1 2006-07-14 Carlos O'Donell <carlos@codesoucery.com>
4 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5 (dbxout_function_end): Use local label LFBB. Remove hook DBX_OUTPUT_NFUN.
6 (dbxout_source_line): Use local label LFBB.
7 (dbxout_block): Likewise.
8 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
9 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
13 2006-07-13 Janis Johnson <janis187@us.ibm.com>
15 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
17 2006-07-13 Jan Hubicka <jh@suse.cz>
19 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
21 * output.h (align_variable): Declare.
22 * varasm.c (align_variable): Export.
23 * value-prof.c (tree_value_profile_transformations): Recompute iterator
24 when basic block changed.
26 2006-07-13 Nick Clifton <nickc@redhat.com>
28 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
29 walking the LOG_LINKS chain.
31 2006-07-12 Geoffrey Keating <geoffk@apple.com>
33 * doc/invoke.texi (C++ Dialect Options): Explain difference
34 between -fvisibility-inlines-hidden and setting hidden
35 visibility explicitly.
37 2006-07-12 Eric Christopher <echristo@apple.com>
39 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
40 (stmp-lipo): Depend on libgcc.a.
42 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
44 * tree.c: Fix a comment typo.
46 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
48 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
50 (umulhisi3_r): Likewise.
52 2006-07-12 Paolo Carlini <pcarlini@suse.de>
55 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
56 x < 19, vs wchar_t support.
58 2006-07-12 Nick Clifton <nickc@redhat.com>
60 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
63 2006-07-12 Mike Stump <mrs@apple.com>
66 * c-parser.c (c_parser_typeof_specifier): Don't use
67 c_finish_expr_stmt, open code desired semantics instead.
69 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
71 2006-07-10 Eric Christopher <echristo@apple.com>
73 * config/t-slibgcc-darwin: Rewrite.
75 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
78 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
81 2006-07-08 Matthias Klose <doko@debian.org>
83 * doc/sourcebuild.texi: Fix typo.
85 2006-07-07 Mike Stump <mrs@apple.com>
87 * toplev.c (process_options): Don't give -ffunction-sections may
88 affect debugging warning for Mach-O.
90 2006-07-07 James E Wilson <wilson@specifix.com>
92 * config/mips/mips.md (cpu): Add sb1a.
93 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
94 addition to sb1. Adjust comments to clarify SB-1A differences from
96 (ir_sb1a_load): New. Modify bypasses to use it.
97 (ir_sb1a_simple_alu): Likewise.
98 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
99 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
100 (mips_issue_rate): Add PROCESSOR_SB1A.
101 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
102 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
103 (TARGET_SB1): Add PROCESSOR_SB1A check.
104 (TUNE_SB1): Likewise.
106 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
107 * config/mips/mips.c (mips_store_data_bypass_p): New.
108 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
111 2006-07-08 Paul Brook <paul@codesourcery.com>
114 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
116 2006-07-07 Richard Guenther <rguenther@suse.de>
119 * tree.h (build_one_cst): Declare.
120 * tree.c (build_one_cst): New function.
121 * tree-ssa-math-opts.c (get_constant_one): Remove.
122 (insert_reciprocals): Use build_one_cst.
123 * fold-const.c (fold_plusminus_mult): Likewise.
125 2006-07-07 Roger Sayle <roger@eyesopen.com>
127 * pointer-set.c (pointer_set_destroy): Correct whitespace.
128 * cfgloopanal.c (dump_graph): Likewise.
129 * dojump.c (discard_pending_stack_adjust): Likewise.
130 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
132 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
133 * function.c (finalize_block_changes): Likewise.
134 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
135 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
136 * rtl.c (dump_rtx_statistics): Likewise.
137 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
139 * varray.c (dump_varray_statistics): Likewise.
140 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
141 decode_decimal64, encode_decimal128, decode_decimal128,
142 decimal_real_to_decimal): Likewise.
144 2006-07-07 Richard Guenther <rguenther@suse.de>
146 PR tree-optimization/28187
147 * tree-vrp.c (vrp_operand_equal_p): New function.
148 (vrp_bitmap_equal_p): Likewise.
149 (update_value_range): Use them to compare old and new
152 2006-07-06 Roger Sayle <roger@eyesopen.com>
154 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
155 a default case to switch statement to silence compiler warnings.
157 2006-07-06 Roger Sayle <roger@eyesopen.com>
160 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
161 the configured assembler supports the x87's ffreep mnemonic.
162 * configure: Regenerate.
163 * config.in: Regenerate.
165 * config/i386/i386.c (output_387_ffreep): New function.
166 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
167 (output_387_reg_move): Likewise.
169 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
171 Port to hosts whose 'sort' and 'tail' implementations
172 treat operands with leading '+' as file names, as POSIX
173 has required since 2001. However, make sure the code still
174 works on pre-POSIX hosts.
175 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
176 which says you should use "tail -c +N" rather than "tail +Nc".
177 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
179 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
181 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
184 2006-07-06 David Edelsohn <edelsohn@gnu.org>
187 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
188 PRE_{INC,DEC} of TFmode.
190 2006-07-06 David Edelsohn <edelsohn@gnu.org>
191 Alan Modra <amodra@bigpond.net.au>
194 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
197 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
200 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
201 Remove duplicate gtu.
203 2006-07-05 Jason Merrill <jason@redhat.com>
207 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
208 * c-common.c (handle_packed_attribute): So don't copy it here.
209 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
211 2006-07-05 Mike Stump <mrs@apple.com>
213 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
215 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
218 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
220 2006-07-05 Richard Guenther <rguenther@suse.de>
223 * config/i386/i386.md (*negdf2_1): Restrict pattern to
224 TARGET_SSE2 targets if using SSE math.
225 (*absdf2_1): Likewise.
227 2006-07-05 Richard Guenther <rguenther@suse.de>
229 PR tree-optimization/28162
230 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
231 make sure to convert the operands to the correct type.
233 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
235 PR tree-optimization/28218
237 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
238 to calculate and free the dominator information.
240 2006-07-04 Peter O'Gorman <peter@pogma.com>
242 * mklibgcc.in: chmod 644 before ranlib during install.
244 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
245 J"orn Rennecke <joern.rennecke@st.com>
247 * configure.ac (.eh_frame data check): Use diff -b.
249 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
252 * Makefile.in (BUILD_RTL): Add build/vec.o.
253 (build/gencondmd.o): Filter out -fkeep-inline-functions.
254 (build/genextract): Delete.
255 (build/genautomata): Likewise.
257 2006-07-04 Alan Modra <amodra@bigpond.net.au>
260 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
261 128-bit IBM long doubles for ABI_V4.
263 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
265 * tree.c (range_in_array_bounds_p): New predicate.
266 * tree.h (range_in_array_bounds_p): Declare it.
267 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
268 return a less conservative answer.
269 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
271 (IS_ELEMENT_FOR_GROUP): New macro.
272 (FOR_EACH_ACTUAL_CHILD): Likewise.
273 (next_child_for_group): New helper function.
274 (can_completely_scalarize_p): Take into account groups.
275 (sra_hash_tree): Handle RANGE_EXPR.
276 (sra_elt_eq): Likewise.
277 (lookup_element): Be prepared for handling groups.
278 (is_valid_const_index): Delete.
279 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
280 instead of is_valid_const_index.
281 <ARRAY_RANGE_REF>: New case.
282 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
283 is_valid_const_index.
284 <ARRAY_RANGE_REF>: Do not unconditionally punt.
285 (scan_dump): Dump info for groups too.
286 (decide_instantiation_1): Likewise.
287 (decide_block_copy): Assert that the element is not a group.
288 Propagate decision to groups.
289 (generate_one_element_ref): Handle RANGE_EXPR.
290 (mark_no_warning): Iterate over actual childs.
291 (generate_copy_inout): Likewise.
292 (generate_element_copy): Likewise.
293 (generate_element_zero): Likewise.
294 (generate_element_init_1): Likewise.
295 (dump_sra_elt_name): Handle RANGE_EXPR.
297 2006-07-03 Roger Sayle <roger@eyesopen.com>
299 PR tree-optimization/26251
300 * tree-ssa-threadupdate.c (redirection_block_p): New function.
301 (thread_block): When optimizing for size refuse to thread jumps
302 that would require duplication of blocks other than redirection
305 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
307 * configure.ac: Fix thinko in previous check-in.
308 * configure: Regenerate.
310 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
313 * configure.ac (for lang...): Simplify nesting of conditionals.
314 Test subdir_requires for non-enabled languages. Move processing
315 of lang_opt_files and lang_tree_fiels below that test.
316 * configure: Regenerate.
317 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
319 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
321 * doc/gcov.texi (Invoking Gcov): Add a missing word.
323 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
325 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
328 2006-06-29 Jason Merrill <jason@redhat.com>
335 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
336 * c-common.c (c_determine_visibility): Handle it here.
337 * c-decl.c (finish_decl): Call c_determine_visibility for
339 * flags.h (enum symbol_visibility): Sort from most to least visibility.
341 * varasm.c (default_assemble_visibility): Likewise.
342 * c-common.c (handle_visibility_attribute): Complain about trying
343 to give visibility to an already defined class, or trying to change
344 declared visibility. Always attach the attribute.
349 * attribs.c (decl_attributes): Ignore type-in-place attributes
350 once the type has been defined.
352 2006-06-29 Roger Sayle <roger@eyesopen.com>
355 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
356 to indicate the cpplib has issued an error message for us.
358 2006-06-29 Asher Langton <langton2@llnl.gov>
361 * config/i386/i386.c (ix86_output_function_epilogue): Don't
362 insert a label at the end of an function under Mach-O.
364 2006-06-29 Eric Christopher <echristo@apple.com>
365 Evan Cheng <evan.cheng@apple.com>
367 * predicates.md (vector_all_ones_operand): New.
368 (nonimmediate_or_sse_const_operand): Ditto.
369 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
370 * config/i386/i386.c (standard_sse_constant_opcode): Define.
371 (standard_sse_mode_p): Ditto.
372 (standard_sse_constant_p): Add case for -1 vector.
373 (ix86_expand_vector_move): Try to use.
374 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
375 Call standard_sse_constant_opcode.
376 (*movv4sf_internal): Ditto.
377 (*movv2df_internal): Ditto.
379 2006-06-29 Roger Sayle <roger@eyesopen.com>
381 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
382 of XEXP to extract the operands of a MATCH_CODE rtx.
384 2006-06-28 Andrew Pinski <pinskia@gmail.com>
386 * tree.c (tree_size): Do not waste tail padding in
387 struct tree_string and make the size be the same as
388 build_string will generate.
390 2006-06-28 Jason Merrill <jason@redhat.com>
393 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
394 may_aliases already in the tag's annotations to the bitmap.
396 2006-06-28 Roger Sayle <roger@eyesopen.com>
398 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
400 2006-06-28 Roger Sayle <roger@eyesopen.com>
402 * genpreds.c (generate_switch_p): New function.
403 (add_mode_tests): Push the new mode test down inside an AND expr
404 if this allows the switch-suitable MATCH_CODE to be near the root.
405 (write_match_code_switch): New function to write a MATCH_CODE as
407 (write_predicate_stmts): New function to write a predicate RTX
408 expression as a sequence of statements.
409 (write_one_predicate_function): Use write_predicate_stmts.
410 (write_tm_constrs_h): Likewise.
412 2006-06-26 Fred Fish <fnf@specifix.com>
414 * config/mips/t-sb1: New file.
415 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
418 2006-06-26 DJ Delorie <dj@redhat.com>
420 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
422 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
423 Jayant Sonar <jayants@kpitcummins.com>
424 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
426 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
427 (subsi3, subsi3_1, subsi3_2): New.
428 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
429 * config/m32c/mov.md (SI mov peephole): New.
430 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
431 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
433 2006-06-26 Olivier Hainque <hainque@adacore.com>
435 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
436 a CALL_EXPR target function declaration.
438 2006-06-26 Richard Guenther <rguenther@suse.de>
440 * tree.c (build_string): Do not waste tail padding in
443 2006-06-26 Richard Guenther <rguenther@suse.de>
445 * ggc-page.c (init_ggc): Add missing element to size_lookup
449 2006-06-23 Richard Guenther <rguenther@suse.de>
451 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
452 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
453 alignment requests instead. Add verification code.
454 Add struct tree_function_decl and struct tree_binfo size to
455 extra_order_size_table. Add missing element to size_lookup
458 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
461 * fold-const.c (const_binop): Be prepared for self returning zero.
462 Simplify code handling complex values.
464 2006-06-24 Olivier Hainque <hainque@adacore.com>
466 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
467 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
470 2006-06-24 Olivier Hainque <hainque@adacore.com>
472 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
473 ARRAY_REF, so have the callback called for the low bound expression.
475 2006-06-23 Janis Johnson <janis187@us.ibm.com>
477 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
478 * c-typeck.c (c_common_type): Disallow operations on decimal float
479 types and other float types.
480 * convert.c (convert_to_real): Don't ignore conversions involving
483 2006-06-23 Olivier Hainque <hainque@adacore.com>
485 * tree.c (max_int_size_in_bytes): New function, inspired from
486 code in function.c:assign_temp.
487 * tree.h (max_int_size_in_bytes): Declare.
488 * function.c (assign_temp): Use it.
489 * gimplify.c (create_tmp_var): Relax the assertions on the type
490 properties, not mandating constant size any more.
491 (force_constant_size): New static function.
492 (gimple_add_tmp_var): Use it, forcing variable size to a
493 constant upper bound if it is not constant on entry.
495 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
498 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
499 for initialization and setting of one_only flag to ...
500 (i386_pe_encode_section_info): ...here.
501 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
502 Recheck that the symbol has not been defined.
504 2006-06-23 Richard Guenther <rguenther@suse.de>
506 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
507 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
508 alignment requests instead. Add verification code.
509 Add struct tree_function_decl and struct tree_binfo size to
510 extra_order_size_table. Add missing element to size_lookup
513 2006-06-22 Roger Sayle <roger@eyesopen.com>
514 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
517 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
518 call to lang_hooks.types.type_for_mode returned NULL_TREE.
520 2006-06-23 Ben Elliston <bje@au.ibm.com>
522 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
523 negate dn -- manipulate it directly.
525 2006-06-22 Roger Sayle <roger@eyesopen.com>
526 Steven Bosscher <stevenb.gcc@gmail.com>
529 * reload1.c (gen_reload): Call mark_jump_label on the new insns
530 generated by gen_move_insn to add REG_LABEL notes if necessary.
532 2006-06-22 Bob Wilson <bob.wilson@acm.org>
534 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
535 (leaf_entry): Remove use of MIN_ESA.
537 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
539 PR rtl-optimization/28121
540 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
543 2006-06-21 DJ Delorie <dj@redhat.com>
545 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
547 (mulhisi3_r): Likewise.
549 2006-06-21 Richard Sandiford <richard@codesourcery.com>
552 * coverage.c (coverage_counter_alloc): Leave the index type
554 (coverage_counter_alloc): Use null arguments for operands 2 and 3
557 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
559 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
560 section from the "Options for Code Generation Conventions".
562 2006-06-21 Richard Henderson <rth@redhat.com>
566 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
568 (global_symbolic_operand): Allow weak symbols, even if local_p.
570 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
572 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
573 (find_interesting_uses_address): Punt if above function returns true.
575 2006-06-21 Richard Guenther <rguenther@suse.de>
577 * configure: Regenerated.
579 2006-06-21 Joseph Myers <joseph@codesourcery.com>
581 * config/mips/mips.c (function_arg): Where one part of a
582 complex argument is in registers and the other part in the stack,
583 return a REG not a PARALLEL.
585 2006-06-21 Mark Mitchell <mark@codesourcery.com>
587 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
588 when cross-compiling. Do not substitute libstdcxx_incdir.
589 * configure: Regenerated.
591 2006-06-21 Jakub Jelinek <jakub@redhat.com>
593 * varasm.c (mergeable_string_section): Check for embedded NULs and
594 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
595 rather than TREE_STRING_LENGTH bytes.
597 2006-06-21 Richard Guenther <rguenther@suse.de>
599 * ggc-page.c (extra_order_size_table): Add var_ann_d,
600 tree_ssa_name, bitmap_element and phi_node with 4 arguments
603 2006-06-21 Richrad Guenther <rguenther@suse.de>
605 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
606 Limit iteration over the dominators.
608 2006-06-20 Roger Sayle <roger@eyesopen.com>
610 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
611 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
613 2006-06-20 Richard Guenther <rguenther@suse.de>
614 Michael Matz <matz@suse.de>
616 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
618 * alloc-pool.c (free_alloc_pool_if_empty): New function.
619 * et-forest.h (et_free_pools): Prototype new function.
620 * et-forest.c (et_free_tree_force): Free parent occurrence.
621 (et_free_pools): New function.
622 * dominance.c (free_dominance_info): Free et-forest alloc
625 2006-06-20 Roger Sayle <roger@eyesopen.com>
627 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
628 integer modes, attempt to directly construct an integer constant.
630 * fold-const.c (native_encode_vector): Determine the size of each
631 element from the vector type instead of the first vector element.
633 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
634 if all of its elements/components are constant.
635 (build_constructor_from_list): Likewise.
637 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
639 PR tree-optimization/27331
640 * tree-data-ref.c (free_data_ref): New function.
641 (create_data_ref): Fail if the data reference has unknown access
643 (free_data_refs): Use free_data_ref.
645 2006-06-19 Andrew Pinski <pinskia@gmail.com>
648 * tree-inline.c (setup_one_parameter): Strip useless
649 type conversion before adding it to the IR.
650 (declare_return_variable): Likewise.
652 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
655 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
657 2006-06-19 Mike Stump <mrs@apple.com>
659 * tree.c (variably_modified_type_p): VM arguments don't make the
662 2006-06-19 Richard Guenther <rguenther@suse.de>
664 * tree-ssa-pre.c (try_combine_conversion): Strip useless
665 type conversions after folding.
667 2006-06-19 Richard Guenther <rguenther@suse.de>
669 * ggc-page.c (extra_order_size_tab): Add entries with
670 size of struct function and basic_block.
671 (size_lookup): Extend to cover sizes up to 511.
672 (ggc_alloc_stat): Adjust user.
673 (ggc_pch_count_object): Likewise.
674 (ggc_pch_alloc_object): Likewise.
675 (ggc_pch_write_object): Likewise.
677 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
679 * tree-ssa-loop-niter.c (implies_ge_p): New function.
680 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
683 2006-06-19 Denis Chertykov <denisc@overta.ru>
685 * config/avr/libgcc.S : Correct my wrong previous commit.
687 2006-06-19 Roger Sayle <roger@eyesopen.com>
690 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
691 have stripped a SUBREG from the shift count, so we may need to
692 convert_to_mode back to the type's mode before calling make_tree.
693 Use new_amount instead of amount to avoid expanding a tree twice.
695 2006-06-19 Richard Guenther <rguenther@suse.de>
698 * fold-const.c (operand_equal_p): Check if the argument types
699 have the same precision before stripping NOPs.
701 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
703 Fix PR tree-optimization/27341
704 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
706 * tree-complex.c (pass_lower_complex): Update SMT usage.
708 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
710 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
711 Add a new alternative to the constraint strings. Add move of
712 operand 1 to 3 to the splitter definition.
713 ("doloop_si_long"): Second contraint alternative removed.
715 2006-06-08 Anatoly Sokolov <aesok@post.ru>
717 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
718 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
720 (AVR_HAVE_MOVW) Define.
721 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
722 (ASM_SPEC): Add avr25.
723 (LINK_SPEC): Add avr25.
724 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
725 (base_arch_s): Add new member 'have_movw_lpmx'.
726 (avr_arch_types): Init 'have_movw_lpmx'.
727 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
728 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
729 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
730 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
731 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
733 (avr_file_start): Do not output '.arh' derective.
734 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
735 (__do_copy_data): Use __AVR_HAVE_LPMX__.
736 * config/avr/avr.md (mcu_enhanced): Delete.
737 (mcu_have_movw): Define.
738 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
739 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
740 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
741 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
742 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
743 attiny861 and at86rf401 devices.
745 2006-06-18 Jie Zhang <jie.zhang@analog.com>
747 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
750 2006-06-17 Karl Berry <karl@gnu.org>
752 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
753 doc/gccint.texi, doc/install.texi (@dircategory): Use
754 "Software development" instead of "Programming", following
755 the Free Software Directory.
757 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
759 * config/i386/i386.c (legitimate_tls_address)
760 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
761 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
762 (*tls_dynamic_gnu2_combine_64): Likewise.
764 2006-06-16 Richard Guenther <rguenther@suse.de>
767 * fold-const.c (negate_expr_p): Do not introduce undefined
768 overflow in negating INTEGER_CSTs.
769 (fold_negate_expr): Rename from negate_expr. Revert last
770 change for folding BIT_NOT_EXPR. Change semantics to
771 return NULL_TREE for non-simplified negations. Do not
772 strip type conversions and unify type handling.
773 (negate_expr): New function, wrap around fold_negate_expr
774 but ensure building a tree always. Strip type conversions
775 here, fold to result type.
776 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
778 2006-06-16 Roger Sayle <roger@eyesopen.com>
781 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
782 that (would) return their results in stack registers.
784 2006-06-16 Michael Matz <matz@suse.de>
785 Richard Guenther <rguenther@suse.de>
787 * fold-const.c (fold_truthop): Only return new tree node if
788 we canonicalized something.
790 2006-06-16 Richard Guenther <rguenther@suse.de>
792 * function.h (enum function_frequency): Move declaration
793 out of struct function.
794 (struct function): Move bool fields and the enum to the bitfield
795 section. Reorder elements to avoid padding. Remove unused
796 fields left over from the RTL inliner removal.
797 * function.c (free_after_compilation): Do not zero removed fields.
798 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
799 (ipa-type-escape.o): Likewise.
801 2006-06-16 Richard Guenther <rguenther@suse.de>
803 * cgraph.h (struct cgraph_local_info): Turn bool elements
805 (struct cgraph_node): Likewise.
806 (struct cgraph_varpool_node): Likewise.
808 2006-06-15 Richard Guenther <rguenther@suse.de>
810 * fold-const.c (fold_truth_not_expr): Rename from
811 invert_truthvalue. Give it fold_* semantics to avoid
813 (invert_truthvalue): New function. Wrapper around
815 (optimize_minmax_comparison): Avoid creating garbage.
816 (fold_unary): Use fold_truth_not_expr for folding
818 (fold_ternary): Replace uses of invert_truthvalue with
819 fold_truth_not_expr where applicable.
820 * tree.h (fold_truth_not_expr): Prototype.
822 2006-06-16 Richard Guenther <rguenther@suse.de>
824 PR tree-optimization/27781
825 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
826 * ipa-pure-const.c (target.h): Include.
827 (analyze_function): Do not analyze functions that do not
830 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
833 * tree-dfa.c (referenced_vars_dup_list): Remove.
834 (find_referenced_vars): Remove assert.
835 (referenced_var_check_and_insert): Replace dup list with assert.
836 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
837 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
839 2006-06-15 Richard Guenther <rguenther@suse.de>
841 * tree-ssa-structalias.c (alias_get_name): Avoid creating
842 extra unused identifiers if not dumping.
843 (create_variable_info_for): Likewise.
845 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
847 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
848 (derive_constant_upper_bound): Derive more precise upper bound in
849 common cases. Return type changed to double_int.
850 (record_estimate): Reflect the changed return type of
851 derive_constant_upper_bound.
852 * double-int.c (double_int_zext, double_int_sext): Fix.
854 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
856 * configure.ac (CFLAGS): Get them from the toplevel or from the
857 configure invocation.
858 * configure: Regenerate.
859 * Makefile.in (CFLAGS): Substitute value provided by configure.
861 2006-06-14 Mark Mitchell <mark@codesourcery.com>
864 * c-common.h (c_finish_omp_atomic): Adjust declaration.
865 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
866 rather than calling add_stmt on it.
867 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
869 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
872 * reload1.c (reload): Remove registers returned by update_eliminables
873 from used_spill_regs.
875 2006-06-13 DJ Delorie <dj@redhat.com>
877 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
879 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
881 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
882 html__strip_dir, html__mkdir_p. Enhance install-html target.
883 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
884 * configure: Regenerate.
886 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
888 * fold-const.c (fold_cond_expr_with_comparison): Check for
889 Objective-C++ as language in deciding COND_EXPR transformation.
891 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
894 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
895 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
896 * config/sh/lib1funcs.h (SL, SL1): Define.
897 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
898 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
899 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
900 (OBJS_Os_4_200): New variable.
901 ($(T)libgcc-Os-4-200.a): Use it.
902 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
903 when dividing 1 and/or by 0.
905 2006-06-13 Roger Sayle <roger@eyesopen.com>
907 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
908 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
909 * configure: Regenerate.
911 2006-06-13 Jie Zhang <jie.zhang@analog.com>
913 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
914 for real instruction.
916 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
919 * haifa-sched.c (check_cfg): Handle special case.
921 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
924 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
925 Add debug_info parameter. Chain the vars to the BLOCK instead
926 of the BIND_EXPR if debug info are requested for them.
927 (pop_gimplify_context): Adjust for above change.
928 (gimple_add_tmp_var): Likewise.
929 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
931 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
932 (convert_local_reference): Likewise.
933 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
934 (finalize_nesting_tree_1): Request that debug info be emitted
937 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
939 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
942 2006-06-13 Richard Guenther <rguenther@suse.de>
945 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
947 2006-06-13 Richard Guenther <rguenther@suse.de>
949 PR tree-optimization/27830
950 * tree-inline.c (copy_body_r): For copying the operand
951 of an ADDR_EXPR make sure to fold &* afterwards.
953 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
955 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
956 lvalues in the fb_none case with side-effects.
958 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
960 * tree-flow.h: Remove the prototype for
961 compute_phi_arg_on_exit.
962 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
963 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
966 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
968 * builtins.c (expand_builtin_return_addr): Only use
969 frame_pointer_rtx when count == 0 and we are expanding
970 __builtin_return_address.
972 2006-06-12 Fred Fish <fnf@specifix.com>
974 * config/mips/mips.c (mips_file_start): Create special section
975 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
977 2006-06-11 Eric Christopher <echristo@apple.com>
980 * stor-layout.c (place_field): Remove check for
981 remaining_in_alignment when aligning at the end of a run.
983 2006-06-11 Eric Christopher <echristo@apple.com>
986 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
989 2006-06-11 Roger Sayle <roger@eyesopen.com>
992 Revert incorrect fix for PR target/27158
993 2006-05-08 Roger Sayle <roger@eyesopen.com>
994 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
995 of a reg_equiv_constant if the result is a legitimate constant.
997 2006-06-11 Roger Sayle <roger@eyesopen.com>
1000 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1001 extract a CONST_VECTOR element and interpret it as an integer.
1002 (vspltis_constant): Use const_vector_elt_as_int instead of the
1003 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1004 * config/rs6000/predicates.md (easy_vector_const): Consider
1005 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1007 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1010 * stor-layout.c (update_alignment_for_field): Don't add extra
1011 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1014 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1016 * config/mips/t-rtems: Add EL/EB multilib variants.
1018 2006-06-09 Mike Stump <mrs@apple.com>
1020 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1022 2006-06-09 David Daney <ddaney@avtrex.com>
1024 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1026 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1028 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1030 2006-06-09 Richard Guenther <rguenther@suse.de>
1032 PR tree-optimization/26998
1033 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1034 of signed types, only TYPE_MIN_VALUE is special, but for both,
1035 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1036 in this case, as is -fwrapv.
1038 2006-06-08 Mike Stump <mrs@apple.com>
1041 * config/darwin.c (darwin_asm_output_anchor): Disable
1042 -fsection-anchors on darwin for now.
1043 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1044 * rs6000/rs6000.c (optimization_options): Likewise.
1046 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1049 * config/i386/i386.c (classify_argument): Skip fields with invalid
1052 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1054 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1055 (cse_insn): Likewise for the stack_pointer_rtx.
1057 2006-06-08 Roger Sayle <roger@eyesopen.com>
1059 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1060 conditions from floating point comparisons.
1062 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1065 * expmed.c (struct alg_hash_entry): Fix type of field T
1066 to match synth_mult argument.
1067 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1069 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1072 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1075 2006-06-08 Richard Guenther <rguenther@suse.de>
1078 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1079 only, if overflow is defined and not trapping.
1080 (negate_expr): Likewise.
1082 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1084 PR tree-optimization/27872
1085 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1086 flag on the new exit edge of the unrolled loop.
1088 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1090 PR rtl-optimization/26449
1091 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1093 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1096 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1097 referenced_variables with matching DECL_UID's.
1098 (find_referenced_vars): Make sure duplicate list is empty to start.
1099 (referenced_var_p): Remove.
1100 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1101 Check if var is in the list, and add if needed. Update the duplicate
1102 list if a different var is in the list with the same DECL_UID.
1103 (add_referenced_var): Call routine to check and insert.
1104 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1105 * tree-flow.h (referenced_vars_dup_list): External declaration.
1107 2006-06-07 Fred Fish <fnf@specifix.com>
1109 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1112 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1115 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1116 the imaginary and real parts of a clobbered register.
1117 Emit insn to set the imaginary part.
1119 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1121 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1122 in lieu of unwind-dw2-fde.c.
1124 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1126 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1128 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1131 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1132 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1133 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1134 V4SImode temporaries and operations instead.
1136 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1138 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1141 2006-06-06 Mike Stump <mrs@apple.com>
1143 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1144 installing during build.
1146 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1148 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1150 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1151 * config/ia64/ia64.c (params.h): New header.
1152 (ia64_optimization_options): New function to adjust parameters.
1153 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1154 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1155 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1157 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1159 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1161 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1164 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1166 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1167 Victor Kaplansky <victork@il.ibm.com>
1169 PR tree-optimization/26360
1170 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1173 2006-06-04 Roger Sayle <roger@eyesopen.com>
1174 Andrew Pinski <pinskia@physics.uc.edu>
1177 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1178 for LABEL_DECL before calling DECL_WEAK.
1181 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1182 LABEL_DECL and PARM_DECL.
1184 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1188 * c-decl.c (grokdeclarator): Disallow variably modified types at
1189 file scope. Avoid marking shared array type of constant size as
1192 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1195 * c-common.c (fold_offsetof_1): Handle static members.
1197 2006-06-04 Eric Christopher <echristo@apple.com>
1199 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1200 (debug_rli): Output value for remaining_in_alignment.
1201 (update_alignment_for_field): Unconditionalize
1202 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1203 extra alignment code.
1204 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1205 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1206 * tree.h (record_layout_info_s): Remove prev_packed.
1207 * doc/extend.texi (ms_struct): Add documentation of format.
1209 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1211 * tree.h: Declare folding_initializer.
1212 * builtins.c (fold_builtin_constant_p): Give definite answer
1213 if folding inside an initializer.
1214 * fold-const.c: Define folding_initializer.
1215 (START_FOLD_INIT): Save and then set folding_initializer.
1216 (END_FOLD_INIT): Restore folding_initializer.
1218 2006-06-04 Richard Guenther <rguenther@suse.de>
1220 PR tree-optimization/27039
1221 * fold-const.c (fold_comparison): Handle pointer comparison
1222 again for all comparison codes. Compare offsets in signed
1224 (fold_binary): Move code from here.
1226 2006-06-03 Roger Sayle <roger@eyesopen.com>
1229 * config/i386/i386.c (construct_container): Split static issued_error
1230 flag into issued_sse_arg_error, issued_sse_ret_error and
1231 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1232 requires the use of x87 registers and the user explicitly
1233 specified the -mno-80387 command line option.
1235 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1237 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1238 HAVE_DECL_SIGALTSTACK.
1240 (segv_handler): Use MC_FLD.
1241 * configure.ac: Check for a sigaltstack declaration.
1242 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1243 * configure: Regenerate.
1244 * config.in: Regenerate.
1246 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1249 * Makefile.in (stmp-fixinc): Fix typo.
1251 2006-06-02 Roger Sayle <roger@eyesopen.com>
1253 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1254 are type correct. Clean-up.
1255 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1256 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1258 2006-06-01 DJ Delorie <dj@redhat.com>
1260 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1261 shift, as we've disabled the "switch" insn that needs it.
1263 2006-06-01 Per Bothner <bothner@bothner.com>
1265 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1266 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1267 * c-ppoutput.c (cb_define): Don't increment line 0.
1269 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1271 * doc/invoke.texi: Add cpu_type power6.
1272 * config.gcc: Add cpu_type power6.
1273 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1274 to power5+ with Altivec.
1275 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1276 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1278 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1280 * config/avr/avr.h (SET_ASM_OP): Define.
1282 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1284 * config/bfin/bfin.c: Fix comment typos.
1286 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1289 * doc/install.texi: Document --enable-bootstrap and
1290 --disable-bootstrap.
1292 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1294 * doc/install.texi: Document that InfoZIP can replace jar.
1296 2006-05-31 Roger Sayle <roger@eyesopen.com>
1298 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1299 isn't available, directly generate the simpler x87 patterns without
1300 the (use (const_int 0)).
1301 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1302 implementation isn't available.
1303 (*negdf2_1): Likewise.
1304 (*negxf2_1): XF mode negation is always done using the x87.
1305 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1307 2006-05-31 Roger Sayle <roger@eyesopen.com>
1309 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1310 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1312 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1314 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1316 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1317 * config/bfin/bfin.c (basic-block.h): Include.
1318 (struct machine_function): New.
1319 (bfin_init_machine_status): New.
1320 (override_options): Initialize init_machine_status.
1321 (bfin_hardware_loop): New.
1322 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1323 (DEF_VEC_P (loop_info)): New.
1324 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1325 (struct loop_info): New.
1326 (loop_info): New typedef.
1327 (struct loop_work): New.
1328 (loop_work): New typedef.
1329 (DEF_VEC_O (loop_work)): New.
1330 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1331 (bfin_dump_loops): New.
1332 (bfin_bb_in_loop): New.
1333 (bfin_scan_loop): New.
1334 (bfin_optimize_loop): New.
1335 (bfin_reorg_loops): New.
1336 (bfin_reorg): Use bfin_reorg_loops.
1337 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1339 (I_REGNO_P): Simplify.
1340 (DP_REGNO_P, DPREG_P): New macros.
1341 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1342 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1343 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1344 Add LT_REGS, LC_REGS, LB_REGS.
1345 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1347 (REGNO_REG_CLASS): Deal with loop registers.
1348 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1350 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1351 New constants for loop registers.
1352 (UNSPEC_LSETUP_END): New.
1353 (seq_insns): New define_attr. Set it for appropriate insns.
1354 (movsi_insn): Add alternatives for move from/to
1355 loop count registers.
1356 (doloop_end): New define_expand.
1357 (loop_end): New define_insn.
1358 (define_split for bad doloop_end): New.
1359 (lsetup_with_autoinit): New define_insn.
1360 (lsetup_without_autoinit): New define_insn.
1361 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1362 * config/bfin/predicates.md (lc_register_operand): New.
1363 (lt_register_operand): New.
1364 (lb_register_operand): New.
1365 (nondp_register_operand): New.
1366 (nondp_reg_or_memory_operand): New.
1367 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1369 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1371 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1372 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1374 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1376 * Makefile.in (CATALOGS): Add po/ prefix.
1377 * configure: Regenerated.
1379 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1382 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1383 a shift operand before calling shift_op. Avoid redundant call of
1386 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1387 DJ Delorie <dj@redhat.com>
1389 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1390 we're inserting is a singlt-bit constant.
1392 2006-05-30 Roger Sayle <roger@eyesopen.com>
1394 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1395 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1397 2006-05-30 Roger Sayle <roger@eyesopen.com>
1399 PR tree-optimization/23452
1400 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1401 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1402 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1403 complex values and with -ffast-math for FP complex values.
1405 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1407 * c-common.h: Remove the prototype for yyparse.
1408 * rtl.h: Remove the prototype for init_loop.
1410 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1412 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1415 2006-05-30 Roger Sayle <roger@eyesopen.com>
1417 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1419 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1420 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1422 2006-05-30 Dirk Mueller <dmueller@suse.de>
1425 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1426 for CONSTANT_CLASS_P expresisons.
1428 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1431 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1433 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1435 PR tree-optimization/27779
1436 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1437 initial_condition instead of CHREC_LEFT.
1439 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1441 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1442 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1443 Make prototypes ISO C90.
1445 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1446 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1448 * see.c (see_analyze_one_def): Correct check.
1449 (see_get_extension_data): Check if extension is parallel.
1450 (see_get_extension_reg): Likewise.
1452 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1455 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1456 into register for (code == GTU).
1458 2006-05-29 Roger Sayle <roger@eyesopen.com>
1460 PR tree-optimization/24964
1461 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1462 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1463 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1464 abs(x)*abs(x) as x*x for scalar floating point modes.
1466 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1469 * lambda-code.c (perfect_nestify): Don't copy statements
1470 in the inner loop: move them to the inner loop header.
1472 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1475 * c-tree.texi: Document OpenMP directives and clauses.
1477 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1479 * varasm.c (globalize_decl): Fix indentation.
1481 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1484 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1485 pass_fre, pass_store_ccp, pass_copy_prop,
1486 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1487 pass_return_slot, pass_object_size, pass_lim,
1488 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1489 pass_loop_prefetch and pass_stdarg.
1491 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1493 * config/bfin/bfin.opt (mfdpic): New option.
1494 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1495 (EXTRA_MULTILIB_PARTS): Likewise.
1496 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1497 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1499 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1500 (CRT_CALL_STATIC_FUNCTION): New.
1501 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1503 (CRT_CALL_STATIC_FUNCTION): New.
1504 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1506 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1507 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1508 (initialize_trampoline): Changed to handle FD-PIC code generation.
1509 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1510 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1511 (override_options): Disallow -mid-shared-library -mfdpic combination.
1512 Can't do unaligned ops if FD-PIC.
1513 Turn off flag_pic if trying to generate non-id-shared-library
1514 non-fdpic code, since it's not supported.
1515 (bfin_assemble_integer): New function.
1516 (TARGET_ASM_INTEGER): Define.
1517 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1519 * config/bfin/crtn.s: Restore them.
1520 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1522 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1523 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1524 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1525 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1526 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1528 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1529 FDPIC_REGS and FDPIC_FPTR_REGS.
1530 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1531 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1532 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1533 (load_funcdescsi): New pattern.
1534 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1535 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1536 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1538 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1540 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1543 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1545 * tree-flow.h: Remove the prototype for add_type_alias.
1546 * tree-ssa-alias.c (add_type_alias): Remove.
1548 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1550 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1551 config/fr30/fr30.md, config/i386/i386-interix.h,
1552 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1553 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1554 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1555 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1556 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1557 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1558 Follow spelling conventions.
1559 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1560 Follow spelling conventions.
1562 2006-05-27 Richard Guenther <rguenther@suse.de>
1565 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1566 to produce a constant of value 1 of generic type.
1568 2006-05-27 Dirk Mueller <dmueller@suse.de>
1570 * cgraphunit.c (decide_is_function_needed): Fix wrong
1573 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1575 PR rtl-optimization/27661
1576 * reload.c (find_reloads): When reloading a VOIDmode constant
1577 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1578 use Pmode as mode of the reload register.
1580 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1582 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1583 is enabled at -O and above.
1585 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1588 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1591 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1594 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1595 for anonymous variables explicitly declared by front ends.
1597 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1599 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1600 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1601 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1602 ref-all pointers, run a finalization pass for them.
1603 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1604 (finalize_ref_all_pointers): New function.
1605 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1606 regular pointer type to a ref-all pointer type.
1607 (get_tmt_for): Return the special memory tag for ref-all pointers.
1609 2006-05-25 Richard Guenther <rguenther@suse.de>
1612 * fold-const.c (fold_binary): Do not look at the stripped
1613 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1615 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1617 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1618 for LT and GT if the computed range is effectively empty.
1620 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1623 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1624 mips_quad_format formats instead of ieee_single_format,
1625 ieee_double_format and ieee_quad_format formats, respectively.
1627 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1629 PR tree-optimization/27639
1630 PR tree-optimization/26719
1631 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1632 call to scev_probably_wraps_p.
1633 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1634 used_in_pointer_arithmetic_p, convert_step): Removed.
1635 (nowrap_type_p): New function.
1636 (scev_probably_wraps_p): Rewritten.
1637 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1638 chrec_convert if chrec_convert_aggressive might have been used.
1639 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1640 scev_direction): New functions.
1641 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1642 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1643 instead of convert_step.
1644 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1645 (convert_step): Declaration removed.
1646 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1648 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1650 * df-core.c: Added to header comments.
1651 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1652 df_ur_bb_info, df_urec_bb_info): Added comments.
1653 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1654 urec, ri problems): Fixed header comments.
1655 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1656 code from df_rd_transfer_function.
1658 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1660 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1661 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1662 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1664 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1666 * expr.c (undefined_operand_subword_p): New.
1667 (emit_move_multi_word): Do not generate move from undefined bits
1668 of a paradoxical subreg.
1670 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1672 PR rtl-optimization/27736
1673 * combine.c (replaced_rhs_value): New variable.
1674 (combine_instructions): Set it.
1675 (distribute_notes): When distributing a note in replaced_rhs_insn,
1676 check whether the value was used in replaced_rhs_value.
1678 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1681 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1682 add_referenced_var instead of add_referenced_tmp_var.
1683 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1684 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1686 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1687 tree_optimize_tail_calls_1): Use add_referenced_var.
1688 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1689 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1690 Use add_referenced_var.
1691 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1692 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1693 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1694 Use add_referenced_var.
1695 * tree-dfa.c (struct walk_state): Remove.
1696 (find_referenced_vars): Remove walk state and vars_found hash table.
1697 (make_rename_temp): Use add_referenced_var.
1698 (find_vars_r): Pass less parameters to add_referenced_var.
1699 (referenced_var_p): New. Is var in referenced_var hash table.
1700 (referenced_var_insert): Assert var isn't already in hash table.
1701 (add_referenced_var): Don't need walk_state parameter. Add var if it
1702 isn't already in the hash table.
1703 (add_referenced_tmp_var): Remove.
1704 (find_new_referenced_vars_1): Use add_referenced_var.
1705 * tree-ssa-pre.c (create_expression_by_pieces,
1706 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1707 Use add_referenced_var.
1708 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1709 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1710 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1712 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1713 vect_create_data_ref_ptr, vect_create_destination_var,
1714 vect_init_vector, vect_build_loop_niters,
1715 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1716 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1717 Use add_referenced_var.
1718 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1719 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1720 (add_referenced_var): Add prototype.
1721 * tree-ssa-structalias.c (get_constraint_for,
1722 intra_create_variable_infos): Use add_referenced_var.
1724 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1726 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1727 big-endian paradoxical subregs.
1728 * var-tracking.c (struct micro_operation_def): Document that,
1729 for modify micro operations, insn is the subsequent instruction.
1730 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1731 (var_reg_set, var_mem_set): ... new functions.
1732 (add_stores): Record subsequent insn.
1733 (compute_bb_dataflow): Use new functions for MO_USE.
1734 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1735 notes after the insn, and modify notes before the insn known
1736 to be the subsequent one.
1737 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1739 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1742 * config/i386/i386.c (ix86_expand_builtin): Use
1743 gen_sse3_monitor64 for TARGET_64BIT.
1745 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1747 PR rtl-optimization/26375
1748 PR rtl-optimization/26855
1749 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1751 (df_ru_bb_local_compute): Reversed statements and removed bogus
1752 comment explaining why they should be in wrong order.
1753 (df_ru_dump, df_rd_dump): Enhanced debug info.
1754 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1756 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1757 reaching uses and fixed space problem.
1759 2006-05-23 Jan Hubicka <jh@suse.cz>
1761 * cgraphunit.c (decide_is_function_needed): Also nested functions
1762 and functions declared inline can be optimized out at -O0.
1764 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1766 * doc/install.texi (Configuration): Remove reference to CrossGCC
1770 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1773 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1774 ix86_compare_emitted is non-NULL.
1776 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1779 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1782 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1784 PR rtl-optimization/25514
1785 * combine.c (replaced_rhs_insn): New variable.
1786 (combine_instructions): Set replaced_rhs_insn when trying to replace
1787 a SET_SRC with a REG_EQUAL note.
1788 (distribute_notes): Use replaced_rhs_insn when determining the live
1789 range of a REG_DEAD register.
1791 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1792 Anatoly Sokolov <aesok@post.ru>
1794 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1795 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1796 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1797 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1798 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1799 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1800 at90usb647, at90usb1286 and at90usb1287 devices.
1801 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1802 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1804 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1806 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1808 2006-05-22 Richard Guenther <rguenther@suse.de>
1811 2006-01-31 Richard Guenther <rguenther@suse.de>
1812 Paolo Bonzini <bonzini@gnu.org>
1814 * doc/install.texi (--disable-libgcc-math): Document.
1816 2006-05-22 Richard Guenther <rguenther@suse.de>
1819 2006-01-31 Richard Guenther <rguenther@suse.de>
1821 * doc/invoke.texi (-msselibm): Document.
1822 * target.h (expand_library_builtin): New target hook.
1823 * builtins.c (expand_builtin): Use expand_library_builtin.
1824 (default_expand_library_builtin): New function.
1825 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1826 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1827 (link_gcc_math_spec): Declare.
1828 (static_specs): Add link_gcc_math_spec.
1829 * expr.h (default_expand_library_builtin): Declare.
1830 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1831 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1832 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1833 * config/i386/i386.opt (msselibm): New target option.
1834 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1835 (ix86_init_sse_abi_builtins): New function.
1836 (ix86_expand_library_builtin): Likewise.
1837 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1838 (override_options): Handle error conditions wrt -msselibm.
1839 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1840 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1841 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1844 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1847 * c-common.c (self_promoting_args_p): Skip erroneous args.
1850 * c-decl.c (finish_struct): Skip erroneous fields.
1852 2006-05-22 Nick Clifton <nickc@redhat.com>
1854 * config/cris/cris.opt (march): Remove VarExists attribute.
1855 (max-stackframe=): Likewise.
1857 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1859 * doc/rtl.texi: Fix a typo.
1860 * see.c: Fix comment typos.
1862 * tree-ssa-structalias.h (alias_info): Remove num_references.
1864 2006-05-21 Mike Stump <mrs@apple.com>
1866 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1868 (darwin_pragma_options): Use BAD instead.
1869 (darwin_pragma_unused): Likewise.
1870 (darwin_pragma_ms_struct): Likewise.
1872 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1874 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1876 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1878 PR rtl-optimization/27671
1879 * simplify-rtx.c (simplify_relational_operation_1): Fix
1880 simplifications of (eq/ne (xor x y) y) and
1881 (eq/ne (xor x y) x).
1883 PR tree-optimization/26622.
1884 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1887 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1889 * tree-cfg.c: Prune whitespace.
1890 (debug_tree_cfg): Point to correct header containing the
1893 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1896 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1898 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1901 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1902 or sorry count is non zero.
1904 2006-05-20 Andreas Schwab <schwab@suse.de>
1906 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1908 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1909 Kenneth Zadeck <zadeck@naturalbridge.com>
1911 PR rtl-optimization/26855
1913 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1915 (df_scan_alloc): Added code to properly handle multiword hard
1916 registers and add all_blocks parameter.
1917 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1918 code to properly handle multiword hard registers.
1919 (df_rescan_blocks): Added code to remove deleted blocks from
1921 (df_ref_create_structure, df_ref_record): Added code to properly
1923 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1924 and set DF_REF_PARTIAL.
1925 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1926 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1927 (df_scan_add_problem): Added flags parameter.
1928 (df_ref_create_structure): Changed switching structure.
1929 (df_bb_refs_record): Fixed case where duplicate artificial refs
1930 were created. Changed location of flags.
1931 (df_record_entry_block_defs): Added code to make stack pointer
1932 live in entry block. Refined cases where frame pointer is needed.
1933 Changed location of flags.
1934 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1935 (df_set_state): Removed function.
1936 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1937 df_insn_create_insn_record, df_insn_refs_delete,
1938 df_ref_create_structure): Formatting changes.
1939 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1940 df_delete_basic_block): New function.
1941 (df_init): Changed location of flags.
1942 (df_add_problem): Added flags parameter and the way flags are
1944 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1945 debug_df_chain): Improved debugging output.
1946 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1947 (df_refs_chain_dump): Removed df parameter.
1948 (df_iterative_dataflow): Added consistency check.
1949 (df_prune_to_subcfg): Made public.
1950 (df_analyze_problem): Added blocks_to_init parameter and made
1952 (df_ref_record, df_bb_refs_record, df_mark_reg,
1953 df_record_exit_block_uses): Whitespace changes.
1954 (df_dump): Whitespace changes.
1955 * df.h: Some reordering to remove forward references.
1956 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1957 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1958 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1959 (dataflow.flags): New field.
1960 (df.flag): Deleted field.
1961 (df_alloc_function): Added additional bitmap parameter.
1962 (df_dependent_problem_function): New type.
1963 (df_problem.changeable_flags): New field.
1964 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1965 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1966 (df_mw_hardreg): New struct.
1967 (DF_INSN_UID_MWS): New macro.
1968 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1970 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1971 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1972 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1973 (df_set_state): Removed function.
1974 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1975 * df-problems.c (df_chain_dump): Removed df parameter.
1976 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1977 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1979 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1980 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1981 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1982 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1983 DF_REF_MUST_CLOBBER cases.
1984 (df_ru_bb_local_compute_process_def,
1985 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1986 df_lr_bb_local_compute, df_ur_bb_local_compute,
1987 df_chain_create_bb): Made subreg aware.
1988 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1989 df_lr_bb_local_compute, df_lr_bb_local_compute,
1990 df_chain_create_bb): Cleanup to use proper macros.
1991 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1992 code to fixup bitvectors.
1993 (df_ri_alloc): Cleared lifetime.
1994 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1995 df_create_unused_note): New function.
1996 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1997 REG_DEAD and REG_UNUSED notes as well as register information.
1998 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1999 df_chains_dump): Fixed crash if problem was never run.
2000 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2001 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2002 df_ri_add_problem): Processes flags in uniform manner.
2003 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2004 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2005 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2006 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2007 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2008 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2009 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2010 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2011 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2012 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2013 * see.c (see_initialize_data): Ditto.
2014 * final.c (rest_of_clean_state) Added regstack_completed.
2015 * rtl.h (regstack_completed): Ditto.
2016 * reg-stack.c (regstack_completed): Ditto.
2018 2006-05-19 Mike Stump <mrs@apple.com>
2020 * c-tree.h (default_conversion): Remove.
2021 * c-common.h (default_conversion): Add.
2023 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2025 * tree-vrp.c (valid_value_p): New function.
2026 (adjust_range_with_scev): Fail if the value of bound is not
2029 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2031 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2032 (mips_fallback_frame_state): Use syscall numbers to determine
2033 the appropriate li instruction for the current ABI. Only use
2034 __NR_sigreturn for o32.
2036 2006-05-19 Nicolas Setton <setton@adacore.com>
2038 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2039 * langhooks.c (lhd_dwarf_name): New function.
2040 * langhooks-def.h (lhd_dwarf_name): Declare.
2041 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2042 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2043 * ada/misc.c (gnat_dwarf_name): New function.
2044 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2046 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2048 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2050 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2051 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2052 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2053 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2054 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2055 determine the size of Wtype, etc.
2056 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2057 (swfloatfuncs): New variable.
2058 (dwfloatfuncs): Likewise.
2059 (lib2funcs): Remove floating-point conversion functions from
2060 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2061 the set of conversion routines needed. Allow entries to specify
2062 an object name, filename and word size. Update users accordingly.
2063 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2064 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2068 2006-02-08 Roger Sayle <roger@eyesopen.com>
2071 * config/fixtfdi.c: New libgcc source file.
2072 * config/fixunstfdi.c: New source file.
2073 * config/floatditf.c: New source file.
2074 * config/floatunditf.c: New souce file.
2075 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2076 files above instead of config/mips/_tilib.c.
2077 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2079 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2081 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2082 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2084 2006-05-18 Mike Stump <mrs@apple.com>
2086 Fix up vla, vm and [*] sematics.
2092 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2093 (c_vla_unspec_p): Add.
2094 (c_vla_type_p): Add.
2095 * c-decl.c (struct c_scope): Add had_vla_unspec.
2096 (build_array_declarator): Add support for [*].
2097 (grokdeclarator): Likewise.
2098 (grokparms): Likewise.
2099 (get_parm_info): Likewise.
2100 * c-objc-common.c (c_vla_unspec_p): Likewise.
2101 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2102 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2103 typeof when argument is a variably modified type not inside sizeof or alignof.
2104 (c_parser_direct_declarator_inner): Propagate errors.
2105 (c_parser_sizeof_expression): Add support for [*].
2106 (c_parser_parms_declarator): Initialize had_vla_unspec.
2107 (c_parser_parms_list_declarator): Likewise.
2108 * c-typeck.c (c_vla_type_p): Add.
2109 (composite_type): Add support for vla compositing.
2110 (comptypes_internal): Add support for vla compatibility.
2111 (c_expr_sizeof_expr): Evaluate vla arguments.
2112 * tree.c (variably_modified_type_p): Update comment for [*].
2114 2006-05-18 Michael Matz <matz@suse.de>
2117 * config.host: Make assignments to host_xmake_file cumulative.
2118 * config.host (*-darwin*): Test $host, not $target.
2120 2006-05-12 Stuart Hastings <stuart@apple.com>
2122 * config/i386/i386.opt (-mstackrealign): New flag.
2123 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2124 (ix86_handle_cconv_attribute): Emit error when
2125 force_align_arg_pointer attribute collides with too many regparms.
2126 (ix86_function_regparm): Limit regparms when used with
2127 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2128 Support stack-realigning prologue in non-main functions. Emit
2129 warning for nested functions under -mstackrealign, emit error for
2130 nested functions with force_align_arg_pointer attribute.
2131 * doc/extend.texi (force_align_arg_pointer): Document it.
2132 * doc/invoke.texi (-mstackrealign): Document it.
2134 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2136 PR rtl-optimization/27477
2137 * combine.c (try_combine): Don't split a parallel consisting
2138 of two sets into two individual sets if both sets reference
2141 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2143 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2144 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2146 * doc/options.texi (VarExists): Updated.
2148 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2150 * unwind-dw2.c: Add declarations for uw_update_context and
2152 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2153 detected, advance frame state and context once to skip over stub.
2155 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2159 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2160 Call rewrite_into_loop_closed_ssa only when something changed.
2161 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2162 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2163 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2164 Test for perfect_nest_p here. Fix formating.
2165 (replace_uses_equiv_to_x_with_y): Fix formating.
2166 (stmt_uses_op): Removed.
2167 (can_convert_to_perfect_nest): Removed loopivs parameter.
2168 Complete the test by checking the scalar dependences.
2169 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2172 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2175 From Dan Kegel <dank@kegel.com>:
2176 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2178 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2180 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2181 if the element type is variably modified without recursing.
2183 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2186 * tree-loop-linear.c (try_interchange_loops): Test for
2187 no data dependences.
2189 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2191 PR tree-optimization/27548
2192 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2193 range of ssa names that appear on abnormal edges.
2194 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2195 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2197 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2200 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2202 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2205 * tree.h (OMP_PARALLEL_COMBINED): Define.
2206 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2207 (new_omp_context): Add is_combined_parallel argument.
2208 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2209 new_omp_context caller.
2210 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2211 Adjust gimplify_scan_omp_clauses callers.
2212 (omp_is_private): Issue errors if iteration variable is firstprivate
2213 or reduction in the current context.
2214 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2215 on combined parallel workshare constructs.
2217 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2219 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2220 (gcc-options.o): New rule.
2222 * optc-gen.awk: Protect variables for gcc-options.o with
2223 #ifdef GCC_DRIVER/#endif.
2225 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2227 Fix PR tree-optimization/27373
2228 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2229 (forward_propagate_addr_expr): Update call.
2231 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2233 * doc/options.texi: Move the Negative option.
2235 2006-05-16 Richard Guenther <rguenther@suse.de>
2237 PR tree-optimization/22303
2238 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2240 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2241 ccp_fold did not simplify the statement.
2243 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2246 * Makefile.in (GCC_OBJS): New.
2247 (OBJS-common): Add opts-common.o.
2248 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2249 (cpp$(exeext)): Likewise.
2250 (gcc.o): Also depend on opts.h.
2251 (opts-common.o): New.
2253 * common.opt (gcoff): Add Negative(gdwarf-2).
2254 (gdwarf-2): Add Negative(gstabs).
2255 (gstabs): Add Negative(gstabs+).
2256 (gstabs+): Add Negative(gvms).
2257 (gvms): Add Negative(gxcoff).
2258 (gxcoff): Add Negative(gxcoff+).
2259 (gxcoff+): Add Negative(gcoff).
2260 * config/i386/i386.opt (m32): Add Negative(m64).
2261 (m64): Add Negative(m32).
2263 * doc/options.texi: Document the Negative option.
2265 * gcc.c: Include "opts.h".
2266 (main): Call prune_options after expandargv.
2268 * optc-gen.awk: Generate common declarations for all flag
2269 variables in options.c. Output the neg_index field.
2271 * opts.c (find_opt): Moved to ...
2272 * opts-common.c: Here. New file.
2274 * opts.h (cl_option): Add a neg_index field.
2276 (prune_options): Likewise.
2278 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2281 * omp-low.c (expand_omp_parallel): Don't assert
2282 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2283 instead search for it.
2286 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2289 2006-05-16 Andreas Schwab <schwab@suse.de>
2291 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2294 2006-05-15 Roger Sayle <roger@eyesopen.com>
2297 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2298 integer constants other than zero are only legitimate on TARGET_64BIT.
2299 <CONST_VECTOR> Only zero vectors are legitimate.
2300 (ix86_cannot_force_const_mem): Integral and vector constants can
2301 always be put in the constant pool.
2303 2006-05-16 DJ Delorie <dj@redhat.com>
2305 * crtstuff.c (__dso_handle): Set section from
2306 TARGET_LBIGCC_SDATA_SECTION if defined.
2307 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2308 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2310 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2313 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2316 2006-05-16 Ben Elliston <bje@au.ibm.com>
2318 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2320 2006-05-15 Per Bothner <per@bothner.com>
2322 * tree.c: (last_annotated_node): Use source_locus typedef.
2323 This permits bootstrapping with --enable-mapped-location.
2325 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2327 PR tree-optimization/26830
2328 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2329 (info_for_ssa_name, current_info_for_ssa_name_age,
2330 blocks_to_update): New variables.
2331 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2332 (clear_ssa_name_info, initialize_flags_in_bb,
2333 mark_block_for_update): New functions.
2334 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2335 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2336 prepare_def_site_for): Use mark_block_for_update.
2337 (mark_def_interesting): Assert that the processed block is marked in
2338 blocks_to_update. Do not take blocks argument.
2339 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2341 (rewrite_update_init_block, rewrite_update_stmt): Only process
2342 blocks with statements to rewrite.
2343 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2344 (update_ssa): Initialize and free blocks_to_update. Do not
2345 clear flags on statements. Do not use blocks bitmap.
2346 * tree.h (SSA_NAME_AUX): Removed.
2347 (struct tree_ssa_name): Removed aux field.
2348 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2350 2006-05-15 Richard Guenther <rguenther@suse.de>
2352 PR tree-optimization/27603
2353 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2354 Do computations in original type.
2356 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2358 * see.c: Code style changes such as redundant paranthesis,
2359 redundant intialization of local variables etc.
2360 (see_main): Declared now as static.
2361 * doc/invoke.texi: Update that -fsee is not enabled by
2364 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2366 * omp-low.c (check_omp_nesting_restrictions): New function.
2367 (scan_omp_1): Call it.
2370 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2371 construct, return *VAR.
2373 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2375 PR rtl-optimization/27406
2376 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2379 2006-05-14 Roger Sayle <roger@eyesopen.com>
2381 PR rtl-optimization/27538
2382 * combine.c (expand_compound_operation): Call gen_lowpart
2383 before calling simplify_shift_const.
2385 2006-05-14 Roger Sayle <roger@eyesopen.com>
2387 PR rtl-optimization/22563
2388 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2389 a fixed width bitfield, always force the intermediates into psuedos.
2391 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2394 * mkconfig.sh: Use operator = instead of == for test.
2396 2006-05-13 Nick Clifton <nickc@redhat.com>
2398 * dwarf2out.c (dbx_reg_number): Check return value from
2399 LEAF_REG_REMAP and only use it if it is valid.
2400 (multiple_reg_loc_descriptor): Likewise.
2402 2006-05-13 Richard Guenther <rguenther@suse.de>
2404 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2407 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2409 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2410 information attached to non-INSNs such as NOTEs.
2411 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2413 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2415 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2417 * config/s390/s390.md: Adjust comment describing On constraint.
2419 2006-05-11 Jan Hubicka <jh@suse.cz>
2421 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2422 to be output at -O0.
2424 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2427 * fold-const.c (size_binop): Move sanity check for arguments to
2428 the beginning of the function.
2431 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2434 2006-05-11 Richard Guenther <rguenther@suse.de>
2437 * fold-const.c (fold_unary): Handle intermediate conversion
2438 to a pointer type like intermediate conversion to an integer
2439 type in folding of (T1)(T2)var to var.
2440 Match the code to the comment in the final conversion for
2441 (T1)(T2)var to (T1)var regarding to type precision. Rather
2442 than disallow T1 being of pointer type, assert that both T1
2443 and var are of pointer type or not. Make sure not to fall
2444 over the frontends lazyness wrt array to pointer decay though.
2446 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2448 * arm.c (arm_struct_value_rtx): Delete.
2449 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2450 (arm_init_cumulative_args): Always initialize nregs to zero.
2452 2006-05-10 Richard Guenther <rguenther@suse.de>
2454 PR tree-optimization/27532
2455 * tree-object-size.c (plus_expr_object_size): Fix typo.
2457 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2460 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2461 ashrdi_const, ashrdi3): Use a scratch register.
2463 2006-05-10 Richard Guenther <rguenther@suse.de>
2465 PR tree-optimization/27302
2466 * fold-const.c (operand_equal_p): For two comparisons,
2467 try comparison of one comparison code swapped if that yields
2470 2006-05-10 Ben Elliston <bje@au.ibm.com>
2472 * tree-pretty-print.c (pretty_print_string): No need to handle
2473 '\0' as a special character.
2475 * tree.h: Include "hashtab.h".
2476 (iterative_hash_expr): Use hashval_t in its prototype.
2477 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2479 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2482 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2483 (hppa*64*-*-hpux11*): Ditto.
2484 (hppa[12]*-*-hpux11*): Ditto.
2486 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2489 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2491 2006-05-09 Michael Matz <matz@suse.de>
2493 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2494 host_extra_gcc_objs and host_xmake_file.
2495 (<*-*-linux*>): Don't overwrite host_xmake_file.
2496 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2497 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2498 (host_detect_local_cpu): Declare.
2499 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2500 * config/i386/i386.c (override_options): Handle -mtune=native
2502 * config/i386/x-i386: New file.
2503 * config/i386/driver-i386.c: New file.
2504 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2507 2006-05-09 Dirk Mueller <dmueller@suse.de>
2508 Richard Guenther <rguenther@suse.de>
2511 * fold-const.c (fold_read_from_constant_string): Relax check
2512 for matching types to matching modes.
2514 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2516 PR rtl-optimization/27335
2517 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2520 2006-05-08 Chao-ying Fu <fu@mips.com>
2521 Richard Sandiford <richard@codesourcery.com>
2523 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2524 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2525 * config/mips/mips.md (UNSPEC_SCC): New constant.
2526 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2527 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2528 (mips_emit_compare): Use it.
2529 (mips_expand_vcondv2sf): New function.
2531 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2533 Fix PR tree-optimization/27093
2534 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2535 renaming when they become not-used_alone.
2537 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2539 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2540 relocation and relocation stubs.
2542 2006-05-08 Eric Christopher <echristo@apple.com>
2544 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2547 2006-05-08 Jan Hubicka <jh@suse.cz>
2550 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2551 unused static functions are needed.
2553 2006-05-08 Roger Sayle <roger@eyesopen.com>
2556 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2557 of a reg_equiv_constant if the result is a legitimate constant.
2559 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2562 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2563 standard 80387 constants, raise the cost to prevent
2564 compress_float_constant() to generate load from memory.
2566 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2568 * config/arm/constraints.md (c): Fix a typo.
2570 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2573 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2576 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2578 (_mm_mwait): Likewise.
2580 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2582 (sse3_monitor): Make it 32bit only.
2583 (sse3_monitor64): New. 64bit monitor.
2585 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2588 * config/i386/i386.c (classify_argument): Skip fields with invalid
2591 2006-05-07 Richard Guenther <rguenther@suse.de>
2593 PR tree-optimization/27409
2594 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2595 Do not try to find zero-sized subvars.
2597 2006-05-07 Richard Guenther <rguenther@suse.de>
2599 PR tree-optimization/27136
2600 * tree-ssa-loop-niter.c (get_val_for): Correct function
2601 comment, assert requirements.
2602 (loop_niter_by_eval): Stop processing if the iterated
2603 value did not simplify.
2605 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2607 * opts.c (flag_see): remove its setting at -O3.
2609 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2611 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2612 * arm/constraints.md: New file.
2613 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2614 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2615 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2616 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2617 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2618 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2619 * arm.md: Include constraints.md.
2620 (thumb_movsi_insn): Use satisfies_constraint_J.
2621 (movhi, movqi): Use satisfies_constraint_I.
2623 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2625 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2626 for atmeg a645 device.
2628 2006-05-06 Richard Guenther <rguenther@suse.de>
2630 PR tree-optimization/27151
2631 * tree-vect-transform.c (vectorizable_condition): Punt on
2632 values that have a different type than the condition.
2634 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2637 * c-parser.c (c_parser_cast_expression): Only insert casts into
2638 hash table if pointer.
2639 * function.c (used_types_insert_helper): Rename from
2641 (used_types_insert): Call used_types_insert_helper.
2642 * function.h (used_types_insert): Accept only one argument.
2644 2006-05-05 David Edelsohn <edesohn@gnu.org>
2646 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2647 scratch with output modifier.
2649 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2652 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2653 with output modifier.
2655 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2658 * config/mips/mips.c (mips_symbolic_address_p): Return true
2659 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2660 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2662 2006-05-04 Richard Guenther <rguenther@suse.de>
2664 PR tree-optimization/14287
2665 PR tree-optimization/14844
2666 PR tree-optimization/19792
2667 PR tree-optimization/21608
2668 PR tree-optimization/27090
2669 * tree-ssa-pre.c (try_combine_conversion): New function.
2670 (compute_avail): After constructing the value-handle
2671 expression, use try_combine_conversion to combine NOP_EXPRs
2672 with previous value-handle expressions and use the result if it
2675 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2677 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2679 2006-05-04 Jan Hubicka <jh@suse.cz>
2682 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2684 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2686 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2687 that this only matches CONST_INTs. All users changed to VOIDmode
2690 * config/bfin/bfin.c: Include "optabs.h".
2691 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2693 (enum bfin_builtins): Add a number of fractional and vector builtins.
2694 (bfin_init_builtins): Likewise.
2695 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2696 (safe_vector_operand, bfin_expand_binop_builtin,
2697 bfin_expand_unop_builtin): New functions.
2698 (bfin_expand_builtin): Handle the new builtins.
2699 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2702 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2705 * Makefile.in (OBJS-common): Add see.o.
2706 (see.o): Add dependencies.
2707 * common.opt (fsee): New flag for the see optimization was added.
2708 * opts.c (flag_see): Initialized.
2709 * passes.c (init_optimization_passes, pass_see): New pass.
2710 * rtl.h (see_main): Declaration as extern.
2711 * timevar.def (TV_SEE): New.
2712 * tree-pass.h (pass_see): Declaration as extern.
2713 * invoke.texi (-fsee): Document.
2714 * recog.c (validate_simplify_insn): New function.
2715 * recog.h (validate_simplify_insn): Declaration as extern.
2716 * df-problems.c (df_chain_dump): Check for NULL.
2718 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2719 Daniel Berlin <dberlin@dberlin.org>
2721 * cfgrtl.c (insert_insn_bb_end_new): New function.
2722 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2724 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2726 * df.h (struct web_entry): Moved from web.c.
2727 (union_defs): Declaration as extern.
2728 (unionfind_root): Likewise.
2729 (unionfind_union): Likewise.
2730 * web.c (struct web_entry): Moved to df.h.
2731 (unionfind_root): Remove static declaration.
2732 (unionfind_union): Likewise.
2733 (union_defs): Likewise and generalize to use callback function.
2734 (web_main): Update arguments for union_defs function call.
2736 2006-05-04 Richard Guenther <rguenther@suse.de>
2738 PR tree-optimization/26447
2739 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2740 produce SSA_NAME copies before the store stmt to avoid
2741 breaking exception handling.
2743 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2746 * gimplify.c (omp_is_private): If var is shared in some outer context,
2747 return false instead of true. Stop searching on parallel context
2750 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2753 * coverage.c: Use get_gcov_unsigned_t() instead of
2754 unsigned_type_node all over.
2756 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2758 PR tree-optimization/27381
2759 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2760 maintain the same immediate_use links.
2761 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2762 node rather than segfaulting.
2764 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2767 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2768 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2769 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2771 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2773 Fix PR tree-optimization/26626
2774 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2776 * tree-ssa-operands.c (access_can_touch_variable): Allow
2777 typecasting through union pointers.
2779 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2782 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2783 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2784 to find if var will be a global variable even in the nested context.
2785 (omp_copy_decl): Only check for global variable at the end, it might
2786 be overridden in outer contexts.
2787 (scan_sharing_clauses): For global variables don't create a field.
2788 (lower_rec_input_clauses): Do nothing for global shared variables.
2789 Emit a barrier at the end of ILIST if there were any decls in both
2790 firstprivate and lastprivate clauses.
2791 (lower_send_clauses): Do nothing for global variables except for
2794 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2796 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2797 of the correct signedness is returned.
2799 2006-05-02 Jeff Law <law@redhat.com>
2801 PR tree-optimization/27364
2802 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2803 multiply expressions.
2805 2006-05-02 Tom Tromey <tromey@redhat.com>
2807 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2809 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2812 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2813 -mthumb -fPIC are used.
2815 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2816 Joshua Kinard <kumba@gentoo.org>
2819 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2820 with 64-bit pointers.
2822 2006-05-02 Paul Brook <paul@codesourcery.com>
2824 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2826 (create_fix_barrier): Check that a suitable barrier location is
2828 (arm_reorg): Include ftmp->address in allowable range of addresses.
2830 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2833 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2836 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2839 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2840 around RESULT_DECL for result passed by reference.
2841 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2842 * omp-low.c (use_pointer_for_field): Don't look at
2843 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2844 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2845 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2846 time or var for passing by reference for
2847 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2848 TREE_ADDRESSABLE variables when passing by reference.
2850 * omp-low.c (dump_omp_region): Fix output formatting.
2853 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2854 (expand_omp_parallel): Likewise.
2855 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2858 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2859 on statement list containing also constructors and destructors.
2860 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2863 * except.c (duplicate_eh_regions): Fix clearing of
2864 cfun->eh->region_array entries.
2866 2006-05-01 DJ Delorie <dj@redhat.com>
2868 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2870 (gcc_cv_objdump): Likewise.
2871 * configure: Regenerated.
2873 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2876 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2877 templates for case 3 and 4.
2879 2006-05-01 DJ Delorie <dj@redhat.com>
2881 * vec.c: Include bconfig.h when appropriate.
2882 * Makefile.in (build/vec.o): Adjust dependencies.
2883 * mkconfig.sh: Make sure config.h isn't used for build machine
2886 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2888 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2890 (mark_phi_for_rewrite): New function.
2891 (insert_phi_nodes_for, mark_use_interesting): Call
2892 mark_phi_for_rewrite.
2893 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2894 (update_ssa): Initialize and free phis_to_rewrite.
2896 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2898 PR rtl-optimization/27291
2899 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2900 folded to a constant.
2902 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2904 PR tree-optimization/27283
2905 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2906 not whole # of iteration descriptions.
2907 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2908 uses abnormal ssa name.
2909 (niter_for_single_dom_exit): Ditto.
2910 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2911 return just the number of iterations.
2913 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2915 PR tree-optimization/27144
2916 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2917 (record_estimate): Only record constant upper bound.
2918 (infer_loop_bounds_from_undefined): Call
2919 compute_estimated_nb_iterations just once.
2920 (proved_non_wrapping_p): Renamed to ...
2921 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2922 (convert_step_widening, scev_probably_wraps_p): Call
2923 n_of_executions_at_most instead of proved_non_wrapping_p.
2924 (substitute_in_loop_info): Do not replace values in bounds.
2925 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2928 2006-05-01 Richard Henderson <rth@redhat.com>
2931 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2932 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2935 2006-05-01 Roger Sayle <roger@eyesopen.com>
2937 * c-typeck.c (parser_build_binary_op): Don't call the function
2938 unsigned_conversion_warning to spot operand/result type overflow.
2939 (build_binary_op): Instead, call convert_and_check instead of
2940 convert to report the problem when the operands are promoted.
2941 * c-common.c (unsigned_conversion_warning): Make static.
2942 * c-common.h (unsigned_conversion_warning): Delete prototype.
2944 2006-05-01 Richard Guenther <rguenther@suse.de>
2946 PR tree-optimization/26726
2947 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2949 (find_interesting_uses_address): ... we work around here
2950 by folding INDIRECT_REFs in the substituted base.
2952 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2954 * omp-low.c (dump_omp_region): Add newlines.
2956 2006-04-30 Roger Sayle <roger@eyesopen.com>
2958 * common.opt (Woverflow): New command line option.
2959 * c-common.c (constant_expression_warning): Check warn_overflow.
2960 (overflow_waring): Pass OPT_Woverflow to warning.
2961 (unsigned_conversion_warning): Likewise.
2962 (convert_and_check): Likewise.
2963 * doc/invoke.texi: Document new command line option.
2965 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2967 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2968 TARGET_NO_FP_IN_TOC for section anchors.
2969 (optimization_options): Enable section anchors for all
2970 non-"Objective" languages.
2972 2006-04-28 Eric Christopher <echristo@apple.com>
2974 * config/darwin-c.c (darwin_ms_struct): Move this
2975 (darwin_set_default_type_attributes): and this...
2976 * config/darwin.c: ... here.
2977 * config/darwin.h (darwin_ms_struct): Declare.
2979 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2981 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2983 2006-04-28 Roger Sayle <roger@eyesopen.com>
2986 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2987 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2988 an unsigned HOST_WIDE_INT.
2989 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2991 (really_start_incremental_init): No need to call convert because
2992 bitsize_zero_node is already of type bitsizetype.
2993 (push_init_level): Extract the value of constructor_index as an
2994 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2995 (process_init_element): Likewise.
2997 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2999 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3000 value before passing to make_relative_prefix.
3002 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3005 * builtins.c (expand_builtin_memset): Expand val in original mode.
3007 2006-04-27 Eric Christopher <echristo@apple.com>
3009 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3010 with #ifndef/#endif.
3011 * config/darwin-c.c (darwin_ms_struct): New.
3012 (darwin_pragma_ms_struct): Ditto.
3013 (darwin_set_default_type_attributes): Ditto.
3014 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3015 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3016 Register ms_struct pragma.
3017 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3018 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3019 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3020 darwin_set_default_type_attributes if TARGET_MACHO.
3022 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3024 PR tree-optimization/26854
3025 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3026 * doc/tree-ssa.texi: Update immuse iterator documentation.
3027 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3028 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3029 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3030 first_safe_imm_use, next_safe_imm_use): Remove.
3031 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3032 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3033 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3034 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3035 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3036 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3037 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3038 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3039 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3040 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3041 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3042 (perfect_nestify): Use new iterator.
3043 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3045 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3046 (next_imm_name): New field in struct immediate_use_iterator_d.
3047 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3048 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3049 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3050 * tree-cfg.c (replace_uses_by): Use new iterator.
3051 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3052 * tree-ssa-operands.c (correct_use_link): Remove.
3053 (finalize_ssa_use_ops): No longer call correct_use_link.
3055 2006-04-27 Stuart Hastings <stuart@apple.com>
3057 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3058 * config/t-darwin (crt3.o): Use it.
3059 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3060 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3061 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3062 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3063 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3066 2006-04-27 Roger Sayle <roger@eyesopen.com>
3068 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3069 size, force the intermediate into a new pseudo rather instead of
3070 performing both a bitwise AND and a bitwise IOR in memory.
3072 2006-04-27 Richard Guenther <rguenther@suse.de>
3074 PR rtl-optimization/26685
3075 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3076 this one "max-flow-memory-locations".
3078 2006-04-27 Richard Guenther <rguenther@suse.de>
3080 PR tree-optimization/25148
3081 * tree-vrp.c (compare_values): Remove code dealing with
3082 comparisons against type min/max value. Honour overflow
3083 and negative constants in code dealing with comparisons
3084 of plus and minus expressions.
3085 (value_inside_range): Use fold_binary with LE_EXPR and
3086 GE_EXPR rather than compare_values.
3088 2006-04-27 Dirk Mueller <dmueller@suse.de>
3090 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3093 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3095 * basic-block.h (safe_insert_insn_on_edge): Removed.
3096 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3098 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3099 Paolo Bonzini <bonzini@gnu.org>
3102 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3103 (simplify_and_const_int): Same.
3105 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3107 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3109 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3112 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3113 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3114 cgraph_global_info_ready.
3117 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3120 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3121 either decl or init is error_mark_node.
3124 * tree-flow.h (struct omp_region): Add sched_kind.
3125 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3126 instead of extracting omp for data.
3127 (expand_omp_for): Save extracted sched_kind.
3129 2006-04-25 Roger Sayle <roger@eyesopen.com>
3131 * expmed.c (store_bit_field): Also check whether the bitsize is
3132 valid for the machine's "insv" instruction before moving the
3133 target into a pseudo for use with the insv.
3134 * config/i386/predicates.md (const8_operand): New predicate.
3135 * config/i386/i386.md (extv, extzv, insv): Use the new
3136 const8_operand predicate where appropriate.
3138 2006-04-25 DJ Delorie <dj@redhat.com>
3140 * doc/install.texi (Specific): Clarify that this is not a list of
3141 supported hosts or targets.
3143 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3145 PR rtl-optimization/26725
3146 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3147 block's BB_DIRTY flag.
3149 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3151 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3154 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3155 to print an integer.
3157 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3159 * varasm.c (align_variable): New function.
3160 (get_block_for_decl): Apply align_variable to DECL before
3161 calculating section information.
3162 (assemble_variable): Split out alignment computation.
3164 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3166 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3169 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3171 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3172 MODE_PARTIAL_INT mode.
3173 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3174 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3176 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3177 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3179 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3181 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3183 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3184 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3185 MACFLAG_IH): Likewise.
3186 (movstricthi_1): Renamed from "*movstricthi".
3187 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3188 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3189 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3190 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3191 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3192 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3193 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3194 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3195 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3196 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3197 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3198 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3199 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3200 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3201 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3203 * doc/rtl.texi (ss_ashift): Improve wording.
3205 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3207 * dwarf2out.c (verify_marks_clear): New.
3208 (prune_unused_types): Call verify_marks_clear initially, not
3211 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3213 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3214 * doc/rtl.texi: Document them.
3215 * simplify-rtx.c (simplify_unary_operation,
3216 simplify_binary_operation_1): Don't abort when we see them.
3218 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3221 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3222 * configure.ac: Completely disregard languages that are not
3224 * configure: Regenerated.
3226 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3227 Richard Guenther <rguenther@suse.de>
3229 PR tree-optimization/27236
3230 * tree-inline.c (copy_body_r): Make sure to copy
3231 TREE_THIS_VOLATILE flag.
3233 2006-04-24 Richard Guenther <rguenther@suse.de>
3236 * tree-complex.c (update_parameter_components): Don't handle
3237 unused parameters which have no default def.
3239 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3240 Richard Guenther <rguenther@suse.de>
3242 PR tree-optimization/27218
3243 * tree-inline.c (expand_call_inline): Strip useless type
3244 conversions for the return slot address.
3246 2006-04-24 Richard Guenther <rguenther@suse.de>
3248 * cfgloop.h (struct loops): Remove unused field array. Reorder
3250 (LOOP_PREFETCH): Remove.
3252 2006-04-24 Richard Guenther <rguenther@suse.de>
3254 PR tree-optimization/22525
3255 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3256 variable, adjust types of generated expressions.
3258 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3260 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3261 (tree-vect-patterns.o): Likewise.
3263 (cselib.o): Likewise.
3264 (loop-doloop.o): Likewise.
3265 (regclass.o): Likewise.
3266 (reload1.o): Likewise.
3267 (explow.o): Replace target.h with $(TARGET_H).
3268 (ipa-prop.o): Likewise.
3269 (ipa-cp.o): Likewise.
3270 (ipa-inline.o): Likewise.
3271 (reorg.o): Likewise.
3272 (reg-stack.o): Likewise.
3274 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3276 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3278 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3280 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3282 * configure.ac: Completely disregard languages that are not
3284 * configure: Regenerated.
3287 * c-common.h (c_build_bitfield_integer_type): Declare.
3288 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3289 * c-common.c (c_build_bitfield_integer_type): ... here.
3291 2006-04-23 Roger Sayle <roger@eyesopen.com>
3294 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3295 a SImode SUBREG of a floating point register after no_new_pseudos.
3297 2006-04-23 Roger Sayle <roger@eyesopen.com>
3299 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3300 identify potentially eliminable registers to additionally catch
3301 VIRTUAL_INCOMING_ARGS_REGNUM.
3302 (addsi3): Update the conditions on when to use addsi_small_int.
3304 2006-04-23 Roger Sayle <roger@eyesopen.com>
3307 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3308 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3309 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3311 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3313 * fold-const.c (range_predecessor): Use operand_equal_p
3314 as the predicate for equality.
3315 (range_successor): Likewise.
3317 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3320 * config/soft-fp/op-common.h: Fix a typo.
3322 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3325 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3326 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3328 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3330 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3332 * doc/tm.texi: Fix a typo.
3334 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3336 * dwarf2out.c (struct die_struct): Document that die_sib makes
3337 a circular linked list.
3338 (FOR_EACH_CHILD): New.
3339 (reverse_die_lists): Delete.
3340 (reverse_all_dies): Delete.
3341 (add_dwarf_attr): Correct documentation.
3342 (remove_child_with_prev): New.
3343 (remove_child_TAG): Update for change to die_struct, use
3344 remove_child_with_prev.
3345 (add_child_die): Update for change to die_struct.
3346 (splice_child_die): Use remove_child_with_prev and add_child_die.
3347 (print_die): Use FOR_EACH_CHILD.
3348 (die_checksum): Likewise.
3349 (assign_symbol_names): Likewise.
3350 (output_location_lists): Likewise.
3351 (build_abbrev_table): Likewise.
3352 (calc_die_sizes): Likewise.
3353 (mark_dies): Likewise.
3354 (unmark_dies): Likewise.
3355 (unmark_all_dies): Likewise.
3356 (output_die): Likewise.
3357 (prune_unused_types_mark): Likewise.
3358 (prune_unused_types_walk): Likewise.
3359 (same_die_p): Update for change to die_struct.
3360 (break_out_includes): Likewise.
3361 (prune_unused_types_prune): Likewise.
3362 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3363 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3365 (dwarf2out_finish): Don't call reverse_all_dies.
3367 2006-04-21 Eric Christopher <echristo@apple.com>
3369 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3370 in comments and function names.
3372 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3375 * c-typeck.c (digest_init): Robustify.
3377 * c-typeck.c (pop_init_level): Simplify.
3379 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3381 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3383 2006-04-21 Paul Brook <paul@codesourcery.com>
3385 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3386 hardware floating point.
3388 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3390 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3393 2006-04-21 Nick Clifton <nickc@redhat.com>
3395 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3398 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3401 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3402 C++ lang type in traceback table for Objective-C++.
3404 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3406 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3408 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3410 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3413 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3414 were errors. Remove check for erroneous objects.
3416 2006-04-20 Jeff Law <law@redhat.com>
3418 PR tree-optimization/26854
3419 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3420 checking for zero or one use.
3421 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3422 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3423 * tree-ssa-reassoc.c (negate_value): Similarly.
3424 (reassociate_bb): Similarly.
3426 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3428 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3429 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3430 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3432 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3434 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3435 fp regs if the last fp arg doesn't fit in regs.
3437 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3440 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3441 that the last insn has the REG_INC note.
3443 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3444 Nathan Sidwell <nathan@codesourcery.com>
3447 * stor-layout.c (update_alignment_for_field): Do not align
3449 (place_union_field): Place union field at the start of the union.
3450 (place_field): Move ERROR_MARK check later, and use the current
3451 allocation position to maintain monotonicity.
3453 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3455 * dominance.c: Include timevar.h.
3456 (calculate_dominance_info): Use TV_DOMINANCE.
3457 * timevar.def (TV_DOMINANCE): New timevar.
3458 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3460 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3462 PR rtl-optimization/14261
3463 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3464 move would be an INSV insn.
3465 (noce_process_if_block): Don't optimize if the destination is a
3466 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3468 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3470 * config/s390/s390.md: Add comments with the instructions emitted
3471 by an insn pattern if macros are used.
3473 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3475 PR rtl-optimization/26026
3476 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3477 is a known power of two shifted left a variable amount.
3479 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3481 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3482 to hash table twice when the debug_str section has SECTION_MERGE.
3484 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3486 * config/soft-fp: New directory. From glibc.
3487 * config/soft-fp/t-softfp: New.
3488 * config/soft-fp/README: New.
3489 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3490 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3491 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3492 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3493 * config.gcc: Use rs6000/t-fprules-fpbit or
3494 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3496 * config/rs6000/sfp-machine.h: New. Based on glibc.
3497 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3499 * config/rs6000/t-fprules: Remove fp-bit rules.
3500 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3501 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3502 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3503 (softfp_wrap_start, softfp_wrap_end): New.
3505 2006-04-18 DJ Delorie <dj@redhat.com>
3507 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3509 2006-04-18 Devang Patel <dpatel@apple.com>
3511 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3513 2006-04-18 Nick Clifton <nickc@redhat.com>
3515 * config/sh/t-symbian: Add rule to build sh-c.o
3516 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3517 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3518 (sh_symbian_encode_section_info): Likewise.
3520 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3522 * builtins.c (expand_builtin_strcmp): Cover label definition of
3523 do_libcall with HAVE_cmpstrnsi.
3525 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3527 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3529 * function.h (temp_slot_p): New.
3530 (function): Change the type of x_used_temp_slots to
3531 VEC(temp_slot_p,gc) *.
3533 2006-04-18 Nick Clifton <nickc@redhat.com>
3535 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3536 flag_strength_reduce.
3538 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3540 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3544 Partial revert of revision 112637
3545 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3546 Dale Johannesen <dalej@apple.com>
3549 * regclass.c (struct reg_pref): Update documentation.
3550 (regclass): Set prefclass to NO_REGS if memory is the best option.
3551 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3553 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3555 PR tree-optimization/26821
3556 * tree-ssa-math-opts.c (get_constant_one): New.
3557 (insert_reciprocals): Use it.
3559 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3561 * dwarf2out.c (free_AT): Delete.
3562 (remove_AT): Update string ref counts.
3563 (remove_child_TAG): Don't call free_die.
3565 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3566 or DW_TAG_GNU_EINCL.
3567 (prune_unused_types_walk_attribs): Reset string refcounts.
3568 (prune_unused_types_update_strings): New.
3569 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3570 call free_die. Do call prune_unused_types_update_strings.
3571 (prune_unused_types): Empty debug_str_hash.
3573 2006-04-17 Roger Sayle <roger@eyesopen.com>
3575 * expr.c (expand_assignment): Optimize away no-op moves where the
3576 source and destination are equal and have no side-effects.
3578 2006-04-17 Richard Guenther <rguenther@suse.de>
3581 * reload.c (push_reload): Guard calls to get_secondary_mem
3584 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3586 * alias.c (reg_base_value, old_reg_base_value): Change the
3587 type to VEC(rtx,gc) *.
3588 (REG_BASE_VALUE, find_base_value, record_set,
3589 init_alias_analysis): Use VEC instead of VARRAY.
3591 * alias.c (alias_sets): Change the type to
3592 VEC(alias_set_entry,gc) *.
3593 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3594 VEC instead of VARRAY.
3595 (last_alias_set): Remove.
3597 * cgraph.h (cgraph_edge_p): New.
3598 Update the prototype of cgraph_function_versioning.
3599 * cgraphunit.c (cgraph_copy_node_for_versioning,
3600 cgraph_function_versioning): Use VEC instead of VARRAY.
3601 * ipa-cp.c (ipcp_insert_stage): Likewise.
3603 2006-04-16 Roger Sayle <roger@eyesopen.com>
3606 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3607 "A op B" or "A op C", we may need to convert A to the type of B and C.
3609 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3611 * target.h (struct gcc_target): Add mode_rep_extended.
3612 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3613 (init_num_sign_bit_copies_in_rep): Initialize it using
3615 (truncate_to_mode): Use it.
3616 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3617 * targhooks.h (default_mode_rep_extended): Declare it.
3618 * targhooks.c (default_mode_rep_extended): Define it.
3619 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3620 default_mode_rep_extended.
3621 (TARGET_INITIALIZER): Include it.
3622 * doc/tm.texi (Misc): Document it.
3623 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3624 (mips_truncated_to_mode): New function.
3626 2006-04-16 Roger Sayle <roger@eyesopen.com>
3629 * expr.c (compress_float_constant): Copy the narrow constant into
3630 a new pseudo before extending it to its final width.
3632 2006-04-16 Roger Sayle <roger@eyesopen.com>
3633 Andrew Pinski <pinskia@gcc.gnu.org>
3634 Dale Johannesen <dalej@apple.com>
3637 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3638 special case code to implement V8HImode and V16QImode with SSE2.
3640 2006-04-15 Roger Sayle <roger@eyesopen.com>
3642 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3643 trees are constructed with a suitable tree type.
3645 2006-04-15 Roger Sayle <roger@eyesopen.com>
3647 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3648 (integer_onep): Likewise.
3649 (integer_all_onesp): Likewise.
3650 (integer_pow2p): Likewise.
3651 (integer_nonzerop): Likewise.
3652 (real_zerop): Likewise.
3653 (real_onep): Likewise.
3654 (real_twop): Likewise.
3655 (real_minus_onep): Likewise.
3656 (int_size_in_bytes): Likewise.
3657 (host_integerp): Likewise.
3659 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3661 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3662 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3663 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3665 * tree-ssa-structalias.h (alias_info): Remove num_references.
3667 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3669 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3670 (output_bvb patterns): Likewise.
3671 * pa.c (output_bb): Use 'bb' insn for long branch case.
3672 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3673 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3674 1. Correct length operand for alternatives 1 and 2.
3675 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3676 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3678 2006-04-14 Roger Sayle <roger@eyesopen.com>
3680 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3681 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3682 were accidentally reverted by r112959.
3684 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3687 * except.h (eh_region_outermost): New prototype.
3688 * except.c (eh_region_outermost): New function.
3689 * tree-cfg.c (find_outermost_region_in_block): Use it.
3691 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3693 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3695 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3696 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3697 (init_reload, reload): Use VEC instead of VARRAY.
3698 * reload.h: Update the prototype for
3699 reg_equiv_memory_loc_varray.
3701 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3702 Eric Botcazou <ebotcazou@libertysurf.fr>
3704 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3707 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3710 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3711 to expand fallback builtin function call.
3713 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3716 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3717 and emit libcall here in case the builtin fails.
3718 (expand_builtin_strcmp): Always emit the libcall here on failure.
3720 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3722 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3723 * flow.c (reg_n_info): Change the type to
3724 VEC(reg_info_p,heap) *.
3725 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3727 * regs.h (reg_info_p): New.
3728 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3729 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3730 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3733 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3735 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3737 * params.h (MAX_SCHED_READY_INSNS): New macro.
3738 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3739 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3740 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3741 the ready list for 1 cycle during the first scheduling pass.
3742 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3744 2006-04-13 Richard Henderson <rth@redhat.com>
3747 * gimple-low.c (lower_omp_directive): Remove dead code.
3748 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3749 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3750 * omp-low.c (struct omp_region): Move to tree-flow.h.
3751 (root_omp_region): Export.
3752 (omp_regions, lookup_omp_region): Remove.
3753 (determine_parallel_type): Update for struct omp_region changes.
3754 (dump_omp_region): Dump regions with block numbers.
3755 (new_omp_region): Take type and block instead of stmt; malloc
3757 (free_omp_region_1, free_omp_regions): New.
3758 (expand_parallel_call): Take entry_stmt as argument; update for
3759 changes to omp_region.
3760 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3761 (remove_exit_barriers): New.
3762 (expand_omp_parallel): Update for struct omp_region changes.
3763 (expand_omp_synch): Likewise.
3764 (expand_omp): Likewise.
3765 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3766 (expand_omp_for_static_chunk): Likewise.
3767 (expand_omp_for): Likewise.
3768 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3769 (expand_omp_sections): Similarly, with GOMP_sections_end.
3770 (expand_omp_single): New.
3771 (build_omp_regions_1): Update for OMP_CONTINUE.
3772 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3773 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3774 OMP_SECTIONS_SECTIONS.
3775 (lower_omp_single_simple): Don't emit barrier here.
3776 (lower_omp_single_copy): Likewise.
3777 (lower_omp_single): Fix bindings, and lower to straightline now.
3778 (lower_omp_master, lower_omp_ordered): Likewise.
3779 (lower_omp_critical): Likewise.
3780 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3781 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3782 omp edges, free it afterward.
3783 (make_omp_sections_edges): Remove.
3784 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3785 (move_stmt_r): Handle OMP_CONTINUE.
3786 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3787 statement pointers to basic blocks. Add type member.
3788 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3789 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3790 * tree-inline.c (estimate_num_insns_1): Likewise.
3791 * tree-pretty-print.c (dump_generic_node): Likewise.
3792 * tree-ssa-operands.c (get_expr_operands): Likewise.
3793 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3794 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3795 (OMP_CONTINUE): New.
3796 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3797 (OMP_SECTIONS_SECTIONS): Remove.
3798 (OMP_SECTION_LAST): New.
3799 (OMP_RETURN_NOWAIT): New.
3801 2006-04-13 Roger Sayle <roger@eyesopen.com>
3803 * fold-const.c (native_encode_vector, native_interpret_real):
3804 Correct obvious mistakes in the previous check-in.
3806 2006-04-13 Roger Sayle <roger@eyesopen.com>
3808 * fold-const.c (native_encode_expr): New function to encode
3809 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3810 or VECTOR_CST into a specified buffer.
3811 (native_encode_int): New function.
3812 (native_encode_real): New function.
3813 (native_encode_complex): New function.
3814 (native_encode_vector): New function.
3815 (native_interpret_expr): Inverse of native_encode_expr to convert
3816 a target representation into an INTEGER_CST, REAL_CST etc...
3817 (native_interpret_int): New function.
3818 (native_interpret_real): New function.
3819 (native_interpret_complex): New function.
3820 (native_interpret_vector): New function.
3821 (fold_view_convert_expr): New function to constant fold/evaluate
3822 a VIEW_CONVERT_EXPR of a suitable constant expression.
3823 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3824 Change call of build1 to fold_build1 when constructing a
3827 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3828 Ulrich Weigand <uweigand@de.ibm.com>
3831 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3834 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3837 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3838 optimize to lo_sum for DFmode if !TARGET_FPRS.
3840 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3842 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3843 delete_alias_info, compute_flow_sensitive_aliasing,
3844 group_aliases): Use VEC instead of VARRAY.
3845 * tree-ssa-structalias.c (update_alias_info): Likewise.
3846 * tree-ssa-structalias.h (alias_info): Change the type of
3847 processed_ptrs to VEC(tree,heap) *.
3849 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3852 * config/sh/lib1funcs.h: New file, broken out of:
3853 * config/sh/lib1funcs.asm.
3854 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3856 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3857 * config/sh/lib1funcs-Os-4-200.asm: New file.
3858 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3859 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3860 (EXTRA_MULTILIB_PARTS): Include it.
3861 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3862 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3863 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3864 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3867 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3869 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3870 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3871 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3873 * tree-ssa-live.h: Include vecprim.h.
3874 (tree_partition_associator_d): Change the type of
3875 first_partition to VEC(int,heap) *.
3876 (tpa_first_partition): Use VEC instead of VARRAY.
3878 * Makefile.in (GTFILES): Move functions.h after tree.h.
3879 * function.c (reset_block_changes, record_block_change,
3880 check_block_change, free_block_changes): Use VEC instead of
3882 * function.h (function): Change the type of
3883 ib_boundaries_block to VEC(tree,gc) *.
3884 * tree-inline.c (copy_cfg_body): Initialize
3885 ib_boundaries_block to NULL instead of (varray_type) 0.
3887 2006-04-12 Roger Sayle <roger@eyesopen.com>
3889 * expr.c (emit_group_store): Correct operand order in call to
3890 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3891 a SUBREG_BYTE of zero.
3893 2006-04-12 Richard Guenther <rguenther@suse.de>
3895 * profile.c (compute_branch_probabilities): Remove code
3896 encapsulated in !ir_type (), which are remanents of the
3897 removed RTL profiling code.
3898 * rtl-profile.c: Remove.
3900 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3902 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3903 magic NULL_RTX comment.
3904 (function_arg): Store entire fp arg to mem if any part should go
3906 (rs6000_arg_partial_bytes): Adjust for above change.
3908 2006-04-11 Roger Sayle <roger@eyesopen.com>
3910 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3911 if it hasn't been initialized by dwarf2out_init.
3913 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3915 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3916 symbolic constants in branch patterns.
3918 2006-04-11 Roger Sayle <roger@eyesopen.com>
3920 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3922 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3924 PR rtl-optimization/27073
3925 * gcse.c (try_replace_reg): Revert last change. Continue to search
3926 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3929 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3931 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3932 aggregate types other than record and union types.
3933 (function_arg): Likewise.
3934 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3936 (function_value): In 64-bit mode, return objects that require it
3939 2006-04-11 Roger Sayle <roger@eyesopen.com>
3941 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3943 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3945 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3947 2006-04-03 Jeff Law <law@redhat.com>
3950 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3951 alias information too.
3953 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3955 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3957 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3960 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3961 (premark_used_types_helper): New.
3962 (premark_used_types): New.
3963 (gen_subprogram_die): Call premark_used_types.
3964 (prune_unused_types_walk): Do not prune perennial dies.
3965 * function.c (used_types_insert): New.
3966 * function.h (struct function): Add used_types_hash field.
3967 (used_types_insert): Add prototype.
3968 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3969 * c-parser.c (c_parser_cast_expression): Save casted types in used
3972 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3975 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3976 rs6000_explicit_options.float_gprs.
3978 2006-04-10 Roger Sayle <roger@eyesopen.com>
3980 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3981 from ix86_expand_vector_init_low_nonzero. Take an additional
3982 one_var argument indicating which element is non-zero. Support
3983 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3984 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3985 with one_var instead of ix86_expand_vector_init_low_nonzero.
3987 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3989 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3990 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3991 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3992 build/genextract.o): Depend on vecprim.h.
3993 * cfglayout.c, df-problems.c, function.c, genextract.c,
3994 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3995 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3999 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4001 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4002 Declare VECs of this type.
4003 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4004 (remove_children): Delete.
4005 (add_dwarf_attr): Use VEC routines.
4006 (add_AT_flag): Update for changes to add_dwarf_attr.
4007 (add_AT_int): Likewise.
4008 (add_AT_unsigned): Likewise.
4009 (add_AT_long_long): Likewise.
4010 (add_AT_vec): Likewise.
4011 (add_AT_string): Likewise.
4012 (add_AT_die_ref): Likewise.
4013 (add_AT_fde_ref): Likewise.
4014 (add_AT_loc): Likewise.
4015 (add_AT_loc_list): Likewise.
4016 (add_AT_addr): Likewise.
4017 (add_AT_lbl_id): Likewise.
4018 (add_AT_lineptr): Likewise.
4019 (add_AT_macptr): Likewise.
4020 (add_AT_offset): Likewise.
4021 (add_AT_range_list): Likewise.
4022 (get_AT): Use VEC_iterate.
4023 (remove_AT): Use VEC_ordered_remove.
4024 (free_die): Fold remove_children into here; have it use VEC_iterate.
4025 (print_die): Use VEC_iterate on attrs.
4026 (reverse_die_lists): Don't reverse attr lists.
4027 (die_checksum): Use VEC_iterate on attrs.
4028 (same_die_p): Likewise.
4029 (output_location_lists): Likewise.
4030 (build_abbrev_table): Likewise.
4031 (size_of_die): Likewise.
4032 (unmark_all_dies): Likewise.
4033 (output_abbrev_section): Likewise.
4034 (output_die): Likewise.
4035 (prune_unused_types_walk_attribs): Likewise.
4037 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4039 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4041 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4044 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4046 2006-04-09 Roger Sayle <roger@eyesopen.com>
4048 * expr.c (store_constructor): Don't bother clearing target if
4049 we're about to assign a vector to it using vec_init_optab.
4051 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4053 * tree-ssa-alias.c (lhs_may_store_to): New function.
4054 (recalculate_used_alone): Handle LHS of calls.
4056 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4060 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4061 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4062 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4063 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4064 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4065 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4066 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4067 stubs. Add ".align 8" directives before all ".dword" directives.
4068 (GTHREAD_USE_WEAK): Revise comment.
4069 (TARGET_ATTRIBUTE_WEAK): Define.
4070 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4071 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4072 * stublib.c: New file.
4077 * pa.md (cbranch patterns): Revise arguments used in calls to
4078 output_cbranch, output_bb and output_bvd. Add long branch length
4080 (fbranch patterns): Handle long branches.
4081 (jump): Revise length check. Revise arguments for output_lbranch call.
4082 Add long branch length attributes.
4083 (decrement_and_branch_until_zero): Add long branch length attributes.
4084 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4085 Likewise. Revise arguments for output_parallel_addb and
4086 output_parallel_movb calls.
4087 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4088 output_parallel_movb and output_parallel_addb): Update prototypes.
4089 * pa.c (output_cbranch): Revise arguments. Correct handling of
4090 nullification in long branches.
4091 (output_lbranch): Add new argument to control extraction of delay
4093 (output_bb): Handle long branches.
4094 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4095 output_parallel_addb): Likewise.
4097 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4099 PR rtl-optimization/27073
4100 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4103 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4105 * tree.h (tree_memory_tag): Add old_used_alone.
4106 (SMT_OLD_USED_ALONE): New macro.
4107 * tree-ssa-alias.c (recalculate_used_alone): Stop
4108 marking things for renaming unnecessarily.
4110 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4112 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4113 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4114 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4115 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4116 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4117 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4118 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4119 spelling convensions.
4120 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4121 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4122 typos. Follow spelling conventions.
4124 2006-04-07 DJ Delorie <dj@redhat.com>
4126 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4127 passed on the stack.
4128 (m32c_init_cumulative_args): When a function returns a structure,
4129 always pass the pointer to that return area on the stack.
4130 (m32c_function_arg_advance): Don't increment the parameter number
4131 if we're processing the returned structure pointer.
4132 (pushm_info): Reverse order of registers.
4134 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4136 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4137 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4138 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4139 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4141 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4142 chrec_fold_multiply): Same.
4143 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4144 force_expr_to_var_cost): Same.
4145 * tree-mudflap.c (mf_xform_derefs_1): Same.
4146 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4148 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4150 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4151 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4154 2006-04-07 Jan Hubicka <jh@suse.cz>
4156 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4158 2006-04-07 Richard Guenther <rguenther@suse.de>
4160 PR tree-optimization/26135
4161 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4162 loads for store copy-prop.
4163 (copy_prop_visit_stmt): Likewise.
4165 2006-04-05 Robert Millan <robertmh@gnu.org>
4167 * config/i386/linux.h: Add a comment to mark macros that are
4168 being overriden in config/k*bsd-gnu.h.
4169 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4171 * config/knetbsd-gnu.h: Ditto.
4173 2006-04-06 Jan Hubicka <jh@suse.cz>
4177 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4180 2006-04-06 Mike Stump <mrs@apple.com>
4182 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4183 for HAVE_nonlocal_goto to be consistent.
4184 (expand_builtin_nonlocal_goto): Likewise.
4185 (expand_builtin_strcmp): Use #ifdef instead of #if
4186 for HAVE_cmpstrnsi to be consistent.
4188 2006-04-05 DJ Delorie <dj@redhat.com>
4190 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4193 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4195 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4196 got-relative addressing for anything but SImode.
4198 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4199 even if the calling function doesn't modify them.
4201 2006-04-05 Richard Guenther <rguenther@suse.de>
4203 PR tree-optimization/26919
4204 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4205 to cgraph_estimate_size_after_inlining.
4207 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4209 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4211 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4213 PR tree-optimization/26996
4214 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4215 VECTOR_TYPE variables.
4217 2006-04-05 Richard Guenther <rguenther@suse.de>
4219 PR tree-optimization/26763
4220 * fold-const.c (fold_comparison): Move folding of
4221 PTR + CST CMP PTR + CST ...
4222 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4224 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4226 * doc/install.texi (Prerequisites): Refine some wording on
4227 bootstrapping and ksh.
4228 Move the version numbers of DejaGnu here from the testing section
4229 and fix casing of names.
4230 Fix markup and clarify wording for autogen requirements.
4231 Refer to GCJ instead of just java.
4232 Refer to SVN instead of CVS.
4233 Describe diffutils as useful instead of necessary.
4234 (Downloading the source): Refer to SVN instead of CVS.
4235 Adjust a link to our web site accordingly.
4236 (Configuration): Fix casing of Bison.
4237 (Building): Refer to SVN instead of CVS.
4238 Fix a sentence on the use of Bison and remove duplicate (and
4239 incorrect) version number of Bison requirement.
4240 Remove one redundant list of packages needed for building.
4241 (Specific): Avoid reference to CVS.
4243 2006-04-04 Eric Christopher <echristo@apple.com>
4245 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4246 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4247 (rs6000_handle_struct_attribute): New.
4248 (rs6000_ms_bitfield_layout_p): Ditto.
4250 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4252 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4253 NULL for dso parameter to atexit_common.
4255 2006-04-04 Eric Christopher <echristo@apple.com>
4257 * config/i386/i386.c (machopic_output_stub): Output \t
4258 between instructions and operands.
4260 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4262 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4263 satisfies_constraint_[IL] to explicit tests on value.
4265 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4267 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4268 set_nb_iterations_in_loop): Use build_int_cst instead of
4270 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4271 build_int_cst instead of convert.
4273 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4275 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4276 new value 2 for incoming.
4277 * function.c (expand_function_start): Call struct_value_rtx
4279 * config/sparc/sparc.md: Comment updated_return.
4280 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4281 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4282 struct return if sparc_std_struct_return and incoming is 2.
4283 (print_operand): Do not adjust return if
4284 sparc_std_struct_return.
4286 2006-04-04 Roger Sayle <roger@eyesopen.com>
4288 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4289 convert in the middle-end.
4290 * expr.c (store_expr, store_constructor, get_inner_reference,
4291 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4293 * tree.c (build_range_type): Likewise.
4295 2006-04-04 Tom Tromey <tromey@redhat.com>
4297 * doc/install.texi (Prerequisites): Mention jar.
4299 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4301 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4304 2006-04-04 Matthias Klose <doko@debian.org>
4306 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4307 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4310 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4312 * doc/extend.texi (Function Attributes): Rewrite visibility
4313 attribute documentation.
4314 * doc/invoke.texi (C++ Dialect Options): Rewrite
4315 -fvisibility-inlines-hidden documentation to describe something
4316 entirely different, although in practise compatible.
4317 (Code Gen Options): Warn about system headers in -fvisibility=
4320 * doc/extend.texi (Other Builtins): Document that
4321 __builtin_nan is a compile-time constant only when its argument
4324 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4326 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4327 trying to remove TRUNCATE check if all bits outside the new mode
4328 are identical to the sign bit.
4330 2006-04-03 Jeff Law <law@redhat.com>
4332 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4333 and operand scanning in some common cases.
4335 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4336 Dale Johannesen <dalej@apple.com>
4339 * regclass.c (struct reg_pref): Update documentation.
4340 (regclass): Set prefclass to NO_REGS if memory is the best option.
4341 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4342 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4343 into account. For non-registers, equate an empty preferred
4344 reload class to a `!' in the constraint; move the if clause to
4345 do so after those that reject the insn.
4346 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4348 (find_dummy_reload): Likewise.
4349 * doc/tm.texi (Register Classes): Document what it means
4350 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4351 * config/i386/i386.c (ix86_preferred_reload_class): Force
4352 using SSE registers (and return NO_REGS for floating-point
4353 constants) if math is done with SSE.
4354 (ix86_preferred_output_reload_class): New.
4355 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4356 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4357 * config/i386/i386.md: Remove # register preferences.
4359 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4362 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4363 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4364 the type of nb_iter.
4365 (instantiate_parameters_1): Convert the operands before calling
4366 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4367 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4369 2006-04-02 Roger Sayle <roger@eyesopen.com>
4371 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4372 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4374 * dojump.c (do_jump): Likewise.
4375 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4376 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4377 gimplify_boolean_expr): Likewise.
4378 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4379 * varasm.c (array_size_for_constructor): Likewise.
4380 * tree-object-size.c (compute_object_offset): Likewise.
4382 2006-04-02 Roger Sayle <roger@eyesopen.com>
4385 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4386 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4388 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4390 PR tree-optimization/26939
4391 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4393 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4395 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4396 at_stmt. Convert the type of operands before calling
4397 build_polynomial_chrec.
4398 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4400 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4401 (instantiate_parameters_1): Convert the type of operands before calling
4402 build_polynomial_chrec.
4403 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4404 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4405 reset_evolution_in_loop): Insert asserts to check the types of the
4407 (chrec_type): Moved...
4408 (eq_evolutions_p): Use operand_equal_p.
4409 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4410 the types of the operands.
4411 (chrec_type): ...here.
4412 * tree-data-ref.c (create_data_ref): Convert the operands before
4413 calling chrec_replace_initial_condition.
4414 (same_access_functions, analyze_subscript_affine_affine,
4415 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4416 (compute_subscript_distance, analyze_ziv_subscript,
4417 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4418 analyze_miv_subscript): Convert the operands before calling
4419 chrec_fold_minus or chrec_fold_plus.
4421 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4423 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4424 the dependence_relations vector.
4425 (compute_data_dependences_for_loop): Adjust call to
4426 compute_all_dependences.
4428 2006-04-01 Roger Sayle <roger@eyesopen.com>
4429 Richard Henderson <rth@redhat.com>
4431 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4432 gimple_boolify on the condition before calling gimplify_expr.
4434 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4436 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4437 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4438 the frame size. Update to use the new macros.
4439 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4440 * config/xtensa/ieee754-df.S: Likewise.
4442 2006-03-31 Richard Henderson <rth@redhat.com>
4444 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4445 (make_edges): ... here. Control fallthru creation with a local
4446 variable. Do not play with fake edges.
4447 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4448 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4451 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4453 * dwarf2.h (DW64_CIE_ID): Define.
4454 * dwarf2out.c (DWARF_CIE_ID): Define.
4455 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4456 length header. Use DWARF_CIE_ID.
4457 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4458 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4460 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4462 * config/sh/linux-atomic.asm: New file.
4463 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4465 2006-03-31 DJ Delorie <dj@redhat.com>
4467 * config/m32c/cond.md: Set condition flags properly throughout.
4468 * config/m32c/minmax.md: Likewise.
4469 * config/m32c/prologue.md: Likewise.
4470 * config/m32c/bitops.md: Likewise.
4471 * config/m32c/muldiv.md: Likewise.
4472 * config/m32c/mov.md: Likewise.
4473 * config/m32c/addsub.md: Likewise.
4474 * config/m32c/m32c.md: Likewise.
4475 * config/m32c/jump.md: Likewise.
4476 * config/m32c/shift.md: Likewise.
4478 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4479 conditionally output the pattern for this.
4480 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4481 (m32c_compare_redundant): New.
4482 (m32c_output_compare): New.
4483 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4485 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4486 dest, not src. Allow other 4-byte modes.
4488 2006-03-30 Denis Chertykov <denisc@overta.ru>
4490 * doc/md.texi: Refer to avr/constraints.md instead of
4493 2006-03-30 Roger Sayle <roger@eyesopen.com>
4495 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4496 signed vs. unsigned comparison failures on some hosts.
4498 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4501 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4502 change to FLOAT_REGS.
4504 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4505 (rs6000_override_options): Use it.
4506 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4507 only for -mabi=spe/no-spe and -mabi=altivec.
4509 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4511 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4514 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4516 * Makefile.in: Rename docdir to gcc_docdir.
4518 2006-03-30 Roger Sayle <roger@eyesopen.com>
4521 * expr.c (emit_group_store): Optimize group stores into a pseudo
4522 register by using a paradoxical subreg to initialize the destination
4523 if the first or last member of the group specifies a "low part".
4525 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4528 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4529 * target.h (struct gcc_target.speculate_insn): Change type of the
4530 second parameter to 'int'.
4531 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4532 the second operand of the DEPS_LIST.
4533 (copy_DEPS_LIST_list): Update reference to the second operand of the
4535 * rtl.h (alloc_DEPS_LIST): Update signature.
4536 * sched-int.h (ds_t): Change typedef to 'int'.
4537 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4539 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4541 * haifa-sched.c (try_ready): Change condition to restore
4542 non-speculative pattern of the instruction.
4543 (process_insn_depend_be_in_spec): Code to keep probability of the
4544 speculative dependence non-decreasing.
4546 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4548 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4549 (single_move_for_movmem): ... this. Also change all uses.
4550 (bfin_expand_strmov): Renamed to...
4551 (bfin_expand_movmem): ... this. Also change all uses.
4552 * config/bfin/bfin.md (movstrsi): Renamed to...
4553 (movstrsi): ...this.
4555 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4557 PR tree-optimization/26830
4559 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4560 (copy_prop_visit_stmt): Remove write-only variable ann.
4561 (init_copy_prop): Check variable loop depth here. Do not simulate
4562 memory-tag and virtual operand PHIs except for store copy prop.
4564 2006-03-30 Richard Guenther <rguenther@suse.de>
4566 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4567 variants with double arguments.
4569 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4571 * genpreds.c (write_tm_constrs_h): Delete variable p.
4572 * genconditions.c (write_header): Add tm-constrs.h to included
4574 * genpeep.c (main): Add toplev.h to included headers.
4575 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4576 (build/genpeep.o): Add toplev.h dependency.
4577 * config/rs6000/constraints.md: Add "W" constraint.
4579 2006-03-29 Roger Sayle <roger@eyesopen.com>
4581 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4582 sizes by correctly testing whether the size fits a host integer.
4583 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4584 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4585 SImode range for the default sizetype and bitsizetype.
4587 2006-03-29 Roger Sayle <roger@eyesopen.com>
4589 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4590 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4591 quickly if the argument is already of the correct type.
4592 Call fold_build1 instead of build1. Tidy up blank lines.
4594 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4596 * genemit.c (main): Add tm-constrs.h to included headers.
4597 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4598 * genpeep.c (main): Add tm-constrs.h to included headers.
4599 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4600 (write_tm_constrs_h): this and write complete file.
4601 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4602 (write_insn_preds_c): Add tm-constrs.h to included headers.
4603 (gen_constrs): New variable.
4604 (parse_option): Parse "-c".
4605 (main): Invoke write_tm_constrs_h.
4606 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4607 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4608 (object_out_file): Add tm-constrs.h dependency.
4609 (insn-emit.o): Same.
4610 (insn-output.o): Same.
4611 (insn-peep.o): Same.
4612 (insn-preds.o): Same.
4613 (insn-recog.o): Same.
4614 (tm-constsr.h): New target.
4615 (s-constrs-h): New target.
4617 * config/rs6000/constraints.md: New file.
4618 * config/rs6000/rs6000.c: Include tm-constrs.h.
4619 (num_insn_constant_wide): Convert to satisfies_constraint.
4620 (rs6000_rtx_costs): Convert to satisfies_constraint.
4621 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4622 (CONST_OK_FOR_LETTER_P): Delete.
4623 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4624 (EXTRA_CONSTRAINT): Delete.
4625 (EXTRA_MEMORY_CONSTRAINT): Delete.
4626 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4627 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4628 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4629 satisfies_constraint.
4631 * config/i386/i386.c: Include tm-constrs.h.
4633 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4635 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4636 * tree-data-ref.c (find_data_references_in_loop,
4637 compute_data_dependences_for_loop): Use pointers to VEC.
4638 (analyze_all_data_dependences): Adjust calls.
4639 * tree-data-ref.h (find_data_references_in_loop,
4640 compute_data_dependences_for_loop): Adjust declarations.
4641 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4642 compute_data_dependences_for_loop.
4644 2006-03-29 Paul Brook <paul@codesourcery.com>
4646 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4649 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4651 PR tree-optimization/26859
4652 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4654 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4655 for the step after fold_convert.
4657 2006-03-29 Paul Brook <paul@codesourcery.com>
4659 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4660 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4662 2006-03-29 Paul Brook <paul@codesourcery.com>
4665 * targhooks.c (default_narrow_bitfield): New fuction.
4666 * targhooks.h (default_narrow_bitfield): add prototype.
4667 * target.h (gcc_target): Add narrow_volatile_bitfield.
4668 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4669 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4670 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4671 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4673 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4675 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4677 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4678 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4679 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4680 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4681 (s390_function_arg_float): Allow SDmode and DDmode values to be
4682 passed in floating point registers.
4683 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4684 check with SCALAR_FLOAT_MODE_P.
4685 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4687 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4689 PR tree-optimization/25985
4690 * tree-ssa-loop-niter.c (number_of_iterations_le,
4691 number_of_iterations_ne): Make comments more precise.
4692 (number_of_iterations_cond): Add only_exit argument. Use the
4693 fact that signed variables do not overflow only when only_exit
4695 (loop_only_exit_p): New.
4696 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4697 number_of_iterations_cond.
4699 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4701 PR tree-optimization/26643
4702 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4705 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4707 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4708 (divsi3_i4_int): Likewise.
4710 2006-03-28 Roger Sayle <roger@eyesopen.com>
4712 * expr.c (emit_group_store): Only create a new pseudo reg if the
4713 quantity it needs to hold isn't already a suitable pseudo.
4715 2006-03-28 Jeff Law <law@redhat.com>
4717 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4718 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4720 2006-03-28 Roger Sayle <roger@eyesopen.com>
4722 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4723 the equivalent ~X & Y, and the symmetry related transformations.
4724 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4725 ~X & Y, and symmetry related transforms.
4727 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4729 Revert my 2006-03-27 patches.
4731 2006-03-28 Roger Sayle <roger@eyesopen.com>
4733 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4734 ~(T1)X, when T1 and T2 are integer types of the same precision
4735 and (T2)X isn't an extension.
4737 2006-03-28 Jeff Law <law@redhat.com>
4739 PR tree-optimization/26796
4740 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4741 need EH edge cleanups rather than purging them immediately.
4742 (eliminate_degenerate_phis): Handle queued EH cleanups.
4744 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4746 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4749 2006-03-27 Roger Sayle <roger@eyesopen.com>
4752 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4753 cast BIT_NOT_EXPR operand to the correct type.
4755 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4757 * tree-loop-linear.c: Don't include varray.h.
4758 (gather_interchange_stats, try_interchange_loops,
4759 linear_transform_loops): Use VEC instead of VARRAY.
4760 * lambda-mat.c: Don't include varray.h.
4761 * tree-chrec.c: Same.
4762 * lambda-trans.c: Same.
4763 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4764 VEC instead of VARRAY.
4765 * tree-vectorizer.h: Idem.
4766 * tree-data-ref.c (dump_data_references,
4767 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4768 initialize_data_dependence_relation, finalize_ddr_dependent,
4769 compute_all_dependences, find_data_references_in_loop,
4770 compute_data_dependences_for_loop, analyze_all_data_dependences,
4771 free_dependence_relation, free_dependence_relations,
4772 free_data_refs): Idem.
4773 * tree-data-ref.h (data_reference_p, subscript_p): New.
4774 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4775 VEC instead of VARRAY.
4776 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4777 (find_data_references_in_loop, compute_data_dependences_for_loop,
4778 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4779 dump_data_dependence_relations, free_dependence_relations,
4780 free_data_refs): Adjust declaration.
4781 (lambda_transform_legal_p): Move declaration here...
4782 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4783 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4784 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4785 vect_analyze_data_refs): Use VEC instead of VARRAY.
4786 * lambda.h (lambda_transform_legal_p): ...from here.
4787 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4788 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4789 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4790 tree-chrec.o): Don't depend on VARRAY_H.
4792 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4794 * rtl.def (Copyright): Update date.
4795 (DEPS_LIST): Change type of the second operand to 'int'.
4796 * target.h (Copyright): Update date.
4797 (struct gcc_target.speculate_insn): Change type of the second parameter
4799 * lists.c (Copyright): Update date.
4800 (alloc_DEPS_LIST): Change signature. Update reference to the second
4801 operand of the DEPS_LIST.
4802 (copy_DEPS_LIST_list): Update reference to the second operand of the
4804 * rtl.h (Copyright): Update date.
4805 (alloc_DEPS_LIST): Update signature.
4806 * sched-int.h (Copyright): Update date.
4807 (ds_t): Change typedef to 'int'.
4808 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4810 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4812 * haifa-sched.c (Copyright): Update date.
4813 (try_ready): Change condition to restore non-speculative pattern
4815 (process_insn_depend_be_in_spec): Code to keep probability of the
4816 speculative dependence non-decreasing.
4818 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4820 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4821 shut up the compiler.
4823 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4825 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4826 to use lib prefix for target.
4827 ($(T)libic_invalidate_array_4-200.a): Likewise.
4828 ($(T)libic_invalidate_array_4a.a): Likewise.
4830 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4831 J"orn Rennecke <joern.rennecke@st.com>
4833 * superh.opt: New file.
4834 * sh.c (boardtype, osruntime): Remove.
4835 * superh.h (SUBTARGET_OPTIONS): Remove.
4836 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4838 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4839 arguments with ^ and/or [].
4841 * config.gcc (sh-*-*): Add quoting to account for quirk of
4843 Replace == with = in enable_incomplete_targets test.
4845 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4846 with MASK_LITTLE_ENDIAN.
4848 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4849 * config/sh/sh.opt: Added to some comments.
4850 * config/sh/superh.h: Removed some chaff.
4852 * config/sh/sh.opt: Add m4-[1234]00* options.
4853 * config/sh/sh.c (sh_handle_option): Likewise.
4854 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4855 (ic_invalidate_array_4-100.o): New rule.
4856 ($(T)libic_invalidate_array_4-100.a): Likewise.
4857 (ic_invalidate_array_4-200.o): Likewise.
4858 ($(T)libic_invalidate_array_4-200.a): Likewise.
4859 (ic_invalidate_array_4a.o): Likewise.
4860 ($(T)libic_invalidate_array_4a.a): Likewise.
4861 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4862 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4864 * config/sh/crt1.asm: Merged in profiling code.
4865 * config/sh/superh.h (STARTFILE_SPEC): Override.
4866 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4867 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4868 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4870 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4871 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4872 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4874 * sh.opt (mpretend-cmove): New option.
4875 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4876 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4877 (movsicc): Add TARGET_PRETEND_CMOVE code.
4879 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4881 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4882 s390_class_max_nregs): New function prototypes.
4883 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4884 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4885 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4886 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4888 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4890 * dwarf2out.c (add_location_or_const_value_attribute): Call
4891 tree_add_const_value_attribute if nothing else works.
4892 (reference_to_unused): New.
4893 (rtl_for_decl_init): Use reference_to_unused to decide whether
4894 to output an initializer.
4896 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4899 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4900 peephole removing spe frob_di_df_2.
4902 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4904 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4905 (subscript_dependence_tester_1): Declared.
4906 (print_dir_vectors, print_dist_vectors): New.
4907 (debug_data_dependence_relation): New.
4908 (dump_data_dependence_relation): Print more details.
4909 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4910 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4911 (save_dist_v, save_dir_v, add_outer_distances,
4912 build_classic_dist_vector_1): New.
4913 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4914 Don't test for lambda_vector_lexico_pos.
4915 (same_access_functions, add_multivariate_self_dist,
4916 add_other_self_distances, dir_from_dist): New.
4917 (build_classic_dir_vector): Replace implementation almost identical to
4918 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4920 (subscript_dependence_tester_1): New.
4921 (subscript_dependence_tester): Handle the lexicographically negative
4922 distance vectors by recomputing the dependence relation.
4923 (compute_affine_dependence): Remove parameter loop_nest_depth.
4924 (compute_self_dependence): Don't call compute_subscript_distance.
4925 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4926 Add a parameter for the loop_nest.
4927 (find_loop_nest_1, find_loop_nest): New.
4928 (compute_data_dependences_for_loop): Compute the loop nest, and give
4929 up if the nest is not well formed.
4930 * tree-data-ref.h (loop_p): New.
4931 (struct data_dependence_relation): Replace size_vect field with
4932 loop_nest, a vec of loops.
4933 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4934 (DDR_LOOP_NEST): New.
4935 (print_dir_vectors, print_dist_vectors,
4936 debug_data_dependence_relation): Declared.
4937 (index_in_loop_nest): New.
4938 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4939 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4942 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4944 * simplify-rtx.c (simplify_relational_operation): Call
4945 simplify_relational_operation_1 even if mode is VOIDmode.
4947 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4949 PR tree-optimization/26804
4950 * tree.h (DECL_CALL_CLOBBERED): New macro.
4951 (tree_decl_common): Add call_clobbered_flag.
4952 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4953 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4954 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4955 (mark_non_addressable): Ditto.
4956 * tree-ssa.c (verify_call_clobbered): New function.
4957 (verify_alias_info): Use it.
4958 * tree-pass.h (pass_reset_cc_flags): New prototype.
4959 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4960 (reset_cc_flags): New function.
4961 * passes.c (init_optimization_passes): Call reset_cc_flags after
4962 initializing referenced_vars.
4964 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4965 Roger Sayle <roger@eyesopen.com>
4968 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4969 to 1.0 for non-real operands. Implement A / A optimization for
4972 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4974 * config/i386/i386.c (size_cost): Correct the comment for
4975 cost of storing fp registers.
4976 (i386_cost): Likewise.
4977 (i486_cost): Likewise.
4978 (pentium_cost): Likewise.
4979 (pentiumpro_cost): Likewise.
4980 (k6_cost): Likewise.
4981 (athlon_cost): Likewise.
4982 (k8_cost): Likewise.
4983 (pentium4_cost): Likewise.
4984 (nocona_cost): Likewise.
4985 (generic64_cost): Likewise.
4986 (generic32_cost): Likewise.
4988 2006-03-24 Denis Chertykov <denisc@overta.ru>
4990 * config/avr/avr-protos.h (extra_constraint): Delete.
4991 (extra_constraint_Q): New declaration.
4992 * config/avr/constraints.md: New file.
4993 * config/avr/avr.md: Include it.
4994 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4995 (TMP_REGNO, ZERO_REGNO): Likewise.
4996 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4997 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4998 (extra_constraint): Delete.
4999 (extra_constraint_Q): Test for memory constraint 'Q'.
5000 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5001 (REG_CLASS_FROM_LETTER): Delete.
5002 (CONST_OK_FOR_LETTER_P): Delete.
5003 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5004 (EXTRA_CONSTRAINT): Delete.
5005 (TMP_REGNO): Delete.
5006 (ZERO_REGNO): Delete.
5008 2006-03-24 Jeff Law <law@redhat.com>
5010 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5011 directly. Call mark_new_vars_to_rename slightly earlier.
5013 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5015 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5017 (gen_compile_unit_die): Use new language types for Objective-C and
5019 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5020 DW_LANG_C_plus_plus.
5023 * config/t-darwin (crt3.o): Work around bug 26840.
5024 * config/darwin-crt3.c: Rewrite.
5025 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5027 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5029 * doc/invoke.texi: Document -femit-class-debug-always
5030 * common.opt: Add -femit-class-debug-always.
5032 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5034 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5035 index and base register.
5036 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5037 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5038 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5039 REGNO_OK_FOR_INDEX_P.
5040 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5042 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5043 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5044 REG_OK_FOR_BASE_P): Definitions removed.
5046 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5049 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5050 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5051 set yet or weren't marked as local yet.
5053 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5055 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5058 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5060 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5061 (rs6000_legitimate_small_data_p): Delete.
5062 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5063 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5064 and make static. Add forward declaration. Update uses.
5065 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5066 of offsettable_memref_p.
5067 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5068 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5070 2006-03-24 Jeff Law <law@redhat.com>
5072 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5073 around bug in immediate-use iterator.
5075 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5078 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5079 or __LITTLE_ENDIAN__.
5081 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5083 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5084 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5085 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5086 * config/sh/sh.opt (mdiv=): Amend description.
5087 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5088 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5089 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5090 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5091 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5092 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5093 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5094 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5095 TARGET_DIVIDE_CALL_FP.
5097 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5099 * haifa-sched.c (choose_ready): Fix type of the local variable.
5100 Move local variables. Add comment.
5101 (check_reg_live): Change signature. Make callable from debugger.
5102 * sched-int.h (check_reg_live): Update signature.
5103 * sched-ebb.c (check_reg_live): Update parameters.
5104 * sched-rgn.c (check_reg_live): Ditto.
5105 (region_head_or_leaf_p): Check pointer before dereferencing.
5106 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5107 before reload on optimization levels below 1.
5109 2006-03-23 Richard Henderson <rth@redhat.com>
5111 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5115 * config/alpha/predicates.md (local_symbolic_operand): Reject
5118 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5121 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5122 expressions which have overflowed constants.
5124 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5126 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5128 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5130 * cfgloopmanip.c (create_loop_notes): Removed.
5131 * final.c (final_scan_insn): Do not handle loop notes.
5132 * jump.c (squeeze_notes): Ditto.
5133 * cfglayout.c (skip_insns_after_block,
5134 duplicate_insn_chain): Ditto.
5135 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5137 * cfgloop.h (create_loop_notes): Declaration removed.
5139 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5141 * varasm.c (output_constant_pool): Restore fnname and fndecl
5143 (assemble_start_function): Adjust call accordingly.
5144 (assemble_end_function): Likewise.
5146 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5149 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5152 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5154 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5157 * system.h (ICE_EXIT_CODE): New macro.
5158 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5159 (diagnostic_action_after_output): Likewise.
5160 * gcc.c (fatal_ice): New function.
5161 (execute): Use it instead of fatal.
5162 (fancy_abort): Likewise.
5163 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5165 2006-03-22 Jeff Law <law@redhat.com>
5167 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5168 iv_analyze_result returning false.
5170 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5172 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5174 2006-03-22 Richard Henderson <rth@redhat.com>
5177 * except.c (duplicate_eh_regions_0): New.
5178 (duplicate_eh_region_1): Duplicate the children of the node as
5179 well as the node itself. Link them up properly.
5180 (duplicate_eh_region_2): Merge into ...
5181 (duplicate_eh_regions): ... here. Take copy_region argument, and
5182 copy only a sub-tree if asked. Simplify copying and fixup.
5183 (eh_region_outer_p): New.
5184 * except.h (duplicate_eh_regions): Update decl.
5185 (eh_region_outer_p): Declare.
5186 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5187 (lower_omp_master): Likewise.
5188 (lower_omp_ordered): Likewise.
5189 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5190 (move_stmt_r): Use it to remap labels. Handle recursion vs
5191 remap_decls_p properly.
5192 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5193 (find_outermost_region_in_block): New.
5194 (new_label_mapper): New.
5195 (move_sese_region_to_fn): Copy eh information to the new function
5197 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5199 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5202 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5204 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5205 into shared libraries.
5207 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5209 * doc/md.texi: Refer to i386/constraints.md instead of
5211 * config/i386/constraints.md: New file, extracted from...
5212 * config/i386/predicates.md: ...here.
5213 * config/i386/i386.md: Include constraints.md.
5215 2006-03-21 Jason Merrill <jason@redhat.com>
5217 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5220 * expr.c (init_block_move_fn): Force default visibility.
5221 (init_block_clear_fn): Likewise.
5222 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5223 * targhooks.c (default_external_stack_protect_fail): Likewise.
5225 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5227 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5228 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5229 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5230 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5231 (loadgp): Use mips_current_loadgp_style.
5232 (loadgp_noshared): New pattern.
5233 (sibcall_internal): Use MIPS_CALL.
5234 (sibcall_value_internal): Likewise.
5235 (sibcall_value_multiple_internal): Likewise.
5236 (call_internal): Likewise.
5237 (call_value_internal): Likewise.
5238 (call_value_multiple_internal): Likewise.
5239 (call_split): Use MIPS_CALL and add an 'S' constraint.
5240 (call_value_split): Likewise.
5241 (call_value_multiple_split): Likewise.
5242 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5243 (-mshared): New option.
5244 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5245 (mips_current_loadgp_style): Declare.
5246 * config/mips/mips.c (mips_classify_symbol): Avoid using
5247 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5248 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5249 TARGET_ABSOLUTE_ABICALLS.
5250 (override_options): Adjust comments. Improve the warning that is
5251 issued when -mabicalls and -G are used together.
5252 (mips_file_start): Remove comment.
5253 (mips_current_loadgp_style): New function.
5254 (mips_gnu_local_gp): New variable.
5255 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5257 (mips_output_function_prologue): Use mips_current_laodgp_style.
5258 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5259 the cprestore instruction.
5260 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5261 live for TARGET_ABSOLUTE_ABICALLS.
5262 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5263 (ASM_SPEC): Pass down -mshared and -mno-shared.
5264 (MIPS_CALL): New macro.
5265 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5267 * doc/invoke.texi (-mabicalls): Update documentation.
5268 (-mshared): Document.
5270 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5272 * config/ia64/unwind-hpux.c: New file.
5273 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5275 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5278 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5280 2006-03-21 Jeff Law <law@redhat.com>
5282 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5283 type conversions of a VR_VARYING source to a wider type.
5285 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5287 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5288 tm_file on Solaris 10 and later.
5289 (sparc64-*-solaris2*): Likewise.
5290 (sparc-*-solaris2*): Likewise.
5291 * config/sol26.h: Rename to config/sol2-6.h.
5292 * config/sol2-10.h: New file.
5294 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5297 * tree-ssa-pre.c (create_component_ref_by_pieces):
5300 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5303 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5304 return it immediately.
5306 2006-03-21 Michael Matz <matz@suse.de>
5308 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5310 (remove_arc, add_arc): Update num_out_arcs member.
5311 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5313 (cache_presence): New function.
5314 (compare_states_for_equiv): New function.
5315 (state_is_differed): Don't take number of outargs, adjust callers.
5316 Use new invariant for speeding up.
5317 (init_equiv_class): Create initial classes based on sorted
5319 (partition_equiv_class): Don't track out_arcs_num.
5320 (evaluate_equiv_classes): Call cache_presence on all states and
5323 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5325 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5326 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5327 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5328 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5330 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5331 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5332 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5333 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5334 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5336 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5337 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5338 (REGNO_REG_CLASS): ARGP is in PREGS.
5339 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5341 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5342 to deal with those addresses.
5343 * addresses.h: New file.
5344 * caller-save.c: Include "addresses.h".
5345 (init_caller_save): Use new base_reg_class function.
5346 * rtl-factoring.c: Include "addresses.h".
5347 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5348 * recog.c: Include "addresses.h".
5349 (preprocess_constraints): Use new base_reg_class function.
5350 * regrename.c: Include "addresses.h".
5351 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5352 functions. Keep track of a new var INDEX_CODE to compute valid
5354 (replace_oldest_value_addr): Likewise.
5355 (replace_oldest_value_mem): Use base_reg_class.
5356 * reload.c: Include "addresses.h".
5357 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5358 (find_reloads): Use new base_reg_class function.
5359 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5360 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5361 all callers and prototype changed.
5362 * reload1.c: Include "addresses.h".
5363 (maybe_fix_stack_asms): Use base_reg_class.
5364 * regclass.c: Include "addresses.h".
5365 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5366 (init_reg_autoinc): Use new base_reg_class function.
5367 (record_reg_classes): Likewise.
5368 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5369 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5370 Use new args to compute necessary class.
5372 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5373 regrename.o, rtl-factoring.o): Update dependencies.
5374 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5375 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5376 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5377 REG_OK_FOR_INDEX_P): Delete documentation.
5379 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5381 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5382 from V7 to V9 for Solaris 7 and above.
5384 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5386 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5387 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5388 argument pointers may not alias any other storage.
5389 * common.opt: Define option -fargument-noalias-anything.
5390 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5391 alias semantics is specified by flag_argument_noalias > 2.
5393 2006-03-20 Jeff Law <law@redhat.com>
5395 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5396 (pass_phi_only_cprop): Declare.
5397 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5399 * tree-ssa-dom.c (degenerate_phi_result): New function.
5400 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5401 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5402 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5403 (eliminate_degenerate_phis): Likewise.
5404 (pass_phi_only_cprop): New pass descriptor.
5405 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5406 support code. Callers updated.
5407 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5408 (store_copy_prop): Likewise.
5409 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5411 2006-03-20 Jason Merrill <jason@redhat.com>
5414 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5415 (push_visibility, pop_visibility): Likewise.
5416 * c-pragma.h: Declare them.
5418 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5420 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5422 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5423 parameter and use get_ebb_head_tail.
5424 (sh_md_init_global): Adjust uses of find_regmode_weight.
5426 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5428 * function.h (struct function) <x_tail_recursion_reentry>:
5429 Rename to x_stack_check_probe_note.
5430 (tail_recursion_reentry): Rename to stack_check_probe_note.
5431 * function.c: Replace tail_recursion_reentry with
5432 stack_check_probe_note everywhere.
5433 (expand_function_start): Only emit a note for
5434 stack_check_probe_note with -fstack-protect.
5435 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5437 * emit-rtl.c (remove_unnecessary_notes): Remove.
5438 (pass_remove_unnecessary_notes): Remove.
5439 * rtl.h (remove_unnecessary_notes): Remove prototype.
5440 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5441 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5442 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5444 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5447 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5448 (valid_in_set): Handle ARRAY_REF.
5449 Change "if min_variant or VH" to asserts.
5450 (create_component_ref_by_pieces): Handle ARRAY_REF.
5451 (create_expression_by_pieces): Likewise.
5452 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5454 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5456 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5457 is operand of switch, not str[0].
5459 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5461 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5462 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5464 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5466 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5467 end of insn_extra_address_constraint declaration.
5469 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5471 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5472 (no-sum-in-toc): Same.
5473 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5475 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5476 NO_FP_IN_TOC for -fPIC instead of mask.
5478 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5479 (BOOT_LDFLAGS): Delete.
5481 * config/rs6000/t-aix52: Same.
5483 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5484 (stmsi[345678]_power): New.
5486 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5488 * config/ia64/ia64.opt: Add empty line to end of file.
5490 2006-03-17 Richard Guenther <rguenther@suse.de>
5493 * builtins.c (get_pointer_alignment): For component style references
5494 adjust alignment to the component type alignment. Make sure
5495 to adjust alignment for component access of constants.
5497 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5499 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5502 2006-03-17 Paul Brook <paul@codesourcery.com>
5504 * doc/install.texi: Docuemnt --with-mode.
5505 * config.gcc: Add --with-mode for arm*-*-*.
5506 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5508 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5510 * sh.c (max_labelno_before_reorg): New variable.
5511 (sh_reorg): Initialize it.
5512 (find_barrier): Check max_labelno_before_reorg before using
5513 label_to_alignment. Take length of explicit alignment insns
5514 into account. When seeing a UNSPECV_CONST_END, return it.
5516 * sh.c (fixup_mova): Set mode of affected label to QImode.
5517 (untangle_mova): New function.
5518 (find_barrier): Use it. Check mode of label before decrementing
5520 (sh_reorg): Likewise.
5521 Set mode of all insns back to VOIDmode.
5523 * sh.c (MOVA_LABELREF): New macro.
5524 (mova_p, fixup_mova, sh_reorg): Use it.
5525 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5526 ADDR_DIFF_VEC matches mova.
5528 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5530 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5531 with ATTRIBUTE_UNUSED.
5533 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5535 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5536 pointer, instead of assuming it is possible to derive the
5537 correct args size from a call insn.
5539 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5541 * rtl.h (CONST_INT_P): Define.
5542 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5543 instead of GET_CODE(x) == CONST_INT.
5544 (vax_rtx_costs): Likewise.
5545 (vax_output_int_move): Likewise.
5546 (vax_output_int_add): Likewise.
5547 (legitimate_constant_address_p): Likewise.
5548 (index_term_p): Likewise.
5549 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5550 * config/vax/vax.md (and<mode>3): Likewise.
5551 (ashrsi3): Likewise.
5553 (movstricthi): Likewise.
5554 (movstrictqi): Likewise.
5555 (rotrsi3): Likewise.
5556 (five unnamed insns): Likewise.
5558 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5560 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5561 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5562 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5563 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5564 Pass to ASM_OUTPUT_DWARF_OFFSET.
5565 * dwarf2out.c (debug_frame_section): New.
5566 (output_call_frame_info): Use debug_frame_section. Pass it to
5567 dw2_asm_output_offset.
5568 (output_die): Pass appropriate section to dw2_asm_output_offset.
5569 (output_compilation_unit_header): Likewise.
5570 (output_pubnames): Likewise.
5571 (output_aranges): Likewise.
5572 (enum dw_val_class): Break dw_val_class_lbl_offset into
5573 dw_val_class_lineptr and dw_val_class_macptr.
5574 (add_AT_lbl_offset): Delete.
5575 (add_AT_lineptr): New.
5576 (add_AT_macptr): New.
5577 (AT_lbl): Expect a lineptr or macptr.
5578 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5579 (attr_checksum): Likewise.
5580 (same_dw_val_p): Likewise.
5581 (size_of_die): Likewise.
5582 (value_format): Likewise.
5583 (output_die): Likewise.
5584 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5586 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5587 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5588 * config/darwin-protos.h (darwin_file_start): New.
5589 (darwin_asm_output_dwarf_offset): New.
5590 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5591 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5593 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5594 if not EH section; simplify.
5595 (darwin_file_start): New.
5596 (darwin_asm_output_dwarf_offset): New.
5597 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5599 (DEBUG_INFO_SECTION): Likewise.
5600 (DEBUG_ABBREV_SECTION): Likewise.
5601 (DEBUG_ARANGES_SECTION): Likewise.
5602 (DEBUG_MACINFO_SECTION): Likewise.
5603 (DEBUG_LINE_SECTION): Likewise.
5604 (DEBUG_LOC_SECTION): Likewise.
5605 (DEBUG_PUBNAMES_SECTION): Likewise.
5606 (DEBUG_STR_SECTION): Likewise.
5607 (DEBUG_RANGES_SECTION): Likewise.
5608 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5609 (ASM_OUTPUT_DWARF_OFFSET): New.
5611 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5613 * config.gcc (tm_defines): Always add to previous value rather
5616 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5618 * config/mips/predicates.md (splittable_const_int_operand): New,
5619 split from move_operand.
5620 (splittable_symbolic_operand): New.
5621 (move_operand): Add commentary. Use splittable_const_int_operand.
5622 Inline mips_atomic_symbolic_constant_p.
5623 * config/mips/mips.md: Add combine splitters for handling moves
5624 of splittable_const_int_operands and splittable_symbolic_operands.
5625 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5626 (mips_split_symbol): Declare.
5627 (mips_move_integer): Declare.
5628 * config/mips/mips.c (mips_split_p): Make global.
5629 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5630 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5631 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5632 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5633 (mips_offset_within_object_p): Handle block symbols.
5634 (mips_atomic_symbolic_constant_p): Delete.
5635 (mips_cannot_force_const_mem): Return false for constants that
5636 mips_legitimize_move can handle.
5637 (mips_use_blocks_for_constant_p): New function.
5638 (mips_split_symbol): Make global.
5639 (mips_move_integer): Likewise. Add a temporary register argument.
5640 (mips_legitimize_const_move): Use splittable_const_int_operand and
5641 splittable_symbolic_operand.
5642 (mips_use_anchors_for_symbol_p): New function.
5643 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5644 (mips_split_p): Declare.
5646 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5648 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5649 (mips*-*-linux*): Likewise.
5651 2006-03-16 Roger Sayle <roger@eyesopen.com>
5652 Daniel Speyer <dspeyer@wam.umd.edu>
5655 * tree-dump.c (dump_real): New function.
5656 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5657 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5658 (tree-dump.o): Add $(REAL_H) to the dependencies.
5660 2006-03-16 Roger Sayle <roger@eyesopen.com>
5663 * real.c (real_from_string): If the mantissa is zero, don't bother
5664 parsing the exponent as the result should always be zero.
5666 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5668 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5670 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5672 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5673 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5674 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5675 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5676 ia64_sched_finish_global): New static functions to implement
5677 hooks from gcc_target.sched.
5678 (spec_check_no, max_uid, pending_data_specs): New static variables.
5679 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5680 ia64_spec_check_src_p): New static functions.
5681 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5682 (TARGET_SCHED_ADJUST_COST): Removed.
5683 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5684 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5685 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5686 TARGET_SCHED_GEN_CHECK,
5687 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5688 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5689 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5690 Fixed to handle speculation checks.
5691 (rtx_needs_barrier): Fixed to handle speculative loads and
5693 (ia64_variable_issue): Added code to count speculative loads and their
5695 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5697 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5699 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5701 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5702 (ia64_reorg): Reset stops_p to NULL after it is freed.
5703 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5704 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5705 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5707 (data_speculative, control_speculative, check_load): New attributes.
5708 (mov<mode>_advanced, mov<mode>_speculative,
5709 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5710 zero_extend<mode>di2_speculative,
5711 zero_extend<mode>di2_speculative_advanced): New patterns for
5712 data and control speculative loads.
5713 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5715 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5716 New pattern for data and control speculation checks.
5717 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5718 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5719 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5720 Auxiliary definitions for the patterns.
5721 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5722 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5724 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5726 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5727 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5728 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5729 New resource constraints.
5730 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5732 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5733 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5734 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5735 msched-in-control-spec, msched-ldc, msched-control-ldc,
5736 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5737 msched-prefer-non-control-spec-insns,
5738 msched-count-spec-in-critical-path): New flags to tune speculative
5740 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5741 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5742 msched-in-control-spec, msched-ldc, msched-control-ldc,
5743 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5744 msched-prefer-non-control-spec-insns,
5745 msched-count-spec-in-critical-path): Document new flags.
5747 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5749 * target.h (struct spec_info_def): New opaque declaration.
5750 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5751 speculate_insn, needs_block_p, gen_check,
5752 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5753 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5754 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5755 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5756 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5757 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5759 (TARGET_SCHED): Use new macros.
5760 * rtl.h (copy_DEPS_LIST_list): New prototype.
5761 * sched-int.h (struct sched_info): Change signature of new_ready field,
5762 adjust all initializations. New fields: add_remove_insn,
5763 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5764 region_head_or_leaf_p.
5765 (struct spec_info_def): New structure declaration.
5766 (spec_info_t): New typedef.
5767 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5768 recovery_block, orig_pat.
5769 (glat_start, glat_end): New variables declaraions.
5770 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5772 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5773 DETACH_LIFE_INFO, USE_GLAT.
5774 (enum SPEC_SCHED_FLAGS): New enumeration.
5775 (NOTE_NOTE_BB_P): New macro.
5776 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5777 attach_life_info, debug_spec_status, check_reg_live): New functions.
5778 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5779 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5781 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5782 * ddg.c (get_block_head_tail): Adjust all uses.
5783 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5784 (sms_sched_info): Initialize new fields.
5785 (contributes_to_priority): Removed.
5786 * haifa-sched.c (params.h): New include.
5787 (get_block_head_tail): Adjust all uses.
5788 (ISSUE_POINTS): New macro.
5789 (glat_start, glat_end): New global variables.
5790 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5791 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5792 old_last_basic_block, before_recovery, current_sched_info_var,
5793 rgn_n_insns, luid): New static variables.
5794 (insn_cost1): New function. Move logic from insn_cost to here.
5795 (find_insn_reg_weight1): New function. Move logic from
5796 find_insn_reg_weight to here.
5797 (reemit_notes, move_insn, max_issue): Change signature.
5798 (move_insn1): Removed.
5799 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5800 extend_bb): New static functions to support extension of scheduler's
5802 (generate_recovery_code, process_insn_depend_be_in_spec,
5803 begin_speculative_block, add_to_speculative_block,
5804 init_before_recovery, create_recovery_block, create_check_block_twin,
5805 fix_recovery_deps): New static functions to support
5806 generation of recovery code.
5807 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5808 restore_bb_notes, move_block_after_check, move_succs): New static
5809 functions to support ebb scheduling.
5810 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5811 functions to support handling of register live information.
5812 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5813 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5814 add_jump_dependencies): New static functions.
5815 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5816 consistancy checking.
5817 (debug_spec_status): New function to call from debugger.
5818 (priority): Added code to handle speculation checks.
5819 (rank_for_schedule): Added code to distinguish speculative instructions.
5820 (schedule_insn): Added code to handle speculation checks.
5821 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5822 Fixed to handle ebbs.
5823 (move_insn): Added code to handle ebb scheduling.
5824 (max_issue): Added code to use ISSUE_POINTS of instructions.
5825 (choose_ready): Added code to choose between speculative and
5826 non-speculative instructions.
5827 (schedule_block): Added code to handle ebb scheduling and scheduling of
5828 speculative instructions.
5829 (sched_init): Initialize new variables.
5830 (sched_finish): Free new variables. Print statistics.
5831 (try_ready): Added code to handle speculative instructions.
5832 * lists.c (copy_DEPS_LIST_list): New function.
5833 * sched-deps.c (extend_dependency_caches): New function. Move logic
5834 from create_dependency_caches to here.
5835 (get_dep_weak, ds_merge): Make global.
5836 * genattr.c (main): Code to output prototype for
5837 dfa_clear_single_insn_cache.
5838 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5839 (output_dfa_clean_insn_cache_func): Code to output
5840 dfa_clear_single_insn_cache function.
5841 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5843 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5845 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5846 New static variables.
5847 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5848 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5850 (ebb_sched_info): Initialize new fields.
5851 (get_block_head_tail): Adjust all uses.
5852 (compute_jump_reg_dependencies): Fixed to use glat_start.
5853 (schedule_ebb): Code to remove unreachable last block.
5854 (schedule_ebbs): Added code to update register live information.
5855 * sched-rgn.c (region_sched_info): Initialize new fields.
5856 (get_block_head_tail): Adjust all uses.
5857 (last_was_jump): Removed. Adjust users.
5858 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5859 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5860 Implement new hooks.
5861 (check_dead_notes1): New static function.
5862 (struct region): New fields: dont_calc_deps, has_real_ebb.
5863 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5864 (BB_TO_BLOCK): Fixed to handle EBBs.
5865 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5866 (ebb_head): New static variable.
5867 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5868 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5870 (compute_dom_prob_ps): New assertion.
5871 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5872 global_live_at_start.
5873 (init_ready_list): New assertions.
5874 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5875 (new_ready): Add support for BEGIN_CONTROL speculation.
5876 (schedule_insns): Fixed code that updates register live information
5878 (schedule_region): Fixed to handle EBBs.
5879 (init_regions): Use extend_regions and check_dead_notes1.
5880 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5881 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5882 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5883 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5884 TARGET_SCHED_GEN_CHECK,
5885 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5886 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5887 * doc/invoke.texi (max-sched-insn-conflict-delay,
5888 sched-spec-prob-cutoff): Document.
5890 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5892 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5893 inter_tick, queue_index.
5894 (struct sched_info): Change signature of init_ready_list field.
5895 Adjust all initializations.
5896 (RESOLVED_DEPS): New access macro.
5897 (ready_add): Remove prototype.
5898 (try_ready): Add prototype.
5899 * sched-rgn.c (init_ready_list): Use try_ready.
5900 (schedule_region): Initialize
5901 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5902 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5903 (init_ready_list): Use try_ready.
5904 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5905 * lists.c (remove_list_elem): Remove `static'.
5906 (remove_free_INSN_LIST_elem): New function.
5907 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5908 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5909 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5911 (readyp): New variable.
5912 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5913 change_queue_index, resolve_dep): New static functions.
5914 (try_ready): New function. Adjust callers in sched-rgn.c and
5915 sched-ebb.c to use it instead of ready_add.
5916 (clock_var): Move at the begining of file.
5917 (rank_for_schedule): Fix typo.
5918 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5919 (ready_lastpos): Enforce assertion.
5920 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5922 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5923 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5924 (queue_to_ready): Use free_INSN_LIST_list.
5925 (early_queue_to_ready): Fix typo.
5926 (schedule_block): Init readyp. Move init_ready_list call after the
5927 initialization of clock_var. Fix error in rejecting insn by
5928 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5929 that previously corrected INSN_TICKs. Add code for handling
5931 (set_priorities): Fix typo.
5932 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5933 Clarify comment and code that keeps current_sched_info->next_tail
5936 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5938 * sched-rgn.c (extend_rgns): New static function.
5939 (find_rgns): Use it.
5940 (gather_region_statistics, print_region_statistics): New static
5942 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5943 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5945 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5946 Andrey Belevantsev <abel@ispras.ru>
5948 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5949 * lists.c (unused_deps_list): New variable.
5950 (free_list): Add assertions to verify the proper distinguishing
5951 between INSN_LISTs and DEPS_LISTs.
5952 (find_list_elem, remove_list_elem, remove_list_node): New static
5954 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5955 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5956 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5957 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5959 (free_INSN_LIST_node): Likewise.
5960 * modulo-sched.c (current_sched_info): Initialize flags field.
5961 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5962 * rtl.def (DEPS_LIST): Define.
5963 * rtl.h: Declare new functions from lists.c.
5964 * sched-deps.c (spec_dependency_cache): New static variable.
5965 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5966 (add_dependence): Change return type to void. Move the logic to ...
5967 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5968 (delete_all_dependences): Add comment about forward_dependency_cache.
5969 Handle spec_dependency_cache. Handle DEPS_LISTs.
5970 (fixup_sched_groups): Clarify the change of priority of output
5971 and anti dependencies.
5972 (sched_analyze_2): Adjust add_dependence calls to create data
5973 speculative dependence.
5974 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5975 Adjust all callers. Handle DEPS_LISTS.
5976 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5977 presence of speculation.
5978 (init_dependency_caches, free_dependency_caches):
5979 Handle spec_dependency_cache.
5980 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5981 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5982 New static functions.
5983 (add_or_update_back_dep, add_or_update_back_forw_dep,
5984 add_back_forw_dep, delete_back_forw_dep): New functions.
5985 * sched-int.h (ds_t, dw_t): New typedefs.
5986 (struct sched_info): Add new field flags.
5987 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5988 Prototype new sched-deps.c functions.
5989 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5990 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5991 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5992 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5993 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5994 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5996 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5998 * sched-rgn.c (current_sched_info): Initialize flags field.
5999 (schedule_insns): Initialize current_sched_info before the sched_init
6001 * sched-ebb.c (current_sched_info): Initialize flags field.
6002 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6003 Call add_or_update_back_dep instead of add_dependence.
6004 Create control speculative dependencies.
6005 (schedule_insns): Initialize current_sched_info before the sched_init
6008 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6010 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6012 (sh_fallback_frame_state): Likewise.
6014 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6016 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6017 Do switch on default_use_cxa_atexit.
6018 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6019 * config/darwin-crt3.o: New.
6020 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6021 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6022 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6024 * config/rs6000/t-darwin: Move crt2.o building to here.
6025 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6026 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6029 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6031 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6032 from '! xxx' to '!xxx' for coding-style conformance.
6033 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6034 (EXTRA_CONSTRAINT): Likewise.
6035 * config/vax/vax.md (four unnamed insns): Likewise.
6037 2006-03-15 Paul Brook <paul@codesourcery.com>
6039 * config/arm/arm.c (minipool_pad): New.
6040 (add_minipool_forward_ref): Include pool alignment padding in address
6042 (push_minipool_fix): Set minipool_pad.
6043 (minipool_pad): Ditto.
6045 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6047 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6048 instead of GET_CODE() == MEM and REG_P() instead of
6050 (print_operand_address): Likewise.
6051 (vax_address_cost): Likewise.
6052 (vax_rtx_costs): Likewise.
6053 (vax_notice_update_cc): Likewise.
6054 (vax_output_int_add): Likewise.
6055 (INDEX_REGISTER_P): Likewise.
6056 (BASE_REGISTER_P): Likewise.
6057 (nonindexed_address_p): Likewise.
6058 (vax_mode_dependent_address_p): Likewise.
6059 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6060 (PRINT_OPERAND): Likewise.
6061 * config/vax/vax.md (ashlsi3): Likewise.
6062 (ashlsi3): Likewise.
6063 (some more unnamed insns): Likewise.
6065 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6067 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6068 iterator-style macro.
6069 (mark_control_dependent_edges_necessary): Update the use of
6070 EXECUTE_IF_CONTROL_DEPENDENT.
6072 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6074 * config/sh/predicates.md (cache_address_operand): Special.
6075 (ua_address_operand): Likewise.
6077 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6079 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6081 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6083 2006-03-15 Andreas Schwab <schwab@suse.de>
6085 * gensupport.c (identify_predicable_attribute): Don't free p_false
6086 when it is still in use.
6088 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6090 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6091 the default setting here.
6093 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6095 * tree-pass.h (pass_cfg): Remove.
6096 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6097 * passes.c (pass_cfg): Don't run it.
6099 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6101 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6102 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6104 (stack_regs_mentioned): Update the uses of
6105 stack_regs_mentioned_data. Don't access the array beyond its
6107 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6108 Don't include gt-reg-stack.h.
6110 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6111 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6113 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6116 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6119 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6121 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6123 2006-03-14 Richard Guenther <rguenther@suse.de>
6125 PR tree-optimization/26672
6126 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6129 2006-03-14 Richard Guenther <rguenther@suse.de>
6131 PR tree-optimization/26667
6132 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6133 node for the callees. Always allow inlining if it will shrink
6136 2006-03-14 Richard Guenther <rguenther@suse.de>
6139 * builtins.c (get_pointer_alignment): Prefer alignment
6140 information from decls over that from types.
6142 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6145 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6147 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6149 * config/rs6000/rs6000.opt (mdlmzb): New option.
6150 (msched-prolog, msched-epilog): Use Var not Mask.
6151 * doc/invoke.texi (-mdlmzb): Document.
6152 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6154 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6155 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6157 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6159 PR rtl-optimization/25739
6160 * bt-load.c (augment_live_range): Free tos pointer.
6162 * gensupport.c (identify_predicable_attribute): Free
6164 * gcov.c (create_file_names): Free name pointer.
6166 2006-03-13 Roger Sayle <roger@eyesopen.com>
6169 * stmt.c (emit_case_nodes): Handle the case where the index is a
6170 CONST_INT, where the comparison mode is specified by the index type.
6172 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6174 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6177 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6179 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6180 (*branch_fp_inverted): Likewise.
6182 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6185 * omp-low.c (expand_omp_for_generic): Mark istart0
6186 and iend0 as addressable.
6188 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6190 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6192 2006-03-13 Jeff Law <law@redhat.com>
6194 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6195 virtual operands are interesting.
6196 (vrp_visit_stmt): Corresponding changes.
6198 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6200 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6202 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6203 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6204 * config/bfin/crti.S: Use it instead of __PIC__.
6205 * config/bfin/crtn.S: Likewise.
6207 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6208 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6210 Lose 'G' modifier for call operand.
6211 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6212 recognize 'G' modifier.
6214 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6217 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6218 * stmt.c (expand_case): Likewise.
6220 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6222 PR rtl-optimization/26254
6223 * loop-invariant.c (seq_insns_valid_p): New function.
6224 (move_invariant_reg): Only emit new code if it is valid.
6226 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6228 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6230 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6231 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6232 (commit_one_edge_insertion): Do not look for loop notes.
6234 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6236 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6237 flag_test_coverage out of loop.
6239 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6241 * final.c (shorten_branches): Remove outdated comment, and turn
6242 the if branch that guards it to continue.
6244 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6246 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6247 * cfgloop.h (struct loop): Remove unused fields.
6249 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6251 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6252 (-dL, -fdump-rtl-loop2): Update the dump file names
6254 * doc/invoke.texi: Update dump file names.
6256 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6258 * predict.c (estimate_probability): Remove.
6259 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6260 * basic-block.h (estimate_probability): Remove prototype.
6261 * passes.c (finish_optimization_passes): Dump branch prediction or
6262 profiling heuristics to the .profile tree dump.
6263 (init_optimization_passes): Unqueue pass_branch_prob.
6265 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6267 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6269 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6270 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6272 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6274 * function.h (frame_offset_overflow): Declare.
6275 * function.c (frame_offset_overflow): New function.
6276 (assign_stack_local_1): Call it to detect that the offset overflows.
6277 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6279 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6281 * config/sh/sh.c: Include alloc-pool.h.
6282 (label_ref_list_pool): New alloc pool.
6283 (label_ref_list_t): New type for lists of labels.
6284 (struct pool_node): Make wend a label_ref_list_t.
6285 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6287 (dump_table): Likewise.
6288 (sh_reorg): Set up the alloc pool before using add_constant and
6289 dump_table, and destroy it when finishing.
6291 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6293 * config/mips/mips.c: Remove redundant comment.
6295 2006-03-10 Jason Merrill <jason@redhat.com>
6298 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6299 the target was declared 'register'.
6301 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6303 * genpreds.c (write_insn_constraint_len): Change definition of
6304 insn_constraint_len to return size_t to match the declaration.
6306 2006-03-10 DJ Delorie <dj@redhat.com>
6308 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6310 (m32c_expand_insv): Fix test for an AND mask.
6312 2006-03-10 Richard Guenther <rguenther@suse.de>
6315 * builtins.c (get_pointer_alignment): Handle component
6316 references for field alignment.
6318 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6320 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6321 when building with libgloss.
6322 (sh*elf): Implement --without-fp option.
6323 (sh64-superh-linux*): Don't multilib.
6325 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6327 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6329 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6331 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6332 Set it when one of the replacement functions returned true.
6333 Return TODO_cleanup_cfg if cfgchanged is true.
6334 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6336 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6338 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6339 instead of gen_lowpart.
6341 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6343 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6345 (mips_output_order_conditional_branch): Declare.
6346 * config/mips/mips.h (MIPS_BRANCH): New macro.
6347 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6348 for the comparison. Use gen_condjump.
6349 (mips_output_conditional_branch): Rework interface to take the
6350 asm templates for a direct branch and the inverse of a direct branch.
6351 (mips_output_order_conditional_branch): New function.
6352 (mips_builtin_branch_and_move): New function.
6353 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6354 branch condition. Use gen_single_cc as the condition for
6355 __builtin_mips_upper_* or __builtin_mips_lower_*.
6356 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6357 Use VOIDmode for the branch condition.
6358 * config/mips/predicates.md (order_operator): New predicate.
6359 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6360 (branch_fp): Rename to...
6361 (*branch_fp): ...this. Remove mode from comparison operator.
6362 Use new mips_output_conditional_branch interface.
6363 (branch_fp_inverted): Rename to...
6364 (*branch_fp_inverted): ...this and update as for *branch_fp.
6365 (*branch_zero<mode>): Rename to...
6366 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6367 Use mips_output_order_conditional_branch. Only accept ordered
6369 (*branch_zero<mode>_inverted): Rename to...
6370 (*branch_order<mode>_inverted): ...this and update as for
6371 *branch_order<mode>.
6372 (*branch_equality<mode>): Accept zero as the second operand to
6373 the equality operator. Use the new mips_output_conditional_branch
6375 (*branch_equality<mode>_inverted): Likewise.
6376 (condjump): New expander.
6377 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6379 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6380 (bc1any2t, bc1any2f): Likewise.
6381 (single_cc): New expander.
6382 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6384 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6386 * doc/md.texi: Update documentation of MIPS constraints.
6387 * config/mips/constraints.md: New file.
6388 * config/mips/mips.md: Include it.
6389 * config/mips/mips.c (mips_char_to_class): Delete.
6390 (override_options): Don't initialize mips_char_to_class.
6391 * config/mips/mips.h (mips_char_to_class): Delete.
6392 (REG_CLASS_FROM_LETTER): Delete.
6393 (CONST_OK_FOR_LETTER_P): Delete.
6394 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6395 (EXTRA_CONSTRAINT_Y): Delete.
6396 (EXTRA_CONSTRAINT_STR): Delete.
6397 (CONSTRAINT_LEN): Delete.
6398 (EXTRA_MEMORY_CONSTRAINT): Delete.
6400 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6402 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6403 original fn's eh regions.
6405 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6407 * fold-const.c (build_range_check): Make sure to use a valid type to
6408 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6411 (range_predecessor): New static function.
6412 (range_successor): Likewise.
6413 (merge_ranges): Use them to compute predecessors and successors of
6416 2006-03-09 Roger Sayle <roger@eyesopen.com>
6419 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6420 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6422 2006-03-08 DJ Delorie <dj@redhat.com>
6424 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6425 (addpsi3): Expand to include memory operands. Remove
6426 reload-specific splits.
6427 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6428 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6429 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6430 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6431 (shift1_qi, shift1_hi, insv): New.
6432 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6433 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6434 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6436 * config/m32c/m32c-protos.h: Update as needed.
6437 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6438 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6439 Fail for unrecognized R* constraints.
6440 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6441 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6442 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6444 (m32c_init_libfuncs): New.
6445 (m32c_legitimate_address_p): Add debug wrapper.
6446 (m32c_rtx_costs): New.
6447 (m32c_address_cost): New.
6448 (conversions): Add 'B' prefix.
6449 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6450 operands, or word regnames for QI operands. 'B' prints bit
6452 (m32c_expand_setmemhi): New.
6453 (m32c_expand_movmemhi): New.
6454 (m32c_expand_movstr): New.
6455 (m32c_expand_cmpstr): New.
6456 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6457 (m32c_expand_neg_mulpsi3): Handle non-ints.
6458 (m32c_cmp_flg_0): New.
6459 (m32c_expand_movcc): New.
6460 (m32c_expand_insv): New.
6461 (m32c_scc_pattern): New.
6462 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6463 a0/a1 out of SIregs.
6464 (STORE_FLAG_VALUE): New.
6465 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6468 * config/m32c/mov.md: Make constraints more liberal.
6469 (zero_extendqihi2): Optimize r0/r1 case.
6470 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6471 * config/m32c/predicates.md (m32c_any_operand): New.
6472 (m32c_nonimmediate_operand): New.
6473 (m32c_hl_operand): New.
6474 (m32c_r3_operand): New.
6477 (memsym_operand): New.
6478 (memimmed_operand): New.
6479 (a_qi_operand): New.
6480 (m32c_eqne_operator): New.
6481 (m32c_1bit8_operand): New.
6482 (m32c_1bit16_operand): New.
6483 (m32c_1mask8_operand): New.
6484 (m32c_1mask16_operand): New.
6485 * config/m32c/blkmov.md: New file.
6486 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6488 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6490 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6491 unsigned to fix signed/unsigned comparison issue in
6492 DWARF2_FRAME_REG_OUT.
6493 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6494 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6496 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6497 of ptr into the ENABLE_CHECKING section.
6499 2006-03-08 Jeff Law <law@redhat.com>
6501 * tree-vrp.c (infer_value_range): Only count pointer uses
6502 and dereferences if -fdelete-null-pointer-checks is enabled.
6504 * tree-vrp.c (find_assert_locations): Infer value ranges for
6505 single use pointers, but do not create ASSERT_EXPRs for them.
6506 When a non-null range is inferred for a pointer, backwards
6507 propagate that range to other equivalent pointers through the
6510 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6513 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6514 language hook targets.
6515 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6516 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6517 if language hook targets were missing.
6519 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6521 * tree-ssa-opfinalize.h: Removed.
6522 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6524 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6525 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6526 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6527 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6528 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6529 finalize_ssa_v_must_def_ops): New.
6531 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6533 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6536 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6538 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6540 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6541 addresses with offsets; reorganize.
6543 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6544 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6545 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6547 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6550 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6552 2006-03-08 Ben Elliston <bje@au.ibm.com>
6554 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6556 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6559 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6562 2006-03-07 Richard Guenther <rguenther@suse.de>
6564 PR tree-optimization/26587
6565 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6567 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6569 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6571 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6573 * hooks.c (hook_bool_mode_rtx_true): New function.
6574 * hooks.h (hook_bool_mode_rtx_true): Declare.
6575 * toplev.c (compile_file): Call output_shared_constant_pool.
6576 * varasm.c (shared_constant_pool): New variable.
6577 (assemble_start_function, assemble_end_function): Remove arguments
6578 from call to output_constant_pool.
6579 (create_constant_pool): New function, split out from...
6580 (init_varasm_status): ...here.
6581 (force_const_mem): Choose between the shared and per-function constant
6582 pools. Set current_function_uses_const_pool when reusing old entries
6583 as well as when creating new ones.
6584 (mark_constant): Ignore data argument.
6585 (mark_constants): Remove pool argument.
6586 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6587 to decide whether the function uses a constant pool.
6588 (output_constant_pool_contents): New function, split out from...
6589 (output_constant_pool): ...here.
6590 (output_shared_constant_pool): New function.
6591 (init_varasm_once): Initialize shared_constant_pool.
6592 * output.h (output_constant_pool): Delete.
6593 (output_shared_constant_pool): Declare.
6594 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6595 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6597 2006-03-06 Nick Clifton <nickc@redhat.com>
6599 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6600 flag_strength_reduce.
6602 2006-03-06 Ben Elliston <bje@au.ibm.com>
6604 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6605 x86_64-*-linux* configurations.
6607 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6608 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6610 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6612 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6614 * basic-block.h: Remove the extern for
6615 rediscover_loops_after_threading.
6617 * cfgloop.c (cancel_loop): Make it static.
6618 * cfgloop.h: Remove the prototype for cancel_loop.
6620 * flow.c (recompute_reg_usage): Make it static.
6621 * rtl.h: Remove the prototype for recompute_reg_usage.
6623 * function.c (use_return_register): Make it static.
6624 * function.h: Remove the prototype.
6626 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6628 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6630 * recog.h: Remove the prototype for
6631 validate_change_maybe_volatile.
6633 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6635 * rtlanal.c (replace_reg): Remove.
6636 * rtl.h: Remove the prototype for replace_reg.
6638 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6640 * regclass.c (reg_scan_update): Remove.
6641 (reg_scan_mark_refs): Remove the last argument.
6642 * rtl.h: Remove the prototype for reg_scan_update.
6644 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6646 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6647 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6648 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6649 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6650 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6651 loop-invariant.c, omp-low.c, opts.c, passes.c,
6652 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6653 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6654 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6655 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6656 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6657 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6659 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6661 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6662 * dwarf2out.h: Remove the prototype for
6663 dwarf2out_add_library_unit_info.
6665 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6667 * tree.c (add_var_to_bind_expr): Remove.
6668 * tree.h: Remove the prototype for add_var_to_bind_expr.
6670 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6672 * regclass.c (n_non_fixed_regs): Remove.
6673 (init_reg_sets_1, globalize_reg): Remove all uses of
6675 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6677 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6679 * rtlanal.c (insns_safe_to_move_p): Remove.
6680 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6682 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6684 * expmed.c (expand_mult_add): Remove.
6685 * expr.h: Remove the prototype for expand_mult_add.
6687 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6689 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6690 and REG_SAVED_VAL_EXP constants.
6691 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6692 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6693 Handle regs stored by value.
6694 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6695 (execute_cfa_program): Handle DW_CFA_val_offset,
6696 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6697 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6698 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6699 (uw_install_context_1): Handle target regs stored by value.
6701 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6703 * tree-sra.c (tree_sra): Return todoflags;
6704 (generate_one_element): Set TODO_update_smt_usage if needed.
6705 (pass_sra): Remove TODO_update_smt_usage.
6706 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6708 (tree_ssa_forward_propagate_single_use_vars): Return
6709 TODO_update_smt_usage if we need to update SMT usage.
6710 (pass_forwprop): Remove TODO_update_smt_usage.
6712 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6714 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6715 (correct_use_link): Remove reference to get_stmt_operands.
6716 (update_stmt_operands): Likewise.
6717 (get_modify_expr_operands): New function factored out of
6718 parse_ssa_operands and get_expr_operands.
6719 Try to create V_MUST_DEFs for LHS by default.
6720 (get_expr_operands) <case MODIFY_EXPR>: Call
6721 get_modify_expr_operands.
6722 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6723 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6724 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6725 get_modify_expr_operands.
6727 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6729 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6730 * tree-flow.h: Remove the prototype for
6731 referenced_var_lookup_if_exists.
6733 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6735 PR rtl-optimization/26345
6737 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6739 2006-03-03 Roger Sayle <roger@eyesopen.com>
6741 PR tree-optimization/26524
6742 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6743 fold_convert to create a constant of the appropriate type.
6745 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6747 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6748 SYMBOL_REF_IN_BLOCK_P.
6749 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6750 of SYMBOL_FLAG_IN_BLOCK.
6751 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6752 instead of SYMBOL_REF_IN_BLOCK_P.
6753 * explow.c (use_anchored_address): Likewise.
6754 * rtl.c (rtx_size): Likewise.
6755 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6756 instead of SYMBOL_FLAG_IN_BLOCK.
6757 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6758 SYMBOL_REF_IN_BLOCK_P.
6759 (assemble_variable): Likewise.
6760 (output_constant_def_contents): Likewise.
6761 (output_constant_pool): Likewise.
6762 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6763 instead of SYMBOL_FLAG_IN_BLOCK.
6764 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6765 SYMBOL_REF_IN_BLOCK_P.
6766 (SYMBOL_REF_BLOCK): Likewise.
6767 (SYMBOL_REF_OFFSET): Likewise.
6768 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6769 SYMBOL_REF_IN_BLOCK_P.
6770 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6771 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6772 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6773 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6775 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6777 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6779 2006-03-02 Roger Sayle <roger@eyesopen.com>
6781 * simplify-rtx.c (simplify_unary_operation): When simplifying
6782 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6783 that we perform the right shift in the appropriate mode, and
6784 then extend or truncate the result to requested mode.
6786 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6788 * gengtype.c (main): Handle double_int type.
6789 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6790 * double-int.c: New file.
6791 * double-int.h: New file.
6792 * system.h: Include doubleint.h.
6793 * Makefile.in (SYSTEM_H): Include double-int.h.
6794 (double-int.o): Add.
6796 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6799 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6802 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6804 * tree-vrp.c (remove_range_assertions): Do not update statements
6807 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6809 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6811 * gcse.c (rest_of_handle_gcse): Ditto.
6812 * except.c (gate_handle_eh): Ditto.
6813 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6814 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6816 2006-03-02 Eric Christopher <echristo@apple.com>
6818 * config/i386/i386.c (machopic_output_stub): Add indirection to
6821 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6825 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6827 Sun Niagara specific optimizations.
6828 * config.gcc: Recognize niagara as target.
6829 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6830 (TARGET_CPU_niagara): Define.
6831 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6832 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6833 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6834 (ASM_CPU_SPEC): Likewise.
6835 (PROCESSOR_NIAGARA): New enum entry.
6836 (REGISTER_MOVE_COST): Handle Niagara.
6837 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6838 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6839 (sparc_override_options): Recognize "niagara", set appropriate
6840 default MASK_* values for it, and align functions to 32-bytes
6841 by default just like ULTRASPARC/ULTRASPARC3.
6842 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6843 (sparc64_initialize_trampoline): Likewise.
6844 (sparc_use_sched_lookahead): Use zero for niagara.
6845 (sparc_issue_rate): Use one for niagara.
6846 * config/sparc/niagara.md: New file.
6847 * config/sparc/sparc.md: Include it.
6848 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6849 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6850 when default cpu is niagara.
6851 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6852 (ASM_CPU_SPEC): Likewise.
6853 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6854 when default cpu is niagara.
6855 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6856 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6857 just like v9/ultrasparc/ultrasparc3.
6858 * doc/invoke.texi: Add documentation for "niagara" and improve
6859 existing documentation for ultrasparc variants.
6861 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6863 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6865 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6867 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6868 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6869 and say that only one is needed.
6870 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6871 * target.h (have_switchable_bss_sections): New hook.
6872 * explow.c (use_anchored_address): Check that the symbol is in a block.
6873 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6874 (bss_noswitch_section): New variables.
6875 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6876 (get_noswitch_section): New function.
6877 (get_block_for_section): Allow SECT to be null.
6878 (unlikely_text_section_p): Use SECTION_STYLE.
6879 (bss_initializer_p): New function.
6880 (get_variable_section): Move earlier in file. Take a new argument,
6881 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6882 Return one of the new *_sections in such cases.
6883 (get_block_for_decl): New function, extracting some logic from
6884 use_blocks_for_decl_p.
6885 (change_symbol_section): Remove in favor of...
6886 (change_symbol_block): ...this new function.
6887 (use_blocks_for_decl_p): Remove checks now performed by
6889 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6890 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6891 (emit_local, emit_bss, emit_common): ...these new functions.
6892 Return true if the alignment was honored.
6893 (emit_tls_common): New function.
6894 (asm_emit_uninitialised): Delete.
6895 (assemble_variable_noswitch): New function, split out from...
6896 (assemble_variable): ...here. Don't make decisions about common
6897 variables here. Globalize all public decls that go into non-common
6898 sections. Check whether SYMBOL_REF_BLOCK is null.
6899 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6900 (output_constant_pool): Likewise.
6901 (init_varasm_once): Initialize the new section variables.
6902 (have_global_bss_p): New function.
6903 (categorize_decl_for_section): Use bss_initializer_p.
6904 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6905 (place_block_symbol): Assert that the symbol must be in a block.
6906 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6907 (TARGET_INITIALIZER): Include it.
6908 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6909 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6910 (SECTION_MACH_DEP): Bump by two.
6911 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6912 (unnamed_section): Mention SECTION_UNNAMED in comment.
6913 (named_section): Likewise SECTION_NAMED.
6914 (noswitch_section_callback): New type.
6915 (noswitch_section): New structure.
6916 (section): Add a noswitch_section alternative.
6917 (SECTION_STYLE): New macro.
6918 (tls_comm_section, comm_section, lcomm_section): Declare.
6919 (bss_noswitch_section, have_global_bss_p): Declare.
6920 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6921 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6923 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6924 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6927 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6929 * tree-vrp.c (execute_vrp): Return value.
6930 * regrename.c (rest_of_handle_regrename): Ditto.
6931 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6932 * tree-complex.c (tree_lower_complex): Ditto.
6933 (tree_lower_complex_O0): Ditto.
6934 * tracer.c (rest_of_handle_tracer): Ditto.
6935 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6936 * postreload.c (rest_of_handle_postreload): Ditto.
6937 * tree-tailcall.c (execute_tail_recursion): Ditto.
6938 (execute_tail_calls): Ditto.
6939 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6940 * tree.h (init_function_for_compilation): Ditto.
6941 * ipa-cp.c (ipcp_driver): Ditto.
6942 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6943 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6944 * final.c (compute_alignments): Ditto.
6945 (rest_of_handle_final): Ditto.
6946 (rest_of_handle_shorten_branches): Ditto.
6947 (rest_of_clean_state): Ditto.
6948 * omp-low.c (execute_expand_omp): Ditto.
6949 (execute_lower_omp): Ditto.
6950 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6951 * ipa-reference.c (static_execute): Ditto.
6952 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6953 * reorg.c (rest_of_handle_delay_slots): Ditto.
6954 (rest_of_handle_machine_reorg): Ditto.
6955 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6956 * flow.c (recompute_reg_usage): Ditto.
6957 (rest_of_handle_remove_death_notes): Ditto.
6958 (rest_of_handle_life): Ditto.
6959 (rest_of_handle_flow2): Ditto.
6960 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6961 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6962 (do_ssa_store_ccp): Ditto.
6963 (execute_fold_all_builtins): Ditto.
6964 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6965 * modulo-sched.c (rest_of_handle_sms): Ditto.
6966 * ipa-pure-const.c (static_execute): Ditto.
6967 * cse.c (rest_of_handle_cse): Ditto.
6968 (rest_of_handle_cse2): Ditto.
6969 * web.c (rest_of_handle_web): Ditto.
6970 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6971 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6972 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6973 * tree-nrv.c (tree_nrv): Ditto.
6974 (execute_return_slot_opt): Ditto.
6975 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6976 (create_structure_vars): Ditto.
6977 * loop-init.c (rtl_loop_init): Ditto.
6978 (rtl_loop_done): Ditto.
6979 (rtl_move_loop_invariants): Ditto.
6980 (rtl_unswitch): Ditto.
6981 (rtl_unroll_and_peel_loops): Ditto.
6982 (rtl_doloop): Ditto.
6983 * gimple-low.c (lower_function_body): Ditto.
6984 (mark_used_blocks): Ditto.
6985 * tree-ssa-sink.c (execute_sink_code): Ditto.
6986 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6987 (cgraph_early_inlining): Ditto.
6988 * global.c (rest_of_handle_global_alloc): Ditto.
6989 * jump.c (cleanup_barriers): Ditto.
6990 (purge_line_number_notes): Ditto.
6991 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6992 (rest_of_handle_if_after_reload): Ditto.
6993 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6994 (tree_ssa_loop_im): Ditto.
6995 (tree_ssa_loop_unswitch): Ditto.
6996 (tree_vectorize): Ditto.
6997 (tree_linear_transform): Ditto.
6998 (tree_ssa_loop_ivcanon): Ditto.
6999 (tree_ssa_empty_loop): Ditto.
7000 (tree_ssa_loop_bounds): Ditto.
7001 (tree_complete_unroll): Ditto.
7002 (tree_ssa_loop_prefetch): Ditto.
7003 (tree_ssa_loop_ivopts): Ditto.
7004 (tree_ssa_loop_done): Ditto.
7005 * predict.c (tree_estimate_probability): Ditto.
7006 * recog.c (split_all_insns_noflow): Ditto.
7007 (rest_of_handle_peephole2): Ditto.
7008 (rest_of_handle_split_all_insns): Ditto.
7009 * tree-eh.c (lower_eh_constructs): Ditto.
7010 * regmove.c (rest_of_handle_regmove): Ditto.
7011 (rest_of_handle_stack_adjustments): Ditto.
7012 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7013 * function.c (instantiate_virtual_regs): Ditto.
7014 (init_function_for_compilation): Ditto.
7015 (rest_of_handle_check_leaf_regs): Ditto.
7016 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7017 (rest_of_handle_gcse): Ditto.
7018 * ipa-type-escape.c (type_escape_execute): Ditto.
7019 * alias.c (rest_of_handle_cfg): Ditto.
7020 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7021 * profile.c (rest_of_handle_branch_prob): Ditto.
7022 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7023 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7024 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7025 * tree-dfa.c (find_referenced_vars): Ditto.
7026 * except.c (set_nothrow_function_flags): Ditto.
7027 (convert_to_eh_region_ranges): Ditto.
7028 (rest_of_handle_eh): Ditto.
7029 * emit-rtl.c (unshare_all_rtl): Ditto.
7030 (remove_unnecessary_notes): Ditto.
7031 * except.h (set_nothrow_function_flags): Ditto.
7032 (convert_to_eh_region_ranges): Ditto.
7033 * cfgexpand.c (tree_expand_cfg): Ditto.
7034 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7035 * tree-ssa-pre.c (do_pre): Ditto.
7036 (execute_fre): Ditto.
7037 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7038 (rest_of_handle_jump2): Ditto.
7039 * tree-sra.c (tree_sra): Ditto.
7040 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7041 (execute_mudflap_function_decls): Ditto.
7042 * tree-ssa-copy.c (do_copy_prop): Ditto.
7043 (do_store_copy_prop): Ditto.
7044 * ipa-prop.h (ipcp_driver): Ditto.
7045 * cfglayout.c (insn_locators_initialize): Ditto.
7046 * tree-ssa-forwprop.c
7047 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7048 * cfglayout.h (insn_locators_initialize): Ditto.
7049 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7050 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7051 (execute_late_warn_uninitialized): Ditto.
7052 * rtl.h (cleanup_barriers): Ditto.
7053 (split_all_insns_noflow): Ditto.
7054 (purge_line_number_notes): Ditto.
7055 (unshare_all_rtl): Ditto.
7056 (remove_unnecessary_notes): Ditto.
7057 (recompute_reg_usage): Ditto.
7058 (variable_tracking_main): Ditto.
7059 * integrate.c (emit_initial_value_sets): Ditto.
7060 * integrate.h (emit_initial_value_sets): Ditto.
7061 * tree-optimize.c (execute_free_datastructures): Ditto
7062 (execute_free_cfg_annotations): Ditto.
7063 (execute_fixup_cfg): Ditto.
7064 (execute_cleanup_cfg_pre_ipa): Ditto.
7065 (execute_cleanup_cfg_post_optimizing): Ditto.
7066 (execute_init_datastructures): Ditto.
7067 * tree-object-size.c (compute_object_sizes): Ditto.
7068 * combine.c (rest_of_handle_combine): Ditto.
7069 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7070 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7071 (rest_of_handle_reorder_blocks): Ditto.
7072 (rest_of_handle_partition_blocks): Ditto.
7073 * var-tracking.c (variable_tracking_main): Ditto.
7074 * tree-profile.c (tree_profiling): Ditto.
7075 * tree-vect-generic.c (expand_vector_operations): Ditto.
7076 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7077 * sched-rgn.c (rest_of_handle_sched): Ditto.
7078 (rest_of_handle_sched2): Ditto.
7079 * basic-block.h (free_bb_insn): Ditto.
7080 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7081 * tree-cfg.c (execute_build_cfg): Ditto.
7082 (remove_useless_stmts): Ditto.
7083 (split_critical_edges): Ditto.
7084 (execute_warn_function_return): Ditto.
7085 (execute_warn_function_noreturn): Ditto.
7086 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7087 * cfgrtl.c (free_bb_for_insn): Ditto.
7088 * passes.c (execute_one_pass): Run additional
7089 todos returned by execute function.
7090 * tree-pass.h (struct tree_opt_pass): Make execute
7093 2006-03-02 Richard Guenther <rguenther@suse.de>
7095 * tree-ssa-alias.c (find_used_portions): Consider taking
7096 the address as making the variable not write-only.
7098 2006-03-02 Nick Clifton <nickc@redhat.com>
7100 * config.gcc (default_use_cxa_atexit): Extend the description of
7101 this configure variable. Set its default value to "yes" for
7102 Linux, NetBSD and ELF targets on the assumption that they will
7103 use C libraries with the __cxa_atexit function.
7105 2006-03-02 Ben Elliston <bje@au.ibm.com>
7107 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7108 parameter as unused to suppress a build warning.
7110 2006-03-02 Ben Elliston <bje@au.ibm.com>
7112 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7115 2006-03-01 Roger Sayle <roger@eyesopen.com>
7118 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7119 declared name, the weak reference name, and the typeof name.
7120 (__gthrw): Avoid expanding the declared name suffix.
7121 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7123 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7125 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7127 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7128 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7129 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7130 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7131 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7132 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7133 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7134 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7135 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7136 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7137 (DW_END_default, DW_END_big, DW_END_little): New.
7138 (DW_END_lo_user, DW_END_hi_user): Define.
7139 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7140 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7141 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7144 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7146 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7148 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7150 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7152 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7154 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7155 to 'symbol_mem_tag'.
7157 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7160 2006-03-01 Roger Sayle <roger@eyesopen.com>
7162 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7164 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7167 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7168 MACHO_DYNAMIC_NO_PIC_P.
7169 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7171 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7174 * config/darwin-protos.h (darwin_asm_output_anchor):
7176 * config/darwin-sections.def (cstring_section):
7177 Add SECTION_MERGE to the flags.
7178 (literal4_section): Likewise.
7179 (literal8_section): Likewise.
7180 (objc_selector_refs_section): Likewise.
7181 (objc_cls_refs_section): Likewise.
7182 * config/darwin.c (darwin_asm_output_anchor): New
7184 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7186 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7188 Fix PR tree-optimization/26443
7189 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7190 to todo and PROP_tmt_usage to properties_destroyed.
7191 * tree-ssa-ccp.c (pass_ccp): Ditto.
7192 (pass_store_ccp): Ditto.
7193 * tree-ssa-dom.c (pass_dominator): Ditto.
7195 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7197 * tree-ssa-operands.c: Cleanup whitespace.
7198 (get_asm_expr_operands): Move before first invocation.
7199 (get_indirect_ref_operands): Likewise.
7200 (get_tmr_operands): Likewise.
7201 (get_call_expr_operands): Likewise.
7202 (append_def): Likewise.
7203 (append_use): Likewise.
7204 (append_v_may_def): Likewise.
7205 (append_v_must_def): Likewise.
7206 (add_call_clobber_ops): Likewise.
7207 (add_call_read_ops): Likewise.
7208 (add_stmt_operand): Likewise.
7209 (add_virtual_operand): Likewise.
7210 (build_ssa_operands): Likewise.
7212 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7217 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7218 with a call expr to ...
7219 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7221 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7223 * tree-vrp.c (extract_range_from_assert): Remove special
7224 handling for types with super-types.
7226 2006-03-01 Ben Elliston <bje@au.ibm.com>
7228 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7229 and powerpc64-*-linux* configurations.
7230 * config/t-dfprules: New file.
7232 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7233 Compile dfp-bit.c from the source directory using -DWIDTH and
7234 $DFP_CFLAGS to control the compilation of that file, rather than
7235 generating width-specific versions in the build directory.
7236 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7237 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7239 2006-02-28 Zack Weinberg <zackw@panix.com>
7241 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7244 2006-02-28 Eric Christopher <echristo@apple.com>
7246 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7247 Set up IN_LIBGCC definition of TARGET_64BIT.
7248 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7250 2006-02-28 Roger Sayle <roger@eyesopen.com>
7253 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7254 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7255 cases via the construction of "expr != 0".
7257 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7259 * alias.c (alias_invariant, alias_invariant_size): Remove.
7260 (record_base_value): Remove.
7261 (memrefs_conflict_p): Don't look at alias_invariant.
7262 (end_alias_analysis): Don't free it.
7263 * alias.h (record_base_value): Remove prototype.
7265 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7266 Adam Nemet <anemet@caviumnetworks.com>
7268 * rtl.h (truncated_to_mode): Declare it.
7269 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7270 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7271 (RTL_HOOKS_INITIALIZER): Include it.
7272 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7273 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7274 reg_truncated_to_mode.
7275 * rtlanal.c (truncated_to_mode): Define it.
7276 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7278 2006-02-28 Jeff Law <law@redhat.com>
7280 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7281 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7282 the range allowed by TYPE_PRECISION.
7284 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7286 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7288 PR tree-optimization/26419
7289 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7292 2006-02-27 Zack Weinberg <zackw@panix.com>
7294 * doc/md.texi: Fix typo in previous change.
7296 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7300 2006-02-27 Zack Weinberg <zackw@panix.com>
7302 * rtl.def (define_constraint, define_register_constraint)
7303 (define_memory_constraint, define_address_constraint): New MD forms.
7304 * gensupport.c (process_rtx): Put define_constraint etc on the
7306 * genpreds.c (process_define_predicate): Adjust comment. Validate
7307 the name, and call validate_exp to validate the expression.
7308 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7309 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7310 all callers changed.
7311 (validate_exp, needs_variable, struct constraint_data)
7312 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7313 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7314 (const_dbl_constraints, constraint_max_namelen)
7315 (have_register_constraints, have_memory_constraints)
7316 (have_address_constraints, have_address_constraints)
7317 (have_extra_constraints, have_const_int_constraints)
7318 (have_const_dbl_constraints, mangle, add_constraint)
7319 (process_define_constraint, process_define_register_constraint)
7320 (write_enum_constraint_num, write_lookup_constraint)
7321 (write_insn_constraint_len, write_regclass_for_constraint)
7322 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7323 (write_insn_extra_memory_constraint)
7324 (write_insn_extra_address_constraint)
7325 (write_satisfies_constraint_fns): New.
7326 (write_tm_preds_h): If we have new-style constraint definitions,
7327 prototype the functions generated from them, and define the
7328 old constraint interface (still used by generic code) in terms of
7330 (write_insn_preds_c): If we have new-style constraint definitions,
7331 generate all relevant functions from those definitions.
7332 (main): Handle define_constraint etc.
7333 * genoutput.c (struct constraint_data, indep_constraints)
7334 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7335 (mdep_constraint_len): New data structures and functions, defined
7336 #ifdef USE_MD_CONSTRAINTS.
7337 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7338 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7339 use new logic to validate operand constraints against constraint
7341 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7343 * defaults.h: If none of the old-style constraint macros are
7344 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7345 old-style macros; and poison REG_CLASS_FROM_LETTER,
7346 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7348 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7349 * doc/md.texi: Document new constraint-definition mechanism and the
7350 C interface it provides. Remove references to old mechanism
7351 elsewhere in the document.
7352 (Machine Constraints): Use pathnames relative to gcc directory,
7353 i.e. config/ARCH/FILE. Change i386 section to refer to
7354 config/i386/predicates.md; update that section to match docstrings.
7355 * doc/tm.texi: Move all documentation of the old constraint-
7356 definition macros to their own section, clearly mark as obsolete.
7358 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7359 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7361 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7362 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7363 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7365 (splits and peepholes): Use satisfies_constraint_*.
7366 * config/i386/i386.c (memory_address_length)
7367 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7369 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7371 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7372 scalar operation to be put back into the loop.
7374 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7377 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7378 (extract_cie_info): Handle S flag in augmentation string.
7379 (execute_cfa_program): If context->signal_frame, execute also
7380 fs->pc == context->ra instructions.
7381 (uw_frame_state_for): If context->signal_frame, don't subtract one
7382 from context->ra to find FDE.
7383 (uw_update_context_1): Set context->signal_frame to
7385 (_Unwind_GetIPInfo): New function.
7386 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7387 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7389 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7390 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7391 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7392 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7393 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7394 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7395 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7396 x86_64_fallback_frame_state): Set fs->signal_frame.
7397 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7398 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7399 (frob_update_context): Likewise. Workaround missing S flag in
7400 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7401 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7402 Remove the psw_addr + 1 hack.
7404 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7406 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7407 with aggregates here.
7408 (find_func_aliases): Remove code for &<aggregate> from here.
7410 2006-02-26 Roger Sayle <roger@eyesopen.com>
7412 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7413 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7414 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7417 2006-02-26 Roger Sayle <roger@eyesopen.com>
7420 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7422 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7424 * opts.c (decode_options): Do not handle flag_strength_reduce.
7425 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7426 and OPT_fstrength_reduce.
7427 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7428 flag_prefetch_loop_arrays for being nonzero.
7429 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7431 (fprefetch-loop-arrays-rtl): Removed.
7432 (flag_prefetch_loop_arrays): Do not specify the value.
7434 * doc/passes.texi: Update documentation of loop optimizer
7436 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7437 -frerun-loop-opt): Remove.
7439 2006-02-26 Richard Guenther <rguenther@suse.de>
7441 PR tree-optimization/26421
7442 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7443 in function calls that are ADDR_EXPRs as using the whole structure.
7445 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7447 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7448 * tree-pass.h (pass_loop_optimize): Remove.
7449 * passes.c (pass_loop_optimize): Never run it.
7450 * toplev.c (backend_init): Don't call init_loop.
7451 * opts.c (flag_loop_optimize_set): Remove.
7452 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7453 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7454 the old RTL loop optimizer when profiling enabled.
7455 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7456 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7457 pre-headers for the sake of the old RTL loop optimizer.
7458 * Makefile.in: Remove all references to loop.o.
7460 * doc/invoke.texi: Remove all references to -floop-optimize
7461 and -frerun-loop-opt.
7463 2006-02-26 Zack Weinberg <zackw@panix.com>
7465 * doc/md.texi (Machine Constraints): Refer to all files with paths
7466 relative to gcc directory (i.e. config/CPU/file). Add missing
7467 @table @code ... @end table to M32C subsection.
7469 2006-02-26 Roger Sayle <roger@eyesopen.com>
7471 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7473 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7475 2006-02-26 Roger Sayle <roger@eyesopen.com>
7476 James A. Morrison <phython@gcc.gnu.org>
7479 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7480 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7481 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7482 signedness of the shift operation.
7484 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7486 PR tree-optimization/26359
7487 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7489 2006-02-25 Roger Sayle <roger@eyesopen.com>
7491 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7492 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7493 as X == 0, and some symmetry related transformations.
7494 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7496 2006-02-25 Roger Sayle <roger@eyesopen.com>
7499 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7500 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7501 symmetry related transformations. Fold (X^C1) == C2 as
7504 2006-02-25 Juergen Weigert <jw@suse.de>
7505 Richard Guenther <rguenther@suse.de>
7507 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7509 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7511 * combine.c (gen_lowpart_or_truncate): Call
7512 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7514 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7516 * doc/invoke.texi: Move -fopenmp description to "Options for
7518 Remove reference to -lgomp.
7520 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7522 * doc/install.texi: Require GNU tar version 1.14.
7524 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7526 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7527 * doc/invoke.texi (C++ Dialect Options): Document
7528 -fno-use-cxa-get-exception-ptr.
7529 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7530 * configure: Regenerate.
7531 * c.opt (fuse-cxa-get-exception-ptr): New.
7532 * c-opts.c (c_common_handle_option): Handle
7533 OPT_fuse_cxa_get_exception_ptr.
7534 * c-common.c (flag_use_cxa_atexit): Update documentation.
7535 (flag_use_cxa_get_exception_ptr): New.
7536 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7537 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7539 (C_COMMON_OVERRIDE_OPTIONS): New.
7541 2006-02-24 Roger Sayle <roger@eyesopen.com>
7544 * combine.c (try_combine): Explicitly check whether GET_CODE is
7545 a SET or a CLOBBER, instead on checking that it isn't a USE.
7547 2006-02-24 Roger Sayle <roger@eyesopen.com>
7549 * fold-const.c (fold_comparison): New subroutine of fold_binary
7550 containing transformations common to both the equality and
7551 ordering relational operators, factored out of fold_binary.
7552 (fold_binary): Separate out the equality operators (EQ_EXPR
7553 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7554 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7555 transformations common to both.
7556 (fold_div_compare): Fix latent bugs in the previously unreachable
7557 LT_EXPR and GE_EXPR cases.
7559 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7561 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7562 decl libname for clog to __clog on AIX.
7564 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7566 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7569 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7570 output traceback table for thunks. Localise rs6000_stack_info call.
7572 2006-02-23 Roger Sayle <roger@eyesopen.com>
7573 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7575 * gthr-posix.h (__gthrw): Fix typo in comment.
7577 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7579 * doc/cpp.texi (Character sets): Document that we do support
7580 input files to be in any character set.
7582 2006-02-23 Jeff Law <law@redhat.com>
7584 * tree.h (PHI_ARG_NONZERO): Remove.
7585 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7586 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7587 node to the new node.
7589 PR tree-optimization/26425
7590 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7591 min/max, then assume its varying.
7593 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7595 PR rtl-optimization/26316
7596 * rtlanal.c (enum may_trap_p_flags): New.
7597 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7598 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7599 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7600 (may_trap_after_code_motion_p): New function.
7601 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7602 (find_invariant_insn): Use may_trap_after_code_motion_p.
7603 * rtl.h (may_trap_after_code_motion_p): Declare.
7605 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7607 * emit-rtl.c (immed_double_const): Cleanup.
7609 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7611 Fix PR tree-optimization/26376
7612 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7615 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7618 * gimplify.c (omp_add_variable): Guard variable size decl test with
7619 DECL_SIZE (decl) check.
7621 2006-02-23 Richard Guenther <rguenther@suse.de>
7624 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7625 like aggregate types.
7627 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7629 * configure.ac: Add --with{,out}-long-double-128 configure option.
7630 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7631 * configure: Rebuilt.
7632 * config.in: Rebuilt.
7633 * doc/install.texi (Options specification): Document
7634 --with-long-double-128.
7636 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7637 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7638 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7639 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7641 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7643 * config/s390/s390.c (override_options): Handle
7644 TARGET_DEFAULT_LONG_DOUBLE_128.
7646 * config/alpha/alpha.c (override_options): Handle
7647 TARGET_DEFAULT_LONG_DOUBLE_128.
7649 * config/sparc/sparc.c (sparc_override_options): Handle
7650 TARGET_DEFAULT_LONG_DOUBLE_128.
7652 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7654 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7655 (real-install-headers-tar, real-install-headers-cpio)
7656 (real-install-headers-cp): New targets.
7658 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7660 * tree.h (variable_section): Delete.
7661 * varasm.c (variable_section): Delete.
7663 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7665 * install.texi: Add notes on install.texi2html.
7666 (Building in parallel): Do not use footnotes.
7668 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7671 * doc/install.texi (Configuration): Document --disable-libgomp.
7673 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7675 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7677 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7679 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7680 (vec_extractv2df_0_sse): New.
7682 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7684 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7685 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7686 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7687 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7688 to the result of the expression.
7689 (def_cfa_1): Adjust.
7690 (frame_pointer_cfa_offset): Rename to...
7691 (frame_pointer_fb_offset): ... this. Adjust all uses.
7692 (convert_cfa_to_loc_list): Rename to...
7693 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7694 Pass it on to build_cfa_loc.
7695 (compute_frame_pointer_to_cfa_displacement): Rename to...
7696 (compute_frame_pointer_to_fb_displacement): ... this. New
7697 offset parameter. Use it in computation.
7698 (gen_subprogram_die): Compute cfa_fb_offset with the new
7699 macro, and use it to compute the fb loc list and the
7702 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7704 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7705 replaced with register_operand.
7706 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7707 non-DREG is expensive.
7708 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7709 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7712 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7714 * doc/install.texi2html: Use set -e.
7716 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7718 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7719 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7720 * doc/invoke.texi (-fshared-data): Delete.
7721 * common.opt (fshared-data): Delete.
7722 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7723 (assemble_static_space): Remove #if 0 code.
7724 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7725 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7726 * config/cris/cris.h: Remove FIXME.
7728 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7730 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7733 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7736 * combine.c (simplify_shift_const_1): Disable nested shifts
7737 optimization for vector shifts.
7739 2006-02-20 Roger Sayle <roger@eyesopen.com>
7741 PR tree-optimization/26361
7742 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7743 of unsigned integer types.
7745 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7747 * tree-chrec.c (eq_evolutions_p): New.
7748 * tree-chrec.h (eq_evolutions_p): Declared.
7749 * tree-data-ref.c: Fix formatting.
7750 (datadep_stats, dependence_stats): New.
7752 (print_direction_vector): New.
7753 (dump_data_dependence_relation): Use print_direction_vector.
7754 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7755 (compute_subscript_distance): Static.
7756 (initialize_data_dependence_relation): Static. Get the number
7757 of loops surrounding the references from the callers, and initialize
7758 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7759 base_object_differ_p analyzers.
7760 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7761 compute_overlap_steps_for_affine_1_2,
7762 analyze_subscript_affine_affine): Count the classified dependences.
7763 Print a message when a test failed.
7764 (can_use_analyze_subscript_affine_affine): New.
7765 (analyze_siv_subscript): Compute the data dependences on symbolic
7766 scevs that verify can_use_analyze_subscript_affine_affine.
7767 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7768 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7769 Handle symbolic scevs.
7770 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7772 (subscript_dependence_tester): Moved...
7773 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7774 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7775 DDR_SIZE_VECT instead of getting it in parameter.
7776 (subscript_dependence_tester): ... here. Take as a parameter
7777 loop_nest_depth. Call build_classic_dist_vector and
7778 build_classic_dir_vector.
7779 (compute_affine_dependence): Update subscript_dependence_tester
7780 parameters. Update datadep_stats counters. Call
7781 compute_subscript_distance.
7782 (compute_self_dependence): Save the dist and dir vectors. Call
7783 compute_subscript_distance.
7784 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7785 (compute_all_dependences): Reorder parameters as they were before
7786 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7787 compute_subscript_distance. Update the use of
7788 compute_affine_dependence and initialize_data_dependence_relation.
7789 (find_data_references_in_loop): Handle COMPONENT_REF.
7790 (compute_data_dependences_for_loop): Initialize dependence_stats.
7791 Don't call build_classic_dist_vector and build_classic_dir_vector.
7792 Update the parameters of initialize_data_dependence_relation and
7793 compute_all_dependences. Print the statistics from datadep_stats.
7794 (analyze_all_data_dependences): Static. Not used until the pass for
7795 checking the data dependences is contributed.
7796 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7797 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7798 (initialize_data_dependence_relation, compute_affine_dependence,
7799 analyze_all_data_dependences, compute_subscript_distance): Removed.
7800 (print_direction_vector): New.
7801 * lambda.h (gcd): ... here.
7802 (lambda_vector_gcd): Moved here from gcd_vector.
7803 * lambda-code.c (gcd, gcd_vector): Removed.
7804 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7805 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7807 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7809 * ipa-type-escape.c: Tidy some comments and white space.
7810 * tree-ssa-operands.c: Likewise.
7812 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7815 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7816 (dump_decl_name): Do not walk the decl tree chains.
7817 * tree-pass.h (TDF_CHAIN): Remove.
7819 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7821 * Makefile.in (C): Remove
7823 (.PHONY): Remove C and PROTO
7825 2006-02-20 Roger Sayle <roger@eyesopen.com>
7828 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7829 deprecated CHAR_TYPE tree code.
7831 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7833 * configure.ac (target_list): Add install-info, dvi, html.
7834 * configure: Regenerate.
7836 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7837 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7838 treelang/Make-lang.in: Do not use double-colon rules.
7840 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7842 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7843 (TMT_USED_ALONE): New macro.
7844 * tree-pass.h (PROP_tmt_usage): New property.
7845 (TODO_update_tmt_usage): New todo.
7846 * tree-ssa-alias.c (updating_used_alone): New variable.
7847 (recalculate_used_alone): New function.
7848 (compute_may_aliases): Set updating_used_alone, call
7849 recalculate_used_alone.
7850 * tree-sra.c (pass_sra): Note that this pass destroys
7851 PROP_tmt_usage, and add TODO_update_tmt_usage.
7852 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7853 * tree-flow.h (updating_used_alone): Prototype.
7854 (recalculate_used_alone): Ditto.
7855 * passes.c (execute_todo): Add code to set updating_used_alone,
7856 and call recalculate.
7857 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7858 for clobber if used alone, and add assert to verify used_alone
7861 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7863 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7864 for non tls symbols added.
7865 (legitimize_address): Do nothing for PLUS expressions if one of the
7866 addends is a tls symbol reference.
7868 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7872 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7874 * Makefile.in (BOOTSTRAPPING): New.
7875 (quickstrap): New definition if BOOTSTRAPPING=yes.
7877 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7878 * configure.ac: Substitute all_selected_languages with the languages
7879 that were configured. For all the other variables except
7880 lang_specs_files, include all the languages in the tree.
7881 * configure: Regenerate.
7883 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7884 if there is one. Run the commands to run fixincludes in the same
7887 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7888 * doc/install.texi: Document exact conventions for searching target tools.
7889 Document --with-build-time-tools. Document toplevel bootstrap. Document
7890 something more about building an Ada cross-compiler. Don't list GNU Make
7891 requirements which affect all platforms.
7893 2006-02-19 Roger Sayle <roger@eyesopen.com>
7896 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7897 only equivalent if the have both the same mode and precision.
7899 2006-02-20 Ben Elliston <bje@au.ibm.com>
7901 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7903 2006-02-19 Roger Sayle <roger@eyesopen.com>
7904 Steven Bosscher <stevenb.gcc@gmail.com>
7906 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7907 constant pool references to identify stack mode constants.
7908 * rtlanal.c (constant_pool_constant_p): New predicate to check
7909 whether operand is a floating point constant in the pool.
7910 * rtl.h (constant_pool_constant_p): Prototype here.
7911 * loop.c (scan_loop): Avoid hoisting constants from the constant
7912 pool on STACK_REGS targets.
7913 (load_mems): Likewise.
7914 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7915 loads into x87 registers expensive in terms of register pressure.
7917 2006-02-19 Roger Sayle <roger@eyesopen.com>
7919 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7920 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7922 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7924 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7925 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7927 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7929 * doc/invoke.texi: Document -fipa-pta.
7930 * common.opt: Add ipa-pta option.
7931 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7932 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7933 (do_ds_constraint): Ditto.
7934 (get_constraint_for): Only add to referenced_vars if
7935 referenced_vars exists.
7936 (insert_into_field_list): Rewrite to do this unsorted.
7937 (insert_into_field_list_sorted): Rename old insert_into_field_list
7939 (create_function_info_for): Use insert_into_field_list_sorted.
7940 (create_variable_info_for): Rewrite so it uses unsorted version,
7941 since the field list is sorted.
7942 (intra_create_variable_infos): Only add to referenced_vars if
7943 referenced_vars exists.
7944 (ipa_pta_execute): Init heapvars, and delete when done.
7945 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7947 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7949 * doc/install.texi: Add missing `@samp'.
7951 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7953 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7956 2006-02-18 Mark Wielaard <mark@klomp.org>
7958 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7959 who added new 4.1 features, bug fixes and integration support.
7961 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7964 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7967 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7969 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7970 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7971 (copy_insn_1): Likewise. Don't copy each field individually.
7973 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7975 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7976 * rtl.c (rtx_size): Rename variable to...
7977 (rtx_code_size): ...this.
7978 (rtx_size): New function.
7979 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7980 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7982 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7983 * rtl.h (rtx_code_size): New variable.
7984 (rtx_size): Change from a variable to a function.
7985 (RTX_SIZE): Rename to...
7986 (RTX_CODE_SIZE): ...this.
7989 PR tree-optimization/17106
7990 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7991 (Anchored Addresses): New section.
7992 * doc/invoke.texi (-fsection-anchors): Document.
7993 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7994 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7995 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7996 * hooks.c (hook_bool_mode_rtx_false): New function.
7997 * hooks.h (hook_bool_mode_rtx_false): Declare.
7998 * gengtype.c (create_optional_field): New function.
7999 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8000 SYMBOL_REF_IN_BLOCK_P is true.
8001 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8002 (min_anchor_offset, max_anchor_offset): Likewise.
8003 (use_anchors_for_symbol_p): New hook.
8004 * toplev.c (compile_file): Call output_object_blocks.
8005 (target_supports_section_anchors_p): New function.
8006 (process_options): Check that -fsection-anchors is only used on
8007 targets that support it and when -funit-at-a-time is in effect.
8008 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8009 if the decl doesn't have one.
8010 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8011 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8012 of force_const_mem through use_anchored_address.
8013 (expand_expr_constant): New function.
8014 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8015 calling expand_expr for INDIRECT_REF.
8016 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8017 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8018 * expr.h (use_anchored_address): Declare.
8019 * loop-unroll.c: Don't declare rtx vectors here.
8020 * explow.c: Include output.h.
8021 (validize_mem): Call use_anchored_address.
8022 (use_anchored_address): New function.
8023 * common.opt (-fsection-anchors): New switch.
8024 * varasm.c (object_block_htab, anchor_labelno): New variables.
8025 (hash_section, object_block_entry_eq, object_block_entry_hash)
8026 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8027 (use_blocks_for_decl_p, change_symbol_section): New functions.
8028 (get_variable_section): New function, split out from assemble_variable.
8029 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8030 use_blocks_for_decl_p say so. Use change_symbol_section if the
8031 symbol has already been created.
8032 (assemble_variable_contents): New function, split out from...
8033 (assemble_variable): ...here. Don't output any code for
8034 block symbols; just pass them to place_block_symbol.
8035 Use get_variable_section and assemble_variable_contents.
8036 (get_constant_alignment, get_constant_section, get_constant_size): New
8037 functions, split from output_constant_def_contents.
8038 (build_constant_desc): Create a block symbol if use_object_blocks_p
8039 says so. Or into SYMBOL_REF_FLAGS.
8040 (assemble_constant_contents): New function, split from...
8041 (output_constant_def_contents): ...here. Don't output any code
8042 for block symbols; just pass them to place_section_symbol.
8043 Use get_constant_section and get_constant_alignment.
8044 (force_const_mem): Create a block symbol if use_object_blocks_p and
8045 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8046 (output_constant_pool_1): Add an explicit alignment argument.
8047 Don't switch sections here.
8048 (output_constant_pool): Adjust call to output_constant_pool_1.
8049 Switch sections here instead. Don't output anything for block symbols;
8050 just pass them to place_block_symbol.
8051 (init_varasm_once): Initialize object_block_htab.
8052 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8053 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8054 (place_block_symbol, get_section_anchor, output_object_block)
8055 (output_object_block_htab, output_object_blocks): New functions.
8056 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8057 (TARGET_ASM_OUT): Include it.
8058 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8059 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8060 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8061 (TARGET_INITIALIZER): Include them.
8062 * rtl.c (rtl_check_failed_block_symbol): New function.
8063 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8064 (block_symbol, object_block): New structures.
8065 (rtx_def): Add a block_symbol field to the union.
8066 (BLOCK_SYMBOL_CHECK): New macro.
8067 (rtl_check_failed_block_symbol): Declare.
8068 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8069 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8070 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8071 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8072 * output.h (output_section_symbols): Declare.
8073 (object_block): Name structure.
8074 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8075 (default_use_anchors_for_symbol_p): Declare.
8076 * Makefile.in (RTL_BASE_H): Add vec.h.
8077 (explow.o): Depend on output.h.
8078 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8079 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8080 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8081 (rs6000_use_blocks_for_constant_p): New function.
8083 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8085 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8087 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8090 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8093 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8095 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8099 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8102 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8103 instead of DECL_REGISTER.
8105 2006-02-18 Olivier Hainque <hainque@adacore.com>
8108 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8110 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8113 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8114 * opth-gen.awk: Handle Var and InverseMask together.
8115 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8116 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8117 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8118 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8120 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8121 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8122 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8123 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8124 LINUX_DYNAMIC_LINKER): Define.
8125 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8126 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8128 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8129 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8130 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8131 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8132 (TARGET_C99_FUNCTIONS): Don't define.
8133 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8134 GLIBC_DYNAMIC_LINKER.
8135 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8136 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8137 GLIBC_DYNAMIC_LINKER64): Define.
8138 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8139 LINUX_DYNAMIC_LINKER64.
8140 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8141 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8142 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8143 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8144 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8145 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8146 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8147 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8148 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8149 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8150 and LINUX_DYNAMIC_LINKER32.
8151 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8152 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8153 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8154 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8155 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8157 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8158 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8159 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8160 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8161 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8162 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8163 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8164 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8165 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8166 LINUX_DYNAMIC_LINKER): Define.
8167 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8168 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8169 GLIBC_DYNAMIC_LINKER64): Define.
8170 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8171 LINUX_DYNAMIC_LINKER64.
8172 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8173 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8174 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8175 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8176 LINUX_DYNAMIC_LINKER): Define.
8177 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8178 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8179 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8180 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8181 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8182 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8183 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8184 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8185 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8186 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8187 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8188 * doc/invoke.texi (-muclibc): Remove caveat about supported
8191 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8193 * doc/cpp.texi (__TIMESTAMP__): Document.
8195 2006-02-17 Roger Sayle <roger@eyesopen.com>
8198 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8199 C is one less than the width of X (and related transformations).
8200 * simplify-rtx.c (simplify_unary_operation_1): Transform
8201 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8202 depending on STORE_FLAG_VALUE, were C is one less then the
8205 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8207 Fix PR tree-optimization/26341
8208 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8209 about NAME_MEMORY_TAG's.
8211 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8214 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8215 with hardware float support, and software float support. Add fcpy
8216 alternative to hardware patterns. Add alternatives to copy between
8217 general and floating-point registers to the 32-bit pattern.
8218 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8219 secondary reload to load a QI or HI mode constant into a floating
8221 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8222 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8224 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8227 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8229 (load_macho_picbase_di): Likewise.
8231 2006-02-16 Jeff Law <law@redhat.com>
8233 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8234 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8235 (ssa_name_nonzero_p): Likewise.
8236 (get_value_range): Return NULL if VRP is not running.
8237 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8238 VRP routines do not discover a range.
8239 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8240 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8241 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8242 (tree_expr_nonnegative_p): Similarly.
8243 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8244 (restore_nonzero_vars_to_original_value): Remove.
8245 (unsafe_associative_fp_binop): Remove.
8246 (tree_ssa_dominator_optimize): Remove initialization and
8247 finalization of nonzero_vars and nonzero_vars_stack.
8248 (dom_opt_initialize_block): No longer push marker on
8250 (dom_opt_finalize_block): No longer call
8251 restore_nonzero_vars_to_original_value.
8252 (record_equivalences_from_phis): No longer look for
8253 nonzero PHI arguments.
8254 (cprop_into_successor_phis): No longer propagate nonzero
8255 property into PHI arguments. Lose unused argument. Caller
8257 (record_equivalences_from_stmt): No longer record nonzero
8258 values for SSA_NAMEs.
8259 (lookup_avail_expr): No longer use nonzero_vars.
8261 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8262 for sizetype when sizetype is unsigned.
8264 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8266 PR rtl-optimization/25603
8267 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8268 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8269 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8270 with new meaning of SETS.
8272 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8277 * config/linux.opt: New file.
8278 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8279 LINUX_DYNAMIC_LINKER): Define.
8280 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8281 * config.gcc (*-*-linux*): Define extra_options.
8282 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8283 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8284 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8285 GLIBC_DYNAMIC_LINKER.
8286 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8287 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8288 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8289 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8290 * doc/invoke.texi (GNU/Linux Options): New section.
8292 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8294 * config/sparc/sparc.md (setjmp): Rewrite.
8295 (setjmp_32): Delete.
8296 (setjmp_64): Likewise.
8298 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8300 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8303 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8305 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8308 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8310 PR rtl-optimization/26296
8311 * Makefile.in (loop-invariant.c): Add except.h dependency.
8312 * loop-invariant.c: Include except.h.
8313 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8315 2005-02-16 Paul Brook <paul@codesourcery.com>
8317 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8320 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8322 PR rtl-optimization/25636
8323 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8324 when deciding whether an insn is an initializing insn.
8326 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8328 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8329 (tree_code_size): Ditto.
8330 * tree.h (struct tree_memory_tag): Remove parent_var.
8331 (struct tree_struct_field_tag): New.
8334 (union tree_node): Add sft member.
8335 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8337 (create_sft): Add size and offset argument, set SFT_OFFSET and
8339 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8340 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8341 * tree-flow-inline.h (get_subvar_at): Update for
8342 SFT_OFFSET/SFT_SIZE.
8343 (var_can_have_subvars): Ditto.
8344 (overlap_subvar): Ditto.
8345 * print-tree.c (print_node): Print out interesting things for
8347 * tree-flow.h (struct subvar): Remove offset and size members.
8348 * tree-ssa-operands.c (get_expr_operands): Update for
8349 get_indirect_ref_operands changes.
8350 (get_indirect_ref_operands): Call add_virtual_operand instead of
8351 add_stmt_operand. Only recurse on base var if requested.
8352 (access_can_touch_variable): New function.
8353 (add_stmt_operand): Split virtual operand handling into ...
8354 (add_virtual_operand): Here. Add offset, size, and for_clobber
8355 arguments. Prune alias sets.
8356 (add_call_clobber_ops): Call add_virtual_operand.
8358 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8361 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8363 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8364 than TREE_CODE as index into omp_clause_num_ops array.
8366 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8368 PR rtl-optimization/26184
8369 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8371 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8372 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8373 must_precede, must_follow and tobe_scheduled.
8376 * opts.c (common_handle_option): Free new_option pointer.
8377 * df-core.c (df_analyze): Free postorder pointer.
8379 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8381 * Makefile.in: Fix the examples about the use of stamps
8383 2006-02-15 Michael Matz <matz@suse.de>
8387 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8388 influenced by maximum_field_alignment or DECL_PACKED.
8389 (update_alignment_for_field): Ditto.
8390 (place_field): Ditto.
8391 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8394 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8396 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8397 (debug_flow_info): Pass it.
8398 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8399 * bb-reorder.c (reorder_basic_blocks): Likewise.
8400 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8401 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8402 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8403 * gcse.c (gcse_main, bypass_jumps): Likewise.
8404 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8405 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8406 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8407 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8408 * rtl.h (dump_flow_info): Adjust prototype.
8409 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8410 * var-tracking.c (variable_tracking_main): Likewise.
8411 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8412 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8415 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8417 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8420 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8422 PR tree-optimization/26209
8423 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8424 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8426 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8428 2006-02-14 Roger Sayle <roger@eyesopen.com>
8431 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8432 (X,Y) and the corresponding symmetry related transformations.
8433 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8434 (X,Y) and its symmetry related transformations.
8436 2006-02-14 Roger Sayle <roger@eyesopen.com>
8438 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8441 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8443 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8445 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8448 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8449 support COMDAT group.
8450 * configure: Regenerate.
8452 2006-02-14 Roger Sayle <roger@eyesopen.com>
8457 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8459 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8461 Fix PR tree-optimization/26260
8463 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8465 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8466 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8467 * tree-ssa-structalias.c (create_variable_info_for): Use
8468 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8470 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8472 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8474 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8475 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8476 of the ending condition.
8477 * tree-ssa-loop-manip.c: Include params.h.
8478 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8479 tree_unroll_loop): New functions.
8480 * tree-pass.h (pass_loop_prefetch): Declare.
8481 * loop.c (rest_of_handle_loop_optimize): Test for
8482 -fprefetch-loop-arrays-rtl.
8483 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8484 * timevar.def (TV_TREE_PREFETCH): New timevar.
8485 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8486 pass_loop_prefetch): New.
8487 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8488 (cleanup_tree_cfg_loop): Call scev_reset.
8489 * common.opt (fprefetch-loop-arrays-rtl): Add.
8490 * tree-ssa-loop-prefetch.c: New file.
8491 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8492 (new_temp_expr_table): Initialize expr_vars.
8493 (free_temp_expr_table): Cleanup expr_vars.
8494 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8495 expressions from being merged into one.
8496 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8497 (struct tree_niter_desc): Add control, bound and cmp fields.
8498 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8500 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8501 (tree-cfgcleanup.o): Add SCEV_H dependency.
8502 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8503 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8505 2006-02-14 Richard Guenther <rguenther@suse.de>
8507 PR tree-optimization/26258
8508 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8509 in PHI argument processing.
8511 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8513 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8514 new expression in the requested machine mode.
8516 2006-02-13 Roger Sayle <roger@eyesopen.com>
8518 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8519 directly, instead let do_compare_rtx_and_jump handle this for us.
8520 * expr.c (expand_expr_real_1): Likewise.
8521 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8522 before do_jump_by_parts_greater.
8523 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8524 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8526 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8528 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8530 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8532 PR rtl-optimization/26235
8533 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8534 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8537 2006-02-13 Jeff Law <law@redhat.com>
8539 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8542 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8545 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8546 twice if decl is a builtin. When trying again, call get_callee_fndecl
8547 first to verify it is still a builtin.
8549 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8551 * dwarf2out.c (base_type_die): Don't add AT_name here.
8552 (subrange_type_die): Don't add AT_name here.
8553 (modified_type_die): Rearrange code flow. Do add AT_name here.
8555 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8557 PR rtl-optimization/26247
8558 PR rtl-optimization/26248
8559 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8561 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8563 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8564 * config/fixtfdi.c: Likewise.
8565 * config/fixunstfdi.c: Likewise.
8566 * config/floatditf.c: Likewise.
8568 2006-02-13 Roger Sayle <roger@eyesopen.com>
8571 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8572 into (X,C2) if C1 is a subset of the bits of C2. Transform
8573 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8575 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8577 2006-02-13 Josh Conner <jconner@apple.com>
8580 * varasm.c (function_section): Check for section name before
8581 calling select_section on targets that define
8582 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8583 unlikely_text_section instead of hot_function_section if
8584 first_function_block_is_cold.
8586 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8589 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8591 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8593 PR rtl-optimization/26222
8594 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8595 after tree->rtl expansion.
8596 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8597 before passing it to emit_move_insn.
8599 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8601 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8603 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8604 Clarify documentation.
8605 * c-common.h (warn_write_strings): Remove.
8606 * c-common.c (warn_write_strings): Likewise.
8607 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8610 2006-02-12 Roger Sayle <roger@eyesopen.com>
8613 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8614 (do_jump_parts_zero_rtx): New function renamed from
8615 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8616 (do_jump_parts_equality_rtx): New function split out from
8617 do_jump_parts_equality. Old implementation renamed as above.
8618 Call do_jump_parts_zero_rtx if either operand is zero.
8619 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8620 do all of the heavy lifting.
8621 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8622 calling either do_jump_by_parts_greater_rtx or
8623 do_jump_by_parts_equality_rtx.
8624 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8625 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8626 moved to do_compare_rtx_and_jump, call it directly.
8627 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8628 mode argument. Call do_compare_rtx_and_jump.
8629 (emit_case_nodes): Update calls to do_jump_if_equal.
8631 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8633 PR rtl-optimization/26225
8634 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8636 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8638 PR rtl-optimization/26232
8639 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8641 2006-02-11 Jason Merrill <jason@redhat.com>
8644 * tree-inline.c (declare_return_variable): Just don't use the
8645 modify target if it's a gimple complex reg and the return slot
8648 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8650 * doc/contrib.texi: Update my entry.
8652 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8654 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8656 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8658 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8661 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8663 * doc/invoke.texi (-floop-optimize2): Removed.
8664 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8665 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8666 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8667 * common.opt (floop-optimize2): Removed.
8668 (fmove-loop-invariants): Enabled by default.
8670 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8672 * tree-if-conv.c (combine_blocks): Free the result of
8673 get_loop_exit_edges.
8675 2006-02-10 Jeff Law <law@redhat.com>
8677 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8679 PR tree-optimization/26213
8680 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8681 loop trying to follow SSA_NAME_VALUE chains.
8683 2006-02-10 Richard Guenther <rguenther@suse.de>
8685 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8686 deal with structures that end in implicitly variable sized arrays.
8688 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8690 PR rtl-optimization/24762
8691 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8694 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8696 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8697 (struct ivopts_data): Add regs_used field.
8698 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8699 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8700 instead of loop_data->regs_used;
8701 (free_loop_data): Do not free aux fields for loops.
8702 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8703 and tree_ssa_iv_optimize_finalize.
8705 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8707 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8709 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8712 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8713 computing the effective result type.
8715 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8718 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8719 (tree_overlaps_hard_reg_set): Declare.
8720 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8721 type and signature to match function type expected by walk_tree.
8722 (tree_overlaps_hard_reg_set): New function.
8723 (decl_conflicts_with_clobbers_p): Rename to:
8724 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8725 Use tree_overlaps_hard_reg_set. Changed caller.
8726 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8727 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8728 * cris.c (cris_md_asm_clobbers): Likewise.
8730 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8732 * reload1.c (emit_input_reload_insns): Delete code that tries to
8733 inherit using find_equiv_reg.
8735 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8737 * c-common.h (flag_const_strings): Don't declare.
8738 * c-common.c (flag_const_strings): Remove.
8739 * c.opt (fconst_strings): Remove.
8740 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8741 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8742 (c_common_init_options): Don't set flag_const_strings.
8743 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8745 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8747 * arm.md (tlobits_cbranch): New pattern.
8748 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8749 testing a single bit.
8751 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8754 * tree-ssa-pre.c (create_component_ref_by_pieces):
8755 Handle RETURN_DECL like VAR_DECL.
8757 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8760 * fold-const.c (fold_indirect_ref_1): Fold
8761 "*(foo *)&complexfoo" to "__real__ complexfoo"
8762 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8764 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8766 * tree-flow-inline.h (var_can_have_subvars):
8767 Volatile variables should not have subvariables.
8769 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8772 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8773 multiplying unsigned values.
8776 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8778 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8780 2006-02-08 Jason Merrill <jason@redhat.com>
8783 * tree.def: Elaborate on difference from MODIFY_EXPR.
8784 * doc/c-tree.texi (INIT_EXPR): Likewise.
8785 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8786 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8787 (gimplify_target_expr): Likewise.
8788 (gimplify_cond_expr): Remove target handling.
8789 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8790 (gimplify_expr): Clobber it here.
8791 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8792 Do return slot optimization if we have an INIT_EXPR.
8795 * tree-inline.c (declare_return_variable): Also clear
8796 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8799 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8802 * gimplify.c (gimplify_one_sizepos): Fix typo.
8804 2006-02-08 Jeff Law <law@redhat.com>
8806 PR tree-optimization/21417
8807 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8808 across a backedge if the control statement at the end of the
8809 block is data dependent on other statements in the same block.
8810 (record_temporary_equivalences_from_stmts): Remove over-conservative
8811 test for threading across backedges.
8813 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8814 control statement, handle all three special cases in the same
8815 manner as they all have the same desired solution. No longer
8816 special case edge flag updating when the post dominator is
8819 2006-02-08 Roger Sayle <roger@eyesopen.com>
8821 * tree.def (CHAR_TYPE): Remove.
8822 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8823 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8824 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8825 (gen_string_type_die): Delete unreachable function.
8827 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8828 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8829 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8830 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8831 * builtins.c (type_to_class): Likewise.
8832 * fold-const.c (fold_convert, build_range_check,
8833 merge_ranges): Likewise.
8834 * expr.c (count_type_elements): Likewise.
8835 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8836 * stor-layout.c (layout_type): Likewise.
8837 * ipa-type-escape.c (type_to_consider): Likewise.
8838 * gimplify.c (omp_firstprivatize_type_sizes,
8839 gimplify_type_sizes): Likewise.
8840 * explow.c (promote_mode): Likewise.
8841 * tree-sra.c (is_sra_scalar_type): Likewise.
8842 * varasm.c (output_constant): Likewise.
8843 * tree-inline.c (remap_type_1): Likewise.
8844 * convert.c (convert_to_pointer, convert_to_real,
8845 convert_to_integer, convert_to_complex): Likewise.
8847 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8849 * df-scan.c (df_def_record_1): A set destination may
8850 be a parallel regardless of mode.
8852 2006-02-08 Roger Sayle <roger@eyesopen.com>
8855 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8856 * config/mips/_tilib.c: Remove.
8857 * config/fixtfdi.c: New libgcc source file.
8858 * config/fixunstfdi.c: New source file.
8859 * config/floatditf.c: New source file.
8860 * config/floatunditf.c: New souce file.
8861 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8862 files above instead of config/mips/_tilib.c.
8863 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8865 2006-02-08 Jeff Law <law@redhat.com>
8867 PR tree-optimization/26169
8868 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8871 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8873 * df.h (DF_REG_SIZE): Return the length of the initialized
8876 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8878 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8879 __muldf3): Return a correctly signed zero.
8881 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8883 * passes.c (register_one_dump_file): Accept the current properties
8884 instead of pass number. Adjust call to dump_register. Remove
8886 (register_dump_files): Now a wrapper around...
8887 (register_dump_files_1): ... this one. Do not modify the pass
8889 (next_pass_1): Cosmetic fix.
8890 (execute_todo): Keep second parameter only. Use curr_properties
8891 instead of fetching it from the pass structure. Check and set
8893 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8894 instead of fetching it from the pass structure. Fix calls to
8895 execute_todo. Update curr_properties and initialize .vcg RTL dump
8896 after running the pass. Reset last_verified.
8897 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8899 (FIRST_AUTO_NUMBERED_DUMP): New.
8900 (dump_register): Remove "num" parameter, assign it within the
8902 (get_dump_file_name): Modify template for dumps.
8903 * tree-dump.h (dump_register): Adjust prototype.
8904 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8905 (PROP_trees): Add PROP_gimple_lomp.
8906 (TODO_set_props): New.
8907 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8908 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8909 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8911 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8913 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8914 (sparc64-*-linux*): Likewise.
8915 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8916 * config/sparc/t-linux: New file.
8917 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8918 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8919 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8920 -m32 -mlong-double-128.
8922 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8923 * config/alpha/t-linux: New file.
8924 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8926 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8927 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8928 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8929 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8930 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8931 (CPP_ARCH32_SPEC): Remove.
8933 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8935 PR tree-optimization/26145
8936 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8939 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8942 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8943 >= 240000 when generating code for SOM runtime.
8944 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8945 to $$dyncall when generating code for SOM runtime..
8947 2006-02-07 Dirk Mueller <dmueller@suse.com>
8950 * doc/invoke.texi (-Wsequence-point): Update documentation
8951 that -Wsequence-point is implemented for C++ as well.
8953 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8955 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8956 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8957 (LIB_SPEC): Likewise.
8958 * doc/invoke.texi (SPARC options): Document -pthread.
8960 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8962 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8965 2006-02-07 Roger Sayle <roger@eyesopen.com>
8967 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8968 Correct comment describing BOOLEAN_TYPE.
8970 2006-02-07 Dirk Mueller <dmueller@suse.com>
8972 * c.opt: C++ frontend supports -Wdiv-by-zero.
8973 * c-opts.c (c_common_handle_option): Remove dead case.
8975 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8977 * configure.ac (TLS assembler check): Do not enable TLS by
8978 default on SPARC/Solaris before version 10.
8979 * configure: Regenerate.
8981 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8983 * doc/invoke.texi (xl-compat): Document conversion and support
8986 2006-02-07 Jeff Law <law@redhat.com>
8988 * tree-vrp.c (find_conditional_asserts): Update comments.
8989 (simplify_stmt_for_jump_threading): New.
8990 (identify_jump_threads, finalize_jump_threads): New.
8991 (vrp_finalize): Call identify_jump_threads.
8992 (execute_vrp): Call finalize_jump_threads.
8993 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8994 (vrp_element, vrp_data, vrp_element_p): Remove.
8995 (vrp_hash_elt, vrp_variables_stack): Remove.
8996 (vrp_hash, vrp_eq, record_range): Remove.
8997 (simplify_cond_and_lookup_avail_expr): Remove.
8998 (extract_range_from_cond): Remove.
8999 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9000 (simplify_stmt_for_jump_threading): New.
9001 (dom_thread_across_edge): New wrapper.
9002 (tree_ssa_dominator_optimize): No longer initialize or
9003 finalize any of the VRP datastructures. Remove iteration
9004 step and simplify as a result of removal of iteration step.
9005 (pass_dominator): Perform a cfg cleanup after DOM.
9006 (dom_opt_finalize_block): Use the new common routines
9007 for threading jumps. Simplify stack management slightly.
9008 No longer need to unwind VRP state.
9009 (record_equivalences_from_incoming_edge): No longer record
9011 (eliminate_redundant_computations): No longer call
9012 simplify_cond_and_lookup_avail_expr.
9013 * tree-flow.h (potentially_threadable_block): Prototype.
9014 (thread_across_edge): Likewise.
9015 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9016 (tree-ssa-threadedge.o): Add dependencies.
9017 * tree-ssa-threadedge.c: New file.
9018 * passes.c (init_optimization_passes): Merge PHIs before
9019 calling VRP. Run VRP again late in the SSA optimization pipeline.
9021 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9023 * df-core.c (df_set_blocks): Do not dereference function pointers.
9024 (df_finish1): Likewise.
9025 (df_hybrid_search_forward): Likewise.
9026 (df_hybrid_search_backward): Likewise.
9027 (df_iterative_dataflow): Likewise.
9028 (df_analyze_problem): Likewise.
9029 (df_compact_blocks): Likewise.
9030 (df_dump): Likewise.
9031 * df-scan.c (df_rescan_blocks): Likewise.
9032 (df_record_entry_block_defs): Likewise.
9034 * genconditions.c (write_conditions): Guard the definition of
9035 'insn_conditions' with the check on GCC version.
9036 (write_writer): Guard the traversal 'insn_conditions' with
9037 the check on GCC version.
9039 2006-02-07 Richard Guenther <rguenther@suse.de>
9043 2006-01-30 Richard Guenther <rguenther@suse.de>
9045 * gimplify.c (gimplify_target_expr): Handle easy cases
9046 without creating a temporary.
9048 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9050 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9051 use of float in probability computations. Use edge probabilities
9052 in place of statically computed probabilities.
9053 (min_spec_prob): New static variable.
9054 (schedule_insns): Initialize it.
9055 (GET_SRC_PROB): Removed.
9056 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9058 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9061 * config/ia64/unwind-ia64.c: Revert last change.
9062 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9063 (INCOMING_FRAME_SP_OFFSET): Define.
9065 2006-02-06 Roger Sayle <roger@eyesopen.com>
9067 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9069 2006-02-07 Ben Elliston <bje@au.ibm.com>
9071 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9072 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9073 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9074 (ix86_return_in_memory): Handle TDmode.
9075 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9076 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9078 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9080 * reorg.c (dbr_schedule): Use dump_file instead of file.
9082 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9085 * config/ia64/predicates.md (extr_len_operand): New predicate.
9086 * config/ia64/ia64.md (extv): Tighten constraints.
9088 (*tbit_and_2): Ditto.
9089 (*tbit_and_3): Ditto.
9090 (*tbit_or_2): Ditto.
9091 (*tbit_or_3): Ditto.
9095 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9098 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9100 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9102 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9103 loop_optimizer_init and loop_optimizer_finalize
9104 * tree-ssa-sink.c (execute_sink_code): Ditto.
9105 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9106 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9107 tree_ssa_loop_done): Ditto.
9108 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9109 * sched-ebb.c: Include output.h.
9110 (schedule_ebbs): Do not use dump argument.
9111 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9112 * loop.c (loop_dump_stream): Removed.
9113 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9115 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9116 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9117 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9118 loop_iterations, strength_reduce, record_biv, record_giv,
9119 final_giv_value, check_final_value, check_ext_dependent_givs,
9120 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9121 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9122 dump_file instead of loop_dump_stream.
9123 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9125 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9127 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9128 * haifa-sched.c: Include output.h
9129 (schedule_insns, sched_init): Do not use dump argument.
9130 * mode-switching.c (optimize_mode_switching): Ditto.
9131 * modulo-sched.c (stats_file): Removed.
9132 (print_node_sched_params): Do not call argument dump_file.
9133 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9134 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9136 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9138 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9139 rtl_loop_init, rtl_loop_done): Ditto.
9140 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9141 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9143 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9144 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9145 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9146 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9147 * emit-rtl.c (renumber_insns): Ditto.
9148 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9149 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9150 * regclass.c (regclass): Ditto.
9151 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9152 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9153 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9154 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9156 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9157 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9159 * gcse.c (gcse_file, debug_stderr): Removed.
9160 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9161 rest_of_handle_gcse): Do not use dump argument.
9162 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9163 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9164 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9165 compute_code_hoist_vbeinout, compute_code_hoist_data,
9166 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9167 compute_store_table, build_store_vectors, insert_insn_start_bb,
9168 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9169 store_motion): Use dump_file instead of gcse_file.
9170 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9171 * profile.c (profile_dump_file): Removed.
9172 (branch_prob): Use dump_file instead of profile_dump_file.
9173 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9175 * tree-ssa-copy.c (dump_copy_of): Ditto.
9176 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9177 dump file to life_analysis.
9178 * bt-load.c (branch_target_load_optimize): Ditto.
9179 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9181 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9182 regclass, dbr_schedule): Declaration changed.
9183 * sched-int.h (sched_init): Declaration changed.
9184 * tree-profile.c (tree_profile_dump_file): Removed.
9185 (tree_profile_hooks): Removed profile_dump_file hook.
9186 * rtl-profile (rtl_profile_dump_file): Removed.
9187 (rtl_profile_hooks): emoved profile_dump_file hook.
9188 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9190 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9191 * tree-cfg.c (build_tree_cfg): Ditto.
9192 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9193 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9194 Declaration changed.
9195 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9196 life_analysis and schedule_insns.
9197 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9199 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9201 * config/mips/mips.c (mips_reorg): Ditto.
9202 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9205 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9207 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9208 (s390_mangle_fundamental_type): New.
9209 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9212 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9213 (alpha_mangle_fundamental_type): New.
9214 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9217 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9219 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9221 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9222 (sparc_mangle_fundamental_type): New.
9224 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9226 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9227 (s390x-*-linux*): Likewise.
9228 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9229 * config/s390/t-linux: New file.
9231 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9233 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9234 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9236 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9238 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9239 (ANTIC_SAFE_LOADS): New macro.
9240 (find_or_generate_expression): Add prototype.
9241 (set_contains_value): Allow null set for sake of not always having
9242 to allocate ANTIC_SAFE_LOADS.
9243 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9244 Allow COMPONENT_REF too.
9245 (valid_in_set): Allow COMPONENT_REF.
9246 Check ANTIC_SAFE_LOADS too.
9247 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9248 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9250 (can_PRE_operation): Add COMPONENT_REF.
9251 (create_component_ref_by_pieces): New function.
9252 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9253 (insert_aux): Move AGGREGATE_TYPE_P check here.
9254 (compute_avail): Set bb local stmt uids.
9255 (pass_pre): Use TODO_update_ssa_only_virtuals.
9257 2006-02-06 Ben Elliston <bje@au.ibm.com>
9259 * configure.ac: Unconditionally disable decimal float by default.
9260 * configure: Regenerate.
9262 2006-02-06 Ben Elliston <bje@au.ibm.com>
9264 * read-rtl.c (read_name): Terminate reading on EOF.
9266 2006-02-06 Ben Elliston <bje@au.ibm.com>
9268 * dfp.c (decimal_real_arithmetic): Change second argument type
9269 from int to enum tree_code. Do not always return true, but now
9270 return result of any call to decimal_do helper functions.
9271 * dfp.h (decimal_real_arithmetic): Update prototype.
9273 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9275 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9277 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9280 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9283 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9285 * tree-vrp.c (cfg_loops): Removed.
9286 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9287 Use current_loops instead of cfg_loops. Pass flags to
9288 loop_optimizer_init.
9289 * cfgloopmanip.c (fix_loop_structure): Update only available
9291 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9292 loop_optimizer_init.
9293 * modulo-sched.c (build_loops_structure): Removed.
9294 (sms_schedule): Use loop_optimizer_init.
9295 * loop-init.c (loop_optimizer_init): Use flags to determine
9296 which properties of loops to prepare.
9297 (rtl_loop_init): Pass flags to loop_optimizer_init.
9298 * tree-ssa-sink.c (execute_sink_code): Ditto.
9299 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9300 * tree-ssa-pre.c (init_pre): Ditto.
9301 * cfgloop.h (LOOPS_NORMAL): New.
9302 (loop_optimizer_init): Declaration changed.
9304 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9306 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9307 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9309 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9311 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9313 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9314 * pa/t-pa64: Delete quadlib.c rule.
9315 * pa/x-ada: Revert last change.
9316 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9318 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9320 PR rtl-optimization/26087
9321 * rtlanal.c (canonicalize_condition): Do not cross basic block
9324 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9327 * config/ia64/ia64.c: Include debug.h.
9328 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9329 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9330 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9331 (process_epilogue, process_set, process_for_unwind_directive):
9332 Output unwind info only if requested. Add CFA info if requested.
9333 Add new arguments as needed. Adjust callers.
9334 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9336 (DWARF2_FRAME_INFO): Define to zero.
9337 * config/ia64/unwind-ia64.c: Remove code that compensated for
9338 the CFA offset error fixed above.
9339 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9340 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9341 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9342 -funwind-tables and -fexceptions to enable frame info.
9343 (dwarf2out_frame_init): Define initial CFA even if
9344 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9345 DWARF2_UNWIND_INFO is nonzero, not just defined.
9346 (dwarf2out_frame_finish): Output non-EH call frame info only
9347 if DWARF2_FRAME_INFO is nonzero.
9348 (convert_cfa_to_loc_list,
9349 compute_frame_pointer_to_cfa_displacement): Define even if
9350 unwind info is not supported.
9351 (gen_subprogram_die): Use the above unconditionally. Remove
9352 legacy alternate code.
9353 * toplev.c (compile_file): Compile in call to
9354 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9355 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9357 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9358 Jakub Jelinek <jakub@redhat.com>
9360 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9361 IBM extended float format long double as "g" on powerpc*-linux.
9363 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9366 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9367 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9369 2006-02-03 Jason Merrill <jason@redhat.com>
9372 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9375 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9376 on the return slot if it's an NRV.
9378 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9380 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9381 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9382 rewrite_use): Do not handle USE_OUTER.
9383 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9384 add_iv_outer_candidates, may_replace_final_value,
9385 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9386 (find_interesting_uses_op): Functionality of
9387 find_interesting_uses_outer_or_nonlin moved here.
9388 (find_interesting_uses_outside): Use find_interesting_uses_op.
9390 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9393 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9395 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9396 Ulrich Weigand <uweigand@de.ibm.com>
9399 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9400 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9401 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9402 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9404 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9405 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9406 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9407 Define secondary reloads for TFmode moves.
9408 (constant_modes): Add TFmode.
9409 (NR_C_MODES): Set to 8.
9410 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9412 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9413 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9414 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9415 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9416 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9417 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9418 (FPR mode macro): Add TFmode.
9419 (DSF mode macro): New.
9420 (<de>, <dee> mode attributes): Removed.
9421 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9422 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9423 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9424 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9425 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9426 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9427 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9428 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9429 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9430 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9431 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9432 "*negabs<mode>2", "sqrt<mode>2"):
9433 Changed <de> to <xde>. R constraint replaced by <Rf>.
9434 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9436 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9437 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9438 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9440 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9441 "extenddftf2", "extendsftf2"): New expanders.
9442 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9443 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9444 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9445 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9447 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9448 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9449 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9450 __floatditf): Add a GCC_4.1.0 symbol version tag.
9451 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9454 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9457 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9458 Use targetm.binds_local_p instead of TREE_PUBLIC.
9460 2006-02-02 Roger Sayle <roger@eyesopen.com>
9462 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9463 on INTEGER_TYPEs to indicate that it denotes a character type.
9464 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9465 signed_char_type_node, unsigned_char_type_node and char_type_node.
9466 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9467 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9468 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9470 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9471 Daniel Berlin <dberlin@dberlin.org>
9473 * tree-tailcall.c (arg_needs_copy_p): New function.
9474 (eliminate_tail_call): Use arg_needs_copy_p.
9475 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9476 (add_virtual_phis): New function.
9478 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9480 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9481 #ignore instead of #scratch for %g7 .register directive.
9483 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9485 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9488 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9490 * flow.c (calculate_global_regs_live): Assert that there aren't any
9493 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9495 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9497 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9498 bsi_after_labels iterator.
9499 * tree-if-conv.c (find_phi_replacement_condition,
9500 replace_phi_with_cond_modify_expr): Likewise.
9501 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9502 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9504 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9506 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9508 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9511 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9512 array after growing it.
9514 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9517 * fold-const.c (fold_checksum_tree): Change type of buf.
9519 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9521 * reload.c (push_secondary_reload): Initialize t_icode.
9523 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9525 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9526 -msoft-float -mlong-double-128 only issue a warning, but don't
9527 swich to DFmode long double.
9529 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9531 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9532 has a constant equivalent, iterate over equivalents for arg0,
9533 calling simplify_relational_operation and if there's a result
9534 cheaper than X, apply fold_rtx and return the result.
9536 2006-02-01 Jan Hubicka <jh@suse.cz>
9538 * opts.c (no_unit_at_a_time_default): New global variable.
9539 (decode_options): Use it.
9540 * opts.h (no_unit_at_a_time_default): Declare.
9542 2006-02-01 Paul Brook <paul@codesourcery.com>
9544 * function.c (assign_parm_setup_reg): Use function argument promotion
9546 * expr.c (expand_expr_real_1): Use function argument promotion rules
9549 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9551 * gcc.c (process_command): Change j to 'unsigned int'.
9553 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9556 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9557 Use the corrected index for the character
9558 out of the string constant.
9560 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9562 * mode-switching.c (optimize_mode_switching): Fix size
9563 allocated for bb_info[n_entities].
9565 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9567 * gcc.c (main): Correct type that is allocated for
9568 explicit_link_files.
9570 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9572 * config/s390/s390.c (init_alignment_context): Set
9573 ALIAS_SET_MEMORY_BARRIER on the MEM.
9574 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9576 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9579 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9581 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9584 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9586 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9587 * regrename.c: Ditto.
9588 * tree-ssa-loop-im.c: Ditto.
9589 * tree-dump.c: Ditto.
9590 * tree-complex.c: Ditto.
9591 * genrecog.c: Ditto.
9592 * tree-ssa-threadupdate.c: Ditto.
9594 * java/class.c: Ditto.
9595 * java/jcf-parse.c: Ditto.
9596 * java/resource.c: Ditto.
9597 * java/except.c: Ditto.
9598 * java/jvspec.c: Ditto.
9599 * java/jcf-write.c: Ditto.
9600 * java/jcf-path.c: Ditto.
9601 * java/gjavah.c: Ditto.
9602 * java/zextract.c: Ditto.
9603 * java/jcf-io.c: Ditto.
9604 * java/jcf.h: Ditto.
9605 * java/buffer.c: Ditto.
9606 * java/lang.c: Ditto.
9607 * java/parse-scan.y: Ditto.
9608 * java/lex.c: Ditto.
9609 * java/lex.h: Ditto.
9610 * cfgloopmanip.c: Ditto.
9611 * postreload-gcse.c: Ditto.
9612 * tree-ssa-loop-manip.c: Ditto.
9613 * postreload.c: Ditto.
9614 * tree-ssa-loop-ch.c: Ditto.
9618 * diagnostic.c: Ditto.
9620 * genoutput.c: Ditto.
9622 * cfghooks.c: Ditto.
9623 * cfgloopanal.c: Ditto.
9624 * objc/objc-act.c: Ditto.
9626 * genextract.c: Ditto.
9627 * genautomata.c: Ditto.
9628 * pretty-print.c: Ditto.
9630 * cgraphunit.c: Ditto.
9633 * haifa-sched.c: Ditto.
9634 * dominance.c: Ditto.
9636 * tree-ssa-loop-ivopts.c: Ditto.
9638 * mode-switching.c: Ditto.
9639 * modulo-sched.c: Ditto.
9641 * ipa-pure-const.c: Ditto.
9643 * fix-header.c: Ditto.
9645 * tree-stdarg.c: Ditto.
9646 * ipa-utils.c: Ditto.
9647 * loop-init.c: Ditto.
9648 * ipa-inline.c: Ditto.
9651 * alloc-pool.c: Ditto.
9652 * dwarf2out.c: Ditto.
9654 * genattrtab.c: Ditto.
9655 * tree-ssa-loop-ivcanon.c: Ditto.
9659 * fortran/gfortranspec.c: Ditto.
9661 * local-alloc.c: Ditto.
9662 * langhooks.c: Ditto.
9663 * function.c: Ditto.
9664 * tree-vectorizer.c: Ditto.
9666 * ipa-type-escape.c: Ditto.
9668 * tree-if-conv.c: Ditto.
9671 * tree-data-ref.c: Ditto.
9672 * loop-unroll.c: Ditto.
9673 * treelang/treetree.c: Ditto.
9676 * ggc-common.c: Ditto.
9678 * coverage.c: Ditto.
9680 * tree-cfgcleanup.c: Ditto.
9681 * tree-ssa-pre.c: Ditto.
9682 * cfgcleanup.c: Ditto.
9683 * loop-invariant.c: Ditto.
9685 * ipa-prop.c: Ditto.
9686 * print-tree.c: Ditto.
9687 * conflict.c: Ditto.
9688 * ggc-page.c: Ditto.
9689 * sched-deps.c: Ditto.
9690 * regclass.c: Ditto.
9691 * tree-object-size.c: Ditto.
9693 * bb-reorder.c: Ditto.
9694 * resource.c: Ditto.
9695 * var-tracking.c: Ditto.
9697 * df-problems.c: Ditto.
9698 * reg-stack.c: Ditto.
9701 * sched-rgn.c: Ditto.
9702 * tree-ssa-structalias.c: Ditto.
9703 * tree-ssa-reassoc.c: Ditto.
9704 * config/darwin-c.c: Ditto.
9705 * config/darwin.c: Ditto.
9706 * config/arm/arm.c: Ditto.
9708 * collect2.c: Ditto.
9711 2006-01-31 Nicolas Pitre <nico@cam.org>
9713 * arm.md (smaxsi3): Make aware of smax_m1.
9716 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9718 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9720 2006-01-31 Richard Guenther <rguenther@suse.de>
9722 * doc/invoke.texi (-msselibm): Document.
9723 * target.h (expand_library_builtin): New target hook.
9724 * builtins.c (expand_builtin): Use expand_library_builtin.
9725 (default_expand_library_builtin): New function.
9726 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9727 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9728 (link_gcc_math_spec): Declare.
9729 (static_specs): Add link_gcc_math_spec.
9730 * expr.h (default_expand_library_builtin): Declare.
9731 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9732 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9733 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9734 * config/i386/i386.opt (msselibm): New target option.
9735 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9736 (ix86_init_sse_abi_builtins): New function.
9737 (ix86_expand_library_builtin): Likewise.
9738 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9739 (override_options): Handle error conditions wrt -msselibm.
9740 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9741 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9742 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9745 2006-01-31 Richard Guenther <rguenther@suse.de>
9746 Paolo Bonzini <bonzini@gnu.org>
9748 * doc/install.texi (--disable-libgcc-math): Document.
9750 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9752 * expr.h (expand_normal): new inline function.
9753 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9755 * dwarf2out.c: use it.
9760 * config/sparc/sparc.c: use it.
9761 * config/i386/i386.c: use it.
9762 * config/rs6000/rs6000.c: use it.
9763 * config/arm/arm.c: use it.
9764 * config/mips/mips.c: use it.
9765 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9767 2006-01-30 Roger Sayle <roger@eyesopen.com>
9769 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9770 argv to the appropriate type.
9772 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9774 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9777 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9780 * config/s390/s390.c (struct machine_function): New flag
9781 decomposed_literal_pool_addresses_ok_p.
9782 (s390_reorg): Set it before final stage of literal pool transforms.
9783 (s390_decompose_address): Only accept displacements of the form
9784 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9786 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9788 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9789 the comparison routine return.
9791 2006-01-30 Michael Matz <matz@suse.de>
9793 * global.c (find_reg): Only evict for global regs.
9794 Take n_refs into account and dump more info.
9796 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9799 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9800 (pragma_trap, pragma_nosave_low_regs): Likewise.
9801 (current_function_anonymous_args): Likewise.
9802 (sh_deferred_function_attributes): New variable.
9803 (sh_deferred_function_attributes_tail): Likewise.
9804 (print_operand): For '@', look up trap_exit attribute.
9805 (calc_live_regs): Look up trapa_handler attribute. For trapa
9806 handlers, save/restore fpscr, but don't do any other
9807 interrupt-specific saves.
9808 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9809 Fix check for partially saved registers to check for SHmedia.
9810 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9811 (sh_output_function_epilogue): Don't clear any of the removed
9813 (sh_insert_attributes): Don't check pragma_interrupt.
9814 Insert deferred attributes. Check that interrupt attribute is
9815 present for other attributes that require its presence.
9816 (sh_attribute_table): Add new attributes trapa_handler and
9818 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9819 Don't check for pragma_interrupt. Don't store argument.
9820 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9821 (sh_deferred_function_attributes): Declare.
9822 (sh_deferred_function_attributes_tail): Likewise.
9823 * sh.md (sp_switch_1): Add operand. Change generator caller.
9824 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9825 (*return_i): Don't use when trap_exit attribute is in effect.
9826 (*return_trapa): New insn pattern.
9828 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9829 setting c_target_objs and cxx_target_objs.
9830 * t-sh: Add rule for sh-c.o.
9832 2006-01-30 Richard Guenther <rguenther@suse.de>
9835 * gimplify.c (gimplify_target_expr): Handle easy cases
9836 without creating a temporary.
9838 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9840 * vec.h (safe_grow): Remove duplicated line.
9842 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9845 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9846 (expand_omp): ... here.
9847 (expand_omp_parallel): Only remove barriers for combined
9848 parallel+workshare constructs.
9850 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9854 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9855 * tree.c (build_qualified_type): Chain the new type to the original
9856 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9857 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9858 (build_pointer_type_for_mode): Only return unqualified types.
9859 (build_reference_type_for_mode): Likewise.
9861 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9863 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9864 * Makefile.in (CXX_COMPAT_WARN): Define.
9865 * configure: Regenerate.
9867 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9870 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9873 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9875 * toplev.c: Fix thinko.
9877 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9878 Marcin Dalecki <martin@dalecki.de>
9880 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9881 (push_srcloc): Use XNEW.
9882 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9884 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9886 * df-core.c (df_set_blocks): Deleted all variable.
9888 2006-01-28 Ian Lance Taylor <ian@airs.com>
9890 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9891 cgraph_output_pending_asms.
9893 2006-01-28 Zack Weinberg <zackw@panix.com>
9895 * c.opt: Add -W(no-)overlength-strings.
9896 * doc/invoke.texi: Document it.
9897 * c-opts.c (c_common_handle_option): -pedantic implies
9898 -Woverlength-strings, if not explicitly disabled already.
9899 (c_common_post_options): -Woverlength-strings defaults to off, and
9900 is always off for C++.
9901 * c-common.c (fix_string_type): Issue warning about strings longer
9902 than is portable only if warn_overlength_strings. Rearrange code
9903 a little for clarity.
9904 * configure.in: Check for -Wno-overlength-strings as well before
9905 enabling -pedantic in stage 1.
9906 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9907 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9909 * genconditions.c (write_header, write_one_condition)
9910 (write_conditions, write_writer): Consolidate very long strings
9911 that were broken up to fit in C89 portable limit. Don't use
9912 printf when fputs will do.
9914 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9916 * combine.c (simplify_comparison <AND>): Check
9917 TRULY_NOOP_TRUNCATION before start using a subreg.
9919 * config/mips/mips.md (*branch_zero<mode>,
9920 *branch_zero<mode>_inverted, *branch_equality<mode>,
9921 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9922 Remove mode check from comparisons.
9924 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9926 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9928 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9930 * expmed.c (const_mult_add_overflow_p): Remove.
9931 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9933 * recog.c (validate_replace_rtx_subexp): Remove.
9934 * recog.h: Remove the prototype for
9935 validate_replace_rtx_subexp.
9937 * integrate.h: Remove the prototype for
9938 copy_decl_for_inlining.
9939 * rtl.h: Remove the prototype for mark_constant_function.
9940 * tree-vectorizer.h: Remove the prototype for
9941 vect_strip_conversion.
9943 * modulo-sched.c (create_partial_schedule,
9944 free_partial_schedule, reset_partial_schedule): Make them
9947 * hooks.c (hook_bool_rtx_int_false): Remove.
9948 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9950 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9952 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9953 and -mlong-double-128 are incompatible.
9954 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9955 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9956 (TARGET_LIBGCC2_CFLAGS): Define.
9957 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9958 (TARGET_LIBGCC2_CFLAGS): Same.
9959 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9961 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9964 * c-typeck.c (build_binary_op): Perform implicit casts of
9965 operands before shortening them.
9967 * cfgloopmanip.c (split_loop_bb): Remove.
9968 * cfgloop.h: Remove the prototype for split_loop_bb.
9970 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9971 * cfgloop.h: Remove the prototype for
9972 flow_loop_outside_edge_p.
9974 * emit-rtl.c (init_virtual_regs): Make it static.
9975 * function.h: Remove the prototype for init_virtual_regs.
9977 * recog.c (peephole2_optimize): Make it static.
9978 * recog.h: Remove the prototype for peephole2_optimize.
9980 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9982 * df-scan.c (df_record_entry_block_defs): Check if
9983 INCOMING_RETURN_ADDR_RTX is defined.
9985 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9986 Kenneth Zadeck <zadeck@naturalbridge.com>
9988 PR rtl-optimization/24762
9989 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9990 * targhooks.c (hook_void_bitmap): New hook prototype.
9991 * targhoohs.h (hook_void_bitmap): Ditto.
9992 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9993 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9994 * target.h (live_on_entry): New function pointer.
9995 * df-scan.c (df_all_hard_regs): Removed.
9996 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9997 (df_scan_free_internal): Added df->entry_block_defs.
9998 (df_scan_alloc): Ditto.
9999 (df_scan_dump): Ditto.
10000 (df_uses_record): Plumbed flag field properly thru calls.
10001 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10002 This part fixes PR24762.
10003 (df_bb_refs_record): Added code to make the frame and arg
10004 pointers live in EH blocks.
10005 (df_refs_record): Added call to df_record_entry_block_defs.
10006 (df_record_entry_block_defs): New function.
10007 * df-core.c: Added comments to describe new artifical defs.
10008 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10009 (entry_block_defs): New field in struct df.
10010 (df_all_hard_regs): Deleted.
10011 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10012 * df-problems.c (df_ru_bb_local_compute_process_def):
10013 Added code to handle artifical defs in the entry to a function.
10014 (df_ru_bb_local_compute): Ditto.
10015 (df_rd_bb_local_compute_process_def): Ditto.
10016 (df_rd_bb_local_compute): Ditto.
10017 (df_lr_bb_local_compute): Ditto.
10018 (df_ur_bb_local_compute): Ditto.
10019 (df_urec_bb_local_compute): Ditto.
10020 (df_chain_create_bb): Ditto.
10021 (df_ur_local_finalize): Removed entry.
10022 (df_urec_init): Ditto.
10023 (df_urec_local_finalize): Ditto.
10024 (df_ri_bb_compute): Added detection of last use of pseudos.
10025 * Makefile.in (df-scan.o): Updated dependencies.
10026 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10027 * config/mips/mips.c (mips_set_live_on_entry): Added.
10028 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10030 * dce.c (marked_insn_p): Added code to handle artifical defs.
10032 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10034 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10036 (_mm_cvtsi128_si64): Likewise.
10037 (_mm_cvtsd_si64): Likewise.
10038 (_mm_cvttsd_si64): Likewise.
10039 (_mm_cvtsi64_sd): Likewise.
10040 (_mm_cvtsi64_si128): Likewise.
10041 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10042 (_mm_cvtsi64_m64): Likewise.
10043 (_m_to_int64): Likewise.
10044 (_mm_cvtm64_si64): Likewise.
10045 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10046 (_mm_cvttss_si64): Likewise.
10047 (_mm_cvtsi64_ss): Likewise.
10048 (_mm_cvtss_f32): Likewise.
10050 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10052 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10053 for pragma redefine_extname.
10055 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10058 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10059 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10060 -mno-minimal-toc to previous content.
10061 (bispecs): Remove goal.
10062 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10063 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10064 compatibility aliases on powerpc-*-*gnu*.
10065 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10066 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10067 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10068 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10069 (ldblspecs): New goal.
10070 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10071 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10073 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10074 L_sf_to_tf or L_df_to_tf is defined.
10076 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10077 Alan Modra <amodra@bigpond.net.au>
10080 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10081 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10082 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10083 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10084 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10085 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10086 (rs6000_override_options): Initialize rs6000_ieeequad.
10087 Initialize TFmode format to ibm_extended_format if not
10089 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10091 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10092 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10093 (function_arg_advance): IBM long double passed in two FPRs, not
10095 (function_arg): IBM long double passed in FPRs.
10096 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10097 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10098 Only multireg GPR aligned.
10099 (rs6000_init_libfuncs): Enable IBM long double functions if not
10101 (rs6000_generate_compare): Use IBM long double compare if not
10103 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10104 (TARGET_IEEEQUAD): Define.
10105 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10106 not TARGET_IEEEQUAD.
10107 * config/rs6000/rs6000.md: Enable TFmode patterns if
10109 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10110 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10111 and -mlong-double-128 are incompatible.
10112 * doc/invoke.texi (-mabi): Collect options together. Add
10113 ibmlongdouble and ieeelongdouble.
10115 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10117 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10119 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10120 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10121 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10122 * rtl.h (rtunion_def): Remove rt_ptr.
10124 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10125 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10126 * config/i386/winnt.c (i386_pe_mark_dllexport)
10127 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10129 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10131 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10133 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10137 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10138 pthread_key_delete. From John David Anglin. gthrw-ify
10139 pthread_getunique_np only if it it's not a macro. Delete
10141 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10142 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10143 __gthread_objc_condition_signal, __gthread_key_delete): Add
10144 "__attribute__ ((__unused__))" to unused arguments.
10145 (__gthread_recursive_mutex_init_function): Add missing return.
10146 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10147 gthr-posix95.h: Use macro-based approach for name redirection
10148 on targets missing weakref.
10150 2006-01-26 Zack Weinberg <zackw@panix.com>
10152 * genconditions.c (write_header): In generated code, #ifdef out
10153 all includes and fake declarations, except includes of bconfig.h
10154 and system.h, unless GCC_VERSION >= 3001. Do not include
10155 gensupport.h in any case.
10156 (write_conditions): Generate a definition of struct c_test. Add
10157 a comment to the generated #endif.
10158 (write_one_condition): Escape backslashes in string too.
10159 (write_writer): Generated code must escape backslashes and quote
10160 marks (but not newlines) in the strings it writes.
10161 * Makefile.in (build/gencondmd.o): Update dependencies.
10163 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10166 * Makefile.in (insn-automata.o): Add header file dependencies.
10167 * genautomata.c: Add includes.
10169 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10172 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10174 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10176 * configure.ac: Expect target tools paths to be passed from the toplevel
10177 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10179 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10181 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10184 * c.opt (Wpointer-sign): Init to -1.
10185 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10186 OPT_pedantic, to 0 otherwise.
10187 * doc/invoke.texi: Update.
10189 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10191 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10192 constants provided by 80387 instructions in the destination mode.
10194 2006-01-26 Richard Guenther <rguenther@suse.de>
10195 Andrew Pinski <pinskia@physics.uc.edu>
10198 partial PR tree-opt/17064
10199 * tree-ssa-structalias.c (intra_create_variable_infos):
10200 Create heap variables for incoming parameters if
10201 flag_argument_noalias > 1.
10202 (find_what_p_points_to): Look through default defs of
10205 2006-01-26 Jeff Law <law@redhat.com>
10208 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10209 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10210 within the VR_RANGE, use the VR_RANGE as the result, not the
10212 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10213 bounds for the type.
10215 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10217 * tree-ssa-alias.c (maybe_create_global_var): Change
10218 subvar walking to an assertion that we don't have subvar'd variables.
10220 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10223 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10224 Use a new variable, inner. PARM_DECLs are always non-weak.
10226 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10228 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10229 --disable-checking.
10231 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10233 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10235 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10237 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10238 (smax_insn, smin_insn, smax_0, smin_0): New.
10240 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10243 * config/cris/cris.c (cris_order_for_addsi3): New function.
10244 * config/cris/cris-protos.h: Prototype it.
10245 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10246 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10247 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10248 (split for "op.S1 [rx=rx+i],ry (swapped)")
10249 (split for "op(s|u).S1 [rx=rx+i],ry")
10250 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10251 Apply cris_order_for_addsi3 when generating addsi3 insns.
10253 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10255 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10256 (TREE_BLOCK): Add call to EXPR_CHECK.
10258 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10261 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10262 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10263 (dump_omp_clauses): ... here.
10264 (dump_generic_node): Handle OMP_CLAUSE.
10265 * tree.c (omp_clause_num_ops): New.
10266 (omp_clause_code_name): New.
10267 (tree_code_size): Handle OMP_CLAUSE.
10268 (tree_size): Likewise.
10269 (make_node): Document handling of OMP_CLAUSE.
10270 (tree_node_structure): Handle OMP_CLAUSE.
10271 (omp_clause_check_failed): New.
10272 (omp_clause_range_check_failed): New.
10273 (omp_clause_operand_check_failed): New.
10274 (build_omp_clause): New.
10275 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10276 * tree.h (enum omp_clause_code): Declare.
10277 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10278 (OMP_CLAUSE_RANGE_CHECK): Define.
10279 (OMP_CLAUSE_ELT_CHECK): Define.
10280 (omp_clause_check_failed): Declare.
10281 (omp_clause_operand_check_failed): Declare.
10282 (omp_clause_range_check_failed): Declare.
10283 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10284 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10285 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10286 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10287 (OMP_CLAUSE_IF_EXPR): Likewise.
10288 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10289 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10290 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10291 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10292 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10293 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10294 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10295 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10296 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10297 (OMP_CLAUSE_CODE): Define.
10298 (OMP_CLAUSE_SET_CODE): Define.
10299 (OMP_CLAUSE_CODE): Define.
10300 (OMP_CLAUSE_OPERAND): Define.
10301 (struct tree_omp_clause): Declare.
10302 (union tree_node): Add field 'omp_clause'.
10303 * treestruct.def (TS_OMP_CLAUSE): Define.
10304 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10305 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10306 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10307 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10308 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10309 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10310 (OMP_CLAUSE): Define.
10311 * print-tree.c (print_node): Handle OMP_CLAUSE.
10312 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10313 * c-typeck.c: Likewise.
10314 * gimplify.c: Likewise.
10315 * c-omp.c: Likewise.
10316 * tree-nested.c: Likewise.
10317 * tree-inline.c: Likewise.
10318 * c-parser.c: Likewise.
10319 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10322 2006-01-25 Roger Sayle <roger@eyesopen.com>
10324 PR rtl-optimization/25703
10325 * combine.c (try_combine): Handle zero_extract and strict_low_part
10326 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10328 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10330 * global.c: Fix comment typos.
10332 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10335 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10336 Use output_addr_const instead of assemble_name.
10338 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10340 * Makefile.in (sched-vis.o): Update dependencies.
10341 * haifa-sched.c (sched_finish): Clear current_sched_info.
10342 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10343 (dump_flow_info): Call it.
10344 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10346 * basic-block.h (dump_bb_info): Declare.
10347 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10348 option, and apply options only for dump files whose TDF_RTL,
10349 TDF_TREE, or TDF_IPA bits match.
10350 * rtl.h: Declare new functions exported from sched-vis.c.
10351 * sched-vis.c: Enable also if scheduling is not used.
10352 (print_value): Print the mode of registers if not inside scheduling.
10353 (print_insn): Make it work outside the scheduler. Beautify the output
10355 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10357 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10359 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10360 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10361 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10362 depending on the value of CONSTANT_POOL_ADDRESS_P.
10363 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10365 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10366 rather than SYMBOL_REF_DECL.
10367 (rtx_constant_pool): Remove const_rtx_sym_htab.
10368 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10369 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10370 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10371 Remove handling of const_rtx_sym_htab.
10372 (find_pool_constant): Delete.
10373 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10374 rather than find_pool_constant.
10375 (get_pool_constant_for_function): Delete.
10376 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10377 find_pool_constant.
10378 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10379 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10380 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10381 (SYMBOL_REF_CONSTANT): New macro.
10382 (get_pool_constant_for_function): Delete.
10383 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10384 rather than SYMBOL_REF_DECL.
10385 (i386_pe_mark_dllimport): Likewise.
10386 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10387 rather than SYMBOL_REF_DECL.
10388 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10389 (machopic_indirect_call_target): Likewise.
10391 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10393 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10395 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10397 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10399 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10401 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10403 2006-01-24 David Daney <ddaney@avtrex.com>
10406 * configure.ac (enable_tls): New enable option.
10407 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10408 * configure: Regenerate.
10409 * doc/install.texi (--enable-tls): Document new option.
10410 (--disable-tls): Ditto.
10412 2006-01-24 Richard Henderson <rth@redehat.com>
10414 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10415 * alias.c (true_dependence): Respect it.
10416 (canon_true_dependence, write_dependence_p): Likewise.
10417 * builtins.c (get_builtin_sync_mem): Set it.
10419 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10421 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10424 2006-01-24 DJ Delorie <dj@redhat.com>
10426 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10427 for storing constants in single-bit bitfields.
10429 2006-01-25 Ben Elliston <bje@au.ibm.com>
10431 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10433 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10436 * tree-ssa-pre.c (phi_translate): Return NULL
10437 for AGGREGATE_TYPE's.
10439 2006-01-24 Zack Weinberg <zackw@panix.com>
10441 * genautomata.c (process_state_for_insn_equiv_partition):
10442 Use xcalloc for insn_arcs_array.
10443 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10444 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10446 2006-01-24 Richard Henderson <rth@redhat.com>
10448 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10449 update all callers.
10451 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10453 PR rtl-optimization/25890
10454 PR rtl-optimization/25905
10455 * combine.c (expand_compound_operation, expand_field_assignment):
10456 Fail if the bitfield's final position is out of bounds.
10458 2006-01-24 Ian Lance Taylor <ian@airs.com>
10460 PR middle-end/25930
10461 * cgraphunit.c (cgraph_output_in_order): Don't clear
10462 cgraph_asm_nodes until after asm strings have been output.
10464 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10466 * fix-header.c (read_scan_file): Add new parameter imultilib when
10467 calling register_include_chains.
10469 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10471 * omp-low.c: Update documentation.
10473 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10474 Daniel Berlin <dberlin@dberlin.org>
10478 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10479 return from the function.
10481 2006-01-22 Zack Weinberg <zackw@panix.com>
10483 * rtl.def (match_code): Add second argument.
10484 * genpreds.c (write_extract_subexp): New function.
10485 (write_match_code): Add path argument. Use write_extract_subexp.
10486 (write_predicate_expr): Pass path to write_match_code.
10487 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10488 not perform a mode test.
10489 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10490 a subexpression does not constrain the top-level code set.
10491 * read-rtl.c (read_rtx_variadic): New function.
10492 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10493 * doc/md.texi: Document new notation.
10494 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10495 (cmpsi_operand): ... here, using new notation.
10497 2006-01-22 Zack Weinberg <zackw@panix.com>
10499 * varray.c: Remove GENERATOR_FILE #ifdefs.
10501 2006-01-22 Zack Weinberg <zackw@panix.com>
10503 * genautomata.c (output_reserved_units_table): Emit nothing if
10504 description->query_units_num is zero. Remove extra blank line.
10505 (output_cpu_unit_reservation_p): Short circuit
10506 if description->query_units_num is zero.
10508 2006-01-22 Zack Weinberg <zackw@panix.com>
10510 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10511 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10512 nor any of the random handful of variables that used to be necessary
10513 when this program was linked with rtlanal.o. Prune set of forward
10514 function declarations.
10515 (struct attr_desc): Remove static_p field.
10516 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10517 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10518 (attr_string): Do not read the character one past the length of
10520 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10521 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10522 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10523 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10524 (make_automaton_attrs): New.
10525 (main): Do not call into genautomata. Call local gen_bypass
10526 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10527 Remove special case for insn_alts.
10528 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10529 varray.h (leftover from previous change). Prune set of forward
10530 function declarations. Remove state_alts fields from all
10531 structures. Remove state_alts_table from struct automaton.
10532 Make everything except main static. Do not maintain num_dfa_decls.
10533 Do not maintain state_alts fields of various structures.
10534 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10535 (add_arc): Remove state_alts argument. All callers updated.
10536 (output_reserved_units_table): Emit #ifdef here...
10537 (output_tables): ...not here. Don't generate state_alts tables.
10538 (expand_automata): Don't generate attributes.
10539 (write_automata): Don't generate state_alts functions.
10540 (main): New function.
10541 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10542 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10543 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10544 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10545 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10546 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10547 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10548 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10550 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10551 * genattrtab.h: Delete file.
10552 * Makefile.in (OBJS-common): Add insn-automata.o.
10553 (insn-automata.o): New rule.
10554 (simple_generated_c): Add insn-automata.c.
10555 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10556 (genprogmd): Add automata.
10557 (build/genattrtab): Needs no extra objects nor libraries.
10558 (build/genautomata): Needs build/vec.o and -lm.
10560 2006-01-22 Zack Weinberg <zackw@panix.com>
10562 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10563 (output_dfa_max_issue_rate, locked_states_num): Delete.
10564 (struct automaton): Add locked_states field.
10565 (output_dead_lock_vect): Save number of locked states in
10566 automaton->locked_states. If it is zero, don't print anything.
10567 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10568 (output_internal_dead_lock_func): Only test the dead_lock_vect
10569 for automata that have locked states.
10570 (output_statistics): Always print the number of locked states for
10571 each automaton. Calculate total number of locked states here.
10572 (write_automata): Don't call output_dfa_max_issue_rate.
10573 * genattrtab.c: Define length_unit_log as a const variable.
10574 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10575 max_insn_queue_index const.
10576 * final.c (length_unit_log): Declare const.
10577 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10579 2006-01-22 Zack Weinberg <zackw@panix.com>
10581 * genautomata.c: Include vec.h, not varray.h.
10582 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10583 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10584 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10585 VEC_* macros operating on appropriately typed vectors, or to
10586 malloced arrays when the size is known in advance. Const-ify
10587 many char* variables and function arguments. No functional changes.
10588 * Makefile.in (build/varray.o): Delete rule.
10589 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10590 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10592 2006-01-22 Zack Weinberg <zackw@panix.com>
10594 * gensupport.c: Define get_insn_name and record_insn_name here.
10595 (read_md_rtx): Call record_insn_name as appropriate.
10596 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10597 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10598 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10600 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10601 (BUILD_VARRAY): Delete.
10602 (genprognormal): Rename genprogmd. Fold in all programs from
10603 genprognoprint; also attrtab.
10604 (build/genattrtab): Just mention genautomata.o and varray.o.
10605 Reorganize a bit, add comments to make the categories clearer.
10607 2006-01-22 Zack Weinberg <zackw@panix.com>
10609 * genconditions.c (condition_table, add_condition): Delete.
10610 (write_conditions): Don't emit n_insn_conditions nor
10611 insn_elision_unavailable. Issue the gcc version #ifdef here,
10612 inside the table, with no #else clause ...
10613 (write_header): ...not here.
10614 (write_writer): New function.
10615 (main): Don't initialize condition_table. Use add_c_test.
10617 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10618 files on the command line.
10619 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10620 Return -1 if there is no entry in the table, don't abort.
10621 (add_c_test, traverse_c_tests): New functions.
10622 * gensupport.h (insn_elision_unavailable, insn_conditions)
10623 (n_insn_conditions): Delete declarations.
10624 (add_c_test, traverse_c_tests): Declare.
10625 * read-rtl.c: Include gensupport.h.
10626 (read_conditions): New function.
10627 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10628 (read_rtx_1): If we get EOF when we were looking for an initial
10629 open paren, return 0. Call read_conditions when appropriate.
10630 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10631 dummy-conditions.o. Eliminate references to insn-conditions.o,
10632 or change them to build/gencondmd.o, as appropriate. Remove
10633 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10634 from $(simple_generated_c). For all files remaining in those
10635 two lists, add insn-conditions.md to the generator command line.
10636 Give insn-constants.h/s-constants their own rules. Add rules
10637 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10638 (build/read-rtl.o): Depend on gensupport.h.
10639 (genprognormal): Include preds.
10640 (genprogearly): Rename genprognoprint; only difference is now that
10641 they don't link with $(BUILD_PRINT).
10642 * dummy-conditions.c: Delete.
10644 2006-01-22 Zack Weinberg <zackw@panix.com>
10646 * genextract.c: Don't include insn-config.h. Do include vec.h.
10647 Declare vectors of int, char, and locstr.
10648 (locstr): New typedef.
10649 (struct extraction): Make all array fields into bare pointers.
10650 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10651 (insn_code_number): Delete.
10652 (accum_extract): New struct.
10653 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10654 (gen_insn): Take insn_code_number as an argument. Use an
10655 accum_extract structure instead of loading data directly into
10656 a struct extraction, and having to know how big it might get.
10657 (walk_rtx): Operate entirely on an accum_extract structure.
10658 (print_path): Avoid unnecessary use of printf.
10659 (print_header): New function, split out of main. Distinguish
10660 more carefully between an unrecognizable insn and an insn that
10661 has the code number of a define_expand.
10662 (main): Pass insn_code_number to gen_insn. Call print_header
10663 only after parsing. Avoid unnecessary use of printf.
10664 * Makefile.in (build/vec.o): New rule.
10665 (build/genextract): Depend on build/vec.o.
10666 (build/genextract.o): Don't depend on insn-config.h.
10668 2006-01-22 Zack Weinberg <zackw@panix.com>
10670 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10671 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10672 practical. Eliminate per-generator-program link rules.
10674 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10676 PR middle-end/24437
10677 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10678 with a call expr to ...
10679 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10681 2006-01-23 Richard Guenther <rguenther@suse.de>
10683 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10684 before make_edge with conditional EDGE_TRUE_VALUE.
10686 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10687 Jan Hubicka <jh@suse.cz>
10688 Richard Guenther <rguenther@suse.de>
10690 PR rtl-optimization/25654
10691 * cfgexpand.c (aggregate_contains_union_type): New function.
10692 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10693 for structure variables that contain a union type.
10695 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10697 * gengtype.c (new_structure): Return the structure.
10698 (create_option): Add an extra "next" argument.
10699 (create_field): New function.
10700 (adjust_field_rtx_def): Use create_option and create_field.
10701 Remove a now-unnecessary call to find_structure.
10702 (adjust_field_tree_def): Likewise.
10703 (note_yacc_type): Remove an unnecessary call to find_structure.
10704 * gengtype.h (new_structure): Return the structure.
10705 (create_option): Add an extra argument.
10706 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10707 (option): Adjust calls to create_option.
10709 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10711 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10713 2006-01-22 Paul Brook <paul@codesourcery.com>
10714 Peter Barada <peter@the-baradas.com>
10716 * config/m68k/m68k.md: Add Coldfire FPU support.
10717 Define FP mode macro and associated attributes.
10718 Use it for float mode patterns.
10719 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10720 (LIBCALL_VALUE): Use m68k_libcall_value.
10721 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10722 (m68k_function_value): Ditto.
10723 (emit_move_sequence): Ditto.
10724 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10725 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10726 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10727 (MULTILIB_EXCEPTIONS): Ditto.
10728 * config/m68k/m68k.opt: Add mcfv4e.
10729 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10730 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10731 (m68k_output_function_prologue): Save ColdFire FPU registers.
10732 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10733 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10734 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10735 ColdFire FPU registers.
10736 (m68k_libcall_value, m68k_function_value): New functions.
10737 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10738 (LIBCALL_VALUE): Use m68k_libcall_value.
10739 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10740 (MASK_COLDFIRE): Add MASK_CFV4E.
10741 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10742 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10743 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10744 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10745 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10746 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10747 * doc/invoke.tex: Document -mcfv4e on m68k.
10749 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10751 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10754 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10757 * c-opts.c (c_common_handle_option): Don't include
10758 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10759 * doc/invoke.texi (C++ Dialect Options): Document that
10760 -Wnon-virtual-dtor is no longer included in -Wall.
10762 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10764 * gcov.c (print_version), gcov-dump.c (print_version),
10765 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10768 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10770 * df-scan.c (problem_SCAN): Added NULL reset function.
10771 (df_scan_reset_blocks): Added code to call reset block function
10772 (df_bb_refs_delete) Fixed comment.
10773 (df_insn_refs_delete): Made tolerant of deleting non existent info
10774 for dataflow problems that need to be reset.
10775 * df-core.c (df_set_blocks): Ditto.
10776 * df.h (struct df_problem): Added reset_fun.
10777 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10778 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10779 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10780 functions to clear out all references to def-use or use-def chains.
10782 2006-01-21 Ben Elliston <bje@au.ibm.com>
10784 * varasm.c (assemble_real): Initialise data array.
10786 2006-01-20 Paul Brook <paul@codesourcery.com>
10788 Merge from csl-arm-branch.
10789 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10790 * config/arm/arm.md (movdi): Force operands[1] to a register
10791 if we have a non-register source.
10792 (*arm_movdi, *movdf_soft_insn): Require that one of the
10793 operands be a register.
10794 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10795 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10797 2006-01-20 DJ Delorie <dj@redhat.com>
10799 * varasm.c (initializer_constant_valid_p): Allow pointers
10800 initialized from integer constants of lesser precision.
10801 (output_constant): Allow non-int-sized pointer modes to be
10802 initialized from integer constants.
10804 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10807 * cppdefault.h (struct default_include): Add multilib flag.
10808 * cppdefault.c (cpp_include_defaults): Set it.
10809 * c.opt (-imultilib): New option.
10810 * c-opts.c (imultilib): New.
10811 (c_common_handle_option): Handle -imultilib.
10812 (c_common_post_options): Likewise.
10813 * c-incpath.c (add_standard_paths, register_include_chains):
10815 * c-incpath.h (register_include_chains): Add extra parameter.
10816 * gcc.c (do_spec_1): Generate -imultilib option.
10817 (The Specs Language): Update %I description.
10818 (process_command): Update copyright notice.
10819 * doc/cppopts.texi (-imultilib): Document.
10820 * doc/invoke.texi (-imultilib): Include in option summary.
10821 (%I): Update specs documentation.
10823 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10825 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10827 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10829 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10832 2006-01-20 Richard Guenther <rguenther@suse.de>
10833 Steven Bosscher <stevenb.gcc@gmail.com>
10835 PR rtl-optimization/24626
10836 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10837 EDGE_TRUE_VALUE if in RTL mode.
10840 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10841 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10843 2006-01-20 Dirk Mueller <dmueller@suse.com>
10846 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10847 instead of a special NOP marker.
10848 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10849 NOP marker handling.
10850 * c-common.h (empty_body_warning): Add forward declaration.
10851 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10852 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10854 2006-01-20 Paul Brook <paul@codesourcery.com>
10856 * Makefile.in (lang_checks): Keep going if mkdir fails.
10858 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10860 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10861 be able to clean out basic block when not necessary.
10862 (df_scan_free): Fixed to properly delete information if df is
10863 unused before calling df_finish.
10864 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10865 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10867 (df_bb_refs_delete): New function.
10868 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10869 * df-core.c (df_set_blocks): Added code to properly clean out
10870 unused blocks if they are not part of the blocks to consider.
10871 Added additional null check.
10872 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10873 be able to clean out basic block when not necessary
10874 * df.h (df_free_bb_function): Ditto.
10875 (df_bb_refs_delete): New function.
10876 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10877 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10878 basic block parameter to be able to clean out basic block when not
10880 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10881 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10882 Fixed to properly delete information if df is unused before
10885 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10887 PR rtl-optimization/25799
10888 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10889 Corrected confluence operator to remove bits from op2 before oring
10890 with op1 rather than removing bits from op1.
10891 (df_ru_transfer_function): Corrected test on wrong bitmap which
10892 caused infinite loop. Both of these problems were introduced in
10893 the dataflow rewrite.
10895 2006-01-19 DJ Delorie <dj@redhat.com>
10897 * reload1.c (find_reload_regs): Note the details of reload
10898 failures in the dump file.
10899 (spill_failure): Likewise.
10901 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10903 * loop-iv.c: Include df.h and hashtab.h.
10904 (enum iv_grd_result): New enum.
10905 (DF_REF_IV, DF_REF_IV_SET): New macros.
10906 (struct biv_entry): New.
10907 (df, bivs): New global variables.
10908 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10909 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10911 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10912 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10913 analyzed_for_bivness_p, record_biv): New functions.
10914 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10915 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10916 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10918 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10920 (iv_number_of_iterations): Use new interface to iv analysis.
10921 * loop-unroll.c: Do not include varray.h.
10922 (analyze_iv_to_split_insn): Use new interface to iv
10924 * loop-unswitch.c (may_unswitch_on): Ditto.
10925 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10927 (df_bb_modify): Realloc tables to the new index.
10928 (df_find_use): New function.
10929 * df.h (df_find_use): Declare.
10930 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10932 * cfgloop.h (struct rtx_iv): Remove analysed field.
10933 (iv_get_reaching_def): Removed.
10934 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10935 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10936 (loop-iv.o): Add df.h and hashtab.h dependency.
10937 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10939 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10942 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10944 (__floatundisf, __floatundidf): Likewise.
10945 * libgcc2.h (IS_IBM_EXTENDED): Define.
10947 2006-01-19 DJ Delorie <dj@redhat.com>
10949 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10951 2006-01-19 Paul Brook <paul@codesourcery.com>
10953 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10954 as nothrow when unwinding tables are disabled.
10956 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10959 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10960 of bit-field" when in system header.
10962 2006-01-19 DJ Delorie <dj@redhat.com>
10964 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10965 the 16 bit shift limit of the m16c.
10967 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10970 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10971 * config/i386/i386.c (output_set_got): Output the label if we have one
10972 for the TARGET_DEEP_BRANCH_PREDICTION case.
10974 2006-01-19 Jan Hubicka <jh@suse.cz>
10975 H.J. Lu <hongjiu.lu@intel.com>
10976 Evandro Menezes <evandro.menezes@amd.com>
10978 * invoke.texi (generic): Document
10980 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10981 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10982 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10983 (x86_use_incdec, x86_pad_returns): New variables
10984 (TARGET_CPU_DEFAULT_generic): New constant
10985 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10986 (enum processor_type): Add generic32 and generic64.
10987 * i386.md (cpu attribute): Add generic32/generic64
10988 (movhi splitter): Behave sanely when both partial_reg_dependency and
10989 partial_reg_stall are set.
10990 (K8 splitters): Enable for generic as well.
10991 * predicates.md (incdec_operand): Use TARGET_INCDEC
10992 (aligned_operand): Avoid memory mismatch stalls.
10993 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10994 * ppro.md: Enable for generic32
10995 * i386.c (generic64_cost, generic32_cost): New.
10996 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10997 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10998 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10999 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11000 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11001 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11002 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11003 x86_accumulate_outgoing_args, x86_prologue_using_move,
11004 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11005 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11006 Enable for generic.
11007 (x86_use_incdec, x86_pad_returns): New.
11008 (override_options): Add generic32 and generic64, translate "generic"
11009 to generic32/generic64 and "i686" to "generic32", refuse
11010 "generic32"/"generic64" as arch target.
11011 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11012 (ix86_reorg): Honor PAD_RETURNS.
11014 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11016 * tree-pretty-print.c (dump_generic_node): Handle
11017 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11018 * cgraph.c (cgraph_expand_queue): Rename from
11019 cgraph_analyze_queue. Update all users.
11020 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11021 cgraph_expand_queue.
11022 (cgraph_expand_all_functions): Likewise.
11023 (cgraph_finalize_pending_functions): Remove. Update callers.
11025 * tree.h (OMP_DIRECTIVE_P): Define.
11026 (OMP_PARALLEL_FN): Define.
11027 (OMP_PARALLEL_DATA_ARG): Define.
11028 (OMP_SECTIONS_SECTIONS): Define.
11029 * tree-pass.h (pass_expand_omp): Declare.
11030 * omp-low.c (struct omp_region): Declare.
11031 (struct omp_context): Remove fields 'parallel_type',
11032 'parallel_start_ix' and 'parallel_start_additional_args'.
11034 (struct omp_for_data): Rename from struct expand_omp_for_data.
11035 (omp_regions): New static variable.
11036 (root_omp_region): New static variable.
11037 (find_omp_clause): Make static.
11038 (is_in_combined_parallel_ctx): Remove.
11039 (is_combined_parallel): New.
11040 (extract_omp_for_data): Move earlier in the file.
11041 (workshare_safe_to_combine_p): New.
11042 (get_ws_args_for): New.
11043 (determine_parallel_type): Move earlier in the file.
11044 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11046 (omp_copy_decl): Likewise.
11047 (create_omp_child_function): Likewise.
11048 (lookup_omp_region): New.
11049 (dump_omp_region): New.
11050 (debug_omp_region): New.
11051 (debug_all_omp_regions): New.
11052 (new_omp_region): New.
11053 (scan_omp_parallel): If parallel_nesting_level > 1, the
11054 directive is nested within another parallel directive.
11055 Set OMP_PARALLEL_FN.
11056 (scan_omp_for): Do not try to handle combined parallel+for
11058 Remove FIXME comment.
11059 (scan_omp_nested): Remove.
11060 (scan_omp_1): Do not call scan_omp_nested when
11061 parallel_nesting_level is > 1.
11062 Do not change the DECL_CONTEXT of local variables found.
11063 (lookup_decl_in_outer_ctx): New.
11064 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11065 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11066 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11067 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11068 If CTX is nested, lookup VAR in the outer context when
11069 building copy assignment.
11070 (lower_send_clauses): Rename from expand_send_clauses.
11071 If CTX is nested, lookup VAR in the outer context when
11072 building copy assignments.
11073 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11074 If CTX is nested, lookup VAR in the outer context when
11075 building copy assignments.
11076 (expand_parallel_call): Rename from build_parallel_call.
11077 Handle combined parallel+workshare cases.
11078 Re-implement to emit code into the CFG.
11080 (expand_omp_parallel): Re-implement to emit code into the CFG.
11081 Call move_sese_region_to_fn to outline the sub-graph
11082 containing the parallel region.
11083 (expand_omp_for_1): Remove.
11084 (expand_omp_for_generic): Re-implement to emit code into the
11086 (expand_omp_for_static_nochunk): Likewise.
11087 (expand_omp_for_static_chunk): Likewise.
11088 (expand_omp_for): Likewise.
11089 (expand_omp_sections): Likewise.
11090 (remove_exit_barriers): New.
11091 (expand_omp_synch): New.
11093 (build_omp_regions_1): New.
11094 (build_omp_regions): New.
11095 (execute_expand_omp): New.
11096 (gate_expand_omp): New.
11097 (pass_expand_omp): Define.
11098 (lower_omp_sections): Rename from expand_omp_sections.
11099 Set OMP_SECTIONS_SECTIONS.
11100 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11101 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11102 (lower_omp_single): Rename from expand_omp_simple.
11103 (lower_omp_master): Rename from expand_omp_master.
11104 (lower_omp_ordered): Rename from expand_omp_ordered.
11105 (lower_omp_critical): Rename from expand_omp_critical.
11106 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11107 (lower_omp_for): Re-implement.
11108 (lower_omp_parallel): Re-implement.
11109 (lower_regimplify): Rename from expand_regimplify.
11110 (lower_omp_1): Rename from expand_omp_1.
11111 If there are syntax errors in the program, replace every
11112 OpenMP directive with NOP.
11113 Call lower_omp_* instead of expand_omp_*.
11114 (lower_omp): Rename from expand_omp.
11116 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11117 * tree-gimple.h (enum omp_parallel_type): Remove.
11118 (gimple_boolify): Declare extern.
11119 (find_omp_clause, determine_parallel_type): Remove.
11121 * gimple-low.c (lower_omp_directive): New.
11122 (lower_stmt): Call it.
11123 (record_vars_into): Move from ...
11124 (record_vars): ... here.
11125 Call record_vars_into with current_function_decl.
11127 * gimplify.c (struct gimplify_ctx): Remove fields
11128 combined_pre_p and combined_ctxp. Update users.
11129 (get_formal_tmp_var): Add documentation.
11130 (gimple_boolify): Make extern.
11131 (gimplify_expr_in_ctx): Remove. Update callers.
11132 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11133 will always be a BIND_EXPR.
11134 (gimplify_expr): Handle OMP_RETURN_EXPR.
11135 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11136 (OMP_PARALLEL): Add 3 operands.
11137 (OMP_SECTIONS): Add 1 operand.
11138 (OMP_RETURN_EXPR): Define.
11140 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11141 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11142 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11143 creating a circular free list.
11144 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11146 * tree-flow.h (move_sese_region_to_fn): Declare.
11147 (record_vars_into): Declare.
11148 * tree-cfg.c (make_omp_sections_edges): New.
11149 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11150 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11151 OMP_SECTIONS and OMP_SECTION.
11152 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11153 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11154 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11155 (gather_blocks_in_sese_region): New.
11156 (struct move_stmt_d): Declare.
11157 (move_stmt_r): New.
11158 (move_block_to_fn): New.
11159 (move_sese_region_to_fn): New.
11161 * passes.c (init_optimization_passes): Schedule
11162 pass_expand_omp after pass_init_datastructures.
11164 * tree-ssa-operands.c (get_expr_operands): Handle
11165 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11166 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11168 2006-01-19 Jeff Law <law@redhat.com>
11170 * tree-vrp.c (extract_range_from_assert): Refine the result range
11171 if the variable referenced by the ASSERT_EXPR has a range and
11172 either the tentative result range or the previous range is a
11175 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11177 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11179 2006-01-19 Jan Hubicka <jh@suse.cz>
11181 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11183 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11185 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11186 (expand_compound_operation, expand_field_assignment): Fail if the
11187 bit lengths of an extract operation are out of range.
11188 (make_extraction): Compute wanted_inner_mode based on the position
11189 and length of the extraction. Make it extraction_mode for non-constant
11190 positions, and do not modify offset in that case. When generating a
11191 new MEM, use a mode that can hold the extraction while keeping correct
11192 alignment. Remove code that supported MEMs wrapped by USEs.
11193 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11195 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11197 * config/s390/s390.md ("Y", "y"): New mode attribute.
11198 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11199 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11200 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11201 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11202 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11203 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11204 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11205 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11206 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11207 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11208 "addsi3", "subsi3"): Insn patterns removed.
11209 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11210 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11211 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11212 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11213 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11214 "*sub<mode>3_cconly2"): New insn patterns.
11215 ("addsi3", "subsi3"): New expanders.
11217 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11219 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11220 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11221 existing STMT_VINFO_VECTYPE if available.
11222 (vect_mark_relevant): Add special handling for stmts that are
11223 marked as STMT_VINFO_IN_PATTERN_P.
11224 (vect_analyze_loop): Call vect_pattern_recog.
11225 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11226 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11228 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11229 (vect_recog_func_ptr): New function-pointer type.
11230 * tree-vect-patterns.c: New file.
11231 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11232 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11233 (vect_pattern_recog_1): New functions.
11234 (vect_pattern_recog_funcs): New array of function pointers.
11236 * tree-vectorizer.h (ternary_op): New enum value.
11237 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11238 declaration. Revised documentation. Removed redundant dump prints.
11239 Removed redundant argument. Added support for reduction patterns.
11240 (vectorizable_reduction): Added support for reduction patterns.
11241 (vect_transform_stmt): Added support for patterns.
11243 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11244 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11245 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11246 (expand_widen_pattern_expr): New function.
11247 (init_optabs): Initialize new optabs udot_prod_optab,
11249 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11250 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11251 (expand_widen_pattern_expr): New function declaration.
11252 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11254 * tree-inline.c (estimate_num_insns_1): Added cases for new
11255 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11256 * tree-pretty-print.c (dump_generic_node): Likewise.
11257 (op_prio): Likewise.
11258 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11259 * tree-ssa-operands.c (get_expr_operands): Added case for
11261 * tree-vect-patterns.c (widened_name_p): New function.
11262 (vect_recog_dot_prod_pattern): Added function implementation.
11263 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11264 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11265 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11266 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11268 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11269 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11270 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11271 (init_optabs): Initialize new optabs widen_ssum_optab,
11273 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11274 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11275 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11276 use instead of type of def.
11277 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11278 function implementation.
11279 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11280 widen_ssumv8hi): New.
11282 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11285 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11288 * c-decl.c (add_flexible_array_elts_to_size): New function.
11289 (finish_decl): Use it.
11291 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11293 * diagnostic.h: Include options.h.
11294 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11295 dependancies for diagnostic.h.
11296 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11298 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11300 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11301 (ssa_ro_call_cache_valid): Ditto.
11302 * tree-ssa-alias.c (sort_tags_by_id): New function.
11303 (init_transitive_clobber_worklist): Ditto.
11304 (add_to_worklist): Ditto.
11305 (mark_aliases_call_clobbered): Ditto.
11306 (compute_tag_properties): Ditto.
11307 (set_initial_properties): Ditto.
11308 (compute_call_clobbered): Ditto.
11309 (compute_may_aliases): Call compute_call_clobbered and grouping.
11310 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11311 (compute_flow_insensitive_aliasing): Grouping now happens in our
11313 (setup_pointers_and_addressables): Remove clobbering related code.
11314 (add_may_alias): Ditto.
11315 (replace_may_alias): Ditto.
11316 (get_nmt_for): Ditto.
11317 (create_global_var):
11318 (is_escape_site): Return an escape_type enumeration.
11319 * tree-flow-inline.h (is_call_clobbered): Global var does not
11320 imply call clobbered.
11321 (mark_call_clobbered): Take a reason for marking this. Remove
11322 marking of globalness, and cache invalidation.
11323 (clear_call_clobbered): Remove cache invalidation code.
11324 * tree-dfa.c (dump_variable): If details is on, dump the reason
11326 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11328 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11329 (struct var_ann_d): Ditto.
11330 (enum escape_type): New.
11331 (mark_call_clobbered): Adjust prototype.
11332 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11333 are never call clobbered.
11334 Record reasons for escaping.
11335 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11336 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11337 (ssa_ro_call_cache_valid): Ditto.
11338 (clobbered_v_may_defs): Ditto.
11339 (clobbered_vuses): Ditto.
11340 (ro_call_vuses): Ditto.
11341 (clobber_stats): New.
11342 (init_ssa_operands): Zero out clobber stats.
11343 (fini_ssa_operands): Print out clobber stats.
11344 (get_call_expr_operands): Pass callee fndecl to
11345 add_call_read_ops).
11346 (add_call_clobber_ops): Remove use of cache.
11347 Add use of PURE_CONST information.
11348 (add_call_read_ops): Remove use of cache.
11349 Add use of static not_read information.
11351 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11353 Introduce TLS descriptors for i386 and x86_64.
11354 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11355 (TARGET_ANY_GNU_TLS): New macro.
11356 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11357 (struct machine_function): Add tls_descriptor_call_expanded_p.
11358 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11359 (ix86_current_function_calls_tls_descriptor): Likewise.
11360 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11361 (override_options): Introduce gnu2 tls dialect.
11362 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11364 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11366 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11367 (ix86_init_machine_status): Initialize new field.
11368 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11369 (ix86_tls_module_base): New.
11370 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11371 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11372 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11373 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11374 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11375 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11376 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11377 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11378 * config/i386/predicates.md (tls_modbase_operand): New.
11379 (tp_or_register_operand): New.
11381 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11383 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11384 (look_for_address_of): Ditto.
11385 (ipa_init): Walk the function decls.
11386 (static_execute): Don't set readonly on FUNCTION_DECL's.
11388 2006-01-18 Roger Sayle <roger@eyesopen.com>
11390 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11391 for shifts where the source and destination registers are different.
11393 2006-01-18 Paul Brook <paul@codesourcery.com>
11395 Merge from csl-arm-branch.
11396 2005-03-14 Julian Brown <julian@codesourcery.com>
11397 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11398 (aeabi_llsl): Likewise.
11399 (ashrdi3): Likewise.
11400 (aeabi_lasr): Likewise.
11401 (lshrdi3): Likewise.
11402 (aeabi_llsr): Likewise.
11403 2005-03-10 Julian Brown <julian@codesourcery.com>
11404 * config.gcc: Disable shared libgcc for SymbianOS.
11405 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11407 2006-01-18 DJ Delorie <dj@redhat.com>
11409 * c-pragma.c (handle_pragma_diagnostic): New.
11410 (init_pragma): Register it.
11411 * doc/extend.texi: Document it.
11413 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11414 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11415 (diagnostic_context): Add classify_diagnostic[].
11416 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11417 as errors if they're overridden to DK_WARNING.
11418 (diagnostic_initialize): Initialize classify_diagnostic[].
11419 (diagnostic_set_kind_override): New.
11420 (diagnostic_report_diagnostic): Check for kind changes.
11421 * opts.c (common_handle_option): Take lang_mask. Update callers.
11422 Handle OPT_Werror_.
11423 * common.opt (Werror=): New.
11424 * doc/invoke.texi: Document -Werror=*
11426 2006-01-18 Jeff Law <law@redhat.com>
11428 * tree-vrp.c (test_for_singularity): Correct test for new
11429 min limit. Use operand_equal_p rather than pointer equality
11430 for testing if new min/max values are equal.
11432 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11433 using range information until after propagation and folding.
11435 2006-01-18 Richard Henderson <rth@redhat.com>
11436 Aldy Hernandez <aldyh@redhat.com>
11437 Jakub Jelinek <jakub@redhat.com>
11438 Diego Novillo <dnovillo@redhat.com>
11440 * omp-low.c: New file.
11441 * c-omp.c: New file.
11443 2006-01-18 Richard Henderson <rth@redhat.com>
11444 Jakub Jelinek <jakub@redhat.com>
11445 Diego Novillo <dnovillo@redhat.com>
11447 * doc/invoke.texi: Document -fopenmp.
11448 * tree-dump.h (debug_function): Declare.
11449 * hooks.c (hook_bool_tree_bool_false): New function.
11450 (hook_tree_tree_null): Remove.
11451 (hook_tree_tree_tree_null): New.
11452 * hooks.h: Update to match.
11453 * tree-pretty-print.c (debug_tree_chain): New.
11454 (print_generic_expr): Handle TDF_CHAIN.
11455 (dump_generic_node): Handle BLOCK.
11456 Do not abort with incomplete SWITCH_EXPRs.
11457 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11458 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11459 print space after directive name.
11460 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11461 Handle OMP_MASTER and OMP_ORDERED.
11462 Handle printing of OMP_BODY just in one place, goto
11463 dump_omp_body in the rest of OMP_* nodes that have
11465 Don't handle clause nodes here. Update omp statements to
11466 use dump_omp_clauses.
11467 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11468 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11469 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11470 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11471 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11472 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11473 Adjust output for GOMP_PARALLEL.
11474 (dump_omp_clauses): New.
11475 (print_declaration): Dump DECL_VALUE_EXPR.
11476 (op_symbol_1): Split out of op_symbol.
11477 (dumping_stmts): Remove. Update all users.
11478 * cgraph.c (cgraph_analyze_queue): New.
11479 (cgraph_add_new_function): New.
11480 * cgraph.h (cgraph_analyze_queue): Declare.
11481 (cgraph_add_new_function): Declare.
11482 (cgraph_lower_function): Remove.
11483 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11484 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11485 and TYPE_P nodes in its default clause.
11486 (empty_body_p): New.
11487 (tree_range_check_failed): New.
11488 (build5_stat): New.
11489 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11490 OMP_CLAUSE_REDUCTION_MERGE,
11491 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11492 OMP_CLAUSE_PRIVATE_DEBUG,
11493 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11494 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11495 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11496 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11497 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11498 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11499 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11500 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11501 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11502 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11503 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11504 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11505 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11506 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11507 (TREE_RANGE_CHECK): New.
11508 (empty_body_p): Declare.
11509 (enum omp_clause_default_kind): New.
11510 (build_string_literal): Declare.
11511 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11512 (build5_stat, build5): Declare.
11513 * tree-pass.h (TDF_CHAIN): Define.
11514 * tree-pass.h (PROP_gimple_lomp): Define.
11515 (pass_lower_omp): Declare.
11516 * diagnostic.h (debug_tree_chain): Declare.
11517 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11519 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11520 * builtins.c (build_string_literal): Make extern.
11521 * gcc.c (include_spec_function): New.
11522 (static_spec_functions): Add it.
11523 (main): Move load of libgomp.spec ...
11524 (LINK_COMMAND_SPEC): ... here.
11525 (link_gomp_spec): New.
11526 (static_specs): Include it.
11527 (LINK_COMMAND_SPEC): Add link_gomp.
11528 (GOMP_SELF_SPECS): New.
11529 (driver_self_specs): Include it.
11530 (switch_matches): Don't mark inline.
11531 (main): Load libgomp.spec.
11532 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11533 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11534 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11535 * tree-gimple.h (enum omp_parallel): Declare.
11536 (determine_parallel_type): Declare.
11537 (omp_firstprivatize_variable): Declare.
11538 (omp_reduction_init): Declare.
11539 (diagnose_omp_structured_block_errors): Declare.
11540 (struct walk_stmt_info): Add want_return_expr.
11541 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11542 (find_omp_clause): Declare.
11543 (insert_field_into_struct): Declare.
11544 (struct walk_stmt_info): Move from tree-nested.c
11545 (walk_stmts): Declare.
11546 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11548 * cgraphunit.c (cgraph_lower_function): Make static.
11549 (cgraph_finalize_pending_functions): New.
11550 (cgraph_finalize_function): Call it.
11551 (cgraph_finalize_compilation_unit): Likewise.
11552 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11553 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11554 (BT_FN_UINT_UINT): New.
11555 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11556 DEF_FUNCTION_TYPE_VAR_4): Document.
11557 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11558 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11559 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11560 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11561 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11562 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11563 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11564 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11565 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11566 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11567 into separate files.
11568 (DEF_GOMP_BUILTIN): New.
11569 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11570 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11571 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11572 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11573 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11574 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11575 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11576 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11577 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11578 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11579 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11580 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11581 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11582 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11583 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11584 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11585 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11586 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11587 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11588 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11589 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11590 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11591 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11592 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11593 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11594 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11595 * sync-builtins.def: New file, moved from builtins.def.
11596 * omp-builtins.def: New file, moved from builtins.def.
11597 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11598 * gimple-low.c (lower_function_body): Clear data.
11599 (lower_stmt): Do not handle COMPOUND_EXPR.
11600 Remove call to print_node_brief.
11601 * c-tree.h (c_finish_omp_clauses): New prototype.
11602 (C_DECL_THREADPRIVATE_P): Define.
11603 (lookup_name_no_remap, c_omp_remap_private): Remove
11604 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11605 (check_for_loop_decls): Update decl.
11606 (lookup_name_no_remap, c_omp_remap_private): Declare.
11607 (build_indirect_ref, build_modify_expr, pushdecl,
11608 pushdecl_top_level): Move to c-common.h.
11609 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11610 before the switch, but just in the 2 places that need it.
11611 * c-decl.c (diagnose_mismatched_decls): Do not check for
11612 mismatched thread-local attributes when OLDDECL is marked
11613 threadprivate and NEWDECL has no thread-local attributes.
11614 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11615 (c_gimple_diagnostics_recursively): Rename from
11616 c_warn_unused_result_recursively. Invoke
11617 diagnose_omp_structured_block_errors.
11618 (check_for_loop_decls): Return a singular decl found.
11619 * langhooks.c (lhd_omp_predetermined_sharing): Return
11620 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11621 (lhd_omp_firstprivatize_type_sizes): New.
11622 (lhd_omp_assignment): New.
11623 (lhd_omp_predetermined_sharing): New.
11624 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11625 (struct lang_hooks_for_types): Add
11626 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11627 omp_predetermined_sharing, omp_disregard_value_expr,
11628 omp_private_debug_clause, omp_clause_default_ctor,
11629 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11630 (c_finish_omp_clauses): New.
11631 (c_finish_bc_stmt): Diagnose break within omp for.
11632 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11633 (build_unary_op): Return error_mark after reporting
11635 (build_modify_expr): Likewise.
11636 * gimplify.c: Include optabs.h and pointer-set.h.
11637 (enum gimplify_omp_var_data): Declare.
11638 (struct gimplify_omp_ctx): Declare.
11639 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11641 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11642 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11643 (splay_tree_compare_decl_uid): New.
11644 (new_omp_context): New.
11645 (delete_omp_context): New.
11646 (gimple_add_tmp_var): Call omp_add_variable.
11647 (gimplify_bind_expr): Likewise.
11648 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11649 true, disregard DECL_VALUE_EXPR on the decl if any.
11650 (gimplify_expr_in_ctx): New.
11651 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11652 omp_add_variable, omp_notice_variable, omp_is_private
11653 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11654 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11655 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11656 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11657 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11658 gimplify_omp_atomic): New.
11659 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11660 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11661 OMP_CRITICAL and OMP_ATOMIC.
11662 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11663 * c-pragma.h (enum pragma_kind): Add
11664 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11665 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11666 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11667 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11668 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11669 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11670 PRAGMA_OMP_THREADPRIVATE.
11671 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11672 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11673 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11674 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11675 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11676 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11677 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11678 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11679 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11680 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11681 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11682 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11683 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11685 (struct nesting_info): Add field_map,
11686 suppress_expansion, debug_var_chain.
11687 (create_nesting_tree): Initialize them.
11688 (lookup_field_for_decl): Use field_map.
11689 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11690 (convert_local_omp_clauses): New.
11691 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11692 (walk_body): Split out of walk_function.
11693 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11694 (convert_nonlocal_reference): Handle omp statements.
11695 (convert_local_reference): Likewise.
11696 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11697 (unnest_nesting_tree): New.
11698 (lower_nested_functions): Call it.
11699 (insert_field_into_struct): Make extern.
11700 (struct walk_stmt_info): Move to tree-gimple.h.
11701 (walk_stmts): Make extern.
11702 * omp-builtins.def: New file.
11703 * tree-iterator.c (expr_only): Clarify comment.
11704 * c-common.h (pushdecl_top_level, pushdecl,
11705 build_modify_expr, build_indirect_ref,
11706 c_finish_omp_master, c_finish_omp_critical,
11707 c_finish_omp_ordered, c_finish_omp_barrier,
11708 c_finish_omp_atomic, c_finish_omp_flush,
11709 c_finish_omp_for, c_split_parallel_clauses,
11710 omp_clause_default_kind, c_omp_sharing_predetermined,
11711 c_omp_remap_decl): Declare.
11712 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11713 (OBJS-common): Add omp-low.o.
11714 (c-omp.o, omp-low.o): Add.
11715 (gimplify.o): Add dependency on $(OPTABS_H).
11716 (GTFILES): Add omp-low.c.
11717 (gt-stringpool.h): Add.
11718 * tree-cfg.c (set_bb_for_stmt): Do not update the
11719 block-to-labels map if we are currently expanding to RTL.
11720 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11722 Handle IDENTIFIER_NODE.
11723 (tree_verify_flow_info): Do not ICE when emitting error
11724 messages about invalid labels.
11725 (dump_function_to_file): Reset CFUN before emitting the body
11727 (debug_function): New.
11728 * passes.c (init_optimization_passes): Schedule
11730 * langhooks-def.h (lhd_omp_predetermined_sharing,
11731 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11733 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11734 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11735 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11736 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11737 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11738 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11739 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11740 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11741 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11742 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11743 (LANG_HOOK_DECLS): Use them.
11745 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11746 Richard Henderson <rth@redhat.com>
11747 Jakub Jelinek <jakub@redhat.com>
11748 Diego Novillo <dnovillo@redhat.com>
11750 * c-parser.c (pragma_omp_clause): Define.
11751 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11752 (c_parser_compound_statement): Likewise.
11753 (c_parser_statement): Likewise.
11754 (c_parser_pragma): Handle omp pragmas.
11755 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11756 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11757 (c_parser_omp_clause_name, check_no_duplicate_clause,
11758 c_parser_omp_variable_list,
11759 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11760 c_parser_omp_clause_copyprivate,
11761 c_parser_omp_clause_default,
11762 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11763 c_parser_omp_clause_lastprivate,
11764 c_parser_omp_clause_nowait,
11765 c_parser_omp_clause_num_threads,
11766 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11767 c_parser_omp_clause_reduction,
11768 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11769 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11770 c_parser_omp_atomic, c_parser_omp_barrier,
11771 c_parser_omp_critical, c_parser_omp_flush,
11772 c_parser_omp_for_loop, c_parser_omp_for,
11773 c_parser_omp_master, c_parser_omp_ordered,
11774 c_parser_omp_sections_scope, c_parser_omp_sections,
11775 c_parser_omp_parallel, c_parser_omp_single,
11776 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11777 * c-pragma.c (init_pragma): Do omp pragma registration here.
11778 * c.opt (fopenmp): New flag.
11780 2006-01-18 Eric Christopher <echristo@apple.com>
11782 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11783 * config/darwin.h (GOMP_SELF_SPECS): Define.
11785 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11787 * rtl.h: Remove the prototype for reg_alloc.
11789 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11792 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11793 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11794 sjlj and dwarf2 exception handling.
11795 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11796 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11797 * pa/pa.c (function_value): Treat complex and vector types as
11799 (function_arg): Likewise. Only pass scalar floats in the floating
11800 point argument registers.
11801 * pa/t-slibgcc-dwarf-ver: New file.
11802 * pa/t-slibgcc-sjlj-ver: New file.
11803 * pa/t-slibgcc-elf-ver: Delete file.
11805 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11807 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11808 unlikely_test_section_p test.
11810 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11812 * mode-switching.c (optimize_mode_switching): Make it static.
11813 * basic-block.h: Remove the prototype for
11814 optimize_mode_switching.
11816 * modulo-sched.c (sms_schedule): Make it static.
11817 * rtl.h: Remove the prototype for sms_schedule.
11819 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11820 * rtl.h: Remove the prototype for gcse_after_reload_main.
11822 * reg-stack.c (reg_to_stack): Make it static.
11823 * rtl.h: Remove the prototype for reg_to_stack.
11825 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11827 * rtl.h: Remove the prototypes for regrename_optimize and
11828 copyprop_hardreg_forward.
11830 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11832 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11833 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11834 Test against the appropriate null constant for the mode.
11835 If 'fixup_overlap' is true, swap the operands if they overlap.
11836 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11837 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11838 alpha_split_tmode_pair and adjust for above change.
11839 * config/alpha/alpha.md (movtf_internal): Adjust call to
11840 alpha_split_tfmode_pair and rely on it to swap the operands.
11841 (movti_internal): New insn and post-reload splitter.
11842 (movti): New expander.
11844 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11846 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11849 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11851 * rtlanal.c (global_reg_mentioned_p_1,
11852 global_reg_mentioned_p): Remove.
11853 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11855 * flow.c (initialize_uninitialized_subregs): Make it static.
11856 * rtl.h: Remove the prototype for
11857 initialize_uninitialized_subregs.
11859 * function.c (instantiate_virtual_regs): Make it static.
11860 * function.h: Remove the prototype for
11861 instantiate_virtual_regs.
11863 * regmove.c (regmove_optimize, combine_stack_adjustments):
11865 * rtl.h: Remove the prototypes for regmove_optimize and
11866 combine_stack_adjustments.
11868 2006-01-17 Roger Sayle <roger@eyesopen.com>
11870 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11871 (size_cost): Encode costs in bytes so that a reg-reg addition is
11872 equivalent to COSTS_N_INSNS(1).
11873 (override_options): Use the size_cost.branch_cost as the default
11874 ix86_branch_cost when optimizing for size.
11876 2006-01-18 Ben Elliston <bje@au.ibm.com>
11878 * Makefile.in (D32PBIT_FUNCS): New.
11879 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11880 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11881 D64PBIT_FUNCS and D128PBIT_FUNCS.
11882 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11883 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11885 (decnumber_dep): Define.
11886 * doc/libgcc.texi (Decimal float library routines): New node.
11887 * config/dfp-bit.h, config/dfp-bit.c: New files.
11889 2006-01-18 Ben Elliston <bje@au.ibm.com>
11891 * expr.c (emit_move_change_mode): Always adjust addresses, not
11892 just during reload. Copy replacements only during reload.
11893 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11894 emit_move_via_integer.
11896 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11898 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11899 instead of $(srcdir) and ${srcdir}.
11901 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11904 PR middle-end/11135
11905 * arm.h (struct machine_function): Add pic_reg.
11906 * arm.c (arm_pic_register): Make unsigned.
11907 (arm_override_options): Only set arm_pic_register if
11908 TARGET_SINGLE_PIC_BASE.
11909 (use_return_insn): Only test for a pic register if it is fixed.
11910 (arm_compute_save_reg0_reg12_mask): Likewise.
11911 (thumb_compute_save_reg_mask): Likewise.
11912 (legitimate_pic_operand): Factor out some known invariants.
11913 (legitimize_pic_address): If we don't have a fixed pic register,
11914 then set up a pseudo in the function entry sequence. Handle the
11915 pic base being in a pseudo.
11916 (arm_load_pic_register): Handle the pic register being in a pseudo.
11917 (arm_expand_prologue): Only set up the pic register if it is fixed.
11918 (thumb_expand_prologue): Likewise.
11919 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11920 (pic_load_addr_based_insn): Likewise.
11921 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11924 2006-01-18 Ben Elliston <bje@au.ibm.com>
11926 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11927 decimal float modes for all floating point registers.
11929 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11930 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11932 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11935 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11936 even when the pointer is not NULL.
11938 2006-01-16 Ian Lance Taylor <ian@airs.com>
11940 * common.opt (ftoplevel-reorder): New option.
11941 * cgraph.c (cgraph_asm_nodes): New global variable.
11942 (cgraph_asm_last_node): New static variable.
11943 (cgraph_order): New global variable.
11944 (cgraph_create_node): Set new order field.
11945 (cgraph_varpool_node): Likewise.
11946 (decide_is_variable_needed): Return true if not
11947 flag_toplevel_reorder.
11948 (cgraph_add_asm_node): New function.
11949 * cgraph.h (struct cgraph_node): Add order field.
11950 (struct cgraph_varpool_node): Add order field.
11951 (struct cgraph_asm_node): Define.
11952 (cgraph_asm_nodes, cgraph_order): Declare.
11953 (cgraph_add_asm_node): Declare.
11954 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11956 (cgraph_varpool_assemble_pending_decls): Call it.
11957 (cgraph_output_pending_asms): New static function.
11958 (cgraph_finalize_compilation_unit): Call it.
11959 (struct cgraph_order_sort): Define.
11960 (cgraph_output_in_order): New static function.
11961 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11962 !flag_toplevel_reorder case.
11963 * c-parser.c: Include "cgraph.h".
11964 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11966 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11967 than -fno-unit-at-a-time.
11968 * doc/invoke.texi (Option Summary): Mention
11969 -fno-toplevel-reorder.
11970 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11971 -funit-at-a-time documentation.
11973 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11974 Kazu Hirata <kazu@codesourcery.com>
11976 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11978 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11980 * Makefile.in (FUNCTION_H): New. Use it instead of
11981 function.h throughout the file.
11982 * function.h: Include tree.h.
11984 2006-01-17 Ben Elliston <bje@au.ibm.com>
11986 * recog.c: Separate some functions with whitespace.
11988 2006-01-16 Richard Henderson <rth@redhat.com>
11990 Merge from gomp branch:
11991 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11992 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11993 and rename from struct inline_data. Rename callee* to dst*;
11994 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11995 transform_new_cfg, transform_return_to_modify, and
11996 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11998 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11999 (copy_decl_for_dup): Remove.
12000 * tree-inline.c (struct inline_data): Move to header.
12001 (insert_decl_map): Export.
12002 (remap_decl): Update for member name changes. Use copy_decl hook.
12003 Allow for replacement to be a non-decl. Remove dead code.
12004 (remap_type_1): Check for existing mapping.
12005 (remap_type): Export.
12006 (remap_decls): Update for member name changes.
12007 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12008 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12009 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12010 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12011 (tree_function_versioning, build_duplicate_type): Likewise.
12012 (copy_body_r): Likewise. Export.
12013 (copy_decl_for_dup): Split into ...
12014 (copy_decl_for_dup_finish, copy_decl_to_var,
12015 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12016 (replace_ref_tree, inlining_p): Remove.
12018 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12020 * ifcvt.c (if_convert): Make it static.
12021 * rtl.h: Remove the prototype for if_convert.
12023 * local-alloc.c (local_alloc): Make it static.
12024 * rtl.h: Remove the prototype for local_alloc.
12026 * loop.c (loop_optimize): Make it static.
12027 * cfgloop.h: Remove the prototype for loop_optimize.
12030 2006-01-16 DJ Delorie <dj@redhat.com>
12032 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12035 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12037 * pa.md: Disparage copies between general and floating-point registers
12038 in 32-bit move patterns.
12040 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12043 * Makefile.in (check-%): Depend on site.exp instead of
12044 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12047 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12049 * global.c (global_alloc): Make it static.
12050 * rtl.h: Remove the prototype for global_alloc.
12052 2006-01-16 Richard Guenther <rguenther@suse.de>
12054 * tree-ssa-alias.c (struct used_part): Add write_only field.
12055 (get_or_create_used_part_for): Initialize it to true.
12056 (create_overlap_variables_for): Don't create structure variables
12057 for structures that only are written to.
12058 (find_used_portions): Handle MODIFY_EXPR to track whether a
12059 structure is only written to.
12061 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12063 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12065 * basic-block.h: Remove the prototype for
12066 partition_hot_cold_basic_blocks.
12068 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12070 * cppspec.c (lang_specific_spec_functions): Remove.
12071 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12072 * gcc.h (lang_specific_spec_functions): Remove.
12073 * gccspec.c (lang_specific_spec_functions): Remove.
12075 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12077 * combine.c (record_value_for_reg): Invalidate registers
12079 (record_dead_and_set_regs_1): Likewise, by passing them to
12080 record_value_for_reg.
12081 (record_dead_and_set_regs): Invalidate stores made by a
12082 call. We do not combine across a call, but we still
12083 relied on equivalences.
12085 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12087 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12088 vrp_int_const_binop returning non-constant nodes.
12090 2006-01-16 Paul Brook <paul@codesourcery.com>
12092 * config/m68k/m68k.c (output_move_const_into_data_reg):
12093 Output correct mnemonic for mvz and mvs.
12095 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12097 * rtl-factoring.c: Add sequence abstraction algorithm.
12098 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12099 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12101 (block_has_preserve_label): New function.
12102 * common.opt: Register new pass.
12103 * Makefile.in: Ditto.
12105 * timevar.def: Ditto.
12106 * tree-pass.h: Ditto.
12107 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12108 * rtl.h (make_jump_insn_raw): Add forward decl.
12109 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12111 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12112 Roger Sayle <roger@eyesopen.com>
12114 * fold-const.c (fold_minmax): New static function.
12115 (fold_binary) <MIN_EXPR>: Call it.
12116 <MAX_EXPR>: Likewise.
12117 * stor-layout.c (place_field): Use DECL_SIZE consistently
12118 in the computation of the new record size.
12120 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12122 * cse.c (cse_condition_code_reg): Make it static.
12123 * rtl.h: Remove the prototype for cse_condition_code_reg.
12125 * combine.c (combine_instructions): Make it static.
12126 * rtl.h: Remove the prototype for combine_instructions.
12128 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12131 * tree.c (get_file_function_name_long): Concatenate the first global
12132 object name with a string derived from the input filename of the object
12135 2006-01-16 Ben Elliston <bje@au.ibm.com>
12137 * config/i386/winnt-stubs.c: Update FSF address.
12138 * config/xtensa/ieee754-df.S: Ditto.
12139 * config/xtensa/ieee754-sf.S: Ditto.
12141 2006-01-14 Ian Lance Taylor <ian@airs.com>
12143 * ifcvt.c (noce_init_if_info): New static function, broken out of
12144 noce_process_if_block.
12145 (noce_process_if_block): Call noce_init_if_info.
12146 (check_cond_move_block): New static function.
12147 (cond_move_process_if_block): New static function.
12148 (process_if_block): Call cond_move_process_if_block.
12150 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12152 * cselib.c (hash_table): Rename to cselib_hash_table.
12153 (cselib_clear_table, discard_useless_values,
12154 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12155 cselib_init, cselib_finish): Adjust uses of hash_table.
12157 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12159 PR tree-optimization/25485
12160 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12161 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12162 is known to be false and true, respectively.
12164 2006-01-14 Richard Guenther <rguenther@suse.de>
12166 PR tree-optimization/22548
12167 PR tree-optimization/22555
12168 PR tree-optimization/22501
12169 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12170 * params.def (salias-max-array-elements): New parameter.
12171 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12172 * doc/invoke.texi (salias-max-array-elements): Document.
12173 * tree-flow-inline.h (var_can_have_subvars): We also handle
12175 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12177 * tree-ssa-structalias.c (params.h): Include.
12178 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12179 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12180 (get_constraint_for): For ADDR_EXPR operating on something
12181 containing an ARRAY_REF, add all subvars to the solution.
12182 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12183 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12184 for creating MUST_DEFs.
12185 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12187 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12189 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12191 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12192 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12193 number_of_iterations_le): New functions.
12194 (number_of_iterations_special): Removed.
12195 (number_of_iterations_exit): Do not use number_of_iterations_special.
12196 * tree.c (unsigned_type_for): Always return integer type.
12198 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12199 Richard Guenther <rguenther@suse.de>
12201 PR rtl-optimization/24257
12202 * gcse.c (find_moveable_store): Only consider a store movable
12203 when the SET_SRC of the insn can be assigned to a register.
12205 2006-01-14 Ian Lance Taylor <ian@airs.com>
12207 * tree.c (tree_not_class_check_failed): New function.
12208 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12209 (tree_not_class_check_failed): Declare.
12211 2006-01-13 Ian Lance Taylor <ian@airs.com>
12213 * reload1.c (do_output_reload): Add assertion rejecting a
12216 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12218 * combine.c (struct reg_stat): Add new fields truncation_label and
12220 (record_value_for_reg): Reset truncated_to_mode.
12221 (record_truncated_value): New function.
12222 (check_promoted_subreg): Call it. Rename to check_conversions.
12223 (combine_instructions): Rename check_promoted_subreg to
12225 (reg_truncated_to_mode): New function.
12226 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12227 (gen_lowpart_or_truncate): New function.
12228 (force_to_mode): Use it instead of gen_lowpart.
12230 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12232 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12233 VAR is a tag, not its type tag.
12235 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12237 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12238 alternatives to match style of other entries.
12239 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12241 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12243 PR tree-optimization/25771
12244 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12247 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12250 * tree-inline.c (declare_return_variable): If the return variable
12251 was marked as a non gimple complex, set the return slot variable
12252 to be a non gimple comple variable.
12254 2006-01-13 Richard Guenther <rguenther@suse.de>
12256 * builtins.c (expand_builtin_sincos): New function.
12257 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12259 (expand_builtin): Expand sincos using expand_builtin_sincos.
12261 2006-01-12 DJ Delorie <dj@redhat.com>
12263 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12264 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12265 so that constant shifts can be split.
12266 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12267 (m32c_valid_pointer_mode): Make static.
12268 (shift_gen_func_for): New.
12269 (m32c_prepare_shift): Use it. Split large const shifts into
12271 * config/m32c/predicates.md (shiftcount_operand): Allow more
12273 (longshiftcount_operand): New.
12274 * doc/md.texi (Machine Constraints): Document In6.
12276 2006-01-13 Ben Elliston <bje@au.ibm.com>
12278 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12279 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12282 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12284 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12285 to try to avoid clobbering pieces of structures when we know
12286 something about the whole structure.
12287 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12289 2006-01-13 Ben Elliston <bje@au.ibm.com>
12291 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12292 return in memory, as this is no limitation is no longer present.
12294 2006-01-12 DJ Delorie <dj@redhat.com>
12296 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12297 mova with fb, and for fb+0 -> An.
12299 * config/m32c/mov.md (peephole2): Fix enabling logic.
12301 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12302 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12303 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12304 FINI_ARRAY_SECTION_ASM_OP): Define.
12306 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12308 (m32c_legitimize_reload_address): New logic to reload FB to An.
12309 (m32c_output_reg_push): Add newline.
12310 (m32c_output_reg_pop): Likewise.
12312 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12314 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12316 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12318 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12320 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12322 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12325 2006-01-11 Ben Elliston <bje@au.ibm.com>
12327 * rtlanal.c (find_reg_note): Assert insn is not null.
12329 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12331 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12334 2006-01-11 Jeff Law <law@redhat.com>
12336 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12338 (mark_threaded_blocks, register_jump_thread): New functions.
12339 (thread_through_all_blocks): Remove unwanted argument. No
12340 longer rely on e->aux to communicate thread target info.
12341 Call mark_threaded_blocks. Release the threaded_blocks
12342 bitmap and threaded_edges vector when complete.
12343 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12344 (threaded_blocks): Remove.
12345 (tree_ssa_dominator_optimize): Remove initialization and
12346 finalization of threaded_blocks. Simplify call to
12347 thread_through_all_blocks.
12348 (thread_across_edge): Call register_jump_thread rather than
12349 storing thread information into e->aux.
12350 (free_all_edge_infos): Simplify now that e->aux is no longer
12351 used to communicate with thread_through_all_blocks.
12352 * tree-flow.h (thread_through_all_blocks): Update prototype.
12353 (register_jump_thread): Prototype.
12355 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12357 * df-core.c (df_compact_blocks, df_bb_replace): Use
12358 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12360 2006-01-11 Richard Guenther <rguenther@suse.de>
12362 PR tree-optimization/25734
12363 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12364 stop propagation after successful propagation to the LHS.
12366 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12368 * basic-block.h (control_flow_graph): Change the type of
12369 x_basic_block_info to VEC(basic_block,gc) *.
12370 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12372 (SET_BASIC_BLOCK): New.
12373 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12374 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12375 * cfgbuild.c (find_basic_blocks): Likewise.
12376 * cfglayout.c (fixup_reorder_chain): Likewise.
12377 * cfgrtl.c (create_basic_block_structure,
12378 rtl_create_basic_block): Likewise.
12379 * ifcvt.c (find_if_case_1): Likewise.
12380 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12383 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12385 * Makefile.in: Removed rotted odf.c entry.
12387 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12390 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12391 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12392 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12393 output pattern modifier, not %e.
12394 * config/cris/cris.c (cris_op_str): Update comment about pattern
12396 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12397 before falling through into...
12398 <case 'E'>: Redefined from old 'e' case.
12400 2006-01-11 Jan Hubicka <jh@suse.cz>
12403 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12405 2006-01-11 Jan Hubicka <jh@suse.cz>
12407 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12408 * i386.c (x86_decompose_lea): Kill.
12409 (ix86_rtx_costs): Kill.
12411 2006-01-11 Jan Hubicka <jh@suse.cz>
12413 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12414 * cgraph.h (cgraph_node): Add inline_decl.
12415 (cgraph_insert_node_to_hashtable): Declare.
12416 (save_inline_function_body): Declare.
12417 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12419 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12420 (cgraph_function_versioning): Update call of tree_function_versioning.
12421 (save_inline_function_body): New function.
12422 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12423 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12424 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12425 (cgraph_default_inline_p): Likewise.
12426 (cgraph_decide_inlining_incrementally): Likewise.
12427 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12428 (copy_bb): Kill saving; do updating of clones.
12429 (copy_cfg_body): Kill saving.
12430 (initialize_inlined-parameters): Likewise.
12431 (expand_call_inline): Likewise.
12433 (tree_function_versioning): New parameter "update_clones".
12434 (inlining_p): Kill saving.
12435 * tree-inline.h (tree_function_versioning): Update prototype.
12436 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12439 2006-01-11 Ian Lance Taylor <ian@airs.com>
12441 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12442 Allow undoing set of machine mode.
12443 (do_SUBST): Use enums instead of is_int.
12444 (do_SUBST_MODE): New function.
12445 (SUBST_MODE): New macro.
12446 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12447 reg and trying to replace reg_regno_rtx with a new register.
12448 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12449 (simplify_set): Use SUBST_MODE.
12450 (distribute_notes): Remove code that tried to update reg notes
12451 for regno_reg_rtx changes.
12453 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12455 PR tree-optimization/23109
12456 PR tree-optimization/23948
12457 PR tree-optimization/24123
12459 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12460 * tree-cfg.c (single_noncomplex_succ): New.
12461 * tree-flow.h (single_noncomplex_succ): Declare it.
12462 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12463 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12464 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12465 insert_bb, register_division_in, insert_reciprocals,
12466 replace_reciprocal, free_bb): New.
12467 (execute_cse_reciprocals_1): Rewritten.
12468 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12469 Do not commit any edge insertion. Always compute dominators and
12470 create the allocation pool.
12471 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12472 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12473 * targhooks.c (default_min_divistions_for_recip_mul): New.
12474 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12475 * passes.c (init_optimization_passes): Run recip after tree loop
12477 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12479 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12480 Kenneth Zadeck <zadeck@naturalbridge.com>
12482 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12483 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12484 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12485 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12486 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12487 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12488 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12489 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12490 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12491 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12492 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12493 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12494 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12495 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12496 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12497 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12498 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12499 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12500 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12501 DF_SCAN_POST_ALLOC): New macros.
12502 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12503 df_free_bb_function, df_local_compute_function, df_init_function,
12504 df_dataflow_function, df_confluence_function_0,
12505 df_confluence_function_n, df_transfer_function,
12506 df_finalizer_function, df_free_function, df_dump_problem_function,
12507 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12508 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12509 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12510 df_urec_bb_info, ) New types.
12511 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12513 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12514 df_analyze_simple_change_some_blocks,
12515 df_analyze_simple_change_one_block, df_compact_blocks,
12516 df_bb_replace, df_bb_regno_last_use_find,
12517 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12518 df_insn_regno_def_p, df_find_def, df_find_use,
12519 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12520 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12521 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12522 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12523 debug_df_chain, df_get_dependent_problem, df_chain_create,
12524 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12525 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12526 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12527 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12528 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12529 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12530 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12531 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12532 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12533 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12534 df_reorganize_refs, df_set_state, df_hard_reg_init,
12535 df_read_modify_subreg_p) New public functions.
12536 * df-core.c: The core dataflow solver and glue routines for rtl
12538 (df_init, df_add_problem, df_set_blocks, df_finish,
12539 df_hybrid_search_forward, df_hybrid_search_backward,
12540 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12541 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12542 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12543 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12544 df_reg_defined, df_find_use, df_reg_used, df_dump,
12545 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12546 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12547 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12548 debug_df_useno, reset_df_after_reload): New functions.
12549 * df-scan.c: The scanning fuctions, once in df.c, completely
12550 rewritten so that they now fully model the functionality of
12551 register usage at the backend.
12552 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12553 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12554 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12555 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12556 df_get_artificial_defs, df_get_artificial_uses,
12557 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12558 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12559 df_refs_delete, df_reorganize_refs, df_set_state,
12560 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12561 df_def_record_1, df_defs_record, df_uses_record,
12562 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12563 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12564 df_record_exit_block_uses, df_hard_reg_init): New functions.
12566 * df-problems.c: Seven concrete dataflow problems that use the
12567 scanning in df-scan.c and are solved by the engine in df-core.c.
12568 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12569 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12570 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12571 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12572 df_ru_free_bb_info, df_ru_alloc,
12573 df_ru_bb_local_compute_process_def,
12574 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12575 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12576 df_ru_transfer_function, df_ru_free, df_ru_dump,
12577 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12578 df_rd_free_bb_info, df_rd_alloc,
12579 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12580 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12581 df_rd_transfer_function, df_rd_free, df_rd_dump,
12582 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12583 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12584 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12585 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12586 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12587 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12588 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12589 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12590 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12591 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12592 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12593 df_urec_mark_reg_use_for_earlyclobber,
12594 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12595 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12596 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12597 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12598 df_chain_create_bb_process_use, df_chain_create_bb,
12599 df_chain_finalize, df_chain_free, df_chains_dump,
12600 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12601 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12602 df_reg_lifetime): New functions.
12603 * df.c: Deleted file.
12604 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12605 consistent with new df api.
12606 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12607 rest_of_handle_sms): Ditto.
12608 * web.c (unionfind_union, union_defs, entry_register, web_main):
12610 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12611 invariant_expr_equal_p, find_defs, check_dependencies,
12612 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12613 free_inv_motion_data, move_loop_invariants): Ditto.
12614 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12615 Update dependencies.
12616 (odf.c): Added defective entry that was deleted later in day.
12617 * sched-deps.c (sched_analyze_1): Ditto.
12619 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12621 * tree-ssa-operands.c (get_expr_operands): Record addressable
12622 variables directly. Do not call add_stmt_operands for CONST_DECLs
12624 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12625 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12627 2006-01-11 Ben Elliston <bje@au.ibm.com>
12629 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12630 function returns true in the positive case.
12632 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12635 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12636 for SI, DI, SF and DF modes. Add alternatives to copy between
12637 general and floating point registers to the 32-bit patterns.
12638 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12639 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12640 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12641 generating 64-bit code.
12642 * config/pa/pa.c (output_move_double): Handle copies between general
12643 and floating registers.
12645 2006-01-10 Stuart Hastings <stuart@apple.com>
12647 * config/i386/i386.md (set_got): Update.
12648 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12649 (builtin_setjmp_receiver): Mach-O support.
12650 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12651 (GOT_SYMBOL_NAME): Define.
12652 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12653 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12654 * config/i386/i386.c (override_options): Revise for Darwin.
12655 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12656 support. (darwin_x86_file_end): New. (output_set_got): Add label
12657 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12658 * config/i386/i386-protos.h (output_set_got): Likewise.
12659 * config/darwin.c (machopic_legitimize_pic_address): Update
12662 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12664 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12665 when MODE isn't BLKmode.
12667 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12669 PR rtl-optimization/25367
12670 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12672 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12675 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12676 for a negative bound.
12678 2006-01-10 Richard Guenther <rguenther@suse.de>
12680 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12681 Never override with anything constraint.
12683 2006-01-10 Jan Beulich <jbeulich@novell.com>
12685 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12686 256 bits when optimize_size.
12688 2006-01-10 Jan Beulich <jbeulich@novell.com>
12690 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12692 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12693 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12696 2006-01-10 Ben Elliston <bje@au.ibm.com>
12698 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12700 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12701 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12702 (USE_FP_FOR_ARG): Reject decimal float modes.
12703 (function_arg_advance): Likewise.
12704 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12705 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12706 point types in AltiVec vectors.
12707 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12708 (rs6000_libcall_value): Likewise.
12710 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12712 * config/xtensa/ieee754-df.S: New file.
12713 * config/xtensa/ieee754-sf.S: New file.
12714 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12715 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12716 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12718 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12720 * config/sh/predicates.md (binary_float_operator,
12721 binary_logical_operator, commutative_float_operator,
12722 equality_comparison_operator, greater_comparison_operator,
12723 less_comparison_operator, logical_operator,
12724 noncommutative_float_operator, shift_operator,
12725 symbol_ref_operand, unary_float_operator): Remove redundant
12728 2006-01-09 Jeff Law <law@redhat.com>
12730 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12731 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12732 now unused arguments. Callers updated.
12733 (eliminate_redundant_computations): Remove now unused arguments,
12735 (local_fold): Remove, no longer used.
12736 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12738 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12739 (simplify_cond): New function.
12740 (forward_propagate_into_cond): Call simplify_cond.
12742 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12744 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12745 (*vec_extractv2di_1_sse): New.
12747 2006-01-09 Ben Elliston <bje@au.ibm.com>
12749 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12751 2006-01-08 Richard Guenther <rguenther@suse.de>
12753 * tree-ssa-structalias.c (get_constraint_for): Remove
12754 anyoffset argument.
12755 (get_constraint_for_component_ref): Likewise.
12756 (do_deref): Likewise.
12757 (get_constraint_for): Likewise.
12758 (do_structure_copy): Likewise.
12759 (handle_ptr_arith): Likewise.
12760 (find_func_aliases): Likewise. Remove unused need_anyoffset
12763 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12764 Kaz Kojima <kkojima@gcc.gnu.org>
12766 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12767 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12768 (EXTRA_CONSTRAINT_C16): Remove.
12769 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12770 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12771 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12772 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12773 constants of SHmedia. Handle nested constant expressions of
12775 (andcosts): Fix the costs for SHmedia constants.
12776 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12777 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12778 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12779 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12780 (movv4hi_i, movv2si_i): Likewise.
12781 (movsi_const): Adjust the second operand of ior so to match with
12782 the Csu constraint.
12783 (movdi_const, movdi_const_32bit): Likewise.
12784 (movdi_const_16bit+1): Don't sign-extend LOW.
12785 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12787 (*double_shori): Fix the split condition. Use GEN_INT instead
12788 of get_int_mode calls. Mask lower 16-bit of the argument of
12790 (sym2GOTPLT): Remove.
12791 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12793 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12794 instead of EXTRA_CONSTRAINT_C16.
12796 2006-01-07 Ian Lance Taylor <ian@airs.com>
12797 David Edelsohn <edelsohn@gnu.org>
12799 PR rtl-optimization/25662
12800 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12801 for constant operands instead of simplify_gen_binary.
12802 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12803 after trying simplify_binary_operation
12805 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12807 * tree.c (iterative_hash_expr): Hash decls based on UID.
12809 2006-01-06 Eric Christopher <echristo@apple.com>
12811 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12812 (TARGET_UNWIND_EMIT): Fix spelling.
12813 * target.h (gcc_target): Add except_table_label.
12814 * except.c (output_function_exception_table): Use.
12815 * varasm.c (default_emit_except_table_label): New.
12816 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12818 (asm_out): Add here.
12819 * output.h (default_emit_except_table_label): Prototype.
12820 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12821 * config/darwin.c (darwin_emit_except_table_label): Define.
12822 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12824 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12826 PR tree-optimization/18527
12827 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12828 number_of_iterations_special, number_of_iterations_exit):
12829 Move base and step of an iv to a single structure. Add
12830 no_overflow flag, and use it in # of iterations analysis.
12831 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12832 folded_casts argument.
12833 (simple_iv): Pass base and step in a structure. Set no_overflow
12835 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12836 Evaluate expensiveness of computing # of iterations instead of
12837 the final expression.
12838 * tree-scalar-evolution.h (affine_iv): New structure.
12839 (simple_iv): Declaration changed.
12840 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12841 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12842 find_givs_in_stmt): Changed due to simple_iv change.
12844 2006-01-06 Jeff Law <law@redhat.com>
12847 * tree-cfg.c (bsi_replace): Rename final argument from
12848 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12849 change (stmt -> orig_stmt).
12850 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12851 (bsi_remove): Add new argument. Remove EH information
12853 (verify_eh_throw_table_statements): New function.
12854 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12856 * tree-optimize.c (execute_free_cfg_annotations): Verify
12857 the EH throw statement table after removing annotations.
12858 * except.h (verify_eh_throw_table_statements): Prototype.
12859 * tree-flow.h (bsi_remove): Update prototype.
12860 * tree-vrp.c (remove_range_assertions): Add new argument to
12862 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12863 * tree-complex.c (expand_complex_div_wide): Likewise.
12864 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12865 * tree-tailcall.c (eliminate_tailcall): Likewise.
12866 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12867 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12868 * tree-nrv.c (tree_nrv): Likewise.
12869 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12870 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12871 (combine_blocks): Likewise.
12872 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12873 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12874 (cleanup_control_flow): Likewise.
12875 (remove_forwarder_block): Likewise.
12876 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12877 * tree-sra.c (sra_replace): Likewise.
12878 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12879 (forward_propagate_single_use_vars): Likewise.
12880 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12881 * tree-inline.c (expand_call_inline): Likewise.
12882 * tree-vect-transform.c (vect_transform_loop): Likewise.
12883 * tree-outof-ssa.c (rewrite_trees): Likewise.
12884 * tree-cfg.c (make_goto_expr_edges): Likewise.
12885 (cleanup_dead_labels): Likewise.
12886 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12887 (bsi_move_before, bsi_move_after): Likewise.
12888 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12889 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12891 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12894 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12896 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12897 on non gimple variables. Also add checks at the top for decls and
12899 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12901 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12902 and IMAGPART_EXPR for creating MUST_DEFs.
12903 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12904 and NAME_MEMORY_TAG separately from the DECLs.
12906 2006-01-06 Richard Guenther <rguenther@suse.de>
12908 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12909 annotation, if necessary.
12910 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12911 redundant calls to update_stmt.
12912 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12915 2006-01-05 Richard Henderson <rth@redhat.com>
12917 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12919 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12921 * c-typeck.c: Update copyright date.
12923 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12925 * c-typeck.c (build_c_cast): Always warn when casting
12926 from a pointer to an integer of different size, even if
12927 the node was constant.
12929 2006-01-05 Richard Guenther <rguenther@suse.de>
12931 PR tree-optimization/22555
12932 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12933 if one structure field is an array.
12934 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12935 operands even if we found a subvar, but ignore VOPs in this
12937 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12939 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12941 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12943 PR middle-end/24998
12944 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12946 2006-01-05 Richard Guenther <rguenther@suse.de>
12947 Diego Novillo <dnovillo@redhat.com>
12949 * tree-pass.h (TODO_remove_unused_locals): Define.
12950 * gimple-low.c (expand_var_p, remove_useless_vars,
12951 pass_remove_useless_vars): Remove. Update all users.
12952 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12953 (remove_unused_locals): New function.
12954 * tree-flow.h (remove_unused_locals): Declare.
12955 * passes.c (execute_todo): Call remove_unused_locals if
12956 TODO_remove_unused_locals is set.
12957 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12958 * tree-ssa-dce.c (pass_dce): Likewise.
12959 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12961 2006-01-05 Richard Guenther <rguenther@suse.de>
12963 * tree-flow.h (struct fieldoff): Decompose field to
12964 type, size and decl.
12965 * tree-ssa-alias.c (create_sft): Take type as parameter.
12966 (create_overlap_variables_for): Store type, size and decl
12967 in the fieldoff structure.
12968 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12969 of struct fieldoff.
12970 (push_fields_onto_fieldstack): Likewise.
12971 (create_variable_info_for): Likewise. Use offset for the
12972 SFT name if the decl is not available.
12974 2006-01-04 Paul Brook <paul@codesourcery.com>
12976 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12978 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12980 * lambda-code.c (can_put_in_inner_loop): Relax
12982 (can_put_after_inner_loop): New function.
12983 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12984 (perfect_nestify): Change to make copies and modify uses.
12986 2006-01-04 Richard Henderson <rth@redhat.com>
12988 Merge from gomp branch:
12989 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12990 via integer constant.
12991 (pragma_lex): Remove.
12992 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12993 rather than parsing it.
12994 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12995 handle_pragma_extern_prefix): Add %< %> quotes.
12996 (registered_pragmas): New.
12997 (c_register_pragma_1): New.
12998 (c_register_pragma): Use it.
12999 (c_register_pragma_with_expansion): Likewise.
13000 (c_invoke_pragma_handler): New.
13001 (init_pragma): Use cpp_register_deferred_pragma directly for
13003 * c-pragma.h (enum pragma_kind): New.
13004 (pragma_handler): New.
13005 (c_invoke_pragma_handler): Declare.
13006 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13008 * c-common.h (c_common_pch_pragma): Update decl.
13009 * Makefile.in (c-parser.o): Update dependencies.
13010 (GTFILES): Add c-pragma.h.
13011 * c-parser.c (struct c_token): Add pragma_kind.
13012 (struct c_parser): Add in_pragma.
13013 (c_lex_one_token): Always initialize keyword and pragma_kind.
13014 Extract data for CPP_PRAGMA.
13015 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13016 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13017 Don't allow CPP_PRAGMA_EOL if in_pragma.
13018 (c_parser_consume_pragma): New.
13019 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13020 (c_parser_skip_to_end_of_parameter): Likewise.
13021 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13022 (c_parser_skip_to_pragma_eol): New.
13023 (c_parser_external_declaration): Handle CPP_PRAGMA.
13024 (c_parser_compound_statement_nostart): Likewise.
13025 (c_parser_statement_after_labels): Likewise.
13026 (c_parser_pragma): New.
13027 (pragma_lex): Likewise.
13028 (c_parser_pragma_pch_preprocess): New.
13029 (c_parser_new): Merge into ...
13030 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13032 2006-01-04 Jeff Law <law@redhat.com>
13035 * tree-cfg.c (bsi_replace): Remove the original statement
13036 from the EH throw statement table.
13038 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13040 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13041 make the prototype extern "C" and add throw ().
13044 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13045 and pos non-negative and pos + len <= 32.
13046 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13047 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13048 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13051 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13052 as well as sizes not multiple of component size.
13055 * function.c (instantiate_expr): New function.
13056 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13057 walk its DECL_VALUE_EXPR with instantiate_expr.
13059 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13060 DW_OP_deref{,_size} if address isn't going to be added.
13062 2006-01-04 Ben Elliston <bje@au.ibm.com>
13064 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13065 * config/fp-bit.c: Likewise.
13067 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13069 * dominance.c: Add comment about why we use DFS numbering
13072 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13073 Richard Henderson <rth@redhat.com>
13075 Merge from gomp-branch:
13076 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13077 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13079 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13081 PR rtl-optimization/25578
13082 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13083 pass a parameter to simplify_shift_const if changing ASHIFTRT
13086 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13088 * builtins.c (get_builtin_sync_mem): New function.
13089 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13090 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13091 Call get_builtin_sync_mem to generate mem rtx.
13093 2006-01-03 Richard Guenther <rguenther@suse.de>
13096 * stmt.c (add_case_node): Make sure to clear overflow flags
13099 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13101 Merge from gomp-branch.
13102 * config/sparc/sync.md: New file.
13103 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13104 UNSPECV_LDSTUB): New constants.
13105 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13106 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13107 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13110 2006-01-03 Roger Sayle <roger@eyesopen.com>
13112 * combine.c (reg_subword_p): New predicate to test whether the
13113 destination of a set refers to a subword/piece of a register.
13114 (try_combine): Generalize the code to merge the setting of a
13115 pseudo to a constant followed by a set of a subword of that
13116 register to a constant.
13118 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13120 * basic-block.h (control_flow_graph): Change the type of
13121 x_label_to_block_map to VEC(basic_block,gc) *.
13122 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13123 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13125 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13126 VEC(basic_block,heap) *.
13127 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13128 ssa_prop_fini): Adjust the uses of cfg_blocks.
13130 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13132 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13134 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13135 hashing trees instead of a pointer hash.
13136 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13137 compare for MEM_EXPR.
13139 PR rtl-optimization/25130
13140 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13141 when comparing MEMs for GCSE
13143 2006-01-03 Ben Elliston <bje@au.ibm.com>
13145 * targhooks.h (default_decimal_float_supported_p): Declare.
13146 * targhooks.c (default_decimal_float_supported_p): Define.
13147 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13148 `default_decimal_float_supported_p'.
13149 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13151 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13153 * combine.c (apply_distributive_law <SUBREG>): Check
13154 TRULY_NOOP_TRUNCATION.
13156 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13158 * dwarf2out.c (have_switched_text_section): Delete.
13159 (have_multiple_function_sections): New.
13160 (have_location_lists): Make 'bool'.
13161 (add_AT_loc_list): Use 'true' not '1'.
13162 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13163 (output_loc_list): Use have_multiple_function_sections.
13164 (output_ranges): Likewise.
13165 (dwarf2out_begin_function): Set have_multiple_function_sections if
13167 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13168 Check function_section rather than DECL_SECTION_NAME.
13169 (dwarf2out_finish): Use have_multiple_function_sections.
13170 Don't clear have_location_lists.
13172 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13173 Jan Hubicka <jh@suse.cz>
13175 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13176 case of conditional jump jumping to the next instruction.
13177 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13178 cases of conditional jump jumping to the next instruction.
13180 2006-01-02 Jan Hubicka <jh@suse.cz>
13182 * i386.c (*_cost): Add COSTS_N_INSNS.
13183 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13185 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13188 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13190 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13192 * config/arm/arm.c (all_fpus): Fix comment typo.
13193 * config/darwin.c: Likewise.
13194 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13195 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13196 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13198 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13200 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13201 (rs6000_split_compare_and_swapqhi): New.
13202 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13203 (sync_compare_and_swapqhi_internal): New.
13204 * config/rs6000/rs6000-protos.h: Declare.