1 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5 2006-07-13 Jan Hubicka <jh@suse.cz>
7 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
9 * output.h (align_variable): Declare.
10 * varasm.c (align_variable): Export.
11 * value-prof.c (tree_value_profile_transformations): Recompute iterator
12 when basic block changed.
14 2006-07-13 Nick Clifton <nickc@redhat.com>
16 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
17 walking the LOG_LINKS chain.
19 2006-07-12 Geoffrey Keating <geoffk@apple.com>
21 * doc/invoke.texi (C++ Dialect Options): Explain difference
22 between -fvisibility-inlines-hidden and setting hidden
23 visibility explicitly.
25 2006-07-12 Eric Christopher <echristo@apple.com>
27 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
28 (stmp-lipo): Depend on libgcc.a.
30 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
32 * tree.c: Fix a comment typo.
34 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
36 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
38 (umulhisi3_r): Likewise.
40 2006-07-12 Paolo Carlini <pcarlini@suse.de>
43 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
44 x < 19, vs wchar_t support.
46 2006-07-12 Nick Clifton <nickc@redhat.com>
48 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
51 2006-07-12 Mike Stump <mrs@apple.com>
54 * c-parser.c (c_parser_typeof_specifier): Don't use
55 c_finish_expr_stmt, open code desired semantics instead.
57 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
59 2006-07-10 Eric Christopher <echristo@apple.com>
61 * config/t-slibgcc-darwin: Rewrite.
63 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
66 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
69 2006-07-08 Matthias Klose <doko@debian.org>
71 * doc/sourcebuild.texi: Fix typo.
73 2006-07-07 Mike Stump <mrs@apple.com>
75 * toplev.c (process_options): Don't give -ffunction-sections may
76 affect debugging warning for Mach-O.
78 2006-07-07 James E Wilson <wilson@specifix.com>
80 * config/mips/mips.md (cpu): Add sb1a.
81 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
82 addition to sb1. Adjust comments to clarify SB-1A differences from
84 (ir_sb1a_load): New. Modify bypasses to use it.
85 (ir_sb1a_simple_alu): Likewise.
86 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
87 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
88 (mips_issue_rate): Add PROCESSOR_SB1A.
89 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
90 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
91 (TARGET_SB1): Add PROCESSOR_SB1A check.
94 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
95 * config/mips/mips.c (mips_store_data_bypass_p): New.
96 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
99 2006-07-08 Paul Brook <paul@codesourcery.com>
102 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
104 2006-07-07 Richard Guenther <rguenther@suse.de>
107 * tree.h (build_one_cst): Declare.
108 * tree.c (build_one_cst): New function.
109 * tree-ssa-math-opts.c (get_constant_one): Remove.
110 (insert_reciprocals): Use build_one_cst.
111 * fold-const.c (fold_plusminus_mult): Likewise.
113 2006-07-07 Roger Sayle <roger@eyesopen.com>
115 * pointer-set.c (pointer_set_destroy): Correct whitespace.
116 * cfgloopanal.c (dump_graph): Likewise.
117 * dojump.c (discard_pending_stack_adjust): Likewise.
118 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
120 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
121 * function.c (finalize_block_changes): Likewise.
122 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
123 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
124 * rtl.c (dump_rtx_statistics): Likewise.
125 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
127 * varray.c (dump_varray_statistics): Likewise.
128 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
129 decode_decimal64, encode_decimal128, decode_decimal128,
130 decimal_real_to_decimal): Likewise.
132 2006-07-07 Richard Guenther <rguenther@suse.de>
134 PR tree-optimization/28187
135 * tree-vrp.c (vrp_operand_equal_p): New function.
136 (vrp_bitmap_equal_p): Likewise.
137 (update_value_range): Use them to compare old and new
140 2006-07-06 Roger Sayle <roger@eyesopen.com>
142 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
143 a default case to switch statement to silence compiler warnings.
145 2006-07-06 Roger Sayle <roger@eyesopen.com>
148 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
149 the configured assembler supports the x87's ffreep mnemonic.
150 * configure: Regenerate.
151 * config.in: Regenerate.
153 * config/i386/i386.c (output_387_ffreep): New function.
154 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
155 (output_387_reg_move): Likewise.
157 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
159 Port to hosts whose 'sort' and 'tail' implementations
160 treat operands with leading '+' as file names, as POSIX
161 has required since 2001. However, make sure the code still
162 works on pre-POSIX hosts.
163 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
164 which says you should use "tail -c +N" rather than "tail +Nc".
165 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
167 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
169 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
172 2006-07-06 David Edelsohn <edelsohn@gnu.org>
175 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
176 PRE_{INC,DEC} of TFmode.
178 2006-07-06 David Edelsohn <edelsohn@gnu.org>
179 Alan Modra <amodra@bigpond.net.au>
182 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
185 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
188 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
189 Remove duplicate gtu.
191 2006-07-05 Jason Merrill <jason@redhat.com>
195 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
196 * c-common.c (handle_packed_attribute): So don't copy it here.
197 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
199 2006-07-05 Mike Stump <mrs@apple.com>
201 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
203 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
206 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
208 2006-07-05 Richard Guenther <rguenther@suse.de>
211 * config/i386/i386.md (*negdf2_1): Restrict pattern to
212 TARGET_SSE2 targets if using SSE math.
213 (*absdf2_1): Likewise.
215 2006-07-05 Richard Guenther <rguenther@suse.de>
217 PR tree-optimization/28162
218 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
219 make sure to convert the operands to the correct type.
221 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
223 PR tree-optimization/28218
225 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
226 to calculate and free the dominator information.
228 2006-07-04 Peter O'Gorman <peter@pogma.com>
230 * mklibgcc.in: chmod 644 before ranlib during install.
232 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
233 J"orn Rennecke <joern.rennecke@st.com>
235 * configure.ac (.eh_frame data check): Use diff -b.
237 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
240 * Makefile.in (BUILD_RTL): Add build/vec.o.
241 (build/gencondmd.o): Filter out -fkeep-inline-functions.
242 (build/genextract): Delete.
243 (build/genautomata): Likewise.
245 2006-07-04 Alan Modra <amodra@bigpond.net.au>
248 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
249 128-bit IBM long doubles for ABI_V4.
251 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
253 * tree.c (range_in_array_bounds_p): New predicate.
254 * tree.h (range_in_array_bounds_p): Declare it.
255 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
256 return a less conservative answer.
257 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
259 (IS_ELEMENT_FOR_GROUP): New macro.
260 (FOR_EACH_ACTUAL_CHILD): Likewise.
261 (next_child_for_group): New helper function.
262 (can_completely_scalarize_p): Take into account groups.
263 (sra_hash_tree): Handle RANGE_EXPR.
264 (sra_elt_eq): Likewise.
265 (lookup_element): Be prepared for handling groups.
266 (is_valid_const_index): Delete.
267 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
268 instead of is_valid_const_index.
269 <ARRAY_RANGE_REF>: New case.
270 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
271 is_valid_const_index.
272 <ARRAY_RANGE_REF>: Do not unconditionally punt.
273 (scan_dump): Dump info for groups too.
274 (decide_instantiation_1): Likewise.
275 (decide_block_copy): Assert that the element is not a group.
276 Propagate decision to groups.
277 (generate_one_element_ref): Handle RANGE_EXPR.
278 (mark_no_warning): Iterate over actual childs.
279 (generate_copy_inout): Likewise.
280 (generate_element_copy): Likewise.
281 (generate_element_zero): Likewise.
282 (generate_element_init_1): Likewise.
283 (dump_sra_elt_name): Handle RANGE_EXPR.
285 2006-07-03 Roger Sayle <roger@eyesopen.com>
287 PR tree-optimization/26251
288 * tree-ssa-threadupdate.c (redirection_block_p): New function.
289 (thread_block): When optimizing for size refuse to thread jumps
290 that would require duplication of blocks other than redirection
293 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
295 * configure.ac: Fix thinko in previous check-in.
296 * configure: Regenerate.
298 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
301 * configure.ac (for lang...): Simplify nesting of conditionals.
302 Test subdir_requires for non-enabled languages. Move processing
303 of lang_opt_files and lang_tree_fiels below that test.
304 * configure: Regenerate.
305 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
307 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
309 * doc/gcov.texi (Invoking Gcov): Add a missing word.
311 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
313 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
316 2006-06-29 Jason Merrill <jason@redhat.com>
323 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
324 * c-common.c (c_determine_visibility): Handle it here.
325 * c-decl.c (finish_decl): Call c_determine_visibility for
327 * flags.h (enum symbol_visibility): Sort from most to least visibility.
329 * varasm.c (default_assemble_visibility): Likewise.
330 * c-common.c (handle_visibility_attribute): Complain about trying
331 to give visibility to an already defined class, or trying to change
332 declared visibility. Always attach the attribute.
337 * attribs.c (decl_attributes): Ignore type-in-place attributes
338 once the type has been defined.
340 2006-06-29 Roger Sayle <roger@eyesopen.com>
343 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
344 to indicate the cpplib has issued an error message for us.
346 2006-06-29 Asher Langton <langton2@llnl.gov>
349 * config/i386/i386.c (ix86_output_function_epilogue): Don't
350 insert a label at the end of an function under Mach-O.
352 2006-06-29 Eric Christopher <echristo@apple.com>
353 Evan Cheng <evan.cheng@apple.com>
355 * predicates.md (vector_all_ones_operand): New.
356 (nonimmediate_or_sse_const_operand): Ditto.
357 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
358 * config/i386/i386.c (standard_sse_constant_opcode): Define.
359 (standard_sse_mode_p): Ditto.
360 (standard_sse_constant_p): Add case for -1 vector.
361 (ix86_expand_vector_move): Try to use.
362 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
363 Call standard_sse_constant_opcode.
364 (*movv4sf_internal): Ditto.
365 (*movv2df_internal): Ditto.
367 2006-06-29 Roger Sayle <roger@eyesopen.com>
369 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
370 of XEXP to extract the operands of a MATCH_CODE rtx.
372 2006-06-28 Andrew Pinski <pinskia@gmail.com>
374 * tree.c (tree_size): Do not waste tail padding in
375 struct tree_string and make the size be the same as
376 build_string will generate.
378 2006-06-28 Jason Merrill <jason@redhat.com>
381 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
382 may_aliases already in the tag's annotations to the bitmap.
384 2006-06-28 Roger Sayle <roger@eyesopen.com>
386 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
388 2006-06-28 Roger Sayle <roger@eyesopen.com>
390 * genpreds.c (generate_switch_p): New function.
391 (add_mode_tests): Push the new mode test down inside an AND expr
392 if this allows the switch-suitable MATCH_CODE to be near the root.
393 (write_match_code_switch): New function to write a MATCH_CODE as
395 (write_predicate_stmts): New function to write a predicate RTX
396 expression as a sequence of statements.
397 (write_one_predicate_function): Use write_predicate_stmts.
398 (write_tm_constrs_h): Likewise.
400 2006-06-26 Fred Fish <fnf@specifix.com>
402 * config/mips/t-sb1: New file.
403 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
406 2006-06-26 DJ Delorie <dj@redhat.com>
408 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
410 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
411 Jayant Sonar <jayants@kpitcummins.com>
412 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
414 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
415 (subsi3, subsi3_1, subsi3_2): New.
416 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
417 * config/m32c/mov.md (SI mov peephole): New.
418 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
419 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
421 2006-06-26 Olivier Hainque <hainque@adacore.com>
423 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
424 a CALL_EXPR target function declaration.
426 2006-06-26 Richard Guenther <rguenther@suse.de>
428 * tree.c (build_string): Do not waste tail padding in
431 2006-06-26 Richard Guenther <rguenther@suse.de>
433 * ggc-page.c (init_ggc): Add missing element to size_lookup
437 2006-06-23 Richard Guenther <rguenther@suse.de>
439 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
440 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
441 alignment requests instead. Add verification code.
442 Add struct tree_function_decl and struct tree_binfo size to
443 extra_order_size_table. Add missing element to size_lookup
446 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
449 * fold-const.c (const_binop): Be prepared for self returning zero.
450 Simplify code handling complex values.
452 2006-06-24 Olivier Hainque <hainque@adacore.com>
454 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
455 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
458 2006-06-24 Olivier Hainque <hainque@adacore.com>
460 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
461 ARRAY_REF, so have the callback called for the low bound expression.
463 2006-06-23 Janis Johnson <janis187@us.ibm.com>
465 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
466 * c-typeck.c (c_common_type): Disallow operations on decimal float
467 types and other float types.
468 * convert.c (convert_to_real): Don't ignore conversions involving
471 2006-06-23 Olivier Hainque <hainque@adacore.com>
473 * tree.c (max_int_size_in_bytes): New function, inspired from
474 code in function.c:assign_temp.
475 * tree.h (max_int_size_in_bytes): Declare.
476 * function.c (assign_temp): Use it.
477 * gimplify.c (create_tmp_var): Relax the assertions on the type
478 properties, not mandating constant size any more.
479 (force_constant_size): New static function.
480 (gimple_add_tmp_var): Use it, forcing variable size to a
481 constant upper bound if it is not constant on entry.
483 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
486 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
487 for initialization and setting of one_only flag to ...
488 (i386_pe_encode_section_info): ...here.
489 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
490 Recheck that the symbol has not been defined.
492 2006-06-23 Richard Guenther <rguenther@suse.de>
494 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
495 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
496 alignment requests instead. Add verification code.
497 Add struct tree_function_decl and struct tree_binfo size to
498 extra_order_size_table. Add missing element to size_lookup
501 2006-06-22 Roger Sayle <roger@eyesopen.com>
502 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
505 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
506 call to lang_hooks.types.type_for_mode returned NULL_TREE.
508 2006-06-23 Ben Elliston <bje@au.ibm.com>
510 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
511 negate dn -- manipulate it directly.
513 2006-06-22 Roger Sayle <roger@eyesopen.com>
514 Steven Bosscher <stevenb.gcc@gmail.com>
517 * reload1.c (gen_reload): Call mark_jump_label on the new insns
518 generated by gen_move_insn to add REG_LABEL notes if necessary.
520 2006-06-22 Bob Wilson <bob.wilson@acm.org>
522 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
523 (leaf_entry): Remove use of MIN_ESA.
525 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
527 PR rtl-optimization/28121
528 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
531 2006-06-21 DJ Delorie <dj@redhat.com>
533 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
535 (mulhisi3_r): Likewise.
537 2006-06-21 Richard Sandiford <richard@codesourcery.com>
540 * coverage.c (coverage_counter_alloc): Leave the index type
542 (coverage_counter_alloc): Use null arguments for operands 2 and 3
545 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
547 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
548 section from the "Options for Code Generation Conventions".
550 2006-06-21 Richard Henderson <rth@redhat.com>
554 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
556 (global_symbolic_operand): Allow weak symbols, even if local_p.
558 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
560 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
561 (find_interesting_uses_address): Punt if above function returns true.
563 2006-06-21 Richard Guenther <rguenther@suse.de>
565 * configure: Regenerated.
567 2006-06-21 Joseph Myers <joseph@codesourcery.com>
569 * config/mips/mips.c (function_arg): Where one part of a
570 complex argument is in registers and the other part in the stack,
571 return a REG not a PARALLEL.
573 2006-06-21 Mark Mitchell <mark@codesourcery.com>
575 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
576 when cross-compiling. Do not substitute libstdcxx_incdir.
577 * configure: Regenerated.
579 2006-06-21 Jakub Jelinek <jakub@redhat.com>
581 * varasm.c (mergeable_string_section): Check for embedded NULs and
582 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
583 rather than TREE_STRING_LENGTH bytes.
585 2006-06-21 Richard Guenther <rguenther@suse.de>
587 * ggc-page.c (extra_order_size_table): Add var_ann_d,
588 tree_ssa_name, bitmap_element and phi_node with 4 arguments
591 2006-06-21 Richrad Guenther <rguenther@suse.de>
593 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
594 Limit iteration over the dominators.
596 2006-06-20 Roger Sayle <roger@eyesopen.com>
598 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
599 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
601 2006-06-20 Richard Guenther <rguenther@suse.de>
602 Michael Matz <matz@suse.de>
604 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
606 * alloc-pool.c (free_alloc_pool_if_empty): New function.
607 * et-forest.h (et_free_pools): Prototype new function.
608 * et-forest.c (et_free_tree_force): Free parent occurrence.
609 (et_free_pools): New function.
610 * dominance.c (free_dominance_info): Free et-forest alloc
613 2006-06-20 Roger Sayle <roger@eyesopen.com>
615 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
616 integer modes, attempt to directly construct an integer constant.
618 * fold-const.c (native_encode_vector): Determine the size of each
619 element from the vector type instead of the first vector element.
621 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
622 if all of its elements/components are constant.
623 (build_constructor_from_list): Likewise.
625 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
627 PR tree-optimization/27331
628 * tree-data-ref.c (free_data_ref): New function.
629 (create_data_ref): Fail if the data reference has unknown access
631 (free_data_refs): Use free_data_ref.
633 2006-06-19 Andrew Pinski <pinskia@gmail.com>
636 * tree-inline.c (setup_one_parameter): Strip useless
637 type conversion before adding it to the IR.
638 (declare_return_variable): Likewise.
640 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
643 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
645 2006-06-19 Mike Stump <mrs@apple.com>
647 * tree.c (variably_modified_type_p): VM arguments don't make the
650 2006-06-19 Richard Guenther <rguenther@suse.de>
652 * tree-ssa-pre.c (try_combine_conversion): Strip useless
653 type conversions after folding.
655 2006-06-19 Richard Guenther <rguenther@suse.de>
657 * ggc-page.c (extra_order_size_tab): Add entries with
658 size of struct function and basic_block.
659 (size_lookup): Extend to cover sizes up to 511.
660 (ggc_alloc_stat): Adjust user.
661 (ggc_pch_count_object): Likewise.
662 (ggc_pch_alloc_object): Likewise.
663 (ggc_pch_write_object): Likewise.
665 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
667 * tree-ssa-loop-niter.c (implies_ge_p): New function.
668 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
671 2006-06-19 Denis Chertykov <denisc@overta.ru>
673 * config/avr/libgcc.S : Correct my wrong previous commit.
675 2006-06-19 Roger Sayle <roger@eyesopen.com>
678 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
679 have stripped a SUBREG from the shift count, so we may need to
680 convert_to_mode back to the type's mode before calling make_tree.
681 Use new_amount instead of amount to avoid expanding a tree twice.
683 2006-06-19 Richard Guenther <rguenther@suse.de>
686 * fold-const.c (operand_equal_p): Check if the argument types
687 have the same precision before stripping NOPs.
689 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
691 Fix PR tree-optimization/27341
692 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
694 * tree-complex.c (pass_lower_complex): Update SMT usage.
696 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
698 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
699 Add a new alternative to the constraint strings. Add move of
700 operand 1 to 3 to the splitter definition.
701 ("doloop_si_long"): Second contraint alternative removed.
703 2006-06-08 Anatoly Sokolov <aesok@post.ru>
705 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
706 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
708 (AVR_HAVE_MOVW) Define.
709 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
710 (ASM_SPEC): Add avr25.
711 (LINK_SPEC): Add avr25.
712 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
713 (base_arch_s): Add new member 'have_movw_lpmx'.
714 (avr_arch_types): Init 'have_movw_lpmx'.
715 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
716 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
717 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
718 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
719 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
721 (avr_file_start): Do not output '.arh' derective.
722 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
723 (__do_copy_data): Use __AVR_HAVE_LPMX__.
724 * config/avr/avr.md (mcu_enhanced): Delete.
725 (mcu_have_movw): Define.
726 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
727 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
728 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
729 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
730 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
731 attiny861 and at86rf401 devices.
733 2006-06-18 Jie Zhang <jie.zhang@analog.com>
735 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
738 2006-06-17 Karl Berry <karl@gnu.org>
740 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
741 doc/gccint.texi, doc/install.texi (@dircategory): Use
742 "Software development" instead of "Programming", following
743 the Free Software Directory.
745 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
747 * config/i386/i386.c (legitimate_tls_address)
748 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
749 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
750 (*tls_dynamic_gnu2_combine_64): Likewise.
752 2006-06-16 Richard Guenther <rguenther@suse.de>
755 * fold-const.c (negate_expr_p): Do not introduce undefined
756 overflow in negating INTEGER_CSTs.
757 (fold_negate_expr): Rename from negate_expr. Revert last
758 change for folding BIT_NOT_EXPR. Change semantics to
759 return NULL_TREE for non-simplified negations. Do not
760 strip type conversions and unify type handling.
761 (negate_expr): New function, wrap around fold_negate_expr
762 but ensure building a tree always. Strip type conversions
763 here, fold to result type.
764 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
766 2006-06-16 Roger Sayle <roger@eyesopen.com>
769 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
770 that (would) return their results in stack registers.
772 2006-06-16 Michael Matz <matz@suse.de>
773 Richard Guenther <rguenther@suse.de>
775 * fold-const.c (fold_truthop): Only return new tree node if
776 we canonicalized something.
778 2006-06-16 Richard Guenther <rguenther@suse.de>
780 * function.h (enum function_frequency): Move declaration
781 out of struct function.
782 (struct function): Move bool fields and the enum to the bitfield
783 section. Reorder elements to avoid padding. Remove unused
784 fields left over from the RTL inliner removal.
785 * function.c (free_after_compilation): Do not zero removed fields.
786 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
787 (ipa-type-escape.o): Likewise.
789 2006-06-16 Richard Guenther <rguenther@suse.de>
791 * cgraph.h (struct cgraph_local_info): Turn bool elements
793 (struct cgraph_node): Likewise.
794 (struct cgraph_varpool_node): Likewise.
796 2006-06-15 Richard Guenther <rguenther@suse.de>
798 * fold-const.c (fold_truth_not_expr): Rename from
799 invert_truthvalue. Give it fold_* semantics to avoid
801 (invert_truthvalue): New function. Wrapper around
803 (optimize_minmax_comparison): Avoid creating garbage.
804 (fold_unary): Use fold_truth_not_expr for folding
806 (fold_ternary): Replace uses of invert_truthvalue with
807 fold_truth_not_expr where applicable.
808 * tree.h (fold_truth_not_expr): Prototype.
810 2006-06-16 Richard Guenther <rguenther@suse.de>
812 PR tree-optimization/27781
813 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
814 * ipa-pure-const.c (target.h): Include.
815 (analyze_function): Do not analyze functions that do not
818 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
821 * tree-dfa.c (referenced_vars_dup_list): Remove.
822 (find_referenced_vars): Remove assert.
823 (referenced_var_check_and_insert): Replace dup list with assert.
824 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
825 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
827 2006-06-15 Richard Guenther <rguenther@suse.de>
829 * tree-ssa-structalias.c (alias_get_name): Avoid creating
830 extra unused identifiers if not dumping.
831 (create_variable_info_for): Likewise.
833 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
835 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
836 (derive_constant_upper_bound): Derive more precise upper bound in
837 common cases. Return type changed to double_int.
838 (record_estimate): Reflect the changed return type of
839 derive_constant_upper_bound.
840 * double-int.c (double_int_zext, double_int_sext): Fix.
842 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
844 * configure.ac (CFLAGS): Get them from the toplevel or from the
845 configure invocation.
846 * configure: Regenerate.
847 * Makefile.in (CFLAGS): Substitute value provided by configure.
849 2006-06-14 Mark Mitchell <mark@codesourcery.com>
852 * c-common.h (c_finish_omp_atomic): Adjust declaration.
853 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
854 rather than calling add_stmt on it.
855 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
857 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
860 * reload1.c (reload): Remove registers returned by update_eliminables
861 from used_spill_regs.
863 2006-06-13 DJ Delorie <dj@redhat.com>
865 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
867 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
869 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
870 html__strip_dir, html__mkdir_p. Enhance install-html target.
871 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
872 * configure: Regenerate.
874 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
876 * fold-const.c (fold_cond_expr_with_comparison): Check for
877 Objective-C++ as language in deciding COND_EXPR transformation.
879 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
882 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
883 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
884 * config/sh/lib1funcs.h (SL, SL1): Define.
885 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
886 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
887 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
888 (OBJS_Os_4_200): New variable.
889 ($(T)libgcc-Os-4-200.a): Use it.
890 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
891 when dividing 1 and/or by 0.
893 2006-06-13 Roger Sayle <roger@eyesopen.com>
895 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
896 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
897 * configure: Regenerate.
899 2006-06-13 Jie Zhang <jie.zhang@analog.com>
901 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
902 for real instruction.
904 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
907 * haifa-sched.c (check_cfg): Handle special case.
909 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
912 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
913 Add debug_info parameter. Chain the vars to the BLOCK instead
914 of the BIND_EXPR if debug info are requested for them.
915 (pop_gimplify_context): Adjust for above change.
916 (gimple_add_tmp_var): Likewise.
917 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
919 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
920 (convert_local_reference): Likewise.
921 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
922 (finalize_nesting_tree_1): Request that debug info be emitted
925 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
927 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
930 2006-06-13 Richard Guenther <rguenther@suse.de>
933 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
935 2006-06-13 Richard Guenther <rguenther@suse.de>
937 PR tree-optimization/27830
938 * tree-inline.c (copy_body_r): For copying the operand
939 of an ADDR_EXPR make sure to fold &* afterwards.
941 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
943 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
944 lvalues in the fb_none case with side-effects.
946 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
948 * tree-flow.h: Remove the prototype for
949 compute_phi_arg_on_exit.
950 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
951 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
954 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
956 * builtins.c (expand_builtin_return_addr): Only use
957 frame_pointer_rtx when count == 0 and we are expanding
958 __builtin_return_address.
960 2006-06-12 Fred Fish <fnf@specifix.com>
962 * config/mips/mips.c (mips_file_start): Create special section
963 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
965 2006-06-11 Eric Christopher <echristo@apple.com>
968 * stor-layout.c (place_field): Remove check for
969 remaining_in_alignment when aligning at the end of a run.
971 2006-06-11 Eric Christopher <echristo@apple.com>
974 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
977 2006-06-11 Roger Sayle <roger@eyesopen.com>
980 Revert incorrect fix for PR target/27158
981 2006-05-08 Roger Sayle <roger@eyesopen.com>
982 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
983 of a reg_equiv_constant if the result is a legitimate constant.
985 2006-06-11 Roger Sayle <roger@eyesopen.com>
988 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
989 extract a CONST_VECTOR element and interpret it as an integer.
990 (vspltis_constant): Use const_vector_elt_as_int instead of the
991 macro CONST_VECTOR_ELT in order to handle FP vector modes.
992 * config/rs6000/predicates.md (easy_vector_const): Consider
993 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
995 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
998 * stor-layout.c (update_alignment_for_field): Don't add extra
999 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1002 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1004 * config/mips/t-rtems: Add EL/EB multilib variants.
1006 2006-06-09 Mike Stump <mrs@apple.com>
1008 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1010 2006-06-09 David Daney <ddaney@avtrex.com>
1012 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1014 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1016 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1018 2006-06-09 Richard Guenther <rguenther@suse.de>
1020 PR tree-optimization/26998
1021 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1022 of signed types, only TYPE_MIN_VALUE is special, but for both,
1023 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1024 in this case, as is -fwrapv.
1026 2006-06-08 Mike Stump <mrs@apple.com>
1029 * config/darwin.c (darwin_asm_output_anchor): Disable
1030 -fsection-anchors on darwin for now.
1031 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1032 * rs6000/rs6000.c (optimization_options): Likewise.
1034 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1037 * config/i386/i386.c (classify_argument): Skip fields with invalid
1040 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1042 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1043 (cse_insn): Likewise for the stack_pointer_rtx.
1045 2006-06-08 Roger Sayle <roger@eyesopen.com>
1047 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1048 conditions from floating point comparisons.
1050 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1053 * expmed.c (struct alg_hash_entry): Fix type of field T
1054 to match synth_mult argument.
1055 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1057 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1060 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1063 2006-06-08 Richard Guenther <rguenther@suse.de>
1066 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1067 only, if overflow is defined and not trapping.
1068 (negate_expr): Likewise.
1070 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1072 PR tree-optimization/27872
1073 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1074 flag on the new exit edge of the unrolled loop.
1076 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1078 PR rtl-optimization/26449
1079 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1081 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1084 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1085 referenced_variables with matching DECL_UID's.
1086 (find_referenced_vars): Make sure duplicate list is empty to start.
1087 (referenced_var_p): Remove.
1088 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1089 Check if var is in the list, and add if needed. Update the duplicate
1090 list if a different var is in the list with the same DECL_UID.
1091 (add_referenced_var): Call routine to check and insert.
1092 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1093 * tree-flow.h (referenced_vars_dup_list): External declaration.
1095 2006-06-07 Fred Fish <fnf@specifix.com>
1097 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1100 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1103 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1104 the imaginary and real parts of a clobbered register.
1105 Emit insn to set the imaginary part.
1107 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1109 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1110 in lieu of unwind-dw2-fde.c.
1112 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1114 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1116 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1119 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1120 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1121 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1122 V4SImode temporaries and operations instead.
1124 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1126 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1129 2006-06-06 Mike Stump <mrs@apple.com>
1131 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1132 installing during build.
1134 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1136 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1138 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1139 * config/ia64/ia64.c (params.h): New header.
1140 (ia64_optimization_options): New function to adjust parameters.
1141 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1142 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1143 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1145 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1147 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1149 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1152 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1154 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1155 Victor Kaplansky <victork@il.ibm.com>
1157 PR tree-optimization/26360
1158 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1161 2006-06-04 Roger Sayle <roger@eyesopen.com>
1162 Andrew Pinski <pinskia@physics.uc.edu>
1165 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1166 for LABEL_DECL before calling DECL_WEAK.
1169 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1170 LABEL_DECL and PARM_DECL.
1172 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1176 * c-decl.c (grokdeclarator): Disallow variably modified types at
1177 file scope. Avoid marking shared array type of constant size as
1180 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1183 * c-common.c (fold_offsetof_1): Handle static members.
1185 2006-06-04 Eric Christopher <echristo@apple.com>
1187 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1188 (debug_rli): Output value for remaining_in_alignment.
1189 (update_alignment_for_field): Unconditionalize
1190 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1191 extra alignment code.
1192 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1193 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1194 * tree.h (record_layout_info_s): Remove prev_packed.
1195 * doc/extend.texi (ms_struct): Add documentation of format.
1197 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1199 * tree.h: Declare folding_initializer.
1200 * builtins.c (fold_builtin_constant_p): Give definite answer
1201 if folding inside an initializer.
1202 * fold-const.c: Define folding_initializer.
1203 (START_FOLD_INIT): Save and then set folding_initializer.
1204 (END_FOLD_INIT): Restore folding_initializer.
1206 2006-06-04 Richard Guenther <rguenther@suse.de>
1208 PR tree-optimization/27039
1209 * fold-const.c (fold_comparison): Handle pointer comparison
1210 again for all comparison codes. Compare offsets in signed
1212 (fold_binary): Move code from here.
1214 2006-06-03 Roger Sayle <roger@eyesopen.com>
1217 * config/i386/i386.c (construct_container): Split static issued_error
1218 flag into issued_sse_arg_error, issued_sse_ret_error and
1219 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1220 requires the use of x87 registers and the user explicitly
1221 specified the -mno-80387 command line option.
1223 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1225 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1226 HAVE_DECL_SIGALTSTACK.
1228 (segv_handler): Use MC_FLD.
1229 * configure.ac: Check for a sigaltstack declaration.
1230 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1231 * configure: Regenerate.
1232 * config.in: Regenerate.
1234 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1237 * Makefile.in (stmp-fixinc): Fix typo.
1239 2006-06-02 Roger Sayle <roger@eyesopen.com>
1241 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1242 are type correct. Clean-up.
1243 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1244 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1246 2006-06-01 DJ Delorie <dj@redhat.com>
1248 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1249 shift, as we've disabled the "switch" insn that needs it.
1251 2006-06-01 Per Bothner <bothner@bothner.com>
1253 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1254 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1255 * c-ppoutput.c (cb_define): Don't increment line 0.
1257 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1259 * doc/invoke.texi: Add cpu_type power6.
1260 * config.gcc: Add cpu_type power6.
1261 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1262 to power5+ with Altivec.
1263 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1264 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1266 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1268 * config/avr/avr.h (SET_ASM_OP): Define.
1270 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1272 * config/bfin/bfin.c: Fix comment typos.
1274 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1277 * doc/install.texi: Document --enable-bootstrap and
1278 --disable-bootstrap.
1280 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1282 * doc/install.texi: Document that InfoZIP can replace jar.
1284 2006-05-31 Roger Sayle <roger@eyesopen.com>
1286 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1287 isn't available, directly generate the simpler x87 patterns without
1288 the (use (const_int 0)).
1289 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1290 implementation isn't available.
1291 (*negdf2_1): Likewise.
1292 (*negxf2_1): XF mode negation is always done using the x87.
1293 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1295 2006-05-31 Roger Sayle <roger@eyesopen.com>
1297 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1298 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1300 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1302 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1304 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1305 * config/bfin/bfin.c (basic-block.h): Include.
1306 (struct machine_function): New.
1307 (bfin_init_machine_status): New.
1308 (override_options): Initialize init_machine_status.
1309 (bfin_hardware_loop): New.
1310 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1311 (DEF_VEC_P (loop_info)): New.
1312 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1313 (struct loop_info): New.
1314 (loop_info): New typedef.
1315 (struct loop_work): New.
1316 (loop_work): New typedef.
1317 (DEF_VEC_O (loop_work)): New.
1318 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1319 (bfin_dump_loops): New.
1320 (bfin_bb_in_loop): New.
1321 (bfin_scan_loop): New.
1322 (bfin_optimize_loop): New.
1323 (bfin_reorg_loops): New.
1324 (bfin_reorg): Use bfin_reorg_loops.
1325 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1327 (I_REGNO_P): Simplify.
1328 (DP_REGNO_P, DPREG_P): New macros.
1329 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1330 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1331 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1332 Add LT_REGS, LC_REGS, LB_REGS.
1333 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1335 (REGNO_REG_CLASS): Deal with loop registers.
1336 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1338 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1339 New constants for loop registers.
1340 (UNSPEC_LSETUP_END): New.
1341 (seq_insns): New define_attr. Set it for appropriate insns.
1342 (movsi_insn): Add alternatives for move from/to
1343 loop count registers.
1344 (doloop_end): New define_expand.
1345 (loop_end): New define_insn.
1346 (define_split for bad doloop_end): New.
1347 (lsetup_with_autoinit): New define_insn.
1348 (lsetup_without_autoinit): New define_insn.
1349 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1350 * config/bfin/predicates.md (lc_register_operand): New.
1351 (lt_register_operand): New.
1352 (lb_register_operand): New.
1353 (nondp_register_operand): New.
1354 (nondp_reg_or_memory_operand): New.
1355 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1357 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1359 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1360 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1362 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1364 * Makefile.in (CATALOGS): Add po/ prefix.
1365 * configure: Regenerated.
1367 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1370 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1371 a shift operand before calling shift_op. Avoid redundant call of
1374 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1375 DJ Delorie <dj@redhat.com>
1377 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1378 we're inserting is a singlt-bit constant.
1380 2006-05-30 Roger Sayle <roger@eyesopen.com>
1382 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1383 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1385 2006-05-30 Roger Sayle <roger@eyesopen.com>
1387 PR tree-optimization/23452
1388 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1389 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1390 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1391 complex values and with -ffast-math for FP complex values.
1393 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1395 * c-common.h: Remove the prototype for yyparse.
1396 * rtl.h: Remove the prototype for init_loop.
1398 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1400 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1403 2006-05-30 Roger Sayle <roger@eyesopen.com>
1405 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1407 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1408 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1410 2006-05-30 Dirk Mueller <dmueller@suse.de>
1413 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1414 for CONSTANT_CLASS_P expresisons.
1416 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1419 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1421 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1423 PR tree-optimization/27779
1424 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1425 initial_condition instead of CHREC_LEFT.
1427 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1429 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1430 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1431 Make prototypes ISO C90.
1433 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1434 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1436 * see.c (see_analyze_one_def): Correct check.
1437 (see_get_extension_data): Check if extension is parallel.
1438 (see_get_extension_reg): Likewise.
1440 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1443 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1444 into register for (code == GTU).
1446 2006-05-29 Roger Sayle <roger@eyesopen.com>
1448 PR tree-optimization/24964
1449 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1450 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1451 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1452 abs(x)*abs(x) as x*x for scalar floating point modes.
1454 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1457 * lambda-code.c (perfect_nestify): Don't copy statements
1458 in the inner loop: move them to the inner loop header.
1460 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1463 * c-tree.texi: Document OpenMP directives and clauses.
1465 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1467 * varasm.c (globalize_decl): Fix indentation.
1469 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1472 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1473 pass_fre, pass_store_ccp, pass_copy_prop,
1474 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1475 pass_return_slot, pass_object_size, pass_lim,
1476 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1477 pass_loop_prefetch and pass_stdarg.
1479 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1481 * config/bfin/bfin.opt (mfdpic): New option.
1482 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1483 (EXTRA_MULTILIB_PARTS): Likewise.
1484 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1485 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1487 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1488 (CRT_CALL_STATIC_FUNCTION): New.
1489 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1491 (CRT_CALL_STATIC_FUNCTION): New.
1492 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1494 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1495 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1496 (initialize_trampoline): Changed to handle FD-PIC code generation.
1497 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1498 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1499 (override_options): Disallow -mid-shared-library -mfdpic combination.
1500 Can't do unaligned ops if FD-PIC.
1501 Turn off flag_pic if trying to generate non-id-shared-library
1502 non-fdpic code, since it's not supported.
1503 (bfin_assemble_integer): New function.
1504 (TARGET_ASM_INTEGER): Define.
1505 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1507 * config/bfin/crtn.s: Restore them.
1508 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1510 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1511 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1512 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1513 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1514 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1516 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1517 FDPIC_REGS and FDPIC_FPTR_REGS.
1518 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1519 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1520 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1521 (load_funcdescsi): New pattern.
1522 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1523 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1524 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1526 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1528 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1531 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1533 * tree-flow.h: Remove the prototype for add_type_alias.
1534 * tree-ssa-alias.c (add_type_alias): Remove.
1536 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1538 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1539 config/fr30/fr30.md, config/i386/i386-interix.h,
1540 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1541 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1542 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1543 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1544 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1545 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1546 Follow spelling conventions.
1547 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1548 Follow spelling conventions.
1550 2006-05-27 Richard Guenther <rguenther@suse.de>
1553 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1554 to produce a constant of value 1 of generic type.
1556 2006-05-27 Dirk Mueller <dmueller@suse.de>
1558 * cgraphunit.c (decide_is_function_needed): Fix wrong
1561 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1563 PR rtl-optimization/27661
1564 * reload.c (find_reloads): When reloading a VOIDmode constant
1565 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1566 use Pmode as mode of the reload register.
1568 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1570 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1571 is enabled at -O and above.
1573 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1576 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1579 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1582 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1583 for anonymous variables explicitly declared by front ends.
1585 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1587 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1588 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1589 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1590 ref-all pointers, run a finalization pass for them.
1591 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1592 (finalize_ref_all_pointers): New function.
1593 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1594 regular pointer type to a ref-all pointer type.
1595 (get_tmt_for): Return the special memory tag for ref-all pointers.
1597 2006-05-25 Richard Guenther <rguenther@suse.de>
1600 * fold-const.c (fold_binary): Do not look at the stripped
1601 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1603 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1605 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1606 for LT and GT if the computed range is effectively empty.
1608 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1611 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1612 mips_quad_format formats instead of ieee_single_format,
1613 ieee_double_format and ieee_quad_format formats, respectively.
1615 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1617 PR tree-optimization/27639
1618 PR tree-optimization/26719
1619 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1620 call to scev_probably_wraps_p.
1621 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1622 used_in_pointer_arithmetic_p, convert_step): Removed.
1623 (nowrap_type_p): New function.
1624 (scev_probably_wraps_p): Rewritten.
1625 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1626 chrec_convert if chrec_convert_aggressive might have been used.
1627 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1628 scev_direction): New functions.
1629 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1630 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1631 instead of convert_step.
1632 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1633 (convert_step): Declaration removed.
1634 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1636 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1638 * df-core.c: Added to header comments.
1639 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1640 df_ur_bb_info, df_urec_bb_info): Added comments.
1641 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1642 urec, ri problems): Fixed header comments.
1643 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1644 code from df_rd_transfer_function.
1646 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1648 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1649 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1650 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1652 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1654 * expr.c (undefined_operand_subword_p): New.
1655 (emit_move_multi_word): Do not generate move from undefined bits
1656 of a paradoxical subreg.
1658 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1660 PR rtl-optimization/27736
1661 * combine.c (replaced_rhs_value): New variable.
1662 (combine_instructions): Set it.
1663 (distribute_notes): When distributing a note in replaced_rhs_insn,
1664 check whether the value was used in replaced_rhs_value.
1666 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1669 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1670 add_referenced_var instead of add_referenced_tmp_var.
1671 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1672 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1674 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1675 tree_optimize_tail_calls_1): Use add_referenced_var.
1676 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1677 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1678 Use add_referenced_var.
1679 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1680 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1681 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1682 Use add_referenced_var.
1683 * tree-dfa.c (struct walk_state): Remove.
1684 (find_referenced_vars): Remove walk state and vars_found hash table.
1685 (make_rename_temp): Use add_referenced_var.
1686 (find_vars_r): Pass less parameters to add_referenced_var.
1687 (referenced_var_p): New. Is var in referenced_var hash table.
1688 (referenced_var_insert): Assert var isn't already in hash table.
1689 (add_referenced_var): Don't need walk_state parameter. Add var if it
1690 isn't already in the hash table.
1691 (add_referenced_tmp_var): Remove.
1692 (find_new_referenced_vars_1): Use add_referenced_var.
1693 * tree-ssa-pre.c (create_expression_by_pieces,
1694 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1695 Use add_referenced_var.
1696 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1697 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1698 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1700 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1701 vect_create_data_ref_ptr, vect_create_destination_var,
1702 vect_init_vector, vect_build_loop_niters,
1703 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1704 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1705 Use add_referenced_var.
1706 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1707 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1708 (add_referenced_var): Add prototype.
1709 * tree-ssa-structalias.c (get_constraint_for,
1710 intra_create_variable_infos): Use add_referenced_var.
1712 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1714 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1715 big-endian paradoxical subregs.
1716 * var-tracking.c (struct micro_operation_def): Document that,
1717 for modify micro operations, insn is the subsequent instruction.
1718 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1719 (var_reg_set, var_mem_set): ... new functions.
1720 (add_stores): Record subsequent insn.
1721 (compute_bb_dataflow): Use new functions for MO_USE.
1722 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1723 notes after the insn, and modify notes before the insn known
1724 to be the subsequent one.
1725 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1727 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1730 * config/i386/i386.c (ix86_expand_builtin): Use
1731 gen_sse3_monitor64 for TARGET_64BIT.
1733 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1735 PR rtl-optimization/26375
1736 PR rtl-optimization/26855
1737 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1739 (df_ru_bb_local_compute): Reversed statements and removed bogus
1740 comment explaining why they should be in wrong order.
1741 (df_ru_dump, df_rd_dump): Enhanced debug info.
1742 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1744 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1745 reaching uses and fixed space problem.
1747 2006-05-23 Jan Hubicka <jh@suse.cz>
1749 * cgraphunit.c (decide_is_function_needed): Also nested functions
1750 and functions declared inline can be optimized out at -O0.
1752 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1754 * doc/install.texi (Configuration): Remove reference to CrossGCC
1758 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1761 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1762 ix86_compare_emitted is non-NULL.
1764 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1767 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1770 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1772 PR rtl-optimization/25514
1773 * combine.c (replaced_rhs_insn): New variable.
1774 (combine_instructions): Set replaced_rhs_insn when trying to replace
1775 a SET_SRC with a REG_EQUAL note.
1776 (distribute_notes): Use replaced_rhs_insn when determining the live
1777 range of a REG_DEAD register.
1779 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1780 Anatoly Sokolov <aesok@post.ru>
1782 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1783 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1784 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1785 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1786 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1787 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1788 at90usb647, at90usb1286 and at90usb1287 devices.
1789 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1790 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1792 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1794 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1796 2006-05-22 Richard Guenther <rguenther@suse.de>
1799 2006-01-31 Richard Guenther <rguenther@suse.de>
1800 Paolo Bonzini <bonzini@gnu.org>
1802 * doc/install.texi (--disable-libgcc-math): Document.
1804 2006-05-22 Richard Guenther <rguenther@suse.de>
1807 2006-01-31 Richard Guenther <rguenther@suse.de>
1809 * doc/invoke.texi (-msselibm): Document.
1810 * target.h (expand_library_builtin): New target hook.
1811 * builtins.c (expand_builtin): Use expand_library_builtin.
1812 (default_expand_library_builtin): New function.
1813 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1814 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1815 (link_gcc_math_spec): Declare.
1816 (static_specs): Add link_gcc_math_spec.
1817 * expr.h (default_expand_library_builtin): Declare.
1818 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1819 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1820 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1821 * config/i386/i386.opt (msselibm): New target option.
1822 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1823 (ix86_init_sse_abi_builtins): New function.
1824 (ix86_expand_library_builtin): Likewise.
1825 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1826 (override_options): Handle error conditions wrt -msselibm.
1827 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1828 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1829 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1832 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1835 * c-common.c (self_promoting_args_p): Skip erroneous args.
1838 * c-decl.c (finish_struct): Skip erroneous fields.
1840 2006-05-22 Nick Clifton <nickc@redhat.com>
1842 * config/cris/cris.opt (march): Remove VarExists attribute.
1843 (max-stackframe=): Likewise.
1845 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1847 * doc/rtl.texi: Fix a typo.
1848 * see.c: Fix comment typos.
1850 * tree-ssa-structalias.h (alias_info): Remove num_references.
1852 2006-05-21 Mike Stump <mrs@apple.com>
1854 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1856 (darwin_pragma_options): Use BAD instead.
1857 (darwin_pragma_unused): Likewise.
1858 (darwin_pragma_ms_struct): Likewise.
1860 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1862 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1864 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1866 PR rtl-optimization/27671
1867 * simplify-rtx.c (simplify_relational_operation_1): Fix
1868 simplifications of (eq/ne (xor x y) y) and
1869 (eq/ne (xor x y) x).
1871 PR tree-optimization/26622.
1872 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1875 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1877 * tree-cfg.c: Prune whitespace.
1878 (debug_tree_cfg): Point to correct header containing the
1881 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1884 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1886 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1889 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1890 or sorry count is non zero.
1892 2006-05-20 Andreas Schwab <schwab@suse.de>
1894 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1896 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1897 Kenneth Zadeck <zadeck@naturalbridge.com>
1899 PR rtl-optimization/26855
1901 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1903 (df_scan_alloc): Added code to properly handle multiword hard
1904 registers and add all_blocks parameter.
1905 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1906 code to properly handle multiword hard registers.
1907 (df_rescan_blocks): Added code to remove deleted blocks from
1909 (df_ref_create_structure, df_ref_record): Added code to properly
1911 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1912 and set DF_REF_PARTIAL.
1913 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1914 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1915 (df_scan_add_problem): Added flags parameter.
1916 (df_ref_create_structure): Changed switching structure.
1917 (df_bb_refs_record): Fixed case where duplicate artificial refs
1918 were created. Changed location of flags.
1919 (df_record_entry_block_defs): Added code to make stack pointer
1920 live in entry block. Refined cases where frame pointer is needed.
1921 Changed location of flags.
1922 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1923 (df_set_state): Removed function.
1924 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1925 df_insn_create_insn_record, df_insn_refs_delete,
1926 df_ref_create_structure): Formatting changes.
1927 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1928 df_delete_basic_block): New function.
1929 (df_init): Changed location of flags.
1930 (df_add_problem): Added flags parameter and the way flags are
1932 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1933 debug_df_chain): Improved debugging output.
1934 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1935 (df_refs_chain_dump): Removed df parameter.
1936 (df_iterative_dataflow): Added consistency check.
1937 (df_prune_to_subcfg): Made public.
1938 (df_analyze_problem): Added blocks_to_init parameter and made
1940 (df_ref_record, df_bb_refs_record, df_mark_reg,
1941 df_record_exit_block_uses): Whitespace changes.
1942 (df_dump): Whitespace changes.
1943 * df.h: Some reordering to remove forward references.
1944 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1945 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1946 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1947 (dataflow.flags): New field.
1948 (df.flag): Deleted field.
1949 (df_alloc_function): Added additional bitmap parameter.
1950 (df_dependent_problem_function): New type.
1951 (df_problem.changeable_flags): New field.
1952 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1953 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1954 (df_mw_hardreg): New struct.
1955 (DF_INSN_UID_MWS): New macro.
1956 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1958 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1959 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1960 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1961 (df_set_state): Removed function.
1962 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1963 * df-problems.c (df_chain_dump): Removed df parameter.
1964 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1965 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1967 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1968 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1969 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1970 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1971 DF_REF_MUST_CLOBBER cases.
1972 (df_ru_bb_local_compute_process_def,
1973 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1974 df_lr_bb_local_compute, df_ur_bb_local_compute,
1975 df_chain_create_bb): Made subreg aware.
1976 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1977 df_lr_bb_local_compute, df_lr_bb_local_compute,
1978 df_chain_create_bb): Cleanup to use proper macros.
1979 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1980 code to fixup bitvectors.
1981 (df_ri_alloc): Cleared lifetime.
1982 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1983 df_create_unused_note): New function.
1984 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1985 REG_DEAD and REG_UNUSED notes as well as register information.
1986 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1987 df_chains_dump): Fixed crash if problem was never run.
1988 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1989 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1990 df_ri_add_problem): Processes flags in uniform manner.
1991 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1992 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1993 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1994 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1995 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1996 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1997 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1998 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1999 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2000 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2001 * see.c (see_initialize_data): Ditto.
2002 * final.c (rest_of_clean_state) Added regstack_completed.
2003 * rtl.h (regstack_completed): Ditto.
2004 * reg-stack.c (regstack_completed): Ditto.
2006 2006-05-19 Mike Stump <mrs@apple.com>
2008 * c-tree.h (default_conversion): Remove.
2009 * c-common.h (default_conversion): Add.
2011 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2013 * tree-vrp.c (valid_value_p): New function.
2014 (adjust_range_with_scev): Fail if the value of bound is not
2017 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2019 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2020 (mips_fallback_frame_state): Use syscall numbers to determine
2021 the appropriate li instruction for the current ABI. Only use
2022 __NR_sigreturn for o32.
2024 2006-05-19 Nicolas Setton <setton@adacore.com>
2026 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2027 * langhooks.c (lhd_dwarf_name): New function.
2028 * langhooks-def.h (lhd_dwarf_name): Declare.
2029 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2030 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2031 * ada/misc.c (gnat_dwarf_name): New function.
2032 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2034 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2036 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2038 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2039 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2040 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2041 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2042 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2043 determine the size of Wtype, etc.
2044 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2045 (swfloatfuncs): New variable.
2046 (dwfloatfuncs): Likewise.
2047 (lib2funcs): Remove floating-point conversion functions from
2048 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2049 the set of conversion routines needed. Allow entries to specify
2050 an object name, filename and word size. Update users accordingly.
2051 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2052 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2056 2006-02-08 Roger Sayle <roger@eyesopen.com>
2059 * config/fixtfdi.c: New libgcc source file.
2060 * config/fixunstfdi.c: New source file.
2061 * config/floatditf.c: New source file.
2062 * config/floatunditf.c: New souce file.
2063 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2064 files above instead of config/mips/_tilib.c.
2065 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2067 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2069 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2070 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2072 2006-05-18 Mike Stump <mrs@apple.com>
2074 Fix up vla, vm and [*] sematics.
2080 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2081 (c_vla_unspec_p): Add.
2082 (c_vla_type_p): Add.
2083 * c-decl.c (struct c_scope): Add had_vla_unspec.
2084 (build_array_declarator): Add support for [*].
2085 (grokdeclarator): Likewise.
2086 (grokparms): Likewise.
2087 (get_parm_info): Likewise.
2088 * c-objc-common.c (c_vla_unspec_p): Likewise.
2089 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2090 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2091 typeof when argument is a variably modified type not inside sizeof or alignof.
2092 (c_parser_direct_declarator_inner): Propagate errors.
2093 (c_parser_sizeof_expression): Add support for [*].
2094 (c_parser_parms_declarator): Initialize had_vla_unspec.
2095 (c_parser_parms_list_declarator): Likewise.
2096 * c-typeck.c (c_vla_type_p): Add.
2097 (composite_type): Add support for vla compositing.
2098 (comptypes_internal): Add support for vla compatibility.
2099 (c_expr_sizeof_expr): Evaluate vla arguments.
2100 * tree.c (variably_modified_type_p): Update comment for [*].
2102 2006-05-18 Michael Matz <matz@suse.de>
2105 * config.host: Make assignments to host_xmake_file cumulative.
2106 * config.host (*-darwin*): Test $host, not $target.
2108 2006-05-12 Stuart Hastings <stuart@apple.com>
2110 * config/i386/i386.opt (-mstackrealign): New flag.
2111 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2112 (ix86_handle_cconv_attribute): Emit error when
2113 force_align_arg_pointer attribute collides with too many regparms.
2114 (ix86_function_regparm): Limit regparms when used with
2115 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2116 Support stack-realigning prologue in non-main functions. Emit
2117 warning for nested functions under -mstackrealign, emit error for
2118 nested functions with force_align_arg_pointer attribute.
2119 * doc/extend.texi (force_align_arg_pointer): Document it.
2120 * doc/invoke.texi (-mstackrealign): Document it.
2122 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2124 PR rtl-optimization/27477
2125 * combine.c (try_combine): Don't split a parallel consisting
2126 of two sets into two individual sets if both sets reference
2129 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2131 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2132 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2134 * doc/options.texi (VarExists): Updated.
2136 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2138 * unwind-dw2.c: Add declarations for uw_update_context and
2140 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2141 detected, advance frame state and context once to skip over stub.
2143 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2147 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2148 Call rewrite_into_loop_closed_ssa only when something changed.
2149 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2150 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2151 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2152 Test for perfect_nest_p here. Fix formating.
2153 (replace_uses_equiv_to_x_with_y): Fix formating.
2154 (stmt_uses_op): Removed.
2155 (can_convert_to_perfect_nest): Removed loopivs parameter.
2156 Complete the test by checking the scalar dependences.
2157 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2160 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2163 From Dan Kegel <dank@kegel.com>:
2164 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2166 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2168 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2169 if the element type is variably modified without recursing.
2171 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2174 * tree-loop-linear.c (try_interchange_loops): Test for
2175 no data dependences.
2177 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2179 PR tree-optimization/27548
2180 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2181 range of ssa names that appear on abnormal edges.
2182 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2183 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2185 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2188 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2190 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2193 * tree.h (OMP_PARALLEL_COMBINED): Define.
2194 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2195 (new_omp_context): Add is_combined_parallel argument.
2196 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2197 new_omp_context caller.
2198 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2199 Adjust gimplify_scan_omp_clauses callers.
2200 (omp_is_private): Issue errors if iteration variable is firstprivate
2201 or reduction in the current context.
2202 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2203 on combined parallel workshare constructs.
2205 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2207 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2208 (gcc-options.o): New rule.
2210 * optc-gen.awk: Protect variables for gcc-options.o with
2211 #ifdef GCC_DRIVER/#endif.
2213 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2215 Fix PR tree-optimization/27373
2216 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2217 (forward_propagate_addr_expr): Update call.
2219 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2221 * doc/options.texi: Move the Negative option.
2223 2006-05-16 Richard Guenther <rguenther@suse.de>
2225 PR tree-optimization/22303
2226 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2228 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2229 ccp_fold did not simplify the statement.
2231 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2234 * Makefile.in (GCC_OBJS): New.
2235 (OBJS-common): Add opts-common.o.
2236 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2237 (cpp$(exeext)): Likewise.
2238 (gcc.o): Also depend on opts.h.
2239 (opts-common.o): New.
2241 * common.opt (gcoff): Add Negative(gdwarf-2).
2242 (gdwarf-2): Add Negative(gstabs).
2243 (gstabs): Add Negative(gstabs+).
2244 (gstabs+): Add Negative(gvms).
2245 (gvms): Add Negative(gxcoff).
2246 (gxcoff): Add Negative(gxcoff+).
2247 (gxcoff+): Add Negative(gcoff).
2248 * config/i386/i386.opt (m32): Add Negative(m64).
2249 (m64): Add Negative(m32).
2251 * doc/options.texi: Document the Negative option.
2253 * gcc.c: Include "opts.h".
2254 (main): Call prune_options after expandargv.
2256 * optc-gen.awk: Generate common declarations for all flag
2257 variables in options.c. Output the neg_index field.
2259 * opts.c (find_opt): Moved to ...
2260 * opts-common.c: Here. New file.
2262 * opts.h (cl_option): Add a neg_index field.
2264 (prune_options): Likewise.
2266 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2269 * omp-low.c (expand_omp_parallel): Don't assert
2270 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2271 instead search for it.
2274 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2277 2006-05-16 Andreas Schwab <schwab@suse.de>
2279 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2282 2006-05-15 Roger Sayle <roger@eyesopen.com>
2285 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2286 integer constants other than zero are only legitimate on TARGET_64BIT.
2287 <CONST_VECTOR> Only zero vectors are legitimate.
2288 (ix86_cannot_force_const_mem): Integral and vector constants can
2289 always be put in the constant pool.
2291 2006-05-16 DJ Delorie <dj@redhat.com>
2293 * crtstuff.c (__dso_handle): Set section from
2294 TARGET_LBIGCC_SDATA_SECTION if defined.
2295 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2296 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2298 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2301 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2304 2006-05-16 Ben Elliston <bje@au.ibm.com>
2306 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2308 2006-05-15 Per Bothner <per@bothner.com>
2310 * tree.c: (last_annotated_node): Use source_locus typedef.
2311 This permits bootstrapping with --enable-mapped-location.
2313 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2315 PR tree-optimization/26830
2316 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2317 (info_for_ssa_name, current_info_for_ssa_name_age,
2318 blocks_to_update): New variables.
2319 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2320 (clear_ssa_name_info, initialize_flags_in_bb,
2321 mark_block_for_update): New functions.
2322 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2323 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2324 prepare_def_site_for): Use mark_block_for_update.
2325 (mark_def_interesting): Assert that the processed block is marked in
2326 blocks_to_update. Do not take blocks argument.
2327 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2329 (rewrite_update_init_block, rewrite_update_stmt): Only process
2330 blocks with statements to rewrite.
2331 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2332 (update_ssa): Initialize and free blocks_to_update. Do not
2333 clear flags on statements. Do not use blocks bitmap.
2334 * tree.h (SSA_NAME_AUX): Removed.
2335 (struct tree_ssa_name): Removed aux field.
2336 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2338 2006-05-15 Richard Guenther <rguenther@suse.de>
2340 PR tree-optimization/27603
2341 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2342 Do computations in original type.
2344 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2346 * see.c: Code style changes such as redundant paranthesis,
2347 redundant intialization of local variables etc.
2348 (see_main): Declared now as static.
2349 * doc/invoke.texi: Update that -fsee is not enabled by
2352 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2354 * omp-low.c (check_omp_nesting_restrictions): New function.
2355 (scan_omp_1): Call it.
2358 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2359 construct, return *VAR.
2361 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2363 PR rtl-optimization/27406
2364 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2367 2006-05-14 Roger Sayle <roger@eyesopen.com>
2369 PR rtl-optimization/27538
2370 * combine.c (expand_compound_operation): Call gen_lowpart
2371 before calling simplify_shift_const.
2373 2006-05-14 Roger Sayle <roger@eyesopen.com>
2375 PR rtl-optimization/22563
2376 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2377 a fixed width bitfield, always force the intermediates into psuedos.
2379 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2382 * mkconfig.sh: Use operator = instead of == for test.
2384 2006-05-13 Nick Clifton <nickc@redhat.com>
2386 * dwarf2out.c (dbx_reg_number): Check return value from
2387 LEAF_REG_REMAP and only use it if it is valid.
2388 (multiple_reg_loc_descriptor): Likewise.
2390 2006-05-13 Richard Guenther <rguenther@suse.de>
2392 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2395 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2397 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2398 information attached to non-INSNs such as NOTEs.
2399 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2401 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2403 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2405 * config/s390/s390.md: Adjust comment describing On constraint.
2407 2006-05-11 Jan Hubicka <jh@suse.cz>
2409 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2410 to be output at -O0.
2412 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2415 * fold-const.c (size_binop): Move sanity check for arguments to
2416 the beginning of the function.
2419 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2422 2006-05-11 Richard Guenther <rguenther@suse.de>
2425 * fold-const.c (fold_unary): Handle intermediate conversion
2426 to a pointer type like intermediate conversion to an integer
2427 type in folding of (T1)(T2)var to var.
2428 Match the code to the comment in the final conversion for
2429 (T1)(T2)var to (T1)var regarding to type precision. Rather
2430 than disallow T1 being of pointer type, assert that both T1
2431 and var are of pointer type or not. Make sure not to fall
2432 over the frontends lazyness wrt array to pointer decay though.
2434 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2436 * arm.c (arm_struct_value_rtx): Delete.
2437 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2438 (arm_init_cumulative_args): Always initialize nregs to zero.
2440 2006-05-10 Richard Guenther <rguenther@suse.de>
2442 PR tree-optimization/27532
2443 * tree-object-size.c (plus_expr_object_size): Fix typo.
2445 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2448 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2449 ashrdi_const, ashrdi3): Use a scratch register.
2451 2006-05-10 Richard Guenther <rguenther@suse.de>
2453 PR tree-optimization/27302
2454 * fold-const.c (operand_equal_p): For two comparisons,
2455 try comparison of one comparison code swapped if that yields
2458 2006-05-10 Ben Elliston <bje@au.ibm.com>
2460 * tree-pretty-print.c (pretty_print_string): No need to handle
2461 '\0' as a special character.
2463 * tree.h: Include "hashtab.h".
2464 (iterative_hash_expr): Use hashval_t in its prototype.
2465 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2467 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2470 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2471 (hppa*64*-*-hpux11*): Ditto.
2472 (hppa[12]*-*-hpux11*): Ditto.
2474 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2477 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2479 2006-05-09 Michael Matz <matz@suse.de>
2481 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2482 host_extra_gcc_objs and host_xmake_file.
2483 (<*-*-linux*>): Don't overwrite host_xmake_file.
2484 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2485 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2486 (host_detect_local_cpu): Declare.
2487 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2488 * config/i386/i386.c (override_options): Handle -mtune=native
2490 * config/i386/x-i386: New file.
2491 * config/i386/driver-i386.c: New file.
2492 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2495 2006-05-09 Dirk Mueller <dmueller@suse.de>
2496 Richard Guenther <rguenther@suse.de>
2499 * fold-const.c (fold_read_from_constant_string): Relax check
2500 for matching types to matching modes.
2502 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2504 PR rtl-optimization/27335
2505 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2508 2006-05-08 Chao-ying Fu <fu@mips.com>
2509 Richard Sandiford <richard@codesourcery.com>
2511 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2512 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2513 * config/mips/mips.md (UNSPEC_SCC): New constant.
2514 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2515 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2516 (mips_emit_compare): Use it.
2517 (mips_expand_vcondv2sf): New function.
2519 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2521 Fix PR tree-optimization/27093
2522 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2523 renaming when they become not-used_alone.
2525 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2527 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2528 relocation and relocation stubs.
2530 2006-05-08 Eric Christopher <echristo@apple.com>
2532 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2535 2006-05-08 Jan Hubicka <jh@suse.cz>
2538 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2539 unused static functions are needed.
2541 2006-05-08 Roger Sayle <roger@eyesopen.com>
2544 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2545 of a reg_equiv_constant if the result is a legitimate constant.
2547 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2550 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2551 standard 80387 constants, raise the cost to prevent
2552 compress_float_constant() to generate load from memory.
2554 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2556 * config/arm/constraints.md (c): Fix a typo.
2558 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2561 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2564 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2566 (_mm_mwait): Likewise.
2568 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2570 (sse3_monitor): Make it 32bit only.
2571 (sse3_monitor64): New. 64bit monitor.
2573 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2576 * config/i386/i386.c (classify_argument): Skip fields with invalid
2579 2006-05-07 Richard Guenther <rguenther@suse.de>
2581 PR tree-optimization/27409
2582 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2583 Do not try to find zero-sized subvars.
2585 2006-05-07 Richard Guenther <rguenther@suse.de>
2587 PR tree-optimization/27136
2588 * tree-ssa-loop-niter.c (get_val_for): Correct function
2589 comment, assert requirements.
2590 (loop_niter_by_eval): Stop processing if the iterated
2591 value did not simplify.
2593 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2595 * opts.c (flag_see): remove its setting at -O3.
2597 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2599 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2600 * arm/constraints.md: New file.
2601 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2602 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2603 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2604 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2605 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2606 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2607 * arm.md: Include constraints.md.
2608 (thumb_movsi_insn): Use satisfies_constraint_J.
2609 (movhi, movqi): Use satisfies_constraint_I.
2611 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2613 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2614 for atmeg a645 device.
2616 2006-05-06 Richard Guenther <rguenther@suse.de>
2618 PR tree-optimization/27151
2619 * tree-vect-transform.c (vectorizable_condition): Punt on
2620 values that have a different type than the condition.
2622 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2625 * c-parser.c (c_parser_cast_expression): Only insert casts into
2626 hash table if pointer.
2627 * function.c (used_types_insert_helper): Rename from
2629 (used_types_insert): Call used_types_insert_helper.
2630 * function.h (used_types_insert): Accept only one argument.
2632 2006-05-05 David Edelsohn <edesohn@gnu.org>
2634 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2635 scratch with output modifier.
2637 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2640 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2641 with output modifier.
2643 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2646 * config/mips/mips.c (mips_symbolic_address_p): Return true
2647 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2648 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2650 2006-05-04 Richard Guenther <rguenther@suse.de>
2652 PR tree-optimization/14287
2653 PR tree-optimization/14844
2654 PR tree-optimization/19792
2655 PR tree-optimization/21608
2656 PR tree-optimization/27090
2657 * tree-ssa-pre.c (try_combine_conversion): New function.
2658 (compute_avail): After constructing the value-handle
2659 expression, use try_combine_conversion to combine NOP_EXPRs
2660 with previous value-handle expressions and use the result if it
2663 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2665 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2667 2006-05-04 Jan Hubicka <jh@suse.cz>
2670 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2672 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2674 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2675 that this only matches CONST_INTs. All users changed to VOIDmode
2678 * config/bfin/bfin.c: Include "optabs.h".
2679 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2681 (enum bfin_builtins): Add a number of fractional and vector builtins.
2682 (bfin_init_builtins): Likewise.
2683 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2684 (safe_vector_operand, bfin_expand_binop_builtin,
2685 bfin_expand_unop_builtin): New functions.
2686 (bfin_expand_builtin): Handle the new builtins.
2687 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2690 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2693 * Makefile.in (OBJS-common): Add see.o.
2694 (see.o): Add dependencies.
2695 * common.opt (fsee): New flag for the see optimization was added.
2696 * opts.c (flag_see): Initialized.
2697 * passes.c (init_optimization_passes, pass_see): New pass.
2698 * rtl.h (see_main): Declaration as extern.
2699 * timevar.def (TV_SEE): New.
2700 * tree-pass.h (pass_see): Declaration as extern.
2701 * invoke.texi (-fsee): Document.
2702 * recog.c (validate_simplify_insn): New function.
2703 * recog.h (validate_simplify_insn): Declaration as extern.
2704 * df-problems.c (df_chain_dump): Check for NULL.
2706 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2707 Daniel Berlin <dberlin@dberlin.org>
2709 * cfgrtl.c (insert_insn_bb_end_new): New function.
2710 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2712 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2714 * df.h (struct web_entry): Moved from web.c.
2715 (union_defs): Declaration as extern.
2716 (unionfind_root): Likewise.
2717 (unionfind_union): Likewise.
2718 * web.c (struct web_entry): Moved to df.h.
2719 (unionfind_root): Remove static declaration.
2720 (unionfind_union): Likewise.
2721 (union_defs): Likewise and generalize to use callback function.
2722 (web_main): Update arguments for union_defs function call.
2724 2006-05-04 Richard Guenther <rguenther@suse.de>
2726 PR tree-optimization/26447
2727 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2728 produce SSA_NAME copies before the store stmt to avoid
2729 breaking exception handling.
2731 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2734 * gimplify.c (omp_is_private): If var is shared in some outer context,
2735 return false instead of true. Stop searching on parallel context
2738 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2741 * coverage.c: Use get_gcov_unsigned_t() instead of
2742 unsigned_type_node all over.
2744 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2746 PR tree-optimization/27381
2747 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2748 maintain the same immediate_use links.
2749 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2750 node rather than segfaulting.
2752 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2755 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2756 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2757 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2759 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2761 Fix PR tree-optimization/26626
2762 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2764 * tree-ssa-operands.c (access_can_touch_variable): Allow
2765 typecasting through union pointers.
2767 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2770 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2771 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2772 to find if var will be a global variable even in the nested context.
2773 (omp_copy_decl): Only check for global variable at the end, it might
2774 be overridden in outer contexts.
2775 (scan_sharing_clauses): For global variables don't create a field.
2776 (lower_rec_input_clauses): Do nothing for global shared variables.
2777 Emit a barrier at the end of ILIST if there were any decls in both
2778 firstprivate and lastprivate clauses.
2779 (lower_send_clauses): Do nothing for global variables except for
2782 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2784 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2785 of the correct signedness is returned.
2787 2006-05-02 Jeff Law <law@redhat.com>
2789 PR tree-optimization/27364
2790 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2791 multiply expressions.
2793 2006-05-02 Tom Tromey <tromey@redhat.com>
2795 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2797 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2800 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2801 -mthumb -fPIC are used.
2803 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2804 Joshua Kinard <kumba@gentoo.org>
2807 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2808 with 64-bit pointers.
2810 2006-05-02 Paul Brook <paul@codesourcery.com>
2812 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2814 (create_fix_barrier): Check that a suitable barrier location is
2816 (arm_reorg): Include ftmp->address in allowable range of addresses.
2818 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2821 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2824 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2827 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2828 around RESULT_DECL for result passed by reference.
2829 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2830 * omp-low.c (use_pointer_for_field): Don't look at
2831 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2832 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2833 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2834 time or var for passing by reference for
2835 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2836 TREE_ADDRESSABLE variables when passing by reference.
2838 * omp-low.c (dump_omp_region): Fix output formatting.
2841 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2842 (expand_omp_parallel): Likewise.
2843 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2846 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2847 on statement list containing also constructors and destructors.
2848 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2851 * except.c (duplicate_eh_regions): Fix clearing of
2852 cfun->eh->region_array entries.
2854 2006-05-01 DJ Delorie <dj@redhat.com>
2856 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2858 (gcc_cv_objdump): Likewise.
2859 * configure: Regenerated.
2861 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2864 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2865 templates for case 3 and 4.
2867 2006-05-01 DJ Delorie <dj@redhat.com>
2869 * vec.c: Include bconfig.h when appropriate.
2870 * Makefile.in (build/vec.o): Adjust dependencies.
2871 * mkconfig.sh: Make sure config.h isn't used for build machine
2874 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2876 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2878 (mark_phi_for_rewrite): New function.
2879 (insert_phi_nodes_for, mark_use_interesting): Call
2880 mark_phi_for_rewrite.
2881 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2882 (update_ssa): Initialize and free phis_to_rewrite.
2884 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2886 PR rtl-optimization/27291
2887 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2888 folded to a constant.
2890 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2892 PR tree-optimization/27283
2893 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2894 not whole # of iteration descriptions.
2895 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2896 uses abnormal ssa name.
2897 (niter_for_single_dom_exit): Ditto.
2898 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2899 return just the number of iterations.
2901 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2903 PR tree-optimization/27144
2904 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2905 (record_estimate): Only record constant upper bound.
2906 (infer_loop_bounds_from_undefined): Call
2907 compute_estimated_nb_iterations just once.
2908 (proved_non_wrapping_p): Renamed to ...
2909 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2910 (convert_step_widening, scev_probably_wraps_p): Call
2911 n_of_executions_at_most instead of proved_non_wrapping_p.
2912 (substitute_in_loop_info): Do not replace values in bounds.
2913 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2916 2006-05-01 Richard Henderson <rth@redhat.com>
2919 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2920 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2923 2006-05-01 Roger Sayle <roger@eyesopen.com>
2925 * c-typeck.c (parser_build_binary_op): Don't call the function
2926 unsigned_conversion_warning to spot operand/result type overflow.
2927 (build_binary_op): Instead, call convert_and_check instead of
2928 convert to report the problem when the operands are promoted.
2929 * c-common.c (unsigned_conversion_warning): Make static.
2930 * c-common.h (unsigned_conversion_warning): Delete prototype.
2932 2006-05-01 Richard Guenther <rguenther@suse.de>
2934 PR tree-optimization/26726
2935 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2937 (find_interesting_uses_address): ... we work around here
2938 by folding INDIRECT_REFs in the substituted base.
2940 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2942 * omp-low.c (dump_omp_region): Add newlines.
2944 2006-04-30 Roger Sayle <roger@eyesopen.com>
2946 * common.opt (Woverflow): New command line option.
2947 * c-common.c (constant_expression_warning): Check warn_overflow.
2948 (overflow_waring): Pass OPT_Woverflow to warning.
2949 (unsigned_conversion_warning): Likewise.
2950 (convert_and_check): Likewise.
2951 * doc/invoke.texi: Document new command line option.
2953 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2955 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2956 TARGET_NO_FP_IN_TOC for section anchors.
2957 (optimization_options): Enable section anchors for all
2958 non-"Objective" languages.
2960 2006-04-28 Eric Christopher <echristo@apple.com>
2962 * config/darwin-c.c (darwin_ms_struct): Move this
2963 (darwin_set_default_type_attributes): and this...
2964 * config/darwin.c: ... here.
2965 * config/darwin.h (darwin_ms_struct): Declare.
2967 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2969 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2971 2006-04-28 Roger Sayle <roger@eyesopen.com>
2974 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2975 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2976 an unsigned HOST_WIDE_INT.
2977 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2979 (really_start_incremental_init): No need to call convert because
2980 bitsize_zero_node is already of type bitsizetype.
2981 (push_init_level): Extract the value of constructor_index as an
2982 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2983 (process_init_element): Likewise.
2985 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2987 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2988 value before passing to make_relative_prefix.
2990 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2993 * builtins.c (expand_builtin_memset): Expand val in original mode.
2995 2006-04-27 Eric Christopher <echristo@apple.com>
2997 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2998 with #ifndef/#endif.
2999 * config/darwin-c.c (darwin_ms_struct): New.
3000 (darwin_pragma_ms_struct): Ditto.
3001 (darwin_set_default_type_attributes): Ditto.
3002 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3003 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3004 Register ms_struct pragma.
3005 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3006 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3007 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3008 darwin_set_default_type_attributes if TARGET_MACHO.
3010 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3012 PR tree-optimization/26854
3013 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3014 * doc/tree-ssa.texi: Update immuse iterator documentation.
3015 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3016 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3017 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3018 first_safe_imm_use, next_safe_imm_use): Remove.
3019 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3020 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3021 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3022 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3023 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3024 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3025 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3026 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3027 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3028 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3029 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3030 (perfect_nestify): Use new iterator.
3031 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3033 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3034 (next_imm_name): New field in struct immediate_use_iterator_d.
3035 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3036 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3037 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3038 * tree-cfg.c (replace_uses_by): Use new iterator.
3039 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3040 * tree-ssa-operands.c (correct_use_link): Remove.
3041 (finalize_ssa_use_ops): No longer call correct_use_link.
3043 2006-04-27 Stuart Hastings <stuart@apple.com>
3045 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3046 * config/t-darwin (crt3.o): Use it.
3047 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3048 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3049 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3050 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3051 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3054 2006-04-27 Roger Sayle <roger@eyesopen.com>
3056 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3057 size, force the intermediate into a new pseudo rather instead of
3058 performing both a bitwise AND and a bitwise IOR in memory.
3060 2006-04-27 Richard Guenther <rguenther@suse.de>
3062 PR rtl-optimization/26685
3063 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3064 this one "max-flow-memory-locations".
3066 2006-04-27 Richard Guenther <rguenther@suse.de>
3068 PR tree-optimization/25148
3069 * tree-vrp.c (compare_values): Remove code dealing with
3070 comparisons against type min/max value. Honour overflow
3071 and negative constants in code dealing with comparisons
3072 of plus and minus expressions.
3073 (value_inside_range): Use fold_binary with LE_EXPR and
3074 GE_EXPR rather than compare_values.
3076 2006-04-27 Dirk Mueller <dmueller@suse.de>
3078 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3081 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3083 * basic-block.h (safe_insert_insn_on_edge): Removed.
3084 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3086 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3087 Paolo Bonzini <bonzini@gnu.org>
3090 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3091 (simplify_and_const_int): Same.
3093 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3095 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3097 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3100 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3101 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3102 cgraph_global_info_ready.
3105 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3108 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3109 either decl or init is error_mark_node.
3112 * tree-flow.h (struct omp_region): Add sched_kind.
3113 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3114 instead of extracting omp for data.
3115 (expand_omp_for): Save extracted sched_kind.
3117 2006-04-25 Roger Sayle <roger@eyesopen.com>
3119 * expmed.c (store_bit_field): Also check whether the bitsize is
3120 valid for the machine's "insv" instruction before moving the
3121 target into a pseudo for use with the insv.
3122 * config/i386/predicates.md (const8_operand): New predicate.
3123 * config/i386/i386.md (extv, extzv, insv): Use the new
3124 const8_operand predicate where appropriate.
3126 2006-04-25 DJ Delorie <dj@redhat.com>
3128 * doc/install.texi (Specific): Clarify that this is not a list of
3129 supported hosts or targets.
3131 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3133 PR rtl-optimization/26725
3134 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3135 block's BB_DIRTY flag.
3137 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3139 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3142 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3143 to print an integer.
3145 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3147 * varasm.c (align_variable): New function.
3148 (get_block_for_decl): Apply align_variable to DECL before
3149 calculating section information.
3150 (assemble_variable): Split out alignment computation.
3152 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3154 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3157 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3159 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3160 MODE_PARTIAL_INT mode.
3161 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3162 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3164 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3165 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3167 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3169 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3171 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3172 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3173 MACFLAG_IH): Likewise.
3174 (movstricthi_1): Renamed from "*movstricthi".
3175 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3176 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3177 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3178 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3179 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3180 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3181 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3182 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3183 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3184 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3185 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3186 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3187 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3188 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3189 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3191 * doc/rtl.texi (ss_ashift): Improve wording.
3193 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3195 * dwarf2out.c (verify_marks_clear): New.
3196 (prune_unused_types): Call verify_marks_clear initially, not
3199 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3201 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3202 * doc/rtl.texi: Document them.
3203 * simplify-rtx.c (simplify_unary_operation,
3204 simplify_binary_operation_1): Don't abort when we see them.
3206 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3209 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3210 * configure.ac: Completely disregard languages that are not
3212 * configure: Regenerated.
3214 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3215 Richard Guenther <rguenther@suse.de>
3217 PR tree-optimization/27236
3218 * tree-inline.c (copy_body_r): Make sure to copy
3219 TREE_THIS_VOLATILE flag.
3221 2006-04-24 Richard Guenther <rguenther@suse.de>
3224 * tree-complex.c (update_parameter_components): Don't handle
3225 unused parameters which have no default def.
3227 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3228 Richard Guenther <rguenther@suse.de>
3230 PR tree-optimization/27218
3231 * tree-inline.c (expand_call_inline): Strip useless type
3232 conversions for the return slot address.
3234 2006-04-24 Richard Guenther <rguenther@suse.de>
3236 * cfgloop.h (struct loops): Remove unused field array. Reorder
3238 (LOOP_PREFETCH): Remove.
3240 2006-04-24 Richard Guenther <rguenther@suse.de>
3242 PR tree-optimization/22525
3243 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3244 variable, adjust types of generated expressions.
3246 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3248 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3249 (tree-vect-patterns.o): Likewise.
3251 (cselib.o): Likewise.
3252 (loop-doloop.o): Likewise.
3253 (regclass.o): Likewise.
3254 (reload1.o): Likewise.
3255 (explow.o): Replace target.h with $(TARGET_H).
3256 (ipa-prop.o): Likewise.
3257 (ipa-cp.o): Likewise.
3258 (ipa-inline.o): Likewise.
3259 (reorg.o): Likewise.
3260 (reg-stack.o): Likewise.
3262 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3264 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3266 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3268 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3270 * configure.ac: Completely disregard languages that are not
3272 * configure: Regenerated.
3275 * c-common.h (c_build_bitfield_integer_type): Declare.
3276 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3277 * c-common.c (c_build_bitfield_integer_type): ... here.
3279 2006-04-23 Roger Sayle <roger@eyesopen.com>
3282 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3283 a SImode SUBREG of a floating point register after no_new_pseudos.
3285 2006-04-23 Roger Sayle <roger@eyesopen.com>
3287 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3288 identify potentially eliminable registers to additionally catch
3289 VIRTUAL_INCOMING_ARGS_REGNUM.
3290 (addsi3): Update the conditions on when to use addsi_small_int.
3292 2006-04-23 Roger Sayle <roger@eyesopen.com>
3295 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3296 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3297 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3299 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3301 * fold-const.c (range_predecessor): Use operand_equal_p
3302 as the predicate for equality.
3303 (range_successor): Likewise.
3305 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3308 * config/soft-fp/op-common.h: Fix a typo.
3310 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3313 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3314 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3316 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3318 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3320 * doc/tm.texi: Fix a typo.
3322 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3324 * dwarf2out.c (struct die_struct): Document that die_sib makes
3325 a circular linked list.
3326 (FOR_EACH_CHILD): New.
3327 (reverse_die_lists): Delete.
3328 (reverse_all_dies): Delete.
3329 (add_dwarf_attr): Correct documentation.
3330 (remove_child_with_prev): New.
3331 (remove_child_TAG): Update for change to die_struct, use
3332 remove_child_with_prev.
3333 (add_child_die): Update for change to die_struct.
3334 (splice_child_die): Use remove_child_with_prev and add_child_die.
3335 (print_die): Use FOR_EACH_CHILD.
3336 (die_checksum): Likewise.
3337 (assign_symbol_names): Likewise.
3338 (output_location_lists): Likewise.
3339 (build_abbrev_table): Likewise.
3340 (calc_die_sizes): Likewise.
3341 (mark_dies): Likewise.
3342 (unmark_dies): Likewise.
3343 (unmark_all_dies): Likewise.
3344 (output_die): Likewise.
3345 (prune_unused_types_mark): Likewise.
3346 (prune_unused_types_walk): Likewise.
3347 (same_die_p): Update for change to die_struct.
3348 (break_out_includes): Likewise.
3349 (prune_unused_types_prune): Likewise.
3350 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3351 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3353 (dwarf2out_finish): Don't call reverse_all_dies.
3355 2006-04-21 Eric Christopher <echristo@apple.com>
3357 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3358 in comments and function names.
3360 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3363 * c-typeck.c (digest_init): Robustify.
3365 * c-typeck.c (pop_init_level): Simplify.
3367 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3369 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3371 2006-04-21 Paul Brook <paul@codesourcery.com>
3373 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3374 hardware floating point.
3376 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3378 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3381 2006-04-21 Nick Clifton <nickc@redhat.com>
3383 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3386 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3389 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3390 C++ lang type in traceback table for Objective-C++.
3392 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3394 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3396 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3398 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3401 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3402 were errors. Remove check for erroneous objects.
3404 2006-04-20 Jeff Law <law@redhat.com>
3406 PR tree-optimization/26854
3407 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3408 checking for zero or one use.
3409 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3410 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3411 * tree-ssa-reassoc.c (negate_value): Similarly.
3412 (reassociate_bb): Similarly.
3414 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3416 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3417 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3418 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3420 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3422 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3423 fp regs if the last fp arg doesn't fit in regs.
3425 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3428 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3429 that the last insn has the REG_INC note.
3431 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3432 Nathan Sidwell <nathan@codesourcery.com>
3435 * stor-layout.c (update_alignment_for_field): Do not align
3437 (place_union_field): Place union field at the start of the union.
3438 (place_field): Move ERROR_MARK check later, and use the current
3439 allocation position to maintain monotonicity.
3441 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3443 * dominance.c: Include timevar.h.
3444 (calculate_dominance_info): Use TV_DOMINANCE.
3445 * timevar.def (TV_DOMINANCE): New timevar.
3446 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3448 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3450 PR rtl-optimization/14261
3451 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3452 move would be an INSV insn.
3453 (noce_process_if_block): Don't optimize if the destination is a
3454 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3456 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3458 * config/s390/s390.md: Add comments with the instructions emitted
3459 by an insn pattern if macros are used.
3461 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3463 PR rtl-optimization/26026
3464 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3465 is a known power of two shifted left a variable amount.
3467 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3469 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3470 to hash table twice when the debug_str section has SECTION_MERGE.
3472 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3474 * config/soft-fp: New directory. From glibc.
3475 * config/soft-fp/t-softfp: New.
3476 * config/soft-fp/README: New.
3477 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3478 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3479 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3480 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3481 * config.gcc: Use rs6000/t-fprules-fpbit or
3482 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3484 * config/rs6000/sfp-machine.h: New. Based on glibc.
3485 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3487 * config/rs6000/t-fprules: Remove fp-bit rules.
3488 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3489 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3490 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3491 (softfp_wrap_start, softfp_wrap_end): New.
3493 2006-04-18 DJ Delorie <dj@redhat.com>
3495 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3497 2006-04-18 Devang Patel <dpatel@apple.com>
3499 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3501 2006-04-18 Nick Clifton <nickc@redhat.com>
3503 * config/sh/t-symbian: Add rule to build sh-c.o
3504 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3505 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3506 (sh_symbian_encode_section_info): Likewise.
3508 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3510 * builtins.c (expand_builtin_strcmp): Cover label definition of
3511 do_libcall with HAVE_cmpstrnsi.
3513 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3515 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3517 * function.h (temp_slot_p): New.
3518 (function): Change the type of x_used_temp_slots to
3519 VEC(temp_slot_p,gc) *.
3521 2006-04-18 Nick Clifton <nickc@redhat.com>
3523 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3524 flag_strength_reduce.
3526 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3528 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3532 Partial revert of revision 112637
3533 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3534 Dale Johannesen <dalej@apple.com>
3537 * regclass.c (struct reg_pref): Update documentation.
3538 (regclass): Set prefclass to NO_REGS if memory is the best option.
3539 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3541 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3543 PR tree-optimization/26821
3544 * tree-ssa-math-opts.c (get_constant_one): New.
3545 (insert_reciprocals): Use it.
3547 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3549 * dwarf2out.c (free_AT): Delete.
3550 (remove_AT): Update string ref counts.
3551 (remove_child_TAG): Don't call free_die.
3553 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3554 or DW_TAG_GNU_EINCL.
3555 (prune_unused_types_walk_attribs): Reset string refcounts.
3556 (prune_unused_types_update_strings): New.
3557 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3558 call free_die. Do call prune_unused_types_update_strings.
3559 (prune_unused_types): Empty debug_str_hash.
3561 2006-04-17 Roger Sayle <roger@eyesopen.com>
3563 * expr.c (expand_assignment): Optimize away no-op moves where the
3564 source and destination are equal and have no side-effects.
3566 2006-04-17 Richard Guenther <rguenther@suse.de>
3569 * reload.c (push_reload): Guard calls to get_secondary_mem
3572 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3574 * alias.c (reg_base_value, old_reg_base_value): Change the
3575 type to VEC(rtx,gc) *.
3576 (REG_BASE_VALUE, find_base_value, record_set,
3577 init_alias_analysis): Use VEC instead of VARRAY.
3579 * alias.c (alias_sets): Change the type to
3580 VEC(alias_set_entry,gc) *.
3581 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3582 VEC instead of VARRAY.
3583 (last_alias_set): Remove.
3585 * cgraph.h (cgraph_edge_p): New.
3586 Update the prototype of cgraph_function_versioning.
3587 * cgraphunit.c (cgraph_copy_node_for_versioning,
3588 cgraph_function_versioning): Use VEC instead of VARRAY.
3589 * ipa-cp.c (ipcp_insert_stage): Likewise.
3591 2006-04-16 Roger Sayle <roger@eyesopen.com>
3594 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3595 "A op B" or "A op C", we may need to convert A to the type of B and C.
3597 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3599 * target.h (struct gcc_target): Add mode_rep_extended.
3600 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3601 (init_num_sign_bit_copies_in_rep): Initialize it using
3603 (truncate_to_mode): Use it.
3604 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3605 * targhooks.h (default_mode_rep_extended): Declare it.
3606 * targhooks.c (default_mode_rep_extended): Define it.
3607 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3608 default_mode_rep_extended.
3609 (TARGET_INITIALIZER): Include it.
3610 * doc/tm.texi (Misc): Document it.
3611 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3612 (mips_truncated_to_mode): New function.
3614 2006-04-16 Roger Sayle <roger@eyesopen.com>
3617 * expr.c (compress_float_constant): Copy the narrow constant into
3618 a new pseudo before extending it to its final width.
3620 2006-04-16 Roger Sayle <roger@eyesopen.com>
3621 Andrew Pinski <pinskia@gcc.gnu.org>
3622 Dale Johannesen <dalej@apple.com>
3625 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3626 special case code to implement V8HImode and V16QImode with SSE2.
3628 2006-04-15 Roger Sayle <roger@eyesopen.com>
3630 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3631 trees are constructed with a suitable tree type.
3633 2006-04-15 Roger Sayle <roger@eyesopen.com>
3635 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3636 (integer_onep): Likewise.
3637 (integer_all_onesp): Likewise.
3638 (integer_pow2p): Likewise.
3639 (integer_nonzerop): Likewise.
3640 (real_zerop): Likewise.
3641 (real_onep): Likewise.
3642 (real_twop): Likewise.
3643 (real_minus_onep): Likewise.
3644 (int_size_in_bytes): Likewise.
3645 (host_integerp): Likewise.
3647 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3649 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3650 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3651 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3653 * tree-ssa-structalias.h (alias_info): Remove num_references.
3655 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3657 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3658 (output_bvb patterns): Likewise.
3659 * pa.c (output_bb): Use 'bb' insn for long branch case.
3660 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3661 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3662 1. Correct length operand for alternatives 1 and 2.
3663 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3664 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3666 2006-04-14 Roger Sayle <roger@eyesopen.com>
3668 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3669 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3670 were accidentally reverted by r112959.
3672 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3675 * except.h (eh_region_outermost): New prototype.
3676 * except.c (eh_region_outermost): New function.
3677 * tree-cfg.c (find_outermost_region_in_block): Use it.
3679 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3681 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3683 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3684 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3685 (init_reload, reload): Use VEC instead of VARRAY.
3686 * reload.h: Update the prototype for
3687 reg_equiv_memory_loc_varray.
3689 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3690 Eric Botcazou <ebotcazou@libertysurf.fr>
3692 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3695 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3698 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3699 to expand fallback builtin function call.
3701 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3704 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3705 and emit libcall here in case the builtin fails.
3706 (expand_builtin_strcmp): Always emit the libcall here on failure.
3708 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3710 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3711 * flow.c (reg_n_info): Change the type to
3712 VEC(reg_info_p,heap) *.
3713 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3715 * regs.h (reg_info_p): New.
3716 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3717 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3718 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3721 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3723 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3725 * params.h (MAX_SCHED_READY_INSNS): New macro.
3726 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3727 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3728 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3729 the ready list for 1 cycle during the first scheduling pass.
3730 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3732 2006-04-13 Richard Henderson <rth@redhat.com>
3735 * gimple-low.c (lower_omp_directive): Remove dead code.
3736 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3737 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3738 * omp-low.c (struct omp_region): Move to tree-flow.h.
3739 (root_omp_region): Export.
3740 (omp_regions, lookup_omp_region): Remove.
3741 (determine_parallel_type): Update for struct omp_region changes.
3742 (dump_omp_region): Dump regions with block numbers.
3743 (new_omp_region): Take type and block instead of stmt; malloc
3745 (free_omp_region_1, free_omp_regions): New.
3746 (expand_parallel_call): Take entry_stmt as argument; update for
3747 changes to omp_region.
3748 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3749 (remove_exit_barriers): New.
3750 (expand_omp_parallel): Update for struct omp_region changes.
3751 (expand_omp_synch): Likewise.
3752 (expand_omp): Likewise.
3753 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3754 (expand_omp_for_static_chunk): Likewise.
3755 (expand_omp_for): Likewise.
3756 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3757 (expand_omp_sections): Similarly, with GOMP_sections_end.
3758 (expand_omp_single): New.
3759 (build_omp_regions_1): Update for OMP_CONTINUE.
3760 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3761 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3762 OMP_SECTIONS_SECTIONS.
3763 (lower_omp_single_simple): Don't emit barrier here.
3764 (lower_omp_single_copy): Likewise.
3765 (lower_omp_single): Fix bindings, and lower to straightline now.
3766 (lower_omp_master, lower_omp_ordered): Likewise.
3767 (lower_omp_critical): Likewise.
3768 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3769 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3770 omp edges, free it afterward.
3771 (make_omp_sections_edges): Remove.
3772 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3773 (move_stmt_r): Handle OMP_CONTINUE.
3774 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3775 statement pointers to basic blocks. Add type member.
3776 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3777 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3778 * tree-inline.c (estimate_num_insns_1): Likewise.
3779 * tree-pretty-print.c (dump_generic_node): Likewise.
3780 * tree-ssa-operands.c (get_expr_operands): Likewise.
3781 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3782 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3783 (OMP_CONTINUE): New.
3784 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3785 (OMP_SECTIONS_SECTIONS): Remove.
3786 (OMP_SECTION_LAST): New.
3787 (OMP_RETURN_NOWAIT): New.
3789 2006-04-13 Roger Sayle <roger@eyesopen.com>
3791 * fold-const.c (native_encode_vector, native_interpret_real):
3792 Correct obvious mistakes in the previous check-in.
3794 2006-04-13 Roger Sayle <roger@eyesopen.com>
3796 * fold-const.c (native_encode_expr): New function to encode
3797 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3798 or VECTOR_CST into a specified buffer.
3799 (native_encode_int): New function.
3800 (native_encode_real): New function.
3801 (native_encode_complex): New function.
3802 (native_encode_vector): New function.
3803 (native_interpret_expr): Inverse of native_encode_expr to convert
3804 a target representation into an INTEGER_CST, REAL_CST etc...
3805 (native_interpret_int): New function.
3806 (native_interpret_real): New function.
3807 (native_interpret_complex): New function.
3808 (native_interpret_vector): New function.
3809 (fold_view_convert_expr): New function to constant fold/evaluate
3810 a VIEW_CONVERT_EXPR of a suitable constant expression.
3811 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3812 Change call of build1 to fold_build1 when constructing a
3815 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3816 Ulrich Weigand <uweigand@de.ibm.com>
3819 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3822 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3825 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3826 optimize to lo_sum for DFmode if !TARGET_FPRS.
3828 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3830 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3831 delete_alias_info, compute_flow_sensitive_aliasing,
3832 group_aliases): Use VEC instead of VARRAY.
3833 * tree-ssa-structalias.c (update_alias_info): Likewise.
3834 * tree-ssa-structalias.h (alias_info): Change the type of
3835 processed_ptrs to VEC(tree,heap) *.
3837 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3840 * config/sh/lib1funcs.h: New file, broken out of:
3841 * config/sh/lib1funcs.asm.
3842 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3844 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3845 * config/sh/lib1funcs-Os-4-200.asm: New file.
3846 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3847 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3848 (EXTRA_MULTILIB_PARTS): Include it.
3849 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3850 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3851 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3852 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3855 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3857 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3858 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3859 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3861 * tree-ssa-live.h: Include vecprim.h.
3862 (tree_partition_associator_d): Change the type of
3863 first_partition to VEC(int,heap) *.
3864 (tpa_first_partition): Use VEC instead of VARRAY.
3866 * Makefile.in (GTFILES): Move functions.h after tree.h.
3867 * function.c (reset_block_changes, record_block_change,
3868 check_block_change, free_block_changes): Use VEC instead of
3870 * function.h (function): Change the type of
3871 ib_boundaries_block to VEC(tree,gc) *.
3872 * tree-inline.c (copy_cfg_body): Initialize
3873 ib_boundaries_block to NULL instead of (varray_type) 0.
3875 2006-04-12 Roger Sayle <roger@eyesopen.com>
3877 * expr.c (emit_group_store): Correct operand order in call to
3878 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3879 a SUBREG_BYTE of zero.
3881 2006-04-12 Richard Guenther <rguenther@suse.de>
3883 * profile.c (compute_branch_probabilities): Remove code
3884 encapsulated in !ir_type (), which are remanents of the
3885 removed RTL profiling code.
3886 * rtl-profile.c: Remove.
3888 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3890 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3891 magic NULL_RTX comment.
3892 (function_arg): Store entire fp arg to mem if any part should go
3894 (rs6000_arg_partial_bytes): Adjust for above change.
3896 2006-04-11 Roger Sayle <roger@eyesopen.com>
3898 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3899 if it hasn't been initialized by dwarf2out_init.
3901 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3903 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3904 symbolic constants in branch patterns.
3906 2006-04-11 Roger Sayle <roger@eyesopen.com>
3908 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3910 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3912 PR rtl-optimization/27073
3913 * gcse.c (try_replace_reg): Revert last change. Continue to search
3914 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3917 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3919 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3920 aggregate types other than record and union types.
3921 (function_arg): Likewise.
3922 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3924 (function_value): In 64-bit mode, return objects that require it
3927 2006-04-11 Roger Sayle <roger@eyesopen.com>
3929 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3931 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3933 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3935 2006-04-03 Jeff Law <law@redhat.com>
3938 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3939 alias information too.
3941 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3943 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3945 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3948 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3949 (premark_used_types_helper): New.
3950 (premark_used_types): New.
3951 (gen_subprogram_die): Call premark_used_types.
3952 (prune_unused_types_walk): Do not prune perennial dies.
3953 * function.c (used_types_insert): New.
3954 * function.h (struct function): Add used_types_hash field.
3955 (used_types_insert): Add prototype.
3956 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3957 * c-parser.c (c_parser_cast_expression): Save casted types in used
3960 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3963 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3964 rs6000_explicit_options.float_gprs.
3966 2006-04-10 Roger Sayle <roger@eyesopen.com>
3968 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3969 from ix86_expand_vector_init_low_nonzero. Take an additional
3970 one_var argument indicating which element is non-zero. Support
3971 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3972 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3973 with one_var instead of ix86_expand_vector_init_low_nonzero.
3975 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3977 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3978 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3979 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3980 build/genextract.o): Depend on vecprim.h.
3981 * cfglayout.c, df-problems.c, function.c, genextract.c,
3982 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3983 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3987 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3989 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3990 Declare VECs of this type.
3991 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3992 (remove_children): Delete.
3993 (add_dwarf_attr): Use VEC routines.
3994 (add_AT_flag): Update for changes to add_dwarf_attr.
3995 (add_AT_int): Likewise.
3996 (add_AT_unsigned): Likewise.
3997 (add_AT_long_long): Likewise.
3998 (add_AT_vec): Likewise.
3999 (add_AT_string): Likewise.
4000 (add_AT_die_ref): Likewise.
4001 (add_AT_fde_ref): Likewise.
4002 (add_AT_loc): Likewise.
4003 (add_AT_loc_list): Likewise.
4004 (add_AT_addr): Likewise.
4005 (add_AT_lbl_id): Likewise.
4006 (add_AT_lineptr): Likewise.
4007 (add_AT_macptr): Likewise.
4008 (add_AT_offset): Likewise.
4009 (add_AT_range_list): Likewise.
4010 (get_AT): Use VEC_iterate.
4011 (remove_AT): Use VEC_ordered_remove.
4012 (free_die): Fold remove_children into here; have it use VEC_iterate.
4013 (print_die): Use VEC_iterate on attrs.
4014 (reverse_die_lists): Don't reverse attr lists.
4015 (die_checksum): Use VEC_iterate on attrs.
4016 (same_die_p): Likewise.
4017 (output_location_lists): Likewise.
4018 (build_abbrev_table): Likewise.
4019 (size_of_die): Likewise.
4020 (unmark_all_dies): Likewise.
4021 (output_abbrev_section): Likewise.
4022 (output_die): Likewise.
4023 (prune_unused_types_walk_attribs): Likewise.
4025 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4027 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4029 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4032 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4034 2006-04-09 Roger Sayle <roger@eyesopen.com>
4036 * expr.c (store_constructor): Don't bother clearing target if
4037 we're about to assign a vector to it using vec_init_optab.
4039 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4041 * tree-ssa-alias.c (lhs_may_store_to): New function.
4042 (recalculate_used_alone): Handle LHS of calls.
4044 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4048 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4049 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4050 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4051 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4052 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4053 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4054 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4055 stubs. Add ".align 8" directives before all ".dword" directives.
4056 (GTHREAD_USE_WEAK): Revise comment.
4057 (TARGET_ATTRIBUTE_WEAK): Define.
4058 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4059 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4060 * stublib.c: New file.
4065 * pa.md (cbranch patterns): Revise arguments used in calls to
4066 output_cbranch, output_bb and output_bvd. Add long branch length
4068 (fbranch patterns): Handle long branches.
4069 (jump): Revise length check. Revise arguments for output_lbranch call.
4070 Add long branch length attributes.
4071 (decrement_and_branch_until_zero): Add long branch length attributes.
4072 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4073 Likewise. Revise arguments for output_parallel_addb and
4074 output_parallel_movb calls.
4075 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4076 output_parallel_movb and output_parallel_addb): Update prototypes.
4077 * pa.c (output_cbranch): Revise arguments. Correct handling of
4078 nullification in long branches.
4079 (output_lbranch): Add new argument to control extraction of delay
4081 (output_bb): Handle long branches.
4082 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4083 output_parallel_addb): Likewise.
4085 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4087 PR rtl-optimization/27073
4088 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4091 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4093 * tree.h (tree_memory_tag): Add old_used_alone.
4094 (SMT_OLD_USED_ALONE): New macro.
4095 * tree-ssa-alias.c (recalculate_used_alone): Stop
4096 marking things for renaming unnecessarily.
4098 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4100 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4101 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4102 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4103 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4104 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4105 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4106 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4107 spelling convensions.
4108 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4109 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4110 typos. Follow spelling conventions.
4112 2006-04-07 DJ Delorie <dj@redhat.com>
4114 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4115 passed on the stack.
4116 (m32c_init_cumulative_args): When a function returns a structure,
4117 always pass the pointer to that return area on the stack.
4118 (m32c_function_arg_advance): Don't increment the parameter number
4119 if we're processing the returned structure pointer.
4120 (pushm_info): Reverse order of registers.
4122 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4124 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4125 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4126 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4127 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4129 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4130 chrec_fold_multiply): Same.
4131 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4132 force_expr_to_var_cost): Same.
4133 * tree-mudflap.c (mf_xform_derefs_1): Same.
4134 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4136 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4138 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4139 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4142 2006-04-07 Jan Hubicka <jh@suse.cz>
4144 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4146 2006-04-07 Richard Guenther <rguenther@suse.de>
4148 PR tree-optimization/26135
4149 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4150 loads for store copy-prop.
4151 (copy_prop_visit_stmt): Likewise.
4153 2006-04-05 Robert Millan <robertmh@gnu.org>
4155 * config/i386/linux.h: Add a comment to mark macros that are
4156 being overriden in config/k*bsd-gnu.h.
4157 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4159 * config/knetbsd-gnu.h: Ditto.
4161 2006-04-06 Jan Hubicka <jh@suse.cz>
4165 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4168 2006-04-06 Mike Stump <mrs@apple.com>
4170 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4171 for HAVE_nonlocal_goto to be consistent.
4172 (expand_builtin_nonlocal_goto): Likewise.
4173 (expand_builtin_strcmp): Use #ifdef instead of #if
4174 for HAVE_cmpstrnsi to be consistent.
4176 2006-04-05 DJ Delorie <dj@redhat.com>
4178 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4181 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4183 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4184 got-relative addressing for anything but SImode.
4186 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4187 even if the calling function doesn't modify them.
4189 2006-04-05 Richard Guenther <rguenther@suse.de>
4191 PR tree-optimization/26919
4192 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4193 to cgraph_estimate_size_after_inlining.
4195 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4197 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4199 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4201 PR tree-optimization/26996
4202 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4203 VECTOR_TYPE variables.
4205 2006-04-05 Richard Guenther <rguenther@suse.de>
4207 PR tree-optimization/26763
4208 * fold-const.c (fold_comparison): Move folding of
4209 PTR + CST CMP PTR + CST ...
4210 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4212 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4214 * doc/install.texi (Prerequisites): Refine some wording on
4215 bootstrapping and ksh.
4216 Move the version numbers of DejaGnu here from the testing section
4217 and fix casing of names.
4218 Fix markup and clarify wording for autogen requirements.
4219 Refer to GCJ instead of just java.
4220 Refer to SVN instead of CVS.
4221 Describe diffutils as useful instead of necessary.
4222 (Downloading the source): Refer to SVN instead of CVS.
4223 Adjust a link to our web site accordingly.
4224 (Configuration): Fix casing of Bison.
4225 (Building): Refer to SVN instead of CVS.
4226 Fix a sentence on the use of Bison and remove duplicate (and
4227 incorrect) version number of Bison requirement.
4228 Remove one redundant list of packages needed for building.
4229 (Specific): Avoid reference to CVS.
4231 2006-04-04 Eric Christopher <echristo@apple.com>
4233 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4234 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4235 (rs6000_handle_struct_attribute): New.
4236 (rs6000_ms_bitfield_layout_p): Ditto.
4238 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4240 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4241 NULL for dso parameter to atexit_common.
4243 2006-04-04 Eric Christopher <echristo@apple.com>
4245 * config/i386/i386.c (machopic_output_stub): Output \t
4246 between instructions and operands.
4248 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4250 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4251 satisfies_constraint_[IL] to explicit tests on value.
4253 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4255 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4256 set_nb_iterations_in_loop): Use build_int_cst instead of
4258 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4259 build_int_cst instead of convert.
4261 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4263 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4264 new value 2 for incoming.
4265 * function.c (expand_function_start): Call struct_value_rtx
4267 * config/sparc/sparc.md: Comment updated_return.
4268 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4269 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4270 struct return if sparc_std_struct_return and incoming is 2.
4271 (print_operand): Do not adjust return if
4272 sparc_std_struct_return.
4274 2006-04-04 Roger Sayle <roger@eyesopen.com>
4276 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4277 convert in the middle-end.
4278 * expr.c (store_expr, store_constructor, get_inner_reference,
4279 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4281 * tree.c (build_range_type): Likewise.
4283 2006-04-04 Tom Tromey <tromey@redhat.com>
4285 * doc/install.texi (Prerequisites): Mention jar.
4287 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4289 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4292 2006-04-04 Matthias Klose <doko@debian.org>
4294 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4295 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4298 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4300 * doc/extend.texi (Function Attributes): Rewrite visibility
4301 attribute documentation.
4302 * doc/invoke.texi (C++ Dialect Options): Rewrite
4303 -fvisibility-inlines-hidden documentation to describe something
4304 entirely different, although in practise compatible.
4305 (Code Gen Options): Warn about system headers in -fvisibility=
4308 * doc/extend.texi (Other Builtins): Document that
4309 __builtin_nan is a compile-time constant only when its argument
4312 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4314 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4315 trying to remove TRUNCATE check if all bits outside the new mode
4316 are identical to the sign bit.
4318 2006-04-03 Jeff Law <law@redhat.com>
4320 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4321 and operand scanning in some common cases.
4323 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4324 Dale Johannesen <dalej@apple.com>
4327 * regclass.c (struct reg_pref): Update documentation.
4328 (regclass): Set prefclass to NO_REGS if memory is the best option.
4329 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4330 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4331 into account. For non-registers, equate an empty preferred
4332 reload class to a `!' in the constraint; move the if clause to
4333 do so after those that reject the insn.
4334 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4336 (find_dummy_reload): Likewise.
4337 * doc/tm.texi (Register Classes): Document what it means
4338 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4339 * config/i386/i386.c (ix86_preferred_reload_class): Force
4340 using SSE registers (and return NO_REGS for floating-point
4341 constants) if math is done with SSE.
4342 (ix86_preferred_output_reload_class): New.
4343 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4344 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4345 * config/i386/i386.md: Remove # register preferences.
4347 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4350 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4351 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4352 the type of nb_iter.
4353 (instantiate_parameters_1): Convert the operands before calling
4354 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4355 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4357 2006-04-02 Roger Sayle <roger@eyesopen.com>
4359 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4360 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4362 * dojump.c (do_jump): Likewise.
4363 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4364 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4365 gimplify_boolean_expr): Likewise.
4366 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4367 * varasm.c (array_size_for_constructor): Likewise.
4368 * tree-object-size.c (compute_object_offset): Likewise.
4370 2006-04-02 Roger Sayle <roger@eyesopen.com>
4373 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4374 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4376 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4378 PR tree-optimization/26939
4379 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4381 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4383 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4384 at_stmt. Convert the type of operands before calling
4385 build_polynomial_chrec.
4386 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4388 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4389 (instantiate_parameters_1): Convert the type of operands before calling
4390 build_polynomial_chrec.
4391 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4392 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4393 reset_evolution_in_loop): Insert asserts to check the types of the
4395 (chrec_type): Moved...
4396 (eq_evolutions_p): Use operand_equal_p.
4397 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4398 the types of the operands.
4399 (chrec_type): ...here.
4400 * tree-data-ref.c (create_data_ref): Convert the operands before
4401 calling chrec_replace_initial_condition.
4402 (same_access_functions, analyze_subscript_affine_affine,
4403 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4404 (compute_subscript_distance, analyze_ziv_subscript,
4405 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4406 analyze_miv_subscript): Convert the operands before calling
4407 chrec_fold_minus or chrec_fold_plus.
4409 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4411 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4412 the dependence_relations vector.
4413 (compute_data_dependences_for_loop): Adjust call to
4414 compute_all_dependences.
4416 2006-04-01 Roger Sayle <roger@eyesopen.com>
4417 Richard Henderson <rth@redhat.com>
4419 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4420 gimple_boolify on the condition before calling gimplify_expr.
4422 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4424 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4425 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4426 the frame size. Update to use the new macros.
4427 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4428 * config/xtensa/ieee754-df.S: Likewise.
4430 2006-03-31 Richard Henderson <rth@redhat.com>
4432 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4433 (make_edges): ... here. Control fallthru creation with a local
4434 variable. Do not play with fake edges.
4435 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4436 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4439 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4441 * dwarf2.h (DW64_CIE_ID): Define.
4442 * dwarf2out.c (DWARF_CIE_ID): Define.
4443 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4444 length header. Use DWARF_CIE_ID.
4445 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4446 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4448 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4450 * config/sh/linux-atomic.asm: New file.
4451 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4453 2006-03-31 DJ Delorie <dj@redhat.com>
4455 * config/m32c/cond.md: Set condition flags properly throughout.
4456 * config/m32c/minmax.md: Likewise.
4457 * config/m32c/prologue.md: Likewise.
4458 * config/m32c/bitops.md: Likewise.
4459 * config/m32c/muldiv.md: Likewise.
4460 * config/m32c/mov.md: Likewise.
4461 * config/m32c/addsub.md: Likewise.
4462 * config/m32c/m32c.md: Likewise.
4463 * config/m32c/jump.md: Likewise.
4464 * config/m32c/shift.md: Likewise.
4466 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4467 conditionally output the pattern for this.
4468 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4469 (m32c_compare_redundant): New.
4470 (m32c_output_compare): New.
4471 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4473 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4474 dest, not src. Allow other 4-byte modes.
4476 2006-03-30 Denis Chertykov <denisc@overta.ru>
4478 * doc/md.texi: Refer to avr/constraints.md instead of
4481 2006-03-30 Roger Sayle <roger@eyesopen.com>
4483 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4484 signed vs. unsigned comparison failures on some hosts.
4486 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4489 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4490 change to FLOAT_REGS.
4492 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4493 (rs6000_override_options): Use it.
4494 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4495 only for -mabi=spe/no-spe and -mabi=altivec.
4497 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4499 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4502 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4504 * Makefile.in: Rename docdir to gcc_docdir.
4506 2006-03-30 Roger Sayle <roger@eyesopen.com>
4509 * expr.c (emit_group_store): Optimize group stores into a pseudo
4510 register by using a paradoxical subreg to initialize the destination
4511 if the first or last member of the group specifies a "low part".
4513 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4516 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4517 * target.h (struct gcc_target.speculate_insn): Change type of the
4518 second parameter to 'int'.
4519 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4520 the second operand of the DEPS_LIST.
4521 (copy_DEPS_LIST_list): Update reference to the second operand of the
4523 * rtl.h (alloc_DEPS_LIST): Update signature.
4524 * sched-int.h (ds_t): Change typedef to 'int'.
4525 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4527 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4529 * haifa-sched.c (try_ready): Change condition to restore
4530 non-speculative pattern of the instruction.
4531 (process_insn_depend_be_in_spec): Code to keep probability of the
4532 speculative dependence non-decreasing.
4534 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4536 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4537 (single_move_for_movmem): ... this. Also change all uses.
4538 (bfin_expand_strmov): Renamed to...
4539 (bfin_expand_movmem): ... this. Also change all uses.
4540 * config/bfin/bfin.md (movstrsi): Renamed to...
4541 (movstrsi): ...this.
4543 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4545 PR tree-optimization/26830
4547 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4548 (copy_prop_visit_stmt): Remove write-only variable ann.
4549 (init_copy_prop): Check variable loop depth here. Do not simulate
4550 memory-tag and virtual operand PHIs except for store copy prop.
4552 2006-03-30 Richard Guenther <rguenther@suse.de>
4554 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4555 variants with double arguments.
4557 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4559 * genpreds.c (write_tm_constrs_h): Delete variable p.
4560 * genconditions.c (write_header): Add tm-constrs.h to included
4562 * genpeep.c (main): Add toplev.h to included headers.
4563 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4564 (build/genpeep.o): Add toplev.h dependency.
4565 * config/rs6000/constraints.md: Add "W" constraint.
4567 2006-03-29 Roger Sayle <roger@eyesopen.com>
4569 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4570 sizes by correctly testing whether the size fits a host integer.
4571 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4572 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4573 SImode range for the default sizetype and bitsizetype.
4575 2006-03-29 Roger Sayle <roger@eyesopen.com>
4577 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4578 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4579 quickly if the argument is already of the correct type.
4580 Call fold_build1 instead of build1. Tidy up blank lines.
4582 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4584 * genemit.c (main): Add tm-constrs.h to included headers.
4585 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4586 * genpeep.c (main): Add tm-constrs.h to included headers.
4587 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4588 (write_tm_constrs_h): this and write complete file.
4589 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4590 (write_insn_preds_c): Add tm-constrs.h to included headers.
4591 (gen_constrs): New variable.
4592 (parse_option): Parse "-c".
4593 (main): Invoke write_tm_constrs_h.
4594 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4595 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4596 (object_out_file): Add tm-constrs.h dependency.
4597 (insn-emit.o): Same.
4598 (insn-output.o): Same.
4599 (insn-peep.o): Same.
4600 (insn-preds.o): Same.
4601 (insn-recog.o): Same.
4602 (tm-constsr.h): New target.
4603 (s-constrs-h): New target.
4605 * config/rs6000/constraints.md: New file.
4606 * config/rs6000/rs6000.c: Include tm-constrs.h.
4607 (num_insn_constant_wide): Convert to satisfies_constraint.
4608 (rs6000_rtx_costs): Convert to satisfies_constraint.
4609 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4610 (CONST_OK_FOR_LETTER_P): Delete.
4611 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4612 (EXTRA_CONSTRAINT): Delete.
4613 (EXTRA_MEMORY_CONSTRAINT): Delete.
4614 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4615 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4616 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4617 satisfies_constraint.
4619 * config/i386/i386.c: Include tm-constrs.h.
4621 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4623 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4624 * tree-data-ref.c (find_data_references_in_loop,
4625 compute_data_dependences_for_loop): Use pointers to VEC.
4626 (analyze_all_data_dependences): Adjust calls.
4627 * tree-data-ref.h (find_data_references_in_loop,
4628 compute_data_dependences_for_loop): Adjust declarations.
4629 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4630 compute_data_dependences_for_loop.
4632 2006-03-29 Paul Brook <paul@codesourcery.com>
4634 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4637 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4639 PR tree-optimization/26859
4640 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4642 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4643 for the step after fold_convert.
4645 2006-03-29 Paul Brook <paul@codesourcery.com>
4647 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4648 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4650 2006-03-29 Paul Brook <paul@codesourcery.com>
4653 * targhooks.c (default_narrow_bitfield): New fuction.
4654 * targhooks.h (default_narrow_bitfield): add prototype.
4655 * target.h (gcc_target): Add narrow_volatile_bitfield.
4656 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4657 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4658 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4659 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4661 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4663 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4665 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4666 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4667 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4668 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4669 (s390_function_arg_float): Allow SDmode and DDmode values to be
4670 passed in floating point registers.
4671 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4672 check with SCALAR_FLOAT_MODE_P.
4673 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4675 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4677 PR tree-optimization/25985
4678 * tree-ssa-loop-niter.c (number_of_iterations_le,
4679 number_of_iterations_ne): Make comments more precise.
4680 (number_of_iterations_cond): Add only_exit argument. Use the
4681 fact that signed variables do not overflow only when only_exit
4683 (loop_only_exit_p): New.
4684 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4685 number_of_iterations_cond.
4687 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4689 PR tree-optimization/26643
4690 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4693 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4695 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4696 (divsi3_i4_int): Likewise.
4698 2006-03-28 Roger Sayle <roger@eyesopen.com>
4700 * expr.c (emit_group_store): Only create a new pseudo reg if the
4701 quantity it needs to hold isn't already a suitable pseudo.
4703 2006-03-28 Jeff Law <law@redhat.com>
4705 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4706 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4708 2006-03-28 Roger Sayle <roger@eyesopen.com>
4710 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4711 the equivalent ~X & Y, and the symmetry related transformations.
4712 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4713 ~X & Y, and symmetry related transforms.
4715 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4717 Revert my 2006-03-27 patches.
4719 2006-03-28 Roger Sayle <roger@eyesopen.com>
4721 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4722 ~(T1)X, when T1 and T2 are integer types of the same precision
4723 and (T2)X isn't an extension.
4725 2006-03-28 Jeff Law <law@redhat.com>
4727 PR tree-optimization/26796
4728 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4729 need EH edge cleanups rather than purging them immediately.
4730 (eliminate_degenerate_phis): Handle queued EH cleanups.
4732 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4734 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4737 2006-03-27 Roger Sayle <roger@eyesopen.com>
4740 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4741 cast BIT_NOT_EXPR operand to the correct type.
4743 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4745 * tree-loop-linear.c: Don't include varray.h.
4746 (gather_interchange_stats, try_interchange_loops,
4747 linear_transform_loops): Use VEC instead of VARRAY.
4748 * lambda-mat.c: Don't include varray.h.
4749 * tree-chrec.c: Same.
4750 * lambda-trans.c: Same.
4751 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4752 VEC instead of VARRAY.
4753 * tree-vectorizer.h: Idem.
4754 * tree-data-ref.c (dump_data_references,
4755 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4756 initialize_data_dependence_relation, finalize_ddr_dependent,
4757 compute_all_dependences, find_data_references_in_loop,
4758 compute_data_dependences_for_loop, analyze_all_data_dependences,
4759 free_dependence_relation, free_dependence_relations,
4760 free_data_refs): Idem.
4761 * tree-data-ref.h (data_reference_p, subscript_p): New.
4762 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4763 VEC instead of VARRAY.
4764 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4765 (find_data_references_in_loop, compute_data_dependences_for_loop,
4766 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4767 dump_data_dependence_relations, free_dependence_relations,
4768 free_data_refs): Adjust declaration.
4769 (lambda_transform_legal_p): Move declaration here...
4770 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4771 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4772 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4773 vect_analyze_data_refs): Use VEC instead of VARRAY.
4774 * lambda.h (lambda_transform_legal_p): ...from here.
4775 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4776 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4777 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4778 tree-chrec.o): Don't depend on VARRAY_H.
4780 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4782 * rtl.def (Copyright): Update date.
4783 (DEPS_LIST): Change type of the second operand to 'int'.
4784 * target.h (Copyright): Update date.
4785 (struct gcc_target.speculate_insn): Change type of the second parameter
4787 * lists.c (Copyright): Update date.
4788 (alloc_DEPS_LIST): Change signature. Update reference to the second
4789 operand of the DEPS_LIST.
4790 (copy_DEPS_LIST_list): Update reference to the second operand of the
4792 * rtl.h (Copyright): Update date.
4793 (alloc_DEPS_LIST): Update signature.
4794 * sched-int.h (Copyright): Update date.
4795 (ds_t): Change typedef to 'int'.
4796 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4798 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4800 * haifa-sched.c (Copyright): Update date.
4801 (try_ready): Change condition to restore non-speculative pattern
4803 (process_insn_depend_be_in_spec): Code to keep probability of the
4804 speculative dependence non-decreasing.
4806 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4808 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4809 shut up the compiler.
4811 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4813 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4814 to use lib prefix for target.
4815 ($(T)libic_invalidate_array_4-200.a): Likewise.
4816 ($(T)libic_invalidate_array_4a.a): Likewise.
4818 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4819 J"orn Rennecke <joern.rennecke@st.com>
4821 * superh.opt: New file.
4822 * sh.c (boardtype, osruntime): Remove.
4823 * superh.h (SUBTARGET_OPTIONS): Remove.
4824 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4826 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4827 arguments with ^ and/or [].
4829 * config.gcc (sh-*-*): Add quoting to account for quirk of
4831 Replace == with = in enable_incomplete_targets test.
4833 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4834 with MASK_LITTLE_ENDIAN.
4836 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4837 * config/sh/sh.opt: Added to some comments.
4838 * config/sh/superh.h: Removed some chaff.
4840 * config/sh/sh.opt: Add m4-[1234]00* options.
4841 * config/sh/sh.c (sh_handle_option): Likewise.
4842 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4843 (ic_invalidate_array_4-100.o): New rule.
4844 ($(T)libic_invalidate_array_4-100.a): Likewise.
4845 (ic_invalidate_array_4-200.o): Likewise.
4846 ($(T)libic_invalidate_array_4-200.a): Likewise.
4847 (ic_invalidate_array_4a.o): Likewise.
4848 ($(T)libic_invalidate_array_4a.a): Likewise.
4849 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4850 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4852 * config/sh/crt1.asm: Merged in profiling code.
4853 * config/sh/superh.h (STARTFILE_SPEC): Override.
4854 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4855 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4856 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4858 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4859 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4860 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4862 * sh.opt (mpretend-cmove): New option.
4863 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4864 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4865 (movsicc): Add TARGET_PRETEND_CMOVE code.
4867 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4869 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4870 s390_class_max_nregs): New function prototypes.
4871 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4872 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4873 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4874 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4876 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4878 * dwarf2out.c (add_location_or_const_value_attribute): Call
4879 tree_add_const_value_attribute if nothing else works.
4880 (reference_to_unused): New.
4881 (rtl_for_decl_init): Use reference_to_unused to decide whether
4882 to output an initializer.
4884 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4887 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4888 peephole removing spe frob_di_df_2.
4890 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4892 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4893 (subscript_dependence_tester_1): Declared.
4894 (print_dir_vectors, print_dist_vectors): New.
4895 (debug_data_dependence_relation): New.
4896 (dump_data_dependence_relation): Print more details.
4897 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4898 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4899 (save_dist_v, save_dir_v, add_outer_distances,
4900 build_classic_dist_vector_1): New.
4901 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4902 Don't test for lambda_vector_lexico_pos.
4903 (same_access_functions, add_multivariate_self_dist,
4904 add_other_self_distances, dir_from_dist): New.
4905 (build_classic_dir_vector): Replace implementation almost identical to
4906 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4908 (subscript_dependence_tester_1): New.
4909 (subscript_dependence_tester): Handle the lexicographically negative
4910 distance vectors by recomputing the dependence relation.
4911 (compute_affine_dependence): Remove parameter loop_nest_depth.
4912 (compute_self_dependence): Don't call compute_subscript_distance.
4913 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4914 Add a parameter for the loop_nest.
4915 (find_loop_nest_1, find_loop_nest): New.
4916 (compute_data_dependences_for_loop): Compute the loop nest, and give
4917 up if the nest is not well formed.
4918 * tree-data-ref.h (loop_p): New.
4919 (struct data_dependence_relation): Replace size_vect field with
4920 loop_nest, a vec of loops.
4921 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4922 (DDR_LOOP_NEST): New.
4923 (print_dir_vectors, print_dist_vectors,
4924 debug_data_dependence_relation): Declared.
4925 (index_in_loop_nest): New.
4926 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4927 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4930 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4932 * simplify-rtx.c (simplify_relational_operation): Call
4933 simplify_relational_operation_1 even if mode is VOIDmode.
4935 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4937 PR tree-optimization/26804
4938 * tree.h (DECL_CALL_CLOBBERED): New macro.
4939 (tree_decl_common): Add call_clobbered_flag.
4940 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4941 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4942 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4943 (mark_non_addressable): Ditto.
4944 * tree-ssa.c (verify_call_clobbered): New function.
4945 (verify_alias_info): Use it.
4946 * tree-pass.h (pass_reset_cc_flags): New prototype.
4947 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4948 (reset_cc_flags): New function.
4949 * passes.c (init_optimization_passes): Call reset_cc_flags after
4950 initializing referenced_vars.
4952 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4953 Roger Sayle <roger@eyesopen.com>
4956 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4957 to 1.0 for non-real operands. Implement A / A optimization for
4960 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4962 * config/i386/i386.c (size_cost): Correct the comment for
4963 cost of storing fp registers.
4964 (i386_cost): Likewise.
4965 (i486_cost): Likewise.
4966 (pentium_cost): Likewise.
4967 (pentiumpro_cost): Likewise.
4968 (k6_cost): Likewise.
4969 (athlon_cost): Likewise.
4970 (k8_cost): Likewise.
4971 (pentium4_cost): Likewise.
4972 (nocona_cost): Likewise.
4973 (generic64_cost): Likewise.
4974 (generic32_cost): Likewise.
4976 2006-03-24 Denis Chertykov <denisc@overta.ru>
4978 * config/avr/avr-protos.h (extra_constraint): Delete.
4979 (extra_constraint_Q): New declaration.
4980 * config/avr/constraints.md: New file.
4981 * config/avr/avr.md: Include it.
4982 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4983 (TMP_REGNO, ZERO_REGNO): Likewise.
4984 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4985 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4986 (extra_constraint): Delete.
4987 (extra_constraint_Q): Test for memory constraint 'Q'.
4988 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4989 (REG_CLASS_FROM_LETTER): Delete.
4990 (CONST_OK_FOR_LETTER_P): Delete.
4991 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4992 (EXTRA_CONSTRAINT): Delete.
4993 (TMP_REGNO): Delete.
4994 (ZERO_REGNO): Delete.
4996 2006-03-24 Jeff Law <law@redhat.com>
4998 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4999 directly. Call mark_new_vars_to_rename slightly earlier.
5001 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5003 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5005 (gen_compile_unit_die): Use new language types for Objective-C and
5007 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5008 DW_LANG_C_plus_plus.
5011 * config/t-darwin (crt3.o): Work around bug 26840.
5012 * config/darwin-crt3.c: Rewrite.
5013 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5015 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5017 * doc/invoke.texi: Document -femit-class-debug-always
5018 * common.opt: Add -femit-class-debug-always.
5020 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5022 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5023 index and base register.
5024 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5025 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5026 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5027 REGNO_OK_FOR_INDEX_P.
5028 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5030 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5031 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5032 REG_OK_FOR_BASE_P): Definitions removed.
5034 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5037 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5038 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5039 set yet or weren't marked as local yet.
5041 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5043 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5046 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5048 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5049 (rs6000_legitimate_small_data_p): Delete.
5050 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5051 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5052 and make static. Add forward declaration. Update uses.
5053 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5054 of offsettable_memref_p.
5055 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5056 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5058 2006-03-24 Jeff Law <law@redhat.com>
5060 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5061 around bug in immediate-use iterator.
5063 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5066 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5067 or __LITTLE_ENDIAN__.
5069 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5071 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5072 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5073 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5074 * config/sh/sh.opt (mdiv=): Amend description.
5075 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5076 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5077 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5078 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5079 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5080 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5081 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5082 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5083 TARGET_DIVIDE_CALL_FP.
5085 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5087 * haifa-sched.c (choose_ready): Fix type of the local variable.
5088 Move local variables. Add comment.
5089 (check_reg_live): Change signature. Make callable from debugger.
5090 * sched-int.h (check_reg_live): Update signature.
5091 * sched-ebb.c (check_reg_live): Update parameters.
5092 * sched-rgn.c (check_reg_live): Ditto.
5093 (region_head_or_leaf_p): Check pointer before dereferencing.
5094 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5095 before reload on optimization levels below 1.
5097 2006-03-23 Richard Henderson <rth@redhat.com>
5099 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5103 * config/alpha/predicates.md (local_symbolic_operand): Reject
5106 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5109 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5110 expressions which have overflowed constants.
5112 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5114 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5116 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5118 * cfgloopmanip.c (create_loop_notes): Removed.
5119 * final.c (final_scan_insn): Do not handle loop notes.
5120 * jump.c (squeeze_notes): Ditto.
5121 * cfglayout.c (skip_insns_after_block,
5122 duplicate_insn_chain): Ditto.
5123 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5125 * cfgloop.h (create_loop_notes): Declaration removed.
5127 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5129 * varasm.c (output_constant_pool): Restore fnname and fndecl
5131 (assemble_start_function): Adjust call accordingly.
5132 (assemble_end_function): Likewise.
5134 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5137 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5140 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5142 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5145 * system.h (ICE_EXIT_CODE): New macro.
5146 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5147 (diagnostic_action_after_output): Likewise.
5148 * gcc.c (fatal_ice): New function.
5149 (execute): Use it instead of fatal.
5150 (fancy_abort): Likewise.
5151 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5153 2006-03-22 Jeff Law <law@redhat.com>
5155 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5156 iv_analyze_result returning false.
5158 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5160 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5162 2006-03-22 Richard Henderson <rth@redhat.com>
5165 * except.c (duplicate_eh_regions_0): New.
5166 (duplicate_eh_region_1): Duplicate the children of the node as
5167 well as the node itself. Link them up properly.
5168 (duplicate_eh_region_2): Merge into ...
5169 (duplicate_eh_regions): ... here. Take copy_region argument, and
5170 copy only a sub-tree if asked. Simplify copying and fixup.
5171 (eh_region_outer_p): New.
5172 * except.h (duplicate_eh_regions): Update decl.
5173 (eh_region_outer_p): Declare.
5174 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5175 (lower_omp_master): Likewise.
5176 (lower_omp_ordered): Likewise.
5177 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5178 (move_stmt_r): Use it to remap labels. Handle recursion vs
5179 remap_decls_p properly.
5180 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5181 (find_outermost_region_in_block): New.
5182 (new_label_mapper): New.
5183 (move_sese_region_to_fn): Copy eh information to the new function
5185 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5187 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5190 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5192 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5193 into shared libraries.
5195 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5197 * doc/md.texi: Refer to i386/constraints.md instead of
5199 * config/i386/constraints.md: New file, extracted from...
5200 * config/i386/predicates.md: ...here.
5201 * config/i386/i386.md: Include constraints.md.
5203 2006-03-21 Jason Merrill <jason@redhat.com>
5205 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5208 * expr.c (init_block_move_fn): Force default visibility.
5209 (init_block_clear_fn): Likewise.
5210 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5211 * targhooks.c (default_external_stack_protect_fail): Likewise.
5213 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5215 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5216 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5217 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5218 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5219 (loadgp): Use mips_current_loadgp_style.
5220 (loadgp_noshared): New pattern.
5221 (sibcall_internal): Use MIPS_CALL.
5222 (sibcall_value_internal): Likewise.
5223 (sibcall_value_multiple_internal): Likewise.
5224 (call_internal): Likewise.
5225 (call_value_internal): Likewise.
5226 (call_value_multiple_internal): Likewise.
5227 (call_split): Use MIPS_CALL and add an 'S' constraint.
5228 (call_value_split): Likewise.
5229 (call_value_multiple_split): Likewise.
5230 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5231 (-mshared): New option.
5232 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5233 (mips_current_loadgp_style): Declare.
5234 * config/mips/mips.c (mips_classify_symbol): Avoid using
5235 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5236 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5237 TARGET_ABSOLUTE_ABICALLS.
5238 (override_options): Adjust comments. Improve the warning that is
5239 issued when -mabicalls and -G are used together.
5240 (mips_file_start): Remove comment.
5241 (mips_current_loadgp_style): New function.
5242 (mips_gnu_local_gp): New variable.
5243 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5245 (mips_output_function_prologue): Use mips_current_laodgp_style.
5246 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5247 the cprestore instruction.
5248 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5249 live for TARGET_ABSOLUTE_ABICALLS.
5250 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5251 (ASM_SPEC): Pass down -mshared and -mno-shared.
5252 (MIPS_CALL): New macro.
5253 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5255 * doc/invoke.texi (-mabicalls): Update documentation.
5256 (-mshared): Document.
5258 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5260 * config/ia64/unwind-hpux.c: New file.
5261 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5263 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5266 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5268 2006-03-21 Jeff Law <law@redhat.com>
5270 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5271 type conversions of a VR_VARYING source to a wider type.
5273 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5275 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5276 tm_file on Solaris 10 and later.
5277 (sparc64-*-solaris2*): Likewise.
5278 (sparc-*-solaris2*): Likewise.
5279 * config/sol26.h: Rename to config/sol2-6.h.
5280 * config/sol2-10.h: New file.
5282 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5285 * tree-ssa-pre.c (create_component_ref_by_pieces):
5288 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5291 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5292 return it immediately.
5294 2006-03-21 Michael Matz <matz@suse.de>
5296 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5298 (remove_arc, add_arc): Update num_out_arcs member.
5299 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5301 (cache_presence): New function.
5302 (compare_states_for_equiv): New function.
5303 (state_is_differed): Don't take number of outargs, adjust callers.
5304 Use new invariant for speeding up.
5305 (init_equiv_class): Create initial classes based on sorted
5307 (partition_equiv_class): Don't track out_arcs_num.
5308 (evaluate_equiv_classes): Call cache_presence on all states and
5311 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5313 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5314 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5315 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5316 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5318 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5319 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5320 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5321 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5322 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5324 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5325 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5326 (REGNO_REG_CLASS): ARGP is in PREGS.
5327 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5329 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5330 to deal with those addresses.
5331 * addresses.h: New file.
5332 * caller-save.c: Include "addresses.h".
5333 (init_caller_save): Use new base_reg_class function.
5334 * rtl-factoring.c: Include "addresses.h".
5335 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5336 * recog.c: Include "addresses.h".
5337 (preprocess_constraints): Use new base_reg_class function.
5338 * regrename.c: Include "addresses.h".
5339 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5340 functions. Keep track of a new var INDEX_CODE to compute valid
5342 (replace_oldest_value_addr): Likewise.
5343 (replace_oldest_value_mem): Use base_reg_class.
5344 * reload.c: Include "addresses.h".
5345 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5346 (find_reloads): Use new base_reg_class function.
5347 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5348 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5349 all callers and prototype changed.
5350 * reload1.c: Include "addresses.h".
5351 (maybe_fix_stack_asms): Use base_reg_class.
5352 * regclass.c: Include "addresses.h".
5353 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5354 (init_reg_autoinc): Use new base_reg_class function.
5355 (record_reg_classes): Likewise.
5356 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5357 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5358 Use new args to compute necessary class.
5360 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5361 regrename.o, rtl-factoring.o): Update dependencies.
5362 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5363 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5364 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5365 REG_OK_FOR_INDEX_P): Delete documentation.
5367 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5369 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5370 from V7 to V9 for Solaris 7 and above.
5372 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5374 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5375 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5376 argument pointers may not alias any other storage.
5377 * common.opt: Define option -fargument-noalias-anything.
5378 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5379 alias semantics is specified by flag_argument_noalias > 2.
5381 2006-03-20 Jeff Law <law@redhat.com>
5383 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5384 (pass_phi_only_cprop): Declare.
5385 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5387 * tree-ssa-dom.c (degenerate_phi_result): New function.
5388 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5389 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5390 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5391 (eliminate_degenerate_phis): Likewise.
5392 (pass_phi_only_cprop): New pass descriptor.
5393 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5394 support code. Callers updated.
5395 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5396 (store_copy_prop): Likewise.
5397 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5399 2006-03-20 Jason Merrill <jason@redhat.com>
5402 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5403 (push_visibility, pop_visibility): Likewise.
5404 * c-pragma.h: Declare them.
5406 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5408 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5410 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5411 parameter and use get_ebb_head_tail.
5412 (sh_md_init_global): Adjust uses of find_regmode_weight.
5414 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5416 * function.h (struct function) <x_tail_recursion_reentry>:
5417 Rename to x_stack_check_probe_note.
5418 (tail_recursion_reentry): Rename to stack_check_probe_note.
5419 * function.c: Replace tail_recursion_reentry with
5420 stack_check_probe_note everywhere.
5421 (expand_function_start): Only emit a note for
5422 stack_check_probe_note with -fstack-protect.
5423 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5425 * emit-rtl.c (remove_unnecessary_notes): Remove.
5426 (pass_remove_unnecessary_notes): Remove.
5427 * rtl.h (remove_unnecessary_notes): Remove prototype.
5428 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5429 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5430 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5432 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5435 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5436 (valid_in_set): Handle ARRAY_REF.
5437 Change "if min_variant or VH" to asserts.
5438 (create_component_ref_by_pieces): Handle ARRAY_REF.
5439 (create_expression_by_pieces): Likewise.
5440 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5442 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5444 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5445 is operand of switch, not str[0].
5447 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5449 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5450 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5452 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5454 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5455 end of insn_extra_address_constraint declaration.
5457 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5459 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5460 (no-sum-in-toc): Same.
5461 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5463 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5464 NO_FP_IN_TOC for -fPIC instead of mask.
5466 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5467 (BOOT_LDFLAGS): Delete.
5469 * config/rs6000/t-aix52: Same.
5471 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5472 (stmsi[345678]_power): New.
5474 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5476 * config/ia64/ia64.opt: Add empty line to end of file.
5478 2006-03-17 Richard Guenther <rguenther@suse.de>
5481 * builtins.c (get_pointer_alignment): For component style references
5482 adjust alignment to the component type alignment. Make sure
5483 to adjust alignment for component access of constants.
5485 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5487 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5490 2006-03-17 Paul Brook <paul@codesourcery.com>
5492 * doc/install.texi: Docuemnt --with-mode.
5493 * config.gcc: Add --with-mode for arm*-*-*.
5494 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5496 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5498 * sh.c (max_labelno_before_reorg): New variable.
5499 (sh_reorg): Initialize it.
5500 (find_barrier): Check max_labelno_before_reorg before using
5501 label_to_alignment. Take length of explicit alignment insns
5502 into account. When seeing a UNSPECV_CONST_END, return it.
5504 * sh.c (fixup_mova): Set mode of affected label to QImode.
5505 (untangle_mova): New function.
5506 (find_barrier): Use it. Check mode of label before decrementing
5508 (sh_reorg): Likewise.
5509 Set mode of all insns back to VOIDmode.
5511 * sh.c (MOVA_LABELREF): New macro.
5512 (mova_p, fixup_mova, sh_reorg): Use it.
5513 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5514 ADDR_DIFF_VEC matches mova.
5516 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5518 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5519 with ATTRIBUTE_UNUSED.
5521 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5523 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5524 pointer, instead of assuming it is possible to derive the
5525 correct args size from a call insn.
5527 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5529 * rtl.h (CONST_INT_P): Define.
5530 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5531 instead of GET_CODE(x) == CONST_INT.
5532 (vax_rtx_costs): Likewise.
5533 (vax_output_int_move): Likewise.
5534 (vax_output_int_add): Likewise.
5535 (legitimate_constant_address_p): Likewise.
5536 (index_term_p): Likewise.
5537 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5538 * config/vax/vax.md (and<mode>3): Likewise.
5539 (ashrsi3): Likewise.
5541 (movstricthi): Likewise.
5542 (movstrictqi): Likewise.
5543 (rotrsi3): Likewise.
5544 (five unnamed insns): Likewise.
5546 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5548 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5549 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5550 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5551 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5552 Pass to ASM_OUTPUT_DWARF_OFFSET.
5553 * dwarf2out.c (debug_frame_section): New.
5554 (output_call_frame_info): Use debug_frame_section. Pass it to
5555 dw2_asm_output_offset.
5556 (output_die): Pass appropriate section to dw2_asm_output_offset.
5557 (output_compilation_unit_header): Likewise.
5558 (output_pubnames): Likewise.
5559 (output_aranges): Likewise.
5560 (enum dw_val_class): Break dw_val_class_lbl_offset into
5561 dw_val_class_lineptr and dw_val_class_macptr.
5562 (add_AT_lbl_offset): Delete.
5563 (add_AT_lineptr): New.
5564 (add_AT_macptr): New.
5565 (AT_lbl): Expect a lineptr or macptr.
5566 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5567 (attr_checksum): Likewise.
5568 (same_dw_val_p): Likewise.
5569 (size_of_die): Likewise.
5570 (value_format): Likewise.
5571 (output_die): Likewise.
5572 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5574 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5575 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5576 * config/darwin-protos.h (darwin_file_start): New.
5577 (darwin_asm_output_dwarf_offset): New.
5578 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5579 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5581 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5582 if not EH section; simplify.
5583 (darwin_file_start): New.
5584 (darwin_asm_output_dwarf_offset): New.
5585 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5587 (DEBUG_INFO_SECTION): Likewise.
5588 (DEBUG_ABBREV_SECTION): Likewise.
5589 (DEBUG_ARANGES_SECTION): Likewise.
5590 (DEBUG_MACINFO_SECTION): Likewise.
5591 (DEBUG_LINE_SECTION): Likewise.
5592 (DEBUG_LOC_SECTION): Likewise.
5593 (DEBUG_PUBNAMES_SECTION): Likewise.
5594 (DEBUG_STR_SECTION): Likewise.
5595 (DEBUG_RANGES_SECTION): Likewise.
5596 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5597 (ASM_OUTPUT_DWARF_OFFSET): New.
5599 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5601 * config.gcc (tm_defines): Always add to previous value rather
5604 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5606 * config/mips/predicates.md (splittable_const_int_operand): New,
5607 split from move_operand.
5608 (splittable_symbolic_operand): New.
5609 (move_operand): Add commentary. Use splittable_const_int_operand.
5610 Inline mips_atomic_symbolic_constant_p.
5611 * config/mips/mips.md: Add combine splitters for handling moves
5612 of splittable_const_int_operands and splittable_symbolic_operands.
5613 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5614 (mips_split_symbol): Declare.
5615 (mips_move_integer): Declare.
5616 * config/mips/mips.c (mips_split_p): Make global.
5617 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5618 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5619 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5620 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5621 (mips_offset_within_object_p): Handle block symbols.
5622 (mips_atomic_symbolic_constant_p): Delete.
5623 (mips_cannot_force_const_mem): Return false for constants that
5624 mips_legitimize_move can handle.
5625 (mips_use_blocks_for_constant_p): New function.
5626 (mips_split_symbol): Make global.
5627 (mips_move_integer): Likewise. Add a temporary register argument.
5628 (mips_legitimize_const_move): Use splittable_const_int_operand and
5629 splittable_symbolic_operand.
5630 (mips_use_anchors_for_symbol_p): New function.
5631 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5632 (mips_split_p): Declare.
5634 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5636 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5637 (mips*-*-linux*): Likewise.
5639 2006-03-16 Roger Sayle <roger@eyesopen.com>
5640 Daniel Speyer <dspeyer@wam.umd.edu>
5643 * tree-dump.c (dump_real): New function.
5644 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5645 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5646 (tree-dump.o): Add $(REAL_H) to the dependencies.
5648 2006-03-16 Roger Sayle <roger@eyesopen.com>
5651 * real.c (real_from_string): If the mantissa is zero, don't bother
5652 parsing the exponent as the result should always be zero.
5654 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5656 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5658 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5660 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5661 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5662 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5663 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5664 ia64_sched_finish_global): New static functions to implement
5665 hooks from gcc_target.sched.
5666 (spec_check_no, max_uid, pending_data_specs): New static variables.
5667 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5668 ia64_spec_check_src_p): New static functions.
5669 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5670 (TARGET_SCHED_ADJUST_COST): Removed.
5671 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5672 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5673 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5674 TARGET_SCHED_GEN_CHECK,
5675 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5676 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5677 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5678 Fixed to handle speculation checks.
5679 (rtx_needs_barrier): Fixed to handle speculative loads and
5681 (ia64_variable_issue): Added code to count speculative loads and their
5683 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5685 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5687 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5689 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5690 (ia64_reorg): Reset stops_p to NULL after it is freed.
5691 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5692 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5693 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5695 (data_speculative, control_speculative, check_load): New attributes.
5696 (mov<mode>_advanced, mov<mode>_speculative,
5697 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5698 zero_extend<mode>di2_speculative,
5699 zero_extend<mode>di2_speculative_advanced): New patterns for
5700 data and control speculative loads.
5701 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5703 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5704 New pattern for data and control speculation checks.
5705 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5706 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5707 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5708 Auxiliary definitions for the patterns.
5709 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5710 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5712 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5714 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5715 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5716 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5717 New resource constraints.
5718 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5720 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5721 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5722 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5723 msched-in-control-spec, msched-ldc, msched-control-ldc,
5724 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5725 msched-prefer-non-control-spec-insns,
5726 msched-count-spec-in-critical-path): New flags to tune speculative
5728 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5729 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5730 msched-in-control-spec, msched-ldc, msched-control-ldc,
5731 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5732 msched-prefer-non-control-spec-insns,
5733 msched-count-spec-in-critical-path): Document new flags.
5735 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5737 * target.h (struct spec_info_def): New opaque declaration.
5738 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5739 speculate_insn, needs_block_p, gen_check,
5740 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5741 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5742 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5743 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5744 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5745 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5747 (TARGET_SCHED): Use new macros.
5748 * rtl.h (copy_DEPS_LIST_list): New prototype.
5749 * sched-int.h (struct sched_info): Change signature of new_ready field,
5750 adjust all initializations. New fields: add_remove_insn,
5751 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5752 region_head_or_leaf_p.
5753 (struct spec_info_def): New structure declaration.
5754 (spec_info_t): New typedef.
5755 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5756 recovery_block, orig_pat.
5757 (glat_start, glat_end): New variables declaraions.
5758 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5760 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5761 DETACH_LIFE_INFO, USE_GLAT.
5762 (enum SPEC_SCHED_FLAGS): New enumeration.
5763 (NOTE_NOTE_BB_P): New macro.
5764 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5765 attach_life_info, debug_spec_status, check_reg_live): New functions.
5766 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5767 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5769 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5770 * ddg.c (get_block_head_tail): Adjust all uses.
5771 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5772 (sms_sched_info): Initialize new fields.
5773 (contributes_to_priority): Removed.
5774 * haifa-sched.c (params.h): New include.
5775 (get_block_head_tail): Adjust all uses.
5776 (ISSUE_POINTS): New macro.
5777 (glat_start, glat_end): New global variables.
5778 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5779 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5780 old_last_basic_block, before_recovery, current_sched_info_var,
5781 rgn_n_insns, luid): New static variables.
5782 (insn_cost1): New function. Move logic from insn_cost to here.
5783 (find_insn_reg_weight1): New function. Move logic from
5784 find_insn_reg_weight to here.
5785 (reemit_notes, move_insn, max_issue): Change signature.
5786 (move_insn1): Removed.
5787 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5788 extend_bb): New static functions to support extension of scheduler's
5790 (generate_recovery_code, process_insn_depend_be_in_spec,
5791 begin_speculative_block, add_to_speculative_block,
5792 init_before_recovery, create_recovery_block, create_check_block_twin,
5793 fix_recovery_deps): New static functions to support
5794 generation of recovery code.
5795 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5796 restore_bb_notes, move_block_after_check, move_succs): New static
5797 functions to support ebb scheduling.
5798 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5799 functions to support handling of register live information.
5800 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5801 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5802 add_jump_dependencies): New static functions.
5803 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5804 consistancy checking.
5805 (debug_spec_status): New function to call from debugger.
5806 (priority): Added code to handle speculation checks.
5807 (rank_for_schedule): Added code to distinguish speculative instructions.
5808 (schedule_insn): Added code to handle speculation checks.
5809 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5810 Fixed to handle ebbs.
5811 (move_insn): Added code to handle ebb scheduling.
5812 (max_issue): Added code to use ISSUE_POINTS of instructions.
5813 (choose_ready): Added code to choose between speculative and
5814 non-speculative instructions.
5815 (schedule_block): Added code to handle ebb scheduling and scheduling of
5816 speculative instructions.
5817 (sched_init): Initialize new variables.
5818 (sched_finish): Free new variables. Print statistics.
5819 (try_ready): Added code to handle speculative instructions.
5820 * lists.c (copy_DEPS_LIST_list): New function.
5821 * sched-deps.c (extend_dependency_caches): New function. Move logic
5822 from create_dependency_caches to here.
5823 (get_dep_weak, ds_merge): Make global.
5824 * genattr.c (main): Code to output prototype for
5825 dfa_clear_single_insn_cache.
5826 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5827 (output_dfa_clean_insn_cache_func): Code to output
5828 dfa_clear_single_insn_cache function.
5829 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5831 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5833 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5834 New static variables.
5835 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5836 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5838 (ebb_sched_info): Initialize new fields.
5839 (get_block_head_tail): Adjust all uses.
5840 (compute_jump_reg_dependencies): Fixed to use glat_start.
5841 (schedule_ebb): Code to remove unreachable last block.
5842 (schedule_ebbs): Added code to update register live information.
5843 * sched-rgn.c (region_sched_info): Initialize new fields.
5844 (get_block_head_tail): Adjust all uses.
5845 (last_was_jump): Removed. Adjust users.
5846 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5847 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5848 Implement new hooks.
5849 (check_dead_notes1): New static function.
5850 (struct region): New fields: dont_calc_deps, has_real_ebb.
5851 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5852 (BB_TO_BLOCK): Fixed to handle EBBs.
5853 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5854 (ebb_head): New static variable.
5855 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5856 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5858 (compute_dom_prob_ps): New assertion.
5859 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5860 global_live_at_start.
5861 (init_ready_list): New assertions.
5862 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5863 (new_ready): Add support for BEGIN_CONTROL speculation.
5864 (schedule_insns): Fixed code that updates register live information
5866 (schedule_region): Fixed to handle EBBs.
5867 (init_regions): Use extend_regions and check_dead_notes1.
5868 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5869 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5870 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5871 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5872 TARGET_SCHED_GEN_CHECK,
5873 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5874 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5875 * doc/invoke.texi (max-sched-insn-conflict-delay,
5876 sched-spec-prob-cutoff): Document.
5878 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5880 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5881 inter_tick, queue_index.
5882 (struct sched_info): Change signature of init_ready_list field.
5883 Adjust all initializations.
5884 (RESOLVED_DEPS): New access macro.
5885 (ready_add): Remove prototype.
5886 (try_ready): Add prototype.
5887 * sched-rgn.c (init_ready_list): Use try_ready.
5888 (schedule_region): Initialize
5889 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5890 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5891 (init_ready_list): Use try_ready.
5892 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5893 * lists.c (remove_list_elem): Remove `static'.
5894 (remove_free_INSN_LIST_elem): New function.
5895 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5896 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5897 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5899 (readyp): New variable.
5900 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5901 change_queue_index, resolve_dep): New static functions.
5902 (try_ready): New function. Adjust callers in sched-rgn.c and
5903 sched-ebb.c to use it instead of ready_add.
5904 (clock_var): Move at the begining of file.
5905 (rank_for_schedule): Fix typo.
5906 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5907 (ready_lastpos): Enforce assertion.
5908 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5910 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5911 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5912 (queue_to_ready): Use free_INSN_LIST_list.
5913 (early_queue_to_ready): Fix typo.
5914 (schedule_block): Init readyp. Move init_ready_list call after the
5915 initialization of clock_var. Fix error in rejecting insn by
5916 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5917 that previously corrected INSN_TICKs. Add code for handling
5919 (set_priorities): Fix typo.
5920 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5921 Clarify comment and code that keeps current_sched_info->next_tail
5924 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5926 * sched-rgn.c (extend_rgns): New static function.
5927 (find_rgns): Use it.
5928 (gather_region_statistics, print_region_statistics): New static
5930 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5931 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5933 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5934 Andrey Belevantsev <abel@ispras.ru>
5936 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5937 * lists.c (unused_deps_list): New variable.
5938 (free_list): Add assertions to verify the proper distinguishing
5939 between INSN_LISTs and DEPS_LISTs.
5940 (find_list_elem, remove_list_elem, remove_list_node): New static
5942 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5943 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5944 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5945 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5947 (free_INSN_LIST_node): Likewise.
5948 * modulo-sched.c (current_sched_info): Initialize flags field.
5949 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5950 * rtl.def (DEPS_LIST): Define.
5951 * rtl.h: Declare new functions from lists.c.
5952 * sched-deps.c (spec_dependency_cache): New static variable.
5953 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5954 (add_dependence): Change return type to void. Move the logic to ...
5955 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5956 (delete_all_dependences): Add comment about forward_dependency_cache.
5957 Handle spec_dependency_cache. Handle DEPS_LISTs.
5958 (fixup_sched_groups): Clarify the change of priority of output
5959 and anti dependencies.
5960 (sched_analyze_2): Adjust add_dependence calls to create data
5961 speculative dependence.
5962 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5963 Adjust all callers. Handle DEPS_LISTS.
5964 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5965 presence of speculation.
5966 (init_dependency_caches, free_dependency_caches):
5967 Handle spec_dependency_cache.
5968 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5969 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5970 New static functions.
5971 (add_or_update_back_dep, add_or_update_back_forw_dep,
5972 add_back_forw_dep, delete_back_forw_dep): New functions.
5973 * sched-int.h (ds_t, dw_t): New typedefs.
5974 (struct sched_info): Add new field flags.
5975 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5976 Prototype new sched-deps.c functions.
5977 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5978 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5979 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5980 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5981 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5982 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5984 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5986 * sched-rgn.c (current_sched_info): Initialize flags field.
5987 (schedule_insns): Initialize current_sched_info before the sched_init
5989 * sched-ebb.c (current_sched_info): Initialize flags field.
5990 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5991 Call add_or_update_back_dep instead of add_dependence.
5992 Create control speculative dependencies.
5993 (schedule_insns): Initialize current_sched_info before the sched_init
5996 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5998 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6000 (sh_fallback_frame_state): Likewise.
6002 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6004 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6005 Do switch on default_use_cxa_atexit.
6006 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6007 * config/darwin-crt3.o: New.
6008 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6009 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6010 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6012 * config/rs6000/t-darwin: Move crt2.o building to here.
6013 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6014 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6017 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6019 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6020 from '! xxx' to '!xxx' for coding-style conformance.
6021 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6022 (EXTRA_CONSTRAINT): Likewise.
6023 * config/vax/vax.md (four unnamed insns): Likewise.
6025 2006-03-15 Paul Brook <paul@codesourcery.com>
6027 * config/arm/arm.c (minipool_pad): New.
6028 (add_minipool_forward_ref): Include pool alignment padding in address
6030 (push_minipool_fix): Set minipool_pad.
6031 (minipool_pad): Ditto.
6033 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6035 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6036 instead of GET_CODE() == MEM and REG_P() instead of
6038 (print_operand_address): Likewise.
6039 (vax_address_cost): Likewise.
6040 (vax_rtx_costs): Likewise.
6041 (vax_notice_update_cc): Likewise.
6042 (vax_output_int_add): Likewise.
6043 (INDEX_REGISTER_P): Likewise.
6044 (BASE_REGISTER_P): Likewise.
6045 (nonindexed_address_p): Likewise.
6046 (vax_mode_dependent_address_p): Likewise.
6047 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6048 (PRINT_OPERAND): Likewise.
6049 * config/vax/vax.md (ashlsi3): Likewise.
6050 (ashlsi3): Likewise.
6051 (some more unnamed insns): Likewise.
6053 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6055 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6056 iterator-style macro.
6057 (mark_control_dependent_edges_necessary): Update the use of
6058 EXECUTE_IF_CONTROL_DEPENDENT.
6060 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6062 * config/sh/predicates.md (cache_address_operand): Special.
6063 (ua_address_operand): Likewise.
6065 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6067 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6069 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6071 2006-03-15 Andreas Schwab <schwab@suse.de>
6073 * gensupport.c (identify_predicable_attribute): Don't free p_false
6074 when it is still in use.
6076 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6078 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6079 the default setting here.
6081 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6083 * tree-pass.h (pass_cfg): Remove.
6084 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6085 * passes.c (pass_cfg): Don't run it.
6087 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6089 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6090 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6092 (stack_regs_mentioned): Update the uses of
6093 stack_regs_mentioned_data. Don't access the array beyond its
6095 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6096 Don't include gt-reg-stack.h.
6098 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6099 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6101 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6104 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6107 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6109 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6111 2006-03-14 Richard Guenther <rguenther@suse.de>
6113 PR tree-optimization/26672
6114 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6117 2006-03-14 Richard Guenther <rguenther@suse.de>
6119 PR tree-optimization/26667
6120 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6121 node for the callees. Always allow inlining if it will shrink
6124 2006-03-14 Richard Guenther <rguenther@suse.de>
6127 * builtins.c (get_pointer_alignment): Prefer alignment
6128 information from decls over that from types.
6130 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6133 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6135 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6137 * config/rs6000/rs6000.opt (mdlmzb): New option.
6138 (msched-prolog, msched-epilog): Use Var not Mask.
6139 * doc/invoke.texi (-mdlmzb): Document.
6140 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6142 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6143 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6145 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6147 PR rtl-optimization/25739
6148 * bt-load.c (augment_live_range): Free tos pointer.
6150 * gensupport.c (identify_predicable_attribute): Free
6152 * gcov.c (create_file_names): Free name pointer.
6154 2006-03-13 Roger Sayle <roger@eyesopen.com>
6157 * stmt.c (emit_case_nodes): Handle the case where the index is a
6158 CONST_INT, where the comparison mode is specified by the index type.
6160 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6162 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6165 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6167 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6168 (*branch_fp_inverted): Likewise.
6170 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6173 * omp-low.c (expand_omp_for_generic): Mark istart0
6174 and iend0 as addressable.
6176 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6178 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6180 2006-03-13 Jeff Law <law@redhat.com>
6182 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6183 virtual operands are interesting.
6184 (vrp_visit_stmt): Corresponding changes.
6186 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6188 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6190 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6191 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6192 * config/bfin/crti.S: Use it instead of __PIC__.
6193 * config/bfin/crtn.S: Likewise.
6195 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6196 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6198 Lose 'G' modifier for call operand.
6199 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6200 recognize 'G' modifier.
6202 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6205 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6206 * stmt.c (expand_case): Likewise.
6208 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6210 PR rtl-optimization/26254
6211 * loop-invariant.c (seq_insns_valid_p): New function.
6212 (move_invariant_reg): Only emit new code if it is valid.
6214 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6216 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6218 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6219 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6220 (commit_one_edge_insertion): Do not look for loop notes.
6222 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6224 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6225 flag_test_coverage out of loop.
6227 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6229 * final.c (shorten_branches): Remove outdated comment, and turn
6230 the if branch that guards it to continue.
6232 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6234 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6235 * cfgloop.h (struct loop): Remove unused fields.
6237 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6239 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6240 (-dL, -fdump-rtl-loop2): Update the dump file names
6242 * doc/invoke.texi: Update dump file names.
6244 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6246 * predict.c (estimate_probability): Remove.
6247 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6248 * basic-block.h (estimate_probability): Remove prototype.
6249 * passes.c (finish_optimization_passes): Dump branch prediction or
6250 profiling heuristics to the .profile tree dump.
6251 (init_optimization_passes): Unqueue pass_branch_prob.
6253 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6255 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6257 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6258 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6260 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6262 * function.h (frame_offset_overflow): Declare.
6263 * function.c (frame_offset_overflow): New function.
6264 (assign_stack_local_1): Call it to detect that the offset overflows.
6265 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6267 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6269 * config/sh/sh.c: Include alloc-pool.h.
6270 (label_ref_list_pool): New alloc pool.
6271 (label_ref_list_t): New type for lists of labels.
6272 (struct pool_node): Make wend a label_ref_list_t.
6273 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6275 (dump_table): Likewise.
6276 (sh_reorg): Set up the alloc pool before using add_constant and
6277 dump_table, and destroy it when finishing.
6279 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6281 * config/mips/mips.c: Remove redundant comment.
6283 2006-03-10 Jason Merrill <jason@redhat.com>
6286 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6287 the target was declared 'register'.
6289 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6291 * genpreds.c (write_insn_constraint_len): Change definition of
6292 insn_constraint_len to return size_t to match the declaration.
6294 2006-03-10 DJ Delorie <dj@redhat.com>
6296 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6298 (m32c_expand_insv): Fix test for an AND mask.
6300 2006-03-10 Richard Guenther <rguenther@suse.de>
6303 * builtins.c (get_pointer_alignment): Handle component
6304 references for field alignment.
6306 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6308 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6309 when building with libgloss.
6310 (sh*elf): Implement --without-fp option.
6311 (sh64-superh-linux*): Don't multilib.
6313 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6315 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6317 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6319 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6320 Set it when one of the replacement functions returned true.
6321 Return TODO_cleanup_cfg if cfgchanged is true.
6322 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6324 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6326 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6327 instead of gen_lowpart.
6329 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6331 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6333 (mips_output_order_conditional_branch): Declare.
6334 * config/mips/mips.h (MIPS_BRANCH): New macro.
6335 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6336 for the comparison. Use gen_condjump.
6337 (mips_output_conditional_branch): Rework interface to take the
6338 asm templates for a direct branch and the inverse of a direct branch.
6339 (mips_output_order_conditional_branch): New function.
6340 (mips_builtin_branch_and_move): New function.
6341 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6342 branch condition. Use gen_single_cc as the condition for
6343 __builtin_mips_upper_* or __builtin_mips_lower_*.
6344 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6345 Use VOIDmode for the branch condition.
6346 * config/mips/predicates.md (order_operator): New predicate.
6347 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6348 (branch_fp): Rename to...
6349 (*branch_fp): ...this. Remove mode from comparison operator.
6350 Use new mips_output_conditional_branch interface.
6351 (branch_fp_inverted): Rename to...
6352 (*branch_fp_inverted): ...this and update as for *branch_fp.
6353 (*branch_zero<mode>): Rename to...
6354 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6355 Use mips_output_order_conditional_branch. Only accept ordered
6357 (*branch_zero<mode>_inverted): Rename to...
6358 (*branch_order<mode>_inverted): ...this and update as for
6359 *branch_order<mode>.
6360 (*branch_equality<mode>): Accept zero as the second operand to
6361 the equality operator. Use the new mips_output_conditional_branch
6363 (*branch_equality<mode>_inverted): Likewise.
6364 (condjump): New expander.
6365 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6367 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6368 (bc1any2t, bc1any2f): Likewise.
6369 (single_cc): New expander.
6370 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6372 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6374 * doc/md.texi: Update documentation of MIPS constraints.
6375 * config/mips/constraints.md: New file.
6376 * config/mips/mips.md: Include it.
6377 * config/mips/mips.c (mips_char_to_class): Delete.
6378 (override_options): Don't initialize mips_char_to_class.
6379 * config/mips/mips.h (mips_char_to_class): Delete.
6380 (REG_CLASS_FROM_LETTER): Delete.
6381 (CONST_OK_FOR_LETTER_P): Delete.
6382 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6383 (EXTRA_CONSTRAINT_Y): Delete.
6384 (EXTRA_CONSTRAINT_STR): Delete.
6385 (CONSTRAINT_LEN): Delete.
6386 (EXTRA_MEMORY_CONSTRAINT): Delete.
6388 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6390 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6391 original fn's eh regions.
6393 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6395 * fold-const.c (build_range_check): Make sure to use a valid type to
6396 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6399 (range_predecessor): New static function.
6400 (range_successor): Likewise.
6401 (merge_ranges): Use them to compute predecessors and successors of
6404 2006-03-09 Roger Sayle <roger@eyesopen.com>
6407 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6408 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6410 2006-03-08 DJ Delorie <dj@redhat.com>
6412 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6413 (addpsi3): Expand to include memory operands. Remove
6414 reload-specific splits.
6415 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6416 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6417 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6418 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6419 (shift1_qi, shift1_hi, insv): New.
6420 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6421 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6422 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6424 * config/m32c/m32c-protos.h: Update as needed.
6425 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6426 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6427 Fail for unrecognized R* constraints.
6428 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6429 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6430 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6432 (m32c_init_libfuncs): New.
6433 (m32c_legitimate_address_p): Add debug wrapper.
6434 (m32c_rtx_costs): New.
6435 (m32c_address_cost): New.
6436 (conversions): Add 'B' prefix.
6437 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6438 operands, or word regnames for QI operands. 'B' prints bit
6440 (m32c_expand_setmemhi): New.
6441 (m32c_expand_movmemhi): New.
6442 (m32c_expand_movstr): New.
6443 (m32c_expand_cmpstr): New.
6444 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6445 (m32c_expand_neg_mulpsi3): Handle non-ints.
6446 (m32c_cmp_flg_0): New.
6447 (m32c_expand_movcc): New.
6448 (m32c_expand_insv): New.
6449 (m32c_scc_pattern): New.
6450 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6451 a0/a1 out of SIregs.
6452 (STORE_FLAG_VALUE): New.
6453 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6456 * config/m32c/mov.md: Make constraints more liberal.
6457 (zero_extendqihi2): Optimize r0/r1 case.
6458 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6459 * config/m32c/predicates.md (m32c_any_operand): New.
6460 (m32c_nonimmediate_operand): New.
6461 (m32c_hl_operand): New.
6462 (m32c_r3_operand): New.
6465 (memsym_operand): New.
6466 (memimmed_operand): New.
6467 (a_qi_operand): New.
6468 (m32c_eqne_operator): New.
6469 (m32c_1bit8_operand): New.
6470 (m32c_1bit16_operand): New.
6471 (m32c_1mask8_operand): New.
6472 (m32c_1mask16_operand): New.
6473 * config/m32c/blkmov.md: New file.
6474 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6476 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6478 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6479 unsigned to fix signed/unsigned comparison issue in
6480 DWARF2_FRAME_REG_OUT.
6481 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6482 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6484 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6485 of ptr into the ENABLE_CHECKING section.
6487 2006-03-08 Jeff Law <law@redhat.com>
6489 * tree-vrp.c (infer_value_range): Only count pointer uses
6490 and dereferences if -fdelete-null-pointer-checks is enabled.
6492 * tree-vrp.c (find_assert_locations): Infer value ranges for
6493 single use pointers, but do not create ASSERT_EXPRs for them.
6494 When a non-null range is inferred for a pointer, backwards
6495 propagate that range to other equivalent pointers through the
6498 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6501 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6502 language hook targets.
6503 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6504 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6505 if language hook targets were missing.
6507 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6509 * tree-ssa-opfinalize.h: Removed.
6510 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6512 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6513 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6514 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6515 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6516 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6517 finalize_ssa_v_must_def_ops): New.
6519 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6521 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6524 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6526 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6528 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6529 addresses with offsets; reorganize.
6531 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6532 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6533 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6535 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6538 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6540 2006-03-08 Ben Elliston <bje@au.ibm.com>
6542 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6544 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6547 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6550 2006-03-07 Richard Guenther <rguenther@suse.de>
6552 PR tree-optimization/26587
6553 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6555 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6557 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6559 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6561 * hooks.c (hook_bool_mode_rtx_true): New function.
6562 * hooks.h (hook_bool_mode_rtx_true): Declare.
6563 * toplev.c (compile_file): Call output_shared_constant_pool.
6564 * varasm.c (shared_constant_pool): New variable.
6565 (assemble_start_function, assemble_end_function): Remove arguments
6566 from call to output_constant_pool.
6567 (create_constant_pool): New function, split out from...
6568 (init_varasm_status): ...here.
6569 (force_const_mem): Choose between the shared and per-function constant
6570 pools. Set current_function_uses_const_pool when reusing old entries
6571 as well as when creating new ones.
6572 (mark_constant): Ignore data argument.
6573 (mark_constants): Remove pool argument.
6574 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6575 to decide whether the function uses a constant pool.
6576 (output_constant_pool_contents): New function, split out from...
6577 (output_constant_pool): ...here.
6578 (output_shared_constant_pool): New function.
6579 (init_varasm_once): Initialize shared_constant_pool.
6580 * output.h (output_constant_pool): Delete.
6581 (output_shared_constant_pool): Declare.
6582 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6583 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6585 2006-03-06 Nick Clifton <nickc@redhat.com>
6587 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6588 flag_strength_reduce.
6590 2006-03-06 Ben Elliston <bje@au.ibm.com>
6592 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6593 x86_64-*-linux* configurations.
6595 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6596 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6598 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6600 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6602 * basic-block.h: Remove the extern for
6603 rediscover_loops_after_threading.
6605 * cfgloop.c (cancel_loop): Make it static.
6606 * cfgloop.h: Remove the prototype for cancel_loop.
6608 * flow.c (recompute_reg_usage): Make it static.
6609 * rtl.h: Remove the prototype for recompute_reg_usage.
6611 * function.c (use_return_register): Make it static.
6612 * function.h: Remove the prototype.
6614 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6616 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6618 * recog.h: Remove the prototype for
6619 validate_change_maybe_volatile.
6621 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6623 * rtlanal.c (replace_reg): Remove.
6624 * rtl.h: Remove the prototype for replace_reg.
6626 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6628 * regclass.c (reg_scan_update): Remove.
6629 (reg_scan_mark_refs): Remove the last argument.
6630 * rtl.h: Remove the prototype for reg_scan_update.
6632 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6634 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6635 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6636 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6637 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6638 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6639 loop-invariant.c, omp-low.c, opts.c, passes.c,
6640 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6641 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6642 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6643 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6644 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6645 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6647 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6649 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6650 * dwarf2out.h: Remove the prototype for
6651 dwarf2out_add_library_unit_info.
6653 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6655 * tree.c (add_var_to_bind_expr): Remove.
6656 * tree.h: Remove the prototype for add_var_to_bind_expr.
6658 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6660 * regclass.c (n_non_fixed_regs): Remove.
6661 (init_reg_sets_1, globalize_reg): Remove all uses of
6663 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6665 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6667 * rtlanal.c (insns_safe_to_move_p): Remove.
6668 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6670 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6672 * expmed.c (expand_mult_add): Remove.
6673 * expr.h: Remove the prototype for expand_mult_add.
6675 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6677 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6678 and REG_SAVED_VAL_EXP constants.
6679 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6680 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6681 Handle regs stored by value.
6682 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6683 (execute_cfa_program): Handle DW_CFA_val_offset,
6684 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6685 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6686 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6687 (uw_install_context_1): Handle target regs stored by value.
6689 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6691 * tree-sra.c (tree_sra): Return todoflags;
6692 (generate_one_element): Set TODO_update_smt_usage if needed.
6693 (pass_sra): Remove TODO_update_smt_usage.
6694 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6696 (tree_ssa_forward_propagate_single_use_vars): Return
6697 TODO_update_smt_usage if we need to update SMT usage.
6698 (pass_forwprop): Remove TODO_update_smt_usage.
6700 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6702 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6703 (correct_use_link): Remove reference to get_stmt_operands.
6704 (update_stmt_operands): Likewise.
6705 (get_modify_expr_operands): New function factored out of
6706 parse_ssa_operands and get_expr_operands.
6707 Try to create V_MUST_DEFs for LHS by default.
6708 (get_expr_operands) <case MODIFY_EXPR>: Call
6709 get_modify_expr_operands.
6710 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6711 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6712 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6713 get_modify_expr_operands.
6715 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6717 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6718 * tree-flow.h: Remove the prototype for
6719 referenced_var_lookup_if_exists.
6721 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6723 PR rtl-optimization/26345
6725 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6727 2006-03-03 Roger Sayle <roger@eyesopen.com>
6729 PR tree-optimization/26524
6730 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6731 fold_convert to create a constant of the appropriate type.
6733 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6735 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6736 SYMBOL_REF_IN_BLOCK_P.
6737 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6738 of SYMBOL_FLAG_IN_BLOCK.
6739 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6740 instead of SYMBOL_REF_IN_BLOCK_P.
6741 * explow.c (use_anchored_address): Likewise.
6742 * rtl.c (rtx_size): Likewise.
6743 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6744 instead of SYMBOL_FLAG_IN_BLOCK.
6745 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6746 SYMBOL_REF_IN_BLOCK_P.
6747 (assemble_variable): Likewise.
6748 (output_constant_def_contents): Likewise.
6749 (output_constant_pool): Likewise.
6750 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6751 instead of SYMBOL_FLAG_IN_BLOCK.
6752 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6753 SYMBOL_REF_IN_BLOCK_P.
6754 (SYMBOL_REF_BLOCK): Likewise.
6755 (SYMBOL_REF_OFFSET): Likewise.
6756 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6757 SYMBOL_REF_IN_BLOCK_P.
6758 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6759 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6760 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6761 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6763 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6765 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6767 2006-03-02 Roger Sayle <roger@eyesopen.com>
6769 * simplify-rtx.c (simplify_unary_operation): When simplifying
6770 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6771 that we perform the right shift in the appropriate mode, and
6772 then extend or truncate the result to requested mode.
6774 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6776 * gengtype.c (main): Handle double_int type.
6777 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6778 * double-int.c: New file.
6779 * double-int.h: New file.
6780 * system.h: Include doubleint.h.
6781 * Makefile.in (SYSTEM_H): Include double-int.h.
6782 (double-int.o): Add.
6784 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6787 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6790 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6792 * tree-vrp.c (remove_range_assertions): Do not update statements
6795 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6797 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6799 * gcse.c (rest_of_handle_gcse): Ditto.
6800 * except.c (gate_handle_eh): Ditto.
6801 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6802 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6804 2006-03-02 Eric Christopher <echristo@apple.com>
6806 * config/i386/i386.c (machopic_output_stub): Add indirection to
6809 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6813 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6815 Sun Niagara specific optimizations.
6816 * config.gcc: Recognize niagara as target.
6817 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6818 (TARGET_CPU_niagara): Define.
6819 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6820 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6821 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6822 (ASM_CPU_SPEC): Likewise.
6823 (PROCESSOR_NIAGARA): New enum entry.
6824 (REGISTER_MOVE_COST): Handle Niagara.
6825 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6826 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6827 (sparc_override_options): Recognize "niagara", set appropriate
6828 default MASK_* values for it, and align functions to 32-bytes
6829 by default just like ULTRASPARC/ULTRASPARC3.
6830 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6831 (sparc64_initialize_trampoline): Likewise.
6832 (sparc_use_sched_lookahead): Use zero for niagara.
6833 (sparc_issue_rate): Use one for niagara.
6834 * config/sparc/niagara.md: New file.
6835 * config/sparc/sparc.md: Include it.
6836 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6837 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6838 when default cpu is niagara.
6839 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6840 (ASM_CPU_SPEC): Likewise.
6841 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6842 when default cpu is niagara.
6843 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6844 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6845 just like v9/ultrasparc/ultrasparc3.
6846 * doc/invoke.texi: Add documentation for "niagara" and improve
6847 existing documentation for ultrasparc variants.
6849 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6851 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6853 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6855 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6856 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6857 and say that only one is needed.
6858 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6859 * target.h (have_switchable_bss_sections): New hook.
6860 * explow.c (use_anchored_address): Check that the symbol is in a block.
6861 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6862 (bss_noswitch_section): New variables.
6863 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6864 (get_noswitch_section): New function.
6865 (get_block_for_section): Allow SECT to be null.
6866 (unlikely_text_section_p): Use SECTION_STYLE.
6867 (bss_initializer_p): New function.
6868 (get_variable_section): Move earlier in file. Take a new argument,
6869 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6870 Return one of the new *_sections in such cases.
6871 (get_block_for_decl): New function, extracting some logic from
6872 use_blocks_for_decl_p.
6873 (change_symbol_section): Remove in favor of...
6874 (change_symbol_block): ...this new function.
6875 (use_blocks_for_decl_p): Remove checks now performed by
6877 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6878 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6879 (emit_local, emit_bss, emit_common): ...these new functions.
6880 Return true if the alignment was honored.
6881 (emit_tls_common): New function.
6882 (asm_emit_uninitialised): Delete.
6883 (assemble_variable_noswitch): New function, split out from...
6884 (assemble_variable): ...here. Don't make decisions about common
6885 variables here. Globalize all public decls that go into non-common
6886 sections. Check whether SYMBOL_REF_BLOCK is null.
6887 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6888 (output_constant_pool): Likewise.
6889 (init_varasm_once): Initialize the new section variables.
6890 (have_global_bss_p): New function.
6891 (categorize_decl_for_section): Use bss_initializer_p.
6892 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6893 (place_block_symbol): Assert that the symbol must be in a block.
6894 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6895 (TARGET_INITIALIZER): Include it.
6896 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6897 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6898 (SECTION_MACH_DEP): Bump by two.
6899 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6900 (unnamed_section): Mention SECTION_UNNAMED in comment.
6901 (named_section): Likewise SECTION_NAMED.
6902 (noswitch_section_callback): New type.
6903 (noswitch_section): New structure.
6904 (section): Add a noswitch_section alternative.
6905 (SECTION_STYLE): New macro.
6906 (tls_comm_section, comm_section, lcomm_section): Declare.
6907 (bss_noswitch_section, have_global_bss_p): Declare.
6908 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6909 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6911 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6912 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6915 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6917 * tree-vrp.c (execute_vrp): Return value.
6918 * regrename.c (rest_of_handle_regrename): Ditto.
6919 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6920 * tree-complex.c (tree_lower_complex): Ditto.
6921 (tree_lower_complex_O0): Ditto.
6922 * tracer.c (rest_of_handle_tracer): Ditto.
6923 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6924 * postreload.c (rest_of_handle_postreload): Ditto.
6925 * tree-tailcall.c (execute_tail_recursion): Ditto.
6926 (execute_tail_calls): Ditto.
6927 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6928 * tree.h (init_function_for_compilation): Ditto.
6929 * ipa-cp.c (ipcp_driver): Ditto.
6930 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6931 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6932 * final.c (compute_alignments): Ditto.
6933 (rest_of_handle_final): Ditto.
6934 (rest_of_handle_shorten_branches): Ditto.
6935 (rest_of_clean_state): Ditto.
6936 * omp-low.c (execute_expand_omp): Ditto.
6937 (execute_lower_omp): Ditto.
6938 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6939 * ipa-reference.c (static_execute): Ditto.
6940 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6941 * reorg.c (rest_of_handle_delay_slots): Ditto.
6942 (rest_of_handle_machine_reorg): Ditto.
6943 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6944 * flow.c (recompute_reg_usage): Ditto.
6945 (rest_of_handle_remove_death_notes): Ditto.
6946 (rest_of_handle_life): Ditto.
6947 (rest_of_handle_flow2): Ditto.
6948 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6949 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6950 (do_ssa_store_ccp): Ditto.
6951 (execute_fold_all_builtins): Ditto.
6952 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6953 * modulo-sched.c (rest_of_handle_sms): Ditto.
6954 * ipa-pure-const.c (static_execute): Ditto.
6955 * cse.c (rest_of_handle_cse): Ditto.
6956 (rest_of_handle_cse2): Ditto.
6957 * web.c (rest_of_handle_web): Ditto.
6958 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6959 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6960 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6961 * tree-nrv.c (tree_nrv): Ditto.
6962 (execute_return_slot_opt): Ditto.
6963 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6964 (create_structure_vars): Ditto.
6965 * loop-init.c (rtl_loop_init): Ditto.
6966 (rtl_loop_done): Ditto.
6967 (rtl_move_loop_invariants): Ditto.
6968 (rtl_unswitch): Ditto.
6969 (rtl_unroll_and_peel_loops): Ditto.
6970 (rtl_doloop): Ditto.
6971 * gimple-low.c (lower_function_body): Ditto.
6972 (mark_used_blocks): Ditto.
6973 * tree-ssa-sink.c (execute_sink_code): Ditto.
6974 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6975 (cgraph_early_inlining): Ditto.
6976 * global.c (rest_of_handle_global_alloc): Ditto.
6977 * jump.c (cleanup_barriers): Ditto.
6978 (purge_line_number_notes): Ditto.
6979 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6980 (rest_of_handle_if_after_reload): Ditto.
6981 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6982 (tree_ssa_loop_im): Ditto.
6983 (tree_ssa_loop_unswitch): Ditto.
6984 (tree_vectorize): Ditto.
6985 (tree_linear_transform): Ditto.
6986 (tree_ssa_loop_ivcanon): Ditto.
6987 (tree_ssa_empty_loop): Ditto.
6988 (tree_ssa_loop_bounds): Ditto.
6989 (tree_complete_unroll): Ditto.
6990 (tree_ssa_loop_prefetch): Ditto.
6991 (tree_ssa_loop_ivopts): Ditto.
6992 (tree_ssa_loop_done): Ditto.
6993 * predict.c (tree_estimate_probability): Ditto.
6994 * recog.c (split_all_insns_noflow): Ditto.
6995 (rest_of_handle_peephole2): Ditto.
6996 (rest_of_handle_split_all_insns): Ditto.
6997 * tree-eh.c (lower_eh_constructs): Ditto.
6998 * regmove.c (rest_of_handle_regmove): Ditto.
6999 (rest_of_handle_stack_adjustments): Ditto.
7000 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7001 * function.c (instantiate_virtual_regs): Ditto.
7002 (init_function_for_compilation): Ditto.
7003 (rest_of_handle_check_leaf_regs): Ditto.
7004 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7005 (rest_of_handle_gcse): Ditto.
7006 * ipa-type-escape.c (type_escape_execute): Ditto.
7007 * alias.c (rest_of_handle_cfg): Ditto.
7008 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7009 * profile.c (rest_of_handle_branch_prob): Ditto.
7010 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7011 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7012 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7013 * tree-dfa.c (find_referenced_vars): Ditto.
7014 * except.c (set_nothrow_function_flags): Ditto.
7015 (convert_to_eh_region_ranges): Ditto.
7016 (rest_of_handle_eh): Ditto.
7017 * emit-rtl.c (unshare_all_rtl): Ditto.
7018 (remove_unnecessary_notes): Ditto.
7019 * except.h (set_nothrow_function_flags): Ditto.
7020 (convert_to_eh_region_ranges): Ditto.
7021 * cfgexpand.c (tree_expand_cfg): Ditto.
7022 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7023 * tree-ssa-pre.c (do_pre): Ditto.
7024 (execute_fre): Ditto.
7025 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7026 (rest_of_handle_jump2): Ditto.
7027 * tree-sra.c (tree_sra): Ditto.
7028 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7029 (execute_mudflap_function_decls): Ditto.
7030 * tree-ssa-copy.c (do_copy_prop): Ditto.
7031 (do_store_copy_prop): Ditto.
7032 * ipa-prop.h (ipcp_driver): Ditto.
7033 * cfglayout.c (insn_locators_initialize): Ditto.
7034 * tree-ssa-forwprop.c
7035 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7036 * cfglayout.h (insn_locators_initialize): Ditto.
7037 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7038 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7039 (execute_late_warn_uninitialized): Ditto.
7040 * rtl.h (cleanup_barriers): Ditto.
7041 (split_all_insns_noflow): Ditto.
7042 (purge_line_number_notes): Ditto.
7043 (unshare_all_rtl): Ditto.
7044 (remove_unnecessary_notes): Ditto.
7045 (recompute_reg_usage): Ditto.
7046 (variable_tracking_main): Ditto.
7047 * integrate.c (emit_initial_value_sets): Ditto.
7048 * integrate.h (emit_initial_value_sets): Ditto.
7049 * tree-optimize.c (execute_free_datastructures): Ditto
7050 (execute_free_cfg_annotations): Ditto.
7051 (execute_fixup_cfg): Ditto.
7052 (execute_cleanup_cfg_pre_ipa): Ditto.
7053 (execute_cleanup_cfg_post_optimizing): Ditto.
7054 (execute_init_datastructures): Ditto.
7055 * tree-object-size.c (compute_object_sizes): Ditto.
7056 * combine.c (rest_of_handle_combine): Ditto.
7057 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7058 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7059 (rest_of_handle_reorder_blocks): Ditto.
7060 (rest_of_handle_partition_blocks): Ditto.
7061 * var-tracking.c (variable_tracking_main): Ditto.
7062 * tree-profile.c (tree_profiling): Ditto.
7063 * tree-vect-generic.c (expand_vector_operations): Ditto.
7064 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7065 * sched-rgn.c (rest_of_handle_sched): Ditto.
7066 (rest_of_handle_sched2): Ditto.
7067 * basic-block.h (free_bb_insn): Ditto.
7068 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7069 * tree-cfg.c (execute_build_cfg): Ditto.
7070 (remove_useless_stmts): Ditto.
7071 (split_critical_edges): Ditto.
7072 (execute_warn_function_return): Ditto.
7073 (execute_warn_function_noreturn): Ditto.
7074 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7075 * cfgrtl.c (free_bb_for_insn): Ditto.
7076 * passes.c (execute_one_pass): Run additional
7077 todos returned by execute function.
7078 * tree-pass.h (struct tree_opt_pass): Make execute
7081 2006-03-02 Richard Guenther <rguenther@suse.de>
7083 * tree-ssa-alias.c (find_used_portions): Consider taking
7084 the address as making the variable not write-only.
7086 2006-03-02 Nick Clifton <nickc@redhat.com>
7088 * config.gcc (default_use_cxa_atexit): Extend the description of
7089 this configure variable. Set its default value to "yes" for
7090 Linux, NetBSD and ELF targets on the assumption that they will
7091 use C libraries with the __cxa_atexit function.
7093 2006-03-02 Ben Elliston <bje@au.ibm.com>
7095 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7096 parameter as unused to suppress a build warning.
7098 2006-03-02 Ben Elliston <bje@au.ibm.com>
7100 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7103 2006-03-01 Roger Sayle <roger@eyesopen.com>
7106 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7107 declared name, the weak reference name, and the typeof name.
7108 (__gthrw): Avoid expanding the declared name suffix.
7109 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7111 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7113 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7115 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7116 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7117 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7118 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7119 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7120 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7121 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7122 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7123 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7124 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7125 (DW_END_default, DW_END_big, DW_END_little): New.
7126 (DW_END_lo_user, DW_END_hi_user): Define.
7127 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7128 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7129 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7132 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7134 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7136 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7138 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7140 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7142 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7143 to 'symbol_mem_tag'.
7145 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7148 2006-03-01 Roger Sayle <roger@eyesopen.com>
7150 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7152 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7155 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7156 MACHO_DYNAMIC_NO_PIC_P.
7157 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7159 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7162 * config/darwin-protos.h (darwin_asm_output_anchor):
7164 * config/darwin-sections.def (cstring_section):
7165 Add SECTION_MERGE to the flags.
7166 (literal4_section): Likewise.
7167 (literal8_section): Likewise.
7168 (objc_selector_refs_section): Likewise.
7169 (objc_cls_refs_section): Likewise.
7170 * config/darwin.c (darwin_asm_output_anchor): New
7172 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7174 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7176 Fix PR tree-optimization/26443
7177 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7178 to todo and PROP_tmt_usage to properties_destroyed.
7179 * tree-ssa-ccp.c (pass_ccp): Ditto.
7180 (pass_store_ccp): Ditto.
7181 * tree-ssa-dom.c (pass_dominator): Ditto.
7183 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7185 * tree-ssa-operands.c: Cleanup whitespace.
7186 (get_asm_expr_operands): Move before first invocation.
7187 (get_indirect_ref_operands): Likewise.
7188 (get_tmr_operands): Likewise.
7189 (get_call_expr_operands): Likewise.
7190 (append_def): Likewise.
7191 (append_use): Likewise.
7192 (append_v_may_def): Likewise.
7193 (append_v_must_def): Likewise.
7194 (add_call_clobber_ops): Likewise.
7195 (add_call_read_ops): Likewise.
7196 (add_stmt_operand): Likewise.
7197 (add_virtual_operand): Likewise.
7198 (build_ssa_operands): Likewise.
7200 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7205 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7206 with a call expr to ...
7207 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7209 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7211 * tree-vrp.c (extract_range_from_assert): Remove special
7212 handling for types with super-types.
7214 2006-03-01 Ben Elliston <bje@au.ibm.com>
7216 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7217 and powerpc64-*-linux* configurations.
7218 * config/t-dfprules: New file.
7220 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7221 Compile dfp-bit.c from the source directory using -DWIDTH and
7222 $DFP_CFLAGS to control the compilation of that file, rather than
7223 generating width-specific versions in the build directory.
7224 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7225 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7227 2006-02-28 Zack Weinberg <zackw@panix.com>
7229 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7232 2006-02-28 Eric Christopher <echristo@apple.com>
7234 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7235 Set up IN_LIBGCC definition of TARGET_64BIT.
7236 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7238 2006-02-28 Roger Sayle <roger@eyesopen.com>
7241 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7242 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7243 cases via the construction of "expr != 0".
7245 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7247 * alias.c (alias_invariant, alias_invariant_size): Remove.
7248 (record_base_value): Remove.
7249 (memrefs_conflict_p): Don't look at alias_invariant.
7250 (end_alias_analysis): Don't free it.
7251 * alias.h (record_base_value): Remove prototype.
7253 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7254 Adam Nemet <anemet@caviumnetworks.com>
7256 * rtl.h (truncated_to_mode): Declare it.
7257 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7258 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7259 (RTL_HOOKS_INITIALIZER): Include it.
7260 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7261 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7262 reg_truncated_to_mode.
7263 * rtlanal.c (truncated_to_mode): Define it.
7264 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7266 2006-02-28 Jeff Law <law@redhat.com>
7268 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7269 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7270 the range allowed by TYPE_PRECISION.
7272 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7274 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7276 PR tree-optimization/26419
7277 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7280 2006-02-27 Zack Weinberg <zackw@panix.com>
7282 * doc/md.texi: Fix typo in previous change.
7284 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7288 2006-02-27 Zack Weinberg <zackw@panix.com>
7290 * rtl.def (define_constraint, define_register_constraint)
7291 (define_memory_constraint, define_address_constraint): New MD forms.
7292 * gensupport.c (process_rtx): Put define_constraint etc on the
7294 * genpreds.c (process_define_predicate): Adjust comment. Validate
7295 the name, and call validate_exp to validate the expression.
7296 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7297 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7298 all callers changed.
7299 (validate_exp, needs_variable, struct constraint_data)
7300 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7301 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7302 (const_dbl_constraints, constraint_max_namelen)
7303 (have_register_constraints, have_memory_constraints)
7304 (have_address_constraints, have_address_constraints)
7305 (have_extra_constraints, have_const_int_constraints)
7306 (have_const_dbl_constraints, mangle, add_constraint)
7307 (process_define_constraint, process_define_register_constraint)
7308 (write_enum_constraint_num, write_lookup_constraint)
7309 (write_insn_constraint_len, write_regclass_for_constraint)
7310 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7311 (write_insn_extra_memory_constraint)
7312 (write_insn_extra_address_constraint)
7313 (write_satisfies_constraint_fns): New.
7314 (write_tm_preds_h): If we have new-style constraint definitions,
7315 prototype the functions generated from them, and define the
7316 old constraint interface (still used by generic code) in terms of
7318 (write_insn_preds_c): If we have new-style constraint definitions,
7319 generate all relevant functions from those definitions.
7320 (main): Handle define_constraint etc.
7321 * genoutput.c (struct constraint_data, indep_constraints)
7322 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7323 (mdep_constraint_len): New data structures and functions, defined
7324 #ifdef USE_MD_CONSTRAINTS.
7325 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7326 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7327 use new logic to validate operand constraints against constraint
7329 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7331 * defaults.h: If none of the old-style constraint macros are
7332 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7333 old-style macros; and poison REG_CLASS_FROM_LETTER,
7334 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7336 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7337 * doc/md.texi: Document new constraint-definition mechanism and the
7338 C interface it provides. Remove references to old mechanism
7339 elsewhere in the document.
7340 (Machine Constraints): Use pathnames relative to gcc directory,
7341 i.e. config/ARCH/FILE. Change i386 section to refer to
7342 config/i386/predicates.md; update that section to match docstrings.
7343 * doc/tm.texi: Move all documentation of the old constraint-
7344 definition macros to their own section, clearly mark as obsolete.
7346 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7347 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7349 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7350 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7351 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7353 (splits and peepholes): Use satisfies_constraint_*.
7354 * config/i386/i386.c (memory_address_length)
7355 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7357 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7359 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7360 scalar operation to be put back into the loop.
7362 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7365 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7366 (extract_cie_info): Handle S flag in augmentation string.
7367 (execute_cfa_program): If context->signal_frame, execute also
7368 fs->pc == context->ra instructions.
7369 (uw_frame_state_for): If context->signal_frame, don't subtract one
7370 from context->ra to find FDE.
7371 (uw_update_context_1): Set context->signal_frame to
7373 (_Unwind_GetIPInfo): New function.
7374 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7375 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7377 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7378 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7379 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7380 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7381 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7382 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7383 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7384 x86_64_fallback_frame_state): Set fs->signal_frame.
7385 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7386 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7387 (frob_update_context): Likewise. Workaround missing S flag in
7388 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7389 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7390 Remove the psw_addr + 1 hack.
7392 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7394 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7395 with aggregates here.
7396 (find_func_aliases): Remove code for &<aggregate> from here.
7398 2006-02-26 Roger Sayle <roger@eyesopen.com>
7400 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7401 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7402 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7405 2006-02-26 Roger Sayle <roger@eyesopen.com>
7408 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7410 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7412 * opts.c (decode_options): Do not handle flag_strength_reduce.
7413 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7414 and OPT_fstrength_reduce.
7415 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7416 flag_prefetch_loop_arrays for being nonzero.
7417 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7419 (fprefetch-loop-arrays-rtl): Removed.
7420 (flag_prefetch_loop_arrays): Do not specify the value.
7422 * doc/passes.texi: Update documentation of loop optimizer
7424 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7425 -frerun-loop-opt): Remove.
7427 2006-02-26 Richard Guenther <rguenther@suse.de>
7429 PR tree-optimization/26421
7430 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7431 in function calls that are ADDR_EXPRs as using the whole structure.
7433 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7435 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7436 * tree-pass.h (pass_loop_optimize): Remove.
7437 * passes.c (pass_loop_optimize): Never run it.
7438 * toplev.c (backend_init): Don't call init_loop.
7439 * opts.c (flag_loop_optimize_set): Remove.
7440 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7441 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7442 the old RTL loop optimizer when profiling enabled.
7443 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7444 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7445 pre-headers for the sake of the old RTL loop optimizer.
7446 * Makefile.in: Remove all references to loop.o.
7448 * doc/invoke.texi: Remove all references to -floop-optimize
7449 and -frerun-loop-opt.
7451 2006-02-26 Zack Weinberg <zackw@panix.com>
7453 * doc/md.texi (Machine Constraints): Refer to all files with paths
7454 relative to gcc directory (i.e. config/CPU/file). Add missing
7455 @table @code ... @end table to M32C subsection.
7457 2006-02-26 Roger Sayle <roger@eyesopen.com>
7459 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7461 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7463 2006-02-26 Roger Sayle <roger@eyesopen.com>
7464 James A. Morrison <phython@gcc.gnu.org>
7467 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7468 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7469 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7470 signedness of the shift operation.
7472 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7474 PR tree-optimization/26359
7475 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7477 2006-02-25 Roger Sayle <roger@eyesopen.com>
7479 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7480 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7481 as X == 0, and some symmetry related transformations.
7482 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7484 2006-02-25 Roger Sayle <roger@eyesopen.com>
7487 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7488 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7489 symmetry related transformations. Fold (X^C1) == C2 as
7492 2006-02-25 Juergen Weigert <jw@suse.de>
7493 Richard Guenther <rguenther@suse.de>
7495 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7497 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7499 * combine.c (gen_lowpart_or_truncate): Call
7500 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7502 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7504 * doc/invoke.texi: Move -fopenmp description to "Options for
7506 Remove reference to -lgomp.
7508 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7510 * doc/install.texi: Require GNU tar version 1.14.
7512 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7514 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7515 * doc/invoke.texi (C++ Dialect Options): Document
7516 -fno-use-cxa-get-exception-ptr.
7517 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7518 * configure: Regenerate.
7519 * c.opt (fuse-cxa-get-exception-ptr): New.
7520 * c-opts.c (c_common_handle_option): Handle
7521 OPT_fuse_cxa_get_exception_ptr.
7522 * c-common.c (flag_use_cxa_atexit): Update documentation.
7523 (flag_use_cxa_get_exception_ptr): New.
7524 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7525 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7527 (C_COMMON_OVERRIDE_OPTIONS): New.
7529 2006-02-24 Roger Sayle <roger@eyesopen.com>
7532 * combine.c (try_combine): Explicitly check whether GET_CODE is
7533 a SET or a CLOBBER, instead on checking that it isn't a USE.
7535 2006-02-24 Roger Sayle <roger@eyesopen.com>
7537 * fold-const.c (fold_comparison): New subroutine of fold_binary
7538 containing transformations common to both the equality and
7539 ordering relational operators, factored out of fold_binary.
7540 (fold_binary): Separate out the equality operators (EQ_EXPR
7541 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7542 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7543 transformations common to both.
7544 (fold_div_compare): Fix latent bugs in the previously unreachable
7545 LT_EXPR and GE_EXPR cases.
7547 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7549 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7550 decl libname for clog to __clog on AIX.
7552 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7554 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7557 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7558 output traceback table for thunks. Localise rs6000_stack_info call.
7560 2006-02-23 Roger Sayle <roger@eyesopen.com>
7561 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7563 * gthr-posix.h (__gthrw): Fix typo in comment.
7565 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7567 * doc/cpp.texi (Character sets): Document that we do support
7568 input files to be in any character set.
7570 2006-02-23 Jeff Law <law@redhat.com>
7572 * tree.h (PHI_ARG_NONZERO): Remove.
7573 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7574 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7575 node to the new node.
7577 PR tree-optimization/26425
7578 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7579 min/max, then assume its varying.
7581 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7583 PR rtl-optimization/26316
7584 * rtlanal.c (enum may_trap_p_flags): New.
7585 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7586 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7587 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7588 (may_trap_after_code_motion_p): New function.
7589 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7590 (find_invariant_insn): Use may_trap_after_code_motion_p.
7591 * rtl.h (may_trap_after_code_motion_p): Declare.
7593 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7595 * emit-rtl.c (immed_double_const): Cleanup.
7597 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7599 Fix PR tree-optimization/26376
7600 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7603 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7606 * gimplify.c (omp_add_variable): Guard variable size decl test with
7607 DECL_SIZE (decl) check.
7609 2006-02-23 Richard Guenther <rguenther@suse.de>
7612 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7613 like aggregate types.
7615 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7617 * configure.ac: Add --with{,out}-long-double-128 configure option.
7618 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7619 * configure: Rebuilt.
7620 * config.in: Rebuilt.
7621 * doc/install.texi (Options specification): Document
7622 --with-long-double-128.
7624 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7625 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7626 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7627 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7629 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7631 * config/s390/s390.c (override_options): Handle
7632 TARGET_DEFAULT_LONG_DOUBLE_128.
7634 * config/alpha/alpha.c (override_options): Handle
7635 TARGET_DEFAULT_LONG_DOUBLE_128.
7637 * config/sparc/sparc.c (sparc_override_options): Handle
7638 TARGET_DEFAULT_LONG_DOUBLE_128.
7640 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7642 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7643 (real-install-headers-tar, real-install-headers-cpio)
7644 (real-install-headers-cp): New targets.
7646 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7648 * tree.h (variable_section): Delete.
7649 * varasm.c (variable_section): Delete.
7651 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7653 * install.texi: Add notes on install.texi2html.
7654 (Building in parallel): Do not use footnotes.
7656 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7659 * doc/install.texi (Configuration): Document --disable-libgomp.
7661 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7663 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7665 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7667 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7668 (vec_extractv2df_0_sse): New.
7670 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7672 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7673 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7674 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7675 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7676 to the result of the expression.
7677 (def_cfa_1): Adjust.
7678 (frame_pointer_cfa_offset): Rename to...
7679 (frame_pointer_fb_offset): ... this. Adjust all uses.
7680 (convert_cfa_to_loc_list): Rename to...
7681 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7682 Pass it on to build_cfa_loc.
7683 (compute_frame_pointer_to_cfa_displacement): Rename to...
7684 (compute_frame_pointer_to_fb_displacement): ... this. New
7685 offset parameter. Use it in computation.
7686 (gen_subprogram_die): Compute cfa_fb_offset with the new
7687 macro, and use it to compute the fb loc list and the
7690 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7692 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7693 replaced with register_operand.
7694 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7695 non-DREG is expensive.
7696 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7697 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7700 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7702 * doc/install.texi2html: Use set -e.
7704 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7706 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7707 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7708 * doc/invoke.texi (-fshared-data): Delete.
7709 * common.opt (fshared-data): Delete.
7710 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7711 (assemble_static_space): Remove #if 0 code.
7712 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7713 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7714 * config/cris/cris.h: Remove FIXME.
7716 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7718 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7721 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7724 * combine.c (simplify_shift_const_1): Disable nested shifts
7725 optimization for vector shifts.
7727 2006-02-20 Roger Sayle <roger@eyesopen.com>
7729 PR tree-optimization/26361
7730 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7731 of unsigned integer types.
7733 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7735 * tree-chrec.c (eq_evolutions_p): New.
7736 * tree-chrec.h (eq_evolutions_p): Declared.
7737 * tree-data-ref.c: Fix formatting.
7738 (datadep_stats, dependence_stats): New.
7740 (print_direction_vector): New.
7741 (dump_data_dependence_relation): Use print_direction_vector.
7742 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7743 (compute_subscript_distance): Static.
7744 (initialize_data_dependence_relation): Static. Get the number
7745 of loops surrounding the references from the callers, and initialize
7746 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7747 base_object_differ_p analyzers.
7748 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7749 compute_overlap_steps_for_affine_1_2,
7750 analyze_subscript_affine_affine): Count the classified dependences.
7751 Print a message when a test failed.
7752 (can_use_analyze_subscript_affine_affine): New.
7753 (analyze_siv_subscript): Compute the data dependences on symbolic
7754 scevs that verify can_use_analyze_subscript_affine_affine.
7755 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7756 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7757 Handle symbolic scevs.
7758 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7760 (subscript_dependence_tester): Moved...
7761 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7762 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7763 DDR_SIZE_VECT instead of getting it in parameter.
7764 (subscript_dependence_tester): ... here. Take as a parameter
7765 loop_nest_depth. Call build_classic_dist_vector and
7766 build_classic_dir_vector.
7767 (compute_affine_dependence): Update subscript_dependence_tester
7768 parameters. Update datadep_stats counters. Call
7769 compute_subscript_distance.
7770 (compute_self_dependence): Save the dist and dir vectors. Call
7771 compute_subscript_distance.
7772 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7773 (compute_all_dependences): Reorder parameters as they were before
7774 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7775 compute_subscript_distance. Update the use of
7776 compute_affine_dependence and initialize_data_dependence_relation.
7777 (find_data_references_in_loop): Handle COMPONENT_REF.
7778 (compute_data_dependences_for_loop): Initialize dependence_stats.
7779 Don't call build_classic_dist_vector and build_classic_dir_vector.
7780 Update the parameters of initialize_data_dependence_relation and
7781 compute_all_dependences. Print the statistics from datadep_stats.
7782 (analyze_all_data_dependences): Static. Not used until the pass for
7783 checking the data dependences is contributed.
7784 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7785 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7786 (initialize_data_dependence_relation, compute_affine_dependence,
7787 analyze_all_data_dependences, compute_subscript_distance): Removed.
7788 (print_direction_vector): New.
7789 * lambda.h (gcd): ... here.
7790 (lambda_vector_gcd): Moved here from gcd_vector.
7791 * lambda-code.c (gcd, gcd_vector): Removed.
7792 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7793 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7795 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7797 * ipa-type-escape.c: Tidy some comments and white space.
7798 * tree-ssa-operands.c: Likewise.
7800 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7803 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7804 (dump_decl_name): Do not walk the decl tree chains.
7805 * tree-pass.h (TDF_CHAIN): Remove.
7807 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7809 * Makefile.in (C): Remove
7811 (.PHONY): Remove C and PROTO
7813 2006-02-20 Roger Sayle <roger@eyesopen.com>
7816 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7817 deprecated CHAR_TYPE tree code.
7819 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7821 * configure.ac (target_list): Add install-info, dvi, html.
7822 * configure: Regenerate.
7824 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7825 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7826 treelang/Make-lang.in: Do not use double-colon rules.
7828 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7830 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7831 (TMT_USED_ALONE): New macro.
7832 * tree-pass.h (PROP_tmt_usage): New property.
7833 (TODO_update_tmt_usage): New todo.
7834 * tree-ssa-alias.c (updating_used_alone): New variable.
7835 (recalculate_used_alone): New function.
7836 (compute_may_aliases): Set updating_used_alone, call
7837 recalculate_used_alone.
7838 * tree-sra.c (pass_sra): Note that this pass destroys
7839 PROP_tmt_usage, and add TODO_update_tmt_usage.
7840 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7841 * tree-flow.h (updating_used_alone): Prototype.
7842 (recalculate_used_alone): Ditto.
7843 * passes.c (execute_todo): Add code to set updating_used_alone,
7844 and call recalculate.
7845 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7846 for clobber if used alone, and add assert to verify used_alone
7849 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7851 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7852 for non tls symbols added.
7853 (legitimize_address): Do nothing for PLUS expressions if one of the
7854 addends is a tls symbol reference.
7856 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7860 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7862 * Makefile.in (BOOTSTRAPPING): New.
7863 (quickstrap): New definition if BOOTSTRAPPING=yes.
7865 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7866 * configure.ac: Substitute all_selected_languages with the languages
7867 that were configured. For all the other variables except
7868 lang_specs_files, include all the languages in the tree.
7869 * configure: Regenerate.
7871 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7872 if there is one. Run the commands to run fixincludes in the same
7875 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7876 * doc/install.texi: Document exact conventions for searching target tools.
7877 Document --with-build-time-tools. Document toplevel bootstrap. Document
7878 something more about building an Ada cross-compiler. Don't list GNU Make
7879 requirements which affect all platforms.
7881 2006-02-19 Roger Sayle <roger@eyesopen.com>
7884 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7885 only equivalent if the have both the same mode and precision.
7887 2006-02-20 Ben Elliston <bje@au.ibm.com>
7889 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7891 2006-02-19 Roger Sayle <roger@eyesopen.com>
7892 Steven Bosscher <stevenb.gcc@gmail.com>
7894 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7895 constant pool references to identify stack mode constants.
7896 * rtlanal.c (constant_pool_constant_p): New predicate to check
7897 whether operand is a floating point constant in the pool.
7898 * rtl.h (constant_pool_constant_p): Prototype here.
7899 * loop.c (scan_loop): Avoid hoisting constants from the constant
7900 pool on STACK_REGS targets.
7901 (load_mems): Likewise.
7902 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7903 loads into x87 registers expensive in terms of register pressure.
7905 2006-02-19 Roger Sayle <roger@eyesopen.com>
7907 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7908 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7910 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7912 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7913 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7915 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7917 * doc/invoke.texi: Document -fipa-pta.
7918 * common.opt: Add ipa-pta option.
7919 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7920 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7921 (do_ds_constraint): Ditto.
7922 (get_constraint_for): Only add to referenced_vars if
7923 referenced_vars exists.
7924 (insert_into_field_list): Rewrite to do this unsorted.
7925 (insert_into_field_list_sorted): Rename old insert_into_field_list
7927 (create_function_info_for): Use insert_into_field_list_sorted.
7928 (create_variable_info_for): Rewrite so it uses unsorted version,
7929 since the field list is sorted.
7930 (intra_create_variable_infos): Only add to referenced_vars if
7931 referenced_vars exists.
7932 (ipa_pta_execute): Init heapvars, and delete when done.
7933 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7935 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7937 * doc/install.texi: Add missing `@samp'.
7939 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7941 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7944 2006-02-18 Mark Wielaard <mark@klomp.org>
7946 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7947 who added new 4.1 features, bug fixes and integration support.
7949 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7952 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7955 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7957 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7958 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7959 (copy_insn_1): Likewise. Don't copy each field individually.
7961 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7963 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7964 * rtl.c (rtx_size): Rename variable to...
7965 (rtx_code_size): ...this.
7966 (rtx_size): New function.
7967 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7968 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7970 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7971 * rtl.h (rtx_code_size): New variable.
7972 (rtx_size): Change from a variable to a function.
7973 (RTX_SIZE): Rename to...
7974 (RTX_CODE_SIZE): ...this.
7977 PR tree-optimization/17106
7978 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7979 (Anchored Addresses): New section.
7980 * doc/invoke.texi (-fsection-anchors): Document.
7981 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7982 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7983 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7984 * hooks.c (hook_bool_mode_rtx_false): New function.
7985 * hooks.h (hook_bool_mode_rtx_false): Declare.
7986 * gengtype.c (create_optional_field): New function.
7987 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7988 SYMBOL_REF_IN_BLOCK_P is true.
7989 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7990 (min_anchor_offset, max_anchor_offset): Likewise.
7991 (use_anchors_for_symbol_p): New hook.
7992 * toplev.c (compile_file): Call output_object_blocks.
7993 (target_supports_section_anchors_p): New function.
7994 (process_options): Check that -fsection-anchors is only used on
7995 targets that support it and when -funit-at-a-time is in effect.
7996 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7997 if the decl doesn't have one.
7998 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7999 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8000 of force_const_mem through use_anchored_address.
8001 (expand_expr_constant): New function.
8002 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8003 calling expand_expr for INDIRECT_REF.
8004 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8005 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8006 * expr.h (use_anchored_address): Declare.
8007 * loop-unroll.c: Don't declare rtx vectors here.
8008 * explow.c: Include output.h.
8009 (validize_mem): Call use_anchored_address.
8010 (use_anchored_address): New function.
8011 * common.opt (-fsection-anchors): New switch.
8012 * varasm.c (object_block_htab, anchor_labelno): New variables.
8013 (hash_section, object_block_entry_eq, object_block_entry_hash)
8014 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8015 (use_blocks_for_decl_p, change_symbol_section): New functions.
8016 (get_variable_section): New function, split out from assemble_variable.
8017 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8018 use_blocks_for_decl_p say so. Use change_symbol_section if the
8019 symbol has already been created.
8020 (assemble_variable_contents): New function, split out from...
8021 (assemble_variable): ...here. Don't output any code for
8022 block symbols; just pass them to place_block_symbol.
8023 Use get_variable_section and assemble_variable_contents.
8024 (get_constant_alignment, get_constant_section, get_constant_size): New
8025 functions, split from output_constant_def_contents.
8026 (build_constant_desc): Create a block symbol if use_object_blocks_p
8027 says so. Or into SYMBOL_REF_FLAGS.
8028 (assemble_constant_contents): New function, split from...
8029 (output_constant_def_contents): ...here. Don't output any code
8030 for block symbols; just pass them to place_section_symbol.
8031 Use get_constant_section and get_constant_alignment.
8032 (force_const_mem): Create a block symbol if use_object_blocks_p and
8033 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8034 (output_constant_pool_1): Add an explicit alignment argument.
8035 Don't switch sections here.
8036 (output_constant_pool): Adjust call to output_constant_pool_1.
8037 Switch sections here instead. Don't output anything for block symbols;
8038 just pass them to place_block_symbol.
8039 (init_varasm_once): Initialize object_block_htab.
8040 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8041 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8042 (place_block_symbol, get_section_anchor, output_object_block)
8043 (output_object_block_htab, output_object_blocks): New functions.
8044 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8045 (TARGET_ASM_OUT): Include it.
8046 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8047 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8048 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8049 (TARGET_INITIALIZER): Include them.
8050 * rtl.c (rtl_check_failed_block_symbol): New function.
8051 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8052 (block_symbol, object_block): New structures.
8053 (rtx_def): Add a block_symbol field to the union.
8054 (BLOCK_SYMBOL_CHECK): New macro.
8055 (rtl_check_failed_block_symbol): Declare.
8056 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8057 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8058 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8059 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8060 * output.h (output_section_symbols): Declare.
8061 (object_block): Name structure.
8062 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8063 (default_use_anchors_for_symbol_p): Declare.
8064 * Makefile.in (RTL_BASE_H): Add vec.h.
8065 (explow.o): Depend on output.h.
8066 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8067 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8068 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8069 (rs6000_use_blocks_for_constant_p): New function.
8071 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8073 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8075 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8078 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8081 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8083 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8087 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8090 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8091 instead of DECL_REGISTER.
8093 2006-02-18 Olivier Hainque <hainque@adacore.com>
8096 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8098 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8101 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8102 * opth-gen.awk: Handle Var and InverseMask together.
8103 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8104 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8105 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8106 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8108 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8109 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8110 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8111 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8112 LINUX_DYNAMIC_LINKER): Define.
8113 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8114 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8116 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8117 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8118 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8119 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8120 (TARGET_C99_FUNCTIONS): Don't define.
8121 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8122 GLIBC_DYNAMIC_LINKER.
8123 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8124 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8125 GLIBC_DYNAMIC_LINKER64): Define.
8126 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8127 LINUX_DYNAMIC_LINKER64.
8128 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8129 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8130 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8131 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8132 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8133 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8134 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8135 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8136 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8137 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8138 and LINUX_DYNAMIC_LINKER32.
8139 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8140 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8141 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8142 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8143 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8145 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8146 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8147 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8148 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8149 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8150 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8151 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8152 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8153 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8154 LINUX_DYNAMIC_LINKER): Define.
8155 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8156 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8157 GLIBC_DYNAMIC_LINKER64): Define.
8158 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8159 LINUX_DYNAMIC_LINKER64.
8160 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8161 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8162 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8163 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8164 LINUX_DYNAMIC_LINKER): Define.
8165 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8166 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8167 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8168 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8169 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8170 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8171 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8172 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8173 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8174 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8175 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8176 * doc/invoke.texi (-muclibc): Remove caveat about supported
8179 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8181 * doc/cpp.texi (__TIMESTAMP__): Document.
8183 2006-02-17 Roger Sayle <roger@eyesopen.com>
8186 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8187 C is one less than the width of X (and related transformations).
8188 * simplify-rtx.c (simplify_unary_operation_1): Transform
8189 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8190 depending on STORE_FLAG_VALUE, were C is one less then the
8193 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8195 Fix PR tree-optimization/26341
8196 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8197 about NAME_MEMORY_TAG's.
8199 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8202 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8203 with hardware float support, and software float support. Add fcpy
8204 alternative to hardware patterns. Add alternatives to copy between
8205 general and floating-point registers to the 32-bit pattern.
8206 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8207 secondary reload to load a QI or HI mode constant into a floating
8209 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8210 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8212 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8215 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8217 (load_macho_picbase_di): Likewise.
8219 2006-02-16 Jeff Law <law@redhat.com>
8221 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8222 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8223 (ssa_name_nonzero_p): Likewise.
8224 (get_value_range): Return NULL if VRP is not running.
8225 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8226 VRP routines do not discover a range.
8227 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8228 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8229 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8230 (tree_expr_nonnegative_p): Similarly.
8231 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8232 (restore_nonzero_vars_to_original_value): Remove.
8233 (unsafe_associative_fp_binop): Remove.
8234 (tree_ssa_dominator_optimize): Remove initialization and
8235 finalization of nonzero_vars and nonzero_vars_stack.
8236 (dom_opt_initialize_block): No longer push marker on
8238 (dom_opt_finalize_block): No longer call
8239 restore_nonzero_vars_to_original_value.
8240 (record_equivalences_from_phis): No longer look for
8241 nonzero PHI arguments.
8242 (cprop_into_successor_phis): No longer propagate nonzero
8243 property into PHI arguments. Lose unused argument. Caller
8245 (record_equivalences_from_stmt): No longer record nonzero
8246 values for SSA_NAMEs.
8247 (lookup_avail_expr): No longer use nonzero_vars.
8249 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8250 for sizetype when sizetype is unsigned.
8252 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8254 PR rtl-optimization/25603
8255 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8256 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8257 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8258 with new meaning of SETS.
8260 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8265 * config/linux.opt: New file.
8266 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8267 LINUX_DYNAMIC_LINKER): Define.
8268 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8269 * config.gcc (*-*-linux*): Define extra_options.
8270 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8271 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8272 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8273 GLIBC_DYNAMIC_LINKER.
8274 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8275 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8276 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8277 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8278 * doc/invoke.texi (GNU/Linux Options): New section.
8280 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8282 * config/sparc/sparc.md (setjmp): Rewrite.
8283 (setjmp_32): Delete.
8284 (setjmp_64): Likewise.
8286 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8288 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8291 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8293 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8296 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8298 PR rtl-optimization/26296
8299 * Makefile.in (loop-invariant.c): Add except.h dependency.
8300 * loop-invariant.c: Include except.h.
8301 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8303 2005-02-16 Paul Brook <paul@codesourcery.com>
8305 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8308 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8310 PR rtl-optimization/25636
8311 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8312 when deciding whether an insn is an initializing insn.
8314 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8316 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8317 (tree_code_size): Ditto.
8318 * tree.h (struct tree_memory_tag): Remove parent_var.
8319 (struct tree_struct_field_tag): New.
8322 (union tree_node): Add sft member.
8323 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8325 (create_sft): Add size and offset argument, set SFT_OFFSET and
8327 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8328 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8329 * tree-flow-inline.h (get_subvar_at): Update for
8330 SFT_OFFSET/SFT_SIZE.
8331 (var_can_have_subvars): Ditto.
8332 (overlap_subvar): Ditto.
8333 * print-tree.c (print_node): Print out interesting things for
8335 * tree-flow.h (struct subvar): Remove offset and size members.
8336 * tree-ssa-operands.c (get_expr_operands): Update for
8337 get_indirect_ref_operands changes.
8338 (get_indirect_ref_operands): Call add_virtual_operand instead of
8339 add_stmt_operand. Only recurse on base var if requested.
8340 (access_can_touch_variable): New function.
8341 (add_stmt_operand): Split virtual operand handling into ...
8342 (add_virtual_operand): Here. Add offset, size, and for_clobber
8343 arguments. Prune alias sets.
8344 (add_call_clobber_ops): Call add_virtual_operand.
8346 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8349 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8351 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8352 than TREE_CODE as index into omp_clause_num_ops array.
8354 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8356 PR rtl-optimization/26184
8357 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8359 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8360 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8361 must_precede, must_follow and tobe_scheduled.
8364 * opts.c (common_handle_option): Free new_option pointer.
8365 * df-core.c (df_analyze): Free postorder pointer.
8367 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8369 * Makefile.in: Fix the examples about the use of stamps
8371 2006-02-15 Michael Matz <matz@suse.de>
8375 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8376 influenced by maximum_field_alignment or DECL_PACKED.
8377 (update_alignment_for_field): Ditto.
8378 (place_field): Ditto.
8379 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8382 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8384 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8385 (debug_flow_info): Pass it.
8386 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8387 * bb-reorder.c (reorder_basic_blocks): Likewise.
8388 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8389 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8390 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8391 * gcse.c (gcse_main, bypass_jumps): Likewise.
8392 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8393 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8394 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8395 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8396 * rtl.h (dump_flow_info): Adjust prototype.
8397 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8398 * var-tracking.c (variable_tracking_main): Likewise.
8399 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8400 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8403 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8405 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8408 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8410 PR tree-optimization/26209
8411 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8412 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8414 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8416 2006-02-14 Roger Sayle <roger@eyesopen.com>
8419 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8420 (X,Y) and the corresponding symmetry related transformations.
8421 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8422 (X,Y) and its symmetry related transformations.
8424 2006-02-14 Roger Sayle <roger@eyesopen.com>
8426 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8429 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8431 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8433 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8436 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8437 support COMDAT group.
8438 * configure: Regenerate.
8440 2006-02-14 Roger Sayle <roger@eyesopen.com>
8445 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8447 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8449 Fix PR tree-optimization/26260
8451 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8453 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8454 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8455 * tree-ssa-structalias.c (create_variable_info_for): Use
8456 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8458 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8460 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8462 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8463 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8464 of the ending condition.
8465 * tree-ssa-loop-manip.c: Include params.h.
8466 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8467 tree_unroll_loop): New functions.
8468 * tree-pass.h (pass_loop_prefetch): Declare.
8469 * loop.c (rest_of_handle_loop_optimize): Test for
8470 -fprefetch-loop-arrays-rtl.
8471 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8472 * timevar.def (TV_TREE_PREFETCH): New timevar.
8473 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8474 pass_loop_prefetch): New.
8475 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8476 (cleanup_tree_cfg_loop): Call scev_reset.
8477 * common.opt (fprefetch-loop-arrays-rtl): Add.
8478 * tree-ssa-loop-prefetch.c: New file.
8479 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8480 (new_temp_expr_table): Initialize expr_vars.
8481 (free_temp_expr_table): Cleanup expr_vars.
8482 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8483 expressions from being merged into one.
8484 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8485 (struct tree_niter_desc): Add control, bound and cmp fields.
8486 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8488 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8489 (tree-cfgcleanup.o): Add SCEV_H dependency.
8490 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8491 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8493 2006-02-14 Richard Guenther <rguenther@suse.de>
8495 PR tree-optimization/26258
8496 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8497 in PHI argument processing.
8499 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8501 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8502 new expression in the requested machine mode.
8504 2006-02-13 Roger Sayle <roger@eyesopen.com>
8506 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8507 directly, instead let do_compare_rtx_and_jump handle this for us.
8508 * expr.c (expand_expr_real_1): Likewise.
8509 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8510 before do_jump_by_parts_greater.
8511 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8512 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8514 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8516 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8518 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8520 PR rtl-optimization/26235
8521 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8522 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8525 2006-02-13 Jeff Law <law@redhat.com>
8527 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8530 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8533 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8534 twice if decl is a builtin. When trying again, call get_callee_fndecl
8535 first to verify it is still a builtin.
8537 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8539 * dwarf2out.c (base_type_die): Don't add AT_name here.
8540 (subrange_type_die): Don't add AT_name here.
8541 (modified_type_die): Rearrange code flow. Do add AT_name here.
8543 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8545 PR rtl-optimization/26247
8546 PR rtl-optimization/26248
8547 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8549 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8551 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8552 * config/fixtfdi.c: Likewise.
8553 * config/fixunstfdi.c: Likewise.
8554 * config/floatditf.c: Likewise.
8556 2006-02-13 Roger Sayle <roger@eyesopen.com>
8559 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8560 into (X,C2) if C1 is a subset of the bits of C2. Transform
8561 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8563 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8565 2006-02-13 Josh Conner <jconner@apple.com>
8568 * varasm.c (function_section): Check for section name before
8569 calling select_section on targets that define
8570 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8571 unlikely_text_section instead of hot_function_section if
8572 first_function_block_is_cold.
8574 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8577 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8579 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8581 PR rtl-optimization/26222
8582 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8583 after tree->rtl expansion.
8584 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8585 before passing it to emit_move_insn.
8587 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8589 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8591 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8592 Clarify documentation.
8593 * c-common.h (warn_write_strings): Remove.
8594 * c-common.c (warn_write_strings): Likewise.
8595 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8598 2006-02-12 Roger Sayle <roger@eyesopen.com>
8601 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8602 (do_jump_parts_zero_rtx): New function renamed from
8603 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8604 (do_jump_parts_equality_rtx): New function split out from
8605 do_jump_parts_equality. Old implementation renamed as above.
8606 Call do_jump_parts_zero_rtx if either operand is zero.
8607 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8608 do all of the heavy lifting.
8609 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8610 calling either do_jump_by_parts_greater_rtx or
8611 do_jump_by_parts_equality_rtx.
8612 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8613 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8614 moved to do_compare_rtx_and_jump, call it directly.
8615 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8616 mode argument. Call do_compare_rtx_and_jump.
8617 (emit_case_nodes): Update calls to do_jump_if_equal.
8619 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8621 PR rtl-optimization/26225
8622 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8624 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8626 PR rtl-optimization/26232
8627 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8629 2006-02-11 Jason Merrill <jason@redhat.com>
8632 * tree-inline.c (declare_return_variable): Just don't use the
8633 modify target if it's a gimple complex reg and the return slot
8636 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8638 * doc/contrib.texi: Update my entry.
8640 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8642 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8644 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8646 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8649 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8651 * doc/invoke.texi (-floop-optimize2): Removed.
8652 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8653 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8654 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8655 * common.opt (floop-optimize2): Removed.
8656 (fmove-loop-invariants): Enabled by default.
8658 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8660 * tree-if-conv.c (combine_blocks): Free the result of
8661 get_loop_exit_edges.
8663 2006-02-10 Jeff Law <law@redhat.com>
8665 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8667 PR tree-optimization/26213
8668 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8669 loop trying to follow SSA_NAME_VALUE chains.
8671 2006-02-10 Richard Guenther <rguenther@suse.de>
8673 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8674 deal with structures that end in implicitly variable sized arrays.
8676 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8678 PR rtl-optimization/24762
8679 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8682 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8684 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8685 (struct ivopts_data): Add regs_used field.
8686 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8687 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8688 instead of loop_data->regs_used;
8689 (free_loop_data): Do not free aux fields for loops.
8690 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8691 and tree_ssa_iv_optimize_finalize.
8693 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8695 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8697 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8700 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8701 computing the effective result type.
8703 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8706 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8707 (tree_overlaps_hard_reg_set): Declare.
8708 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8709 type and signature to match function type expected by walk_tree.
8710 (tree_overlaps_hard_reg_set): New function.
8711 (decl_conflicts_with_clobbers_p): Rename to:
8712 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8713 Use tree_overlaps_hard_reg_set. Changed caller.
8714 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8715 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8716 * cris.c (cris_md_asm_clobbers): Likewise.
8718 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8720 * reload1.c (emit_input_reload_insns): Delete code that tries to
8721 inherit using find_equiv_reg.
8723 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8725 * c-common.h (flag_const_strings): Don't declare.
8726 * c-common.c (flag_const_strings): Remove.
8727 * c.opt (fconst_strings): Remove.
8728 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8729 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8730 (c_common_init_options): Don't set flag_const_strings.
8731 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8733 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8735 * arm.md (tlobits_cbranch): New pattern.
8736 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8737 testing a single bit.
8739 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8742 * tree-ssa-pre.c (create_component_ref_by_pieces):
8743 Handle RETURN_DECL like VAR_DECL.
8745 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8748 * fold-const.c (fold_indirect_ref_1): Fold
8749 "*(foo *)&complexfoo" to "__real__ complexfoo"
8750 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8752 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8754 * tree-flow-inline.h (var_can_have_subvars):
8755 Volatile variables should not have subvariables.
8757 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8760 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8761 multiplying unsigned values.
8764 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8766 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8768 2006-02-08 Jason Merrill <jason@redhat.com>
8771 * tree.def: Elaborate on difference from MODIFY_EXPR.
8772 * doc/c-tree.texi (INIT_EXPR): Likewise.
8773 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8774 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8775 (gimplify_target_expr): Likewise.
8776 (gimplify_cond_expr): Remove target handling.
8777 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8778 (gimplify_expr): Clobber it here.
8779 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8780 Do return slot optimization if we have an INIT_EXPR.
8783 * tree-inline.c (declare_return_variable): Also clear
8784 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8787 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8790 * gimplify.c (gimplify_one_sizepos): Fix typo.
8792 2006-02-08 Jeff Law <law@redhat.com>
8794 PR tree-optimization/21417
8795 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8796 across a backedge if the control statement at the end of the
8797 block is data dependent on other statements in the same block.
8798 (record_temporary_equivalences_from_stmts): Remove over-conservative
8799 test for threading across backedges.
8801 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8802 control statement, handle all three special cases in the same
8803 manner as they all have the same desired solution. No longer
8804 special case edge flag updating when the post dominator is
8807 2006-02-08 Roger Sayle <roger@eyesopen.com>
8809 * tree.def (CHAR_TYPE): Remove.
8810 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8811 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8812 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8813 (gen_string_type_die): Delete unreachable function.
8815 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8816 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8817 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8818 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8819 * builtins.c (type_to_class): Likewise.
8820 * fold-const.c (fold_convert, build_range_check,
8821 merge_ranges): Likewise.
8822 * expr.c (count_type_elements): Likewise.
8823 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8824 * stor-layout.c (layout_type): Likewise.
8825 * ipa-type-escape.c (type_to_consider): Likewise.
8826 * gimplify.c (omp_firstprivatize_type_sizes,
8827 gimplify_type_sizes): Likewise.
8828 * explow.c (promote_mode): Likewise.
8829 * tree-sra.c (is_sra_scalar_type): Likewise.
8830 * varasm.c (output_constant): Likewise.
8831 * tree-inline.c (remap_type_1): Likewise.
8832 * convert.c (convert_to_pointer, convert_to_real,
8833 convert_to_integer, convert_to_complex): Likewise.
8835 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8837 * df-scan.c (df_def_record_1): A set destination may
8838 be a parallel regardless of mode.
8840 2006-02-08 Roger Sayle <roger@eyesopen.com>
8843 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8844 * config/mips/_tilib.c: Remove.
8845 * config/fixtfdi.c: New libgcc source file.
8846 * config/fixunstfdi.c: New source file.
8847 * config/floatditf.c: New source file.
8848 * config/floatunditf.c: New souce file.
8849 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8850 files above instead of config/mips/_tilib.c.
8851 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8853 2006-02-08 Jeff Law <law@redhat.com>
8855 PR tree-optimization/26169
8856 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8859 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8861 * df.h (DF_REG_SIZE): Return the length of the initialized
8864 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8866 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8867 __muldf3): Return a correctly signed zero.
8869 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8871 * passes.c (register_one_dump_file): Accept the current properties
8872 instead of pass number. Adjust call to dump_register. Remove
8874 (register_dump_files): Now a wrapper around...
8875 (register_dump_files_1): ... this one. Do not modify the pass
8877 (next_pass_1): Cosmetic fix.
8878 (execute_todo): Keep second parameter only. Use curr_properties
8879 instead of fetching it from the pass structure. Check and set
8881 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8882 instead of fetching it from the pass structure. Fix calls to
8883 execute_todo. Update curr_properties and initialize .vcg RTL dump
8884 after running the pass. Reset last_verified.
8885 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8887 (FIRST_AUTO_NUMBERED_DUMP): New.
8888 (dump_register): Remove "num" parameter, assign it within the
8890 (get_dump_file_name): Modify template for dumps.
8891 * tree-dump.h (dump_register): Adjust prototype.
8892 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8893 (PROP_trees): Add PROP_gimple_lomp.
8894 (TODO_set_props): New.
8895 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8896 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8897 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8899 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8901 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8902 (sparc64-*-linux*): Likewise.
8903 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8904 * config/sparc/t-linux: New file.
8905 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8906 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8907 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8908 -m32 -mlong-double-128.
8910 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8911 * config/alpha/t-linux: New file.
8912 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8914 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8915 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8916 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8917 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8918 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8919 (CPP_ARCH32_SPEC): Remove.
8921 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8923 PR tree-optimization/26145
8924 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8927 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8930 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8931 >= 240000 when generating code for SOM runtime.
8932 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8933 to $$dyncall when generating code for SOM runtime..
8935 2006-02-07 Dirk Mueller <dmueller@suse.com>
8938 * doc/invoke.texi (-Wsequence-point): Update documentation
8939 that -Wsequence-point is implemented for C++ as well.
8941 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8943 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8944 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8945 (LIB_SPEC): Likewise.
8946 * doc/invoke.texi (SPARC options): Document -pthread.
8948 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8950 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8953 2006-02-07 Roger Sayle <roger@eyesopen.com>
8955 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8956 Correct comment describing BOOLEAN_TYPE.
8958 2006-02-07 Dirk Mueller <dmueller@suse.com>
8960 * c.opt: C++ frontend supports -Wdiv-by-zero.
8961 * c-opts.c (c_common_handle_option): Remove dead case.
8963 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8965 * configure.ac (TLS assembler check): Do not enable TLS by
8966 default on SPARC/Solaris before version 10.
8967 * configure: Regenerate.
8969 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8971 * doc/invoke.texi (xl-compat): Document conversion and support
8974 2006-02-07 Jeff Law <law@redhat.com>
8976 * tree-vrp.c (find_conditional_asserts): Update comments.
8977 (simplify_stmt_for_jump_threading): New.
8978 (identify_jump_threads, finalize_jump_threads): New.
8979 (vrp_finalize): Call identify_jump_threads.
8980 (execute_vrp): Call finalize_jump_threads.
8981 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8982 (vrp_element, vrp_data, vrp_element_p): Remove.
8983 (vrp_hash_elt, vrp_variables_stack): Remove.
8984 (vrp_hash, vrp_eq, record_range): Remove.
8985 (simplify_cond_and_lookup_avail_expr): Remove.
8986 (extract_range_from_cond): Remove.
8987 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8988 (simplify_stmt_for_jump_threading): New.
8989 (dom_thread_across_edge): New wrapper.
8990 (tree_ssa_dominator_optimize): No longer initialize or
8991 finalize any of the VRP datastructures. Remove iteration
8992 step and simplify as a result of removal of iteration step.
8993 (pass_dominator): Perform a cfg cleanup after DOM.
8994 (dom_opt_finalize_block): Use the new common routines
8995 for threading jumps. Simplify stack management slightly.
8996 No longer need to unwind VRP state.
8997 (record_equivalences_from_incoming_edge): No longer record
8999 (eliminate_redundant_computations): No longer call
9000 simplify_cond_and_lookup_avail_expr.
9001 * tree-flow.h (potentially_threadable_block): Prototype.
9002 (thread_across_edge): Likewise.
9003 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9004 (tree-ssa-threadedge.o): Add dependencies.
9005 * tree-ssa-threadedge.c: New file.
9006 * passes.c (init_optimization_passes): Merge PHIs before
9007 calling VRP. Run VRP again late in the SSA optimization pipeline.
9009 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9011 * df-core.c (df_set_blocks): Do not dereference function pointers.
9012 (df_finish1): Likewise.
9013 (df_hybrid_search_forward): Likewise.
9014 (df_hybrid_search_backward): Likewise.
9015 (df_iterative_dataflow): Likewise.
9016 (df_analyze_problem): Likewise.
9017 (df_compact_blocks): Likewise.
9018 (df_dump): Likewise.
9019 * df-scan.c (df_rescan_blocks): Likewise.
9020 (df_record_entry_block_defs): Likewise.
9022 * genconditions.c (write_conditions): Guard the definition of
9023 'insn_conditions' with the check on GCC version.
9024 (write_writer): Guard the traversal 'insn_conditions' with
9025 the check on GCC version.
9027 2006-02-07 Richard Guenther <rguenther@suse.de>
9031 2006-01-30 Richard Guenther <rguenther@suse.de>
9033 * gimplify.c (gimplify_target_expr): Handle easy cases
9034 without creating a temporary.
9036 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9038 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9039 use of float in probability computations. Use edge probabilities
9040 in place of statically computed probabilities.
9041 (min_spec_prob): New static variable.
9042 (schedule_insns): Initialize it.
9043 (GET_SRC_PROB): Removed.
9044 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9046 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9049 * config/ia64/unwind-ia64.c: Revert last change.
9050 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9051 (INCOMING_FRAME_SP_OFFSET): Define.
9053 2006-02-06 Roger Sayle <roger@eyesopen.com>
9055 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9057 2006-02-07 Ben Elliston <bje@au.ibm.com>
9059 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9060 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9061 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9062 (ix86_return_in_memory): Handle TDmode.
9063 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9064 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9066 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9068 * reorg.c (dbr_schedule): Use dump_file instead of file.
9070 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9073 * config/ia64/predicates.md (extr_len_operand): New predicate.
9074 * config/ia64/ia64.md (extv): Tighten constraints.
9076 (*tbit_and_2): Ditto.
9077 (*tbit_and_3): Ditto.
9078 (*tbit_or_2): Ditto.
9079 (*tbit_or_3): Ditto.
9083 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9086 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9088 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9090 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9091 loop_optimizer_init and loop_optimizer_finalize
9092 * tree-ssa-sink.c (execute_sink_code): Ditto.
9093 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9094 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9095 tree_ssa_loop_done): Ditto.
9096 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9097 * sched-ebb.c: Include output.h.
9098 (schedule_ebbs): Do not use dump argument.
9099 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9100 * loop.c (loop_dump_stream): Removed.
9101 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9103 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9104 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9105 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9106 loop_iterations, strength_reduce, record_biv, record_giv,
9107 final_giv_value, check_final_value, check_ext_dependent_givs,
9108 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9109 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9110 dump_file instead of loop_dump_stream.
9111 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9113 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9115 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9116 * haifa-sched.c: Include output.h
9117 (schedule_insns, sched_init): Do not use dump argument.
9118 * mode-switching.c (optimize_mode_switching): Ditto.
9119 * modulo-sched.c (stats_file): Removed.
9120 (print_node_sched_params): Do not call argument dump_file.
9121 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9122 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9124 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9126 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9127 rtl_loop_init, rtl_loop_done): Ditto.
9128 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9129 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9131 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9132 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9133 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9134 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9135 * emit-rtl.c (renumber_insns): Ditto.
9136 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9137 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9138 * regclass.c (regclass): Ditto.
9139 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9140 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9141 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9142 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9144 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9145 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9147 * gcse.c (gcse_file, debug_stderr): Removed.
9148 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9149 rest_of_handle_gcse): Do not use dump argument.
9150 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9151 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9152 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9153 compute_code_hoist_vbeinout, compute_code_hoist_data,
9154 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9155 compute_store_table, build_store_vectors, insert_insn_start_bb,
9156 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9157 store_motion): Use dump_file instead of gcse_file.
9158 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9159 * profile.c (profile_dump_file): Removed.
9160 (branch_prob): Use dump_file instead of profile_dump_file.
9161 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9163 * tree-ssa-copy.c (dump_copy_of): Ditto.
9164 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9165 dump file to life_analysis.
9166 * bt-load.c (branch_target_load_optimize): Ditto.
9167 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9169 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9170 regclass, dbr_schedule): Declaration changed.
9171 * sched-int.h (sched_init): Declaration changed.
9172 * tree-profile.c (tree_profile_dump_file): Removed.
9173 (tree_profile_hooks): Removed profile_dump_file hook.
9174 * rtl-profile (rtl_profile_dump_file): Removed.
9175 (rtl_profile_hooks): emoved profile_dump_file hook.
9176 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9178 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9179 * tree-cfg.c (build_tree_cfg): Ditto.
9180 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9181 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9182 Declaration changed.
9183 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9184 life_analysis and schedule_insns.
9185 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9187 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9189 * config/mips/mips.c (mips_reorg): Ditto.
9190 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9193 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9195 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9196 (s390_mangle_fundamental_type): New.
9197 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9200 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9201 (alpha_mangle_fundamental_type): New.
9202 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9205 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9207 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9209 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9210 (sparc_mangle_fundamental_type): New.
9212 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9214 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9215 (s390x-*-linux*): Likewise.
9216 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9217 * config/s390/t-linux: New file.
9219 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9221 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9222 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9224 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9226 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9227 (ANTIC_SAFE_LOADS): New macro.
9228 (find_or_generate_expression): Add prototype.
9229 (set_contains_value): Allow null set for sake of not always having
9230 to allocate ANTIC_SAFE_LOADS.
9231 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9232 Allow COMPONENT_REF too.
9233 (valid_in_set): Allow COMPONENT_REF.
9234 Check ANTIC_SAFE_LOADS too.
9235 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9236 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9238 (can_PRE_operation): Add COMPONENT_REF.
9239 (create_component_ref_by_pieces): New function.
9240 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9241 (insert_aux): Move AGGREGATE_TYPE_P check here.
9242 (compute_avail): Set bb local stmt uids.
9243 (pass_pre): Use TODO_update_ssa_only_virtuals.
9245 2006-02-06 Ben Elliston <bje@au.ibm.com>
9247 * configure.ac: Unconditionally disable decimal float by default.
9248 * configure: Regenerate.
9250 2006-02-06 Ben Elliston <bje@au.ibm.com>
9252 * read-rtl.c (read_name): Terminate reading on EOF.
9254 2006-02-06 Ben Elliston <bje@au.ibm.com>
9256 * dfp.c (decimal_real_arithmetic): Change second argument type
9257 from int to enum tree_code. Do not always return true, but now
9258 return result of any call to decimal_do helper functions.
9259 * dfp.h (decimal_real_arithmetic): Update prototype.
9261 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9263 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9265 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9268 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9271 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9273 * tree-vrp.c (cfg_loops): Removed.
9274 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9275 Use current_loops instead of cfg_loops. Pass flags to
9276 loop_optimizer_init.
9277 * cfgloopmanip.c (fix_loop_structure): Update only available
9279 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9280 loop_optimizer_init.
9281 * modulo-sched.c (build_loops_structure): Removed.
9282 (sms_schedule): Use loop_optimizer_init.
9283 * loop-init.c (loop_optimizer_init): Use flags to determine
9284 which properties of loops to prepare.
9285 (rtl_loop_init): Pass flags to loop_optimizer_init.
9286 * tree-ssa-sink.c (execute_sink_code): Ditto.
9287 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9288 * tree-ssa-pre.c (init_pre): Ditto.
9289 * cfgloop.h (LOOPS_NORMAL): New.
9290 (loop_optimizer_init): Declaration changed.
9292 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9294 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9295 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9297 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9299 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9301 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9302 * pa/t-pa64: Delete quadlib.c rule.
9303 * pa/x-ada: Revert last change.
9304 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9306 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9308 PR rtl-optimization/26087
9309 * rtlanal.c (canonicalize_condition): Do not cross basic block
9312 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9315 * config/ia64/ia64.c: Include debug.h.
9316 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9317 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9318 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9319 (process_epilogue, process_set, process_for_unwind_directive):
9320 Output unwind info only if requested. Add CFA info if requested.
9321 Add new arguments as needed. Adjust callers.
9322 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9324 (DWARF2_FRAME_INFO): Define to zero.
9325 * config/ia64/unwind-ia64.c: Remove code that compensated for
9326 the CFA offset error fixed above.
9327 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9328 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9329 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9330 -funwind-tables and -fexceptions to enable frame info.
9331 (dwarf2out_frame_init): Define initial CFA even if
9332 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9333 DWARF2_UNWIND_INFO is nonzero, not just defined.
9334 (dwarf2out_frame_finish): Output non-EH call frame info only
9335 if DWARF2_FRAME_INFO is nonzero.
9336 (convert_cfa_to_loc_list,
9337 compute_frame_pointer_to_cfa_displacement): Define even if
9338 unwind info is not supported.
9339 (gen_subprogram_die): Use the above unconditionally. Remove
9340 legacy alternate code.
9341 * toplev.c (compile_file): Compile in call to
9342 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9343 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9345 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9346 Jakub Jelinek <jakub@redhat.com>
9348 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9349 IBM extended float format long double as "g" on powerpc*-linux.
9351 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9354 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9355 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9357 2006-02-03 Jason Merrill <jason@redhat.com>
9360 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9363 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9364 on the return slot if it's an NRV.
9366 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9368 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9369 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9370 rewrite_use): Do not handle USE_OUTER.
9371 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9372 add_iv_outer_candidates, may_replace_final_value,
9373 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9374 (find_interesting_uses_op): Functionality of
9375 find_interesting_uses_outer_or_nonlin moved here.
9376 (find_interesting_uses_outside): Use find_interesting_uses_op.
9378 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9381 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9383 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9384 Ulrich Weigand <uweigand@de.ibm.com>
9387 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9388 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9389 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9390 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9392 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9393 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9394 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9395 Define secondary reloads for TFmode moves.
9396 (constant_modes): Add TFmode.
9397 (NR_C_MODES): Set to 8.
9398 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9400 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9401 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9402 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9403 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9404 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9405 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9406 (FPR mode macro): Add TFmode.
9407 (DSF mode macro): New.
9408 (<de>, <dee> mode attributes): Removed.
9409 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9410 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9411 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9412 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9413 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9414 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9415 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9416 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9417 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9418 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9419 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9420 "*negabs<mode>2", "sqrt<mode>2"):
9421 Changed <de> to <xde>. R constraint replaced by <Rf>.
9422 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9424 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9425 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9426 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9428 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9429 "extenddftf2", "extendsftf2"): New expanders.
9430 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9431 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9432 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9433 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9435 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9436 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9437 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9438 __floatditf): Add a GCC_4.1.0 symbol version tag.
9439 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9442 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9445 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9446 Use targetm.binds_local_p instead of TREE_PUBLIC.
9448 2006-02-02 Roger Sayle <roger@eyesopen.com>
9450 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9451 on INTEGER_TYPEs to indicate that it denotes a character type.
9452 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9453 signed_char_type_node, unsigned_char_type_node and char_type_node.
9454 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9455 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9456 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9458 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9459 Daniel Berlin <dberlin@dberlin.org>
9461 * tree-tailcall.c (arg_needs_copy_p): New function.
9462 (eliminate_tail_call): Use arg_needs_copy_p.
9463 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9464 (add_virtual_phis): New function.
9466 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9468 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9469 #ignore instead of #scratch for %g7 .register directive.
9471 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9473 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9476 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9478 * flow.c (calculate_global_regs_live): Assert that there aren't any
9481 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9483 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9485 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9486 bsi_after_labels iterator.
9487 * tree-if-conv.c (find_phi_replacement_condition,
9488 replace_phi_with_cond_modify_expr): Likewise.
9489 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9490 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9492 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9494 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9496 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9499 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9500 array after growing it.
9502 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9505 * fold-const.c (fold_checksum_tree): Change type of buf.
9507 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9509 * reload.c (push_secondary_reload): Initialize t_icode.
9511 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9513 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9514 -msoft-float -mlong-double-128 only issue a warning, but don't
9515 swich to DFmode long double.
9517 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9519 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9520 has a constant equivalent, iterate over equivalents for arg0,
9521 calling simplify_relational_operation and if there's a result
9522 cheaper than X, apply fold_rtx and return the result.
9524 2006-02-01 Jan Hubicka <jh@suse.cz>
9526 * opts.c (no_unit_at_a_time_default): New global variable.
9527 (decode_options): Use it.
9528 * opts.h (no_unit_at_a_time_default): Declare.
9530 2006-02-01 Paul Brook <paul@codesourcery.com>
9532 * function.c (assign_parm_setup_reg): Use function argument promotion
9534 * expr.c (expand_expr_real_1): Use function argument promotion rules
9537 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9539 * gcc.c (process_command): Change j to 'unsigned int'.
9541 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9544 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9545 Use the corrected index for the character
9546 out of the string constant.
9548 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9550 * mode-switching.c (optimize_mode_switching): Fix size
9551 allocated for bb_info[n_entities].
9553 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9555 * gcc.c (main): Correct type that is allocated for
9556 explicit_link_files.
9558 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9560 * config/s390/s390.c (init_alignment_context): Set
9561 ALIAS_SET_MEMORY_BARRIER on the MEM.
9562 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9564 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9567 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9569 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9572 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9574 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9575 * regrename.c: Ditto.
9576 * tree-ssa-loop-im.c: Ditto.
9577 * tree-dump.c: Ditto.
9578 * tree-complex.c: Ditto.
9579 * genrecog.c: Ditto.
9580 * tree-ssa-threadupdate.c: Ditto.
9582 * java/class.c: Ditto.
9583 * java/jcf-parse.c: Ditto.
9584 * java/resource.c: Ditto.
9585 * java/except.c: Ditto.
9586 * java/jvspec.c: Ditto.
9587 * java/jcf-write.c: Ditto.
9588 * java/jcf-path.c: Ditto.
9589 * java/gjavah.c: Ditto.
9590 * java/zextract.c: Ditto.
9591 * java/jcf-io.c: Ditto.
9592 * java/jcf.h: Ditto.
9593 * java/buffer.c: Ditto.
9594 * java/lang.c: Ditto.
9595 * java/parse-scan.y: Ditto.
9596 * java/lex.c: Ditto.
9597 * java/lex.h: Ditto.
9598 * cfgloopmanip.c: Ditto.
9599 * postreload-gcse.c: Ditto.
9600 * tree-ssa-loop-manip.c: Ditto.
9601 * postreload.c: Ditto.
9602 * tree-ssa-loop-ch.c: Ditto.
9606 * diagnostic.c: Ditto.
9608 * genoutput.c: Ditto.
9610 * cfghooks.c: Ditto.
9611 * cfgloopanal.c: Ditto.
9612 * objc/objc-act.c: Ditto.
9614 * genextract.c: Ditto.
9615 * genautomata.c: Ditto.
9616 * pretty-print.c: Ditto.
9618 * cgraphunit.c: Ditto.
9621 * haifa-sched.c: Ditto.
9622 * dominance.c: Ditto.
9624 * tree-ssa-loop-ivopts.c: Ditto.
9626 * mode-switching.c: Ditto.
9627 * modulo-sched.c: Ditto.
9629 * ipa-pure-const.c: Ditto.
9631 * fix-header.c: Ditto.
9633 * tree-stdarg.c: Ditto.
9634 * ipa-utils.c: Ditto.
9635 * loop-init.c: Ditto.
9636 * ipa-inline.c: Ditto.
9639 * alloc-pool.c: Ditto.
9640 * dwarf2out.c: Ditto.
9642 * genattrtab.c: Ditto.
9643 * tree-ssa-loop-ivcanon.c: Ditto.
9647 * fortran/gfortranspec.c: Ditto.
9649 * local-alloc.c: Ditto.
9650 * langhooks.c: Ditto.
9651 * function.c: Ditto.
9652 * tree-vectorizer.c: Ditto.
9654 * ipa-type-escape.c: Ditto.
9656 * tree-if-conv.c: Ditto.
9659 * tree-data-ref.c: Ditto.
9660 * loop-unroll.c: Ditto.
9661 * treelang/treetree.c: Ditto.
9664 * ggc-common.c: Ditto.
9666 * coverage.c: Ditto.
9668 * tree-cfgcleanup.c: Ditto.
9669 * tree-ssa-pre.c: Ditto.
9670 * cfgcleanup.c: Ditto.
9671 * loop-invariant.c: Ditto.
9673 * ipa-prop.c: Ditto.
9674 * print-tree.c: Ditto.
9675 * conflict.c: Ditto.
9676 * ggc-page.c: Ditto.
9677 * sched-deps.c: Ditto.
9678 * regclass.c: Ditto.
9679 * tree-object-size.c: Ditto.
9681 * bb-reorder.c: Ditto.
9682 * resource.c: Ditto.
9683 * var-tracking.c: Ditto.
9685 * df-problems.c: Ditto.
9686 * reg-stack.c: Ditto.
9689 * sched-rgn.c: Ditto.
9690 * tree-ssa-structalias.c: Ditto.
9691 * tree-ssa-reassoc.c: Ditto.
9692 * config/darwin-c.c: Ditto.
9693 * config/darwin.c: Ditto.
9694 * config/arm/arm.c: Ditto.
9696 * collect2.c: Ditto.
9699 2006-01-31 Nicolas Pitre <nico@cam.org>
9701 * arm.md (smaxsi3): Make aware of smax_m1.
9704 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9706 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9708 2006-01-31 Richard Guenther <rguenther@suse.de>
9710 * doc/invoke.texi (-msselibm): Document.
9711 * target.h (expand_library_builtin): New target hook.
9712 * builtins.c (expand_builtin): Use expand_library_builtin.
9713 (default_expand_library_builtin): New function.
9714 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9715 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9716 (link_gcc_math_spec): Declare.
9717 (static_specs): Add link_gcc_math_spec.
9718 * expr.h (default_expand_library_builtin): Declare.
9719 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9720 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9721 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9722 * config/i386/i386.opt (msselibm): New target option.
9723 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9724 (ix86_init_sse_abi_builtins): New function.
9725 (ix86_expand_library_builtin): Likewise.
9726 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9727 (override_options): Handle error conditions wrt -msselibm.
9728 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9729 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9730 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9733 2006-01-31 Richard Guenther <rguenther@suse.de>
9734 Paolo Bonzini <bonzini@gnu.org>
9736 * doc/install.texi (--disable-libgcc-math): Document.
9738 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9740 * expr.h (expand_normal): new inline function.
9741 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9743 * dwarf2out.c: use it.
9748 * config/sparc/sparc.c: use it.
9749 * config/i386/i386.c: use it.
9750 * config/rs6000/rs6000.c: use it.
9751 * config/arm/arm.c: use it.
9752 * config/mips/mips.c: use it.
9753 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9755 2006-01-30 Roger Sayle <roger@eyesopen.com>
9757 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9758 argv to the appropriate type.
9760 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9762 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9765 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9768 * config/s390/s390.c (struct machine_function): New flag
9769 decomposed_literal_pool_addresses_ok_p.
9770 (s390_reorg): Set it before final stage of literal pool transforms.
9771 (s390_decompose_address): Only accept displacements of the form
9772 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9774 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9776 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9777 the comparison routine return.
9779 2006-01-30 Michael Matz <matz@suse.de>
9781 * global.c (find_reg): Only evict for global regs.
9782 Take n_refs into account and dump more info.
9784 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9787 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9788 (pragma_trap, pragma_nosave_low_regs): Likewise.
9789 (current_function_anonymous_args): Likewise.
9790 (sh_deferred_function_attributes): New variable.
9791 (sh_deferred_function_attributes_tail): Likewise.
9792 (print_operand): For '@', look up trap_exit attribute.
9793 (calc_live_regs): Look up trapa_handler attribute. For trapa
9794 handlers, save/restore fpscr, but don't do any other
9795 interrupt-specific saves.
9796 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9797 Fix check for partially saved registers to check for SHmedia.
9798 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9799 (sh_output_function_epilogue): Don't clear any of the removed
9801 (sh_insert_attributes): Don't check pragma_interrupt.
9802 Insert deferred attributes. Check that interrupt attribute is
9803 present for other attributes that require its presence.
9804 (sh_attribute_table): Add new attributes trapa_handler and
9806 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9807 Don't check for pragma_interrupt. Don't store argument.
9808 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9809 (sh_deferred_function_attributes): Declare.
9810 (sh_deferred_function_attributes_tail): Likewise.
9811 * sh.md (sp_switch_1): Add operand. Change generator caller.
9812 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9813 (*return_i): Don't use when trap_exit attribute is in effect.
9814 (*return_trapa): New insn pattern.
9816 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9817 setting c_target_objs and cxx_target_objs.
9818 * t-sh: Add rule for sh-c.o.
9820 2006-01-30 Richard Guenther <rguenther@suse.de>
9823 * gimplify.c (gimplify_target_expr): Handle easy cases
9824 without creating a temporary.
9826 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9828 * vec.h (safe_grow): Remove duplicated line.
9830 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9833 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9834 (expand_omp): ... here.
9835 (expand_omp_parallel): Only remove barriers for combined
9836 parallel+workshare constructs.
9838 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9842 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9843 * tree.c (build_qualified_type): Chain the new type to the original
9844 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9845 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9846 (build_pointer_type_for_mode): Only return unqualified types.
9847 (build_reference_type_for_mode): Likewise.
9849 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9851 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9852 * Makefile.in (CXX_COMPAT_WARN): Define.
9853 * configure: Regenerate.
9855 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9858 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9861 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9863 * toplev.c: Fix thinko.
9865 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9866 Marcin Dalecki <martin@dalecki.de>
9868 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9869 (push_srcloc): Use XNEW.
9870 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9872 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9874 * df-core.c (df_set_blocks): Deleted all variable.
9876 2006-01-28 Ian Lance Taylor <ian@airs.com>
9878 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9879 cgraph_output_pending_asms.
9881 2006-01-28 Zack Weinberg <zackw@panix.com>
9883 * c.opt: Add -W(no-)overlength-strings.
9884 * doc/invoke.texi: Document it.
9885 * c-opts.c (c_common_handle_option): -pedantic implies
9886 -Woverlength-strings, if not explicitly disabled already.
9887 (c_common_post_options): -Woverlength-strings defaults to off, and
9888 is always off for C++.
9889 * c-common.c (fix_string_type): Issue warning about strings longer
9890 than is portable only if warn_overlength_strings. Rearrange code
9891 a little for clarity.
9892 * configure.in: Check for -Wno-overlength-strings as well before
9893 enabling -pedantic in stage 1.
9894 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9895 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9897 * genconditions.c (write_header, write_one_condition)
9898 (write_conditions, write_writer): Consolidate very long strings
9899 that were broken up to fit in C89 portable limit. Don't use
9900 printf when fputs will do.
9902 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9904 * combine.c (simplify_comparison <AND>): Check
9905 TRULY_NOOP_TRUNCATION before start using a subreg.
9907 * config/mips/mips.md (*branch_zero<mode>,
9908 *branch_zero<mode>_inverted, *branch_equality<mode>,
9909 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9910 Remove mode check from comparisons.
9912 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9914 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9916 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9918 * expmed.c (const_mult_add_overflow_p): Remove.
9919 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9921 * recog.c (validate_replace_rtx_subexp): Remove.
9922 * recog.h: Remove the prototype for
9923 validate_replace_rtx_subexp.
9925 * integrate.h: Remove the prototype for
9926 copy_decl_for_inlining.
9927 * rtl.h: Remove the prototype for mark_constant_function.
9928 * tree-vectorizer.h: Remove the prototype for
9929 vect_strip_conversion.
9931 * modulo-sched.c (create_partial_schedule,
9932 free_partial_schedule, reset_partial_schedule): Make them
9935 * hooks.c (hook_bool_rtx_int_false): Remove.
9936 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9938 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9940 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9941 and -mlong-double-128 are incompatible.
9942 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9943 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9944 (TARGET_LIBGCC2_CFLAGS): Define.
9945 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9946 (TARGET_LIBGCC2_CFLAGS): Same.
9947 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9949 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9952 * c-typeck.c (build_binary_op): Perform implicit casts of
9953 operands before shortening them.
9955 * cfgloopmanip.c (split_loop_bb): Remove.
9956 * cfgloop.h: Remove the prototype for split_loop_bb.
9958 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9959 * cfgloop.h: Remove the prototype for
9960 flow_loop_outside_edge_p.
9962 * emit-rtl.c (init_virtual_regs): Make it static.
9963 * function.h: Remove the prototype for init_virtual_regs.
9965 * recog.c (peephole2_optimize): Make it static.
9966 * recog.h: Remove the prototype for peephole2_optimize.
9968 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9970 * df-scan.c (df_record_entry_block_defs): Check if
9971 INCOMING_RETURN_ADDR_RTX is defined.
9973 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9974 Kenneth Zadeck <zadeck@naturalbridge.com>
9976 PR rtl-optimization/24762
9977 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9978 * targhooks.c (hook_void_bitmap): New hook prototype.
9979 * targhoohs.h (hook_void_bitmap): Ditto.
9980 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9981 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9982 * target.h (live_on_entry): New function pointer.
9983 * df-scan.c (df_all_hard_regs): Removed.
9984 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9985 (df_scan_free_internal): Added df->entry_block_defs.
9986 (df_scan_alloc): Ditto.
9987 (df_scan_dump): Ditto.
9988 (df_uses_record): Plumbed flag field properly thru calls.
9989 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9990 This part fixes PR24762.
9991 (df_bb_refs_record): Added code to make the frame and arg
9992 pointers live in EH blocks.
9993 (df_refs_record): Added call to df_record_entry_block_defs.
9994 (df_record_entry_block_defs): New function.
9995 * df-core.c: Added comments to describe new artifical defs.
9996 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9997 (entry_block_defs): New field in struct df.
9998 (df_all_hard_regs): Deleted.
9999 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10000 * df-problems.c (df_ru_bb_local_compute_process_def):
10001 Added code to handle artifical defs in the entry to a function.
10002 (df_ru_bb_local_compute): Ditto.
10003 (df_rd_bb_local_compute_process_def): Ditto.
10004 (df_rd_bb_local_compute): Ditto.
10005 (df_lr_bb_local_compute): Ditto.
10006 (df_ur_bb_local_compute): Ditto.
10007 (df_urec_bb_local_compute): Ditto.
10008 (df_chain_create_bb): Ditto.
10009 (df_ur_local_finalize): Removed entry.
10010 (df_urec_init): Ditto.
10011 (df_urec_local_finalize): Ditto.
10012 (df_ri_bb_compute): Added detection of last use of pseudos.
10013 * Makefile.in (df-scan.o): Updated dependencies.
10014 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10015 * config/mips/mips.c (mips_set_live_on_entry): Added.
10016 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10018 * dce.c (marked_insn_p): Added code to handle artifical defs.
10020 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10022 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10024 (_mm_cvtsi128_si64): Likewise.
10025 (_mm_cvtsd_si64): Likewise.
10026 (_mm_cvttsd_si64): Likewise.
10027 (_mm_cvtsi64_sd): Likewise.
10028 (_mm_cvtsi64_si128): Likewise.
10029 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10030 (_mm_cvtsi64_m64): Likewise.
10031 (_m_to_int64): Likewise.
10032 (_mm_cvtm64_si64): Likewise.
10033 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10034 (_mm_cvttss_si64): Likewise.
10035 (_mm_cvtsi64_ss): Likewise.
10036 (_mm_cvtss_f32): Likewise.
10038 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10040 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10041 for pragma redefine_extname.
10043 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10046 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10047 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10048 -mno-minimal-toc to previous content.
10049 (bispecs): Remove goal.
10050 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10051 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10052 compatibility aliases on powerpc-*-*gnu*.
10053 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10054 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10055 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10056 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10057 (ldblspecs): New goal.
10058 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10059 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10061 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10062 L_sf_to_tf or L_df_to_tf is defined.
10064 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10065 Alan Modra <amodra@bigpond.net.au>
10068 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10069 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10070 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10071 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10072 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10073 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10074 (rs6000_override_options): Initialize rs6000_ieeequad.
10075 Initialize TFmode format to ibm_extended_format if not
10077 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10079 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10080 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10081 (function_arg_advance): IBM long double passed in two FPRs, not
10083 (function_arg): IBM long double passed in FPRs.
10084 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10085 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10086 Only multireg GPR aligned.
10087 (rs6000_init_libfuncs): Enable IBM long double functions if not
10089 (rs6000_generate_compare): Use IBM long double compare if not
10091 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10092 (TARGET_IEEEQUAD): Define.
10093 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10094 not TARGET_IEEEQUAD.
10095 * config/rs6000/rs6000.md: Enable TFmode patterns if
10097 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10098 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10099 and -mlong-double-128 are incompatible.
10100 * doc/invoke.texi (-mabi): Collect options together. Add
10101 ibmlongdouble and ieeelongdouble.
10103 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10105 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10107 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10108 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10109 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10110 * rtl.h (rtunion_def): Remove rt_ptr.
10112 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10113 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10114 * config/i386/winnt.c (i386_pe_mark_dllexport)
10115 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10117 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10119 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10121 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10125 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10126 pthread_key_delete. From John David Anglin. gthrw-ify
10127 pthread_getunique_np only if it it's not a macro. Delete
10129 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10130 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10131 __gthread_objc_condition_signal, __gthread_key_delete): Add
10132 "__attribute__ ((__unused__))" to unused arguments.
10133 (__gthread_recursive_mutex_init_function): Add missing return.
10134 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10135 gthr-posix95.h: Use macro-based approach for name redirection
10136 on targets missing weakref.
10138 2006-01-26 Zack Weinberg <zackw@panix.com>
10140 * genconditions.c (write_header): In generated code, #ifdef out
10141 all includes and fake declarations, except includes of bconfig.h
10142 and system.h, unless GCC_VERSION >= 3001. Do not include
10143 gensupport.h in any case.
10144 (write_conditions): Generate a definition of struct c_test. Add
10145 a comment to the generated #endif.
10146 (write_one_condition): Escape backslashes in string too.
10147 (write_writer): Generated code must escape backslashes and quote
10148 marks (but not newlines) in the strings it writes.
10149 * Makefile.in (build/gencondmd.o): Update dependencies.
10151 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10154 * Makefile.in (insn-automata.o): Add header file dependencies.
10155 * genautomata.c: Add includes.
10157 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10160 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10162 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10164 * configure.ac: Expect target tools paths to be passed from the toplevel
10165 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10167 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10169 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10172 * c.opt (Wpointer-sign): Init to -1.
10173 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10174 OPT_pedantic, to 0 otherwise.
10175 * doc/invoke.texi: Update.
10177 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10179 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10180 constants provided by 80387 instructions in the destination mode.
10182 2006-01-26 Richard Guenther <rguenther@suse.de>
10183 Andrew Pinski <pinskia@physics.uc.edu>
10186 partial PR tree-opt/17064
10187 * tree-ssa-structalias.c (intra_create_variable_infos):
10188 Create heap variables for incoming parameters if
10189 flag_argument_noalias > 1.
10190 (find_what_p_points_to): Look through default defs of
10193 2006-01-26 Jeff Law <law@redhat.com>
10196 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10197 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10198 within the VR_RANGE, use the VR_RANGE as the result, not the
10200 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10201 bounds for the type.
10203 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10205 * tree-ssa-alias.c (maybe_create_global_var): Change
10206 subvar walking to an assertion that we don't have subvar'd variables.
10208 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10211 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10212 Use a new variable, inner. PARM_DECLs are always non-weak.
10214 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10216 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10217 --disable-checking.
10219 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10221 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10223 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10225 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10226 (smax_insn, smin_insn, smax_0, smin_0): New.
10228 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10231 * config/cris/cris.c (cris_order_for_addsi3): New function.
10232 * config/cris/cris-protos.h: Prototype it.
10233 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10234 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10235 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10236 (split for "op.S1 [rx=rx+i],ry (swapped)")
10237 (split for "op(s|u).S1 [rx=rx+i],ry")
10238 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10239 Apply cris_order_for_addsi3 when generating addsi3 insns.
10241 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10243 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10244 (TREE_BLOCK): Add call to EXPR_CHECK.
10246 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10249 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10250 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10251 (dump_omp_clauses): ... here.
10252 (dump_generic_node): Handle OMP_CLAUSE.
10253 * tree.c (omp_clause_num_ops): New.
10254 (omp_clause_code_name): New.
10255 (tree_code_size): Handle OMP_CLAUSE.
10256 (tree_size): Likewise.
10257 (make_node): Document handling of OMP_CLAUSE.
10258 (tree_node_structure): Handle OMP_CLAUSE.
10259 (omp_clause_check_failed): New.
10260 (omp_clause_range_check_failed): New.
10261 (omp_clause_operand_check_failed): New.
10262 (build_omp_clause): New.
10263 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10264 * tree.h (enum omp_clause_code): Declare.
10265 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10266 (OMP_CLAUSE_RANGE_CHECK): Define.
10267 (OMP_CLAUSE_ELT_CHECK): Define.
10268 (omp_clause_check_failed): Declare.
10269 (omp_clause_operand_check_failed): Declare.
10270 (omp_clause_range_check_failed): Declare.
10271 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10272 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10273 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10274 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10275 (OMP_CLAUSE_IF_EXPR): Likewise.
10276 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10277 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10278 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10279 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10280 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10281 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10282 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10283 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10284 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10285 (OMP_CLAUSE_CODE): Define.
10286 (OMP_CLAUSE_SET_CODE): Define.
10287 (OMP_CLAUSE_CODE): Define.
10288 (OMP_CLAUSE_OPERAND): Define.
10289 (struct tree_omp_clause): Declare.
10290 (union tree_node): Add field 'omp_clause'.
10291 * treestruct.def (TS_OMP_CLAUSE): Define.
10292 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10293 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10294 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10295 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10296 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10297 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10298 (OMP_CLAUSE): Define.
10299 * print-tree.c (print_node): Handle OMP_CLAUSE.
10300 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10301 * c-typeck.c: Likewise.
10302 * gimplify.c: Likewise.
10303 * c-omp.c: Likewise.
10304 * tree-nested.c: Likewise.
10305 * tree-inline.c: Likewise.
10306 * c-parser.c: Likewise.
10307 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10310 2006-01-25 Roger Sayle <roger@eyesopen.com>
10312 PR rtl-optimization/25703
10313 * combine.c (try_combine): Handle zero_extract and strict_low_part
10314 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10316 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10318 * global.c: Fix comment typos.
10320 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10323 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10324 Use output_addr_const instead of assemble_name.
10326 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10328 * Makefile.in (sched-vis.o): Update dependencies.
10329 * haifa-sched.c (sched_finish): Clear current_sched_info.
10330 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10331 (dump_flow_info): Call it.
10332 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10334 * basic-block.h (dump_bb_info): Declare.
10335 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10336 option, and apply options only for dump files whose TDF_RTL,
10337 TDF_TREE, or TDF_IPA bits match.
10338 * rtl.h: Declare new functions exported from sched-vis.c.
10339 * sched-vis.c: Enable also if scheduling is not used.
10340 (print_value): Print the mode of registers if not inside scheduling.
10341 (print_insn): Make it work outside the scheduler. Beautify the output
10343 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10345 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10347 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10348 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10349 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10350 depending on the value of CONSTANT_POOL_ADDRESS_P.
10351 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10353 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10354 rather than SYMBOL_REF_DECL.
10355 (rtx_constant_pool): Remove const_rtx_sym_htab.
10356 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10357 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10358 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10359 Remove handling of const_rtx_sym_htab.
10360 (find_pool_constant): Delete.
10361 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10362 rather than find_pool_constant.
10363 (get_pool_constant_for_function): Delete.
10364 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10365 find_pool_constant.
10366 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10367 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10368 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10369 (SYMBOL_REF_CONSTANT): New macro.
10370 (get_pool_constant_for_function): Delete.
10371 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10372 rather than SYMBOL_REF_DECL.
10373 (i386_pe_mark_dllimport): Likewise.
10374 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10375 rather than SYMBOL_REF_DECL.
10376 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10377 (machopic_indirect_call_target): Likewise.
10379 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10381 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10383 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10385 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10387 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10389 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10391 2006-01-24 David Daney <ddaney@avtrex.com>
10394 * configure.ac (enable_tls): New enable option.
10395 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10396 * configure: Regenerate.
10397 * doc/install.texi (--enable-tls): Document new option.
10398 (--disable-tls): Ditto.
10400 2006-01-24 Richard Henderson <rth@redehat.com>
10402 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10403 * alias.c (true_dependence): Respect it.
10404 (canon_true_dependence, write_dependence_p): Likewise.
10405 * builtins.c (get_builtin_sync_mem): Set it.
10407 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10409 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10412 2006-01-24 DJ Delorie <dj@redhat.com>
10414 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10415 for storing constants in single-bit bitfields.
10417 2006-01-25 Ben Elliston <bje@au.ibm.com>
10419 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10421 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10424 * tree-ssa-pre.c (phi_translate): Return NULL
10425 for AGGREGATE_TYPE's.
10427 2006-01-24 Zack Weinberg <zackw@panix.com>
10429 * genautomata.c (process_state_for_insn_equiv_partition):
10430 Use xcalloc for insn_arcs_array.
10431 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10432 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10434 2006-01-24 Richard Henderson <rth@redhat.com>
10436 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10437 update all callers.
10439 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10441 PR rtl-optimization/25890
10442 PR rtl-optimization/25905
10443 * combine.c (expand_compound_operation, expand_field_assignment):
10444 Fail if the bitfield's final position is out of bounds.
10446 2006-01-24 Ian Lance Taylor <ian@airs.com>
10448 PR middle-end/25930
10449 * cgraphunit.c (cgraph_output_in_order): Don't clear
10450 cgraph_asm_nodes until after asm strings have been output.
10452 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10454 * fix-header.c (read_scan_file): Add new parameter imultilib when
10455 calling register_include_chains.
10457 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10459 * omp-low.c: Update documentation.
10461 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10462 Daniel Berlin <dberlin@dberlin.org>
10466 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10467 return from the function.
10469 2006-01-22 Zack Weinberg <zackw@panix.com>
10471 * rtl.def (match_code): Add second argument.
10472 * genpreds.c (write_extract_subexp): New function.
10473 (write_match_code): Add path argument. Use write_extract_subexp.
10474 (write_predicate_expr): Pass path to write_match_code.
10475 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10476 not perform a mode test.
10477 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10478 a subexpression does not constrain the top-level code set.
10479 * read-rtl.c (read_rtx_variadic): New function.
10480 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10481 * doc/md.texi: Document new notation.
10482 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10483 (cmpsi_operand): ... here, using new notation.
10485 2006-01-22 Zack Weinberg <zackw@panix.com>
10487 * varray.c: Remove GENERATOR_FILE #ifdefs.
10489 2006-01-22 Zack Weinberg <zackw@panix.com>
10491 * genautomata.c (output_reserved_units_table): Emit nothing if
10492 description->query_units_num is zero. Remove extra blank line.
10493 (output_cpu_unit_reservation_p): Short circuit
10494 if description->query_units_num is zero.
10496 2006-01-22 Zack Weinberg <zackw@panix.com>
10498 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10499 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10500 nor any of the random handful of variables that used to be necessary
10501 when this program was linked with rtlanal.o. Prune set of forward
10502 function declarations.
10503 (struct attr_desc): Remove static_p field.
10504 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10505 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10506 (attr_string): Do not read the character one past the length of
10508 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10509 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10510 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10511 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10512 (make_automaton_attrs): New.
10513 (main): Do not call into genautomata. Call local gen_bypass
10514 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10515 Remove special case for insn_alts.
10516 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10517 varray.h (leftover from previous change). Prune set of forward
10518 function declarations. Remove state_alts fields from all
10519 structures. Remove state_alts_table from struct automaton.
10520 Make everything except main static. Do not maintain num_dfa_decls.
10521 Do not maintain state_alts fields of various structures.
10522 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10523 (add_arc): Remove state_alts argument. All callers updated.
10524 (output_reserved_units_table): Emit #ifdef here...
10525 (output_tables): ...not here. Don't generate state_alts tables.
10526 (expand_automata): Don't generate attributes.
10527 (write_automata): Don't generate state_alts functions.
10528 (main): New function.
10529 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10530 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10531 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10532 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10533 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10534 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10535 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10536 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10538 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10539 * genattrtab.h: Delete file.
10540 * Makefile.in (OBJS-common): Add insn-automata.o.
10541 (insn-automata.o): New rule.
10542 (simple_generated_c): Add insn-automata.c.
10543 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10544 (genprogmd): Add automata.
10545 (build/genattrtab): Needs no extra objects nor libraries.
10546 (build/genautomata): Needs build/vec.o and -lm.
10548 2006-01-22 Zack Weinberg <zackw@panix.com>
10550 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10551 (output_dfa_max_issue_rate, locked_states_num): Delete.
10552 (struct automaton): Add locked_states field.
10553 (output_dead_lock_vect): Save number of locked states in
10554 automaton->locked_states. If it is zero, don't print anything.
10555 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10556 (output_internal_dead_lock_func): Only test the dead_lock_vect
10557 for automata that have locked states.
10558 (output_statistics): Always print the number of locked states for
10559 each automaton. Calculate total number of locked states here.
10560 (write_automata): Don't call output_dfa_max_issue_rate.
10561 * genattrtab.c: Define length_unit_log as a const variable.
10562 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10563 max_insn_queue_index const.
10564 * final.c (length_unit_log): Declare const.
10565 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10567 2006-01-22 Zack Weinberg <zackw@panix.com>
10569 * genautomata.c: Include vec.h, not varray.h.
10570 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10571 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10572 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10573 VEC_* macros operating on appropriately typed vectors, or to
10574 malloced arrays when the size is known in advance. Const-ify
10575 many char* variables and function arguments. No functional changes.
10576 * Makefile.in (build/varray.o): Delete rule.
10577 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10578 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10580 2006-01-22 Zack Weinberg <zackw@panix.com>
10582 * gensupport.c: Define get_insn_name and record_insn_name here.
10583 (read_md_rtx): Call record_insn_name as appropriate.
10584 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10585 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10586 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10588 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10589 (BUILD_VARRAY): Delete.
10590 (genprognormal): Rename genprogmd. Fold in all programs from
10591 genprognoprint; also attrtab.
10592 (build/genattrtab): Just mention genautomata.o and varray.o.
10593 Reorganize a bit, add comments to make the categories clearer.
10595 2006-01-22 Zack Weinberg <zackw@panix.com>
10597 * genconditions.c (condition_table, add_condition): Delete.
10598 (write_conditions): Don't emit n_insn_conditions nor
10599 insn_elision_unavailable. Issue the gcc version #ifdef here,
10600 inside the table, with no #else clause ...
10601 (write_header): ...not here.
10602 (write_writer): New function.
10603 (main): Don't initialize condition_table. Use add_c_test.
10605 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10606 files on the command line.
10607 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10608 Return -1 if there is no entry in the table, don't abort.
10609 (add_c_test, traverse_c_tests): New functions.
10610 * gensupport.h (insn_elision_unavailable, insn_conditions)
10611 (n_insn_conditions): Delete declarations.
10612 (add_c_test, traverse_c_tests): Declare.
10613 * read-rtl.c: Include gensupport.h.
10614 (read_conditions): New function.
10615 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10616 (read_rtx_1): If we get EOF when we were looking for an initial
10617 open paren, return 0. Call read_conditions when appropriate.
10618 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10619 dummy-conditions.o. Eliminate references to insn-conditions.o,
10620 or change them to build/gencondmd.o, as appropriate. Remove
10621 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10622 from $(simple_generated_c). For all files remaining in those
10623 two lists, add insn-conditions.md to the generator command line.
10624 Give insn-constants.h/s-constants their own rules. Add rules
10625 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10626 (build/read-rtl.o): Depend on gensupport.h.
10627 (genprognormal): Include preds.
10628 (genprogearly): Rename genprognoprint; only difference is now that
10629 they don't link with $(BUILD_PRINT).
10630 * dummy-conditions.c: Delete.
10632 2006-01-22 Zack Weinberg <zackw@panix.com>
10634 * genextract.c: Don't include insn-config.h. Do include vec.h.
10635 Declare vectors of int, char, and locstr.
10636 (locstr): New typedef.
10637 (struct extraction): Make all array fields into bare pointers.
10638 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10639 (insn_code_number): Delete.
10640 (accum_extract): New struct.
10641 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10642 (gen_insn): Take insn_code_number as an argument. Use an
10643 accum_extract structure instead of loading data directly into
10644 a struct extraction, and having to know how big it might get.
10645 (walk_rtx): Operate entirely on an accum_extract structure.
10646 (print_path): Avoid unnecessary use of printf.
10647 (print_header): New function, split out of main. Distinguish
10648 more carefully between an unrecognizable insn and an insn that
10649 has the code number of a define_expand.
10650 (main): Pass insn_code_number to gen_insn. Call print_header
10651 only after parsing. Avoid unnecessary use of printf.
10652 * Makefile.in (build/vec.o): New rule.
10653 (build/genextract): Depend on build/vec.o.
10654 (build/genextract.o): Don't depend on insn-config.h.
10656 2006-01-22 Zack Weinberg <zackw@panix.com>
10658 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10659 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10660 practical. Eliminate per-generator-program link rules.
10662 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10664 PR middle-end/24437
10665 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10666 with a call expr to ...
10667 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10669 2006-01-23 Richard Guenther <rguenther@suse.de>
10671 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10672 before make_edge with conditional EDGE_TRUE_VALUE.
10674 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10675 Jan Hubicka <jh@suse.cz>
10676 Richard Guenther <rguenther@suse.de>
10678 PR rtl-optimization/25654
10679 * cfgexpand.c (aggregate_contains_union_type): New function.
10680 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10681 for structure variables that contain a union type.
10683 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10685 * gengtype.c (new_structure): Return the structure.
10686 (create_option): Add an extra "next" argument.
10687 (create_field): New function.
10688 (adjust_field_rtx_def): Use create_option and create_field.
10689 Remove a now-unnecessary call to find_structure.
10690 (adjust_field_tree_def): Likewise.
10691 (note_yacc_type): Remove an unnecessary call to find_structure.
10692 * gengtype.h (new_structure): Return the structure.
10693 (create_option): Add an extra argument.
10694 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10695 (option): Adjust calls to create_option.
10697 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10699 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10701 2006-01-22 Paul Brook <paul@codesourcery.com>
10702 Peter Barada <peter@the-baradas.com>
10704 * config/m68k/m68k.md: Add Coldfire FPU support.
10705 Define FP mode macro and associated attributes.
10706 Use it for float mode patterns.
10707 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10708 (LIBCALL_VALUE): Use m68k_libcall_value.
10709 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10710 (m68k_function_value): Ditto.
10711 (emit_move_sequence): Ditto.
10712 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10713 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10714 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10715 (MULTILIB_EXCEPTIONS): Ditto.
10716 * config/m68k/m68k.opt: Add mcfv4e.
10717 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10718 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10719 (m68k_output_function_prologue): Save ColdFire FPU registers.
10720 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10721 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10722 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10723 ColdFire FPU registers.
10724 (m68k_libcall_value, m68k_function_value): New functions.
10725 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10726 (LIBCALL_VALUE): Use m68k_libcall_value.
10727 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10728 (MASK_COLDFIRE): Add MASK_CFV4E.
10729 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10730 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10731 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10732 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10733 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10734 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10735 * doc/invoke.tex: Document -mcfv4e on m68k.
10737 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10739 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10742 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10745 * c-opts.c (c_common_handle_option): Don't include
10746 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10747 * doc/invoke.texi (C++ Dialect Options): Document that
10748 -Wnon-virtual-dtor is no longer included in -Wall.
10750 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10752 * gcov.c (print_version), gcov-dump.c (print_version),
10753 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10756 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10758 * df-scan.c (problem_SCAN): Added NULL reset function.
10759 (df_scan_reset_blocks): Added code to call reset block function
10760 (df_bb_refs_delete) Fixed comment.
10761 (df_insn_refs_delete): Made tolerant of deleting non existent info
10762 for dataflow problems that need to be reset.
10763 * df-core.c (df_set_blocks): Ditto.
10764 * df.h (struct df_problem): Added reset_fun.
10765 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10766 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10767 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10768 functions to clear out all references to def-use or use-def chains.
10770 2006-01-21 Ben Elliston <bje@au.ibm.com>
10772 * varasm.c (assemble_real): Initialise data array.
10774 2006-01-20 Paul Brook <paul@codesourcery.com>
10776 Merge from csl-arm-branch.
10777 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10778 * config/arm/arm.md (movdi): Force operands[1] to a register
10779 if we have a non-register source.
10780 (*arm_movdi, *movdf_soft_insn): Require that one of the
10781 operands be a register.
10782 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10783 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10785 2006-01-20 DJ Delorie <dj@redhat.com>
10787 * varasm.c (initializer_constant_valid_p): Allow pointers
10788 initialized from integer constants of lesser precision.
10789 (output_constant): Allow non-int-sized pointer modes to be
10790 initialized from integer constants.
10792 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10795 * cppdefault.h (struct default_include): Add multilib flag.
10796 * cppdefault.c (cpp_include_defaults): Set it.
10797 * c.opt (-imultilib): New option.
10798 * c-opts.c (imultilib): New.
10799 (c_common_handle_option): Handle -imultilib.
10800 (c_common_post_options): Likewise.
10801 * c-incpath.c (add_standard_paths, register_include_chains):
10803 * c-incpath.h (register_include_chains): Add extra parameter.
10804 * gcc.c (do_spec_1): Generate -imultilib option.
10805 (The Specs Language): Update %I description.
10806 (process_command): Update copyright notice.
10807 * doc/cppopts.texi (-imultilib): Document.
10808 * doc/invoke.texi (-imultilib): Include in option summary.
10809 (%I): Update specs documentation.
10811 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10813 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10815 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10817 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10820 2006-01-20 Richard Guenther <rguenther@suse.de>
10821 Steven Bosscher <stevenb.gcc@gmail.com>
10823 PR rtl-optimization/24626
10824 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10825 EDGE_TRUE_VALUE if in RTL mode.
10828 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10829 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10831 2006-01-20 Dirk Mueller <dmueller@suse.com>
10834 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10835 instead of a special NOP marker.
10836 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10837 NOP marker handling.
10838 * c-common.h (empty_body_warning): Add forward declaration.
10839 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10840 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10842 2006-01-20 Paul Brook <paul@codesourcery.com>
10844 * Makefile.in (lang_checks): Keep going if mkdir fails.
10846 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10848 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10849 be able to clean out basic block when not necessary.
10850 (df_scan_free): Fixed to properly delete information if df is
10851 unused before calling df_finish.
10852 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10853 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10855 (df_bb_refs_delete): New function.
10856 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10857 * df-core.c (df_set_blocks): Added code to properly clean out
10858 unused blocks if they are not part of the blocks to consider.
10859 Added additional null check.
10860 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10861 be able to clean out basic block when not necessary
10862 * df.h (df_free_bb_function): Ditto.
10863 (df_bb_refs_delete): New function.
10864 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10865 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10866 basic block parameter to be able to clean out basic block when not
10868 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10869 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10870 Fixed to properly delete information if df is unused before
10873 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10875 PR rtl-optimization/25799
10876 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10877 Corrected confluence operator to remove bits from op2 before oring
10878 with op1 rather than removing bits from op1.
10879 (df_ru_transfer_function): Corrected test on wrong bitmap which
10880 caused infinite loop. Both of these problems were introduced in
10881 the dataflow rewrite.
10883 2006-01-19 DJ Delorie <dj@redhat.com>
10885 * reload1.c (find_reload_regs): Note the details of reload
10886 failures in the dump file.
10887 (spill_failure): Likewise.
10889 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10891 * loop-iv.c: Include df.h and hashtab.h.
10892 (enum iv_grd_result): New enum.
10893 (DF_REF_IV, DF_REF_IV_SET): New macros.
10894 (struct biv_entry): New.
10895 (df, bivs): New global variables.
10896 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10897 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10899 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10900 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10901 analyzed_for_bivness_p, record_biv): New functions.
10902 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10903 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10904 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10906 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10908 (iv_number_of_iterations): Use new interface to iv analysis.
10909 * loop-unroll.c: Do not include varray.h.
10910 (analyze_iv_to_split_insn): Use new interface to iv
10912 * loop-unswitch.c (may_unswitch_on): Ditto.
10913 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10915 (df_bb_modify): Realloc tables to the new index.
10916 (df_find_use): New function.
10917 * df.h (df_find_use): Declare.
10918 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10920 * cfgloop.h (struct rtx_iv): Remove analysed field.
10921 (iv_get_reaching_def): Removed.
10922 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10923 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10924 (loop-iv.o): Add df.h and hashtab.h dependency.
10925 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10927 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10930 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10932 (__floatundisf, __floatundidf): Likewise.
10933 * libgcc2.h (IS_IBM_EXTENDED): Define.
10935 2006-01-19 DJ Delorie <dj@redhat.com>
10937 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10939 2006-01-19 Paul Brook <paul@codesourcery.com>
10941 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10942 as nothrow when unwinding tables are disabled.
10944 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10947 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10948 of bit-field" when in system header.
10950 2006-01-19 DJ Delorie <dj@redhat.com>
10952 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10953 the 16 bit shift limit of the m16c.
10955 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10958 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10959 * config/i386/i386.c (output_set_got): Output the label if we have one
10960 for the TARGET_DEEP_BRANCH_PREDICTION case.
10962 2006-01-19 Jan Hubicka <jh@suse.cz>
10963 H.J. Lu <hongjiu.lu@intel.com>
10964 Evandro Menezes <evandro.menezes@amd.com>
10966 * invoke.texi (generic): Document
10968 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10969 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10970 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10971 (x86_use_incdec, x86_pad_returns): New variables
10972 (TARGET_CPU_DEFAULT_generic): New constant
10973 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10974 (enum processor_type): Add generic32 and generic64.
10975 * i386.md (cpu attribute): Add generic32/generic64
10976 (movhi splitter): Behave sanely when both partial_reg_dependency and
10977 partial_reg_stall are set.
10978 (K8 splitters): Enable for generic as well.
10979 * predicates.md (incdec_operand): Use TARGET_INCDEC
10980 (aligned_operand): Avoid memory mismatch stalls.
10981 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10982 * ppro.md: Enable for generic32
10983 * i386.c (generic64_cost, generic32_cost): New.
10984 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10985 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10986 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10987 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10988 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10989 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10990 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10991 x86_accumulate_outgoing_args, x86_prologue_using_move,
10992 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10993 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10994 Enable for generic.
10995 (x86_use_incdec, x86_pad_returns): New.
10996 (override_options): Add generic32 and generic64, translate "generic"
10997 to generic32/generic64 and "i686" to "generic32", refuse
10998 "generic32"/"generic64" as arch target.
10999 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11000 (ix86_reorg): Honor PAD_RETURNS.
11002 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11004 * tree-pretty-print.c (dump_generic_node): Handle
11005 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11006 * cgraph.c (cgraph_expand_queue): Rename from
11007 cgraph_analyze_queue. Update all users.
11008 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11009 cgraph_expand_queue.
11010 (cgraph_expand_all_functions): Likewise.
11011 (cgraph_finalize_pending_functions): Remove. Update callers.
11013 * tree.h (OMP_DIRECTIVE_P): Define.
11014 (OMP_PARALLEL_FN): Define.
11015 (OMP_PARALLEL_DATA_ARG): Define.
11016 (OMP_SECTIONS_SECTIONS): Define.
11017 * tree-pass.h (pass_expand_omp): Declare.
11018 * omp-low.c (struct omp_region): Declare.
11019 (struct omp_context): Remove fields 'parallel_type',
11020 'parallel_start_ix' and 'parallel_start_additional_args'.
11022 (struct omp_for_data): Rename from struct expand_omp_for_data.
11023 (omp_regions): New static variable.
11024 (root_omp_region): New static variable.
11025 (find_omp_clause): Make static.
11026 (is_in_combined_parallel_ctx): Remove.
11027 (is_combined_parallel): New.
11028 (extract_omp_for_data): Move earlier in the file.
11029 (workshare_safe_to_combine_p): New.
11030 (get_ws_args_for): New.
11031 (determine_parallel_type): Move earlier in the file.
11032 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11034 (omp_copy_decl): Likewise.
11035 (create_omp_child_function): Likewise.
11036 (lookup_omp_region): New.
11037 (dump_omp_region): New.
11038 (debug_omp_region): New.
11039 (debug_all_omp_regions): New.
11040 (new_omp_region): New.
11041 (scan_omp_parallel): If parallel_nesting_level > 1, the
11042 directive is nested within another parallel directive.
11043 Set OMP_PARALLEL_FN.
11044 (scan_omp_for): Do not try to handle combined parallel+for
11046 Remove FIXME comment.
11047 (scan_omp_nested): Remove.
11048 (scan_omp_1): Do not call scan_omp_nested when
11049 parallel_nesting_level is > 1.
11050 Do not change the DECL_CONTEXT of local variables found.
11051 (lookup_decl_in_outer_ctx): New.
11052 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11053 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11054 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11055 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11056 If CTX is nested, lookup VAR in the outer context when
11057 building copy assignment.
11058 (lower_send_clauses): Rename from expand_send_clauses.
11059 If CTX is nested, lookup VAR in the outer context when
11060 building copy assignments.
11061 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11062 If CTX is nested, lookup VAR in the outer context when
11063 building copy assignments.
11064 (expand_parallel_call): Rename from build_parallel_call.
11065 Handle combined parallel+workshare cases.
11066 Re-implement to emit code into the CFG.
11068 (expand_omp_parallel): Re-implement to emit code into the CFG.
11069 Call move_sese_region_to_fn to outline the sub-graph
11070 containing the parallel region.
11071 (expand_omp_for_1): Remove.
11072 (expand_omp_for_generic): Re-implement to emit code into the
11074 (expand_omp_for_static_nochunk): Likewise.
11075 (expand_omp_for_static_chunk): Likewise.
11076 (expand_omp_for): Likewise.
11077 (expand_omp_sections): Likewise.
11078 (remove_exit_barriers): New.
11079 (expand_omp_synch): New.
11081 (build_omp_regions_1): New.
11082 (build_omp_regions): New.
11083 (execute_expand_omp): New.
11084 (gate_expand_omp): New.
11085 (pass_expand_omp): Define.
11086 (lower_omp_sections): Rename from expand_omp_sections.
11087 Set OMP_SECTIONS_SECTIONS.
11088 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11089 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11090 (lower_omp_single): Rename from expand_omp_simple.
11091 (lower_omp_master): Rename from expand_omp_master.
11092 (lower_omp_ordered): Rename from expand_omp_ordered.
11093 (lower_omp_critical): Rename from expand_omp_critical.
11094 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11095 (lower_omp_for): Re-implement.
11096 (lower_omp_parallel): Re-implement.
11097 (lower_regimplify): Rename from expand_regimplify.
11098 (lower_omp_1): Rename from expand_omp_1.
11099 If there are syntax errors in the program, replace every
11100 OpenMP directive with NOP.
11101 Call lower_omp_* instead of expand_omp_*.
11102 (lower_omp): Rename from expand_omp.
11104 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11105 * tree-gimple.h (enum omp_parallel_type): Remove.
11106 (gimple_boolify): Declare extern.
11107 (find_omp_clause, determine_parallel_type): Remove.
11109 * gimple-low.c (lower_omp_directive): New.
11110 (lower_stmt): Call it.
11111 (record_vars_into): Move from ...
11112 (record_vars): ... here.
11113 Call record_vars_into with current_function_decl.
11115 * gimplify.c (struct gimplify_ctx): Remove fields
11116 combined_pre_p and combined_ctxp. Update users.
11117 (get_formal_tmp_var): Add documentation.
11118 (gimple_boolify): Make extern.
11119 (gimplify_expr_in_ctx): Remove. Update callers.
11120 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11121 will always be a BIND_EXPR.
11122 (gimplify_expr): Handle OMP_RETURN_EXPR.
11123 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11124 (OMP_PARALLEL): Add 3 operands.
11125 (OMP_SECTIONS): Add 1 operand.
11126 (OMP_RETURN_EXPR): Define.
11128 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11129 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11130 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11131 creating a circular free list.
11132 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11134 * tree-flow.h (move_sese_region_to_fn): Declare.
11135 (record_vars_into): Declare.
11136 * tree-cfg.c (make_omp_sections_edges): New.
11137 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11138 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11139 OMP_SECTIONS and OMP_SECTION.
11140 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11141 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11142 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11143 (gather_blocks_in_sese_region): New.
11144 (struct move_stmt_d): Declare.
11145 (move_stmt_r): New.
11146 (move_block_to_fn): New.
11147 (move_sese_region_to_fn): New.
11149 * passes.c (init_optimization_passes): Schedule
11150 pass_expand_omp after pass_init_datastructures.
11152 * tree-ssa-operands.c (get_expr_operands): Handle
11153 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11154 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11156 2006-01-19 Jeff Law <law@redhat.com>
11158 * tree-vrp.c (extract_range_from_assert): Refine the result range
11159 if the variable referenced by the ASSERT_EXPR has a range and
11160 either the tentative result range or the previous range is a
11163 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11165 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11167 2006-01-19 Jan Hubicka <jh@suse.cz>
11169 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11171 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11173 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11174 (expand_compound_operation, expand_field_assignment): Fail if the
11175 bit lengths of an extract operation are out of range.
11176 (make_extraction): Compute wanted_inner_mode based on the position
11177 and length of the extraction. Make it extraction_mode for non-constant
11178 positions, and do not modify offset in that case. When generating a
11179 new MEM, use a mode that can hold the extraction while keeping correct
11180 alignment. Remove code that supported MEMs wrapped by USEs.
11181 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11183 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11185 * config/s390/s390.md ("Y", "y"): New mode attribute.
11186 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11187 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11188 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11189 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11190 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11191 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11192 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11193 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11194 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11195 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11196 "addsi3", "subsi3"): Insn patterns removed.
11197 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11198 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11199 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11200 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11201 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11202 "*sub<mode>3_cconly2"): New insn patterns.
11203 ("addsi3", "subsi3"): New expanders.
11205 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11207 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11208 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11209 existing STMT_VINFO_VECTYPE if available.
11210 (vect_mark_relevant): Add special handling for stmts that are
11211 marked as STMT_VINFO_IN_PATTERN_P.
11212 (vect_analyze_loop): Call vect_pattern_recog.
11213 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11214 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11216 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11217 (vect_recog_func_ptr): New function-pointer type.
11218 * tree-vect-patterns.c: New file.
11219 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11220 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11221 (vect_pattern_recog_1): New functions.
11222 (vect_pattern_recog_funcs): New array of function pointers.
11224 * tree-vectorizer.h (ternary_op): New enum value.
11225 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11226 declaration. Revised documentation. Removed redundant dump prints.
11227 Removed redundant argument. Added support for reduction patterns.
11228 (vectorizable_reduction): Added support for reduction patterns.
11229 (vect_transform_stmt): Added support for patterns.
11231 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11232 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11233 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11234 (expand_widen_pattern_expr): New function.
11235 (init_optabs): Initialize new optabs udot_prod_optab,
11237 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11238 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11239 (expand_widen_pattern_expr): New function declaration.
11240 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11242 * tree-inline.c (estimate_num_insns_1): Added cases for new
11243 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11244 * tree-pretty-print.c (dump_generic_node): Likewise.
11245 (op_prio): Likewise.
11246 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11247 * tree-ssa-operands.c (get_expr_operands): Added case for
11249 * tree-vect-patterns.c (widened_name_p): New function.
11250 (vect_recog_dot_prod_pattern): Added function implementation.
11251 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11252 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11253 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11254 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11256 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11257 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11258 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11259 (init_optabs): Initialize new optabs widen_ssum_optab,
11261 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11262 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11263 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11264 use instead of type of def.
11265 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11266 function implementation.
11267 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11268 widen_ssumv8hi): New.
11270 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11273 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11276 * c-decl.c (add_flexible_array_elts_to_size): New function.
11277 (finish_decl): Use it.
11279 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11281 * diagnostic.h: Include options.h.
11282 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11283 dependancies for diagnostic.h.
11284 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11286 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11288 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11289 (ssa_ro_call_cache_valid): Ditto.
11290 * tree-ssa-alias.c (sort_tags_by_id): New function.
11291 (init_transitive_clobber_worklist): Ditto.
11292 (add_to_worklist): Ditto.
11293 (mark_aliases_call_clobbered): Ditto.
11294 (compute_tag_properties): Ditto.
11295 (set_initial_properties): Ditto.
11296 (compute_call_clobbered): Ditto.
11297 (compute_may_aliases): Call compute_call_clobbered and grouping.
11298 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11299 (compute_flow_insensitive_aliasing): Grouping now happens in our
11301 (setup_pointers_and_addressables): Remove clobbering related code.
11302 (add_may_alias): Ditto.
11303 (replace_may_alias): Ditto.
11304 (get_nmt_for): Ditto.
11305 (create_global_var):
11306 (is_escape_site): Return an escape_type enumeration.
11307 * tree-flow-inline.h (is_call_clobbered): Global var does not
11308 imply call clobbered.
11309 (mark_call_clobbered): Take a reason for marking this. Remove
11310 marking of globalness, and cache invalidation.
11311 (clear_call_clobbered): Remove cache invalidation code.
11312 * tree-dfa.c (dump_variable): If details is on, dump the reason
11314 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11316 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11317 (struct var_ann_d): Ditto.
11318 (enum escape_type): New.
11319 (mark_call_clobbered): Adjust prototype.
11320 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11321 are never call clobbered.
11322 Record reasons for escaping.
11323 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11324 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11325 (ssa_ro_call_cache_valid): Ditto.
11326 (clobbered_v_may_defs): Ditto.
11327 (clobbered_vuses): Ditto.
11328 (ro_call_vuses): Ditto.
11329 (clobber_stats): New.
11330 (init_ssa_operands): Zero out clobber stats.
11331 (fini_ssa_operands): Print out clobber stats.
11332 (get_call_expr_operands): Pass callee fndecl to
11333 add_call_read_ops).
11334 (add_call_clobber_ops): Remove use of cache.
11335 Add use of PURE_CONST information.
11336 (add_call_read_ops): Remove use of cache.
11337 Add use of static not_read information.
11339 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11341 Introduce TLS descriptors for i386 and x86_64.
11342 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11343 (TARGET_ANY_GNU_TLS): New macro.
11344 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11345 (struct machine_function): Add tls_descriptor_call_expanded_p.
11346 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11347 (ix86_current_function_calls_tls_descriptor): Likewise.
11348 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11349 (override_options): Introduce gnu2 tls dialect.
11350 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11352 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11354 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11355 (ix86_init_machine_status): Initialize new field.
11356 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11357 (ix86_tls_module_base): New.
11358 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11359 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11360 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11361 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11362 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11363 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11364 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11365 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11366 * config/i386/predicates.md (tls_modbase_operand): New.
11367 (tp_or_register_operand): New.
11369 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11371 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11372 (look_for_address_of): Ditto.
11373 (ipa_init): Walk the function decls.
11374 (static_execute): Don't set readonly on FUNCTION_DECL's.
11376 2006-01-18 Roger Sayle <roger@eyesopen.com>
11378 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11379 for shifts where the source and destination registers are different.
11381 2006-01-18 Paul Brook <paul@codesourcery.com>
11383 Merge from csl-arm-branch.
11384 2005-03-14 Julian Brown <julian@codesourcery.com>
11385 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11386 (aeabi_llsl): Likewise.
11387 (ashrdi3): Likewise.
11388 (aeabi_lasr): Likewise.
11389 (lshrdi3): Likewise.
11390 (aeabi_llsr): Likewise.
11391 2005-03-10 Julian Brown <julian@codesourcery.com>
11392 * config.gcc: Disable shared libgcc for SymbianOS.
11393 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11395 2006-01-18 DJ Delorie <dj@redhat.com>
11397 * c-pragma.c (handle_pragma_diagnostic): New.
11398 (init_pragma): Register it.
11399 * doc/extend.texi: Document it.
11401 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11402 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11403 (diagnostic_context): Add classify_diagnostic[].
11404 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11405 as errors if they're overridden to DK_WARNING.
11406 (diagnostic_initialize): Initialize classify_diagnostic[].
11407 (diagnostic_set_kind_override): New.
11408 (diagnostic_report_diagnostic): Check for kind changes.
11409 * opts.c (common_handle_option): Take lang_mask. Update callers.
11410 Handle OPT_Werror_.
11411 * common.opt (Werror=): New.
11412 * doc/invoke.texi: Document -Werror=*
11414 2006-01-18 Jeff Law <law@redhat.com>
11416 * tree-vrp.c (test_for_singularity): Correct test for new
11417 min limit. Use operand_equal_p rather than pointer equality
11418 for testing if new min/max values are equal.
11420 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11421 using range information until after propagation and folding.
11423 2006-01-18 Richard Henderson <rth@redhat.com>
11424 Aldy Hernandez <aldyh@redhat.com>
11425 Jakub Jelinek <jakub@redhat.com>
11426 Diego Novillo <dnovillo@redhat.com>
11428 * omp-low.c: New file.
11429 * c-omp.c: New file.
11431 2006-01-18 Richard Henderson <rth@redhat.com>
11432 Jakub Jelinek <jakub@redhat.com>
11433 Diego Novillo <dnovillo@redhat.com>
11435 * doc/invoke.texi: Document -fopenmp.
11436 * tree-dump.h (debug_function): Declare.
11437 * hooks.c (hook_bool_tree_bool_false): New function.
11438 (hook_tree_tree_null): Remove.
11439 (hook_tree_tree_tree_null): New.
11440 * hooks.h: Update to match.
11441 * tree-pretty-print.c (debug_tree_chain): New.
11442 (print_generic_expr): Handle TDF_CHAIN.
11443 (dump_generic_node): Handle BLOCK.
11444 Do not abort with incomplete SWITCH_EXPRs.
11445 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11446 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11447 print space after directive name.
11448 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11449 Handle OMP_MASTER and OMP_ORDERED.
11450 Handle printing of OMP_BODY just in one place, goto
11451 dump_omp_body in the rest of OMP_* nodes that have
11453 Don't handle clause nodes here. Update omp statements to
11454 use dump_omp_clauses.
11455 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11456 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11457 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11458 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11459 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11460 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11461 Adjust output for GOMP_PARALLEL.
11462 (dump_omp_clauses): New.
11463 (print_declaration): Dump DECL_VALUE_EXPR.
11464 (op_symbol_1): Split out of op_symbol.
11465 (dumping_stmts): Remove. Update all users.
11466 * cgraph.c (cgraph_analyze_queue): New.
11467 (cgraph_add_new_function): New.
11468 * cgraph.h (cgraph_analyze_queue): Declare.
11469 (cgraph_add_new_function): Declare.
11470 (cgraph_lower_function): Remove.
11471 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11472 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11473 and TYPE_P nodes in its default clause.
11474 (empty_body_p): New.
11475 (tree_range_check_failed): New.
11476 (build5_stat): New.
11477 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11478 OMP_CLAUSE_REDUCTION_MERGE,
11479 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11480 OMP_CLAUSE_PRIVATE_DEBUG,
11481 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11482 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11483 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11484 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11485 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11486 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11487 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11488 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11489 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11490 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11491 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11492 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11493 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11494 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11495 (TREE_RANGE_CHECK): New.
11496 (empty_body_p): Declare.
11497 (enum omp_clause_default_kind): New.
11498 (build_string_literal): Declare.
11499 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11500 (build5_stat, build5): Declare.
11501 * tree-pass.h (TDF_CHAIN): Define.
11502 * tree-pass.h (PROP_gimple_lomp): Define.
11503 (pass_lower_omp): Declare.
11504 * diagnostic.h (debug_tree_chain): Declare.
11505 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11507 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11508 * builtins.c (build_string_literal): Make extern.
11509 * gcc.c (include_spec_function): New.
11510 (static_spec_functions): Add it.
11511 (main): Move load of libgomp.spec ...
11512 (LINK_COMMAND_SPEC): ... here.
11513 (link_gomp_spec): New.
11514 (static_specs): Include it.
11515 (LINK_COMMAND_SPEC): Add link_gomp.
11516 (GOMP_SELF_SPECS): New.
11517 (driver_self_specs): Include it.
11518 (switch_matches): Don't mark inline.
11519 (main): Load libgomp.spec.
11520 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11521 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11522 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11523 * tree-gimple.h (enum omp_parallel): Declare.
11524 (determine_parallel_type): Declare.
11525 (omp_firstprivatize_variable): Declare.
11526 (omp_reduction_init): Declare.
11527 (diagnose_omp_structured_block_errors): Declare.
11528 (struct walk_stmt_info): Add want_return_expr.
11529 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11530 (find_omp_clause): Declare.
11531 (insert_field_into_struct): Declare.
11532 (struct walk_stmt_info): Move from tree-nested.c
11533 (walk_stmts): Declare.
11534 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11536 * cgraphunit.c (cgraph_lower_function): Make static.
11537 (cgraph_finalize_pending_functions): New.
11538 (cgraph_finalize_function): Call it.
11539 (cgraph_finalize_compilation_unit): Likewise.
11540 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11541 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11542 (BT_FN_UINT_UINT): New.
11543 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11544 DEF_FUNCTION_TYPE_VAR_4): Document.
11545 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11546 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11547 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11548 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11549 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11550 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11551 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11552 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11553 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11554 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11555 into separate files.
11556 (DEF_GOMP_BUILTIN): New.
11557 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11558 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11559 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11560 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11561 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11562 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11563 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11564 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11565 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11566 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11567 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11568 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11569 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11570 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11571 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11572 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11573 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11574 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11575 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11576 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11577 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11578 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11579 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11580 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11581 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11582 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11583 * sync-builtins.def: New file, moved from builtins.def.
11584 * omp-builtins.def: New file, moved from builtins.def.
11585 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11586 * gimple-low.c (lower_function_body): Clear data.
11587 (lower_stmt): Do not handle COMPOUND_EXPR.
11588 Remove call to print_node_brief.
11589 * c-tree.h (c_finish_omp_clauses): New prototype.
11590 (C_DECL_THREADPRIVATE_P): Define.
11591 (lookup_name_no_remap, c_omp_remap_private): Remove
11592 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11593 (check_for_loop_decls): Update decl.
11594 (lookup_name_no_remap, c_omp_remap_private): Declare.
11595 (build_indirect_ref, build_modify_expr, pushdecl,
11596 pushdecl_top_level): Move to c-common.h.
11597 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11598 before the switch, but just in the 2 places that need it.
11599 * c-decl.c (diagnose_mismatched_decls): Do not check for
11600 mismatched thread-local attributes when OLDDECL is marked
11601 threadprivate and NEWDECL has no thread-local attributes.
11602 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11603 (c_gimple_diagnostics_recursively): Rename from
11604 c_warn_unused_result_recursively. Invoke
11605 diagnose_omp_structured_block_errors.
11606 (check_for_loop_decls): Return a singular decl found.
11607 * langhooks.c (lhd_omp_predetermined_sharing): Return
11608 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11609 (lhd_omp_firstprivatize_type_sizes): New.
11610 (lhd_omp_assignment): New.
11611 (lhd_omp_predetermined_sharing): New.
11612 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11613 (struct lang_hooks_for_types): Add
11614 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11615 omp_predetermined_sharing, omp_disregard_value_expr,
11616 omp_private_debug_clause, omp_clause_default_ctor,
11617 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11618 (c_finish_omp_clauses): New.
11619 (c_finish_bc_stmt): Diagnose break within omp for.
11620 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11621 (build_unary_op): Return error_mark after reporting
11623 (build_modify_expr): Likewise.
11624 * gimplify.c: Include optabs.h and pointer-set.h.
11625 (enum gimplify_omp_var_data): Declare.
11626 (struct gimplify_omp_ctx): Declare.
11627 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11629 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11630 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11631 (splay_tree_compare_decl_uid): New.
11632 (new_omp_context): New.
11633 (delete_omp_context): New.
11634 (gimple_add_tmp_var): Call omp_add_variable.
11635 (gimplify_bind_expr): Likewise.
11636 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11637 true, disregard DECL_VALUE_EXPR on the decl if any.
11638 (gimplify_expr_in_ctx): New.
11639 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11640 omp_add_variable, omp_notice_variable, omp_is_private
11641 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11642 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11643 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11644 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11645 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11646 gimplify_omp_atomic): New.
11647 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11648 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11649 OMP_CRITICAL and OMP_ATOMIC.
11650 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11651 * c-pragma.h (enum pragma_kind): Add
11652 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11653 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11654 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11655 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11656 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11657 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11658 PRAGMA_OMP_THREADPRIVATE.
11659 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11660 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11661 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11662 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11663 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11664 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11665 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11666 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11667 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11668 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11669 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11670 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11671 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11673 (struct nesting_info): Add field_map,
11674 suppress_expansion, debug_var_chain.
11675 (create_nesting_tree): Initialize them.
11676 (lookup_field_for_decl): Use field_map.
11677 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11678 (convert_local_omp_clauses): New.
11679 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11680 (walk_body): Split out of walk_function.
11681 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11682 (convert_nonlocal_reference): Handle omp statements.
11683 (convert_local_reference): Likewise.
11684 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11685 (unnest_nesting_tree): New.
11686 (lower_nested_functions): Call it.
11687 (insert_field_into_struct): Make extern.
11688 (struct walk_stmt_info): Move to tree-gimple.h.
11689 (walk_stmts): Make extern.
11690 * omp-builtins.def: New file.
11691 * tree-iterator.c (expr_only): Clarify comment.
11692 * c-common.h (pushdecl_top_level, pushdecl,
11693 build_modify_expr, build_indirect_ref,
11694 c_finish_omp_master, c_finish_omp_critical,
11695 c_finish_omp_ordered, c_finish_omp_barrier,
11696 c_finish_omp_atomic, c_finish_omp_flush,
11697 c_finish_omp_for, c_split_parallel_clauses,
11698 omp_clause_default_kind, c_omp_sharing_predetermined,
11699 c_omp_remap_decl): Declare.
11700 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11701 (OBJS-common): Add omp-low.o.
11702 (c-omp.o, omp-low.o): Add.
11703 (gimplify.o): Add dependency on $(OPTABS_H).
11704 (GTFILES): Add omp-low.c.
11705 (gt-stringpool.h): Add.
11706 * tree-cfg.c (set_bb_for_stmt): Do not update the
11707 block-to-labels map if we are currently expanding to RTL.
11708 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11710 Handle IDENTIFIER_NODE.
11711 (tree_verify_flow_info): Do not ICE when emitting error
11712 messages about invalid labels.
11713 (dump_function_to_file): Reset CFUN before emitting the body
11715 (debug_function): New.
11716 * passes.c (init_optimization_passes): Schedule
11718 * langhooks-def.h (lhd_omp_predetermined_sharing,
11719 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11721 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11722 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11723 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11724 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11725 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11726 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11727 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11728 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11729 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11730 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11731 (LANG_HOOK_DECLS): Use them.
11733 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11734 Richard Henderson <rth@redhat.com>
11735 Jakub Jelinek <jakub@redhat.com>
11736 Diego Novillo <dnovillo@redhat.com>
11738 * c-parser.c (pragma_omp_clause): Define.
11739 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11740 (c_parser_compound_statement): Likewise.
11741 (c_parser_statement): Likewise.
11742 (c_parser_pragma): Handle omp pragmas.
11743 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11744 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11745 (c_parser_omp_clause_name, check_no_duplicate_clause,
11746 c_parser_omp_variable_list,
11747 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11748 c_parser_omp_clause_copyprivate,
11749 c_parser_omp_clause_default,
11750 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11751 c_parser_omp_clause_lastprivate,
11752 c_parser_omp_clause_nowait,
11753 c_parser_omp_clause_num_threads,
11754 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11755 c_parser_omp_clause_reduction,
11756 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11757 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11758 c_parser_omp_atomic, c_parser_omp_barrier,
11759 c_parser_omp_critical, c_parser_omp_flush,
11760 c_parser_omp_for_loop, c_parser_omp_for,
11761 c_parser_omp_master, c_parser_omp_ordered,
11762 c_parser_omp_sections_scope, c_parser_omp_sections,
11763 c_parser_omp_parallel, c_parser_omp_single,
11764 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11765 * c-pragma.c (init_pragma): Do omp pragma registration here.
11766 * c.opt (fopenmp): New flag.
11768 2006-01-18 Eric Christopher <echristo@apple.com>
11770 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11771 * config/darwin.h (GOMP_SELF_SPECS): Define.
11773 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11775 * rtl.h: Remove the prototype for reg_alloc.
11777 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11780 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11781 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11782 sjlj and dwarf2 exception handling.
11783 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11784 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11785 * pa/pa.c (function_value): Treat complex and vector types as
11787 (function_arg): Likewise. Only pass scalar floats in the floating
11788 point argument registers.
11789 * pa/t-slibgcc-dwarf-ver: New file.
11790 * pa/t-slibgcc-sjlj-ver: New file.
11791 * pa/t-slibgcc-elf-ver: Delete file.
11793 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11795 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11796 unlikely_test_section_p test.
11798 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11800 * mode-switching.c (optimize_mode_switching): Make it static.
11801 * basic-block.h: Remove the prototype for
11802 optimize_mode_switching.
11804 * modulo-sched.c (sms_schedule): Make it static.
11805 * rtl.h: Remove the prototype for sms_schedule.
11807 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11808 * rtl.h: Remove the prototype for gcse_after_reload_main.
11810 * reg-stack.c (reg_to_stack): Make it static.
11811 * rtl.h: Remove the prototype for reg_to_stack.
11813 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11815 * rtl.h: Remove the prototypes for regrename_optimize and
11816 copyprop_hardreg_forward.
11818 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11820 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11821 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11822 Test against the appropriate null constant for the mode.
11823 If 'fixup_overlap' is true, swap the operands if they overlap.
11824 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11825 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11826 alpha_split_tmode_pair and adjust for above change.
11827 * config/alpha/alpha.md (movtf_internal): Adjust call to
11828 alpha_split_tfmode_pair and rely on it to swap the operands.
11829 (movti_internal): New insn and post-reload splitter.
11830 (movti): New expander.
11832 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11834 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11837 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11839 * rtlanal.c (global_reg_mentioned_p_1,
11840 global_reg_mentioned_p): Remove.
11841 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11843 * flow.c (initialize_uninitialized_subregs): Make it static.
11844 * rtl.h: Remove the prototype for
11845 initialize_uninitialized_subregs.
11847 * function.c (instantiate_virtual_regs): Make it static.
11848 * function.h: Remove the prototype for
11849 instantiate_virtual_regs.
11851 * regmove.c (regmove_optimize, combine_stack_adjustments):
11853 * rtl.h: Remove the prototypes for regmove_optimize and
11854 combine_stack_adjustments.
11856 2006-01-17 Roger Sayle <roger@eyesopen.com>
11858 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11859 (size_cost): Encode costs in bytes so that a reg-reg addition is
11860 equivalent to COSTS_N_INSNS(1).
11861 (override_options): Use the size_cost.branch_cost as the default
11862 ix86_branch_cost when optimizing for size.
11864 2006-01-18 Ben Elliston <bje@au.ibm.com>
11866 * Makefile.in (D32PBIT_FUNCS): New.
11867 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11868 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11869 D64PBIT_FUNCS and D128PBIT_FUNCS.
11870 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11871 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11873 (decnumber_dep): Define.
11874 * doc/libgcc.texi (Decimal float library routines): New node.
11875 * config/dfp-bit.h, config/dfp-bit.c: New files.
11877 2006-01-18 Ben Elliston <bje@au.ibm.com>
11879 * expr.c (emit_move_change_mode): Always adjust addresses, not
11880 just during reload. Copy replacements only during reload.
11881 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11882 emit_move_via_integer.
11884 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11886 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11887 instead of $(srcdir) and ${srcdir}.
11889 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11892 PR middle-end/11135
11893 * arm.h (struct machine_function): Add pic_reg.
11894 * arm.c (arm_pic_register): Make unsigned.
11895 (arm_override_options): Only set arm_pic_register if
11896 TARGET_SINGLE_PIC_BASE.
11897 (use_return_insn): Only test for a pic register if it is fixed.
11898 (arm_compute_save_reg0_reg12_mask): Likewise.
11899 (thumb_compute_save_reg_mask): Likewise.
11900 (legitimate_pic_operand): Factor out some known invariants.
11901 (legitimize_pic_address): If we don't have a fixed pic register,
11902 then set up a pseudo in the function entry sequence. Handle the
11903 pic base being in a pseudo.
11904 (arm_load_pic_register): Handle the pic register being in a pseudo.
11905 (arm_expand_prologue): Only set up the pic register if it is fixed.
11906 (thumb_expand_prologue): Likewise.
11907 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11908 (pic_load_addr_based_insn): Likewise.
11909 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11912 2006-01-18 Ben Elliston <bje@au.ibm.com>
11914 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11915 decimal float modes for all floating point registers.
11917 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11918 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11920 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11923 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11924 even when the pointer is not NULL.
11926 2006-01-16 Ian Lance Taylor <ian@airs.com>
11928 * common.opt (ftoplevel-reorder): New option.
11929 * cgraph.c (cgraph_asm_nodes): New global variable.
11930 (cgraph_asm_last_node): New static variable.
11931 (cgraph_order): New global variable.
11932 (cgraph_create_node): Set new order field.
11933 (cgraph_varpool_node): Likewise.
11934 (decide_is_variable_needed): Return true if not
11935 flag_toplevel_reorder.
11936 (cgraph_add_asm_node): New function.
11937 * cgraph.h (struct cgraph_node): Add order field.
11938 (struct cgraph_varpool_node): Add order field.
11939 (struct cgraph_asm_node): Define.
11940 (cgraph_asm_nodes, cgraph_order): Declare.
11941 (cgraph_add_asm_node): Declare.
11942 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11944 (cgraph_varpool_assemble_pending_decls): Call it.
11945 (cgraph_output_pending_asms): New static function.
11946 (cgraph_finalize_compilation_unit): Call it.
11947 (struct cgraph_order_sort): Define.
11948 (cgraph_output_in_order): New static function.
11949 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11950 !flag_toplevel_reorder case.
11951 * c-parser.c: Include "cgraph.h".
11952 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11954 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11955 than -fno-unit-at-a-time.
11956 * doc/invoke.texi (Option Summary): Mention
11957 -fno-toplevel-reorder.
11958 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11959 -funit-at-a-time documentation.
11961 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11962 Kazu Hirata <kazu@codesourcery.com>
11964 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11966 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11968 * Makefile.in (FUNCTION_H): New. Use it instead of
11969 function.h throughout the file.
11970 * function.h: Include tree.h.
11972 2006-01-17 Ben Elliston <bje@au.ibm.com>
11974 * recog.c: Separate some functions with whitespace.
11976 2006-01-16 Richard Henderson <rth@redhat.com>
11978 Merge from gomp branch:
11979 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11980 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11981 and rename from struct inline_data. Rename callee* to dst*;
11982 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11983 transform_new_cfg, transform_return_to_modify, and
11984 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11986 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11987 (copy_decl_for_dup): Remove.
11988 * tree-inline.c (struct inline_data): Move to header.
11989 (insert_decl_map): Export.
11990 (remap_decl): Update for member name changes. Use copy_decl hook.
11991 Allow for replacement to be a non-decl. Remove dead code.
11992 (remap_type_1): Check for existing mapping.
11993 (remap_type): Export.
11994 (remap_decls): Update for member name changes.
11995 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11996 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11997 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11998 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11999 (tree_function_versioning, build_duplicate_type): Likewise.
12000 (copy_body_r): Likewise. Export.
12001 (copy_decl_for_dup): Split into ...
12002 (copy_decl_for_dup_finish, copy_decl_to_var,
12003 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12004 (replace_ref_tree, inlining_p): Remove.
12006 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12008 * ifcvt.c (if_convert): Make it static.
12009 * rtl.h: Remove the prototype for if_convert.
12011 * local-alloc.c (local_alloc): Make it static.
12012 * rtl.h: Remove the prototype for local_alloc.
12014 * loop.c (loop_optimize): Make it static.
12015 * cfgloop.h: Remove the prototype for loop_optimize.
12018 2006-01-16 DJ Delorie <dj@redhat.com>
12020 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12023 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12025 * pa.md: Disparage copies between general and floating-point registers
12026 in 32-bit move patterns.
12028 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12031 * Makefile.in (check-%): Depend on site.exp instead of
12032 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12035 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12037 * global.c (global_alloc): Make it static.
12038 * rtl.h: Remove the prototype for global_alloc.
12040 2006-01-16 Richard Guenther <rguenther@suse.de>
12042 * tree-ssa-alias.c (struct used_part): Add write_only field.
12043 (get_or_create_used_part_for): Initialize it to true.
12044 (create_overlap_variables_for): Don't create structure variables
12045 for structures that only are written to.
12046 (find_used_portions): Handle MODIFY_EXPR to track whether a
12047 structure is only written to.
12049 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12051 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12053 * basic-block.h: Remove the prototype for
12054 partition_hot_cold_basic_blocks.
12056 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12058 * cppspec.c (lang_specific_spec_functions): Remove.
12059 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12060 * gcc.h (lang_specific_spec_functions): Remove.
12061 * gccspec.c (lang_specific_spec_functions): Remove.
12063 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12065 * combine.c (record_value_for_reg): Invalidate registers
12067 (record_dead_and_set_regs_1): Likewise, by passing them to
12068 record_value_for_reg.
12069 (record_dead_and_set_regs): Invalidate stores made by a
12070 call. We do not combine across a call, but we still
12071 relied on equivalences.
12073 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12075 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12076 vrp_int_const_binop returning non-constant nodes.
12078 2006-01-16 Paul Brook <paul@codesourcery.com>
12080 * config/m68k/m68k.c (output_move_const_into_data_reg):
12081 Output correct mnemonic for mvz and mvs.
12083 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12085 * rtl-factoring.c: Add sequence abstraction algorithm.
12086 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12087 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12089 (block_has_preserve_label): New function.
12090 * common.opt: Register new pass.
12091 * Makefile.in: Ditto.
12093 * timevar.def: Ditto.
12094 * tree-pass.h: Ditto.
12095 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12096 * rtl.h (make_jump_insn_raw): Add forward decl.
12097 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12099 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12100 Roger Sayle <roger@eyesopen.com>
12102 * fold-const.c (fold_minmax): New static function.
12103 (fold_binary) <MIN_EXPR>: Call it.
12104 <MAX_EXPR>: Likewise.
12105 * stor-layout.c (place_field): Use DECL_SIZE consistently
12106 in the computation of the new record size.
12108 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12110 * cse.c (cse_condition_code_reg): Make it static.
12111 * rtl.h: Remove the prototype for cse_condition_code_reg.
12113 * combine.c (combine_instructions): Make it static.
12114 * rtl.h: Remove the prototype for combine_instructions.
12116 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12119 * tree.c (get_file_function_name_long): Concatenate the first global
12120 object name with a string derived from the input filename of the object
12123 2006-01-16 Ben Elliston <bje@au.ibm.com>
12125 * config/i386/winnt-stubs.c: Update FSF address.
12126 * config/xtensa/ieee754-df.S: Ditto.
12127 * config/xtensa/ieee754-sf.S: Ditto.
12129 2006-01-14 Ian Lance Taylor <ian@airs.com>
12131 * ifcvt.c (noce_init_if_info): New static function, broken out of
12132 noce_process_if_block.
12133 (noce_process_if_block): Call noce_init_if_info.
12134 (check_cond_move_block): New static function.
12135 (cond_move_process_if_block): New static function.
12136 (process_if_block): Call cond_move_process_if_block.
12138 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12140 * cselib.c (hash_table): Rename to cselib_hash_table.
12141 (cselib_clear_table, discard_useless_values,
12142 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12143 cselib_init, cselib_finish): Adjust uses of hash_table.
12145 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12147 PR tree-optimization/25485
12148 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12149 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12150 is known to be false and true, respectively.
12152 2006-01-14 Richard Guenther <rguenther@suse.de>
12154 PR tree-optimization/22548
12155 PR tree-optimization/22555
12156 PR tree-optimization/22501
12157 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12158 * params.def (salias-max-array-elements): New parameter.
12159 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12160 * doc/invoke.texi (salias-max-array-elements): Document.
12161 * tree-flow-inline.h (var_can_have_subvars): We also handle
12163 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12165 * tree-ssa-structalias.c (params.h): Include.
12166 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12167 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12168 (get_constraint_for): For ADDR_EXPR operating on something
12169 containing an ARRAY_REF, add all subvars to the solution.
12170 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12171 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12172 for creating MUST_DEFs.
12173 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12175 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12177 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12179 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12180 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12181 number_of_iterations_le): New functions.
12182 (number_of_iterations_special): Removed.
12183 (number_of_iterations_exit): Do not use number_of_iterations_special.
12184 * tree.c (unsigned_type_for): Always return integer type.
12186 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12187 Richard Guenther <rguenther@suse.de>
12189 PR rtl-optimization/24257
12190 * gcse.c (find_moveable_store): Only consider a store movable
12191 when the SET_SRC of the insn can be assigned to a register.
12193 2006-01-14 Ian Lance Taylor <ian@airs.com>
12195 * tree.c (tree_not_class_check_failed): New function.
12196 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12197 (tree_not_class_check_failed): Declare.
12199 2006-01-13 Ian Lance Taylor <ian@airs.com>
12201 * reload1.c (do_output_reload): Add assertion rejecting a
12204 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12206 * combine.c (struct reg_stat): Add new fields truncation_label and
12208 (record_value_for_reg): Reset truncated_to_mode.
12209 (record_truncated_value): New function.
12210 (check_promoted_subreg): Call it. Rename to check_conversions.
12211 (combine_instructions): Rename check_promoted_subreg to
12213 (reg_truncated_to_mode): New function.
12214 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12215 (gen_lowpart_or_truncate): New function.
12216 (force_to_mode): Use it instead of gen_lowpart.
12218 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12220 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12221 VAR is a tag, not its type tag.
12223 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12225 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12226 alternatives to match style of other entries.
12227 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12229 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12231 PR tree-optimization/25771
12232 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12235 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12238 * tree-inline.c (declare_return_variable): If the return variable
12239 was marked as a non gimple complex, set the return slot variable
12240 to be a non gimple comple variable.
12242 2006-01-13 Richard Guenther <rguenther@suse.de>
12244 * builtins.c (expand_builtin_sincos): New function.
12245 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12247 (expand_builtin): Expand sincos using expand_builtin_sincos.
12249 2006-01-12 DJ Delorie <dj@redhat.com>
12251 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12252 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12253 so that constant shifts can be split.
12254 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12255 (m32c_valid_pointer_mode): Make static.
12256 (shift_gen_func_for): New.
12257 (m32c_prepare_shift): Use it. Split large const shifts into
12259 * config/m32c/predicates.md (shiftcount_operand): Allow more
12261 (longshiftcount_operand): New.
12262 * doc/md.texi (Machine Constraints): Document In6.
12264 2006-01-13 Ben Elliston <bje@au.ibm.com>
12266 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12267 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12270 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12272 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12273 to try to avoid clobbering pieces of structures when we know
12274 something about the whole structure.
12275 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12277 2006-01-13 Ben Elliston <bje@au.ibm.com>
12279 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12280 return in memory, as this is no limitation is no longer present.
12282 2006-01-12 DJ Delorie <dj@redhat.com>
12284 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12285 mova with fb, and for fb+0 -> An.
12287 * config/m32c/mov.md (peephole2): Fix enabling logic.
12289 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12290 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12291 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12292 FINI_ARRAY_SECTION_ASM_OP): Define.
12294 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12296 (m32c_legitimize_reload_address): New logic to reload FB to An.
12297 (m32c_output_reg_push): Add newline.
12298 (m32c_output_reg_pop): Likewise.
12300 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12302 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12304 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12306 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12308 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12310 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12313 2006-01-11 Ben Elliston <bje@au.ibm.com>
12315 * rtlanal.c (find_reg_note): Assert insn is not null.
12317 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12319 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12322 2006-01-11 Jeff Law <law@redhat.com>
12324 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12326 (mark_threaded_blocks, register_jump_thread): New functions.
12327 (thread_through_all_blocks): Remove unwanted argument. No
12328 longer rely on e->aux to communicate thread target info.
12329 Call mark_threaded_blocks. Release the threaded_blocks
12330 bitmap and threaded_edges vector when complete.
12331 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12332 (threaded_blocks): Remove.
12333 (tree_ssa_dominator_optimize): Remove initialization and
12334 finalization of threaded_blocks. Simplify call to
12335 thread_through_all_blocks.
12336 (thread_across_edge): Call register_jump_thread rather than
12337 storing thread information into e->aux.
12338 (free_all_edge_infos): Simplify now that e->aux is no longer
12339 used to communicate with thread_through_all_blocks.
12340 * tree-flow.h (thread_through_all_blocks): Update prototype.
12341 (register_jump_thread): Prototype.
12343 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12345 * df-core.c (df_compact_blocks, df_bb_replace): Use
12346 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12348 2006-01-11 Richard Guenther <rguenther@suse.de>
12350 PR tree-optimization/25734
12351 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12352 stop propagation after successful propagation to the LHS.
12354 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12356 * basic-block.h (control_flow_graph): Change the type of
12357 x_basic_block_info to VEC(basic_block,gc) *.
12358 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12360 (SET_BASIC_BLOCK): New.
12361 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12362 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12363 * cfgbuild.c (find_basic_blocks): Likewise.
12364 * cfglayout.c (fixup_reorder_chain): Likewise.
12365 * cfgrtl.c (create_basic_block_structure,
12366 rtl_create_basic_block): Likewise.
12367 * ifcvt.c (find_if_case_1): Likewise.
12368 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12371 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12373 * Makefile.in: Removed rotted odf.c entry.
12375 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12378 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12379 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12380 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12381 output pattern modifier, not %e.
12382 * config/cris/cris.c (cris_op_str): Update comment about pattern
12384 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12385 before falling through into...
12386 <case 'E'>: Redefined from old 'e' case.
12388 2006-01-11 Jan Hubicka <jh@suse.cz>
12391 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12393 2006-01-11 Jan Hubicka <jh@suse.cz>
12395 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12396 * i386.c (x86_decompose_lea): Kill.
12397 (ix86_rtx_costs): Kill.
12399 2006-01-11 Jan Hubicka <jh@suse.cz>
12401 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12402 * cgraph.h (cgraph_node): Add inline_decl.
12403 (cgraph_insert_node_to_hashtable): Declare.
12404 (save_inline_function_body): Declare.
12405 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12407 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12408 (cgraph_function_versioning): Update call of tree_function_versioning.
12409 (save_inline_function_body): New function.
12410 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12411 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12412 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12413 (cgraph_default_inline_p): Likewise.
12414 (cgraph_decide_inlining_incrementally): Likewise.
12415 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12416 (copy_bb): Kill saving; do updating of clones.
12417 (copy_cfg_body): Kill saving.
12418 (initialize_inlined-parameters): Likewise.
12419 (expand_call_inline): Likewise.
12421 (tree_function_versioning): New parameter "update_clones".
12422 (inlining_p): Kill saving.
12423 * tree-inline.h (tree_function_versioning): Update prototype.
12424 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12427 2006-01-11 Ian Lance Taylor <ian@airs.com>
12429 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12430 Allow undoing set of machine mode.
12431 (do_SUBST): Use enums instead of is_int.
12432 (do_SUBST_MODE): New function.
12433 (SUBST_MODE): New macro.
12434 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12435 reg and trying to replace reg_regno_rtx with a new register.
12436 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12437 (simplify_set): Use SUBST_MODE.
12438 (distribute_notes): Remove code that tried to update reg notes
12439 for regno_reg_rtx changes.
12441 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12443 PR tree-optimization/23109
12444 PR tree-optimization/23948
12445 PR tree-optimization/24123
12447 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12448 * tree-cfg.c (single_noncomplex_succ): New.
12449 * tree-flow.h (single_noncomplex_succ): Declare it.
12450 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12451 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12452 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12453 insert_bb, register_division_in, insert_reciprocals,
12454 replace_reciprocal, free_bb): New.
12455 (execute_cse_reciprocals_1): Rewritten.
12456 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12457 Do not commit any edge insertion. Always compute dominators and
12458 create the allocation pool.
12459 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12460 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12461 * targhooks.c (default_min_divistions_for_recip_mul): New.
12462 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12463 * passes.c (init_optimization_passes): Run recip after tree loop
12465 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12467 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12468 Kenneth Zadeck <zadeck@naturalbridge.com>
12470 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12471 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12472 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12473 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12474 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12475 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12476 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12477 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12478 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12479 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12480 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12481 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12482 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12483 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12484 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12485 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12486 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12487 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12488 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12489 DF_SCAN_POST_ALLOC): New macros.
12490 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12491 df_free_bb_function, df_local_compute_function, df_init_function,
12492 df_dataflow_function, df_confluence_function_0,
12493 df_confluence_function_n, df_transfer_function,
12494 df_finalizer_function, df_free_function, df_dump_problem_function,
12495 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12496 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12497 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12498 df_urec_bb_info, ) New types.
12499 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12501 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12502 df_analyze_simple_change_some_blocks,
12503 df_analyze_simple_change_one_block, df_compact_blocks,
12504 df_bb_replace, df_bb_regno_last_use_find,
12505 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12506 df_insn_regno_def_p, df_find_def, df_find_use,
12507 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12508 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12509 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12510 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12511 debug_df_chain, df_get_dependent_problem, df_chain_create,
12512 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12513 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12514 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12515 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12516 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12517 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12518 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12519 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12520 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12521 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12522 df_reorganize_refs, df_set_state, df_hard_reg_init,
12523 df_read_modify_subreg_p) New public functions.
12524 * df-core.c: The core dataflow solver and glue routines for rtl
12526 (df_init, df_add_problem, df_set_blocks, df_finish,
12527 df_hybrid_search_forward, df_hybrid_search_backward,
12528 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12529 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12530 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12531 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12532 df_reg_defined, df_find_use, df_reg_used, df_dump,
12533 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12534 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12535 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12536 debug_df_useno, reset_df_after_reload): New functions.
12537 * df-scan.c: The scanning fuctions, once in df.c, completely
12538 rewritten so that they now fully model the functionality of
12539 register usage at the backend.
12540 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12541 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12542 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12543 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12544 df_get_artificial_defs, df_get_artificial_uses,
12545 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12546 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12547 df_refs_delete, df_reorganize_refs, df_set_state,
12548 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12549 df_def_record_1, df_defs_record, df_uses_record,
12550 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12551 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12552 df_record_exit_block_uses, df_hard_reg_init): New functions.
12554 * df-problems.c: Seven concrete dataflow problems that use the
12555 scanning in df-scan.c and are solved by the engine in df-core.c.
12556 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12557 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12558 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12559 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12560 df_ru_free_bb_info, df_ru_alloc,
12561 df_ru_bb_local_compute_process_def,
12562 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12563 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12564 df_ru_transfer_function, df_ru_free, df_ru_dump,
12565 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12566 df_rd_free_bb_info, df_rd_alloc,
12567 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12568 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12569 df_rd_transfer_function, df_rd_free, df_rd_dump,
12570 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12571 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12572 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12573 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12574 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12575 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12576 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12577 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12578 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12579 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12580 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12581 df_urec_mark_reg_use_for_earlyclobber,
12582 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12583 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12584 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12585 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12586 df_chain_create_bb_process_use, df_chain_create_bb,
12587 df_chain_finalize, df_chain_free, df_chains_dump,
12588 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12589 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12590 df_reg_lifetime): New functions.
12591 * df.c: Deleted file.
12592 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12593 consistent with new df api.
12594 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12595 rest_of_handle_sms): Ditto.
12596 * web.c (unionfind_union, union_defs, entry_register, web_main):
12598 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12599 invariant_expr_equal_p, find_defs, check_dependencies,
12600 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12601 free_inv_motion_data, move_loop_invariants): Ditto.
12602 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12603 Update dependencies.
12604 (odf.c): Added defective entry that was deleted later in day.
12605 * sched-deps.c (sched_analyze_1): Ditto.
12607 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12609 * tree-ssa-operands.c (get_expr_operands): Record addressable
12610 variables directly. Do not call add_stmt_operands for CONST_DECLs
12612 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12613 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12615 2006-01-11 Ben Elliston <bje@au.ibm.com>
12617 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12618 function returns true in the positive case.
12620 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12623 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12624 for SI, DI, SF and DF modes. Add alternatives to copy between
12625 general and floating point registers to the 32-bit patterns.
12626 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12627 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12628 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12629 generating 64-bit code.
12630 * config/pa/pa.c (output_move_double): Handle copies between general
12631 and floating registers.
12633 2006-01-10 Stuart Hastings <stuart@apple.com>
12635 * config/i386/i386.md (set_got): Update.
12636 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12637 (builtin_setjmp_receiver): Mach-O support.
12638 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12639 (GOT_SYMBOL_NAME): Define.
12640 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12641 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12642 * config/i386/i386.c (override_options): Revise for Darwin.
12643 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12644 support. (darwin_x86_file_end): New. (output_set_got): Add label
12645 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12646 * config/i386/i386-protos.h (output_set_got): Likewise.
12647 * config/darwin.c (machopic_legitimize_pic_address): Update
12650 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12652 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12653 when MODE isn't BLKmode.
12655 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12657 PR rtl-optimization/25367
12658 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12660 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12663 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12664 for a negative bound.
12666 2006-01-10 Richard Guenther <rguenther@suse.de>
12668 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12669 Never override with anything constraint.
12671 2006-01-10 Jan Beulich <jbeulich@novell.com>
12673 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12674 256 bits when optimize_size.
12676 2006-01-10 Jan Beulich <jbeulich@novell.com>
12678 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12680 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12681 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12684 2006-01-10 Ben Elliston <bje@au.ibm.com>
12686 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12688 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12689 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12690 (USE_FP_FOR_ARG): Reject decimal float modes.
12691 (function_arg_advance): Likewise.
12692 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12693 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12694 point types in AltiVec vectors.
12695 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12696 (rs6000_libcall_value): Likewise.
12698 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12700 * config/xtensa/ieee754-df.S: New file.
12701 * config/xtensa/ieee754-sf.S: New file.
12702 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12703 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12704 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12706 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12708 * config/sh/predicates.md (binary_float_operator,
12709 binary_logical_operator, commutative_float_operator,
12710 equality_comparison_operator, greater_comparison_operator,
12711 less_comparison_operator, logical_operator,
12712 noncommutative_float_operator, shift_operator,
12713 symbol_ref_operand, unary_float_operator): Remove redundant
12716 2006-01-09 Jeff Law <law@redhat.com>
12718 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12719 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12720 now unused arguments. Callers updated.
12721 (eliminate_redundant_computations): Remove now unused arguments,
12723 (local_fold): Remove, no longer used.
12724 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12726 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12727 (simplify_cond): New function.
12728 (forward_propagate_into_cond): Call simplify_cond.
12730 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12732 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12733 (*vec_extractv2di_1_sse): New.
12735 2006-01-09 Ben Elliston <bje@au.ibm.com>
12737 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12739 2006-01-08 Richard Guenther <rguenther@suse.de>
12741 * tree-ssa-structalias.c (get_constraint_for): Remove
12742 anyoffset argument.
12743 (get_constraint_for_component_ref): Likewise.
12744 (do_deref): Likewise.
12745 (get_constraint_for): Likewise.
12746 (do_structure_copy): Likewise.
12747 (handle_ptr_arith): Likewise.
12748 (find_func_aliases): Likewise. Remove unused need_anyoffset
12751 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12752 Kaz Kojima <kkojima@gcc.gnu.org>
12754 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12755 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12756 (EXTRA_CONSTRAINT_C16): Remove.
12757 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12758 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12759 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12760 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12761 constants of SHmedia. Handle nested constant expressions of
12763 (andcosts): Fix the costs for SHmedia constants.
12764 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12765 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12766 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12767 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12768 (movv4hi_i, movv2si_i): Likewise.
12769 (movsi_const): Adjust the second operand of ior so to match with
12770 the Csu constraint.
12771 (movdi_const, movdi_const_32bit): Likewise.
12772 (movdi_const_16bit+1): Don't sign-extend LOW.
12773 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12775 (*double_shori): Fix the split condition. Use GEN_INT instead
12776 of get_int_mode calls. Mask lower 16-bit of the argument of
12778 (sym2GOTPLT): Remove.
12779 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12781 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12782 instead of EXTRA_CONSTRAINT_C16.
12784 2006-01-07 Ian Lance Taylor <ian@airs.com>
12785 David Edelsohn <edelsohn@gnu.org>
12787 PR rtl-optimization/25662
12788 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12789 for constant operands instead of simplify_gen_binary.
12790 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12791 after trying simplify_binary_operation
12793 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12795 * tree.c (iterative_hash_expr): Hash decls based on UID.
12797 2006-01-06 Eric Christopher <echristo@apple.com>
12799 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12800 (TARGET_UNWIND_EMIT): Fix spelling.
12801 * target.h (gcc_target): Add except_table_label.
12802 * except.c (output_function_exception_table): Use.
12803 * varasm.c (default_emit_except_table_label): New.
12804 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12806 (asm_out): Add here.
12807 * output.h (default_emit_except_table_label): Prototype.
12808 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12809 * config/darwin.c (darwin_emit_except_table_label): Define.
12810 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12812 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12814 PR tree-optimization/18527
12815 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12816 number_of_iterations_special, number_of_iterations_exit):
12817 Move base and step of an iv to a single structure. Add
12818 no_overflow flag, and use it in # of iterations analysis.
12819 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12820 folded_casts argument.
12821 (simple_iv): Pass base and step in a structure. Set no_overflow
12823 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12824 Evaluate expensiveness of computing # of iterations instead of
12825 the final expression.
12826 * tree-scalar-evolution.h (affine_iv): New structure.
12827 (simple_iv): Declaration changed.
12828 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12829 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12830 find_givs_in_stmt): Changed due to simple_iv change.
12832 2006-01-06 Jeff Law <law@redhat.com>
12835 * tree-cfg.c (bsi_replace): Rename final argument from
12836 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12837 change (stmt -> orig_stmt).
12838 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12839 (bsi_remove): Add new argument. Remove EH information
12841 (verify_eh_throw_table_statements): New function.
12842 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12844 * tree-optimize.c (execute_free_cfg_annotations): Verify
12845 the EH throw statement table after removing annotations.
12846 * except.h (verify_eh_throw_table_statements): Prototype.
12847 * tree-flow.h (bsi_remove): Update prototype.
12848 * tree-vrp.c (remove_range_assertions): Add new argument to
12850 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12851 * tree-complex.c (expand_complex_div_wide): Likewise.
12852 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12853 * tree-tailcall.c (eliminate_tailcall): Likewise.
12854 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12855 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12856 * tree-nrv.c (tree_nrv): Likewise.
12857 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12858 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12859 (combine_blocks): Likewise.
12860 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12861 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12862 (cleanup_control_flow): Likewise.
12863 (remove_forwarder_block): Likewise.
12864 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12865 * tree-sra.c (sra_replace): Likewise.
12866 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12867 (forward_propagate_single_use_vars): Likewise.
12868 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12869 * tree-inline.c (expand_call_inline): Likewise.
12870 * tree-vect-transform.c (vect_transform_loop): Likewise.
12871 * tree-outof-ssa.c (rewrite_trees): Likewise.
12872 * tree-cfg.c (make_goto_expr_edges): Likewise.
12873 (cleanup_dead_labels): Likewise.
12874 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12875 (bsi_move_before, bsi_move_after): Likewise.
12876 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12877 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12879 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12882 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12884 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12885 on non gimple variables. Also add checks at the top for decls and
12887 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12889 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12890 and IMAGPART_EXPR for creating MUST_DEFs.
12891 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12892 and NAME_MEMORY_TAG separately from the DECLs.
12894 2006-01-06 Richard Guenther <rguenther@suse.de>
12896 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12897 annotation, if necessary.
12898 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12899 redundant calls to update_stmt.
12900 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12903 2006-01-05 Richard Henderson <rth@redhat.com>
12905 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12907 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12909 * c-typeck.c: Update copyright date.
12911 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12913 * c-typeck.c (build_c_cast): Always warn when casting
12914 from a pointer to an integer of different size, even if
12915 the node was constant.
12917 2006-01-05 Richard Guenther <rguenther@suse.de>
12919 PR tree-optimization/22555
12920 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12921 if one structure field is an array.
12922 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12923 operands even if we found a subvar, but ignore VOPs in this
12925 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12927 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12929 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12931 PR middle-end/24998
12932 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12934 2006-01-05 Richard Guenther <rguenther@suse.de>
12935 Diego Novillo <dnovillo@redhat.com>
12937 * tree-pass.h (TODO_remove_unused_locals): Define.
12938 * gimple-low.c (expand_var_p, remove_useless_vars,
12939 pass_remove_useless_vars): Remove. Update all users.
12940 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12941 (remove_unused_locals): New function.
12942 * tree-flow.h (remove_unused_locals): Declare.
12943 * passes.c (execute_todo): Call remove_unused_locals if
12944 TODO_remove_unused_locals is set.
12945 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12946 * tree-ssa-dce.c (pass_dce): Likewise.
12947 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12949 2006-01-05 Richard Guenther <rguenther@suse.de>
12951 * tree-flow.h (struct fieldoff): Decompose field to
12952 type, size and decl.
12953 * tree-ssa-alias.c (create_sft): Take type as parameter.
12954 (create_overlap_variables_for): Store type, size and decl
12955 in the fieldoff structure.
12956 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12957 of struct fieldoff.
12958 (push_fields_onto_fieldstack): Likewise.
12959 (create_variable_info_for): Likewise. Use offset for the
12960 SFT name if the decl is not available.
12962 2006-01-04 Paul Brook <paul@codesourcery.com>
12964 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12966 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12968 * lambda-code.c (can_put_in_inner_loop): Relax
12970 (can_put_after_inner_loop): New function.
12971 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12972 (perfect_nestify): Change to make copies and modify uses.
12974 2006-01-04 Richard Henderson <rth@redhat.com>
12976 Merge from gomp branch:
12977 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12978 via integer constant.
12979 (pragma_lex): Remove.
12980 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12981 rather than parsing it.
12982 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12983 handle_pragma_extern_prefix): Add %< %> quotes.
12984 (registered_pragmas): New.
12985 (c_register_pragma_1): New.
12986 (c_register_pragma): Use it.
12987 (c_register_pragma_with_expansion): Likewise.
12988 (c_invoke_pragma_handler): New.
12989 (init_pragma): Use cpp_register_deferred_pragma directly for
12991 * c-pragma.h (enum pragma_kind): New.
12992 (pragma_handler): New.
12993 (c_invoke_pragma_handler): Declare.
12994 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12996 * c-common.h (c_common_pch_pragma): Update decl.
12997 * Makefile.in (c-parser.o): Update dependencies.
12998 (GTFILES): Add c-pragma.h.
12999 * c-parser.c (struct c_token): Add pragma_kind.
13000 (struct c_parser): Add in_pragma.
13001 (c_lex_one_token): Always initialize keyword and pragma_kind.
13002 Extract data for CPP_PRAGMA.
13003 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13004 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13005 Don't allow CPP_PRAGMA_EOL if in_pragma.
13006 (c_parser_consume_pragma): New.
13007 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13008 (c_parser_skip_to_end_of_parameter): Likewise.
13009 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13010 (c_parser_skip_to_pragma_eol): New.
13011 (c_parser_external_declaration): Handle CPP_PRAGMA.
13012 (c_parser_compound_statement_nostart): Likewise.
13013 (c_parser_statement_after_labels): Likewise.
13014 (c_parser_pragma): New.
13015 (pragma_lex): Likewise.
13016 (c_parser_pragma_pch_preprocess): New.
13017 (c_parser_new): Merge into ...
13018 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13020 2006-01-04 Jeff Law <law@redhat.com>
13023 * tree-cfg.c (bsi_replace): Remove the original statement
13024 from the EH throw statement table.
13026 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13028 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13029 make the prototype extern "C" and add throw ().
13032 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13033 and pos non-negative and pos + len <= 32.
13034 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13035 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13036 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13039 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13040 as well as sizes not multiple of component size.
13043 * function.c (instantiate_expr): New function.
13044 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13045 walk its DECL_VALUE_EXPR with instantiate_expr.
13047 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13048 DW_OP_deref{,_size} if address isn't going to be added.
13050 2006-01-04 Ben Elliston <bje@au.ibm.com>
13052 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13053 * config/fp-bit.c: Likewise.
13055 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13057 * dominance.c: Add comment about why we use DFS numbering
13060 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13061 Richard Henderson <rth@redhat.com>
13063 Merge from gomp-branch:
13064 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13065 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13067 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13069 PR rtl-optimization/25578
13070 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13071 pass a parameter to simplify_shift_const if changing ASHIFTRT
13074 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13076 * builtins.c (get_builtin_sync_mem): New function.
13077 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13078 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13079 Call get_builtin_sync_mem to generate mem rtx.
13081 2006-01-03 Richard Guenther <rguenther@suse.de>
13084 * stmt.c (add_case_node): Make sure to clear overflow flags
13087 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13089 Merge from gomp-branch.
13090 * config/sparc/sync.md: New file.
13091 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13092 UNSPECV_LDSTUB): New constants.
13093 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13094 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13095 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13098 2006-01-03 Roger Sayle <roger@eyesopen.com>
13100 * combine.c (reg_subword_p): New predicate to test whether the
13101 destination of a set refers to a subword/piece of a register.
13102 (try_combine): Generalize the code to merge the setting of a
13103 pseudo to a constant followed by a set of a subword of that
13104 register to a constant.
13106 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13108 * basic-block.h (control_flow_graph): Change the type of
13109 x_label_to_block_map to VEC(basic_block,gc) *.
13110 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13111 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13113 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13114 VEC(basic_block,heap) *.
13115 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13116 ssa_prop_fini): Adjust the uses of cfg_blocks.
13118 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13120 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13122 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13123 hashing trees instead of a pointer hash.
13124 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13125 compare for MEM_EXPR.
13127 PR rtl-optimization/25130
13128 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13129 when comparing MEMs for GCSE
13131 2006-01-03 Ben Elliston <bje@au.ibm.com>
13133 * targhooks.h (default_decimal_float_supported_p): Declare.
13134 * targhooks.c (default_decimal_float_supported_p): Define.
13135 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13136 `default_decimal_float_supported_p'.
13137 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13139 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13141 * combine.c (apply_distributive_law <SUBREG>): Check
13142 TRULY_NOOP_TRUNCATION.
13144 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13146 * dwarf2out.c (have_switched_text_section): Delete.
13147 (have_multiple_function_sections): New.
13148 (have_location_lists): Make 'bool'.
13149 (add_AT_loc_list): Use 'true' not '1'.
13150 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13151 (output_loc_list): Use have_multiple_function_sections.
13152 (output_ranges): Likewise.
13153 (dwarf2out_begin_function): Set have_multiple_function_sections if
13155 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13156 Check function_section rather than DECL_SECTION_NAME.
13157 (dwarf2out_finish): Use have_multiple_function_sections.
13158 Don't clear have_location_lists.
13160 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13161 Jan Hubicka <jh@suse.cz>
13163 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13164 case of conditional jump jumping to the next instruction.
13165 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13166 cases of conditional jump jumping to the next instruction.
13168 2006-01-02 Jan Hubicka <jh@suse.cz>
13170 * i386.c (*_cost): Add COSTS_N_INSNS.
13171 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13173 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13176 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13178 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13180 * config/arm/arm.c (all_fpus): Fix comment typo.
13181 * config/darwin.c: Likewise.
13182 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13183 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13184 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13186 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13188 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13189 (rs6000_split_compare_and_swapqhi): New.
13190 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13191 (sync_compare_and_swapqhi_internal): New.
13192 * config/rs6000/rs6000-protos.h: Declare.