Likewise.
3726 (lower_omp_single): Fix bindings, and lower to straightline now.
3727 (lower_omp_master, lower_omp_ordered): Likewise.
3728 (lower_omp_critical): Likewise.
3729 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3730 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3731 omp edges, free it afterward.
3732 (make_omp_sections_edges): Remove.
3733 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3734 (move_stmt_r): Handle OMP_CONTINUE.
3735 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3736 statement pointers to basic blocks. Add type member.
3737 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3738 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3739 * tree-inline.c (estimate_num_insns_1): Likewise.
3740 * tree-pretty-print.c (dump_generic_node): Likewise.
3741 * tree-ssa-operands.c (get_expr_operands): Likewise.
3742 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3743 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3744 (OMP_CONTINUE): New.
3745 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3746 (OMP_SECTIONS_SECTIONS): Remove.
3747 (OMP_SECTION_LAST): New.
3748 (OMP_RETURN_NOWAIT): New.
3750 2006-04-13 Roger Sayle <roger@eyesopen.com>
3752 * fold-const.c (native_encode_vector, native_interpret_real):
3753 Correct obvious mistakes in the previous check-in.
3755 2006-04-13 Roger Sayle <roger@eyesopen.com>
3757 * fold-const.c (native_encode_expr): New function to encode
3758 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3759 or VECTOR_CST into a specified buffer.
3760 (native_encode_int): New function.
3761 (native_encode_real): New function.
3762 (native_encode_complex): New function.
3763 (native_encode_vector): New function.
3764 (native_interpret_expr): Inverse of native_encode_expr to convert
3765 a target representation into an INTEGER_CST, REAL_CST etc...
3766 (native_interpret_int): New function.
3767 (native_interpret_real): New function.
3768 (native_interpret_complex): New function.
3769 (native_interpret_vector): New function.
3770 (fold_view_convert_expr): New function to constant fold/evaluate
3771 a VIEW_CONVERT_EXPR of a suitable constant expression.
3772 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3773 Change call of build1 to fold_build1 when constructing a
3776 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3777 Ulrich Weigand <uweigand@de.ibm.com>
3780 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3783 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3786 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3787 optimize to lo_sum for DFmode if !TARGET_FPRS.
3789 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3791 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3792 delete_alias_info, compute_flow_sensitive_aliasing,
3793 group_aliases): Use VEC instead of VARRAY.
3794 * tree-ssa-structalias.c (update_alias_info): Likewise.
3795 * tree-ssa-structalias.h (alias_info): Change the type of
3796 processed_ptrs to VEC(tree,heap) *.
3798 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3801 * config/sh/lib1funcs.h: New file, broken out of:
3802 * config/sh/lib1funcs.asm.
3803 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3805 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3806 * config/sh/lib1funcs-Os-4-200.asm: New file.
3807 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3808 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3809 (EXTRA_MULTILIB_PARTS): Include it.
3810 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3811 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3812 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3813 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3816 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3818 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3819 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3820 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3822 * tree-ssa-live.h: Include vecprim.h.
3823 (tree_partition_associator_d): Change the type of
3824 first_partition to VEC(int,heap) *.
3825 (tpa_first_partition): Use VEC instead of VARRAY.
3827 * Makefile.in (GTFILES): Move functions.h after tree.h.
3828 * function.c (reset_block_changes, record_block_change,
3829 check_block_change, free_block_changes): Use VEC instead of
3831 * function.h (function): Change the type of
3832 ib_boundaries_block to VEC(tree,gc) *.
3833 * tree-inline.c (copy_cfg_body): Initialize
3834 ib_boundaries_block to NULL instead of (varray_type) 0.
3836 2006-04-12 Roger Sayle <roger@eyesopen.com>
3838 * expr.c (emit_group_store): Correct operand order in call to
3839 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3840 a SUBREG_BYTE of zero.
3842 2006-04-12 Richard Guenther <rguenther@suse.de>
3844 * profile.c (compute_branch_probabilities): Remove code
3845 encapsulated in !ir_type (), which are remanents of the
3846 removed RTL profiling code.
3847 * rtl-profile.c: Remove.
3849 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3851 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3852 magic NULL_RTX comment.
3853 (function_arg): Store entire fp arg to mem if any part should go
3855 (rs6000_arg_partial_bytes): Adjust for above change.
3857 2006-04-11 Roger Sayle <roger@eyesopen.com>
3859 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3860 if it hasn't been initialized by dwarf2out_init.
3862 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3864 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3865 symbolic constants in branch patterns.
3867 2006-04-11 Roger Sayle <roger@eyesopen.com>
3869 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3871 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3873 PR rtl-optimization/27073
3874 * gcse.c (try_replace_reg): Revert last change. Continue to search
3875 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3878 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3880 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3881 aggregate types other than record and union types.
3882 (function_arg): Likewise.
3883 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3885 (function_value): In 64-bit mode, return objects that require it
3888 2006-04-11 Roger Sayle <roger@eyesopen.com>
3890 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3892 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3894 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3896 2006-04-03 Jeff Law <law@redhat.com>
3899 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3900 alias information too.
3902 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3904 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3906 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3909 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3910 (premark_used_types_helper): New.
3911 (premark_used_types): New.
3912 (gen_subprogram_die): Call premark_used_types.
3913 (prune_unused_types_walk): Do not prune perennial dies.
3914 * function.c (used_types_insert): New.
3915 * function.h (struct function): Add used_types_hash field.
3916 (used_types_insert): Add prototype.
3917 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3918 * c-parser.c (c_parser_cast_expression): Save casted types in used
3921 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3924 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3925 rs6000_explicit_options.float_gprs.
3927 2006-04-10 Roger Sayle <roger@eyesopen.com>
3929 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3930 from ix86_expand_vector_init_low_nonzero. Take an additional
3931 one_var argument indicating which element is non-zero. Support
3932 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3933 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3934 with one_var instead of ix86_expand_vector_init_low_nonzero.
3936 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3938 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3939 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3940 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3941 build/genextract.o): Depend on vecprim.h.
3942 * cfglayout.c, df-problems.c, function.c, genextract.c,
3943 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3944 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3948 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3950 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3951 Declare VECs of this type.
3952 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3953 (remove_children): Delete.
3954 (add_dwarf_attr): Use VEC routines.
3955 (add_AT_flag): Update for changes to add_dwarf_attr.
3956 (add_AT_int): Likewise.
3957 (add_AT_unsigned): Likewise.
3958 (add_AT_long_long): Likewise.
3959 (add_AT_vec): Likewise.
3960 (add_AT_string): Likewise.
3961 (add_AT_die_ref): Likewise.
3962 (add_AT_fde_ref): Likewise.
3963 (add_AT_loc): Likewise.
3964 (add_AT_loc_list): Likewise.
3965 (add_AT_addr): Likewise.
3966 (add_AT_lbl_id): Likewise.
3967 (add_AT_lineptr): Likewise.
3968 (add_AT_macptr): Likewise.
3969 (add_AT_offset): Likewise.
3970 (add_AT_range_list): Likewise.
3971 (get_AT): Use VEC_iterate.
3972 (remove_AT): Use VEC_ordered_remove.
3973 (free_die): Fold remove_children into here; have it use VEC_iterate.
3974 (print_die): Use VEC_iterate on attrs.
3975 (reverse_die_lists): Don't reverse attr lists.
3976 (die_checksum): Use VEC_iterate on attrs.
3977 (same_die_p): Likewise.
3978 (output_location_lists): Likewise.
3979 (build_abbrev_table): Likewise.
3980 (size_of_die): Likewise.
3981 (unmark_all_dies): Likewise.
3982 (output_abbrev_section): Likewise.
3983 (output_die): Likewise.
3984 (prune_unused_types_walk_attribs): Likewise.
3986 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3988 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3990 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3993 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3995 2006-04-09 Roger Sayle <roger@eyesopen.com>
3997 * expr.c (store_constructor): Don't bother clearing target if
3998 we're about to assign a vector to it using vec_init_optab.
4000 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4002 * tree-ssa-alias.c (lhs_may_store_to): New function.
4003 (recalculate_used_alone): Handle LHS of calls.
4005 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4009 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4010 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4011 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4012 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4013 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4014 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4015 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4016 stubs. Add ".align 8" directives before all ".dword" directives.
4017 (GTHREAD_USE_WEAK): Revise comment.
4018 (TARGET_ATTRIBUTE_WEAK): Define.
4019 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4020 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4021 * stublib.c: New file.
4026 * pa.md (cbranch patterns): Revise arguments used in calls to
4027 output_cbranch, output_bb and output_bvd. Add long branch length
4029 (fbranch patterns): Handle long branches.
4030 (jump): Revise length check. Revise arguments for output_lbranch call.
4031 Add long branch length attributes.
4032 (decrement_and_branch_until_zero): Add long branch length attributes.
4033 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4034 Likewise. Revise arguments for output_parallel_addb and
4035 output_parallel_movb calls.
4036 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4037 output_parallel_movb and output_parallel_addb): Update prototypes.
4038 * pa.c (output_cbranch): Revise arguments. Correct handling of
4039 nullification in long branches.
4040 (output_lbranch): Add new argument to control extraction of delay
4042 (output_bb): Handle long branches.
4043 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4044 output_parallel_addb): Likewise.
4046 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4048 PR rtl-optimization/27073
4049 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4052 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4054 * tree.h (tree_memory_tag): Add old_used_alone.
4055 (SMT_OLD_USED_ALONE): New macro.
4056 * tree-ssa-alias.c (recalculate_used_alone): Stop
4057 marking things for renaming unnecessarily.
4059 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4061 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4062 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4063 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4064 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4065 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4066 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4067 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4068 spelling convensions.
4069 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4070 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4071 typos. Follow spelling conventions.
4073 2006-04-07 DJ Delorie <dj@redhat.com>
4075 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4076 passed on the stack.
4077 (m32c_init_cumulative_args): When a function returns a structure,
4078 always pass the pointer to that return area on the stack.
4079 (m32c_function_arg_advance): Don't increment the parameter number
4080 if we're processing the returned structure pointer.
4081 (pushm_info): Reverse order of registers.
4083 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4085 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4086 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4087 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4088 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4090 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4091 chrec_fold_multiply): Same.
4092 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4093 force_expr_to_var_cost): Same.
4094 * tree-mudflap.c (mf_xform_derefs_1): Same.
4095 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4097 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4099 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4100 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4103 2006-04-07 Jan Hubicka <jh@suse.cz>
4105 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4107 2006-04-07 Richard Guenther <rguenther@suse.de>
4109 PR tree-optimization/26135
4110 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4111 loads for store copy-prop.
4112 (copy_prop_visit_stmt): Likewise.
4114 2006-04-05 Robert Millan <robertmh@gnu.org>
4116 * config/i386/linux.h: Add a comment to mark macros that are
4117 being overriden in config/k*bsd-gnu.h.
4118 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4120 * config/knetbsd-gnu.h: Ditto.
4122 2006-04-06 Jan Hubicka <jh@suse.cz>
4126 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4129 2006-04-06 Mike Stump <mrs@apple.com>
4131 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4132 for HAVE_nonlocal_goto to be consistent.
4133 (expand_builtin_nonlocal_goto): Likewise.
4134 (expand_builtin_strcmp): Use #ifdef instead of #if
4135 for HAVE_cmpstrnsi to be consistent.
4137 2006-04-05 DJ Delorie <dj@redhat.com>
4139 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4142 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4144 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4145 got-relative addressing for anything but SImode.
4147 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4148 even if the calling function doesn't modify them.
4150 2006-04-05 Richard Guenther <rguenther@suse.de>
4152 PR tree-optimization/26919
4153 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4154 to cgraph_estimate_size_after_inlining.
4156 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4158 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4160 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4162 PR tree-optimization/26996
4163 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4164 VECTOR_TYPE variables.
4166 2006-04-05 Richard Guenther <rguenther@suse.de>
4168 PR tree-optimization/26763
4169 * fold-const.c (fold_comparison): Move folding of
4170 PTR + CST CMP PTR + CST ...
4171 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4173 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4175 * doc/install.texi (Prerequisites): Refine some wording on
4176 bootstrapping and ksh.
4177 Move the version numbers of DejaGnu here from the testing section
4178 and fix casing of names.
4179 Fix markup and clarify wording for autogen requirements.
4180 Refer to GCJ instead of just java.
4181 Refer to SVN instead of CVS.
4182 Describe diffutils as useful instead of necessary.
4183 (Downloading the source): Refer to SVN instead of CVS.
4184 Adjust a link to our web site accordingly.
4185 (Configuration): Fix casing of Bison.
4186 (Building): Refer to SVN instead of CVS.
4187 Fix a sentence on the use of Bison and remove duplicate (and
4188 incorrect) version number of Bison requirement.
4189 Remove one redundant list of packages needed for building.
4190 (Specific): Avoid reference to CVS.
4192 2006-04-04 Eric Christopher <echristo@apple.com>
4194 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4195 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4196 (rs6000_handle_struct_attribute): New.
4197 (rs6000_ms_bitfield_layout_p): Ditto.
4199 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4201 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4202 NULL for dso parameter to atexit_common.
4204 2006-04-04 Eric Christopher <echristo@apple.com>
4206 * config/i386/i386.c (machopic_output_stub): Output \t
4207 between instructions and operands.
4209 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4211 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4212 satisfies_constraint_[IL] to explicit tests on value.
4214 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4216 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4217 set_nb_iterations_in_loop): Use build_int_cst instead of
4219 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4220 build_int_cst instead of convert.
4222 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4224 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4225 new value 2 for incoming.
4226 * function.c (expand_function_start): Call struct_value_rtx
4228 * config/sparc/sparc.md: Comment updated_return.
4229 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4230 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4231 struct return if sparc_std_struct_return and incoming is 2.
4232 (print_operand): Do not adjust return if
4233 sparc_std_struct_return.
4235 2006-04-04 Roger Sayle <roger@eyesopen.com>
4237 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4238 convert in the middle-end.
4239 * expr.c (store_expr, store_constructor, get_inner_reference,
4240 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4242 * tree.c (build_range_type): Likewise.
4244 2006-04-04 Tom Tromey <tromey@redhat.com>
4246 * doc/install.texi (Prerequisites): Mention jar.
4248 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4250 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4253 2006-04-04 Matthias Klose <doko@debian.org>
4255 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4256 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4259 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4261 * doc/extend.texi (Function Attributes): Rewrite visibility
4262 attribute documentation.
4263 * doc/invoke.texi (C++ Dialect Options): Rewrite
4264 -fvisibility-inlines-hidden documentation to describe something
4265 entirely different, although in practise compatible.
4266 (Code Gen Options): Warn about system headers in -fvisibility=
4269 * doc/extend.texi (Other Builtins): Document that
4270 __builtin_nan is a compile-time constant only when its argument
4273 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4275 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4276 trying to remove TRUNCATE check if all bits outside the new mode
4277 are identical to the sign bit.
4279 2006-04-03 Jeff Law <law@redhat.com>
4281 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4282 and operand scanning in some common cases.
4284 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4285 Dale Johannesen <dalej@apple.com>
4288 * regclass.c (struct reg_pref): Update documentation.
4289 (regclass): Set prefclass to NO_REGS if memory is the best option.
4290 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4291 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4292 into account. For non-registers, equate an empty preferred
4293 reload class to a `!' in the constraint; move the if clause to
4294 do so after those that reject the insn.
4295 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4297 (find_dummy_reload): Likewise.
4298 * doc/tm.texi (Register Classes): Document what it means
4299 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4300 * config/i386/i386.c (ix86_preferred_reload_class): Force
4301 using SSE registers (and return NO_REGS for floating-point
4302 constants) if math is done with SSE.
4303 (ix86_preferred_output_reload_class): New.
4304 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4305 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4306 * config/i386/i386.md: Remove # register preferences.
4308 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4311 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4312 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4313 the type of nb_iter.
4314 (instantiate_parameters_1): Convert the operands before calling
4315 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4316 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4318 2006-04-02 Roger Sayle <roger@eyesopen.com>
4320 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4321 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4323 * dojump.c (do_jump): Likewise.
4324 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4325 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4326 gimplify_boolean_expr): Likewise.
4327 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4328 * varasm.c (array_size_for_constructor): Likewise.
4329 * tree-object-size.c (compute_object_offset): Likewise.
4331 2006-04-02 Roger Sayle <roger@eyesopen.com>
4334 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4335 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4337 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4339 PR tree-optimization/26939
4340 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4342 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4344 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4345 at_stmt. Convert the type of operands before calling
4346 build_polynomial_chrec.
4347 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4349 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4350 (instantiate_parameters_1): Convert the type of operands before calling
4351 build_polynomial_chrec.
4352 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4353 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4354 reset_evolution_in_loop): Insert asserts to check the types of the
4356 (chrec_type): Moved...
4357 (eq_evolutions_p): Use operand_equal_p.
4358 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4359 the types of the operands.
4360 (chrec_type): ...here.
4361 * tree-data-ref.c (create_data_ref): Convert the operands before
4362 calling chrec_replace_initial_condition.
4363 (same_access_functions, analyze_subscript_affine_affine,
4364 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4365 (compute_subscript_distance, analyze_ziv_subscript,
4366 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4367 analyze_miv_subscript): Convert the operands before calling
4368 chrec_fold_minus or chrec_fold_plus.
4370 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4372 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4373 the dependence_relations vector.
4374 (compute_data_dependences_for_loop): Adjust call to
4375 compute_all_dependences.
4377 2006-04-01 Roger Sayle <roger@eyesopen.com>
4378 Richard Henderson <rth@redhat.com>
4380 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4381 gimple_boolify on the condition before calling gimplify_expr.
4383 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4385 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4386 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4387 the frame size. Update to use the new macros.
4388 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4389 * config/xtensa/ieee754-df.S: Likewise.
4391 2006-03-31 Richard Henderson <rth@redhat.com>
4393 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4394 (make_edges): ... here. Control fallthru creation with a local
4395 variable. Do not play with fake edges.
4396 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4397 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4400 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4402 * dwarf2.h (DW64_CIE_ID): Define.
4403 * dwarf2out.c (DWARF_CIE_ID): Define.
4404 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4405 length header. Use DWARF_CIE_ID.
4406 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4407 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4409 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4411 * config/sh/linux-atomic.asm: New file.
4412 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4414 2006-03-31 DJ Delorie <dj@redhat.com>
4416 * config/m32c/cond.md: Set condition flags properly throughout.
4417 * config/m32c/minmax.md: Likewise.
4418 * config/m32c/prologue.md: Likewise.
4419 * config/m32c/bitops.md: Likewise.
4420 * config/m32c/muldiv.md: Likewise.
4421 * config/m32c/mov.md: Likewise.
4422 * config/m32c/addsub.md: Likewise.
4423 * config/m32c/m32c.md: Likewise.
4424 * config/m32c/jump.md: Likewise.
4425 * config/m32c/shift.md: Likewise.
4427 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4428 conditionally output the pattern for this.
4429 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4430 (m32c_compare_redundant): New.
4431 (m32c_output_compare): New.
4432 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4434 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4435 dest, not src. Allow other 4-byte modes.
4437 2006-03-30 Denis Chertykov <denisc@overta.ru>
4439 * doc/md.texi: Refer to avr/constraints.md instead of
4442 2006-03-30 Roger Sayle <roger@eyesopen.com>
4444 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4445 signed vs. unsigned comparison failures on some hosts.
4447 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4450 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4451 change to FLOAT_REGS.
4453 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4454 (rs6000_override_options): Use it.
4455 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4456 only for -mabi=spe/no-spe and -mabi=altivec.
4458 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4460 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4463 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4465 * Makefile.in: Rename docdir to gcc_docdir.
4467 2006-03-30 Roger Sayle <roger@eyesopen.com>
4470 * expr.c (emit_group_store): Optimize group stores into a pseudo
4471 register by using a paradoxical subreg to initialize the destination
4472 if the first or last member of the group specifies a "low part".
4474 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4477 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4478 * target.h (struct gcc_target.speculate_insn): Change type of the
4479 second parameter to 'int'.
4480 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4481 the second operand of the DEPS_LIST.
4482 (copy_DEPS_LIST_list): Update reference to the second operand of the
4484 * rtl.h (alloc_DEPS_LIST): Update signature.
4485 * sched-int.h (ds_t): Change typedef to 'int'.
4486 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4488 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4490 * haifa-sched.c (try_ready): Change condition to restore
4491 non-speculative pattern of the instruction.
4492 (process_insn_depend_be_in_spec): Code to keep probability of the
4493 speculative dependence non-decreasing.
4495 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4497 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4498 (single_move_for_movmem): ... this. Also change all uses.
4499 (bfin_expand_strmov): Renamed to...
4500 (bfin_expand_movmem): ... this. Also change all uses.
4501 * config/bfin/bfin.md (movstrsi): Renamed to...
4502 (movstrsi): ...this.
4504 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4506 PR tree-optimization/26830
4508 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4509 (copy_prop_visit_stmt): Remove write-only variable ann.
4510 (init_copy_prop): Check variable loop depth here. Do not simulate
4511 memory-tag and virtual operand PHIs except for store copy prop.
4513 2006-03-30 Richard Guenther <rguenther@suse.de>
4515 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4516 variants with double arguments.
4518 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4520 * genpreds.c (write_tm_constrs_h): Delete variable p.
4521 * genconditions.c (write_header): Add tm-constrs.h to included
4523 * genpeep.c (main): Add toplev.h to included headers.
4524 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4525 (build/genpeep.o): Add toplev.h dependency.
4526 * config/rs6000/constraints.md: Add "W" constraint.
4528 2006-03-29 Roger Sayle <roger@eyesopen.com>
4530 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4531 sizes by correctly testing whether the size fits a host integer.
4532 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4533 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4534 SImode range for the default sizetype and bitsizetype.
4536 2006-03-29 Roger Sayle <roger@eyesopen.com>
4538 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4539 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4540 quickly if the argument is already of the correct type.
4541 Call fold_build1 instead of build1. Tidy up blank lines.
4543 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4545 * genemit.c (main): Add tm-constrs.h to included headers.
4546 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4547 * genpeep.c (main): Add tm-constrs.h to included headers.
4548 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4549 (write_tm_constrs_h): this and write complete file.
4550 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4551 (write_insn_preds_c): Add tm-constrs.h to included headers.
4552 (gen_constrs): New variable.
4553 (parse_option): Parse "-c".
4554 (main): Invoke write_tm_constrs_h.
4555 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4556 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4557 (object_out_file): Add tm-constrs.h dependency.
4558 (insn-emit.o): Same.
4559 (insn-output.o): Same.
4560 (insn-peep.o): Same.
4561 (insn-preds.o): Same.
4562 (insn-recog.o): Same.
4563 (tm-constsr.h): New target.
4564 (s-constrs-h): New target.
4566 * config/rs6000/constraints.md: New file.
4567 * config/rs6000/rs6000.c: Include tm-constrs.h.
4568 (num_insn_constant_wide): Convert to satisfies_constraint.
4569 (rs6000_rtx_costs): Convert to satisfies_constraint.
4570 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4571 (CONST_OK_FOR_LETTER_P): Delete.
4572 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4573 (EXTRA_CONSTRAINT): Delete.
4574 (EXTRA_MEMORY_CONSTRAINT): Delete.
4575 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4576 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4577 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4578 satisfies_constraint.
4580 * config/i386/i386.c: Include tm-constrs.h.
4582 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4584 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4585 * tree-data-ref.c (find_data_references_in_loop,
4586 compute_data_dependences_for_loop): Use pointers to VEC.
4587 (analyze_all_data_dependences): Adjust calls.
4588 * tree-data-ref.h (find_data_references_in_loop,
4589 compute_data_dependences_for_loop): Adjust declarations.
4590 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4591 compute_data_dependences_for_loop.
4593 2006-03-29 Paul Brook <paul@codesourcery.com>
4595 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4598 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4600 PR tree-optimization/26859
4601 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4603 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4604 for the step after fold_convert.
4606 2006-03-29 Paul Brook <paul@codesourcery.com>
4608 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4609 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4611 2006-03-29 Paul Brook <paul@codesourcery.com>
4614 * targhooks.c (default_narrow_bitfield): New fuction.
4615 * targhooks.h (default_narrow_bitfield): add prototype.
4616 * target.h (gcc_target): Add narrow_volatile_bitfield.
4617 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4618 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4619 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4620 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4622 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4624 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4626 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4627 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4628 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4629 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4630 (s390_function_arg_float): Allow SDmode and DDmode values to be
4631 passed in floating point registers.
4632 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4633 check with SCALAR_FLOAT_MODE_P.
4634 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4636 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4638 PR tree-optimization/25985
4639 * tree-ssa-loop-niter.c (number_of_iterations_le,
4640 number_of_iterations_ne): Make comments more precise.
4641 (number_of_iterations_cond): Add only_exit argument. Use the
4642 fact that signed variables do not overflow only when only_exit
4644 (loop_only_exit_p): New.
4645 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4646 number_of_iterations_cond.
4648 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4650 PR tree-optimization/26643
4651 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4654 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4656 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4657 (divsi3_i4_int): Likewise.
4659 2006-03-28 Roger Sayle <roger@eyesopen.com>
4661 * expr.c (emit_group_store): Only create a new pseudo reg if the
4662 quantity it needs to hold isn't already a suitable pseudo.
4664 2006-03-28 Jeff Law <law@redhat.com>
4666 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4667 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4669 2006-03-28 Roger Sayle <roger@eyesopen.com>
4671 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4672 the equivalent ~X & Y, and the symmetry related transformations.
4673 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4674 ~X & Y, and symmetry related transforms.
4676 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4678 Revert my 2006-03-27 patches.
4680 2006-03-28 Roger Sayle <roger@eyesopen.com>
4682 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4683 ~(T1)X, when T1 and T2 are integer types of the same precision
4684 and (T2)X isn't an extension.
4686 2006-03-28 Jeff Law <law@redhat.com>
4688 PR tree-optimization/26796
4689 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4690 need EH edge cleanups rather than purging them immediately.
4691 (eliminate_degenerate_phis): Handle queued EH cleanups.
4693 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4695 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4698 2006-03-27 Roger Sayle <roger@eyesopen.com>
4701 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4702 cast BIT_NOT_EXPR operand to the correct type.
4704 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4706 * tree-loop-linear.c: Don't include varray.h.
4707 (gather_interchange_stats, try_interchange_loops,
4708 linear_transform_loops): Use VEC instead of VARRAY.
4709 * lambda-mat.c: Don't include varray.h.
4710 * tree-chrec.c: Same.
4711 * lambda-trans.c: Same.
4712 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4713 VEC instead of VARRAY.
4714 * tree-vectorizer.h: Idem.
4715 * tree-data-ref.c (dump_data_references,
4716 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4717 initialize_data_dependence_relation, finalize_ddr_dependent,
4718 compute_all_dependences, find_data_references_in_loop,
4719 compute_data_dependences_for_loop, analyze_all_data_dependences,
4720 free_dependence_relation, free_dependence_relations,
4721 free_data_refs): Idem.
4722 * tree-data-ref.h (data_reference_p, subscript_p): New.
4723 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4724 VEC instead of VARRAY.
4725 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4726 (find_data_references_in_loop, compute_data_dependences_for_loop,
4727 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4728 dump_data_dependence_relations, free_dependence_relations,
4729 free_data_refs): Adjust declaration.
4730 (lambda_transform_legal_p): Move declaration here...
4731 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4732 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4733 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4734 vect_analyze_data_refs): Use VEC instead of VARRAY.
4735 * lambda.h (lambda_transform_legal_p): ...from here.
4736 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4737 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4738 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4739 tree-chrec.o): Don't depend on VARRAY_H.
4741 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4743 * rtl.def (Copyright): Update date.
4744 (DEPS_LIST): Change type of the second operand to 'int'.
4745 * target.h (Copyright): Update date.
4746 (struct gcc_target.speculate_insn): Change type of the second parameter
4748 * lists.c (Copyright): Update date.
4749 (alloc_DEPS_LIST): Change signature. Update reference to the second
4750 operand of the DEPS_LIST.
4751 (copy_DEPS_LIST_list): Update reference to the second operand of the
4753 * rtl.h (Copyright): Update date.
4754 (alloc_DEPS_LIST): Update signature.
4755 * sched-int.h (Copyright): Update date.
4756 (ds_t): Change typedef to 'int'.
4757 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4759 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4761 * haifa-sched.c (Copyright): Update date.
4762 (try_ready): Change condition to restore non-speculative pattern
4764 (process_insn_depend_be_in_spec): Code to keep probability of the
4765 speculative dependence non-decreasing.
4767 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4769 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4770 shut up the compiler.
4772 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4774 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4775 to use lib prefix for target.
4776 ($(T)libic_invalidate_array_4-200.a): Likewise.
4777 ($(T)libic_invalidate_array_4a.a): Likewise.
4779 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4780 J"orn Rennecke <joern.rennecke@st.com>
4782 * superh.opt: New file.
4783 * sh.c (boardtype, osruntime): Remove.
4784 * superh.h (SUBTARGET_OPTIONS): Remove.
4785 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4787 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4788 arguments with ^ and/or [].
4790 * config.gcc (sh-*-*): Add quoting to account for quirk of
4792 Replace == with = in enable_incomplete_targets test.
4794 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4795 with MASK_LITTLE_ENDIAN.
4797 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4798 * config/sh/sh.opt: Added to some comments.
4799 * config/sh/superh.h: Removed some chaff.
4801 * config/sh/sh.opt: Add m4-[1234]00* options.
4802 * config/sh/sh.c (sh_handle_option): Likewise.
4803 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4804 (ic_invalidate_array_4-100.o): New rule.
4805 ($(T)libic_invalidate_array_4-100.a): Likewise.
4806 (ic_invalidate_array_4-200.o): Likewise.
4807 ($(T)libic_invalidate_array_4-200.a): Likewise.
4808 (ic_invalidate_array_4a.o): Likewise.
4809 ($(T)libic_invalidate_array_4a.a): Likewise.
4810 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4811 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4813 * config/sh/crt1.asm: Merged in profiling code.
4814 * config/sh/superh.h (STARTFILE_SPEC): Override.
4815 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4816 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4817 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4819 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4820 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4821 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4823 * sh.opt (mpretend-cmove): New option.
4824 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4825 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4826 (movsicc): Add TARGET_PRETEND_CMOVE code.
4828 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4830 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4831 s390_class_max_nregs): New function prototypes.
4832 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4833 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4834 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4835 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4837 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4839 * dwarf2out.c (add_location_or_const_value_attribute): Call
4840 tree_add_const_value_attribute if nothing else works.
4841 (reference_to_unused): New.
4842 (rtl_for_decl_init): Use reference_to_unused to decide whether
4843 to output an initializer.
4845 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4848 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4849 peephole removing spe frob_di_df_2.
4851 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4853 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4854 (subscript_dependence_tester_1): Declared.
4855 (print_dir_vectors, print_dist_vectors): New.
4856 (debug_data_dependence_relation): New.
4857 (dump_data_dependence_relation): Print more details.
4858 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4859 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4860 (save_dist_v, save_dir_v, add_outer_distances,
4861 build_classic_dist_vector_1): New.
4862 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4863 Don't test for lambda_vector_lexico_pos.
4864 (same_access_functions, add_multivariate_self_dist,
4865 add_other_self_distances, dir_from_dist): New.
4866 (build_classic_dir_vector): Replace implementation almost identical to
4867 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4869 (subscript_dependence_tester_1): New.
4870 (subscript_dependence_tester): Handle the lexicographically negative
4871 distance vectors by recomputing the dependence relation.
4872 (compute_affine_dependence): Remove parameter loop_nest_depth.
4873 (compute_self_dependence): Don't call compute_subscript_distance.
4874 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4875 Add a parameter for the loop_nest.
4876 (find_loop_nest_1, find_loop_nest): New.
4877 (compute_data_dependences_for_loop): Compute the loop nest, and give
4878 up if the nest is not well formed.
4879 * tree-data-ref.h (loop_p): New.
4880 (struct data_dependence_relation): Replace size_vect field with
4881 loop_nest, a vec of loops.
4882 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4883 (DDR_LOOP_NEST): New.
4884 (print_dir_vectors, print_dist_vectors,
4885 debug_data_dependence_relation): Declared.
4886 (index_in_loop_nest): New.
4887 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4888 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4891 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4893 * simplify-rtx.c (simplify_relational_operation): Call
4894 simplify_relational_operation_1 even if mode is VOIDmode.
4896 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4898 PR tree-optimization/26804
4899 * tree.h (DECL_CALL_CLOBBERED): New macro.
4900 (tree_decl_common): Add call_clobbered_flag.
4901 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4902 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4903 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4904 (mark_non_addressable): Ditto.
4905 * tree-ssa.c (verify_call_clobbered): New function.
4906 (verify_alias_info): Use it.
4907 * tree-pass.h (pass_reset_cc_flags): New prototype.
4908 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4909 (reset_cc_flags): New function.
4910 * passes.c (init_optimization_passes): Call reset_cc_flags after
4911 initializing referenced_vars.
4913 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4914 Roger Sayle <roger@eyesopen.com>
4917 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4918 to 1.0 for non-real operands. Implement A / A optimization for
4921 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4923 * config/i386/i386.c (size_cost): Correct the comment for
4924 cost of storing fp registers.
4925 (i386_cost): Likewise.
4926 (i486_cost): Likewise.
4927 (pentium_cost): Likewise.
4928 (pentiumpro_cost): Likewise.
4929 (k6_cost): Likewise.
4930 (athlon_cost): Likewise.
4931 (k8_cost): Likewise.
4932 (pentium4_cost): Likewise.
4933 (nocona_cost): Likewise.
4934 (generic64_cost): Likewise.
4935 (generic32_cost): Likewise.
4937 2006-03-24 Denis Chertykov <denisc@overta.ru>
4939 * config/avr/avr-protos.h (extra_constraint): Delete.
4940 (extra_constraint_Q): New declaration.
4941 * config/avr/constraints.md: New file.
4942 * config/avr/avr.md: Include it.
4943 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4944 (TMP_REGNO, ZERO_REGNO): Likewise.
4945 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4946 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4947 (extra_constraint): Delete.
4948 (extra_constraint_Q): Test for memory constraint 'Q'.
4949 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4950 (REG_CLASS_FROM_LETTER): Delete.
4951 (CONST_OK_FOR_LETTER_P): Delete.
4952 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4953 (EXTRA_CONSTRAINT): Delete.
4954 (TMP_REGNO): Delete.
4955 (ZERO_REGNO): Delete.
4957 2006-03-24 Jeff Law <law@redhat.com>
4959 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4960 directly. Call mark_new_vars_to_rename slightly earlier.
4962 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4964 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4966 (gen_compile_unit_die): Use new language types for Objective-C and
4968 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4969 DW_LANG_C_plus_plus.
4972 * config/t-darwin (crt3.o): Work around bug 26840.
4973 * config/darwin-crt3.c: Rewrite.
4974 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4976 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4978 * doc/invoke.texi: Document -femit-class-debug-always
4979 * common.opt: Add -femit-class-debug-always.
4981 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4983 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4984 index and base register.
4985 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4986 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4987 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4988 REGNO_OK_FOR_INDEX_P.
4989 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4991 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4992 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4993 REG_OK_FOR_BASE_P): Definitions removed.
4995 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4998 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4999 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5000 set yet or weren't marked as local yet.
5002 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5004 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5007 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5009 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5010 (rs6000_legitimate_small_data_p): Delete.
5011 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5012 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5013 and make static. Add forward declaration. Update uses.
5014 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5015 of offsettable_memref_p.
5016 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5017 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5019 2006-03-24 Jeff Law <law@redhat.com>
5021 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5022 around bug in immediate-use iterator.
5024 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5027 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5028 or __LITTLE_ENDIAN__.
5030 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5032 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5033 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5034 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5035 * config/sh/sh.opt (mdiv=): Amend description.
5036 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5037 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5038 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5039 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5040 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5041 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5042 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5043 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5044 TARGET_DIVIDE_CALL_FP.
5046 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5048 * haifa-sched.c (choose_ready): Fix type of the local variable.
5049 Move local variables. Add comment.
5050 (check_reg_live): Change signature. Make callable from debugger.
5051 * sched-int.h (check_reg_live): Update signature.
5052 * sched-ebb.c (check_reg_live): Update parameters.
5053 * sched-rgn.c (check_reg_live): Ditto.
5054 (region_head_or_leaf_p): Check pointer before dereferencing.
5055 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5056 before reload on optimization levels below 1.
5058 2006-03-23 Richard Henderson <rth@redhat.com>
5060 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5064 * config/alpha/predicates.md (local_symbolic_operand): Reject
5067 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5070 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5071 expressions which have overflowed constants.
5073 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5075 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5077 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5079 * cfgloopmanip.c (create_loop_notes): Removed.
5080 * final.c (final_scan_insn): Do not handle loop notes.
5081 * jump.c (squeeze_notes): Ditto.
5082 * cfglayout.c (skip_insns_after_block,
5083 duplicate_insn_chain): Ditto.
5084 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5086 * cfgloop.h (create_loop_notes): Declaration removed.
5088 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5090 * varasm.c (output_constant_pool): Restore fnname and fndecl
5092 (assemble_start_function): Adjust call accordingly.
5093 (assemble_end_function): Likewise.
5095 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5098 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5101 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5103 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5106 * system.h (ICE_EXIT_CODE): New macro.
5107 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5108 (diagnostic_action_after_output): Likewise.
5109 * gcc.c (fatal_ice): New function.
5110 (execute): Use it instead of fatal.
5111 (fancy_abort): Likewise.
5112 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5114 2006-03-22 Jeff Law <law@redhat.com>
5116 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5117 iv_analyze_result returning false.
5119 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5121 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5123 2006-03-22 Richard Henderson <rth@redhat.com>
5126 * except.c (duplicate_eh_regions_0): New.
5127 (duplicate_eh_region_1): Duplicate the children of the node as
5128 well as the node itself. Link them up properly.
5129 (duplicate_eh_region_2): Merge into ...
5130 (duplicate_eh_regions): ... here. Take copy_region argument, and
5131 copy only a sub-tree if asked. Simplify copying and fixup.
5132 (eh_region_outer_p): New.
5133 * except.h (duplicate_eh_regions): Update decl.
5134 (eh_region_outer_p): Declare.
5135 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5136 (lower_omp_master): Likewise.
5137 (lower_omp_ordered): Likewise.
5138 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5139 (move_stmt_r): Use it to remap labels. Handle recursion vs
5140 remap_decls_p properly.
5141 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5142 (find_outermost_region_in_block): New.
5143 (new_label_mapper): New.
5144 (move_sese_region_to_fn): Copy eh information to the new function
5146 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5148 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5151 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5153 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5154 into shared libraries.
5156 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5158 * doc/md.texi: Refer to i386/constraints.md instead of
5160 * config/i386/constraints.md: New file, extracted from...
5161 * config/i386/predicates.md: ...here.
5162 * config/i386/i386.md: Include constraints.md.
5164 2006-03-21 Jason Merrill <jason@redhat.com>
5166 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5169 * expr.c (init_block_move_fn): Force default visibility.
5170 (init_block_clear_fn): Likewise.
5171 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5172 * targhooks.c (default_external_stack_protect_fail): Likewise.
5174 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5176 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5177 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5178 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5179 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5180 (loadgp): Use mips_current_loadgp_style.
5181 (loadgp_noshared): New pattern.
5182 (sibcall_internal): Use MIPS_CALL.
5183 (sibcall_value_internal): Likewise.
5184 (sibcall_value_multiple_internal): Likewise.
5185 (call_internal): Likewise.
5186 (call_value_internal): Likewise.
5187 (call_value_multiple_internal): Likewise.
5188 (call_split): Use MIPS_CALL and add an 'S' constraint.
5189 (call_value_split): Likewise.
5190 (call_value_multiple_split): Likewise.
5191 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5192 (-mshared): New option.
5193 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5194 (mips_current_loadgp_style): Declare.
5195 * config/mips/mips.c (mips_classify_symbol): Avoid using
5196 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5197 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5198 TARGET_ABSOLUTE_ABICALLS.
5199 (override_options): Adjust comments. Improve the warning that is
5200 issued when -mabicalls and -G are used together.
5201 (mips_file_start): Remove comment.
5202 (mips_current_loadgp_style): New function.
5203 (mips_gnu_local_gp): New variable.
5204 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5206 (mips_output_function_prologue): Use mips_current_laodgp_style.
5207 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5208 the cprestore instruction.
5209 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5210 live for TARGET_ABSOLUTE_ABICALLS.
5211 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5212 (ASM_SPEC): Pass down -mshared and -mno-shared.
5213 (MIPS_CALL): New macro.
5214 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5216 * doc/invoke.texi (-mabicalls): Update documentation.
5217 (-mshared): Document.
5219 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5221 * config/ia64/unwind-hpux.c: New file.
5222 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5224 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5227 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5229 2006-03-21 Jeff Law <law@redhat.com>
5231 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5232 type conversions of a VR_VARYING source to a wider type.
5234 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5236 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5237 tm_file on Solaris 10 and later.
5238 (sparc64-*-solaris2*): Likewise.
5239 (sparc-*-solaris2*): Likewise.
5240 * config/sol26.h: Rename to config/sol2-6.h.
5241 * config/sol2-10.h: New file.
5243 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5246 * tree-ssa-pre.c (create_component_ref_by_pieces):
5249 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5252 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5253 return it immediately.
5255 2006-03-21 Michael Matz <matz@suse.de>
5257 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5259 (remove_arc, add_arc): Update num_out_arcs member.
5260 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5262 (cache_presence): New function.
5263 (compare_states_for_equiv): New function.
5264 (state_is_differed): Don't take number of outargs, adjust callers.
5265 Use new invariant for speeding up.
5266 (init_equiv_class): Create initial classes based on sorted
5268 (partition_equiv_class): Don't track out_arcs_num.
5269 (evaluate_equiv_classes): Call cache_presence on all states and
5272 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5274 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5275 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5276 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5277 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5279 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5280 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5281 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5282 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5283 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5285 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5286 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5287 (REGNO_REG_CLASS): ARGP is in PREGS.
5288 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5290 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5291 to deal with those addresses.
5292 * addresses.h: New file.
5293 * caller-save.c: Include "addresses.h".
5294 (init_caller_save): Use new base_reg_class function.
5295 * rtl-factoring.c: Include "addresses.h".
5296 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5297 * recog.c: Include "addresses.h".
5298 (preprocess_constraints): Use new base_reg_class function.
5299 * regrename.c: Include "addresses.h".
5300 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5301 functions. Keep track of a new var INDEX_CODE to compute valid
5303 (replace_oldest_value_addr): Likewise.
5304 (replace_oldest_value_mem): Use base_reg_class.
5305 * reload.c: Include "addresses.h".
5306 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5307 (find_reloads): Use new base_reg_class function.
5308 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5309 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5310 all callers and prototype changed.
5311 * reload1.c: Include "addresses.h".
5312 (maybe_fix_stack_asms): Use base_reg_class.
5313 * regclass.c: Include "addresses.h".
5314 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5315 (init_reg_autoinc): Use new base_reg_class function.
5316 (record_reg_classes): Likewise.
5317 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5318 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5319 Use new args to compute necessary class.
5321 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5322 regrename.o, rtl-factoring.o): Update dependencies.
5323 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5324 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5325 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5326 REG_OK_FOR_INDEX_P): Delete documentation.
5328 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5330 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5331 from V7 to V9 for Solaris 7 and above.
5333 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5335 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5336 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5337 argument pointers may not alias any other storage.
5338 * common.opt: Define option -fargument-noalias-anything.
5339 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5340 alias semantics is specified by flag_argument_noalias > 2.
5342 2006-03-20 Jeff Law <law@redhat.com>
5344 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5345 (pass_phi_only_cprop): Declare.
5346 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5348 * tree-ssa-dom.c (degenerate_phi_result): New function.
5349 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5350 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5351 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5352 (eliminate_degenerate_phis): Likewise.
5353 (pass_phi_only_cprop): New pass descriptor.
5354 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5355 support code. Callers updated.
5356 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5357 (store_copy_prop): Likewise.
5358 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5360 2006-03-20 Jason Merrill <jason@redhat.com>
5363 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5364 (push_visibility, pop_visibility): Likewise.
5365 * c-pragma.h: Declare them.
5367 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5369 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5371 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5372 parameter and use get_ebb_head_tail.
5373 (sh_md_init_global): Adjust uses of find_regmode_weight.
5375 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5377 * function.h (struct function) <x_tail_recursion_reentry>:
5378 Rename to x_stack_check_probe_note.
5379 (tail_recursion_reentry): Rename to stack_check_probe_note.
5380 * function.c: Replace tail_recursion_reentry with
5381 stack_check_probe_note everywhere.
5382 (expand_function_start): Only emit a note for
5383 stack_check_probe_note with -fstack-protect.
5384 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5386 * emit-rtl.c (remove_unnecessary_notes): Remove.
5387 (pass_remove_unnecessary_notes): Remove.
5388 * rtl.h (remove_unnecessary_notes): Remove prototype.
5389 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5390 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5391 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5393 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5396 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5397 (valid_in_set): Handle ARRAY_REF.
5398 Change "if min_variant or VH" to asserts.
5399 (create_component_ref_by_pieces): Handle ARRAY_REF.
5400 (create_expression_by_pieces): Likewise.
5401 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5403 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5405 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5406 is operand of switch, not str[0].
5408 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5410 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5411 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5413 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5415 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5416 end of insn_extra_address_constraint declaration.
5418 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5420 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5421 (no-sum-in-toc): Same.
5422 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5424 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5425 NO_FP_IN_TOC for -fPIC instead of mask.
5427 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5428 (BOOT_LDFLAGS): Delete.
5430 * config/rs6000/t-aix52: Same.
5432 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5433 (stmsi[345678]_power): New.
5435 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5437 * config/ia64/ia64.opt: Add empty line to end of file.
5439 2006-03-17 Richard Guenther <rguenther@suse.de>
5442 * builtins.c (get_pointer_alignment): For component style references
5443 adjust alignment to the component type alignment. Make sure
5444 to adjust alignment for component access of constants.
5446 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5448 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5451 2006-03-17 Paul Brook <paul@codesourcery.com>
5453 * doc/install.texi: Docuemnt --with-mode.
5454 * config.gcc: Add --with-mode for arm*-*-*.
5455 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5457 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5459 * sh.c (max_labelno_before_reorg): New variable.
5460 (sh_reorg): Initialize it.
5461 (find_barrier): Check max_labelno_before_reorg before using
5462 label_to_alignment. Take length of explicit alignment insns
5463 into account. When seeing a UNSPECV_CONST_END, return it.
5465 * sh.c (fixup_mova): Set mode of affected label to QImode.
5466 (untangle_mova): New function.
5467 (find_barrier): Use it. Check mode of label before decrementing
5469 (sh_reorg): Likewise.
5470 Set mode of all insns back to VOIDmode.
5472 * sh.c (MOVA_LABELREF): New macro.
5473 (mova_p, fixup_mova, sh_reorg): Use it.
5474 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5475 ADDR_DIFF_VEC matches mova.
5477 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5479 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5480 with ATTRIBUTE_UNUSED.
5482 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5484 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5485 pointer, instead of assuming it is possible to derive the
5486 correct args size from a call insn.
5488 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5490 * rtl.h (CONST_INT_P): Define.
5491 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5492 instead of GET_CODE(x) == CONST_INT.
5493 (vax_rtx_costs): Likewise.
5494 (vax_output_int_move): Likewise.
5495 (vax_output_int_add): Likewise.
5496 (legitimate_constant_address_p): Likewise.
5497 (index_term_p): Likewise.
5498 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5499 * config/vax/vax.md (and<mode>3): Likewise.
5500 (ashrsi3): Likewise.
5502 (movstricthi): Likewise.
5503 (movstrictqi): Likewise.
5504 (rotrsi3): Likewise.
5505 (five unnamed insns): Likewise.
5507 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5509 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5510 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5511 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5512 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5513 Pass to ASM_OUTPUT_DWARF_OFFSET.
5514 * dwarf2out.c (debug_frame_section): New.
5515 (output_call_frame_info): Use debug_frame_section. Pass it to
5516 dw2_asm_output_offset.
5517 (output_die): Pass appropriate section to dw2_asm_output_offset.
5518 (output_compilation_unit_header): Likewise.
5519 (output_pubnames): Likewise.
5520 (output_aranges): Likewise.
5521 (enum dw_val_class): Break dw_val_class_lbl_offset into
5522 dw_val_class_lineptr and dw_val_class_macptr.
5523 (add_AT_lbl_offset): Delete.
5524 (add_AT_lineptr): New.
5525 (add_AT_macptr): New.
5526 (AT_lbl): Expect a lineptr or macptr.
5527 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5528 (attr_checksum): Likewise.
5529 (same_dw_val_p): Likewise.
5530 (size_of_die): Likewise.
5531 (value_format): Likewise.
5532 (output_die): Likewise.
5533 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5535 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5536 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5537 * config/darwin-protos.h (darwin_file_start): New.
5538 (darwin_asm_output_dwarf_offset): New.
5539 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5540 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5542 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5543 if not EH section; simplify.
5544 (darwin_file_start): New.
5545 (darwin_asm_output_dwarf_offset): New.
5546 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5548 (DEBUG_INFO_SECTION): Likewise.
5549 (DEBUG_ABBREV_SECTION): Likewise.
5550 (DEBUG_ARANGES_SECTION): Likewise.
5551 (DEBUG_MACINFO_SECTION): Likewise.
5552 (DEBUG_LINE_SECTION): Likewise.
5553 (DEBUG_LOC_SECTION): Likewise.
5554 (DEBUG_PUBNAMES_SECTION): Likewise.
5555 (DEBUG_STR_SECTION): Likewise.
5556 (DEBUG_RANGES_SECTION): Likewise.
5557 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5558 (ASM_OUTPUT_DWARF_OFFSET): New.
5560 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5562 * config.gcc (tm_defines): Always add to previous value rather
5565 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5567 * config/mips/predicates.md (splittable_const_int_operand): New,
5568 split from move_operand.
5569 (splittable_symbolic_operand): New.
5570 (move_operand): Add commentary. Use splittable_const_int_operand.
5571 Inline mips_atomic_symbolic_constant_p.
5572 * config/mips/mips.md: Add combine splitters for handling moves
5573 of splittable_const_int_operands and splittable_symbolic_operands.
5574 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5575 (mips_split_symbol): Declare.
5576 (mips_move_integer): Declare.
5577 * config/mips/mips.c (mips_split_p): Make global.
5578 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5579 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5580 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5581 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5582 (mips_offset_within_object_p): Handle block symbols.
5583 (mips_atomic_symbolic_constant_p): Delete.
5584 (mips_cannot_force_const_mem): Return false for constants that
5585 mips_legitimize_move can handle.
5586 (mips_use_blocks_for_constant_p): New function.
5587 (mips_split_symbol): Make global.
5588 (mips_move_integer): Likewise. Add a temporary register argument.
5589 (mips_legitimize_const_move): Use splittable_const_int_operand and
5590 splittable_symbolic_operand.
5591 (mips_use_anchors_for_symbol_p): New function.
5592 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5593 (mips_split_p): Declare.
5595 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5597 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5598 (mips*-*-linux*): Likewise.
5600 2006-03-16 Roger Sayle <roger@eyesopen.com>
5601 Daniel Speyer <dspeyer@wam.umd.edu>
5604 * tree-dump.c (dump_real): New function.
5605 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5606 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5607 (tree-dump.o): Add $(REAL_H) to the dependencies.
5609 2006-03-16 Roger Sayle <roger@eyesopen.com>
5612 * real.c (real_from_string): If the mantissa is zero, don't bother
5613 parsing the exponent as the result should always be zero.
5615 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5617 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5619 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5621 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5622 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5623 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5624 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5625 ia64_sched_finish_global): New static functions to implement
5626 hooks from gcc_target.sched.
5627 (spec_check_no, max_uid, pending_data_specs): New static variables.
5628 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5629 ia64_spec_check_src_p): New static functions.
5630 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5631 (TARGET_SCHED_ADJUST_COST): Removed.
5632 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5633 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5634 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5635 TARGET_SCHED_GEN_CHECK,
5636 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5637 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5638 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5639 Fixed to handle speculation checks.
5640 (rtx_needs_barrier): Fixed to handle speculative loads and
5642 (ia64_variable_issue): Added code to count speculative loads and their
5644 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5646 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5648 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5650 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5651 (ia64_reorg): Reset stops_p to NULL after it is freed.
5652 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5653 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5654 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5656 (data_speculative, control_speculative, check_load): New attributes.
5657 (mov<mode>_advanced, mov<mode>_speculative,
5658 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5659 zero_extend<mode>di2_speculative,
5660 zero_extend<mode>di2_speculative_advanced): New patterns for
5661 data and control speculative loads.
5662 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5664 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5665 New pattern for data and control speculation checks.
5666 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5667 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5668 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5669 Auxiliary definitions for the patterns.
5670 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5671 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5673 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5675 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5676 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5677 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5678 New resource constraints.
5679 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5681 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5682 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5683 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5684 msched-in-control-spec, msched-ldc, msched-control-ldc,
5685 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5686 msched-prefer-non-control-spec-insns,
5687 msched-count-spec-in-critical-path): New flags to tune speculative
5689 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5690 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5691 msched-in-control-spec, msched-ldc, msched-control-ldc,
5692 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5693 msched-prefer-non-control-spec-insns,
5694 msched-count-spec-in-critical-path): Document new flags.
5696 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5698 * target.h (struct spec_info_def): New opaque declaration.
5699 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5700 speculate_insn, needs_block_p, gen_check,
5701 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5702 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5703 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5704 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5705 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5706 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5708 (TARGET_SCHED): Use new macros.
5709 * rtl.h (copy_DEPS_LIST_list): New prototype.
5710 * sched-int.h (struct sched_info): Change signature of new_ready field,
5711 adjust all initializations. New fields: add_remove_insn,
5712 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5713 region_head_or_leaf_p.
5714 (struct spec_info_def): New structure declaration.
5715 (spec_info_t): New typedef.
5716 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5717 recovery_block, orig_pat.
5718 (glat_start, glat_end): New variables declaraions.
5719 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5721 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5722 DETACH_LIFE_INFO, USE_GLAT.
5723 (enum SPEC_SCHED_FLAGS): New enumeration.
5724 (NOTE_NOTE_BB_P): New macro.
5725 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5726 attach_life_info, debug_spec_status, check_reg_live): New functions.
5727 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5728 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5730 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5731 * ddg.c (get_block_head_tail): Adjust all uses.
5732 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5733 (sms_sched_info): Initialize new fields.
5734 (contributes_to_priority): Removed.
5735 * haifa-sched.c (params.h): New include.
5736 (get_block_head_tail): Adjust all uses.
5737 (ISSUE_POINTS): New macro.
5738 (glat_start, glat_end): New global variables.
5739 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5740 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5741 old_last_basic_block, before_recovery, current_sched_info_var,
5742 rgn_n_insns, luid): New static variables.
5743 (insn_cost1): New function. Move logic from insn_cost to here.
5744 (find_insn_reg_weight1): New function. Move logic from
5745 find_insn_reg_weight to here.
5746 (reemit_notes, move_insn, max_issue): Change signature.
5747 (move_insn1): Removed.
5748 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5749 extend_bb): New static functions to support extension of scheduler's
5751 (generate_recovery_code, process_insn_depend_be_in_spec,
5752 begin_speculative_block, add_to_speculative_block,
5753 init_before_recovery, create_recovery_block, create_check_block_twin,
5754 fix_recovery_deps): New static functions to support
5755 generation of recovery code.
5756 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5757 restore_bb_notes, move_block_after_check, move_succs): New static
5758 functions to support ebb scheduling.
5759 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5760 functions to support handling of register live information.
5761 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5762 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5763 add_jump_dependencies): New static functions.
5764 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5765 consistancy checking.
5766 (debug_spec_status): New function to call from debugger.
5767 (priority): Added code to handle speculation checks.
5768 (rank_for_schedule): Added code to distinguish speculative instructions.
5769 (schedule_insn): Added code to handle speculation checks.
5770 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5771 Fixed to handle ebbs.
5772 (move_insn): Added code to handle ebb scheduling.
5773 (max_issue): Added code to use ISSUE_POINTS of instructions.
5774 (choose_ready): Added code to choose between speculative and
5775 non-speculative instructions.
5776 (schedule_block): Added code to handle ebb scheduling and scheduling of
5777 speculative instructions.
5778 (sched_init): Initialize new variables.
5779 (sched_finish): Free new variables. Print statistics.
5780 (try_ready): Added code to handle speculative instructions.
5781 * lists.c (copy_DEPS_LIST_list): New function.
5782 * sched-deps.c (extend_dependency_caches): New function. Move logic
5783 from create_dependency_caches to here.
5784 (get_dep_weak, ds_merge): Make global.
5785 * genattr.c (main): Code to output prototype for
5786 dfa_clear_single_insn_cache.
5787 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5788 (output_dfa_clean_insn_cache_func): Code to output
5789 dfa_clear_single_insn_cache function.
5790 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5792 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5794 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5795 New static variables.
5796 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5797 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5799 (ebb_sched_info): Initialize new fields.
5800 (get_block_head_tail): Adjust all uses.
5801 (compute_jump_reg_dependencies): Fixed to use glat_start.
5802 (schedule_ebb): Code to remove unreachable last block.
5803 (schedule_ebbs): Added code to update register live information.
5804 * sched-rgn.c (region_sched_info): Initialize new fields.
5805 (get_block_head_tail): Adjust all uses.
5806 (last_was_jump): Removed. Adjust users.
5807 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5808 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5809 Implement new hooks.
5810 (check_dead_notes1): New static function.
5811 (struct region): New fields: dont_calc_deps, has_real_ebb.
5812 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5813 (BB_TO_BLOCK): Fixed to handle EBBs.
5814 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5815 (ebb_head): New static variable.
5816 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5817 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5819 (compute_dom_prob_ps): New assertion.
5820 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5821 global_live_at_start.
5822 (init_ready_list): New assertions.
5823 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5824 (new_ready): Add support for BEGIN_CONTROL speculation.
5825 (schedule_insns): Fixed code that updates register live information
5827 (schedule_region): Fixed to handle EBBs.
5828 (init_regions): Use extend_regions and check_dead_notes1.
5829 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5830 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5831 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5832 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5833 TARGET_SCHED_GEN_CHECK,
5834 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5835 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5836 * doc/invoke.texi (max-sched-insn-conflict-delay,
5837 sched-spec-prob-cutoff): Document.
5839 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5841 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5842 inter_tick, queue_index.
5843 (struct sched_info): Change signature of init_ready_list field.
5844 Adjust all initializations.
5845 (RESOLVED_DEPS): New access macro.
5846 (ready_add): Remove prototype.
5847 (try_ready): Add prototype.
5848 * sched-rgn.c (init_ready_list): Use try_ready.
5849 (schedule_region): Initialize
5850 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5851 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5852 (init_ready_list): Use try_ready.
5853 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5854 * lists.c (remove_list_elem): Remove `static'.
5855 (remove_free_INSN_LIST_elem): New function.
5856 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5857 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5858 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5860 (readyp): New variable.
5861 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5862 change_queue_index, resolve_dep): New static functions.
5863 (try_ready): New function. Adjust callers in sched-rgn.c and
5864 sched-ebb.c to use it instead of ready_add.
5865 (clock_var): Move at the begining of file.
5866 (rank_for_schedule): Fix typo.
5867 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5868 (ready_lastpos): Enforce assertion.
5869 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5871 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5872 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5873 (queue_to_ready): Use free_INSN_LIST_list.
5874 (early_queue_to_ready): Fix typo.
5875 (schedule_block): Init readyp. Move init_ready_list call after the
5876 initialization of clock_var. Fix error in rejecting insn by
5877 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5878 that previously corrected INSN_TICKs. Add code for handling
5880 (set_priorities): Fix typo.
5881 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5882 Clarify comment and code that keeps current_sched_info->next_tail
5885 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5887 * sched-rgn.c (extend_rgns): New static function.
5888 (find_rgns): Use it.
5889 (gather_region_statistics, print_region_statistics): New static
5891 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5892 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5894 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5895 Andrey Belevantsev <abel@ispras.ru>
5897 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5898 * lists.c (unused_deps_list): New variable.
5899 (free_list): Add assertions to verify the proper distinguishing
5900 between INSN_LISTs and DEPS_LISTs.
5901 (find_list_elem, remove_list_elem, remove_list_node): New static
5903 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5904 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5905 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5906 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5908 (free_INSN_LIST_node): Likewise.
5909 * modulo-sched.c (current_sched_info): Initialize flags field.
5910 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5911 * rtl.def (DEPS_LIST): Define.
5912 * rtl.h: Declare new functions from lists.c.
5913 * sched-deps.c (spec_dependency_cache): New static variable.
5914 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5915 (add_dependence): Change return type to void. Move the logic to ...
5916 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5917 (delete_all_dependences): Add comment about forward_dependency_cache.
5918 Handle spec_dependency_cache. Handle DEPS_LISTs.
5919 (fixup_sched_groups): Clarify the change of priority of output
5920 and anti dependencies.
5921 (sched_analyze_2): Adjust add_dependence calls to create data
5922 speculative dependence.
5923 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5924 Adjust all callers. Handle DEPS_LISTS.
5925 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5926 presence of speculation.
5927 (init_dependency_caches, free_dependency_caches):
5928 Handle spec_dependency_cache.
5929 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5930 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5931 New static functions.
5932 (add_or_update_back_dep, add_or_update_back_forw_dep,
5933 add_back_forw_dep, delete_back_forw_dep): New functions.
5934 * sched-int.h (ds_t, dw_t): New typedefs.
5935 (struct sched_info): Add new field flags.
5936 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5937 Prototype new sched-deps.c functions.
5938 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5939 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5940 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5941 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5942 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5943 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5945 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5947 * sched-rgn.c (current_sched_info): Initialize flags field.
5948 (schedule_insns): Initialize current_sched_info before the sched_init
5950 * sched-ebb.c (current_sched_info): Initialize flags field.
5951 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5952 Call add_or_update_back_dep instead of add_dependence.
5953 Create control speculative dependencies.
5954 (schedule_insns): Initialize current_sched_info before the sched_init
5957 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5959 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5961 (sh_fallback_frame_state): Likewise.
5963 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5965 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5966 Do switch on default_use_cxa_atexit.
5967 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5968 * config/darwin-crt3.o: New.
5969 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5970 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5971 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5973 * config/rs6000/t-darwin: Move crt2.o building to here.
5974 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5975 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5978 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5980 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5981 from '! xxx' to '!xxx' for coding-style conformance.
5982 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5983 (EXTRA_CONSTRAINT): Likewise.
5984 * config/vax/vax.md (four unnamed insns): Likewise.
5986 2006-03-15 Paul Brook <paul@codesourcery.com>
5988 * config/arm/arm.c (minipool_pad): New.
5989 (add_minipool_forward_ref): Include pool alignment padding in address
5991 (push_minipool_fix): Set minipool_pad.
5992 (minipool_pad): Ditto.
5994 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5996 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5997 instead of GET_CODE() == MEM and REG_P() instead of
5999 (print_operand_address): Likewise.
6000 (vax_address_cost): Likewise.
6001 (vax_rtx_costs): Likewise.
6002 (vax_notice_update_cc): Likewise.
6003 (vax_output_int_add): Likewise.
6004 (INDEX_REGISTER_P): Likewise.
6005 (BASE_REGISTER_P): Likewise.
6006 (nonindexed_address_p): Likewise.
6007 (vax_mode_dependent_address_p): Likewise.
6008 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6009 (PRINT_OPERAND): Likewise.
6010 * config/vax/vax.md (ashlsi3): Likewise.
6011 (ashlsi3): Likewise.
6012 (some more unnamed insns): Likewise.
6014 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6016 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6017 iterator-style macro.
6018 (mark_control_dependent_edges_necessary): Update the use of
6019 EXECUTE_IF_CONTROL_DEPENDENT.
6021 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6023 * config/sh/predicates.md (cache_address_operand): Special.
6024 (ua_address_operand): Likewise.
6026 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6028 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6030 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6032 2006-03-15 Andreas Schwab <schwab@suse.de>
6034 * gensupport.c (identify_predicable_attribute): Don't free p_false
6035 when it is still in use.
6037 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6039 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6040 the default setting here.
6042 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6044 * tree-pass.h (pass_cfg): Remove.
6045 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6046 * passes.c (pass_cfg): Don't run it.
6048 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6050 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6051 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6053 (stack_regs_mentioned): Update the uses of
6054 stack_regs_mentioned_data. Don't access the array beyond its
6056 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6057 Don't include gt-reg-stack.h.
6059 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6060 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6062 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6065 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6068 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6070 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6072 2006-03-14 Richard Guenther <rguenther@suse.de>
6074 PR tree-optimization/26672
6075 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6078 2006-03-14 Richard Guenther <rguenther@suse.de>
6080 PR tree-optimization/26667
6081 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6082 node for the callees. Always allow inlining if it will shrink
6085 2006-03-14 Richard Guenther <rguenther@suse.de>
6088 * builtins.c (get_pointer_alignment): Prefer alignment
6089 information from decls over that from types.
6091 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6094 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6096 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6098 * config/rs6000/rs6000.opt (mdlmzb): New option.
6099 (msched-prolog, msched-epilog): Use Var not Mask.
6100 * doc/invoke.texi (-mdlmzb): Document.
6101 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6103 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6104 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6106 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6108 PR rtl-optimization/25739
6109 * bt-load.c (augment_live_range): Free tos pointer.
6111 * gensupport.c (identify_predicable_attribute): Free
6113 * gcov.c (create_file_names): Free name pointer.
6115 2006-03-13 Roger Sayle <roger@eyesopen.com>
6118 * stmt.c (emit_case_nodes): Handle the case where the index is a
6119 CONST_INT, where the comparison mode is specified by the index type.
6121 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6123 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6126 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6128 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6129 (*branch_fp_inverted): Likewise.
6131 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6134 * omp-low.c (expand_omp_for_generic): Mark istart0
6135 and iend0 as addressable.
6137 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6139 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6141 2006-03-13 Jeff Law <law@redhat.com>
6143 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6144 virtual operands are interesting.
6145 (vrp_visit_stmt): Corresponding changes.
6147 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6149 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6151 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6152 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6153 * config/bfin/crti.S: Use it instead of __PIC__.
6154 * config/bfin/crtn.S: Likewise.
6156 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6157 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6159 Lose 'G' modifier for call operand.
6160 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6161 recognize 'G' modifier.
6163 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6166 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6167 * stmt.c (expand_case): Likewise.
6169 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6171 PR rtl-optimization/26254
6172 * loop-invariant.c (seq_insns_valid_p): New function.
6173 (move_invariant_reg): Only emit new code if it is valid.
6175 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6177 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6179 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6180 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6181 (commit_one_edge_insertion): Do not look for loop notes.
6183 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6185 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6186 flag_test_coverage out of loop.
6188 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6190 * final.c (shorten_branches): Remove outdated comment, and turn
6191 the if branch that guards it to continue.
6193 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6195 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6196 * cfgloop.h (struct loop): Remove unused fields.
6198 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6200 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6201 (-dL, -fdump-rtl-loop2): Update the dump file names
6203 * doc/invoke.texi: Update dump file names.
6205 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6207 * predict.c (estimate_probability): Remove.
6208 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6209 * basic-block.h (estimate_probability): Remove prototype.
6210 * passes.c (finish_optimization_passes): Dump branch prediction or
6211 profiling heuristics to the .profile tree dump.
6212 (init_optimization_passes): Unqueue pass_branch_prob.
6214 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6216 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6218 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6219 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6221 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6223 * function.h (frame_offset_overflow): Declare.
6224 * function.c (frame_offset_overflow): New function.
6225 (assign_stack_local_1): Call it to detect that the offset overflows.
6226 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6228 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6230 * config/sh/sh.c: Include alloc-pool.h.
6231 (label_ref_list_pool): New alloc pool.
6232 (label_ref_list_t): New type for lists of labels.
6233 (struct pool_node): Make wend a label_ref_list_t.
6234 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6236 (dump_table): Likewise.
6237 (sh_reorg): Set up the alloc pool before using add_constant and
6238 dump_table, and destroy it when finishing.
6240 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6242 * config/mips/mips.c: Remove redundant comment.
6244 2006-03-10 Jason Merrill <jason@redhat.com>
6247 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6248 the target was declared 'register'.
6250 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6252 * genpreds.c (write_insn_constraint_len): Change definition of
6253 insn_constraint_len to return size_t to match the declaration.
6255 2006-03-10 DJ Delorie <dj@redhat.com>
6257 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6259 (m32c_expand_insv): Fix test for an AND mask.
6261 2006-03-10 Richard Guenther <rguenther@suse.de>
6264 * builtins.c (get_pointer_alignment): Handle component
6265 references for field alignment.
6267 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6269 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6270 when building with libgloss.
6271 (sh*elf): Implement --without-fp option.
6272 (sh64-superh-linux*): Don't multilib.
6274 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6276 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6278 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6280 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6281 Set it when one of the replacement functions returned true.
6282 Return TODO_cleanup_cfg if cfgchanged is true.
6283 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6285 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6287 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6288 instead of gen_lowpart.
6290 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6292 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6294 (mips_output_order_conditional_branch): Declare.
6295 * config/mips/mips.h (MIPS_BRANCH): New macro.
6296 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6297 for the comparison. Use gen_condjump.
6298 (mips_output_conditional_branch): Rework interface to take the
6299 asm templates for a direct branch and the inverse of a direct branch.
6300 (mips_output_order_conditional_branch): New function.
6301 (mips_builtin_branch_and_move): New function.
6302 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6303 branch condition. Use gen_single_cc as the condition for
6304 __builtin_mips_upper_* or __builtin_mips_lower_*.
6305 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6306 Use VOIDmode for the branch condition.
6307 * config/mips/predicates.md (order_operator): New predicate.
6308 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6309 (branch_fp): Rename to...
6310 (*branch_fp): ...this. Remove mode from comparison operator.
6311 Use new mips_output_conditional_branch interface.
6312 (branch_fp_inverted): Rename to...
6313 (*branch_fp_inverted): ...this and update as for *branch_fp.
6314 (*branch_zero<mode>): Rename to...
6315 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6316 Use mips_output_order_conditional_branch. Only accept ordered
6318 (*branch_zero<mode>_inverted): Rename to...
6319 (*branch_order<mode>_inverted): ...this and update as for
6320 *branch_order<mode>.
6321 (*branch_equality<mode>): Accept zero as the second operand to
6322 the equality operator. Use the new mips_output_conditional_branch
6324 (*branch_equality<mode>_inverted): Likewise.
6325 (condjump): New expander.
6326 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6328 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6329 (bc1any2t, bc1any2f): Likewise.
6330 (single_cc): New expander.
6331 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6333 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6335 * doc/md.texi: Update documentation of MIPS constraints.
6336 * config/mips/constraints.md: New file.
6337 * config/mips/mips.md: Include it.
6338 * config/mips/mips.c (mips_char_to_class): Delete.
6339 (override_options): Don't initialize mips_char_to_class.
6340 * config/mips/mips.h (mips_char_to_class): Delete.
6341 (REG_CLASS_FROM_LETTER): Delete.
6342 (CONST_OK_FOR_LETTER_P): Delete.
6343 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6344 (EXTRA_CONSTRAINT_Y): Delete.
6345 (EXTRA_CONSTRAINT_STR): Delete.
6346 (CONSTRAINT_LEN): Delete.
6347 (EXTRA_MEMORY_CONSTRAINT): Delete.
6349 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6351 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6352 original fn's eh regions.
6354 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6356 * fold-const.c (build_range_check): Make sure to use a valid type to
6357 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6360 (range_predecessor): New static function.
6361 (range_successor): Likewise.
6362 (merge_ranges): Use them to compute predecessors and successors of
6365 2006-03-09 Roger Sayle <roger@eyesopen.com>
6368 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6369 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6371 2006-03-08 DJ Delorie <dj@redhat.com>
6373 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6374 (addpsi3): Expand to include memory operands. Remove
6375 reload-specific splits.
6376 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6377 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6378 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6379 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6380 (shift1_qi, shift1_hi, insv): New.
6381 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6382 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6383 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6385 * config/m32c/m32c-protos.h: Update as needed.
6386 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6387 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6388 Fail for unrecognized R* constraints.
6389 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6390 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6391 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6393 (m32c_init_libfuncs): New.
6394 (m32c_legitimate_address_p): Add debug wrapper.
6395 (m32c_rtx_costs): New.
6396 (m32c_address_cost): New.
6397 (conversions): Add 'B' prefix.
6398 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6399 operands, or word regnames for QI operands. 'B' prints bit
6401 (m32c_expand_setmemhi): New.
6402 (m32c_expand_movmemhi): New.
6403 (m32c_expand_movstr): New.
6404 (m32c_expand_cmpstr): New.
6405 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6406 (m32c_expand_neg_mulpsi3): Handle non-ints.
6407 (m32c_cmp_flg_0): New.
6408 (m32c_expand_movcc): New.
6409 (m32c_expand_insv): New.
6410 (m32c_scc_pattern): New.
6411 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6412 a0/a1 out of SIregs.
6413 (STORE_FLAG_VALUE): New.
6414 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6417 * config/m32c/mov.md: Make constraints more liberal.
6418 (zero_extendqihi2): Optimize r0/r1 case.
6419 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6420 * config/m32c/predicates.md (m32c_any_operand): New.
6421 (m32c_nonimmediate_operand): New.
6422 (m32c_hl_operand): New.
6423 (m32c_r3_operand): New.
6426 (memsym_operand): New.
6427 (memimmed_operand): New.
6428 (a_qi_operand): New.
6429 (m32c_eqne_operator): New.
6430 (m32c_1bit8_operand): New.
6431 (m32c_1bit16_operand): New.
6432 (m32c_1mask8_operand): New.
6433 (m32c_1mask16_operand): New.
6434 * config/m32c/blkmov.md: New file.
6435 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6437 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6439 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6440 unsigned to fix signed/unsigned comparison issue in
6441 DWARF2_FRAME_REG_OUT.
6442 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6443 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6445 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6446 of ptr into the ENABLE_CHECKING section.
6448 2006-03-08 Jeff Law <law@redhat.com>
6450 * tree-vrp.c (infer_value_range): Only count pointer uses
6451 and dereferences if -fdelete-null-pointer-checks is enabled.
6453 * tree-vrp.c (find_assert_locations): Infer value ranges for
6454 single use pointers, but do not create ASSERT_EXPRs for them.
6455 When a non-null range is inferred for a pointer, backwards
6456 propagate that range to other equivalent pointers through the
6459 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6462 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6463 language hook targets.
6464 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6465 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6466 if language hook targets were missing.
6468 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6470 * tree-ssa-opfinalize.h: Removed.
6471 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6473 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6474 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6475 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6476 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6477 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6478 finalize_ssa_v_must_def_ops): New.
6480 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6482 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6485 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6487 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6489 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6490 addresses with offsets; reorganize.
6492 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6493 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6494 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6496 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6499 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6501 2006-03-08 Ben Elliston <bje@au.ibm.com>
6503 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6505 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6508 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6511 2006-03-07 Richard Guenther <rguenther@suse.de>
6513 PR tree-optimization/26587
6514 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6516 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6518 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6520 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6522 * hooks.c (hook_bool_mode_rtx_true): New function.
6523 * hooks.h (hook_bool_mode_rtx_true): Declare.
6524 * toplev.c (compile_file): Call output_shared_constant_pool.
6525 * varasm.c (shared_constant_pool): New variable.
6526 (assemble_start_function, assemble_end_function): Remove arguments
6527 from call to output_constant_pool.
6528 (create_constant_pool): New function, split out from...
6529 (init_varasm_status): ...here.
6530 (force_const_mem): Choose between the shared and per-function constant
6531 pools. Set current_function_uses_const_pool when reusing old entries
6532 as well as when creating new ones.
6533 (mark_constant): Ignore data argument.
6534 (mark_constants): Remove pool argument.
6535 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6536 to decide whether the function uses a constant pool.
6537 (output_constant_pool_contents): New function, split out from...
6538 (output_constant_pool): ...here.
6539 (output_shared_constant_pool): New function.
6540 (init_varasm_once): Initialize shared_constant_pool.
6541 * output.h (output_constant_pool): Delete.
6542 (output_shared_constant_pool): Declare.
6543 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6544 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6546 2006-03-06 Nick Clifton <nickc@redhat.com>
6548 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6549 flag_strength_reduce.
6551 2006-03-06 Ben Elliston <bje@au.ibm.com>
6553 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6554 x86_64-*-linux* configurations.
6556 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6557 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6559 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6561 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6563 * basic-block.h: Remove the extern for
6564 rediscover_loops_after_threading.
6566 * cfgloop.c (cancel_loop): Make it static.
6567 * cfgloop.h: Remove the prototype for cancel_loop.
6569 * flow.c (recompute_reg_usage): Make it static.
6570 * rtl.h: Remove the prototype for recompute_reg_usage.
6572 * function.c (use_return_register): Make it static.
6573 * function.h: Remove the prototype.
6575 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6577 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6579 * recog.h: Remove the prototype for
6580 validate_change_maybe_volatile.
6582 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6584 * rtlanal.c (replace_reg): Remove.
6585 * rtl.h: Remove the prototype for replace_reg.
6587 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6589 * regclass.c (reg_scan_update): Remove.
6590 (reg_scan_mark_refs): Remove the last argument.
6591 * rtl.h: Remove the prototype for reg_scan_update.
6593 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6595 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6596 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6597 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6598 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6599 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6600 loop-invariant.c, omp-low.c, opts.c, passes.c,
6601 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6602 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6603 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6604 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6605 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6606 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6608 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6610 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6611 * dwarf2out.h: Remove the prototype for
6612 dwarf2out_add_library_unit_info.
6614 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6616 * tree.c (add_var_to_bind_expr): Remove.
6617 * tree.h: Remove the prototype for add_var_to_bind_expr.
6619 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6621 * regclass.c (n_non_fixed_regs): Remove.
6622 (init_reg_sets_1, globalize_reg): Remove all uses of
6624 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6626 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6628 * rtlanal.c (insns_safe_to_move_p): Remove.
6629 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6631 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6633 * expmed.c (expand_mult_add): Remove.
6634 * expr.h: Remove the prototype for expand_mult_add.
6636 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6638 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6639 and REG_SAVED_VAL_EXP constants.
6640 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6641 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6642 Handle regs stored by value.
6643 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6644 (execute_cfa_program): Handle DW_CFA_val_offset,
6645 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6646 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6647 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6648 (uw_install_context_1): Handle target regs stored by value.
6650 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6652 * tree-sra.c (tree_sra): Return todoflags;
6653 (generate_one_element): Set TODO_update_smt_usage if needed.
6654 (pass_sra): Remove TODO_update_smt_usage.
6655 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6657 (tree_ssa_forward_propagate_single_use_vars): Return
6658 TODO_update_smt_usage if we need to update SMT usage.
6659 (pass_forwprop): Remove TODO_update_smt_usage.
6661 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6663 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6664 (correct_use_link): Remove reference to get_stmt_operands.
6665 (update_stmt_operands): Likewise.
6666 (get_modify_expr_operands): New function factored out of
6667 parse_ssa_operands and get_expr_operands.
6668 Try to create V_MUST_DEFs for LHS by default.
6669 (get_expr_operands) <case MODIFY_EXPR>: Call
6670 get_modify_expr_operands.
6671 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6672 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6673 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6674 get_modify_expr_operands.
6676 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6678 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6679 * tree-flow.h: Remove the prototype for
6680 referenced_var_lookup_if_exists.
6682 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6684 PR rtl-optimization/26345
6686 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6688 2006-03-03 Roger Sayle <roger@eyesopen.com>
6690 PR tree-optimization/26524
6691 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6692 fold_convert to create a constant of the appropriate type.
6694 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6696 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6697 SYMBOL_REF_IN_BLOCK_P.
6698 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6699 of SYMBOL_FLAG_IN_BLOCK.
6700 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6701 instead of SYMBOL_REF_IN_BLOCK_P.
6702 * explow.c (use_anchored_address): Likewise.
6703 * rtl.c (rtx_size): Likewise.
6704 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6705 instead of SYMBOL_FLAG_IN_BLOCK.
6706 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6707 SYMBOL_REF_IN_BLOCK_P.
6708 (assemble_variable): Likewise.
6709 (output_constant_def_contents): Likewise.
6710 (output_constant_pool): Likewise.
6711 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6712 instead of SYMBOL_FLAG_IN_BLOCK.
6713 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6714 SYMBOL_REF_IN_BLOCK_P.
6715 (SYMBOL_REF_BLOCK): Likewise.
6716 (SYMBOL_REF_OFFSET): Likewise.
6717 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6718 SYMBOL_REF_IN_BLOCK_P.
6719 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6720 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6721 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6722 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6724 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6726 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6728 2006-03-02 Roger Sayle <roger@eyesopen.com>
6730 * simplify-rtx.c (simplify_unary_operation): When simplifying
6731 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6732 that we perform the right shift in the appropriate mode, and
6733 then extend or truncate the result to requested mode.
6735 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6737 * gengtype.c (main): Handle double_int type.
6738 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6739 * double-int.c: New file.
6740 * double-int.h: New file.
6741 * system.h: Include doubleint.h.
6742 * Makefile.in (SYSTEM_H): Include double-int.h.
6743 (double-int.o): Add.
6745 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6748 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6751 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6753 * tree-vrp.c (remove_range_assertions): Do not update statements
6756 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6758 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6760 * gcse.c (rest_of_handle_gcse): Ditto.
6761 * except.c (gate_handle_eh): Ditto.
6762 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6763 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6765 2006-03-02 Eric Christopher <echristo@apple.com>
6767 * config/i386/i386.c (machopic_output_stub): Add indirection to
6770 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6774 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6776 Sun Niagara specific optimizations.
6777 * config.gcc: Recognize niagara as target.
6778 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6779 (TARGET_CPU_niagara): Define.
6780 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6781 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6782 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6783 (ASM_CPU_SPEC): Likewise.
6784 (PROCESSOR_NIAGARA): New enum entry.
6785 (REGISTER_MOVE_COST): Handle Niagara.
6786 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6787 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6788 (sparc_override_options): Recognize "niagara", set appropriate
6789 default MASK_* values for it, and align functions to 32-bytes
6790 by default just like ULTRASPARC/ULTRASPARC3.
6791 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6792 (sparc64_initialize_trampoline): Likewise.
6793 (sparc_use_sched_lookahead): Use zero for niagara.
6794 (sparc_issue_rate): Use one for niagara.
6795 * config/sparc/niagara.md: New file.
6796 * config/sparc/sparc.md: Include it.
6797 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6798 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6799 when default cpu is niagara.
6800 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6801 (ASM_CPU_SPEC): Likewise.
6802 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6803 when default cpu is niagara.
6804 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6805 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6806 just like v9/ultrasparc/ultrasparc3.
6807 * doc/invoke.texi: Add documentation for "niagara" and improve
6808 existing documentation for ultrasparc variants.
6810 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6812 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6814 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6816 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6817 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6818 and say that only one is needed.
6819 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6820 * target.h (have_switchable_bss_sections): New hook.
6821 * explow.c (use_anchored_address): Check that the symbol is in a block.
6822 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6823 (bss_noswitch_section): New variables.
6824 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6825 (get_noswitch_section): New function.
6826 (get_block_for_section): Allow SECT to be null.
6827 (unlikely_text_section_p): Use SECTION_STYLE.
6828 (bss_initializer_p): New function.
6829 (get_variable_section): Move earlier in file. Take a new argument,
6830 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6831 Return one of the new *_sections in such cases.
6832 (get_block_for_decl): New function, extracting some logic from
6833 use_blocks_for_decl_p.
6834 (change_symbol_section): Remove in favor of...
6835 (change_symbol_block): ...this new function.
6836 (use_blocks_for_decl_p): Remove checks now performed by
6838 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6839 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6840 (emit_local, emit_bss, emit_common): ...these new functions.
6841 Return true if the alignment was honored.
6842 (emit_tls_common): New function.
6843 (asm_emit_uninitialised): Delete.
6844 (assemble_variable_noswitch): New function, split out from...
6845 (assemble_variable): ...here. Don't make decisions about common
6846 variables here. Globalize all public decls that go into non-common
6847 sections. Check whether SYMBOL_REF_BLOCK is null.
6848 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6849 (output_constant_pool): Likewise.
6850 (init_varasm_once): Initialize the new section variables.
6851 (have_global_bss_p): New function.
6852 (categorize_decl_for_section): Use bss_initializer_p.
6853 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6854 (place_block_symbol): Assert that the symbol must be in a block.
6855 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6856 (TARGET_INITIALIZER): Include it.
6857 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6858 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6859 (SECTION_MACH_DEP): Bump by two.
6860 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6861 (unnamed_section): Mention SECTION_UNNAMED in comment.
6862 (named_section): Likewise SECTION_NAMED.
6863 (noswitch_section_callback): New type.
6864 (noswitch_section): New structure.
6865 (section): Add a noswitch_section alternative.
6866 (SECTION_STYLE): New macro.
6867 (tls_comm_section, comm_section, lcomm_section): Declare.
6868 (bss_noswitch_section, have_global_bss_p): Declare.
6869 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6870 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6872 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6873 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6876 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6878 * tree-vrp.c (execute_vrp): Return value.
6879 * regrename.c (rest_of_handle_regrename): Ditto.
6880 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6881 * tree-complex.c (tree_lower_complex): Ditto.
6882 (tree_lower_complex_O0): Ditto.
6883 * tracer.c (rest_of_handle_tracer): Ditto.
6884 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6885 * postreload.c (rest_of_handle_postreload): Ditto.
6886 * tree-tailcall.c (execute_tail_recursion): Ditto.
6887 (execute_tail_calls): Ditto.
6888 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6889 * tree.h (init_function_for_compilation): Ditto.
6890 * ipa-cp.c (ipcp_driver): Ditto.
6891 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6892 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6893 * final.c (compute_alignments): Ditto.
6894 (rest_of_handle_final): Ditto.
6895 (rest_of_handle_shorten_branches): Ditto.
6896 (rest_of_clean_state): Ditto.
6897 * omp-low.c (execute_expand_omp): Ditto.
6898 (execute_lower_omp): Ditto.
6899 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6900 * ipa-reference.c (static_execute): Ditto.
6901 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6902 * reorg.c (rest_of_handle_delay_slots): Ditto.
6903 (rest_of_handle_machine_reorg): Ditto.
6904 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6905 * flow.c (recompute_reg_usage): Ditto.
6906 (rest_of_handle_remove_death_notes): Ditto.
6907 (rest_of_handle_life): Ditto.
6908 (rest_of_handle_flow2): Ditto.
6909 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6910 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6911 (do_ssa_store_ccp): Ditto.
6912 (execute_fold_all_builtins): Ditto.
6913 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6914 * modulo-sched.c (rest_of_handle_sms): Ditto.
6915 * ipa-pure-const.c (static_execute): Ditto.
6916 * cse.c (rest_of_handle_cse): Ditto.
6917 (rest_of_handle_cse2): Ditto.
6918 * web.c (rest_of_handle_web): Ditto.
6919 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6920 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6921 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6922 * tree-nrv.c (tree_nrv): Ditto.
6923 (execute_return_slot_opt): Ditto.
6924 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6925 (create_structure_vars): Ditto.
6926 * loop-init.c (rtl_loop_init): Ditto.
6927 (rtl_loop_done): Ditto.
6928 (rtl_move_loop_invariants): Ditto.
6929 (rtl_unswitch): Ditto.
6930 (rtl_unroll_and_peel_loops): Ditto.
6931 (rtl_doloop): Ditto.
6932 * gimple-low.c (lower_function_body): Ditto.
6933 (mark_used_blocks): Ditto.
6934 * tree-ssa-sink.c (execute_sink_code): Ditto.
6935 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6936 (cgraph_early_inlining): Ditto.
6937 * global.c (rest_of_handle_global_alloc): Ditto.
6938 * jump.c (cleanup_barriers): Ditto.
6939 (purge_line_number_notes): Ditto.
6940 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6941 (rest_of_handle_if_after_reload): Ditto.
6942 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6943 (tree_ssa_loop_im): Ditto.
6944 (tree_ssa_loop_unswitch): Ditto.
6945 (tree_vectorize): Ditto.
6946 (tree_linear_transform): Ditto.
6947 (tree_ssa_loop_ivcanon): Ditto.
6948 (tree_ssa_empty_loop): Ditto.
6949 (tree_ssa_loop_bounds): Ditto.
6950 (tree_complete_unroll): Ditto.
6951 (tree_ssa_loop_prefetch): Ditto.
6952 (tree_ssa_loop_ivopts): Ditto.
6953 (tree_ssa_loop_done): Ditto.
6954 * predict.c (tree_estimate_probability): Ditto.
6955 * recog.c (split_all_insns_noflow): Ditto.
6956 (rest_of_handle_peephole2): Ditto.
6957 (rest_of_handle_split_all_insns): Ditto.
6958 * tree-eh.c (lower_eh_constructs): Ditto.
6959 * regmove.c (rest_of_handle_regmove): Ditto.
6960 (rest_of_handle_stack_adjustments): Ditto.
6961 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6962 * function.c (instantiate_virtual_regs): Ditto.
6963 (init_function_for_compilation): Ditto.
6964 (rest_of_handle_check_leaf_regs): Ditto.
6965 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6966 (rest_of_handle_gcse): Ditto.
6967 * ipa-type-escape.c (type_escape_execute): Ditto.
6968 * alias.c (rest_of_handle_cfg): Ditto.
6969 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6970 * profile.c (rest_of_handle_branch_prob): Ditto.
6971 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6972 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6973 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6974 * tree-dfa.c (find_referenced_vars): Ditto.
6975 * except.c (set_nothrow_function_flags): Ditto.
6976 (convert_to_eh_region_ranges): Ditto.
6977 (rest_of_handle_eh): Ditto.
6978 * emit-rtl.c (unshare_all_rtl): Ditto.
6979 (remove_unnecessary_notes): Ditto.
6980 * except.h (set_nothrow_function_flags): Ditto.
6981 (convert_to_eh_region_ranges): Ditto.
6982 * cfgexpand.c (tree_expand_cfg): Ditto.
6983 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6984 * tree-ssa-pre.c (do_pre): Ditto.
6985 (execute_fre): Ditto.
6986 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6987 (rest_of_handle_jump2): Ditto.
6988 * tree-sra.c (tree_sra): Ditto.
6989 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6990 (execute_mudflap_function_decls): Ditto.
6991 * tree-ssa-copy.c (do_copy_prop): Ditto.
6992 (do_store_copy_prop): Ditto.
6993 * ipa-prop.h (ipcp_driver): Ditto.
6994 * cfglayout.c (insn_locators_initialize): Ditto.
6995 * tree-ssa-forwprop.c
6996 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6997 * cfglayout.h (insn_locators_initialize): Ditto.
6998 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6999 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7000 (execute_late_warn_uninitialized): Ditto.
7001 * rtl.h (cleanup_barriers): Ditto.
7002 (split_all_insns_noflow): Ditto.
7003 (purge_line_number_notes): Ditto.
7004 (unshare_all_rtl): Ditto.
7005 (remove_unnecessary_notes): Ditto.
7006 (recompute_reg_usage): Ditto.
7007 (variable_tracking_main): Ditto.
7008 * integrate.c (emit_initial_value_sets): Ditto.
7009 * integrate.h (emit_initial_value_sets): Ditto.
7010 * tree-optimize.c (execute_free_datastructures): Ditto
7011 (execute_free_cfg_annotations): Ditto.
7012 (execute_fixup_cfg): Ditto.
7013 (execute_cleanup_cfg_pre_ipa): Ditto.
7014 (execute_cleanup_cfg_post_optimizing): Ditto.
7015 (execute_init_datastructures): Ditto.
7016 * tree-object-size.c (compute_object_sizes): Ditto.
7017 * combine.c (rest_of_handle_combine): Ditto.
7018 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7019 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7020 (rest_of_handle_reorder_blocks): Ditto.
7021 (rest_of_handle_partition_blocks): Ditto.
7022 * var-tracking.c (variable_tracking_main): Ditto.
7023 * tree-profile.c (tree_profiling): Ditto.
7024 * tree-vect-generic.c (expand_vector_operations): Ditto.
7025 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7026 * sched-rgn.c (rest_of_handle_sched): Ditto.
7027 (rest_of_handle_sched2): Ditto.
7028 * basic-block.h (free_bb_insn): Ditto.
7029 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7030 * tree-cfg.c (execute_build_cfg): Ditto.
7031 (remove_useless_stmts): Ditto.
7032 (split_critical_edges): Ditto.
7033 (execute_warn_function_return): Ditto.
7034 (execute_warn_function_noreturn): Ditto.
7035 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7036 * cfgrtl.c (free_bb_for_insn): Ditto.
7037 * passes.c (execute_one_pass): Run additional
7038 todos returned by execute function.
7039 * tree-pass.h (struct tree_opt_pass): Make execute
7042 2006-03-02 Richard Guenther <rguenther@suse.de>
7044 * tree-ssa-alias.c (find_used_portions): Consider taking
7045 the address as making the variable not write-only.
7047 2006-03-02 Nick Clifton <nickc@redhat.com>
7049 * config.gcc (default_use_cxa_atexit): Extend the description of
7050 this configure variable. Set its default value to "yes" for
7051 Linux, NetBSD and ELF targets on the assumption that they will
7052 use C libraries with the __cxa_atexit function.
7054 2006-03-02 Ben Elliston <bje@au.ibm.com>
7056 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7057 parameter as unused to suppress a build warning.
7059 2006-03-02 Ben Elliston <bje@au.ibm.com>
7061 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7064 2006-03-01 Roger Sayle <roger@eyesopen.com>
7067 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7068 declared name, the weak reference name, and the typeof name.
7069 (__gthrw): Avoid expanding the declared name suffix.
7070 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7072 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7074 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7076 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7077 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7078 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7079 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7080 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7081 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7082 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7083 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7084 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7085 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7086 (DW_END_default, DW_END_big, DW_END_little): New.
7087 (DW_END_lo_user, DW_END_hi_user): Define.
7088 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7089 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7090 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7093 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7095 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7097 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7099 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7101 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7103 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7104 to 'symbol_mem_tag'.
7106 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7109 2006-03-01 Roger Sayle <roger@eyesopen.com>
7111 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7113 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7116 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7117 MACHO_DYNAMIC_NO_PIC_P.
7118 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7120 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7123 * config/darwin-protos.h (darwin_asm_output_anchor):
7125 * config/darwin-sections.def (cstring_section):
7126 Add SECTION_MERGE to the flags.
7127 (literal4_section): Likewise.
7128 (literal8_section): Likewise.
7129 (objc_selector_refs_section): Likewise.
7130 (objc_cls_refs_section): Likewise.
7131 * config/darwin.c (darwin_asm_output_anchor): New
7133 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7135 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7137 Fix PR tree-optimization/26443
7138 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7139 to todo and PROP_tmt_usage to properties_destroyed.
7140 * tree-ssa-ccp.c (pass_ccp): Ditto.
7141 (pass_store_ccp): Ditto.
7142 * tree-ssa-dom.c (pass_dominator): Ditto.
7144 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7146 * tree-ssa-operands.c: Cleanup whitespace.
7147 (get_asm_expr_operands): Move before first invocation.
7148 (get_indirect_ref_operands): Likewise.
7149 (get_tmr_operands): Likewise.
7150 (get_call_expr_operands): Likewise.
7151 (append_def): Likewise.
7152 (append_use): Likewise.
7153 (append_v_may_def): Likewise.
7154 (append_v_must_def): Likewise.
7155 (add_call_clobber_ops): Likewise.
7156 (add_call_read_ops): Likewise.
7157 (add_stmt_operand): Likewise.
7158 (add_virtual_operand): Likewise.
7159 (build_ssa_operands): Likewise.
7161 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7166 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7167 with a call expr to ...
7168 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7170 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7172 * tree-vrp.c (extract_range_from_assert): Remove special
7173 handling for types with super-types.
7175 2006-03-01 Ben Elliston <bje@au.ibm.com>
7177 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7178 and powerpc64-*-linux* configurations.
7179 * config/t-dfprules: New file.
7181 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7182 Compile dfp-bit.c from the source directory using -DWIDTH and
7183 $DFP_CFLAGS to control the compilation of that file, rather than
7184 generating width-specific versions in the build directory.
7185 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7186 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7188 2006-02-28 Zack Weinberg <zackw@panix.com>
7190 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7193 2006-02-28 Eric Christopher <echristo@apple.com>
7195 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7196 Set up IN_LIBGCC definition of TARGET_64BIT.
7197 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7199 2006-02-28 Roger Sayle <roger@eyesopen.com>
7202 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7203 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7204 cases via the construction of "expr != 0".
7206 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7208 * alias.c (alias_invariant, alias_invariant_size): Remove.
7209 (record_base_value): Remove.
7210 (memrefs_conflict_p): Don't look at alias_invariant.
7211 (end_alias_analysis): Don't free it.
7212 * alias.h (record_base_value): Remove prototype.
7214 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7215 Adam Nemet <anemet@caviumnetworks.com>
7217 * rtl.h (truncated_to_mode): Declare it.
7218 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7219 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7220 (RTL_HOOKS_INITIALIZER): Include it.
7221 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7222 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7223 reg_truncated_to_mode.
7224 * rtlanal.c (truncated_to_mode): Define it.
7225 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7227 2006-02-28 Jeff Law <law@redhat.com>
7229 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7230 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7231 the range allowed by TYPE_PRECISION.
7233 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7235 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7237 PR tree-optimization/26419
7238 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7241 2006-02-27 Zack Weinberg <zackw@panix.com>
7243 * doc/md.texi: Fix typo in previous change.
7245 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7249 2006-02-27 Zack Weinberg <zackw@panix.com>
7251 * rtl.def (define_constraint, define_register_constraint)
7252 (define_memory_constraint, define_address_constraint): New MD forms.
7253 * gensupport.c (process_rtx): Put define_constraint etc on the
7255 * genpreds.c (process_define_predicate): Adjust comment. Validate
7256 the name, and call validate_exp to validate the expression.
7257 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7258 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7259 all callers changed.
7260 (validate_exp, needs_variable, struct constraint_data)
7261 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7262 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7263 (const_dbl_constraints, constraint_max_namelen)
7264 (have_register_constraints, have_memory_constraints)
7265 (have_address_constraints, have_address_constraints)
7266 (have_extra_constraints, have_const_int_constraints)
7267 (have_const_dbl_constraints, mangle, add_constraint)
7268 (process_define_constraint, process_define_register_constraint)
7269 (write_enum_constraint_num, write_lookup_constraint)
7270 (write_insn_constraint_len, write_regclass_for_constraint)
7271 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7272 (write_insn_extra_memory_constraint)
7273 (write_insn_extra_address_constraint)
7274 (write_satisfies_constraint_fns): New.
7275 (write_tm_preds_h): If we have new-style constraint definitions,
7276 prototype the functions generated from them, and define the
7277 old constraint interface (still used by generic code) in terms of
7279 (write_insn_preds_c): If we have new-style constraint definitions,
7280 generate all relevant functions from those definitions.
7281 (main): Handle define_constraint etc.
7282 * genoutput.c (struct constraint_data, indep_constraints)
7283 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7284 (mdep_constraint_len): New data structures and functions, defined
7285 #ifdef USE_MD_CONSTRAINTS.
7286 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7287 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7288 use new logic to validate operand constraints against constraint
7290 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7292 * defaults.h: If none of the old-style constraint macros are
7293 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7294 old-style macros; and poison REG_CLASS_FROM_LETTER,
7295 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7297 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7298 * doc/md.texi: Document new constraint-definition mechanism and the
7299 C interface it provides. Remove references to old mechanism
7300 elsewhere in the document.
7301 (Machine Constraints): Use pathnames relative to gcc directory,
7302 i.e. config/ARCH/FILE. Change i386 section to refer to
7303 config/i386/predicates.md; update that section to match docstrings.
7304 * doc/tm.texi: Move all documentation of the old constraint-
7305 definition macros to their own section, clearly mark as obsolete.
7307 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7308 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7310 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7311 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7312 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7314 (splits and peepholes): Use satisfies_constraint_*.
7315 * config/i386/i386.c (memory_address_length)
7316 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7318 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7320 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7321 scalar operation to be put back into the loop.
7323 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7326 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7327 (extract_cie_info): Handle S flag in augmentation string.
7328 (execute_cfa_program): If context->signal_frame, execute also
7329 fs->pc == context->ra instructions.
7330 (uw_frame_state_for): If context->signal_frame, don't subtract one
7331 from context->ra to find FDE.
7332 (uw_update_context_1): Set context->signal_frame to
7334 (_Unwind_GetIPInfo): New function.
7335 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7336 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7338 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7339 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7340 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7341 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7342 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7343 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7344 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7345 x86_64_fallback_frame_state): Set fs->signal_frame.
7346 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7347 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7348 (frob_update_context): Likewise. Workaround missing S flag in
7349 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7350 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7351 Remove the psw_addr + 1 hack.
7353 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7355 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7356 with aggregates here.
7357 (find_func_aliases): Remove code for &<aggregate> from here.
7359 2006-02-26 Roger Sayle <roger@eyesopen.com>
7361 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7362 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7363 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7366 2006-02-26 Roger Sayle <roger@eyesopen.com>
7369 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7371 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7373 * opts.c (decode_options): Do not handle flag_strength_reduce.
7374 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7375 and OPT_fstrength_reduce.
7376 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7377 flag_prefetch_loop_arrays for being nonzero.
7378 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7380 (fprefetch-loop-arrays-rtl): Removed.
7381 (flag_prefetch_loop_arrays): Do not specify the value.
7383 * doc/passes.texi: Update documentation of loop optimizer
7385 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7386 -frerun-loop-opt): Remove.
7388 2006-02-26 Richard Guenther <rguenther@suse.de>
7390 PR tree-optimization/26421
7391 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7392 in function calls that are ADDR_EXPRs as using the whole structure.
7394 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7396 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7397 * tree-pass.h (pass_loop_optimize): Remove.
7398 * passes.c (pass_loop_optimize): Never run it.
7399 * toplev.c (backend_init): Don't call init_loop.
7400 * opts.c (flag_loop_optimize_set): Remove.
7401 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7402 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7403 the old RTL loop optimizer when profiling enabled.
7404 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7405 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7406 pre-headers for the sake of the old RTL loop optimizer.
7407 * Makefile.in: Remove all references to loop.o.
7409 * doc/invoke.texi: Remove all references to -floop-optimize
7410 and -frerun-loop-opt.
7412 2006-02-26 Zack Weinberg <zackw@panix.com>
7414 * doc/md.texi (Machine Constraints): Refer to all files with paths
7415 relative to gcc directory (i.e. config/CPU/file). Add missing
7416 @table @code ... @end table to M32C subsection.
7418 2006-02-26 Roger Sayle <roger@eyesopen.com>
7420 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7422 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7424 2006-02-26 Roger Sayle <roger@eyesopen.com>
7425 James A. Morrison <phython@gcc.gnu.org>
7428 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7429 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7430 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7431 signedness of the shift operation.
7433 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7435 PR tree-optimization/26359
7436 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7438 2006-02-25 Roger Sayle <roger@eyesopen.com>
7440 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7441 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7442 as X == 0, and some symmetry related transformations.
7443 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7445 2006-02-25 Roger Sayle <roger@eyesopen.com>
7448 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7449 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7450 symmetry related transformations. Fold (X^C1) == C2 as
7453 2006-02-25 Juergen Weigert <jw@suse.de>
7454 Richard Guenther <rguenther@suse.de>
7456 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7458 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7460 * combine.c (gen_lowpart_or_truncate): Call
7461 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7463 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7465 * doc/invoke.texi: Move -fopenmp description to "Options for
7467 Remove reference to -lgomp.
7469 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7471 * doc/install.texi: Require GNU tar version 1.14.
7473 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7475 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7476 * doc/invoke.texi (C++ Dialect Options): Document
7477 -fno-use-cxa-get-exception-ptr.
7478 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7479 * configure: Regenerate.
7480 * c.opt (fuse-cxa-get-exception-ptr): New.
7481 * c-opts.c (c_common_handle_option): Handle
7482 OPT_fuse_cxa_get_exception_ptr.
7483 * c-common.c (flag_use_cxa_atexit): Update documentation.
7484 (flag_use_cxa_get_exception_ptr): New.
7485 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7486 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7488 (C_COMMON_OVERRIDE_OPTIONS): New.
7490 2006-02-24 Roger Sayle <roger@eyesopen.com>
7493 * combine.c (try_combine): Explicitly check whether GET_CODE is
7494 a SET or a CLOBBER, instead on checking that it isn't a USE.
7496 2006-02-24 Roger Sayle <roger@eyesopen.com>
7498 * fold-const.c (fold_comparison): New subroutine of fold_binary
7499 containing transformations common to both the equality and
7500 ordering relational operators, factored out of fold_binary.
7501 (fold_binary): Separate out the equality operators (EQ_EXPR
7502 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7503 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7504 transformations common to both.
7505 (fold_div_compare): Fix latent bugs in the previously unreachable
7506 LT_EXPR and GE_EXPR cases.
7508 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7510 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7511 decl libname for clog to __clog on AIX.
7513 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7515 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7518 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7519 output traceback table for thunks. Localise rs6000_stack_info call.
7521 2006-02-23 Roger Sayle <roger@eyesopen.com>
7522 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7524 * gthr-posix.h (__gthrw): Fix typo in comment.
7526 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7528 * doc/cpp.texi (Character sets): Document that we do support
7529 input files to be in any character set.
7531 2006-02-23 Jeff Law <law@redhat.com>
7533 * tree.h (PHI_ARG_NONZERO): Remove.
7534 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7535 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7536 node to the new node.
7538 PR tree-optimization/26425
7539 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7540 min/max, then assume its varying.
7542 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7544 PR rtl-optimization/26316
7545 * rtlanal.c (enum may_trap_p_flags): New.
7546 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7547 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7548 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7549 (may_trap_after_code_motion_p): New function.
7550 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7551 (find_invariant_insn): Use may_trap_after_code_motion_p.
7552 * rtl.h (may_trap_after_code_motion_p): Declare.
7554 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7556 * emit-rtl.c (immed_double_const): Cleanup.
7558 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7560 Fix PR tree-optimization/26376
7561 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7564 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7567 * gimplify.c (omp_add_variable): Guard variable size decl test with
7568 DECL_SIZE (decl) check.
7570 2006-02-23 Richard Guenther <rguenther@suse.de>
7573 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7574 like aggregate types.
7576 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7578 * configure.ac: Add --with{,out}-long-double-128 configure option.
7579 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7580 * configure: Rebuilt.
7581 * config.in: Rebuilt.
7582 * doc/install.texi (Options specification): Document
7583 --with-long-double-128.
7585 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7586 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7587 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7588 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7590 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7592 * config/s390/s390.c (override_options): Handle
7593 TARGET_DEFAULT_LONG_DOUBLE_128.
7595 * config/alpha/alpha.c (override_options): Handle
7596 TARGET_DEFAULT_LONG_DOUBLE_128.
7598 * config/sparc/sparc.c (sparc_override_options): Handle
7599 TARGET_DEFAULT_LONG_DOUBLE_128.
7601 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7603 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7604 (real-install-headers-tar, real-install-headers-cpio)
7605 (real-install-headers-cp): New targets.
7607 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7609 * tree.h (variable_section): Delete.
7610 * varasm.c (variable_section): Delete.
7612 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7614 * install.texi: Add notes on install.texi2html.
7615 (Building in parallel): Do not use footnotes.
7617 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7620 * doc/install.texi (Configuration): Document --disable-libgomp.
7622 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7624 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7626 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7628 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7629 (vec_extractv2df_0_sse): New.
7631 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7633 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7634 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7635 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7636 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7637 to the result of the expression.
7638 (def_cfa_1): Adjust.
7639 (frame_pointer_cfa_offset): Rename to...
7640 (frame_pointer_fb_offset): ... this. Adjust all uses.
7641 (convert_cfa_to_loc_list): Rename to...
7642 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7643 Pass it on to build_cfa_loc.
7644 (compute_frame_pointer_to_cfa_displacement): Rename to...
7645 (compute_frame_pointer_to_fb_displacement): ... this. New
7646 offset parameter. Use it in computation.
7647 (gen_subprogram_die): Compute cfa_fb_offset with the new
7648 macro, and use it to compute the fb loc list and the
7651 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7653 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7654 replaced with register_operand.
7655 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7656 non-DREG is expensive.
7657 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7658 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7661 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7663 * doc/install.texi2html: Use set -e.
7665 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7667 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7668 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7669 * doc/invoke.texi (-fshared-data): Delete.
7670 * common.opt (fshared-data): Delete.
7671 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7672 (assemble_static_space): Remove #if 0 code.
7673 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7674 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7675 * config/cris/cris.h: Remove FIXME.
7677 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7679 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7682 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7685 * combine.c (simplify_shift_const_1): Disable nested shifts
7686 optimization for vector shifts.
7688 2006-02-20 Roger Sayle <roger@eyesopen.com>
7690 PR tree-optimization/26361
7691 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7692 of unsigned integer types.
7694 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7696 * tree-chrec.c (eq_evolutions_p): New.
7697 * tree-chrec.h (eq_evolutions_p): Declared.
7698 * tree-data-ref.c: Fix formatting.
7699 (datadep_stats, dependence_stats): New.
7701 (print_direction_vector): New.
7702 (dump_data_dependence_relation): Use print_direction_vector.
7703 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7704 (compute_subscript_distance): Static.
7705 (initialize_data_dependence_relation): Static. Get the number
7706 of loops surrounding the references from the callers, and initialize
7707 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7708 base_object_differ_p analyzers.
7709 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7710 compute_overlap_steps_for_affine_1_2,
7711 analyze_subscript_affine_affine): Count the classified dependences.
7712 Print a message when a test failed.
7713 (can_use_analyze_subscript_affine_affine): New.
7714 (analyze_siv_subscript): Compute the data dependences on symbolic
7715 scevs that verify can_use_analyze_subscript_affine_affine.
7716 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7717 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7718 Handle symbolic scevs.
7719 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7721 (subscript_dependence_tester): Moved...
7722 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7723 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7724 DDR_SIZE_VECT instead of getting it in parameter.
7725 (subscript_dependence_tester): ... here. Take as a parameter
7726 loop_nest_depth. Call build_classic_dist_vector and
7727 build_classic_dir_vector.
7728 (compute_affine_dependence): Update subscript_dependence_tester
7729 parameters. Update datadep_stats counters. Call
7730 compute_subscript_distance.
7731 (compute_self_dependence): Save the dist and dir vectors. Call
7732 compute_subscript_distance.
7733 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7734 (compute_all_dependences): Reorder parameters as they were before
7735 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7736 compute_subscript_distance. Update the use of
7737 compute_affine_dependence and initialize_data_dependence_relation.
7738 (find_data_references_in_loop): Handle COMPONENT_REF.
7739 (compute_data_dependences_for_loop): Initialize dependence_stats.
7740 Don't call build_classic_dist_vector and build_classic_dir_vector.
7741 Update the parameters of initialize_data_dependence_relation and
7742 compute_all_dependences. Print the statistics from datadep_stats.
7743 (analyze_all_data_dependences): Static. Not used until the pass for
7744 checking the data dependences is contributed.
7745 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7746 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7747 (initialize_data_dependence_relation, compute_affine_dependence,
7748 analyze_all_data_dependences, compute_subscript_distance): Removed.
7749 (print_direction_vector): New.
7750 * lambda.h (gcd): ... here.
7751 (lambda_vector_gcd): Moved here from gcd_vector.
7752 * lambda-code.c (gcd, gcd_vector): Removed.
7753 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7754 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7756 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7758 * ipa-type-escape.c: Tidy some comments and white space.
7759 * tree-ssa-operands.c: Likewise.
7761 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7764 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7765 (dump_decl_name): Do not walk the decl tree chains.
7766 * tree-pass.h (TDF_CHAIN): Remove.
7768 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7770 * Makefile.in (C): Remove
7772 (.PHONY): Remove C and PROTO
7774 2006-02-20 Roger Sayle <roger@eyesopen.com>
7777 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7778 deprecated CHAR_TYPE tree code.
7780 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7782 * configure.ac (target_list): Add install-info, dvi, html.
7783 * configure: Regenerate.
7785 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7786 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7787 treelang/Make-lang.in: Do not use double-colon rules.
7789 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7791 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7792 (TMT_USED_ALONE): New macro.
7793 * tree-pass.h (PROP_tmt_usage): New property.
7794 (TODO_update_tmt_usage): New todo.
7795 * tree-ssa-alias.c (updating_used_alone): New variable.
7796 (recalculate_used_alone): New function.
7797 (compute_may_aliases): Set updating_used_alone, call
7798 recalculate_used_alone.
7799 * tree-sra.c (pass_sra): Note that this pass destroys
7800 PROP_tmt_usage, and add TODO_update_tmt_usage.
7801 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7802 * tree-flow.h (updating_used_alone): Prototype.
7803 (recalculate_used_alone): Ditto.
7804 * passes.c (execute_todo): Add code to set updating_used_alone,
7805 and call recalculate.
7806 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7807 for clobber if used alone, and add assert to verify used_alone
7810 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7812 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7813 for non tls symbols added.
7814 (legitimize_address): Do nothing for PLUS expressions if one of the
7815 addends is a tls symbol reference.
7817 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7821 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7823 * Makefile.in (BOOTSTRAPPING): New.
7824 (quickstrap): New definition if BOOTSTRAPPING=yes.
7826 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7827 * configure.ac: Substitute all_selected_languages with the languages
7828 that were configured. For all the other variables except
7829 lang_specs_files, include all the languages in the tree.
7830 * configure: Regenerate.
7832 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7833 if there is one. Run the commands to run fixincludes in the same
7836 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7837 * doc/install.texi: Document exact conventions for searching target tools.
7838 Document --with-build-time-tools. Document toplevel bootstrap. Document
7839 something more about building an Ada cross-compiler. Don't list GNU Make
7840 requirements which affect all platforms.
7842 2006-02-19 Roger Sayle <roger@eyesopen.com>
7845 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7846 only equivalent if the have both the same mode and precision.
7848 2006-02-20 Ben Elliston <bje@au.ibm.com>
7850 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7852 2006-02-19 Roger Sayle <roger@eyesopen.com>
7853 Steven Bosscher <stevenb.gcc@gmail.com>
7855 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7856 constant pool references to identify stack mode constants.
7857 * rtlanal.c (constant_pool_constant_p): New predicate to check
7858 whether operand is a floating point constant in the pool.
7859 * rtl.h (constant_pool_constant_p): Prototype here.
7860 * loop.c (scan_loop): Avoid hoisting constants from the constant
7861 pool on STACK_REGS targets.
7862 (load_mems): Likewise.
7863 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7864 loads into x87 registers expensive in terms of register pressure.
7866 2006-02-19 Roger Sayle <roger@eyesopen.com>
7868 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7869 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7871 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7873 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7874 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7876 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7878 * doc/invoke.texi: Document -fipa-pta.
7879 * common.opt: Add ipa-pta option.
7880 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7881 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7882 (do_ds_constraint): Ditto.
7883 (get_constraint_for): Only add to referenced_vars if
7884 referenced_vars exists.
7885 (insert_into_field_list): Rewrite to do this unsorted.
7886 (insert_into_field_list_sorted): Rename old insert_into_field_list
7888 (create_function_info_for): Use insert_into_field_list_sorted.
7889 (create_variable_info_for): Rewrite so it uses unsorted version,
7890 since the field list is sorted.
7891 (intra_create_variable_infos): Only add to referenced_vars if
7892 referenced_vars exists.
7893 (ipa_pta_execute): Init heapvars, and delete when done.
7894 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7896 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7898 * doc/install.texi: Add missing `@samp'.
7900 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7902 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7905 2006-02-18 Mark Wielaard <mark@klomp.org>
7907 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7908 who added new 4.1 features, bug fixes and integration support.
7910 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7913 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7916 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7918 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7919 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7920 (copy_insn_1): Likewise. Don't copy each field individually.
7922 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7924 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7925 * rtl.c (rtx_size): Rename variable to...
7926 (rtx_code_size): ...this.
7927 (rtx_size): New function.
7928 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7929 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7931 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7932 * rtl.h (rtx_code_size): New variable.
7933 (rtx_size): Change from a variable to a function.
7934 (RTX_SIZE): Rename to...
7935 (RTX_CODE_SIZE): ...this.
7938 PR tree-optimization/17106
7939 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7940 (Anchored Addresses): New section.
7941 * doc/invoke.texi (-fsection-anchors): Document.
7942 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7943 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7944 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7945 * hooks.c (hook_bool_mode_rtx_false): New function.
7946 * hooks.h (hook_bool_mode_rtx_false): Declare.
7947 * gengtype.c (create_optional_field): New function.
7948 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7949 SYMBOL_REF_IN_BLOCK_P is true.
7950 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7951 (min_anchor_offset, max_anchor_offset): Likewise.
7952 (use_anchors_for_symbol_p): New hook.
7953 * toplev.c (compile_file): Call output_object_blocks.
7954 (target_supports_section_anchors_p): New function.
7955 (process_options): Check that -fsection-anchors is only used on
7956 targets that support it and when -funit-at-a-time is in effect.
7957 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7958 if the decl doesn't have one.
7959 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7960 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7961 of force_const_mem through use_anchored_address.
7962 (expand_expr_constant): New function.
7963 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7964 calling expand_expr for INDIRECT_REF.
7965 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7966 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7967 * expr.h (use_anchored_address): Declare.
7968 * loop-unroll.c: Don't declare rtx vectors here.
7969 * explow.c: Include output.h.
7970 (validize_mem): Call use_anchored_address.
7971 (use_anchored_address): New function.
7972 * common.opt (-fsection-anchors): New switch.
7973 * varasm.c (object_block_htab, anchor_labelno): New variables.
7974 (hash_section, object_block_entry_eq, object_block_entry_hash)
7975 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7976 (use_blocks_for_decl_p, change_symbol_section): New functions.
7977 (get_variable_section): New function, split out from assemble_variable.
7978 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7979 use_blocks_for_decl_p say so. Use change_symbol_section if the
7980 symbol has already been created.
7981 (assemble_variable_contents): New function, split out from...
7982 (assemble_variable): ...here. Don't output any code for
7983 block symbols; just pass them to place_block_symbol.
7984 Use get_variable_section and assemble_variable_contents.
7985 (get_constant_alignment, get_constant_section, get_constant_size): New
7986 functions, split from output_constant_def_contents.
7987 (build_constant_desc): Create a block symbol if use_object_blocks_p
7988 says so. Or into SYMBOL_REF_FLAGS.
7989 (assemble_constant_contents): New function, split from...
7990 (output_constant_def_contents): ...here. Don't output any code
7991 for block symbols; just pass them to place_section_symbol.
7992 Use get_constant_section and get_constant_alignment.
7993 (force_const_mem): Create a block symbol if use_object_blocks_p and
7994 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7995 (output_constant_pool_1): Add an explicit alignment argument.
7996 Don't switch sections here.
7997 (output_constant_pool): Adjust call to output_constant_pool_1.
7998 Switch sections here instead. Don't output anything for block symbols;
7999 just pass them to place_block_symbol.
8000 (init_varasm_once): Initialize object_block_htab.
8001 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8002 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8003 (place_block_symbol, get_section_anchor, output_object_block)
8004 (output_object_block_htab, output_object_blocks): New functions.
8005 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8006 (TARGET_ASM_OUT): Include it.
8007 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8008 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8009 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8010 (TARGET_INITIALIZER): Include them.
8011 * rtl.c (rtl_check_failed_block_symbol): New function.
8012 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8013 (block_symbol, object_block): New structures.
8014 (rtx_def): Add a block_symbol field to the union.
8015 (BLOCK_SYMBOL_CHECK): New macro.
8016 (rtl_check_failed_block_symbol): Declare.
8017 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8018 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8019 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8020 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8021 * output.h (output_section_symbols): Declare.
8022 (object_block): Name structure.
8023 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8024 (default_use_anchors_for_symbol_p): Declare.
8025 * Makefile.in (RTL_BASE_H): Add vec.h.
8026 (explow.o): Depend on output.h.
8027 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8028 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8029 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8030 (rs6000_use_blocks_for_constant_p): New function.
8032 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8034 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8036 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8039 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8042 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8044 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8048 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8051 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8052 instead of DECL_REGISTER.
8054 2006-02-18 Olivier Hainque <hainque@adacore.com>
8057 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8059 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8062 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8063 * opth-gen.awk: Handle Var and InverseMask together.
8064 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8065 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8066 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8067 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8069 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8070 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8071 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8072 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8073 LINUX_DYNAMIC_LINKER): Define.
8074 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8075 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8077 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8078 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8079 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8080 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8081 (TARGET_C99_FUNCTIONS): Don't define.
8082 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8083 GLIBC_DYNAMIC_LINKER.
8084 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8085 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8086 GLIBC_DYNAMIC_LINKER64): Define.
8087 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8088 LINUX_DYNAMIC_LINKER64.
8089 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8090 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8091 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8092 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8093 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8094 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8095 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8096 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8097 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8098 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8099 and LINUX_DYNAMIC_LINKER32.
8100 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8101 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8102 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8103 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8104 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8106 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8107 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8108 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8109 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8110 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8111 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8112 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8113 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8114 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8115 LINUX_DYNAMIC_LINKER): Define.
8116 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8117 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8118 GLIBC_DYNAMIC_LINKER64): Define.
8119 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8120 LINUX_DYNAMIC_LINKER64.
8121 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8122 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8123 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8124 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8125 LINUX_DYNAMIC_LINKER): Define.
8126 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8127 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8128 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8129 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8130 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8131 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8132 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8133 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8134 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8135 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8136 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8137 * doc/invoke.texi (-muclibc): Remove caveat about supported
8140 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8142 * doc/cpp.texi (__TIMESTAMP__): Document.
8144 2006-02-17 Roger Sayle <roger@eyesopen.com>
8147 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8148 C is one less than the width of X (and related transformations).
8149 * simplify-rtx.c (simplify_unary_operation_1): Transform
8150 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8151 depending on STORE_FLAG_VALUE, were C is one less then the
8154 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8156 Fix PR tree-optimization/26341
8157 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8158 about NAME_MEMORY_TAG's.
8160 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8163 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8164 with hardware float support, and software float support. Add fcpy
8165 alternative to hardware patterns. Add alternatives to copy between
8166 general and floating-point registers to the 32-bit pattern.
8167 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8168 secondary reload to load a QI or HI mode constant into a floating
8170 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8171 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8173 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8176 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8178 (load_macho_picbase_di): Likewise.
8180 2006-02-16 Jeff Law <law@redhat.com>
8182 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8183 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8184 (ssa_name_nonzero_p): Likewise.
8185 (get_value_range): Return NULL if VRP is not running.
8186 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8187 VRP routines do not discover a range.
8188 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8189 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8190 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8191 (tree_expr_nonnegative_p): Similarly.
8192 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8193 (restore_nonzero_vars_to_original_value): Remove.
8194 (unsafe_associative_fp_binop): Remove.
8195 (tree_ssa_dominator_optimize): Remove initialization and
8196 finalization of nonzero_vars and nonzero_vars_stack.
8197 (dom_opt_initialize_block): No longer push marker on
8199 (dom_opt_finalize_block): No longer call
8200 restore_nonzero_vars_to_original_value.
8201 (record_equivalences_from_phis): No longer look for
8202 nonzero PHI arguments.
8203 (cprop_into_successor_phis): No longer propagate nonzero
8204 property into PHI arguments. Lose unused argument. Caller
8206 (record_equivalences_from_stmt): No longer record nonzero
8207 values for SSA_NAMEs.
8208 (lookup_avail_expr): No longer use nonzero_vars.
8210 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8211 for sizetype when sizetype is unsigned.
8213 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8215 PR rtl-optimization/25603
8216 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8217 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8218 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8219 with new meaning of SETS.
8221 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8226 * config/linux.opt: New file.
8227 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8228 LINUX_DYNAMIC_LINKER): Define.
8229 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8230 * config.gcc (*-*-linux*): Define extra_options.
8231 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8232 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8233 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8234 GLIBC_DYNAMIC_LINKER.
8235 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8236 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8237 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8238 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8239 * doc/invoke.texi (GNU/Linux Options): New section.
8241 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8243 * config/sparc/sparc.md (setjmp): Rewrite.
8244 (setjmp_32): Delete.
8245 (setjmp_64): Likewise.
8247 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8249 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8252 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8254 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8257 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8259 PR rtl-optimization/26296
8260 * Makefile.in (loop-invariant.c): Add except.h dependency.
8261 * loop-invariant.c: Include except.h.
8262 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8264 2005-02-16 Paul Brook <paul@codesourcery.com>
8266 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8269 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8271 PR rtl-optimization/25636
8272 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8273 when deciding whether an insn is an initializing insn.
8275 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8277 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8278 (tree_code_size): Ditto.
8279 * tree.h (struct tree_memory_tag): Remove parent_var.
8280 (struct tree_struct_field_tag): New.
8283 (union tree_node): Add sft member.
8284 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8286 (create_sft): Add size and offset argument, set SFT_OFFSET and
8288 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8289 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8290 * tree-flow-inline.h (get_subvar_at): Update for
8291 SFT_OFFSET/SFT_SIZE.
8292 (var_can_have_subvars): Ditto.
8293 (overlap_subvar): Ditto.
8294 * print-tree.c (print_node): Print out interesting things for
8296 * tree-flow.h (struct subvar): Remove offset and size members.
8297 * tree-ssa-operands.c (get_expr_operands): Update for
8298 get_indirect_ref_operands changes.
8299 (get_indirect_ref_operands): Call add_virtual_operand instead of
8300 add_stmt_operand. Only recurse on base var if requested.
8301 (access_can_touch_variable): New function.
8302 (add_stmt_operand): Split virtual operand handling into ...
8303 (add_virtual_operand): Here. Add offset, size, and for_clobber
8304 arguments. Prune alias sets.
8305 (add_call_clobber_ops): Call add_virtual_operand.
8307 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8310 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8312 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8313 than TREE_CODE as index into omp_clause_num_ops array.
8315 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8317 PR rtl-optimization/26184
8318 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8320 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8321 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8322 must_precede, must_follow and tobe_scheduled.
8325 * opts.c (common_handle_option): Free new_option pointer.
8326 * df-core.c (df_analyze): Free postorder pointer.
8328 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8330 * Makefile.in: Fix the examples about the use of stamps
8332 2006-02-15 Michael Matz <matz@suse.de>
8336 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8337 influenced by maximum_field_alignment or DECL_PACKED.
8338 (update_alignment_for_field): Ditto.
8339 (place_field): Ditto.
8340 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8343 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8345 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8346 (debug_flow_info): Pass it.
8347 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8348 * bb-reorder.c (reorder_basic_blocks): Likewise.
8349 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8350 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8351 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8352 * gcse.c (gcse_main, bypass_jumps): Likewise.
8353 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8354 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8355 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8356 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8357 * rtl.h (dump_flow_info): Adjust prototype.
8358 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8359 * var-tracking.c (variable_tracking_main): Likewise.
8360 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8361 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8364 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8366 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8369 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8371 PR tree-optimization/26209
8372 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8373 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8375 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8377 2006-02-14 Roger Sayle <roger@eyesopen.com>
8380 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8381 (X,Y) and the corresponding symmetry related transformations.
8382 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8383 (X,Y) and its symmetry related transformations.
8385 2006-02-14 Roger Sayle <roger@eyesopen.com>
8387 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8390 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8392 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8394 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8397 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8398 support COMDAT group.
8399 * configure: Regenerate.
8401 2006-02-14 Roger Sayle <roger@eyesopen.com>
8406 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8408 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8410 Fix PR tree-optimization/26260
8412 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8414 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8415 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8416 * tree-ssa-structalias.c (create_variable_info_for): Use
8417 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8419 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8421 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8423 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8424 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8425 of the ending condition.
8426 * tree-ssa-loop-manip.c: Include params.h.
8427 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8428 tree_unroll_loop): New functions.
8429 * tree-pass.h (pass_loop_prefetch): Declare.
8430 * loop.c (rest_of_handle_loop_optimize): Test for
8431 -fprefetch-loop-arrays-rtl.
8432 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8433 * timevar.def (TV_TREE_PREFETCH): New timevar.
8434 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8435 pass_loop_prefetch): New.
8436 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8437 (cleanup_tree_cfg_loop): Call scev_reset.
8438 * common.opt (fprefetch-loop-arrays-rtl): Add.
8439 * tree-ssa-loop-prefetch.c: New file.
8440 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8441 (new_temp_expr_table): Initialize expr_vars.
8442 (free_temp_expr_table): Cleanup expr_vars.
8443 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8444 expressions from being merged into one.
8445 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8446 (struct tree_niter_desc): Add control, bound and cmp fields.
8447 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8449 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8450 (tree-cfgcleanup.o): Add SCEV_H dependency.
8451 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8452 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8454 2006-02-14 Richard Guenther <rguenther@suse.de>
8456 PR tree-optimization/26258
8457 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8458 in PHI argument processing.
8460 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8462 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8463 new expression in the requested machine mode.
8465 2006-02-13 Roger Sayle <roger@eyesopen.com>
8467 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8468 directly, instead let do_compare_rtx_and_jump handle this for us.
8469 * expr.c (expand_expr_real_1): Likewise.
8470 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8471 before do_jump_by_parts_greater.
8472 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8473 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8475 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8477 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8479 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8481 PR rtl-optimization/26235
8482 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8483 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8486 2006-02-13 Jeff Law <law@redhat.com>
8488 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8491 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8494 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8495 twice if decl is a builtin. When trying again, call get_callee_fndecl
8496 first to verify it is still a builtin.
8498 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8500 * dwarf2out.c (base_type_die): Don't add AT_name here.
8501 (subrange_type_die): Don't add AT_name here.
8502 (modified_type_die): Rearrange code flow. Do add AT_name here.
8504 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8506 PR rtl-optimization/26247
8507 PR rtl-optimization/26248
8508 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8510 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8512 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8513 * config/fixtfdi.c: Likewise.
8514 * config/fixunstfdi.c: Likewise.
8515 * config/floatditf.c: Likewise.
8517 2006-02-13 Roger Sayle <roger@eyesopen.com>
8520 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8521 into (X,C2) if C1 is a subset of the bits of C2. Transform
8522 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8524 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8526 2006-02-13 Josh Conner <jconner@apple.com>
8529 * varasm.c (function_section): Check for section name before
8530 calling select_section on targets that define
8531 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8532 unlikely_text_section instead of hot_function_section if
8533 first_function_block_is_cold.
8535 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8538 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8540 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8542 PR rtl-optimization/26222
8543 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8544 after tree->rtl expansion.
8545 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8546 before passing it to emit_move_insn.
8548 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8550 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8552 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8553 Clarify documentation.
8554 * c-common.h (warn_write_strings): Remove.
8555 * c-common.c (warn_write_strings): Likewise.
8556 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8559 2006-02-12 Roger Sayle <roger@eyesopen.com>
8562 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8563 (do_jump_parts_zero_rtx): New function renamed from
8564 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8565 (do_jump_parts_equality_rtx): New function split out from
8566 do_jump_parts_equality. Old implementation renamed as above.
8567 Call do_jump_parts_zero_rtx if either operand is zero.
8568 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8569 do all of the heavy lifting.
8570 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8571 calling either do_jump_by_parts_greater_rtx or
8572 do_jump_by_parts_equality_rtx.
8573 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8574 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8575 moved to do_compare_rtx_and_jump, call it directly.
8576 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8577 mode argument. Call do_compare_rtx_and_jump.
8578 (emit_case_nodes): Update calls to do_jump_if_equal.
8580 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8582 PR rtl-optimization/26225
8583 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8585 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8587 PR rtl-optimization/26232
8588 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8590 2006-02-11 Jason Merrill <jason@redhat.com>
8593 * tree-inline.c (declare_return_variable): Just don't use the
8594 modify target if it's a gimple complex reg and the return slot
8597 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8599 * doc/contrib.texi: Update my entry.
8601 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8603 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8605 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8607 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8610 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8612 * doc/invoke.texi (-floop-optimize2): Removed.
8613 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8614 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8615 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8616 * common.opt (floop-optimize2): Removed.
8617 (fmove-loop-invariants): Enabled by default.
8619 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8621 * tree-if-conv.c (combine_blocks): Free the result of
8622 get_loop_exit_edges.
8624 2006-02-10 Jeff Law <law@redhat.com>
8626 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8628 PR tree-optimization/26213
8629 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8630 loop trying to follow SSA_NAME_VALUE chains.
8632 2006-02-10 Richard Guenther <rguenther@suse.de>
8634 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8635 deal with structures that end in implicitly variable sized arrays.
8637 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8639 PR rtl-optimization/24762
8640 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8643 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8645 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8646 (struct ivopts_data): Add regs_used field.
8647 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8648 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8649 instead of loop_data->regs_used;
8650 (free_loop_data): Do not free aux fields for loops.
8651 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8652 and tree_ssa_iv_optimize_finalize.
8654 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8656 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8658 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8661 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8662 computing the effective result type.
8664 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8667 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8668 (tree_overlaps_hard_reg_set): Declare.
8669 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8670 type and signature to match function type expected by walk_tree.
8671 (tree_overlaps_hard_reg_set): New function.
8672 (decl_conflicts_with_clobbers_p): Rename to:
8673 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8674 Use tree_overlaps_hard_reg_set. Changed caller.
8675 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8676 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8677 * cris.c (cris_md_asm_clobbers): Likewise.
8679 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8681 * reload1.c (emit_input_reload_insns): Delete code that tries to
8682 inherit using find_equiv_reg.
8684 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8686 * c-common.h (flag_const_strings): Don't declare.
8687 * c-common.c (flag_const_strings): Remove.
8688 * c.opt (fconst_strings): Remove.
8689 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8690 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8691 (c_common_init_options): Don't set flag_const_strings.
8692 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8694 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8696 * arm.md (tlobits_cbranch): New pattern.
8697 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8698 testing a single bit.
8700 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8703 * tree-ssa-pre.c (create_component_ref_by_pieces):
8704 Handle RETURN_DECL like VAR_DECL.
8706 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8709 * fold-const.c (fold_indirect_ref_1): Fold
8710 "*(foo *)&complexfoo" to "__real__ complexfoo"
8711 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8713 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8715 * tree-flow-inline.h (var_can_have_subvars):
8716 Volatile variables should not have subvariables.
8718 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8721 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8722 multiplying unsigned values.
8725 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8727 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8729 2006-02-08 Jason Merrill <jason@redhat.com>
8732 * tree.def: Elaborate on difference from MODIFY_EXPR.
8733 * doc/c-tree.texi (INIT_EXPR): Likewise.
8734 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8735 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8736 (gimplify_target_expr): Likewise.
8737 (gimplify_cond_expr): Remove target handling.
8738 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8739 (gimplify_expr): Clobber it here.
8740 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8741 Do return slot optimization if we have an INIT_EXPR.
8744 * tree-inline.c (declare_return_variable): Also clear
8745 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8748 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8751 * gimplify.c (gimplify_one_sizepos): Fix typo.
8753 2006-02-08 Jeff Law <law@redhat.com>
8755 PR tree-optimization/21417
8756 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8757 across a backedge if the control statement at the end of the
8758 block is data dependent on other statements in the same block.
8759 (record_temporary_equivalences_from_stmts): Remove over-conservative
8760 test for threading across backedges.
8762 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8763 control statement, handle all three special cases in the same
8764 manner as they all have the same desired solution. No longer
8765 special case edge flag updating when the post dominator is
8768 2006-02-08 Roger Sayle <roger@eyesopen.com>
8770 * tree.def (CHAR_TYPE): Remove.
8771 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8772 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8773 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8774 (gen_string_type_die): Delete unreachable function.
8776 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8777 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8778 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8779 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8780 * builtins.c (type_to_class): Likewise.
8781 * fold-const.c (fold_convert, build_range_check,
8782 merge_ranges): Likewise.
8783 * expr.c (count_type_elements): Likewise.
8784 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8785 * stor-layout.c (layout_type): Likewise.
8786 * ipa-type-escape.c (type_to_consider): Likewise.
8787 * gimplify.c (omp_firstprivatize_type_sizes,
8788 gimplify_type_sizes): Likewise.
8789 * explow.c (promote_mode): Likewise.
8790 * tree-sra.c (is_sra_scalar_type): Likewise.
8791 * varasm.c (output_constant): Likewise.
8792 * tree-inline.c (remap_type_1): Likewise.
8793 * convert.c (convert_to_pointer, convert_to_real,
8794 convert_to_integer, convert_to_complex): Likewise.
8796 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8798 * df-scan.c (df_def_record_1): A set destination may
8799 be a parallel regardless of mode.
8801 2006-02-08 Roger Sayle <roger@eyesopen.com>
8804 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8805 * config/mips/_tilib.c: Remove.
8806 * config/fixtfdi.c: New libgcc source file.
8807 * config/fixunstfdi.c: New source file.
8808 * config/floatditf.c: New source file.
8809 * config/floatunditf.c: New souce file.
8810 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8811 files above instead of config/mips/_tilib.c.
8812 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8814 2006-02-08 Jeff Law <law@redhat.com>
8816 PR tree-optimization/26169
8817 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8820 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8822 * df.h (DF_REG_SIZE): Return the length of the initialized
8825 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8827 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8828 __muldf3): Return a correctly signed zero.
8830 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8832 * passes.c (register_one_dump_file): Accept the current properties
8833 instead of pass number. Adjust call to dump_register. Remove
8835 (register_dump_files): Now a wrapper around...
8836 (register_dump_files_1): ... this one. Do not modify the pass
8838 (next_pass_1): Cosmetic fix.
8839 (execute_todo): Keep second parameter only. Use curr_properties
8840 instead of fetching it from the pass structure. Check and set
8842 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8843 instead of fetching it from the pass structure. Fix calls to
8844 execute_todo. Update curr_properties and initialize .vcg RTL dump
8845 after running the pass. Reset last_verified.
8846 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8848 (FIRST_AUTO_NUMBERED_DUMP): New.
8849 (dump_register): Remove "num" parameter, assign it within the
8851 (get_dump_file_name): Modify template for dumps.
8852 * tree-dump.h (dump_register): Adjust prototype.
8853 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8854 (PROP_trees): Add PROP_gimple_lomp.
8855 (TODO_set_props): New.
8856 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8857 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8858 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8860 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8862 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8863 (sparc64-*-linux*): Likewise.
8864 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8865 * config/sparc/t-linux: New file.
8866 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8867 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8868 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8869 -m32 -mlong-double-128.
8871 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8872 * config/alpha/t-linux: New file.
8873 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8875 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8876 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8877 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8878 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8879 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8880 (CPP_ARCH32_SPEC): Remove.
8882 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8884 PR tree-optimization/26145
8885 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8888 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8891 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8892 >= 240000 when generating code for SOM runtime.
8893 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8894 to $$dyncall when generating code for SOM runtime..
8896 2006-02-07 Dirk Mueller <dmueller@suse.com>
8899 * doc/invoke.texi (-Wsequence-point): Update documentation
8900 that -Wsequence-point is implemented for C++ as well.
8902 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8904 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8905 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8906 (LIB_SPEC): Likewise.
8907 * doc/invoke.texi (SPARC options): Document -pthread.
8909 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8911 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8914 2006-02-07 Roger Sayle <roger@eyesopen.com>
8916 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8917 Correct comment describing BOOLEAN_TYPE.
8919 2006-02-07 Dirk Mueller <dmueller@suse.com>
8921 * c.opt: C++ frontend supports -Wdiv-by-zero.
8922 * c-opts.c (c_common_handle_option): Remove dead case.
8924 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8926 * configure.ac (TLS assembler check): Do not enable TLS by
8927 default on SPARC/Solaris before version 10.
8928 * configure: Regenerate.
8930 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8932 * doc/invoke.texi (xl-compat): Document conversion and support
8935 2006-02-07 Jeff Law <law@redhat.com>
8937 * tree-vrp.c (find_conditional_asserts): Update comments.
8938 (simplify_stmt_for_jump_threading): New.
8939 (identify_jump_threads, finalize_jump_threads): New.
8940 (vrp_finalize): Call identify_jump_threads.
8941 (execute_vrp): Call finalize_jump_threads.
8942 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8943 (vrp_element, vrp_data, vrp_element_p): Remove.
8944 (vrp_hash_elt, vrp_variables_stack): Remove.
8945 (vrp_hash, vrp_eq, record_range): Remove.
8946 (simplify_cond_and_lookup_avail_expr): Remove.
8947 (extract_range_from_cond): Remove.
8948 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8949 (simplify_stmt_for_jump_threading): New.
8950 (dom_thread_across_edge): New wrapper.
8951 (tree_ssa_dominator_optimize): No longer initialize or
8952 finalize any of the VRP datastructures. Remove iteration
8953 step and simplify as a result of removal of iteration step.
8954 (pass_dominator): Perform a cfg cleanup after DOM.
8955 (dom_opt_finalize_block): Use the new common routines
8956 for threading jumps. Simplify stack management slightly.
8957 No longer need to unwind VRP state.
8958 (record_equivalences_from_incoming_edge): No longer record
8960 (eliminate_redundant_computations): No longer call
8961 simplify_cond_and_lookup_avail_expr.
8962 * tree-flow.h (potentially_threadable_block): Prototype.
8963 (thread_across_edge): Likewise.
8964 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8965 (tree-ssa-threadedge.o): Add dependencies.
8966 * tree-ssa-threadedge.c: New file.
8967 * passes.c (init_optimization_passes): Merge PHIs before
8968 calling VRP. Run VRP again late in the SSA optimization pipeline.
8970 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8972 * df-core.c (df_set_blocks): Do not dereference function pointers.
8973 (df_finish1): Likewise.
8974 (df_hybrid_search_forward): Likewise.
8975 (df_hybrid_search_backward): Likewise.
8976 (df_iterative_dataflow): Likewise.
8977 (df_analyze_problem): Likewise.
8978 (df_compact_blocks): Likewise.
8979 (df_dump): Likewise.
8980 * df-scan.c (df_rescan_blocks): Likewise.
8981 (df_record_entry_block_defs): Likewise.
8983 * genconditions.c (write_conditions): Guard the definition of
8984 'insn_conditions' with the check on GCC version.
8985 (write_writer): Guard the traversal 'insn_conditions' with
8986 the check on GCC version.
8988 2006-02-07 Richard Guenther <rguenther@suse.de>
8992 2006-01-30 Richard Guenther <rguenther@suse.de>
8994 * gimplify.c (gimplify_target_expr): Handle easy cases
8995 without creating a temporary.
8997 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8999 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9000 use of float in probability computations. Use edge probabilities
9001 in place of statically computed probabilities.
9002 (min_spec_prob): New static variable.
9003 (schedule_insns): Initialize it.
9004 (GET_SRC_PROB): Removed.
9005 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9007 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9010 * config/ia64/unwind-ia64.c: Revert last change.
9011 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9012 (INCOMING_FRAME_SP_OFFSET): Define.
9014 2006-02-06 Roger Sayle <roger@eyesopen.com>
9016 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9018 2006-02-07 Ben Elliston <bje@au.ibm.com>
9020 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9021 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9022 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9023 (ix86_return_in_memory): Handle TDmode.
9024 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9025 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9027 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9029 * reorg.c (dbr_schedule): Use dump_file instead of file.
9031 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9034 * config/ia64/predicates.md (extr_len_operand): New predicate.
9035 * config/ia64/ia64.md (extv): Tighten constraints.
9037 (*tbit_and_2): Ditto.
9038 (*tbit_and_3): Ditto.
9039 (*tbit_or_2): Ditto.
9040 (*tbit_or_3): Ditto.
9044 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9047 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9049 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9051 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9052 loop_optimizer_init and loop_optimizer_finalize
9053 * tree-ssa-sink.c (execute_sink_code): Ditto.
9054 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9055 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9056 tree_ssa_loop_done): Ditto.
9057 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9058 * sched-ebb.c: Include output.h.
9059 (schedule_ebbs): Do not use dump argument.
9060 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9061 * loop.c (loop_dump_stream): Removed.
9062 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9064 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9065 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9066 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9067 loop_iterations, strength_reduce, record_biv, record_giv,
9068 final_giv_value, check_final_value, check_ext_dependent_givs,
9069 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9070 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9071 dump_file instead of loop_dump_stream.
9072 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9074 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9076 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9077 * haifa-sched.c: Include output.h
9078 (schedule_insns, sched_init): Do not use dump argument.
9079 * mode-switching.c (optimize_mode_switching): Ditto.
9080 * modulo-sched.c (stats_file): Removed.
9081 (print_node_sched_params): Do not call argument dump_file.
9082 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9083 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9085 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9087 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9088 rtl_loop_init, rtl_loop_done): Ditto.
9089 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9090 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9092 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9093 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9094 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9095 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9096 * emit-rtl.c (renumber_insns): Ditto.
9097 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9098 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9099 * regclass.c (regclass): Ditto.
9100 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9101 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9102 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9103 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9105 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9106 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9108 * gcse.c (gcse_file, debug_stderr): Removed.
9109 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9110 rest_of_handle_gcse): Do not use dump argument.
9111 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9112 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9113 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9114 compute_code_hoist_vbeinout, compute_code_hoist_data,
9115 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9116 compute_store_table, build_store_vectors, insert_insn_start_bb,
9117 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9118 store_motion): Use dump_file instead of gcse_file.
9119 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9120 * profile.c (profile_dump_file): Removed.
9121 (branch_prob): Use dump_file instead of profile_dump_file.
9122 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9124 * tree-ssa-copy.c (dump_copy_of): Ditto.
9125 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9126 dump file to life_analysis.
9127 * bt-load.c (branch_target_load_optimize): Ditto.
9128 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9130 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9131 regclass, dbr_schedule): Declaration changed.
9132 * sched-int.h (sched_init): Declaration changed.
9133 * tree-profile.c (tree_profile_dump_file): Removed.
9134 (tree_profile_hooks): Removed profile_dump_file hook.
9135 * rtl-profile (rtl_profile_dump_file): Removed.
9136 (rtl_profile_hooks): emoved profile_dump_file hook.
9137 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9139 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9140 * tree-cfg.c (build_tree_cfg): Ditto.
9141 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9142 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9143 Declaration changed.
9144 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9145 life_analysis and schedule_insns.
9146 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9148 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9150 * config/mips/mips.c (mips_reorg): Ditto.
9151 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9154 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9156 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9157 (s390_mangle_fundamental_type): New.
9158 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9161 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9162 (alpha_mangle_fundamental_type): New.
9163 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9166 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9168 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9170 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9171 (sparc_mangle_fundamental_type): New.
9173 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9175 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9176 (s390x-*-linux*): Likewise.
9177 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9178 * config/s390/t-linux: New file.
9180 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9182 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9183 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9185 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9187 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9188 (ANTIC_SAFE_LOADS): New macro.
9189 (find_or_generate_expression): Add prototype.
9190 (set_contains_value): Allow null set for sake of not always having
9191 to allocate ANTIC_SAFE_LOADS.
9192 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9193 Allow COMPONENT_REF too.
9194 (valid_in_set): Allow COMPONENT_REF.
9195 Check ANTIC_SAFE_LOADS too.
9196 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9197 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9199 (can_PRE_operation): Add COMPONENT_REF.
9200 (create_component_ref_by_pieces): New function.
9201 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9202 (insert_aux): Move AGGREGATE_TYPE_P check here.
9203 (compute_avail): Set bb local stmt uids.
9204 (pass_pre): Use TODO_update_ssa_only_virtuals.
9206 2006-02-06 Ben Elliston <bje@au.ibm.com>
9208 * configure.ac: Unconditionally disable decimal float by default.
9209 * configure: Regenerate.
9211 2006-02-06 Ben Elliston <bje@au.ibm.com>
9213 * read-rtl.c (read_name): Terminate reading on EOF.
9215 2006-02-06 Ben Elliston <bje@au.ibm.com>
9217 * dfp.c (decimal_real_arithmetic): Change second argument type
9218 from int to enum tree_code. Do not always return true, but now
9219 return result of any call to decimal_do helper functions.
9220 * dfp.h (decimal_real_arithmetic): Update prototype.
9222 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9224 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9226 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9229 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9232 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9234 * tree-vrp.c (cfg_loops): Removed.
9235 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9236 Use current_loops instead of cfg_loops. Pass flags to
9237 loop_optimizer_init.
9238 * cfgloopmanip.c (fix_loop_structure): Update only available
9240 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9241 loop_optimizer_init.
9242 * modulo-sched.c (build_loops_structure): Removed.
9243 (sms_schedule): Use loop_optimizer_init.
9244 * loop-init.c (loop_optimizer_init): Use flags to determine
9245 which properties of loops to prepare.
9246 (rtl_loop_init): Pass flags to loop_optimizer_init.
9247 * tree-ssa-sink.c (execute_sink_code): Ditto.
9248 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9249 * tree-ssa-pre.c (init_pre): Ditto.
9250 * cfgloop.h (LOOPS_NORMAL): New.
9251 (loop_optimizer_init): Declaration changed.
9253 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9255 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9256 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9258 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9260 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9262 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9263 * pa/t-pa64: Delete quadlib.c rule.
9264 * pa/x-ada: Revert last change.
9265 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9267 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9269 PR rtl-optimization/26087
9270 * rtlanal.c (canonicalize_condition): Do not cross basic block
9273 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9276 * config/ia64/ia64.c: Include debug.h.
9277 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9278 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9279 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9280 (process_epilogue, process_set, process_for_unwind_directive):
9281 Output unwind info only if requested. Add CFA info if requested.
9282 Add new arguments as needed. Adjust callers.
9283 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9285 (DWARF2_FRAME_INFO): Define to zero.
9286 * config/ia64/unwind-ia64.c: Remove code that compensated for
9287 the CFA offset error fixed above.
9288 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9289 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9290 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9291 -funwind-tables and -fexceptions to enable frame info.
9292 (dwarf2out_frame_init): Define initial CFA even if
9293 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9294 DWARF2_UNWIND_INFO is nonzero, not just defined.
9295 (dwarf2out_frame_finish): Output non-EH call frame info only
9296 if DWARF2_FRAME_INFO is nonzero.
9297 (convert_cfa_to_loc_list,
9298 compute_frame_pointer_to_cfa_displacement): Define even if
9299 unwind info is not supported.
9300 (gen_subprogram_die): Use the above unconditionally. Remove
9301 legacy alternate code.
9302 * toplev.c (compile_file): Compile in call to
9303 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9304 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9306 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9307 Jakub Jelinek <jakub@redhat.com>
9309 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9310 IBM extended float format long double as "g" on powerpc*-linux.
9312 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9315 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9316 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9318 2006-02-03 Jason Merrill <jason@redhat.com>
9321 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9324 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9325 on the return slot if it's an NRV.
9327 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9329 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9330 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9331 rewrite_use): Do not handle USE_OUTER.
9332 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9333 add_iv_outer_candidates, may_replace_final_value,
9334 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9335 (find_interesting_uses_op): Functionality of
9336 find_interesting_uses_outer_or_nonlin moved here.
9337 (find_interesting_uses_outside): Use find_interesting_uses_op.
9339 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9342 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9344 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9345 Ulrich Weigand <uweigand@de.ibm.com>
9348 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9349 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9350 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9351 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9353 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9354 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9355 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9356 Define secondary reloads for TFmode moves.
9357 (constant_modes): Add TFmode.
9358 (NR_C_MODES): Set to 8.
9359 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9361 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9362 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9363 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9364 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9365 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9366 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9367 (FPR mode macro): Add TFmode.
9368 (DSF mode macro): New.
9369 (<de>, <dee> mode attributes): Removed.
9370 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9371 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9372 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9373 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9374 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9375 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9376 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9377 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9378 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9379 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9380 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9381 "*negabs<mode>2", "sqrt<mode>2"):
9382 Changed <de> to <xde>. R constraint replaced by <Rf>.
9383 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9385 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9386 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9387 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9389 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9390 "extenddftf2", "extendsftf2"): New expanders.
9391 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9392 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9393 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9394 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9396 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9397 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9398 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9399 __floatditf): Add a GCC_4.1.0 symbol version tag.
9400 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9403 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9406 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9407 Use targetm.binds_local_p instead of TREE_PUBLIC.
9409 2006-02-02 Roger Sayle <roger@eyesopen.com>
9411 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9412 on INTEGER_TYPEs to indicate that it denotes a character type.
9413 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9414 signed_char_type_node, unsigned_char_type_node and char_type_node.
9415 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9416 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9417 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9419 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9420 Daniel Berlin <dberlin@dberlin.org>
9422 * tree-tailcall.c (arg_needs_copy_p): New function.
9423 (eliminate_tail_call): Use arg_needs_copy_p.
9424 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9425 (add_virtual_phis): New function.
9427 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9429 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9430 #ignore instead of #scratch for %g7 .register directive.
9432 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9434 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9437 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9439 * flow.c (calculate_global_regs_live): Assert that there aren't any
9442 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9444 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9446 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9447 bsi_after_labels iterator.
9448 * tree-if-conv.c (find_phi_replacement_condition,
9449 replace_phi_with_cond_modify_expr): Likewise.
9450 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9451 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9453 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9455 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9457 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9460 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9461 array after growing it.
9463 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9466 * fold-const.c (fold_checksum_tree): Change type of buf.
9468 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9470 * reload.c (push_secondary_reload): Initialize t_icode.
9472 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9474 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9475 -msoft-float -mlong-double-128 only issue a warning, but don't
9476 swich to DFmode long double.
9478 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9480 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9481 has a constant equivalent, iterate over equivalents for arg0,
9482 calling simplify_relational_operation and if there's a result
9483 cheaper than X, apply fold_rtx and return the result.
9485 2006-02-01 Jan Hubicka <jh@suse.cz>
9487 * opts.c (no_unit_at_a_time_default): New global variable.
9488 (decode_options): Use it.
9489 * opts.h (no_unit_at_a_time_default): Declare.
9491 2006-02-01 Paul Brook <paul@codesourcery.com>
9493 * function.c (assign_parm_setup_reg): Use function argument promotion
9495 * expr.c (expand_expr_real_1): Use function argument promotion rules
9498 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9500 * gcc.c (process_command): Change j to 'unsigned int'.
9502 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9505 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9506 Use the corrected index for the character
9507 out of the string constant.
9509 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9511 * mode-switching.c (optimize_mode_switching): Fix size
9512 allocated for bb_info[n_entities].
9514 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9516 * gcc.c (main): Correct type that is allocated for
9517 explicit_link_files.
9519 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9521 * config/s390/s390.c (init_alignment_context): Set
9522 ALIAS_SET_MEMORY_BARRIER on the MEM.
9523 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9525 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9528 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9530 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9533 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9535 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9536 * regrename.c: Ditto.
9537 * tree-ssa-loop-im.c: Ditto.
9538 * tree-dump.c: Ditto.
9539 * tree-complex.c: Ditto.
9540 * genrecog.c: Ditto.
9541 * tree-ssa-threadupdate.c: Ditto.
9543 * java/class.c: Ditto.
9544 * java/jcf-parse.c: Ditto.
9545 * java/resource.c: Ditto.
9546 * java/except.c: Ditto.
9547 * java/jvspec.c: Ditto.
9548 * java/jcf-write.c: Ditto.
9549 * java/jcf-path.c: Ditto.
9550 * java/gjavah.c: Ditto.
9551 * java/zextract.c: Ditto.
9552 * java/jcf-io.c: Ditto.
9553 * java/jcf.h: Ditto.
9554 * java/buffer.c: Ditto.
9555 * java/lang.c: Ditto.
9556 * java/parse-scan.y: Ditto.
9557 * java/lex.c: Ditto.
9558 * java/lex.h: Ditto.
9559 * cfgloopmanip.c: Ditto.
9560 * postreload-gcse.c: Ditto.
9561 * tree-ssa-loop-manip.c: Ditto.
9562 * postreload.c: Ditto.
9563 * tree-ssa-loop-ch.c: Ditto.
9567 * diagnostic.c: Ditto.
9569 * genoutput.c: Ditto.
9571 * cfghooks.c: Ditto.
9572 * cfgloopanal.c: Ditto.
9573 * objc/objc-act.c: Ditto.
9575 * genextract.c: Ditto.
9576 * genautomata.c: Ditto.
9577 * pretty-print.c: Ditto.
9579 * cgraphunit.c: Ditto.
9582 * haifa-sched.c: Ditto.
9583 * dominance.c: Ditto.
9585 * tree-ssa-loop-ivopts.c: Ditto.
9587 * mode-switching.c: Ditto.
9588 * modulo-sched.c: Ditto.
9590 * ipa-pure-const.c: Ditto.
9592 * fix-header.c: Ditto.
9594 * tree-stdarg.c: Ditto.
9595 * ipa-utils.c: Ditto.
9596 * loop-init.c: Ditto.
9597 * ipa-inline.c: Ditto.
9600 * alloc-pool.c: Ditto.
9601 * dwarf2out.c: Ditto.
9603 * genattrtab.c: Ditto.
9604 * tree-ssa-loop-ivcanon.c: Ditto.
9608 * fortran/gfortranspec.c: Ditto.
9610 * local-alloc.c: Ditto.
9611 * langhooks.c: Ditto.
9612 * function.c: Ditto.
9613 * tree-vectorizer.c: Ditto.
9615 * ipa-type-escape.c: Ditto.
9617 * tree-if-conv.c: Ditto.
9620 * tree-data-ref.c: Ditto.
9621 * loop-unroll.c: Ditto.
9622 * treelang/treetree.c: Ditto.
9625 * ggc-common.c: Ditto.
9627 * coverage.c: Ditto.
9629 * tree-cfgcleanup.c: Ditto.
9630 * tree-ssa-pre.c: Ditto.
9631 * cfgcleanup.c: Ditto.
9632 * loop-invariant.c: Ditto.
9634 * ipa-prop.c: Ditto.
9635 * print-tree.c: Ditto.
9636 * conflict.c: Ditto.
9637 * ggc-page.c: Ditto.
9638 * sched-deps.c: Ditto.
9639 * regclass.c: Ditto.
9640 * tree-object-size.c: Ditto.
9642 * bb-reorder.c: Ditto.
9643 * resource.c: Ditto.
9644 * var-tracking.c: Ditto.
9646 * df-problems.c: Ditto.
9647 * reg-stack.c: Ditto.
9650 * sched-rgn.c: Ditto.
9651 * tree-ssa-structalias.c: Ditto.
9652 * tree-ssa-reassoc.c: Ditto.
9653 * config/darwin-c.c: Ditto.
9654 * config/darwin.c: Ditto.
9655 * config/arm/arm.c: Ditto.
9657 * collect2.c: Ditto.
9660 2006-01-31 Nicolas Pitre <nico@cam.org>
9662 * arm.md (smaxsi3): Make aware of smax_m1.
9665 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9667 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9669 2006-01-31 Richard Guenther <rguenther@suse.de>
9671 * doc/invoke.texi (-msselibm): Document.
9672 * target.h (expand_library_builtin): New target hook.
9673 * builtins.c (expand_builtin): Use expand_library_builtin.
9674 (default_expand_library_builtin): New function.
9675 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9676 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9677 (link_gcc_math_spec): Declare.
9678 (static_specs): Add link_gcc_math_spec.
9679 * expr.h (default_expand_library_builtin): Declare.
9680 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9681 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9682 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9683 * config/i386/i386.opt (msselibm): New target option.
9684 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9685 (ix86_init_sse_abi_builtins): New function.
9686 (ix86_expand_library_builtin): Likewise.
9687 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9688 (override_options): Handle error conditions wrt -msselibm.
9689 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9690 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9691 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9694 2006-01-31 Richard Guenther <rguenther@suse.de>
9695 Paolo Bonzini <bonzini@gnu.org>
9697 * doc/install.texi (--disable-libgcc-math): Document.
9699 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9701 * expr.h (expand_normal): new inline function.
9702 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9704 * dwarf2out.c: use it.
9709 * config/sparc/sparc.c: use it.
9710 * config/i386/i386.c: use it.
9711 * config/rs6000/rs6000.c: use it.
9712 * config/arm/arm.c: use it.
9713 * config/mips/mips.c: use it.
9714 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9716 2006-01-30 Roger Sayle <roger@eyesopen.com>
9718 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9719 argv to the appropriate type.
9721 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9723 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9726 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9729 * config/s390/s390.c (struct machine_function): New flag
9730 decomposed_literal_pool_addresses_ok_p.
9731 (s390_reorg): Set it before final stage of literal pool transforms.
9732 (s390_decompose_address): Only accept displacements of the form
9733 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9735 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9737 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9738 the comparison routine return.
9740 2006-01-30 Michael Matz <matz@suse.de>
9742 * global.c (find_reg): Only evict for global regs.
9743 Take n_refs into account and dump more info.
9745 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9748 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9749 (pragma_trap, pragma_nosave_low_regs): Likewise.
9750 (current_function_anonymous_args): Likewise.
9751 (sh_deferred_function_attributes): New variable.
9752 (sh_deferred_function_attributes_tail): Likewise.
9753 (print_operand): For '@', look up trap_exit attribute.
9754 (calc_live_regs): Look up trapa_handler attribute. For trapa
9755 handlers, save/restore fpscr, but don't do any other
9756 interrupt-specific saves.
9757 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9758 Fix check for partially saved registers to check for SHmedia.
9759 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9760 (sh_output_function_epilogue): Don't clear any of the removed
9762 (sh_insert_attributes): Don't check pragma_interrupt.
9763 Insert deferred attributes. Check that interrupt attribute is
9764 present for other attributes that require its presence.
9765 (sh_attribute_table): Add new attributes trapa_handler and
9767 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9768 Don't check for pragma_interrupt. Don't store argument.
9769 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9770 (sh_deferred_function_attributes): Declare.
9771 (sh_deferred_function_attributes_tail): Likewise.
9772 * sh.md (sp_switch_1): Add operand. Change generator caller.
9773 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9774 (*return_i): Don't use when trap_exit attribute is in effect.
9775 (*return_trapa): New insn pattern.
9777 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9778 setting c_target_objs and cxx_target_objs.
9779 * t-sh: Add rule for sh-c.o.
9781 2006-01-30 Richard Guenther <rguenther@suse.de>
9784 * gimplify.c (gimplify_target_expr): Handle easy cases
9785 without creating a temporary.
9787 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9789 * vec.h (safe_grow): Remove duplicated line.
9791 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9794 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9795 (expand_omp): ... here.
9796 (expand_omp_parallel): Only remove barriers for combined
9797 parallel+workshare constructs.
9799 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9803 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9804 * tree.c (build_qualified_type): Chain the new type to the original
9805 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9806 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9807 (build_pointer_type_for_mode): Only return unqualified types.
9808 (build_reference_type_for_mode): Likewise.
9810 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9812 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9813 * Makefile.in (CXX_COMPAT_WARN): Define.
9814 * configure: Regenerate.
9816 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9819 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9822 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9824 * toplev.c: Fix thinko.
9826 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9827 Marcin Dalecki <martin@dalecki.de>
9829 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9830 (push_srcloc): Use XNEW.
9831 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9833 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9835 * df-core.c (df_set_blocks): Deleted all variable.
9837 2006-01-28 Ian Lance Taylor <ian@airs.com>
9839 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9840 cgraph_output_pending_asms.
9842 2006-01-28 Zack Weinberg <zackw@panix.com>
9844 * c.opt: Add -W(no-)overlength-strings.
9845 * doc/invoke.texi: Document it.
9846 * c-opts.c (c_common_handle_option): -pedantic implies
9847 -Woverlength-strings, if not explicitly disabled already.
9848 (c_common_post_options): -Woverlength-strings defaults to off, and
9849 is always off for C++.
9850 * c-common.c (fix_string_type): Issue warning about strings longer
9851 than is portable only if warn_overlength_strings. Rearrange code
9852 a little for clarity.
9853 * configure.in: Check for -Wno-overlength-strings as well before
9854 enabling -pedantic in stage 1.
9855 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9856 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9858 * genconditions.c (write_header, write_one_condition)
9859 (write_conditions, write_writer): Consolidate very long strings
9860 that were broken up to fit in C89 portable limit. Don't use
9861 printf when fputs will do.
9863 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9865 * combine.c (simplify_comparison <AND>): Check
9866 TRULY_NOOP_TRUNCATION before start using a subreg.
9868 * config/mips/mips.md (*branch_zero<mode>,
9869 *branch_zero<mode>_inverted, *branch_equality<mode>,
9870 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9871 Remove mode check from comparisons.
9873 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9875 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9877 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9879 * expmed.c (const_mult_add_overflow_p): Remove.
9880 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9882 * recog.c (validate_replace_rtx_subexp): Remove.
9883 * recog.h: Remove the prototype for
9884 validate_replace_rtx_subexp.
9886 * integrate.h: Remove the prototype for
9887 copy_decl_for_inlining.
9888 * rtl.h: Remove the prototype for mark_constant_function.
9889 * tree-vectorizer.h: Remove the prototype for
9890 vect_strip_conversion.
9892 * modulo-sched.c (create_partial_schedule,
9893 free_partial_schedule, reset_partial_schedule): Make them
9896 * hooks.c (hook_bool_rtx_int_false): Remove.
9897 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9899 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9901 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9902 and -mlong-double-128 are incompatible.
9903 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9904 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9905 (TARGET_LIBGCC2_CFLAGS): Define.
9906 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9907 (TARGET_LIBGCC2_CFLAGS): Same.
9908 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9910 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9913 * c-typeck.c (build_binary_op): Perform implicit casts of
9914 operands before shortening them.
9916 * cfgloopmanip.c (split_loop_bb): Remove.
9917 * cfgloop.h: Remove the prototype for split_loop_bb.
9919 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9920 * cfgloop.h: Remove the prototype for
9921 flow_loop_outside_edge_p.
9923 * emit-rtl.c (init_virtual_regs): Make it static.
9924 * function.h: Remove the prototype for init_virtual_regs.
9926 * recog.c (peephole2_optimize): Make it static.
9927 * recog.h: Remove the prototype for peephole2_optimize.
9929 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9931 * df-scan.c (df_record_entry_block_defs): Check if
9932 INCOMING_RETURN_ADDR_RTX is defined.
9934 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9935 Kenneth Zadeck <zadeck@naturalbridge.com>
9937 PR rtl-optimization/24762
9938 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9939 * targhooks.c (hook_void_bitmap): New hook prototype.
9940 * targhoohs.h (hook_void_bitmap): Ditto.
9941 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9942 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9943 * target.h (live_on_entry): New function pointer.
9944 * df-scan.c (df_all_hard_regs): Removed.
9945 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9946 (df_scan_free_internal): Added df->entry_block_defs.
9947 (df_scan_alloc): Ditto.
9948 (df_scan_dump): Ditto.
9949 (df_uses_record): Plumbed flag field properly thru calls.
9950 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9951 This part fixes PR24762.
9952 (df_bb_refs_record): Added code to make the frame and arg
9953 pointers live in EH blocks.
9954 (df_refs_record): Added call to df_record_entry_block_defs.
9955 (df_record_entry_block_defs): New function.
9956 * df-core.c: Added comments to describe new artifical defs.
9957 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9958 (entry_block_defs): New field in struct df.
9959 (df_all_hard_regs): Deleted.
9960 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9961 * df-problems.c (df_ru_bb_local_compute_process_def):
9962 Added code to handle artifical defs in the entry to a function.
9963 (df_ru_bb_local_compute): Ditto.
9964 (df_rd_bb_local_compute_process_def): Ditto.
9965 (df_rd_bb_local_compute): Ditto.
9966 (df_lr_bb_local_compute): Ditto.
9967 (df_ur_bb_local_compute): Ditto.
9968 (df_urec_bb_local_compute): Ditto.
9969 (df_chain_create_bb): Ditto.
9970 (df_ur_local_finalize): Removed entry.
9971 (df_urec_init): Ditto.
9972 (df_urec_local_finalize): Ditto.
9973 (df_ri_bb_compute): Added detection of last use of pseudos.
9974 * Makefile.in (df-scan.o): Updated dependencies.
9975 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9976 * config/mips/mips.c (mips_set_live_on_entry): Added.
9977 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9979 * dce.c (marked_insn_p): Added code to handle artifical defs.
9981 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9983 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9985 (_mm_cvtsi128_si64): Likewise.
9986 (_mm_cvtsd_si64): Likewise.
9987 (_mm_cvttsd_si64): Likewise.
9988 (_mm_cvtsi64_sd): Likewise.
9989 (_mm_cvtsi64_si128): Likewise.
9990 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9991 (_mm_cvtsi64_m64): Likewise.
9992 (_m_to_int64): Likewise.
9993 (_mm_cvtm64_si64): Likewise.
9994 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9995 (_mm_cvttss_si64): Likewise.
9996 (_mm_cvtsi64_ss): Likewise.
9997 (_mm_cvtss_f32): Likewise.
9999 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10001 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10002 for pragma redefine_extname.
10004 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10007 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10008 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10009 -mno-minimal-toc to previous content.
10010 (bispecs): Remove goal.
10011 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10012 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10013 compatibility aliases on powerpc-*-*gnu*.
10014 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10015 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10016 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10017 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10018 (ldblspecs): New goal.
10019 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10020 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10022 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10023 L_sf_to_tf or L_df_to_tf is defined.
10025 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10026 Alan Modra <amodra@bigpond.net.au>
10029 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10030 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10031 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10032 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10033 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10034 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10035 (rs6000_override_options): Initialize rs6000_ieeequad.
10036 Initialize TFmode format to ibm_extended_format if not
10038 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10040 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10041 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10042 (function_arg_advance): IBM long double passed in two FPRs, not
10044 (function_arg): IBM long double passed in FPRs.
10045 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10046 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10047 Only multireg GPR aligned.
10048 (rs6000_init_libfuncs): Enable IBM long double functions if not
10050 (rs6000_generate_compare): Use IBM long double compare if not
10052 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10053 (TARGET_IEEEQUAD): Define.
10054 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10055 not TARGET_IEEEQUAD.
10056 * config/rs6000/rs6000.md: Enable TFmode patterns if
10058 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10059 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10060 and -mlong-double-128 are incompatible.
10061 * doc/invoke.texi (-mabi): Collect options together. Add
10062 ibmlongdouble and ieeelongdouble.
10064 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10066 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10068 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10069 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10070 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10071 * rtl.h (rtunion_def): Remove rt_ptr.
10073 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10074 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10075 * config/i386/winnt.c (i386_pe_mark_dllexport)
10076 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10078 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10080 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10082 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10086 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10087 pthread_key_delete. From John David Anglin. gthrw-ify
10088 pthread_getunique_np only if it it's not a macro. Delete
10090 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10091 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10092 __gthread_objc_condition_signal, __gthread_key_delete): Add
10093 "__attribute__ ((__unused__))" to unused arguments.
10094 (__gthread_recursive_mutex_init_function): Add missing return.
10095 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10096 gthr-posix95.h: Use macro-based approach for name redirection
10097 on targets missing weakref.
10099 2006-01-26 Zack Weinberg <zackw@panix.com>
10101 * genconditions.c (write_header): In generated code, #ifdef out
10102 all includes and fake declarations, except includes of bconfig.h
10103 and system.h, unless GCC_VERSION >= 3001. Do not include
10104 gensupport.h in any case.
10105 (write_conditions): Generate a definition of struct c_test. Add
10106 a comment to the generated #endif.
10107 (write_one_condition): Escape backslashes in string too.
10108 (write_writer): Generated code must escape backslashes and quote
10109 marks (but not newlines) in the strings it writes.
10110 * Makefile.in (build/gencondmd.o): Update dependencies.
10112 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10115 * Makefile.in (insn-automata.o): Add header file dependencies.
10116 * genautomata.c: Add includes.
10118 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10121 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10123 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10125 * configure.ac: Expect target tools paths to be passed from the toplevel
10126 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10128 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10130 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10133 * c.opt (Wpointer-sign): Init to -1.
10134 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10135 OPT_pedantic, to 0 otherwise.
10136 * doc/invoke.texi: Update.
10138 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10140 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10141 constants provided by 80387 instructions in the destination mode.
10143 2006-01-26 Richard Guenther <rguenther@suse.de>
10144 Andrew Pinski <pinskia@physics.uc.edu>
10147 partial PR tree-opt/17064
10148 * tree-ssa-structalias.c (intra_create_variable_infos):
10149 Create heap variables for incoming parameters if
10150 flag_argument_noalias > 1.
10151 (find_what_p_points_to): Look through default defs of
10154 2006-01-26 Jeff Law <law@redhat.com>
10157 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10158 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10159 within the VR_RANGE, use the VR_RANGE as the result, not the
10161 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10162 bounds for the type.
10164 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10166 * tree-ssa-alias.c (maybe_create_global_var): Change
10167 subvar walking to an assertion that we don't have subvar'd variables.
10169 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10172 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10173 Use a new variable, inner. PARM_DECLs are always non-weak.
10175 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10177 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10178 --disable-checking.
10180 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10182 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10184 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10186 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10187 (smax_insn, smin_insn, smax_0, smin_0): New.
10189 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10192 * config/cris/cris.c (cris_order_for_addsi3): New function.
10193 * config/cris/cris-protos.h: Prototype it.
10194 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10195 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10196 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10197 (split for "op.S1 [rx=rx+i],ry (swapped)")
10198 (split for "op(s|u).S1 [rx=rx+i],ry")
10199 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10200 Apply cris_order_for_addsi3 when generating addsi3 insns.
10202 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10204 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10205 (TREE_BLOCK): Add call to EXPR_CHECK.
10207 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10210 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10211 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10212 (dump_omp_clauses): ... here.
10213 (dump_generic_node): Handle OMP_CLAUSE.
10214 * tree.c (omp_clause_num_ops): New.
10215 (omp_clause_code_name): New.
10216 (tree_code_size): Handle OMP_CLAUSE.
10217 (tree_size): Likewise.
10218 (make_node): Document handling of OMP_CLAUSE.
10219 (tree_node_structure): Handle OMP_CLAUSE.
10220 (omp_clause_check_failed): New.
10221 (omp_clause_range_check_failed): New.
10222 (omp_clause_operand_check_failed): New.
10223 (build_omp_clause): New.
10224 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10225 * tree.h (enum omp_clause_code): Declare.
10226 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10227 (OMP_CLAUSE_RANGE_CHECK): Define.
10228 (OMP_CLAUSE_ELT_CHECK): Define.
10229 (omp_clause_check_failed): Declare.
10230 (omp_clause_operand_check_failed): Declare.
10231 (omp_clause_range_check_failed): Declare.
10232 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10233 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10234 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10235 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10236 (OMP_CLAUSE_IF_EXPR): Likewise.
10237 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10238 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10239 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10240 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10241 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10242 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10243 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10244 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10245 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10246 (OMP_CLAUSE_CODE): Define.
10247 (OMP_CLAUSE_SET_CODE): Define.
10248 (OMP_CLAUSE_CODE): Define.
10249 (OMP_CLAUSE_OPERAND): Define.
10250 (struct tree_omp_clause): Declare.
10251 (union tree_node): Add field 'omp_clause'.
10252 * treestruct.def (TS_OMP_CLAUSE): Define.
10253 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10254 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10255 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10256 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10257 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10258 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10259 (OMP_CLAUSE): Define.
10260 * print-tree.c (print_node): Handle OMP_CLAUSE.
10261 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10262 * c-typeck.c: Likewise.
10263 * gimplify.c: Likewise.
10264 * c-omp.c: Likewise.
10265 * tree-nested.c: Likewise.
10266 * tree-inline.c: Likewise.
10267 * c-parser.c: Likewise.
10268 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10271 2006-01-25 Roger Sayle <roger@eyesopen.com>
10273 PR rtl-optimization/25703
10274 * combine.c (try_combine): Handle zero_extract and strict_low_part
10275 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10277 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10279 * global.c: Fix comment typos.
10281 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10284 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10285 Use output_addr_const instead of assemble_name.
10287 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10289 * Makefile.in (sched-vis.o): Update dependencies.
10290 * haifa-sched.c (sched_finish): Clear current_sched_info.
10291 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10292 (dump_flow_info): Call it.
10293 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10295 * basic-block.h (dump_bb_info): Declare.
10296 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10297 option, and apply options only for dump files whose TDF_RTL,
10298 TDF_TREE, or TDF_IPA bits match.
10299 * rtl.h: Declare new functions exported from sched-vis.c.
10300 * sched-vis.c: Enable also if scheduling is not used.
10301 (print_value): Print the mode of registers if not inside scheduling.
10302 (print_insn): Make it work outside the scheduler. Beautify the output
10304 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10306 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10308 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10309 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10310 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10311 depending on the value of CONSTANT_POOL_ADDRESS_P.
10312 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10314 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10315 rather than SYMBOL_REF_DECL.
10316 (rtx_constant_pool): Remove const_rtx_sym_htab.
10317 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10318 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10319 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10320 Remove handling of const_rtx_sym_htab.
10321 (find_pool_constant): Delete.
10322 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10323 rather than find_pool_constant.
10324 (get_pool_constant_for_function): Delete.
10325 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10326 find_pool_constant.
10327 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10328 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10329 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10330 (SYMBOL_REF_CONSTANT): New macro.
10331 (get_pool_constant_for_function): Delete.
10332 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10333 rather than SYMBOL_REF_DECL.
10334 (i386_pe_mark_dllimport): Likewise.
10335 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10336 rather than SYMBOL_REF_DECL.
10337 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10338 (machopic_indirect_call_target): Likewise.
10340 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10342 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10344 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10346 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10348 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10350 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10352 2006-01-24 David Daney <ddaney@avtrex.com>
10355 * configure.ac (enable_tls): New enable option.
10356 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10357 * configure: Regenerate.
10358 * doc/install.texi (--enable-tls): Document new option.
10359 (--disable-tls): Ditto.
10361 2006-01-24 Richard Henderson <rth@redehat.com>
10363 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10364 * alias.c (true_dependence): Respect it.
10365 (canon_true_dependence, write_dependence_p): Likewise.
10366 * builtins.c (get_builtin_sync_mem): Set it.
10368 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10370 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10373 2006-01-24 DJ Delorie <dj@redhat.com>
10375 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10376 for storing constants in single-bit bitfields.
10378 2006-01-25 Ben Elliston <bje@au.ibm.com>
10380 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10382 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10385 * tree-ssa-pre.c (phi_translate): Return NULL
10386 for AGGREGATE_TYPE's.
10388 2006-01-24 Zack Weinberg <zackw@panix.com>
10390 * genautomata.c (process_state_for_insn_equiv_partition):
10391 Use xcalloc for insn_arcs_array.
10392 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10393 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10395 2006-01-24 Richard Henderson <rth@redhat.com>
10397 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10398 update all callers.
10400 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10402 PR rtl-optimization/25890
10403 PR rtl-optimization/25905
10404 * combine.c (expand_compound_operation, expand_field_assignment):
10405 Fail if the bitfield's final position is out of bounds.
10407 2006-01-24 Ian Lance Taylor <ian@airs.com>
10409 PR middle-end/25930
10410 * cgraphunit.c (cgraph_output_in_order): Don't clear
10411 cgraph_asm_nodes until after asm strings have been output.
10413 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10415 * fix-header.c (read_scan_file): Add new parameter imultilib when
10416 calling register_include_chains.
10418 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10420 * omp-low.c: Update documentation.
10422 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10423 Daniel Berlin <dberlin@dberlin.org>
10427 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10428 return from the function.
10430 2006-01-22 Zack Weinberg <zackw@panix.com>
10432 * rtl.def (match_code): Add second argument.
10433 * genpreds.c (write_extract_subexp): New function.
10434 (write_match_code): Add path argument. Use write_extract_subexp.
10435 (write_predicate_expr): Pass path to write_match_code.
10436 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10437 not perform a mode test.
10438 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10439 a subexpression does not constrain the top-level code set.
10440 * read-rtl.c (read_rtx_variadic): New function.
10441 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10442 * doc/md.texi: Document new notation.
10443 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10444 (cmpsi_operand): ... here, using new notation.
10446 2006-01-22 Zack Weinberg <zackw@panix.com>
10448 * varray.c: Remove GENERATOR_FILE #ifdefs.
10450 2006-01-22 Zack Weinberg <zackw@panix.com>
10452 * genautomata.c (output_reserved_units_table): Emit nothing if
10453 description->query_units_num is zero. Remove extra blank line.
10454 (output_cpu_unit_reservation_p): Short circuit
10455 if description->query_units_num is zero.
10457 2006-01-22 Zack Weinberg <zackw@panix.com>
10459 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10460 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10461 nor any of the random handful of variables that used to be necessary
10462 when this program was linked with rtlanal.o. Prune set of forward
10463 function declarations.
10464 (struct attr_desc): Remove static_p field.
10465 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10466 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10467 (attr_string): Do not read the character one past the length of
10469 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10470 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10471 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10472 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10473 (make_automaton_attrs): New.
10474 (main): Do not call into genautomata. Call local gen_bypass
10475 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10476 Remove special case for insn_alts.
10477 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10478 varray.h (leftover from previous change). Prune set of forward
10479 function declarations. Remove state_alts fields from all
10480 structures. Remove state_alts_table from struct automaton.
10481 Make everything except main static. Do not maintain num_dfa_decls.
10482 Do not maintain state_alts fields of various structures.
10483 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10484 (add_arc): Remove state_alts argument. All callers updated.
10485 (output_reserved_units_table): Emit #ifdef here...
10486 (output_tables): ...not here. Don't generate state_alts tables.
10487 (expand_automata): Don't generate attributes.
10488 (write_automata): Don't generate state_alts functions.
10489 (main): New function.
10490 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10491 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10492 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10493 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10494 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10495 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10496 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10497 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10499 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10500 * genattrtab.h: Delete file.
10501 * Makefile.in (OBJS-common): Add insn-automata.o.
10502 (insn-automata.o): New rule.
10503 (simple_generated_c): Add insn-automata.c.
10504 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10505 (genprogmd): Add automata.
10506 (build/genattrtab): Needs no extra objects nor libraries.
10507 (build/genautomata): Needs build/vec.o and -lm.
10509 2006-01-22 Zack Weinberg <zackw@panix.com>
10511 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10512 (output_dfa_max_issue_rate, locked_states_num): Delete.
10513 (struct automaton): Add locked_states field.
10514 (output_dead_lock_vect): Save number of locked states in
10515 automaton->locked_states. If it is zero, don't print anything.
10516 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10517 (output_internal_dead_lock_func): Only test the dead_lock_vect
10518 for automata that have locked states.
10519 (output_statistics): Always print the number of locked states for
10520 each automaton. Calculate total number of locked states here.
10521 (write_automata): Don't call output_dfa_max_issue_rate.
10522 * genattrtab.c: Define length_unit_log as a const variable.
10523 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10524 max_insn_queue_index const.
10525 * final.c (length_unit_log): Declare const.
10526 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10528 2006-01-22 Zack Weinberg <zackw@panix.com>
10530 * genautomata.c: Include vec.h, not varray.h.
10531 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10532 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10533 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10534 VEC_* macros operating on appropriately typed vectors, or to
10535 malloced arrays when the size is known in advance. Const-ify
10536 many char* variables and function arguments. No functional changes.
10537 * Makefile.in (build/varray.o): Delete rule.
10538 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10539 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10541 2006-01-22 Zack Weinberg <zackw@panix.com>
10543 * gensupport.c: Define get_insn_name and record_insn_name here.
10544 (read_md_rtx): Call record_insn_name as appropriate.
10545 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10546 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10547 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10549 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10550 (BUILD_VARRAY): Delete.
10551 (genprognormal): Rename genprogmd. Fold in all programs from
10552 genprognoprint; also attrtab.
10553 (build/genattrtab): Just mention genautomata.o and varray.o.
10554 Reorganize a bit, add comments to make the categories clearer.
10556 2006-01-22 Zack Weinberg <zackw@panix.com>
10558 * genconditions.c (condition_table, add_condition): Delete.
10559 (write_conditions): Don't emit n_insn_conditions nor
10560 insn_elision_unavailable. Issue the gcc version #ifdef here,
10561 inside the table, with no #else clause ...
10562 (write_header): ...not here.
10563 (write_writer): New function.
10564 (main): Don't initialize condition_table. Use add_c_test.
10566 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10567 files on the command line.
10568 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10569 Return -1 if there is no entry in the table, don't abort.
10570 (add_c_test, traverse_c_tests): New functions.
10571 * gensupport.h (insn_elision_unavailable, insn_conditions)
10572 (n_insn_conditions): Delete declarations.
10573 (add_c_test, traverse_c_tests): Declare.
10574 * read-rtl.c: Include gensupport.h.
10575 (read_conditions): New function.
10576 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10577 (read_rtx_1): If we get EOF when we were looking for an initial
10578 open paren, return 0. Call read_conditions when appropriate.
10579 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10580 dummy-conditions.o. Eliminate references to insn-conditions.o,
10581 or change them to build/gencondmd.o, as appropriate. Remove
10582 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10583 from $(simple_generated_c). For all files remaining in those
10584 two lists, add insn-conditions.md to the generator command line.
10585 Give insn-constants.h/s-constants their own rules. Add rules
10586 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10587 (build/read-rtl.o): Depend on gensupport.h.
10588 (genprognormal): Include preds.
10589 (genprogearly): Rename genprognoprint; only difference is now that
10590 they don't link with $(BUILD_PRINT).
10591 * dummy-conditions.c: Delete.
10593 2006-01-22 Zack Weinberg <zackw@panix.com>
10595 * genextract.c: Don't include insn-config.h. Do include vec.h.
10596 Declare vectors of int, char, and locstr.
10597 (locstr): New typedef.
10598 (struct extraction): Make all array fields into bare pointers.
10599 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10600 (insn_code_number): Delete.
10601 (accum_extract): New struct.
10602 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10603 (gen_insn): Take insn_code_number as an argument. Use an
10604 accum_extract structure instead of loading data directly into
10605 a struct extraction, and having to know how big it might get.
10606 (walk_rtx): Operate entirely on an accum_extract structure.
10607 (print_path): Avoid unnecessary use of printf.
10608 (print_header): New function, split out of main. Distinguish
10609 more carefully between an unrecognizable insn and an insn that
10610 has the code number of a define_expand.
10611 (main): Pass insn_code_number to gen_insn. Call print_header
10612 only after parsing. Avoid unnecessary use of printf.
10613 * Makefile.in (build/vec.o): New rule.
10614 (build/genextract): Depend on build/vec.o.
10615 (build/genextract.o): Don't depend on insn-config.h.
10617 2006-01-22 Zack Weinberg <zackw@panix.com>
10619 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10620 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10621 practical. Eliminate per-generator-program link rules.
10623 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10625 PR middle-end/24437
10626 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10627 with a call expr to ...
10628 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10630 2006-01-23 Richard Guenther <rguenther@suse.de>
10632 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10633 before make_edge with conditional EDGE_TRUE_VALUE.
10635 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10636 Jan Hubicka <jh@suse.cz>
10637 Richard Guenther <rguenther@suse.de>
10639 PR rtl-optimization/25654
10640 * cfgexpand.c (aggregate_contains_union_type): New function.
10641 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10642 for structure variables that contain a union type.
10644 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10646 * gengtype.c (new_structure): Return the structure.
10647 (create_option): Add an extra "next" argument.
10648 (create_field): New function.
10649 (adjust_field_rtx_def): Use create_option and create_field.
10650 Remove a now-unnecessary call to find_structure.
10651 (adjust_field_tree_def): Likewise.
10652 (note_yacc_type): Remove an unnecessary call to find_structure.
10653 * gengtype.h (new_structure): Return the structure.
10654 (create_option): Add an extra argument.
10655 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10656 (option): Adjust calls to create_option.
10658 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10660 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10662 2006-01-22 Paul Brook <paul@codesourcery.com>
10663 Peter Barada <peter@the-baradas.com>
10665 * config/m68k/m68k.md: Add Coldfire FPU support.
10666 Define FP mode macro and associated attributes.
10667 Use it for float mode patterns.
10668 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10669 (LIBCALL_VALUE): Use m68k_libcall_value.
10670 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10671 (m68k_function_value): Ditto.
10672 (emit_move_sequence): Ditto.
10673 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10674 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10675 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10676 (MULTILIB_EXCEPTIONS): Ditto.
10677 * config/m68k/m68k.opt: Add mcfv4e.
10678 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10679 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10680 (m68k_output_function_prologue): Save ColdFire FPU registers.
10681 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10682 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10683 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10684 ColdFire FPU registers.
10685 (m68k_libcall_value, m68k_function_value): New functions.
10686 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10687 (LIBCALL_VALUE): Use m68k_libcall_value.
10688 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10689 (MASK_COLDFIRE): Add MASK_CFV4E.
10690 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10691 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10692 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10693 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10694 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10695 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10696 * doc/invoke.tex: Document -mcfv4e on m68k.
10698 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10700 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10703 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10706 * c-opts.c (c_common_handle_option): Don't include
10707 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10708 * doc/invoke.texi (C++ Dialect Options): Document that
10709 -Wnon-virtual-dtor is no longer included in -Wall.
10711 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10713 * gcov.c (print_version), gcov-dump.c (print_version),
10714 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10717 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10719 * df-scan.c (problem_SCAN): Added NULL reset function.
10720 (df_scan_reset_blocks): Added code to call reset block function
10721 (df_bb_refs_delete) Fixed comment.
10722 (df_insn_refs_delete): Made tolerant of deleting non existent info
10723 for dataflow problems that need to be reset.
10724 * df-core.c (df_set_blocks): Ditto.
10725 * df.h (struct df_problem): Added reset_fun.
10726 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10727 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10728 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10729 functions to clear out all references to def-use or use-def chains.
10731 2006-01-21 Ben Elliston <bje@au.ibm.com>
10733 * varasm.c (assemble_real): Initialise data array.
10735 2006-01-20 Paul Brook <paul@codesourcery.com>
10737 Merge from csl-arm-branch.
10738 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10739 * config/arm/arm.md (movdi): Force operands[1] to a register
10740 if we have a non-register source.
10741 (*arm_movdi, *movdf_soft_insn): Require that one of the
10742 operands be a register.
10743 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10744 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10746 2006-01-20 DJ Delorie <dj@redhat.com>
10748 * varasm.c (initializer_constant_valid_p): Allow pointers
10749 initialized from integer constants of lesser precision.
10750 (output_constant): Allow non-int-sized pointer modes to be
10751 initialized from integer constants.
10753 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10756 * cppdefault.h (struct default_include): Add multilib flag.
10757 * cppdefault.c (cpp_include_defaults): Set it.
10758 * c.opt (-imultilib): New option.
10759 * c-opts.c (imultilib): New.
10760 (c_common_handle_option): Handle -imultilib.
10761 (c_common_post_options): Likewise.
10762 * c-incpath.c (add_standard_paths, register_include_chains):
10764 * c-incpath.h (register_include_chains): Add extra parameter.
10765 * gcc.c (do_spec_1): Generate -imultilib option.
10766 (The Specs Language): Update %I description.
10767 (process_command): Update copyright notice.
10768 * doc/cppopts.texi (-imultilib): Document.
10769 * doc/invoke.texi (-imultilib): Include in option summary.
10770 (%I): Update specs documentation.
10772 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10774 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10776 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10778 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10781 2006-01-20 Richard Guenther <rguenther@suse.de>
10782 Steven Bosscher <stevenb.gcc@gmail.com>
10784 PR rtl-optimization/24626
10785 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10786 EDGE_TRUE_VALUE if in RTL mode.
10789 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10790 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10792 2006-01-20 Dirk Mueller <dmueller@suse.com>
10795 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10796 instead of a special NOP marker.
10797 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10798 NOP marker handling.
10799 * c-common.h (empty_body_warning): Add forward declaration.
10800 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10801 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10803 2006-01-20 Paul Brook <paul@codesourcery.com>
10805 * Makefile.in (lang_checks): Keep going if mkdir fails.
10807 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10809 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10810 be able to clean out basic block when not necessary.
10811 (df_scan_free): Fixed to properly delete information if df is
10812 unused before calling df_finish.
10813 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10814 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10816 (df_bb_refs_delete): New function.
10817 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10818 * df-core.c (df_set_blocks): Added code to properly clean out
10819 unused blocks if they are not part of the blocks to consider.
10820 Added additional null check.
10821 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10822 be able to clean out basic block when not necessary
10823 * df.h (df_free_bb_function): Ditto.
10824 (df_bb_refs_delete): New function.
10825 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10826 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10827 basic block parameter to be able to clean out basic block when not
10829 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10830 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10831 Fixed to properly delete information if df is unused before
10834 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10836 PR rtl-optimization/25799
10837 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10838 Corrected confluence operator to remove bits from op2 before oring
10839 with op1 rather than removing bits from op1.
10840 (df_ru_transfer_function): Corrected test on wrong bitmap which
10841 caused infinite loop. Both of these problems were introduced in
10842 the dataflow rewrite.
10844 2006-01-19 DJ Delorie <dj@redhat.com>
10846 * reload1.c (find_reload_regs): Note the details of reload
10847 failures in the dump file.
10848 (spill_failure): Likewise.
10850 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10852 * loop-iv.c: Include df.h and hashtab.h.
10853 (enum iv_grd_result): New enum.
10854 (DF_REF_IV, DF_REF_IV_SET): New macros.
10855 (struct biv_entry): New.
10856 (df, bivs): New global variables.
10857 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10858 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10860 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10861 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10862 analyzed_for_bivness_p, record_biv): New functions.
10863 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10864 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10865 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10867 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10869 (iv_number_of_iterations): Use new interface to iv analysis.
10870 * loop-unroll.c: Do not include varray.h.
10871 (analyze_iv_to_split_insn): Use new interface to iv
10873 * loop-unswitch.c (may_unswitch_on): Ditto.
10874 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10876 (df_bb_modify): Realloc tables to the new index.
10877 (df_find_use): New function.
10878 * df.h (df_find_use): Declare.
10879 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10881 * cfgloop.h (struct rtx_iv): Remove analysed field.
10882 (iv_get_reaching_def): Removed.
10883 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10884 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10885 (loop-iv.o): Add df.h and hashtab.h dependency.
10886 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10888 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10891 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10893 (__floatundisf, __floatundidf): Likewise.
10894 * libgcc2.h (IS_IBM_EXTENDED): Define.
10896 2006-01-19 DJ Delorie <dj@redhat.com>
10898 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10900 2006-01-19 Paul Brook <paul@codesourcery.com>
10902 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10903 as nothrow when unwinding tables are disabled.
10905 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10908 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10909 of bit-field" when in system header.
10911 2006-01-19 DJ Delorie <dj@redhat.com>
10913 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10914 the 16 bit shift limit of the m16c.
10916 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10919 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10920 * config/i386/i386.c (output_set_got): Output the label if we have one
10921 for the TARGET_DEEP_BRANCH_PREDICTION case.
10923 2006-01-19 Jan Hubicka <jh@suse.cz>
10924 H.J. Lu <hongjiu.lu@intel.com>
10925 Evandro Menezes <evandro.menezes@amd.com>
10927 * invoke.texi (generic): Document
10929 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10930 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10931 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10932 (x86_use_incdec, x86_pad_returns): New variables
10933 (TARGET_CPU_DEFAULT_generic): New constant
10934 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10935 (enum processor_type): Add generic32 and generic64.
10936 * i386.md (cpu attribute): Add generic32/generic64
10937 (movhi splitter): Behave sanely when both partial_reg_dependency and
10938 partial_reg_stall are set.
10939 (K8 splitters): Enable for generic as well.
10940 * predicates.md (incdec_operand): Use TARGET_INCDEC
10941 (aligned_operand): Avoid memory mismatch stalls.
10942 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10943 * ppro.md: Enable for generic32
10944 * i386.c (generic64_cost, generic32_cost): New.
10945 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10946 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10947 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10948 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10949 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10950 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10951 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10952 x86_accumulate_outgoing_args, x86_prologue_using_move,
10953 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10954 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10955 Enable for generic.
10956 (x86_use_incdec, x86_pad_returns): New.
10957 (override_options): Add generic32 and generic64, translate "generic"
10958 to generic32/generic64 and "i686" to "generic32", refuse
10959 "generic32"/"generic64" as arch target.
10960 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10961 (ix86_reorg): Honor PAD_RETURNS.
10963 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10965 * tree-pretty-print.c (dump_generic_node): Handle
10966 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10967 * cgraph.c (cgraph_expand_queue): Rename from
10968 cgraph_analyze_queue. Update all users.
10969 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10970 cgraph_expand_queue.
10971 (cgraph_expand_all_functions): Likewise.
10972 (cgraph_finalize_pending_functions): Remove. Update callers.
10974 * tree.h (OMP_DIRECTIVE_P): Define.
10975 (OMP_PARALLEL_FN): Define.
10976 (OMP_PARALLEL_DATA_ARG): Define.
10977 (OMP_SECTIONS_SECTIONS): Define.
10978 * tree-pass.h (pass_expand_omp): Declare.
10979 * omp-low.c (struct omp_region): Declare.
10980 (struct omp_context): Remove fields 'parallel_type',
10981 'parallel_start_ix' and 'parallel_start_additional_args'.
10983 (struct omp_for_data): Rename from struct expand_omp_for_data.
10984 (omp_regions): New static variable.
10985 (root_omp_region): New static variable.
10986 (find_omp_clause): Make static.
10987 (is_in_combined_parallel_ctx): Remove.
10988 (is_combined_parallel): New.
10989 (extract_omp_for_data): Move earlier in the file.
10990 (workshare_safe_to_combine_p): New.
10991 (get_ws_args_for): New.
10992 (determine_parallel_type): Move earlier in the file.
10993 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10995 (omp_copy_decl): Likewise.
10996 (create_omp_child_function): Likewise.
10997 (lookup_omp_region): New.
10998 (dump_omp_region): New.
10999 (debug_omp_region): New.
11000 (debug_all_omp_regions): New.
11001 (new_omp_region): New.
11002 (scan_omp_parallel): If parallel_nesting_level > 1, the
11003 directive is nested within another parallel directive.
11004 Set OMP_PARALLEL_FN.
11005 (scan_omp_for): Do not try to handle combined parallel+for
11007 Remove FIXME comment.
11008 (scan_omp_nested): Remove.
11009 (scan_omp_1): Do not call scan_omp_nested when
11010 parallel_nesting_level is > 1.
11011 Do not change the DECL_CONTEXT of local variables found.
11012 (lookup_decl_in_outer_ctx): New.
11013 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11014 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11015 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11016 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11017 If CTX is nested, lookup VAR in the outer context when
11018 building copy assignment.
11019 (lower_send_clauses): Rename from expand_send_clauses.
11020 If CTX is nested, lookup VAR in the outer context when
11021 building copy assignments.
11022 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11023 If CTX is nested, lookup VAR in the outer context when
11024 building copy assignments.
11025 (expand_parallel_call): Rename from build_parallel_call.
11026 Handle combined parallel+workshare cases.
11027 Re-implement to emit code into the CFG.
11029 (expand_omp_parallel): Re-implement to emit code into the CFG.
11030 Call move_sese_region_to_fn to outline the sub-graph
11031 containing the parallel region.
11032 (expand_omp_for_1): Remove.
11033 (expand_omp_for_generic): Re-implement to emit code into the
11035 (expand_omp_for_static_nochunk): Likewise.
11036 (expand_omp_for_static_chunk): Likewise.
11037 (expand_omp_for): Likewise.
11038 (expand_omp_sections): Likewise.
11039 (remove_exit_barriers): New.
11040 (expand_omp_synch): New.
11042 (build_omp_regions_1): New.
11043 (build_omp_regions): New.
11044 (execute_expand_omp): New.
11045 (gate_expand_omp): New.
11046 (pass_expand_omp): Define.
11047 (lower_omp_sections): Rename from expand_omp_sections.
11048 Set OMP_SECTIONS_SECTIONS.
11049 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11050 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11051 (lower_omp_single): Rename from expand_omp_simple.
11052 (lower_omp_master): Rename from expand_omp_master.
11053 (lower_omp_ordered): Rename from expand_omp_ordered.
11054 (lower_omp_critical): Rename from expand_omp_critical.
11055 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11056 (lower_omp_for): Re-implement.
11057 (lower_omp_parallel): Re-implement.
11058 (lower_regimplify): Rename from expand_regimplify.
11059 (lower_omp_1): Rename from expand_omp_1.
11060 If there are syntax errors in the program, replace every
11061 OpenMP directive with NOP.
11062 Call lower_omp_* instead of expand_omp_*.
11063 (lower_omp): Rename from expand_omp.
11065 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11066 * tree-gimple.h (enum omp_parallel_type): Remove.
11067 (gimple_boolify): Declare extern.
11068 (find_omp_clause, determine_parallel_type): Remove.
11070 * gimple-low.c (lower_omp_directive): New.
11071 (lower_stmt): Call it.
11072 (record_vars_into): Move from ...
11073 (record_vars): ... here.
11074 Call record_vars_into with current_function_decl.
11076 * gimplify.c (struct gimplify_ctx): Remove fields
11077 combined_pre_p and combined_ctxp. Update users.
11078 (get_formal_tmp_var): Add documentation.
11079 (gimple_boolify): Make extern.
11080 (gimplify_expr_in_ctx): Remove. Update callers.
11081 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11082 will always be a BIND_EXPR.
11083 (gimplify_expr): Handle OMP_RETURN_EXPR.
11084 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11085 (OMP_PARALLEL): Add 3 operands.
11086 (OMP_SECTIONS): Add 1 operand.
11087 (OMP_RETURN_EXPR): Define.
11089 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11090 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11091 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11092 creating a circular free list.
11093 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11095 * tree-flow.h (move_sese_region_to_fn): Declare.
11096 (record_vars_into): Declare.
11097 * tree-cfg.c (make_omp_sections_edges): New.
11098 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11099 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11100 OMP_SECTIONS and OMP_SECTION.
11101 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11102 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11103 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11104 (gather_blocks_in_sese_region): New.
11105 (struct move_stmt_d): Declare.
11106 (move_stmt_r): New.
11107 (move_block_to_fn): New.
11108 (move_sese_region_to_fn): New.
11110 * passes.c (init_optimization_passes): Schedule
11111 pass_expand_omp after pass_init_datastructures.
11113 * tree-ssa-operands.c (get_expr_operands): Handle
11114 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11115 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11117 2006-01-19 Jeff Law <law@redhat.com>
11119 * tree-vrp.c (extract_range_from_assert): Refine the result range
11120 if the variable referenced by the ASSERT_EXPR has a range and
11121 either the tentative result range or the previous range is a
11124 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11126 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11128 2006-01-19 Jan Hubicka <jh@suse.cz>
11130 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11132 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11134 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11135 (expand_compound_operation, expand_field_assignment): Fail if the
11136 bit lengths of an extract operation are out of range.
11137 (make_extraction): Compute wanted_inner_mode based on the position
11138 and length of the extraction. Make it extraction_mode for non-constant
11139 positions, and do not modify offset in that case. When generating a
11140 new MEM, use a mode that can hold the extraction while keeping correct
11141 alignment. Remove code that supported MEMs wrapped by USEs.
11142 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11144 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11146 * config/s390/s390.md ("Y", "y"): New mode attribute.
11147 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11148 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11149 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11150 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11151 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11152 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11153 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11154 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11155 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11156 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11157 "addsi3", "subsi3"): Insn patterns removed.
11158 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11159 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11160 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11161 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11162 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11163 "*sub<mode>3_cconly2"): New insn patterns.
11164 ("addsi3", "subsi3"): New expanders.
11166 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11168 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11169 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11170 existing STMT_VINFO_VECTYPE if available.
11171 (vect_mark_relevant): Add special handling for stmts that are
11172 marked as STMT_VINFO_IN_PATTERN_P.
11173 (vect_analyze_loop): Call vect_pattern_recog.
11174 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11175 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11177 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11178 (vect_recog_func_ptr): New function-pointer type.
11179 * tree-vect-patterns.c: New file.
11180 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11181 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11182 (vect_pattern_recog_1): New functions.
11183 (vect_pattern_recog_funcs): New array of function pointers.
11185 * tree-vectorizer.h (ternary_op): New enum value.
11186 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11187 declaration. Revised documentation. Removed redundant dump prints.
11188 Removed redundant argument. Added support for reduction patterns.
11189 (vectorizable_reduction): Added support for reduction patterns.
11190 (vect_transform_stmt): Added support for patterns.
11192 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11193 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11194 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11195 (expand_widen_pattern_expr): New function.
11196 (init_optabs): Initialize new optabs udot_prod_optab,
11198 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11199 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11200 (expand_widen_pattern_expr): New function declaration.
11201 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11203 * tree-inline.c (estimate_num_insns_1): Added cases for new
11204 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11205 * tree-pretty-print.c (dump_generic_node): Likewise.
11206 (op_prio): Likewise.
11207 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11208 * tree-ssa-operands.c (get_expr_operands): Added case for
11210 * tree-vect-patterns.c (widened_name_p): New function.
11211 (vect_recog_dot_prod_pattern): Added function implementation.
11212 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11213 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11214 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11215 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11217 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11218 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11219 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11220 (init_optabs): Initialize new optabs widen_ssum_optab,
11222 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11223 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11224 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11225 use instead of type of def.
11226 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11227 function implementation.
11228 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11229 widen_ssumv8hi): New.
11231 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11234 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11237 * c-decl.c (add_flexible_array_elts_to_size): New function.
11238 (finish_decl): Use it.
11240 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11242 * diagnostic.h: Include options.h.
11243 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11244 dependancies for diagnostic.h.
11245 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11247 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11249 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11250 (ssa_ro_call_cache_valid): Ditto.
11251 * tree-ssa-alias.c (sort_tags_by_id): New function.
11252 (init_transitive_clobber_worklist): Ditto.
11253 (add_to_worklist): Ditto.
11254 (mark_aliases_call_clobbered): Ditto.
11255 (compute_tag_properties): Ditto.
11256 (set_initial_properties): Ditto.
11257 (compute_call_clobbered): Ditto.
11258 (compute_may_aliases): Call compute_call_clobbered and grouping.
11259 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11260 (compute_flow_insensitive_aliasing): Grouping now happens in our
11262 (setup_pointers_and_addressables): Remove clobbering related code.
11263 (add_may_alias): Ditto.
11264 (replace_may_alias): Ditto.
11265 (get_nmt_for): Ditto.
11266 (create_global_var):
11267 (is_escape_site): Return an escape_type enumeration.
11268 * tree-flow-inline.h (is_call_clobbered): Global var does not
11269 imply call clobbered.
11270 (mark_call_clobbered): Take a reason for marking this. Remove
11271 marking of globalness, and cache invalidation.
11272 (clear_call_clobbered): Remove cache invalidation code.
11273 * tree-dfa.c (dump_variable): If details is on, dump the reason
11275 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11277 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11278 (struct var_ann_d): Ditto.
11279 (enum escape_type): New.
11280 (mark_call_clobbered): Adjust prototype.
11281 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11282 are never call clobbered.
11283 Record reasons for escaping.
11284 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11285 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11286 (ssa_ro_call_cache_valid): Ditto.
11287 (clobbered_v_may_defs): Ditto.
11288 (clobbered_vuses): Ditto.
11289 (ro_call_vuses): Ditto.
11290 (clobber_stats): New.
11291 (init_ssa_operands): Zero out clobber stats.
11292 (fini_ssa_operands): Print out clobber stats.
11293 (get_call_expr_operands): Pass callee fndecl to
11294 add_call_read_ops).
11295 (add_call_clobber_ops): Remove use of cache.
11296 Add use of PURE_CONST information.
11297 (add_call_read_ops): Remove use of cache.
11298 Add use of static not_read information.
11300 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11302 Introduce TLS descriptors for i386 and x86_64.
11303 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11304 (TARGET_ANY_GNU_TLS): New macro.
11305 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11306 (struct machine_function): Add tls_descriptor_call_expanded_p.
11307 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11308 (ix86_current_function_calls_tls_descriptor): Likewise.
11309 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11310 (override_options): Introduce gnu2 tls dialect.
11311 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11313 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11315 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11316 (ix86_init_machine_status): Initialize new field.
11317 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11318 (ix86_tls_module_base): New.
11319 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11320 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11321 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11322 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11323 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11324 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11325 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11326 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11327 * config/i386/predicates.md (tls_modbase_operand): New.
11328 (tp_or_register_operand): New.
11330 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11332 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11333 (look_for_address_of): Ditto.
11334 (ipa_init): Walk the function decls.
11335 (static_execute): Don't set readonly on FUNCTION_DECL's.
11337 2006-01-18 Roger Sayle <roger@eyesopen.com>
11339 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11340 for shifts where the source and destination registers are different.
11342 2006-01-18 Paul Brook <paul@codesourcery.com>
11344 Merge from csl-arm-branch.
11345 2005-03-14 Julian Brown <julian@codesourcery.com>
11346 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11347 (aeabi_llsl): Likewise.
11348 (ashrdi3): Likewise.
11349 (aeabi_lasr): Likewise.
11350 (lshrdi3): Likewise.
11351 (aeabi_llsr): Likewise.
11352 2005-03-10 Julian Brown <julian@codesourcery.com>
11353 * config.gcc: Disable shared libgcc for SymbianOS.
11354 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11356 2006-01-18 DJ Delorie <dj@redhat.com>
11358 * c-pragma.c (handle_pragma_diagnostic): New.
11359 (init_pragma): Register it.
11360 * doc/extend.texi: Document it.
11362 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11363 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11364 (diagnostic_context): Add classify_diagnostic[].
11365 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11366 as errors if they're overridden to DK_WARNING.
11367 (diagnostic_initialize): Initialize classify_diagnostic[].
11368 (diagnostic_set_kind_override): New.
11369 (diagnostic_report_diagnostic): Check for kind changes.
11370 * opts.c (common_handle_option): Take lang_mask. Update callers.
11371 Handle OPT_Werror_.
11372 * common.opt (Werror=): New.
11373 * doc/invoke.texi: Document -Werror=*
11375 2006-01-18 Jeff Law <law@redhat.com>
11377 * tree-vrp.c (test_for_singularity): Correct test for new
11378 min limit. Use operand_equal_p rather than pointer equality
11379 for testing if new min/max values are equal.
11381 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11382 using range information until after propagation and folding.
11384 2006-01-18 Richard Henderson <rth@redhat.com>
11385 Aldy Hernandez <aldyh@redhat.com>
11386 Jakub Jelinek <jakub@redhat.com>
11387 Diego Novillo <dnovillo@redhat.com>
11389 * omp-low.c: New file.
11390 * c-omp.c: New file.
11392 2006-01-18 Richard Henderson <rth@redhat.com>
11393 Jakub Jelinek <jakub@redhat.com>
11394 Diego Novillo <dnovillo@redhat.com>
11396 * doc/invoke.texi: Document -fopenmp.
11397 * tree-dump.h (debug_function): Declare.
11398 * hooks.c (hook_bool_tree_bool_false): New function.
11399 (hook_tree_tree_null): Remove.
11400 (hook_tree_tree_tree_null): New.
11401 * hooks.h: Update to match.
11402 * tree-pretty-print.c (debug_tree_chain): New.
11403 (print_generic_expr): Handle TDF_CHAIN.
11404 (dump_generic_node): Handle BLOCK.
11405 Do not abort with incomplete SWITCH_EXPRs.
11406 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11407 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11408 print space after directive name.
11409 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11410 Handle OMP_MASTER and OMP_ORDERED.
11411 Handle printing of OMP_BODY just in one place, goto
11412 dump_omp_body in the rest of OMP_* nodes that have
11414 Don't handle clause nodes here. Update omp statements to
11415 use dump_omp_clauses.
11416 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11417 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11418 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11419 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11420 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11421 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11422 Adjust output for GOMP_PARALLEL.
11423 (dump_omp_clauses): New.
11424 (print_declaration): Dump DECL_VALUE_EXPR.
11425 (op_symbol_1): Split out of op_symbol.
11426 (dumping_stmts): Remove. Update all users.
11427 * cgraph.c (cgraph_analyze_queue): New.
11428 (cgraph_add_new_function): New.
11429 * cgraph.h (cgraph_analyze_queue): Declare.
11430 (cgraph_add_new_function): Declare.
11431 (cgraph_lower_function): Remove.
11432 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11433 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11434 and TYPE_P nodes in its default clause.
11435 (empty_body_p): New.
11436 (tree_range_check_failed): New.
11437 (build5_stat): New.
11438 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11439 OMP_CLAUSE_REDUCTION_MERGE,
11440 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11441 OMP_CLAUSE_PRIVATE_DEBUG,
11442 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11443 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11444 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11445 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11446 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11447 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11448 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11449 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11450 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11451 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11452 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11453 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11454 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11455 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11456 (TREE_RANGE_CHECK): New.
11457 (empty_body_p): Declare.
11458 (enum omp_clause_default_kind): New.
11459 (build_string_literal): Declare.
11460 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11461 (build5_stat, build5): Declare.
11462 * tree-pass.h (TDF_CHAIN): Define.
11463 * tree-pass.h (PROP_gimple_lomp): Define.
11464 (pass_lower_omp): Declare.
11465 * diagnostic.h (debug_tree_chain): Declare.
11466 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11468 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11469 * builtins.c (build_string_literal): Make extern.
11470 * gcc.c (include_spec_function): New.
11471 (static_spec_functions): Add it.
11472 (main): Move load of libgomp.spec ...
11473 (LINK_COMMAND_SPEC): ... here.
11474 (link_gomp_spec): New.
11475 (static_specs): Include it.
11476 (LINK_COMMAND_SPEC): Add link_gomp.
11477 (GOMP_SELF_SPECS): New.
11478 (driver_self_specs): Include it.
11479 (switch_matches): Don't mark inline.
11480 (main): Load libgomp.spec.
11481 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11482 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11483 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11484 * tree-gimple.h (enum omp_parallel): Declare.
11485 (determine_parallel_type): Declare.
11486 (omp_firstprivatize_variable): Declare.
11487 (omp_reduction_init): Declare.
11488 (diagnose_omp_structured_block_errors): Declare.
11489 (struct walk_stmt_info): Add want_return_expr.
11490 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11491 (find_omp_clause): Declare.
11492 (insert_field_into_struct): Declare.
11493 (struct walk_stmt_info): Move from tree-nested.c
11494 (walk_stmts): Declare.
11495 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11497 * cgraphunit.c (cgraph_lower_function): Make static.
11498 (cgraph_finalize_pending_functions): New.
11499 (cgraph_finalize_function): Call it.
11500 (cgraph_finalize_compilation_unit): Likewise.
11501 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11502 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11503 (BT_FN_UINT_UINT): New.
11504 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11505 DEF_FUNCTION_TYPE_VAR_4): Document.
11506 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11507 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11508 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11509 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11510 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11511 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11512 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11513 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11514 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11515 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11516 into separate files.
11517 (DEF_GOMP_BUILTIN): New.
11518 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11519 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11520 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11521 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11522 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11523 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11524 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11525 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11526 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11527 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11528 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11529 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11530 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11531 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11532 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11533 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11534 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11535 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11536 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11537 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11538 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11539 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11540 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11541 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11542 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11543 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11544 * sync-builtins.def: New file, moved from builtins.def.
11545 * omp-builtins.def: New file, moved from builtins.def.
11546 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11547 * gimple-low.c (lower_function_body): Clear data.
11548 (lower_stmt): Do not handle COMPOUND_EXPR.
11549 Remove call to print_node_brief.
11550 * c-tree.h (c_finish_omp_clauses): New prototype.
11551 (C_DECL_THREADPRIVATE_P): Define.
11552 (lookup_name_no_remap, c_omp_remap_private): Remove
11553 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11554 (check_for_loop_decls): Update decl.
11555 (lookup_name_no_remap, c_omp_remap_private): Declare.
11556 (build_indirect_ref, build_modify_expr, pushdecl,
11557 pushdecl_top_level): Move to c-common.h.
11558 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11559 before the switch, but just in the 2 places that need it.
11560 * c-decl.c (diagnose_mismatched_decls): Do not check for
11561 mismatched thread-local attributes when OLDDECL is marked
11562 threadprivate and NEWDECL has no thread-local attributes.
11563 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11564 (c_gimple_diagnostics_recursively): Rename from
11565 c_warn_unused_result_recursively. Invoke
11566 diagnose_omp_structured_block_errors.
11567 (check_for_loop_decls): Return a singular decl found.
11568 * langhooks.c (lhd_omp_predetermined_sharing): Return
11569 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11570 (lhd_omp_firstprivatize_type_sizes): New.
11571 (lhd_omp_assignment): New.
11572 (lhd_omp_predetermined_sharing): New.
11573 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11574 (struct lang_hooks_for_types): Add
11575 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11576 omp_predetermined_sharing, omp_disregard_value_expr,
11577 omp_private_debug_clause, omp_clause_default_ctor,
11578 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11579 (c_finish_omp_clauses): New.
11580 (c_finish_bc_stmt): Diagnose break within omp for.
11581 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11582 (build_unary_op): Return error_mark after reporting
11584 (build_modify_expr): Likewise.
11585 * gimplify.c: Include optabs.h and pointer-set.h.
11586 (enum gimplify_omp_var_data): Declare.
11587 (struct gimplify_omp_ctx): Declare.
11588 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11590 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11591 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11592 (splay_tree_compare_decl_uid): New.
11593 (new_omp_context): New.
11594 (delete_omp_context): New.
11595 (gimple_add_tmp_var): Call omp_add_variable.
11596 (gimplify_bind_expr): Likewise.
11597 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11598 true, disregard DECL_VALUE_EXPR on the decl if any.
11599 (gimplify_expr_in_ctx): New.
11600 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11601 omp_add_variable, omp_notice_variable, omp_is_private
11602 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11603 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11604 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11605 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11606 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11607 gimplify_omp_atomic): New.
11608 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11609 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11610 OMP_CRITICAL and OMP_ATOMIC.
11611 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11612 * c-pragma.h (enum pragma_kind): Add
11613 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11614 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11615 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11616 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11617 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11618 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11619 PRAGMA_OMP_THREADPRIVATE.
11620 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11621 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11622 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11623 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11624 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11625 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11626 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11627 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11628 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11629 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11630 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11631 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11632 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11634 (struct nesting_info): Add field_map,
11635 suppress_expansion, debug_var_chain.
11636 (create_nesting_tree): Initialize them.
11637 (lookup_field_for_decl): Use field_map.
11638 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11639 (convert_local_omp_clauses): New.
11640 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11641 (walk_body): Split out of walk_function.
11642 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11643 (convert_nonlocal_reference): Handle omp statements.
11644 (convert_local_reference): Likewise.
11645 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11646 (unnest_nesting_tree): New.
11647 (lower_nested_functions): Call it.
11648 (insert_field_into_struct): Make extern.
11649 (struct walk_stmt_info): Move to tree-gimple.h.
11650 (walk_stmts): Make extern.
11651 * omp-builtins.def: New file.
11652 * tree-iterator.c (expr_only): Clarify comment.
11653 * c-common.h (pushdecl_top_level, pushdecl,
11654 build_modify_expr, build_indirect_ref,
11655 c_finish_omp_master, c_finish_omp_critical,
11656 c_finish_omp_ordered, c_finish_omp_barrier,
11657 c_finish_omp_atomic, c_finish_omp_flush,
11658 c_finish_omp_for, c_split_parallel_clauses,
11659 omp_clause_default_kind, c_omp_sharing_predetermined,
11660 c_omp_remap_decl): Declare.
11661 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11662 (OBJS-common): Add omp-low.o.
11663 (c-omp.o, omp-low.o): Add.
11664 (gimplify.o): Add dependency on $(OPTABS_H).
11665 (GTFILES): Add omp-low.c.
11666 (gt-stringpool.h): Add.
11667 * tree-cfg.c (set_bb_for_stmt): Do not update the
11668 block-to-labels map if we are currently expanding to RTL.
11669 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11671 Handle IDENTIFIER_NODE.
11672 (tree_verify_flow_info): Do not ICE when emitting error
11673 messages about invalid labels.
11674 (dump_function_to_file): Reset CFUN before emitting the body
11676 (debug_function): New.
11677 * passes.c (init_optimization_passes): Schedule
11679 * langhooks-def.h (lhd_omp_predetermined_sharing,
11680 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11682 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11683 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11684 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11685 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11686 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11687 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11688 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11689 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11690 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11691 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11692 (LANG_HOOK_DECLS): Use them.
11694 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11695 Richard Henderson <rth@redhat.com>
11696 Jakub Jelinek <jakub@redhat.com>
11697 Diego Novillo <dnovillo@redhat.com>
11699 * c-parser.c (pragma_omp_clause): Define.
11700 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11701 (c_parser_compound_statement): Likewise.
11702 (c_parser_statement): Likewise.
11703 (c_parser_pragma): Handle omp pragmas.
11704 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11705 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11706 (c_parser_omp_clause_name, check_no_duplicate_clause,
11707 c_parser_omp_variable_list,
11708 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11709 c_parser_omp_clause_copyprivate,
11710 c_parser_omp_clause_default,
11711 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11712 c_parser_omp_clause_lastprivate,
11713 c_parser_omp_clause_nowait,
11714 c_parser_omp_clause_num_threads,
11715 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11716 c_parser_omp_clause_reduction,
11717 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11718 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11719 c_parser_omp_atomic, c_parser_omp_barrier,
11720 c_parser_omp_critical, c_parser_omp_flush,
11721 c_parser_omp_for_loop, c_parser_omp_for,
11722 c_parser_omp_master, c_parser_omp_ordered,
11723 c_parser_omp_sections_scope, c_parser_omp_sections,
11724 c_parser_omp_parallel, c_parser_omp_single,
11725 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11726 * c-pragma.c (init_pragma): Do omp pragma registration here.
11727 * c.opt (fopenmp): New flag.
11729 2006-01-18 Eric Christopher <echristo@apple.com>
11731 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11732 * config/darwin.h (GOMP_SELF_SPECS): Define.
11734 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11736 * rtl.h: Remove the prototype for reg_alloc.
11738 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11741 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11742 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11743 sjlj and dwarf2 exception handling.
11744 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11745 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11746 * pa/pa.c (function_value): Treat complex and vector types as
11748 (function_arg): Likewise. Only pass scalar floats in the floating
11749 point argument registers.
11750 * pa/t-slibgcc-dwarf-ver: New file.
11751 * pa/t-slibgcc-sjlj-ver: New file.
11752 * pa/t-slibgcc-elf-ver: Delete file.
11754 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11756 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11757 unlikely_test_section_p test.
11759 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11761 * mode-switching.c (optimize_mode_switching): Make it static.
11762 * basic-block.h: Remove the prototype for
11763 optimize_mode_switching.
11765 * modulo-sched.c (sms_schedule): Make it static.
11766 * rtl.h: Remove the prototype for sms_schedule.
11768 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11769 * rtl.h: Remove the prototype for gcse_after_reload_main.
11771 * reg-stack.c (reg_to_stack): Make it static.
11772 * rtl.h: Remove the prototype for reg_to_stack.
11774 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11776 * rtl.h: Remove the prototypes for regrename_optimize and
11777 copyprop_hardreg_forward.
11779 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11781 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11782 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11783 Test against the appropriate null constant for the mode.
11784 If 'fixup_overlap' is true, swap the operands if they overlap.
11785 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11786 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11787 alpha_split_tmode_pair and adjust for above change.
11788 * config/alpha/alpha.md (movtf_internal): Adjust call to
11789 alpha_split_tfmode_pair and rely on it to swap the operands.
11790 (movti_internal): New insn and post-reload splitter.
11791 (movti): New expander.
11793 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11795 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11798 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11800 * rtlanal.c (global_reg_mentioned_p_1,
11801 global_reg_mentioned_p): Remove.
11802 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11804 * flow.c (initialize_uninitialized_subregs): Make it static.
11805 * rtl.h: Remove the prototype for
11806 initialize_uninitialized_subregs.
11808 * function.c (instantiate_virtual_regs): Make it static.
11809 * function.h: Remove the prototype for
11810 instantiate_virtual_regs.
11812 * regmove.c (regmove_optimize, combine_stack_adjustments):
11814 * rtl.h: Remove the prototypes for regmove_optimize and
11815 combine_stack_adjustments.
11817 2006-01-17 Roger Sayle <roger@eyesopen.com>
11819 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11820 (size_cost): Encode costs in bytes so that a reg-reg addition is
11821 equivalent to COSTS_N_INSNS(1).
11822 (override_options): Use the size_cost.branch_cost as the default
11823 ix86_branch_cost when optimizing for size.
11825 2006-01-18 Ben Elliston <bje@au.ibm.com>
11827 * Makefile.in (D32PBIT_FUNCS): New.
11828 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11829 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11830 D64PBIT_FUNCS and D128PBIT_FUNCS.
11831 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11832 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11834 (decnumber_dep): Define.
11835 * doc/libgcc.texi (Decimal float library routines): New node.
11836 * config/dfp-bit.h, config/dfp-bit.c: New files.
11838 2006-01-18 Ben Elliston <bje@au.ibm.com>
11840 * expr.c (emit_move_change_mode): Always adjust addresses, not
11841 just during reload. Copy replacements only during reload.
11842 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11843 emit_move_via_integer.
11845 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11847 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11848 instead of $(srcdir) and ${srcdir}.
11850 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11853 PR middle-end/11135
11854 * arm.h (struct machine_function): Add pic_reg.
11855 * arm.c (arm_pic_register): Make unsigned.
11856 (arm_override_options): Only set arm_pic_register if
11857 TARGET_SINGLE_PIC_BASE.
11858 (use_return_insn): Only test for a pic register if it is fixed.
11859 (arm_compute_save_reg0_reg12_mask): Likewise.
11860 (thumb_compute_save_reg_mask): Likewise.
11861 (legitimate_pic_operand): Factor out some known invariants.
11862 (legitimize_pic_address): If we don't have a fixed pic register,
11863 then set up a pseudo in the function entry sequence. Handle the
11864 pic base being in a pseudo.
11865 (arm_load_pic_register): Handle the pic register being in a pseudo.
11866 (arm_expand_prologue): Only set up the pic register if it is fixed.
11867 (thumb_expand_prologue): Likewise.
11868 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11869 (pic_load_addr_based_insn): Likewise.
11870 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11873 2006-01-18 Ben Elliston <bje@au.ibm.com>
11875 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11876 decimal float modes for all floating point registers.
11878 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11879 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11881 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11884 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11885 even when the pointer is not NULL.
11887 2006-01-16 Ian Lance Taylor <ian@airs.com>
11889 * common.opt (ftoplevel-reorder): New option.
11890 * cgraph.c (cgraph_asm_nodes): New global variable.
11891 (cgraph_asm_last_node): New static variable.
11892 (cgraph_order): New global variable.
11893 (cgraph_create_node): Set new order field.
11894 (cgraph_varpool_node): Likewise.
11895 (decide_is_variable_needed): Return true if not
11896 flag_toplevel_reorder.
11897 (cgraph_add_asm_node): New function.
11898 * cgraph.h (struct cgraph_node): Add order field.
11899 (struct cgraph_varpool_node): Add order field.
11900 (struct cgraph_asm_node): Define.
11901 (cgraph_asm_nodes, cgraph_order): Declare.
11902 (cgraph_add_asm_node): Declare.
11903 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11905 (cgraph_varpool_assemble_pending_decls): Call it.
11906 (cgraph_output_pending_asms): New static function.
11907 (cgraph_finalize_compilation_unit): Call it.
11908 (struct cgraph_order_sort): Define.
11909 (cgraph_output_in_order): New static function.
11910 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11911 !flag_toplevel_reorder case.
11912 * c-parser.c: Include "cgraph.h".
11913 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11915 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11916 than -fno-unit-at-a-time.
11917 * doc/invoke.texi (Option Summary): Mention
11918 -fno-toplevel-reorder.
11919 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11920 -funit-at-a-time documentation.
11922 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11923 Kazu Hirata <kazu@codesourcery.com>
11925 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11927 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11929 * Makefile.in (FUNCTION_H): New. Use it instead of
11930 function.h throughout the file.
11931 * function.h: Include tree.h.
11933 2006-01-17 Ben Elliston <bje@au.ibm.com>
11935 * recog.c: Separate some functions with whitespace.
11937 2006-01-16 Richard Henderson <rth@redhat.com>
11939 Merge from gomp branch:
11940 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11941 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11942 and rename from struct inline_data. Rename callee* to dst*;
11943 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11944 transform_new_cfg, transform_return_to_modify, and
11945 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11947 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11948 (copy_decl_for_dup): Remove.
11949 * tree-inline.c (struct inline_data): Move to header.
11950 (insert_decl_map): Export.
11951 (remap_decl): Update for member name changes. Use copy_decl hook.
11952 Allow for replacement to be a non-decl. Remove dead code.
11953 (remap_type_1): Check for existing mapping.
11954 (remap_type): Export.
11955 (remap_decls): Update for member name changes.
11956 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11957 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11958 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11959 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11960 (tree_function_versioning, build_duplicate_type): Likewise.
11961 (copy_body_r): Likewise. Export.
11962 (copy_decl_for_dup): Split into ...
11963 (copy_decl_for_dup_finish, copy_decl_to_var,
11964 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11965 (replace_ref_tree, inlining_p): Remove.
11967 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11969 * ifcvt.c (if_convert): Make it static.
11970 * rtl.h: Remove the prototype for if_convert.
11972 * local-alloc.c (local_alloc): Make it static.
11973 * rtl.h: Remove the prototype for local_alloc.
11975 * loop.c (loop_optimize): Make it static.
11976 * cfgloop.h: Remove the prototype for loop_optimize.
11979 2006-01-16 DJ Delorie <dj@redhat.com>
11981 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11984 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11986 * pa.md: Disparage copies between general and floating-point registers
11987 in 32-bit move patterns.
11989 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11992 * Makefile.in (check-%): Depend on site.exp instead of
11993 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11996 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11998 * global.c (global_alloc): Make it static.
11999 * rtl.h: Remove the prototype for global_alloc.
12001 2006-01-16 Richard Guenther <rguenther@suse.de>
12003 * tree-ssa-alias.c (struct used_part): Add write_only field.
12004 (get_or_create_used_part_for): Initialize it to true.
12005 (create_overlap_variables_for): Don't create structure variables
12006 for structures that only are written to.
12007 (find_used_portions): Handle MODIFY_EXPR to track whether a
12008 structure is only written to.
12010 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12012 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12014 * basic-block.h: Remove the prototype for
12015 partition_hot_cold_basic_blocks.
12017 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12019 * cppspec.c (lang_specific_spec_functions): Remove.
12020 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12021 * gcc.h (lang_specific_spec_functions): Remove.
12022 * gccspec.c (lang_specific_spec_functions): Remove.
12024 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12026 * combine.c (record_value_for_reg): Invalidate registers
12028 (record_dead_and_set_regs_1): Likewise, by passing them to
12029 record_value_for_reg.
12030 (record_dead_and_set_regs): Invalidate stores made by a
12031 call. We do not combine across a call, but we still
12032 relied on equivalences.
12034 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12036 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12037 vrp_int_const_binop returning non-constant nodes.
12039 2006-01-16 Paul Brook <paul@codesourcery.com>
12041 * config/m68k/m68k.c (output_move_const_into_data_reg):
12042 Output correct mnemonic for mvz and mvs.
12044 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12046 * rtl-factoring.c: Add sequence abstraction algorithm.
12047 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12048 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12050 (block_has_preserve_label): New function.
12051 * common.opt: Register new pass.
12052 * Makefile.in: Ditto.
12054 * timevar.def: Ditto.
12055 * tree-pass.h: Ditto.
12056 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12057 * rtl.h (make_jump_insn_raw): Add forward decl.
12058 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12060 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12061 Roger Sayle <roger@eyesopen.com>
12063 * fold-const.c (fold_minmax): New static function.
12064 (fold_binary) <MIN_EXPR>: Call it.
12065 <MAX_EXPR>: Likewise.
12066 * stor-layout.c (place_field): Use DECL_SIZE consistently
12067 in the computation of the new record size.
12069 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12071 * cse.c (cse_condition_code_reg): Make it static.
12072 * rtl.h: Remove the prototype for cse_condition_code_reg.
12074 * combine.c (combine_instructions): Make it static.
12075 * rtl.h: Remove the prototype for combine_instructions.
12077 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12080 * tree.c (get_file_function_name_long): Concatenate the first global
12081 object name with a string derived from the input filename of the object
12084 2006-01-16 Ben Elliston <bje@au.ibm.com>
12086 * config/i386/winnt-stubs.c: Update FSF address.
12087 * config/xtensa/ieee754-df.S: Ditto.
12088 * config/xtensa/ieee754-sf.S: Ditto.
12090 2006-01-14 Ian Lance Taylor <ian@airs.com>
12092 * ifcvt.c (noce_init_if_info): New static function, broken out of
12093 noce_process_if_block.
12094 (noce_process_if_block): Call noce_init_if_info.
12095 (check_cond_move_block): New static function.
12096 (cond_move_process_if_block): New static function.
12097 (process_if_block): Call cond_move_process_if_block.
12099 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12101 * cselib.c (hash_table): Rename to cselib_hash_table.
12102 (cselib_clear_table, discard_useless_values,
12103 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12104 cselib_init, cselib_finish): Adjust uses of hash_table.
12106 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12108 PR tree-optimization/25485
12109 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12110 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12111 is known to be false and true, respectively.
12113 2006-01-14 Richard Guenther <rguenther@suse.de>
12115 PR tree-optimization/22548
12116 PR tree-optimization/22555
12117 PR tree-optimization/22501
12118 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12119 * params.def (salias-max-array-elements): New parameter.
12120 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12121 * doc/invoke.texi (salias-max-array-elements): Document.
12122 * tree-flow-inline.h (var_can_have_subvars): We also handle
12124 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12126 * tree-ssa-structalias.c (params.h): Include.
12127 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12128 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12129 (get_constraint_for): For ADDR_EXPR operating on something
12130 containing an ARRAY_REF, add all subvars to the solution.
12131 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12132 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12133 for creating MUST_DEFs.
12134 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12136 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12138 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12140 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12141 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12142 number_of_iterations_le): New functions.
12143 (number_of_iterations_special): Removed.
12144 (number_of_iterations_exit): Do not use number_of_iterations_special.
12145 * tree.c (unsigned_type_for): Always return integer type.
12147 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12148 Richard Guenther <rguenther@suse.de>
12150 PR rtl-optimization/24257
12151 * gcse.c (find_moveable_store): Only consider a store movable
12152 when the SET_SRC of the insn can be assigned to a register.
12154 2006-01-14 Ian Lance Taylor <ian@airs.com>
12156 * tree.c (tree_not_class_check_failed): New function.
12157 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12158 (tree_not_class_check_failed): Declare.
12160 2006-01-13 Ian Lance Taylor <ian@airs.com>
12162 * reload1.c (do_output_reload): Add assertion rejecting a
12165 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12167 * combine.c (struct reg_stat): Add new fields truncation_label and
12169 (record_value_for_reg): Reset truncated_to_mode.
12170 (record_truncated_value): New function.
12171 (check_promoted_subreg): Call it. Rename to check_conversions.
12172 (combine_instructions): Rename check_promoted_subreg to
12174 (reg_truncated_to_mode): New function.
12175 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12176 (gen_lowpart_or_truncate): New function.
12177 (force_to_mode): Use it instead of gen_lowpart.
12179 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12181 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12182 VAR is a tag, not its type tag.
12184 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12186 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12187 alternatives to match style of other entries.
12188 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12190 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12192 PR tree-optimization/25771
12193 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12196 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12199 * tree-inline.c (declare_return_variable): If the return variable
12200 was marked as a non gimple complex, set the return slot variable
12201 to be a non gimple comple variable.
12203 2006-01-13 Richard Guenther <rguenther@suse.de>
12205 * builtins.c (expand_builtin_sincos): New function.
12206 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12208 (expand_builtin): Expand sincos using expand_builtin_sincos.
12210 2006-01-12 DJ Delorie <dj@redhat.com>
12212 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12213 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12214 so that constant shifts can be split.
12215 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12216 (m32c_valid_pointer_mode): Make static.
12217 (shift_gen_func_for): New.
12218 (m32c_prepare_shift): Use it. Split large const shifts into
12220 * config/m32c/predicates.md (shiftcount_operand): Allow more
12222 (longshiftcount_operand): New.
12223 * doc/md.texi (Machine Constraints): Document In6.
12225 2006-01-13 Ben Elliston <bje@au.ibm.com>
12227 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12228 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12231 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12233 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12234 to try to avoid clobbering pieces of structures when we know
12235 something about the whole structure.
12236 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12238 2006-01-13 Ben Elliston <bje@au.ibm.com>
12240 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12241 return in memory, as this is no limitation is no longer present.
12243 2006-01-12 DJ Delorie <dj@redhat.com>
12245 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12246 mova with fb, and for fb+0 -> An.
12248 * config/m32c/mov.md (peephole2): Fix enabling logic.
12250 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12251 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12252 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12253 FINI_ARRAY_SECTION_ASM_OP): Define.
12255 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12257 (m32c_legitimize_reload_address): New logic to reload FB to An.
12258 (m32c_output_reg_push): Add newline.
12259 (m32c_output_reg_pop): Likewise.
12261 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12263 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12265 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12267 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12269 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12271 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12274 2006-01-11 Ben Elliston <bje@au.ibm.com>
12276 * rtlanal.c (find_reg_note): Assert insn is not null.
12278 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12280 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12283 2006-01-11 Jeff Law <law@redhat.com>
12285 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12287 (mark_threaded_blocks, register_jump_thread): New functions.
12288 (thread_through_all_blocks): Remove unwanted argument. No
12289 longer rely on e->aux to communicate thread target info.
12290 Call mark_threaded_blocks. Release the threaded_blocks
12291 bitmap and threaded_edges vector when complete.
12292 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12293 (threaded_blocks): Remove.
12294 (tree_ssa_dominator_optimize): Remove initialization and
12295 finalization of threaded_blocks. Simplify call to
12296 thread_through_all_blocks.
12297 (thread_across_edge): Call register_jump_thread rather than
12298 storing thread information into e->aux.
12299 (free_all_edge_infos): Simplify now that e->aux is no longer
12300 used to communicate with thread_through_all_blocks.
12301 * tree-flow.h (thread_through_all_blocks): Update prototype.
12302 (register_jump_thread): Prototype.
12304 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12306 * df-core.c (df_compact_blocks, df_bb_replace): Use
12307 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12309 2006-01-11 Richard Guenther <rguenther@suse.de>
12311 PR tree-optimization/25734
12312 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12313 stop propagation after successful propagation to the LHS.
12315 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12317 * basic-block.h (control_flow_graph): Change the type of
12318 x_basic_block_info to VEC(basic_block,gc) *.
12319 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12321 (SET_BASIC_BLOCK): New.
12322 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12323 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12324 * cfgbuild.c (find_basic_blocks): Likewise.
12325 * cfglayout.c (fixup_reorder_chain): Likewise.
12326 * cfgrtl.c (create_basic_block_structure,
12327 rtl_create_basic_block): Likewise.
12328 * ifcvt.c (find_if_case_1): Likewise.
12329 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12332 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12334 * Makefile.in: Removed rotted odf.c entry.
12336 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12339 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12340 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12341 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12342 output pattern modifier, not %e.
12343 * config/cris/cris.c (cris_op_str): Update comment about pattern
12345 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12346 before falling through into...
12347 <case 'E'>: Redefined from old 'e' case.
12349 2006-01-11 Jan Hubicka <jh@suse.cz>
12352 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12354 2006-01-11 Jan Hubicka <jh@suse.cz>
12356 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12357 * i386.c (x86_decompose_lea): Kill.
12358 (ix86_rtx_costs): Kill.
12360 2006-01-11 Jan Hubicka <jh@suse.cz>
12362 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12363 * cgraph.h (cgraph_node): Add inline_decl.
12364 (cgraph_insert_node_to_hashtable): Declare.
12365 (save_inline_function_body): Declare.
12366 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12368 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12369 (cgraph_function_versioning): Update call of tree_function_versioning.
12370 (save_inline_function_body): New function.
12371 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12372 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12373 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12374 (cgraph_default_inline_p): Likewise.
12375 (cgraph_decide_inlining_incrementally): Likewise.
12376 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12377 (copy_bb): Kill saving; do updating of clones.
12378 (copy_cfg_body): Kill saving.
12379 (initialize_inlined-parameters): Likewise.
12380 (expand_call_inline): Likewise.
12382 (tree_function_versioning): New parameter "update_clones".
12383 (inlining_p): Kill saving.
12384 * tree-inline.h (tree_function_versioning): Update prototype.
12385 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12388 2006-01-11 Ian Lance Taylor <ian@airs.com>
12390 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12391 Allow undoing set of machine mode.
12392 (do_SUBST): Use enums instead of is_int.
12393 (do_SUBST_MODE): New function.
12394 (SUBST_MODE): New macro.
12395 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12396 reg and trying to replace reg_regno_rtx with a new register.
12397 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12398 (simplify_set): Use SUBST_MODE.
12399 (distribute_notes): Remove code that tried to update reg notes
12400 for regno_reg_rtx changes.
12402 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12404 PR tree-optimization/23109
12405 PR tree-optimization/23948
12406 PR tree-optimization/24123
12408 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12409 * tree-cfg.c (single_noncomplex_succ): New.
12410 * tree-flow.h (single_noncomplex_succ): Declare it.
12411 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12412 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12413 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12414 insert_bb, register_division_in, insert_reciprocals,
12415 replace_reciprocal, free_bb): New.
12416 (execute_cse_reciprocals_1): Rewritten.
12417 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12418 Do not commit any edge insertion. Always compute dominators and
12419 create the allocation pool.
12420 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12421 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12422 * targhooks.c (default_min_divistions_for_recip_mul): New.
12423 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12424 * passes.c (init_optimization_passes): Run recip after tree loop
12426 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12428 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12429 Kenneth Zadeck <zadeck@naturalbridge.com>
12431 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12432 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12433 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12434 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12435 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12436 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12437 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12438 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12439 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12440 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12441 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12442 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12443 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12444 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12445 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12446 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12447 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12448 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12449 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12450 DF_SCAN_POST_ALLOC): New macros.
12451 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12452 df_free_bb_function, df_local_compute_function, df_init_function,
12453 df_dataflow_function, df_confluence_function_0,
12454 df_confluence_function_n, df_transfer_function,
12455 df_finalizer_function, df_free_function, df_dump_problem_function,
12456 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12457 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12458 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12459 df_urec_bb_info, ) New types.
12460 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12462 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12463 df_analyze_simple_change_some_blocks,
12464 df_analyze_simple_change_one_block, df_compact_blocks,
12465 df_bb_replace, df_bb_regno_last_use_find,
12466 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12467 df_insn_regno_def_p, df_find_def, df_find_use,
12468 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12469 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12470 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12471 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12472 debug_df_chain, df_get_dependent_problem, df_chain_create,
12473 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12474 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12475 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12476 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12477 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12478 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12479 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12480 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12481 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12482 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12483 df_reorganize_refs, df_set_state, df_hard_reg_init,
12484 df_read_modify_subreg_p) New public functions.
12485 * df-core.c: The core dataflow solver and glue routines for rtl
12487 (df_init, df_add_problem, df_set_blocks, df_finish,
12488 df_hybrid_search_forward, df_hybrid_search_backward,
12489 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12490 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12491 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12492 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12493 df_reg_defined, df_find_use, df_reg_used, df_dump,
12494 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12495 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12496 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12497 debug_df_useno, reset_df_after_reload): New functions.
12498 * df-scan.c: The scanning fuctions, once in df.c, completely
12499 rewritten so that they now fully model the functionality of
12500 register usage at the backend.
12501 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12502 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12503 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12504 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12505 df_get_artificial_defs, df_get_artificial_uses,
12506 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12507 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12508 df_refs_delete, df_reorganize_refs, df_set_state,
12509 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12510 df_def_record_1, df_defs_record, df_uses_record,
12511 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12512 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12513 df_record_exit_block_uses, df_hard_reg_init): New functions.
12515 * df-problems.c: Seven concrete dataflow problems that use the
12516 scanning in df-scan.c and are solved by the engine in df-core.c.
12517 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12518 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12519 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12520 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12521 df_ru_free_bb_info, df_ru_alloc,
12522 df_ru_bb_local_compute_process_def,
12523 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12524 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12525 df_ru_transfer_function, df_ru_free, df_ru_dump,
12526 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12527 df_rd_free_bb_info, df_rd_alloc,
12528 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12529 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12530 df_rd_transfer_function, df_rd_free, df_rd_dump,
12531 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12532 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12533 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12534 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12535 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12536 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12537 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12538 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12539 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12540 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12541 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12542 df_urec_mark_reg_use_for_earlyclobber,
12543 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12544 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12545 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12546 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12547 df_chain_create_bb_process_use, df_chain_create_bb,
12548 df_chain_finalize, df_chain_free, df_chains_dump,
12549 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12550 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12551 df_reg_lifetime): New functions.
12552 * df.c: Deleted file.
12553 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12554 consistent with new df api.
12555 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12556 rest_of_handle_sms): Ditto.
12557 * web.c (unionfind_union, union_defs, entry_register, web_main):
12559 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12560 invariant_expr_equal_p, find_defs, check_dependencies,
12561 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12562 free_inv_motion_data, move_loop_invariants): Ditto.
12563 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12564 Update dependencies.
12565 (odf.c): Added defective entry that was deleted later in day.
12566 * sched-deps.c (sched_analyze_1): Ditto.
12568 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12570 * tree-ssa-operands.c (get_expr_operands): Record addressable
12571 variables directly. Do not call add_stmt_operands for CONST_DECLs
12573 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12574 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12576 2006-01-11 Ben Elliston <bje@au.ibm.com>
12578 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12579 function returns true in the positive case.
12581 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12584 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12585 for SI, DI, SF and DF modes. Add alternatives to copy between
12586 general and floating point registers to the 32-bit patterns.
12587 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12588 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12589 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12590 generating 64-bit code.
12591 * config/pa/pa.c (output_move_double): Handle copies between general
12592 and floating registers.
12594 2006-01-10 Stuart Hastings <stuart@apple.com>
12596 * config/i386/i386.md (set_got): Update.
12597 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12598 (builtin_setjmp_receiver): Mach-O support.
12599 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12600 (GOT_SYMBOL_NAME): Define.
12601 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12602 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12603 * config/i386/i386.c (override_options): Revise for Darwin.
12604 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12605 support. (darwin_x86_file_end): New. (output_set_got): Add label
12606 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12607 * config/i386/i386-protos.h (output_set_got): Likewise.
12608 * config/darwin.c (machopic_legitimize_pic_address): Update
12611 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12613 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12614 when MODE isn't BLKmode.
12616 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12618 PR rtl-optimization/25367
12619 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12621 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12624 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12625 for a negative bound.
12627 2006-01-10 Richard Guenther <rguenther@suse.de>
12629 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12630 Never override with anything constraint.
12632 2006-01-10 Jan Beulich <jbeulich@novell.com>
12634 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12635 256 bits when optimize_size.
12637 2006-01-10 Jan Beulich <jbeulich@novell.com>
12639 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12641 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12642 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12645 2006-01-10 Ben Elliston <bje@au.ibm.com>
12647 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12649 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12650 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12651 (USE_FP_FOR_ARG): Reject decimal float modes.
12652 (function_arg_advance): Likewise.
12653 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12654 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12655 point types in AltiVec vectors.
12656 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12657 (rs6000_libcall_value): Likewise.
12659 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12661 * config/xtensa/ieee754-df.S: New file.
12662 * config/xtensa/ieee754-sf.S: New file.
12663 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12664 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12665 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12667 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12669 * config/sh/predicates.md (binary_float_operator,
12670 binary_logical_operator, commutative_float_operator,
12671 equality_comparison_operator, greater_comparison_operator,
12672 less_comparison_operator, logical_operator,
12673 noncommutative_float_operator, shift_operator,
12674 symbol_ref_operand, unary_float_operator): Remove redundant
12677 2006-01-09 Jeff Law <law@redhat.com>
12679 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12680 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12681 now unused arguments. Callers updated.
12682 (eliminate_redundant_computations): Remove now unused arguments,
12684 (local_fold): Remove, no longer used.
12685 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12687 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12688 (simplify_cond): New function.
12689 (forward_propagate_into_cond): Call simplify_cond.
12691 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12693 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12694 (*vec_extractv2di_1_sse): New.
12696 2006-01-09 Ben Elliston <bje@au.ibm.com>
12698 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12700 2006-01-08 Richard Guenther <rguenther@suse.de>
12702 * tree-ssa-structalias.c (get_constraint_for): Remove
12703 anyoffset argument.
12704 (get_constraint_for_component_ref): Likewise.
12705 (do_deref): Likewise.
12706 (get_constraint_for): Likewise.
12707 (do_structure_copy): Likewise.
12708 (handle_ptr_arith): Likewise.
12709 (find_func_aliases): Likewise. Remove unused need_anyoffset
12712 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12713 Kaz Kojima <kkojima@gcc.gnu.org>
12715 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12716 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12717 (EXTRA_CONSTRAINT_C16): Remove.
12718 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12719 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12720 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12721 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12722 constants of SHmedia. Handle nested constant expressions of
12724 (andcosts): Fix the costs for SHmedia constants.
12725 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12726 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12727 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12728 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12729 (movv4hi_i, movv2si_i): Likewise.
12730 (movsi_const): Adjust the second operand of ior so to match with
12731 the Csu constraint.
12732 (movdi_const, movdi_const_32bit): Likewise.
12733 (movdi_const_16bit+1): Don't sign-extend LOW.
12734 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12736 (*double_shori): Fix the split condition. Use GEN_INT instead
12737 of get_int_mode calls. Mask lower 16-bit of the argument of
12739 (sym2GOTPLT): Remove.
12740 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12742 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12743 instead of EXTRA_CONSTRAINT_C16.
12745 2006-01-07 Ian Lance Taylor <ian@airs.com>
12746 David Edelsohn <edelsohn@gnu.org>
12748 PR rtl-optimization/25662
12749 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12750 for constant operands instead of simplify_gen_binary.
12751 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12752 after trying simplify_binary_operation
12754 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12756 * tree.c (iterative_hash_expr): Hash decls based on UID.
12758 2006-01-06 Eric Christopher <echristo@apple.com>
12760 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12761 (TARGET_UNWIND_EMIT): Fix spelling.
12762 * target.h (gcc_target): Add except_table_label.
12763 * except.c (output_function_exception_table): Use.
12764 * varasm.c (default_emit_except_table_label): New.
12765 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12767 (asm_out): Add here.
12768 * output.h (default_emit_except_table_label): Prototype.
12769 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12770 * config/darwin.c (darwin_emit_except_table_label): Define.
12771 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12773 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12775 PR tree-optimization/18527
12776 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12777 number_of_iterations_special, number_of_iterations_exit):
12778 Move base and step of an iv to a single structure. Add
12779 no_overflow flag, and use it in # of iterations analysis.
12780 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12781 folded_casts argument.
12782 (simple_iv): Pass base and step in a structure. Set no_overflow
12784 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12785 Evaluate expensiveness of computing # of iterations instead of
12786 the final expression.
12787 * tree-scalar-evolution.h (affine_iv): New structure.
12788 (simple_iv): Declaration changed.
12789 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12790 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12791 find_givs_in_stmt): Changed due to simple_iv change.
12793 2006-01-06 Jeff Law <law@redhat.com>
12796 * tree-cfg.c (bsi_replace): Rename final argument from
12797 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12798 change (stmt -> orig_stmt).
12799 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12800 (bsi_remove): Add new argument. Remove EH information
12802 (verify_eh_throw_table_statements): New function.
12803 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12805 * tree-optimize.c (execute_free_cfg_annotations): Verify
12806 the EH throw statement table after removing annotations.
12807 * except.h (verify_eh_throw_table_statements): Prototype.
12808 * tree-flow.h (bsi_remove): Update prototype.
12809 * tree-vrp.c (remove_range_assertions): Add new argument to
12811 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12812 * tree-complex.c (expand_complex_div_wide): Likewise.
12813 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12814 * tree-tailcall.c (eliminate_tailcall): Likewise.
12815 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12816 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12817 * tree-nrv.c (tree_nrv): Likewise.
12818 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12819 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12820 (combine_blocks): Likewise.
12821 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12822 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12823 (cleanup_control_flow): Likewise.
12824 (remove_forwarder_block): Likewise.
12825 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12826 * tree-sra.c (sra_replace): Likewise.
12827 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12828 (forward_propagate_single_use_vars): Likewise.
12829 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12830 * tree-inline.c (expand_call_inline): Likewise.
12831 * tree-vect-transform.c (vect_transform_loop): Likewise.
12832 * tree-outof-ssa.c (rewrite_trees): Likewise.
12833 * tree-cfg.c (make_goto_expr_edges): Likewise.
12834 (cleanup_dead_labels): Likewise.
12835 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12836 (bsi_move_before, bsi_move_after): Likewise.
12837 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12838 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12840 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12843 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12845 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12846 on non gimple variables. Also add checks at the top for decls and
12848 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12850 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12851 and IMAGPART_EXPR for creating MUST_DEFs.
12852 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12853 and NAME_MEMORY_TAG separately from the DECLs.
12855 2006-01-06 Richard Guenther <rguenther@suse.de>
12857 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12858 annotation, if necessary.
12859 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12860 redundant calls to update_stmt.
12861 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12864 2006-01-05 Richard Henderson <rth@redhat.com>
12866 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12868 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12870 * c-typeck.c: Update copyright date.
12872 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12874 * c-typeck.c (build_c_cast): Always warn when casting
12875 from a pointer to an integer of different size, even if
12876 the node was constant.
12878 2006-01-05 Richard Guenther <rguenther@suse.de>
12880 PR tree-optimization/22555
12881 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12882 if one structure field is an array.
12883 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12884 operands even if we found a subvar, but ignore VOPs in this
12886 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12888 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12890 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12892 PR middle-end/24998
12893 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12895 2006-01-05 Richard Guenther <rguenther@suse.de>
12896 Diego Novillo <dnovillo@redhat.com>
12898 * tree-pass.h (TODO_remove_unused_locals): Define.
12899 * gimple-low.c (expand_var_p, remove_useless_vars,
12900 pass_remove_useless_vars): Remove. Update all users.
12901 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12902 (remove_unused_locals): New function.
12903 * tree-flow.h (remove_unused_locals): Declare.
12904 * passes.c (execute_todo): Call remove_unused_locals if
12905 TODO_remove_unused_locals is set.
12906 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12907 * tree-ssa-dce.c (pass_dce): Likewise.
12908 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12910 2006-01-05 Richard Guenther <rguenther@suse.de>
12912 * tree-flow.h (struct fieldoff): Decompose field to
12913 type, size and decl.
12914 * tree-ssa-alias.c (create_sft): Take type as parameter.
12915 (create_overlap_variables_for): Store type, size and decl
12916 in the fieldoff structure.
12917 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12918 of struct fieldoff.
12919 (push_fields_onto_fieldstack): Likewise.
12920 (create_variable_info_for): Likewise. Use offset for the
12921 SFT name if the decl is not available.
12923 2006-01-04 Paul Brook <paul@codesourcery.com>
12925 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12927 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12929 * lambda-code.c (can_put_in_inner_loop): Relax
12931 (can_put_after_inner_loop): New function.
12932 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12933 (perfect_nestify): Change to make copies and modify uses.
12935 2006-01-04 Richard Henderson <rth@redhat.com>
12937 Merge from gomp branch:
12938 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12939 via integer constant.
12940 (pragma_lex): Remove.
12941 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12942 rather than parsing it.
12943 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12944 handle_pragma_extern_prefix): Add %< %> quotes.
12945 (registered_pragmas): New.
12946 (c_register_pragma_1): New.
12947 (c_register_pragma): Use it.
12948 (c_register_pragma_with_expansion): Likewise.
12949 (c_invoke_pragma_handler): New.
12950 (init_pragma): Use cpp_register_deferred_pragma directly for
12952 * c-pragma.h (enum pragma_kind): New.
12953 (pragma_handler): New.
12954 (c_invoke_pragma_handler): Declare.
12955 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12957 * c-common.h (c_common_pch_pragma): Update decl.
12958 * Makefile.in (c-parser.o): Update dependencies.
12959 (GTFILES): Add c-pragma.h.
12960 * c-parser.c (struct c_token): Add pragma_kind.
12961 (struct c_parser): Add in_pragma.
12962 (c_lex_one_token): Always initialize keyword and pragma_kind.
12963 Extract data for CPP_PRAGMA.
12964 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12965 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12966 Don't allow CPP_PRAGMA_EOL if in_pragma.
12967 (c_parser_consume_pragma): New.
12968 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12969 (c_parser_skip_to_end_of_parameter): Likewise.
12970 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12971 (c_parser_skip_to_pragma_eol): New.
12972 (c_parser_external_declaration): Handle CPP_PRAGMA.
12973 (c_parser_compound_statement_nostart): Likewise.
12974 (c_parser_statement_after_labels): Likewise.
12975 (c_parser_pragma): New.
12976 (pragma_lex): Likewise.
12977 (c_parser_pragma_pch_preprocess): New.
12978 (c_parser_new): Merge into ...
12979 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12981 2006-01-04 Jeff Law <law@redhat.com>
12984 * tree-cfg.c (bsi_replace): Remove the original statement
12985 from the EH throw statement table.
12987 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12989 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12990 make the prototype extern "C" and add throw ().
12993 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12994 and pos non-negative and pos + len <= 32.
12995 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12996 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12997 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13000 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13001 as well as sizes not multiple of component size.
13004 * function.c (instantiate_expr): New function.
13005 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13006 walk its DECL_VALUE_EXPR with instantiate_expr.
13008 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13009 DW_OP_deref{,_size} if address isn't going to be added.
13011 2006-01-04 Ben Elliston <bje@au.ibm.com>
13013 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13014 * config/fp-bit.c: Likewise.
13016 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13018 * dominance.c: Add comment about why we use DFS numbering
13021 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13022 Richard Henderson <rth@redhat.com>
13024 Merge from gomp-branch:
13025 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13026 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13028 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13030 PR rtl-optimization/25578
13031 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13032 pass a parameter to simplify_shift_const if changing ASHIFTRT
13035 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13037 * builtins.c (get_builtin_sync_mem): New function.
13038 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13039 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13040 Call get_builtin_sync_mem to generate mem rtx.
13042 2006-01-03 Richard Guenther <rguenther@suse.de>
13045 * stmt.c (add_case_node): Make sure to clear overflow flags
13048 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13050 Merge from gomp-branch.
13051 * config/sparc/sync.md: New file.
13052 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13053 UNSPECV_LDSTUB): New constants.
13054 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13055 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13056 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13059 2006-01-03 Roger Sayle <roger@eyesopen.com>
13061 * combine.c (reg_subword_p): New predicate to test whether the
13062 destination of a set refers to a subword/piece of a register.
13063 (try_combine): Generalize the code to merge the setting of a
13064 pseudo to a constant followed by a set of a subword of that
13065 register to a constant.
13067 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13069 * basic-block.h (control_flow_graph): Change the type of
13070 x_label_to_block_map to VEC(basic_block,gc) *.
13071 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13072 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13074 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13075 VEC(basic_block,heap) *.
13076 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13077 ssa_prop_fini): Adjust the uses of cfg_blocks.
13079 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13081 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13083 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13084 hashing trees instead of a pointer hash.
13085 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13086 compare for MEM_EXPR.
13088 PR rtl-optimization/25130
13089 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13090 when comparing MEMs for GCSE
13092 2006-01-03 Ben Elliston <bje@au.ibm.com>
13094 * targhooks.h (default_decimal_float_supported_p): Declare.
13095 * targhooks.c (default_decimal_float_supported_p): Define.
13096 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13097 `default_decimal_float_supported_p'.
13098 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13100 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13102 * combine.c (apply_distributive_law <SUBREG>): Check
13103 TRULY_NOOP_TRUNCATION.
13105 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13107 * dwarf2out.c (have_switched_text_section): Delete.
13108 (have_multiple_function_sections): New.
13109 (have_location_lists): Make 'bool'.
13110 (add_AT_loc_list): Use 'true' not '1'.
13111 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13112 (output_loc_list): Use have_multiple_function_sections.
13113 (output_ranges): Likewise.
13114 (dwarf2out_begin_function): Set have_multiple_function_sections if
13116 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13117 Check function_section rather than DECL_SECTION_NAME.
13118 (dwarf2out_finish): Use have_multiple_function_sections.
13119 Don't clear have_location_lists.
13121 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13122 Jan Hubicka <jh@suse.cz>
13124 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13125 case of conditional jump jumping to the next instruction.
13126 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13127 cases of conditional jump jumping to the next instruction.
13129 2006-01-02 Jan Hubicka <jh@suse.cz>
13131 * i386.c (*_cost): Add COSTS_N_INSNS.
13132 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13134 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13137 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13139 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13141 * config/arm/arm.c (all_fpus): Fix comment typo.
13142 * config/darwin.c: Likewise.
13143 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13144 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13145 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13147 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13149 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13150 (rs6000_split_compare_and_swapqhi): New.
13151 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13152 (sync_compare_and_swapqhi_internal): New.
13153 * config/rs6000/rs6000-protos.h: Declare.