1 2006-07-12 Eric Christopher <echristo@apple.com>
3 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4 (stmp-lipo): Depend on libgcc.a.
6 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8 * tree.c: Fix a comment typo.
10 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
12 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
14 (umulhisi3_r): Likewise.
16 2006-07-12 Paolo Carlini <pcarlini@suse.de>
19 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
20 x < 19, vs wchar_t support.
22 2006-07-12 Nick Clifton <nickc@redhat.com>
24 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
27 2006-07-12 Mike Stump <mrs@apple.com>
30 * c-parser.c (c_parser_typeof_specifier): Don't use
31 c_finish_expr_stmt, open code desired semantics instead.
33 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
35 2006-07-10 Eric Christopher <echristo@apple.com>
37 * config/t-slibgcc-darwin: Rewrite.
39 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
42 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
45 2006-07-08 Matthias Klose <doko@debian.org>
47 * doc/sourcebuild.texi: Fix typo.
49 2006-07-07 Mike Stump <mrs@apple.com>
51 * toplev.c (process_options): Don't give -ffunction-sections may
52 affect debugging warning for Mach-O.
54 2006-07-07 James E Wilson <wilson@specifix.com>
56 * config/mips/mips.md (cpu): Add sb1a.
57 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
58 addition to sb1. Adjust comments to clarify SB-1A differences from
60 (ir_sb1a_load): New. Modify bypasses to use it.
61 (ir_sb1a_simple_alu): Likewise.
62 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
63 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
64 (mips_issue_rate): Add PROCESSOR_SB1A.
65 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
66 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
67 (TARGET_SB1): Add PROCESSOR_SB1A check.
70 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
71 * config/mips/mips.c (mips_store_data_bypass_p): New.
72 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
75 2006-07-08 Paul Brook <paul@codesourcery.com>
78 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
80 2006-07-07 Richard Guenther <rguenther@suse.de>
83 * tree.h (build_one_cst): Declare.
84 * tree.c (build_one_cst): New function.
85 * tree-ssa-math-opts.c (get_constant_one): Remove.
86 (insert_reciprocals): Use build_one_cst.
87 * fold-const.c (fold_plusminus_mult): Likewise.
89 2006-07-07 Roger Sayle <roger@eyesopen.com>
91 * pointer-set.c (pointer_set_destroy): Correct whitespace.
92 * cfgloopanal.c (dump_graph): Likewise.
93 * dojump.c (discard_pending_stack_adjust): Likewise.
94 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
96 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
97 * function.c (finalize_block_changes): Likewise.
98 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
99 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
100 * rtl.c (dump_rtx_statistics): Likewise.
101 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
103 * varray.c (dump_varray_statistics): Likewise.
104 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
105 decode_decimal64, encode_decimal128, decode_decimal128,
106 decimal_real_to_decimal): Likewise.
108 2006-07-07 Richard Guenther <rguenther@suse.de>
110 PR tree-optimization/28187
111 * tree-vrp.c (vrp_operand_equal_p): New function.
112 (vrp_bitmap_equal_p): Likewise.
113 (update_value_range): Use them to compare old and new
116 2006-07-06 Roger Sayle <roger@eyesopen.com>
118 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
119 a default case to switch statement to silence compiler warnings.
121 2006-07-06 Roger Sayle <roger@eyesopen.com>
124 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
125 the configured assembler supports the x87's ffreep mnemonic.
126 * configure: Regenerate.
127 * config.in: Regenerate.
129 * config/i386/i386.c (output_387_ffreep): New function.
130 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
131 (output_387_reg_move): Likewise.
133 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
135 Port to hosts whose 'sort' and 'tail' implementations
136 treat operands with leading '+' as file names, as POSIX
137 has required since 2001. However, make sure the code still
138 works on pre-POSIX hosts.
139 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
140 which says you should use "tail -c +N" rather than "tail +Nc".
141 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
143 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
145 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
148 2006-07-06 David Edelsohn <edelsohn@gnu.org>
151 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
152 PRE_{INC,DEC} of TFmode.
154 2006-07-06 David Edelsohn <edelsohn@gnu.org>
155 Alan Modra <amodra@bigpond.net.au>
158 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
161 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
164 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
165 Remove duplicate gtu.
167 2006-07-05 Jason Merrill <jason@redhat.com>
171 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
172 * c-common.c (handle_packed_attribute): So don't copy it here.
173 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
175 2006-07-05 Mike Stump <mrs@apple.com>
177 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
179 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
182 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
184 2006-07-05 Richard Guenther <rguenther@suse.de>
187 * config/i386/i386.md (*negdf2_1): Restrict pattern to
188 TARGET_SSE2 targets if using SSE math.
189 (*absdf2_1): Likewise.
191 2006-07-05 Richard Guenther <rguenther@suse.de>
193 PR tree-optimization/28162
194 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
195 make sure to convert the operands to the correct type.
197 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
199 PR tree-optimization/28218
201 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
202 to calculate and free the dominator information.
204 2006-07-04 Peter O'Gorman <peter@pogma.com>
206 * mklibgcc.in: chmod 644 before ranlib during install.
208 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
209 J"orn Rennecke <joern.rennecke@st.com>
211 * configure.ac (.eh_frame data check): Use diff -b.
213 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
216 * Makefile.in (BUILD_RTL): Add build/vec.o.
217 (build/gencondmd.o): Filter out -fkeep-inline-functions.
218 (build/genextract): Delete.
219 (build/genautomata): Likewise.
221 2006-07-04 Alan Modra <amodra@bigpond.net.au>
224 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
225 128-bit IBM long doubles for ABI_V4.
227 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
229 * tree.c (range_in_array_bounds_p): New predicate.
230 * tree.h (range_in_array_bounds_p): Declare it.
231 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
232 return a less conservative answer.
233 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
235 (IS_ELEMENT_FOR_GROUP): New macro.
236 (FOR_EACH_ACTUAL_CHILD): Likewise.
237 (next_child_for_group): New helper function.
238 (can_completely_scalarize_p): Take into account groups.
239 (sra_hash_tree): Handle RANGE_EXPR.
240 (sra_elt_eq): Likewise.
241 (lookup_element): Be prepared for handling groups.
242 (is_valid_const_index): Delete.
243 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
244 instead of is_valid_const_index.
245 <ARRAY_RANGE_REF>: New case.
246 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
247 is_valid_const_index.
248 <ARRAY_RANGE_REF>: Do not unconditionally punt.
249 (scan_dump): Dump info for groups too.
250 (decide_instantiation_1): Likewise.
251 (decide_block_copy): Assert that the element is not a group.
252 Propagate decision to groups.
253 (generate_one_element_ref): Handle RANGE_EXPR.
254 (mark_no_warning): Iterate over actual childs.
255 (generate_copy_inout): Likewise.
256 (generate_element_copy): Likewise.
257 (generate_element_zero): Likewise.
258 (generate_element_init_1): Likewise.
259 (dump_sra_elt_name): Handle RANGE_EXPR.
261 2006-07-03 Roger Sayle <roger@eyesopen.com>
263 PR tree-optimization/26251
264 * tree-ssa-threadupdate.c (redirection_block_p): New function.
265 (thread_block): When optimizing for size refuse to thread jumps
266 that would require duplication of blocks other than redirection
269 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
271 * configure.ac: Fix thinko in previous check-in.
272 * configure: Regenerate.
274 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
277 * configure.ac (for lang...): Simplify nesting of conditionals.
278 Test subdir_requires for non-enabled languages. Move processing
279 of lang_opt_files and lang_tree_fiels below that test.
280 * configure: Regenerate.
281 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
283 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
285 * doc/gcov.texi (Invoking Gcov): Add a missing word.
287 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
289 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
292 2006-06-29 Jason Merrill <jason@redhat.com>
299 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
300 * c-common.c (c_determine_visibility): Handle it here.
301 * c-decl.c (finish_decl): Call c_determine_visibility for
303 * flags.h (enum symbol_visibility): Sort from most to least visibility.
305 * varasm.c (default_assemble_visibility): Likewise.
306 * c-common.c (handle_visibility_attribute): Complain about trying
307 to give visibility to an already defined class, or trying to change
308 declared visibility. Always attach the attribute.
313 * attribs.c (decl_attributes): Ignore type-in-place attributes
314 once the type has been defined.
316 2006-06-29 Roger Sayle <roger@eyesopen.com>
319 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
320 to indicate the cpplib has issued an error message for us.
322 2006-06-29 Asher Langton <langton2@llnl.gov>
325 * config/i386/i386.c (ix86_output_function_epilogue): Don't
326 insert a label at the end of an function under Mach-O.
328 2006-06-29 Eric Christopher <echristo@apple.com>
329 Evan Cheng <evan.cheng@apple.com>
331 * predicates.md (vector_all_ones_operand): New.
332 (nonimmediate_or_sse_const_operand): Ditto.
333 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
334 * config/i386/i386.c (standard_sse_constant_opcode): Define.
335 (standard_sse_mode_p): Ditto.
336 (standard_sse_constant_p): Add case for -1 vector.
337 (ix86_expand_vector_move): Try to use.
338 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
339 Call standard_sse_constant_opcode.
340 (*movv4sf_internal): Ditto.
341 (*movv2df_internal): Ditto.
343 2006-06-29 Roger Sayle <roger@eyesopen.com>
345 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
346 of XEXP to extract the operands of a MATCH_CODE rtx.
348 2006-06-28 Andrew Pinski <pinskia@gmail.com>
350 * tree.c (tree_size): Do not waste tail padding in
351 struct tree_string and make the size be the same as
352 build_string will generate.
354 2006-06-28 Jason Merrill <jason@redhat.com>
357 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
358 may_aliases already in the tag's annotations to the bitmap.
360 2006-06-28 Roger Sayle <roger@eyesopen.com>
362 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
364 2006-06-28 Roger Sayle <roger@eyesopen.com>
366 * genpreds.c (generate_switch_p): New function.
367 (add_mode_tests): Push the new mode test down inside an AND expr
368 if this allows the switch-suitable MATCH_CODE to be near the root.
369 (write_match_code_switch): New function to write a MATCH_CODE as
371 (write_predicate_stmts): New function to write a predicate RTX
372 expression as a sequence of statements.
373 (write_one_predicate_function): Use write_predicate_stmts.
374 (write_tm_constrs_h): Likewise.
376 2006-06-26 Fred Fish <fnf@specifix.com>
378 * config/mips/t-sb1: New file.
379 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
382 2006-06-26 DJ Delorie <dj@redhat.com>
384 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
386 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
387 Jayant Sonar <jayants@kpitcummins.com>
388 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
390 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
391 (subsi3, subsi3_1, subsi3_2): New.
392 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
393 * config/m32c/mov.md (SI mov peephole): New.
394 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
395 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
397 2006-06-26 Olivier Hainque <hainque@adacore.com>
399 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
400 a CALL_EXPR target function declaration.
402 2006-06-26 Richard Guenther <rguenther@suse.de>
404 * tree.c (build_string): Do not waste tail padding in
407 2006-06-26 Richard Guenther <rguenther@suse.de>
409 * ggc-page.c (init_ggc): Add missing element to size_lookup
413 2006-06-23 Richard Guenther <rguenther@suse.de>
415 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
416 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
417 alignment requests instead. Add verification code.
418 Add struct tree_function_decl and struct tree_binfo size to
419 extra_order_size_table. Add missing element to size_lookup
422 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
425 * fold-const.c (const_binop): Be prepared for self returning zero.
426 Simplify code handling complex values.
428 2006-06-24 Olivier Hainque <hainque@adacore.com>
430 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
431 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
434 2006-06-24 Olivier Hainque <hainque@adacore.com>
436 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
437 ARRAY_REF, so have the callback called for the low bound expression.
439 2006-06-23 Janis Johnson <janis187@us.ibm.com>
441 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
442 * c-typeck.c (c_common_type): Disallow operations on decimal float
443 types and other float types.
444 * convert.c (convert_to_real): Don't ignore conversions involving
447 2006-06-23 Olivier Hainque <hainque@adacore.com>
449 * tree.c (max_int_size_in_bytes): New function, inspired from
450 code in function.c:assign_temp.
451 * tree.h (max_int_size_in_bytes): Declare.
452 * function.c (assign_temp): Use it.
453 * gimplify.c (create_tmp_var): Relax the assertions on the type
454 properties, not mandating constant size any more.
455 (force_constant_size): New static function.
456 (gimple_add_tmp_var): Use it, forcing variable size to a
457 constant upper bound if it is not constant on entry.
459 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
462 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
463 for initialization and setting of one_only flag to ...
464 (i386_pe_encode_section_info): ...here.
465 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
466 Recheck that the symbol has not been defined.
468 2006-06-23 Richard Guenther <rguenther@suse.de>
470 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
471 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
472 alignment requests instead. Add verification code.
473 Add struct tree_function_decl and struct tree_binfo size to
474 extra_order_size_table. Add missing element to size_lookup
477 2006-06-22 Roger Sayle <roger@eyesopen.com>
478 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
481 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
482 call to lang_hooks.types.type_for_mode returned NULL_TREE.
484 2006-06-23 Ben Elliston <bje@au.ibm.com>
486 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
487 negate dn -- manipulate it directly.
489 2006-06-22 Roger Sayle <roger@eyesopen.com>
490 Steven Bosscher <stevenb.gcc@gmail.com>
493 * reload1.c (gen_reload): Call mark_jump_label on the new insns
494 generated by gen_move_insn to add REG_LABEL notes if necessary.
496 2006-06-22 Bob Wilson <bob.wilson@acm.org>
498 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
499 (leaf_entry): Remove use of MIN_ESA.
501 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
503 PR rtl-optimization/28121
504 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
507 2006-06-21 DJ Delorie <dj@redhat.com>
509 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
511 (mulhisi3_r): Likewise.
513 2006-06-21 Richard Sandiford <richard@codesourcery.com>
516 * coverage.c (coverage_counter_alloc): Leave the index type
518 (coverage_counter_alloc): Use null arguments for operands 2 and 3
521 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
523 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
524 section from the "Options for Code Generation Conventions".
526 2006-06-21 Richard Henderson <rth@redhat.com>
530 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
532 (global_symbolic_operand): Allow weak symbols, even if local_p.
534 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
536 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
537 (find_interesting_uses_address): Punt if above function returns true.
539 2006-06-21 Richard Guenther <rguenther@suse.de>
541 * configure: Regenerated.
543 2006-06-21 Joseph Myers <joseph@codesourcery.com>
545 * config/mips/mips.c (function_arg): Where one part of a
546 complex argument is in registers and the other part in the stack,
547 return a REG not a PARALLEL.
549 2006-06-21 Mark Mitchell <mark@codesourcery.com>
551 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
552 when cross-compiling. Do not substitute libstdcxx_incdir.
553 * configure: Regenerated.
555 2006-06-21 Jakub Jelinek <jakub@redhat.com>
557 * varasm.c (mergeable_string_section): Check for embedded NULs and
558 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
559 rather than TREE_STRING_LENGTH bytes.
561 2006-06-21 Richard Guenther <rguenther@suse.de>
563 * ggc-page.c (extra_order_size_table): Add var_ann_d,
564 tree_ssa_name, bitmap_element and phi_node with 4 arguments
567 2006-06-21 Richrad Guenther <rguenther@suse.de>
569 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
570 Limit iteration over the dominators.
572 2006-06-20 Roger Sayle <roger@eyesopen.com>
574 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
575 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
577 2006-06-20 Richard Guenther <rguenther@suse.de>
578 Michael Matz <matz@suse.de>
580 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
582 * alloc-pool.c (free_alloc_pool_if_empty): New function.
583 * et-forest.h (et_free_pools): Prototype new function.
584 * et-forest.c (et_free_tree_force): Free parent occurrence.
585 (et_free_pools): New function.
586 * dominance.c (free_dominance_info): Free et-forest alloc
589 2006-06-20 Roger Sayle <roger@eyesopen.com>
591 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
592 integer modes, attempt to directly construct an integer constant.
594 * fold-const.c (native_encode_vector): Determine the size of each
595 element from the vector type instead of the first vector element.
597 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
598 if all of its elements/components are constant.
599 (build_constructor_from_list): Likewise.
601 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
603 PR tree-optimization/27331
604 * tree-data-ref.c (free_data_ref): New function.
605 (create_data_ref): Fail if the data reference has unknown access
607 (free_data_refs): Use free_data_ref.
609 2006-06-19 Andrew Pinski <pinskia@gmail.com>
612 * tree-inline.c (setup_one_parameter): Strip useless
613 type conversion before adding it to the IR.
614 (declare_return_variable): Likewise.
616 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
619 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
621 2006-06-19 Mike Stump <mrs@apple.com>
623 * tree.c (variably_modified_type_p): VM arguments don't make the
626 2006-06-19 Richard Guenther <rguenther@suse.de>
628 * tree-ssa-pre.c (try_combine_conversion): Strip useless
629 type conversions after folding.
631 2006-06-19 Richard Guenther <rguenther@suse.de>
633 * ggc-page.c (extra_order_size_tab): Add entries with
634 size of struct function and basic_block.
635 (size_lookup): Extend to cover sizes up to 511.
636 (ggc_alloc_stat): Adjust user.
637 (ggc_pch_count_object): Likewise.
638 (ggc_pch_alloc_object): Likewise.
639 (ggc_pch_write_object): Likewise.
641 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
643 * tree-ssa-loop-niter.c (implies_ge_p): New function.
644 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
647 2006-06-19 Denis Chertykov <denisc@overta.ru>
649 * config/avr/libgcc.S : Correct my wrong previous commit.
651 2006-06-19 Roger Sayle <roger@eyesopen.com>
654 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
655 have stripped a SUBREG from the shift count, so we may need to
656 convert_to_mode back to the type's mode before calling make_tree.
657 Use new_amount instead of amount to avoid expanding a tree twice.
659 2006-06-19 Richard Guenther <rguenther@suse.de>
662 * fold-const.c (operand_equal_p): Check if the argument types
663 have the same precision before stripping NOPs.
665 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
667 Fix PR tree-optimization/27341
668 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
670 * tree-complex.c (pass_lower_complex): Update SMT usage.
672 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
674 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
675 Add a new alternative to the constraint strings. Add move of
676 operand 1 to 3 to the splitter definition.
677 ("doloop_si_long"): Second contraint alternative removed.
679 2006-06-08 Anatoly Sokolov <aesok@post.ru>
681 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
682 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
684 (AVR_HAVE_MOVW) Define.
685 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
686 (ASM_SPEC): Add avr25.
687 (LINK_SPEC): Add avr25.
688 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
689 (base_arch_s): Add new member 'have_movw_lpmx'.
690 (avr_arch_types): Init 'have_movw_lpmx'.
691 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
692 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
693 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
694 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
695 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
697 (avr_file_start): Do not output '.arh' derective.
698 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
699 (__do_copy_data): Use __AVR_HAVE_LPMX__.
700 * config/avr/avr.md (mcu_enhanced): Delete.
701 (mcu_have_movw): Define.
702 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
703 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
704 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
705 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
706 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
707 attiny861 and at86rf401 devices.
709 2006-06-18 Jie Zhang <jie.zhang@analog.com>
711 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
714 2006-06-17 Karl Berry <karl@gnu.org>
716 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
717 doc/gccint.texi, doc/install.texi (@dircategory): Use
718 "Software development" instead of "Programming", following
719 the Free Software Directory.
721 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
723 * config/i386/i386.c (legitimate_tls_address)
724 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
725 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
726 (*tls_dynamic_gnu2_combine_64): Likewise.
728 2006-06-16 Richard Guenther <rguenther@suse.de>
731 * fold-const.c (negate_expr_p): Do not introduce undefined
732 overflow in negating INTEGER_CSTs.
733 (fold_negate_expr): Rename from negate_expr. Revert last
734 change for folding BIT_NOT_EXPR. Change semantics to
735 return NULL_TREE for non-simplified negations. Do not
736 strip type conversions and unify type handling.
737 (negate_expr): New function, wrap around fold_negate_expr
738 but ensure building a tree always. Strip type conversions
739 here, fold to result type.
740 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
742 2006-06-16 Roger Sayle <roger@eyesopen.com>
745 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
746 that (would) return their results in stack registers.
748 2006-06-16 Michael Matz <matz@suse.de>
749 Richard Guenther <rguenther@suse.de>
751 * fold-const.c (fold_truthop): Only return new tree node if
752 we canonicalized something.
754 2006-06-16 Richard Guenther <rguenther@suse.de>
756 * function.h (enum function_frequency): Move declaration
757 out of struct function.
758 (struct function): Move bool fields and the enum to the bitfield
759 section. Reorder elements to avoid padding. Remove unused
760 fields left over from the RTL inliner removal.
761 * function.c (free_after_compilation): Do not zero removed fields.
762 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
763 (ipa-type-escape.o): Likewise.
765 2006-06-16 Richard Guenther <rguenther@suse.de>
767 * cgraph.h (struct cgraph_local_info): Turn bool elements
769 (struct cgraph_node): Likewise.
770 (struct cgraph_varpool_node): Likewise.
772 2006-06-15 Richard Guenther <rguenther@suse.de>
774 * fold-const.c (fold_truth_not_expr): Rename from
775 invert_truthvalue. Give it fold_* semantics to avoid
777 (invert_truthvalue): New function. Wrapper around
779 (optimize_minmax_comparison): Avoid creating garbage.
780 (fold_unary): Use fold_truth_not_expr for folding
782 (fold_ternary): Replace uses of invert_truthvalue with
783 fold_truth_not_expr where applicable.
784 * tree.h (fold_truth_not_expr): Prototype.
786 2006-06-16 Richard Guenther <rguenther@suse.de>
788 PR tree-optimization/27781
789 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
790 * ipa-pure-const.c (target.h): Include.
791 (analyze_function): Do not analyze functions that do not
794 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
797 * tree-dfa.c (referenced_vars_dup_list): Remove.
798 (find_referenced_vars): Remove assert.
799 (referenced_var_check_and_insert): Replace dup list with assert.
800 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
801 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
803 2006-06-15 Richard Guenther <rguenther@suse.de>
805 * tree-ssa-structalias.c (alias_get_name): Avoid creating
806 extra unused identifiers if not dumping.
807 (create_variable_info_for): Likewise.
809 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
811 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
812 (derive_constant_upper_bound): Derive more precise upper bound in
813 common cases. Return type changed to double_int.
814 (record_estimate): Reflect the changed return type of
815 derive_constant_upper_bound.
816 * double-int.c (double_int_zext, double_int_sext): Fix.
818 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
820 * configure.ac (CFLAGS): Get them from the toplevel or from the
821 configure invocation.
822 * configure: Regenerate.
823 * Makefile.in (CFLAGS): Substitute value provided by configure.
825 2006-06-14 Mark Mitchell <mark@codesourcery.com>
828 * c-common.h (c_finish_omp_atomic): Adjust declaration.
829 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
830 rather than calling add_stmt on it.
831 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
833 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
836 * reload1.c (reload): Remove registers returned by update_eliminables
837 from used_spill_regs.
839 2006-06-13 DJ Delorie <dj@redhat.com>
841 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
843 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
845 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
846 html__strip_dir, html__mkdir_p. Enhance install-html target.
847 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
848 * configure: Regenerate.
850 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
852 * fold-const.c (fold_cond_expr_with_comparison): Check for
853 Objective-C++ as language in deciding COND_EXPR transformation.
855 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
858 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
859 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
860 * config/sh/lib1funcs.h (SL, SL1): Define.
861 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
862 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
863 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
864 (OBJS_Os_4_200): New variable.
865 ($(T)libgcc-Os-4-200.a): Use it.
866 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
867 when dividing 1 and/or by 0.
869 2006-06-13 Roger Sayle <roger@eyesopen.com>
871 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
872 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
873 * configure: Regenerate.
875 2006-06-13 Jie Zhang <jie.zhang@analog.com>
877 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
878 for real instruction.
880 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
883 * haifa-sched.c (check_cfg): Handle special case.
885 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
888 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
889 Add debug_info parameter. Chain the vars to the BLOCK instead
890 of the BIND_EXPR if debug info are requested for them.
891 (pop_gimplify_context): Adjust for above change.
892 (gimple_add_tmp_var): Likewise.
893 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
895 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
896 (convert_local_reference): Likewise.
897 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
898 (finalize_nesting_tree_1): Request that debug info be emitted
901 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
903 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
906 2006-06-13 Richard Guenther <rguenther@suse.de>
909 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
911 2006-06-13 Richard Guenther <rguenther@suse.de>
913 PR tree-optimization/27830
914 * tree-inline.c (copy_body_r): For copying the operand
915 of an ADDR_EXPR make sure to fold &* afterwards.
917 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
919 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
920 lvalues in the fb_none case with side-effects.
922 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
924 * tree-flow.h: Remove the prototype for
925 compute_phi_arg_on_exit.
926 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
927 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
930 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
932 * builtins.c (expand_builtin_return_addr): Only use
933 frame_pointer_rtx when count == 0 and we are expanding
934 __builtin_return_address.
936 2006-06-12 Fred Fish <fnf@specifix.com>
938 * config/mips/mips.c (mips_file_start): Create special section
939 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
941 2006-06-11 Eric Christopher <echristo@apple.com>
944 * stor-layout.c (place_field): Remove check for
945 remaining_in_alignment when aligning at the end of a run.
947 2006-06-11 Eric Christopher <echristo@apple.com>
950 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
953 2006-06-11 Roger Sayle <roger@eyesopen.com>
956 Revert incorrect fix for PR target/27158
957 2006-05-08 Roger Sayle <roger@eyesopen.com>
958 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
959 of a reg_equiv_constant if the result is a legitimate constant.
961 2006-06-11 Roger Sayle <roger@eyesopen.com>
964 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
965 extract a CONST_VECTOR element and interpret it as an integer.
966 (vspltis_constant): Use const_vector_elt_as_int instead of the
967 macro CONST_VECTOR_ELT in order to handle FP vector modes.
968 * config/rs6000/predicates.md (easy_vector_const): Consider
969 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
971 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
974 * stor-layout.c (update_alignment_for_field): Don't add extra
975 alignment for packed non-bitfield fields in ms_bitfield_layout_p
978 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
980 * config/mips/t-rtems: Add EL/EB multilib variants.
982 2006-06-09 Mike Stump <mrs@apple.com>
984 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
986 2006-06-09 David Daney <ddaney@avtrex.com>
988 * doc/install.texi: Add binutils version recommendation for mips-*-*.
990 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
992 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
994 2006-06-09 Richard Guenther <rguenther@suse.de>
996 PR tree-optimization/26998
997 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
998 of signed types, only TYPE_MIN_VALUE is special, but for both,
999 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1000 in this case, as is -fwrapv.
1002 2006-06-08 Mike Stump <mrs@apple.com>
1005 * config/darwin.c (darwin_asm_output_anchor): Disable
1006 -fsection-anchors on darwin for now.
1007 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1008 * rs6000/rs6000.c (optimization_options): Likewise.
1010 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1013 * config/i386/i386.c (classify_argument): Skip fields with invalid
1016 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1018 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1019 (cse_insn): Likewise for the stack_pointer_rtx.
1021 2006-06-08 Roger Sayle <roger@eyesopen.com>
1023 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1024 conditions from floating point comparisons.
1026 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1029 * expmed.c (struct alg_hash_entry): Fix type of field T
1030 to match synth_mult argument.
1031 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1033 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1036 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1039 2006-06-08 Richard Guenther <rguenther@suse.de>
1042 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1043 only, if overflow is defined and not trapping.
1044 (negate_expr): Likewise.
1046 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1048 PR tree-optimization/27872
1049 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1050 flag on the new exit edge of the unrolled loop.
1052 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1054 PR rtl-optimization/26449
1055 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1057 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1060 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1061 referenced_variables with matching DECL_UID's.
1062 (find_referenced_vars): Make sure duplicate list is empty to start.
1063 (referenced_var_p): Remove.
1064 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1065 Check if var is in the list, and add if needed. Update the duplicate
1066 list if a different var is in the list with the same DECL_UID.
1067 (add_referenced_var): Call routine to check and insert.
1068 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1069 * tree-flow.h (referenced_vars_dup_list): External declaration.
1071 2006-06-07 Fred Fish <fnf@specifix.com>
1073 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1076 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1079 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1080 the imaginary and real parts of a clobbered register.
1081 Emit insn to set the imaginary part.
1083 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1085 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1086 in lieu of unwind-dw2-fde.c.
1088 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1090 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1092 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1095 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1096 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1097 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1098 V4SImode temporaries and operations instead.
1100 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1102 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1105 2006-06-06 Mike Stump <mrs@apple.com>
1107 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1108 installing during build.
1110 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1112 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1114 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1115 * config/ia64/ia64.c (params.h): New header.
1116 (ia64_optimization_options): New function to adjust parameters.
1117 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1118 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1119 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1121 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1123 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1125 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1128 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1130 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1131 Victor Kaplansky <victork@il.ibm.com>
1133 PR tree-optimization/26360
1134 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1137 2006-06-04 Roger Sayle <roger@eyesopen.com>
1138 Andrew Pinski <pinskia@physics.uc.edu>
1141 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1142 for LABEL_DECL before calling DECL_WEAK.
1145 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1146 LABEL_DECL and PARM_DECL.
1148 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1152 * c-decl.c (grokdeclarator): Disallow variably modified types at
1153 file scope. Avoid marking shared array type of constant size as
1156 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1159 * c-common.c (fold_offsetof_1): Handle static members.
1161 2006-06-04 Eric Christopher <echristo@apple.com>
1163 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1164 (debug_rli): Output value for remaining_in_alignment.
1165 (update_alignment_for_field): Unconditionalize
1166 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1167 extra alignment code.
1168 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1169 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1170 * tree.h (record_layout_info_s): Remove prev_packed.
1171 * doc/extend.texi (ms_struct): Add documentation of format.
1173 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1175 * tree.h: Declare folding_initializer.
1176 * builtins.c (fold_builtin_constant_p): Give definite answer
1177 if folding inside an initializer.
1178 * fold-const.c: Define folding_initializer.
1179 (START_FOLD_INIT): Save and then set folding_initializer.
1180 (END_FOLD_INIT): Restore folding_initializer.
1182 2006-06-04 Richard Guenther <rguenther@suse.de>
1184 PR tree-optimization/27039
1185 * fold-const.c (fold_comparison): Handle pointer comparison
1186 again for all comparison codes. Compare offsets in signed
1188 (fold_binary): Move code from here.
1190 2006-06-03 Roger Sayle <roger@eyesopen.com>
1193 * config/i386/i386.c (construct_container): Split static issued_error
1194 flag into issued_sse_arg_error, issued_sse_ret_error and
1195 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1196 requires the use of x87 registers and the user explicitly
1197 specified the -mno-80387 command line option.
1199 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1201 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1202 HAVE_DECL_SIGALTSTACK.
1204 (segv_handler): Use MC_FLD.
1205 * configure.ac: Check for a sigaltstack declaration.
1206 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1207 * configure: Regenerate.
1208 * config.in: Regenerate.
1210 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1213 * Makefile.in (stmp-fixinc): Fix typo.
1215 2006-06-02 Roger Sayle <roger@eyesopen.com>
1217 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1218 are type correct. Clean-up.
1219 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1220 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1222 2006-06-01 DJ Delorie <dj@redhat.com>
1224 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1225 shift, as we've disabled the "switch" insn that needs it.
1227 2006-06-01 Per Bothner <bothner@bothner.com>
1229 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1230 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1231 * c-ppoutput.c (cb_define): Don't increment line 0.
1233 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1235 * doc/invoke.texi: Add cpu_type power6.
1236 * config.gcc: Add cpu_type power6.
1237 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1238 to power5+ with Altivec.
1239 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1240 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1242 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1244 * config/avr/avr.h (SET_ASM_OP): Define.
1246 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1248 * config/bfin/bfin.c: Fix comment typos.
1250 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1253 * doc/install.texi: Document --enable-bootstrap and
1254 --disable-bootstrap.
1256 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1258 * doc/install.texi: Document that InfoZIP can replace jar.
1260 2006-05-31 Roger Sayle <roger@eyesopen.com>
1262 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1263 isn't available, directly generate the simpler x87 patterns without
1264 the (use (const_int 0)).
1265 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1266 implementation isn't available.
1267 (*negdf2_1): Likewise.
1268 (*negxf2_1): XF mode negation is always done using the x87.
1269 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1271 2006-05-31 Roger Sayle <roger@eyesopen.com>
1273 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1274 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1276 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1278 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1280 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1281 * config/bfin/bfin.c (basic-block.h): Include.
1282 (struct machine_function): New.
1283 (bfin_init_machine_status): New.
1284 (override_options): Initialize init_machine_status.
1285 (bfin_hardware_loop): New.
1286 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1287 (DEF_VEC_P (loop_info)): New.
1288 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1289 (struct loop_info): New.
1290 (loop_info): New typedef.
1291 (struct loop_work): New.
1292 (loop_work): New typedef.
1293 (DEF_VEC_O (loop_work)): New.
1294 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1295 (bfin_dump_loops): New.
1296 (bfin_bb_in_loop): New.
1297 (bfin_scan_loop): New.
1298 (bfin_optimize_loop): New.
1299 (bfin_reorg_loops): New.
1300 (bfin_reorg): Use bfin_reorg_loops.
1301 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1303 (I_REGNO_P): Simplify.
1304 (DP_REGNO_P, DPREG_P): New macros.
1305 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1306 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1307 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1308 Add LT_REGS, LC_REGS, LB_REGS.
1309 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1311 (REGNO_REG_CLASS): Deal with loop registers.
1312 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1314 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1315 New constants for loop registers.
1316 (UNSPEC_LSETUP_END): New.
1317 (seq_insns): New define_attr. Set it for appropriate insns.
1318 (movsi_insn): Add alternatives for move from/to
1319 loop count registers.
1320 (doloop_end): New define_expand.
1321 (loop_end): New define_insn.
1322 (define_split for bad doloop_end): New.
1323 (lsetup_with_autoinit): New define_insn.
1324 (lsetup_without_autoinit): New define_insn.
1325 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1326 * config/bfin/predicates.md (lc_register_operand): New.
1327 (lt_register_operand): New.
1328 (lb_register_operand): New.
1329 (nondp_register_operand): New.
1330 (nondp_reg_or_memory_operand): New.
1331 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1333 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1335 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1336 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1338 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1340 * Makefile.in (CATALOGS): Add po/ prefix.
1341 * configure: Regenerated.
1343 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1346 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1347 a shift operand before calling shift_op. Avoid redundant call of
1350 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1351 DJ Delorie <dj@redhat.com>
1353 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1354 we're inserting is a singlt-bit constant.
1356 2006-05-30 Roger Sayle <roger@eyesopen.com>
1358 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1359 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1361 2006-05-30 Roger Sayle <roger@eyesopen.com>
1363 PR tree-optimization/23452
1364 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1365 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1366 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1367 complex values and with -ffast-math for FP complex values.
1369 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1371 * c-common.h: Remove the prototype for yyparse.
1372 * rtl.h: Remove the prototype for init_loop.
1374 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1376 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1379 2006-05-30 Roger Sayle <roger@eyesopen.com>
1381 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1383 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1384 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1386 2006-05-30 Dirk Mueller <dmueller@suse.de>
1389 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1390 for CONSTANT_CLASS_P expresisons.
1392 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1395 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1397 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1399 PR tree-optimization/27779
1400 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1401 initial_condition instead of CHREC_LEFT.
1403 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1405 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1406 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1407 Make prototypes ISO C90.
1409 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1410 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1412 * see.c (see_analyze_one_def): Correct check.
1413 (see_get_extension_data): Check if extension is parallel.
1414 (see_get_extension_reg): Likewise.
1416 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1419 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1420 into register for (code == GTU).
1422 2006-05-29 Roger Sayle <roger@eyesopen.com>
1424 PR tree-optimization/24964
1425 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1426 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1427 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1428 abs(x)*abs(x) as x*x for scalar floating point modes.
1430 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1433 * lambda-code.c (perfect_nestify): Don't copy statements
1434 in the inner loop: move them to the inner loop header.
1436 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1439 * c-tree.texi: Document OpenMP directives and clauses.
1441 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1443 * varasm.c (globalize_decl): Fix indentation.
1445 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1448 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1449 pass_fre, pass_store_ccp, pass_copy_prop,
1450 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1451 pass_return_slot, pass_object_size, pass_lim,
1452 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1453 pass_loop_prefetch and pass_stdarg.
1455 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1457 * config/bfin/bfin.opt (mfdpic): New option.
1458 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1459 (EXTRA_MULTILIB_PARTS): Likewise.
1460 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1461 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1463 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1464 (CRT_CALL_STATIC_FUNCTION): New.
1465 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1467 (CRT_CALL_STATIC_FUNCTION): New.
1468 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1470 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1471 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1472 (initialize_trampoline): Changed to handle FD-PIC code generation.
1473 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1474 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1475 (override_options): Disallow -mid-shared-library -mfdpic combination.
1476 Can't do unaligned ops if FD-PIC.
1477 Turn off flag_pic if trying to generate non-id-shared-library
1478 non-fdpic code, since it's not supported.
1479 (bfin_assemble_integer): New function.
1480 (TARGET_ASM_INTEGER): Define.
1481 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1483 * config/bfin/crtn.s: Restore them.
1484 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1486 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1487 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1488 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1489 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1490 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1492 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1493 FDPIC_REGS and FDPIC_FPTR_REGS.
1494 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1495 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1496 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1497 (load_funcdescsi): New pattern.
1498 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1499 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1500 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1502 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1504 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1507 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1509 * tree-flow.h: Remove the prototype for add_type_alias.
1510 * tree-ssa-alias.c (add_type_alias): Remove.
1512 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1514 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1515 config/fr30/fr30.md, config/i386/i386-interix.h,
1516 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1517 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1518 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1519 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1520 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1521 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1522 Follow spelling conventions.
1523 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1524 Follow spelling conventions.
1526 2006-05-27 Richard Guenther <rguenther@suse.de>
1529 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1530 to produce a constant of value 1 of generic type.
1532 2006-05-27 Dirk Mueller <dmueller@suse.de>
1534 * cgraphunit.c (decide_is_function_needed): Fix wrong
1537 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1539 PR rtl-optimization/27661
1540 * reload.c (find_reloads): When reloading a VOIDmode constant
1541 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1542 use Pmode as mode of the reload register.
1544 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1546 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1547 is enabled at -O and above.
1549 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1552 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1555 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1558 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1559 for anonymous variables explicitly declared by front ends.
1561 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1563 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1564 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1565 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1566 ref-all pointers, run a finalization pass for them.
1567 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1568 (finalize_ref_all_pointers): New function.
1569 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1570 regular pointer type to a ref-all pointer type.
1571 (get_tmt_for): Return the special memory tag for ref-all pointers.
1573 2006-05-25 Richard Guenther <rguenther@suse.de>
1576 * fold-const.c (fold_binary): Do not look at the stripped
1577 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1579 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1581 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1582 for LT and GT if the computed range is effectively empty.
1584 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1587 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1588 mips_quad_format formats instead of ieee_single_format,
1589 ieee_double_format and ieee_quad_format formats, respectively.
1591 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1593 PR tree-optimization/27639
1594 PR tree-optimization/26719
1595 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1596 call to scev_probably_wraps_p.
1597 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1598 used_in_pointer_arithmetic_p, convert_step): Removed.
1599 (nowrap_type_p): New function.
1600 (scev_probably_wraps_p): Rewritten.
1601 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1602 chrec_convert if chrec_convert_aggressive might have been used.
1603 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1604 scev_direction): New functions.
1605 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1606 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1607 instead of convert_step.
1608 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1609 (convert_step): Declaration removed.
1610 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1612 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1614 * df-core.c: Added to header comments.
1615 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1616 df_ur_bb_info, df_urec_bb_info): Added comments.
1617 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1618 urec, ri problems): Fixed header comments.
1619 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1620 code from df_rd_transfer_function.
1622 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1624 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1625 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1626 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1628 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1630 * expr.c (undefined_operand_subword_p): New.
1631 (emit_move_multi_word): Do not generate move from undefined bits
1632 of a paradoxical subreg.
1634 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1636 PR rtl-optimization/27736
1637 * combine.c (replaced_rhs_value): New variable.
1638 (combine_instructions): Set it.
1639 (distribute_notes): When distributing a note in replaced_rhs_insn,
1640 check whether the value was used in replaced_rhs_value.
1642 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1645 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1646 add_referenced_var instead of add_referenced_tmp_var.
1647 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1648 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1650 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1651 tree_optimize_tail_calls_1): Use add_referenced_var.
1652 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1653 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1654 Use add_referenced_var.
1655 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1656 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1657 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1658 Use add_referenced_var.
1659 * tree-dfa.c (struct walk_state): Remove.
1660 (find_referenced_vars): Remove walk state and vars_found hash table.
1661 (make_rename_temp): Use add_referenced_var.
1662 (find_vars_r): Pass less parameters to add_referenced_var.
1663 (referenced_var_p): New. Is var in referenced_var hash table.
1664 (referenced_var_insert): Assert var isn't already in hash table.
1665 (add_referenced_var): Don't need walk_state parameter. Add var if it
1666 isn't already in the hash table.
1667 (add_referenced_tmp_var): Remove.
1668 (find_new_referenced_vars_1): Use add_referenced_var.
1669 * tree-ssa-pre.c (create_expression_by_pieces,
1670 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1671 Use add_referenced_var.
1672 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1673 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1674 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1676 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1677 vect_create_data_ref_ptr, vect_create_destination_var,
1678 vect_init_vector, vect_build_loop_niters,
1679 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1680 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1681 Use add_referenced_var.
1682 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1683 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1684 (add_referenced_var): Add prototype.
1685 * tree-ssa-structalias.c (get_constraint_for,
1686 intra_create_variable_infos): Use add_referenced_var.
1688 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1690 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1691 big-endian paradoxical subregs.
1692 * var-tracking.c (struct micro_operation_def): Document that,
1693 for modify micro operations, insn is the subsequent instruction.
1694 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1695 (var_reg_set, var_mem_set): ... new functions.
1696 (add_stores): Record subsequent insn.
1697 (compute_bb_dataflow): Use new functions for MO_USE.
1698 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1699 notes after the insn, and modify notes before the insn known
1700 to be the subsequent one.
1701 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1703 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1706 * config/i386/i386.c (ix86_expand_builtin): Use
1707 gen_sse3_monitor64 for TARGET_64BIT.
1709 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1711 PR rtl-optimization/26375
1712 PR rtl-optimization/26855
1713 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1715 (df_ru_bb_local_compute): Reversed statements and removed bogus
1716 comment explaining why they should be in wrong order.
1717 (df_ru_dump, df_rd_dump): Enhanced debug info.
1718 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1720 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1721 reaching uses and fixed space problem.
1723 2006-05-23 Jan Hubicka <jh@suse.cz>
1725 * cgraphunit.c (decide_is_function_needed): Also nested functions
1726 and functions declared inline can be optimized out at -O0.
1728 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1730 * doc/install.texi (Configuration): Remove reference to CrossGCC
1734 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1737 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1738 ix86_compare_emitted is non-NULL.
1740 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1743 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1746 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1748 PR rtl-optimization/25514
1749 * combine.c (replaced_rhs_insn): New variable.
1750 (combine_instructions): Set replaced_rhs_insn when trying to replace
1751 a SET_SRC with a REG_EQUAL note.
1752 (distribute_notes): Use replaced_rhs_insn when determining the live
1753 range of a REG_DEAD register.
1755 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1756 Anatoly Sokolov <aesok@post.ru>
1758 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1759 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1760 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1761 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1762 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1763 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1764 at90usb647, at90usb1286 and at90usb1287 devices.
1765 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1766 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1768 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1770 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1772 2006-05-22 Richard Guenther <rguenther@suse.de>
1775 2006-01-31 Richard Guenther <rguenther@suse.de>
1776 Paolo Bonzini <bonzini@gnu.org>
1778 * doc/install.texi (--disable-libgcc-math): Document.
1780 2006-05-22 Richard Guenther <rguenther@suse.de>
1783 2006-01-31 Richard Guenther <rguenther@suse.de>
1785 * doc/invoke.texi (-msselibm): Document.
1786 * target.h (expand_library_builtin): New target hook.
1787 * builtins.c (expand_builtin): Use expand_library_builtin.
1788 (default_expand_library_builtin): New function.
1789 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1790 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1791 (link_gcc_math_spec): Declare.
1792 (static_specs): Add link_gcc_math_spec.
1793 * expr.h (default_expand_library_builtin): Declare.
1794 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1795 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1796 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1797 * config/i386/i386.opt (msselibm): New target option.
1798 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1799 (ix86_init_sse_abi_builtins): New function.
1800 (ix86_expand_library_builtin): Likewise.
1801 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1802 (override_options): Handle error conditions wrt -msselibm.
1803 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1804 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1805 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1808 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1811 * c-common.c (self_promoting_args_p): Skip erroneous args.
1814 * c-decl.c (finish_struct): Skip erroneous fields.
1816 2006-05-22 Nick Clifton <nickc@redhat.com>
1818 * config/cris/cris.opt (march): Remove VarExists attribute.
1819 (max-stackframe=): Likewise.
1821 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1823 * doc/rtl.texi: Fix a typo.
1824 * see.c: Fix comment typos.
1826 * tree-ssa-structalias.h (alias_info): Remove num_references.
1828 2006-05-21 Mike Stump <mrs@apple.com>
1830 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1832 (darwin_pragma_options): Use BAD instead.
1833 (darwin_pragma_unused): Likewise.
1834 (darwin_pragma_ms_struct): Likewise.
1836 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1838 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1840 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1842 PR rtl-optimization/27671
1843 * simplify-rtx.c (simplify_relational_operation_1): Fix
1844 simplifications of (eq/ne (xor x y) y) and
1845 (eq/ne (xor x y) x).
1847 PR tree-optimization/26622.
1848 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1851 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1853 * tree-cfg.c: Prune whitespace.
1854 (debug_tree_cfg): Point to correct header containing the
1857 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1860 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1862 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1865 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1866 or sorry count is non zero.
1868 2006-05-20 Andreas Schwab <schwab@suse.de>
1870 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1872 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1873 Kenneth Zadeck <zadeck@naturalbridge.com>
1875 PR rtl-optimization/26855
1877 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1879 (df_scan_alloc): Added code to properly handle multiword hard
1880 registers and add all_blocks parameter.
1881 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1882 code to properly handle multiword hard registers.
1883 (df_rescan_blocks): Added code to remove deleted blocks from
1885 (df_ref_create_structure, df_ref_record): Added code to properly
1887 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1888 and set DF_REF_PARTIAL.
1889 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1890 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1891 (df_scan_add_problem): Added flags parameter.
1892 (df_ref_create_structure): Changed switching structure.
1893 (df_bb_refs_record): Fixed case where duplicate artificial refs
1894 were created. Changed location of flags.
1895 (df_record_entry_block_defs): Added code to make stack pointer
1896 live in entry block. Refined cases where frame pointer is needed.
1897 Changed location of flags.
1898 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1899 (df_set_state): Removed function.
1900 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1901 df_insn_create_insn_record, df_insn_refs_delete,
1902 df_ref_create_structure): Formatting changes.
1903 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1904 df_delete_basic_block): New function.
1905 (df_init): Changed location of flags.
1906 (df_add_problem): Added flags parameter and the way flags are
1908 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1909 debug_df_chain): Improved debugging output.
1910 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1911 (df_refs_chain_dump): Removed df parameter.
1912 (df_iterative_dataflow): Added consistency check.
1913 (df_prune_to_subcfg): Made public.
1914 (df_analyze_problem): Added blocks_to_init parameter and made
1916 (df_ref_record, df_bb_refs_record, df_mark_reg,
1917 df_record_exit_block_uses): Whitespace changes.
1918 (df_dump): Whitespace changes.
1919 * df.h: Some reordering to remove forward references.
1920 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1921 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1922 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1923 (dataflow.flags): New field.
1924 (df.flag): Deleted field.
1925 (df_alloc_function): Added additional bitmap parameter.
1926 (df_dependent_problem_function): New type.
1927 (df_problem.changeable_flags): New field.
1928 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1929 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1930 (df_mw_hardreg): New struct.
1931 (DF_INSN_UID_MWS): New macro.
1932 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1934 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1935 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1936 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1937 (df_set_state): Removed function.
1938 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1939 * df-problems.c (df_chain_dump): Removed df parameter.
1940 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1941 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1943 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1944 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1945 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1946 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1947 DF_REF_MUST_CLOBBER cases.
1948 (df_ru_bb_local_compute_process_def,
1949 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1950 df_lr_bb_local_compute, df_ur_bb_local_compute,
1951 df_chain_create_bb): Made subreg aware.
1952 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1953 df_lr_bb_local_compute, df_lr_bb_local_compute,
1954 df_chain_create_bb): Cleanup to use proper macros.
1955 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1956 code to fixup bitvectors.
1957 (df_ri_alloc): Cleared lifetime.
1958 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1959 df_create_unused_note): New function.
1960 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1961 REG_DEAD and REG_UNUSED notes as well as register information.
1962 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1963 df_chains_dump): Fixed crash if problem was never run.
1964 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1965 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1966 df_ri_add_problem): Processes flags in uniform manner.
1967 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1968 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1969 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1970 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1971 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1972 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1973 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1974 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1975 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1976 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1977 * see.c (see_initialize_data): Ditto.
1978 * final.c (rest_of_clean_state) Added regstack_completed.
1979 * rtl.h (regstack_completed): Ditto.
1980 * reg-stack.c (regstack_completed): Ditto.
1982 2006-05-19 Mike Stump <mrs@apple.com>
1984 * c-tree.h (default_conversion): Remove.
1985 * c-common.h (default_conversion): Add.
1987 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1989 * tree-vrp.c (valid_value_p): New function.
1990 (adjust_range_with_scev): Fail if the value of bound is not
1993 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1995 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1996 (mips_fallback_frame_state): Use syscall numbers to determine
1997 the appropriate li instruction for the current ABI. Only use
1998 __NR_sigreturn for o32.
2000 2006-05-19 Nicolas Setton <setton@adacore.com>
2002 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2003 * langhooks.c (lhd_dwarf_name): New function.
2004 * langhooks-def.h (lhd_dwarf_name): Declare.
2005 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2006 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2007 * ada/misc.c (gnat_dwarf_name): New function.
2008 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2010 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2012 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2014 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2015 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2016 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2017 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2018 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2019 determine the size of Wtype, etc.
2020 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2021 (swfloatfuncs): New variable.
2022 (dwfloatfuncs): Likewise.
2023 (lib2funcs): Remove floating-point conversion functions from
2024 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2025 the set of conversion routines needed. Allow entries to specify
2026 an object name, filename and word size. Update users accordingly.
2027 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2028 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2032 2006-02-08 Roger Sayle <roger@eyesopen.com>
2035 * config/fixtfdi.c: New libgcc source file.
2036 * config/fixunstfdi.c: New source file.
2037 * config/floatditf.c: New source file.
2038 * config/floatunditf.c: New souce file.
2039 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2040 files above instead of config/mips/_tilib.c.
2041 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2043 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2045 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2046 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2048 2006-05-18 Mike Stump <mrs@apple.com>
2050 Fix up vla, vm and [*] sematics.
2056 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2057 (c_vla_unspec_p): Add.
2058 (c_vla_type_p): Add.
2059 * c-decl.c (struct c_scope): Add had_vla_unspec.
2060 (build_array_declarator): Add support for [*].
2061 (grokdeclarator): Likewise.
2062 (grokparms): Likewise.
2063 (get_parm_info): Likewise.
2064 * c-objc-common.c (c_vla_unspec_p): Likewise.
2065 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2066 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2067 typeof when argument is a variably modified type not inside sizeof or alignof.
2068 (c_parser_direct_declarator_inner): Propagate errors.
2069 (c_parser_sizeof_expression): Add support for [*].
2070 (c_parser_parms_declarator): Initialize had_vla_unspec.
2071 (c_parser_parms_list_declarator): Likewise.
2072 * c-typeck.c (c_vla_type_p): Add.
2073 (composite_type): Add support for vla compositing.
2074 (comptypes_internal): Add support for vla compatibility.
2075 (c_expr_sizeof_expr): Evaluate vla arguments.
2076 * tree.c (variably_modified_type_p): Update comment for [*].
2078 2006-05-18 Michael Matz <matz@suse.de>
2081 * config.host: Make assignments to host_xmake_file cumulative.
2082 * config.host (*-darwin*): Test $host, not $target.
2084 2006-05-12 Stuart Hastings <stuart@apple.com>
2086 * config/i386/i386.opt (-mstackrealign): New flag.
2087 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2088 (ix86_handle_cconv_attribute): Emit error when
2089 force_align_arg_pointer attribute collides with too many regparms.
2090 (ix86_function_regparm): Limit regparms when used with
2091 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2092 Support stack-realigning prologue in non-main functions. Emit
2093 warning for nested functions under -mstackrealign, emit error for
2094 nested functions with force_align_arg_pointer attribute.
2095 * doc/extend.texi (force_align_arg_pointer): Document it.
2096 * doc/invoke.texi (-mstackrealign): Document it.
2098 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2100 PR rtl-optimization/27477
2101 * combine.c (try_combine): Don't split a parallel consisting
2102 of two sets into two individual sets if both sets reference
2105 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2107 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2108 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2110 * doc/options.texi (VarExists): Updated.
2112 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2114 * unwind-dw2.c: Add declarations for uw_update_context and
2116 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2117 detected, advance frame state and context once to skip over stub.
2119 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2123 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2124 Call rewrite_into_loop_closed_ssa only when something changed.
2125 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2126 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2127 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2128 Test for perfect_nest_p here. Fix formating.
2129 (replace_uses_equiv_to_x_with_y): Fix formating.
2130 (stmt_uses_op): Removed.
2131 (can_convert_to_perfect_nest): Removed loopivs parameter.
2132 Complete the test by checking the scalar dependences.
2133 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2136 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2139 From Dan Kegel <dank@kegel.com>:
2140 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2142 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2144 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2145 if the element type is variably modified without recursing.
2147 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2150 * tree-loop-linear.c (try_interchange_loops): Test for
2151 no data dependences.
2153 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2155 PR tree-optimization/27548
2156 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2157 range of ssa names that appear on abnormal edges.
2158 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2159 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2161 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2164 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2166 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2169 * tree.h (OMP_PARALLEL_COMBINED): Define.
2170 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2171 (new_omp_context): Add is_combined_parallel argument.
2172 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2173 new_omp_context caller.
2174 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2175 Adjust gimplify_scan_omp_clauses callers.
2176 (omp_is_private): Issue errors if iteration variable is firstprivate
2177 or reduction in the current context.
2178 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2179 on combined parallel workshare constructs.
2181 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2183 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2184 (gcc-options.o): New rule.
2186 * optc-gen.awk: Protect variables for gcc-options.o with
2187 #ifdef GCC_DRIVER/#endif.
2189 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2191 Fix PR tree-optimization/27373
2192 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2193 (forward_propagate_addr_expr): Update call.
2195 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2197 * doc/options.texi: Move the Negative option.
2199 2006-05-16 Richard Guenther <rguenther@suse.de>
2201 PR tree-optimization/22303
2202 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2204 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2205 ccp_fold did not simplify the statement.
2207 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2210 * Makefile.in (GCC_OBJS): New.
2211 (OBJS-common): Add opts-common.o.
2212 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2213 (cpp$(exeext)): Likewise.
2214 (gcc.o): Also depend on opts.h.
2215 (opts-common.o): New.
2217 * common.opt (gcoff): Add Negative(gdwarf-2).
2218 (gdwarf-2): Add Negative(gstabs).
2219 (gstabs): Add Negative(gstabs+).
2220 (gstabs+): Add Negative(gvms).
2221 (gvms): Add Negative(gxcoff).
2222 (gxcoff): Add Negative(gxcoff+).
2223 (gxcoff+): Add Negative(gcoff).
2224 * config/i386/i386.opt (m32): Add Negative(m64).
2225 (m64): Add Negative(m32).
2227 * doc/options.texi: Document the Negative option.
2229 * gcc.c: Include "opts.h".
2230 (main): Call prune_options after expandargv.
2232 * optc-gen.awk: Generate common declarations for all flag
2233 variables in options.c. Output the neg_index field.
2235 * opts.c (find_opt): Moved to ...
2236 * opts-common.c: Here. New file.
2238 * opts.h (cl_option): Add a neg_index field.
2240 (prune_options): Likewise.
2242 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2245 * omp-low.c (expand_omp_parallel): Don't assert
2246 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2247 instead search for it.
2250 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2253 2006-05-16 Andreas Schwab <schwab@suse.de>
2255 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2258 2006-05-15 Roger Sayle <roger@eyesopen.com>
2261 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2262 integer constants other than zero are only legitimate on TARGET_64BIT.
2263 <CONST_VECTOR> Only zero vectors are legitimate.
2264 (ix86_cannot_force_const_mem): Integral and vector constants can
2265 always be put in the constant pool.
2267 2006-05-16 DJ Delorie <dj@redhat.com>
2269 * crtstuff.c (__dso_handle): Set section from
2270 TARGET_LBIGCC_SDATA_SECTION if defined.
2271 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2272 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2274 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2277 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2280 2006-05-16 Ben Elliston <bje@au.ibm.com>
2282 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2284 2006-05-15 Per Bothner <per@bothner.com>
2286 * tree.c: (last_annotated_node): Use source_locus typedef.
2287 This permits bootstrapping with --enable-mapped-location.
2289 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2291 PR tree-optimization/26830
2292 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2293 (info_for_ssa_name, current_info_for_ssa_name_age,
2294 blocks_to_update): New variables.
2295 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2296 (clear_ssa_name_info, initialize_flags_in_bb,
2297 mark_block_for_update): New functions.
2298 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2299 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2300 prepare_def_site_for): Use mark_block_for_update.
2301 (mark_def_interesting): Assert that the processed block is marked in
2302 blocks_to_update. Do not take blocks argument.
2303 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2305 (rewrite_update_init_block, rewrite_update_stmt): Only process
2306 blocks with statements to rewrite.
2307 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2308 (update_ssa): Initialize and free blocks_to_update. Do not
2309 clear flags on statements. Do not use blocks bitmap.
2310 * tree.h (SSA_NAME_AUX): Removed.
2311 (struct tree_ssa_name): Removed aux field.
2312 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2314 2006-05-15 Richard Guenther <rguenther@suse.de>
2316 PR tree-optimization/27603
2317 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2318 Do computations in original type.
2320 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2322 * see.c: Code style changes such as redundant paranthesis,
2323 redundant intialization of local variables etc.
2324 (see_main): Declared now as static.
2325 * doc/invoke.texi: Update that -fsee is not enabled by
2328 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2330 * omp-low.c (check_omp_nesting_restrictions): New function.
2331 (scan_omp_1): Call it.
2334 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2335 construct, return *VAR.
2337 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2339 PR rtl-optimization/27406
2340 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2343 2006-05-14 Roger Sayle <roger@eyesopen.com>
2345 PR rtl-optimization/27538
2346 * combine.c (expand_compound_operation): Call gen_lowpart
2347 before calling simplify_shift_const.
2349 2006-05-14 Roger Sayle <roger@eyesopen.com>
2351 PR rtl-optimization/22563
2352 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2353 a fixed width bitfield, always force the intermediates into psuedos.
2355 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2358 * mkconfig.sh: Use operator = instead of == for test.
2360 2006-05-13 Nick Clifton <nickc@redhat.com>
2362 * dwarf2out.c (dbx_reg_number): Check return value from
2363 LEAF_REG_REMAP and only use it if it is valid.
2364 (multiple_reg_loc_descriptor): Likewise.
2366 2006-05-13 Richard Guenther <rguenther@suse.de>
2368 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2371 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2373 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2374 information attached to non-INSNs such as NOTEs.
2375 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2377 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2379 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2381 * config/s390/s390.md: Adjust comment describing On constraint.
2383 2006-05-11 Jan Hubicka <jh@suse.cz>
2385 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2386 to be output at -O0.
2388 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2391 * fold-const.c (size_binop): Move sanity check for arguments to
2392 the beginning of the function.
2395 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2398 2006-05-11 Richard Guenther <rguenther@suse.de>
2401 * fold-const.c (fold_unary): Handle intermediate conversion
2402 to a pointer type like intermediate conversion to an integer
2403 type in folding of (T1)(T2)var to var.
2404 Match the code to the comment in the final conversion for
2405 (T1)(T2)var to (T1)var regarding to type precision. Rather
2406 than disallow T1 being of pointer type, assert that both T1
2407 and var are of pointer type or not. Make sure not to fall
2408 over the frontends lazyness wrt array to pointer decay though.
2410 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2412 * arm.c (arm_struct_value_rtx): Delete.
2413 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2414 (arm_init_cumulative_args): Always initialize nregs to zero.
2416 2006-05-10 Richard Guenther <rguenther@suse.de>
2418 PR tree-optimization/27532
2419 * tree-object-size.c (plus_expr_object_size): Fix typo.
2421 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2424 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2425 ashrdi_const, ashrdi3): Use a scratch register.
2427 2006-05-10 Richard Guenther <rguenther@suse.de>
2429 PR tree-optimization/27302
2430 * fold-const.c (operand_equal_p): For two comparisons,
2431 try comparison of one comparison code swapped if that yields
2434 2006-05-10 Ben Elliston <bje@au.ibm.com>
2436 * tree-pretty-print.c (pretty_print_string): No need to handle
2437 '\0' as a special character.
2439 * tree.h: Include "hashtab.h".
2440 (iterative_hash_expr): Use hashval_t in its prototype.
2441 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2443 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2446 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2447 (hppa*64*-*-hpux11*): Ditto.
2448 (hppa[12]*-*-hpux11*): Ditto.
2450 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2453 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2455 2006-05-09 Michael Matz <matz@suse.de>
2457 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2458 host_extra_gcc_objs and host_xmake_file.
2459 (<*-*-linux*>): Don't overwrite host_xmake_file.
2460 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2461 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2462 (host_detect_local_cpu): Declare.
2463 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2464 * config/i386/i386.c (override_options): Handle -mtune=native
2466 * config/i386/x-i386: New file.
2467 * config/i386/driver-i386.c: New file.
2468 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2471 2006-05-09 Dirk Mueller <dmueller@suse.de>
2472 Richard Guenther <rguenther@suse.de>
2475 * fold-const.c (fold_read_from_constant_string): Relax check
2476 for matching types to matching modes.
2478 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2480 PR rtl-optimization/27335
2481 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2484 2006-05-08 Chao-ying Fu <fu@mips.com>
2485 Richard Sandiford <richard@codesourcery.com>
2487 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2488 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2489 * config/mips/mips.md (UNSPEC_SCC): New constant.
2490 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2491 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2492 (mips_emit_compare): Use it.
2493 (mips_expand_vcondv2sf): New function.
2495 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2497 Fix PR tree-optimization/27093
2498 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2499 renaming when they become not-used_alone.
2501 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2503 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2504 relocation and relocation stubs.
2506 2006-05-08 Eric Christopher <echristo@apple.com>
2508 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2511 2006-05-08 Jan Hubicka <jh@suse.cz>
2514 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2515 unused static functions are needed.
2517 2006-05-08 Roger Sayle <roger@eyesopen.com>
2520 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2521 of a reg_equiv_constant if the result is a legitimate constant.
2523 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2526 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2527 standard 80387 constants, raise the cost to prevent
2528 compress_float_constant() to generate load from memory.
2530 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2532 * config/arm/constraints.md (c): Fix a typo.
2534 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2537 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2540 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2542 (_mm_mwait): Likewise.
2544 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2546 (sse3_monitor): Make it 32bit only.
2547 (sse3_monitor64): New. 64bit monitor.
2549 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2552 * config/i386/i386.c (classify_argument): Skip fields with invalid
2555 2006-05-07 Richard Guenther <rguenther@suse.de>
2557 PR tree-optimization/27409
2558 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2559 Do not try to find zero-sized subvars.
2561 2006-05-07 Richard Guenther <rguenther@suse.de>
2563 PR tree-optimization/27136
2564 * tree-ssa-loop-niter.c (get_val_for): Correct function
2565 comment, assert requirements.
2566 (loop_niter_by_eval): Stop processing if the iterated
2567 value did not simplify.
2569 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2571 * opts.c (flag_see): remove its setting at -O3.
2573 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2575 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2576 * arm/constraints.md: New file.
2577 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2578 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2579 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2580 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2581 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2582 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2583 * arm.md: Include constraints.md.
2584 (thumb_movsi_insn): Use satisfies_constraint_J.
2585 (movhi, movqi): Use satisfies_constraint_I.
2587 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2589 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2590 for atmeg a645 device.
2592 2006-05-06 Richard Guenther <rguenther@suse.de>
2594 PR tree-optimization/27151
2595 * tree-vect-transform.c (vectorizable_condition): Punt on
2596 values that have a different type than the condition.
2598 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2601 * c-parser.c (c_parser_cast_expression): Only insert casts into
2602 hash table if pointer.
2603 * function.c (used_types_insert_helper): Rename from
2605 (used_types_insert): Call used_types_insert_helper.
2606 * function.h (used_types_insert): Accept only one argument.
2608 2006-05-05 David Edelsohn <edesohn@gnu.org>
2610 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2611 scratch with output modifier.
2613 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2616 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2617 with output modifier.
2619 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2622 * config/mips/mips.c (mips_symbolic_address_p): Return true
2623 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2624 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2626 2006-05-04 Richard Guenther <rguenther@suse.de>
2628 PR tree-optimization/14287
2629 PR tree-optimization/14844
2630 PR tree-optimization/19792
2631 PR tree-optimization/21608
2632 PR tree-optimization/27090
2633 * tree-ssa-pre.c (try_combine_conversion): New function.
2634 (compute_avail): After constructing the value-handle
2635 expression, use try_combine_conversion to combine NOP_EXPRs
2636 with previous value-handle expressions and use the result if it
2639 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2641 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2643 2006-05-04 Jan Hubicka <jh@suse.cz>
2646 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2648 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2650 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2651 that this only matches CONST_INTs. All users changed to VOIDmode
2654 * config/bfin/bfin.c: Include "optabs.h".
2655 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2657 (enum bfin_builtins): Add a number of fractional and vector builtins.
2658 (bfin_init_builtins): Likewise.
2659 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2660 (safe_vector_operand, bfin_expand_binop_builtin,
2661 bfin_expand_unop_builtin): New functions.
2662 (bfin_expand_builtin): Handle the new builtins.
2663 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2666 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2669 * Makefile.in (OBJS-common): Add see.o.
2670 (see.o): Add dependencies.
2671 * common.opt (fsee): New flag for the see optimization was added.
2672 * opts.c (flag_see): Initialized.
2673 * passes.c (init_optimization_passes, pass_see): New pass.
2674 * rtl.h (see_main): Declaration as extern.
2675 * timevar.def (TV_SEE): New.
2676 * tree-pass.h (pass_see): Declaration as extern.
2677 * invoke.texi (-fsee): Document.
2678 * recog.c (validate_simplify_insn): New function.
2679 * recog.h (validate_simplify_insn): Declaration as extern.
2680 * df-problems.c (df_chain_dump): Check for NULL.
2682 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2683 Daniel Berlin <dberlin@dberlin.org>
2685 * cfgrtl.c (insert_insn_bb_end_new): New function.
2686 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2688 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2690 * df.h (struct web_entry): Moved from web.c.
2691 (union_defs): Declaration as extern.
2692 (unionfind_root): Likewise.
2693 (unionfind_union): Likewise.
2694 * web.c (struct web_entry): Moved to df.h.
2695 (unionfind_root): Remove static declaration.
2696 (unionfind_union): Likewise.
2697 (union_defs): Likewise and generalize to use callback function.
2698 (web_main): Update arguments for union_defs function call.
2700 2006-05-04 Richard Guenther <rguenther@suse.de>
2702 PR tree-optimization/26447
2703 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2704 produce SSA_NAME copies before the store stmt to avoid
2705 breaking exception handling.
2707 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2710 * gimplify.c (omp_is_private): If var is shared in some outer context,
2711 return false instead of true. Stop searching on parallel context
2714 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2717 * coverage.c: Use get_gcov_unsigned_t() instead of
2718 unsigned_type_node all over.
2720 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2722 PR tree-optimization/27381
2723 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2724 maintain the same immediate_use links.
2725 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2726 node rather than segfaulting.
2728 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2731 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2732 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2733 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2735 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2737 Fix PR tree-optimization/26626
2738 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2740 * tree-ssa-operands.c (access_can_touch_variable): Allow
2741 typecasting through union pointers.
2743 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2746 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2747 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2748 to find if var will be a global variable even in the nested context.
2749 (omp_copy_decl): Only check for global variable at the end, it might
2750 be overridden in outer contexts.
2751 (scan_sharing_clauses): For global variables don't create a field.
2752 (lower_rec_input_clauses): Do nothing for global shared variables.
2753 Emit a barrier at the end of ILIST if there were any decls in both
2754 firstprivate and lastprivate clauses.
2755 (lower_send_clauses): Do nothing for global variables except for
2758 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2760 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2761 of the correct signedness is returned.
2763 2006-05-02 Jeff Law <law@redhat.com>
2765 PR tree-optimization/27364
2766 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2767 multiply expressions.
2769 2006-05-02 Tom Tromey <tromey@redhat.com>
2771 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2773 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2776 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2777 -mthumb -fPIC are used.
2779 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2780 Joshua Kinard <kumba@gentoo.org>
2783 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2784 with 64-bit pointers.
2786 2006-05-02 Paul Brook <paul@codesourcery.com>
2788 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2790 (create_fix_barrier): Check that a suitable barrier location is
2792 (arm_reorg): Include ftmp->address in allowable range of addresses.
2794 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2797 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2800 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2803 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2804 around RESULT_DECL for result passed by reference.
2805 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2806 * omp-low.c (use_pointer_for_field): Don't look at
2807 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2808 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2809 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2810 time or var for passing by reference for
2811 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2812 TREE_ADDRESSABLE variables when passing by reference.
2814 * omp-low.c (dump_omp_region): Fix output formatting.
2817 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2818 (expand_omp_parallel): Likewise.
2819 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2822 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2823 on statement list containing also constructors and destructors.
2824 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2827 * except.c (duplicate_eh_regions): Fix clearing of
2828 cfun->eh->region_array entries.
2830 2006-05-01 DJ Delorie <dj@redhat.com>
2832 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2834 (gcc_cv_objdump): Likewise.
2835 * configure: Regenerated.
2837 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2840 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2841 templates for case 3 and 4.
2843 2006-05-01 DJ Delorie <dj@redhat.com>
2845 * vec.c: Include bconfig.h when appropriate.
2846 * Makefile.in (build/vec.o): Adjust dependencies.
2847 * mkconfig.sh: Make sure config.h isn't used for build machine
2850 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2852 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2854 (mark_phi_for_rewrite): New function.
2855 (insert_phi_nodes_for, mark_use_interesting): Call
2856 mark_phi_for_rewrite.
2857 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2858 (update_ssa): Initialize and free phis_to_rewrite.
2860 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2862 PR rtl-optimization/27291
2863 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2864 folded to a constant.
2866 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2868 PR tree-optimization/27283
2869 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2870 not whole # of iteration descriptions.
2871 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2872 uses abnormal ssa name.
2873 (niter_for_single_dom_exit): Ditto.
2874 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2875 return just the number of iterations.
2877 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2879 PR tree-optimization/27144
2880 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2881 (record_estimate): Only record constant upper bound.
2882 (infer_loop_bounds_from_undefined): Call
2883 compute_estimated_nb_iterations just once.
2884 (proved_non_wrapping_p): Renamed to ...
2885 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2886 (convert_step_widening, scev_probably_wraps_p): Call
2887 n_of_executions_at_most instead of proved_non_wrapping_p.
2888 (substitute_in_loop_info): Do not replace values in bounds.
2889 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2892 2006-05-01 Richard Henderson <rth@redhat.com>
2895 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2896 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2899 2006-05-01 Roger Sayle <roger@eyesopen.com>
2901 * c-typeck.c (parser_build_binary_op): Don't call the function
2902 unsigned_conversion_warning to spot operand/result type overflow.
2903 (build_binary_op): Instead, call convert_and_check instead of
2904 convert to report the problem when the operands are promoted.
2905 * c-common.c (unsigned_conversion_warning): Make static.
2906 * c-common.h (unsigned_conversion_warning): Delete prototype.
2908 2006-05-01 Richard Guenther <rguenther@suse.de>
2910 PR tree-optimization/26726
2911 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2913 (find_interesting_uses_address): ... we work around here
2914 by folding INDIRECT_REFs in the substituted base.
2916 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2918 * omp-low.c (dump_omp_region): Add newlines.
2920 2006-04-30 Roger Sayle <roger@eyesopen.com>
2922 * common.opt (Woverflow): New command line option.
2923 * c-common.c (constant_expression_warning): Check warn_overflow.
2924 (overflow_waring): Pass OPT_Woverflow to warning.
2925 (unsigned_conversion_warning): Likewise.
2926 (convert_and_check): Likewise.
2927 * doc/invoke.texi: Document new command line option.
2929 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2931 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2932 TARGET_NO_FP_IN_TOC for section anchors.
2933 (optimization_options): Enable section anchors for all
2934 non-"Objective" languages.
2936 2006-04-28 Eric Christopher <echristo@apple.com>
2938 * config/darwin-c.c (darwin_ms_struct): Move this
2939 (darwin_set_default_type_attributes): and this...
2940 * config/darwin.c: ... here.
2941 * config/darwin.h (darwin_ms_struct): Declare.
2943 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2945 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2947 2006-04-28 Roger Sayle <roger@eyesopen.com>
2950 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2951 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2952 an unsigned HOST_WIDE_INT.
2953 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2955 (really_start_incremental_init): No need to call convert because
2956 bitsize_zero_node is already of type bitsizetype.
2957 (push_init_level): Extract the value of constructor_index as an
2958 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2959 (process_init_element): Likewise.
2961 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2963 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2964 value before passing to make_relative_prefix.
2966 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2969 * builtins.c (expand_builtin_memset): Expand val in original mode.
2971 2006-04-27 Eric Christopher <echristo@apple.com>
2973 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2974 with #ifndef/#endif.
2975 * config/darwin-c.c (darwin_ms_struct): New.
2976 (darwin_pragma_ms_struct): Ditto.
2977 (darwin_set_default_type_attributes): Ditto.
2978 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2979 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2980 Register ms_struct pragma.
2981 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2982 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2983 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2984 darwin_set_default_type_attributes if TARGET_MACHO.
2986 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2988 PR tree-optimization/26854
2989 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2990 * doc/tree-ssa.texi: Update immuse iterator documentation.
2991 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2992 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2993 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2994 first_safe_imm_use, next_safe_imm_use): Remove.
2995 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2996 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2997 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2998 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2999 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3000 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3001 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3002 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3003 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3004 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3005 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3006 (perfect_nestify): Use new iterator.
3007 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3009 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3010 (next_imm_name): New field in struct immediate_use_iterator_d.
3011 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3012 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3013 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3014 * tree-cfg.c (replace_uses_by): Use new iterator.
3015 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3016 * tree-ssa-operands.c (correct_use_link): Remove.
3017 (finalize_ssa_use_ops): No longer call correct_use_link.
3019 2006-04-27 Stuart Hastings <stuart@apple.com>
3021 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3022 * config/t-darwin (crt3.o): Use it.
3023 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3024 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3025 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3026 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3027 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3030 2006-04-27 Roger Sayle <roger@eyesopen.com>
3032 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3033 size, force the intermediate into a new pseudo rather instead of
3034 performing both a bitwise AND and a bitwise IOR in memory.
3036 2006-04-27 Richard Guenther <rguenther@suse.de>
3038 PR rtl-optimization/26685
3039 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3040 this one "max-flow-memory-locations".
3042 2006-04-27 Richard Guenther <rguenther@suse.de>
3044 PR tree-optimization/25148
3045 * tree-vrp.c (compare_values): Remove code dealing with
3046 comparisons against type min/max value. Honour overflow
3047 and negative constants in code dealing with comparisons
3048 of plus and minus expressions.
3049 (value_inside_range): Use fold_binary with LE_EXPR and
3050 GE_EXPR rather than compare_values.
3052 2006-04-27 Dirk Mueller <dmueller@suse.de>
3054 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3057 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3059 * basic-block.h (safe_insert_insn_on_edge): Removed.
3060 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3062 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3063 Paolo Bonzini <bonzini@gnu.org>
3066 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3067 (simplify_and_const_int): Same.
3069 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3071 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3073 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3076 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3077 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3078 cgraph_global_info_ready.
3081 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3084 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3085 either decl or init is error_mark_node.
3088 * tree-flow.h (struct omp_region): Add sched_kind.
3089 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3090 instead of extracting omp for data.
3091 (expand_omp_for): Save extracted sched_kind.
3093 2006-04-25 Roger Sayle <roger@eyesopen.com>
3095 * expmed.c (store_bit_field): Also check whether the bitsize is
3096 valid for the machine's "insv" instruction before moving the
3097 target into a pseudo for use with the insv.
3098 * config/i386/predicates.md (const8_operand): New predicate.
3099 * config/i386/i386.md (extv, extzv, insv): Use the new
3100 const8_operand predicate where appropriate.
3102 2006-04-25 DJ Delorie <dj@redhat.com>
3104 * doc/install.texi (Specific): Clarify that this is not a list of
3105 supported hosts or targets.
3107 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3109 PR rtl-optimization/26725
3110 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3111 block's BB_DIRTY flag.
3113 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3115 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3118 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3119 to print an integer.
3121 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3123 * varasm.c (align_variable): New function.
3124 (get_block_for_decl): Apply align_variable to DECL before
3125 calculating section information.
3126 (assemble_variable): Split out alignment computation.
3128 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3130 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3133 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3135 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3136 MODE_PARTIAL_INT mode.
3137 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3138 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3140 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3141 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3143 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3145 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3147 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3148 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3149 MACFLAG_IH): Likewise.
3150 (movstricthi_1): Renamed from "*movstricthi".
3151 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3152 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3153 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3154 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3155 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3156 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3157 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3158 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3159 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3160 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3161 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3162 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3163 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3164 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3165 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3167 * doc/rtl.texi (ss_ashift): Improve wording.
3169 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3171 * dwarf2out.c (verify_marks_clear): New.
3172 (prune_unused_types): Call verify_marks_clear initially, not
3175 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3177 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3178 * doc/rtl.texi: Document them.
3179 * simplify-rtx.c (simplify_unary_operation,
3180 simplify_binary_operation_1): Don't abort when we see them.
3182 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3185 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3186 * configure.ac: Completely disregard languages that are not
3188 * configure: Regenerated.
3190 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3191 Richard Guenther <rguenther@suse.de>
3193 PR tree-optimization/27236
3194 * tree-inline.c (copy_body_r): Make sure to copy
3195 TREE_THIS_VOLATILE flag.
3197 2006-04-24 Richard Guenther <rguenther@suse.de>
3200 * tree-complex.c (update_parameter_components): Don't handle
3201 unused parameters which have no default def.
3203 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3204 Richard Guenther <rguenther@suse.de>
3206 PR tree-optimization/27218
3207 * tree-inline.c (expand_call_inline): Strip useless type
3208 conversions for the return slot address.
3210 2006-04-24 Richard Guenther <rguenther@suse.de>
3212 * cfgloop.h (struct loops): Remove unused field array. Reorder
3214 (LOOP_PREFETCH): Remove.
3216 2006-04-24 Richard Guenther <rguenther@suse.de>
3218 PR tree-optimization/22525
3219 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3220 variable, adjust types of generated expressions.
3222 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3224 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3225 (tree-vect-patterns.o): Likewise.
3227 (cselib.o): Likewise.
3228 (loop-doloop.o): Likewise.
3229 (regclass.o): Likewise.
3230 (reload1.o): Likewise.
3231 (explow.o): Replace target.h with $(TARGET_H).
3232 (ipa-prop.o): Likewise.
3233 (ipa-cp.o): Likewise.
3234 (ipa-inline.o): Likewise.
3235 (reorg.o): Likewise.
3236 (reg-stack.o): Likewise.
3238 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3240 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3242 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3244 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3246 * configure.ac: Completely disregard languages that are not
3248 * configure: Regenerated.
3251 * c-common.h (c_build_bitfield_integer_type): Declare.
3252 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3253 * c-common.c (c_build_bitfield_integer_type): ... here.
3255 2006-04-23 Roger Sayle <roger@eyesopen.com>
3258 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3259 a SImode SUBREG of a floating point register after no_new_pseudos.
3261 2006-04-23 Roger Sayle <roger@eyesopen.com>
3263 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3264 identify potentially eliminable registers to additionally catch
3265 VIRTUAL_INCOMING_ARGS_REGNUM.
3266 (addsi3): Update the conditions on when to use addsi_small_int.
3268 2006-04-23 Roger Sayle <roger@eyesopen.com>
3271 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3272 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3273 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3275 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3277 * fold-const.c (range_predecessor): Use operand_equal_p
3278 as the predicate for equality.
3279 (range_successor): Likewise.
3281 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3284 * config/soft-fp/op-common.h: Fix a typo.
3286 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3289 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3290 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3292 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3294 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3296 * doc/tm.texi: Fix a typo.
3298 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3300 * dwarf2out.c (struct die_struct): Document that die_sib makes
3301 a circular linked list.
3302 (FOR_EACH_CHILD): New.
3303 (reverse_die_lists): Delete.
3304 (reverse_all_dies): Delete.
3305 (add_dwarf_attr): Correct documentation.
3306 (remove_child_with_prev): New.
3307 (remove_child_TAG): Update for change to die_struct, use
3308 remove_child_with_prev.
3309 (add_child_die): Update for change to die_struct.
3310 (splice_child_die): Use remove_child_with_prev and add_child_die.
3311 (print_die): Use FOR_EACH_CHILD.
3312 (die_checksum): Likewise.
3313 (assign_symbol_names): Likewise.
3314 (output_location_lists): Likewise.
3315 (build_abbrev_table): Likewise.
3316 (calc_die_sizes): Likewise.
3317 (mark_dies): Likewise.
3318 (unmark_dies): Likewise.
3319 (unmark_all_dies): Likewise.
3320 (output_die): Likewise.
3321 (prune_unused_types_mark): Likewise.
3322 (prune_unused_types_walk): Likewise.
3323 (same_die_p): Update for change to die_struct.
3324 (break_out_includes): Likewise.
3325 (prune_unused_types_prune): Likewise.
3326 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3327 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3329 (dwarf2out_finish): Don't call reverse_all_dies.
3331 2006-04-21 Eric Christopher <echristo@apple.com>
3333 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3334 in comments and function names.
3336 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3339 * c-typeck.c (digest_init): Robustify.
3341 * c-typeck.c (pop_init_level): Simplify.
3343 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3345 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3347 2006-04-21 Paul Brook <paul@codesourcery.com>
3349 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3350 hardware floating point.
3352 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3354 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3357 2006-04-21 Nick Clifton <nickc@redhat.com>
3359 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3362 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3365 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3366 C++ lang type in traceback table for Objective-C++.
3368 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3370 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3372 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3374 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3377 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3378 were errors. Remove check for erroneous objects.
3380 2006-04-20 Jeff Law <law@redhat.com>
3382 PR tree-optimization/26854
3383 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3384 checking for zero or one use.
3385 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3386 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3387 * tree-ssa-reassoc.c (negate_value): Similarly.
3388 (reassociate_bb): Similarly.
3390 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3392 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3393 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3394 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3396 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3398 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3399 fp regs if the last fp arg doesn't fit in regs.
3401 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3404 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3405 that the last insn has the REG_INC note.
3407 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3408 Nathan Sidwell <nathan@codesourcery.com>
3411 * stor-layout.c (update_alignment_for_field): Do not align
3413 (place_union_field): Place union field at the start of the union.
3414 (place_field): Move ERROR_MARK check later, and use the current
3415 allocation position to maintain monotonicity.
3417 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3419 * dominance.c: Include timevar.h.
3420 (calculate_dominance_info): Use TV_DOMINANCE.
3421 * timevar.def (TV_DOMINANCE): New timevar.
3422 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3424 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3426 PR rtl-optimization/14261
3427 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3428 move would be an INSV insn.
3429 (noce_process_if_block): Don't optimize if the destination is a
3430 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3432 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3434 * config/s390/s390.md: Add comments with the instructions emitted
3435 by an insn pattern if macros are used.
3437 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3439 PR rtl-optimization/26026
3440 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3441 is a known power of two shifted left a variable amount.
3443 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3445 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3446 to hash table twice when the debug_str section has SECTION_MERGE.
3448 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3450 * config/soft-fp: New directory. From glibc.
3451 * config/soft-fp/t-softfp: New.
3452 * config/soft-fp/README: New.
3453 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3454 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3455 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3456 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3457 * config.gcc: Use rs6000/t-fprules-fpbit or
3458 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3460 * config/rs6000/sfp-machine.h: New. Based on glibc.
3461 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3463 * config/rs6000/t-fprules: Remove fp-bit rules.
3464 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3465 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3466 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3467 (softfp_wrap_start, softfp_wrap_end): New.
3469 2006-04-18 DJ Delorie <dj@redhat.com>
3471 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3473 2006-04-18 Devang Patel <dpatel@apple.com>
3475 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3477 2006-04-18 Nick Clifton <nickc@redhat.com>
3479 * config/sh/t-symbian: Add rule to build sh-c.o
3480 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3481 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3482 (sh_symbian_encode_section_info): Likewise.
3484 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3486 * builtins.c (expand_builtin_strcmp): Cover label definition of
3487 do_libcall with HAVE_cmpstrnsi.
3489 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3491 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3493 * function.h (temp_slot_p): New.
3494 (function): Change the type of x_used_temp_slots to
3495 VEC(temp_slot_p,gc) *.
3497 2006-04-18 Nick Clifton <nickc@redhat.com>
3499 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3500 flag_strength_reduce.
3502 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3504 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3508 Partial revert of revision 112637
3509 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3510 Dale Johannesen <dalej@apple.com>
3513 * regclass.c (struct reg_pref): Update documentation.
3514 (regclass): Set prefclass to NO_REGS if memory is the best option.
3515 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3517 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3519 PR tree-optimization/26821
3520 * tree-ssa-math-opts.c (get_constant_one): New.
3521 (insert_reciprocals): Use it.
3523 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3525 * dwarf2out.c (free_AT): Delete.
3526 (remove_AT): Update string ref counts.
3527 (remove_child_TAG): Don't call free_die.
3529 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3530 or DW_TAG_GNU_EINCL.
3531 (prune_unused_types_walk_attribs): Reset string refcounts.
3532 (prune_unused_types_update_strings): New.
3533 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3534 call free_die. Do call prune_unused_types_update_strings.
3535 (prune_unused_types): Empty debug_str_hash.
3537 2006-04-17 Roger Sayle <roger@eyesopen.com>
3539 * expr.c (expand_assignment): Optimize away no-op moves where the
3540 source and destination are equal and have no side-effects.
3542 2006-04-17 Richard Guenther <rguenther@suse.de>
3545 * reload.c (push_reload): Guard calls to get_secondary_mem
3548 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3550 * alias.c (reg_base_value, old_reg_base_value): Change the
3551 type to VEC(rtx,gc) *.
3552 (REG_BASE_VALUE, find_base_value, record_set,
3553 init_alias_analysis): Use VEC instead of VARRAY.
3555 * alias.c (alias_sets): Change the type to
3556 VEC(alias_set_entry,gc) *.
3557 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3558 VEC instead of VARRAY.
3559 (last_alias_set): Remove.
3561 * cgraph.h (cgraph_edge_p): New.
3562 Update the prototype of cgraph_function_versioning.
3563 * cgraphunit.c (cgraph_copy_node_for_versioning,
3564 cgraph_function_versioning): Use VEC instead of VARRAY.
3565 * ipa-cp.c (ipcp_insert_stage): Likewise.
3567 2006-04-16 Roger Sayle <roger@eyesopen.com>
3570 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3571 "A op B" or "A op C", we may need to convert A to the type of B and C.
3573 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3575 * target.h (struct gcc_target): Add mode_rep_extended.
3576 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3577 (init_num_sign_bit_copies_in_rep): Initialize it using
3579 (truncate_to_mode): Use it.
3580 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3581 * targhooks.h (default_mode_rep_extended): Declare it.
3582 * targhooks.c (default_mode_rep_extended): Define it.
3583 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3584 default_mode_rep_extended.
3585 (TARGET_INITIALIZER): Include it.
3586 * doc/tm.texi (Misc): Document it.
3587 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3588 (mips_truncated_to_mode): New function.
3590 2006-04-16 Roger Sayle <roger@eyesopen.com>
3593 * expr.c (compress_float_constant): Copy the narrow constant into
3594 a new pseudo before extending it to its final width.
3596 2006-04-16 Roger Sayle <roger@eyesopen.com>
3597 Andrew Pinski <pinskia@gcc.gnu.org>
3598 Dale Johannesen <dalej@apple.com>
3601 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3602 special case code to implement V8HImode and V16QImode with SSE2.
3604 2006-04-15 Roger Sayle <roger@eyesopen.com>
3606 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3607 trees are constructed with a suitable tree type.
3609 2006-04-15 Roger Sayle <roger@eyesopen.com>
3611 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3612 (integer_onep): Likewise.
3613 (integer_all_onesp): Likewise.
3614 (integer_pow2p): Likewise.
3615 (integer_nonzerop): Likewise.
3616 (real_zerop): Likewise.
3617 (real_onep): Likewise.
3618 (real_twop): Likewise.
3619 (real_minus_onep): Likewise.
3620 (int_size_in_bytes): Likewise.
3621 (host_integerp): Likewise.
3623 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3625 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3626 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3627 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3629 * tree-ssa-structalias.h (alias_info): Remove num_references.
3631 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3633 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3634 (output_bvb patterns): Likewise.
3635 * pa.c (output_bb): Use 'bb' insn for long branch case.
3636 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3637 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3638 1. Correct length operand for alternatives 1 and 2.
3639 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3640 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3642 2006-04-14 Roger Sayle <roger@eyesopen.com>
3644 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3645 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3646 were accidentally reverted by r112959.
3648 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3651 * except.h (eh_region_outermost): New prototype.
3652 * except.c (eh_region_outermost): New function.
3653 * tree-cfg.c (find_outermost_region_in_block): Use it.
3655 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3657 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3659 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3660 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3661 (init_reload, reload): Use VEC instead of VARRAY.
3662 * reload.h: Update the prototype for
3663 reg_equiv_memory_loc_varray.
3665 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3666 Eric Botcazou <ebotcazou@libertysurf.fr>
3668 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3671 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3674 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3675 to expand fallback builtin function call.
3677 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3680 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3681 and emit libcall here in case the builtin fails.
3682 (expand_builtin_strcmp): Always emit the libcall here on failure.
3684 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3686 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3687 * flow.c (reg_n_info): Change the type to
3688 VEC(reg_info_p,heap) *.
3689 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3691 * regs.h (reg_info_p): New.
3692 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3693 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3694 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3697 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3699 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3701 * params.h (MAX_SCHED_READY_INSNS): New macro.
3702 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3703 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3704 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3705 the ready list for 1 cycle during the first scheduling pass.
3706 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3708 2006-04-13 Richard Henderson <rth@redhat.com>
3711 * gimple-low.c (lower_omp_directive): Remove dead code.
3712 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3713 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3714 * omp-low.c (struct omp_region): Move to tree-flow.h.
3715 (root_omp_region): Export.
3716 (omp_regions, lookup_omp_region): Remove.
3717 (determine_parallel_type): Update for struct omp_region changes.
3718 (dump_omp_region): Dump regions with block numbers.
3719 (new_omp_region): Take type and block instead of stmt; malloc
3721 (free_omp_region_1, free_omp_regions): New.
3722 (expand_parallel_call): Take entry_stmt as argument; update for
3723 changes to omp_region.
3724 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3725 (remove_exit_barriers): New.
3726 (expand_omp_parallel): Update for struct omp_region changes.
3727 (expand_omp_synch): Likewise.
3728 (expand_omp): Likewise.
3729 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3730 (expand_omp_for_static_chunk): Likewise.
3731 (expand_omp_for): Likewise.
3732 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3733 (expand_omp_sections): Similarly, with GOMP_sections_end.
3734 (expand_omp_single): New.
3735 (build_omp_regions_1): Update for OMP_CONTINUE.
3736 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3737 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3738 OMP_SECTIONS_SECTIONS.
3739 (lower_omp_single_simple): Don't emit barrier here.
3740 (lower_omp_single_copy): Likewise.
3741 (lower_omp_single): Fix bindings, and lower to straightline now.
3742 (lower_omp_master, lower_omp_ordered): Likewise.
3743 (lower_omp_critical): Likewise.
3744 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3745 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3746 omp edges, free it afterward.
3747 (make_omp_sections_edges): Remove.
3748 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3749 (move_stmt_r): Handle OMP_CONTINUE.
3750 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3751 statement pointers to basic blocks. Add type member.
3752 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3753 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3754 * tree-inline.c (estimate_num_insns_1): Likewise.
3755 * tree-pretty-print.c (dump_generic_node): Likewise.
3756 * tree-ssa-operands.c (get_expr_operands): Likewise.
3757 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3758 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3759 (OMP_CONTINUE): New.
3760 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3761 (OMP_SECTIONS_SECTIONS): Remove.
3762 (OMP_SECTION_LAST): New.
3763 (OMP_RETURN_NOWAIT): New.
3765 2006-04-13 Roger Sayle <roger@eyesopen.com>
3767 * fold-const.c (native_encode_vector, native_interpret_real):
3768 Correct obvious mistakes in the previous check-in.
3770 2006-04-13 Roger Sayle <roger@eyesopen.com>
3772 * fold-const.c (native_encode_expr): New function to encode
3773 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3774 or VECTOR_CST into a specified buffer.
3775 (native_encode_int): New function.
3776 (native_encode_real): New function.
3777 (native_encode_complex): New function.
3778 (native_encode_vector): New function.
3779 (native_interpret_expr): Inverse of native_encode_expr to convert
3780 a target representation into an INTEGER_CST, REAL_CST etc...
3781 (native_interpret_int): New function.
3782 (native_interpret_real): New function.
3783 (native_interpret_complex): New function.
3784 (native_interpret_vector): New function.
3785 (fold_view_convert_expr): New function to constant fold/evaluate
3786 a VIEW_CONVERT_EXPR of a suitable constant expression.
3787 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3788 Change call of build1 to fold_build1 when constructing a
3791 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3792 Ulrich Weigand <uweigand@de.ibm.com>
3795 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3798 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3801 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3802 optimize to lo_sum for DFmode if !TARGET_FPRS.
3804 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3806 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3807 delete_alias_info, compute_flow_sensitive_aliasing,
3808 group_aliases): Use VEC instead of VARRAY.
3809 * tree-ssa-structalias.c (update_alias_info): Likewise.
3810 * tree-ssa-structalias.h (alias_info): Change the type of
3811 processed_ptrs to VEC(tree,heap) *.
3813 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3816 * config/sh/lib1funcs.h: New file, broken out of:
3817 * config/sh/lib1funcs.asm.
3818 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3820 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3821 * config/sh/lib1funcs-Os-4-200.asm: New file.
3822 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3823 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3824 (EXTRA_MULTILIB_PARTS): Include it.
3825 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3826 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3827 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3828 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3831 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3833 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3834 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3835 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3837 * tree-ssa-live.h: Include vecprim.h.
3838 (tree_partition_associator_d): Change the type of
3839 first_partition to VEC(int,heap) *.
3840 (tpa_first_partition): Use VEC instead of VARRAY.
3842 * Makefile.in (GTFILES): Move functions.h after tree.h.
3843 * function.c (reset_block_changes, record_block_change,
3844 check_block_change, free_block_changes): Use VEC instead of
3846 * function.h (function): Change the type of
3847 ib_boundaries_block to VEC(tree,gc) *.
3848 * tree-inline.c (copy_cfg_body): Initialize
3849 ib_boundaries_block to NULL instead of (varray_type) 0.
3851 2006-04-12 Roger Sayle <roger@eyesopen.com>
3853 * expr.c (emit_group_store): Correct operand order in call to
3854 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3855 a SUBREG_BYTE of zero.
3857 2006-04-12 Richard Guenther <rguenther@suse.de>
3859 * profile.c (compute_branch_probabilities): Remove code
3860 encapsulated in !ir_type (), which are remanents of the
3861 removed RTL profiling code.
3862 * rtl-profile.c: Remove.
3864 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3866 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3867 magic NULL_RTX comment.
3868 (function_arg): Store entire fp arg to mem if any part should go
3870 (rs6000_arg_partial_bytes): Adjust for above change.
3872 2006-04-11 Roger Sayle <roger@eyesopen.com>
3874 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3875 if it hasn't been initialized by dwarf2out_init.
3877 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3879 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3880 symbolic constants in branch patterns.
3882 2006-04-11 Roger Sayle <roger@eyesopen.com>
3884 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3886 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3888 PR rtl-optimization/27073
3889 * gcse.c (try_replace_reg): Revert last change. Continue to search
3890 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3893 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3895 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3896 aggregate types other than record and union types.
3897 (function_arg): Likewise.
3898 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3900 (function_value): In 64-bit mode, return objects that require it
3903 2006-04-11 Roger Sayle <roger@eyesopen.com>
3905 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3907 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3909 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3911 2006-04-03 Jeff Law <law@redhat.com>
3914 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3915 alias information too.
3917 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3919 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3921 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3924 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3925 (premark_used_types_helper): New.
3926 (premark_used_types): New.
3927 (gen_subprogram_die): Call premark_used_types.
3928 (prune_unused_types_walk): Do not prune perennial dies.
3929 * function.c (used_types_insert): New.
3930 * function.h (struct function): Add used_types_hash field.
3931 (used_types_insert): Add prototype.
3932 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3933 * c-parser.c (c_parser_cast_expression): Save casted types in used
3936 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3939 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3940 rs6000_explicit_options.float_gprs.
3942 2006-04-10 Roger Sayle <roger@eyesopen.com>
3944 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3945 from ix86_expand_vector_init_low_nonzero. Take an additional
3946 one_var argument indicating which element is non-zero. Support
3947 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3948 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3949 with one_var instead of ix86_expand_vector_init_low_nonzero.
3951 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3953 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3954 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3955 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3956 build/genextract.o): Depend on vecprim.h.
3957 * cfglayout.c, df-problems.c, function.c, genextract.c,
3958 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3959 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3963 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3965 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3966 Declare VECs of this type.
3967 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3968 (remove_children): Delete.
3969 (add_dwarf_attr): Use VEC routines.
3970 (add_AT_flag): Update for changes to add_dwarf_attr.
3971 (add_AT_int): Likewise.
3972 (add_AT_unsigned): Likewise.
3973 (add_AT_long_long): Likewise.
3974 (add_AT_vec): Likewise.
3975 (add_AT_string): Likewise.
3976 (add_AT_die_ref): Likewise.
3977 (add_AT_fde_ref): Likewise.
3978 (add_AT_loc): Likewise.
3979 (add_AT_loc_list): Likewise.
3980 (add_AT_addr): Likewise.
3981 (add_AT_lbl_id): Likewise.
3982 (add_AT_lineptr): Likewise.
3983 (add_AT_macptr): Likewise.
3984 (add_AT_offset): Likewise.
3985 (add_AT_range_list): Likewise.
3986 (get_AT): Use VEC_iterate.
3987 (remove_AT): Use VEC_ordered_remove.
3988 (free_die): Fold remove_children into here; have it use VEC_iterate.
3989 (print_die): Use VEC_iterate on attrs.
3990 (reverse_die_lists): Don't reverse attr lists.
3991 (die_checksum): Use VEC_iterate on attrs.
3992 (same_die_p): Likewise.
3993 (output_location_lists): Likewise.
3994 (build_abbrev_table): Likewise.
3995 (size_of_die): Likewise.
3996 (unmark_all_dies): Likewise.
3997 (output_abbrev_section): Likewise.
3998 (output_die): Likewise.
3999 (prune_unused_types_walk_attribs): Likewise.
4001 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4003 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4005 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4008 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4010 2006-04-09 Roger Sayle <roger@eyesopen.com>
4012 * expr.c (store_constructor): Don't bother clearing target if
4013 we're about to assign a vector to it using vec_init_optab.
4015 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4017 * tree-ssa-alias.c (lhs_may_store_to): New function.
4018 (recalculate_used_alone): Handle LHS of calls.
4020 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4024 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4025 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4026 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4027 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4028 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4029 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4030 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4031 stubs. Add ".align 8" directives before all ".dword" directives.
4032 (GTHREAD_USE_WEAK): Revise comment.
4033 (TARGET_ATTRIBUTE_WEAK): Define.
4034 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4035 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4036 * stublib.c: New file.
4041 * pa.md (cbranch patterns): Revise arguments used in calls to
4042 output_cbranch, output_bb and output_bvd. Add long branch length
4044 (fbranch patterns): Handle long branches.
4045 (jump): Revise length check. Revise arguments for output_lbranch call.
4046 Add long branch length attributes.
4047 (decrement_and_branch_until_zero): Add long branch length attributes.
4048 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4049 Likewise. Revise arguments for output_parallel_addb and
4050 output_parallel_movb calls.
4051 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4052 output_parallel_movb and output_parallel_addb): Update prototypes.
4053 * pa.c (output_cbranch): Revise arguments. Correct handling of
4054 nullification in long branches.
4055 (output_lbranch): Add new argument to control extraction of delay
4057 (output_bb): Handle long branches.
4058 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4059 output_parallel_addb): Likewise.
4061 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4063 PR rtl-optimization/27073
4064 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4067 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4069 * tree.h (tree_memory_tag): Add old_used_alone.
4070 (SMT_OLD_USED_ALONE): New macro.
4071 * tree-ssa-alias.c (recalculate_used_alone): Stop
4072 marking things for renaming unnecessarily.
4074 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4076 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4077 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4078 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4079 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4080 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4081 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4082 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4083 spelling convensions.
4084 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4085 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4086 typos. Follow spelling conventions.
4088 2006-04-07 DJ Delorie <dj@redhat.com>
4090 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4091 passed on the stack.
4092 (m32c_init_cumulative_args): When a function returns a structure,
4093 always pass the pointer to that return area on the stack.
4094 (m32c_function_arg_advance): Don't increment the parameter number
4095 if we're processing the returned structure pointer.
4096 (pushm_info): Reverse order of registers.
4098 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4100 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4101 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4102 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4103 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4105 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4106 chrec_fold_multiply): Same.
4107 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4108 force_expr_to_var_cost): Same.
4109 * tree-mudflap.c (mf_xform_derefs_1): Same.
4110 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4112 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4114 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4115 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4118 2006-04-07 Jan Hubicka <jh@suse.cz>
4120 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4122 2006-04-07 Richard Guenther <rguenther@suse.de>
4124 PR tree-optimization/26135
4125 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4126 loads for store copy-prop.
4127 (copy_prop_visit_stmt): Likewise.
4129 2006-04-05 Robert Millan <robertmh@gnu.org>
4131 * config/i386/linux.h: Add a comment to mark macros that are
4132 being overriden in config/k*bsd-gnu.h.
4133 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4135 * config/knetbsd-gnu.h: Ditto.
4137 2006-04-06 Jan Hubicka <jh@suse.cz>
4141 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4144 2006-04-06 Mike Stump <mrs@apple.com>
4146 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4147 for HAVE_nonlocal_goto to be consistent.
4148 (expand_builtin_nonlocal_goto): Likewise.
4149 (expand_builtin_strcmp): Use #ifdef instead of #if
4150 for HAVE_cmpstrnsi to be consistent.
4152 2006-04-05 DJ Delorie <dj@redhat.com>
4154 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4157 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4159 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4160 got-relative addressing for anything but SImode.
4162 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4163 even if the calling function doesn't modify them.
4165 2006-04-05 Richard Guenther <rguenther@suse.de>
4167 PR tree-optimization/26919
4168 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4169 to cgraph_estimate_size_after_inlining.
4171 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4173 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4175 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4177 PR tree-optimization/26996
4178 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4179 VECTOR_TYPE variables.
4181 2006-04-05 Richard Guenther <rguenther@suse.de>
4183 PR tree-optimization/26763
4184 * fold-const.c (fold_comparison): Move folding of
4185 PTR + CST CMP PTR + CST ...
4186 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4188 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4190 * doc/install.texi (Prerequisites): Refine some wording on
4191 bootstrapping and ksh.
4192 Move the version numbers of DejaGnu here from the testing section
4193 and fix casing of names.
4194 Fix markup and clarify wording for autogen requirements.
4195 Refer to GCJ instead of just java.
4196 Refer to SVN instead of CVS.
4197 Describe diffutils as useful instead of necessary.
4198 (Downloading the source): Refer to SVN instead of CVS.
4199 Adjust a link to our web site accordingly.
4200 (Configuration): Fix casing of Bison.
4201 (Building): Refer to SVN instead of CVS.
4202 Fix a sentence on the use of Bison and remove duplicate (and
4203 incorrect) version number of Bison requirement.
4204 Remove one redundant list of packages needed for building.
4205 (Specific): Avoid reference to CVS.
4207 2006-04-04 Eric Christopher <echristo@apple.com>
4209 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4210 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4211 (rs6000_handle_struct_attribute): New.
4212 (rs6000_ms_bitfield_layout_p): Ditto.
4214 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4216 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4217 NULL for dso parameter to atexit_common.
4219 2006-04-04 Eric Christopher <echristo@apple.com>
4221 * config/i386/i386.c (machopic_output_stub): Output \t
4222 between instructions and operands.
4224 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4226 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4227 satisfies_constraint_[IL] to explicit tests on value.
4229 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4231 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4232 set_nb_iterations_in_loop): Use build_int_cst instead of
4234 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4235 build_int_cst instead of convert.
4237 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4239 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4240 new value 2 for incoming.
4241 * function.c (expand_function_start): Call struct_value_rtx
4243 * config/sparc/sparc.md: Comment updated_return.
4244 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4245 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4246 struct return if sparc_std_struct_return and incoming is 2.
4247 (print_operand): Do not adjust return if
4248 sparc_std_struct_return.
4250 2006-04-04 Roger Sayle <roger@eyesopen.com>
4252 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4253 convert in the middle-end.
4254 * expr.c (store_expr, store_constructor, get_inner_reference,
4255 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4257 * tree.c (build_range_type): Likewise.
4259 2006-04-04 Tom Tromey <tromey@redhat.com>
4261 * doc/install.texi (Prerequisites): Mention jar.
4263 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4265 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4268 2006-04-04 Matthias Klose <doko@debian.org>
4270 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4271 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4274 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4276 * doc/extend.texi (Function Attributes): Rewrite visibility
4277 attribute documentation.
4278 * doc/invoke.texi (C++ Dialect Options): Rewrite
4279 -fvisibility-inlines-hidden documentation to describe something
4280 entirely different, although in practise compatible.
4281 (Code Gen Options): Warn about system headers in -fvisibility=
4284 * doc/extend.texi (Other Builtins): Document that
4285 __builtin_nan is a compile-time constant only when its argument
4288 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4290 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4291 trying to remove TRUNCATE check if all bits outside the new mode
4292 are identical to the sign bit.
4294 2006-04-03 Jeff Law <law@redhat.com>
4296 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4297 and operand scanning in some common cases.
4299 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4300 Dale Johannesen <dalej@apple.com>
4303 * regclass.c (struct reg_pref): Update documentation.
4304 (regclass): Set prefclass to NO_REGS if memory is the best option.
4305 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4306 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4307 into account. For non-registers, equate an empty preferred
4308 reload class to a `!' in the constraint; move the if clause to
4309 do so after those that reject the insn.
4310 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4312 (find_dummy_reload): Likewise.
4313 * doc/tm.texi (Register Classes): Document what it means
4314 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4315 * config/i386/i386.c (ix86_preferred_reload_class): Force
4316 using SSE registers (and return NO_REGS for floating-point
4317 constants) if math is done with SSE.
4318 (ix86_preferred_output_reload_class): New.
4319 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4320 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4321 * config/i386/i386.md: Remove # register preferences.
4323 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4326 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4327 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4328 the type of nb_iter.
4329 (instantiate_parameters_1): Convert the operands before calling
4330 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4331 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4333 2006-04-02 Roger Sayle <roger@eyesopen.com>
4335 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4336 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4338 * dojump.c (do_jump): Likewise.
4339 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4340 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4341 gimplify_boolean_expr): Likewise.
4342 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4343 * varasm.c (array_size_for_constructor): Likewise.
4344 * tree-object-size.c (compute_object_offset): Likewise.
4346 2006-04-02 Roger Sayle <roger@eyesopen.com>
4349 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4350 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4352 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4354 PR tree-optimization/26939
4355 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4357 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4359 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4360 at_stmt. Convert the type of operands before calling
4361 build_polynomial_chrec.
4362 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4364 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4365 (instantiate_parameters_1): Convert the type of operands before calling
4366 build_polynomial_chrec.
4367 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4368 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4369 reset_evolution_in_loop): Insert asserts to check the types of the
4371 (chrec_type): Moved...
4372 (eq_evolutions_p): Use operand_equal_p.
4373 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4374 the types of the operands.
4375 (chrec_type): ...here.
4376 * tree-data-ref.c (create_data_ref): Convert the operands before
4377 calling chrec_replace_initial_condition.
4378 (same_access_functions, analyze_subscript_affine_affine,
4379 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4380 (compute_subscript_distance, analyze_ziv_subscript,
4381 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4382 analyze_miv_subscript): Convert the operands before calling
4383 chrec_fold_minus or chrec_fold_plus.
4385 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4387 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4388 the dependence_relations vector.
4389 (compute_data_dependences_for_loop): Adjust call to
4390 compute_all_dependences.
4392 2006-04-01 Roger Sayle <roger@eyesopen.com>
4393 Richard Henderson <rth@redhat.com>
4395 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4396 gimple_boolify on the condition before calling gimplify_expr.
4398 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4400 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4401 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4402 the frame size. Update to use the new macros.
4403 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4404 * config/xtensa/ieee754-df.S: Likewise.
4406 2006-03-31 Richard Henderson <rth@redhat.com>
4408 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4409 (make_edges): ... here. Control fallthru creation with a local
4410 variable. Do not play with fake edges.
4411 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4412 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4415 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4417 * dwarf2.h (DW64_CIE_ID): Define.
4418 * dwarf2out.c (DWARF_CIE_ID): Define.
4419 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4420 length header. Use DWARF_CIE_ID.
4421 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4422 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4424 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4426 * config/sh/linux-atomic.asm: New file.
4427 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4429 2006-03-31 DJ Delorie <dj@redhat.com>
4431 * config/m32c/cond.md: Set condition flags properly throughout.
4432 * config/m32c/minmax.md: Likewise.
4433 * config/m32c/prologue.md: Likewise.
4434 * config/m32c/bitops.md: Likewise.
4435 * config/m32c/muldiv.md: Likewise.
4436 * config/m32c/mov.md: Likewise.
4437 * config/m32c/addsub.md: Likewise.
4438 * config/m32c/m32c.md: Likewise.
4439 * config/m32c/jump.md: Likewise.
4440 * config/m32c/shift.md: Likewise.
4442 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4443 conditionally output the pattern for this.
4444 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4445 (m32c_compare_redundant): New.
4446 (m32c_output_compare): New.
4447 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4449 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4450 dest, not src. Allow other 4-byte modes.
4452 2006-03-30 Denis Chertykov <denisc@overta.ru>
4454 * doc/md.texi: Refer to avr/constraints.md instead of
4457 2006-03-30 Roger Sayle <roger@eyesopen.com>
4459 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4460 signed vs. unsigned comparison failures on some hosts.
4462 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4465 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4466 change to FLOAT_REGS.
4468 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4469 (rs6000_override_options): Use it.
4470 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4471 only for -mabi=spe/no-spe and -mabi=altivec.
4473 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4475 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4478 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4480 * Makefile.in: Rename docdir to gcc_docdir.
4482 2006-03-30 Roger Sayle <roger@eyesopen.com>
4485 * expr.c (emit_group_store): Optimize group stores into a pseudo
4486 register by using a paradoxical subreg to initialize the destination
4487 if the first or last member of the group specifies a "low part".
4489 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4492 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4493 * target.h (struct gcc_target.speculate_insn): Change type of the
4494 second parameter to 'int'.
4495 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4496 the second operand of the DEPS_LIST.
4497 (copy_DEPS_LIST_list): Update reference to the second operand of the
4499 * rtl.h (alloc_DEPS_LIST): Update signature.
4500 * sched-int.h (ds_t): Change typedef to 'int'.
4501 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4503 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4505 * haifa-sched.c (try_ready): Change condition to restore
4506 non-speculative pattern of the instruction.
4507 (process_insn_depend_be_in_spec): Code to keep probability of the
4508 speculative dependence non-decreasing.
4510 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4512 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4513 (single_move_for_movmem): ... this. Also change all uses.
4514 (bfin_expand_strmov): Renamed to...
4515 (bfin_expand_movmem): ... this. Also change all uses.
4516 * config/bfin/bfin.md (movstrsi): Renamed to...
4517 (movstrsi): ...this.
4519 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4521 PR tree-optimization/26830
4523 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4524 (copy_prop_visit_stmt): Remove write-only variable ann.
4525 (init_copy_prop): Check variable loop depth here. Do not simulate
4526 memory-tag and virtual operand PHIs except for store copy prop.
4528 2006-03-30 Richard Guenther <rguenther@suse.de>
4530 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4531 variants with double arguments.
4533 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4535 * genpreds.c (write_tm_constrs_h): Delete variable p.
4536 * genconditions.c (write_header): Add tm-constrs.h to included
4538 * genpeep.c (main): Add toplev.h to included headers.
4539 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4540 (build/genpeep.o): Add toplev.h dependency.
4541 * config/rs6000/constraints.md: Add "W" constraint.
4543 2006-03-29 Roger Sayle <roger@eyesopen.com>
4545 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4546 sizes by correctly testing whether the size fits a host integer.
4547 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4548 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4549 SImode range for the default sizetype and bitsizetype.
4551 2006-03-29 Roger Sayle <roger@eyesopen.com>
4553 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4554 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4555 quickly if the argument is already of the correct type.
4556 Call fold_build1 instead of build1. Tidy up blank lines.
4558 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4560 * genemit.c (main): Add tm-constrs.h to included headers.
4561 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4562 * genpeep.c (main): Add tm-constrs.h to included headers.
4563 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4564 (write_tm_constrs_h): this and write complete file.
4565 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4566 (write_insn_preds_c): Add tm-constrs.h to included headers.
4567 (gen_constrs): New variable.
4568 (parse_option): Parse "-c".
4569 (main): Invoke write_tm_constrs_h.
4570 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4571 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4572 (object_out_file): Add tm-constrs.h dependency.
4573 (insn-emit.o): Same.
4574 (insn-output.o): Same.
4575 (insn-peep.o): Same.
4576 (insn-preds.o): Same.
4577 (insn-recog.o): Same.
4578 (tm-constsr.h): New target.
4579 (s-constrs-h): New target.
4581 * config/rs6000/constraints.md: New file.
4582 * config/rs6000/rs6000.c: Include tm-constrs.h.
4583 (num_insn_constant_wide): Convert to satisfies_constraint.
4584 (rs6000_rtx_costs): Convert to satisfies_constraint.
4585 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4586 (CONST_OK_FOR_LETTER_P): Delete.
4587 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4588 (EXTRA_CONSTRAINT): Delete.
4589 (EXTRA_MEMORY_CONSTRAINT): Delete.
4590 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4591 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4592 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4593 satisfies_constraint.
4595 * config/i386/i386.c: Include tm-constrs.h.
4597 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4599 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4600 * tree-data-ref.c (find_data_references_in_loop,
4601 compute_data_dependences_for_loop): Use pointers to VEC.
4602 (analyze_all_data_dependences): Adjust calls.
4603 * tree-data-ref.h (find_data_references_in_loop,
4604 compute_data_dependences_for_loop): Adjust declarations.
4605 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4606 compute_data_dependences_for_loop.
4608 2006-03-29 Paul Brook <paul@codesourcery.com>
4610 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4613 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4615 PR tree-optimization/26859
4616 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4618 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4619 for the step after fold_convert.
4621 2006-03-29 Paul Brook <paul@codesourcery.com>
4623 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4624 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4626 2006-03-29 Paul Brook <paul@codesourcery.com>
4629 * targhooks.c (default_narrow_bitfield): New fuction.
4630 * targhooks.h (default_narrow_bitfield): add prototype.
4631 * target.h (gcc_target): Add narrow_volatile_bitfield.
4632 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4633 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4634 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4635 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4637 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4639 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4641 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4642 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4643 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4644 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4645 (s390_function_arg_float): Allow SDmode and DDmode values to be
4646 passed in floating point registers.
4647 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4648 check with SCALAR_FLOAT_MODE_P.
4649 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4651 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4653 PR tree-optimization/25985
4654 * tree-ssa-loop-niter.c (number_of_iterations_le,
4655 number_of_iterations_ne): Make comments more precise.
4656 (number_of_iterations_cond): Add only_exit argument. Use the
4657 fact that signed variables do not overflow only when only_exit
4659 (loop_only_exit_p): New.
4660 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4661 number_of_iterations_cond.
4663 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4665 PR tree-optimization/26643
4666 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4669 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4671 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4672 (divsi3_i4_int): Likewise.
4674 2006-03-28 Roger Sayle <roger@eyesopen.com>
4676 * expr.c (emit_group_store): Only create a new pseudo reg if the
4677 quantity it needs to hold isn't already a suitable pseudo.
4679 2006-03-28 Jeff Law <law@redhat.com>
4681 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4682 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4684 2006-03-28 Roger Sayle <roger@eyesopen.com>
4686 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4687 the equivalent ~X & Y, and the symmetry related transformations.
4688 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4689 ~X & Y, and symmetry related transforms.
4691 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4693 Revert my 2006-03-27 patches.
4695 2006-03-28 Roger Sayle <roger@eyesopen.com>
4697 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4698 ~(T1)X, when T1 and T2 are integer types of the same precision
4699 and (T2)X isn't an extension.
4701 2006-03-28 Jeff Law <law@redhat.com>
4703 PR tree-optimization/26796
4704 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4705 need EH edge cleanups rather than purging them immediately.
4706 (eliminate_degenerate_phis): Handle queued EH cleanups.
4708 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4710 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4713 2006-03-27 Roger Sayle <roger@eyesopen.com>
4716 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4717 cast BIT_NOT_EXPR operand to the correct type.
4719 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4721 * tree-loop-linear.c: Don't include varray.h.
4722 (gather_interchange_stats, try_interchange_loops,
4723 linear_transform_loops): Use VEC instead of VARRAY.
4724 * lambda-mat.c: Don't include varray.h.
4725 * tree-chrec.c: Same.
4726 * lambda-trans.c: Same.
4727 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4728 VEC instead of VARRAY.
4729 * tree-vectorizer.h: Idem.
4730 * tree-data-ref.c (dump_data_references,
4731 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4732 initialize_data_dependence_relation, finalize_ddr_dependent,
4733 compute_all_dependences, find_data_references_in_loop,
4734 compute_data_dependences_for_loop, analyze_all_data_dependences,
4735 free_dependence_relation, free_dependence_relations,
4736 free_data_refs): Idem.
4737 * tree-data-ref.h (data_reference_p, subscript_p): New.
4738 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4739 VEC instead of VARRAY.
4740 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4741 (find_data_references_in_loop, compute_data_dependences_for_loop,
4742 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4743 dump_data_dependence_relations, free_dependence_relations,
4744 free_data_refs): Adjust declaration.
4745 (lambda_transform_legal_p): Move declaration here...
4746 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4747 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4748 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4749 vect_analyze_data_refs): Use VEC instead of VARRAY.
4750 * lambda.h (lambda_transform_legal_p): ...from here.
4751 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4752 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4753 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4754 tree-chrec.o): Don't depend on VARRAY_H.
4756 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4758 * rtl.def (Copyright): Update date.
4759 (DEPS_LIST): Change type of the second operand to 'int'.
4760 * target.h (Copyright): Update date.
4761 (struct gcc_target.speculate_insn): Change type of the second parameter
4763 * lists.c (Copyright): Update date.
4764 (alloc_DEPS_LIST): Change signature. Update reference to the second
4765 operand of the DEPS_LIST.
4766 (copy_DEPS_LIST_list): Update reference to the second operand of the
4768 * rtl.h (Copyright): Update date.
4769 (alloc_DEPS_LIST): Update signature.
4770 * sched-int.h (Copyright): Update date.
4771 (ds_t): Change typedef to 'int'.
4772 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4774 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4776 * haifa-sched.c (Copyright): Update date.
4777 (try_ready): Change condition to restore non-speculative pattern
4779 (process_insn_depend_be_in_spec): Code to keep probability of the
4780 speculative dependence non-decreasing.
4782 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4784 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4785 shut up the compiler.
4787 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4789 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4790 to use lib prefix for target.
4791 ($(T)libic_invalidate_array_4-200.a): Likewise.
4792 ($(T)libic_invalidate_array_4a.a): Likewise.
4794 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4795 J"orn Rennecke <joern.rennecke@st.com>
4797 * superh.opt: New file.
4798 * sh.c (boardtype, osruntime): Remove.
4799 * superh.h (SUBTARGET_OPTIONS): Remove.
4800 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4802 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4803 arguments with ^ and/or [].
4805 * config.gcc (sh-*-*): Add quoting to account for quirk of
4807 Replace == with = in enable_incomplete_targets test.
4809 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4810 with MASK_LITTLE_ENDIAN.
4812 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4813 * config/sh/sh.opt: Added to some comments.
4814 * config/sh/superh.h: Removed some chaff.
4816 * config/sh/sh.opt: Add m4-[1234]00* options.
4817 * config/sh/sh.c (sh_handle_option): Likewise.
4818 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4819 (ic_invalidate_array_4-100.o): New rule.
4820 ($(T)libic_invalidate_array_4-100.a): Likewise.
4821 (ic_invalidate_array_4-200.o): Likewise.
4822 ($(T)libic_invalidate_array_4-200.a): Likewise.
4823 (ic_invalidate_array_4a.o): Likewise.
4824 ($(T)libic_invalidate_array_4a.a): Likewise.
4825 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4826 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4828 * config/sh/crt1.asm: Merged in profiling code.
4829 * config/sh/superh.h (STARTFILE_SPEC): Override.
4830 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4831 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4832 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4834 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4835 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4836 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4838 * sh.opt (mpretend-cmove): New option.
4839 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4840 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4841 (movsicc): Add TARGET_PRETEND_CMOVE code.
4843 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4845 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4846 s390_class_max_nregs): New function prototypes.
4847 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4848 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4849 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4850 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4852 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4854 * dwarf2out.c (add_location_or_const_value_attribute): Call
4855 tree_add_const_value_attribute if nothing else works.
4856 (reference_to_unused): New.
4857 (rtl_for_decl_init): Use reference_to_unused to decide whether
4858 to output an initializer.
4860 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4863 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4864 peephole removing spe frob_di_df_2.
4866 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4868 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4869 (subscript_dependence_tester_1): Declared.
4870 (print_dir_vectors, print_dist_vectors): New.
4871 (debug_data_dependence_relation): New.
4872 (dump_data_dependence_relation): Print more details.
4873 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4874 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4875 (save_dist_v, save_dir_v, add_outer_distances,
4876 build_classic_dist_vector_1): New.
4877 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4878 Don't test for lambda_vector_lexico_pos.
4879 (same_access_functions, add_multivariate_self_dist,
4880 add_other_self_distances, dir_from_dist): New.
4881 (build_classic_dir_vector): Replace implementation almost identical to
4882 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4884 (subscript_dependence_tester_1): New.
4885 (subscript_dependence_tester): Handle the lexicographically negative
4886 distance vectors by recomputing the dependence relation.
4887 (compute_affine_dependence): Remove parameter loop_nest_depth.
4888 (compute_self_dependence): Don't call compute_subscript_distance.
4889 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4890 Add a parameter for the loop_nest.
4891 (find_loop_nest_1, find_loop_nest): New.
4892 (compute_data_dependences_for_loop): Compute the loop nest, and give
4893 up if the nest is not well formed.
4894 * tree-data-ref.h (loop_p): New.
4895 (struct data_dependence_relation): Replace size_vect field with
4896 loop_nest, a vec of loops.
4897 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4898 (DDR_LOOP_NEST): New.
4899 (print_dir_vectors, print_dist_vectors,
4900 debug_data_dependence_relation): Declared.
4901 (index_in_loop_nest): New.
4902 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4903 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4906 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4908 * simplify-rtx.c (simplify_relational_operation): Call
4909 simplify_relational_operation_1 even if mode is VOIDmode.
4911 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4913 PR tree-optimization/26804
4914 * tree.h (DECL_CALL_CLOBBERED): New macro.
4915 (tree_decl_common): Add call_clobbered_flag.
4916 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4917 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4918 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4919 (mark_non_addressable): Ditto.
4920 * tree-ssa.c (verify_call_clobbered): New function.
4921 (verify_alias_info): Use it.
4922 * tree-pass.h (pass_reset_cc_flags): New prototype.
4923 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4924 (reset_cc_flags): New function.
4925 * passes.c (init_optimization_passes): Call reset_cc_flags after
4926 initializing referenced_vars.
4928 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4929 Roger Sayle <roger@eyesopen.com>
4932 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4933 to 1.0 for non-real operands. Implement A / A optimization for
4936 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4938 * config/i386/i386.c (size_cost): Correct the comment for
4939 cost of storing fp registers.
4940 (i386_cost): Likewise.
4941 (i486_cost): Likewise.
4942 (pentium_cost): Likewise.
4943 (pentiumpro_cost): Likewise.
4944 (k6_cost): Likewise.
4945 (athlon_cost): Likewise.
4946 (k8_cost): Likewise.
4947 (pentium4_cost): Likewise.
4948 (nocona_cost): Likewise.
4949 (generic64_cost): Likewise.
4950 (generic32_cost): Likewise.
4952 2006-03-24 Denis Chertykov <denisc@overta.ru>
4954 * config/avr/avr-protos.h (extra_constraint): Delete.
4955 (extra_constraint_Q): New declaration.
4956 * config/avr/constraints.md: New file.
4957 * config/avr/avr.md: Include it.
4958 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4959 (TMP_REGNO, ZERO_REGNO): Likewise.
4960 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4961 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4962 (extra_constraint): Delete.
4963 (extra_constraint_Q): Test for memory constraint 'Q'.
4964 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4965 (REG_CLASS_FROM_LETTER): Delete.
4966 (CONST_OK_FOR_LETTER_P): Delete.
4967 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4968 (EXTRA_CONSTRAINT): Delete.
4969 (TMP_REGNO): Delete.
4970 (ZERO_REGNO): Delete.
4972 2006-03-24 Jeff Law <law@redhat.com>
4974 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4975 directly. Call mark_new_vars_to_rename slightly earlier.
4977 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4979 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4981 (gen_compile_unit_die): Use new language types for Objective-C and
4983 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4984 DW_LANG_C_plus_plus.
4987 * config/t-darwin (crt3.o): Work around bug 26840.
4988 * config/darwin-crt3.c: Rewrite.
4989 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4991 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4993 * doc/invoke.texi: Document -femit-class-debug-always
4994 * common.opt: Add -femit-class-debug-always.
4996 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4998 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4999 index and base register.
5000 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5001 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5002 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5003 REGNO_OK_FOR_INDEX_P.
5004 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5006 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5007 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5008 REG_OK_FOR_BASE_P): Definitions removed.
5010 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5013 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5014 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5015 set yet or weren't marked as local yet.
5017 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5019 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5022 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5024 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5025 (rs6000_legitimate_small_data_p): Delete.
5026 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5027 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5028 and make static. Add forward declaration. Update uses.
5029 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5030 of offsettable_memref_p.
5031 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5032 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5034 2006-03-24 Jeff Law <law@redhat.com>
5036 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5037 around bug in immediate-use iterator.
5039 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5042 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5043 or __LITTLE_ENDIAN__.
5045 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5047 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5048 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5049 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5050 * config/sh/sh.opt (mdiv=): Amend description.
5051 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5052 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5053 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5054 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5055 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5056 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5057 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5058 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5059 TARGET_DIVIDE_CALL_FP.
5061 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5063 * haifa-sched.c (choose_ready): Fix type of the local variable.
5064 Move local variables. Add comment.
5065 (check_reg_live): Change signature. Make callable from debugger.
5066 * sched-int.h (check_reg_live): Update signature.
5067 * sched-ebb.c (check_reg_live): Update parameters.
5068 * sched-rgn.c (check_reg_live): Ditto.
5069 (region_head_or_leaf_p): Check pointer before dereferencing.
5070 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5071 before reload on optimization levels below 1.
5073 2006-03-23 Richard Henderson <rth@redhat.com>
5075 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5079 * config/alpha/predicates.md (local_symbolic_operand): Reject
5082 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5085 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5086 expressions which have overflowed constants.
5088 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5090 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5092 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5094 * cfgloopmanip.c (create_loop_notes): Removed.
5095 * final.c (final_scan_insn): Do not handle loop notes.
5096 * jump.c (squeeze_notes): Ditto.
5097 * cfglayout.c (skip_insns_after_block,
5098 duplicate_insn_chain): Ditto.
5099 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5101 * cfgloop.h (create_loop_notes): Declaration removed.
5103 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5105 * varasm.c (output_constant_pool): Restore fnname and fndecl
5107 (assemble_start_function): Adjust call accordingly.
5108 (assemble_end_function): Likewise.
5110 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5113 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5116 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5118 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5121 * system.h (ICE_EXIT_CODE): New macro.
5122 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5123 (diagnostic_action_after_output): Likewise.
5124 * gcc.c (fatal_ice): New function.
5125 (execute): Use it instead of fatal.
5126 (fancy_abort): Likewise.
5127 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5129 2006-03-22 Jeff Law <law@redhat.com>
5131 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5132 iv_analyze_result returning false.
5134 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5136 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5138 2006-03-22 Richard Henderson <rth@redhat.com>
5141 * except.c (duplicate_eh_regions_0): New.
5142 (duplicate_eh_region_1): Duplicate the children of the node as
5143 well as the node itself. Link them up properly.
5144 (duplicate_eh_region_2): Merge into ...
5145 (duplicate_eh_regions): ... here. Take copy_region argument, and
5146 copy only a sub-tree if asked. Simplify copying and fixup.
5147 (eh_region_outer_p): New.
5148 * except.h (duplicate_eh_regions): Update decl.
5149 (eh_region_outer_p): Declare.
5150 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5151 (lower_omp_master): Likewise.
5152 (lower_omp_ordered): Likewise.
5153 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5154 (move_stmt_r): Use it to remap labels. Handle recursion vs
5155 remap_decls_p properly.
5156 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5157 (find_outermost_region_in_block): New.
5158 (new_label_mapper): New.
5159 (move_sese_region_to_fn): Copy eh information to the new function
5161 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5163 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5166 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5168 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5169 into shared libraries.
5171 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5173 * doc/md.texi: Refer to i386/constraints.md instead of
5175 * config/i386/constraints.md: New file, extracted from...
5176 * config/i386/predicates.md: ...here.
5177 * config/i386/i386.md: Include constraints.md.
5179 2006-03-21 Jason Merrill <jason@redhat.com>
5181 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5184 * expr.c (init_block_move_fn): Force default visibility.
5185 (init_block_clear_fn): Likewise.
5186 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5187 * targhooks.c (default_external_stack_protect_fail): Likewise.
5189 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5191 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5192 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5193 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5194 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5195 (loadgp): Use mips_current_loadgp_style.
5196 (loadgp_noshared): New pattern.
5197 (sibcall_internal): Use MIPS_CALL.
5198 (sibcall_value_internal): Likewise.
5199 (sibcall_value_multiple_internal): Likewise.
5200 (call_internal): Likewise.
5201 (call_value_internal): Likewise.
5202 (call_value_multiple_internal): Likewise.
5203 (call_split): Use MIPS_CALL and add an 'S' constraint.
5204 (call_value_split): Likewise.
5205 (call_value_multiple_split): Likewise.
5206 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5207 (-mshared): New option.
5208 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5209 (mips_current_loadgp_style): Declare.
5210 * config/mips/mips.c (mips_classify_symbol): Avoid using
5211 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5212 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5213 TARGET_ABSOLUTE_ABICALLS.
5214 (override_options): Adjust comments. Improve the warning that is
5215 issued when -mabicalls and -G are used together.
5216 (mips_file_start): Remove comment.
5217 (mips_current_loadgp_style): New function.
5218 (mips_gnu_local_gp): New variable.
5219 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5221 (mips_output_function_prologue): Use mips_current_laodgp_style.
5222 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5223 the cprestore instruction.
5224 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5225 live for TARGET_ABSOLUTE_ABICALLS.
5226 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5227 (ASM_SPEC): Pass down -mshared and -mno-shared.
5228 (MIPS_CALL): New macro.
5229 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5231 * doc/invoke.texi (-mabicalls): Update documentation.
5232 (-mshared): Document.
5234 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5236 * config/ia64/unwind-hpux.c: New file.
5237 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5239 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5242 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5244 2006-03-21 Jeff Law <law@redhat.com>
5246 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5247 type conversions of a VR_VARYING source to a wider type.
5249 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5251 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5252 tm_file on Solaris 10 and later.
5253 (sparc64-*-solaris2*): Likewise.
5254 (sparc-*-solaris2*): Likewise.
5255 * config/sol26.h: Rename to config/sol2-6.h.
5256 * config/sol2-10.h: New file.
5258 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5261 * tree-ssa-pre.c (create_component_ref_by_pieces):
5264 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5267 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5268 return it immediately.
5270 2006-03-21 Michael Matz <matz@suse.de>
5272 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5274 (remove_arc, add_arc): Update num_out_arcs member.
5275 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5277 (cache_presence): New function.
5278 (compare_states_for_equiv): New function.
5279 (state_is_differed): Don't take number of outargs, adjust callers.
5280 Use new invariant for speeding up.
5281 (init_equiv_class): Create initial classes based on sorted
5283 (partition_equiv_class): Don't track out_arcs_num.
5284 (evaluate_equiv_classes): Call cache_presence on all states and
5287 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5289 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5290 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5291 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5292 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5294 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5295 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5296 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5297 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5298 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5300 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5301 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5302 (REGNO_REG_CLASS): ARGP is in PREGS.
5303 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5305 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5306 to deal with those addresses.
5307 * addresses.h: New file.
5308 * caller-save.c: Include "addresses.h".
5309 (init_caller_save): Use new base_reg_class function.
5310 * rtl-factoring.c: Include "addresses.h".
5311 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5312 * recog.c: Include "addresses.h".
5313 (preprocess_constraints): Use new base_reg_class function.
5314 * regrename.c: Include "addresses.h".
5315 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5316 functions. Keep track of a new var INDEX_CODE to compute valid
5318 (replace_oldest_value_addr): Likewise.
5319 (replace_oldest_value_mem): Use base_reg_class.
5320 * reload.c: Include "addresses.h".
5321 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5322 (find_reloads): Use new base_reg_class function.
5323 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5324 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5325 all callers and prototype changed.
5326 * reload1.c: Include "addresses.h".
5327 (maybe_fix_stack_asms): Use base_reg_class.
5328 * regclass.c: Include "addresses.h".
5329 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5330 (init_reg_autoinc): Use new base_reg_class function.
5331 (record_reg_classes): Likewise.
5332 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5333 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5334 Use new args to compute necessary class.
5336 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5337 regrename.o, rtl-factoring.o): Update dependencies.
5338 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5339 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5340 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5341 REG_OK_FOR_INDEX_P): Delete documentation.
5343 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5345 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5346 from V7 to V9 for Solaris 7 and above.
5348 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5350 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5351 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5352 argument pointers may not alias any other storage.
5353 * common.opt: Define option -fargument-noalias-anything.
5354 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5355 alias semantics is specified by flag_argument_noalias > 2.
5357 2006-03-20 Jeff Law <law@redhat.com>
5359 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5360 (pass_phi_only_cprop): Declare.
5361 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5363 * tree-ssa-dom.c (degenerate_phi_result): New function.
5364 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5365 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5366 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5367 (eliminate_degenerate_phis): Likewise.
5368 (pass_phi_only_cprop): New pass descriptor.
5369 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5370 support code. Callers updated.
5371 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5372 (store_copy_prop): Likewise.
5373 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5375 2006-03-20 Jason Merrill <jason@redhat.com>
5378 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5379 (push_visibility, pop_visibility): Likewise.
5380 * c-pragma.h: Declare them.
5382 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5384 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5386 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5387 parameter and use get_ebb_head_tail.
5388 (sh_md_init_global): Adjust uses of find_regmode_weight.
5390 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5392 * function.h (struct function) <x_tail_recursion_reentry>:
5393 Rename to x_stack_check_probe_note.
5394 (tail_recursion_reentry): Rename to stack_check_probe_note.
5395 * function.c: Replace tail_recursion_reentry with
5396 stack_check_probe_note everywhere.
5397 (expand_function_start): Only emit a note for
5398 stack_check_probe_note with -fstack-protect.
5399 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5401 * emit-rtl.c (remove_unnecessary_notes): Remove.
5402 (pass_remove_unnecessary_notes): Remove.
5403 * rtl.h (remove_unnecessary_notes): Remove prototype.
5404 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5405 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5406 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5408 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5411 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5412 (valid_in_set): Handle ARRAY_REF.
5413 Change "if min_variant or VH" to asserts.
5414 (create_component_ref_by_pieces): Handle ARRAY_REF.
5415 (create_expression_by_pieces): Likewise.
5416 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5418 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5420 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5421 is operand of switch, not str[0].
5423 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5425 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5426 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5428 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5430 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5431 end of insn_extra_address_constraint declaration.
5433 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5435 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5436 (no-sum-in-toc): Same.
5437 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5439 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5440 NO_FP_IN_TOC for -fPIC instead of mask.
5442 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5443 (BOOT_LDFLAGS): Delete.
5445 * config/rs6000/t-aix52: Same.
5447 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5448 (stmsi[345678]_power): New.
5450 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5452 * config/ia64/ia64.opt: Add empty line to end of file.
5454 2006-03-17 Richard Guenther <rguenther@suse.de>
5457 * builtins.c (get_pointer_alignment): For component style references
5458 adjust alignment to the component type alignment. Make sure
5459 to adjust alignment for component access of constants.
5461 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5463 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5466 2006-03-17 Paul Brook <paul@codesourcery.com>
5468 * doc/install.texi: Docuemnt --with-mode.
5469 * config.gcc: Add --with-mode for arm*-*-*.
5470 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5472 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5474 * sh.c (max_labelno_before_reorg): New variable.
5475 (sh_reorg): Initialize it.
5476 (find_barrier): Check max_labelno_before_reorg before using
5477 label_to_alignment. Take length of explicit alignment insns
5478 into account. When seeing a UNSPECV_CONST_END, return it.
5480 * sh.c (fixup_mova): Set mode of affected label to QImode.
5481 (untangle_mova): New function.
5482 (find_barrier): Use it. Check mode of label before decrementing
5484 (sh_reorg): Likewise.
5485 Set mode of all insns back to VOIDmode.
5487 * sh.c (MOVA_LABELREF): New macro.
5488 (mova_p, fixup_mova, sh_reorg): Use it.
5489 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5490 ADDR_DIFF_VEC matches mova.
5492 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5494 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5495 with ATTRIBUTE_UNUSED.
5497 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5499 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5500 pointer, instead of assuming it is possible to derive the
5501 correct args size from a call insn.
5503 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5505 * rtl.h (CONST_INT_P): Define.
5506 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5507 instead of GET_CODE(x) == CONST_INT.
5508 (vax_rtx_costs): Likewise.
5509 (vax_output_int_move): Likewise.
5510 (vax_output_int_add): Likewise.
5511 (legitimate_constant_address_p): Likewise.
5512 (index_term_p): Likewise.
5513 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5514 * config/vax/vax.md (and<mode>3): Likewise.
5515 (ashrsi3): Likewise.
5517 (movstricthi): Likewise.
5518 (movstrictqi): Likewise.
5519 (rotrsi3): Likewise.
5520 (five unnamed insns): Likewise.
5522 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5524 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5525 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5526 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5527 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5528 Pass to ASM_OUTPUT_DWARF_OFFSET.
5529 * dwarf2out.c (debug_frame_section): New.
5530 (output_call_frame_info): Use debug_frame_section. Pass it to
5531 dw2_asm_output_offset.
5532 (output_die): Pass appropriate section to dw2_asm_output_offset.
5533 (output_compilation_unit_header): Likewise.
5534 (output_pubnames): Likewise.
5535 (output_aranges): Likewise.
5536 (enum dw_val_class): Break dw_val_class_lbl_offset into
5537 dw_val_class_lineptr and dw_val_class_macptr.
5538 (add_AT_lbl_offset): Delete.
5539 (add_AT_lineptr): New.
5540 (add_AT_macptr): New.
5541 (AT_lbl): Expect a lineptr or macptr.
5542 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5543 (attr_checksum): Likewise.
5544 (same_dw_val_p): Likewise.
5545 (size_of_die): Likewise.
5546 (value_format): Likewise.
5547 (output_die): Likewise.
5548 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5550 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5551 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5552 * config/darwin-protos.h (darwin_file_start): New.
5553 (darwin_asm_output_dwarf_offset): New.
5554 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5555 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5557 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5558 if not EH section; simplify.
5559 (darwin_file_start): New.
5560 (darwin_asm_output_dwarf_offset): New.
5561 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5563 (DEBUG_INFO_SECTION): Likewise.
5564 (DEBUG_ABBREV_SECTION): Likewise.
5565 (DEBUG_ARANGES_SECTION): Likewise.
5566 (DEBUG_MACINFO_SECTION): Likewise.
5567 (DEBUG_LINE_SECTION): Likewise.
5568 (DEBUG_LOC_SECTION): Likewise.
5569 (DEBUG_PUBNAMES_SECTION): Likewise.
5570 (DEBUG_STR_SECTION): Likewise.
5571 (DEBUG_RANGES_SECTION): Likewise.
5572 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5573 (ASM_OUTPUT_DWARF_OFFSET): New.
5575 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5577 * config.gcc (tm_defines): Always add to previous value rather
5580 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5582 * config/mips/predicates.md (splittable_const_int_operand): New,
5583 split from move_operand.
5584 (splittable_symbolic_operand): New.
5585 (move_operand): Add commentary. Use splittable_const_int_operand.
5586 Inline mips_atomic_symbolic_constant_p.
5587 * config/mips/mips.md: Add combine splitters for handling moves
5588 of splittable_const_int_operands and splittable_symbolic_operands.
5589 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5590 (mips_split_symbol): Declare.
5591 (mips_move_integer): Declare.
5592 * config/mips/mips.c (mips_split_p): Make global.
5593 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5594 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5595 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5596 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5597 (mips_offset_within_object_p): Handle block symbols.
5598 (mips_atomic_symbolic_constant_p): Delete.
5599 (mips_cannot_force_const_mem): Return false for constants that
5600 mips_legitimize_move can handle.
5601 (mips_use_blocks_for_constant_p): New function.
5602 (mips_split_symbol): Make global.
5603 (mips_move_integer): Likewise. Add a temporary register argument.
5604 (mips_legitimize_const_move): Use splittable_const_int_operand and
5605 splittable_symbolic_operand.
5606 (mips_use_anchors_for_symbol_p): New function.
5607 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5608 (mips_split_p): Declare.
5610 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5612 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5613 (mips*-*-linux*): Likewise.
5615 2006-03-16 Roger Sayle <roger@eyesopen.com>
5616 Daniel Speyer <dspeyer@wam.umd.edu>
5619 * tree-dump.c (dump_real): New function.
5620 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5621 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5622 (tree-dump.o): Add $(REAL_H) to the dependencies.
5624 2006-03-16 Roger Sayle <roger@eyesopen.com>
5627 * real.c (real_from_string): If the mantissa is zero, don't bother
5628 parsing the exponent as the result should always be zero.
5630 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5632 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5634 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5636 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5637 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5638 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5639 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5640 ia64_sched_finish_global): New static functions to implement
5641 hooks from gcc_target.sched.
5642 (spec_check_no, max_uid, pending_data_specs): New static variables.
5643 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5644 ia64_spec_check_src_p): New static functions.
5645 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5646 (TARGET_SCHED_ADJUST_COST): Removed.
5647 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5648 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5649 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5650 TARGET_SCHED_GEN_CHECK,
5651 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5652 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5653 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5654 Fixed to handle speculation checks.
5655 (rtx_needs_barrier): Fixed to handle speculative loads and
5657 (ia64_variable_issue): Added code to count speculative loads and their
5659 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5661 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5663 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5665 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5666 (ia64_reorg): Reset stops_p to NULL after it is freed.
5667 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5668 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5669 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5671 (data_speculative, control_speculative, check_load): New attributes.
5672 (mov<mode>_advanced, mov<mode>_speculative,
5673 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5674 zero_extend<mode>di2_speculative,
5675 zero_extend<mode>di2_speculative_advanced): New patterns for
5676 data and control speculative loads.
5677 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5679 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5680 New pattern for data and control speculation checks.
5681 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5682 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5683 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5684 Auxiliary definitions for the patterns.
5685 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5686 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5688 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5690 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5691 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5692 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5693 New resource constraints.
5694 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5696 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5697 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5698 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5699 msched-in-control-spec, msched-ldc, msched-control-ldc,
5700 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5701 msched-prefer-non-control-spec-insns,
5702 msched-count-spec-in-critical-path): New flags to tune speculative
5704 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5705 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5706 msched-in-control-spec, msched-ldc, msched-control-ldc,
5707 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5708 msched-prefer-non-control-spec-insns,
5709 msched-count-spec-in-critical-path): Document new flags.
5711 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5713 * target.h (struct spec_info_def): New opaque declaration.
5714 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5715 speculate_insn, needs_block_p, gen_check,
5716 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5717 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5718 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5719 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5720 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5721 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5723 (TARGET_SCHED): Use new macros.
5724 * rtl.h (copy_DEPS_LIST_list): New prototype.
5725 * sched-int.h (struct sched_info): Change signature of new_ready field,
5726 adjust all initializations. New fields: add_remove_insn,
5727 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5728 region_head_or_leaf_p.
5729 (struct spec_info_def): New structure declaration.
5730 (spec_info_t): New typedef.
5731 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5732 recovery_block, orig_pat.
5733 (glat_start, glat_end): New variables declaraions.
5734 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5736 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5737 DETACH_LIFE_INFO, USE_GLAT.
5738 (enum SPEC_SCHED_FLAGS): New enumeration.
5739 (NOTE_NOTE_BB_P): New macro.
5740 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5741 attach_life_info, debug_spec_status, check_reg_live): New functions.
5742 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5743 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5745 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5746 * ddg.c (get_block_head_tail): Adjust all uses.
5747 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5748 (sms_sched_info): Initialize new fields.
5749 (contributes_to_priority): Removed.
5750 * haifa-sched.c (params.h): New include.
5751 (get_block_head_tail): Adjust all uses.
5752 (ISSUE_POINTS): New macro.
5753 (glat_start, glat_end): New global variables.
5754 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5755 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5756 old_last_basic_block, before_recovery, current_sched_info_var,
5757 rgn_n_insns, luid): New static variables.
5758 (insn_cost1): New function. Move logic from insn_cost to here.
5759 (find_insn_reg_weight1): New function. Move logic from
5760 find_insn_reg_weight to here.
5761 (reemit_notes, move_insn, max_issue): Change signature.
5762 (move_insn1): Removed.
5763 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5764 extend_bb): New static functions to support extension of scheduler's
5766 (generate_recovery_code, process_insn_depend_be_in_spec,
5767 begin_speculative_block, add_to_speculative_block,
5768 init_before_recovery, create_recovery_block, create_check_block_twin,
5769 fix_recovery_deps): New static functions to support
5770 generation of recovery code.
5771 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5772 restore_bb_notes, move_block_after_check, move_succs): New static
5773 functions to support ebb scheduling.
5774 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5775 functions to support handling of register live information.
5776 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5777 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5778 add_jump_dependencies): New static functions.
5779 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5780 consistancy checking.
5781 (debug_spec_status): New function to call from debugger.
5782 (priority): Added code to handle speculation checks.
5783 (rank_for_schedule): Added code to distinguish speculative instructions.
5784 (schedule_insn): Added code to handle speculation checks.
5785 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5786 Fixed to handle ebbs.
5787 (move_insn): Added code to handle ebb scheduling.
5788 (max_issue): Added code to use ISSUE_POINTS of instructions.
5789 (choose_ready): Added code to choose between speculative and
5790 non-speculative instructions.
5791 (schedule_block): Added code to handle ebb scheduling and scheduling of
5792 speculative instructions.
5793 (sched_init): Initialize new variables.
5794 (sched_finish): Free new variables. Print statistics.
5795 (try_ready): Added code to handle speculative instructions.
5796 * lists.c (copy_DEPS_LIST_list): New function.
5797 * sched-deps.c (extend_dependency_caches): New function. Move logic
5798 from create_dependency_caches to here.
5799 (get_dep_weak, ds_merge): Make global.
5800 * genattr.c (main): Code to output prototype for
5801 dfa_clear_single_insn_cache.
5802 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5803 (output_dfa_clean_insn_cache_func): Code to output
5804 dfa_clear_single_insn_cache function.
5805 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5807 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5809 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5810 New static variables.
5811 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5812 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5814 (ebb_sched_info): Initialize new fields.
5815 (get_block_head_tail): Adjust all uses.
5816 (compute_jump_reg_dependencies): Fixed to use glat_start.
5817 (schedule_ebb): Code to remove unreachable last block.
5818 (schedule_ebbs): Added code to update register live information.
5819 * sched-rgn.c (region_sched_info): Initialize new fields.
5820 (get_block_head_tail): Adjust all uses.
5821 (last_was_jump): Removed. Adjust users.
5822 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5823 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5824 Implement new hooks.
5825 (check_dead_notes1): New static function.
5826 (struct region): New fields: dont_calc_deps, has_real_ebb.
5827 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5828 (BB_TO_BLOCK): Fixed to handle EBBs.
5829 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5830 (ebb_head): New static variable.
5831 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5832 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5834 (compute_dom_prob_ps): New assertion.
5835 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5836 global_live_at_start.
5837 (init_ready_list): New assertions.
5838 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5839 (new_ready): Add support for BEGIN_CONTROL speculation.
5840 (schedule_insns): Fixed code that updates register live information
5842 (schedule_region): Fixed to handle EBBs.
5843 (init_regions): Use extend_regions and check_dead_notes1.
5844 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5845 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5846 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5847 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5848 TARGET_SCHED_GEN_CHECK,
5849 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5850 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5851 * doc/invoke.texi (max-sched-insn-conflict-delay,
5852 sched-spec-prob-cutoff): Document.
5854 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5856 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5857 inter_tick, queue_index.
5858 (struct sched_info): Change signature of init_ready_list field.
5859 Adjust all initializations.
5860 (RESOLVED_DEPS): New access macro.
5861 (ready_add): Remove prototype.
5862 (try_ready): Add prototype.
5863 * sched-rgn.c (init_ready_list): Use try_ready.
5864 (schedule_region): Initialize
5865 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5866 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5867 (init_ready_list): Use try_ready.
5868 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5869 * lists.c (remove_list_elem): Remove `static'.
5870 (remove_free_INSN_LIST_elem): New function.
5871 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5872 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5873 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5875 (readyp): New variable.
5876 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5877 change_queue_index, resolve_dep): New static functions.
5878 (try_ready): New function. Adjust callers in sched-rgn.c and
5879 sched-ebb.c to use it instead of ready_add.
5880 (clock_var): Move at the begining of file.
5881 (rank_for_schedule): Fix typo.
5882 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5883 (ready_lastpos): Enforce assertion.
5884 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5886 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5887 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5888 (queue_to_ready): Use free_INSN_LIST_list.
5889 (early_queue_to_ready): Fix typo.
5890 (schedule_block): Init readyp. Move init_ready_list call after the
5891 initialization of clock_var. Fix error in rejecting insn by
5892 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5893 that previously corrected INSN_TICKs. Add code for handling
5895 (set_priorities): Fix typo.
5896 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5897 Clarify comment and code that keeps current_sched_info->next_tail
5900 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5902 * sched-rgn.c (extend_rgns): New static function.
5903 (find_rgns): Use it.
5904 (gather_region_statistics, print_region_statistics): New static
5906 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5907 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5909 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5910 Andrey Belevantsev <abel@ispras.ru>
5912 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5913 * lists.c (unused_deps_list): New variable.
5914 (free_list): Add assertions to verify the proper distinguishing
5915 between INSN_LISTs and DEPS_LISTs.
5916 (find_list_elem, remove_list_elem, remove_list_node): New static
5918 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5919 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5920 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5921 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5923 (free_INSN_LIST_node): Likewise.
5924 * modulo-sched.c (current_sched_info): Initialize flags field.
5925 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5926 * rtl.def (DEPS_LIST): Define.
5927 * rtl.h: Declare new functions from lists.c.
5928 * sched-deps.c (spec_dependency_cache): New static variable.
5929 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5930 (add_dependence): Change return type to void. Move the logic to ...
5931 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5932 (delete_all_dependences): Add comment about forward_dependency_cache.
5933 Handle spec_dependency_cache. Handle DEPS_LISTs.
5934 (fixup_sched_groups): Clarify the change of priority of output
5935 and anti dependencies.
5936 (sched_analyze_2): Adjust add_dependence calls to create data
5937 speculative dependence.
5938 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5939 Adjust all callers. Handle DEPS_LISTS.
5940 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5941 presence of speculation.
5942 (init_dependency_caches, free_dependency_caches):
5943 Handle spec_dependency_cache.
5944 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5945 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5946 New static functions.
5947 (add_or_update_back_dep, add_or_update_back_forw_dep,
5948 add_back_forw_dep, delete_back_forw_dep): New functions.
5949 * sched-int.h (ds_t, dw_t): New typedefs.
5950 (struct sched_info): Add new field flags.
5951 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5952 Prototype new sched-deps.c functions.
5953 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5954 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5955 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5956 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5957 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5958 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5960 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5962 * sched-rgn.c (current_sched_info): Initialize flags field.
5963 (schedule_insns): Initialize current_sched_info before the sched_init
5965 * sched-ebb.c (current_sched_info): Initialize flags field.
5966 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5967 Call add_or_update_back_dep instead of add_dependence.
5968 Create control speculative dependencies.
5969 (schedule_insns): Initialize current_sched_info before the sched_init
5972 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5974 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5976 (sh_fallback_frame_state): Likewise.
5978 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5980 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5981 Do switch on default_use_cxa_atexit.
5982 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5983 * config/darwin-crt3.o: New.
5984 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5985 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5986 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5988 * config/rs6000/t-darwin: Move crt2.o building to here.
5989 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5990 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5993 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5995 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5996 from '! xxx' to '!xxx' for coding-style conformance.
5997 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5998 (EXTRA_CONSTRAINT): Likewise.
5999 * config/vax/vax.md (four unnamed insns): Likewise.
6001 2006-03-15 Paul Brook <paul@codesourcery.com>
6003 * config/arm/arm.c (minipool_pad): New.
6004 (add_minipool_forward_ref): Include pool alignment padding in address
6006 (push_minipool_fix): Set minipool_pad.
6007 (minipool_pad): Ditto.
6009 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6011 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6012 instead of GET_CODE() == MEM and REG_P() instead of
6014 (print_operand_address): Likewise.
6015 (vax_address_cost): Likewise.
6016 (vax_rtx_costs): Likewise.
6017 (vax_notice_update_cc): Likewise.
6018 (vax_output_int_add): Likewise.
6019 (INDEX_REGISTER_P): Likewise.
6020 (BASE_REGISTER_P): Likewise.
6021 (nonindexed_address_p): Likewise.
6022 (vax_mode_dependent_address_p): Likewise.
6023 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6024 (PRINT_OPERAND): Likewise.
6025 * config/vax/vax.md (ashlsi3): Likewise.
6026 (ashlsi3): Likewise.
6027 (some more unnamed insns): Likewise.
6029 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6031 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6032 iterator-style macro.
6033 (mark_control_dependent_edges_necessary): Update the use of
6034 EXECUTE_IF_CONTROL_DEPENDENT.
6036 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6038 * config/sh/predicates.md (cache_address_operand): Special.
6039 (ua_address_operand): Likewise.
6041 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6043 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6045 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6047 2006-03-15 Andreas Schwab <schwab@suse.de>
6049 * gensupport.c (identify_predicable_attribute): Don't free p_false
6050 when it is still in use.
6052 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6054 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6055 the default setting here.
6057 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6059 * tree-pass.h (pass_cfg): Remove.
6060 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6061 * passes.c (pass_cfg): Don't run it.
6063 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6065 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6066 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6068 (stack_regs_mentioned): Update the uses of
6069 stack_regs_mentioned_data. Don't access the array beyond its
6071 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6072 Don't include gt-reg-stack.h.
6074 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6075 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6077 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6080 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6083 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6085 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6087 2006-03-14 Richard Guenther <rguenther@suse.de>
6089 PR tree-optimization/26672
6090 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6093 2006-03-14 Richard Guenther <rguenther@suse.de>
6095 PR tree-optimization/26667
6096 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6097 node for the callees. Always allow inlining if it will shrink
6100 2006-03-14 Richard Guenther <rguenther@suse.de>
6103 * builtins.c (get_pointer_alignment): Prefer alignment
6104 information from decls over that from types.
6106 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6109 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6111 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6113 * config/rs6000/rs6000.opt (mdlmzb): New option.
6114 (msched-prolog, msched-epilog): Use Var not Mask.
6115 * doc/invoke.texi (-mdlmzb): Document.
6116 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6118 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6119 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6121 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6123 PR rtl-optimization/25739
6124 * bt-load.c (augment_live_range): Free tos pointer.
6126 * gensupport.c (identify_predicable_attribute): Free
6128 * gcov.c (create_file_names): Free name pointer.
6130 2006-03-13 Roger Sayle <roger@eyesopen.com>
6133 * stmt.c (emit_case_nodes): Handle the case where the index is a
6134 CONST_INT, where the comparison mode is specified by the index type.
6136 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6138 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6141 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6143 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6144 (*branch_fp_inverted): Likewise.
6146 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6149 * omp-low.c (expand_omp_for_generic): Mark istart0
6150 and iend0 as addressable.
6152 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6154 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6156 2006-03-13 Jeff Law <law@redhat.com>
6158 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6159 virtual operands are interesting.
6160 (vrp_visit_stmt): Corresponding changes.
6162 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6164 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6166 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6167 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6168 * config/bfin/crti.S: Use it instead of __PIC__.
6169 * config/bfin/crtn.S: Likewise.
6171 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6172 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6174 Lose 'G' modifier for call operand.
6175 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6176 recognize 'G' modifier.
6178 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6181 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6182 * stmt.c (expand_case): Likewise.
6184 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6186 PR rtl-optimization/26254
6187 * loop-invariant.c (seq_insns_valid_p): New function.
6188 (move_invariant_reg): Only emit new code if it is valid.
6190 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6192 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6194 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6195 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6196 (commit_one_edge_insertion): Do not look for loop notes.
6198 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6200 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6201 flag_test_coverage out of loop.
6203 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6205 * final.c (shorten_branches): Remove outdated comment, and turn
6206 the if branch that guards it to continue.
6208 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6210 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6211 * cfgloop.h (struct loop): Remove unused fields.
6213 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6215 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6216 (-dL, -fdump-rtl-loop2): Update the dump file names
6218 * doc/invoke.texi: Update dump file names.
6220 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6222 * predict.c (estimate_probability): Remove.
6223 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6224 * basic-block.h (estimate_probability): Remove prototype.
6225 * passes.c (finish_optimization_passes): Dump branch prediction or
6226 profiling heuristics to the .profile tree dump.
6227 (init_optimization_passes): Unqueue pass_branch_prob.
6229 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6231 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6233 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6234 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6236 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6238 * function.h (frame_offset_overflow): Declare.
6239 * function.c (frame_offset_overflow): New function.
6240 (assign_stack_local_1): Call it to detect that the offset overflows.
6241 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6243 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6245 * config/sh/sh.c: Include alloc-pool.h.
6246 (label_ref_list_pool): New alloc pool.
6247 (label_ref_list_t): New type for lists of labels.
6248 (struct pool_node): Make wend a label_ref_list_t.
6249 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6251 (dump_table): Likewise.
6252 (sh_reorg): Set up the alloc pool before using add_constant and
6253 dump_table, and destroy it when finishing.
6255 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6257 * config/mips/mips.c: Remove redundant comment.
6259 2006-03-10 Jason Merrill <jason@redhat.com>
6262 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6263 the target was declared 'register'.
6265 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6267 * genpreds.c (write_insn_constraint_len): Change definition of
6268 insn_constraint_len to return size_t to match the declaration.
6270 2006-03-10 DJ Delorie <dj@redhat.com>
6272 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6274 (m32c_expand_insv): Fix test for an AND mask.
6276 2006-03-10 Richard Guenther <rguenther@suse.de>
6279 * builtins.c (get_pointer_alignment): Handle component
6280 references for field alignment.
6282 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6284 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6285 when building with libgloss.
6286 (sh*elf): Implement --without-fp option.
6287 (sh64-superh-linux*): Don't multilib.
6289 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6291 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6293 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6295 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6296 Set it when one of the replacement functions returned true.
6297 Return TODO_cleanup_cfg if cfgchanged is true.
6298 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6300 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6302 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6303 instead of gen_lowpart.
6305 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6307 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6309 (mips_output_order_conditional_branch): Declare.
6310 * config/mips/mips.h (MIPS_BRANCH): New macro.
6311 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6312 for the comparison. Use gen_condjump.
6313 (mips_output_conditional_branch): Rework interface to take the
6314 asm templates for a direct branch and the inverse of a direct branch.
6315 (mips_output_order_conditional_branch): New function.
6316 (mips_builtin_branch_and_move): New function.
6317 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6318 branch condition. Use gen_single_cc as the condition for
6319 __builtin_mips_upper_* or __builtin_mips_lower_*.
6320 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6321 Use VOIDmode for the branch condition.
6322 * config/mips/predicates.md (order_operator): New predicate.
6323 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6324 (branch_fp): Rename to...
6325 (*branch_fp): ...this. Remove mode from comparison operator.
6326 Use new mips_output_conditional_branch interface.
6327 (branch_fp_inverted): Rename to...
6328 (*branch_fp_inverted): ...this and update as for *branch_fp.
6329 (*branch_zero<mode>): Rename to...
6330 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6331 Use mips_output_order_conditional_branch. Only accept ordered
6333 (*branch_zero<mode>_inverted): Rename to...
6334 (*branch_order<mode>_inverted): ...this and update as for
6335 *branch_order<mode>.
6336 (*branch_equality<mode>): Accept zero as the second operand to
6337 the equality operator. Use the new mips_output_conditional_branch
6339 (*branch_equality<mode>_inverted): Likewise.
6340 (condjump): New expander.
6341 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6343 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6344 (bc1any2t, bc1any2f): Likewise.
6345 (single_cc): New expander.
6346 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6348 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6350 * doc/md.texi: Update documentation of MIPS constraints.
6351 * config/mips/constraints.md: New file.
6352 * config/mips/mips.md: Include it.
6353 * config/mips/mips.c (mips_char_to_class): Delete.
6354 (override_options): Don't initialize mips_char_to_class.
6355 * config/mips/mips.h (mips_char_to_class): Delete.
6356 (REG_CLASS_FROM_LETTER): Delete.
6357 (CONST_OK_FOR_LETTER_P): Delete.
6358 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6359 (EXTRA_CONSTRAINT_Y): Delete.
6360 (EXTRA_CONSTRAINT_STR): Delete.
6361 (CONSTRAINT_LEN): Delete.
6362 (EXTRA_MEMORY_CONSTRAINT): Delete.
6364 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6366 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6367 original fn's eh regions.
6369 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6371 * fold-const.c (build_range_check): Make sure to use a valid type to
6372 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6375 (range_predecessor): New static function.
6376 (range_successor): Likewise.
6377 (merge_ranges): Use them to compute predecessors and successors of
6380 2006-03-09 Roger Sayle <roger@eyesopen.com>
6383 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6384 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6386 2006-03-08 DJ Delorie <dj@redhat.com>
6388 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6389 (addpsi3): Expand to include memory operands. Remove
6390 reload-specific splits.
6391 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6392 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6393 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6394 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6395 (shift1_qi, shift1_hi, insv): New.
6396 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6397 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6398 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6400 * config/m32c/m32c-protos.h: Update as needed.
6401 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6402 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6403 Fail for unrecognized R* constraints.
6404 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6405 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6406 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6408 (m32c_init_libfuncs): New.
6409 (m32c_legitimate_address_p): Add debug wrapper.
6410 (m32c_rtx_costs): New.
6411 (m32c_address_cost): New.
6412 (conversions): Add 'B' prefix.
6413 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6414 operands, or word regnames for QI operands. 'B' prints bit
6416 (m32c_expand_setmemhi): New.
6417 (m32c_expand_movmemhi): New.
6418 (m32c_expand_movstr): New.
6419 (m32c_expand_cmpstr): New.
6420 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6421 (m32c_expand_neg_mulpsi3): Handle non-ints.
6422 (m32c_cmp_flg_0): New.
6423 (m32c_expand_movcc): New.
6424 (m32c_expand_insv): New.
6425 (m32c_scc_pattern): New.
6426 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6427 a0/a1 out of SIregs.
6428 (STORE_FLAG_VALUE): New.
6429 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6432 * config/m32c/mov.md: Make constraints more liberal.
6433 (zero_extendqihi2): Optimize r0/r1 case.
6434 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6435 * config/m32c/predicates.md (m32c_any_operand): New.
6436 (m32c_nonimmediate_operand): New.
6437 (m32c_hl_operand): New.
6438 (m32c_r3_operand): New.
6441 (memsym_operand): New.
6442 (memimmed_operand): New.
6443 (a_qi_operand): New.
6444 (m32c_eqne_operator): New.
6445 (m32c_1bit8_operand): New.
6446 (m32c_1bit16_operand): New.
6447 (m32c_1mask8_operand): New.
6448 (m32c_1mask16_operand): New.
6449 * config/m32c/blkmov.md: New file.
6450 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6452 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6454 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6455 unsigned to fix signed/unsigned comparison issue in
6456 DWARF2_FRAME_REG_OUT.
6457 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6458 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6460 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6461 of ptr into the ENABLE_CHECKING section.
6463 2006-03-08 Jeff Law <law@redhat.com>
6465 * tree-vrp.c (infer_value_range): Only count pointer uses
6466 and dereferences if -fdelete-null-pointer-checks is enabled.
6468 * tree-vrp.c (find_assert_locations): Infer value ranges for
6469 single use pointers, but do not create ASSERT_EXPRs for them.
6470 When a non-null range is inferred for a pointer, backwards
6471 propagate that range to other equivalent pointers through the
6474 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6477 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6478 language hook targets.
6479 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6480 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6481 if language hook targets were missing.
6483 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6485 * tree-ssa-opfinalize.h: Removed.
6486 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6488 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6489 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6490 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6491 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6492 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6493 finalize_ssa_v_must_def_ops): New.
6495 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6497 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6500 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6502 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6504 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6505 addresses with offsets; reorganize.
6507 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6508 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6509 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6511 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6514 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6516 2006-03-08 Ben Elliston <bje@au.ibm.com>
6518 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6520 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6523 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6526 2006-03-07 Richard Guenther <rguenther@suse.de>
6528 PR tree-optimization/26587
6529 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6531 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6533 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6535 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6537 * hooks.c (hook_bool_mode_rtx_true): New function.
6538 * hooks.h (hook_bool_mode_rtx_true): Declare.
6539 * toplev.c (compile_file): Call output_shared_constant_pool.
6540 * varasm.c (shared_constant_pool): New variable.
6541 (assemble_start_function, assemble_end_function): Remove arguments
6542 from call to output_constant_pool.
6543 (create_constant_pool): New function, split out from...
6544 (init_varasm_status): ...here.
6545 (force_const_mem): Choose between the shared and per-function constant
6546 pools. Set current_function_uses_const_pool when reusing old entries
6547 as well as when creating new ones.
6548 (mark_constant): Ignore data argument.
6549 (mark_constants): Remove pool argument.
6550 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6551 to decide whether the function uses a constant pool.
6552 (output_constant_pool_contents): New function, split out from...
6553 (output_constant_pool): ...here.
6554 (output_shared_constant_pool): New function.
6555 (init_varasm_once): Initialize shared_constant_pool.
6556 * output.h (output_constant_pool): Delete.
6557 (output_shared_constant_pool): Declare.
6558 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6559 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6561 2006-03-06 Nick Clifton <nickc@redhat.com>
6563 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6564 flag_strength_reduce.
6566 2006-03-06 Ben Elliston <bje@au.ibm.com>
6568 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6569 x86_64-*-linux* configurations.
6571 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6572 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6574 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6576 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6578 * basic-block.h: Remove the extern for
6579 rediscover_loops_after_threading.
6581 * cfgloop.c (cancel_loop): Make it static.
6582 * cfgloop.h: Remove the prototype for cancel_loop.
6584 * flow.c (recompute_reg_usage): Make it static.
6585 * rtl.h: Remove the prototype for recompute_reg_usage.
6587 * function.c (use_return_register): Make it static.
6588 * function.h: Remove the prototype.
6590 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6592 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6594 * recog.h: Remove the prototype for
6595 validate_change_maybe_volatile.
6597 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6599 * rtlanal.c (replace_reg): Remove.
6600 * rtl.h: Remove the prototype for replace_reg.
6602 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6604 * regclass.c (reg_scan_update): Remove.
6605 (reg_scan_mark_refs): Remove the last argument.
6606 * rtl.h: Remove the prototype for reg_scan_update.
6608 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6610 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6611 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6612 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6613 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6614 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6615 loop-invariant.c, omp-low.c, opts.c, passes.c,
6616 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6617 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6618 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6619 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6620 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6621 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6623 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6625 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6626 * dwarf2out.h: Remove the prototype for
6627 dwarf2out_add_library_unit_info.
6629 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6631 * tree.c (add_var_to_bind_expr): Remove.
6632 * tree.h: Remove the prototype for add_var_to_bind_expr.
6634 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6636 * regclass.c (n_non_fixed_regs): Remove.
6637 (init_reg_sets_1, globalize_reg): Remove all uses of
6639 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6641 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6643 * rtlanal.c (insns_safe_to_move_p): Remove.
6644 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6646 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6648 * expmed.c (expand_mult_add): Remove.
6649 * expr.h: Remove the prototype for expand_mult_add.
6651 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6653 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6654 and REG_SAVED_VAL_EXP constants.
6655 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6656 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6657 Handle regs stored by value.
6658 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6659 (execute_cfa_program): Handle DW_CFA_val_offset,
6660 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6661 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6662 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6663 (uw_install_context_1): Handle target regs stored by value.
6665 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6667 * tree-sra.c (tree_sra): Return todoflags;
6668 (generate_one_element): Set TODO_update_smt_usage if needed.
6669 (pass_sra): Remove TODO_update_smt_usage.
6670 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6672 (tree_ssa_forward_propagate_single_use_vars): Return
6673 TODO_update_smt_usage if we need to update SMT usage.
6674 (pass_forwprop): Remove TODO_update_smt_usage.
6676 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6678 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6679 (correct_use_link): Remove reference to get_stmt_operands.
6680 (update_stmt_operands): Likewise.
6681 (get_modify_expr_operands): New function factored out of
6682 parse_ssa_operands and get_expr_operands.
6683 Try to create V_MUST_DEFs for LHS by default.
6684 (get_expr_operands) <case MODIFY_EXPR>: Call
6685 get_modify_expr_operands.
6686 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6687 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6688 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6689 get_modify_expr_operands.
6691 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6693 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6694 * tree-flow.h: Remove the prototype for
6695 referenced_var_lookup_if_exists.
6697 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6699 PR rtl-optimization/26345
6701 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6703 2006-03-03 Roger Sayle <roger@eyesopen.com>
6705 PR tree-optimization/26524
6706 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6707 fold_convert to create a constant of the appropriate type.
6709 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6711 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6712 SYMBOL_REF_IN_BLOCK_P.
6713 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6714 of SYMBOL_FLAG_IN_BLOCK.
6715 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6716 instead of SYMBOL_REF_IN_BLOCK_P.
6717 * explow.c (use_anchored_address): Likewise.
6718 * rtl.c (rtx_size): Likewise.
6719 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6720 instead of SYMBOL_FLAG_IN_BLOCK.
6721 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6722 SYMBOL_REF_IN_BLOCK_P.
6723 (assemble_variable): Likewise.
6724 (output_constant_def_contents): Likewise.
6725 (output_constant_pool): Likewise.
6726 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6727 instead of SYMBOL_FLAG_IN_BLOCK.
6728 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6729 SYMBOL_REF_IN_BLOCK_P.
6730 (SYMBOL_REF_BLOCK): Likewise.
6731 (SYMBOL_REF_OFFSET): Likewise.
6732 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6733 SYMBOL_REF_IN_BLOCK_P.
6734 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6735 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6736 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6737 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6739 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6741 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6743 2006-03-02 Roger Sayle <roger@eyesopen.com>
6745 * simplify-rtx.c (simplify_unary_operation): When simplifying
6746 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6747 that we perform the right shift in the appropriate mode, and
6748 then extend or truncate the result to requested mode.
6750 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6752 * gengtype.c (main): Handle double_int type.
6753 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6754 * double-int.c: New file.
6755 * double-int.h: New file.
6756 * system.h: Include doubleint.h.
6757 * Makefile.in (SYSTEM_H): Include double-int.h.
6758 (double-int.o): Add.
6760 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6763 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6766 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6768 * tree-vrp.c (remove_range_assertions): Do not update statements
6771 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6773 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6775 * gcse.c (rest_of_handle_gcse): Ditto.
6776 * except.c (gate_handle_eh): Ditto.
6777 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6778 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6780 2006-03-02 Eric Christopher <echristo@apple.com>
6782 * config/i386/i386.c (machopic_output_stub): Add indirection to
6785 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6789 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6791 Sun Niagara specific optimizations.
6792 * config.gcc: Recognize niagara as target.
6793 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6794 (TARGET_CPU_niagara): Define.
6795 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6796 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6797 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6798 (ASM_CPU_SPEC): Likewise.
6799 (PROCESSOR_NIAGARA): New enum entry.
6800 (REGISTER_MOVE_COST): Handle Niagara.
6801 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6802 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6803 (sparc_override_options): Recognize "niagara", set appropriate
6804 default MASK_* values for it, and align functions to 32-bytes
6805 by default just like ULTRASPARC/ULTRASPARC3.
6806 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6807 (sparc64_initialize_trampoline): Likewise.
6808 (sparc_use_sched_lookahead): Use zero for niagara.
6809 (sparc_issue_rate): Use one for niagara.
6810 * config/sparc/niagara.md: New file.
6811 * config/sparc/sparc.md: Include it.
6812 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6813 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6814 when default cpu is niagara.
6815 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6816 (ASM_CPU_SPEC): Likewise.
6817 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6818 when default cpu is niagara.
6819 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6820 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6821 just like v9/ultrasparc/ultrasparc3.
6822 * doc/invoke.texi: Add documentation for "niagara" and improve
6823 existing documentation for ultrasparc variants.
6825 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6827 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6829 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6831 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6832 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6833 and say that only one is needed.
6834 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6835 * target.h (have_switchable_bss_sections): New hook.
6836 * explow.c (use_anchored_address): Check that the symbol is in a block.
6837 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6838 (bss_noswitch_section): New variables.
6839 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6840 (get_noswitch_section): New function.
6841 (get_block_for_section): Allow SECT to be null.
6842 (unlikely_text_section_p): Use SECTION_STYLE.
6843 (bss_initializer_p): New function.
6844 (get_variable_section): Move earlier in file. Take a new argument,
6845 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6846 Return one of the new *_sections in such cases.
6847 (get_block_for_decl): New function, extracting some logic from
6848 use_blocks_for_decl_p.
6849 (change_symbol_section): Remove in favor of...
6850 (change_symbol_block): ...this new function.
6851 (use_blocks_for_decl_p): Remove checks now performed by
6853 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6854 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6855 (emit_local, emit_bss, emit_common): ...these new functions.
6856 Return true if the alignment was honored.
6857 (emit_tls_common): New function.
6858 (asm_emit_uninitialised): Delete.
6859 (assemble_variable_noswitch): New function, split out from...
6860 (assemble_variable): ...here. Don't make decisions about common
6861 variables here. Globalize all public decls that go into non-common
6862 sections. Check whether SYMBOL_REF_BLOCK is null.
6863 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6864 (output_constant_pool): Likewise.
6865 (init_varasm_once): Initialize the new section variables.
6866 (have_global_bss_p): New function.
6867 (categorize_decl_for_section): Use bss_initializer_p.
6868 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6869 (place_block_symbol): Assert that the symbol must be in a block.
6870 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6871 (TARGET_INITIALIZER): Include it.
6872 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6873 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6874 (SECTION_MACH_DEP): Bump by two.
6875 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6876 (unnamed_section): Mention SECTION_UNNAMED in comment.
6877 (named_section): Likewise SECTION_NAMED.
6878 (noswitch_section_callback): New type.
6879 (noswitch_section): New structure.
6880 (section): Add a noswitch_section alternative.
6881 (SECTION_STYLE): New macro.
6882 (tls_comm_section, comm_section, lcomm_section): Declare.
6883 (bss_noswitch_section, have_global_bss_p): Declare.
6884 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6885 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6887 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6888 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6891 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6893 * tree-vrp.c (execute_vrp): Return value.
6894 * regrename.c (rest_of_handle_regrename): Ditto.
6895 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6896 * tree-complex.c (tree_lower_complex): Ditto.
6897 (tree_lower_complex_O0): Ditto.
6898 * tracer.c (rest_of_handle_tracer): Ditto.
6899 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6900 * postreload.c (rest_of_handle_postreload): Ditto.
6901 * tree-tailcall.c (execute_tail_recursion): Ditto.
6902 (execute_tail_calls): Ditto.
6903 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6904 * tree.h (init_function_for_compilation): Ditto.
6905 * ipa-cp.c (ipcp_driver): Ditto.
6906 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6907 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6908 * final.c (compute_alignments): Ditto.
6909 (rest_of_handle_final): Ditto.
6910 (rest_of_handle_shorten_branches): Ditto.
6911 (rest_of_clean_state): Ditto.
6912 * omp-low.c (execute_expand_omp): Ditto.
6913 (execute_lower_omp): Ditto.
6914 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6915 * ipa-reference.c (static_execute): Ditto.
6916 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6917 * reorg.c (rest_of_handle_delay_slots): Ditto.
6918 (rest_of_handle_machine_reorg): Ditto.
6919 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6920 * flow.c (recompute_reg_usage): Ditto.
6921 (rest_of_handle_remove_death_notes): Ditto.
6922 (rest_of_handle_life): Ditto.
6923 (rest_of_handle_flow2): Ditto.
6924 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6925 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6926 (do_ssa_store_ccp): Ditto.
6927 (execute_fold_all_builtins): Ditto.
6928 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6929 * modulo-sched.c (rest_of_handle_sms): Ditto.
6930 * ipa-pure-const.c (static_execute): Ditto.
6931 * cse.c (rest_of_handle_cse): Ditto.
6932 (rest_of_handle_cse2): Ditto.
6933 * web.c (rest_of_handle_web): Ditto.
6934 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6935 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6936 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6937 * tree-nrv.c (tree_nrv): Ditto.
6938 (execute_return_slot_opt): Ditto.
6939 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6940 (create_structure_vars): Ditto.
6941 * loop-init.c (rtl_loop_init): Ditto.
6942 (rtl_loop_done): Ditto.
6943 (rtl_move_loop_invariants): Ditto.
6944 (rtl_unswitch): Ditto.
6945 (rtl_unroll_and_peel_loops): Ditto.
6946 (rtl_doloop): Ditto.
6947 * gimple-low.c (lower_function_body): Ditto.
6948 (mark_used_blocks): Ditto.
6949 * tree-ssa-sink.c (execute_sink_code): Ditto.
6950 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6951 (cgraph_early_inlining): Ditto.
6952 * global.c (rest_of_handle_global_alloc): Ditto.
6953 * jump.c (cleanup_barriers): Ditto.
6954 (purge_line_number_notes): Ditto.
6955 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6956 (rest_of_handle_if_after_reload): Ditto.
6957 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6958 (tree_ssa_loop_im): Ditto.
6959 (tree_ssa_loop_unswitch): Ditto.
6960 (tree_vectorize): Ditto.
6961 (tree_linear_transform): Ditto.
6962 (tree_ssa_loop_ivcanon): Ditto.
6963 (tree_ssa_empty_loop): Ditto.
6964 (tree_ssa_loop_bounds): Ditto.
6965 (tree_complete_unroll): Ditto.
6966 (tree_ssa_loop_prefetch): Ditto.
6967 (tree_ssa_loop_ivopts): Ditto.
6968 (tree_ssa_loop_done): Ditto.
6969 * predict.c (tree_estimate_probability): Ditto.
6970 * recog.c (split_all_insns_noflow): Ditto.
6971 (rest_of_handle_peephole2): Ditto.
6972 (rest_of_handle_split_all_insns): Ditto.
6973 * tree-eh.c (lower_eh_constructs): Ditto.
6974 * regmove.c (rest_of_handle_regmove): Ditto.
6975 (rest_of_handle_stack_adjustments): Ditto.
6976 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6977 * function.c (instantiate_virtual_regs): Ditto.
6978 (init_function_for_compilation): Ditto.
6979 (rest_of_handle_check_leaf_regs): Ditto.
6980 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6981 (rest_of_handle_gcse): Ditto.
6982 * ipa-type-escape.c (type_escape_execute): Ditto.
6983 * alias.c (rest_of_handle_cfg): Ditto.
6984 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6985 * profile.c (rest_of_handle_branch_prob): Ditto.
6986 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6987 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6988 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6989 * tree-dfa.c (find_referenced_vars): Ditto.
6990 * except.c (set_nothrow_function_flags): Ditto.
6991 (convert_to_eh_region_ranges): Ditto.
6992 (rest_of_handle_eh): Ditto.
6993 * emit-rtl.c (unshare_all_rtl): Ditto.
6994 (remove_unnecessary_notes): Ditto.
6995 * except.h (set_nothrow_function_flags): Ditto.
6996 (convert_to_eh_region_ranges): Ditto.
6997 * cfgexpand.c (tree_expand_cfg): Ditto.
6998 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6999 * tree-ssa-pre.c (do_pre): Ditto.
7000 (execute_fre): Ditto.
7001 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7002 (rest_of_handle_jump2): Ditto.
7003 * tree-sra.c (tree_sra): Ditto.
7004 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7005 (execute_mudflap_function_decls): Ditto.
7006 * tree-ssa-copy.c (do_copy_prop): Ditto.
7007 (do_store_copy_prop): Ditto.
7008 * ipa-prop.h (ipcp_driver): Ditto.
7009 * cfglayout.c (insn_locators_initialize): Ditto.
7010 * tree-ssa-forwprop.c
7011 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7012 * cfglayout.h (insn_locators_initialize): Ditto.
7013 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7014 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7015 (execute_late_warn_uninitialized): Ditto.
7016 * rtl.h (cleanup_barriers): Ditto.
7017 (split_all_insns_noflow): Ditto.
7018 (purge_line_number_notes): Ditto.
7019 (unshare_all_rtl): Ditto.
7020 (remove_unnecessary_notes): Ditto.
7021 (recompute_reg_usage): Ditto.
7022 (variable_tracking_main): Ditto.
7023 * integrate.c (emit_initial_value_sets): Ditto.
7024 * integrate.h (emit_initial_value_sets): Ditto.
7025 * tree-optimize.c (execute_free_datastructures): Ditto
7026 (execute_free_cfg_annotations): Ditto.
7027 (execute_fixup_cfg): Ditto.
7028 (execute_cleanup_cfg_pre_ipa): Ditto.
7029 (execute_cleanup_cfg_post_optimizing): Ditto.
7030 (execute_init_datastructures): Ditto.
7031 * tree-object-size.c (compute_object_sizes): Ditto.
7032 * combine.c (rest_of_handle_combine): Ditto.
7033 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7034 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7035 (rest_of_handle_reorder_blocks): Ditto.
7036 (rest_of_handle_partition_blocks): Ditto.
7037 * var-tracking.c (variable_tracking_main): Ditto.
7038 * tree-profile.c (tree_profiling): Ditto.
7039 * tree-vect-generic.c (expand_vector_operations): Ditto.
7040 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7041 * sched-rgn.c (rest_of_handle_sched): Ditto.
7042 (rest_of_handle_sched2): Ditto.
7043 * basic-block.h (free_bb_insn): Ditto.
7044 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7045 * tree-cfg.c (execute_build_cfg): Ditto.
7046 (remove_useless_stmts): Ditto.
7047 (split_critical_edges): Ditto.
7048 (execute_warn_function_return): Ditto.
7049 (execute_warn_function_noreturn): Ditto.
7050 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7051 * cfgrtl.c (free_bb_for_insn): Ditto.
7052 * passes.c (execute_one_pass): Run additional
7053 todos returned by execute function.
7054 * tree-pass.h (struct tree_opt_pass): Make execute
7057 2006-03-02 Richard Guenther <rguenther@suse.de>
7059 * tree-ssa-alias.c (find_used_portions): Consider taking
7060 the address as making the variable not write-only.
7062 2006-03-02 Nick Clifton <nickc@redhat.com>
7064 * config.gcc (default_use_cxa_atexit): Extend the description of
7065 this configure variable. Set its default value to "yes" for
7066 Linux, NetBSD and ELF targets on the assumption that they will
7067 use C libraries with the __cxa_atexit function.
7069 2006-03-02 Ben Elliston <bje@au.ibm.com>
7071 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7072 parameter as unused to suppress a build warning.
7074 2006-03-02 Ben Elliston <bje@au.ibm.com>
7076 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7079 2006-03-01 Roger Sayle <roger@eyesopen.com>
7082 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7083 declared name, the weak reference name, and the typeof name.
7084 (__gthrw): Avoid expanding the declared name suffix.
7085 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7087 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7089 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7091 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7092 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7093 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7094 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7095 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7096 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7097 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7098 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7099 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7100 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7101 (DW_END_default, DW_END_big, DW_END_little): New.
7102 (DW_END_lo_user, DW_END_hi_user): Define.
7103 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7104 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7105 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7108 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7110 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7112 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7114 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7116 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7118 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7119 to 'symbol_mem_tag'.
7121 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7124 2006-03-01 Roger Sayle <roger@eyesopen.com>
7126 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7128 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7131 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7132 MACHO_DYNAMIC_NO_PIC_P.
7133 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7135 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7138 * config/darwin-protos.h (darwin_asm_output_anchor):
7140 * config/darwin-sections.def (cstring_section):
7141 Add SECTION_MERGE to the flags.
7142 (literal4_section): Likewise.
7143 (literal8_section): Likewise.
7144 (objc_selector_refs_section): Likewise.
7145 (objc_cls_refs_section): Likewise.
7146 * config/darwin.c (darwin_asm_output_anchor): New
7148 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7150 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7152 Fix PR tree-optimization/26443
7153 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7154 to todo and PROP_tmt_usage to properties_destroyed.
7155 * tree-ssa-ccp.c (pass_ccp): Ditto.
7156 (pass_store_ccp): Ditto.
7157 * tree-ssa-dom.c (pass_dominator): Ditto.
7159 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7161 * tree-ssa-operands.c: Cleanup whitespace.
7162 (get_asm_expr_operands): Move before first invocation.
7163 (get_indirect_ref_operands): Likewise.
7164 (get_tmr_operands): Likewise.
7165 (get_call_expr_operands): Likewise.
7166 (append_def): Likewise.
7167 (append_use): Likewise.
7168 (append_v_may_def): Likewise.
7169 (append_v_must_def): Likewise.
7170 (add_call_clobber_ops): Likewise.
7171 (add_call_read_ops): Likewise.
7172 (add_stmt_operand): Likewise.
7173 (add_virtual_operand): Likewise.
7174 (build_ssa_operands): Likewise.
7176 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7181 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7182 with a call expr to ...
7183 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7185 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7187 * tree-vrp.c (extract_range_from_assert): Remove special
7188 handling for types with super-types.
7190 2006-03-01 Ben Elliston <bje@au.ibm.com>
7192 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7193 and powerpc64-*-linux* configurations.
7194 * config/t-dfprules: New file.
7196 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7197 Compile dfp-bit.c from the source directory using -DWIDTH and
7198 $DFP_CFLAGS to control the compilation of that file, rather than
7199 generating width-specific versions in the build directory.
7200 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7201 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7203 2006-02-28 Zack Weinberg <zackw@panix.com>
7205 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7208 2006-02-28 Eric Christopher <echristo@apple.com>
7210 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7211 Set up IN_LIBGCC definition of TARGET_64BIT.
7212 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7214 2006-02-28 Roger Sayle <roger@eyesopen.com>
7217 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7218 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7219 cases via the construction of "expr != 0".
7221 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7223 * alias.c (alias_invariant, alias_invariant_size): Remove.
7224 (record_base_value): Remove.
7225 (memrefs_conflict_p): Don't look at alias_invariant.
7226 (end_alias_analysis): Don't free it.
7227 * alias.h (record_base_value): Remove prototype.
7229 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7230 Adam Nemet <anemet@caviumnetworks.com>
7232 * rtl.h (truncated_to_mode): Declare it.
7233 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7234 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7235 (RTL_HOOKS_INITIALIZER): Include it.
7236 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7237 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7238 reg_truncated_to_mode.
7239 * rtlanal.c (truncated_to_mode): Define it.
7240 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7242 2006-02-28 Jeff Law <law@redhat.com>
7244 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7245 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7246 the range allowed by TYPE_PRECISION.
7248 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7250 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7252 PR tree-optimization/26419
7253 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7256 2006-02-27 Zack Weinberg <zackw@panix.com>
7258 * doc/md.texi: Fix typo in previous change.
7260 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7264 2006-02-27 Zack Weinberg <zackw@panix.com>
7266 * rtl.def (define_constraint, define_register_constraint)
7267 (define_memory_constraint, define_address_constraint): New MD forms.
7268 * gensupport.c (process_rtx): Put define_constraint etc on the
7270 * genpreds.c (process_define_predicate): Adjust comment. Validate
7271 the name, and call validate_exp to validate the expression.
7272 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7273 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7274 all callers changed.
7275 (validate_exp, needs_variable, struct constraint_data)
7276 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7277 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7278 (const_dbl_constraints, constraint_max_namelen)
7279 (have_register_constraints, have_memory_constraints)
7280 (have_address_constraints, have_address_constraints)
7281 (have_extra_constraints, have_const_int_constraints)
7282 (have_const_dbl_constraints, mangle, add_constraint)
7283 (process_define_constraint, process_define_register_constraint)
7284 (write_enum_constraint_num, write_lookup_constraint)
7285 (write_insn_constraint_len, write_regclass_for_constraint)
7286 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7287 (write_insn_extra_memory_constraint)
7288 (write_insn_extra_address_constraint)
7289 (write_satisfies_constraint_fns): New.
7290 (write_tm_preds_h): If we have new-style constraint definitions,
7291 prototype the functions generated from them, and define the
7292 old constraint interface (still used by generic code) in terms of
7294 (write_insn_preds_c): If we have new-style constraint definitions,
7295 generate all relevant functions from those definitions.
7296 (main): Handle define_constraint etc.
7297 * genoutput.c (struct constraint_data, indep_constraints)
7298 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7299 (mdep_constraint_len): New data structures and functions, defined
7300 #ifdef USE_MD_CONSTRAINTS.
7301 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7302 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7303 use new logic to validate operand constraints against constraint
7305 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7307 * defaults.h: If none of the old-style constraint macros are
7308 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7309 old-style macros; and poison REG_CLASS_FROM_LETTER,
7310 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7312 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7313 * doc/md.texi: Document new constraint-definition mechanism and the
7314 C interface it provides. Remove references to old mechanism
7315 elsewhere in the document.
7316 (Machine Constraints): Use pathnames relative to gcc directory,
7317 i.e. config/ARCH/FILE. Change i386 section to refer to
7318 config/i386/predicates.md; update that section to match docstrings.
7319 * doc/tm.texi: Move all documentation of the old constraint-
7320 definition macros to their own section, clearly mark as obsolete.
7322 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7323 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7325 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7326 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7327 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7329 (splits and peepholes): Use satisfies_constraint_*.
7330 * config/i386/i386.c (memory_address_length)
7331 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7333 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7335 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7336 scalar operation to be put back into the loop.
7338 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7341 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7342 (extract_cie_info): Handle S flag in augmentation string.
7343 (execute_cfa_program): If context->signal_frame, execute also
7344 fs->pc == context->ra instructions.
7345 (uw_frame_state_for): If context->signal_frame, don't subtract one
7346 from context->ra to find FDE.
7347 (uw_update_context_1): Set context->signal_frame to
7349 (_Unwind_GetIPInfo): New function.
7350 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7351 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7353 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7354 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7355 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7356 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7357 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7358 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7359 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7360 x86_64_fallback_frame_state): Set fs->signal_frame.
7361 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7362 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7363 (frob_update_context): Likewise. Workaround missing S flag in
7364 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7365 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7366 Remove the psw_addr + 1 hack.
7368 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7370 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7371 with aggregates here.
7372 (find_func_aliases): Remove code for &<aggregate> from here.
7374 2006-02-26 Roger Sayle <roger@eyesopen.com>
7376 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7377 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7378 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7381 2006-02-26 Roger Sayle <roger@eyesopen.com>
7384 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7386 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7388 * opts.c (decode_options): Do not handle flag_strength_reduce.
7389 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7390 and OPT_fstrength_reduce.
7391 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7392 flag_prefetch_loop_arrays for being nonzero.
7393 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7395 (fprefetch-loop-arrays-rtl): Removed.
7396 (flag_prefetch_loop_arrays): Do not specify the value.
7398 * doc/passes.texi: Update documentation of loop optimizer
7400 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7401 -frerun-loop-opt): Remove.
7403 2006-02-26 Richard Guenther <rguenther@suse.de>
7405 PR tree-optimization/26421
7406 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7407 in function calls that are ADDR_EXPRs as using the whole structure.
7409 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7411 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7412 * tree-pass.h (pass_loop_optimize): Remove.
7413 * passes.c (pass_loop_optimize): Never run it.
7414 * toplev.c (backend_init): Don't call init_loop.
7415 * opts.c (flag_loop_optimize_set): Remove.
7416 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7417 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7418 the old RTL loop optimizer when profiling enabled.
7419 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7420 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7421 pre-headers for the sake of the old RTL loop optimizer.
7422 * Makefile.in: Remove all references to loop.o.
7424 * doc/invoke.texi: Remove all references to -floop-optimize
7425 and -frerun-loop-opt.
7427 2006-02-26 Zack Weinberg <zackw@panix.com>
7429 * doc/md.texi (Machine Constraints): Refer to all files with paths
7430 relative to gcc directory (i.e. config/CPU/file). Add missing
7431 @table @code ... @end table to M32C subsection.
7433 2006-02-26 Roger Sayle <roger@eyesopen.com>
7435 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7437 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7439 2006-02-26 Roger Sayle <roger@eyesopen.com>
7440 James A. Morrison <phython@gcc.gnu.org>
7443 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7444 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7445 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7446 signedness of the shift operation.
7448 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7450 PR tree-optimization/26359
7451 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7453 2006-02-25 Roger Sayle <roger@eyesopen.com>
7455 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7456 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7457 as X == 0, and some symmetry related transformations.
7458 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7460 2006-02-25 Roger Sayle <roger@eyesopen.com>
7463 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7464 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7465 symmetry related transformations. Fold (X^C1) == C2 as
7468 2006-02-25 Juergen Weigert <jw@suse.de>
7469 Richard Guenther <rguenther@suse.de>
7471 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7473 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7475 * combine.c (gen_lowpart_or_truncate): Call
7476 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7478 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7480 * doc/invoke.texi: Move -fopenmp description to "Options for
7482 Remove reference to -lgomp.
7484 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7486 * doc/install.texi: Require GNU tar version 1.14.
7488 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7490 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7491 * doc/invoke.texi (C++ Dialect Options): Document
7492 -fno-use-cxa-get-exception-ptr.
7493 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7494 * configure: Regenerate.
7495 * c.opt (fuse-cxa-get-exception-ptr): New.
7496 * c-opts.c (c_common_handle_option): Handle
7497 OPT_fuse_cxa_get_exception_ptr.
7498 * c-common.c (flag_use_cxa_atexit): Update documentation.
7499 (flag_use_cxa_get_exception_ptr): New.
7500 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7501 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7503 (C_COMMON_OVERRIDE_OPTIONS): New.
7505 2006-02-24 Roger Sayle <roger@eyesopen.com>
7508 * combine.c (try_combine): Explicitly check whether GET_CODE is
7509 a SET or a CLOBBER, instead on checking that it isn't a USE.
7511 2006-02-24 Roger Sayle <roger@eyesopen.com>
7513 * fold-const.c (fold_comparison): New subroutine of fold_binary
7514 containing transformations common to both the equality and
7515 ordering relational operators, factored out of fold_binary.
7516 (fold_binary): Separate out the equality operators (EQ_EXPR
7517 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7518 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7519 transformations common to both.
7520 (fold_div_compare): Fix latent bugs in the previously unreachable
7521 LT_EXPR and GE_EXPR cases.
7523 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7525 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7526 decl libname for clog to __clog on AIX.
7528 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7530 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7533 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7534 output traceback table for thunks. Localise rs6000_stack_info call.
7536 2006-02-23 Roger Sayle <roger@eyesopen.com>
7537 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7539 * gthr-posix.h (__gthrw): Fix typo in comment.
7541 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7543 * doc/cpp.texi (Character sets): Document that we do support
7544 input files to be in any character set.
7546 2006-02-23 Jeff Law <law@redhat.com>
7548 * tree.h (PHI_ARG_NONZERO): Remove.
7549 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7550 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7551 node to the new node.
7553 PR tree-optimization/26425
7554 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7555 min/max, then assume its varying.
7557 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7559 PR rtl-optimization/26316
7560 * rtlanal.c (enum may_trap_p_flags): New.
7561 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7562 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7563 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7564 (may_trap_after_code_motion_p): New function.
7565 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7566 (find_invariant_insn): Use may_trap_after_code_motion_p.
7567 * rtl.h (may_trap_after_code_motion_p): Declare.
7569 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7571 * emit-rtl.c (immed_double_const): Cleanup.
7573 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7575 Fix PR tree-optimization/26376
7576 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7579 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7582 * gimplify.c (omp_add_variable): Guard variable size decl test with
7583 DECL_SIZE (decl) check.
7585 2006-02-23 Richard Guenther <rguenther@suse.de>
7588 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7589 like aggregate types.
7591 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7593 * configure.ac: Add --with{,out}-long-double-128 configure option.
7594 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7595 * configure: Rebuilt.
7596 * config.in: Rebuilt.
7597 * doc/install.texi (Options specification): Document
7598 --with-long-double-128.
7600 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7601 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7602 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7603 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7605 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7607 * config/s390/s390.c (override_options): Handle
7608 TARGET_DEFAULT_LONG_DOUBLE_128.
7610 * config/alpha/alpha.c (override_options): Handle
7611 TARGET_DEFAULT_LONG_DOUBLE_128.
7613 * config/sparc/sparc.c (sparc_override_options): Handle
7614 TARGET_DEFAULT_LONG_DOUBLE_128.
7616 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7618 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7619 (real-install-headers-tar, real-install-headers-cpio)
7620 (real-install-headers-cp): New targets.
7622 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7624 * tree.h (variable_section): Delete.
7625 * varasm.c (variable_section): Delete.
7627 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7629 * install.texi: Add notes on install.texi2html.
7630 (Building in parallel): Do not use footnotes.
7632 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7635 * doc/install.texi (Configuration): Document --disable-libgomp.
7637 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7639 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7641 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7643 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7644 (vec_extractv2df_0_sse): New.
7646 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7648 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7649 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7650 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7651 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7652 to the result of the expression.
7653 (def_cfa_1): Adjust.
7654 (frame_pointer_cfa_offset): Rename to...
7655 (frame_pointer_fb_offset): ... this. Adjust all uses.
7656 (convert_cfa_to_loc_list): Rename to...
7657 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7658 Pass it on to build_cfa_loc.
7659 (compute_frame_pointer_to_cfa_displacement): Rename to...
7660 (compute_frame_pointer_to_fb_displacement): ... this. New
7661 offset parameter. Use it in computation.
7662 (gen_subprogram_die): Compute cfa_fb_offset with the new
7663 macro, and use it to compute the fb loc list and the
7666 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7668 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7669 replaced with register_operand.
7670 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7671 non-DREG is expensive.
7672 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7673 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7676 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7678 * doc/install.texi2html: Use set -e.
7680 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7682 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7683 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7684 * doc/invoke.texi (-fshared-data): Delete.
7685 * common.opt (fshared-data): Delete.
7686 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7687 (assemble_static_space): Remove #if 0 code.
7688 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7689 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7690 * config/cris/cris.h: Remove FIXME.
7692 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7694 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7697 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7700 * combine.c (simplify_shift_const_1): Disable nested shifts
7701 optimization for vector shifts.
7703 2006-02-20 Roger Sayle <roger@eyesopen.com>
7705 PR tree-optimization/26361
7706 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7707 of unsigned integer types.
7709 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7711 * tree-chrec.c (eq_evolutions_p): New.
7712 * tree-chrec.h (eq_evolutions_p): Declared.
7713 * tree-data-ref.c: Fix formatting.
7714 (datadep_stats, dependence_stats): New.
7716 (print_direction_vector): New.
7717 (dump_data_dependence_relation): Use print_direction_vector.
7718 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7719 (compute_subscript_distance): Static.
7720 (initialize_data_dependence_relation): Static. Get the number
7721 of loops surrounding the references from the callers, and initialize
7722 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7723 base_object_differ_p analyzers.
7724 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7725 compute_overlap_steps_for_affine_1_2,
7726 analyze_subscript_affine_affine): Count the classified dependences.
7727 Print a message when a test failed.
7728 (can_use_analyze_subscript_affine_affine): New.
7729 (analyze_siv_subscript): Compute the data dependences on symbolic
7730 scevs that verify can_use_analyze_subscript_affine_affine.
7731 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7732 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7733 Handle symbolic scevs.
7734 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7736 (subscript_dependence_tester): Moved...
7737 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7738 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7739 DDR_SIZE_VECT instead of getting it in parameter.
7740 (subscript_dependence_tester): ... here. Take as a parameter
7741 loop_nest_depth. Call build_classic_dist_vector and
7742 build_classic_dir_vector.
7743 (compute_affine_dependence): Update subscript_dependence_tester
7744 parameters. Update datadep_stats counters. Call
7745 compute_subscript_distance.
7746 (compute_self_dependence): Save the dist and dir vectors. Call
7747 compute_subscript_distance.
7748 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7749 (compute_all_dependences): Reorder parameters as they were before
7750 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7751 compute_subscript_distance. Update the use of
7752 compute_affine_dependence and initialize_data_dependence_relation.
7753 (find_data_references_in_loop): Handle COMPONENT_REF.
7754 (compute_data_dependences_for_loop): Initialize dependence_stats.
7755 Don't call build_classic_dist_vector and build_classic_dir_vector.
7756 Update the parameters of initialize_data_dependence_relation and
7757 compute_all_dependences. Print the statistics from datadep_stats.
7758 (analyze_all_data_dependences): Static. Not used until the pass for
7759 checking the data dependences is contributed.
7760 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7761 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7762 (initialize_data_dependence_relation, compute_affine_dependence,
7763 analyze_all_data_dependences, compute_subscript_distance): Removed.
7764 (print_direction_vector): New.
7765 * lambda.h (gcd): ... here.
7766 (lambda_vector_gcd): Moved here from gcd_vector.
7767 * lambda-code.c (gcd, gcd_vector): Removed.
7768 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7769 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7771 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7773 * ipa-type-escape.c: Tidy some comments and white space.
7774 * tree-ssa-operands.c: Likewise.
7776 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7779 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7780 (dump_decl_name): Do not walk the decl tree chains.
7781 * tree-pass.h (TDF_CHAIN): Remove.
7783 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7785 * Makefile.in (C): Remove
7787 (.PHONY): Remove C and PROTO
7789 2006-02-20 Roger Sayle <roger@eyesopen.com>
7792 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7793 deprecated CHAR_TYPE tree code.
7795 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7797 * configure.ac (target_list): Add install-info, dvi, html.
7798 * configure: Regenerate.
7800 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7801 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7802 treelang/Make-lang.in: Do not use double-colon rules.
7804 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7806 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7807 (TMT_USED_ALONE): New macro.
7808 * tree-pass.h (PROP_tmt_usage): New property.
7809 (TODO_update_tmt_usage): New todo.
7810 * tree-ssa-alias.c (updating_used_alone): New variable.
7811 (recalculate_used_alone): New function.
7812 (compute_may_aliases): Set updating_used_alone, call
7813 recalculate_used_alone.
7814 * tree-sra.c (pass_sra): Note that this pass destroys
7815 PROP_tmt_usage, and add TODO_update_tmt_usage.
7816 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7817 * tree-flow.h (updating_used_alone): Prototype.
7818 (recalculate_used_alone): Ditto.
7819 * passes.c (execute_todo): Add code to set updating_used_alone,
7820 and call recalculate.
7821 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7822 for clobber if used alone, and add assert to verify used_alone
7825 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7827 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7828 for non tls symbols added.
7829 (legitimize_address): Do nothing for PLUS expressions if one of the
7830 addends is a tls symbol reference.
7832 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7836 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7838 * Makefile.in (BOOTSTRAPPING): New.
7839 (quickstrap): New definition if BOOTSTRAPPING=yes.
7841 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7842 * configure.ac: Substitute all_selected_languages with the languages
7843 that were configured. For all the other variables except
7844 lang_specs_files, include all the languages in the tree.
7845 * configure: Regenerate.
7847 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7848 if there is one. Run the commands to run fixincludes in the same
7851 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7852 * doc/install.texi: Document exact conventions for searching target tools.
7853 Document --with-build-time-tools. Document toplevel bootstrap. Document
7854 something more about building an Ada cross-compiler. Don't list GNU Make
7855 requirements which affect all platforms.
7857 2006-02-19 Roger Sayle <roger@eyesopen.com>
7860 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7861 only equivalent if the have both the same mode and precision.
7863 2006-02-20 Ben Elliston <bje@au.ibm.com>
7865 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7867 2006-02-19 Roger Sayle <roger@eyesopen.com>
7868 Steven Bosscher <stevenb.gcc@gmail.com>
7870 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7871 constant pool references to identify stack mode constants.
7872 * rtlanal.c (constant_pool_constant_p): New predicate to check
7873 whether operand is a floating point constant in the pool.
7874 * rtl.h (constant_pool_constant_p): Prototype here.
7875 * loop.c (scan_loop): Avoid hoisting constants from the constant
7876 pool on STACK_REGS targets.
7877 (load_mems): Likewise.
7878 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7879 loads into x87 registers expensive in terms of register pressure.
7881 2006-02-19 Roger Sayle <roger@eyesopen.com>
7883 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7884 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7886 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7888 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7889 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7891 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7893 * doc/invoke.texi: Document -fipa-pta.
7894 * common.opt: Add ipa-pta option.
7895 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7896 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7897 (do_ds_constraint): Ditto.
7898 (get_constraint_for): Only add to referenced_vars if
7899 referenced_vars exists.
7900 (insert_into_field_list): Rewrite to do this unsorted.
7901 (insert_into_field_list_sorted): Rename old insert_into_field_list
7903 (create_function_info_for): Use insert_into_field_list_sorted.
7904 (create_variable_info_for): Rewrite so it uses unsorted version,
7905 since the field list is sorted.
7906 (intra_create_variable_infos): Only add to referenced_vars if
7907 referenced_vars exists.
7908 (ipa_pta_execute): Init heapvars, and delete when done.
7909 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7911 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7913 * doc/install.texi: Add missing `@samp'.
7915 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7917 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7920 2006-02-18 Mark Wielaard <mark@klomp.org>
7922 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7923 who added new 4.1 features, bug fixes and integration support.
7925 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7928 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7931 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7933 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7934 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7935 (copy_insn_1): Likewise. Don't copy each field individually.
7937 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7939 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7940 * rtl.c (rtx_size): Rename variable to...
7941 (rtx_code_size): ...this.
7942 (rtx_size): New function.
7943 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7944 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7946 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7947 * rtl.h (rtx_code_size): New variable.
7948 (rtx_size): Change from a variable to a function.
7949 (RTX_SIZE): Rename to...
7950 (RTX_CODE_SIZE): ...this.
7953 PR tree-optimization/17106
7954 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7955 (Anchored Addresses): New section.
7956 * doc/invoke.texi (-fsection-anchors): Document.
7957 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7958 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7959 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7960 * hooks.c (hook_bool_mode_rtx_false): New function.
7961 * hooks.h (hook_bool_mode_rtx_false): Declare.
7962 * gengtype.c (create_optional_field): New function.
7963 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7964 SYMBOL_REF_IN_BLOCK_P is true.
7965 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7966 (min_anchor_offset, max_anchor_offset): Likewise.
7967 (use_anchors_for_symbol_p): New hook.
7968 * toplev.c (compile_file): Call output_object_blocks.
7969 (target_supports_section_anchors_p): New function.
7970 (process_options): Check that -fsection-anchors is only used on
7971 targets that support it and when -funit-at-a-time is in effect.
7972 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7973 if the decl doesn't have one.
7974 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7975 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7976 of force_const_mem through use_anchored_address.
7977 (expand_expr_constant): New function.
7978 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7979 calling expand_expr for INDIRECT_REF.
7980 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7981 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7982 * expr.h (use_anchored_address): Declare.
7983 * loop-unroll.c: Don't declare rtx vectors here.
7984 * explow.c: Include output.h.
7985 (validize_mem): Call use_anchored_address.
7986 (use_anchored_address): New function.
7987 * common.opt (-fsection-anchors): New switch.
7988 * varasm.c (object_block_htab, anchor_labelno): New variables.
7989 (hash_section, object_block_entry_eq, object_block_entry_hash)
7990 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7991 (use_blocks_for_decl_p, change_symbol_section): New functions.
7992 (get_variable_section): New function, split out from assemble_variable.
7993 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7994 use_blocks_for_decl_p say so. Use change_symbol_section if the
7995 symbol has already been created.
7996 (assemble_variable_contents): New function, split out from...
7997 (assemble_variable): ...here. Don't output any code for
7998 block symbols; just pass them to place_block_symbol.
7999 Use get_variable_section and assemble_variable_contents.
8000 (get_constant_alignment, get_constant_section, get_constant_size): New
8001 functions, split from output_constant_def_contents.
8002 (build_constant_desc): Create a block symbol if use_object_blocks_p
8003 says so. Or into SYMBOL_REF_FLAGS.
8004 (assemble_constant_contents): New function, split from...
8005 (output_constant_def_contents): ...here. Don't output any code
8006 for block symbols; just pass them to place_section_symbol.
8007 Use get_constant_section and get_constant_alignment.
8008 (force_const_mem): Create a block symbol if use_object_blocks_p and
8009 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8010 (output_constant_pool_1): Add an explicit alignment argument.
8011 Don't switch sections here.
8012 (output_constant_pool): Adjust call to output_constant_pool_1.
8013 Switch sections here instead. Don't output anything for block symbols;
8014 just pass them to place_block_symbol.
8015 (init_varasm_once): Initialize object_block_htab.
8016 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8017 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8018 (place_block_symbol, get_section_anchor, output_object_block)
8019 (output_object_block_htab, output_object_blocks): New functions.
8020 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8021 (TARGET_ASM_OUT): Include it.
8022 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8023 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8024 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8025 (TARGET_INITIALIZER): Include them.
8026 * rtl.c (rtl_check_failed_block_symbol): New function.
8027 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8028 (block_symbol, object_block): New structures.
8029 (rtx_def): Add a block_symbol field to the union.
8030 (BLOCK_SYMBOL_CHECK): New macro.
8031 (rtl_check_failed_block_symbol): Declare.
8032 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8033 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8034 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8035 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8036 * output.h (output_section_symbols): Declare.
8037 (object_block): Name structure.
8038 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8039 (default_use_anchors_for_symbol_p): Declare.
8040 * Makefile.in (RTL_BASE_H): Add vec.h.
8041 (explow.o): Depend on output.h.
8042 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8043 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8044 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8045 (rs6000_use_blocks_for_constant_p): New function.
8047 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8049 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8051 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8054 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8057 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8059 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8063 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8066 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8067 instead of DECL_REGISTER.
8069 2006-02-18 Olivier Hainque <hainque@adacore.com>
8072 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8074 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8077 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8078 * opth-gen.awk: Handle Var and InverseMask together.
8079 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8080 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8081 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8082 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8084 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8085 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8086 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8087 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8088 LINUX_DYNAMIC_LINKER): Define.
8089 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8090 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8092 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8093 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8094 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8095 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8096 (TARGET_C99_FUNCTIONS): Don't define.
8097 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8098 GLIBC_DYNAMIC_LINKER.
8099 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8100 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8101 GLIBC_DYNAMIC_LINKER64): Define.
8102 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8103 LINUX_DYNAMIC_LINKER64.
8104 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8105 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8106 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8107 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8108 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8109 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8110 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8111 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8112 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8113 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8114 and LINUX_DYNAMIC_LINKER32.
8115 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8116 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8117 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8118 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8119 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8121 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8122 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8123 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8124 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8125 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8126 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8127 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8128 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8129 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8130 LINUX_DYNAMIC_LINKER): Define.
8131 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8132 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8133 GLIBC_DYNAMIC_LINKER64): Define.
8134 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8135 LINUX_DYNAMIC_LINKER64.
8136 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8137 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8138 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8139 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8140 LINUX_DYNAMIC_LINKER): Define.
8141 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8142 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8143 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8144 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8145 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8146 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8147 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8148 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8149 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8150 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8151 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8152 * doc/invoke.texi (-muclibc): Remove caveat about supported
8155 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8157 * doc/cpp.texi (__TIMESTAMP__): Document.
8159 2006-02-17 Roger Sayle <roger@eyesopen.com>
8162 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8163 C is one less than the width of X (and related transformations).
8164 * simplify-rtx.c (simplify_unary_operation_1): Transform
8165 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8166 depending on STORE_FLAG_VALUE, were C is one less then the
8169 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8171 Fix PR tree-optimization/26341
8172 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8173 about NAME_MEMORY_TAG's.
8175 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8178 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8179 with hardware float support, and software float support. Add fcpy
8180 alternative to hardware patterns. Add alternatives to copy between
8181 general and floating-point registers to the 32-bit pattern.
8182 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8183 secondary reload to load a QI or HI mode constant into a floating
8185 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8186 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8188 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8191 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8193 (load_macho_picbase_di): Likewise.
8195 2006-02-16 Jeff Law <law@redhat.com>
8197 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8198 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8199 (ssa_name_nonzero_p): Likewise.
8200 (get_value_range): Return NULL if VRP is not running.
8201 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8202 VRP routines do not discover a range.
8203 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8204 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8205 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8206 (tree_expr_nonnegative_p): Similarly.
8207 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8208 (restore_nonzero_vars_to_original_value): Remove.
8209 (unsafe_associative_fp_binop): Remove.
8210 (tree_ssa_dominator_optimize): Remove initialization and
8211 finalization of nonzero_vars and nonzero_vars_stack.
8212 (dom_opt_initialize_block): No longer push marker on
8214 (dom_opt_finalize_block): No longer call
8215 restore_nonzero_vars_to_original_value.
8216 (record_equivalences_from_phis): No longer look for
8217 nonzero PHI arguments.
8218 (cprop_into_successor_phis): No longer propagate nonzero
8219 property into PHI arguments. Lose unused argument. Caller
8221 (record_equivalences_from_stmt): No longer record nonzero
8222 values for SSA_NAMEs.
8223 (lookup_avail_expr): No longer use nonzero_vars.
8225 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8226 for sizetype when sizetype is unsigned.
8228 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8230 PR rtl-optimization/25603
8231 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8232 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8233 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8234 with new meaning of SETS.
8236 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8241 * config/linux.opt: New file.
8242 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8243 LINUX_DYNAMIC_LINKER): Define.
8244 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8245 * config.gcc (*-*-linux*): Define extra_options.
8246 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8247 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8248 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8249 GLIBC_DYNAMIC_LINKER.
8250 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8251 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8252 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8253 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8254 * doc/invoke.texi (GNU/Linux Options): New section.
8256 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8258 * config/sparc/sparc.md (setjmp): Rewrite.
8259 (setjmp_32): Delete.
8260 (setjmp_64): Likewise.
8262 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8264 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8267 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8269 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8272 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8274 PR rtl-optimization/26296
8275 * Makefile.in (loop-invariant.c): Add except.h dependency.
8276 * loop-invariant.c: Include except.h.
8277 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8279 2005-02-16 Paul Brook <paul@codesourcery.com>
8281 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8284 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8286 PR rtl-optimization/25636
8287 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8288 when deciding whether an insn is an initializing insn.
8290 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8292 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8293 (tree_code_size): Ditto.
8294 * tree.h (struct tree_memory_tag): Remove parent_var.
8295 (struct tree_struct_field_tag): New.
8298 (union tree_node): Add sft member.
8299 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8301 (create_sft): Add size and offset argument, set SFT_OFFSET and
8303 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8304 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8305 * tree-flow-inline.h (get_subvar_at): Update for
8306 SFT_OFFSET/SFT_SIZE.
8307 (var_can_have_subvars): Ditto.
8308 (overlap_subvar): Ditto.
8309 * print-tree.c (print_node): Print out interesting things for
8311 * tree-flow.h (struct subvar): Remove offset and size members.
8312 * tree-ssa-operands.c (get_expr_operands): Update for
8313 get_indirect_ref_operands changes.
8314 (get_indirect_ref_operands): Call add_virtual_operand instead of
8315 add_stmt_operand. Only recurse on base var if requested.
8316 (access_can_touch_variable): New function.
8317 (add_stmt_operand): Split virtual operand handling into ...
8318 (add_virtual_operand): Here. Add offset, size, and for_clobber
8319 arguments. Prune alias sets.
8320 (add_call_clobber_ops): Call add_virtual_operand.
8322 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8325 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8327 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8328 than TREE_CODE as index into omp_clause_num_ops array.
8330 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8332 PR rtl-optimization/26184
8333 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8335 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8336 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8337 must_precede, must_follow and tobe_scheduled.
8340 * opts.c (common_handle_option): Free new_option pointer.
8341 * df-core.c (df_analyze): Free postorder pointer.
8343 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8345 * Makefile.in: Fix the examples about the use of stamps
8347 2006-02-15 Michael Matz <matz@suse.de>
8351 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8352 influenced by maximum_field_alignment or DECL_PACKED.
8353 (update_alignment_for_field): Ditto.
8354 (place_field): Ditto.
8355 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8358 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8360 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8361 (debug_flow_info): Pass it.
8362 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8363 * bb-reorder.c (reorder_basic_blocks): Likewise.
8364 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8365 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8366 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8367 * gcse.c (gcse_main, bypass_jumps): Likewise.
8368 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8369 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8370 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8371 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8372 * rtl.h (dump_flow_info): Adjust prototype.
8373 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8374 * var-tracking.c (variable_tracking_main): Likewise.
8375 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8376 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8379 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8381 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8384 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8386 PR tree-optimization/26209
8387 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8388 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8390 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8392 2006-02-14 Roger Sayle <roger@eyesopen.com>
8395 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8396 (X,Y) and the corresponding symmetry related transformations.
8397 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8398 (X,Y) and its symmetry related transformations.
8400 2006-02-14 Roger Sayle <roger@eyesopen.com>
8402 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8405 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8407 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8409 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8412 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8413 support COMDAT group.
8414 * configure: Regenerate.
8416 2006-02-14 Roger Sayle <roger@eyesopen.com>
8421 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8423 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8425 Fix PR tree-optimization/26260
8427 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8429 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8430 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8431 * tree-ssa-structalias.c (create_variable_info_for): Use
8432 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8434 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8436 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8438 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8439 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8440 of the ending condition.
8441 * tree-ssa-loop-manip.c: Include params.h.
8442 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8443 tree_unroll_loop): New functions.
8444 * tree-pass.h (pass_loop_prefetch): Declare.
8445 * loop.c (rest_of_handle_loop_optimize): Test for
8446 -fprefetch-loop-arrays-rtl.
8447 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8448 * timevar.def (TV_TREE_PREFETCH): New timevar.
8449 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8450 pass_loop_prefetch): New.
8451 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8452 (cleanup_tree_cfg_loop): Call scev_reset.
8453 * common.opt (fprefetch-loop-arrays-rtl): Add.
8454 * tree-ssa-loop-prefetch.c: New file.
8455 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8456 (new_temp_expr_table): Initialize expr_vars.
8457 (free_temp_expr_table): Cleanup expr_vars.
8458 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8459 expressions from being merged into one.
8460 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8461 (struct tree_niter_desc): Add control, bound and cmp fields.
8462 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8464 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8465 (tree-cfgcleanup.o): Add SCEV_H dependency.
8466 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8467 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8469 2006-02-14 Richard Guenther <rguenther@suse.de>
8471 PR tree-optimization/26258
8472 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8473 in PHI argument processing.
8475 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8477 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8478 new expression in the requested machine mode.
8480 2006-02-13 Roger Sayle <roger@eyesopen.com>
8482 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8483 directly, instead let do_compare_rtx_and_jump handle this for us.
8484 * expr.c (expand_expr_real_1): Likewise.
8485 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8486 before do_jump_by_parts_greater.
8487 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8488 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8490 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8492 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8494 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8496 PR rtl-optimization/26235
8497 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8498 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8501 2006-02-13 Jeff Law <law@redhat.com>
8503 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8506 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8509 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8510 twice if decl is a builtin. When trying again, call get_callee_fndecl
8511 first to verify it is still a builtin.
8513 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8515 * dwarf2out.c (base_type_die): Don't add AT_name here.
8516 (subrange_type_die): Don't add AT_name here.
8517 (modified_type_die): Rearrange code flow. Do add AT_name here.
8519 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8521 PR rtl-optimization/26247
8522 PR rtl-optimization/26248
8523 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8525 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8527 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8528 * config/fixtfdi.c: Likewise.
8529 * config/fixunstfdi.c: Likewise.
8530 * config/floatditf.c: Likewise.
8532 2006-02-13 Roger Sayle <roger@eyesopen.com>
8535 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8536 into (X,C2) if C1 is a subset of the bits of C2. Transform
8537 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8539 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8541 2006-02-13 Josh Conner <jconner@apple.com>
8544 * varasm.c (function_section): Check for section name before
8545 calling select_section on targets that define
8546 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8547 unlikely_text_section instead of hot_function_section if
8548 first_function_block_is_cold.
8550 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8553 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8555 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8557 PR rtl-optimization/26222
8558 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8559 after tree->rtl expansion.
8560 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8561 before passing it to emit_move_insn.
8563 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8565 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8567 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8568 Clarify documentation.
8569 * c-common.h (warn_write_strings): Remove.
8570 * c-common.c (warn_write_strings): Likewise.
8571 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8574 2006-02-12 Roger Sayle <roger@eyesopen.com>
8577 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8578 (do_jump_parts_zero_rtx): New function renamed from
8579 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8580 (do_jump_parts_equality_rtx): New function split out from
8581 do_jump_parts_equality. Old implementation renamed as above.
8582 Call do_jump_parts_zero_rtx if either operand is zero.
8583 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8584 do all of the heavy lifting.
8585 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8586 calling either do_jump_by_parts_greater_rtx or
8587 do_jump_by_parts_equality_rtx.
8588 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8589 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8590 moved to do_compare_rtx_and_jump, call it directly.
8591 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8592 mode argument. Call do_compare_rtx_and_jump.
8593 (emit_case_nodes): Update calls to do_jump_if_equal.
8595 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8597 PR rtl-optimization/26225
8598 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8600 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8602 PR rtl-optimization/26232
8603 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8605 2006-02-11 Jason Merrill <jason@redhat.com>
8608 * tree-inline.c (declare_return_variable): Just don't use the
8609 modify target if it's a gimple complex reg and the return slot
8612 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8614 * doc/contrib.texi: Update my entry.
8616 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8618 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8620 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8622 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8625 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8627 * doc/invoke.texi (-floop-optimize2): Removed.
8628 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8629 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8630 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8631 * common.opt (floop-optimize2): Removed.
8632 (fmove-loop-invariants): Enabled by default.
8634 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8636 * tree-if-conv.c (combine_blocks): Free the result of
8637 get_loop_exit_edges.
8639 2006-02-10 Jeff Law <law@redhat.com>
8641 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8643 PR tree-optimization/26213
8644 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8645 loop trying to follow SSA_NAME_VALUE chains.
8647 2006-02-10 Richard Guenther <rguenther@suse.de>
8649 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8650 deal with structures that end in implicitly variable sized arrays.
8652 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8654 PR rtl-optimization/24762
8655 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8658 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8660 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8661 (struct ivopts_data): Add regs_used field.
8662 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8663 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8664 instead of loop_data->regs_used;
8665 (free_loop_data): Do not free aux fields for loops.
8666 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8667 and tree_ssa_iv_optimize_finalize.
8669 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8671 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8673 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8676 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8677 computing the effective result type.
8679 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8682 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8683 (tree_overlaps_hard_reg_set): Declare.
8684 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8685 type and signature to match function type expected by walk_tree.
8686 (tree_overlaps_hard_reg_set): New function.
8687 (decl_conflicts_with_clobbers_p): Rename to:
8688 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8689 Use tree_overlaps_hard_reg_set. Changed caller.
8690 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8691 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8692 * cris.c (cris_md_asm_clobbers): Likewise.
8694 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8696 * reload1.c (emit_input_reload_insns): Delete code that tries to
8697 inherit using find_equiv_reg.
8699 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8701 * c-common.h (flag_const_strings): Don't declare.
8702 * c-common.c (flag_const_strings): Remove.
8703 * c.opt (fconst_strings): Remove.
8704 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8705 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8706 (c_common_init_options): Don't set flag_const_strings.
8707 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8709 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8711 * arm.md (tlobits_cbranch): New pattern.
8712 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8713 testing a single bit.
8715 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8718 * tree-ssa-pre.c (create_component_ref_by_pieces):
8719 Handle RETURN_DECL like VAR_DECL.
8721 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8724 * fold-const.c (fold_indirect_ref_1): Fold
8725 "*(foo *)&complexfoo" to "__real__ complexfoo"
8726 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8728 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8730 * tree-flow-inline.h (var_can_have_subvars):
8731 Volatile variables should not have subvariables.
8733 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8736 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8737 multiplying unsigned values.
8740 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8742 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8744 2006-02-08 Jason Merrill <jason@redhat.com>
8747 * tree.def: Elaborate on difference from MODIFY_EXPR.
8748 * doc/c-tree.texi (INIT_EXPR): Likewise.
8749 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8750 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8751 (gimplify_target_expr): Likewise.
8752 (gimplify_cond_expr): Remove target handling.
8753 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8754 (gimplify_expr): Clobber it here.
8755 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8756 Do return slot optimization if we have an INIT_EXPR.
8759 * tree-inline.c (declare_return_variable): Also clear
8760 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8763 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8766 * gimplify.c (gimplify_one_sizepos): Fix typo.
8768 2006-02-08 Jeff Law <law@redhat.com>
8770 PR tree-optimization/21417
8771 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8772 across a backedge if the control statement at the end of the
8773 block is data dependent on other statements in the same block.
8774 (record_temporary_equivalences_from_stmts): Remove over-conservative
8775 test for threading across backedges.
8777 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8778 control statement, handle all three special cases in the same
8779 manner as they all have the same desired solution. No longer
8780 special case edge flag updating when the post dominator is
8783 2006-02-08 Roger Sayle <roger@eyesopen.com>
8785 * tree.def (CHAR_TYPE): Remove.
8786 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8787 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8788 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8789 (gen_string_type_die): Delete unreachable function.
8791 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8792 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8793 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8794 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8795 * builtins.c (type_to_class): Likewise.
8796 * fold-const.c (fold_convert, build_range_check,
8797 merge_ranges): Likewise.
8798 * expr.c (count_type_elements): Likewise.
8799 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8800 * stor-layout.c (layout_type): Likewise.
8801 * ipa-type-escape.c (type_to_consider): Likewise.
8802 * gimplify.c (omp_firstprivatize_type_sizes,
8803 gimplify_type_sizes): Likewise.
8804 * explow.c (promote_mode): Likewise.
8805 * tree-sra.c (is_sra_scalar_type): Likewise.
8806 * varasm.c (output_constant): Likewise.
8807 * tree-inline.c (remap_type_1): Likewise.
8808 * convert.c (convert_to_pointer, convert_to_real,
8809 convert_to_integer, convert_to_complex): Likewise.
8811 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8813 * df-scan.c (df_def_record_1): A set destination may
8814 be a parallel regardless of mode.
8816 2006-02-08 Roger Sayle <roger@eyesopen.com>
8819 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8820 * config/mips/_tilib.c: Remove.
8821 * config/fixtfdi.c: New libgcc source file.
8822 * config/fixunstfdi.c: New source file.
8823 * config/floatditf.c: New source file.
8824 * config/floatunditf.c: New souce file.
8825 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8826 files above instead of config/mips/_tilib.c.
8827 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8829 2006-02-08 Jeff Law <law@redhat.com>
8831 PR tree-optimization/26169
8832 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8835 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8837 * df.h (DF_REG_SIZE): Return the length of the initialized
8840 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8842 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8843 __muldf3): Return a correctly signed zero.
8845 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8847 * passes.c (register_one_dump_file): Accept the current properties
8848 instead of pass number. Adjust call to dump_register. Remove
8850 (register_dump_files): Now a wrapper around...
8851 (register_dump_files_1): ... this one. Do not modify the pass
8853 (next_pass_1): Cosmetic fix.
8854 (execute_todo): Keep second parameter only. Use curr_properties
8855 instead of fetching it from the pass structure. Check and set
8857 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8858 instead of fetching it from the pass structure. Fix calls to
8859 execute_todo. Update curr_properties and initialize .vcg RTL dump
8860 after running the pass. Reset last_verified.
8861 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8863 (FIRST_AUTO_NUMBERED_DUMP): New.
8864 (dump_register): Remove "num" parameter, assign it within the
8866 (get_dump_file_name): Modify template for dumps.
8867 * tree-dump.h (dump_register): Adjust prototype.
8868 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8869 (PROP_trees): Add PROP_gimple_lomp.
8870 (TODO_set_props): New.
8871 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8872 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8873 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8875 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8877 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8878 (sparc64-*-linux*): Likewise.
8879 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8880 * config/sparc/t-linux: New file.
8881 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8882 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8883 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8884 -m32 -mlong-double-128.
8886 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8887 * config/alpha/t-linux: New file.
8888 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8890 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8891 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8892 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8893 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8894 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8895 (CPP_ARCH32_SPEC): Remove.
8897 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8899 PR tree-optimization/26145
8900 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8903 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8906 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8907 >= 240000 when generating code for SOM runtime.
8908 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8909 to $$dyncall when generating code for SOM runtime..
8911 2006-02-07 Dirk Mueller <dmueller@suse.com>
8914 * doc/invoke.texi (-Wsequence-point): Update documentation
8915 that -Wsequence-point is implemented for C++ as well.
8917 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8919 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8920 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8921 (LIB_SPEC): Likewise.
8922 * doc/invoke.texi (SPARC options): Document -pthread.
8924 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8926 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8929 2006-02-07 Roger Sayle <roger@eyesopen.com>
8931 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8932 Correct comment describing BOOLEAN_TYPE.
8934 2006-02-07 Dirk Mueller <dmueller@suse.com>
8936 * c.opt: C++ frontend supports -Wdiv-by-zero.
8937 * c-opts.c (c_common_handle_option): Remove dead case.
8939 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8941 * configure.ac (TLS assembler check): Do not enable TLS by
8942 default on SPARC/Solaris before version 10.
8943 * configure: Regenerate.
8945 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8947 * doc/invoke.texi (xl-compat): Document conversion and support
8950 2006-02-07 Jeff Law <law@redhat.com>
8952 * tree-vrp.c (find_conditional_asserts): Update comments.
8953 (simplify_stmt_for_jump_threading): New.
8954 (identify_jump_threads, finalize_jump_threads): New.
8955 (vrp_finalize): Call identify_jump_threads.
8956 (execute_vrp): Call finalize_jump_threads.
8957 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8958 (vrp_element, vrp_data, vrp_element_p): Remove.
8959 (vrp_hash_elt, vrp_variables_stack): Remove.
8960 (vrp_hash, vrp_eq, record_range): Remove.
8961 (simplify_cond_and_lookup_avail_expr): Remove.
8962 (extract_range_from_cond): Remove.
8963 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8964 (simplify_stmt_for_jump_threading): New.
8965 (dom_thread_across_edge): New wrapper.
8966 (tree_ssa_dominator_optimize): No longer initialize or
8967 finalize any of the VRP datastructures. Remove iteration
8968 step and simplify as a result of removal of iteration step.
8969 (pass_dominator): Perform a cfg cleanup after DOM.
8970 (dom_opt_finalize_block): Use the new common routines
8971 for threading jumps. Simplify stack management slightly.
8972 No longer need to unwind VRP state.
8973 (record_equivalences_from_incoming_edge): No longer record
8975 (eliminate_redundant_computations): No longer call
8976 simplify_cond_and_lookup_avail_expr.
8977 * tree-flow.h (potentially_threadable_block): Prototype.
8978 (thread_across_edge): Likewise.
8979 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8980 (tree-ssa-threadedge.o): Add dependencies.
8981 * tree-ssa-threadedge.c: New file.
8982 * passes.c (init_optimization_passes): Merge PHIs before
8983 calling VRP. Run VRP again late in the SSA optimization pipeline.
8985 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8987 * df-core.c (df_set_blocks): Do not dereference function pointers.
8988 (df_finish1): Likewise.
8989 (df_hybrid_search_forward): Likewise.
8990 (df_hybrid_search_backward): Likewise.
8991 (df_iterative_dataflow): Likewise.
8992 (df_analyze_problem): Likewise.
8993 (df_compact_blocks): Likewise.
8994 (df_dump): Likewise.
8995 * df-scan.c (df_rescan_blocks): Likewise.
8996 (df_record_entry_block_defs): Likewise.
8998 * genconditions.c (write_conditions): Guard the definition of
8999 'insn_conditions' with the check on GCC version.
9000 (write_writer): Guard the traversal 'insn_conditions' with
9001 the check on GCC version.
9003 2006-02-07 Richard Guenther <rguenther@suse.de>
9007 2006-01-30 Richard Guenther <rguenther@suse.de>
9009 * gimplify.c (gimplify_target_expr): Handle easy cases
9010 without creating a temporary.
9012 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9014 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9015 use of float in probability computations. Use edge probabilities
9016 in place of statically computed probabilities.
9017 (min_spec_prob): New static variable.
9018 (schedule_insns): Initialize it.
9019 (GET_SRC_PROB): Removed.
9020 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9022 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9025 * config/ia64/unwind-ia64.c: Revert last change.
9026 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9027 (INCOMING_FRAME_SP_OFFSET): Define.
9029 2006-02-06 Roger Sayle <roger@eyesopen.com>
9031 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9033 2006-02-07 Ben Elliston <bje@au.ibm.com>
9035 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9036 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9037 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9038 (ix86_return_in_memory): Handle TDmode.
9039 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9040 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9042 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9044 * reorg.c (dbr_schedule): Use dump_file instead of file.
9046 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9049 * config/ia64/predicates.md (extr_len_operand): New predicate.
9050 * config/ia64/ia64.md (extv): Tighten constraints.
9052 (*tbit_and_2): Ditto.
9053 (*tbit_and_3): Ditto.
9054 (*tbit_or_2): Ditto.
9055 (*tbit_or_3): Ditto.
9059 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9062 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9064 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9066 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9067 loop_optimizer_init and loop_optimizer_finalize
9068 * tree-ssa-sink.c (execute_sink_code): Ditto.
9069 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9070 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9071 tree_ssa_loop_done): Ditto.
9072 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9073 * sched-ebb.c: Include output.h.
9074 (schedule_ebbs): Do not use dump argument.
9075 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9076 * loop.c (loop_dump_stream): Removed.
9077 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9079 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9080 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9081 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9082 loop_iterations, strength_reduce, record_biv, record_giv,
9083 final_giv_value, check_final_value, check_ext_dependent_givs,
9084 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9085 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9086 dump_file instead of loop_dump_stream.
9087 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9089 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9091 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9092 * haifa-sched.c: Include output.h
9093 (schedule_insns, sched_init): Do not use dump argument.
9094 * mode-switching.c (optimize_mode_switching): Ditto.
9095 * modulo-sched.c (stats_file): Removed.
9096 (print_node_sched_params): Do not call argument dump_file.
9097 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9098 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9100 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9102 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9103 rtl_loop_init, rtl_loop_done): Ditto.
9104 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9105 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9107 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9108 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9109 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9110 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9111 * emit-rtl.c (renumber_insns): Ditto.
9112 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9113 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9114 * regclass.c (regclass): Ditto.
9115 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9116 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9117 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9118 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9120 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9121 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9123 * gcse.c (gcse_file, debug_stderr): Removed.
9124 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9125 rest_of_handle_gcse): Do not use dump argument.
9126 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9127 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9128 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9129 compute_code_hoist_vbeinout, compute_code_hoist_data,
9130 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9131 compute_store_table, build_store_vectors, insert_insn_start_bb,
9132 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9133 store_motion): Use dump_file instead of gcse_file.
9134 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9135 * profile.c (profile_dump_file): Removed.
9136 (branch_prob): Use dump_file instead of profile_dump_file.
9137 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9139 * tree-ssa-copy.c (dump_copy_of): Ditto.
9140 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9141 dump file to life_analysis.
9142 * bt-load.c (branch_target_load_optimize): Ditto.
9143 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9145 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9146 regclass, dbr_schedule): Declaration changed.
9147 * sched-int.h (sched_init): Declaration changed.
9148 * tree-profile.c (tree_profile_dump_file): Removed.
9149 (tree_profile_hooks): Removed profile_dump_file hook.
9150 * rtl-profile (rtl_profile_dump_file): Removed.
9151 (rtl_profile_hooks): emoved profile_dump_file hook.
9152 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9154 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9155 * tree-cfg.c (build_tree_cfg): Ditto.
9156 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9157 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9158 Declaration changed.
9159 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9160 life_analysis and schedule_insns.
9161 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9163 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9165 * config/mips/mips.c (mips_reorg): Ditto.
9166 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9169 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9171 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9172 (s390_mangle_fundamental_type): New.
9173 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9176 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9177 (alpha_mangle_fundamental_type): New.
9178 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9181 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9183 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9185 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9186 (sparc_mangle_fundamental_type): New.
9188 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9190 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9191 (s390x-*-linux*): Likewise.
9192 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9193 * config/s390/t-linux: New file.
9195 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9197 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9198 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9200 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9202 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9203 (ANTIC_SAFE_LOADS): New macro.
9204 (find_or_generate_expression): Add prototype.
9205 (set_contains_value): Allow null set for sake of not always having
9206 to allocate ANTIC_SAFE_LOADS.
9207 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9208 Allow COMPONENT_REF too.
9209 (valid_in_set): Allow COMPONENT_REF.
9210 Check ANTIC_SAFE_LOADS too.
9211 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9212 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9214 (can_PRE_operation): Add COMPONENT_REF.
9215 (create_component_ref_by_pieces): New function.
9216 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9217 (insert_aux): Move AGGREGATE_TYPE_P check here.
9218 (compute_avail): Set bb local stmt uids.
9219 (pass_pre): Use TODO_update_ssa_only_virtuals.
9221 2006-02-06 Ben Elliston <bje@au.ibm.com>
9223 * configure.ac: Unconditionally disable decimal float by default.
9224 * configure: Regenerate.
9226 2006-02-06 Ben Elliston <bje@au.ibm.com>
9228 * read-rtl.c (read_name): Terminate reading on EOF.
9230 2006-02-06 Ben Elliston <bje@au.ibm.com>
9232 * dfp.c (decimal_real_arithmetic): Change second argument type
9233 from int to enum tree_code. Do not always return true, but now
9234 return result of any call to decimal_do helper functions.
9235 * dfp.h (decimal_real_arithmetic): Update prototype.
9237 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9239 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9241 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9244 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9247 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9249 * tree-vrp.c (cfg_loops): Removed.
9250 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9251 Use current_loops instead of cfg_loops. Pass flags to
9252 loop_optimizer_init.
9253 * cfgloopmanip.c (fix_loop_structure): Update only available
9255 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9256 loop_optimizer_init.
9257 * modulo-sched.c (build_loops_structure): Removed.
9258 (sms_schedule): Use loop_optimizer_init.
9259 * loop-init.c (loop_optimizer_init): Use flags to determine
9260 which properties of loops to prepare.
9261 (rtl_loop_init): Pass flags to loop_optimizer_init.
9262 * tree-ssa-sink.c (execute_sink_code): Ditto.
9263 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9264 * tree-ssa-pre.c (init_pre): Ditto.
9265 * cfgloop.h (LOOPS_NORMAL): New.
9266 (loop_optimizer_init): Declaration changed.
9268 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9270 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9271 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9273 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9275 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9277 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9278 * pa/t-pa64: Delete quadlib.c rule.
9279 * pa/x-ada: Revert last change.
9280 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9282 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9284 PR rtl-optimization/26087
9285 * rtlanal.c (canonicalize_condition): Do not cross basic block
9288 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9291 * config/ia64/ia64.c: Include debug.h.
9292 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9293 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9294 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9295 (process_epilogue, process_set, process_for_unwind_directive):
9296 Output unwind info only if requested. Add CFA info if requested.
9297 Add new arguments as needed. Adjust callers.
9298 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9300 (DWARF2_FRAME_INFO): Define to zero.
9301 * config/ia64/unwind-ia64.c: Remove code that compensated for
9302 the CFA offset error fixed above.
9303 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9304 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9305 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9306 -funwind-tables and -fexceptions to enable frame info.
9307 (dwarf2out_frame_init): Define initial CFA even if
9308 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9309 DWARF2_UNWIND_INFO is nonzero, not just defined.
9310 (dwarf2out_frame_finish): Output non-EH call frame info only
9311 if DWARF2_FRAME_INFO is nonzero.
9312 (convert_cfa_to_loc_list,
9313 compute_frame_pointer_to_cfa_displacement): Define even if
9314 unwind info is not supported.
9315 (gen_subprogram_die): Use the above unconditionally. Remove
9316 legacy alternate code.
9317 * toplev.c (compile_file): Compile in call to
9318 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9319 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9321 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9322 Jakub Jelinek <jakub@redhat.com>
9324 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9325 IBM extended float format long double as "g" on powerpc*-linux.
9327 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9330 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9331 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9333 2006-02-03 Jason Merrill <jason@redhat.com>
9336 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9339 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9340 on the return slot if it's an NRV.
9342 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9344 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9345 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9346 rewrite_use): Do not handle USE_OUTER.
9347 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9348 add_iv_outer_candidates, may_replace_final_value,
9349 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9350 (find_interesting_uses_op): Functionality of
9351 find_interesting_uses_outer_or_nonlin moved here.
9352 (find_interesting_uses_outside): Use find_interesting_uses_op.
9354 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9357 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9359 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9360 Ulrich Weigand <uweigand@de.ibm.com>
9363 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9364 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9365 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9366 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9368 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9369 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9370 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9371 Define secondary reloads for TFmode moves.
9372 (constant_modes): Add TFmode.
9373 (NR_C_MODES): Set to 8.
9374 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9376 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9377 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9378 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9379 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9380 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9381 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9382 (FPR mode macro): Add TFmode.
9383 (DSF mode macro): New.
9384 (<de>, <dee> mode attributes): Removed.
9385 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9386 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9387 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9388 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9389 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9390 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9391 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9392 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9393 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9394 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9395 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9396 "*negabs<mode>2", "sqrt<mode>2"):
9397 Changed <de> to <xde>. R constraint replaced by <Rf>.
9398 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9400 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9401 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9402 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9404 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9405 "extenddftf2", "extendsftf2"): New expanders.
9406 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9407 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9408 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9409 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9411 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9412 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9413 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9414 __floatditf): Add a GCC_4.1.0 symbol version tag.
9415 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9418 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9421 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9422 Use targetm.binds_local_p instead of TREE_PUBLIC.
9424 2006-02-02 Roger Sayle <roger@eyesopen.com>
9426 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9427 on INTEGER_TYPEs to indicate that it denotes a character type.
9428 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9429 signed_char_type_node, unsigned_char_type_node and char_type_node.
9430 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9431 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9432 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9434 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9435 Daniel Berlin <dberlin@dberlin.org>
9437 * tree-tailcall.c (arg_needs_copy_p): New function.
9438 (eliminate_tail_call): Use arg_needs_copy_p.
9439 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9440 (add_virtual_phis): New function.
9442 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9444 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9445 #ignore instead of #scratch for %g7 .register directive.
9447 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9449 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9452 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9454 * flow.c (calculate_global_regs_live): Assert that there aren't any
9457 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9459 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9461 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9462 bsi_after_labels iterator.
9463 * tree-if-conv.c (find_phi_replacement_condition,
9464 replace_phi_with_cond_modify_expr): Likewise.
9465 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9466 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9468 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9470 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9472 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9475 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9476 array after growing it.
9478 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9481 * fold-const.c (fold_checksum_tree): Change type of buf.
9483 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9485 * reload.c (push_secondary_reload): Initialize t_icode.
9487 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9489 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9490 -msoft-float -mlong-double-128 only issue a warning, but don't
9491 swich to DFmode long double.
9493 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9495 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9496 has a constant equivalent, iterate over equivalents for arg0,
9497 calling simplify_relational_operation and if there's a result
9498 cheaper than X, apply fold_rtx and return the result.
9500 2006-02-01 Jan Hubicka <jh@suse.cz>
9502 * opts.c (no_unit_at_a_time_default): New global variable.
9503 (decode_options): Use it.
9504 * opts.h (no_unit_at_a_time_default): Declare.
9506 2006-02-01 Paul Brook <paul@codesourcery.com>
9508 * function.c (assign_parm_setup_reg): Use function argument promotion
9510 * expr.c (expand_expr_real_1): Use function argument promotion rules
9513 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9515 * gcc.c (process_command): Change j to 'unsigned int'.
9517 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9520 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9521 Use the corrected index for the character
9522 out of the string constant.
9524 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9526 * mode-switching.c (optimize_mode_switching): Fix size
9527 allocated for bb_info[n_entities].
9529 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9531 * gcc.c (main): Correct type that is allocated for
9532 explicit_link_files.
9534 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9536 * config/s390/s390.c (init_alignment_context): Set
9537 ALIAS_SET_MEMORY_BARRIER on the MEM.
9538 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9540 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9543 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9545 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9548 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9550 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9551 * regrename.c: Ditto.
9552 * tree-ssa-loop-im.c: Ditto.
9553 * tree-dump.c: Ditto.
9554 * tree-complex.c: Ditto.
9555 * genrecog.c: Ditto.
9556 * tree-ssa-threadupdate.c: Ditto.
9558 * java/class.c: Ditto.
9559 * java/jcf-parse.c: Ditto.
9560 * java/resource.c: Ditto.
9561 * java/except.c: Ditto.
9562 * java/jvspec.c: Ditto.
9563 * java/jcf-write.c: Ditto.
9564 * java/jcf-path.c: Ditto.
9565 * java/gjavah.c: Ditto.
9566 * java/zextract.c: Ditto.
9567 * java/jcf-io.c: Ditto.
9568 * java/jcf.h: Ditto.
9569 * java/buffer.c: Ditto.
9570 * java/lang.c: Ditto.
9571 * java/parse-scan.y: Ditto.
9572 * java/lex.c: Ditto.
9573 * java/lex.h: Ditto.
9574 * cfgloopmanip.c: Ditto.
9575 * postreload-gcse.c: Ditto.
9576 * tree-ssa-loop-manip.c: Ditto.
9577 * postreload.c: Ditto.
9578 * tree-ssa-loop-ch.c: Ditto.
9582 * diagnostic.c: Ditto.
9584 * genoutput.c: Ditto.
9586 * cfghooks.c: Ditto.
9587 * cfgloopanal.c: Ditto.
9588 * objc/objc-act.c: Ditto.
9590 * genextract.c: Ditto.
9591 * genautomata.c: Ditto.
9592 * pretty-print.c: Ditto.
9594 * cgraphunit.c: Ditto.
9597 * haifa-sched.c: Ditto.
9598 * dominance.c: Ditto.
9600 * tree-ssa-loop-ivopts.c: Ditto.
9602 * mode-switching.c: Ditto.
9603 * modulo-sched.c: Ditto.
9605 * ipa-pure-const.c: Ditto.
9607 * fix-header.c: Ditto.
9609 * tree-stdarg.c: Ditto.
9610 * ipa-utils.c: Ditto.
9611 * loop-init.c: Ditto.
9612 * ipa-inline.c: Ditto.
9615 * alloc-pool.c: Ditto.
9616 * dwarf2out.c: Ditto.
9618 * genattrtab.c: Ditto.
9619 * tree-ssa-loop-ivcanon.c: Ditto.
9623 * fortran/gfortranspec.c: Ditto.
9625 * local-alloc.c: Ditto.
9626 * langhooks.c: Ditto.
9627 * function.c: Ditto.
9628 * tree-vectorizer.c: Ditto.
9630 * ipa-type-escape.c: Ditto.
9632 * tree-if-conv.c: Ditto.
9635 * tree-data-ref.c: Ditto.
9636 * loop-unroll.c: Ditto.
9637 * treelang/treetree.c: Ditto.
9640 * ggc-common.c: Ditto.
9642 * coverage.c: Ditto.
9644 * tree-cfgcleanup.c: Ditto.
9645 * tree-ssa-pre.c: Ditto.
9646 * cfgcleanup.c: Ditto.
9647 * loop-invariant.c: Ditto.
9649 * ipa-prop.c: Ditto.
9650 * print-tree.c: Ditto.
9651 * conflict.c: Ditto.
9652 * ggc-page.c: Ditto.
9653 * sched-deps.c: Ditto.
9654 * regclass.c: Ditto.
9655 * tree-object-size.c: Ditto.
9657 * bb-reorder.c: Ditto.
9658 * resource.c: Ditto.
9659 * var-tracking.c: Ditto.
9661 * df-problems.c: Ditto.
9662 * reg-stack.c: Ditto.
9665 * sched-rgn.c: Ditto.
9666 * tree-ssa-structalias.c: Ditto.
9667 * tree-ssa-reassoc.c: Ditto.
9668 * config/darwin-c.c: Ditto.
9669 * config/darwin.c: Ditto.
9670 * config/arm/arm.c: Ditto.
9672 * collect2.c: Ditto.
9675 2006-01-31 Nicolas Pitre <nico@cam.org>
9677 * arm.md (smaxsi3): Make aware of smax_m1.
9680 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9682 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9684 2006-01-31 Richard Guenther <rguenther@suse.de>
9686 * doc/invoke.texi (-msselibm): Document.
9687 * target.h (expand_library_builtin): New target hook.
9688 * builtins.c (expand_builtin): Use expand_library_builtin.
9689 (default_expand_library_builtin): New function.
9690 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9691 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9692 (link_gcc_math_spec): Declare.
9693 (static_specs): Add link_gcc_math_spec.
9694 * expr.h (default_expand_library_builtin): Declare.
9695 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9696 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9697 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9698 * config/i386/i386.opt (msselibm): New target option.
9699 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9700 (ix86_init_sse_abi_builtins): New function.
9701 (ix86_expand_library_builtin): Likewise.
9702 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9703 (override_options): Handle error conditions wrt -msselibm.
9704 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9705 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9706 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9709 2006-01-31 Richard Guenther <rguenther@suse.de>
9710 Paolo Bonzini <bonzini@gnu.org>
9712 * doc/install.texi (--disable-libgcc-math): Document.
9714 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9716 * expr.h (expand_normal): new inline function.
9717 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9719 * dwarf2out.c: use it.
9724 * config/sparc/sparc.c: use it.
9725 * config/i386/i386.c: use it.
9726 * config/rs6000/rs6000.c: use it.
9727 * config/arm/arm.c: use it.
9728 * config/mips/mips.c: use it.
9729 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9731 2006-01-30 Roger Sayle <roger@eyesopen.com>
9733 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9734 argv to the appropriate type.
9736 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9738 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9741 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9744 * config/s390/s390.c (struct machine_function): New flag
9745 decomposed_literal_pool_addresses_ok_p.
9746 (s390_reorg): Set it before final stage of literal pool transforms.
9747 (s390_decompose_address): Only accept displacements of the form
9748 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9750 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9752 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9753 the comparison routine return.
9755 2006-01-30 Michael Matz <matz@suse.de>
9757 * global.c (find_reg): Only evict for global regs.
9758 Take n_refs into account and dump more info.
9760 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9763 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9764 (pragma_trap, pragma_nosave_low_regs): Likewise.
9765 (current_function_anonymous_args): Likewise.
9766 (sh_deferred_function_attributes): New variable.
9767 (sh_deferred_function_attributes_tail): Likewise.
9768 (print_operand): For '@', look up trap_exit attribute.
9769 (calc_live_regs): Look up trapa_handler attribute. For trapa
9770 handlers, save/restore fpscr, but don't do any other
9771 interrupt-specific saves.
9772 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9773 Fix check for partially saved registers to check for SHmedia.
9774 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9775 (sh_output_function_epilogue): Don't clear any of the removed
9777 (sh_insert_attributes): Don't check pragma_interrupt.
9778 Insert deferred attributes. Check that interrupt attribute is
9779 present for other attributes that require its presence.
9780 (sh_attribute_table): Add new attributes trapa_handler and
9782 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9783 Don't check for pragma_interrupt. Don't store argument.
9784 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9785 (sh_deferred_function_attributes): Declare.
9786 (sh_deferred_function_attributes_tail): Likewise.
9787 * sh.md (sp_switch_1): Add operand. Change generator caller.
9788 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9789 (*return_i): Don't use when trap_exit attribute is in effect.
9790 (*return_trapa): New insn pattern.
9792 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9793 setting c_target_objs and cxx_target_objs.
9794 * t-sh: Add rule for sh-c.o.
9796 2006-01-30 Richard Guenther <rguenther@suse.de>
9799 * gimplify.c (gimplify_target_expr): Handle easy cases
9800 without creating a temporary.
9802 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9804 * vec.h (safe_grow): Remove duplicated line.
9806 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9809 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9810 (expand_omp): ... here.
9811 (expand_omp_parallel): Only remove barriers for combined
9812 parallel+workshare constructs.
9814 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9818 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9819 * tree.c (build_qualified_type): Chain the new type to the original
9820 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9821 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9822 (build_pointer_type_for_mode): Only return unqualified types.
9823 (build_reference_type_for_mode): Likewise.
9825 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9827 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9828 * Makefile.in (CXX_COMPAT_WARN): Define.
9829 * configure: Regenerate.
9831 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9834 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9837 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9839 * toplev.c: Fix thinko.
9841 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9842 Marcin Dalecki <martin@dalecki.de>
9844 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9845 (push_srcloc): Use XNEW.
9846 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9848 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9850 * df-core.c (df_set_blocks): Deleted all variable.
9852 2006-01-28 Ian Lance Taylor <ian@airs.com>
9854 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9855 cgraph_output_pending_asms.
9857 2006-01-28 Zack Weinberg <zackw@panix.com>
9859 * c.opt: Add -W(no-)overlength-strings.
9860 * doc/invoke.texi: Document it.
9861 * c-opts.c (c_common_handle_option): -pedantic implies
9862 -Woverlength-strings, if not explicitly disabled already.
9863 (c_common_post_options): -Woverlength-strings defaults to off, and
9864 is always off for C++.
9865 * c-common.c (fix_string_type): Issue warning about strings longer
9866 than is portable only if warn_overlength_strings. Rearrange code
9867 a little for clarity.
9868 * configure.in: Check for -Wno-overlength-strings as well before
9869 enabling -pedantic in stage 1.
9870 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9871 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9873 * genconditions.c (write_header, write_one_condition)
9874 (write_conditions, write_writer): Consolidate very long strings
9875 that were broken up to fit in C89 portable limit. Don't use
9876 printf when fputs will do.
9878 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9880 * combine.c (simplify_comparison <AND>): Check
9881 TRULY_NOOP_TRUNCATION before start using a subreg.
9883 * config/mips/mips.md (*branch_zero<mode>,
9884 *branch_zero<mode>_inverted, *branch_equality<mode>,
9885 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9886 Remove mode check from comparisons.
9888 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9890 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9892 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9894 * expmed.c (const_mult_add_overflow_p): Remove.
9895 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9897 * recog.c (validate_replace_rtx_subexp): Remove.
9898 * recog.h: Remove the prototype for
9899 validate_replace_rtx_subexp.
9901 * integrate.h: Remove the prototype for
9902 copy_decl_for_inlining.
9903 * rtl.h: Remove the prototype for mark_constant_function.
9904 * tree-vectorizer.h: Remove the prototype for
9905 vect_strip_conversion.
9907 * modulo-sched.c (create_partial_schedule,
9908 free_partial_schedule, reset_partial_schedule): Make them
9911 * hooks.c (hook_bool_rtx_int_false): Remove.
9912 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9914 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9916 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9917 and -mlong-double-128 are incompatible.
9918 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9919 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9920 (TARGET_LIBGCC2_CFLAGS): Define.
9921 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9922 (TARGET_LIBGCC2_CFLAGS): Same.
9923 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9925 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9928 * c-typeck.c (build_binary_op): Perform implicit casts of
9929 operands before shortening them.
9931 * cfgloopmanip.c (split_loop_bb): Remove.
9932 * cfgloop.h: Remove the prototype for split_loop_bb.
9934 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9935 * cfgloop.h: Remove the prototype for
9936 flow_loop_outside_edge_p.
9938 * emit-rtl.c (init_virtual_regs): Make it static.
9939 * function.h: Remove the prototype for init_virtual_regs.
9941 * recog.c (peephole2_optimize): Make it static.
9942 * recog.h: Remove the prototype for peephole2_optimize.
9944 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9946 * df-scan.c (df_record_entry_block_defs): Check if
9947 INCOMING_RETURN_ADDR_RTX is defined.
9949 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9950 Kenneth Zadeck <zadeck@naturalbridge.com>
9952 PR rtl-optimization/24762
9953 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9954 * targhooks.c (hook_void_bitmap): New hook prototype.
9955 * targhoohs.h (hook_void_bitmap): Ditto.
9956 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9957 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9958 * target.h (live_on_entry): New function pointer.
9959 * df-scan.c (df_all_hard_regs): Removed.
9960 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9961 (df_scan_free_internal): Added df->entry_block_defs.
9962 (df_scan_alloc): Ditto.
9963 (df_scan_dump): Ditto.
9964 (df_uses_record): Plumbed flag field properly thru calls.
9965 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9966 This part fixes PR24762.
9967 (df_bb_refs_record): Added code to make the frame and arg
9968 pointers live in EH blocks.
9969 (df_refs_record): Added call to df_record_entry_block_defs.
9970 (df_record_entry_block_defs): New function.
9971 * df-core.c: Added comments to describe new artifical defs.
9972 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9973 (entry_block_defs): New field in struct df.
9974 (df_all_hard_regs): Deleted.
9975 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9976 * df-problems.c (df_ru_bb_local_compute_process_def):
9977 Added code to handle artifical defs in the entry to a function.
9978 (df_ru_bb_local_compute): Ditto.
9979 (df_rd_bb_local_compute_process_def): Ditto.
9980 (df_rd_bb_local_compute): Ditto.
9981 (df_lr_bb_local_compute): Ditto.
9982 (df_ur_bb_local_compute): Ditto.
9983 (df_urec_bb_local_compute): Ditto.
9984 (df_chain_create_bb): Ditto.
9985 (df_ur_local_finalize): Removed entry.
9986 (df_urec_init): Ditto.
9987 (df_urec_local_finalize): Ditto.
9988 (df_ri_bb_compute): Added detection of last use of pseudos.
9989 * Makefile.in (df-scan.o): Updated dependencies.
9990 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9991 * config/mips/mips.c (mips_set_live_on_entry): Added.
9992 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9994 * dce.c (marked_insn_p): Added code to handle artifical defs.
9996 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9998 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10000 (_mm_cvtsi128_si64): Likewise.
10001 (_mm_cvtsd_si64): Likewise.
10002 (_mm_cvttsd_si64): Likewise.
10003 (_mm_cvtsi64_sd): Likewise.
10004 (_mm_cvtsi64_si128): Likewise.
10005 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10006 (_mm_cvtsi64_m64): Likewise.
10007 (_m_to_int64): Likewise.
10008 (_mm_cvtm64_si64): Likewise.
10009 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10010 (_mm_cvttss_si64): Likewise.
10011 (_mm_cvtsi64_ss): Likewise.
10012 (_mm_cvtss_f32): Likewise.
10014 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10016 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10017 for pragma redefine_extname.
10019 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10022 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10023 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10024 -mno-minimal-toc to previous content.
10025 (bispecs): Remove goal.
10026 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10027 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10028 compatibility aliases on powerpc-*-*gnu*.
10029 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10030 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10031 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10032 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10033 (ldblspecs): New goal.
10034 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10035 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10037 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10038 L_sf_to_tf or L_df_to_tf is defined.
10040 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10041 Alan Modra <amodra@bigpond.net.au>
10044 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10045 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10046 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10047 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10048 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10049 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10050 (rs6000_override_options): Initialize rs6000_ieeequad.
10051 Initialize TFmode format to ibm_extended_format if not
10053 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10055 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10056 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10057 (function_arg_advance): IBM long double passed in two FPRs, not
10059 (function_arg): IBM long double passed in FPRs.
10060 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10061 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10062 Only multireg GPR aligned.
10063 (rs6000_init_libfuncs): Enable IBM long double functions if not
10065 (rs6000_generate_compare): Use IBM long double compare if not
10067 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10068 (TARGET_IEEEQUAD): Define.
10069 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10070 not TARGET_IEEEQUAD.
10071 * config/rs6000/rs6000.md: Enable TFmode patterns if
10073 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10074 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10075 and -mlong-double-128 are incompatible.
10076 * doc/invoke.texi (-mabi): Collect options together. Add
10077 ibmlongdouble and ieeelongdouble.
10079 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10081 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10083 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10084 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10085 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10086 * rtl.h (rtunion_def): Remove rt_ptr.
10088 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10089 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10090 * config/i386/winnt.c (i386_pe_mark_dllexport)
10091 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10093 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10095 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10097 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10101 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10102 pthread_key_delete. From John David Anglin. gthrw-ify
10103 pthread_getunique_np only if it it's not a macro. Delete
10105 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10106 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10107 __gthread_objc_condition_signal, __gthread_key_delete): Add
10108 "__attribute__ ((__unused__))" to unused arguments.
10109 (__gthread_recursive_mutex_init_function): Add missing return.
10110 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10111 gthr-posix95.h: Use macro-based approach for name redirection
10112 on targets missing weakref.
10114 2006-01-26 Zack Weinberg <zackw@panix.com>
10116 * genconditions.c (write_header): In generated code, #ifdef out
10117 all includes and fake declarations, except includes of bconfig.h
10118 and system.h, unless GCC_VERSION >= 3001. Do not include
10119 gensupport.h in any case.
10120 (write_conditions): Generate a definition of struct c_test. Add
10121 a comment to the generated #endif.
10122 (write_one_condition): Escape backslashes in string too.
10123 (write_writer): Generated code must escape backslashes and quote
10124 marks (but not newlines) in the strings it writes.
10125 * Makefile.in (build/gencondmd.o): Update dependencies.
10127 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10130 * Makefile.in (insn-automata.o): Add header file dependencies.
10131 * genautomata.c: Add includes.
10133 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10136 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10138 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10140 * configure.ac: Expect target tools paths to be passed from the toplevel
10141 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10143 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10145 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10148 * c.opt (Wpointer-sign): Init to -1.
10149 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10150 OPT_pedantic, to 0 otherwise.
10151 * doc/invoke.texi: Update.
10153 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10155 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10156 constants provided by 80387 instructions in the destination mode.
10158 2006-01-26 Richard Guenther <rguenther@suse.de>
10159 Andrew Pinski <pinskia@physics.uc.edu>
10162 partial PR tree-opt/17064
10163 * tree-ssa-structalias.c (intra_create_variable_infos):
10164 Create heap variables for incoming parameters if
10165 flag_argument_noalias > 1.
10166 (find_what_p_points_to): Look through default defs of
10169 2006-01-26 Jeff Law <law@redhat.com>
10172 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10173 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10174 within the VR_RANGE, use the VR_RANGE as the result, not the
10176 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10177 bounds for the type.
10179 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10181 * tree-ssa-alias.c (maybe_create_global_var): Change
10182 subvar walking to an assertion that we don't have subvar'd variables.
10184 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10187 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10188 Use a new variable, inner. PARM_DECLs are always non-weak.
10190 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10192 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10193 --disable-checking.
10195 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10197 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10199 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10201 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10202 (smax_insn, smin_insn, smax_0, smin_0): New.
10204 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10207 * config/cris/cris.c (cris_order_for_addsi3): New function.
10208 * config/cris/cris-protos.h: Prototype it.
10209 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10210 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10211 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10212 (split for "op.S1 [rx=rx+i],ry (swapped)")
10213 (split for "op(s|u).S1 [rx=rx+i],ry")
10214 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10215 Apply cris_order_for_addsi3 when generating addsi3 insns.
10217 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10219 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10220 (TREE_BLOCK): Add call to EXPR_CHECK.
10222 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10225 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10226 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10227 (dump_omp_clauses): ... here.
10228 (dump_generic_node): Handle OMP_CLAUSE.
10229 * tree.c (omp_clause_num_ops): New.
10230 (omp_clause_code_name): New.
10231 (tree_code_size): Handle OMP_CLAUSE.
10232 (tree_size): Likewise.
10233 (make_node): Document handling of OMP_CLAUSE.
10234 (tree_node_structure): Handle OMP_CLAUSE.
10235 (omp_clause_check_failed): New.
10236 (omp_clause_range_check_failed): New.
10237 (omp_clause_operand_check_failed): New.
10238 (build_omp_clause): New.
10239 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10240 * tree.h (enum omp_clause_code): Declare.
10241 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10242 (OMP_CLAUSE_RANGE_CHECK): Define.
10243 (OMP_CLAUSE_ELT_CHECK): Define.
10244 (omp_clause_check_failed): Declare.
10245 (omp_clause_operand_check_failed): Declare.
10246 (omp_clause_range_check_failed): Declare.
10247 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10248 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10249 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10250 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10251 (OMP_CLAUSE_IF_EXPR): Likewise.
10252 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10253 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10254 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10255 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10256 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10257 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10258 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10259 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10260 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10261 (OMP_CLAUSE_CODE): Define.
10262 (OMP_CLAUSE_SET_CODE): Define.
10263 (OMP_CLAUSE_CODE): Define.
10264 (OMP_CLAUSE_OPERAND): Define.
10265 (struct tree_omp_clause): Declare.
10266 (union tree_node): Add field 'omp_clause'.
10267 * treestruct.def (TS_OMP_CLAUSE): Define.
10268 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10269 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10270 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10271 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10272 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10273 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10274 (OMP_CLAUSE): Define.
10275 * print-tree.c (print_node): Handle OMP_CLAUSE.
10276 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10277 * c-typeck.c: Likewise.
10278 * gimplify.c: Likewise.
10279 * c-omp.c: Likewise.
10280 * tree-nested.c: Likewise.
10281 * tree-inline.c: Likewise.
10282 * c-parser.c: Likewise.
10283 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10286 2006-01-25 Roger Sayle <roger@eyesopen.com>
10288 PR rtl-optimization/25703
10289 * combine.c (try_combine): Handle zero_extract and strict_low_part
10290 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10292 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10294 * global.c: Fix comment typos.
10296 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10299 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10300 Use output_addr_const instead of assemble_name.
10302 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10304 * Makefile.in (sched-vis.o): Update dependencies.
10305 * haifa-sched.c (sched_finish): Clear current_sched_info.
10306 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10307 (dump_flow_info): Call it.
10308 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10310 * basic-block.h (dump_bb_info): Declare.
10311 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10312 option, and apply options only for dump files whose TDF_RTL,
10313 TDF_TREE, or TDF_IPA bits match.
10314 * rtl.h: Declare new functions exported from sched-vis.c.
10315 * sched-vis.c: Enable also if scheduling is not used.
10316 (print_value): Print the mode of registers if not inside scheduling.
10317 (print_insn): Make it work outside the scheduler. Beautify the output
10319 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10321 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10323 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10324 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10325 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10326 depending on the value of CONSTANT_POOL_ADDRESS_P.
10327 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10329 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10330 rather than SYMBOL_REF_DECL.
10331 (rtx_constant_pool): Remove const_rtx_sym_htab.
10332 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10333 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10334 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10335 Remove handling of const_rtx_sym_htab.
10336 (find_pool_constant): Delete.
10337 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10338 rather than find_pool_constant.
10339 (get_pool_constant_for_function): Delete.
10340 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10341 find_pool_constant.
10342 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10343 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10344 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10345 (SYMBOL_REF_CONSTANT): New macro.
10346 (get_pool_constant_for_function): Delete.
10347 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10348 rather than SYMBOL_REF_DECL.
10349 (i386_pe_mark_dllimport): Likewise.
10350 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10351 rather than SYMBOL_REF_DECL.
10352 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10353 (machopic_indirect_call_target): Likewise.
10355 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10357 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10359 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10361 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10363 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10365 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10367 2006-01-24 David Daney <ddaney@avtrex.com>
10370 * configure.ac (enable_tls): New enable option.
10371 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10372 * configure: Regenerate.
10373 * doc/install.texi (--enable-tls): Document new option.
10374 (--disable-tls): Ditto.
10376 2006-01-24 Richard Henderson <rth@redehat.com>
10378 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10379 * alias.c (true_dependence): Respect it.
10380 (canon_true_dependence, write_dependence_p): Likewise.
10381 * builtins.c (get_builtin_sync_mem): Set it.
10383 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10385 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10388 2006-01-24 DJ Delorie <dj@redhat.com>
10390 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10391 for storing constants in single-bit bitfields.
10393 2006-01-25 Ben Elliston <bje@au.ibm.com>
10395 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10397 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10400 * tree-ssa-pre.c (phi_translate): Return NULL
10401 for AGGREGATE_TYPE's.
10403 2006-01-24 Zack Weinberg <zackw@panix.com>
10405 * genautomata.c (process_state_for_insn_equiv_partition):
10406 Use xcalloc for insn_arcs_array.
10407 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10408 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10410 2006-01-24 Richard Henderson <rth@redhat.com>
10412 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10413 update all callers.
10415 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10417 PR rtl-optimization/25890
10418 PR rtl-optimization/25905
10419 * combine.c (expand_compound_operation, expand_field_assignment):
10420 Fail if the bitfield's final position is out of bounds.
10422 2006-01-24 Ian Lance Taylor <ian@airs.com>
10424 PR middle-end/25930
10425 * cgraphunit.c (cgraph_output_in_order): Don't clear
10426 cgraph_asm_nodes until after asm strings have been output.
10428 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10430 * fix-header.c (read_scan_file): Add new parameter imultilib when
10431 calling register_include_chains.
10433 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10435 * omp-low.c: Update documentation.
10437 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10438 Daniel Berlin <dberlin@dberlin.org>
10442 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10443 return from the function.
10445 2006-01-22 Zack Weinberg <zackw@panix.com>
10447 * rtl.def (match_code): Add second argument.
10448 * genpreds.c (write_extract_subexp): New function.
10449 (write_match_code): Add path argument. Use write_extract_subexp.
10450 (write_predicate_expr): Pass path to write_match_code.
10451 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10452 not perform a mode test.
10453 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10454 a subexpression does not constrain the top-level code set.
10455 * read-rtl.c (read_rtx_variadic): New function.
10456 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10457 * doc/md.texi: Document new notation.
10458 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10459 (cmpsi_operand): ... here, using new notation.
10461 2006-01-22 Zack Weinberg <zackw@panix.com>
10463 * varray.c: Remove GENERATOR_FILE #ifdefs.
10465 2006-01-22 Zack Weinberg <zackw@panix.com>
10467 * genautomata.c (output_reserved_units_table): Emit nothing if
10468 description->query_units_num is zero. Remove extra blank line.
10469 (output_cpu_unit_reservation_p): Short circuit
10470 if description->query_units_num is zero.
10472 2006-01-22 Zack Weinberg <zackw@panix.com>
10474 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10475 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10476 nor any of the random handful of variables that used to be necessary
10477 when this program was linked with rtlanal.o. Prune set of forward
10478 function declarations.
10479 (struct attr_desc): Remove static_p field.
10480 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10481 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10482 (attr_string): Do not read the character one past the length of
10484 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10485 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10486 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10487 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10488 (make_automaton_attrs): New.
10489 (main): Do not call into genautomata. Call local gen_bypass
10490 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10491 Remove special case for insn_alts.
10492 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10493 varray.h (leftover from previous change). Prune set of forward
10494 function declarations. Remove state_alts fields from all
10495 structures. Remove state_alts_table from struct automaton.
10496 Make everything except main static. Do not maintain num_dfa_decls.
10497 Do not maintain state_alts fields of various structures.
10498 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10499 (add_arc): Remove state_alts argument. All callers updated.
10500 (output_reserved_units_table): Emit #ifdef here...
10501 (output_tables): ...not here. Don't generate state_alts tables.
10502 (expand_automata): Don't generate attributes.
10503 (write_automata): Don't generate state_alts functions.
10504 (main): New function.
10505 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10506 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10507 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10508 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10509 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10510 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10511 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10512 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10514 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10515 * genattrtab.h: Delete file.
10516 * Makefile.in (OBJS-common): Add insn-automata.o.
10517 (insn-automata.o): New rule.
10518 (simple_generated_c): Add insn-automata.c.
10519 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10520 (genprogmd): Add automata.
10521 (build/genattrtab): Needs no extra objects nor libraries.
10522 (build/genautomata): Needs build/vec.o and -lm.
10524 2006-01-22 Zack Weinberg <zackw@panix.com>
10526 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10527 (output_dfa_max_issue_rate, locked_states_num): Delete.
10528 (struct automaton): Add locked_states field.
10529 (output_dead_lock_vect): Save number of locked states in
10530 automaton->locked_states. If it is zero, don't print anything.
10531 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10532 (output_internal_dead_lock_func): Only test the dead_lock_vect
10533 for automata that have locked states.
10534 (output_statistics): Always print the number of locked states for
10535 each automaton. Calculate total number of locked states here.
10536 (write_automata): Don't call output_dfa_max_issue_rate.
10537 * genattrtab.c: Define length_unit_log as a const variable.
10538 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10539 max_insn_queue_index const.
10540 * final.c (length_unit_log): Declare const.
10541 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10543 2006-01-22 Zack Weinberg <zackw@panix.com>
10545 * genautomata.c: Include vec.h, not varray.h.
10546 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10547 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10548 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10549 VEC_* macros operating on appropriately typed vectors, or to
10550 malloced arrays when the size is known in advance. Const-ify
10551 many char* variables and function arguments. No functional changes.
10552 * Makefile.in (build/varray.o): Delete rule.
10553 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10554 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10556 2006-01-22 Zack Weinberg <zackw@panix.com>
10558 * gensupport.c: Define get_insn_name and record_insn_name here.
10559 (read_md_rtx): Call record_insn_name as appropriate.
10560 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10561 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10562 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10564 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10565 (BUILD_VARRAY): Delete.
10566 (genprognormal): Rename genprogmd. Fold in all programs from
10567 genprognoprint; also attrtab.
10568 (build/genattrtab): Just mention genautomata.o and varray.o.
10569 Reorganize a bit, add comments to make the categories clearer.
10571 2006-01-22 Zack Weinberg <zackw@panix.com>
10573 * genconditions.c (condition_table, add_condition): Delete.
10574 (write_conditions): Don't emit n_insn_conditions nor
10575 insn_elision_unavailable. Issue the gcc version #ifdef here,
10576 inside the table, with no #else clause ...
10577 (write_header): ...not here.
10578 (write_writer): New function.
10579 (main): Don't initialize condition_table. Use add_c_test.
10581 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10582 files on the command line.
10583 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10584 Return -1 if there is no entry in the table, don't abort.
10585 (add_c_test, traverse_c_tests): New functions.
10586 * gensupport.h (insn_elision_unavailable, insn_conditions)
10587 (n_insn_conditions): Delete declarations.
10588 (add_c_test, traverse_c_tests): Declare.
10589 * read-rtl.c: Include gensupport.h.
10590 (read_conditions): New function.
10591 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10592 (read_rtx_1): If we get EOF when we were looking for an initial
10593 open paren, return 0. Call read_conditions when appropriate.
10594 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10595 dummy-conditions.o. Eliminate references to insn-conditions.o,
10596 or change them to build/gencondmd.o, as appropriate. Remove
10597 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10598 from $(simple_generated_c). For all files remaining in those
10599 two lists, add insn-conditions.md to the generator command line.
10600 Give insn-constants.h/s-constants their own rules. Add rules
10601 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10602 (build/read-rtl.o): Depend on gensupport.h.
10603 (genprognormal): Include preds.
10604 (genprogearly): Rename genprognoprint; only difference is now that
10605 they don't link with $(BUILD_PRINT).
10606 * dummy-conditions.c: Delete.
10608 2006-01-22 Zack Weinberg <zackw@panix.com>
10610 * genextract.c: Don't include insn-config.h. Do include vec.h.
10611 Declare vectors of int, char, and locstr.
10612 (locstr): New typedef.
10613 (struct extraction): Make all array fields into bare pointers.
10614 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10615 (insn_code_number): Delete.
10616 (accum_extract): New struct.
10617 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10618 (gen_insn): Take insn_code_number as an argument. Use an
10619 accum_extract structure instead of loading data directly into
10620 a struct extraction, and having to know how big it might get.
10621 (walk_rtx): Operate entirely on an accum_extract structure.
10622 (print_path): Avoid unnecessary use of printf.
10623 (print_header): New function, split out of main. Distinguish
10624 more carefully between an unrecognizable insn and an insn that
10625 has the code number of a define_expand.
10626 (main): Pass insn_code_number to gen_insn. Call print_header
10627 only after parsing. Avoid unnecessary use of printf.
10628 * Makefile.in (build/vec.o): New rule.
10629 (build/genextract): Depend on build/vec.o.
10630 (build/genextract.o): Don't depend on insn-config.h.
10632 2006-01-22 Zack Weinberg <zackw@panix.com>
10634 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10635 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10636 practical. Eliminate per-generator-program link rules.
10638 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10640 PR middle-end/24437
10641 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10642 with a call expr to ...
10643 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10645 2006-01-23 Richard Guenther <rguenther@suse.de>
10647 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10648 before make_edge with conditional EDGE_TRUE_VALUE.
10650 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10651 Jan Hubicka <jh@suse.cz>
10652 Richard Guenther <rguenther@suse.de>
10654 PR rtl-optimization/25654
10655 * cfgexpand.c (aggregate_contains_union_type): New function.
10656 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10657 for structure variables that contain a union type.
10659 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10661 * gengtype.c (new_structure): Return the structure.
10662 (create_option): Add an extra "next" argument.
10663 (create_field): New function.
10664 (adjust_field_rtx_def): Use create_option and create_field.
10665 Remove a now-unnecessary call to find_structure.
10666 (adjust_field_tree_def): Likewise.
10667 (note_yacc_type): Remove an unnecessary call to find_structure.
10668 * gengtype.h (new_structure): Return the structure.
10669 (create_option): Add an extra argument.
10670 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10671 (option): Adjust calls to create_option.
10673 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10675 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10677 2006-01-22 Paul Brook <paul@codesourcery.com>
10678 Peter Barada <peter@the-baradas.com>
10680 * config/m68k/m68k.md: Add Coldfire FPU support.
10681 Define FP mode macro and associated attributes.
10682 Use it for float mode patterns.
10683 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10684 (LIBCALL_VALUE): Use m68k_libcall_value.
10685 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10686 (m68k_function_value): Ditto.
10687 (emit_move_sequence): Ditto.
10688 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10689 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10690 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10691 (MULTILIB_EXCEPTIONS): Ditto.
10692 * config/m68k/m68k.opt: Add mcfv4e.
10693 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10694 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10695 (m68k_output_function_prologue): Save ColdFire FPU registers.
10696 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10697 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10698 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10699 ColdFire FPU registers.
10700 (m68k_libcall_value, m68k_function_value): New functions.
10701 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10702 (LIBCALL_VALUE): Use m68k_libcall_value.
10703 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10704 (MASK_COLDFIRE): Add MASK_CFV4E.
10705 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10706 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10707 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10708 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10709 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10710 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10711 * doc/invoke.tex: Document -mcfv4e on m68k.
10713 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10715 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10718 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10721 * c-opts.c (c_common_handle_option): Don't include
10722 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10723 * doc/invoke.texi (C++ Dialect Options): Document that
10724 -Wnon-virtual-dtor is no longer included in -Wall.
10726 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10728 * gcov.c (print_version), gcov-dump.c (print_version),
10729 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10732 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10734 * df-scan.c (problem_SCAN): Added NULL reset function.
10735 (df_scan_reset_blocks): Added code to call reset block function
10736 (df_bb_refs_delete) Fixed comment.
10737 (df_insn_refs_delete): Made tolerant of deleting non existent info
10738 for dataflow problems that need to be reset.
10739 * df-core.c (df_set_blocks): Ditto.
10740 * df.h (struct df_problem): Added reset_fun.
10741 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10742 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10743 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10744 functions to clear out all references to def-use or use-def chains.
10746 2006-01-21 Ben Elliston <bje@au.ibm.com>
10748 * varasm.c (assemble_real): Initialise data array.
10750 2006-01-20 Paul Brook <paul@codesourcery.com>
10752 Merge from csl-arm-branch.
10753 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10754 * config/arm/arm.md (movdi): Force operands[1] to a register
10755 if we have a non-register source.
10756 (*arm_movdi, *movdf_soft_insn): Require that one of the
10757 operands be a register.
10758 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10759 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10761 2006-01-20 DJ Delorie <dj@redhat.com>
10763 * varasm.c (initializer_constant_valid_p): Allow pointers
10764 initialized from integer constants of lesser precision.
10765 (output_constant): Allow non-int-sized pointer modes to be
10766 initialized from integer constants.
10768 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10771 * cppdefault.h (struct default_include): Add multilib flag.
10772 * cppdefault.c (cpp_include_defaults): Set it.
10773 * c.opt (-imultilib): New option.
10774 * c-opts.c (imultilib): New.
10775 (c_common_handle_option): Handle -imultilib.
10776 (c_common_post_options): Likewise.
10777 * c-incpath.c (add_standard_paths, register_include_chains):
10779 * c-incpath.h (register_include_chains): Add extra parameter.
10780 * gcc.c (do_spec_1): Generate -imultilib option.
10781 (The Specs Language): Update %I description.
10782 (process_command): Update copyright notice.
10783 * doc/cppopts.texi (-imultilib): Document.
10784 * doc/invoke.texi (-imultilib): Include in option summary.
10785 (%I): Update specs documentation.
10787 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10789 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10791 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10793 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10796 2006-01-20 Richard Guenther <rguenther@suse.de>
10797 Steven Bosscher <stevenb.gcc@gmail.com>
10799 PR rtl-optimization/24626
10800 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10801 EDGE_TRUE_VALUE if in RTL mode.
10804 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10805 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10807 2006-01-20 Dirk Mueller <dmueller@suse.com>
10810 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10811 instead of a special NOP marker.
10812 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10813 NOP marker handling.
10814 * c-common.h (empty_body_warning): Add forward declaration.
10815 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10816 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10818 2006-01-20 Paul Brook <paul@codesourcery.com>
10820 * Makefile.in (lang_checks): Keep going if mkdir fails.
10822 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10824 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10825 be able to clean out basic block when not necessary.
10826 (df_scan_free): Fixed to properly delete information if df is
10827 unused before calling df_finish.
10828 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10829 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10831 (df_bb_refs_delete): New function.
10832 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10833 * df-core.c (df_set_blocks): Added code to properly clean out
10834 unused blocks if they are not part of the blocks to consider.
10835 Added additional null check.
10836 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10837 be able to clean out basic block when not necessary
10838 * df.h (df_free_bb_function): Ditto.
10839 (df_bb_refs_delete): New function.
10840 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10841 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10842 basic block parameter to be able to clean out basic block when not
10844 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10845 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10846 Fixed to properly delete information if df is unused before
10849 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10851 PR rtl-optimization/25799
10852 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10853 Corrected confluence operator to remove bits from op2 before oring
10854 with op1 rather than removing bits from op1.
10855 (df_ru_transfer_function): Corrected test on wrong bitmap which
10856 caused infinite loop. Both of these problems were introduced in
10857 the dataflow rewrite.
10859 2006-01-19 DJ Delorie <dj@redhat.com>
10861 * reload1.c (find_reload_regs): Note the details of reload
10862 failures in the dump file.
10863 (spill_failure): Likewise.
10865 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10867 * loop-iv.c: Include df.h and hashtab.h.
10868 (enum iv_grd_result): New enum.
10869 (DF_REF_IV, DF_REF_IV_SET): New macros.
10870 (struct biv_entry): New.
10871 (df, bivs): New global variables.
10872 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10873 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10875 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10876 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10877 analyzed_for_bivness_p, record_biv): New functions.
10878 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10879 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10880 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10882 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10884 (iv_number_of_iterations): Use new interface to iv analysis.
10885 * loop-unroll.c: Do not include varray.h.
10886 (analyze_iv_to_split_insn): Use new interface to iv
10888 * loop-unswitch.c (may_unswitch_on): Ditto.
10889 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10891 (df_bb_modify): Realloc tables to the new index.
10892 (df_find_use): New function.
10893 * df.h (df_find_use): Declare.
10894 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10896 * cfgloop.h (struct rtx_iv): Remove analysed field.
10897 (iv_get_reaching_def): Removed.
10898 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10899 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10900 (loop-iv.o): Add df.h and hashtab.h dependency.
10901 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10903 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10906 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10908 (__floatundisf, __floatundidf): Likewise.
10909 * libgcc2.h (IS_IBM_EXTENDED): Define.
10911 2006-01-19 DJ Delorie <dj@redhat.com>
10913 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10915 2006-01-19 Paul Brook <paul@codesourcery.com>
10917 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10918 as nothrow when unwinding tables are disabled.
10920 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10923 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10924 of bit-field" when in system header.
10926 2006-01-19 DJ Delorie <dj@redhat.com>
10928 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10929 the 16 bit shift limit of the m16c.
10931 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10934 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10935 * config/i386/i386.c (output_set_got): Output the label if we have one
10936 for the TARGET_DEEP_BRANCH_PREDICTION case.
10938 2006-01-19 Jan Hubicka <jh@suse.cz>
10939 H.J. Lu <hongjiu.lu@intel.com>
10940 Evandro Menezes <evandro.menezes@amd.com>
10942 * invoke.texi (generic): Document
10944 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10945 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10946 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10947 (x86_use_incdec, x86_pad_returns): New variables
10948 (TARGET_CPU_DEFAULT_generic): New constant
10949 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10950 (enum processor_type): Add generic32 and generic64.
10951 * i386.md (cpu attribute): Add generic32/generic64
10952 (movhi splitter): Behave sanely when both partial_reg_dependency and
10953 partial_reg_stall are set.
10954 (K8 splitters): Enable for generic as well.
10955 * predicates.md (incdec_operand): Use TARGET_INCDEC
10956 (aligned_operand): Avoid memory mismatch stalls.
10957 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10958 * ppro.md: Enable for generic32
10959 * i386.c (generic64_cost, generic32_cost): New.
10960 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10961 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10962 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10963 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10964 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10965 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10966 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10967 x86_accumulate_outgoing_args, x86_prologue_using_move,
10968 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10969 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10970 Enable for generic.
10971 (x86_use_incdec, x86_pad_returns): New.
10972 (override_options): Add generic32 and generic64, translate "generic"
10973 to generic32/generic64 and "i686" to "generic32", refuse
10974 "generic32"/"generic64" as arch target.
10975 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10976 (ix86_reorg): Honor PAD_RETURNS.
10978 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10980 * tree-pretty-print.c (dump_generic_node): Handle
10981 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10982 * cgraph.c (cgraph_expand_queue): Rename from
10983 cgraph_analyze_queue. Update all users.
10984 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10985 cgraph_expand_queue.
10986 (cgraph_expand_all_functions): Likewise.
10987 (cgraph_finalize_pending_functions): Remove. Update callers.
10989 * tree.h (OMP_DIRECTIVE_P): Define.
10990 (OMP_PARALLEL_FN): Define.
10991 (OMP_PARALLEL_DATA_ARG): Define.
10992 (OMP_SECTIONS_SECTIONS): Define.
10993 * tree-pass.h (pass_expand_omp): Declare.
10994 * omp-low.c (struct omp_region): Declare.
10995 (struct omp_context): Remove fields 'parallel_type',
10996 'parallel_start_ix' and 'parallel_start_additional_args'.
10998 (struct omp_for_data): Rename from struct expand_omp_for_data.
10999 (omp_regions): New static variable.
11000 (root_omp_region): New static variable.
11001 (find_omp_clause): Make static.
11002 (is_in_combined_parallel_ctx): Remove.
11003 (is_combined_parallel): New.
11004 (extract_omp_for_data): Move earlier in the file.
11005 (workshare_safe_to_combine_p): New.
11006 (get_ws_args_for): New.
11007 (determine_parallel_type): Move earlier in the file.
11008 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11010 (omp_copy_decl): Likewise.
11011 (create_omp_child_function): Likewise.
11012 (lookup_omp_region): New.
11013 (dump_omp_region): New.
11014 (debug_omp_region): New.
11015 (debug_all_omp_regions): New.
11016 (new_omp_region): New.
11017 (scan_omp_parallel): If parallel_nesting_level > 1, the
11018 directive is nested within another parallel directive.
11019 Set OMP_PARALLEL_FN.
11020 (scan_omp_for): Do not try to handle combined parallel+for
11022 Remove FIXME comment.
11023 (scan_omp_nested): Remove.
11024 (scan_omp_1): Do not call scan_omp_nested when
11025 parallel_nesting_level is > 1.
11026 Do not change the DECL_CONTEXT of local variables found.
11027 (lookup_decl_in_outer_ctx): New.
11028 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11029 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11030 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11031 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11032 If CTX is nested, lookup VAR in the outer context when
11033 building copy assignment.
11034 (lower_send_clauses): Rename from expand_send_clauses.
11035 If CTX is nested, lookup VAR in the outer context when
11036 building copy assignments.
11037 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11038 If CTX is nested, lookup VAR in the outer context when
11039 building copy assignments.
11040 (expand_parallel_call): Rename from build_parallel_call.
11041 Handle combined parallel+workshare cases.
11042 Re-implement to emit code into the CFG.
11044 (expand_omp_parallel): Re-implement to emit code into the CFG.
11045 Call move_sese_region_to_fn to outline the sub-graph
11046 containing the parallel region.
11047 (expand_omp_for_1): Remove.
11048 (expand_omp_for_generic): Re-implement to emit code into the
11050 (expand_omp_for_static_nochunk): Likewise.
11051 (expand_omp_for_static_chunk): Likewise.
11052 (expand_omp_for): Likewise.
11053 (expand_omp_sections): Likewise.
11054 (remove_exit_barriers): New.
11055 (expand_omp_synch): New.
11057 (build_omp_regions_1): New.
11058 (build_omp_regions): New.
11059 (execute_expand_omp): New.
11060 (gate_expand_omp): New.
11061 (pass_expand_omp): Define.
11062 (lower_omp_sections): Rename from expand_omp_sections.
11063 Set OMP_SECTIONS_SECTIONS.
11064 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11065 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11066 (lower_omp_single): Rename from expand_omp_simple.
11067 (lower_omp_master): Rename from expand_omp_master.
11068 (lower_omp_ordered): Rename from expand_omp_ordered.
11069 (lower_omp_critical): Rename from expand_omp_critical.
11070 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11071 (lower_omp_for): Re-implement.
11072 (lower_omp_parallel): Re-implement.
11073 (lower_regimplify): Rename from expand_regimplify.
11074 (lower_omp_1): Rename from expand_omp_1.
11075 If there are syntax errors in the program, replace every
11076 OpenMP directive with NOP.
11077 Call lower_omp_* instead of expand_omp_*.
11078 (lower_omp): Rename from expand_omp.
11080 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11081 * tree-gimple.h (enum omp_parallel_type): Remove.
11082 (gimple_boolify): Declare extern.
11083 (find_omp_clause, determine_parallel_type): Remove.
11085 * gimple-low.c (lower_omp_directive): New.
11086 (lower_stmt): Call it.
11087 (record_vars_into): Move from ...
11088 (record_vars): ... here.
11089 Call record_vars_into with current_function_decl.
11091 * gimplify.c (struct gimplify_ctx): Remove fields
11092 combined_pre_p and combined_ctxp. Update users.
11093 (get_formal_tmp_var): Add documentation.
11094 (gimple_boolify): Make extern.
11095 (gimplify_expr_in_ctx): Remove. Update callers.
11096 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11097 will always be a BIND_EXPR.
11098 (gimplify_expr): Handle OMP_RETURN_EXPR.
11099 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11100 (OMP_PARALLEL): Add 3 operands.
11101 (OMP_SECTIONS): Add 1 operand.
11102 (OMP_RETURN_EXPR): Define.
11104 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11105 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11106 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11107 creating a circular free list.
11108 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11110 * tree-flow.h (move_sese_region_to_fn): Declare.
11111 (record_vars_into): Declare.
11112 * tree-cfg.c (make_omp_sections_edges): New.
11113 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11114 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11115 OMP_SECTIONS and OMP_SECTION.
11116 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11117 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11118 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11119 (gather_blocks_in_sese_region): New.
11120 (struct move_stmt_d): Declare.
11121 (move_stmt_r): New.
11122 (move_block_to_fn): New.
11123 (move_sese_region_to_fn): New.
11125 * passes.c (init_optimization_passes): Schedule
11126 pass_expand_omp after pass_init_datastructures.
11128 * tree-ssa-operands.c (get_expr_operands): Handle
11129 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11130 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11132 2006-01-19 Jeff Law <law@redhat.com>
11134 * tree-vrp.c (extract_range_from_assert): Refine the result range
11135 if the variable referenced by the ASSERT_EXPR has a range and
11136 either the tentative result range or the previous range is a
11139 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11141 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11143 2006-01-19 Jan Hubicka <jh@suse.cz>
11145 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11147 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11149 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11150 (expand_compound_operation, expand_field_assignment): Fail if the
11151 bit lengths of an extract operation are out of range.
11152 (make_extraction): Compute wanted_inner_mode based on the position
11153 and length of the extraction. Make it extraction_mode for non-constant
11154 positions, and do not modify offset in that case. When generating a
11155 new MEM, use a mode that can hold the extraction while keeping correct
11156 alignment. Remove code that supported MEMs wrapped by USEs.
11157 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11159 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11161 * config/s390/s390.md ("Y", "y"): New mode attribute.
11162 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11163 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11164 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11165 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11166 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11167 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11168 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11169 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11170 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11171 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11172 "addsi3", "subsi3"): Insn patterns removed.
11173 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11174 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11175 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11176 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11177 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11178 "*sub<mode>3_cconly2"): New insn patterns.
11179 ("addsi3", "subsi3"): New expanders.
11181 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11183 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11184 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11185 existing STMT_VINFO_VECTYPE if available.
11186 (vect_mark_relevant): Add special handling for stmts that are
11187 marked as STMT_VINFO_IN_PATTERN_P.
11188 (vect_analyze_loop): Call vect_pattern_recog.
11189 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11190 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11192 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11193 (vect_recog_func_ptr): New function-pointer type.
11194 * tree-vect-patterns.c: New file.
11195 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11196 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11197 (vect_pattern_recog_1): New functions.
11198 (vect_pattern_recog_funcs): New array of function pointers.
11200 * tree-vectorizer.h (ternary_op): New enum value.
11201 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11202 declaration. Revised documentation. Removed redundant dump prints.
11203 Removed redundant argument. Added support for reduction patterns.
11204 (vectorizable_reduction): Added support for reduction patterns.
11205 (vect_transform_stmt): Added support for patterns.
11207 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11208 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11209 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11210 (expand_widen_pattern_expr): New function.
11211 (init_optabs): Initialize new optabs udot_prod_optab,
11213 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11214 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11215 (expand_widen_pattern_expr): New function declaration.
11216 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11218 * tree-inline.c (estimate_num_insns_1): Added cases for new
11219 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11220 * tree-pretty-print.c (dump_generic_node): Likewise.
11221 (op_prio): Likewise.
11222 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11223 * tree-ssa-operands.c (get_expr_operands): Added case for
11225 * tree-vect-patterns.c (widened_name_p): New function.
11226 (vect_recog_dot_prod_pattern): Added function implementation.
11227 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11228 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11229 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11230 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11232 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11233 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11234 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11235 (init_optabs): Initialize new optabs widen_ssum_optab,
11237 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11238 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11239 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11240 use instead of type of def.
11241 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11242 function implementation.
11243 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11244 widen_ssumv8hi): New.
11246 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11249 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11252 * c-decl.c (add_flexible_array_elts_to_size): New function.
11253 (finish_decl): Use it.
11255 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11257 * diagnostic.h: Include options.h.
11258 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11259 dependancies for diagnostic.h.
11260 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11262 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11264 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11265 (ssa_ro_call_cache_valid): Ditto.
11266 * tree-ssa-alias.c (sort_tags_by_id): New function.
11267 (init_transitive_clobber_worklist): Ditto.
11268 (add_to_worklist): Ditto.
11269 (mark_aliases_call_clobbered): Ditto.
11270 (compute_tag_properties): Ditto.
11271 (set_initial_properties): Ditto.
11272 (compute_call_clobbered): Ditto.
11273 (compute_may_aliases): Call compute_call_clobbered and grouping.
11274 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11275 (compute_flow_insensitive_aliasing): Grouping now happens in our
11277 (setup_pointers_and_addressables): Remove clobbering related code.
11278 (add_may_alias): Ditto.
11279 (replace_may_alias): Ditto.
11280 (get_nmt_for): Ditto.
11281 (create_global_var):
11282 (is_escape_site): Return an escape_type enumeration.
11283 * tree-flow-inline.h (is_call_clobbered): Global var does not
11284 imply call clobbered.
11285 (mark_call_clobbered): Take a reason for marking this. Remove
11286 marking of globalness, and cache invalidation.
11287 (clear_call_clobbered): Remove cache invalidation code.
11288 * tree-dfa.c (dump_variable): If details is on, dump the reason
11290 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11292 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11293 (struct var_ann_d): Ditto.
11294 (enum escape_type): New.
11295 (mark_call_clobbered): Adjust prototype.
11296 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11297 are never call clobbered.
11298 Record reasons for escaping.
11299 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11300 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11301 (ssa_ro_call_cache_valid): Ditto.
11302 (clobbered_v_may_defs): Ditto.
11303 (clobbered_vuses): Ditto.
11304 (ro_call_vuses): Ditto.
11305 (clobber_stats): New.
11306 (init_ssa_operands): Zero out clobber stats.
11307 (fini_ssa_operands): Print out clobber stats.
11308 (get_call_expr_operands): Pass callee fndecl to
11309 add_call_read_ops).
11310 (add_call_clobber_ops): Remove use of cache.
11311 Add use of PURE_CONST information.
11312 (add_call_read_ops): Remove use of cache.
11313 Add use of static not_read information.
11315 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11317 Introduce TLS descriptors for i386 and x86_64.
11318 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11319 (TARGET_ANY_GNU_TLS): New macro.
11320 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11321 (struct machine_function): Add tls_descriptor_call_expanded_p.
11322 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11323 (ix86_current_function_calls_tls_descriptor): Likewise.
11324 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11325 (override_options): Introduce gnu2 tls dialect.
11326 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11328 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11330 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11331 (ix86_init_machine_status): Initialize new field.
11332 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11333 (ix86_tls_module_base): New.
11334 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11335 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11336 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11337 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11338 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11339 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11340 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11341 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11342 * config/i386/predicates.md (tls_modbase_operand): New.
11343 (tp_or_register_operand): New.
11345 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11347 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11348 (look_for_address_of): Ditto.
11349 (ipa_init): Walk the function decls.
11350 (static_execute): Don't set readonly on FUNCTION_DECL's.
11352 2006-01-18 Roger Sayle <roger@eyesopen.com>
11354 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11355 for shifts where the source and destination registers are different.
11357 2006-01-18 Paul Brook <paul@codesourcery.com>
11359 Merge from csl-arm-branch.
11360 2005-03-14 Julian Brown <julian@codesourcery.com>
11361 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11362 (aeabi_llsl): Likewise.
11363 (ashrdi3): Likewise.
11364 (aeabi_lasr): Likewise.
11365 (lshrdi3): Likewise.
11366 (aeabi_llsr): Likewise.
11367 2005-03-10 Julian Brown <julian@codesourcery.com>
11368 * config.gcc: Disable shared libgcc for SymbianOS.
11369 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11371 2006-01-18 DJ Delorie <dj@redhat.com>
11373 * c-pragma.c (handle_pragma_diagnostic): New.
11374 (init_pragma): Register it.
11375 * doc/extend.texi: Document it.
11377 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11378 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11379 (diagnostic_context): Add classify_diagnostic[].
11380 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11381 as errors if they're overridden to DK_WARNING.
11382 (diagnostic_initialize): Initialize classify_diagnostic[].
11383 (diagnostic_set_kind_override): New.
11384 (diagnostic_report_diagnostic): Check for kind changes.
11385 * opts.c (common_handle_option): Take lang_mask. Update callers.
11386 Handle OPT_Werror_.
11387 * common.opt (Werror=): New.
11388 * doc/invoke.texi: Document -Werror=*
11390 2006-01-18 Jeff Law <law@redhat.com>
11392 * tree-vrp.c (test_for_singularity): Correct test for new
11393 min limit. Use operand_equal_p rather than pointer equality
11394 for testing if new min/max values are equal.
11396 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11397 using range information until after propagation and folding.
11399 2006-01-18 Richard Henderson <rth@redhat.com>
11400 Aldy Hernandez <aldyh@redhat.com>
11401 Jakub Jelinek <jakub@redhat.com>
11402 Diego Novillo <dnovillo@redhat.com>
11404 * omp-low.c: New file.
11405 * c-omp.c: New file.
11407 2006-01-18 Richard Henderson <rth@redhat.com>
11408 Jakub Jelinek <jakub@redhat.com>
11409 Diego Novillo <dnovillo@redhat.com>
11411 * doc/invoke.texi: Document -fopenmp.
11412 * tree-dump.h (debug_function): Declare.
11413 * hooks.c (hook_bool_tree_bool_false): New function.
11414 (hook_tree_tree_null): Remove.
11415 (hook_tree_tree_tree_null): New.
11416 * hooks.h: Update to match.
11417 * tree-pretty-print.c (debug_tree_chain): New.
11418 (print_generic_expr): Handle TDF_CHAIN.
11419 (dump_generic_node): Handle BLOCK.
11420 Do not abort with incomplete SWITCH_EXPRs.
11421 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11422 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11423 print space after directive name.
11424 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11425 Handle OMP_MASTER and OMP_ORDERED.
11426 Handle printing of OMP_BODY just in one place, goto
11427 dump_omp_body in the rest of OMP_* nodes that have
11429 Don't handle clause nodes here. Update omp statements to
11430 use dump_omp_clauses.
11431 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11432 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11433 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11434 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11435 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11436 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11437 Adjust output for GOMP_PARALLEL.
11438 (dump_omp_clauses): New.
11439 (print_declaration): Dump DECL_VALUE_EXPR.
11440 (op_symbol_1): Split out of op_symbol.
11441 (dumping_stmts): Remove. Update all users.
11442 * cgraph.c (cgraph_analyze_queue): New.
11443 (cgraph_add_new_function): New.
11444 * cgraph.h (cgraph_analyze_queue): Declare.
11445 (cgraph_add_new_function): Declare.
11446 (cgraph_lower_function): Remove.
11447 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11448 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11449 and TYPE_P nodes in its default clause.
11450 (empty_body_p): New.
11451 (tree_range_check_failed): New.
11452 (build5_stat): New.
11453 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11454 OMP_CLAUSE_REDUCTION_MERGE,
11455 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11456 OMP_CLAUSE_PRIVATE_DEBUG,
11457 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11458 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11459 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11460 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11461 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11462 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11463 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11464 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11465 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11466 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11467 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11468 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11469 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11470 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11471 (TREE_RANGE_CHECK): New.
11472 (empty_body_p): Declare.
11473 (enum omp_clause_default_kind): New.
11474 (build_string_literal): Declare.
11475 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11476 (build5_stat, build5): Declare.
11477 * tree-pass.h (TDF_CHAIN): Define.
11478 * tree-pass.h (PROP_gimple_lomp): Define.
11479 (pass_lower_omp): Declare.
11480 * diagnostic.h (debug_tree_chain): Declare.
11481 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11483 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11484 * builtins.c (build_string_literal): Make extern.
11485 * gcc.c (include_spec_function): New.
11486 (static_spec_functions): Add it.
11487 (main): Move load of libgomp.spec ...
11488 (LINK_COMMAND_SPEC): ... here.
11489 (link_gomp_spec): New.
11490 (static_specs): Include it.
11491 (LINK_COMMAND_SPEC): Add link_gomp.
11492 (GOMP_SELF_SPECS): New.
11493 (driver_self_specs): Include it.
11494 (switch_matches): Don't mark inline.
11495 (main): Load libgomp.spec.
11496 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11497 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11498 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11499 * tree-gimple.h (enum omp_parallel): Declare.
11500 (determine_parallel_type): Declare.
11501 (omp_firstprivatize_variable): Declare.
11502 (omp_reduction_init): Declare.
11503 (diagnose_omp_structured_block_errors): Declare.
11504 (struct walk_stmt_info): Add want_return_expr.
11505 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11506 (find_omp_clause): Declare.
11507 (insert_field_into_struct): Declare.
11508 (struct walk_stmt_info): Move from tree-nested.c
11509 (walk_stmts): Declare.
11510 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11512 * cgraphunit.c (cgraph_lower_function): Make static.
11513 (cgraph_finalize_pending_functions): New.
11514 (cgraph_finalize_function): Call it.
11515 (cgraph_finalize_compilation_unit): Likewise.
11516 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11517 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11518 (BT_FN_UINT_UINT): New.
11519 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11520 DEF_FUNCTION_TYPE_VAR_4): Document.
11521 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11522 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11523 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11524 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11525 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11526 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11527 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11528 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11529 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11530 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11531 into separate files.
11532 (DEF_GOMP_BUILTIN): New.
11533 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11534 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11535 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11536 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11537 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11538 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11539 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11540 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11541 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11542 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11543 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11544 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11545 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11546 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11547 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11548 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11549 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11550 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11551 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11552 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11553 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11554 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11555 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11556 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11557 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11558 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11559 * sync-builtins.def: New file, moved from builtins.def.
11560 * omp-builtins.def: New file, moved from builtins.def.
11561 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11562 * gimple-low.c (lower_function_body): Clear data.
11563 (lower_stmt): Do not handle COMPOUND_EXPR.
11564 Remove call to print_node_brief.
11565 * c-tree.h (c_finish_omp_clauses): New prototype.
11566 (C_DECL_THREADPRIVATE_P): Define.
11567 (lookup_name_no_remap, c_omp_remap_private): Remove
11568 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11569 (check_for_loop_decls): Update decl.
11570 (lookup_name_no_remap, c_omp_remap_private): Declare.
11571 (build_indirect_ref, build_modify_expr, pushdecl,
11572 pushdecl_top_level): Move to c-common.h.
11573 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11574 before the switch, but just in the 2 places that need it.
11575 * c-decl.c (diagnose_mismatched_decls): Do not check for
11576 mismatched thread-local attributes when OLDDECL is marked
11577 threadprivate and NEWDECL has no thread-local attributes.
11578 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11579 (c_gimple_diagnostics_recursively): Rename from
11580 c_warn_unused_result_recursively. Invoke
11581 diagnose_omp_structured_block_errors.
11582 (check_for_loop_decls): Return a singular decl found.
11583 * langhooks.c (lhd_omp_predetermined_sharing): Return
11584 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11585 (lhd_omp_firstprivatize_type_sizes): New.
11586 (lhd_omp_assignment): New.
11587 (lhd_omp_predetermined_sharing): New.
11588 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11589 (struct lang_hooks_for_types): Add
11590 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11591 omp_predetermined_sharing, omp_disregard_value_expr,
11592 omp_private_debug_clause, omp_clause_default_ctor,
11593 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11594 (c_finish_omp_clauses): New.
11595 (c_finish_bc_stmt): Diagnose break within omp for.
11596 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11597 (build_unary_op): Return error_mark after reporting
11599 (build_modify_expr): Likewise.
11600 * gimplify.c: Include optabs.h and pointer-set.h.
11601 (enum gimplify_omp_var_data): Declare.
11602 (struct gimplify_omp_ctx): Declare.
11603 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11605 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11606 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11607 (splay_tree_compare_decl_uid): New.
11608 (new_omp_context): New.
11609 (delete_omp_context): New.
11610 (gimple_add_tmp_var): Call omp_add_variable.
11611 (gimplify_bind_expr): Likewise.
11612 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11613 true, disregard DECL_VALUE_EXPR on the decl if any.
11614 (gimplify_expr_in_ctx): New.
11615 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11616 omp_add_variable, omp_notice_variable, omp_is_private
11617 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11618 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11619 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11620 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11621 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11622 gimplify_omp_atomic): New.
11623 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11624 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11625 OMP_CRITICAL and OMP_ATOMIC.
11626 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11627 * c-pragma.h (enum pragma_kind): Add
11628 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11629 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11630 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11631 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11632 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11633 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11634 PRAGMA_OMP_THREADPRIVATE.
11635 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11636 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11637 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11638 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11639 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11640 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11641 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11642 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11643 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11644 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11645 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11646 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11647 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11649 (struct nesting_info): Add field_map,
11650 suppress_expansion, debug_var_chain.
11651 (create_nesting_tree): Initialize them.
11652 (lookup_field_for_decl): Use field_map.
11653 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11654 (convert_local_omp_clauses): New.
11655 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11656 (walk_body): Split out of walk_function.
11657 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11658 (convert_nonlocal_reference): Handle omp statements.
11659 (convert_local_reference): Likewise.
11660 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11661 (unnest_nesting_tree): New.
11662 (lower_nested_functions): Call it.
11663 (insert_field_into_struct): Make extern.
11664 (struct walk_stmt_info): Move to tree-gimple.h.
11665 (walk_stmts): Make extern.
11666 * omp-builtins.def: New file.
11667 * tree-iterator.c (expr_only): Clarify comment.
11668 * c-common.h (pushdecl_top_level, pushdecl,
11669 build_modify_expr, build_indirect_ref,
11670 c_finish_omp_master, c_finish_omp_critical,
11671 c_finish_omp_ordered, c_finish_omp_barrier,
11672 c_finish_omp_atomic, c_finish_omp_flush,
11673 c_finish_omp_for, c_split_parallel_clauses,
11674 omp_clause_default_kind, c_omp_sharing_predetermined,
11675 c_omp_remap_decl): Declare.
11676 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11677 (OBJS-common): Add omp-low.o.
11678 (c-omp.o, omp-low.o): Add.
11679 (gimplify.o): Add dependency on $(OPTABS_H).
11680 (GTFILES): Add omp-low.c.
11681 (gt-stringpool.h): Add.
11682 * tree-cfg.c (set_bb_for_stmt): Do not update the
11683 block-to-labels map if we are currently expanding to RTL.
11684 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11686 Handle IDENTIFIER_NODE.
11687 (tree_verify_flow_info): Do not ICE when emitting error
11688 messages about invalid labels.
11689 (dump_function_to_file): Reset CFUN before emitting the body
11691 (debug_function): New.
11692 * passes.c (init_optimization_passes): Schedule
11694 * langhooks-def.h (lhd_omp_predetermined_sharing,
11695 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11697 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11698 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11699 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11700 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11701 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11702 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11703 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11704 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11705 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11706 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11707 (LANG_HOOK_DECLS): Use them.
11709 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11710 Richard Henderson <rth@redhat.com>
11711 Jakub Jelinek <jakub@redhat.com>
11712 Diego Novillo <dnovillo@redhat.com>
11714 * c-parser.c (pragma_omp_clause): Define.
11715 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11716 (c_parser_compound_statement): Likewise.
11717 (c_parser_statement): Likewise.
11718 (c_parser_pragma): Handle omp pragmas.
11719 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11720 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11721 (c_parser_omp_clause_name, check_no_duplicate_clause,
11722 c_parser_omp_variable_list,
11723 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11724 c_parser_omp_clause_copyprivate,
11725 c_parser_omp_clause_default,
11726 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11727 c_parser_omp_clause_lastprivate,
11728 c_parser_omp_clause_nowait,
11729 c_parser_omp_clause_num_threads,
11730 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11731 c_parser_omp_clause_reduction,
11732 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11733 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11734 c_parser_omp_atomic, c_parser_omp_barrier,
11735 c_parser_omp_critical, c_parser_omp_flush,
11736 c_parser_omp_for_loop, c_parser_omp_for,
11737 c_parser_omp_master, c_parser_omp_ordered,
11738 c_parser_omp_sections_scope, c_parser_omp_sections,
11739 c_parser_omp_parallel, c_parser_omp_single,
11740 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11741 * c-pragma.c (init_pragma): Do omp pragma registration here.
11742 * c.opt (fopenmp): New flag.
11744 2006-01-18 Eric Christopher <echristo@apple.com>
11746 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11747 * config/darwin.h (GOMP_SELF_SPECS): Define.
11749 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11751 * rtl.h: Remove the prototype for reg_alloc.
11753 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11756 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11757 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11758 sjlj and dwarf2 exception handling.
11759 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11760 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11761 * pa/pa.c (function_value): Treat complex and vector types as
11763 (function_arg): Likewise. Only pass scalar floats in the floating
11764 point argument registers.
11765 * pa/t-slibgcc-dwarf-ver: New file.
11766 * pa/t-slibgcc-sjlj-ver: New file.
11767 * pa/t-slibgcc-elf-ver: Delete file.
11769 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11771 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11772 unlikely_test_section_p test.
11774 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11776 * mode-switching.c (optimize_mode_switching): Make it static.
11777 * basic-block.h: Remove the prototype for
11778 optimize_mode_switching.
11780 * modulo-sched.c (sms_schedule): Make it static.
11781 * rtl.h: Remove the prototype for sms_schedule.
11783 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11784 * rtl.h: Remove the prototype for gcse_after_reload_main.
11786 * reg-stack.c (reg_to_stack): Make it static.
11787 * rtl.h: Remove the prototype for reg_to_stack.
11789 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11791 * rtl.h: Remove the prototypes for regrename_optimize and
11792 copyprop_hardreg_forward.
11794 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11796 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11797 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11798 Test against the appropriate null constant for the mode.
11799 If 'fixup_overlap' is true, swap the operands if they overlap.
11800 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11801 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11802 alpha_split_tmode_pair and adjust for above change.
11803 * config/alpha/alpha.md (movtf_internal): Adjust call to
11804 alpha_split_tfmode_pair and rely on it to swap the operands.
11805 (movti_internal): New insn and post-reload splitter.
11806 (movti): New expander.
11808 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11810 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11813 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11815 * rtlanal.c (global_reg_mentioned_p_1,
11816 global_reg_mentioned_p): Remove.
11817 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11819 * flow.c (initialize_uninitialized_subregs): Make it static.
11820 * rtl.h: Remove the prototype for
11821 initialize_uninitialized_subregs.
11823 * function.c (instantiate_virtual_regs): Make it static.
11824 * function.h: Remove the prototype for
11825 instantiate_virtual_regs.
11827 * regmove.c (regmove_optimize, combine_stack_adjustments):
11829 * rtl.h: Remove the prototypes for regmove_optimize and
11830 combine_stack_adjustments.
11832 2006-01-17 Roger Sayle <roger@eyesopen.com>
11834 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11835 (size_cost): Encode costs in bytes so that a reg-reg addition is
11836 equivalent to COSTS_N_INSNS(1).
11837 (override_options): Use the size_cost.branch_cost as the default
11838 ix86_branch_cost when optimizing for size.
11840 2006-01-18 Ben Elliston <bje@au.ibm.com>
11842 * Makefile.in (D32PBIT_FUNCS): New.
11843 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11844 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11845 D64PBIT_FUNCS and D128PBIT_FUNCS.
11846 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11847 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11849 (decnumber_dep): Define.
11850 * doc/libgcc.texi (Decimal float library routines): New node.
11851 * config/dfp-bit.h, config/dfp-bit.c: New files.
11853 2006-01-18 Ben Elliston <bje@au.ibm.com>
11855 * expr.c (emit_move_change_mode): Always adjust addresses, not
11856 just during reload. Copy replacements only during reload.
11857 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11858 emit_move_via_integer.
11860 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11862 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11863 instead of $(srcdir) and ${srcdir}.
11865 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11868 PR middle-end/11135
11869 * arm.h (struct machine_function): Add pic_reg.
11870 * arm.c (arm_pic_register): Make unsigned.
11871 (arm_override_options): Only set arm_pic_register if
11872 TARGET_SINGLE_PIC_BASE.
11873 (use_return_insn): Only test for a pic register if it is fixed.
11874 (arm_compute_save_reg0_reg12_mask): Likewise.
11875 (thumb_compute_save_reg_mask): Likewise.
11876 (legitimate_pic_operand): Factor out some known invariants.
11877 (legitimize_pic_address): If we don't have a fixed pic register,
11878 then set up a pseudo in the function entry sequence. Handle the
11879 pic base being in a pseudo.
11880 (arm_load_pic_register): Handle the pic register being in a pseudo.
11881 (arm_expand_prologue): Only set up the pic register if it is fixed.
11882 (thumb_expand_prologue): Likewise.
11883 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11884 (pic_load_addr_based_insn): Likewise.
11885 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11888 2006-01-18 Ben Elliston <bje@au.ibm.com>
11890 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11891 decimal float modes for all floating point registers.
11893 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11894 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11896 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11899 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11900 even when the pointer is not NULL.
11902 2006-01-16 Ian Lance Taylor <ian@airs.com>
11904 * common.opt (ftoplevel-reorder): New option.
11905 * cgraph.c (cgraph_asm_nodes): New global variable.
11906 (cgraph_asm_last_node): New static variable.
11907 (cgraph_order): New global variable.
11908 (cgraph_create_node): Set new order field.
11909 (cgraph_varpool_node): Likewise.
11910 (decide_is_variable_needed): Return true if not
11911 flag_toplevel_reorder.
11912 (cgraph_add_asm_node): New function.
11913 * cgraph.h (struct cgraph_node): Add order field.
11914 (struct cgraph_varpool_node): Add order field.
11915 (struct cgraph_asm_node): Define.
11916 (cgraph_asm_nodes, cgraph_order): Declare.
11917 (cgraph_add_asm_node): Declare.
11918 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11920 (cgraph_varpool_assemble_pending_decls): Call it.
11921 (cgraph_output_pending_asms): New static function.
11922 (cgraph_finalize_compilation_unit): Call it.
11923 (struct cgraph_order_sort): Define.
11924 (cgraph_output_in_order): New static function.
11925 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11926 !flag_toplevel_reorder case.
11927 * c-parser.c: Include "cgraph.h".
11928 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11930 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11931 than -fno-unit-at-a-time.
11932 * doc/invoke.texi (Option Summary): Mention
11933 -fno-toplevel-reorder.
11934 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11935 -funit-at-a-time documentation.
11937 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11938 Kazu Hirata <kazu@codesourcery.com>
11940 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11942 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11944 * Makefile.in (FUNCTION_H): New. Use it instead of
11945 function.h throughout the file.
11946 * function.h: Include tree.h.
11948 2006-01-17 Ben Elliston <bje@au.ibm.com>
11950 * recog.c: Separate some functions with whitespace.
11952 2006-01-16 Richard Henderson <rth@redhat.com>
11954 Merge from gomp branch:
11955 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11956 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11957 and rename from struct inline_data. Rename callee* to dst*;
11958 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11959 transform_new_cfg, transform_return_to_modify, and
11960 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11962 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11963 (copy_decl_for_dup): Remove.
11964 * tree-inline.c (struct inline_data): Move to header.
11965 (insert_decl_map): Export.
11966 (remap_decl): Update for member name changes. Use copy_decl hook.
11967 Allow for replacement to be a non-decl. Remove dead code.
11968 (remap_type_1): Check for existing mapping.
11969 (remap_type): Export.
11970 (remap_decls): Update for member name changes.
11971 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11972 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11973 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11974 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11975 (tree_function_versioning, build_duplicate_type): Likewise.
11976 (copy_body_r): Likewise. Export.
11977 (copy_decl_for_dup): Split into ...
11978 (copy_decl_for_dup_finish, copy_decl_to_var,
11979 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11980 (replace_ref_tree, inlining_p): Remove.
11982 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11984 * ifcvt.c (if_convert): Make it static.
11985 * rtl.h: Remove the prototype for if_convert.
11987 * local-alloc.c (local_alloc): Make it static.
11988 * rtl.h: Remove the prototype for local_alloc.
11990 * loop.c (loop_optimize): Make it static.
11991 * cfgloop.h: Remove the prototype for loop_optimize.
11994 2006-01-16 DJ Delorie <dj@redhat.com>
11996 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11999 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12001 * pa.md: Disparage copies between general and floating-point registers
12002 in 32-bit move patterns.
12004 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12007 * Makefile.in (check-%): Depend on site.exp instead of
12008 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12011 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12013 * global.c (global_alloc): Make it static.
12014 * rtl.h: Remove the prototype for global_alloc.
12016 2006-01-16 Richard Guenther <rguenther@suse.de>
12018 * tree-ssa-alias.c (struct used_part): Add write_only field.
12019 (get_or_create_used_part_for): Initialize it to true.
12020 (create_overlap_variables_for): Don't create structure variables
12021 for structures that only are written to.
12022 (find_used_portions): Handle MODIFY_EXPR to track whether a
12023 structure is only written to.
12025 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12027 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12029 * basic-block.h: Remove the prototype for
12030 partition_hot_cold_basic_blocks.
12032 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12034 * cppspec.c (lang_specific_spec_functions): Remove.
12035 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12036 * gcc.h (lang_specific_spec_functions): Remove.
12037 * gccspec.c (lang_specific_spec_functions): Remove.
12039 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12041 * combine.c (record_value_for_reg): Invalidate registers
12043 (record_dead_and_set_regs_1): Likewise, by passing them to
12044 record_value_for_reg.
12045 (record_dead_and_set_regs): Invalidate stores made by a
12046 call. We do not combine across a call, but we still
12047 relied on equivalences.
12049 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12051 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12052 vrp_int_const_binop returning non-constant nodes.
12054 2006-01-16 Paul Brook <paul@codesourcery.com>
12056 * config/m68k/m68k.c (output_move_const_into_data_reg):
12057 Output correct mnemonic for mvz and mvs.
12059 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12061 * rtl-factoring.c: Add sequence abstraction algorithm.
12062 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12063 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12065 (block_has_preserve_label): New function.
12066 * common.opt: Register new pass.
12067 * Makefile.in: Ditto.
12069 * timevar.def: Ditto.
12070 * tree-pass.h: Ditto.
12071 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12072 * rtl.h (make_jump_insn_raw): Add forward decl.
12073 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12075 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12076 Roger Sayle <roger@eyesopen.com>
12078 * fold-const.c (fold_minmax): New static function.
12079 (fold_binary) <MIN_EXPR>: Call it.
12080 <MAX_EXPR>: Likewise.
12081 * stor-layout.c (place_field): Use DECL_SIZE consistently
12082 in the computation of the new record size.
12084 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12086 * cse.c (cse_condition_code_reg): Make it static.
12087 * rtl.h: Remove the prototype for cse_condition_code_reg.
12089 * combine.c (combine_instructions): Make it static.
12090 * rtl.h: Remove the prototype for combine_instructions.
12092 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12095 * tree.c (get_file_function_name_long): Concatenate the first global
12096 object name with a string derived from the input filename of the object
12099 2006-01-16 Ben Elliston <bje@au.ibm.com>
12101 * config/i386/winnt-stubs.c: Update FSF address.
12102 * config/xtensa/ieee754-df.S: Ditto.
12103 * config/xtensa/ieee754-sf.S: Ditto.
12105 2006-01-14 Ian Lance Taylor <ian@airs.com>
12107 * ifcvt.c (noce_init_if_info): New static function, broken out of
12108 noce_process_if_block.
12109 (noce_process_if_block): Call noce_init_if_info.
12110 (check_cond_move_block): New static function.
12111 (cond_move_process_if_block): New static function.
12112 (process_if_block): Call cond_move_process_if_block.
12114 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12116 * cselib.c (hash_table): Rename to cselib_hash_table.
12117 (cselib_clear_table, discard_useless_values,
12118 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12119 cselib_init, cselib_finish): Adjust uses of hash_table.
12121 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12123 PR tree-optimization/25485
12124 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12125 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12126 is known to be false and true, respectively.
12128 2006-01-14 Richard Guenther <rguenther@suse.de>
12130 PR tree-optimization/22548
12131 PR tree-optimization/22555
12132 PR tree-optimization/22501
12133 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12134 * params.def (salias-max-array-elements): New parameter.
12135 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12136 * doc/invoke.texi (salias-max-array-elements): Document.
12137 * tree-flow-inline.h (var_can_have_subvars): We also handle
12139 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12141 * tree-ssa-structalias.c (params.h): Include.
12142 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12143 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12144 (get_constraint_for): For ADDR_EXPR operating on something
12145 containing an ARRAY_REF, add all subvars to the solution.
12146 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12147 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12148 for creating MUST_DEFs.
12149 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12151 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12153 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12155 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12156 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12157 number_of_iterations_le): New functions.
12158 (number_of_iterations_special): Removed.
12159 (number_of_iterations_exit): Do not use number_of_iterations_special.
12160 * tree.c (unsigned_type_for): Always return integer type.
12162 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12163 Richard Guenther <rguenther@suse.de>
12165 PR rtl-optimization/24257
12166 * gcse.c (find_moveable_store): Only consider a store movable
12167 when the SET_SRC of the insn can be assigned to a register.
12169 2006-01-14 Ian Lance Taylor <ian@airs.com>
12171 * tree.c (tree_not_class_check_failed): New function.
12172 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12173 (tree_not_class_check_failed): Declare.
12175 2006-01-13 Ian Lance Taylor <ian@airs.com>
12177 * reload1.c (do_output_reload): Add assertion rejecting a
12180 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12182 * combine.c (struct reg_stat): Add new fields truncation_label and
12184 (record_value_for_reg): Reset truncated_to_mode.
12185 (record_truncated_value): New function.
12186 (check_promoted_subreg): Call it. Rename to check_conversions.
12187 (combine_instructions): Rename check_promoted_subreg to
12189 (reg_truncated_to_mode): New function.
12190 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12191 (gen_lowpart_or_truncate): New function.
12192 (force_to_mode): Use it instead of gen_lowpart.
12194 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12196 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12197 VAR is a tag, not its type tag.
12199 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12201 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12202 alternatives to match style of other entries.
12203 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12205 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12207 PR tree-optimization/25771
12208 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12211 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12214 * tree-inline.c (declare_return_variable): If the return variable
12215 was marked as a non gimple complex, set the return slot variable
12216 to be a non gimple comple variable.
12218 2006-01-13 Richard Guenther <rguenther@suse.de>
12220 * builtins.c (expand_builtin_sincos): New function.
12221 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12223 (expand_builtin): Expand sincos using expand_builtin_sincos.
12225 2006-01-12 DJ Delorie <dj@redhat.com>
12227 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12228 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12229 so that constant shifts can be split.
12230 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12231 (m32c_valid_pointer_mode): Make static.
12232 (shift_gen_func_for): New.
12233 (m32c_prepare_shift): Use it. Split large const shifts into
12235 * config/m32c/predicates.md (shiftcount_operand): Allow more
12237 (longshiftcount_operand): New.
12238 * doc/md.texi (Machine Constraints): Document In6.
12240 2006-01-13 Ben Elliston <bje@au.ibm.com>
12242 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12243 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12246 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12248 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12249 to try to avoid clobbering pieces of structures when we know
12250 something about the whole structure.
12251 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12253 2006-01-13 Ben Elliston <bje@au.ibm.com>
12255 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12256 return in memory, as this is no limitation is no longer present.
12258 2006-01-12 DJ Delorie <dj@redhat.com>
12260 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12261 mova with fb, and for fb+0 -> An.
12263 * config/m32c/mov.md (peephole2): Fix enabling logic.
12265 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12266 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12267 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12268 FINI_ARRAY_SECTION_ASM_OP): Define.
12270 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12272 (m32c_legitimize_reload_address): New logic to reload FB to An.
12273 (m32c_output_reg_push): Add newline.
12274 (m32c_output_reg_pop): Likewise.
12276 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12278 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12280 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12282 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12284 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12286 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12289 2006-01-11 Ben Elliston <bje@au.ibm.com>
12291 * rtlanal.c (find_reg_note): Assert insn is not null.
12293 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12295 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12298 2006-01-11 Jeff Law <law@redhat.com>
12300 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12302 (mark_threaded_blocks, register_jump_thread): New functions.
12303 (thread_through_all_blocks): Remove unwanted argument. No
12304 longer rely on e->aux to communicate thread target info.
12305 Call mark_threaded_blocks. Release the threaded_blocks
12306 bitmap and threaded_edges vector when complete.
12307 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12308 (threaded_blocks): Remove.
12309 (tree_ssa_dominator_optimize): Remove initialization and
12310 finalization of threaded_blocks. Simplify call to
12311 thread_through_all_blocks.
12312 (thread_across_edge): Call register_jump_thread rather than
12313 storing thread information into e->aux.
12314 (free_all_edge_infos): Simplify now that e->aux is no longer
12315 used to communicate with thread_through_all_blocks.
12316 * tree-flow.h (thread_through_all_blocks): Update prototype.
12317 (register_jump_thread): Prototype.
12319 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12321 * df-core.c (df_compact_blocks, df_bb_replace): Use
12322 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12324 2006-01-11 Richard Guenther <rguenther@suse.de>
12326 PR tree-optimization/25734
12327 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12328 stop propagation after successful propagation to the LHS.
12330 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12332 * basic-block.h (control_flow_graph): Change the type of
12333 x_basic_block_info to VEC(basic_block,gc) *.
12334 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12336 (SET_BASIC_BLOCK): New.
12337 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12338 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12339 * cfgbuild.c (find_basic_blocks): Likewise.
12340 * cfglayout.c (fixup_reorder_chain): Likewise.
12341 * cfgrtl.c (create_basic_block_structure,
12342 rtl_create_basic_block): Likewise.
12343 * ifcvt.c (find_if_case_1): Likewise.
12344 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12347 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12349 * Makefile.in: Removed rotted odf.c entry.
12351 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12354 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12355 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12356 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12357 output pattern modifier, not %e.
12358 * config/cris/cris.c (cris_op_str): Update comment about pattern
12360 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12361 before falling through into...
12362 <case 'E'>: Redefined from old 'e' case.
12364 2006-01-11 Jan Hubicka <jh@suse.cz>
12367 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12369 2006-01-11 Jan Hubicka <jh@suse.cz>
12371 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12372 * i386.c (x86_decompose_lea): Kill.
12373 (ix86_rtx_costs): Kill.
12375 2006-01-11 Jan Hubicka <jh@suse.cz>
12377 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12378 * cgraph.h (cgraph_node): Add inline_decl.
12379 (cgraph_insert_node_to_hashtable): Declare.
12380 (save_inline_function_body): Declare.
12381 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12383 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12384 (cgraph_function_versioning): Update call of tree_function_versioning.
12385 (save_inline_function_body): New function.
12386 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12387 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12388 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12389 (cgraph_default_inline_p): Likewise.
12390 (cgraph_decide_inlining_incrementally): Likewise.
12391 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12392 (copy_bb): Kill saving; do updating of clones.
12393 (copy_cfg_body): Kill saving.
12394 (initialize_inlined-parameters): Likewise.
12395 (expand_call_inline): Likewise.
12397 (tree_function_versioning): New parameter "update_clones".
12398 (inlining_p): Kill saving.
12399 * tree-inline.h (tree_function_versioning): Update prototype.
12400 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12403 2006-01-11 Ian Lance Taylor <ian@airs.com>
12405 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12406 Allow undoing set of machine mode.
12407 (do_SUBST): Use enums instead of is_int.
12408 (do_SUBST_MODE): New function.
12409 (SUBST_MODE): New macro.
12410 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12411 reg and trying to replace reg_regno_rtx with a new register.
12412 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12413 (simplify_set): Use SUBST_MODE.
12414 (distribute_notes): Remove code that tried to update reg notes
12415 for regno_reg_rtx changes.
12417 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12419 PR tree-optimization/23109
12420 PR tree-optimization/23948
12421 PR tree-optimization/24123
12423 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12424 * tree-cfg.c (single_noncomplex_succ): New.
12425 * tree-flow.h (single_noncomplex_succ): Declare it.
12426 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12427 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12428 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12429 insert_bb, register_division_in, insert_reciprocals,
12430 replace_reciprocal, free_bb): New.
12431 (execute_cse_reciprocals_1): Rewritten.
12432 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12433 Do not commit any edge insertion. Always compute dominators and
12434 create the allocation pool.
12435 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12436 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12437 * targhooks.c (default_min_divistions_for_recip_mul): New.
12438 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12439 * passes.c (init_optimization_passes): Run recip after tree loop
12441 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12443 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12444 Kenneth Zadeck <zadeck@naturalbridge.com>
12446 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12447 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12448 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12449 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12450 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12451 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12452 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12453 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12454 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12455 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12456 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12457 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12458 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12459 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12460 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12461 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12462 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12463 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12464 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12465 DF_SCAN_POST_ALLOC): New macros.
12466 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12467 df_free_bb_function, df_local_compute_function, df_init_function,
12468 df_dataflow_function, df_confluence_function_0,
12469 df_confluence_function_n, df_transfer_function,
12470 df_finalizer_function, df_free_function, df_dump_problem_function,
12471 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12472 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12473 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12474 df_urec_bb_info, ) New types.
12475 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12477 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12478 df_analyze_simple_change_some_blocks,
12479 df_analyze_simple_change_one_block, df_compact_blocks,
12480 df_bb_replace, df_bb_regno_last_use_find,
12481 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12482 df_insn_regno_def_p, df_find_def, df_find_use,
12483 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12484 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12485 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12486 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12487 debug_df_chain, df_get_dependent_problem, df_chain_create,
12488 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12489 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12490 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12491 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12492 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12493 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12494 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12495 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12496 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12497 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12498 df_reorganize_refs, df_set_state, df_hard_reg_init,
12499 df_read_modify_subreg_p) New public functions.
12500 * df-core.c: The core dataflow solver and glue routines for rtl
12502 (df_init, df_add_problem, df_set_blocks, df_finish,
12503 df_hybrid_search_forward, df_hybrid_search_backward,
12504 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12505 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12506 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12507 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12508 df_reg_defined, df_find_use, df_reg_used, df_dump,
12509 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12510 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12511 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12512 debug_df_useno, reset_df_after_reload): New functions.
12513 * df-scan.c: The scanning fuctions, once in df.c, completely
12514 rewritten so that they now fully model the functionality of
12515 register usage at the backend.
12516 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12517 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12518 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12519 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12520 df_get_artificial_defs, df_get_artificial_uses,
12521 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12522 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12523 df_refs_delete, df_reorganize_refs, df_set_state,
12524 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12525 df_def_record_1, df_defs_record, df_uses_record,
12526 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12527 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12528 df_record_exit_block_uses, df_hard_reg_init): New functions.
12530 * df-problems.c: Seven concrete dataflow problems that use the
12531 scanning in df-scan.c and are solved by the engine in df-core.c.
12532 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12533 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12534 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12535 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12536 df_ru_free_bb_info, df_ru_alloc,
12537 df_ru_bb_local_compute_process_def,
12538 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12539 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12540 df_ru_transfer_function, df_ru_free, df_ru_dump,
12541 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12542 df_rd_free_bb_info, df_rd_alloc,
12543 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12544 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12545 df_rd_transfer_function, df_rd_free, df_rd_dump,
12546 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12547 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12548 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12549 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12550 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12551 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12552 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12553 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12554 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12555 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12556 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12557 df_urec_mark_reg_use_for_earlyclobber,
12558 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12559 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12560 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12561 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12562 df_chain_create_bb_process_use, df_chain_create_bb,
12563 df_chain_finalize, df_chain_free, df_chains_dump,
12564 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12565 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12566 df_reg_lifetime): New functions.
12567 * df.c: Deleted file.
12568 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12569 consistent with new df api.
12570 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12571 rest_of_handle_sms): Ditto.
12572 * web.c (unionfind_union, union_defs, entry_register, web_main):
12574 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12575 invariant_expr_equal_p, find_defs, check_dependencies,
12576 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12577 free_inv_motion_data, move_loop_invariants): Ditto.
12578 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12579 Update dependencies.
12580 (odf.c): Added defective entry that was deleted later in day.
12581 * sched-deps.c (sched_analyze_1): Ditto.
12583 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12585 * tree-ssa-operands.c (get_expr_operands): Record addressable
12586 variables directly. Do not call add_stmt_operands for CONST_DECLs
12588 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12589 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12591 2006-01-11 Ben Elliston <bje@au.ibm.com>
12593 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12594 function returns true in the positive case.
12596 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12599 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12600 for SI, DI, SF and DF modes. Add alternatives to copy between
12601 general and floating point registers to the 32-bit patterns.
12602 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12603 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12604 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12605 generating 64-bit code.
12606 * config/pa/pa.c (output_move_double): Handle copies between general
12607 and floating registers.
12609 2006-01-10 Stuart Hastings <stuart@apple.com>
12611 * config/i386/i386.md (set_got): Update.
12612 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12613 (builtin_setjmp_receiver): Mach-O support.
12614 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12615 (GOT_SYMBOL_NAME): Define.
12616 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12617 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12618 * config/i386/i386.c (override_options): Revise for Darwin.
12619 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12620 support. (darwin_x86_file_end): New. (output_set_got): Add label
12621 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12622 * config/i386/i386-protos.h (output_set_got): Likewise.
12623 * config/darwin.c (machopic_legitimize_pic_address): Update
12626 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12628 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12629 when MODE isn't BLKmode.
12631 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12633 PR rtl-optimization/25367
12634 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12636 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12639 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12640 for a negative bound.
12642 2006-01-10 Richard Guenther <rguenther@suse.de>
12644 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12645 Never override with anything constraint.
12647 2006-01-10 Jan Beulich <jbeulich@novell.com>
12649 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12650 256 bits when optimize_size.
12652 2006-01-10 Jan Beulich <jbeulich@novell.com>
12654 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12656 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12657 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12660 2006-01-10 Ben Elliston <bje@au.ibm.com>
12662 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12664 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12665 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12666 (USE_FP_FOR_ARG): Reject decimal float modes.
12667 (function_arg_advance): Likewise.
12668 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12669 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12670 point types in AltiVec vectors.
12671 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12672 (rs6000_libcall_value): Likewise.
12674 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12676 * config/xtensa/ieee754-df.S: New file.
12677 * config/xtensa/ieee754-sf.S: New file.
12678 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12679 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12680 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12682 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12684 * config/sh/predicates.md (binary_float_operator,
12685 binary_logical_operator, commutative_float_operator,
12686 equality_comparison_operator, greater_comparison_operator,
12687 less_comparison_operator, logical_operator,
12688 noncommutative_float_operator, shift_operator,
12689 symbol_ref_operand, unary_float_operator): Remove redundant
12692 2006-01-09 Jeff Law <law@redhat.com>
12694 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12695 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12696 now unused arguments. Callers updated.
12697 (eliminate_redundant_computations): Remove now unused arguments,
12699 (local_fold): Remove, no longer used.
12700 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12702 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12703 (simplify_cond): New function.
12704 (forward_propagate_into_cond): Call simplify_cond.
12706 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12708 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12709 (*vec_extractv2di_1_sse): New.
12711 2006-01-09 Ben Elliston <bje@au.ibm.com>
12713 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12715 2006-01-08 Richard Guenther <rguenther@suse.de>
12717 * tree-ssa-structalias.c (get_constraint_for): Remove
12718 anyoffset argument.
12719 (get_constraint_for_component_ref): Likewise.
12720 (do_deref): Likewise.
12721 (get_constraint_for): Likewise.
12722 (do_structure_copy): Likewise.
12723 (handle_ptr_arith): Likewise.
12724 (find_func_aliases): Likewise. Remove unused need_anyoffset
12727 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12728 Kaz Kojima <kkojima@gcc.gnu.org>
12730 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12731 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12732 (EXTRA_CONSTRAINT_C16): Remove.
12733 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12734 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12735 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12736 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12737 constants of SHmedia. Handle nested constant expressions of
12739 (andcosts): Fix the costs for SHmedia constants.
12740 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12741 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12742 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12743 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12744 (movv4hi_i, movv2si_i): Likewise.
12745 (movsi_const): Adjust the second operand of ior so to match with
12746 the Csu constraint.
12747 (movdi_const, movdi_const_32bit): Likewise.
12748 (movdi_const_16bit+1): Don't sign-extend LOW.
12749 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12751 (*double_shori): Fix the split condition. Use GEN_INT instead
12752 of get_int_mode calls. Mask lower 16-bit of the argument of
12754 (sym2GOTPLT): Remove.
12755 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12757 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12758 instead of EXTRA_CONSTRAINT_C16.
12760 2006-01-07 Ian Lance Taylor <ian@airs.com>
12761 David Edelsohn <edelsohn@gnu.org>
12763 PR rtl-optimization/25662
12764 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12765 for constant operands instead of simplify_gen_binary.
12766 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12767 after trying simplify_binary_operation
12769 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12771 * tree.c (iterative_hash_expr): Hash decls based on UID.
12773 2006-01-06 Eric Christopher <echristo@apple.com>
12775 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12776 (TARGET_UNWIND_EMIT): Fix spelling.
12777 * target.h (gcc_target): Add except_table_label.
12778 * except.c (output_function_exception_table): Use.
12779 * varasm.c (default_emit_except_table_label): New.
12780 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12782 (asm_out): Add here.
12783 * output.h (default_emit_except_table_label): Prototype.
12784 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12785 * config/darwin.c (darwin_emit_except_table_label): Define.
12786 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12788 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12790 PR tree-optimization/18527
12791 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12792 number_of_iterations_special, number_of_iterations_exit):
12793 Move base and step of an iv to a single structure. Add
12794 no_overflow flag, and use it in # of iterations analysis.
12795 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12796 folded_casts argument.
12797 (simple_iv): Pass base and step in a structure. Set no_overflow
12799 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12800 Evaluate expensiveness of computing # of iterations instead of
12801 the final expression.
12802 * tree-scalar-evolution.h (affine_iv): New structure.
12803 (simple_iv): Declaration changed.
12804 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12805 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12806 find_givs_in_stmt): Changed due to simple_iv change.
12808 2006-01-06 Jeff Law <law@redhat.com>
12811 * tree-cfg.c (bsi_replace): Rename final argument from
12812 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12813 change (stmt -> orig_stmt).
12814 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12815 (bsi_remove): Add new argument. Remove EH information
12817 (verify_eh_throw_table_statements): New function.
12818 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12820 * tree-optimize.c (execute_free_cfg_annotations): Verify
12821 the EH throw statement table after removing annotations.
12822 * except.h (verify_eh_throw_table_statements): Prototype.
12823 * tree-flow.h (bsi_remove): Update prototype.
12824 * tree-vrp.c (remove_range_assertions): Add new argument to
12826 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12827 * tree-complex.c (expand_complex_div_wide): Likewise.
12828 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12829 * tree-tailcall.c (eliminate_tailcall): Likewise.
12830 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12831 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12832 * tree-nrv.c (tree_nrv): Likewise.
12833 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12834 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12835 (combine_blocks): Likewise.
12836 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12837 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12838 (cleanup_control_flow): Likewise.
12839 (remove_forwarder_block): Likewise.
12840 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12841 * tree-sra.c (sra_replace): Likewise.
12842 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12843 (forward_propagate_single_use_vars): Likewise.
12844 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12845 * tree-inline.c (expand_call_inline): Likewise.
12846 * tree-vect-transform.c (vect_transform_loop): Likewise.
12847 * tree-outof-ssa.c (rewrite_trees): Likewise.
12848 * tree-cfg.c (make_goto_expr_edges): Likewise.
12849 (cleanup_dead_labels): Likewise.
12850 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12851 (bsi_move_before, bsi_move_after): Likewise.
12852 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12853 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12855 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12858 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12860 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12861 on non gimple variables. Also add checks at the top for decls and
12863 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12865 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12866 and IMAGPART_EXPR for creating MUST_DEFs.
12867 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12868 and NAME_MEMORY_TAG separately from the DECLs.
12870 2006-01-06 Richard Guenther <rguenther@suse.de>
12872 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12873 annotation, if necessary.
12874 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12875 redundant calls to update_stmt.
12876 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12879 2006-01-05 Richard Henderson <rth@redhat.com>
12881 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12883 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12885 * c-typeck.c: Update copyright date.
12887 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12889 * c-typeck.c (build_c_cast): Always warn when casting
12890 from a pointer to an integer of different size, even if
12891 the node was constant.
12893 2006-01-05 Richard Guenther <rguenther@suse.de>
12895 PR tree-optimization/22555
12896 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12897 if one structure field is an array.
12898 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12899 operands even if we found a subvar, but ignore VOPs in this
12901 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12903 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12905 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12907 PR middle-end/24998
12908 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12910 2006-01-05 Richard Guenther <rguenther@suse.de>
12911 Diego Novillo <dnovillo@redhat.com>
12913 * tree-pass.h (TODO_remove_unused_locals): Define.
12914 * gimple-low.c (expand_var_p, remove_useless_vars,
12915 pass_remove_useless_vars): Remove. Update all users.
12916 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12917 (remove_unused_locals): New function.
12918 * tree-flow.h (remove_unused_locals): Declare.
12919 * passes.c (execute_todo): Call remove_unused_locals if
12920 TODO_remove_unused_locals is set.
12921 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12922 * tree-ssa-dce.c (pass_dce): Likewise.
12923 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12925 2006-01-05 Richard Guenther <rguenther@suse.de>
12927 * tree-flow.h (struct fieldoff): Decompose field to
12928 type, size and decl.
12929 * tree-ssa-alias.c (create_sft): Take type as parameter.
12930 (create_overlap_variables_for): Store type, size and decl
12931 in the fieldoff structure.
12932 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12933 of struct fieldoff.
12934 (push_fields_onto_fieldstack): Likewise.
12935 (create_variable_info_for): Likewise. Use offset for the
12936 SFT name if the decl is not available.
12938 2006-01-04 Paul Brook <paul@codesourcery.com>
12940 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12942 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12944 * lambda-code.c (can_put_in_inner_loop): Relax
12946 (can_put_after_inner_loop): New function.
12947 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12948 (perfect_nestify): Change to make copies and modify uses.
12950 2006-01-04 Richard Henderson <rth@redhat.com>
12952 Merge from gomp branch:
12953 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12954 via integer constant.
12955 (pragma_lex): Remove.
12956 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12957 rather than parsing it.
12958 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12959 handle_pragma_extern_prefix): Add %< %> quotes.
12960 (registered_pragmas): New.
12961 (c_register_pragma_1): New.
12962 (c_register_pragma): Use it.
12963 (c_register_pragma_with_expansion): Likewise.
12964 (c_invoke_pragma_handler): New.
12965 (init_pragma): Use cpp_register_deferred_pragma directly for
12967 * c-pragma.h (enum pragma_kind): New.
12968 (pragma_handler): New.
12969 (c_invoke_pragma_handler): Declare.
12970 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12972 * c-common.h (c_common_pch_pragma): Update decl.
12973 * Makefile.in (c-parser.o): Update dependencies.
12974 (GTFILES): Add c-pragma.h.
12975 * c-parser.c (struct c_token): Add pragma_kind.
12976 (struct c_parser): Add in_pragma.
12977 (c_lex_one_token): Always initialize keyword and pragma_kind.
12978 Extract data for CPP_PRAGMA.
12979 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12980 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12981 Don't allow CPP_PRAGMA_EOL if in_pragma.
12982 (c_parser_consume_pragma): New.
12983 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12984 (c_parser_skip_to_end_of_parameter): Likewise.
12985 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12986 (c_parser_skip_to_pragma_eol): New.
12987 (c_parser_external_declaration): Handle CPP_PRAGMA.
12988 (c_parser_compound_statement_nostart): Likewise.
12989 (c_parser_statement_after_labels): Likewise.
12990 (c_parser_pragma): New.
12991 (pragma_lex): Likewise.
12992 (c_parser_pragma_pch_preprocess): New.
12993 (c_parser_new): Merge into ...
12994 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12996 2006-01-04 Jeff Law <law@redhat.com>
12999 * tree-cfg.c (bsi_replace): Remove the original statement
13000 from the EH throw statement table.
13002 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13004 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13005 make the prototype extern "C" and add throw ().
13008 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13009 and pos non-negative and pos + len <= 32.
13010 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13011 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13012 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13015 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13016 as well as sizes not multiple of component size.
13019 * function.c (instantiate_expr): New function.
13020 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13021 walk its DECL_VALUE_EXPR with instantiate_expr.
13023 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13024 DW_OP_deref{,_size} if address isn't going to be added.
13026 2006-01-04 Ben Elliston <bje@au.ibm.com>
13028 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13029 * config/fp-bit.c: Likewise.
13031 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13033 * dominance.c: Add comment about why we use DFS numbering
13036 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13037 Richard Henderson <rth@redhat.com>
13039 Merge from gomp-branch:
13040 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13041 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13043 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13045 PR rtl-optimization/25578
13046 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13047 pass a parameter to simplify_shift_const if changing ASHIFTRT
13050 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13052 * builtins.c (get_builtin_sync_mem): New function.
13053 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13054 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13055 Call get_builtin_sync_mem to generate mem rtx.
13057 2006-01-03 Richard Guenther <rguenther@suse.de>
13060 * stmt.c (add_case_node): Make sure to clear overflow flags
13063 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13065 Merge from gomp-branch.
13066 * config/sparc/sync.md: New file.
13067 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13068 UNSPECV_LDSTUB): New constants.
13069 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13070 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13071 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13074 2006-01-03 Roger Sayle <roger@eyesopen.com>
13076 * combine.c (reg_subword_p): New predicate to test whether the
13077 destination of a set refers to a subword/piece of a register.
13078 (try_combine): Generalize the code to merge the setting of a
13079 pseudo to a constant followed by a set of a subword of that
13080 register to a constant.
13082 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13084 * basic-block.h (control_flow_graph): Change the type of
13085 x_label_to_block_map to VEC(basic_block,gc) *.
13086 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13087 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13089 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13090 VEC(basic_block,heap) *.
13091 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13092 ssa_prop_fini): Adjust the uses of cfg_blocks.
13094 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13096 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13098 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13099 hashing trees instead of a pointer hash.
13100 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13101 compare for MEM_EXPR.
13103 PR rtl-optimization/25130
13104 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13105 when comparing MEMs for GCSE
13107 2006-01-03 Ben Elliston <bje@au.ibm.com>
13109 * targhooks.h (default_decimal_float_supported_p): Declare.
13110 * targhooks.c (default_decimal_float_supported_p): Define.
13111 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13112 `default_decimal_float_supported_p'.
13113 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13115 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13117 * combine.c (apply_distributive_law <SUBREG>): Check
13118 TRULY_NOOP_TRUNCATION.
13120 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13122 * dwarf2out.c (have_switched_text_section): Delete.
13123 (have_multiple_function_sections): New.
13124 (have_location_lists): Make 'bool'.
13125 (add_AT_loc_list): Use 'true' not '1'.
13126 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13127 (output_loc_list): Use have_multiple_function_sections.
13128 (output_ranges): Likewise.
13129 (dwarf2out_begin_function): Set have_multiple_function_sections if
13131 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13132 Check function_section rather than DECL_SECTION_NAME.
13133 (dwarf2out_finish): Use have_multiple_function_sections.
13134 Don't clear have_location_lists.
13136 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13137 Jan Hubicka <jh@suse.cz>
13139 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13140 case of conditional jump jumping to the next instruction.
13141 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13142 cases of conditional jump jumping to the next instruction.
13144 2006-01-02 Jan Hubicka <jh@suse.cz>
13146 * i386.c (*_cost): Add COSTS_N_INSNS.
13147 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13149 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13152 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13154 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13156 * config/arm/arm.c (all_fpus): Fix comment typo.
13157 * config/darwin.c: Likewise.
13158 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13159 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13160 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13162 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13164 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13165 (rs6000_split_compare_and_swapqhi): New.
13166 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13167 (sync_compare_and_swapqhi_internal): New.
13168 * config/rs6000/rs6000-protos.h: Declare.