1 2006-07-13 Nick Clifton <nickc@redhat.com>
3 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4 walking the LOG_LINKS chain.
6 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8 * doc/invoke.texi (C++ Dialect Options): Explain difference
9 between -fvisibility-inlines-hidden and setting hidden
10 visibility explicitly.
12 2006-07-12 Eric Christopher <echristo@apple.com>
14 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
15 (stmp-lipo): Depend on libgcc.a.
17 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
19 * tree.c: Fix a comment typo.
21 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
23 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
25 (umulhisi3_r): Likewise.
27 2006-07-12 Paolo Carlini <pcarlini@suse.de>
30 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
31 x < 19, vs wchar_t support.
33 2006-07-12 Nick Clifton <nickc@redhat.com>
35 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
38 2006-07-12 Mike Stump <mrs@apple.com>
41 * c-parser.c (c_parser_typeof_specifier): Don't use
42 c_finish_expr_stmt, open code desired semantics instead.
44 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
46 2006-07-10 Eric Christopher <echristo@apple.com>
48 * config/t-slibgcc-darwin: Rewrite.
50 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
53 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
56 2006-07-08 Matthias Klose <doko@debian.org>
58 * doc/sourcebuild.texi: Fix typo.
60 2006-07-07 Mike Stump <mrs@apple.com>
62 * toplev.c (process_options): Don't give -ffunction-sections may
63 affect debugging warning for Mach-O.
65 2006-07-07 James E Wilson <wilson@specifix.com>
67 * config/mips/mips.md (cpu): Add sb1a.
68 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
69 addition to sb1. Adjust comments to clarify SB-1A differences from
71 (ir_sb1a_load): New. Modify bypasses to use it.
72 (ir_sb1a_simple_alu): Likewise.
73 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
74 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
75 (mips_issue_rate): Add PROCESSOR_SB1A.
76 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
77 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
78 (TARGET_SB1): Add PROCESSOR_SB1A check.
81 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
82 * config/mips/mips.c (mips_store_data_bypass_p): New.
83 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
86 2006-07-08 Paul Brook <paul@codesourcery.com>
89 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
91 2006-07-07 Richard Guenther <rguenther@suse.de>
94 * tree.h (build_one_cst): Declare.
95 * tree.c (build_one_cst): New function.
96 * tree-ssa-math-opts.c (get_constant_one): Remove.
97 (insert_reciprocals): Use build_one_cst.
98 * fold-const.c (fold_plusminus_mult): Likewise.
100 2006-07-07 Roger Sayle <roger@eyesopen.com>
102 * pointer-set.c (pointer_set_destroy): Correct whitespace.
103 * cfgloopanal.c (dump_graph): Likewise.
104 * dojump.c (discard_pending_stack_adjust): Likewise.
105 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
107 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
108 * function.c (finalize_block_changes): Likewise.
109 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
110 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
111 * rtl.c (dump_rtx_statistics): Likewise.
112 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
114 * varray.c (dump_varray_statistics): Likewise.
115 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
116 decode_decimal64, encode_decimal128, decode_decimal128,
117 decimal_real_to_decimal): Likewise.
119 2006-07-07 Richard Guenther <rguenther@suse.de>
121 PR tree-optimization/28187
122 * tree-vrp.c (vrp_operand_equal_p): New function.
123 (vrp_bitmap_equal_p): Likewise.
124 (update_value_range): Use them to compare old and new
127 2006-07-06 Roger Sayle <roger@eyesopen.com>
129 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
130 a default case to switch statement to silence compiler warnings.
132 2006-07-06 Roger Sayle <roger@eyesopen.com>
135 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
136 the configured assembler supports the x87's ffreep mnemonic.
137 * configure: Regenerate.
138 * config.in: Regenerate.
140 * config/i386/i386.c (output_387_ffreep): New function.
141 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
142 (output_387_reg_move): Likewise.
144 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
146 Port to hosts whose 'sort' and 'tail' implementations
147 treat operands with leading '+' as file names, as POSIX
148 has required since 2001. However, make sure the code still
149 works on pre-POSIX hosts.
150 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
151 which says you should use "tail -c +N" rather than "tail +Nc".
152 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
154 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
156 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
159 2006-07-06 David Edelsohn <edelsohn@gnu.org>
162 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
163 PRE_{INC,DEC} of TFmode.
165 2006-07-06 David Edelsohn <edelsohn@gnu.org>
166 Alan Modra <amodra@bigpond.net.au>
169 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
172 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
175 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
176 Remove duplicate gtu.
178 2006-07-05 Jason Merrill <jason@redhat.com>
182 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
183 * c-common.c (handle_packed_attribute): So don't copy it here.
184 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
186 2006-07-05 Mike Stump <mrs@apple.com>
188 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
190 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
193 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
195 2006-07-05 Richard Guenther <rguenther@suse.de>
198 * config/i386/i386.md (*negdf2_1): Restrict pattern to
199 TARGET_SSE2 targets if using SSE math.
200 (*absdf2_1): Likewise.
202 2006-07-05 Richard Guenther <rguenther@suse.de>
204 PR tree-optimization/28162
205 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
206 make sure to convert the operands to the correct type.
208 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
210 PR tree-optimization/28218
212 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
213 to calculate and free the dominator information.
215 2006-07-04 Peter O'Gorman <peter@pogma.com>
217 * mklibgcc.in: chmod 644 before ranlib during install.
219 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
220 J"orn Rennecke <joern.rennecke@st.com>
222 * configure.ac (.eh_frame data check): Use diff -b.
224 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
227 * Makefile.in (BUILD_RTL): Add build/vec.o.
228 (build/gencondmd.o): Filter out -fkeep-inline-functions.
229 (build/genextract): Delete.
230 (build/genautomata): Likewise.
232 2006-07-04 Alan Modra <amodra@bigpond.net.au>
235 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
236 128-bit IBM long doubles for ABI_V4.
238 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
240 * tree.c (range_in_array_bounds_p): New predicate.
241 * tree.h (range_in_array_bounds_p): Declare it.
242 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
243 return a less conservative answer.
244 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
246 (IS_ELEMENT_FOR_GROUP): New macro.
247 (FOR_EACH_ACTUAL_CHILD): Likewise.
248 (next_child_for_group): New helper function.
249 (can_completely_scalarize_p): Take into account groups.
250 (sra_hash_tree): Handle RANGE_EXPR.
251 (sra_elt_eq): Likewise.
252 (lookup_element): Be prepared for handling groups.
253 (is_valid_const_index): Delete.
254 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
255 instead of is_valid_const_index.
256 <ARRAY_RANGE_REF>: New case.
257 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
258 is_valid_const_index.
259 <ARRAY_RANGE_REF>: Do not unconditionally punt.
260 (scan_dump): Dump info for groups too.
261 (decide_instantiation_1): Likewise.
262 (decide_block_copy): Assert that the element is not a group.
263 Propagate decision to groups.
264 (generate_one_element_ref): Handle RANGE_EXPR.
265 (mark_no_warning): Iterate over actual childs.
266 (generate_copy_inout): Likewise.
267 (generate_element_copy): Likewise.
268 (generate_element_zero): Likewise.
269 (generate_element_init_1): Likewise.
270 (dump_sra_elt_name): Handle RANGE_EXPR.
272 2006-07-03 Roger Sayle <roger@eyesopen.com>
274 PR tree-optimization/26251
275 * tree-ssa-threadupdate.c (redirection_block_p): New function.
276 (thread_block): When optimizing for size refuse to thread jumps
277 that would require duplication of blocks other than redirection
280 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
282 * configure.ac: Fix thinko in previous check-in.
283 * configure: Regenerate.
285 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
288 * configure.ac (for lang...): Simplify nesting of conditionals.
289 Test subdir_requires for non-enabled languages. Move processing
290 of lang_opt_files and lang_tree_fiels below that test.
291 * configure: Regenerate.
292 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
294 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
296 * doc/gcov.texi (Invoking Gcov): Add a missing word.
298 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
300 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
303 2006-06-29 Jason Merrill <jason@redhat.com>
310 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
311 * c-common.c (c_determine_visibility): Handle it here.
312 * c-decl.c (finish_decl): Call c_determine_visibility for
314 * flags.h (enum symbol_visibility): Sort from most to least visibility.
316 * varasm.c (default_assemble_visibility): Likewise.
317 * c-common.c (handle_visibility_attribute): Complain about trying
318 to give visibility to an already defined class, or trying to change
319 declared visibility. Always attach the attribute.
324 * attribs.c (decl_attributes): Ignore type-in-place attributes
325 once the type has been defined.
327 2006-06-29 Roger Sayle <roger@eyesopen.com>
330 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
331 to indicate the cpplib has issued an error message for us.
333 2006-06-29 Asher Langton <langton2@llnl.gov>
336 * config/i386/i386.c (ix86_output_function_epilogue): Don't
337 insert a label at the end of an function under Mach-O.
339 2006-06-29 Eric Christopher <echristo@apple.com>
340 Evan Cheng <evan.cheng@apple.com>
342 * predicates.md (vector_all_ones_operand): New.
343 (nonimmediate_or_sse_const_operand): Ditto.
344 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
345 * config/i386/i386.c (standard_sse_constant_opcode): Define.
346 (standard_sse_mode_p): Ditto.
347 (standard_sse_constant_p): Add case for -1 vector.
348 (ix86_expand_vector_move): Try to use.
349 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
350 Call standard_sse_constant_opcode.
351 (*movv4sf_internal): Ditto.
352 (*movv2df_internal): Ditto.
354 2006-06-29 Roger Sayle <roger@eyesopen.com>
356 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
357 of XEXP to extract the operands of a MATCH_CODE rtx.
359 2006-06-28 Andrew Pinski <pinskia@gmail.com>
361 * tree.c (tree_size): Do not waste tail padding in
362 struct tree_string and make the size be the same as
363 build_string will generate.
365 2006-06-28 Jason Merrill <jason@redhat.com>
368 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
369 may_aliases already in the tag's annotations to the bitmap.
371 2006-06-28 Roger Sayle <roger@eyesopen.com>
373 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
375 2006-06-28 Roger Sayle <roger@eyesopen.com>
377 * genpreds.c (generate_switch_p): New function.
378 (add_mode_tests): Push the new mode test down inside an AND expr
379 if this allows the switch-suitable MATCH_CODE to be near the root.
380 (write_match_code_switch): New function to write a MATCH_CODE as
382 (write_predicate_stmts): New function to write a predicate RTX
383 expression as a sequence of statements.
384 (write_one_predicate_function): Use write_predicate_stmts.
385 (write_tm_constrs_h): Likewise.
387 2006-06-26 Fred Fish <fnf@specifix.com>
389 * config/mips/t-sb1: New file.
390 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
393 2006-06-26 DJ Delorie <dj@redhat.com>
395 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
397 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
398 Jayant Sonar <jayants@kpitcummins.com>
399 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
401 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
402 (subsi3, subsi3_1, subsi3_2): New.
403 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
404 * config/m32c/mov.md (SI mov peephole): New.
405 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
406 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
408 2006-06-26 Olivier Hainque <hainque@adacore.com>
410 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
411 a CALL_EXPR target function declaration.
413 2006-06-26 Richard Guenther <rguenther@suse.de>
415 * tree.c (build_string): Do not waste tail padding in
418 2006-06-26 Richard Guenther <rguenther@suse.de>
420 * ggc-page.c (init_ggc): Add missing element to size_lookup
424 2006-06-23 Richard Guenther <rguenther@suse.de>
426 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
427 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
428 alignment requests instead. Add verification code.
429 Add struct tree_function_decl and struct tree_binfo size to
430 extra_order_size_table. Add missing element to size_lookup
433 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
436 * fold-const.c (const_binop): Be prepared for self returning zero.
437 Simplify code handling complex values.
439 2006-06-24 Olivier Hainque <hainque@adacore.com>
441 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
442 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
445 2006-06-24 Olivier Hainque <hainque@adacore.com>
447 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
448 ARRAY_REF, so have the callback called for the low bound expression.
450 2006-06-23 Janis Johnson <janis187@us.ibm.com>
452 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
453 * c-typeck.c (c_common_type): Disallow operations on decimal float
454 types and other float types.
455 * convert.c (convert_to_real): Don't ignore conversions involving
458 2006-06-23 Olivier Hainque <hainque@adacore.com>
460 * tree.c (max_int_size_in_bytes): New function, inspired from
461 code in function.c:assign_temp.
462 * tree.h (max_int_size_in_bytes): Declare.
463 * function.c (assign_temp): Use it.
464 * gimplify.c (create_tmp_var): Relax the assertions on the type
465 properties, not mandating constant size any more.
466 (force_constant_size): New static function.
467 (gimple_add_tmp_var): Use it, forcing variable size to a
468 constant upper bound if it is not constant on entry.
470 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
473 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
474 for initialization and setting of one_only flag to ...
475 (i386_pe_encode_section_info): ...here.
476 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
477 Recheck that the symbol has not been defined.
479 2006-06-23 Richard Guenther <rguenther@suse.de>
481 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
482 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
483 alignment requests instead. Add verification code.
484 Add struct tree_function_decl and struct tree_binfo size to
485 extra_order_size_table. Add missing element to size_lookup
488 2006-06-22 Roger Sayle <roger@eyesopen.com>
489 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
492 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
493 call to lang_hooks.types.type_for_mode returned NULL_TREE.
495 2006-06-23 Ben Elliston <bje@au.ibm.com>
497 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
498 negate dn -- manipulate it directly.
500 2006-06-22 Roger Sayle <roger@eyesopen.com>
501 Steven Bosscher <stevenb.gcc@gmail.com>
504 * reload1.c (gen_reload): Call mark_jump_label on the new insns
505 generated by gen_move_insn to add REG_LABEL notes if necessary.
507 2006-06-22 Bob Wilson <bob.wilson@acm.org>
509 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
510 (leaf_entry): Remove use of MIN_ESA.
512 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
514 PR rtl-optimization/28121
515 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
518 2006-06-21 DJ Delorie <dj@redhat.com>
520 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
522 (mulhisi3_r): Likewise.
524 2006-06-21 Richard Sandiford <richard@codesourcery.com>
527 * coverage.c (coverage_counter_alloc): Leave the index type
529 (coverage_counter_alloc): Use null arguments for operands 2 and 3
532 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
534 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
535 section from the "Options for Code Generation Conventions".
537 2006-06-21 Richard Henderson <rth@redhat.com>
541 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
543 (global_symbolic_operand): Allow weak symbols, even if local_p.
545 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
547 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
548 (find_interesting_uses_address): Punt if above function returns true.
550 2006-06-21 Richard Guenther <rguenther@suse.de>
552 * configure: Regenerated.
554 2006-06-21 Joseph Myers <joseph@codesourcery.com>
556 * config/mips/mips.c (function_arg): Where one part of a
557 complex argument is in registers and the other part in the stack,
558 return a REG not a PARALLEL.
560 2006-06-21 Mark Mitchell <mark@codesourcery.com>
562 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
563 when cross-compiling. Do not substitute libstdcxx_incdir.
564 * configure: Regenerated.
566 2006-06-21 Jakub Jelinek <jakub@redhat.com>
568 * varasm.c (mergeable_string_section): Check for embedded NULs and
569 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
570 rather than TREE_STRING_LENGTH bytes.
572 2006-06-21 Richard Guenther <rguenther@suse.de>
574 * ggc-page.c (extra_order_size_table): Add var_ann_d,
575 tree_ssa_name, bitmap_element and phi_node with 4 arguments
578 2006-06-21 Richrad Guenther <rguenther@suse.de>
580 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
581 Limit iteration over the dominators.
583 2006-06-20 Roger Sayle <roger@eyesopen.com>
585 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
586 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
588 2006-06-20 Richard Guenther <rguenther@suse.de>
589 Michael Matz <matz@suse.de>
591 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
593 * alloc-pool.c (free_alloc_pool_if_empty): New function.
594 * et-forest.h (et_free_pools): Prototype new function.
595 * et-forest.c (et_free_tree_force): Free parent occurrence.
596 (et_free_pools): New function.
597 * dominance.c (free_dominance_info): Free et-forest alloc
600 2006-06-20 Roger Sayle <roger@eyesopen.com>
602 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
603 integer modes, attempt to directly construct an integer constant.
605 * fold-const.c (native_encode_vector): Determine the size of each
606 element from the vector type instead of the first vector element.
608 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
609 if all of its elements/components are constant.
610 (build_constructor_from_list): Likewise.
612 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
614 PR tree-optimization/27331
615 * tree-data-ref.c (free_data_ref): New function.
616 (create_data_ref): Fail if the data reference has unknown access
618 (free_data_refs): Use free_data_ref.
620 2006-06-19 Andrew Pinski <pinskia@gmail.com>
623 * tree-inline.c (setup_one_parameter): Strip useless
624 type conversion before adding it to the IR.
625 (declare_return_variable): Likewise.
627 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
630 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
632 2006-06-19 Mike Stump <mrs@apple.com>
634 * tree.c (variably_modified_type_p): VM arguments don't make the
637 2006-06-19 Richard Guenther <rguenther@suse.de>
639 * tree-ssa-pre.c (try_combine_conversion): Strip useless
640 type conversions after folding.
642 2006-06-19 Richard Guenther <rguenther@suse.de>
644 * ggc-page.c (extra_order_size_tab): Add entries with
645 size of struct function and basic_block.
646 (size_lookup): Extend to cover sizes up to 511.
647 (ggc_alloc_stat): Adjust user.
648 (ggc_pch_count_object): Likewise.
649 (ggc_pch_alloc_object): Likewise.
650 (ggc_pch_write_object): Likewise.
652 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
654 * tree-ssa-loop-niter.c (implies_ge_p): New function.
655 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
658 2006-06-19 Denis Chertykov <denisc@overta.ru>
660 * config/avr/libgcc.S : Correct my wrong previous commit.
662 2006-06-19 Roger Sayle <roger@eyesopen.com>
665 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
666 have stripped a SUBREG from the shift count, so we may need to
667 convert_to_mode back to the type's mode before calling make_tree.
668 Use new_amount instead of amount to avoid expanding a tree twice.
670 2006-06-19 Richard Guenther <rguenther@suse.de>
673 * fold-const.c (operand_equal_p): Check if the argument types
674 have the same precision before stripping NOPs.
676 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
678 Fix PR tree-optimization/27341
679 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
681 * tree-complex.c (pass_lower_complex): Update SMT usage.
683 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
685 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
686 Add a new alternative to the constraint strings. Add move of
687 operand 1 to 3 to the splitter definition.
688 ("doloop_si_long"): Second contraint alternative removed.
690 2006-06-08 Anatoly Sokolov <aesok@post.ru>
692 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
693 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
695 (AVR_HAVE_MOVW) Define.
696 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
697 (ASM_SPEC): Add avr25.
698 (LINK_SPEC): Add avr25.
699 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
700 (base_arch_s): Add new member 'have_movw_lpmx'.
701 (avr_arch_types): Init 'have_movw_lpmx'.
702 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
703 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
704 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
705 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
706 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
708 (avr_file_start): Do not output '.arh' derective.
709 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
710 (__do_copy_data): Use __AVR_HAVE_LPMX__.
711 * config/avr/avr.md (mcu_enhanced): Delete.
712 (mcu_have_movw): Define.
713 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
714 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
715 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
716 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
717 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
718 attiny861 and at86rf401 devices.
720 2006-06-18 Jie Zhang <jie.zhang@analog.com>
722 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
725 2006-06-17 Karl Berry <karl@gnu.org>
727 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
728 doc/gccint.texi, doc/install.texi (@dircategory): Use
729 "Software development" instead of "Programming", following
730 the Free Software Directory.
732 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
734 * config/i386/i386.c (legitimate_tls_address)
735 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
736 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
737 (*tls_dynamic_gnu2_combine_64): Likewise.
739 2006-06-16 Richard Guenther <rguenther@suse.de>
742 * fold-const.c (negate_expr_p): Do not introduce undefined
743 overflow in negating INTEGER_CSTs.
744 (fold_negate_expr): Rename from negate_expr. Revert last
745 change for folding BIT_NOT_EXPR. Change semantics to
746 return NULL_TREE for non-simplified negations. Do not
747 strip type conversions and unify type handling.
748 (negate_expr): New function, wrap around fold_negate_expr
749 but ensure building a tree always. Strip type conversions
750 here, fold to result type.
751 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
753 2006-06-16 Roger Sayle <roger@eyesopen.com>
756 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
757 that (would) return their results in stack registers.
759 2006-06-16 Michael Matz <matz@suse.de>
760 Richard Guenther <rguenther@suse.de>
762 * fold-const.c (fold_truthop): Only return new tree node if
763 we canonicalized something.
765 2006-06-16 Richard Guenther <rguenther@suse.de>
767 * function.h (enum function_frequency): Move declaration
768 out of struct function.
769 (struct function): Move bool fields and the enum to the bitfield
770 section. Reorder elements to avoid padding. Remove unused
771 fields left over from the RTL inliner removal.
772 * function.c (free_after_compilation): Do not zero removed fields.
773 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
774 (ipa-type-escape.o): Likewise.
776 2006-06-16 Richard Guenther <rguenther@suse.de>
778 * cgraph.h (struct cgraph_local_info): Turn bool elements
780 (struct cgraph_node): Likewise.
781 (struct cgraph_varpool_node): Likewise.
783 2006-06-15 Richard Guenther <rguenther@suse.de>
785 * fold-const.c (fold_truth_not_expr): Rename from
786 invert_truthvalue. Give it fold_* semantics to avoid
788 (invert_truthvalue): New function. Wrapper around
790 (optimize_minmax_comparison): Avoid creating garbage.
791 (fold_unary): Use fold_truth_not_expr for folding
793 (fold_ternary): Replace uses of invert_truthvalue with
794 fold_truth_not_expr where applicable.
795 * tree.h (fold_truth_not_expr): Prototype.
797 2006-06-16 Richard Guenther <rguenther@suse.de>
799 PR tree-optimization/27781
800 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
801 * ipa-pure-const.c (target.h): Include.
802 (analyze_function): Do not analyze functions that do not
805 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
808 * tree-dfa.c (referenced_vars_dup_list): Remove.
809 (find_referenced_vars): Remove assert.
810 (referenced_var_check_and_insert): Replace dup list with assert.
811 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
812 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
814 2006-06-15 Richard Guenther <rguenther@suse.de>
816 * tree-ssa-structalias.c (alias_get_name): Avoid creating
817 extra unused identifiers if not dumping.
818 (create_variable_info_for): Likewise.
820 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
822 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
823 (derive_constant_upper_bound): Derive more precise upper bound in
824 common cases. Return type changed to double_int.
825 (record_estimate): Reflect the changed return type of
826 derive_constant_upper_bound.
827 * double-int.c (double_int_zext, double_int_sext): Fix.
829 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
831 * configure.ac (CFLAGS): Get them from the toplevel or from the
832 configure invocation.
833 * configure: Regenerate.
834 * Makefile.in (CFLAGS): Substitute value provided by configure.
836 2006-06-14 Mark Mitchell <mark@codesourcery.com>
839 * c-common.h (c_finish_omp_atomic): Adjust declaration.
840 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
841 rather than calling add_stmt on it.
842 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
844 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
847 * reload1.c (reload): Remove registers returned by update_eliminables
848 from used_spill_regs.
850 2006-06-13 DJ Delorie <dj@redhat.com>
852 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
854 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
856 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
857 html__strip_dir, html__mkdir_p. Enhance install-html target.
858 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
859 * configure: Regenerate.
861 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
863 * fold-const.c (fold_cond_expr_with_comparison): Check for
864 Objective-C++ as language in deciding COND_EXPR transformation.
866 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
869 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
870 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
871 * config/sh/lib1funcs.h (SL, SL1): Define.
872 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
873 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
874 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
875 (OBJS_Os_4_200): New variable.
876 ($(T)libgcc-Os-4-200.a): Use it.
877 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
878 when dividing 1 and/or by 0.
880 2006-06-13 Roger Sayle <roger@eyesopen.com>
882 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
883 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
884 * configure: Regenerate.
886 2006-06-13 Jie Zhang <jie.zhang@analog.com>
888 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
889 for real instruction.
891 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
894 * haifa-sched.c (check_cfg): Handle special case.
896 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
899 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
900 Add debug_info parameter. Chain the vars to the BLOCK instead
901 of the BIND_EXPR if debug info are requested for them.
902 (pop_gimplify_context): Adjust for above change.
903 (gimple_add_tmp_var): Likewise.
904 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
906 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
907 (convert_local_reference): Likewise.
908 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
909 (finalize_nesting_tree_1): Request that debug info be emitted
912 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
914 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
917 2006-06-13 Richard Guenther <rguenther@suse.de>
920 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
922 2006-06-13 Richard Guenther <rguenther@suse.de>
924 PR tree-optimization/27830
925 * tree-inline.c (copy_body_r): For copying the operand
926 of an ADDR_EXPR make sure to fold &* afterwards.
928 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
930 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
931 lvalues in the fb_none case with side-effects.
933 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
935 * tree-flow.h: Remove the prototype for
936 compute_phi_arg_on_exit.
937 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
938 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
941 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
943 * builtins.c (expand_builtin_return_addr): Only use
944 frame_pointer_rtx when count == 0 and we are expanding
945 __builtin_return_address.
947 2006-06-12 Fred Fish <fnf@specifix.com>
949 * config/mips/mips.c (mips_file_start): Create special section
950 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
952 2006-06-11 Eric Christopher <echristo@apple.com>
955 * stor-layout.c (place_field): Remove check for
956 remaining_in_alignment when aligning at the end of a run.
958 2006-06-11 Eric Christopher <echristo@apple.com>
961 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
964 2006-06-11 Roger Sayle <roger@eyesopen.com>
967 Revert incorrect fix for PR target/27158
968 2006-05-08 Roger Sayle <roger@eyesopen.com>
969 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
970 of a reg_equiv_constant if the result is a legitimate constant.
972 2006-06-11 Roger Sayle <roger@eyesopen.com>
975 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
976 extract a CONST_VECTOR element and interpret it as an integer.
977 (vspltis_constant): Use const_vector_elt_as_int instead of the
978 macro CONST_VECTOR_ELT in order to handle FP vector modes.
979 * config/rs6000/predicates.md (easy_vector_const): Consider
980 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
982 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
985 * stor-layout.c (update_alignment_for_field): Don't add extra
986 alignment for packed non-bitfield fields in ms_bitfield_layout_p
989 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
991 * config/mips/t-rtems: Add EL/EB multilib variants.
993 2006-06-09 Mike Stump <mrs@apple.com>
995 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
997 2006-06-09 David Daney <ddaney@avtrex.com>
999 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1001 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1003 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1005 2006-06-09 Richard Guenther <rguenther@suse.de>
1007 PR tree-optimization/26998
1008 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1009 of signed types, only TYPE_MIN_VALUE is special, but for both,
1010 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1011 in this case, as is -fwrapv.
1013 2006-06-08 Mike Stump <mrs@apple.com>
1016 * config/darwin.c (darwin_asm_output_anchor): Disable
1017 -fsection-anchors on darwin for now.
1018 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1019 * rs6000/rs6000.c (optimization_options): Likewise.
1021 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1024 * config/i386/i386.c (classify_argument): Skip fields with invalid
1027 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1029 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1030 (cse_insn): Likewise for the stack_pointer_rtx.
1032 2006-06-08 Roger Sayle <roger@eyesopen.com>
1034 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1035 conditions from floating point comparisons.
1037 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1040 * expmed.c (struct alg_hash_entry): Fix type of field T
1041 to match synth_mult argument.
1042 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1044 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1047 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1050 2006-06-08 Richard Guenther <rguenther@suse.de>
1053 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1054 only, if overflow is defined and not trapping.
1055 (negate_expr): Likewise.
1057 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1059 PR tree-optimization/27872
1060 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1061 flag on the new exit edge of the unrolled loop.
1063 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1065 PR rtl-optimization/26449
1066 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1068 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1071 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1072 referenced_variables with matching DECL_UID's.
1073 (find_referenced_vars): Make sure duplicate list is empty to start.
1074 (referenced_var_p): Remove.
1075 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1076 Check if var is in the list, and add if needed. Update the duplicate
1077 list if a different var is in the list with the same DECL_UID.
1078 (add_referenced_var): Call routine to check and insert.
1079 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1080 * tree-flow.h (referenced_vars_dup_list): External declaration.
1082 2006-06-07 Fred Fish <fnf@specifix.com>
1084 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1087 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1090 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1091 the imaginary and real parts of a clobbered register.
1092 Emit insn to set the imaginary part.
1094 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1096 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1097 in lieu of unwind-dw2-fde.c.
1099 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1101 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1103 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1106 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1107 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1108 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1109 V4SImode temporaries and operations instead.
1111 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1113 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1116 2006-06-06 Mike Stump <mrs@apple.com>
1118 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1119 installing during build.
1121 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1123 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1125 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1126 * config/ia64/ia64.c (params.h): New header.
1127 (ia64_optimization_options): New function to adjust parameters.
1128 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1129 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1130 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1132 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1134 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1136 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1139 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1141 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1142 Victor Kaplansky <victork@il.ibm.com>
1144 PR tree-optimization/26360
1145 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1148 2006-06-04 Roger Sayle <roger@eyesopen.com>
1149 Andrew Pinski <pinskia@physics.uc.edu>
1152 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1153 for LABEL_DECL before calling DECL_WEAK.
1156 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1157 LABEL_DECL and PARM_DECL.
1159 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1163 * c-decl.c (grokdeclarator): Disallow variably modified types at
1164 file scope. Avoid marking shared array type of constant size as
1167 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1170 * c-common.c (fold_offsetof_1): Handle static members.
1172 2006-06-04 Eric Christopher <echristo@apple.com>
1174 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1175 (debug_rli): Output value for remaining_in_alignment.
1176 (update_alignment_for_field): Unconditionalize
1177 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1178 extra alignment code.
1179 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1180 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1181 * tree.h (record_layout_info_s): Remove prev_packed.
1182 * doc/extend.texi (ms_struct): Add documentation of format.
1184 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1186 * tree.h: Declare folding_initializer.
1187 * builtins.c (fold_builtin_constant_p): Give definite answer
1188 if folding inside an initializer.
1189 * fold-const.c: Define folding_initializer.
1190 (START_FOLD_INIT): Save and then set folding_initializer.
1191 (END_FOLD_INIT): Restore folding_initializer.
1193 2006-06-04 Richard Guenther <rguenther@suse.de>
1195 PR tree-optimization/27039
1196 * fold-const.c (fold_comparison): Handle pointer comparison
1197 again for all comparison codes. Compare offsets in signed
1199 (fold_binary): Move code from here.
1201 2006-06-03 Roger Sayle <roger@eyesopen.com>
1204 * config/i386/i386.c (construct_container): Split static issued_error
1205 flag into issued_sse_arg_error, issued_sse_ret_error and
1206 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1207 requires the use of x87 registers and the user explicitly
1208 specified the -mno-80387 command line option.
1210 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1212 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1213 HAVE_DECL_SIGALTSTACK.
1215 (segv_handler): Use MC_FLD.
1216 * configure.ac: Check for a sigaltstack declaration.
1217 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1218 * configure: Regenerate.
1219 * config.in: Regenerate.
1221 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1224 * Makefile.in (stmp-fixinc): Fix typo.
1226 2006-06-02 Roger Sayle <roger@eyesopen.com>
1228 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1229 are type correct. Clean-up.
1230 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1231 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1233 2006-06-01 DJ Delorie <dj@redhat.com>
1235 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1236 shift, as we've disabled the "switch" insn that needs it.
1238 2006-06-01 Per Bothner <bothner@bothner.com>
1240 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1241 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1242 * c-ppoutput.c (cb_define): Don't increment line 0.
1244 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1246 * doc/invoke.texi: Add cpu_type power6.
1247 * config.gcc: Add cpu_type power6.
1248 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1249 to power5+ with Altivec.
1250 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1251 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1253 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1255 * config/avr/avr.h (SET_ASM_OP): Define.
1257 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1259 * config/bfin/bfin.c: Fix comment typos.
1261 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1264 * doc/install.texi: Document --enable-bootstrap and
1265 --disable-bootstrap.
1267 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1269 * doc/install.texi: Document that InfoZIP can replace jar.
1271 2006-05-31 Roger Sayle <roger@eyesopen.com>
1273 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1274 isn't available, directly generate the simpler x87 patterns without
1275 the (use (const_int 0)).
1276 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1277 implementation isn't available.
1278 (*negdf2_1): Likewise.
1279 (*negxf2_1): XF mode negation is always done using the x87.
1280 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1282 2006-05-31 Roger Sayle <roger@eyesopen.com>
1284 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1285 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1287 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1289 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1291 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1292 * config/bfin/bfin.c (basic-block.h): Include.
1293 (struct machine_function): New.
1294 (bfin_init_machine_status): New.
1295 (override_options): Initialize init_machine_status.
1296 (bfin_hardware_loop): New.
1297 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1298 (DEF_VEC_P (loop_info)): New.
1299 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1300 (struct loop_info): New.
1301 (loop_info): New typedef.
1302 (struct loop_work): New.
1303 (loop_work): New typedef.
1304 (DEF_VEC_O (loop_work)): New.
1305 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1306 (bfin_dump_loops): New.
1307 (bfin_bb_in_loop): New.
1308 (bfin_scan_loop): New.
1309 (bfin_optimize_loop): New.
1310 (bfin_reorg_loops): New.
1311 (bfin_reorg): Use bfin_reorg_loops.
1312 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1314 (I_REGNO_P): Simplify.
1315 (DP_REGNO_P, DPREG_P): New macros.
1316 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1317 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1318 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1319 Add LT_REGS, LC_REGS, LB_REGS.
1320 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1322 (REGNO_REG_CLASS): Deal with loop registers.
1323 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1325 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1326 New constants for loop registers.
1327 (UNSPEC_LSETUP_END): New.
1328 (seq_insns): New define_attr. Set it for appropriate insns.
1329 (movsi_insn): Add alternatives for move from/to
1330 loop count registers.
1331 (doloop_end): New define_expand.
1332 (loop_end): New define_insn.
1333 (define_split for bad doloop_end): New.
1334 (lsetup_with_autoinit): New define_insn.
1335 (lsetup_without_autoinit): New define_insn.
1336 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1337 * config/bfin/predicates.md (lc_register_operand): New.
1338 (lt_register_operand): New.
1339 (lb_register_operand): New.
1340 (nondp_register_operand): New.
1341 (nondp_reg_or_memory_operand): New.
1342 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1344 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1346 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1347 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1349 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1351 * Makefile.in (CATALOGS): Add po/ prefix.
1352 * configure: Regenerated.
1354 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1357 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1358 a shift operand before calling shift_op. Avoid redundant call of
1361 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1362 DJ Delorie <dj@redhat.com>
1364 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1365 we're inserting is a singlt-bit constant.
1367 2006-05-30 Roger Sayle <roger@eyesopen.com>
1369 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1370 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1372 2006-05-30 Roger Sayle <roger@eyesopen.com>
1374 PR tree-optimization/23452
1375 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1376 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1377 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1378 complex values and with -ffast-math for FP complex values.
1380 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1382 * c-common.h: Remove the prototype for yyparse.
1383 * rtl.h: Remove the prototype for init_loop.
1385 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1387 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1390 2006-05-30 Roger Sayle <roger@eyesopen.com>
1392 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1394 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1395 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1397 2006-05-30 Dirk Mueller <dmueller@suse.de>
1400 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1401 for CONSTANT_CLASS_P expresisons.
1403 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1406 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1408 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1410 PR tree-optimization/27779
1411 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1412 initial_condition instead of CHREC_LEFT.
1414 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1416 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1417 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1418 Make prototypes ISO C90.
1420 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1421 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1423 * see.c (see_analyze_one_def): Correct check.
1424 (see_get_extension_data): Check if extension is parallel.
1425 (see_get_extension_reg): Likewise.
1427 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1430 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1431 into register for (code == GTU).
1433 2006-05-29 Roger Sayle <roger@eyesopen.com>
1435 PR tree-optimization/24964
1436 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1437 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1438 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1439 abs(x)*abs(x) as x*x for scalar floating point modes.
1441 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1444 * lambda-code.c (perfect_nestify): Don't copy statements
1445 in the inner loop: move them to the inner loop header.
1447 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1450 * c-tree.texi: Document OpenMP directives and clauses.
1452 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1454 * varasm.c (globalize_decl): Fix indentation.
1456 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1459 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1460 pass_fre, pass_store_ccp, pass_copy_prop,
1461 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1462 pass_return_slot, pass_object_size, pass_lim,
1463 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1464 pass_loop_prefetch and pass_stdarg.
1466 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1468 * config/bfin/bfin.opt (mfdpic): New option.
1469 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1470 (EXTRA_MULTILIB_PARTS): Likewise.
1471 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1472 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1474 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1475 (CRT_CALL_STATIC_FUNCTION): New.
1476 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1478 (CRT_CALL_STATIC_FUNCTION): New.
1479 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1481 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1482 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1483 (initialize_trampoline): Changed to handle FD-PIC code generation.
1484 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1485 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1486 (override_options): Disallow -mid-shared-library -mfdpic combination.
1487 Can't do unaligned ops if FD-PIC.
1488 Turn off flag_pic if trying to generate non-id-shared-library
1489 non-fdpic code, since it's not supported.
1490 (bfin_assemble_integer): New function.
1491 (TARGET_ASM_INTEGER): Define.
1492 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1494 * config/bfin/crtn.s: Restore them.
1495 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1497 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1498 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1499 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1500 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1501 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1503 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1504 FDPIC_REGS and FDPIC_FPTR_REGS.
1505 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1506 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1507 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1508 (load_funcdescsi): New pattern.
1509 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1510 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1511 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1513 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1515 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1518 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1520 * tree-flow.h: Remove the prototype for add_type_alias.
1521 * tree-ssa-alias.c (add_type_alias): Remove.
1523 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1525 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1526 config/fr30/fr30.md, config/i386/i386-interix.h,
1527 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1528 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1529 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1530 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1531 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1532 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1533 Follow spelling conventions.
1534 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1535 Follow spelling conventions.
1537 2006-05-27 Richard Guenther <rguenther@suse.de>
1540 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1541 to produce a constant of value 1 of generic type.
1543 2006-05-27 Dirk Mueller <dmueller@suse.de>
1545 * cgraphunit.c (decide_is_function_needed): Fix wrong
1548 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1550 PR rtl-optimization/27661
1551 * reload.c (find_reloads): When reloading a VOIDmode constant
1552 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1553 use Pmode as mode of the reload register.
1555 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1557 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1558 is enabled at -O and above.
1560 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1563 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1566 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1569 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1570 for anonymous variables explicitly declared by front ends.
1572 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1574 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1575 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1576 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1577 ref-all pointers, run a finalization pass for them.
1578 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1579 (finalize_ref_all_pointers): New function.
1580 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1581 regular pointer type to a ref-all pointer type.
1582 (get_tmt_for): Return the special memory tag for ref-all pointers.
1584 2006-05-25 Richard Guenther <rguenther@suse.de>
1587 * fold-const.c (fold_binary): Do not look at the stripped
1588 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1590 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1592 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1593 for LT and GT if the computed range is effectively empty.
1595 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1598 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1599 mips_quad_format formats instead of ieee_single_format,
1600 ieee_double_format and ieee_quad_format formats, respectively.
1602 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1604 PR tree-optimization/27639
1605 PR tree-optimization/26719
1606 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1607 call to scev_probably_wraps_p.
1608 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1609 used_in_pointer_arithmetic_p, convert_step): Removed.
1610 (nowrap_type_p): New function.
1611 (scev_probably_wraps_p): Rewritten.
1612 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1613 chrec_convert if chrec_convert_aggressive might have been used.
1614 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1615 scev_direction): New functions.
1616 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1617 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1618 instead of convert_step.
1619 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1620 (convert_step): Declaration removed.
1621 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1623 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1625 * df-core.c: Added to header comments.
1626 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1627 df_ur_bb_info, df_urec_bb_info): Added comments.
1628 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1629 urec, ri problems): Fixed header comments.
1630 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1631 code from df_rd_transfer_function.
1633 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1635 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1636 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1637 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1639 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1641 * expr.c (undefined_operand_subword_p): New.
1642 (emit_move_multi_word): Do not generate move from undefined bits
1643 of a paradoxical subreg.
1645 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1647 PR rtl-optimization/27736
1648 * combine.c (replaced_rhs_value): New variable.
1649 (combine_instructions): Set it.
1650 (distribute_notes): When distributing a note in replaced_rhs_insn,
1651 check whether the value was used in replaced_rhs_value.
1653 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1656 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1657 add_referenced_var instead of add_referenced_tmp_var.
1658 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1659 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1661 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1662 tree_optimize_tail_calls_1): Use add_referenced_var.
1663 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1664 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1665 Use add_referenced_var.
1666 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1667 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1668 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1669 Use add_referenced_var.
1670 * tree-dfa.c (struct walk_state): Remove.
1671 (find_referenced_vars): Remove walk state and vars_found hash table.
1672 (make_rename_temp): Use add_referenced_var.
1673 (find_vars_r): Pass less parameters to add_referenced_var.
1674 (referenced_var_p): New. Is var in referenced_var hash table.
1675 (referenced_var_insert): Assert var isn't already in hash table.
1676 (add_referenced_var): Don't need walk_state parameter. Add var if it
1677 isn't already in the hash table.
1678 (add_referenced_tmp_var): Remove.
1679 (find_new_referenced_vars_1): Use add_referenced_var.
1680 * tree-ssa-pre.c (create_expression_by_pieces,
1681 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1682 Use add_referenced_var.
1683 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1684 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1685 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1687 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1688 vect_create_data_ref_ptr, vect_create_destination_var,
1689 vect_init_vector, vect_build_loop_niters,
1690 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1691 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1692 Use add_referenced_var.
1693 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1694 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1695 (add_referenced_var): Add prototype.
1696 * tree-ssa-structalias.c (get_constraint_for,
1697 intra_create_variable_infos): Use add_referenced_var.
1699 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1701 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1702 big-endian paradoxical subregs.
1703 * var-tracking.c (struct micro_operation_def): Document that,
1704 for modify micro operations, insn is the subsequent instruction.
1705 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1706 (var_reg_set, var_mem_set): ... new functions.
1707 (add_stores): Record subsequent insn.
1708 (compute_bb_dataflow): Use new functions for MO_USE.
1709 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1710 notes after the insn, and modify notes before the insn known
1711 to be the subsequent one.
1712 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1714 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1717 * config/i386/i386.c (ix86_expand_builtin): Use
1718 gen_sse3_monitor64 for TARGET_64BIT.
1720 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1722 PR rtl-optimization/26375
1723 PR rtl-optimization/26855
1724 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1726 (df_ru_bb_local_compute): Reversed statements and removed bogus
1727 comment explaining why they should be in wrong order.
1728 (df_ru_dump, df_rd_dump): Enhanced debug info.
1729 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1731 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1732 reaching uses and fixed space problem.
1734 2006-05-23 Jan Hubicka <jh@suse.cz>
1736 * cgraphunit.c (decide_is_function_needed): Also nested functions
1737 and functions declared inline can be optimized out at -O0.
1739 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1741 * doc/install.texi (Configuration): Remove reference to CrossGCC
1745 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1748 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1749 ix86_compare_emitted is non-NULL.
1751 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1754 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1757 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1759 PR rtl-optimization/25514
1760 * combine.c (replaced_rhs_insn): New variable.
1761 (combine_instructions): Set replaced_rhs_insn when trying to replace
1762 a SET_SRC with a REG_EQUAL note.
1763 (distribute_notes): Use replaced_rhs_insn when determining the live
1764 range of a REG_DEAD register.
1766 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1767 Anatoly Sokolov <aesok@post.ru>
1769 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1770 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1771 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1772 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1773 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1774 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1775 at90usb647, at90usb1286 and at90usb1287 devices.
1776 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1777 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1779 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1781 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1783 2006-05-22 Richard Guenther <rguenther@suse.de>
1786 2006-01-31 Richard Guenther <rguenther@suse.de>
1787 Paolo Bonzini <bonzini@gnu.org>
1789 * doc/install.texi (--disable-libgcc-math): Document.
1791 2006-05-22 Richard Guenther <rguenther@suse.de>
1794 2006-01-31 Richard Guenther <rguenther@suse.de>
1796 * doc/invoke.texi (-msselibm): Document.
1797 * target.h (expand_library_builtin): New target hook.
1798 * builtins.c (expand_builtin): Use expand_library_builtin.
1799 (default_expand_library_builtin): New function.
1800 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1801 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1802 (link_gcc_math_spec): Declare.
1803 (static_specs): Add link_gcc_math_spec.
1804 * expr.h (default_expand_library_builtin): Declare.
1805 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1806 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1807 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1808 * config/i386/i386.opt (msselibm): New target option.
1809 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1810 (ix86_init_sse_abi_builtins): New function.
1811 (ix86_expand_library_builtin): Likewise.
1812 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1813 (override_options): Handle error conditions wrt -msselibm.
1814 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1815 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1816 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1819 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1822 * c-common.c (self_promoting_args_p): Skip erroneous args.
1825 * c-decl.c (finish_struct): Skip erroneous fields.
1827 2006-05-22 Nick Clifton <nickc@redhat.com>
1829 * config/cris/cris.opt (march): Remove VarExists attribute.
1830 (max-stackframe=): Likewise.
1832 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1834 * doc/rtl.texi: Fix a typo.
1835 * see.c: Fix comment typos.
1837 * tree-ssa-structalias.h (alias_info): Remove num_references.
1839 2006-05-21 Mike Stump <mrs@apple.com>
1841 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1843 (darwin_pragma_options): Use BAD instead.
1844 (darwin_pragma_unused): Likewise.
1845 (darwin_pragma_ms_struct): Likewise.
1847 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1849 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1851 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1853 PR rtl-optimization/27671
1854 * simplify-rtx.c (simplify_relational_operation_1): Fix
1855 simplifications of (eq/ne (xor x y) y) and
1856 (eq/ne (xor x y) x).
1858 PR tree-optimization/26622.
1859 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1862 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1864 * tree-cfg.c: Prune whitespace.
1865 (debug_tree_cfg): Point to correct header containing the
1868 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1871 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1873 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1876 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1877 or sorry count is non zero.
1879 2006-05-20 Andreas Schwab <schwab@suse.de>
1881 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1883 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1884 Kenneth Zadeck <zadeck@naturalbridge.com>
1886 PR rtl-optimization/26855
1888 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1890 (df_scan_alloc): Added code to properly handle multiword hard
1891 registers and add all_blocks parameter.
1892 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1893 code to properly handle multiword hard registers.
1894 (df_rescan_blocks): Added code to remove deleted blocks from
1896 (df_ref_create_structure, df_ref_record): Added code to properly
1898 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1899 and set DF_REF_PARTIAL.
1900 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1901 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1902 (df_scan_add_problem): Added flags parameter.
1903 (df_ref_create_structure): Changed switching structure.
1904 (df_bb_refs_record): Fixed case where duplicate artificial refs
1905 were created. Changed location of flags.
1906 (df_record_entry_block_defs): Added code to make stack pointer
1907 live in entry block. Refined cases where frame pointer is needed.
1908 Changed location of flags.
1909 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1910 (df_set_state): Removed function.
1911 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1912 df_insn_create_insn_record, df_insn_refs_delete,
1913 df_ref_create_structure): Formatting changes.
1914 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1915 df_delete_basic_block): New function.
1916 (df_init): Changed location of flags.
1917 (df_add_problem): Added flags parameter and the way flags are
1919 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1920 debug_df_chain): Improved debugging output.
1921 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1922 (df_refs_chain_dump): Removed df parameter.
1923 (df_iterative_dataflow): Added consistency check.
1924 (df_prune_to_subcfg): Made public.
1925 (df_analyze_problem): Added blocks_to_init parameter and made
1927 (df_ref_record, df_bb_refs_record, df_mark_reg,
1928 df_record_exit_block_uses): Whitespace changes.
1929 (df_dump): Whitespace changes.
1930 * df.h: Some reordering to remove forward references.
1931 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1932 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1933 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1934 (dataflow.flags): New field.
1935 (df.flag): Deleted field.
1936 (df_alloc_function): Added additional bitmap parameter.
1937 (df_dependent_problem_function): New type.
1938 (df_problem.changeable_flags): New field.
1939 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1940 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1941 (df_mw_hardreg): New struct.
1942 (DF_INSN_UID_MWS): New macro.
1943 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1945 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1946 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1947 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1948 (df_set_state): Removed function.
1949 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1950 * df-problems.c (df_chain_dump): Removed df parameter.
1951 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1952 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1954 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1955 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1956 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1957 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1958 DF_REF_MUST_CLOBBER cases.
1959 (df_ru_bb_local_compute_process_def,
1960 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1961 df_lr_bb_local_compute, df_ur_bb_local_compute,
1962 df_chain_create_bb): Made subreg aware.
1963 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1964 df_lr_bb_local_compute, df_lr_bb_local_compute,
1965 df_chain_create_bb): Cleanup to use proper macros.
1966 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1967 code to fixup bitvectors.
1968 (df_ri_alloc): Cleared lifetime.
1969 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1970 df_create_unused_note): New function.
1971 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1972 REG_DEAD and REG_UNUSED notes as well as register information.
1973 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1974 df_chains_dump): Fixed crash if problem was never run.
1975 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1976 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1977 df_ri_add_problem): Processes flags in uniform manner.
1978 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1979 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1980 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1981 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1982 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1983 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1984 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1985 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1986 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1987 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1988 * see.c (see_initialize_data): Ditto.
1989 * final.c (rest_of_clean_state) Added regstack_completed.
1990 * rtl.h (regstack_completed): Ditto.
1991 * reg-stack.c (regstack_completed): Ditto.
1993 2006-05-19 Mike Stump <mrs@apple.com>
1995 * c-tree.h (default_conversion): Remove.
1996 * c-common.h (default_conversion): Add.
1998 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2000 * tree-vrp.c (valid_value_p): New function.
2001 (adjust_range_with_scev): Fail if the value of bound is not
2004 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2006 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2007 (mips_fallback_frame_state): Use syscall numbers to determine
2008 the appropriate li instruction for the current ABI. Only use
2009 __NR_sigreturn for o32.
2011 2006-05-19 Nicolas Setton <setton@adacore.com>
2013 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2014 * langhooks.c (lhd_dwarf_name): New function.
2015 * langhooks-def.h (lhd_dwarf_name): Declare.
2016 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2017 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2018 * ada/misc.c (gnat_dwarf_name): New function.
2019 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2021 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2023 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2025 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2026 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2027 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2028 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2029 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2030 determine the size of Wtype, etc.
2031 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2032 (swfloatfuncs): New variable.
2033 (dwfloatfuncs): Likewise.
2034 (lib2funcs): Remove floating-point conversion functions from
2035 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2036 the set of conversion routines needed. Allow entries to specify
2037 an object name, filename and word size. Update users accordingly.
2038 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2039 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2043 2006-02-08 Roger Sayle <roger@eyesopen.com>
2046 * config/fixtfdi.c: New libgcc source file.
2047 * config/fixunstfdi.c: New source file.
2048 * config/floatditf.c: New source file.
2049 * config/floatunditf.c: New souce file.
2050 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2051 files above instead of config/mips/_tilib.c.
2052 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2054 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2056 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2057 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2059 2006-05-18 Mike Stump <mrs@apple.com>
2061 Fix up vla, vm and [*] sematics.
2067 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2068 (c_vla_unspec_p): Add.
2069 (c_vla_type_p): Add.
2070 * c-decl.c (struct c_scope): Add had_vla_unspec.
2071 (build_array_declarator): Add support for [*].
2072 (grokdeclarator): Likewise.
2073 (grokparms): Likewise.
2074 (get_parm_info): Likewise.
2075 * c-objc-common.c (c_vla_unspec_p): Likewise.
2076 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2077 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2078 typeof when argument is a variably modified type not inside sizeof or alignof.
2079 (c_parser_direct_declarator_inner): Propagate errors.
2080 (c_parser_sizeof_expression): Add support for [*].
2081 (c_parser_parms_declarator): Initialize had_vla_unspec.
2082 (c_parser_parms_list_declarator): Likewise.
2083 * c-typeck.c (c_vla_type_p): Add.
2084 (composite_type): Add support for vla compositing.
2085 (comptypes_internal): Add support for vla compatibility.
2086 (c_expr_sizeof_expr): Evaluate vla arguments.
2087 * tree.c (variably_modified_type_p): Update comment for [*].
2089 2006-05-18 Michael Matz <matz@suse.de>
2092 * config.host: Make assignments to host_xmake_file cumulative.
2093 * config.host (*-darwin*): Test $host, not $target.
2095 2006-05-12 Stuart Hastings <stuart@apple.com>
2097 * config/i386/i386.opt (-mstackrealign): New flag.
2098 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2099 (ix86_handle_cconv_attribute): Emit error when
2100 force_align_arg_pointer attribute collides with too many regparms.
2101 (ix86_function_regparm): Limit regparms when used with
2102 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2103 Support stack-realigning prologue in non-main functions. Emit
2104 warning for nested functions under -mstackrealign, emit error for
2105 nested functions with force_align_arg_pointer attribute.
2106 * doc/extend.texi (force_align_arg_pointer): Document it.
2107 * doc/invoke.texi (-mstackrealign): Document it.
2109 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2111 PR rtl-optimization/27477
2112 * combine.c (try_combine): Don't split a parallel consisting
2113 of two sets into two individual sets if both sets reference
2116 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2118 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2119 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2121 * doc/options.texi (VarExists): Updated.
2123 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2125 * unwind-dw2.c: Add declarations for uw_update_context and
2127 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2128 detected, advance frame state and context once to skip over stub.
2130 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2134 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2135 Call rewrite_into_loop_closed_ssa only when something changed.
2136 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2137 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2138 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2139 Test for perfect_nest_p here. Fix formating.
2140 (replace_uses_equiv_to_x_with_y): Fix formating.
2141 (stmt_uses_op): Removed.
2142 (can_convert_to_perfect_nest): Removed loopivs parameter.
2143 Complete the test by checking the scalar dependences.
2144 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2147 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2150 From Dan Kegel <dank@kegel.com>:
2151 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2153 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2155 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2156 if the element type is variably modified without recursing.
2158 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2161 * tree-loop-linear.c (try_interchange_loops): Test for
2162 no data dependences.
2164 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2166 PR tree-optimization/27548
2167 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2168 range of ssa names that appear on abnormal edges.
2169 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2170 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2172 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2175 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2177 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2180 * tree.h (OMP_PARALLEL_COMBINED): Define.
2181 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2182 (new_omp_context): Add is_combined_parallel argument.
2183 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2184 new_omp_context caller.
2185 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2186 Adjust gimplify_scan_omp_clauses callers.
2187 (omp_is_private): Issue errors if iteration variable is firstprivate
2188 or reduction in the current context.
2189 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2190 on combined parallel workshare constructs.
2192 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2194 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2195 (gcc-options.o): New rule.
2197 * optc-gen.awk: Protect variables for gcc-options.o with
2198 #ifdef GCC_DRIVER/#endif.
2200 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2202 Fix PR tree-optimization/27373
2203 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2204 (forward_propagate_addr_expr): Update call.
2206 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2208 * doc/options.texi: Move the Negative option.
2210 2006-05-16 Richard Guenther <rguenther@suse.de>
2212 PR tree-optimization/22303
2213 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2215 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2216 ccp_fold did not simplify the statement.
2218 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2221 * Makefile.in (GCC_OBJS): New.
2222 (OBJS-common): Add opts-common.o.
2223 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2224 (cpp$(exeext)): Likewise.
2225 (gcc.o): Also depend on opts.h.
2226 (opts-common.o): New.
2228 * common.opt (gcoff): Add Negative(gdwarf-2).
2229 (gdwarf-2): Add Negative(gstabs).
2230 (gstabs): Add Negative(gstabs+).
2231 (gstabs+): Add Negative(gvms).
2232 (gvms): Add Negative(gxcoff).
2233 (gxcoff): Add Negative(gxcoff+).
2234 (gxcoff+): Add Negative(gcoff).
2235 * config/i386/i386.opt (m32): Add Negative(m64).
2236 (m64): Add Negative(m32).
2238 * doc/options.texi: Document the Negative option.
2240 * gcc.c: Include "opts.h".
2241 (main): Call prune_options after expandargv.
2243 * optc-gen.awk: Generate common declarations for all flag
2244 variables in options.c. Output the neg_index field.
2246 * opts.c (find_opt): Moved to ...
2247 * opts-common.c: Here. New file.
2249 * opts.h (cl_option): Add a neg_index field.
2251 (prune_options): Likewise.
2253 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2256 * omp-low.c (expand_omp_parallel): Don't assert
2257 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2258 instead search for it.
2261 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2264 2006-05-16 Andreas Schwab <schwab@suse.de>
2266 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2269 2006-05-15 Roger Sayle <roger@eyesopen.com>
2272 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2273 integer constants other than zero are only legitimate on TARGET_64BIT.
2274 <CONST_VECTOR> Only zero vectors are legitimate.
2275 (ix86_cannot_force_const_mem): Integral and vector constants can
2276 always be put in the constant pool.
2278 2006-05-16 DJ Delorie <dj@redhat.com>
2280 * crtstuff.c (__dso_handle): Set section from
2281 TARGET_LBIGCC_SDATA_SECTION if defined.
2282 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2283 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2285 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2288 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2291 2006-05-16 Ben Elliston <bje@au.ibm.com>
2293 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2295 2006-05-15 Per Bothner <per@bothner.com>
2297 * tree.c: (last_annotated_node): Use source_locus typedef.
2298 This permits bootstrapping with --enable-mapped-location.
2300 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2302 PR tree-optimization/26830
2303 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2304 (info_for_ssa_name, current_info_for_ssa_name_age,
2305 blocks_to_update): New variables.
2306 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2307 (clear_ssa_name_info, initialize_flags_in_bb,
2308 mark_block_for_update): New functions.
2309 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2310 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2311 prepare_def_site_for): Use mark_block_for_update.
2312 (mark_def_interesting): Assert that the processed block is marked in
2313 blocks_to_update. Do not take blocks argument.
2314 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2316 (rewrite_update_init_block, rewrite_update_stmt): Only process
2317 blocks with statements to rewrite.
2318 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2319 (update_ssa): Initialize and free blocks_to_update. Do not
2320 clear flags on statements. Do not use blocks bitmap.
2321 * tree.h (SSA_NAME_AUX): Removed.
2322 (struct tree_ssa_name): Removed aux field.
2323 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2325 2006-05-15 Richard Guenther <rguenther@suse.de>
2327 PR tree-optimization/27603
2328 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2329 Do computations in original type.
2331 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2333 * see.c: Code style changes such as redundant paranthesis,
2334 redundant intialization of local variables etc.
2335 (see_main): Declared now as static.
2336 * doc/invoke.texi: Update that -fsee is not enabled by
2339 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2341 * omp-low.c (check_omp_nesting_restrictions): New function.
2342 (scan_omp_1): Call it.
2345 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2346 construct, return *VAR.
2348 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2350 PR rtl-optimization/27406
2351 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2354 2006-05-14 Roger Sayle <roger@eyesopen.com>
2356 PR rtl-optimization/27538
2357 * combine.c (expand_compound_operation): Call gen_lowpart
2358 before calling simplify_shift_const.
2360 2006-05-14 Roger Sayle <roger@eyesopen.com>
2362 PR rtl-optimization/22563
2363 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2364 a fixed width bitfield, always force the intermediates into psuedos.
2366 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2369 * mkconfig.sh: Use operator = instead of == for test.
2371 2006-05-13 Nick Clifton <nickc@redhat.com>
2373 * dwarf2out.c (dbx_reg_number): Check return value from
2374 LEAF_REG_REMAP and only use it if it is valid.
2375 (multiple_reg_loc_descriptor): Likewise.
2377 2006-05-13 Richard Guenther <rguenther@suse.de>
2379 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2382 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2384 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2385 information attached to non-INSNs such as NOTEs.
2386 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2388 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2390 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2392 * config/s390/s390.md: Adjust comment describing On constraint.
2394 2006-05-11 Jan Hubicka <jh@suse.cz>
2396 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2397 to be output at -O0.
2399 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2402 * fold-const.c (size_binop): Move sanity check for arguments to
2403 the beginning of the function.
2406 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2409 2006-05-11 Richard Guenther <rguenther@suse.de>
2412 * fold-const.c (fold_unary): Handle intermediate conversion
2413 to a pointer type like intermediate conversion to an integer
2414 type in folding of (T1)(T2)var to var.
2415 Match the code to the comment in the final conversion for
2416 (T1)(T2)var to (T1)var regarding to type precision. Rather
2417 than disallow T1 being of pointer type, assert that both T1
2418 and var are of pointer type or not. Make sure not to fall
2419 over the frontends lazyness wrt array to pointer decay though.
2421 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2423 * arm.c (arm_struct_value_rtx): Delete.
2424 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2425 (arm_init_cumulative_args): Always initialize nregs to zero.
2427 2006-05-10 Richard Guenther <rguenther@suse.de>
2429 PR tree-optimization/27532
2430 * tree-object-size.c (plus_expr_object_size): Fix typo.
2432 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2435 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2436 ashrdi_const, ashrdi3): Use a scratch register.
2438 2006-05-10 Richard Guenther <rguenther@suse.de>
2440 PR tree-optimization/27302
2441 * fold-const.c (operand_equal_p): For two comparisons,
2442 try comparison of one comparison code swapped if that yields
2445 2006-05-10 Ben Elliston <bje@au.ibm.com>
2447 * tree-pretty-print.c (pretty_print_string): No need to handle
2448 '\0' as a special character.
2450 * tree.h: Include "hashtab.h".
2451 (iterative_hash_expr): Use hashval_t in its prototype.
2452 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2454 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2457 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2458 (hppa*64*-*-hpux11*): Ditto.
2459 (hppa[12]*-*-hpux11*): Ditto.
2461 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2464 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2466 2006-05-09 Michael Matz <matz@suse.de>
2468 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2469 host_extra_gcc_objs and host_xmake_file.
2470 (<*-*-linux*>): Don't overwrite host_xmake_file.
2471 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2472 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2473 (host_detect_local_cpu): Declare.
2474 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2475 * config/i386/i386.c (override_options): Handle -mtune=native
2477 * config/i386/x-i386: New file.
2478 * config/i386/driver-i386.c: New file.
2479 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2482 2006-05-09 Dirk Mueller <dmueller@suse.de>
2483 Richard Guenther <rguenther@suse.de>
2486 * fold-const.c (fold_read_from_constant_string): Relax check
2487 for matching types to matching modes.
2489 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2491 PR rtl-optimization/27335
2492 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2495 2006-05-08 Chao-ying Fu <fu@mips.com>
2496 Richard Sandiford <richard@codesourcery.com>
2498 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2499 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2500 * config/mips/mips.md (UNSPEC_SCC): New constant.
2501 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2502 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2503 (mips_emit_compare): Use it.
2504 (mips_expand_vcondv2sf): New function.
2506 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2508 Fix PR tree-optimization/27093
2509 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2510 renaming when they become not-used_alone.
2512 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2514 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2515 relocation and relocation stubs.
2517 2006-05-08 Eric Christopher <echristo@apple.com>
2519 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2522 2006-05-08 Jan Hubicka <jh@suse.cz>
2525 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2526 unused static functions are needed.
2528 2006-05-08 Roger Sayle <roger@eyesopen.com>
2531 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2532 of a reg_equiv_constant if the result is a legitimate constant.
2534 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2537 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2538 standard 80387 constants, raise the cost to prevent
2539 compress_float_constant() to generate load from memory.
2541 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2543 * config/arm/constraints.md (c): Fix a typo.
2545 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2548 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2551 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2553 (_mm_mwait): Likewise.
2555 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2557 (sse3_monitor): Make it 32bit only.
2558 (sse3_monitor64): New. 64bit monitor.
2560 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2563 * config/i386/i386.c (classify_argument): Skip fields with invalid
2566 2006-05-07 Richard Guenther <rguenther@suse.de>
2568 PR tree-optimization/27409
2569 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2570 Do not try to find zero-sized subvars.
2572 2006-05-07 Richard Guenther <rguenther@suse.de>
2574 PR tree-optimization/27136
2575 * tree-ssa-loop-niter.c (get_val_for): Correct function
2576 comment, assert requirements.
2577 (loop_niter_by_eval): Stop processing if the iterated
2578 value did not simplify.
2580 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2582 * opts.c (flag_see): remove its setting at -O3.
2584 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2586 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2587 * arm/constraints.md: New file.
2588 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2589 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2590 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2591 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2592 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2593 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2594 * arm.md: Include constraints.md.
2595 (thumb_movsi_insn): Use satisfies_constraint_J.
2596 (movhi, movqi): Use satisfies_constraint_I.
2598 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2600 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2601 for atmeg a645 device.
2603 2006-05-06 Richard Guenther <rguenther@suse.de>
2605 PR tree-optimization/27151
2606 * tree-vect-transform.c (vectorizable_condition): Punt on
2607 values that have a different type than the condition.
2609 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2612 * c-parser.c (c_parser_cast_expression): Only insert casts into
2613 hash table if pointer.
2614 * function.c (used_types_insert_helper): Rename from
2616 (used_types_insert): Call used_types_insert_helper.
2617 * function.h (used_types_insert): Accept only one argument.
2619 2006-05-05 David Edelsohn <edesohn@gnu.org>
2621 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2622 scratch with output modifier.
2624 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2627 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2628 with output modifier.
2630 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2633 * config/mips/mips.c (mips_symbolic_address_p): Return true
2634 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2635 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2637 2006-05-04 Richard Guenther <rguenther@suse.de>
2639 PR tree-optimization/14287
2640 PR tree-optimization/14844
2641 PR tree-optimization/19792
2642 PR tree-optimization/21608
2643 PR tree-optimization/27090
2644 * tree-ssa-pre.c (try_combine_conversion): New function.
2645 (compute_avail): After constructing the value-handle
2646 expression, use try_combine_conversion to combine NOP_EXPRs
2647 with previous value-handle expressions and use the result if it
2650 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2652 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2654 2006-05-04 Jan Hubicka <jh@suse.cz>
2657 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2659 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2661 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2662 that this only matches CONST_INTs. All users changed to VOIDmode
2665 * config/bfin/bfin.c: Include "optabs.h".
2666 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2668 (enum bfin_builtins): Add a number of fractional and vector builtins.
2669 (bfin_init_builtins): Likewise.
2670 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2671 (safe_vector_operand, bfin_expand_binop_builtin,
2672 bfin_expand_unop_builtin): New functions.
2673 (bfin_expand_builtin): Handle the new builtins.
2674 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2677 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2680 * Makefile.in (OBJS-common): Add see.o.
2681 (see.o): Add dependencies.
2682 * common.opt (fsee): New flag for the see optimization was added.
2683 * opts.c (flag_see): Initialized.
2684 * passes.c (init_optimization_passes, pass_see): New pass.
2685 * rtl.h (see_main): Declaration as extern.
2686 * timevar.def (TV_SEE): New.
2687 * tree-pass.h (pass_see): Declaration as extern.
2688 * invoke.texi (-fsee): Document.
2689 * recog.c (validate_simplify_insn): New function.
2690 * recog.h (validate_simplify_insn): Declaration as extern.
2691 * df-problems.c (df_chain_dump): Check for NULL.
2693 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2694 Daniel Berlin <dberlin@dberlin.org>
2696 * cfgrtl.c (insert_insn_bb_end_new): New function.
2697 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2699 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2701 * df.h (struct web_entry): Moved from web.c.
2702 (union_defs): Declaration as extern.
2703 (unionfind_root): Likewise.
2704 (unionfind_union): Likewise.
2705 * web.c (struct web_entry): Moved to df.h.
2706 (unionfind_root): Remove static declaration.
2707 (unionfind_union): Likewise.
2708 (union_defs): Likewise and generalize to use callback function.
2709 (web_main): Update arguments for union_defs function call.
2711 2006-05-04 Richard Guenther <rguenther@suse.de>
2713 PR tree-optimization/26447
2714 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2715 produce SSA_NAME copies before the store stmt to avoid
2716 breaking exception handling.
2718 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2721 * gimplify.c (omp_is_private): If var is shared in some outer context,
2722 return false instead of true. Stop searching on parallel context
2725 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2728 * coverage.c: Use get_gcov_unsigned_t() instead of
2729 unsigned_type_node all over.
2731 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2733 PR tree-optimization/27381
2734 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2735 maintain the same immediate_use links.
2736 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2737 node rather than segfaulting.
2739 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2742 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2743 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2744 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2746 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2748 Fix PR tree-optimization/26626
2749 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2751 * tree-ssa-operands.c (access_can_touch_variable): Allow
2752 typecasting through union pointers.
2754 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2757 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2758 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2759 to find if var will be a global variable even in the nested context.
2760 (omp_copy_decl): Only check for global variable at the end, it might
2761 be overridden in outer contexts.
2762 (scan_sharing_clauses): For global variables don't create a field.
2763 (lower_rec_input_clauses): Do nothing for global shared variables.
2764 Emit a barrier at the end of ILIST if there were any decls in both
2765 firstprivate and lastprivate clauses.
2766 (lower_send_clauses): Do nothing for global variables except for
2769 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2771 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2772 of the correct signedness is returned.
2774 2006-05-02 Jeff Law <law@redhat.com>
2776 PR tree-optimization/27364
2777 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2778 multiply expressions.
2780 2006-05-02 Tom Tromey <tromey@redhat.com>
2782 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2784 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2787 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2788 -mthumb -fPIC are used.
2790 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2791 Joshua Kinard <kumba@gentoo.org>
2794 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2795 with 64-bit pointers.
2797 2006-05-02 Paul Brook <paul@codesourcery.com>
2799 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2801 (create_fix_barrier): Check that a suitable barrier location is
2803 (arm_reorg): Include ftmp->address in allowable range of addresses.
2805 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2808 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2811 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2814 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2815 around RESULT_DECL for result passed by reference.
2816 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2817 * omp-low.c (use_pointer_for_field): Don't look at
2818 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2819 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2820 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2821 time or var for passing by reference for
2822 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2823 TREE_ADDRESSABLE variables when passing by reference.
2825 * omp-low.c (dump_omp_region): Fix output formatting.
2828 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2829 (expand_omp_parallel): Likewise.
2830 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2833 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2834 on statement list containing also constructors and destructors.
2835 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2838 * except.c (duplicate_eh_regions): Fix clearing of
2839 cfun->eh->region_array entries.
2841 2006-05-01 DJ Delorie <dj@redhat.com>
2843 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2845 (gcc_cv_objdump): Likewise.
2846 * configure: Regenerated.
2848 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2851 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2852 templates for case 3 and 4.
2854 2006-05-01 DJ Delorie <dj@redhat.com>
2856 * vec.c: Include bconfig.h when appropriate.
2857 * Makefile.in (build/vec.o): Adjust dependencies.
2858 * mkconfig.sh: Make sure config.h isn't used for build machine
2861 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2863 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2865 (mark_phi_for_rewrite): New function.
2866 (insert_phi_nodes_for, mark_use_interesting): Call
2867 mark_phi_for_rewrite.
2868 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2869 (update_ssa): Initialize and free phis_to_rewrite.
2871 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2873 PR rtl-optimization/27291
2874 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2875 folded to a constant.
2877 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2879 PR tree-optimization/27283
2880 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2881 not whole # of iteration descriptions.
2882 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2883 uses abnormal ssa name.
2884 (niter_for_single_dom_exit): Ditto.
2885 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2886 return just the number of iterations.
2888 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2890 PR tree-optimization/27144
2891 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2892 (record_estimate): Only record constant upper bound.
2893 (infer_loop_bounds_from_undefined): Call
2894 compute_estimated_nb_iterations just once.
2895 (proved_non_wrapping_p): Renamed to ...
2896 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2897 (convert_step_widening, scev_probably_wraps_p): Call
2898 n_of_executions_at_most instead of proved_non_wrapping_p.
2899 (substitute_in_loop_info): Do not replace values in bounds.
2900 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2903 2006-05-01 Richard Henderson <rth@redhat.com>
2906 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2907 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2910 2006-05-01 Roger Sayle <roger@eyesopen.com>
2912 * c-typeck.c (parser_build_binary_op): Don't call the function
2913 unsigned_conversion_warning to spot operand/result type overflow.
2914 (build_binary_op): Instead, call convert_and_check instead of
2915 convert to report the problem when the operands are promoted.
2916 * c-common.c (unsigned_conversion_warning): Make static.
2917 * c-common.h (unsigned_conversion_warning): Delete prototype.
2919 2006-05-01 Richard Guenther <rguenther@suse.de>
2921 PR tree-optimization/26726
2922 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2924 (find_interesting_uses_address): ... we work around here
2925 by folding INDIRECT_REFs in the substituted base.
2927 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2929 * omp-low.c (dump_omp_region): Add newlines.
2931 2006-04-30 Roger Sayle <roger@eyesopen.com>
2933 * common.opt (Woverflow): New command line option.
2934 * c-common.c (constant_expression_warning): Check warn_overflow.
2935 (overflow_waring): Pass OPT_Woverflow to warning.
2936 (unsigned_conversion_warning): Likewise.
2937 (convert_and_check): Likewise.
2938 * doc/invoke.texi: Document new command line option.
2940 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2942 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2943 TARGET_NO_FP_IN_TOC for section anchors.
2944 (optimization_options): Enable section anchors for all
2945 non-"Objective" languages.
2947 2006-04-28 Eric Christopher <echristo@apple.com>
2949 * config/darwin-c.c (darwin_ms_struct): Move this
2950 (darwin_set_default_type_attributes): and this...
2951 * config/darwin.c: ... here.
2952 * config/darwin.h (darwin_ms_struct): Declare.
2954 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2956 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2958 2006-04-28 Roger Sayle <roger@eyesopen.com>
2961 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2962 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2963 an unsigned HOST_WIDE_INT.
2964 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2966 (really_start_incremental_init): No need to call convert because
2967 bitsize_zero_node is already of type bitsizetype.
2968 (push_init_level): Extract the value of constructor_index as an
2969 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2970 (process_init_element): Likewise.
2972 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2974 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2975 value before passing to make_relative_prefix.
2977 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2980 * builtins.c (expand_builtin_memset): Expand val in original mode.
2982 2006-04-27 Eric Christopher <echristo@apple.com>
2984 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2985 with #ifndef/#endif.
2986 * config/darwin-c.c (darwin_ms_struct): New.
2987 (darwin_pragma_ms_struct): Ditto.
2988 (darwin_set_default_type_attributes): Ditto.
2989 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2990 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2991 Register ms_struct pragma.
2992 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2993 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2994 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2995 darwin_set_default_type_attributes if TARGET_MACHO.
2997 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2999 PR tree-optimization/26854
3000 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3001 * doc/tree-ssa.texi: Update immuse iterator documentation.
3002 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3003 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3004 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3005 first_safe_imm_use, next_safe_imm_use): Remove.
3006 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3007 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3008 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3009 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3010 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3011 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3012 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3013 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3014 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3015 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3016 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3017 (perfect_nestify): Use new iterator.
3018 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3020 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3021 (next_imm_name): New field in struct immediate_use_iterator_d.
3022 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3023 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3024 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3025 * tree-cfg.c (replace_uses_by): Use new iterator.
3026 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3027 * tree-ssa-operands.c (correct_use_link): Remove.
3028 (finalize_ssa_use_ops): No longer call correct_use_link.
3030 2006-04-27 Stuart Hastings <stuart@apple.com>
3032 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3033 * config/t-darwin (crt3.o): Use it.
3034 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3035 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3036 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3037 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3038 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3041 2006-04-27 Roger Sayle <roger@eyesopen.com>
3043 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3044 size, force the intermediate into a new pseudo rather instead of
3045 performing both a bitwise AND and a bitwise IOR in memory.
3047 2006-04-27 Richard Guenther <rguenther@suse.de>
3049 PR rtl-optimization/26685
3050 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3051 this one "max-flow-memory-locations".
3053 2006-04-27 Richard Guenther <rguenther@suse.de>
3055 PR tree-optimization/25148
3056 * tree-vrp.c (compare_values): Remove code dealing with
3057 comparisons against type min/max value. Honour overflow
3058 and negative constants in code dealing with comparisons
3059 of plus and minus expressions.
3060 (value_inside_range): Use fold_binary with LE_EXPR and
3061 GE_EXPR rather than compare_values.
3063 2006-04-27 Dirk Mueller <dmueller@suse.de>
3065 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3068 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3070 * basic-block.h (safe_insert_insn_on_edge): Removed.
3071 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3073 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3074 Paolo Bonzini <bonzini@gnu.org>
3077 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3078 (simplify_and_const_int): Same.
3080 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3082 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3084 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3087 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3088 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3089 cgraph_global_info_ready.
3092 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3095 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3096 either decl or init is error_mark_node.
3099 * tree-flow.h (struct omp_region): Add sched_kind.
3100 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3101 instead of extracting omp for data.
3102 (expand_omp_for): Save extracted sched_kind.
3104 2006-04-25 Roger Sayle <roger@eyesopen.com>
3106 * expmed.c (store_bit_field): Also check whether the bitsize is
3107 valid for the machine's "insv" instruction before moving the
3108 target into a pseudo for use with the insv.
3109 * config/i386/predicates.md (const8_operand): New predicate.
3110 * config/i386/i386.md (extv, extzv, insv): Use the new
3111 const8_operand predicate where appropriate.
3113 2006-04-25 DJ Delorie <dj@redhat.com>
3115 * doc/install.texi (Specific): Clarify that this is not a list of
3116 supported hosts or targets.
3118 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3120 PR rtl-optimization/26725
3121 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3122 block's BB_DIRTY flag.
3124 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3126 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3129 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3130 to print an integer.
3132 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3134 * varasm.c (align_variable): New function.
3135 (get_block_for_decl): Apply align_variable to DECL before
3136 calculating section information.
3137 (assemble_variable): Split out alignment computation.
3139 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3141 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3144 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3146 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3147 MODE_PARTIAL_INT mode.
3148 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3149 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3151 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3152 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3154 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3156 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3158 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3159 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3160 MACFLAG_IH): Likewise.
3161 (movstricthi_1): Renamed from "*movstricthi".
3162 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3163 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3164 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3165 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3166 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3167 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3168 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3169 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3170 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3171 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3172 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3173 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3174 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3175 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3176 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3178 * doc/rtl.texi (ss_ashift): Improve wording.
3180 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3182 * dwarf2out.c (verify_marks_clear): New.
3183 (prune_unused_types): Call verify_marks_clear initially, not
3186 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3188 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3189 * doc/rtl.texi: Document them.
3190 * simplify-rtx.c (simplify_unary_operation,
3191 simplify_binary_operation_1): Don't abort when we see them.
3193 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3196 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3197 * configure.ac: Completely disregard languages that are not
3199 * configure: Regenerated.
3201 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3202 Richard Guenther <rguenther@suse.de>
3204 PR tree-optimization/27236
3205 * tree-inline.c (copy_body_r): Make sure to copy
3206 TREE_THIS_VOLATILE flag.
3208 2006-04-24 Richard Guenther <rguenther@suse.de>
3211 * tree-complex.c (update_parameter_components): Don't handle
3212 unused parameters which have no default def.
3214 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3215 Richard Guenther <rguenther@suse.de>
3217 PR tree-optimization/27218
3218 * tree-inline.c (expand_call_inline): Strip useless type
3219 conversions for the return slot address.
3221 2006-04-24 Richard Guenther <rguenther@suse.de>
3223 * cfgloop.h (struct loops): Remove unused field array. Reorder
3225 (LOOP_PREFETCH): Remove.
3227 2006-04-24 Richard Guenther <rguenther@suse.de>
3229 PR tree-optimization/22525
3230 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3231 variable, adjust types of generated expressions.
3233 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3235 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3236 (tree-vect-patterns.o): Likewise.
3238 (cselib.o): Likewise.
3239 (loop-doloop.o): Likewise.
3240 (regclass.o): Likewise.
3241 (reload1.o): Likewise.
3242 (explow.o): Replace target.h with $(TARGET_H).
3243 (ipa-prop.o): Likewise.
3244 (ipa-cp.o): Likewise.
3245 (ipa-inline.o): Likewise.
3246 (reorg.o): Likewise.
3247 (reg-stack.o): Likewise.
3249 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3251 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3253 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3255 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3257 * configure.ac: Completely disregard languages that are not
3259 * configure: Regenerated.
3262 * c-common.h (c_build_bitfield_integer_type): Declare.
3263 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3264 * c-common.c (c_build_bitfield_integer_type): ... here.
3266 2006-04-23 Roger Sayle <roger@eyesopen.com>
3269 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3270 a SImode SUBREG of a floating point register after no_new_pseudos.
3272 2006-04-23 Roger Sayle <roger@eyesopen.com>
3274 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3275 identify potentially eliminable registers to additionally catch
3276 VIRTUAL_INCOMING_ARGS_REGNUM.
3277 (addsi3): Update the conditions on when to use addsi_small_int.
3279 2006-04-23 Roger Sayle <roger@eyesopen.com>
3282 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3283 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3284 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3286 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3288 * fold-const.c (range_predecessor): Use operand_equal_p
3289 as the predicate for equality.
3290 (range_successor): Likewise.
3292 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3295 * config/soft-fp/op-common.h: Fix a typo.
3297 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3300 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3301 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3303 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3305 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3307 * doc/tm.texi: Fix a typo.
3309 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3311 * dwarf2out.c (struct die_struct): Document that die_sib makes
3312 a circular linked list.
3313 (FOR_EACH_CHILD): New.
3314 (reverse_die_lists): Delete.
3315 (reverse_all_dies): Delete.
3316 (add_dwarf_attr): Correct documentation.
3317 (remove_child_with_prev): New.
3318 (remove_child_TAG): Update for change to die_struct, use
3319 remove_child_with_prev.
3320 (add_child_die): Update for change to die_struct.
3321 (splice_child_die): Use remove_child_with_prev and add_child_die.
3322 (print_die): Use FOR_EACH_CHILD.
3323 (die_checksum): Likewise.
3324 (assign_symbol_names): Likewise.
3325 (output_location_lists): Likewise.
3326 (build_abbrev_table): Likewise.
3327 (calc_die_sizes): Likewise.
3328 (mark_dies): Likewise.
3329 (unmark_dies): Likewise.
3330 (unmark_all_dies): Likewise.
3331 (output_die): Likewise.
3332 (prune_unused_types_mark): Likewise.
3333 (prune_unused_types_walk): Likewise.
3334 (same_die_p): Update for change to die_struct.
3335 (break_out_includes): Likewise.
3336 (prune_unused_types_prune): Likewise.
3337 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3338 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3340 (dwarf2out_finish): Don't call reverse_all_dies.
3342 2006-04-21 Eric Christopher <echristo@apple.com>
3344 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3345 in comments and function names.
3347 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3350 * c-typeck.c (digest_init): Robustify.
3352 * c-typeck.c (pop_init_level): Simplify.
3354 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3356 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3358 2006-04-21 Paul Brook <paul@codesourcery.com>
3360 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3361 hardware floating point.
3363 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3365 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3368 2006-04-21 Nick Clifton <nickc@redhat.com>
3370 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3373 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3376 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3377 C++ lang type in traceback table for Objective-C++.
3379 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3381 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3383 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3385 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3388 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3389 were errors. Remove check for erroneous objects.
3391 2006-04-20 Jeff Law <law@redhat.com>
3393 PR tree-optimization/26854
3394 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3395 checking for zero or one use.
3396 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3397 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3398 * tree-ssa-reassoc.c (negate_value): Similarly.
3399 (reassociate_bb): Similarly.
3401 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3403 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3404 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3405 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3407 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3409 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3410 fp regs if the last fp arg doesn't fit in regs.
3412 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3415 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3416 that the last insn has the REG_INC note.
3418 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3419 Nathan Sidwell <nathan@codesourcery.com>
3422 * stor-layout.c (update_alignment_for_field): Do not align
3424 (place_union_field): Place union field at the start of the union.
3425 (place_field): Move ERROR_MARK check later, and use the current
3426 allocation position to maintain monotonicity.
3428 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3430 * dominance.c: Include timevar.h.
3431 (calculate_dominance_info): Use TV_DOMINANCE.
3432 * timevar.def (TV_DOMINANCE): New timevar.
3433 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3435 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3437 PR rtl-optimization/14261
3438 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3439 move would be an INSV insn.
3440 (noce_process_if_block): Don't optimize if the destination is a
3441 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3443 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3445 * config/s390/s390.md: Add comments with the instructions emitted
3446 by an insn pattern if macros are used.
3448 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3450 PR rtl-optimization/26026
3451 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3452 is a known power of two shifted left a variable amount.
3454 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3456 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3457 to hash table twice when the debug_str section has SECTION_MERGE.
3459 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3461 * config/soft-fp: New directory. From glibc.
3462 * config/soft-fp/t-softfp: New.
3463 * config/soft-fp/README: New.
3464 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3465 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3466 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3467 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3468 * config.gcc: Use rs6000/t-fprules-fpbit or
3469 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3471 * config/rs6000/sfp-machine.h: New. Based on glibc.
3472 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3474 * config/rs6000/t-fprules: Remove fp-bit rules.
3475 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3476 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3477 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3478 (softfp_wrap_start, softfp_wrap_end): New.
3480 2006-04-18 DJ Delorie <dj@redhat.com>
3482 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3484 2006-04-18 Devang Patel <dpatel@apple.com>
3486 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3488 2006-04-18 Nick Clifton <nickc@redhat.com>
3490 * config/sh/t-symbian: Add rule to build sh-c.o
3491 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3492 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3493 (sh_symbian_encode_section_info): Likewise.
3495 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3497 * builtins.c (expand_builtin_strcmp): Cover label definition of
3498 do_libcall with HAVE_cmpstrnsi.
3500 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3502 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3504 * function.h (temp_slot_p): New.
3505 (function): Change the type of x_used_temp_slots to
3506 VEC(temp_slot_p,gc) *.
3508 2006-04-18 Nick Clifton <nickc@redhat.com>
3510 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3511 flag_strength_reduce.
3513 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3515 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3519 Partial revert of revision 112637
3520 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3521 Dale Johannesen <dalej@apple.com>
3524 * regclass.c (struct reg_pref): Update documentation.
3525 (regclass): Set prefclass to NO_REGS if memory is the best option.
3526 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3528 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3530 PR tree-optimization/26821
3531 * tree-ssa-math-opts.c (get_constant_one): New.
3532 (insert_reciprocals): Use it.
3534 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3536 * dwarf2out.c (free_AT): Delete.
3537 (remove_AT): Update string ref counts.
3538 (remove_child_TAG): Don't call free_die.
3540 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3541 or DW_TAG_GNU_EINCL.
3542 (prune_unused_types_walk_attribs): Reset string refcounts.
3543 (prune_unused_types_update_strings): New.
3544 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3545 call free_die. Do call prune_unused_types_update_strings.
3546 (prune_unused_types): Empty debug_str_hash.
3548 2006-04-17 Roger Sayle <roger@eyesopen.com>
3550 * expr.c (expand_assignment): Optimize away no-op moves where the
3551 source and destination are equal and have no side-effects.
3553 2006-04-17 Richard Guenther <rguenther@suse.de>
3556 * reload.c (push_reload): Guard calls to get_secondary_mem
3559 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3561 * alias.c (reg_base_value, old_reg_base_value): Change the
3562 type to VEC(rtx,gc) *.
3563 (REG_BASE_VALUE, find_base_value, record_set,
3564 init_alias_analysis): Use VEC instead of VARRAY.
3566 * alias.c (alias_sets): Change the type to
3567 VEC(alias_set_entry,gc) *.
3568 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3569 VEC instead of VARRAY.
3570 (last_alias_set): Remove.
3572 * cgraph.h (cgraph_edge_p): New.
3573 Update the prototype of cgraph_function_versioning.
3574 * cgraphunit.c (cgraph_copy_node_for_versioning,
3575 cgraph_function_versioning): Use VEC instead of VARRAY.
3576 * ipa-cp.c (ipcp_insert_stage): Likewise.
3578 2006-04-16 Roger Sayle <roger@eyesopen.com>
3581 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3582 "A op B" or "A op C", we may need to convert A to the type of B and C.
3584 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3586 * target.h (struct gcc_target): Add mode_rep_extended.
3587 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3588 (init_num_sign_bit_copies_in_rep): Initialize it using
3590 (truncate_to_mode): Use it.
3591 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3592 * targhooks.h (default_mode_rep_extended): Declare it.
3593 * targhooks.c (default_mode_rep_extended): Define it.
3594 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3595 default_mode_rep_extended.
3596 (TARGET_INITIALIZER): Include it.
3597 * doc/tm.texi (Misc): Document it.
3598 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3599 (mips_truncated_to_mode): New function.
3601 2006-04-16 Roger Sayle <roger@eyesopen.com>
3604 * expr.c (compress_float_constant): Copy the narrow constant into
3605 a new pseudo before extending it to its final width.
3607 2006-04-16 Roger Sayle <roger@eyesopen.com>
3608 Andrew Pinski <pinskia@gcc.gnu.org>
3609 Dale Johannesen <dalej@apple.com>
3612 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3613 special case code to implement V8HImode and V16QImode with SSE2.
3615 2006-04-15 Roger Sayle <roger@eyesopen.com>
3617 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3618 trees are constructed with a suitable tree type.
3620 2006-04-15 Roger Sayle <roger@eyesopen.com>
3622 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3623 (integer_onep): Likewise.
3624 (integer_all_onesp): Likewise.
3625 (integer_pow2p): Likewise.
3626 (integer_nonzerop): Likewise.
3627 (real_zerop): Likewise.
3628 (real_onep): Likewise.
3629 (real_twop): Likewise.
3630 (real_minus_onep): Likewise.
3631 (int_size_in_bytes): Likewise.
3632 (host_integerp): Likewise.
3634 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3636 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3637 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3638 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3640 * tree-ssa-structalias.h (alias_info): Remove num_references.
3642 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3644 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3645 (output_bvb patterns): Likewise.
3646 * pa.c (output_bb): Use 'bb' insn for long branch case.
3647 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3648 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3649 1. Correct length operand for alternatives 1 and 2.
3650 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3651 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3653 2006-04-14 Roger Sayle <roger@eyesopen.com>
3655 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3656 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3657 were accidentally reverted by r112959.
3659 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3662 * except.h (eh_region_outermost): New prototype.
3663 * except.c (eh_region_outermost): New function.
3664 * tree-cfg.c (find_outermost_region_in_block): Use it.
3666 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3668 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3670 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3671 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3672 (init_reload, reload): Use VEC instead of VARRAY.
3673 * reload.h: Update the prototype for
3674 reg_equiv_memory_loc_varray.
3676 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3677 Eric Botcazou <ebotcazou@libertysurf.fr>
3679 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3682 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3685 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3686 to expand fallback builtin function call.
3688 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3691 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3692 and emit libcall here in case the builtin fails.
3693 (expand_builtin_strcmp): Always emit the libcall here on failure.
3695 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3697 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3698 * flow.c (reg_n_info): Change the type to
3699 VEC(reg_info_p,heap) *.
3700 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3702 * regs.h (reg_info_p): New.
3703 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3704 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3705 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3708 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3710 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3712 * params.h (MAX_SCHED_READY_INSNS): New macro.
3713 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3714 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3715 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3716 the ready list for 1 cycle during the first scheduling pass.
3717 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3719 2006-04-13 Richard Henderson <rth@redhat.com>
3722 * gimple-low.c (lower_omp_directive): Remove dead code.
3723 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3724 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3725 * omp-low.c (struct omp_region): Move to tree-flow.h.
3726 (root_omp_region): Export.
3727 (omp_regions, lookup_omp_region): Remove.
3728 (determine_parallel_type): Update for struct omp_region changes.
3729 (dump_omp_region): Dump regions with block numbers.
3730 (new_omp_region): Take type and block instead of stmt; malloc
3732 (free_omp_region_1, free_omp_regions): New.
3733 (expand_parallel_call): Take entry_stmt as argument; update for
3734 changes to omp_region.
3735 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3736 (remove_exit_barriers): New.
3737 (expand_omp_parallel): Update for struct omp_region changes.
3738 (expand_omp_synch): Likewise.
3739 (expand_omp): Likewise.
3740 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3741 (expand_omp_for_static_chunk): Likewise.
3742 (expand_omp_for): Likewise.
3743 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3744 (expand_omp_sections): Similarly, with GOMP_sections_end.
3745 (expand_omp_single): New.
3746 (build_omp_regions_1): Update for OMP_CONTINUE.
3747 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3748 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3749 OMP_SECTIONS_SECTIONS.
3750 (lower_omp_single_simple): Don't emit barrier here.
3751 (lower_omp_single_copy): Likewise.
3752 (lower_omp_single): Fix bindings, and lower to straightline now.
3753 (lower_omp_master, lower_omp_ordered): Likewise.
3754 (lower_omp_critical): Likewise.
3755 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3756 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3757 omp edges, free it afterward.
3758 (make_omp_sections_edges): Remove.
3759 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3760 (move_stmt_r): Handle OMP_CONTINUE.
3761 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3762 statement pointers to basic blocks. Add type member.
3763 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3764 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3765 * tree-inline.c (estimate_num_insns_1): Likewise.
3766 * tree-pretty-print.c (dump_generic_node): Likewise.
3767 * tree-ssa-operands.c (get_expr_operands): Likewise.
3768 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3769 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3770 (OMP_CONTINUE): New.
3771 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3772 (OMP_SECTIONS_SECTIONS): Remove.
3773 (OMP_SECTION_LAST): New.
3774 (OMP_RETURN_NOWAIT): New.
3776 2006-04-13 Roger Sayle <roger@eyesopen.com>
3778 * fold-const.c (native_encode_vector, native_interpret_real):
3779 Correct obvious mistakes in the previous check-in.
3781 2006-04-13 Roger Sayle <roger@eyesopen.com>
3783 * fold-const.c (native_encode_expr): New function to encode
3784 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3785 or VECTOR_CST into a specified buffer.
3786 (native_encode_int): New function.
3787 (native_encode_real): New function.
3788 (native_encode_complex): New function.
3789 (native_encode_vector): New function.
3790 (native_interpret_expr): Inverse of native_encode_expr to convert
3791 a target representation into an INTEGER_CST, REAL_CST etc...
3792 (native_interpret_int): New function.
3793 (native_interpret_real): New function.
3794 (native_interpret_complex): New function.
3795 (native_interpret_vector): New function.
3796 (fold_view_convert_expr): New function to constant fold/evaluate
3797 a VIEW_CONVERT_EXPR of a suitable constant expression.
3798 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3799 Change call of build1 to fold_build1 when constructing a
3802 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3803 Ulrich Weigand <uweigand@de.ibm.com>
3806 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3809 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3812 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3813 optimize to lo_sum for DFmode if !TARGET_FPRS.
3815 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3817 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3818 delete_alias_info, compute_flow_sensitive_aliasing,
3819 group_aliases): Use VEC instead of VARRAY.
3820 * tree-ssa-structalias.c (update_alias_info): Likewise.
3821 * tree-ssa-structalias.h (alias_info): Change the type of
3822 processed_ptrs to VEC(tree,heap) *.
3824 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3827 * config/sh/lib1funcs.h: New file, broken out of:
3828 * config/sh/lib1funcs.asm.
3829 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3831 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3832 * config/sh/lib1funcs-Os-4-200.asm: New file.
3833 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3834 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3835 (EXTRA_MULTILIB_PARTS): Include it.
3836 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3837 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3838 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3839 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3842 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3844 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3845 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3846 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3848 * tree-ssa-live.h: Include vecprim.h.
3849 (tree_partition_associator_d): Change the type of
3850 first_partition to VEC(int,heap) *.
3851 (tpa_first_partition): Use VEC instead of VARRAY.
3853 * Makefile.in (GTFILES): Move functions.h after tree.h.
3854 * function.c (reset_block_changes, record_block_change,
3855 check_block_change, free_block_changes): Use VEC instead of
3857 * function.h (function): Change the type of
3858 ib_boundaries_block to VEC(tree,gc) *.
3859 * tree-inline.c (copy_cfg_body): Initialize
3860 ib_boundaries_block to NULL instead of (varray_type) 0.
3862 2006-04-12 Roger Sayle <roger@eyesopen.com>
3864 * expr.c (emit_group_store): Correct operand order in call to
3865 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3866 a SUBREG_BYTE of zero.
3868 2006-04-12 Richard Guenther <rguenther@suse.de>
3870 * profile.c (compute_branch_probabilities): Remove code
3871 encapsulated in !ir_type (), which are remanents of the
3872 removed RTL profiling code.
3873 * rtl-profile.c: Remove.
3875 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3877 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3878 magic NULL_RTX comment.
3879 (function_arg): Store entire fp arg to mem if any part should go
3881 (rs6000_arg_partial_bytes): Adjust for above change.
3883 2006-04-11 Roger Sayle <roger@eyesopen.com>
3885 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3886 if it hasn't been initialized by dwarf2out_init.
3888 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3890 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3891 symbolic constants in branch patterns.
3893 2006-04-11 Roger Sayle <roger@eyesopen.com>
3895 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3897 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3899 PR rtl-optimization/27073
3900 * gcse.c (try_replace_reg): Revert last change. Continue to search
3901 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3904 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3906 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3907 aggregate types other than record and union types.
3908 (function_arg): Likewise.
3909 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3911 (function_value): In 64-bit mode, return objects that require it
3914 2006-04-11 Roger Sayle <roger@eyesopen.com>
3916 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3918 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3920 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3922 2006-04-03 Jeff Law <law@redhat.com>
3925 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3926 alias information too.
3928 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3930 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3932 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3935 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3936 (premark_used_types_helper): New.
3937 (premark_used_types): New.
3938 (gen_subprogram_die): Call premark_used_types.
3939 (prune_unused_types_walk): Do not prune perennial dies.
3940 * function.c (used_types_insert): New.
3941 * function.h (struct function): Add used_types_hash field.
3942 (used_types_insert): Add prototype.
3943 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3944 * c-parser.c (c_parser_cast_expression): Save casted types in used
3947 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3950 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3951 rs6000_explicit_options.float_gprs.
3953 2006-04-10 Roger Sayle <roger@eyesopen.com>
3955 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3956 from ix86_expand_vector_init_low_nonzero. Take an additional
3957 one_var argument indicating which element is non-zero. Support
3958 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3959 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3960 with one_var instead of ix86_expand_vector_init_low_nonzero.
3962 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3964 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3965 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3966 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3967 build/genextract.o): Depend on vecprim.h.
3968 * cfglayout.c, df-problems.c, function.c, genextract.c,
3969 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3970 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3974 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3976 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3977 Declare VECs of this type.
3978 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3979 (remove_children): Delete.
3980 (add_dwarf_attr): Use VEC routines.
3981 (add_AT_flag): Update for changes to add_dwarf_attr.
3982 (add_AT_int): Likewise.
3983 (add_AT_unsigned): Likewise.
3984 (add_AT_long_long): Likewise.
3985 (add_AT_vec): Likewise.
3986 (add_AT_string): Likewise.
3987 (add_AT_die_ref): Likewise.
3988 (add_AT_fde_ref): Likewise.
3989 (add_AT_loc): Likewise.
3990 (add_AT_loc_list): Likewise.
3991 (add_AT_addr): Likewise.
3992 (add_AT_lbl_id): Likewise.
3993 (add_AT_lineptr): Likewise.
3994 (add_AT_macptr): Likewise.
3995 (add_AT_offset): Likewise.
3996 (add_AT_range_list): Likewise.
3997 (get_AT): Use VEC_iterate.
3998 (remove_AT): Use VEC_ordered_remove.
3999 (free_die): Fold remove_children into here; have it use VEC_iterate.
4000 (print_die): Use VEC_iterate on attrs.
4001 (reverse_die_lists): Don't reverse attr lists.
4002 (die_checksum): Use VEC_iterate on attrs.
4003 (same_die_p): Likewise.
4004 (output_location_lists): Likewise.
4005 (build_abbrev_table): Likewise.
4006 (size_of_die): Likewise.
4007 (unmark_all_dies): Likewise.
4008 (output_abbrev_section): Likewise.
4009 (output_die): Likewise.
4010 (prune_unused_types_walk_attribs): Likewise.
4012 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4014 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4016 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4019 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4021 2006-04-09 Roger Sayle <roger@eyesopen.com>
4023 * expr.c (store_constructor): Don't bother clearing target if
4024 we're about to assign a vector to it using vec_init_optab.
4026 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4028 * tree-ssa-alias.c (lhs_may_store_to): New function.
4029 (recalculate_used_alone): Handle LHS of calls.
4031 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4035 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4036 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4037 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4038 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4039 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4040 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4041 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4042 stubs. Add ".align 8" directives before all ".dword" directives.
4043 (GTHREAD_USE_WEAK): Revise comment.
4044 (TARGET_ATTRIBUTE_WEAK): Define.
4045 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4046 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4047 * stublib.c: New file.
4052 * pa.md (cbranch patterns): Revise arguments used in calls to
4053 output_cbranch, output_bb and output_bvd. Add long branch length
4055 (fbranch patterns): Handle long branches.
4056 (jump): Revise length check. Revise arguments for output_lbranch call.
4057 Add long branch length attributes.
4058 (decrement_and_branch_until_zero): Add long branch length attributes.
4059 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4060 Likewise. Revise arguments for output_parallel_addb and
4061 output_parallel_movb calls.
4062 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4063 output_parallel_movb and output_parallel_addb): Update prototypes.
4064 * pa.c (output_cbranch): Revise arguments. Correct handling of
4065 nullification in long branches.
4066 (output_lbranch): Add new argument to control extraction of delay
4068 (output_bb): Handle long branches.
4069 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4070 output_parallel_addb): Likewise.
4072 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4074 PR rtl-optimization/27073
4075 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4078 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4080 * tree.h (tree_memory_tag): Add old_used_alone.
4081 (SMT_OLD_USED_ALONE): New macro.
4082 * tree-ssa-alias.c (recalculate_used_alone): Stop
4083 marking things for renaming unnecessarily.
4085 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4087 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4088 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4089 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4090 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4091 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4092 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4093 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4094 spelling convensions.
4095 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4096 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4097 typos. Follow spelling conventions.
4099 2006-04-07 DJ Delorie <dj@redhat.com>
4101 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4102 passed on the stack.
4103 (m32c_init_cumulative_args): When a function returns a structure,
4104 always pass the pointer to that return area on the stack.
4105 (m32c_function_arg_advance): Don't increment the parameter number
4106 if we're processing the returned structure pointer.
4107 (pushm_info): Reverse order of registers.
4109 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4111 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4112 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4113 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4114 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4116 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4117 chrec_fold_multiply): Same.
4118 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4119 force_expr_to_var_cost): Same.
4120 * tree-mudflap.c (mf_xform_derefs_1): Same.
4121 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4123 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4125 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4126 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4129 2006-04-07 Jan Hubicka <jh@suse.cz>
4131 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4133 2006-04-07 Richard Guenther <rguenther@suse.de>
4135 PR tree-optimization/26135
4136 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4137 loads for store copy-prop.
4138 (copy_prop_visit_stmt): Likewise.
4140 2006-04-05 Robert Millan <robertmh@gnu.org>
4142 * config/i386/linux.h: Add a comment to mark macros that are
4143 being overriden in config/k*bsd-gnu.h.
4144 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4146 * config/knetbsd-gnu.h: Ditto.
4148 2006-04-06 Jan Hubicka <jh@suse.cz>
4152 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4155 2006-04-06 Mike Stump <mrs@apple.com>
4157 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4158 for HAVE_nonlocal_goto to be consistent.
4159 (expand_builtin_nonlocal_goto): Likewise.
4160 (expand_builtin_strcmp): Use #ifdef instead of #if
4161 for HAVE_cmpstrnsi to be consistent.
4163 2006-04-05 DJ Delorie <dj@redhat.com>
4165 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4168 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4170 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4171 got-relative addressing for anything but SImode.
4173 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4174 even if the calling function doesn't modify them.
4176 2006-04-05 Richard Guenther <rguenther@suse.de>
4178 PR tree-optimization/26919
4179 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4180 to cgraph_estimate_size_after_inlining.
4182 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4184 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4186 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4188 PR tree-optimization/26996
4189 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4190 VECTOR_TYPE variables.
4192 2006-04-05 Richard Guenther <rguenther@suse.de>
4194 PR tree-optimization/26763
4195 * fold-const.c (fold_comparison): Move folding of
4196 PTR + CST CMP PTR + CST ...
4197 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4199 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4201 * doc/install.texi (Prerequisites): Refine some wording on
4202 bootstrapping and ksh.
4203 Move the version numbers of DejaGnu here from the testing section
4204 and fix casing of names.
4205 Fix markup and clarify wording for autogen requirements.
4206 Refer to GCJ instead of just java.
4207 Refer to SVN instead of CVS.
4208 Describe diffutils as useful instead of necessary.
4209 (Downloading the source): Refer to SVN instead of CVS.
4210 Adjust a link to our web site accordingly.
4211 (Configuration): Fix casing of Bison.
4212 (Building): Refer to SVN instead of CVS.
4213 Fix a sentence on the use of Bison and remove duplicate (and
4214 incorrect) version number of Bison requirement.
4215 Remove one redundant list of packages needed for building.
4216 (Specific): Avoid reference to CVS.
4218 2006-04-04 Eric Christopher <echristo@apple.com>
4220 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4221 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4222 (rs6000_handle_struct_attribute): New.
4223 (rs6000_ms_bitfield_layout_p): Ditto.
4225 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4227 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4228 NULL for dso parameter to atexit_common.
4230 2006-04-04 Eric Christopher <echristo@apple.com>
4232 * config/i386/i386.c (machopic_output_stub): Output \t
4233 between instructions and operands.
4235 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4237 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4238 satisfies_constraint_[IL] to explicit tests on value.
4240 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4242 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4243 set_nb_iterations_in_loop): Use build_int_cst instead of
4245 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4246 build_int_cst instead of convert.
4248 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4250 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4251 new value 2 for incoming.
4252 * function.c (expand_function_start): Call struct_value_rtx
4254 * config/sparc/sparc.md: Comment updated_return.
4255 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4256 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4257 struct return if sparc_std_struct_return and incoming is 2.
4258 (print_operand): Do not adjust return if
4259 sparc_std_struct_return.
4261 2006-04-04 Roger Sayle <roger@eyesopen.com>
4263 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4264 convert in the middle-end.
4265 * expr.c (store_expr, store_constructor, get_inner_reference,
4266 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4268 * tree.c (build_range_type): Likewise.
4270 2006-04-04 Tom Tromey <tromey@redhat.com>
4272 * doc/install.texi (Prerequisites): Mention jar.
4274 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4276 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4279 2006-04-04 Matthias Klose <doko@debian.org>
4281 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4282 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4285 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4287 * doc/extend.texi (Function Attributes): Rewrite visibility
4288 attribute documentation.
4289 * doc/invoke.texi (C++ Dialect Options): Rewrite
4290 -fvisibility-inlines-hidden documentation to describe something
4291 entirely different, although in practise compatible.
4292 (Code Gen Options): Warn about system headers in -fvisibility=
4295 * doc/extend.texi (Other Builtins): Document that
4296 __builtin_nan is a compile-time constant only when its argument
4299 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4301 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4302 trying to remove TRUNCATE check if all bits outside the new mode
4303 are identical to the sign bit.
4305 2006-04-03 Jeff Law <law@redhat.com>
4307 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4308 and operand scanning in some common cases.
4310 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4311 Dale Johannesen <dalej@apple.com>
4314 * regclass.c (struct reg_pref): Update documentation.
4315 (regclass): Set prefclass to NO_REGS if memory is the best option.
4316 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4317 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4318 into account. For non-registers, equate an empty preferred
4319 reload class to a `!' in the constraint; move the if clause to
4320 do so after those that reject the insn.
4321 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4323 (find_dummy_reload): Likewise.
4324 * doc/tm.texi (Register Classes): Document what it means
4325 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4326 * config/i386/i386.c (ix86_preferred_reload_class): Force
4327 using SSE registers (and return NO_REGS for floating-point
4328 constants) if math is done with SSE.
4329 (ix86_preferred_output_reload_class): New.
4330 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4331 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4332 * config/i386/i386.md: Remove # register preferences.
4334 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4337 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4338 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4339 the type of nb_iter.
4340 (instantiate_parameters_1): Convert the operands before calling
4341 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4342 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4344 2006-04-02 Roger Sayle <roger@eyesopen.com>
4346 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4347 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4349 * dojump.c (do_jump): Likewise.
4350 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4351 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4352 gimplify_boolean_expr): Likewise.
4353 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4354 * varasm.c (array_size_for_constructor): Likewise.
4355 * tree-object-size.c (compute_object_offset): Likewise.
4357 2006-04-02 Roger Sayle <roger@eyesopen.com>
4360 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4361 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4363 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4365 PR tree-optimization/26939
4366 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4368 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4370 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4371 at_stmt. Convert the type of operands before calling
4372 build_polynomial_chrec.
4373 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4375 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4376 (instantiate_parameters_1): Convert the type of operands before calling
4377 build_polynomial_chrec.
4378 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4379 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4380 reset_evolution_in_loop): Insert asserts to check the types of the
4382 (chrec_type): Moved...
4383 (eq_evolutions_p): Use operand_equal_p.
4384 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4385 the types of the operands.
4386 (chrec_type): ...here.
4387 * tree-data-ref.c (create_data_ref): Convert the operands before
4388 calling chrec_replace_initial_condition.
4389 (same_access_functions, analyze_subscript_affine_affine,
4390 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4391 (compute_subscript_distance, analyze_ziv_subscript,
4392 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4393 analyze_miv_subscript): Convert the operands before calling
4394 chrec_fold_minus or chrec_fold_plus.
4396 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4398 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4399 the dependence_relations vector.
4400 (compute_data_dependences_for_loop): Adjust call to
4401 compute_all_dependences.
4403 2006-04-01 Roger Sayle <roger@eyesopen.com>
4404 Richard Henderson <rth@redhat.com>
4406 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4407 gimple_boolify on the condition before calling gimplify_expr.
4409 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4411 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4412 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4413 the frame size. Update to use the new macros.
4414 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4415 * config/xtensa/ieee754-df.S: Likewise.
4417 2006-03-31 Richard Henderson <rth@redhat.com>
4419 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4420 (make_edges): ... here. Control fallthru creation with a local
4421 variable. Do not play with fake edges.
4422 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4423 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4426 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4428 * dwarf2.h (DW64_CIE_ID): Define.
4429 * dwarf2out.c (DWARF_CIE_ID): Define.
4430 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4431 length header. Use DWARF_CIE_ID.
4432 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4433 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4435 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4437 * config/sh/linux-atomic.asm: New file.
4438 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4440 2006-03-31 DJ Delorie <dj@redhat.com>
4442 * config/m32c/cond.md: Set condition flags properly throughout.
4443 * config/m32c/minmax.md: Likewise.
4444 * config/m32c/prologue.md: Likewise.
4445 * config/m32c/bitops.md: Likewise.
4446 * config/m32c/muldiv.md: Likewise.
4447 * config/m32c/mov.md: Likewise.
4448 * config/m32c/addsub.md: Likewise.
4449 * config/m32c/m32c.md: Likewise.
4450 * config/m32c/jump.md: Likewise.
4451 * config/m32c/shift.md: Likewise.
4453 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4454 conditionally output the pattern for this.
4455 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4456 (m32c_compare_redundant): New.
4457 (m32c_output_compare): New.
4458 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4460 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4461 dest, not src. Allow other 4-byte modes.
4463 2006-03-30 Denis Chertykov <denisc@overta.ru>
4465 * doc/md.texi: Refer to avr/constraints.md instead of
4468 2006-03-30 Roger Sayle <roger@eyesopen.com>
4470 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4471 signed vs. unsigned comparison failures on some hosts.
4473 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4476 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4477 change to FLOAT_REGS.
4479 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4480 (rs6000_override_options): Use it.
4481 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4482 only for -mabi=spe/no-spe and -mabi=altivec.
4484 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4486 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4489 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4491 * Makefile.in: Rename docdir to gcc_docdir.
4493 2006-03-30 Roger Sayle <roger@eyesopen.com>
4496 * expr.c (emit_group_store): Optimize group stores into a pseudo
4497 register by using a paradoxical subreg to initialize the destination
4498 if the first or last member of the group specifies a "low part".
4500 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4503 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4504 * target.h (struct gcc_target.speculate_insn): Change type of the
4505 second parameter to 'int'.
4506 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4507 the second operand of the DEPS_LIST.
4508 (copy_DEPS_LIST_list): Update reference to the second operand of the
4510 * rtl.h (alloc_DEPS_LIST): Update signature.
4511 * sched-int.h (ds_t): Change typedef to 'int'.
4512 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4514 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4516 * haifa-sched.c (try_ready): Change condition to restore
4517 non-speculative pattern of the instruction.
4518 (process_insn_depend_be_in_spec): Code to keep probability of the
4519 speculative dependence non-decreasing.
4521 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4523 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4524 (single_move_for_movmem): ... this. Also change all uses.
4525 (bfin_expand_strmov): Renamed to...
4526 (bfin_expand_movmem): ... this. Also change all uses.
4527 * config/bfin/bfin.md (movstrsi): Renamed to...
4528 (movstrsi): ...this.
4530 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4532 PR tree-optimization/26830
4534 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4535 (copy_prop_visit_stmt): Remove write-only variable ann.
4536 (init_copy_prop): Check variable loop depth here. Do not simulate
4537 memory-tag and virtual operand PHIs except for store copy prop.
4539 2006-03-30 Richard Guenther <rguenther@suse.de>
4541 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4542 variants with double arguments.
4544 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4546 * genpreds.c (write_tm_constrs_h): Delete variable p.
4547 * genconditions.c (write_header): Add tm-constrs.h to included
4549 * genpeep.c (main): Add toplev.h to included headers.
4550 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4551 (build/genpeep.o): Add toplev.h dependency.
4552 * config/rs6000/constraints.md: Add "W" constraint.
4554 2006-03-29 Roger Sayle <roger@eyesopen.com>
4556 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4557 sizes by correctly testing whether the size fits a host integer.
4558 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4559 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4560 SImode range for the default sizetype and bitsizetype.
4562 2006-03-29 Roger Sayle <roger@eyesopen.com>
4564 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4565 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4566 quickly if the argument is already of the correct type.
4567 Call fold_build1 instead of build1. Tidy up blank lines.
4569 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4571 * genemit.c (main): Add tm-constrs.h to included headers.
4572 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4573 * genpeep.c (main): Add tm-constrs.h to included headers.
4574 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4575 (write_tm_constrs_h): this and write complete file.
4576 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4577 (write_insn_preds_c): Add tm-constrs.h to included headers.
4578 (gen_constrs): New variable.
4579 (parse_option): Parse "-c".
4580 (main): Invoke write_tm_constrs_h.
4581 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4582 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4583 (object_out_file): Add tm-constrs.h dependency.
4584 (insn-emit.o): Same.
4585 (insn-output.o): Same.
4586 (insn-peep.o): Same.
4587 (insn-preds.o): Same.
4588 (insn-recog.o): Same.
4589 (tm-constsr.h): New target.
4590 (s-constrs-h): New target.
4592 * config/rs6000/constraints.md: New file.
4593 * config/rs6000/rs6000.c: Include tm-constrs.h.
4594 (num_insn_constant_wide): Convert to satisfies_constraint.
4595 (rs6000_rtx_costs): Convert to satisfies_constraint.
4596 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4597 (CONST_OK_FOR_LETTER_P): Delete.
4598 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4599 (EXTRA_CONSTRAINT): Delete.
4600 (EXTRA_MEMORY_CONSTRAINT): Delete.
4601 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4602 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4603 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4604 satisfies_constraint.
4606 * config/i386/i386.c: Include tm-constrs.h.
4608 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4610 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4611 * tree-data-ref.c (find_data_references_in_loop,
4612 compute_data_dependences_for_loop): Use pointers to VEC.
4613 (analyze_all_data_dependences): Adjust calls.
4614 * tree-data-ref.h (find_data_references_in_loop,
4615 compute_data_dependences_for_loop): Adjust declarations.
4616 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4617 compute_data_dependences_for_loop.
4619 2006-03-29 Paul Brook <paul@codesourcery.com>
4621 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4624 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4626 PR tree-optimization/26859
4627 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4629 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4630 for the step after fold_convert.
4632 2006-03-29 Paul Brook <paul@codesourcery.com>
4634 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4635 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4637 2006-03-29 Paul Brook <paul@codesourcery.com>
4640 * targhooks.c (default_narrow_bitfield): New fuction.
4641 * targhooks.h (default_narrow_bitfield): add prototype.
4642 * target.h (gcc_target): Add narrow_volatile_bitfield.
4643 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4644 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4645 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4646 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4648 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4650 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4652 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4653 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4654 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4655 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4656 (s390_function_arg_float): Allow SDmode and DDmode values to be
4657 passed in floating point registers.
4658 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4659 check with SCALAR_FLOAT_MODE_P.
4660 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4662 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4664 PR tree-optimization/25985
4665 * tree-ssa-loop-niter.c (number_of_iterations_le,
4666 number_of_iterations_ne): Make comments more precise.
4667 (number_of_iterations_cond): Add only_exit argument. Use the
4668 fact that signed variables do not overflow only when only_exit
4670 (loop_only_exit_p): New.
4671 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4672 number_of_iterations_cond.
4674 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4676 PR tree-optimization/26643
4677 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4680 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4682 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4683 (divsi3_i4_int): Likewise.
4685 2006-03-28 Roger Sayle <roger@eyesopen.com>
4687 * expr.c (emit_group_store): Only create a new pseudo reg if the
4688 quantity it needs to hold isn't already a suitable pseudo.
4690 2006-03-28 Jeff Law <law@redhat.com>
4692 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4693 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4695 2006-03-28 Roger Sayle <roger@eyesopen.com>
4697 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4698 the equivalent ~X & Y, and the symmetry related transformations.
4699 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4700 ~X & Y, and symmetry related transforms.
4702 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4704 Revert my 2006-03-27 patches.
4706 2006-03-28 Roger Sayle <roger@eyesopen.com>
4708 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4709 ~(T1)X, when T1 and T2 are integer types of the same precision
4710 and (T2)X isn't an extension.
4712 2006-03-28 Jeff Law <law@redhat.com>
4714 PR tree-optimization/26796
4715 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4716 need EH edge cleanups rather than purging them immediately.
4717 (eliminate_degenerate_phis): Handle queued EH cleanups.
4719 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4721 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4724 2006-03-27 Roger Sayle <roger@eyesopen.com>
4727 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4728 cast BIT_NOT_EXPR operand to the correct type.
4730 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4732 * tree-loop-linear.c: Don't include varray.h.
4733 (gather_interchange_stats, try_interchange_loops,
4734 linear_transform_loops): Use VEC instead of VARRAY.
4735 * lambda-mat.c: Don't include varray.h.
4736 * tree-chrec.c: Same.
4737 * lambda-trans.c: Same.
4738 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4739 VEC instead of VARRAY.
4740 * tree-vectorizer.h: Idem.
4741 * tree-data-ref.c (dump_data_references,
4742 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4743 initialize_data_dependence_relation, finalize_ddr_dependent,
4744 compute_all_dependences, find_data_references_in_loop,
4745 compute_data_dependences_for_loop, analyze_all_data_dependences,
4746 free_dependence_relation, free_dependence_relations,
4747 free_data_refs): Idem.
4748 * tree-data-ref.h (data_reference_p, subscript_p): New.
4749 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4750 VEC instead of VARRAY.
4751 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4752 (find_data_references_in_loop, compute_data_dependences_for_loop,
4753 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4754 dump_data_dependence_relations, free_dependence_relations,
4755 free_data_refs): Adjust declaration.
4756 (lambda_transform_legal_p): Move declaration here...
4757 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4758 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4759 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4760 vect_analyze_data_refs): Use VEC instead of VARRAY.
4761 * lambda.h (lambda_transform_legal_p): ...from here.
4762 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4763 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4764 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4765 tree-chrec.o): Don't depend on VARRAY_H.
4767 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4769 * rtl.def (Copyright): Update date.
4770 (DEPS_LIST): Change type of the second operand to 'int'.
4771 * target.h (Copyright): Update date.
4772 (struct gcc_target.speculate_insn): Change type of the second parameter
4774 * lists.c (Copyright): Update date.
4775 (alloc_DEPS_LIST): Change signature. Update reference to the second
4776 operand of the DEPS_LIST.
4777 (copy_DEPS_LIST_list): Update reference to the second operand of the
4779 * rtl.h (Copyright): Update date.
4780 (alloc_DEPS_LIST): Update signature.
4781 * sched-int.h (Copyright): Update date.
4782 (ds_t): Change typedef to 'int'.
4783 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4785 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4787 * haifa-sched.c (Copyright): Update date.
4788 (try_ready): Change condition to restore non-speculative pattern
4790 (process_insn_depend_be_in_spec): Code to keep probability of the
4791 speculative dependence non-decreasing.
4793 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4795 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4796 shut up the compiler.
4798 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4800 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4801 to use lib prefix for target.
4802 ($(T)libic_invalidate_array_4-200.a): Likewise.
4803 ($(T)libic_invalidate_array_4a.a): Likewise.
4805 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4806 J"orn Rennecke <joern.rennecke@st.com>
4808 * superh.opt: New file.
4809 * sh.c (boardtype, osruntime): Remove.
4810 * superh.h (SUBTARGET_OPTIONS): Remove.
4811 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4813 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4814 arguments with ^ and/or [].
4816 * config.gcc (sh-*-*): Add quoting to account for quirk of
4818 Replace == with = in enable_incomplete_targets test.
4820 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4821 with MASK_LITTLE_ENDIAN.
4823 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4824 * config/sh/sh.opt: Added to some comments.
4825 * config/sh/superh.h: Removed some chaff.
4827 * config/sh/sh.opt: Add m4-[1234]00* options.
4828 * config/sh/sh.c (sh_handle_option): Likewise.
4829 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4830 (ic_invalidate_array_4-100.o): New rule.
4831 ($(T)libic_invalidate_array_4-100.a): Likewise.
4832 (ic_invalidate_array_4-200.o): Likewise.
4833 ($(T)libic_invalidate_array_4-200.a): Likewise.
4834 (ic_invalidate_array_4a.o): Likewise.
4835 ($(T)libic_invalidate_array_4a.a): Likewise.
4836 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4837 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4839 * config/sh/crt1.asm: Merged in profiling code.
4840 * config/sh/superh.h (STARTFILE_SPEC): Override.
4841 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4842 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4843 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4845 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4846 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4847 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4849 * sh.opt (mpretend-cmove): New option.
4850 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4851 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4852 (movsicc): Add TARGET_PRETEND_CMOVE code.
4854 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4856 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4857 s390_class_max_nregs): New function prototypes.
4858 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4859 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4860 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4861 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4863 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4865 * dwarf2out.c (add_location_or_const_value_attribute): Call
4866 tree_add_const_value_attribute if nothing else works.
4867 (reference_to_unused): New.
4868 (rtl_for_decl_init): Use reference_to_unused to decide whether
4869 to output an initializer.
4871 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4874 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4875 peephole removing spe frob_di_df_2.
4877 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4879 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4880 (subscript_dependence_tester_1): Declared.
4881 (print_dir_vectors, print_dist_vectors): New.
4882 (debug_data_dependence_relation): New.
4883 (dump_data_dependence_relation): Print more details.
4884 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4885 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4886 (save_dist_v, save_dir_v, add_outer_distances,
4887 build_classic_dist_vector_1): New.
4888 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4889 Don't test for lambda_vector_lexico_pos.
4890 (same_access_functions, add_multivariate_self_dist,
4891 add_other_self_distances, dir_from_dist): New.
4892 (build_classic_dir_vector): Replace implementation almost identical to
4893 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4895 (subscript_dependence_tester_1): New.
4896 (subscript_dependence_tester): Handle the lexicographically negative
4897 distance vectors by recomputing the dependence relation.
4898 (compute_affine_dependence): Remove parameter loop_nest_depth.
4899 (compute_self_dependence): Don't call compute_subscript_distance.
4900 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4901 Add a parameter for the loop_nest.
4902 (find_loop_nest_1, find_loop_nest): New.
4903 (compute_data_dependences_for_loop): Compute the loop nest, and give
4904 up if the nest is not well formed.
4905 * tree-data-ref.h (loop_p): New.
4906 (struct data_dependence_relation): Replace size_vect field with
4907 loop_nest, a vec of loops.
4908 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4909 (DDR_LOOP_NEST): New.
4910 (print_dir_vectors, print_dist_vectors,
4911 debug_data_dependence_relation): Declared.
4912 (index_in_loop_nest): New.
4913 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4914 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4917 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4919 * simplify-rtx.c (simplify_relational_operation): Call
4920 simplify_relational_operation_1 even if mode is VOIDmode.
4922 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4924 PR tree-optimization/26804
4925 * tree.h (DECL_CALL_CLOBBERED): New macro.
4926 (tree_decl_common): Add call_clobbered_flag.
4927 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4928 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4929 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4930 (mark_non_addressable): Ditto.
4931 * tree-ssa.c (verify_call_clobbered): New function.
4932 (verify_alias_info): Use it.
4933 * tree-pass.h (pass_reset_cc_flags): New prototype.
4934 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4935 (reset_cc_flags): New function.
4936 * passes.c (init_optimization_passes): Call reset_cc_flags after
4937 initializing referenced_vars.
4939 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4940 Roger Sayle <roger@eyesopen.com>
4943 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4944 to 1.0 for non-real operands. Implement A / A optimization for
4947 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4949 * config/i386/i386.c (size_cost): Correct the comment for
4950 cost of storing fp registers.
4951 (i386_cost): Likewise.
4952 (i486_cost): Likewise.
4953 (pentium_cost): Likewise.
4954 (pentiumpro_cost): Likewise.
4955 (k6_cost): Likewise.
4956 (athlon_cost): Likewise.
4957 (k8_cost): Likewise.
4958 (pentium4_cost): Likewise.
4959 (nocona_cost): Likewise.
4960 (generic64_cost): Likewise.
4961 (generic32_cost): Likewise.
4963 2006-03-24 Denis Chertykov <denisc@overta.ru>
4965 * config/avr/avr-protos.h (extra_constraint): Delete.
4966 (extra_constraint_Q): New declaration.
4967 * config/avr/constraints.md: New file.
4968 * config/avr/avr.md: Include it.
4969 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4970 (TMP_REGNO, ZERO_REGNO): Likewise.
4971 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4972 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4973 (extra_constraint): Delete.
4974 (extra_constraint_Q): Test for memory constraint 'Q'.
4975 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4976 (REG_CLASS_FROM_LETTER): Delete.
4977 (CONST_OK_FOR_LETTER_P): Delete.
4978 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4979 (EXTRA_CONSTRAINT): Delete.
4980 (TMP_REGNO): Delete.
4981 (ZERO_REGNO): Delete.
4983 2006-03-24 Jeff Law <law@redhat.com>
4985 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4986 directly. Call mark_new_vars_to_rename slightly earlier.
4988 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4990 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4992 (gen_compile_unit_die): Use new language types for Objective-C and
4994 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4995 DW_LANG_C_plus_plus.
4998 * config/t-darwin (crt3.o): Work around bug 26840.
4999 * config/darwin-crt3.c: Rewrite.
5000 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5002 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5004 * doc/invoke.texi: Document -femit-class-debug-always
5005 * common.opt: Add -femit-class-debug-always.
5007 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5009 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5010 index and base register.
5011 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5012 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5013 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5014 REGNO_OK_FOR_INDEX_P.
5015 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5017 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5018 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5019 REG_OK_FOR_BASE_P): Definitions removed.
5021 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5024 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5025 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5026 set yet or weren't marked as local yet.
5028 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5030 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5033 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5035 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5036 (rs6000_legitimate_small_data_p): Delete.
5037 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5038 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5039 and make static. Add forward declaration. Update uses.
5040 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5041 of offsettable_memref_p.
5042 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5043 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5045 2006-03-24 Jeff Law <law@redhat.com>
5047 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5048 around bug in immediate-use iterator.
5050 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5053 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5054 or __LITTLE_ENDIAN__.
5056 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5058 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5059 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5060 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5061 * config/sh/sh.opt (mdiv=): Amend description.
5062 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5063 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5064 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5065 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5066 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5067 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5068 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5069 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5070 TARGET_DIVIDE_CALL_FP.
5072 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5074 * haifa-sched.c (choose_ready): Fix type of the local variable.
5075 Move local variables. Add comment.
5076 (check_reg_live): Change signature. Make callable from debugger.
5077 * sched-int.h (check_reg_live): Update signature.
5078 * sched-ebb.c (check_reg_live): Update parameters.
5079 * sched-rgn.c (check_reg_live): Ditto.
5080 (region_head_or_leaf_p): Check pointer before dereferencing.
5081 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5082 before reload on optimization levels below 1.
5084 2006-03-23 Richard Henderson <rth@redhat.com>
5086 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5090 * config/alpha/predicates.md (local_symbolic_operand): Reject
5093 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5096 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5097 expressions which have overflowed constants.
5099 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5101 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5103 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5105 * cfgloopmanip.c (create_loop_notes): Removed.
5106 * final.c (final_scan_insn): Do not handle loop notes.
5107 * jump.c (squeeze_notes): Ditto.
5108 * cfglayout.c (skip_insns_after_block,
5109 duplicate_insn_chain): Ditto.
5110 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5112 * cfgloop.h (create_loop_notes): Declaration removed.
5114 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5116 * varasm.c (output_constant_pool): Restore fnname and fndecl
5118 (assemble_start_function): Adjust call accordingly.
5119 (assemble_end_function): Likewise.
5121 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5124 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5127 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5129 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5132 * system.h (ICE_EXIT_CODE): New macro.
5133 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5134 (diagnostic_action_after_output): Likewise.
5135 * gcc.c (fatal_ice): New function.
5136 (execute): Use it instead of fatal.
5137 (fancy_abort): Likewise.
5138 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5140 2006-03-22 Jeff Law <law@redhat.com>
5142 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5143 iv_analyze_result returning false.
5145 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5147 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5149 2006-03-22 Richard Henderson <rth@redhat.com>
5152 * except.c (duplicate_eh_regions_0): New.
5153 (duplicate_eh_region_1): Duplicate the children of the node as
5154 well as the node itself. Link them up properly.
5155 (duplicate_eh_region_2): Merge into ...
5156 (duplicate_eh_regions): ... here. Take copy_region argument, and
5157 copy only a sub-tree if asked. Simplify copying and fixup.
5158 (eh_region_outer_p): New.
5159 * except.h (duplicate_eh_regions): Update decl.
5160 (eh_region_outer_p): Declare.
5161 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5162 (lower_omp_master): Likewise.
5163 (lower_omp_ordered): Likewise.
5164 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5165 (move_stmt_r): Use it to remap labels. Handle recursion vs
5166 remap_decls_p properly.
5167 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5168 (find_outermost_region_in_block): New.
5169 (new_label_mapper): New.
5170 (move_sese_region_to_fn): Copy eh information to the new function
5172 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5174 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5177 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5179 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5180 into shared libraries.
5182 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5184 * doc/md.texi: Refer to i386/constraints.md instead of
5186 * config/i386/constraints.md: New file, extracted from...
5187 * config/i386/predicates.md: ...here.
5188 * config/i386/i386.md: Include constraints.md.
5190 2006-03-21 Jason Merrill <jason@redhat.com>
5192 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5195 * expr.c (init_block_move_fn): Force default visibility.
5196 (init_block_clear_fn): Likewise.
5197 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5198 * targhooks.c (default_external_stack_protect_fail): Likewise.
5200 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5202 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5203 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5204 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5205 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5206 (loadgp): Use mips_current_loadgp_style.
5207 (loadgp_noshared): New pattern.
5208 (sibcall_internal): Use MIPS_CALL.
5209 (sibcall_value_internal): Likewise.
5210 (sibcall_value_multiple_internal): Likewise.
5211 (call_internal): Likewise.
5212 (call_value_internal): Likewise.
5213 (call_value_multiple_internal): Likewise.
5214 (call_split): Use MIPS_CALL and add an 'S' constraint.
5215 (call_value_split): Likewise.
5216 (call_value_multiple_split): Likewise.
5217 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5218 (-mshared): New option.
5219 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5220 (mips_current_loadgp_style): Declare.
5221 * config/mips/mips.c (mips_classify_symbol): Avoid using
5222 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5223 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5224 TARGET_ABSOLUTE_ABICALLS.
5225 (override_options): Adjust comments. Improve the warning that is
5226 issued when -mabicalls and -G are used together.
5227 (mips_file_start): Remove comment.
5228 (mips_current_loadgp_style): New function.
5229 (mips_gnu_local_gp): New variable.
5230 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5232 (mips_output_function_prologue): Use mips_current_laodgp_style.
5233 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5234 the cprestore instruction.
5235 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5236 live for TARGET_ABSOLUTE_ABICALLS.
5237 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5238 (ASM_SPEC): Pass down -mshared and -mno-shared.
5239 (MIPS_CALL): New macro.
5240 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5242 * doc/invoke.texi (-mabicalls): Update documentation.
5243 (-mshared): Document.
5245 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5247 * config/ia64/unwind-hpux.c: New file.
5248 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5250 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5253 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5255 2006-03-21 Jeff Law <law@redhat.com>
5257 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5258 type conversions of a VR_VARYING source to a wider type.
5260 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5262 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5263 tm_file on Solaris 10 and later.
5264 (sparc64-*-solaris2*): Likewise.
5265 (sparc-*-solaris2*): Likewise.
5266 * config/sol26.h: Rename to config/sol2-6.h.
5267 * config/sol2-10.h: New file.
5269 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5272 * tree-ssa-pre.c (create_component_ref_by_pieces):
5275 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5278 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5279 return it immediately.
5281 2006-03-21 Michael Matz <matz@suse.de>
5283 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5285 (remove_arc, add_arc): Update num_out_arcs member.
5286 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5288 (cache_presence): New function.
5289 (compare_states_for_equiv): New function.
5290 (state_is_differed): Don't take number of outargs, adjust callers.
5291 Use new invariant for speeding up.
5292 (init_equiv_class): Create initial classes based on sorted
5294 (partition_equiv_class): Don't track out_arcs_num.
5295 (evaluate_equiv_classes): Call cache_presence on all states and
5298 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5300 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5301 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5302 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5303 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5305 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5306 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5307 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5308 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5309 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5311 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5312 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5313 (REGNO_REG_CLASS): ARGP is in PREGS.
5314 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5316 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5317 to deal with those addresses.
5318 * addresses.h: New file.
5319 * caller-save.c: Include "addresses.h".
5320 (init_caller_save): Use new base_reg_class function.
5321 * rtl-factoring.c: Include "addresses.h".
5322 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5323 * recog.c: Include "addresses.h".
5324 (preprocess_constraints): Use new base_reg_class function.
5325 * regrename.c: Include "addresses.h".
5326 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5327 functions. Keep track of a new var INDEX_CODE to compute valid
5329 (replace_oldest_value_addr): Likewise.
5330 (replace_oldest_value_mem): Use base_reg_class.
5331 * reload.c: Include "addresses.h".
5332 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5333 (find_reloads): Use new base_reg_class function.
5334 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5335 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5336 all callers and prototype changed.
5337 * reload1.c: Include "addresses.h".
5338 (maybe_fix_stack_asms): Use base_reg_class.
5339 * regclass.c: Include "addresses.h".
5340 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5341 (init_reg_autoinc): Use new base_reg_class function.
5342 (record_reg_classes): Likewise.
5343 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5344 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5345 Use new args to compute necessary class.
5347 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5348 regrename.o, rtl-factoring.o): Update dependencies.
5349 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5350 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5351 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5352 REG_OK_FOR_INDEX_P): Delete documentation.
5354 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5356 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5357 from V7 to V9 for Solaris 7 and above.
5359 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5361 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5362 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5363 argument pointers may not alias any other storage.
5364 * common.opt: Define option -fargument-noalias-anything.
5365 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5366 alias semantics is specified by flag_argument_noalias > 2.
5368 2006-03-20 Jeff Law <law@redhat.com>
5370 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5371 (pass_phi_only_cprop): Declare.
5372 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5374 * tree-ssa-dom.c (degenerate_phi_result): New function.
5375 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5376 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5377 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5378 (eliminate_degenerate_phis): Likewise.
5379 (pass_phi_only_cprop): New pass descriptor.
5380 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5381 support code. Callers updated.
5382 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5383 (store_copy_prop): Likewise.
5384 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5386 2006-03-20 Jason Merrill <jason@redhat.com>
5389 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5390 (push_visibility, pop_visibility): Likewise.
5391 * c-pragma.h: Declare them.
5393 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5395 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5397 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5398 parameter and use get_ebb_head_tail.
5399 (sh_md_init_global): Adjust uses of find_regmode_weight.
5401 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5403 * function.h (struct function) <x_tail_recursion_reentry>:
5404 Rename to x_stack_check_probe_note.
5405 (tail_recursion_reentry): Rename to stack_check_probe_note.
5406 * function.c: Replace tail_recursion_reentry with
5407 stack_check_probe_note everywhere.
5408 (expand_function_start): Only emit a note for
5409 stack_check_probe_note with -fstack-protect.
5410 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5412 * emit-rtl.c (remove_unnecessary_notes): Remove.
5413 (pass_remove_unnecessary_notes): Remove.
5414 * rtl.h (remove_unnecessary_notes): Remove prototype.
5415 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5416 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5417 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5419 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5422 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5423 (valid_in_set): Handle ARRAY_REF.
5424 Change "if min_variant or VH" to asserts.
5425 (create_component_ref_by_pieces): Handle ARRAY_REF.
5426 (create_expression_by_pieces): Likewise.
5427 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5429 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5431 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5432 is operand of switch, not str[0].
5434 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5436 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5437 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5439 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5441 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5442 end of insn_extra_address_constraint declaration.
5444 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5446 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5447 (no-sum-in-toc): Same.
5448 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5450 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5451 NO_FP_IN_TOC for -fPIC instead of mask.
5453 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5454 (BOOT_LDFLAGS): Delete.
5456 * config/rs6000/t-aix52: Same.
5458 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5459 (stmsi[345678]_power): New.
5461 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5463 * config/ia64/ia64.opt: Add empty line to end of file.
5465 2006-03-17 Richard Guenther <rguenther@suse.de>
5468 * builtins.c (get_pointer_alignment): For component style references
5469 adjust alignment to the component type alignment. Make sure
5470 to adjust alignment for component access of constants.
5472 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5474 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5477 2006-03-17 Paul Brook <paul@codesourcery.com>
5479 * doc/install.texi: Docuemnt --with-mode.
5480 * config.gcc: Add --with-mode for arm*-*-*.
5481 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5483 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5485 * sh.c (max_labelno_before_reorg): New variable.
5486 (sh_reorg): Initialize it.
5487 (find_barrier): Check max_labelno_before_reorg before using
5488 label_to_alignment. Take length of explicit alignment insns
5489 into account. When seeing a UNSPECV_CONST_END, return it.
5491 * sh.c (fixup_mova): Set mode of affected label to QImode.
5492 (untangle_mova): New function.
5493 (find_barrier): Use it. Check mode of label before decrementing
5495 (sh_reorg): Likewise.
5496 Set mode of all insns back to VOIDmode.
5498 * sh.c (MOVA_LABELREF): New macro.
5499 (mova_p, fixup_mova, sh_reorg): Use it.
5500 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5501 ADDR_DIFF_VEC matches mova.
5503 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5505 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5506 with ATTRIBUTE_UNUSED.
5508 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5510 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5511 pointer, instead of assuming it is possible to derive the
5512 correct args size from a call insn.
5514 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5516 * rtl.h (CONST_INT_P): Define.
5517 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5518 instead of GET_CODE(x) == CONST_INT.
5519 (vax_rtx_costs): Likewise.
5520 (vax_output_int_move): Likewise.
5521 (vax_output_int_add): Likewise.
5522 (legitimate_constant_address_p): Likewise.
5523 (index_term_p): Likewise.
5524 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5525 * config/vax/vax.md (and<mode>3): Likewise.
5526 (ashrsi3): Likewise.
5528 (movstricthi): Likewise.
5529 (movstrictqi): Likewise.
5530 (rotrsi3): Likewise.
5531 (five unnamed insns): Likewise.
5533 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5535 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5536 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5537 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5538 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5539 Pass to ASM_OUTPUT_DWARF_OFFSET.
5540 * dwarf2out.c (debug_frame_section): New.
5541 (output_call_frame_info): Use debug_frame_section. Pass it to
5542 dw2_asm_output_offset.
5543 (output_die): Pass appropriate section to dw2_asm_output_offset.
5544 (output_compilation_unit_header): Likewise.
5545 (output_pubnames): Likewise.
5546 (output_aranges): Likewise.
5547 (enum dw_val_class): Break dw_val_class_lbl_offset into
5548 dw_val_class_lineptr and dw_val_class_macptr.
5549 (add_AT_lbl_offset): Delete.
5550 (add_AT_lineptr): New.
5551 (add_AT_macptr): New.
5552 (AT_lbl): Expect a lineptr or macptr.
5553 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5554 (attr_checksum): Likewise.
5555 (same_dw_val_p): Likewise.
5556 (size_of_die): Likewise.
5557 (value_format): Likewise.
5558 (output_die): Likewise.
5559 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5561 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5562 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5563 * config/darwin-protos.h (darwin_file_start): New.
5564 (darwin_asm_output_dwarf_offset): New.
5565 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5566 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5568 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5569 if not EH section; simplify.
5570 (darwin_file_start): New.
5571 (darwin_asm_output_dwarf_offset): New.
5572 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5574 (DEBUG_INFO_SECTION): Likewise.
5575 (DEBUG_ABBREV_SECTION): Likewise.
5576 (DEBUG_ARANGES_SECTION): Likewise.
5577 (DEBUG_MACINFO_SECTION): Likewise.
5578 (DEBUG_LINE_SECTION): Likewise.
5579 (DEBUG_LOC_SECTION): Likewise.
5580 (DEBUG_PUBNAMES_SECTION): Likewise.
5581 (DEBUG_STR_SECTION): Likewise.
5582 (DEBUG_RANGES_SECTION): Likewise.
5583 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5584 (ASM_OUTPUT_DWARF_OFFSET): New.
5586 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5588 * config.gcc (tm_defines): Always add to previous value rather
5591 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5593 * config/mips/predicates.md (splittable_const_int_operand): New,
5594 split from move_operand.
5595 (splittable_symbolic_operand): New.
5596 (move_operand): Add commentary. Use splittable_const_int_operand.
5597 Inline mips_atomic_symbolic_constant_p.
5598 * config/mips/mips.md: Add combine splitters for handling moves
5599 of splittable_const_int_operands and splittable_symbolic_operands.
5600 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5601 (mips_split_symbol): Declare.
5602 (mips_move_integer): Declare.
5603 * config/mips/mips.c (mips_split_p): Make global.
5604 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5605 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5606 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5607 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5608 (mips_offset_within_object_p): Handle block symbols.
5609 (mips_atomic_symbolic_constant_p): Delete.
5610 (mips_cannot_force_const_mem): Return false for constants that
5611 mips_legitimize_move can handle.
5612 (mips_use_blocks_for_constant_p): New function.
5613 (mips_split_symbol): Make global.
5614 (mips_move_integer): Likewise. Add a temporary register argument.
5615 (mips_legitimize_const_move): Use splittable_const_int_operand and
5616 splittable_symbolic_operand.
5617 (mips_use_anchors_for_symbol_p): New function.
5618 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5619 (mips_split_p): Declare.
5621 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5623 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5624 (mips*-*-linux*): Likewise.
5626 2006-03-16 Roger Sayle <roger@eyesopen.com>
5627 Daniel Speyer <dspeyer@wam.umd.edu>
5630 * tree-dump.c (dump_real): New function.
5631 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5632 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5633 (tree-dump.o): Add $(REAL_H) to the dependencies.
5635 2006-03-16 Roger Sayle <roger@eyesopen.com>
5638 * real.c (real_from_string): If the mantissa is zero, don't bother
5639 parsing the exponent as the result should always be zero.
5641 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5643 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5645 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5647 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5648 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5649 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5650 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5651 ia64_sched_finish_global): New static functions to implement
5652 hooks from gcc_target.sched.
5653 (spec_check_no, max_uid, pending_data_specs): New static variables.
5654 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5655 ia64_spec_check_src_p): New static functions.
5656 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5657 (TARGET_SCHED_ADJUST_COST): Removed.
5658 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5659 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5660 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5661 TARGET_SCHED_GEN_CHECK,
5662 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5663 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5664 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5665 Fixed to handle speculation checks.
5666 (rtx_needs_barrier): Fixed to handle speculative loads and
5668 (ia64_variable_issue): Added code to count speculative loads and their
5670 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5672 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5674 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5676 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5677 (ia64_reorg): Reset stops_p to NULL after it is freed.
5678 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5679 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5680 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5682 (data_speculative, control_speculative, check_load): New attributes.
5683 (mov<mode>_advanced, mov<mode>_speculative,
5684 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5685 zero_extend<mode>di2_speculative,
5686 zero_extend<mode>di2_speculative_advanced): New patterns for
5687 data and control speculative loads.
5688 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5690 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5691 New pattern for data and control speculation checks.
5692 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5693 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5694 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5695 Auxiliary definitions for the patterns.
5696 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5697 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5699 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5701 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5702 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5703 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5704 New resource constraints.
5705 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5707 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5708 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5709 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5710 msched-in-control-spec, msched-ldc, msched-control-ldc,
5711 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5712 msched-prefer-non-control-spec-insns,
5713 msched-count-spec-in-critical-path): New flags to tune speculative
5715 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5716 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5717 msched-in-control-spec, msched-ldc, msched-control-ldc,
5718 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5719 msched-prefer-non-control-spec-insns,
5720 msched-count-spec-in-critical-path): Document new flags.
5722 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5724 * target.h (struct spec_info_def): New opaque declaration.
5725 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5726 speculate_insn, needs_block_p, gen_check,
5727 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5728 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5729 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5730 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5731 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5732 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5734 (TARGET_SCHED): Use new macros.
5735 * rtl.h (copy_DEPS_LIST_list): New prototype.
5736 * sched-int.h (struct sched_info): Change signature of new_ready field,
5737 adjust all initializations. New fields: add_remove_insn,
5738 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5739 region_head_or_leaf_p.
5740 (struct spec_info_def): New structure declaration.
5741 (spec_info_t): New typedef.
5742 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5743 recovery_block, orig_pat.
5744 (glat_start, glat_end): New variables declaraions.
5745 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5747 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5748 DETACH_LIFE_INFO, USE_GLAT.
5749 (enum SPEC_SCHED_FLAGS): New enumeration.
5750 (NOTE_NOTE_BB_P): New macro.
5751 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5752 attach_life_info, debug_spec_status, check_reg_live): New functions.
5753 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5754 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5756 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5757 * ddg.c (get_block_head_tail): Adjust all uses.
5758 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5759 (sms_sched_info): Initialize new fields.
5760 (contributes_to_priority): Removed.
5761 * haifa-sched.c (params.h): New include.
5762 (get_block_head_tail): Adjust all uses.
5763 (ISSUE_POINTS): New macro.
5764 (glat_start, glat_end): New global variables.
5765 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5766 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5767 old_last_basic_block, before_recovery, current_sched_info_var,
5768 rgn_n_insns, luid): New static variables.
5769 (insn_cost1): New function. Move logic from insn_cost to here.
5770 (find_insn_reg_weight1): New function. Move logic from
5771 find_insn_reg_weight to here.
5772 (reemit_notes, move_insn, max_issue): Change signature.
5773 (move_insn1): Removed.
5774 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5775 extend_bb): New static functions to support extension of scheduler's
5777 (generate_recovery_code, process_insn_depend_be_in_spec,
5778 begin_speculative_block, add_to_speculative_block,
5779 init_before_recovery, create_recovery_block, create_check_block_twin,
5780 fix_recovery_deps): New static functions to support
5781 generation of recovery code.
5782 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5783 restore_bb_notes, move_block_after_check, move_succs): New static
5784 functions to support ebb scheduling.
5785 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5786 functions to support handling of register live information.
5787 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5788 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5789 add_jump_dependencies): New static functions.
5790 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5791 consistancy checking.
5792 (debug_spec_status): New function to call from debugger.
5793 (priority): Added code to handle speculation checks.
5794 (rank_for_schedule): Added code to distinguish speculative instructions.
5795 (schedule_insn): Added code to handle speculation checks.
5796 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5797 Fixed to handle ebbs.
5798 (move_insn): Added code to handle ebb scheduling.
5799 (max_issue): Added code to use ISSUE_POINTS of instructions.
5800 (choose_ready): Added code to choose between speculative and
5801 non-speculative instructions.
5802 (schedule_block): Added code to handle ebb scheduling and scheduling of
5803 speculative instructions.
5804 (sched_init): Initialize new variables.
5805 (sched_finish): Free new variables. Print statistics.
5806 (try_ready): Added code to handle speculative instructions.
5807 * lists.c (copy_DEPS_LIST_list): New function.
5808 * sched-deps.c (extend_dependency_caches): New function. Move logic
5809 from create_dependency_caches to here.
5810 (get_dep_weak, ds_merge): Make global.
5811 * genattr.c (main): Code to output prototype for
5812 dfa_clear_single_insn_cache.
5813 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5814 (output_dfa_clean_insn_cache_func): Code to output
5815 dfa_clear_single_insn_cache function.
5816 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5818 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5820 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5821 New static variables.
5822 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5823 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5825 (ebb_sched_info): Initialize new fields.
5826 (get_block_head_tail): Adjust all uses.
5827 (compute_jump_reg_dependencies): Fixed to use glat_start.
5828 (schedule_ebb): Code to remove unreachable last block.
5829 (schedule_ebbs): Added code to update register live information.
5830 * sched-rgn.c (region_sched_info): Initialize new fields.
5831 (get_block_head_tail): Adjust all uses.
5832 (last_was_jump): Removed. Adjust users.
5833 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5834 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5835 Implement new hooks.
5836 (check_dead_notes1): New static function.
5837 (struct region): New fields: dont_calc_deps, has_real_ebb.
5838 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5839 (BB_TO_BLOCK): Fixed to handle EBBs.
5840 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5841 (ebb_head): New static variable.
5842 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5843 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5845 (compute_dom_prob_ps): New assertion.
5846 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5847 global_live_at_start.
5848 (init_ready_list): New assertions.
5849 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5850 (new_ready): Add support for BEGIN_CONTROL speculation.
5851 (schedule_insns): Fixed code that updates register live information
5853 (schedule_region): Fixed to handle EBBs.
5854 (init_regions): Use extend_regions and check_dead_notes1.
5855 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5856 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5857 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5858 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5859 TARGET_SCHED_GEN_CHECK,
5860 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5861 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5862 * doc/invoke.texi (max-sched-insn-conflict-delay,
5863 sched-spec-prob-cutoff): Document.
5865 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5867 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5868 inter_tick, queue_index.
5869 (struct sched_info): Change signature of init_ready_list field.
5870 Adjust all initializations.
5871 (RESOLVED_DEPS): New access macro.
5872 (ready_add): Remove prototype.
5873 (try_ready): Add prototype.
5874 * sched-rgn.c (init_ready_list): Use try_ready.
5875 (schedule_region): Initialize
5876 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5877 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5878 (init_ready_list): Use try_ready.
5879 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5880 * lists.c (remove_list_elem): Remove `static'.
5881 (remove_free_INSN_LIST_elem): New function.
5882 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5883 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5884 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5886 (readyp): New variable.
5887 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5888 change_queue_index, resolve_dep): New static functions.
5889 (try_ready): New function. Adjust callers in sched-rgn.c and
5890 sched-ebb.c to use it instead of ready_add.
5891 (clock_var): Move at the begining of file.
5892 (rank_for_schedule): Fix typo.
5893 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5894 (ready_lastpos): Enforce assertion.
5895 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5897 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5898 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5899 (queue_to_ready): Use free_INSN_LIST_list.
5900 (early_queue_to_ready): Fix typo.
5901 (schedule_block): Init readyp. Move init_ready_list call after the
5902 initialization of clock_var. Fix error in rejecting insn by
5903 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5904 that previously corrected INSN_TICKs. Add code for handling
5906 (set_priorities): Fix typo.
5907 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5908 Clarify comment and code that keeps current_sched_info->next_tail
5911 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5913 * sched-rgn.c (extend_rgns): New static function.
5914 (find_rgns): Use it.
5915 (gather_region_statistics, print_region_statistics): New static
5917 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5918 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5920 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5921 Andrey Belevantsev <abel@ispras.ru>
5923 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5924 * lists.c (unused_deps_list): New variable.
5925 (free_list): Add assertions to verify the proper distinguishing
5926 between INSN_LISTs and DEPS_LISTs.
5927 (find_list_elem, remove_list_elem, remove_list_node): New static
5929 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5930 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5931 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5932 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5934 (free_INSN_LIST_node): Likewise.
5935 * modulo-sched.c (current_sched_info): Initialize flags field.
5936 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5937 * rtl.def (DEPS_LIST): Define.
5938 * rtl.h: Declare new functions from lists.c.
5939 * sched-deps.c (spec_dependency_cache): New static variable.
5940 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5941 (add_dependence): Change return type to void. Move the logic to ...
5942 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5943 (delete_all_dependences): Add comment about forward_dependency_cache.
5944 Handle spec_dependency_cache. Handle DEPS_LISTs.
5945 (fixup_sched_groups): Clarify the change of priority of output
5946 and anti dependencies.
5947 (sched_analyze_2): Adjust add_dependence calls to create data
5948 speculative dependence.
5949 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5950 Adjust all callers. Handle DEPS_LISTS.
5951 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5952 presence of speculation.
5953 (init_dependency_caches, free_dependency_caches):
5954 Handle spec_dependency_cache.
5955 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5956 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5957 New static functions.
5958 (add_or_update_back_dep, add_or_update_back_forw_dep,
5959 add_back_forw_dep, delete_back_forw_dep): New functions.
5960 * sched-int.h (ds_t, dw_t): New typedefs.
5961 (struct sched_info): Add new field flags.
5962 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5963 Prototype new sched-deps.c functions.
5964 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5965 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5966 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5967 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5968 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5969 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5971 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5973 * sched-rgn.c (current_sched_info): Initialize flags field.
5974 (schedule_insns): Initialize current_sched_info before the sched_init
5976 * sched-ebb.c (current_sched_info): Initialize flags field.
5977 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5978 Call add_or_update_back_dep instead of add_dependence.
5979 Create control speculative dependencies.
5980 (schedule_insns): Initialize current_sched_info before the sched_init
5983 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5985 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5987 (sh_fallback_frame_state): Likewise.
5989 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5991 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5992 Do switch on default_use_cxa_atexit.
5993 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5994 * config/darwin-crt3.o: New.
5995 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5996 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5997 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5999 * config/rs6000/t-darwin: Move crt2.o building to here.
6000 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6001 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6004 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6006 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6007 from '! xxx' to '!xxx' for coding-style conformance.
6008 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6009 (EXTRA_CONSTRAINT): Likewise.
6010 * config/vax/vax.md (four unnamed insns): Likewise.
6012 2006-03-15 Paul Brook <paul@codesourcery.com>
6014 * config/arm/arm.c (minipool_pad): New.
6015 (add_minipool_forward_ref): Include pool alignment padding in address
6017 (push_minipool_fix): Set minipool_pad.
6018 (minipool_pad): Ditto.
6020 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6022 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6023 instead of GET_CODE() == MEM and REG_P() instead of
6025 (print_operand_address): Likewise.
6026 (vax_address_cost): Likewise.
6027 (vax_rtx_costs): Likewise.
6028 (vax_notice_update_cc): Likewise.
6029 (vax_output_int_add): Likewise.
6030 (INDEX_REGISTER_P): Likewise.
6031 (BASE_REGISTER_P): Likewise.
6032 (nonindexed_address_p): Likewise.
6033 (vax_mode_dependent_address_p): Likewise.
6034 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6035 (PRINT_OPERAND): Likewise.
6036 * config/vax/vax.md (ashlsi3): Likewise.
6037 (ashlsi3): Likewise.
6038 (some more unnamed insns): Likewise.
6040 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6042 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6043 iterator-style macro.
6044 (mark_control_dependent_edges_necessary): Update the use of
6045 EXECUTE_IF_CONTROL_DEPENDENT.
6047 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6049 * config/sh/predicates.md (cache_address_operand): Special.
6050 (ua_address_operand): Likewise.
6052 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6054 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6056 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6058 2006-03-15 Andreas Schwab <schwab@suse.de>
6060 * gensupport.c (identify_predicable_attribute): Don't free p_false
6061 when it is still in use.
6063 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6065 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6066 the default setting here.
6068 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6070 * tree-pass.h (pass_cfg): Remove.
6071 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6072 * passes.c (pass_cfg): Don't run it.
6074 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6076 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6077 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6079 (stack_regs_mentioned): Update the uses of
6080 stack_regs_mentioned_data. Don't access the array beyond its
6082 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6083 Don't include gt-reg-stack.h.
6085 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6086 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6088 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6091 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6094 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6096 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6098 2006-03-14 Richard Guenther <rguenther@suse.de>
6100 PR tree-optimization/26672
6101 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6104 2006-03-14 Richard Guenther <rguenther@suse.de>
6106 PR tree-optimization/26667
6107 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6108 node for the callees. Always allow inlining if it will shrink
6111 2006-03-14 Richard Guenther <rguenther@suse.de>
6114 * builtins.c (get_pointer_alignment): Prefer alignment
6115 information from decls over that from types.
6117 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6120 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6122 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6124 * config/rs6000/rs6000.opt (mdlmzb): New option.
6125 (msched-prolog, msched-epilog): Use Var not Mask.
6126 * doc/invoke.texi (-mdlmzb): Document.
6127 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6129 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6130 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6132 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6134 PR rtl-optimization/25739
6135 * bt-load.c (augment_live_range): Free tos pointer.
6137 * gensupport.c (identify_predicable_attribute): Free
6139 * gcov.c (create_file_names): Free name pointer.
6141 2006-03-13 Roger Sayle <roger@eyesopen.com>
6144 * stmt.c (emit_case_nodes): Handle the case where the index is a
6145 CONST_INT, where the comparison mode is specified by the index type.
6147 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6149 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6152 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6154 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6155 (*branch_fp_inverted): Likewise.
6157 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6160 * omp-low.c (expand_omp_for_generic): Mark istart0
6161 and iend0 as addressable.
6163 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6165 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6167 2006-03-13 Jeff Law <law@redhat.com>
6169 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6170 virtual operands are interesting.
6171 (vrp_visit_stmt): Corresponding changes.
6173 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6175 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6177 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6178 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6179 * config/bfin/crti.S: Use it instead of __PIC__.
6180 * config/bfin/crtn.S: Likewise.
6182 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6183 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6185 Lose 'G' modifier for call operand.
6186 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6187 recognize 'G' modifier.
6189 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6192 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6193 * stmt.c (expand_case): Likewise.
6195 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6197 PR rtl-optimization/26254
6198 * loop-invariant.c (seq_insns_valid_p): New function.
6199 (move_invariant_reg): Only emit new code if it is valid.
6201 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6203 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6205 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6206 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6207 (commit_one_edge_insertion): Do not look for loop notes.
6209 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6211 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6212 flag_test_coverage out of loop.
6214 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6216 * final.c (shorten_branches): Remove outdated comment, and turn
6217 the if branch that guards it to continue.
6219 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6221 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6222 * cfgloop.h (struct loop): Remove unused fields.
6224 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6226 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6227 (-dL, -fdump-rtl-loop2): Update the dump file names
6229 * doc/invoke.texi: Update dump file names.
6231 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6233 * predict.c (estimate_probability): Remove.
6234 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6235 * basic-block.h (estimate_probability): Remove prototype.
6236 * passes.c (finish_optimization_passes): Dump branch prediction or
6237 profiling heuristics to the .profile tree dump.
6238 (init_optimization_passes): Unqueue pass_branch_prob.
6240 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6242 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6244 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6245 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6247 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6249 * function.h (frame_offset_overflow): Declare.
6250 * function.c (frame_offset_overflow): New function.
6251 (assign_stack_local_1): Call it to detect that the offset overflows.
6252 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6254 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6256 * config/sh/sh.c: Include alloc-pool.h.
6257 (label_ref_list_pool): New alloc pool.
6258 (label_ref_list_t): New type for lists of labels.
6259 (struct pool_node): Make wend a label_ref_list_t.
6260 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6262 (dump_table): Likewise.
6263 (sh_reorg): Set up the alloc pool before using add_constant and
6264 dump_table, and destroy it when finishing.
6266 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6268 * config/mips/mips.c: Remove redundant comment.
6270 2006-03-10 Jason Merrill <jason@redhat.com>
6273 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6274 the target was declared 'register'.
6276 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6278 * genpreds.c (write_insn_constraint_len): Change definition of
6279 insn_constraint_len to return size_t to match the declaration.
6281 2006-03-10 DJ Delorie <dj@redhat.com>
6283 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6285 (m32c_expand_insv): Fix test for an AND mask.
6287 2006-03-10 Richard Guenther <rguenther@suse.de>
6290 * builtins.c (get_pointer_alignment): Handle component
6291 references for field alignment.
6293 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6295 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6296 when building with libgloss.
6297 (sh*elf): Implement --without-fp option.
6298 (sh64-superh-linux*): Don't multilib.
6300 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6302 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6304 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6306 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6307 Set it when one of the replacement functions returned true.
6308 Return TODO_cleanup_cfg if cfgchanged is true.
6309 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6311 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6313 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6314 instead of gen_lowpart.
6316 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6318 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6320 (mips_output_order_conditional_branch): Declare.
6321 * config/mips/mips.h (MIPS_BRANCH): New macro.
6322 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6323 for the comparison. Use gen_condjump.
6324 (mips_output_conditional_branch): Rework interface to take the
6325 asm templates for a direct branch and the inverse of a direct branch.
6326 (mips_output_order_conditional_branch): New function.
6327 (mips_builtin_branch_and_move): New function.
6328 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6329 branch condition. Use gen_single_cc as the condition for
6330 __builtin_mips_upper_* or __builtin_mips_lower_*.
6331 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6332 Use VOIDmode for the branch condition.
6333 * config/mips/predicates.md (order_operator): New predicate.
6334 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6335 (branch_fp): Rename to...
6336 (*branch_fp): ...this. Remove mode from comparison operator.
6337 Use new mips_output_conditional_branch interface.
6338 (branch_fp_inverted): Rename to...
6339 (*branch_fp_inverted): ...this and update as for *branch_fp.
6340 (*branch_zero<mode>): Rename to...
6341 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6342 Use mips_output_order_conditional_branch. Only accept ordered
6344 (*branch_zero<mode>_inverted): Rename to...
6345 (*branch_order<mode>_inverted): ...this and update as for
6346 *branch_order<mode>.
6347 (*branch_equality<mode>): Accept zero as the second operand to
6348 the equality operator. Use the new mips_output_conditional_branch
6350 (*branch_equality<mode>_inverted): Likewise.
6351 (condjump): New expander.
6352 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6354 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6355 (bc1any2t, bc1any2f): Likewise.
6356 (single_cc): New expander.
6357 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6359 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6361 * doc/md.texi: Update documentation of MIPS constraints.
6362 * config/mips/constraints.md: New file.
6363 * config/mips/mips.md: Include it.
6364 * config/mips/mips.c (mips_char_to_class): Delete.
6365 (override_options): Don't initialize mips_char_to_class.
6366 * config/mips/mips.h (mips_char_to_class): Delete.
6367 (REG_CLASS_FROM_LETTER): Delete.
6368 (CONST_OK_FOR_LETTER_P): Delete.
6369 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6370 (EXTRA_CONSTRAINT_Y): Delete.
6371 (EXTRA_CONSTRAINT_STR): Delete.
6372 (CONSTRAINT_LEN): Delete.
6373 (EXTRA_MEMORY_CONSTRAINT): Delete.
6375 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6377 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6378 original fn's eh regions.
6380 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6382 * fold-const.c (build_range_check): Make sure to use a valid type to
6383 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6386 (range_predecessor): New static function.
6387 (range_successor): Likewise.
6388 (merge_ranges): Use them to compute predecessors and successors of
6391 2006-03-09 Roger Sayle <roger@eyesopen.com>
6394 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6395 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6397 2006-03-08 DJ Delorie <dj@redhat.com>
6399 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6400 (addpsi3): Expand to include memory operands. Remove
6401 reload-specific splits.
6402 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6403 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6404 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6405 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6406 (shift1_qi, shift1_hi, insv): New.
6407 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6408 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6409 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6411 * config/m32c/m32c-protos.h: Update as needed.
6412 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6413 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6414 Fail for unrecognized R* constraints.
6415 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6416 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6417 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6419 (m32c_init_libfuncs): New.
6420 (m32c_legitimate_address_p): Add debug wrapper.
6421 (m32c_rtx_costs): New.
6422 (m32c_address_cost): New.
6423 (conversions): Add 'B' prefix.
6424 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6425 operands, or word regnames for QI operands. 'B' prints bit
6427 (m32c_expand_setmemhi): New.
6428 (m32c_expand_movmemhi): New.
6429 (m32c_expand_movstr): New.
6430 (m32c_expand_cmpstr): New.
6431 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6432 (m32c_expand_neg_mulpsi3): Handle non-ints.
6433 (m32c_cmp_flg_0): New.
6434 (m32c_expand_movcc): New.
6435 (m32c_expand_insv): New.
6436 (m32c_scc_pattern): New.
6437 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6438 a0/a1 out of SIregs.
6439 (STORE_FLAG_VALUE): New.
6440 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6443 * config/m32c/mov.md: Make constraints more liberal.
6444 (zero_extendqihi2): Optimize r0/r1 case.
6445 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6446 * config/m32c/predicates.md (m32c_any_operand): New.
6447 (m32c_nonimmediate_operand): New.
6448 (m32c_hl_operand): New.
6449 (m32c_r3_operand): New.
6452 (memsym_operand): New.
6453 (memimmed_operand): New.
6454 (a_qi_operand): New.
6455 (m32c_eqne_operator): New.
6456 (m32c_1bit8_operand): New.
6457 (m32c_1bit16_operand): New.
6458 (m32c_1mask8_operand): New.
6459 (m32c_1mask16_operand): New.
6460 * config/m32c/blkmov.md: New file.
6461 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6463 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6465 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6466 unsigned to fix signed/unsigned comparison issue in
6467 DWARF2_FRAME_REG_OUT.
6468 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6469 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6471 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6472 of ptr into the ENABLE_CHECKING section.
6474 2006-03-08 Jeff Law <law@redhat.com>
6476 * tree-vrp.c (infer_value_range): Only count pointer uses
6477 and dereferences if -fdelete-null-pointer-checks is enabled.
6479 * tree-vrp.c (find_assert_locations): Infer value ranges for
6480 single use pointers, but do not create ASSERT_EXPRs for them.
6481 When a non-null range is inferred for a pointer, backwards
6482 propagate that range to other equivalent pointers through the
6485 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6488 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6489 language hook targets.
6490 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6491 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6492 if language hook targets were missing.
6494 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6496 * tree-ssa-opfinalize.h: Removed.
6497 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6499 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6500 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6501 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6502 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6503 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6504 finalize_ssa_v_must_def_ops): New.
6506 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6508 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6511 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6513 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6515 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6516 addresses with offsets; reorganize.
6518 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6519 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6520 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6522 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6525 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6527 2006-03-08 Ben Elliston <bje@au.ibm.com>
6529 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6531 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6534 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6537 2006-03-07 Richard Guenther <rguenther@suse.de>
6539 PR tree-optimization/26587
6540 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6542 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6544 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6546 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6548 * hooks.c (hook_bool_mode_rtx_true): New function.
6549 * hooks.h (hook_bool_mode_rtx_true): Declare.
6550 * toplev.c (compile_file): Call output_shared_constant_pool.
6551 * varasm.c (shared_constant_pool): New variable.
6552 (assemble_start_function, assemble_end_function): Remove arguments
6553 from call to output_constant_pool.
6554 (create_constant_pool): New function, split out from...
6555 (init_varasm_status): ...here.
6556 (force_const_mem): Choose between the shared and per-function constant
6557 pools. Set current_function_uses_const_pool when reusing old entries
6558 as well as when creating new ones.
6559 (mark_constant): Ignore data argument.
6560 (mark_constants): Remove pool argument.
6561 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6562 to decide whether the function uses a constant pool.
6563 (output_constant_pool_contents): New function, split out from...
6564 (output_constant_pool): ...here.
6565 (output_shared_constant_pool): New function.
6566 (init_varasm_once): Initialize shared_constant_pool.
6567 * output.h (output_constant_pool): Delete.
6568 (output_shared_constant_pool): Declare.
6569 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6570 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6572 2006-03-06 Nick Clifton <nickc@redhat.com>
6574 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6575 flag_strength_reduce.
6577 2006-03-06 Ben Elliston <bje@au.ibm.com>
6579 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6580 x86_64-*-linux* configurations.
6582 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6583 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6585 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6587 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6589 * basic-block.h: Remove the extern for
6590 rediscover_loops_after_threading.
6592 * cfgloop.c (cancel_loop): Make it static.
6593 * cfgloop.h: Remove the prototype for cancel_loop.
6595 * flow.c (recompute_reg_usage): Make it static.
6596 * rtl.h: Remove the prototype for recompute_reg_usage.
6598 * function.c (use_return_register): Make it static.
6599 * function.h: Remove the prototype.
6601 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6603 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6605 * recog.h: Remove the prototype for
6606 validate_change_maybe_volatile.
6608 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6610 * rtlanal.c (replace_reg): Remove.
6611 * rtl.h: Remove the prototype for replace_reg.
6613 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6615 * regclass.c (reg_scan_update): Remove.
6616 (reg_scan_mark_refs): Remove the last argument.
6617 * rtl.h: Remove the prototype for reg_scan_update.
6619 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6621 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6622 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6623 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6624 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6625 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6626 loop-invariant.c, omp-low.c, opts.c, passes.c,
6627 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6628 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6629 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6630 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6631 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6632 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6634 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6636 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6637 * dwarf2out.h: Remove the prototype for
6638 dwarf2out_add_library_unit_info.
6640 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6642 * tree.c (add_var_to_bind_expr): Remove.
6643 * tree.h: Remove the prototype for add_var_to_bind_expr.
6645 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6647 * regclass.c (n_non_fixed_regs): Remove.
6648 (init_reg_sets_1, globalize_reg): Remove all uses of
6650 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6652 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6654 * rtlanal.c (insns_safe_to_move_p): Remove.
6655 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6657 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6659 * expmed.c (expand_mult_add): Remove.
6660 * expr.h: Remove the prototype for expand_mult_add.
6662 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6664 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6665 and REG_SAVED_VAL_EXP constants.
6666 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6667 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6668 Handle regs stored by value.
6669 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6670 (execute_cfa_program): Handle DW_CFA_val_offset,
6671 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6672 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6673 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6674 (uw_install_context_1): Handle target regs stored by value.
6676 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6678 * tree-sra.c (tree_sra): Return todoflags;
6679 (generate_one_element): Set TODO_update_smt_usage if needed.
6680 (pass_sra): Remove TODO_update_smt_usage.
6681 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6683 (tree_ssa_forward_propagate_single_use_vars): Return
6684 TODO_update_smt_usage if we need to update SMT usage.
6685 (pass_forwprop): Remove TODO_update_smt_usage.
6687 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6689 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6690 (correct_use_link): Remove reference to get_stmt_operands.
6691 (update_stmt_operands): Likewise.
6692 (get_modify_expr_operands): New function factored out of
6693 parse_ssa_operands and get_expr_operands.
6694 Try to create V_MUST_DEFs for LHS by default.
6695 (get_expr_operands) <case MODIFY_EXPR>: Call
6696 get_modify_expr_operands.
6697 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6698 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6699 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6700 get_modify_expr_operands.
6702 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6704 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6705 * tree-flow.h: Remove the prototype for
6706 referenced_var_lookup_if_exists.
6708 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6710 PR rtl-optimization/26345
6712 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6714 2006-03-03 Roger Sayle <roger@eyesopen.com>
6716 PR tree-optimization/26524
6717 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6718 fold_convert to create a constant of the appropriate type.
6720 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6722 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6723 SYMBOL_REF_IN_BLOCK_P.
6724 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6725 of SYMBOL_FLAG_IN_BLOCK.
6726 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6727 instead of SYMBOL_REF_IN_BLOCK_P.
6728 * explow.c (use_anchored_address): Likewise.
6729 * rtl.c (rtx_size): Likewise.
6730 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6731 instead of SYMBOL_FLAG_IN_BLOCK.
6732 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6733 SYMBOL_REF_IN_BLOCK_P.
6734 (assemble_variable): Likewise.
6735 (output_constant_def_contents): Likewise.
6736 (output_constant_pool): Likewise.
6737 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6738 instead of SYMBOL_FLAG_IN_BLOCK.
6739 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6740 SYMBOL_REF_IN_BLOCK_P.
6741 (SYMBOL_REF_BLOCK): Likewise.
6742 (SYMBOL_REF_OFFSET): Likewise.
6743 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6744 SYMBOL_REF_IN_BLOCK_P.
6745 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6746 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6747 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6748 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6750 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6752 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6754 2006-03-02 Roger Sayle <roger@eyesopen.com>
6756 * simplify-rtx.c (simplify_unary_operation): When simplifying
6757 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6758 that we perform the right shift in the appropriate mode, and
6759 then extend or truncate the result to requested mode.
6761 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6763 * gengtype.c (main): Handle double_int type.
6764 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6765 * double-int.c: New file.
6766 * double-int.h: New file.
6767 * system.h: Include doubleint.h.
6768 * Makefile.in (SYSTEM_H): Include double-int.h.
6769 (double-int.o): Add.
6771 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6774 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6777 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6779 * tree-vrp.c (remove_range_assertions): Do not update statements
6782 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6784 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6786 * gcse.c (rest_of_handle_gcse): Ditto.
6787 * except.c (gate_handle_eh): Ditto.
6788 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6789 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6791 2006-03-02 Eric Christopher <echristo@apple.com>
6793 * config/i386/i386.c (machopic_output_stub): Add indirection to
6796 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6800 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6802 Sun Niagara specific optimizations.
6803 * config.gcc: Recognize niagara as target.
6804 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6805 (TARGET_CPU_niagara): Define.
6806 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6807 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6808 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6809 (ASM_CPU_SPEC): Likewise.
6810 (PROCESSOR_NIAGARA): New enum entry.
6811 (REGISTER_MOVE_COST): Handle Niagara.
6812 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6813 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6814 (sparc_override_options): Recognize "niagara", set appropriate
6815 default MASK_* values for it, and align functions to 32-bytes
6816 by default just like ULTRASPARC/ULTRASPARC3.
6817 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6818 (sparc64_initialize_trampoline): Likewise.
6819 (sparc_use_sched_lookahead): Use zero for niagara.
6820 (sparc_issue_rate): Use one for niagara.
6821 * config/sparc/niagara.md: New file.
6822 * config/sparc/sparc.md: Include it.
6823 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6824 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6825 when default cpu is niagara.
6826 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6827 (ASM_CPU_SPEC): Likewise.
6828 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6829 when default cpu is niagara.
6830 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6831 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6832 just like v9/ultrasparc/ultrasparc3.
6833 * doc/invoke.texi: Add documentation for "niagara" and improve
6834 existing documentation for ultrasparc variants.
6836 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6838 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6840 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6842 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6843 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6844 and say that only one is needed.
6845 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6846 * target.h (have_switchable_bss_sections): New hook.
6847 * explow.c (use_anchored_address): Check that the symbol is in a block.
6848 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6849 (bss_noswitch_section): New variables.
6850 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6851 (get_noswitch_section): New function.
6852 (get_block_for_section): Allow SECT to be null.
6853 (unlikely_text_section_p): Use SECTION_STYLE.
6854 (bss_initializer_p): New function.
6855 (get_variable_section): Move earlier in file. Take a new argument,
6856 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6857 Return one of the new *_sections in such cases.
6858 (get_block_for_decl): New function, extracting some logic from
6859 use_blocks_for_decl_p.
6860 (change_symbol_section): Remove in favor of...
6861 (change_symbol_block): ...this new function.
6862 (use_blocks_for_decl_p): Remove checks now performed by
6864 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6865 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6866 (emit_local, emit_bss, emit_common): ...these new functions.
6867 Return true if the alignment was honored.
6868 (emit_tls_common): New function.
6869 (asm_emit_uninitialised): Delete.
6870 (assemble_variable_noswitch): New function, split out from...
6871 (assemble_variable): ...here. Don't make decisions about common
6872 variables here. Globalize all public decls that go into non-common
6873 sections. Check whether SYMBOL_REF_BLOCK is null.
6874 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6875 (output_constant_pool): Likewise.
6876 (init_varasm_once): Initialize the new section variables.
6877 (have_global_bss_p): New function.
6878 (categorize_decl_for_section): Use bss_initializer_p.
6879 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6880 (place_block_symbol): Assert that the symbol must be in a block.
6881 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6882 (TARGET_INITIALIZER): Include it.
6883 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6884 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6885 (SECTION_MACH_DEP): Bump by two.
6886 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6887 (unnamed_section): Mention SECTION_UNNAMED in comment.
6888 (named_section): Likewise SECTION_NAMED.
6889 (noswitch_section_callback): New type.
6890 (noswitch_section): New structure.
6891 (section): Add a noswitch_section alternative.
6892 (SECTION_STYLE): New macro.
6893 (tls_comm_section, comm_section, lcomm_section): Declare.
6894 (bss_noswitch_section, have_global_bss_p): Declare.
6895 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6896 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6898 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6899 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6902 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6904 * tree-vrp.c (execute_vrp): Return value.
6905 * regrename.c (rest_of_handle_regrename): Ditto.
6906 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6907 * tree-complex.c (tree_lower_complex): Ditto.
6908 (tree_lower_complex_O0): Ditto.
6909 * tracer.c (rest_of_handle_tracer): Ditto.
6910 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6911 * postreload.c (rest_of_handle_postreload): Ditto.
6912 * tree-tailcall.c (execute_tail_recursion): Ditto.
6913 (execute_tail_calls): Ditto.
6914 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6915 * tree.h (init_function_for_compilation): Ditto.
6916 * ipa-cp.c (ipcp_driver): Ditto.
6917 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6918 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6919 * final.c (compute_alignments): Ditto.
6920 (rest_of_handle_final): Ditto.
6921 (rest_of_handle_shorten_branches): Ditto.
6922 (rest_of_clean_state): Ditto.
6923 * omp-low.c (execute_expand_omp): Ditto.
6924 (execute_lower_omp): Ditto.
6925 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6926 * ipa-reference.c (static_execute): Ditto.
6927 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6928 * reorg.c (rest_of_handle_delay_slots): Ditto.
6929 (rest_of_handle_machine_reorg): Ditto.
6930 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6931 * flow.c (recompute_reg_usage): Ditto.
6932 (rest_of_handle_remove_death_notes): Ditto.
6933 (rest_of_handle_life): Ditto.
6934 (rest_of_handle_flow2): Ditto.
6935 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6936 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6937 (do_ssa_store_ccp): Ditto.
6938 (execute_fold_all_builtins): Ditto.
6939 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6940 * modulo-sched.c (rest_of_handle_sms): Ditto.
6941 * ipa-pure-const.c (static_execute): Ditto.
6942 * cse.c (rest_of_handle_cse): Ditto.
6943 (rest_of_handle_cse2): Ditto.
6944 * web.c (rest_of_handle_web): Ditto.
6945 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6946 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6947 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6948 * tree-nrv.c (tree_nrv): Ditto.
6949 (execute_return_slot_opt): Ditto.
6950 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6951 (create_structure_vars): Ditto.
6952 * loop-init.c (rtl_loop_init): Ditto.
6953 (rtl_loop_done): Ditto.
6954 (rtl_move_loop_invariants): Ditto.
6955 (rtl_unswitch): Ditto.
6956 (rtl_unroll_and_peel_loops): Ditto.
6957 (rtl_doloop): Ditto.
6958 * gimple-low.c (lower_function_body): Ditto.
6959 (mark_used_blocks): Ditto.
6960 * tree-ssa-sink.c (execute_sink_code): Ditto.
6961 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6962 (cgraph_early_inlining): Ditto.
6963 * global.c (rest_of_handle_global_alloc): Ditto.
6964 * jump.c (cleanup_barriers): Ditto.
6965 (purge_line_number_notes): Ditto.
6966 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6967 (rest_of_handle_if_after_reload): Ditto.
6968 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6969 (tree_ssa_loop_im): Ditto.
6970 (tree_ssa_loop_unswitch): Ditto.
6971 (tree_vectorize): Ditto.
6972 (tree_linear_transform): Ditto.
6973 (tree_ssa_loop_ivcanon): Ditto.
6974 (tree_ssa_empty_loop): Ditto.
6975 (tree_ssa_loop_bounds): Ditto.
6976 (tree_complete_unroll): Ditto.
6977 (tree_ssa_loop_prefetch): Ditto.
6978 (tree_ssa_loop_ivopts): Ditto.
6979 (tree_ssa_loop_done): Ditto.
6980 * predict.c (tree_estimate_probability): Ditto.
6981 * recog.c (split_all_insns_noflow): Ditto.
6982 (rest_of_handle_peephole2): Ditto.
6983 (rest_of_handle_split_all_insns): Ditto.
6984 * tree-eh.c (lower_eh_constructs): Ditto.
6985 * regmove.c (rest_of_handle_regmove): Ditto.
6986 (rest_of_handle_stack_adjustments): Ditto.
6987 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6988 * function.c (instantiate_virtual_regs): Ditto.
6989 (init_function_for_compilation): Ditto.
6990 (rest_of_handle_check_leaf_regs): Ditto.
6991 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6992 (rest_of_handle_gcse): Ditto.
6993 * ipa-type-escape.c (type_escape_execute): Ditto.
6994 * alias.c (rest_of_handle_cfg): Ditto.
6995 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6996 * profile.c (rest_of_handle_branch_prob): Ditto.
6997 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6998 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6999 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7000 * tree-dfa.c (find_referenced_vars): Ditto.
7001 * except.c (set_nothrow_function_flags): Ditto.
7002 (convert_to_eh_region_ranges): Ditto.
7003 (rest_of_handle_eh): Ditto.
7004 * emit-rtl.c (unshare_all_rtl): Ditto.
7005 (remove_unnecessary_notes): Ditto.
7006 * except.h (set_nothrow_function_flags): Ditto.
7007 (convert_to_eh_region_ranges): Ditto.
7008 * cfgexpand.c (tree_expand_cfg): Ditto.
7009 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7010 * tree-ssa-pre.c (do_pre): Ditto.
7011 (execute_fre): Ditto.
7012 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7013 (rest_of_handle_jump2): Ditto.
7014 * tree-sra.c (tree_sra): Ditto.
7015 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7016 (execute_mudflap_function_decls): Ditto.
7017 * tree-ssa-copy.c (do_copy_prop): Ditto.
7018 (do_store_copy_prop): Ditto.
7019 * ipa-prop.h (ipcp_driver): Ditto.
7020 * cfglayout.c (insn_locators_initialize): Ditto.
7021 * tree-ssa-forwprop.c
7022 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7023 * cfglayout.h (insn_locators_initialize): Ditto.
7024 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7025 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7026 (execute_late_warn_uninitialized): Ditto.
7027 * rtl.h (cleanup_barriers): Ditto.
7028 (split_all_insns_noflow): Ditto.
7029 (purge_line_number_notes): Ditto.
7030 (unshare_all_rtl): Ditto.
7031 (remove_unnecessary_notes): Ditto.
7032 (recompute_reg_usage): Ditto.
7033 (variable_tracking_main): Ditto.
7034 * integrate.c (emit_initial_value_sets): Ditto.
7035 * integrate.h (emit_initial_value_sets): Ditto.
7036 * tree-optimize.c (execute_free_datastructures): Ditto
7037 (execute_free_cfg_annotations): Ditto.
7038 (execute_fixup_cfg): Ditto.
7039 (execute_cleanup_cfg_pre_ipa): Ditto.
7040 (execute_cleanup_cfg_post_optimizing): Ditto.
7041 (execute_init_datastructures): Ditto.
7042 * tree-object-size.c (compute_object_sizes): Ditto.
7043 * combine.c (rest_of_handle_combine): Ditto.
7044 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7045 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7046 (rest_of_handle_reorder_blocks): Ditto.
7047 (rest_of_handle_partition_blocks): Ditto.
7048 * var-tracking.c (variable_tracking_main): Ditto.
7049 * tree-profile.c (tree_profiling): Ditto.
7050 * tree-vect-generic.c (expand_vector_operations): Ditto.
7051 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7052 * sched-rgn.c (rest_of_handle_sched): Ditto.
7053 (rest_of_handle_sched2): Ditto.
7054 * basic-block.h (free_bb_insn): Ditto.
7055 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7056 * tree-cfg.c (execute_build_cfg): Ditto.
7057 (remove_useless_stmts): Ditto.
7058 (split_critical_edges): Ditto.
7059 (execute_warn_function_return): Ditto.
7060 (execute_warn_function_noreturn): Ditto.
7061 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7062 * cfgrtl.c (free_bb_for_insn): Ditto.
7063 * passes.c (execute_one_pass): Run additional
7064 todos returned by execute function.
7065 * tree-pass.h (struct tree_opt_pass): Make execute
7068 2006-03-02 Richard Guenther <rguenther@suse.de>
7070 * tree-ssa-alias.c (find_used_portions): Consider taking
7071 the address as making the variable not write-only.
7073 2006-03-02 Nick Clifton <nickc@redhat.com>
7075 * config.gcc (default_use_cxa_atexit): Extend the description of
7076 this configure variable. Set its default value to "yes" for
7077 Linux, NetBSD and ELF targets on the assumption that they will
7078 use C libraries with the __cxa_atexit function.
7080 2006-03-02 Ben Elliston <bje@au.ibm.com>
7082 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7083 parameter as unused to suppress a build warning.
7085 2006-03-02 Ben Elliston <bje@au.ibm.com>
7087 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7090 2006-03-01 Roger Sayle <roger@eyesopen.com>
7093 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7094 declared name, the weak reference name, and the typeof name.
7095 (__gthrw): Avoid expanding the declared name suffix.
7096 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7098 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7100 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7102 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7103 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7104 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7105 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7106 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7107 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7108 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7109 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7110 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7111 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7112 (DW_END_default, DW_END_big, DW_END_little): New.
7113 (DW_END_lo_user, DW_END_hi_user): Define.
7114 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7115 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7116 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7119 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7121 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7123 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7125 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7127 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7129 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7130 to 'symbol_mem_tag'.
7132 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7135 2006-03-01 Roger Sayle <roger@eyesopen.com>
7137 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7139 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7142 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7143 MACHO_DYNAMIC_NO_PIC_P.
7144 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7146 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7149 * config/darwin-protos.h (darwin_asm_output_anchor):
7151 * config/darwin-sections.def (cstring_section):
7152 Add SECTION_MERGE to the flags.
7153 (literal4_section): Likewise.
7154 (literal8_section): Likewise.
7155 (objc_selector_refs_section): Likewise.
7156 (objc_cls_refs_section): Likewise.
7157 * config/darwin.c (darwin_asm_output_anchor): New
7159 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7161 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7163 Fix PR tree-optimization/26443
7164 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7165 to todo and PROP_tmt_usage to properties_destroyed.
7166 * tree-ssa-ccp.c (pass_ccp): Ditto.
7167 (pass_store_ccp): Ditto.
7168 * tree-ssa-dom.c (pass_dominator): Ditto.
7170 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7172 * tree-ssa-operands.c: Cleanup whitespace.
7173 (get_asm_expr_operands): Move before first invocation.
7174 (get_indirect_ref_operands): Likewise.
7175 (get_tmr_operands): Likewise.
7176 (get_call_expr_operands): Likewise.
7177 (append_def): Likewise.
7178 (append_use): Likewise.
7179 (append_v_may_def): Likewise.
7180 (append_v_must_def): Likewise.
7181 (add_call_clobber_ops): Likewise.
7182 (add_call_read_ops): Likewise.
7183 (add_stmt_operand): Likewise.
7184 (add_virtual_operand): Likewise.
7185 (build_ssa_operands): Likewise.
7187 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7192 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7193 with a call expr to ...
7194 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7196 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7198 * tree-vrp.c (extract_range_from_assert): Remove special
7199 handling for types with super-types.
7201 2006-03-01 Ben Elliston <bje@au.ibm.com>
7203 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7204 and powerpc64-*-linux* configurations.
7205 * config/t-dfprules: New file.
7207 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7208 Compile dfp-bit.c from the source directory using -DWIDTH and
7209 $DFP_CFLAGS to control the compilation of that file, rather than
7210 generating width-specific versions in the build directory.
7211 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7212 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7214 2006-02-28 Zack Weinberg <zackw@panix.com>
7216 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7219 2006-02-28 Eric Christopher <echristo@apple.com>
7221 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7222 Set up IN_LIBGCC definition of TARGET_64BIT.
7223 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7225 2006-02-28 Roger Sayle <roger@eyesopen.com>
7228 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7229 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7230 cases via the construction of "expr != 0".
7232 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7234 * alias.c (alias_invariant, alias_invariant_size): Remove.
7235 (record_base_value): Remove.
7236 (memrefs_conflict_p): Don't look at alias_invariant.
7237 (end_alias_analysis): Don't free it.
7238 * alias.h (record_base_value): Remove prototype.
7240 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7241 Adam Nemet <anemet@caviumnetworks.com>
7243 * rtl.h (truncated_to_mode): Declare it.
7244 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7245 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7246 (RTL_HOOKS_INITIALIZER): Include it.
7247 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7248 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7249 reg_truncated_to_mode.
7250 * rtlanal.c (truncated_to_mode): Define it.
7251 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7253 2006-02-28 Jeff Law <law@redhat.com>
7255 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7256 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7257 the range allowed by TYPE_PRECISION.
7259 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7261 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7263 PR tree-optimization/26419
7264 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7267 2006-02-27 Zack Weinberg <zackw@panix.com>
7269 * doc/md.texi: Fix typo in previous change.
7271 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7275 2006-02-27 Zack Weinberg <zackw@panix.com>
7277 * rtl.def (define_constraint, define_register_constraint)
7278 (define_memory_constraint, define_address_constraint): New MD forms.
7279 * gensupport.c (process_rtx): Put define_constraint etc on the
7281 * genpreds.c (process_define_predicate): Adjust comment. Validate
7282 the name, and call validate_exp to validate the expression.
7283 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7284 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7285 all callers changed.
7286 (validate_exp, needs_variable, struct constraint_data)
7287 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7288 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7289 (const_dbl_constraints, constraint_max_namelen)
7290 (have_register_constraints, have_memory_constraints)
7291 (have_address_constraints, have_address_constraints)
7292 (have_extra_constraints, have_const_int_constraints)
7293 (have_const_dbl_constraints, mangle, add_constraint)
7294 (process_define_constraint, process_define_register_constraint)
7295 (write_enum_constraint_num, write_lookup_constraint)
7296 (write_insn_constraint_len, write_regclass_for_constraint)
7297 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7298 (write_insn_extra_memory_constraint)
7299 (write_insn_extra_address_constraint)
7300 (write_satisfies_constraint_fns): New.
7301 (write_tm_preds_h): If we have new-style constraint definitions,
7302 prototype the functions generated from them, and define the
7303 old constraint interface (still used by generic code) in terms of
7305 (write_insn_preds_c): If we have new-style constraint definitions,
7306 generate all relevant functions from those definitions.
7307 (main): Handle define_constraint etc.
7308 * genoutput.c (struct constraint_data, indep_constraints)
7309 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7310 (mdep_constraint_len): New data structures and functions, defined
7311 #ifdef USE_MD_CONSTRAINTS.
7312 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7313 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7314 use new logic to validate operand constraints against constraint
7316 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7318 * defaults.h: If none of the old-style constraint macros are
7319 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7320 old-style macros; and poison REG_CLASS_FROM_LETTER,
7321 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7323 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7324 * doc/md.texi: Document new constraint-definition mechanism and the
7325 C interface it provides. Remove references to old mechanism
7326 elsewhere in the document.
7327 (Machine Constraints): Use pathnames relative to gcc directory,
7328 i.e. config/ARCH/FILE. Change i386 section to refer to
7329 config/i386/predicates.md; update that section to match docstrings.
7330 * doc/tm.texi: Move all documentation of the old constraint-
7331 definition macros to their own section, clearly mark as obsolete.
7333 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7334 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7336 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7337 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7338 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7340 (splits and peepholes): Use satisfies_constraint_*.
7341 * config/i386/i386.c (memory_address_length)
7342 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7344 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7346 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7347 scalar operation to be put back into the loop.
7349 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7352 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7353 (extract_cie_info): Handle S flag in augmentation string.
7354 (execute_cfa_program): If context->signal_frame, execute also
7355 fs->pc == context->ra instructions.
7356 (uw_frame_state_for): If context->signal_frame, don't subtract one
7357 from context->ra to find FDE.
7358 (uw_update_context_1): Set context->signal_frame to
7360 (_Unwind_GetIPInfo): New function.
7361 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7362 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7364 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7365 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7366 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7367 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7368 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7369 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7370 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7371 x86_64_fallback_frame_state): Set fs->signal_frame.
7372 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7373 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7374 (frob_update_context): Likewise. Workaround missing S flag in
7375 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7376 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7377 Remove the psw_addr + 1 hack.
7379 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7381 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7382 with aggregates here.
7383 (find_func_aliases): Remove code for &<aggregate> from here.
7385 2006-02-26 Roger Sayle <roger@eyesopen.com>
7387 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7388 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7389 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7392 2006-02-26 Roger Sayle <roger@eyesopen.com>
7395 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7397 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7399 * opts.c (decode_options): Do not handle flag_strength_reduce.
7400 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7401 and OPT_fstrength_reduce.
7402 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7403 flag_prefetch_loop_arrays for being nonzero.
7404 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7406 (fprefetch-loop-arrays-rtl): Removed.
7407 (flag_prefetch_loop_arrays): Do not specify the value.
7409 * doc/passes.texi: Update documentation of loop optimizer
7411 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7412 -frerun-loop-opt): Remove.
7414 2006-02-26 Richard Guenther <rguenther@suse.de>
7416 PR tree-optimization/26421
7417 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7418 in function calls that are ADDR_EXPRs as using the whole structure.
7420 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7422 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7423 * tree-pass.h (pass_loop_optimize): Remove.
7424 * passes.c (pass_loop_optimize): Never run it.
7425 * toplev.c (backend_init): Don't call init_loop.
7426 * opts.c (flag_loop_optimize_set): Remove.
7427 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7428 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7429 the old RTL loop optimizer when profiling enabled.
7430 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7431 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7432 pre-headers for the sake of the old RTL loop optimizer.
7433 * Makefile.in: Remove all references to loop.o.
7435 * doc/invoke.texi: Remove all references to -floop-optimize
7436 and -frerun-loop-opt.
7438 2006-02-26 Zack Weinberg <zackw@panix.com>
7440 * doc/md.texi (Machine Constraints): Refer to all files with paths
7441 relative to gcc directory (i.e. config/CPU/file). Add missing
7442 @table @code ... @end table to M32C subsection.
7444 2006-02-26 Roger Sayle <roger@eyesopen.com>
7446 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7448 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7450 2006-02-26 Roger Sayle <roger@eyesopen.com>
7451 James A. Morrison <phython@gcc.gnu.org>
7454 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7455 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7456 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7457 signedness of the shift operation.
7459 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7461 PR tree-optimization/26359
7462 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7464 2006-02-25 Roger Sayle <roger@eyesopen.com>
7466 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7467 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7468 as X == 0, and some symmetry related transformations.
7469 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7471 2006-02-25 Roger Sayle <roger@eyesopen.com>
7474 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7475 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7476 symmetry related transformations. Fold (X^C1) == C2 as
7479 2006-02-25 Juergen Weigert <jw@suse.de>
7480 Richard Guenther <rguenther@suse.de>
7482 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7484 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7486 * combine.c (gen_lowpart_or_truncate): Call
7487 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7489 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7491 * doc/invoke.texi: Move -fopenmp description to "Options for
7493 Remove reference to -lgomp.
7495 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7497 * doc/install.texi: Require GNU tar version 1.14.
7499 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7501 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7502 * doc/invoke.texi (C++ Dialect Options): Document
7503 -fno-use-cxa-get-exception-ptr.
7504 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7505 * configure: Regenerate.
7506 * c.opt (fuse-cxa-get-exception-ptr): New.
7507 * c-opts.c (c_common_handle_option): Handle
7508 OPT_fuse_cxa_get_exception_ptr.
7509 * c-common.c (flag_use_cxa_atexit): Update documentation.
7510 (flag_use_cxa_get_exception_ptr): New.
7511 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7512 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7514 (C_COMMON_OVERRIDE_OPTIONS): New.
7516 2006-02-24 Roger Sayle <roger@eyesopen.com>
7519 * combine.c (try_combine): Explicitly check whether GET_CODE is
7520 a SET or a CLOBBER, instead on checking that it isn't a USE.
7522 2006-02-24 Roger Sayle <roger@eyesopen.com>
7524 * fold-const.c (fold_comparison): New subroutine of fold_binary
7525 containing transformations common to both the equality and
7526 ordering relational operators, factored out of fold_binary.
7527 (fold_binary): Separate out the equality operators (EQ_EXPR
7528 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7529 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7530 transformations common to both.
7531 (fold_div_compare): Fix latent bugs in the previously unreachable
7532 LT_EXPR and GE_EXPR cases.
7534 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7536 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7537 decl libname for clog to __clog on AIX.
7539 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7541 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7544 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7545 output traceback table for thunks. Localise rs6000_stack_info call.
7547 2006-02-23 Roger Sayle <roger@eyesopen.com>
7548 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7550 * gthr-posix.h (__gthrw): Fix typo in comment.
7552 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7554 * doc/cpp.texi (Character sets): Document that we do support
7555 input files to be in any character set.
7557 2006-02-23 Jeff Law <law@redhat.com>
7559 * tree.h (PHI_ARG_NONZERO): Remove.
7560 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7561 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7562 node to the new node.
7564 PR tree-optimization/26425
7565 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7566 min/max, then assume its varying.
7568 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7570 PR rtl-optimization/26316
7571 * rtlanal.c (enum may_trap_p_flags): New.
7572 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7573 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7574 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7575 (may_trap_after_code_motion_p): New function.
7576 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7577 (find_invariant_insn): Use may_trap_after_code_motion_p.
7578 * rtl.h (may_trap_after_code_motion_p): Declare.
7580 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7582 * emit-rtl.c (immed_double_const): Cleanup.
7584 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7586 Fix PR tree-optimization/26376
7587 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7590 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7593 * gimplify.c (omp_add_variable): Guard variable size decl test with
7594 DECL_SIZE (decl) check.
7596 2006-02-23 Richard Guenther <rguenther@suse.de>
7599 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7600 like aggregate types.
7602 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7604 * configure.ac: Add --with{,out}-long-double-128 configure option.
7605 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7606 * configure: Rebuilt.
7607 * config.in: Rebuilt.
7608 * doc/install.texi (Options specification): Document
7609 --with-long-double-128.
7611 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7612 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7613 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7614 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7616 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7618 * config/s390/s390.c (override_options): Handle
7619 TARGET_DEFAULT_LONG_DOUBLE_128.
7621 * config/alpha/alpha.c (override_options): Handle
7622 TARGET_DEFAULT_LONG_DOUBLE_128.
7624 * config/sparc/sparc.c (sparc_override_options): Handle
7625 TARGET_DEFAULT_LONG_DOUBLE_128.
7627 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7629 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7630 (real-install-headers-tar, real-install-headers-cpio)
7631 (real-install-headers-cp): New targets.
7633 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7635 * tree.h (variable_section): Delete.
7636 * varasm.c (variable_section): Delete.
7638 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7640 * install.texi: Add notes on install.texi2html.
7641 (Building in parallel): Do not use footnotes.
7643 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7646 * doc/install.texi (Configuration): Document --disable-libgomp.
7648 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7650 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7652 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7654 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7655 (vec_extractv2df_0_sse): New.
7657 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7659 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7660 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7661 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7662 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7663 to the result of the expression.
7664 (def_cfa_1): Adjust.
7665 (frame_pointer_cfa_offset): Rename to...
7666 (frame_pointer_fb_offset): ... this. Adjust all uses.
7667 (convert_cfa_to_loc_list): Rename to...
7668 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7669 Pass it on to build_cfa_loc.
7670 (compute_frame_pointer_to_cfa_displacement): Rename to...
7671 (compute_frame_pointer_to_fb_displacement): ... this. New
7672 offset parameter. Use it in computation.
7673 (gen_subprogram_die): Compute cfa_fb_offset with the new
7674 macro, and use it to compute the fb loc list and the
7677 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7679 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7680 replaced with register_operand.
7681 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7682 non-DREG is expensive.
7683 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7684 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7687 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7689 * doc/install.texi2html: Use set -e.
7691 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7693 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7694 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7695 * doc/invoke.texi (-fshared-data): Delete.
7696 * common.opt (fshared-data): Delete.
7697 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7698 (assemble_static_space): Remove #if 0 code.
7699 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7700 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7701 * config/cris/cris.h: Remove FIXME.
7703 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7705 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7708 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7711 * combine.c (simplify_shift_const_1): Disable nested shifts
7712 optimization for vector shifts.
7714 2006-02-20 Roger Sayle <roger@eyesopen.com>
7716 PR tree-optimization/26361
7717 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7718 of unsigned integer types.
7720 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7722 * tree-chrec.c (eq_evolutions_p): New.
7723 * tree-chrec.h (eq_evolutions_p): Declared.
7724 * tree-data-ref.c: Fix formatting.
7725 (datadep_stats, dependence_stats): New.
7727 (print_direction_vector): New.
7728 (dump_data_dependence_relation): Use print_direction_vector.
7729 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7730 (compute_subscript_distance): Static.
7731 (initialize_data_dependence_relation): Static. Get the number
7732 of loops surrounding the references from the callers, and initialize
7733 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7734 base_object_differ_p analyzers.
7735 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7736 compute_overlap_steps_for_affine_1_2,
7737 analyze_subscript_affine_affine): Count the classified dependences.
7738 Print a message when a test failed.
7739 (can_use_analyze_subscript_affine_affine): New.
7740 (analyze_siv_subscript): Compute the data dependences on symbolic
7741 scevs that verify can_use_analyze_subscript_affine_affine.
7742 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7743 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7744 Handle symbolic scevs.
7745 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7747 (subscript_dependence_tester): Moved...
7748 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7749 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7750 DDR_SIZE_VECT instead of getting it in parameter.
7751 (subscript_dependence_tester): ... here. Take as a parameter
7752 loop_nest_depth. Call build_classic_dist_vector and
7753 build_classic_dir_vector.
7754 (compute_affine_dependence): Update subscript_dependence_tester
7755 parameters. Update datadep_stats counters. Call
7756 compute_subscript_distance.
7757 (compute_self_dependence): Save the dist and dir vectors. Call
7758 compute_subscript_distance.
7759 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7760 (compute_all_dependences): Reorder parameters as they were before
7761 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7762 compute_subscript_distance. Update the use of
7763 compute_affine_dependence and initialize_data_dependence_relation.
7764 (find_data_references_in_loop): Handle COMPONENT_REF.
7765 (compute_data_dependences_for_loop): Initialize dependence_stats.
7766 Don't call build_classic_dist_vector and build_classic_dir_vector.
7767 Update the parameters of initialize_data_dependence_relation and
7768 compute_all_dependences. Print the statistics from datadep_stats.
7769 (analyze_all_data_dependences): Static. Not used until the pass for
7770 checking the data dependences is contributed.
7771 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7772 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7773 (initialize_data_dependence_relation, compute_affine_dependence,
7774 analyze_all_data_dependences, compute_subscript_distance): Removed.
7775 (print_direction_vector): New.
7776 * lambda.h (gcd): ... here.
7777 (lambda_vector_gcd): Moved here from gcd_vector.
7778 * lambda-code.c (gcd, gcd_vector): Removed.
7779 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7780 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7782 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7784 * ipa-type-escape.c: Tidy some comments and white space.
7785 * tree-ssa-operands.c: Likewise.
7787 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7790 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7791 (dump_decl_name): Do not walk the decl tree chains.
7792 * tree-pass.h (TDF_CHAIN): Remove.
7794 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7796 * Makefile.in (C): Remove
7798 (.PHONY): Remove C and PROTO
7800 2006-02-20 Roger Sayle <roger@eyesopen.com>
7803 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7804 deprecated CHAR_TYPE tree code.
7806 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7808 * configure.ac (target_list): Add install-info, dvi, html.
7809 * configure: Regenerate.
7811 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7812 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7813 treelang/Make-lang.in: Do not use double-colon rules.
7815 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7817 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7818 (TMT_USED_ALONE): New macro.
7819 * tree-pass.h (PROP_tmt_usage): New property.
7820 (TODO_update_tmt_usage): New todo.
7821 * tree-ssa-alias.c (updating_used_alone): New variable.
7822 (recalculate_used_alone): New function.
7823 (compute_may_aliases): Set updating_used_alone, call
7824 recalculate_used_alone.
7825 * tree-sra.c (pass_sra): Note that this pass destroys
7826 PROP_tmt_usage, and add TODO_update_tmt_usage.
7827 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7828 * tree-flow.h (updating_used_alone): Prototype.
7829 (recalculate_used_alone): Ditto.
7830 * passes.c (execute_todo): Add code to set updating_used_alone,
7831 and call recalculate.
7832 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7833 for clobber if used alone, and add assert to verify used_alone
7836 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7838 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7839 for non tls symbols added.
7840 (legitimize_address): Do nothing for PLUS expressions if one of the
7841 addends is a tls symbol reference.
7843 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7847 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7849 * Makefile.in (BOOTSTRAPPING): New.
7850 (quickstrap): New definition if BOOTSTRAPPING=yes.
7852 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7853 * configure.ac: Substitute all_selected_languages with the languages
7854 that were configured. For all the other variables except
7855 lang_specs_files, include all the languages in the tree.
7856 * configure: Regenerate.
7858 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7859 if there is one. Run the commands to run fixincludes in the same
7862 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7863 * doc/install.texi: Document exact conventions for searching target tools.
7864 Document --with-build-time-tools. Document toplevel bootstrap. Document
7865 something more about building an Ada cross-compiler. Don't list GNU Make
7866 requirements which affect all platforms.
7868 2006-02-19 Roger Sayle <roger@eyesopen.com>
7871 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7872 only equivalent if the have both the same mode and precision.
7874 2006-02-20 Ben Elliston <bje@au.ibm.com>
7876 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7878 2006-02-19 Roger Sayle <roger@eyesopen.com>
7879 Steven Bosscher <stevenb.gcc@gmail.com>
7881 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7882 constant pool references to identify stack mode constants.
7883 * rtlanal.c (constant_pool_constant_p): New predicate to check
7884 whether operand is a floating point constant in the pool.
7885 * rtl.h (constant_pool_constant_p): Prototype here.
7886 * loop.c (scan_loop): Avoid hoisting constants from the constant
7887 pool on STACK_REGS targets.
7888 (load_mems): Likewise.
7889 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7890 loads into x87 registers expensive in terms of register pressure.
7892 2006-02-19 Roger Sayle <roger@eyesopen.com>
7894 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7895 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7897 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7899 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7900 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7902 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7904 * doc/invoke.texi: Document -fipa-pta.
7905 * common.opt: Add ipa-pta option.
7906 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7907 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7908 (do_ds_constraint): Ditto.
7909 (get_constraint_for): Only add to referenced_vars if
7910 referenced_vars exists.
7911 (insert_into_field_list): Rewrite to do this unsorted.
7912 (insert_into_field_list_sorted): Rename old insert_into_field_list
7914 (create_function_info_for): Use insert_into_field_list_sorted.
7915 (create_variable_info_for): Rewrite so it uses unsorted version,
7916 since the field list is sorted.
7917 (intra_create_variable_infos): Only add to referenced_vars if
7918 referenced_vars exists.
7919 (ipa_pta_execute): Init heapvars, and delete when done.
7920 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7922 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7924 * doc/install.texi: Add missing `@samp'.
7926 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7928 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7931 2006-02-18 Mark Wielaard <mark@klomp.org>
7933 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7934 who added new 4.1 features, bug fixes and integration support.
7936 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7939 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7942 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7944 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7945 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7946 (copy_insn_1): Likewise. Don't copy each field individually.
7948 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7950 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7951 * rtl.c (rtx_size): Rename variable to...
7952 (rtx_code_size): ...this.
7953 (rtx_size): New function.
7954 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7955 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7957 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7958 * rtl.h (rtx_code_size): New variable.
7959 (rtx_size): Change from a variable to a function.
7960 (RTX_SIZE): Rename to...
7961 (RTX_CODE_SIZE): ...this.
7964 PR tree-optimization/17106
7965 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7966 (Anchored Addresses): New section.
7967 * doc/invoke.texi (-fsection-anchors): Document.
7968 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7969 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7970 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7971 * hooks.c (hook_bool_mode_rtx_false): New function.
7972 * hooks.h (hook_bool_mode_rtx_false): Declare.
7973 * gengtype.c (create_optional_field): New function.
7974 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7975 SYMBOL_REF_IN_BLOCK_P is true.
7976 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7977 (min_anchor_offset, max_anchor_offset): Likewise.
7978 (use_anchors_for_symbol_p): New hook.
7979 * toplev.c (compile_file): Call output_object_blocks.
7980 (target_supports_section_anchors_p): New function.
7981 (process_options): Check that -fsection-anchors is only used on
7982 targets that support it and when -funit-at-a-time is in effect.
7983 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7984 if the decl doesn't have one.
7985 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7986 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7987 of force_const_mem through use_anchored_address.
7988 (expand_expr_constant): New function.
7989 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7990 calling expand_expr for INDIRECT_REF.
7991 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7992 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7993 * expr.h (use_anchored_address): Declare.
7994 * loop-unroll.c: Don't declare rtx vectors here.
7995 * explow.c: Include output.h.
7996 (validize_mem): Call use_anchored_address.
7997 (use_anchored_address): New function.
7998 * common.opt (-fsection-anchors): New switch.
7999 * varasm.c (object_block_htab, anchor_labelno): New variables.
8000 (hash_section, object_block_entry_eq, object_block_entry_hash)
8001 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8002 (use_blocks_for_decl_p, change_symbol_section): New functions.
8003 (get_variable_section): New function, split out from assemble_variable.
8004 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8005 use_blocks_for_decl_p say so. Use change_symbol_section if the
8006 symbol has already been created.
8007 (assemble_variable_contents): New function, split out from...
8008 (assemble_variable): ...here. Don't output any code for
8009 block symbols; just pass them to place_block_symbol.
8010 Use get_variable_section and assemble_variable_contents.
8011 (get_constant_alignment, get_constant_section, get_constant_size): New
8012 functions, split from output_constant_def_contents.
8013 (build_constant_desc): Create a block symbol if use_object_blocks_p
8014 says so. Or into SYMBOL_REF_FLAGS.
8015 (assemble_constant_contents): New function, split from...
8016 (output_constant_def_contents): ...here. Don't output any code
8017 for block symbols; just pass them to place_section_symbol.
8018 Use get_constant_section and get_constant_alignment.
8019 (force_const_mem): Create a block symbol if use_object_blocks_p and
8020 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8021 (output_constant_pool_1): Add an explicit alignment argument.
8022 Don't switch sections here.
8023 (output_constant_pool): Adjust call to output_constant_pool_1.
8024 Switch sections here instead. Don't output anything for block symbols;
8025 just pass them to place_block_symbol.
8026 (init_varasm_once): Initialize object_block_htab.
8027 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8028 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8029 (place_block_symbol, get_section_anchor, output_object_block)
8030 (output_object_block_htab, output_object_blocks): New functions.
8031 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8032 (TARGET_ASM_OUT): Include it.
8033 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8034 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8035 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8036 (TARGET_INITIALIZER): Include them.
8037 * rtl.c (rtl_check_failed_block_symbol): New function.
8038 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8039 (block_symbol, object_block): New structures.
8040 (rtx_def): Add a block_symbol field to the union.
8041 (BLOCK_SYMBOL_CHECK): New macro.
8042 (rtl_check_failed_block_symbol): Declare.
8043 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8044 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8045 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8046 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8047 * output.h (output_section_symbols): Declare.
8048 (object_block): Name structure.
8049 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8050 (default_use_anchors_for_symbol_p): Declare.
8051 * Makefile.in (RTL_BASE_H): Add vec.h.
8052 (explow.o): Depend on output.h.
8053 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8054 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8055 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8056 (rs6000_use_blocks_for_constant_p): New function.
8058 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8060 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8062 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8065 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8068 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8070 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8074 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8077 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8078 instead of DECL_REGISTER.
8080 2006-02-18 Olivier Hainque <hainque@adacore.com>
8083 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8085 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8088 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8089 * opth-gen.awk: Handle Var and InverseMask together.
8090 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8091 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8092 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8093 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8095 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8096 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8097 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8098 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8099 LINUX_DYNAMIC_LINKER): Define.
8100 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8101 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8103 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8104 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8105 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8106 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8107 (TARGET_C99_FUNCTIONS): Don't define.
8108 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8109 GLIBC_DYNAMIC_LINKER.
8110 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8111 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8112 GLIBC_DYNAMIC_LINKER64): Define.
8113 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8114 LINUX_DYNAMIC_LINKER64.
8115 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8116 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8117 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8118 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8119 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8120 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8121 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8122 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8123 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8124 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8125 and LINUX_DYNAMIC_LINKER32.
8126 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8127 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8128 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8129 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8130 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8132 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8133 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8134 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8135 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8136 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8137 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8138 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8139 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8140 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8141 LINUX_DYNAMIC_LINKER): Define.
8142 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8143 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8144 GLIBC_DYNAMIC_LINKER64): Define.
8145 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8146 LINUX_DYNAMIC_LINKER64.
8147 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8148 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8149 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8150 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8151 LINUX_DYNAMIC_LINKER): Define.
8152 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8153 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8154 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8155 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8156 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8157 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8158 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8159 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8160 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8161 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8162 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8163 * doc/invoke.texi (-muclibc): Remove caveat about supported
8166 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8168 * doc/cpp.texi (__TIMESTAMP__): Document.
8170 2006-02-17 Roger Sayle <roger@eyesopen.com>
8173 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8174 C is one less than the width of X (and related transformations).
8175 * simplify-rtx.c (simplify_unary_operation_1): Transform
8176 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8177 depending on STORE_FLAG_VALUE, were C is one less then the
8180 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8182 Fix PR tree-optimization/26341
8183 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8184 about NAME_MEMORY_TAG's.
8186 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8189 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8190 with hardware float support, and software float support. Add fcpy
8191 alternative to hardware patterns. Add alternatives to copy between
8192 general and floating-point registers to the 32-bit pattern.
8193 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8194 secondary reload to load a QI or HI mode constant into a floating
8196 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8197 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8199 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8202 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8204 (load_macho_picbase_di): Likewise.
8206 2006-02-16 Jeff Law <law@redhat.com>
8208 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8209 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8210 (ssa_name_nonzero_p): Likewise.
8211 (get_value_range): Return NULL if VRP is not running.
8212 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8213 VRP routines do not discover a range.
8214 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8215 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8216 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8217 (tree_expr_nonnegative_p): Similarly.
8218 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8219 (restore_nonzero_vars_to_original_value): Remove.
8220 (unsafe_associative_fp_binop): Remove.
8221 (tree_ssa_dominator_optimize): Remove initialization and
8222 finalization of nonzero_vars and nonzero_vars_stack.
8223 (dom_opt_initialize_block): No longer push marker on
8225 (dom_opt_finalize_block): No longer call
8226 restore_nonzero_vars_to_original_value.
8227 (record_equivalences_from_phis): No longer look for
8228 nonzero PHI arguments.
8229 (cprop_into_successor_phis): No longer propagate nonzero
8230 property into PHI arguments. Lose unused argument. Caller
8232 (record_equivalences_from_stmt): No longer record nonzero
8233 values for SSA_NAMEs.
8234 (lookup_avail_expr): No longer use nonzero_vars.
8236 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8237 for sizetype when sizetype is unsigned.
8239 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8241 PR rtl-optimization/25603
8242 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8243 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8244 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8245 with new meaning of SETS.
8247 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8252 * config/linux.opt: New file.
8253 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8254 LINUX_DYNAMIC_LINKER): Define.
8255 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8256 * config.gcc (*-*-linux*): Define extra_options.
8257 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8258 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8259 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8260 GLIBC_DYNAMIC_LINKER.
8261 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8262 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8263 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8264 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8265 * doc/invoke.texi (GNU/Linux Options): New section.
8267 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8269 * config/sparc/sparc.md (setjmp): Rewrite.
8270 (setjmp_32): Delete.
8271 (setjmp_64): Likewise.
8273 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8275 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8278 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8280 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8283 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8285 PR rtl-optimization/26296
8286 * Makefile.in (loop-invariant.c): Add except.h dependency.
8287 * loop-invariant.c: Include except.h.
8288 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8290 2005-02-16 Paul Brook <paul@codesourcery.com>
8292 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8295 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8297 PR rtl-optimization/25636
8298 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8299 when deciding whether an insn is an initializing insn.
8301 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8303 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8304 (tree_code_size): Ditto.
8305 * tree.h (struct tree_memory_tag): Remove parent_var.
8306 (struct tree_struct_field_tag): New.
8309 (union tree_node): Add sft member.
8310 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8312 (create_sft): Add size and offset argument, set SFT_OFFSET and
8314 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8315 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8316 * tree-flow-inline.h (get_subvar_at): Update for
8317 SFT_OFFSET/SFT_SIZE.
8318 (var_can_have_subvars): Ditto.
8319 (overlap_subvar): Ditto.
8320 * print-tree.c (print_node): Print out interesting things for
8322 * tree-flow.h (struct subvar): Remove offset and size members.
8323 * tree-ssa-operands.c (get_expr_operands): Update for
8324 get_indirect_ref_operands changes.
8325 (get_indirect_ref_operands): Call add_virtual_operand instead of
8326 add_stmt_operand. Only recurse on base var if requested.
8327 (access_can_touch_variable): New function.
8328 (add_stmt_operand): Split virtual operand handling into ...
8329 (add_virtual_operand): Here. Add offset, size, and for_clobber
8330 arguments. Prune alias sets.
8331 (add_call_clobber_ops): Call add_virtual_operand.
8333 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8336 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8338 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8339 than TREE_CODE as index into omp_clause_num_ops array.
8341 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8343 PR rtl-optimization/26184
8344 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8346 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8347 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8348 must_precede, must_follow and tobe_scheduled.
8351 * opts.c (common_handle_option): Free new_option pointer.
8352 * df-core.c (df_analyze): Free postorder pointer.
8354 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8356 * Makefile.in: Fix the examples about the use of stamps
8358 2006-02-15 Michael Matz <matz@suse.de>
8362 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8363 influenced by maximum_field_alignment or DECL_PACKED.
8364 (update_alignment_for_field): Ditto.
8365 (place_field): Ditto.
8366 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8369 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8371 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8372 (debug_flow_info): Pass it.
8373 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8374 * bb-reorder.c (reorder_basic_blocks): Likewise.
8375 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8376 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8377 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8378 * gcse.c (gcse_main, bypass_jumps): Likewise.
8379 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8380 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8381 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8382 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8383 * rtl.h (dump_flow_info): Adjust prototype.
8384 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8385 * var-tracking.c (variable_tracking_main): Likewise.
8386 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8387 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8390 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8392 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8395 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8397 PR tree-optimization/26209
8398 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8399 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8401 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8403 2006-02-14 Roger Sayle <roger@eyesopen.com>
8406 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8407 (X,Y) and the corresponding symmetry related transformations.
8408 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8409 (X,Y) and its symmetry related transformations.
8411 2006-02-14 Roger Sayle <roger@eyesopen.com>
8413 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8416 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8418 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8420 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8423 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8424 support COMDAT group.
8425 * configure: Regenerate.
8427 2006-02-14 Roger Sayle <roger@eyesopen.com>
8432 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8434 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8436 Fix PR tree-optimization/26260
8438 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8440 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8441 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8442 * tree-ssa-structalias.c (create_variable_info_for): Use
8443 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8445 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8447 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8449 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8450 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8451 of the ending condition.
8452 * tree-ssa-loop-manip.c: Include params.h.
8453 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8454 tree_unroll_loop): New functions.
8455 * tree-pass.h (pass_loop_prefetch): Declare.
8456 * loop.c (rest_of_handle_loop_optimize): Test for
8457 -fprefetch-loop-arrays-rtl.
8458 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8459 * timevar.def (TV_TREE_PREFETCH): New timevar.
8460 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8461 pass_loop_prefetch): New.
8462 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8463 (cleanup_tree_cfg_loop): Call scev_reset.
8464 * common.opt (fprefetch-loop-arrays-rtl): Add.
8465 * tree-ssa-loop-prefetch.c: New file.
8466 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8467 (new_temp_expr_table): Initialize expr_vars.
8468 (free_temp_expr_table): Cleanup expr_vars.
8469 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8470 expressions from being merged into one.
8471 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8472 (struct tree_niter_desc): Add control, bound and cmp fields.
8473 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8475 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8476 (tree-cfgcleanup.o): Add SCEV_H dependency.
8477 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8478 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8480 2006-02-14 Richard Guenther <rguenther@suse.de>
8482 PR tree-optimization/26258
8483 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8484 in PHI argument processing.
8486 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8488 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8489 new expression in the requested machine mode.
8491 2006-02-13 Roger Sayle <roger@eyesopen.com>
8493 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8494 directly, instead let do_compare_rtx_and_jump handle this for us.
8495 * expr.c (expand_expr_real_1): Likewise.
8496 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8497 before do_jump_by_parts_greater.
8498 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8499 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8501 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8503 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8505 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8507 PR rtl-optimization/26235
8508 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8509 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8512 2006-02-13 Jeff Law <law@redhat.com>
8514 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8517 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8520 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8521 twice if decl is a builtin. When trying again, call get_callee_fndecl
8522 first to verify it is still a builtin.
8524 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8526 * dwarf2out.c (base_type_die): Don't add AT_name here.
8527 (subrange_type_die): Don't add AT_name here.
8528 (modified_type_die): Rearrange code flow. Do add AT_name here.
8530 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8532 PR rtl-optimization/26247
8533 PR rtl-optimization/26248
8534 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8536 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8538 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8539 * config/fixtfdi.c: Likewise.
8540 * config/fixunstfdi.c: Likewise.
8541 * config/floatditf.c: Likewise.
8543 2006-02-13 Roger Sayle <roger@eyesopen.com>
8546 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8547 into (X,C2) if C1 is a subset of the bits of C2. Transform
8548 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8550 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8552 2006-02-13 Josh Conner <jconner@apple.com>
8555 * varasm.c (function_section): Check for section name before
8556 calling select_section on targets that define
8557 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8558 unlikely_text_section instead of hot_function_section if
8559 first_function_block_is_cold.
8561 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8564 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8566 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8568 PR rtl-optimization/26222
8569 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8570 after tree->rtl expansion.
8571 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8572 before passing it to emit_move_insn.
8574 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8576 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8578 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8579 Clarify documentation.
8580 * c-common.h (warn_write_strings): Remove.
8581 * c-common.c (warn_write_strings): Likewise.
8582 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8585 2006-02-12 Roger Sayle <roger@eyesopen.com>
8588 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8589 (do_jump_parts_zero_rtx): New function renamed from
8590 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8591 (do_jump_parts_equality_rtx): New function split out from
8592 do_jump_parts_equality. Old implementation renamed as above.
8593 Call do_jump_parts_zero_rtx if either operand is zero.
8594 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8595 do all of the heavy lifting.
8596 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8597 calling either do_jump_by_parts_greater_rtx or
8598 do_jump_by_parts_equality_rtx.
8599 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8600 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8601 moved to do_compare_rtx_and_jump, call it directly.
8602 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8603 mode argument. Call do_compare_rtx_and_jump.
8604 (emit_case_nodes): Update calls to do_jump_if_equal.
8606 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8608 PR rtl-optimization/26225
8609 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8611 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8613 PR rtl-optimization/26232
8614 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8616 2006-02-11 Jason Merrill <jason@redhat.com>
8619 * tree-inline.c (declare_return_variable): Just don't use the
8620 modify target if it's a gimple complex reg and the return slot
8623 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8625 * doc/contrib.texi: Update my entry.
8627 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8629 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8631 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8633 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8636 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8638 * doc/invoke.texi (-floop-optimize2): Removed.
8639 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8640 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8641 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8642 * common.opt (floop-optimize2): Removed.
8643 (fmove-loop-invariants): Enabled by default.
8645 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8647 * tree-if-conv.c (combine_blocks): Free the result of
8648 get_loop_exit_edges.
8650 2006-02-10 Jeff Law <law@redhat.com>
8652 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8654 PR tree-optimization/26213
8655 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8656 loop trying to follow SSA_NAME_VALUE chains.
8658 2006-02-10 Richard Guenther <rguenther@suse.de>
8660 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8661 deal with structures that end in implicitly variable sized arrays.
8663 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8665 PR rtl-optimization/24762
8666 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8669 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8671 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8672 (struct ivopts_data): Add regs_used field.
8673 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8674 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8675 instead of loop_data->regs_used;
8676 (free_loop_data): Do not free aux fields for loops.
8677 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8678 and tree_ssa_iv_optimize_finalize.
8680 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8682 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8684 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8687 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8688 computing the effective result type.
8690 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8693 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8694 (tree_overlaps_hard_reg_set): Declare.
8695 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8696 type and signature to match function type expected by walk_tree.
8697 (tree_overlaps_hard_reg_set): New function.
8698 (decl_conflicts_with_clobbers_p): Rename to:
8699 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8700 Use tree_overlaps_hard_reg_set. Changed caller.
8701 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8702 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8703 * cris.c (cris_md_asm_clobbers): Likewise.
8705 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8707 * reload1.c (emit_input_reload_insns): Delete code that tries to
8708 inherit using find_equiv_reg.
8710 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8712 * c-common.h (flag_const_strings): Don't declare.
8713 * c-common.c (flag_const_strings): Remove.
8714 * c.opt (fconst_strings): Remove.
8715 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8716 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8717 (c_common_init_options): Don't set flag_const_strings.
8718 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8720 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8722 * arm.md (tlobits_cbranch): New pattern.
8723 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8724 testing a single bit.
8726 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8729 * tree-ssa-pre.c (create_component_ref_by_pieces):
8730 Handle RETURN_DECL like VAR_DECL.
8732 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8735 * fold-const.c (fold_indirect_ref_1): Fold
8736 "*(foo *)&complexfoo" to "__real__ complexfoo"
8737 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8739 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8741 * tree-flow-inline.h (var_can_have_subvars):
8742 Volatile variables should not have subvariables.
8744 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8747 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8748 multiplying unsigned values.
8751 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8753 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8755 2006-02-08 Jason Merrill <jason@redhat.com>
8758 * tree.def: Elaborate on difference from MODIFY_EXPR.
8759 * doc/c-tree.texi (INIT_EXPR): Likewise.
8760 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8761 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8762 (gimplify_target_expr): Likewise.
8763 (gimplify_cond_expr): Remove target handling.
8764 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8765 (gimplify_expr): Clobber it here.
8766 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8767 Do return slot optimization if we have an INIT_EXPR.
8770 * tree-inline.c (declare_return_variable): Also clear
8771 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8774 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8777 * gimplify.c (gimplify_one_sizepos): Fix typo.
8779 2006-02-08 Jeff Law <law@redhat.com>
8781 PR tree-optimization/21417
8782 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8783 across a backedge if the control statement at the end of the
8784 block is data dependent on other statements in the same block.
8785 (record_temporary_equivalences_from_stmts): Remove over-conservative
8786 test for threading across backedges.
8788 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8789 control statement, handle all three special cases in the same
8790 manner as they all have the same desired solution. No longer
8791 special case edge flag updating when the post dominator is
8794 2006-02-08 Roger Sayle <roger@eyesopen.com>
8796 * tree.def (CHAR_TYPE): Remove.
8797 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8798 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8799 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8800 (gen_string_type_die): Delete unreachable function.
8802 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8803 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8804 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8805 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8806 * builtins.c (type_to_class): Likewise.
8807 * fold-const.c (fold_convert, build_range_check,
8808 merge_ranges): Likewise.
8809 * expr.c (count_type_elements): Likewise.
8810 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8811 * stor-layout.c (layout_type): Likewise.
8812 * ipa-type-escape.c (type_to_consider): Likewise.
8813 * gimplify.c (omp_firstprivatize_type_sizes,
8814 gimplify_type_sizes): Likewise.
8815 * explow.c (promote_mode): Likewise.
8816 * tree-sra.c (is_sra_scalar_type): Likewise.
8817 * varasm.c (output_constant): Likewise.
8818 * tree-inline.c (remap_type_1): Likewise.
8819 * convert.c (convert_to_pointer, convert_to_real,
8820 convert_to_integer, convert_to_complex): Likewise.
8822 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8824 * df-scan.c (df_def_record_1): A set destination may
8825 be a parallel regardless of mode.
8827 2006-02-08 Roger Sayle <roger@eyesopen.com>
8830 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8831 * config/mips/_tilib.c: Remove.
8832 * config/fixtfdi.c: New libgcc source file.
8833 * config/fixunstfdi.c: New source file.
8834 * config/floatditf.c: New source file.
8835 * config/floatunditf.c: New souce file.
8836 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8837 files above instead of config/mips/_tilib.c.
8838 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8840 2006-02-08 Jeff Law <law@redhat.com>
8842 PR tree-optimization/26169
8843 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8846 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8848 * df.h (DF_REG_SIZE): Return the length of the initialized
8851 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8853 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8854 __muldf3): Return a correctly signed zero.
8856 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8858 * passes.c (register_one_dump_file): Accept the current properties
8859 instead of pass number. Adjust call to dump_register. Remove
8861 (register_dump_files): Now a wrapper around...
8862 (register_dump_files_1): ... this one. Do not modify the pass
8864 (next_pass_1): Cosmetic fix.
8865 (execute_todo): Keep second parameter only. Use curr_properties
8866 instead of fetching it from the pass structure. Check and set
8868 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8869 instead of fetching it from the pass structure. Fix calls to
8870 execute_todo. Update curr_properties and initialize .vcg RTL dump
8871 after running the pass. Reset last_verified.
8872 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8874 (FIRST_AUTO_NUMBERED_DUMP): New.
8875 (dump_register): Remove "num" parameter, assign it within the
8877 (get_dump_file_name): Modify template for dumps.
8878 * tree-dump.h (dump_register): Adjust prototype.
8879 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8880 (PROP_trees): Add PROP_gimple_lomp.
8881 (TODO_set_props): New.
8882 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8883 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8884 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8886 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8888 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8889 (sparc64-*-linux*): Likewise.
8890 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8891 * config/sparc/t-linux: New file.
8892 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8893 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8894 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8895 -m32 -mlong-double-128.
8897 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8898 * config/alpha/t-linux: New file.
8899 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8901 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8902 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8903 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8904 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8905 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8906 (CPP_ARCH32_SPEC): Remove.
8908 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8910 PR tree-optimization/26145
8911 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8914 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8917 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8918 >= 240000 when generating code for SOM runtime.
8919 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8920 to $$dyncall when generating code for SOM runtime..
8922 2006-02-07 Dirk Mueller <dmueller@suse.com>
8925 * doc/invoke.texi (-Wsequence-point): Update documentation
8926 that -Wsequence-point is implemented for C++ as well.
8928 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8930 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8931 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8932 (LIB_SPEC): Likewise.
8933 * doc/invoke.texi (SPARC options): Document -pthread.
8935 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8937 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8940 2006-02-07 Roger Sayle <roger@eyesopen.com>
8942 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8943 Correct comment describing BOOLEAN_TYPE.
8945 2006-02-07 Dirk Mueller <dmueller@suse.com>
8947 * c.opt: C++ frontend supports -Wdiv-by-zero.
8948 * c-opts.c (c_common_handle_option): Remove dead case.
8950 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8952 * configure.ac (TLS assembler check): Do not enable TLS by
8953 default on SPARC/Solaris before version 10.
8954 * configure: Regenerate.
8956 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8958 * doc/invoke.texi (xl-compat): Document conversion and support
8961 2006-02-07 Jeff Law <law@redhat.com>
8963 * tree-vrp.c (find_conditional_asserts): Update comments.
8964 (simplify_stmt_for_jump_threading): New.
8965 (identify_jump_threads, finalize_jump_threads): New.
8966 (vrp_finalize): Call identify_jump_threads.
8967 (execute_vrp): Call finalize_jump_threads.
8968 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8969 (vrp_element, vrp_data, vrp_element_p): Remove.
8970 (vrp_hash_elt, vrp_variables_stack): Remove.
8971 (vrp_hash, vrp_eq, record_range): Remove.
8972 (simplify_cond_and_lookup_avail_expr): Remove.
8973 (extract_range_from_cond): Remove.
8974 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8975 (simplify_stmt_for_jump_threading): New.
8976 (dom_thread_across_edge): New wrapper.
8977 (tree_ssa_dominator_optimize): No longer initialize or
8978 finalize any of the VRP datastructures. Remove iteration
8979 step and simplify as a result of removal of iteration step.
8980 (pass_dominator): Perform a cfg cleanup after DOM.
8981 (dom_opt_finalize_block): Use the new common routines
8982 for threading jumps. Simplify stack management slightly.
8983 No longer need to unwind VRP state.
8984 (record_equivalences_from_incoming_edge): No longer record
8986 (eliminate_redundant_computations): No longer call
8987 simplify_cond_and_lookup_avail_expr.
8988 * tree-flow.h (potentially_threadable_block): Prototype.
8989 (thread_across_edge): Likewise.
8990 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8991 (tree-ssa-threadedge.o): Add dependencies.
8992 * tree-ssa-threadedge.c: New file.
8993 * passes.c (init_optimization_passes): Merge PHIs before
8994 calling VRP. Run VRP again late in the SSA optimization pipeline.
8996 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8998 * df-core.c (df_set_blocks): Do not dereference function pointers.
8999 (df_finish1): Likewise.
9000 (df_hybrid_search_forward): Likewise.
9001 (df_hybrid_search_backward): Likewise.
9002 (df_iterative_dataflow): Likewise.
9003 (df_analyze_problem): Likewise.
9004 (df_compact_blocks): Likewise.
9005 (df_dump): Likewise.
9006 * df-scan.c (df_rescan_blocks): Likewise.
9007 (df_record_entry_block_defs): Likewise.
9009 * genconditions.c (write_conditions): Guard the definition of
9010 'insn_conditions' with the check on GCC version.
9011 (write_writer): Guard the traversal 'insn_conditions' with
9012 the check on GCC version.
9014 2006-02-07 Richard Guenther <rguenther@suse.de>
9018 2006-01-30 Richard Guenther <rguenther@suse.de>
9020 * gimplify.c (gimplify_target_expr): Handle easy cases
9021 without creating a temporary.
9023 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9025 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9026 use of float in probability computations. Use edge probabilities
9027 in place of statically computed probabilities.
9028 (min_spec_prob): New static variable.
9029 (schedule_insns): Initialize it.
9030 (GET_SRC_PROB): Removed.
9031 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9033 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9036 * config/ia64/unwind-ia64.c: Revert last change.
9037 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9038 (INCOMING_FRAME_SP_OFFSET): Define.
9040 2006-02-06 Roger Sayle <roger@eyesopen.com>
9042 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9044 2006-02-07 Ben Elliston <bje@au.ibm.com>
9046 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9047 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9048 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9049 (ix86_return_in_memory): Handle TDmode.
9050 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9051 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9053 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9055 * reorg.c (dbr_schedule): Use dump_file instead of file.
9057 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9060 * config/ia64/predicates.md (extr_len_operand): New predicate.
9061 * config/ia64/ia64.md (extv): Tighten constraints.
9063 (*tbit_and_2): Ditto.
9064 (*tbit_and_3): Ditto.
9065 (*tbit_or_2): Ditto.
9066 (*tbit_or_3): Ditto.
9070 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9073 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9075 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9077 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9078 loop_optimizer_init and loop_optimizer_finalize
9079 * tree-ssa-sink.c (execute_sink_code): Ditto.
9080 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9081 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9082 tree_ssa_loop_done): Ditto.
9083 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9084 * sched-ebb.c: Include output.h.
9085 (schedule_ebbs): Do not use dump argument.
9086 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9087 * loop.c (loop_dump_stream): Removed.
9088 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9090 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9091 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9092 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9093 loop_iterations, strength_reduce, record_biv, record_giv,
9094 final_giv_value, check_final_value, check_ext_dependent_givs,
9095 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9096 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9097 dump_file instead of loop_dump_stream.
9098 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9100 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9102 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9103 * haifa-sched.c: Include output.h
9104 (schedule_insns, sched_init): Do not use dump argument.
9105 * mode-switching.c (optimize_mode_switching): Ditto.
9106 * modulo-sched.c (stats_file): Removed.
9107 (print_node_sched_params): Do not call argument dump_file.
9108 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9109 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9111 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9113 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9114 rtl_loop_init, rtl_loop_done): Ditto.
9115 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9116 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9118 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9119 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9120 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9121 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9122 * emit-rtl.c (renumber_insns): Ditto.
9123 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9124 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9125 * regclass.c (regclass): Ditto.
9126 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9127 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9128 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9129 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9131 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9132 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9134 * gcse.c (gcse_file, debug_stderr): Removed.
9135 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9136 rest_of_handle_gcse): Do not use dump argument.
9137 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9138 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9139 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9140 compute_code_hoist_vbeinout, compute_code_hoist_data,
9141 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9142 compute_store_table, build_store_vectors, insert_insn_start_bb,
9143 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9144 store_motion): Use dump_file instead of gcse_file.
9145 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9146 * profile.c (profile_dump_file): Removed.
9147 (branch_prob): Use dump_file instead of profile_dump_file.
9148 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9150 * tree-ssa-copy.c (dump_copy_of): Ditto.
9151 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9152 dump file to life_analysis.
9153 * bt-load.c (branch_target_load_optimize): Ditto.
9154 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9156 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9157 regclass, dbr_schedule): Declaration changed.
9158 * sched-int.h (sched_init): Declaration changed.
9159 * tree-profile.c (tree_profile_dump_file): Removed.
9160 (tree_profile_hooks): Removed profile_dump_file hook.
9161 * rtl-profile (rtl_profile_dump_file): Removed.
9162 (rtl_profile_hooks): emoved profile_dump_file hook.
9163 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9165 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9166 * tree-cfg.c (build_tree_cfg): Ditto.
9167 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9168 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9169 Declaration changed.
9170 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9171 life_analysis and schedule_insns.
9172 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9174 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9176 * config/mips/mips.c (mips_reorg): Ditto.
9177 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9180 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9182 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9183 (s390_mangle_fundamental_type): New.
9184 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9187 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9188 (alpha_mangle_fundamental_type): New.
9189 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9192 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9194 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9196 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9197 (sparc_mangle_fundamental_type): New.
9199 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9201 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9202 (s390x-*-linux*): Likewise.
9203 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9204 * config/s390/t-linux: New file.
9206 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9208 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9209 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9211 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9213 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9214 (ANTIC_SAFE_LOADS): New macro.
9215 (find_or_generate_expression): Add prototype.
9216 (set_contains_value): Allow null set for sake of not always having
9217 to allocate ANTIC_SAFE_LOADS.
9218 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9219 Allow COMPONENT_REF too.
9220 (valid_in_set): Allow COMPONENT_REF.
9221 Check ANTIC_SAFE_LOADS too.
9222 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9223 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9225 (can_PRE_operation): Add COMPONENT_REF.
9226 (create_component_ref_by_pieces): New function.
9227 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9228 (insert_aux): Move AGGREGATE_TYPE_P check here.
9229 (compute_avail): Set bb local stmt uids.
9230 (pass_pre): Use TODO_update_ssa_only_virtuals.
9232 2006-02-06 Ben Elliston <bje@au.ibm.com>
9234 * configure.ac: Unconditionally disable decimal float by default.
9235 * configure: Regenerate.
9237 2006-02-06 Ben Elliston <bje@au.ibm.com>
9239 * read-rtl.c (read_name): Terminate reading on EOF.
9241 2006-02-06 Ben Elliston <bje@au.ibm.com>
9243 * dfp.c (decimal_real_arithmetic): Change second argument type
9244 from int to enum tree_code. Do not always return true, but now
9245 return result of any call to decimal_do helper functions.
9246 * dfp.h (decimal_real_arithmetic): Update prototype.
9248 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9250 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9252 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9255 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9258 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9260 * tree-vrp.c (cfg_loops): Removed.
9261 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9262 Use current_loops instead of cfg_loops. Pass flags to
9263 loop_optimizer_init.
9264 * cfgloopmanip.c (fix_loop_structure): Update only available
9266 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9267 loop_optimizer_init.
9268 * modulo-sched.c (build_loops_structure): Removed.
9269 (sms_schedule): Use loop_optimizer_init.
9270 * loop-init.c (loop_optimizer_init): Use flags to determine
9271 which properties of loops to prepare.
9272 (rtl_loop_init): Pass flags to loop_optimizer_init.
9273 * tree-ssa-sink.c (execute_sink_code): Ditto.
9274 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9275 * tree-ssa-pre.c (init_pre): Ditto.
9276 * cfgloop.h (LOOPS_NORMAL): New.
9277 (loop_optimizer_init): Declaration changed.
9279 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9281 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9282 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9284 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9286 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9288 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9289 * pa/t-pa64: Delete quadlib.c rule.
9290 * pa/x-ada: Revert last change.
9291 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9293 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9295 PR rtl-optimization/26087
9296 * rtlanal.c (canonicalize_condition): Do not cross basic block
9299 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9302 * config/ia64/ia64.c: Include debug.h.
9303 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9304 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9305 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9306 (process_epilogue, process_set, process_for_unwind_directive):
9307 Output unwind info only if requested. Add CFA info if requested.
9308 Add new arguments as needed. Adjust callers.
9309 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9311 (DWARF2_FRAME_INFO): Define to zero.
9312 * config/ia64/unwind-ia64.c: Remove code that compensated for
9313 the CFA offset error fixed above.
9314 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9315 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9316 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9317 -funwind-tables and -fexceptions to enable frame info.
9318 (dwarf2out_frame_init): Define initial CFA even if
9319 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9320 DWARF2_UNWIND_INFO is nonzero, not just defined.
9321 (dwarf2out_frame_finish): Output non-EH call frame info only
9322 if DWARF2_FRAME_INFO is nonzero.
9323 (convert_cfa_to_loc_list,
9324 compute_frame_pointer_to_cfa_displacement): Define even if
9325 unwind info is not supported.
9326 (gen_subprogram_die): Use the above unconditionally. Remove
9327 legacy alternate code.
9328 * toplev.c (compile_file): Compile in call to
9329 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9330 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9332 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9333 Jakub Jelinek <jakub@redhat.com>
9335 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9336 IBM extended float format long double as "g" on powerpc*-linux.
9338 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9341 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9342 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9344 2006-02-03 Jason Merrill <jason@redhat.com>
9347 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9350 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9351 on the return slot if it's an NRV.
9353 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9355 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9356 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9357 rewrite_use): Do not handle USE_OUTER.
9358 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9359 add_iv_outer_candidates, may_replace_final_value,
9360 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9361 (find_interesting_uses_op): Functionality of
9362 find_interesting_uses_outer_or_nonlin moved here.
9363 (find_interesting_uses_outside): Use find_interesting_uses_op.
9365 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9368 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9370 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9371 Ulrich Weigand <uweigand@de.ibm.com>
9374 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9375 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9376 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9377 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9379 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9380 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9381 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9382 Define secondary reloads for TFmode moves.
9383 (constant_modes): Add TFmode.
9384 (NR_C_MODES): Set to 8.
9385 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9387 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9388 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9389 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9390 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9391 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9392 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9393 (FPR mode macro): Add TFmode.
9394 (DSF mode macro): New.
9395 (<de>, <dee> mode attributes): Removed.
9396 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9397 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9398 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9399 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9400 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9401 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9402 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9403 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9404 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9405 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9406 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9407 "*negabs<mode>2", "sqrt<mode>2"):
9408 Changed <de> to <xde>. R constraint replaced by <Rf>.
9409 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9411 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9412 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9413 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9415 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9416 "extenddftf2", "extendsftf2"): New expanders.
9417 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9418 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9419 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9420 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9422 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9423 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9424 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9425 __floatditf): Add a GCC_4.1.0 symbol version tag.
9426 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9429 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9432 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9433 Use targetm.binds_local_p instead of TREE_PUBLIC.
9435 2006-02-02 Roger Sayle <roger@eyesopen.com>
9437 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9438 on INTEGER_TYPEs to indicate that it denotes a character type.
9439 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9440 signed_char_type_node, unsigned_char_type_node and char_type_node.
9441 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9442 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9443 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9445 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9446 Daniel Berlin <dberlin@dberlin.org>
9448 * tree-tailcall.c (arg_needs_copy_p): New function.
9449 (eliminate_tail_call): Use arg_needs_copy_p.
9450 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9451 (add_virtual_phis): New function.
9453 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9455 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9456 #ignore instead of #scratch for %g7 .register directive.
9458 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9460 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9463 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9465 * flow.c (calculate_global_regs_live): Assert that there aren't any
9468 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9470 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9472 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9473 bsi_after_labels iterator.
9474 * tree-if-conv.c (find_phi_replacement_condition,
9475 replace_phi_with_cond_modify_expr): Likewise.
9476 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9477 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9479 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9481 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9483 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9486 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9487 array after growing it.
9489 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9492 * fold-const.c (fold_checksum_tree): Change type of buf.
9494 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9496 * reload.c (push_secondary_reload): Initialize t_icode.
9498 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9500 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9501 -msoft-float -mlong-double-128 only issue a warning, but don't
9502 swich to DFmode long double.
9504 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9506 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9507 has a constant equivalent, iterate over equivalents for arg0,
9508 calling simplify_relational_operation and if there's a result
9509 cheaper than X, apply fold_rtx and return the result.
9511 2006-02-01 Jan Hubicka <jh@suse.cz>
9513 * opts.c (no_unit_at_a_time_default): New global variable.
9514 (decode_options): Use it.
9515 * opts.h (no_unit_at_a_time_default): Declare.
9517 2006-02-01 Paul Brook <paul@codesourcery.com>
9519 * function.c (assign_parm_setup_reg): Use function argument promotion
9521 * expr.c (expand_expr_real_1): Use function argument promotion rules
9524 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9526 * gcc.c (process_command): Change j to 'unsigned int'.
9528 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9531 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9532 Use the corrected index for the character
9533 out of the string constant.
9535 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9537 * mode-switching.c (optimize_mode_switching): Fix size
9538 allocated for bb_info[n_entities].
9540 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9542 * gcc.c (main): Correct type that is allocated for
9543 explicit_link_files.
9545 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9547 * config/s390/s390.c (init_alignment_context): Set
9548 ALIAS_SET_MEMORY_BARRIER on the MEM.
9549 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9551 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9554 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9556 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9559 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9561 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9562 * regrename.c: Ditto.
9563 * tree-ssa-loop-im.c: Ditto.
9564 * tree-dump.c: Ditto.
9565 * tree-complex.c: Ditto.
9566 * genrecog.c: Ditto.
9567 * tree-ssa-threadupdate.c: Ditto.
9569 * java/class.c: Ditto.
9570 * java/jcf-parse.c: Ditto.
9571 * java/resource.c: Ditto.
9572 * java/except.c: Ditto.
9573 * java/jvspec.c: Ditto.
9574 * java/jcf-write.c: Ditto.
9575 * java/jcf-path.c: Ditto.
9576 * java/gjavah.c: Ditto.
9577 * java/zextract.c: Ditto.
9578 * java/jcf-io.c: Ditto.
9579 * java/jcf.h: Ditto.
9580 * java/buffer.c: Ditto.
9581 * java/lang.c: Ditto.
9582 * java/parse-scan.y: Ditto.
9583 * java/lex.c: Ditto.
9584 * java/lex.h: Ditto.
9585 * cfgloopmanip.c: Ditto.
9586 * postreload-gcse.c: Ditto.
9587 * tree-ssa-loop-manip.c: Ditto.
9588 * postreload.c: Ditto.
9589 * tree-ssa-loop-ch.c: Ditto.
9593 * diagnostic.c: Ditto.
9595 * genoutput.c: Ditto.
9597 * cfghooks.c: Ditto.
9598 * cfgloopanal.c: Ditto.
9599 * objc/objc-act.c: Ditto.
9601 * genextract.c: Ditto.
9602 * genautomata.c: Ditto.
9603 * pretty-print.c: Ditto.
9605 * cgraphunit.c: Ditto.
9608 * haifa-sched.c: Ditto.
9609 * dominance.c: Ditto.
9611 * tree-ssa-loop-ivopts.c: Ditto.
9613 * mode-switching.c: Ditto.
9614 * modulo-sched.c: Ditto.
9616 * ipa-pure-const.c: Ditto.
9618 * fix-header.c: Ditto.
9620 * tree-stdarg.c: Ditto.
9621 * ipa-utils.c: Ditto.
9622 * loop-init.c: Ditto.
9623 * ipa-inline.c: Ditto.
9626 * alloc-pool.c: Ditto.
9627 * dwarf2out.c: Ditto.
9629 * genattrtab.c: Ditto.
9630 * tree-ssa-loop-ivcanon.c: Ditto.
9634 * fortran/gfortranspec.c: Ditto.
9636 * local-alloc.c: Ditto.
9637 * langhooks.c: Ditto.
9638 * function.c: Ditto.
9639 * tree-vectorizer.c: Ditto.
9641 * ipa-type-escape.c: Ditto.
9643 * tree-if-conv.c: Ditto.
9646 * tree-data-ref.c: Ditto.
9647 * loop-unroll.c: Ditto.
9648 * treelang/treetree.c: Ditto.
9651 * ggc-common.c: Ditto.
9653 * coverage.c: Ditto.
9655 * tree-cfgcleanup.c: Ditto.
9656 * tree-ssa-pre.c: Ditto.
9657 * cfgcleanup.c: Ditto.
9658 * loop-invariant.c: Ditto.
9660 * ipa-prop.c: Ditto.
9661 * print-tree.c: Ditto.
9662 * conflict.c: Ditto.
9663 * ggc-page.c: Ditto.
9664 * sched-deps.c: Ditto.
9665 * regclass.c: Ditto.
9666 * tree-object-size.c: Ditto.
9668 * bb-reorder.c: Ditto.
9669 * resource.c: Ditto.
9670 * var-tracking.c: Ditto.
9672 * df-problems.c: Ditto.
9673 * reg-stack.c: Ditto.
9676 * sched-rgn.c: Ditto.
9677 * tree-ssa-structalias.c: Ditto.
9678 * tree-ssa-reassoc.c: Ditto.
9679 * config/darwin-c.c: Ditto.
9680 * config/darwin.c: Ditto.
9681 * config/arm/arm.c: Ditto.
9683 * collect2.c: Ditto.
9686 2006-01-31 Nicolas Pitre <nico@cam.org>
9688 * arm.md (smaxsi3): Make aware of smax_m1.
9691 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9693 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9695 2006-01-31 Richard Guenther <rguenther@suse.de>
9697 * doc/invoke.texi (-msselibm): Document.
9698 * target.h (expand_library_builtin): New target hook.
9699 * builtins.c (expand_builtin): Use expand_library_builtin.
9700 (default_expand_library_builtin): New function.
9701 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9702 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9703 (link_gcc_math_spec): Declare.
9704 (static_specs): Add link_gcc_math_spec.
9705 * expr.h (default_expand_library_builtin): Declare.
9706 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9707 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9708 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9709 * config/i386/i386.opt (msselibm): New target option.
9710 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9711 (ix86_init_sse_abi_builtins): New function.
9712 (ix86_expand_library_builtin): Likewise.
9713 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9714 (override_options): Handle error conditions wrt -msselibm.
9715 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9716 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9717 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9720 2006-01-31 Richard Guenther <rguenther@suse.de>
9721 Paolo Bonzini <bonzini@gnu.org>
9723 * doc/install.texi (--disable-libgcc-math): Document.
9725 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9727 * expr.h (expand_normal): new inline function.
9728 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9730 * dwarf2out.c: use it.
9735 * config/sparc/sparc.c: use it.
9736 * config/i386/i386.c: use it.
9737 * config/rs6000/rs6000.c: use it.
9738 * config/arm/arm.c: use it.
9739 * config/mips/mips.c: use it.
9740 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9742 2006-01-30 Roger Sayle <roger@eyesopen.com>
9744 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9745 argv to the appropriate type.
9747 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9749 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9752 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9755 * config/s390/s390.c (struct machine_function): New flag
9756 decomposed_literal_pool_addresses_ok_p.
9757 (s390_reorg): Set it before final stage of literal pool transforms.
9758 (s390_decompose_address): Only accept displacements of the form
9759 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9761 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9763 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9764 the comparison routine return.
9766 2006-01-30 Michael Matz <matz@suse.de>
9768 * global.c (find_reg): Only evict for global regs.
9769 Take n_refs into account and dump more info.
9771 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9774 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9775 (pragma_trap, pragma_nosave_low_regs): Likewise.
9776 (current_function_anonymous_args): Likewise.
9777 (sh_deferred_function_attributes): New variable.
9778 (sh_deferred_function_attributes_tail): Likewise.
9779 (print_operand): For '@', look up trap_exit attribute.
9780 (calc_live_regs): Look up trapa_handler attribute. For trapa
9781 handlers, save/restore fpscr, but don't do any other
9782 interrupt-specific saves.
9783 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9784 Fix check for partially saved registers to check for SHmedia.
9785 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9786 (sh_output_function_epilogue): Don't clear any of the removed
9788 (sh_insert_attributes): Don't check pragma_interrupt.
9789 Insert deferred attributes. Check that interrupt attribute is
9790 present for other attributes that require its presence.
9791 (sh_attribute_table): Add new attributes trapa_handler and
9793 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9794 Don't check for pragma_interrupt. Don't store argument.
9795 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9796 (sh_deferred_function_attributes): Declare.
9797 (sh_deferred_function_attributes_tail): Likewise.
9798 * sh.md (sp_switch_1): Add operand. Change generator caller.
9799 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9800 (*return_i): Don't use when trap_exit attribute is in effect.
9801 (*return_trapa): New insn pattern.
9803 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9804 setting c_target_objs and cxx_target_objs.
9805 * t-sh: Add rule for sh-c.o.
9807 2006-01-30 Richard Guenther <rguenther@suse.de>
9810 * gimplify.c (gimplify_target_expr): Handle easy cases
9811 without creating a temporary.
9813 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9815 * vec.h (safe_grow): Remove duplicated line.
9817 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9820 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9821 (expand_omp): ... here.
9822 (expand_omp_parallel): Only remove barriers for combined
9823 parallel+workshare constructs.
9825 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9829 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9830 * tree.c (build_qualified_type): Chain the new type to the original
9831 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9832 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9833 (build_pointer_type_for_mode): Only return unqualified types.
9834 (build_reference_type_for_mode): Likewise.
9836 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9838 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9839 * Makefile.in (CXX_COMPAT_WARN): Define.
9840 * configure: Regenerate.
9842 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9845 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9848 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9850 * toplev.c: Fix thinko.
9852 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9853 Marcin Dalecki <martin@dalecki.de>
9855 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9856 (push_srcloc): Use XNEW.
9857 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9859 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9861 * df-core.c (df_set_blocks): Deleted all variable.
9863 2006-01-28 Ian Lance Taylor <ian@airs.com>
9865 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9866 cgraph_output_pending_asms.
9868 2006-01-28 Zack Weinberg <zackw@panix.com>
9870 * c.opt: Add -W(no-)overlength-strings.
9871 * doc/invoke.texi: Document it.
9872 * c-opts.c (c_common_handle_option): -pedantic implies
9873 -Woverlength-strings, if not explicitly disabled already.
9874 (c_common_post_options): -Woverlength-strings defaults to off, and
9875 is always off for C++.
9876 * c-common.c (fix_string_type): Issue warning about strings longer
9877 than is portable only if warn_overlength_strings. Rearrange code
9878 a little for clarity.
9879 * configure.in: Check for -Wno-overlength-strings as well before
9880 enabling -pedantic in stage 1.
9881 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9882 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9884 * genconditions.c (write_header, write_one_condition)
9885 (write_conditions, write_writer): Consolidate very long strings
9886 that were broken up to fit in C89 portable limit. Don't use
9887 printf when fputs will do.
9889 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9891 * combine.c (simplify_comparison <AND>): Check
9892 TRULY_NOOP_TRUNCATION before start using a subreg.
9894 * config/mips/mips.md (*branch_zero<mode>,
9895 *branch_zero<mode>_inverted, *branch_equality<mode>,
9896 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9897 Remove mode check from comparisons.
9899 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9901 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9903 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9905 * expmed.c (const_mult_add_overflow_p): Remove.
9906 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9908 * recog.c (validate_replace_rtx_subexp): Remove.
9909 * recog.h: Remove the prototype for
9910 validate_replace_rtx_subexp.
9912 * integrate.h: Remove the prototype for
9913 copy_decl_for_inlining.
9914 * rtl.h: Remove the prototype for mark_constant_function.
9915 * tree-vectorizer.h: Remove the prototype for
9916 vect_strip_conversion.
9918 * modulo-sched.c (create_partial_schedule,
9919 free_partial_schedule, reset_partial_schedule): Make them
9922 * hooks.c (hook_bool_rtx_int_false): Remove.
9923 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9925 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9927 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9928 and -mlong-double-128 are incompatible.
9929 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9930 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9931 (TARGET_LIBGCC2_CFLAGS): Define.
9932 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9933 (TARGET_LIBGCC2_CFLAGS): Same.
9934 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9936 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9939 * c-typeck.c (build_binary_op): Perform implicit casts of
9940 operands before shortening them.
9942 * cfgloopmanip.c (split_loop_bb): Remove.
9943 * cfgloop.h: Remove the prototype for split_loop_bb.
9945 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9946 * cfgloop.h: Remove the prototype for
9947 flow_loop_outside_edge_p.
9949 * emit-rtl.c (init_virtual_regs): Make it static.
9950 * function.h: Remove the prototype for init_virtual_regs.
9952 * recog.c (peephole2_optimize): Make it static.
9953 * recog.h: Remove the prototype for peephole2_optimize.
9955 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9957 * df-scan.c (df_record_entry_block_defs): Check if
9958 INCOMING_RETURN_ADDR_RTX is defined.
9960 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9961 Kenneth Zadeck <zadeck@naturalbridge.com>
9963 PR rtl-optimization/24762
9964 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9965 * targhooks.c (hook_void_bitmap): New hook prototype.
9966 * targhoohs.h (hook_void_bitmap): Ditto.
9967 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9968 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9969 * target.h (live_on_entry): New function pointer.
9970 * df-scan.c (df_all_hard_regs): Removed.
9971 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9972 (df_scan_free_internal): Added df->entry_block_defs.
9973 (df_scan_alloc): Ditto.
9974 (df_scan_dump): Ditto.
9975 (df_uses_record): Plumbed flag field properly thru calls.
9976 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9977 This part fixes PR24762.
9978 (df_bb_refs_record): Added code to make the frame and arg
9979 pointers live in EH blocks.
9980 (df_refs_record): Added call to df_record_entry_block_defs.
9981 (df_record_entry_block_defs): New function.
9982 * df-core.c: Added comments to describe new artifical defs.
9983 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9984 (entry_block_defs): New field in struct df.
9985 (df_all_hard_regs): Deleted.
9986 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9987 * df-problems.c (df_ru_bb_local_compute_process_def):
9988 Added code to handle artifical defs in the entry to a function.
9989 (df_ru_bb_local_compute): Ditto.
9990 (df_rd_bb_local_compute_process_def): Ditto.
9991 (df_rd_bb_local_compute): Ditto.
9992 (df_lr_bb_local_compute): Ditto.
9993 (df_ur_bb_local_compute): Ditto.
9994 (df_urec_bb_local_compute): Ditto.
9995 (df_chain_create_bb): Ditto.
9996 (df_ur_local_finalize): Removed entry.
9997 (df_urec_init): Ditto.
9998 (df_urec_local_finalize): Ditto.
9999 (df_ri_bb_compute): Added detection of last use of pseudos.
10000 * Makefile.in (df-scan.o): Updated dependencies.
10001 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10002 * config/mips/mips.c (mips_set_live_on_entry): Added.
10003 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10005 * dce.c (marked_insn_p): Added code to handle artifical defs.
10007 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10009 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10011 (_mm_cvtsi128_si64): Likewise.
10012 (_mm_cvtsd_si64): Likewise.
10013 (_mm_cvttsd_si64): Likewise.
10014 (_mm_cvtsi64_sd): Likewise.
10015 (_mm_cvtsi64_si128): Likewise.
10016 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10017 (_mm_cvtsi64_m64): Likewise.
10018 (_m_to_int64): Likewise.
10019 (_mm_cvtm64_si64): Likewise.
10020 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10021 (_mm_cvttss_si64): Likewise.
10022 (_mm_cvtsi64_ss): Likewise.
10023 (_mm_cvtss_f32): Likewise.
10025 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10027 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10028 for pragma redefine_extname.
10030 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10033 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10034 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10035 -mno-minimal-toc to previous content.
10036 (bispecs): Remove goal.
10037 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10038 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10039 compatibility aliases on powerpc-*-*gnu*.
10040 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10041 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10042 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10043 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10044 (ldblspecs): New goal.
10045 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10046 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10048 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10049 L_sf_to_tf or L_df_to_tf is defined.
10051 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10052 Alan Modra <amodra@bigpond.net.au>
10055 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10056 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10057 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10058 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10059 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10060 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10061 (rs6000_override_options): Initialize rs6000_ieeequad.
10062 Initialize TFmode format to ibm_extended_format if not
10064 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10066 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10067 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10068 (function_arg_advance): IBM long double passed in two FPRs, not
10070 (function_arg): IBM long double passed in FPRs.
10071 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10072 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10073 Only multireg GPR aligned.
10074 (rs6000_init_libfuncs): Enable IBM long double functions if not
10076 (rs6000_generate_compare): Use IBM long double compare if not
10078 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10079 (TARGET_IEEEQUAD): Define.
10080 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10081 not TARGET_IEEEQUAD.
10082 * config/rs6000/rs6000.md: Enable TFmode patterns if
10084 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10085 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10086 and -mlong-double-128 are incompatible.
10087 * doc/invoke.texi (-mabi): Collect options together. Add
10088 ibmlongdouble and ieeelongdouble.
10090 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10092 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10094 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10095 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10096 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10097 * rtl.h (rtunion_def): Remove rt_ptr.
10099 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10100 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10101 * config/i386/winnt.c (i386_pe_mark_dllexport)
10102 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10104 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10106 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10108 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10112 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10113 pthread_key_delete. From John David Anglin. gthrw-ify
10114 pthread_getunique_np only if it it's not a macro. Delete
10116 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10117 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10118 __gthread_objc_condition_signal, __gthread_key_delete): Add
10119 "__attribute__ ((__unused__))" to unused arguments.
10120 (__gthread_recursive_mutex_init_function): Add missing return.
10121 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10122 gthr-posix95.h: Use macro-based approach for name redirection
10123 on targets missing weakref.
10125 2006-01-26 Zack Weinberg <zackw@panix.com>
10127 * genconditions.c (write_header): In generated code, #ifdef out
10128 all includes and fake declarations, except includes of bconfig.h
10129 and system.h, unless GCC_VERSION >= 3001. Do not include
10130 gensupport.h in any case.
10131 (write_conditions): Generate a definition of struct c_test. Add
10132 a comment to the generated #endif.
10133 (write_one_condition): Escape backslashes in string too.
10134 (write_writer): Generated code must escape backslashes and quote
10135 marks (but not newlines) in the strings it writes.
10136 * Makefile.in (build/gencondmd.o): Update dependencies.
10138 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10141 * Makefile.in (insn-automata.o): Add header file dependencies.
10142 * genautomata.c: Add includes.
10144 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10147 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10149 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10151 * configure.ac: Expect target tools paths to be passed from the toplevel
10152 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10154 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10156 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10159 * c.opt (Wpointer-sign): Init to -1.
10160 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10161 OPT_pedantic, to 0 otherwise.
10162 * doc/invoke.texi: Update.
10164 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10166 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10167 constants provided by 80387 instructions in the destination mode.
10169 2006-01-26 Richard Guenther <rguenther@suse.de>
10170 Andrew Pinski <pinskia@physics.uc.edu>
10173 partial PR tree-opt/17064
10174 * tree-ssa-structalias.c (intra_create_variable_infos):
10175 Create heap variables for incoming parameters if
10176 flag_argument_noalias > 1.
10177 (find_what_p_points_to): Look through default defs of
10180 2006-01-26 Jeff Law <law@redhat.com>
10183 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10184 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10185 within the VR_RANGE, use the VR_RANGE as the result, not the
10187 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10188 bounds for the type.
10190 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10192 * tree-ssa-alias.c (maybe_create_global_var): Change
10193 subvar walking to an assertion that we don't have subvar'd variables.
10195 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10198 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10199 Use a new variable, inner. PARM_DECLs are always non-weak.
10201 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10203 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10204 --disable-checking.
10206 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10208 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10210 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10212 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10213 (smax_insn, smin_insn, smax_0, smin_0): New.
10215 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10218 * config/cris/cris.c (cris_order_for_addsi3): New function.
10219 * config/cris/cris-protos.h: Prototype it.
10220 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10221 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10222 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10223 (split for "op.S1 [rx=rx+i],ry (swapped)")
10224 (split for "op(s|u).S1 [rx=rx+i],ry")
10225 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10226 Apply cris_order_for_addsi3 when generating addsi3 insns.
10228 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10230 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10231 (TREE_BLOCK): Add call to EXPR_CHECK.
10233 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10236 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10237 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10238 (dump_omp_clauses): ... here.
10239 (dump_generic_node): Handle OMP_CLAUSE.
10240 * tree.c (omp_clause_num_ops): New.
10241 (omp_clause_code_name): New.
10242 (tree_code_size): Handle OMP_CLAUSE.
10243 (tree_size): Likewise.
10244 (make_node): Document handling of OMP_CLAUSE.
10245 (tree_node_structure): Handle OMP_CLAUSE.
10246 (omp_clause_check_failed): New.
10247 (omp_clause_range_check_failed): New.
10248 (omp_clause_operand_check_failed): New.
10249 (build_omp_clause): New.
10250 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10251 * tree.h (enum omp_clause_code): Declare.
10252 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10253 (OMP_CLAUSE_RANGE_CHECK): Define.
10254 (OMP_CLAUSE_ELT_CHECK): Define.
10255 (omp_clause_check_failed): Declare.
10256 (omp_clause_operand_check_failed): Declare.
10257 (omp_clause_range_check_failed): Declare.
10258 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10259 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10260 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10261 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10262 (OMP_CLAUSE_IF_EXPR): Likewise.
10263 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10264 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10265 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10266 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10267 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10268 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10269 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10270 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10271 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10272 (OMP_CLAUSE_CODE): Define.
10273 (OMP_CLAUSE_SET_CODE): Define.
10274 (OMP_CLAUSE_CODE): Define.
10275 (OMP_CLAUSE_OPERAND): Define.
10276 (struct tree_omp_clause): Declare.
10277 (union tree_node): Add field 'omp_clause'.
10278 * treestruct.def (TS_OMP_CLAUSE): Define.
10279 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10280 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10281 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10282 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10283 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10284 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10285 (OMP_CLAUSE): Define.
10286 * print-tree.c (print_node): Handle OMP_CLAUSE.
10287 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10288 * c-typeck.c: Likewise.
10289 * gimplify.c: Likewise.
10290 * c-omp.c: Likewise.
10291 * tree-nested.c: Likewise.
10292 * tree-inline.c: Likewise.
10293 * c-parser.c: Likewise.
10294 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10297 2006-01-25 Roger Sayle <roger@eyesopen.com>
10299 PR rtl-optimization/25703
10300 * combine.c (try_combine): Handle zero_extract and strict_low_part
10301 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10303 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10305 * global.c: Fix comment typos.
10307 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10310 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10311 Use output_addr_const instead of assemble_name.
10313 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10315 * Makefile.in (sched-vis.o): Update dependencies.
10316 * haifa-sched.c (sched_finish): Clear current_sched_info.
10317 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10318 (dump_flow_info): Call it.
10319 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10321 * basic-block.h (dump_bb_info): Declare.
10322 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10323 option, and apply options only for dump files whose TDF_RTL,
10324 TDF_TREE, or TDF_IPA bits match.
10325 * rtl.h: Declare new functions exported from sched-vis.c.
10326 * sched-vis.c: Enable also if scheduling is not used.
10327 (print_value): Print the mode of registers if not inside scheduling.
10328 (print_insn): Make it work outside the scheduler. Beautify the output
10330 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10332 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10334 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10335 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10336 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10337 depending on the value of CONSTANT_POOL_ADDRESS_P.
10338 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10340 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10341 rather than SYMBOL_REF_DECL.
10342 (rtx_constant_pool): Remove const_rtx_sym_htab.
10343 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10344 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10345 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10346 Remove handling of const_rtx_sym_htab.
10347 (find_pool_constant): Delete.
10348 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10349 rather than find_pool_constant.
10350 (get_pool_constant_for_function): Delete.
10351 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10352 find_pool_constant.
10353 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10354 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10355 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10356 (SYMBOL_REF_CONSTANT): New macro.
10357 (get_pool_constant_for_function): Delete.
10358 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10359 rather than SYMBOL_REF_DECL.
10360 (i386_pe_mark_dllimport): Likewise.
10361 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10362 rather than SYMBOL_REF_DECL.
10363 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10364 (machopic_indirect_call_target): Likewise.
10366 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10368 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10370 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10372 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10374 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10376 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10378 2006-01-24 David Daney <ddaney@avtrex.com>
10381 * configure.ac (enable_tls): New enable option.
10382 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10383 * configure: Regenerate.
10384 * doc/install.texi (--enable-tls): Document new option.
10385 (--disable-tls): Ditto.
10387 2006-01-24 Richard Henderson <rth@redehat.com>
10389 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10390 * alias.c (true_dependence): Respect it.
10391 (canon_true_dependence, write_dependence_p): Likewise.
10392 * builtins.c (get_builtin_sync_mem): Set it.
10394 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10396 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10399 2006-01-24 DJ Delorie <dj@redhat.com>
10401 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10402 for storing constants in single-bit bitfields.
10404 2006-01-25 Ben Elliston <bje@au.ibm.com>
10406 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10408 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10411 * tree-ssa-pre.c (phi_translate): Return NULL
10412 for AGGREGATE_TYPE's.
10414 2006-01-24 Zack Weinberg <zackw@panix.com>
10416 * genautomata.c (process_state_for_insn_equiv_partition):
10417 Use xcalloc for insn_arcs_array.
10418 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10419 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10421 2006-01-24 Richard Henderson <rth@redhat.com>
10423 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10424 update all callers.
10426 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10428 PR rtl-optimization/25890
10429 PR rtl-optimization/25905
10430 * combine.c (expand_compound_operation, expand_field_assignment):
10431 Fail if the bitfield's final position is out of bounds.
10433 2006-01-24 Ian Lance Taylor <ian@airs.com>
10435 PR middle-end/25930
10436 * cgraphunit.c (cgraph_output_in_order): Don't clear
10437 cgraph_asm_nodes until after asm strings have been output.
10439 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10441 * fix-header.c (read_scan_file): Add new parameter imultilib when
10442 calling register_include_chains.
10444 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10446 * omp-low.c: Update documentation.
10448 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10449 Daniel Berlin <dberlin@dberlin.org>
10453 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10454 return from the function.
10456 2006-01-22 Zack Weinberg <zackw@panix.com>
10458 * rtl.def (match_code): Add second argument.
10459 * genpreds.c (write_extract_subexp): New function.
10460 (write_match_code): Add path argument. Use write_extract_subexp.
10461 (write_predicate_expr): Pass path to write_match_code.
10462 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10463 not perform a mode test.
10464 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10465 a subexpression does not constrain the top-level code set.
10466 * read-rtl.c (read_rtx_variadic): New function.
10467 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10468 * doc/md.texi: Document new notation.
10469 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10470 (cmpsi_operand): ... here, using new notation.
10472 2006-01-22 Zack Weinberg <zackw@panix.com>
10474 * varray.c: Remove GENERATOR_FILE #ifdefs.
10476 2006-01-22 Zack Weinberg <zackw@panix.com>
10478 * genautomata.c (output_reserved_units_table): Emit nothing if
10479 description->query_units_num is zero. Remove extra blank line.
10480 (output_cpu_unit_reservation_p): Short circuit
10481 if description->query_units_num is zero.
10483 2006-01-22 Zack Weinberg <zackw@panix.com>
10485 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10486 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10487 nor any of the random handful of variables that used to be necessary
10488 when this program was linked with rtlanal.o. Prune set of forward
10489 function declarations.
10490 (struct attr_desc): Remove static_p field.
10491 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10492 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10493 (attr_string): Do not read the character one past the length of
10495 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10496 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10497 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10498 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10499 (make_automaton_attrs): New.
10500 (main): Do not call into genautomata. Call local gen_bypass
10501 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10502 Remove special case for insn_alts.
10503 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10504 varray.h (leftover from previous change). Prune set of forward
10505 function declarations. Remove state_alts fields from all
10506 structures. Remove state_alts_table from struct automaton.
10507 Make everything except main static. Do not maintain num_dfa_decls.
10508 Do not maintain state_alts fields of various structures.
10509 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10510 (add_arc): Remove state_alts argument. All callers updated.
10511 (output_reserved_units_table): Emit #ifdef here...
10512 (output_tables): ...not here. Don't generate state_alts tables.
10513 (expand_automata): Don't generate attributes.
10514 (write_automata): Don't generate state_alts functions.
10515 (main): New function.
10516 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10517 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10518 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10519 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10520 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10521 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10522 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10523 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10525 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10526 * genattrtab.h: Delete file.
10527 * Makefile.in (OBJS-common): Add insn-automata.o.
10528 (insn-automata.o): New rule.
10529 (simple_generated_c): Add insn-automata.c.
10530 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10531 (genprogmd): Add automata.
10532 (build/genattrtab): Needs no extra objects nor libraries.
10533 (build/genautomata): Needs build/vec.o and -lm.
10535 2006-01-22 Zack Weinberg <zackw@panix.com>
10537 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10538 (output_dfa_max_issue_rate, locked_states_num): Delete.
10539 (struct automaton): Add locked_states field.
10540 (output_dead_lock_vect): Save number of locked states in
10541 automaton->locked_states. If it is zero, don't print anything.
10542 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10543 (output_internal_dead_lock_func): Only test the dead_lock_vect
10544 for automata that have locked states.
10545 (output_statistics): Always print the number of locked states for
10546 each automaton. Calculate total number of locked states here.
10547 (write_automata): Don't call output_dfa_max_issue_rate.
10548 * genattrtab.c: Define length_unit_log as a const variable.
10549 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10550 max_insn_queue_index const.
10551 * final.c (length_unit_log): Declare const.
10552 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10554 2006-01-22 Zack Weinberg <zackw@panix.com>
10556 * genautomata.c: Include vec.h, not varray.h.
10557 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10558 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10559 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10560 VEC_* macros operating on appropriately typed vectors, or to
10561 malloced arrays when the size is known in advance. Const-ify
10562 many char* variables and function arguments. No functional changes.
10563 * Makefile.in (build/varray.o): Delete rule.
10564 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10565 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10567 2006-01-22 Zack Weinberg <zackw@panix.com>
10569 * gensupport.c: Define get_insn_name and record_insn_name here.
10570 (read_md_rtx): Call record_insn_name as appropriate.
10571 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10572 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10573 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10575 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10576 (BUILD_VARRAY): Delete.
10577 (genprognormal): Rename genprogmd. Fold in all programs from
10578 genprognoprint; also attrtab.
10579 (build/genattrtab): Just mention genautomata.o and varray.o.
10580 Reorganize a bit, add comments to make the categories clearer.
10582 2006-01-22 Zack Weinberg <zackw@panix.com>
10584 * genconditions.c (condition_table, add_condition): Delete.
10585 (write_conditions): Don't emit n_insn_conditions nor
10586 insn_elision_unavailable. Issue the gcc version #ifdef here,
10587 inside the table, with no #else clause ...
10588 (write_header): ...not here.
10589 (write_writer): New function.
10590 (main): Don't initialize condition_table. Use add_c_test.
10592 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10593 files on the command line.
10594 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10595 Return -1 if there is no entry in the table, don't abort.
10596 (add_c_test, traverse_c_tests): New functions.
10597 * gensupport.h (insn_elision_unavailable, insn_conditions)
10598 (n_insn_conditions): Delete declarations.
10599 (add_c_test, traverse_c_tests): Declare.
10600 * read-rtl.c: Include gensupport.h.
10601 (read_conditions): New function.
10602 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10603 (read_rtx_1): If we get EOF when we were looking for an initial
10604 open paren, return 0. Call read_conditions when appropriate.
10605 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10606 dummy-conditions.o. Eliminate references to insn-conditions.o,
10607 or change them to build/gencondmd.o, as appropriate. Remove
10608 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10609 from $(simple_generated_c). For all files remaining in those
10610 two lists, add insn-conditions.md to the generator command line.
10611 Give insn-constants.h/s-constants their own rules. Add rules
10612 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10613 (build/read-rtl.o): Depend on gensupport.h.
10614 (genprognormal): Include preds.
10615 (genprogearly): Rename genprognoprint; only difference is now that
10616 they don't link with $(BUILD_PRINT).
10617 * dummy-conditions.c: Delete.
10619 2006-01-22 Zack Weinberg <zackw@panix.com>
10621 * genextract.c: Don't include insn-config.h. Do include vec.h.
10622 Declare vectors of int, char, and locstr.
10623 (locstr): New typedef.
10624 (struct extraction): Make all array fields into bare pointers.
10625 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10626 (insn_code_number): Delete.
10627 (accum_extract): New struct.
10628 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10629 (gen_insn): Take insn_code_number as an argument. Use an
10630 accum_extract structure instead of loading data directly into
10631 a struct extraction, and having to know how big it might get.
10632 (walk_rtx): Operate entirely on an accum_extract structure.
10633 (print_path): Avoid unnecessary use of printf.
10634 (print_header): New function, split out of main. Distinguish
10635 more carefully between an unrecognizable insn and an insn that
10636 has the code number of a define_expand.
10637 (main): Pass insn_code_number to gen_insn. Call print_header
10638 only after parsing. Avoid unnecessary use of printf.
10639 * Makefile.in (build/vec.o): New rule.
10640 (build/genextract): Depend on build/vec.o.
10641 (build/genextract.o): Don't depend on insn-config.h.
10643 2006-01-22 Zack Weinberg <zackw@panix.com>
10645 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10646 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10647 practical. Eliminate per-generator-program link rules.
10649 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10651 PR middle-end/24437
10652 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10653 with a call expr to ...
10654 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10656 2006-01-23 Richard Guenther <rguenther@suse.de>
10658 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10659 before make_edge with conditional EDGE_TRUE_VALUE.
10661 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10662 Jan Hubicka <jh@suse.cz>
10663 Richard Guenther <rguenther@suse.de>
10665 PR rtl-optimization/25654
10666 * cfgexpand.c (aggregate_contains_union_type): New function.
10667 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10668 for structure variables that contain a union type.
10670 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10672 * gengtype.c (new_structure): Return the structure.
10673 (create_option): Add an extra "next" argument.
10674 (create_field): New function.
10675 (adjust_field_rtx_def): Use create_option and create_field.
10676 Remove a now-unnecessary call to find_structure.
10677 (adjust_field_tree_def): Likewise.
10678 (note_yacc_type): Remove an unnecessary call to find_structure.
10679 * gengtype.h (new_structure): Return the structure.
10680 (create_option): Add an extra argument.
10681 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10682 (option): Adjust calls to create_option.
10684 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10686 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10688 2006-01-22 Paul Brook <paul@codesourcery.com>
10689 Peter Barada <peter@the-baradas.com>
10691 * config/m68k/m68k.md: Add Coldfire FPU support.
10692 Define FP mode macro and associated attributes.
10693 Use it for float mode patterns.
10694 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10695 (LIBCALL_VALUE): Use m68k_libcall_value.
10696 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10697 (m68k_function_value): Ditto.
10698 (emit_move_sequence): Ditto.
10699 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10700 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10701 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10702 (MULTILIB_EXCEPTIONS): Ditto.
10703 * config/m68k/m68k.opt: Add mcfv4e.
10704 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10705 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10706 (m68k_output_function_prologue): Save ColdFire FPU registers.
10707 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10708 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10709 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10710 ColdFire FPU registers.
10711 (m68k_libcall_value, m68k_function_value): New functions.
10712 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10713 (LIBCALL_VALUE): Use m68k_libcall_value.
10714 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10715 (MASK_COLDFIRE): Add MASK_CFV4E.
10716 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10717 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10718 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10719 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10720 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10721 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10722 * doc/invoke.tex: Document -mcfv4e on m68k.
10724 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10726 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10729 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10732 * c-opts.c (c_common_handle_option): Don't include
10733 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10734 * doc/invoke.texi (C++ Dialect Options): Document that
10735 -Wnon-virtual-dtor is no longer included in -Wall.
10737 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10739 * gcov.c (print_version), gcov-dump.c (print_version),
10740 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10743 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10745 * df-scan.c (problem_SCAN): Added NULL reset function.
10746 (df_scan_reset_blocks): Added code to call reset block function
10747 (df_bb_refs_delete) Fixed comment.
10748 (df_insn_refs_delete): Made tolerant of deleting non existent info
10749 for dataflow problems that need to be reset.
10750 * df-core.c (df_set_blocks): Ditto.
10751 * df.h (struct df_problem): Added reset_fun.
10752 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10753 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10754 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10755 functions to clear out all references to def-use or use-def chains.
10757 2006-01-21 Ben Elliston <bje@au.ibm.com>
10759 * varasm.c (assemble_real): Initialise data array.
10761 2006-01-20 Paul Brook <paul@codesourcery.com>
10763 Merge from csl-arm-branch.
10764 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10765 * config/arm/arm.md (movdi): Force operands[1] to a register
10766 if we have a non-register source.
10767 (*arm_movdi, *movdf_soft_insn): Require that one of the
10768 operands be a register.
10769 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10770 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10772 2006-01-20 DJ Delorie <dj@redhat.com>
10774 * varasm.c (initializer_constant_valid_p): Allow pointers
10775 initialized from integer constants of lesser precision.
10776 (output_constant): Allow non-int-sized pointer modes to be
10777 initialized from integer constants.
10779 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10782 * cppdefault.h (struct default_include): Add multilib flag.
10783 * cppdefault.c (cpp_include_defaults): Set it.
10784 * c.opt (-imultilib): New option.
10785 * c-opts.c (imultilib): New.
10786 (c_common_handle_option): Handle -imultilib.
10787 (c_common_post_options): Likewise.
10788 * c-incpath.c (add_standard_paths, register_include_chains):
10790 * c-incpath.h (register_include_chains): Add extra parameter.
10791 * gcc.c (do_spec_1): Generate -imultilib option.
10792 (The Specs Language): Update %I description.
10793 (process_command): Update copyright notice.
10794 * doc/cppopts.texi (-imultilib): Document.
10795 * doc/invoke.texi (-imultilib): Include in option summary.
10796 (%I): Update specs documentation.
10798 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10800 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10802 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10804 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10807 2006-01-20 Richard Guenther <rguenther@suse.de>
10808 Steven Bosscher <stevenb.gcc@gmail.com>
10810 PR rtl-optimization/24626
10811 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10812 EDGE_TRUE_VALUE if in RTL mode.
10815 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10816 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10818 2006-01-20 Dirk Mueller <dmueller@suse.com>
10821 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10822 instead of a special NOP marker.
10823 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10824 NOP marker handling.
10825 * c-common.h (empty_body_warning): Add forward declaration.
10826 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10827 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10829 2006-01-20 Paul Brook <paul@codesourcery.com>
10831 * Makefile.in (lang_checks): Keep going if mkdir fails.
10833 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10835 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10836 be able to clean out basic block when not necessary.
10837 (df_scan_free): Fixed to properly delete information if df is
10838 unused before calling df_finish.
10839 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10840 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10842 (df_bb_refs_delete): New function.
10843 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10844 * df-core.c (df_set_blocks): Added code to properly clean out
10845 unused blocks if they are not part of the blocks to consider.
10846 Added additional null check.
10847 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10848 be able to clean out basic block when not necessary
10849 * df.h (df_free_bb_function): Ditto.
10850 (df_bb_refs_delete): New function.
10851 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10852 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10853 basic block parameter to be able to clean out basic block when not
10855 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10856 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10857 Fixed to properly delete information if df is unused before
10860 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10862 PR rtl-optimization/25799
10863 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10864 Corrected confluence operator to remove bits from op2 before oring
10865 with op1 rather than removing bits from op1.
10866 (df_ru_transfer_function): Corrected test on wrong bitmap which
10867 caused infinite loop. Both of these problems were introduced in
10868 the dataflow rewrite.
10870 2006-01-19 DJ Delorie <dj@redhat.com>
10872 * reload1.c (find_reload_regs): Note the details of reload
10873 failures in the dump file.
10874 (spill_failure): Likewise.
10876 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10878 * loop-iv.c: Include df.h and hashtab.h.
10879 (enum iv_grd_result): New enum.
10880 (DF_REF_IV, DF_REF_IV_SET): New macros.
10881 (struct biv_entry): New.
10882 (df, bivs): New global variables.
10883 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10884 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10886 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10887 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10888 analyzed_for_bivness_p, record_biv): New functions.
10889 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10890 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10891 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10893 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10895 (iv_number_of_iterations): Use new interface to iv analysis.
10896 * loop-unroll.c: Do not include varray.h.
10897 (analyze_iv_to_split_insn): Use new interface to iv
10899 * loop-unswitch.c (may_unswitch_on): Ditto.
10900 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10902 (df_bb_modify): Realloc tables to the new index.
10903 (df_find_use): New function.
10904 * df.h (df_find_use): Declare.
10905 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10907 * cfgloop.h (struct rtx_iv): Remove analysed field.
10908 (iv_get_reaching_def): Removed.
10909 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10910 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10911 (loop-iv.o): Add df.h and hashtab.h dependency.
10912 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10914 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10917 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10919 (__floatundisf, __floatundidf): Likewise.
10920 * libgcc2.h (IS_IBM_EXTENDED): Define.
10922 2006-01-19 DJ Delorie <dj@redhat.com>
10924 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10926 2006-01-19 Paul Brook <paul@codesourcery.com>
10928 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10929 as nothrow when unwinding tables are disabled.
10931 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10934 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10935 of bit-field" when in system header.
10937 2006-01-19 DJ Delorie <dj@redhat.com>
10939 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10940 the 16 bit shift limit of the m16c.
10942 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10945 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10946 * config/i386/i386.c (output_set_got): Output the label if we have one
10947 for the TARGET_DEEP_BRANCH_PREDICTION case.
10949 2006-01-19 Jan Hubicka <jh@suse.cz>
10950 H.J. Lu <hongjiu.lu@intel.com>
10951 Evandro Menezes <evandro.menezes@amd.com>
10953 * invoke.texi (generic): Document
10955 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10956 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10957 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10958 (x86_use_incdec, x86_pad_returns): New variables
10959 (TARGET_CPU_DEFAULT_generic): New constant
10960 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10961 (enum processor_type): Add generic32 and generic64.
10962 * i386.md (cpu attribute): Add generic32/generic64
10963 (movhi splitter): Behave sanely when both partial_reg_dependency and
10964 partial_reg_stall are set.
10965 (K8 splitters): Enable for generic as well.
10966 * predicates.md (incdec_operand): Use TARGET_INCDEC
10967 (aligned_operand): Avoid memory mismatch stalls.
10968 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10969 * ppro.md: Enable for generic32
10970 * i386.c (generic64_cost, generic32_cost): New.
10971 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10972 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10973 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10974 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10975 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10976 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10977 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10978 x86_accumulate_outgoing_args, x86_prologue_using_move,
10979 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10980 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10981 Enable for generic.
10982 (x86_use_incdec, x86_pad_returns): New.
10983 (override_options): Add generic32 and generic64, translate "generic"
10984 to generic32/generic64 and "i686" to "generic32", refuse
10985 "generic32"/"generic64" as arch target.
10986 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10987 (ix86_reorg): Honor PAD_RETURNS.
10989 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10991 * tree-pretty-print.c (dump_generic_node): Handle
10992 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10993 * cgraph.c (cgraph_expand_queue): Rename from
10994 cgraph_analyze_queue. Update all users.
10995 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10996 cgraph_expand_queue.
10997 (cgraph_expand_all_functions): Likewise.
10998 (cgraph_finalize_pending_functions): Remove. Update callers.
11000 * tree.h (OMP_DIRECTIVE_P): Define.
11001 (OMP_PARALLEL_FN): Define.
11002 (OMP_PARALLEL_DATA_ARG): Define.
11003 (OMP_SECTIONS_SECTIONS): Define.
11004 * tree-pass.h (pass_expand_omp): Declare.
11005 * omp-low.c (struct omp_region): Declare.
11006 (struct omp_context): Remove fields 'parallel_type',
11007 'parallel_start_ix' and 'parallel_start_additional_args'.
11009 (struct omp_for_data): Rename from struct expand_omp_for_data.
11010 (omp_regions): New static variable.
11011 (root_omp_region): New static variable.
11012 (find_omp_clause): Make static.
11013 (is_in_combined_parallel_ctx): Remove.
11014 (is_combined_parallel): New.
11015 (extract_omp_for_data): Move earlier in the file.
11016 (workshare_safe_to_combine_p): New.
11017 (get_ws_args_for): New.
11018 (determine_parallel_type): Move earlier in the file.
11019 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11021 (omp_copy_decl): Likewise.
11022 (create_omp_child_function): Likewise.
11023 (lookup_omp_region): New.
11024 (dump_omp_region): New.
11025 (debug_omp_region): New.
11026 (debug_all_omp_regions): New.
11027 (new_omp_region): New.
11028 (scan_omp_parallel): If parallel_nesting_level > 1, the
11029 directive is nested within another parallel directive.
11030 Set OMP_PARALLEL_FN.
11031 (scan_omp_for): Do not try to handle combined parallel+for
11033 Remove FIXME comment.
11034 (scan_omp_nested): Remove.
11035 (scan_omp_1): Do not call scan_omp_nested when
11036 parallel_nesting_level is > 1.
11037 Do not change the DECL_CONTEXT of local variables found.
11038 (lookup_decl_in_outer_ctx): New.
11039 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11040 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11041 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11042 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11043 If CTX is nested, lookup VAR in the outer context when
11044 building copy assignment.
11045 (lower_send_clauses): Rename from expand_send_clauses.
11046 If CTX is nested, lookup VAR in the outer context when
11047 building copy assignments.
11048 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11049 If CTX is nested, lookup VAR in the outer context when
11050 building copy assignments.
11051 (expand_parallel_call): Rename from build_parallel_call.
11052 Handle combined parallel+workshare cases.
11053 Re-implement to emit code into the CFG.
11055 (expand_omp_parallel): Re-implement to emit code into the CFG.
11056 Call move_sese_region_to_fn to outline the sub-graph
11057 containing the parallel region.
11058 (expand_omp_for_1): Remove.
11059 (expand_omp_for_generic): Re-implement to emit code into the
11061 (expand_omp_for_static_nochunk): Likewise.
11062 (expand_omp_for_static_chunk): Likewise.
11063 (expand_omp_for): Likewise.
11064 (expand_omp_sections): Likewise.
11065 (remove_exit_barriers): New.
11066 (expand_omp_synch): New.
11068 (build_omp_regions_1): New.
11069 (build_omp_regions): New.
11070 (execute_expand_omp): New.
11071 (gate_expand_omp): New.
11072 (pass_expand_omp): Define.
11073 (lower_omp_sections): Rename from expand_omp_sections.
11074 Set OMP_SECTIONS_SECTIONS.
11075 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11076 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11077 (lower_omp_single): Rename from expand_omp_simple.
11078 (lower_omp_master): Rename from expand_omp_master.
11079 (lower_omp_ordered): Rename from expand_omp_ordered.
11080 (lower_omp_critical): Rename from expand_omp_critical.
11081 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11082 (lower_omp_for): Re-implement.
11083 (lower_omp_parallel): Re-implement.
11084 (lower_regimplify): Rename from expand_regimplify.
11085 (lower_omp_1): Rename from expand_omp_1.
11086 If there are syntax errors in the program, replace every
11087 OpenMP directive with NOP.
11088 Call lower_omp_* instead of expand_omp_*.
11089 (lower_omp): Rename from expand_omp.
11091 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11092 * tree-gimple.h (enum omp_parallel_type): Remove.
11093 (gimple_boolify): Declare extern.
11094 (find_omp_clause, determine_parallel_type): Remove.
11096 * gimple-low.c (lower_omp_directive): New.
11097 (lower_stmt): Call it.
11098 (record_vars_into): Move from ...
11099 (record_vars): ... here.
11100 Call record_vars_into with current_function_decl.
11102 * gimplify.c (struct gimplify_ctx): Remove fields
11103 combined_pre_p and combined_ctxp. Update users.
11104 (get_formal_tmp_var): Add documentation.
11105 (gimple_boolify): Make extern.
11106 (gimplify_expr_in_ctx): Remove. Update callers.
11107 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11108 will always be a BIND_EXPR.
11109 (gimplify_expr): Handle OMP_RETURN_EXPR.
11110 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11111 (OMP_PARALLEL): Add 3 operands.
11112 (OMP_SECTIONS): Add 1 operand.
11113 (OMP_RETURN_EXPR): Define.
11115 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11116 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11117 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11118 creating a circular free list.
11119 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11121 * tree-flow.h (move_sese_region_to_fn): Declare.
11122 (record_vars_into): Declare.
11123 * tree-cfg.c (make_omp_sections_edges): New.
11124 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11125 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11126 OMP_SECTIONS and OMP_SECTION.
11127 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11128 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11129 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11130 (gather_blocks_in_sese_region): New.
11131 (struct move_stmt_d): Declare.
11132 (move_stmt_r): New.
11133 (move_block_to_fn): New.
11134 (move_sese_region_to_fn): New.
11136 * passes.c (init_optimization_passes): Schedule
11137 pass_expand_omp after pass_init_datastructures.
11139 * tree-ssa-operands.c (get_expr_operands): Handle
11140 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11141 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11143 2006-01-19 Jeff Law <law@redhat.com>
11145 * tree-vrp.c (extract_range_from_assert): Refine the result range
11146 if the variable referenced by the ASSERT_EXPR has a range and
11147 either the tentative result range or the previous range is a
11150 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11152 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11154 2006-01-19 Jan Hubicka <jh@suse.cz>
11156 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11158 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11160 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11161 (expand_compound_operation, expand_field_assignment): Fail if the
11162 bit lengths of an extract operation are out of range.
11163 (make_extraction): Compute wanted_inner_mode based on the position
11164 and length of the extraction. Make it extraction_mode for non-constant
11165 positions, and do not modify offset in that case. When generating a
11166 new MEM, use a mode that can hold the extraction while keeping correct
11167 alignment. Remove code that supported MEMs wrapped by USEs.
11168 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11170 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11172 * config/s390/s390.md ("Y", "y"): New mode attribute.
11173 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11174 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11175 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11176 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11177 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11178 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11179 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11180 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11181 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11182 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11183 "addsi3", "subsi3"): Insn patterns removed.
11184 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11185 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11186 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11187 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11188 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11189 "*sub<mode>3_cconly2"): New insn patterns.
11190 ("addsi3", "subsi3"): New expanders.
11192 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11194 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11195 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11196 existing STMT_VINFO_VECTYPE if available.
11197 (vect_mark_relevant): Add special handling for stmts that are
11198 marked as STMT_VINFO_IN_PATTERN_P.
11199 (vect_analyze_loop): Call vect_pattern_recog.
11200 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11201 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11203 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11204 (vect_recog_func_ptr): New function-pointer type.
11205 * tree-vect-patterns.c: New file.
11206 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11207 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11208 (vect_pattern_recog_1): New functions.
11209 (vect_pattern_recog_funcs): New array of function pointers.
11211 * tree-vectorizer.h (ternary_op): New enum value.
11212 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11213 declaration. Revised documentation. Removed redundant dump prints.
11214 Removed redundant argument. Added support for reduction patterns.
11215 (vectorizable_reduction): Added support for reduction patterns.
11216 (vect_transform_stmt): Added support for patterns.
11218 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11219 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11220 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11221 (expand_widen_pattern_expr): New function.
11222 (init_optabs): Initialize new optabs udot_prod_optab,
11224 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11225 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11226 (expand_widen_pattern_expr): New function declaration.
11227 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11229 * tree-inline.c (estimate_num_insns_1): Added cases for new
11230 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11231 * tree-pretty-print.c (dump_generic_node): Likewise.
11232 (op_prio): Likewise.
11233 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11234 * tree-ssa-operands.c (get_expr_operands): Added case for
11236 * tree-vect-patterns.c (widened_name_p): New function.
11237 (vect_recog_dot_prod_pattern): Added function implementation.
11238 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11239 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11240 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11241 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11243 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11244 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11245 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11246 (init_optabs): Initialize new optabs widen_ssum_optab,
11248 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11249 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11250 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11251 use instead of type of def.
11252 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11253 function implementation.
11254 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11255 widen_ssumv8hi): New.
11257 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11260 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11263 * c-decl.c (add_flexible_array_elts_to_size): New function.
11264 (finish_decl): Use it.
11266 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11268 * diagnostic.h: Include options.h.
11269 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11270 dependancies for diagnostic.h.
11271 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11273 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11275 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11276 (ssa_ro_call_cache_valid): Ditto.
11277 * tree-ssa-alias.c (sort_tags_by_id): New function.
11278 (init_transitive_clobber_worklist): Ditto.
11279 (add_to_worklist): Ditto.
11280 (mark_aliases_call_clobbered): Ditto.
11281 (compute_tag_properties): Ditto.
11282 (set_initial_properties): Ditto.
11283 (compute_call_clobbered): Ditto.
11284 (compute_may_aliases): Call compute_call_clobbered and grouping.
11285 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11286 (compute_flow_insensitive_aliasing): Grouping now happens in our
11288 (setup_pointers_and_addressables): Remove clobbering related code.
11289 (add_may_alias): Ditto.
11290 (replace_may_alias): Ditto.
11291 (get_nmt_for): Ditto.
11292 (create_global_var):
11293 (is_escape_site): Return an escape_type enumeration.
11294 * tree-flow-inline.h (is_call_clobbered): Global var does not
11295 imply call clobbered.
11296 (mark_call_clobbered): Take a reason for marking this. Remove
11297 marking of globalness, and cache invalidation.
11298 (clear_call_clobbered): Remove cache invalidation code.
11299 * tree-dfa.c (dump_variable): If details is on, dump the reason
11301 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11303 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11304 (struct var_ann_d): Ditto.
11305 (enum escape_type): New.
11306 (mark_call_clobbered): Adjust prototype.
11307 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11308 are never call clobbered.
11309 Record reasons for escaping.
11310 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11311 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11312 (ssa_ro_call_cache_valid): Ditto.
11313 (clobbered_v_may_defs): Ditto.
11314 (clobbered_vuses): Ditto.
11315 (ro_call_vuses): Ditto.
11316 (clobber_stats): New.
11317 (init_ssa_operands): Zero out clobber stats.
11318 (fini_ssa_operands): Print out clobber stats.
11319 (get_call_expr_operands): Pass callee fndecl to
11320 add_call_read_ops).
11321 (add_call_clobber_ops): Remove use of cache.
11322 Add use of PURE_CONST information.
11323 (add_call_read_ops): Remove use of cache.
11324 Add use of static not_read information.
11326 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11328 Introduce TLS descriptors for i386 and x86_64.
11329 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11330 (TARGET_ANY_GNU_TLS): New macro.
11331 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11332 (struct machine_function): Add tls_descriptor_call_expanded_p.
11333 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11334 (ix86_current_function_calls_tls_descriptor): Likewise.
11335 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11336 (override_options): Introduce gnu2 tls dialect.
11337 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11339 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11341 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11342 (ix86_init_machine_status): Initialize new field.
11343 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11344 (ix86_tls_module_base): New.
11345 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11346 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11347 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11348 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11349 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11350 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11351 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11352 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11353 * config/i386/predicates.md (tls_modbase_operand): New.
11354 (tp_or_register_operand): New.
11356 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11358 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11359 (look_for_address_of): Ditto.
11360 (ipa_init): Walk the function decls.
11361 (static_execute): Don't set readonly on FUNCTION_DECL's.
11363 2006-01-18 Roger Sayle <roger@eyesopen.com>
11365 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11366 for shifts where the source and destination registers are different.
11368 2006-01-18 Paul Brook <paul@codesourcery.com>
11370 Merge from csl-arm-branch.
11371 2005-03-14 Julian Brown <julian@codesourcery.com>
11372 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11373 (aeabi_llsl): Likewise.
11374 (ashrdi3): Likewise.
11375 (aeabi_lasr): Likewise.
11376 (lshrdi3): Likewise.
11377 (aeabi_llsr): Likewise.
11378 2005-03-10 Julian Brown <julian@codesourcery.com>
11379 * config.gcc: Disable shared libgcc for SymbianOS.
11380 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11382 2006-01-18 DJ Delorie <dj@redhat.com>
11384 * c-pragma.c (handle_pragma_diagnostic): New.
11385 (init_pragma): Register it.
11386 * doc/extend.texi: Document it.
11388 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11389 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11390 (diagnostic_context): Add classify_diagnostic[].
11391 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11392 as errors if they're overridden to DK_WARNING.
11393 (diagnostic_initialize): Initialize classify_diagnostic[].
11394 (diagnostic_set_kind_override): New.
11395 (diagnostic_report_diagnostic): Check for kind changes.
11396 * opts.c (common_handle_option): Take lang_mask. Update callers.
11397 Handle OPT_Werror_.
11398 * common.opt (Werror=): New.
11399 * doc/invoke.texi: Document -Werror=*
11401 2006-01-18 Jeff Law <law@redhat.com>
11403 * tree-vrp.c (test_for_singularity): Correct test for new
11404 min limit. Use operand_equal_p rather than pointer equality
11405 for testing if new min/max values are equal.
11407 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11408 using range information until after propagation and folding.
11410 2006-01-18 Richard Henderson <rth@redhat.com>
11411 Aldy Hernandez <aldyh@redhat.com>
11412 Jakub Jelinek <jakub@redhat.com>
11413 Diego Novillo <dnovillo@redhat.com>
11415 * omp-low.c: New file.
11416 * c-omp.c: New file.
11418 2006-01-18 Richard Henderson <rth@redhat.com>
11419 Jakub Jelinek <jakub@redhat.com>
11420 Diego Novillo <dnovillo@redhat.com>
11422 * doc/invoke.texi: Document -fopenmp.
11423 * tree-dump.h (debug_function): Declare.
11424 * hooks.c (hook_bool_tree_bool_false): New function.
11425 (hook_tree_tree_null): Remove.
11426 (hook_tree_tree_tree_null): New.
11427 * hooks.h: Update to match.
11428 * tree-pretty-print.c (debug_tree_chain): New.
11429 (print_generic_expr): Handle TDF_CHAIN.
11430 (dump_generic_node): Handle BLOCK.
11431 Do not abort with incomplete SWITCH_EXPRs.
11432 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11433 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11434 print space after directive name.
11435 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11436 Handle OMP_MASTER and OMP_ORDERED.
11437 Handle printing of OMP_BODY just in one place, goto
11438 dump_omp_body in the rest of OMP_* nodes that have
11440 Don't handle clause nodes here. Update omp statements to
11441 use dump_omp_clauses.
11442 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11443 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11444 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11445 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11446 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11447 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11448 Adjust output for GOMP_PARALLEL.
11449 (dump_omp_clauses): New.
11450 (print_declaration): Dump DECL_VALUE_EXPR.
11451 (op_symbol_1): Split out of op_symbol.
11452 (dumping_stmts): Remove. Update all users.
11453 * cgraph.c (cgraph_analyze_queue): New.
11454 (cgraph_add_new_function): New.
11455 * cgraph.h (cgraph_analyze_queue): Declare.
11456 (cgraph_add_new_function): Declare.
11457 (cgraph_lower_function): Remove.
11458 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11459 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11460 and TYPE_P nodes in its default clause.
11461 (empty_body_p): New.
11462 (tree_range_check_failed): New.
11463 (build5_stat): New.
11464 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11465 OMP_CLAUSE_REDUCTION_MERGE,
11466 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11467 OMP_CLAUSE_PRIVATE_DEBUG,
11468 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11469 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11470 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11471 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11472 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11473 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11474 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11475 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11476 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11477 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11478 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11479 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11480 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11481 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11482 (TREE_RANGE_CHECK): New.
11483 (empty_body_p): Declare.
11484 (enum omp_clause_default_kind): New.
11485 (build_string_literal): Declare.
11486 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11487 (build5_stat, build5): Declare.
11488 * tree-pass.h (TDF_CHAIN): Define.
11489 * tree-pass.h (PROP_gimple_lomp): Define.
11490 (pass_lower_omp): Declare.
11491 * diagnostic.h (debug_tree_chain): Declare.
11492 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11494 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11495 * builtins.c (build_string_literal): Make extern.
11496 * gcc.c (include_spec_function): New.
11497 (static_spec_functions): Add it.
11498 (main): Move load of libgomp.spec ...
11499 (LINK_COMMAND_SPEC): ... here.
11500 (link_gomp_spec): New.
11501 (static_specs): Include it.
11502 (LINK_COMMAND_SPEC): Add link_gomp.
11503 (GOMP_SELF_SPECS): New.
11504 (driver_self_specs): Include it.
11505 (switch_matches): Don't mark inline.
11506 (main): Load libgomp.spec.
11507 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11508 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11509 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11510 * tree-gimple.h (enum omp_parallel): Declare.
11511 (determine_parallel_type): Declare.
11512 (omp_firstprivatize_variable): Declare.
11513 (omp_reduction_init): Declare.
11514 (diagnose_omp_structured_block_errors): Declare.
11515 (struct walk_stmt_info): Add want_return_expr.
11516 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11517 (find_omp_clause): Declare.
11518 (insert_field_into_struct): Declare.
11519 (struct walk_stmt_info): Move from tree-nested.c
11520 (walk_stmts): Declare.
11521 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11523 * cgraphunit.c (cgraph_lower_function): Make static.
11524 (cgraph_finalize_pending_functions): New.
11525 (cgraph_finalize_function): Call it.
11526 (cgraph_finalize_compilation_unit): Likewise.
11527 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11528 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11529 (BT_FN_UINT_UINT): New.
11530 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11531 DEF_FUNCTION_TYPE_VAR_4): Document.
11532 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11533 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11534 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11535 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11536 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11537 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11538 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11539 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11540 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11541 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11542 into separate files.
11543 (DEF_GOMP_BUILTIN): New.
11544 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11545 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11546 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11547 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11548 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11549 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11550 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11551 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11552 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11553 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11554 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11555 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11556 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11557 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11558 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11559 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11560 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11561 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11562 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11563 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11564 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11565 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11566 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11567 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11568 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11569 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11570 * sync-builtins.def: New file, moved from builtins.def.
11571 * omp-builtins.def: New file, moved from builtins.def.
11572 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11573 * gimple-low.c (lower_function_body): Clear data.
11574 (lower_stmt): Do not handle COMPOUND_EXPR.
11575 Remove call to print_node_brief.
11576 * c-tree.h (c_finish_omp_clauses): New prototype.
11577 (C_DECL_THREADPRIVATE_P): Define.
11578 (lookup_name_no_remap, c_omp_remap_private): Remove
11579 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11580 (check_for_loop_decls): Update decl.
11581 (lookup_name_no_remap, c_omp_remap_private): Declare.
11582 (build_indirect_ref, build_modify_expr, pushdecl,
11583 pushdecl_top_level): Move to c-common.h.
11584 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11585 before the switch, but just in the 2 places that need it.
11586 * c-decl.c (diagnose_mismatched_decls): Do not check for
11587 mismatched thread-local attributes when OLDDECL is marked
11588 threadprivate and NEWDECL has no thread-local attributes.
11589 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11590 (c_gimple_diagnostics_recursively): Rename from
11591 c_warn_unused_result_recursively. Invoke
11592 diagnose_omp_structured_block_errors.
11593 (check_for_loop_decls): Return a singular decl found.
11594 * langhooks.c (lhd_omp_predetermined_sharing): Return
11595 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11596 (lhd_omp_firstprivatize_type_sizes): New.
11597 (lhd_omp_assignment): New.
11598 (lhd_omp_predetermined_sharing): New.
11599 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11600 (struct lang_hooks_for_types): Add
11601 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11602 omp_predetermined_sharing, omp_disregard_value_expr,
11603 omp_private_debug_clause, omp_clause_default_ctor,
11604 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11605 (c_finish_omp_clauses): New.
11606 (c_finish_bc_stmt): Diagnose break within omp for.
11607 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11608 (build_unary_op): Return error_mark after reporting
11610 (build_modify_expr): Likewise.
11611 * gimplify.c: Include optabs.h and pointer-set.h.
11612 (enum gimplify_omp_var_data): Declare.
11613 (struct gimplify_omp_ctx): Declare.
11614 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11616 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11617 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11618 (splay_tree_compare_decl_uid): New.
11619 (new_omp_context): New.
11620 (delete_omp_context): New.
11621 (gimple_add_tmp_var): Call omp_add_variable.
11622 (gimplify_bind_expr): Likewise.
11623 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11624 true, disregard DECL_VALUE_EXPR on the decl if any.
11625 (gimplify_expr_in_ctx): New.
11626 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11627 omp_add_variable, omp_notice_variable, omp_is_private
11628 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11629 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11630 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11631 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11632 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11633 gimplify_omp_atomic): New.
11634 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11635 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11636 OMP_CRITICAL and OMP_ATOMIC.
11637 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11638 * c-pragma.h (enum pragma_kind): Add
11639 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11640 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11641 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11642 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11643 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11644 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11645 PRAGMA_OMP_THREADPRIVATE.
11646 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11647 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11648 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11649 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11650 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11651 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11652 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11653 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11654 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11655 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11656 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11657 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11658 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11660 (struct nesting_info): Add field_map,
11661 suppress_expansion, debug_var_chain.
11662 (create_nesting_tree): Initialize them.
11663 (lookup_field_for_decl): Use field_map.
11664 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11665 (convert_local_omp_clauses): New.
11666 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11667 (walk_body): Split out of walk_function.
11668 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11669 (convert_nonlocal_reference): Handle omp statements.
11670 (convert_local_reference): Likewise.
11671 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11672 (unnest_nesting_tree): New.
11673 (lower_nested_functions): Call it.
11674 (insert_field_into_struct): Make extern.
11675 (struct walk_stmt_info): Move to tree-gimple.h.
11676 (walk_stmts): Make extern.
11677 * omp-builtins.def: New file.
11678 * tree-iterator.c (expr_only): Clarify comment.
11679 * c-common.h (pushdecl_top_level, pushdecl,
11680 build_modify_expr, build_indirect_ref,
11681 c_finish_omp_master, c_finish_omp_critical,
11682 c_finish_omp_ordered, c_finish_omp_barrier,
11683 c_finish_omp_atomic, c_finish_omp_flush,
11684 c_finish_omp_for, c_split_parallel_clauses,
11685 omp_clause_default_kind, c_omp_sharing_predetermined,
11686 c_omp_remap_decl): Declare.
11687 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11688 (OBJS-common): Add omp-low.o.
11689 (c-omp.o, omp-low.o): Add.
11690 (gimplify.o): Add dependency on $(OPTABS_H).
11691 (GTFILES): Add omp-low.c.
11692 (gt-stringpool.h): Add.
11693 * tree-cfg.c (set_bb_for_stmt): Do not update the
11694 block-to-labels map if we are currently expanding to RTL.
11695 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11697 Handle IDENTIFIER_NODE.
11698 (tree_verify_flow_info): Do not ICE when emitting error
11699 messages about invalid labels.
11700 (dump_function_to_file): Reset CFUN before emitting the body
11702 (debug_function): New.
11703 * passes.c (init_optimization_passes): Schedule
11705 * langhooks-def.h (lhd_omp_predetermined_sharing,
11706 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11708 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11709 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11710 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11711 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11712 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11713 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11714 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11715 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11716 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11717 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11718 (LANG_HOOK_DECLS): Use them.
11720 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11721 Richard Henderson <rth@redhat.com>
11722 Jakub Jelinek <jakub@redhat.com>
11723 Diego Novillo <dnovillo@redhat.com>
11725 * c-parser.c (pragma_omp_clause): Define.
11726 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11727 (c_parser_compound_statement): Likewise.
11728 (c_parser_statement): Likewise.
11729 (c_parser_pragma): Handle omp pragmas.
11730 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11731 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11732 (c_parser_omp_clause_name, check_no_duplicate_clause,
11733 c_parser_omp_variable_list,
11734 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11735 c_parser_omp_clause_copyprivate,
11736 c_parser_omp_clause_default,
11737 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11738 c_parser_omp_clause_lastprivate,
11739 c_parser_omp_clause_nowait,
11740 c_parser_omp_clause_num_threads,
11741 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11742 c_parser_omp_clause_reduction,
11743 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11744 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11745 c_parser_omp_atomic, c_parser_omp_barrier,
11746 c_parser_omp_critical, c_parser_omp_flush,
11747 c_parser_omp_for_loop, c_parser_omp_for,
11748 c_parser_omp_master, c_parser_omp_ordered,
11749 c_parser_omp_sections_scope, c_parser_omp_sections,
11750 c_parser_omp_parallel, c_parser_omp_single,
11751 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11752 * c-pragma.c (init_pragma): Do omp pragma registration here.
11753 * c.opt (fopenmp): New flag.
11755 2006-01-18 Eric Christopher <echristo@apple.com>
11757 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11758 * config/darwin.h (GOMP_SELF_SPECS): Define.
11760 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11762 * rtl.h: Remove the prototype for reg_alloc.
11764 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11767 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11768 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11769 sjlj and dwarf2 exception handling.
11770 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11771 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11772 * pa/pa.c (function_value): Treat complex and vector types as
11774 (function_arg): Likewise. Only pass scalar floats in the floating
11775 point argument registers.
11776 * pa/t-slibgcc-dwarf-ver: New file.
11777 * pa/t-slibgcc-sjlj-ver: New file.
11778 * pa/t-slibgcc-elf-ver: Delete file.
11780 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11782 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11783 unlikely_test_section_p test.
11785 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11787 * mode-switching.c (optimize_mode_switching): Make it static.
11788 * basic-block.h: Remove the prototype for
11789 optimize_mode_switching.
11791 * modulo-sched.c (sms_schedule): Make it static.
11792 * rtl.h: Remove the prototype for sms_schedule.
11794 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11795 * rtl.h: Remove the prototype for gcse_after_reload_main.
11797 * reg-stack.c (reg_to_stack): Make it static.
11798 * rtl.h: Remove the prototype for reg_to_stack.
11800 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11802 * rtl.h: Remove the prototypes for regrename_optimize and
11803 copyprop_hardreg_forward.
11805 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11807 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11808 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11809 Test against the appropriate null constant for the mode.
11810 If 'fixup_overlap' is true, swap the operands if they overlap.
11811 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11812 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11813 alpha_split_tmode_pair and adjust for above change.
11814 * config/alpha/alpha.md (movtf_internal): Adjust call to
11815 alpha_split_tfmode_pair and rely on it to swap the operands.
11816 (movti_internal): New insn and post-reload splitter.
11817 (movti): New expander.
11819 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11821 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11824 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11826 * rtlanal.c (global_reg_mentioned_p_1,
11827 global_reg_mentioned_p): Remove.
11828 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11830 * flow.c (initialize_uninitialized_subregs): Make it static.
11831 * rtl.h: Remove the prototype for
11832 initialize_uninitialized_subregs.
11834 * function.c (instantiate_virtual_regs): Make it static.
11835 * function.h: Remove the prototype for
11836 instantiate_virtual_regs.
11838 * regmove.c (regmove_optimize, combine_stack_adjustments):
11840 * rtl.h: Remove the prototypes for regmove_optimize and
11841 combine_stack_adjustments.
11843 2006-01-17 Roger Sayle <roger@eyesopen.com>
11845 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11846 (size_cost): Encode costs in bytes so that a reg-reg addition is
11847 equivalent to COSTS_N_INSNS(1).
11848 (override_options): Use the size_cost.branch_cost as the default
11849 ix86_branch_cost when optimizing for size.
11851 2006-01-18 Ben Elliston <bje@au.ibm.com>
11853 * Makefile.in (D32PBIT_FUNCS): New.
11854 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11855 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11856 D64PBIT_FUNCS and D128PBIT_FUNCS.
11857 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11858 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11860 (decnumber_dep): Define.
11861 * doc/libgcc.texi (Decimal float library routines): New node.
11862 * config/dfp-bit.h, config/dfp-bit.c: New files.
11864 2006-01-18 Ben Elliston <bje@au.ibm.com>
11866 * expr.c (emit_move_change_mode): Always adjust addresses, not
11867 just during reload. Copy replacements only during reload.
11868 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11869 emit_move_via_integer.
11871 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11873 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11874 instead of $(srcdir) and ${srcdir}.
11876 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11879 PR middle-end/11135
11880 * arm.h (struct machine_function): Add pic_reg.
11881 * arm.c (arm_pic_register): Make unsigned.
11882 (arm_override_options): Only set arm_pic_register if
11883 TARGET_SINGLE_PIC_BASE.
11884 (use_return_insn): Only test for a pic register if it is fixed.
11885 (arm_compute_save_reg0_reg12_mask): Likewise.
11886 (thumb_compute_save_reg_mask): Likewise.
11887 (legitimate_pic_operand): Factor out some known invariants.
11888 (legitimize_pic_address): If we don't have a fixed pic register,
11889 then set up a pseudo in the function entry sequence. Handle the
11890 pic base being in a pseudo.
11891 (arm_load_pic_register): Handle the pic register being in a pseudo.
11892 (arm_expand_prologue): Only set up the pic register if it is fixed.
11893 (thumb_expand_prologue): Likewise.
11894 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11895 (pic_load_addr_based_insn): Likewise.
11896 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11899 2006-01-18 Ben Elliston <bje@au.ibm.com>
11901 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11902 decimal float modes for all floating point registers.
11904 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11905 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11907 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11910 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11911 even when the pointer is not NULL.
11913 2006-01-16 Ian Lance Taylor <ian@airs.com>
11915 * common.opt (ftoplevel-reorder): New option.
11916 * cgraph.c (cgraph_asm_nodes): New global variable.
11917 (cgraph_asm_last_node): New static variable.
11918 (cgraph_order): New global variable.
11919 (cgraph_create_node): Set new order field.
11920 (cgraph_varpool_node): Likewise.
11921 (decide_is_variable_needed): Return true if not
11922 flag_toplevel_reorder.
11923 (cgraph_add_asm_node): New function.
11924 * cgraph.h (struct cgraph_node): Add order field.
11925 (struct cgraph_varpool_node): Add order field.
11926 (struct cgraph_asm_node): Define.
11927 (cgraph_asm_nodes, cgraph_order): Declare.
11928 (cgraph_add_asm_node): Declare.
11929 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11931 (cgraph_varpool_assemble_pending_decls): Call it.
11932 (cgraph_output_pending_asms): New static function.
11933 (cgraph_finalize_compilation_unit): Call it.
11934 (struct cgraph_order_sort): Define.
11935 (cgraph_output_in_order): New static function.
11936 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11937 !flag_toplevel_reorder case.
11938 * c-parser.c: Include "cgraph.h".
11939 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11941 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11942 than -fno-unit-at-a-time.
11943 * doc/invoke.texi (Option Summary): Mention
11944 -fno-toplevel-reorder.
11945 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11946 -funit-at-a-time documentation.
11948 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11949 Kazu Hirata <kazu@codesourcery.com>
11951 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11953 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11955 * Makefile.in (FUNCTION_H): New. Use it instead of
11956 function.h throughout the file.
11957 * function.h: Include tree.h.
11959 2006-01-17 Ben Elliston <bje@au.ibm.com>
11961 * recog.c: Separate some functions with whitespace.
11963 2006-01-16 Richard Henderson <rth@redhat.com>
11965 Merge from gomp branch:
11966 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11967 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11968 and rename from struct inline_data. Rename callee* to dst*;
11969 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11970 transform_new_cfg, transform_return_to_modify, and
11971 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11973 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11974 (copy_decl_for_dup): Remove.
11975 * tree-inline.c (struct inline_data): Move to header.
11976 (insert_decl_map): Export.
11977 (remap_decl): Update for member name changes. Use copy_decl hook.
11978 Allow for replacement to be a non-decl. Remove dead code.
11979 (remap_type_1): Check for existing mapping.
11980 (remap_type): Export.
11981 (remap_decls): Update for member name changes.
11982 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11983 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11984 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11985 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11986 (tree_function_versioning, build_duplicate_type): Likewise.
11987 (copy_body_r): Likewise. Export.
11988 (copy_decl_for_dup): Split into ...
11989 (copy_decl_for_dup_finish, copy_decl_to_var,
11990 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11991 (replace_ref_tree, inlining_p): Remove.
11993 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11995 * ifcvt.c (if_convert): Make it static.
11996 * rtl.h: Remove the prototype for if_convert.
11998 * local-alloc.c (local_alloc): Make it static.
11999 * rtl.h: Remove the prototype for local_alloc.
12001 * loop.c (loop_optimize): Make it static.
12002 * cfgloop.h: Remove the prototype for loop_optimize.
12005 2006-01-16 DJ Delorie <dj@redhat.com>
12007 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12010 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12012 * pa.md: Disparage copies between general and floating-point registers
12013 in 32-bit move patterns.
12015 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12018 * Makefile.in (check-%): Depend on site.exp instead of
12019 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12022 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12024 * global.c (global_alloc): Make it static.
12025 * rtl.h: Remove the prototype for global_alloc.
12027 2006-01-16 Richard Guenther <rguenther@suse.de>
12029 * tree-ssa-alias.c (struct used_part): Add write_only field.
12030 (get_or_create_used_part_for): Initialize it to true.
12031 (create_overlap_variables_for): Don't create structure variables
12032 for structures that only are written to.
12033 (find_used_portions): Handle MODIFY_EXPR to track whether a
12034 structure is only written to.
12036 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12038 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12040 * basic-block.h: Remove the prototype for
12041 partition_hot_cold_basic_blocks.
12043 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12045 * cppspec.c (lang_specific_spec_functions): Remove.
12046 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12047 * gcc.h (lang_specific_spec_functions): Remove.
12048 * gccspec.c (lang_specific_spec_functions): Remove.
12050 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12052 * combine.c (record_value_for_reg): Invalidate registers
12054 (record_dead_and_set_regs_1): Likewise, by passing them to
12055 record_value_for_reg.
12056 (record_dead_and_set_regs): Invalidate stores made by a
12057 call. We do not combine across a call, but we still
12058 relied on equivalences.
12060 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12062 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12063 vrp_int_const_binop returning non-constant nodes.
12065 2006-01-16 Paul Brook <paul@codesourcery.com>
12067 * config/m68k/m68k.c (output_move_const_into_data_reg):
12068 Output correct mnemonic for mvz and mvs.
12070 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12072 * rtl-factoring.c: Add sequence abstraction algorithm.
12073 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12074 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12076 (block_has_preserve_label): New function.
12077 * common.opt: Register new pass.
12078 * Makefile.in: Ditto.
12080 * timevar.def: Ditto.
12081 * tree-pass.h: Ditto.
12082 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12083 * rtl.h (make_jump_insn_raw): Add forward decl.
12084 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12086 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12087 Roger Sayle <roger@eyesopen.com>
12089 * fold-const.c (fold_minmax): New static function.
12090 (fold_binary) <MIN_EXPR>: Call it.
12091 <MAX_EXPR>: Likewise.
12092 * stor-layout.c (place_field): Use DECL_SIZE consistently
12093 in the computation of the new record size.
12095 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12097 * cse.c (cse_condition_code_reg): Make it static.
12098 * rtl.h: Remove the prototype for cse_condition_code_reg.
12100 * combine.c (combine_instructions): Make it static.
12101 * rtl.h: Remove the prototype for combine_instructions.
12103 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12106 * tree.c (get_file_function_name_long): Concatenate the first global
12107 object name with a string derived from the input filename of the object
12110 2006-01-16 Ben Elliston <bje@au.ibm.com>
12112 * config/i386/winnt-stubs.c: Update FSF address.
12113 * config/xtensa/ieee754-df.S: Ditto.
12114 * config/xtensa/ieee754-sf.S: Ditto.
12116 2006-01-14 Ian Lance Taylor <ian@airs.com>
12118 * ifcvt.c (noce_init_if_info): New static function, broken out of
12119 noce_process_if_block.
12120 (noce_process_if_block): Call noce_init_if_info.
12121 (check_cond_move_block): New static function.
12122 (cond_move_process_if_block): New static function.
12123 (process_if_block): Call cond_move_process_if_block.
12125 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12127 * cselib.c (hash_table): Rename to cselib_hash_table.
12128 (cselib_clear_table, discard_useless_values,
12129 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12130 cselib_init, cselib_finish): Adjust uses of hash_table.
12132 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12134 PR tree-optimization/25485
12135 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12136 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12137 is known to be false and true, respectively.
12139 2006-01-14 Richard Guenther <rguenther@suse.de>
12141 PR tree-optimization/22548
12142 PR tree-optimization/22555
12143 PR tree-optimization/22501
12144 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12145 * params.def (salias-max-array-elements): New parameter.
12146 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12147 * doc/invoke.texi (salias-max-array-elements): Document.
12148 * tree-flow-inline.h (var_can_have_subvars): We also handle
12150 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12152 * tree-ssa-structalias.c (params.h): Include.
12153 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12154 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12155 (get_constraint_for): For ADDR_EXPR operating on something
12156 containing an ARRAY_REF, add all subvars to the solution.
12157 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12158 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12159 for creating MUST_DEFs.
12160 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12162 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12164 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12166 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12167 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12168 number_of_iterations_le): New functions.
12169 (number_of_iterations_special): Removed.
12170 (number_of_iterations_exit): Do not use number_of_iterations_special.
12171 * tree.c (unsigned_type_for): Always return integer type.
12173 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12174 Richard Guenther <rguenther@suse.de>
12176 PR rtl-optimization/24257
12177 * gcse.c (find_moveable_store): Only consider a store movable
12178 when the SET_SRC of the insn can be assigned to a register.
12180 2006-01-14 Ian Lance Taylor <ian@airs.com>
12182 * tree.c (tree_not_class_check_failed): New function.
12183 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12184 (tree_not_class_check_failed): Declare.
12186 2006-01-13 Ian Lance Taylor <ian@airs.com>
12188 * reload1.c (do_output_reload): Add assertion rejecting a
12191 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12193 * combine.c (struct reg_stat): Add new fields truncation_label and
12195 (record_value_for_reg): Reset truncated_to_mode.
12196 (record_truncated_value): New function.
12197 (check_promoted_subreg): Call it. Rename to check_conversions.
12198 (combine_instructions): Rename check_promoted_subreg to
12200 (reg_truncated_to_mode): New function.
12201 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12202 (gen_lowpart_or_truncate): New function.
12203 (force_to_mode): Use it instead of gen_lowpart.
12205 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12207 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12208 VAR is a tag, not its type tag.
12210 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12212 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12213 alternatives to match style of other entries.
12214 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12216 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12218 PR tree-optimization/25771
12219 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12222 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12225 * tree-inline.c (declare_return_variable): If the return variable
12226 was marked as a non gimple complex, set the return slot variable
12227 to be a non gimple comple variable.
12229 2006-01-13 Richard Guenther <rguenther@suse.de>
12231 * builtins.c (expand_builtin_sincos): New function.
12232 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12234 (expand_builtin): Expand sincos using expand_builtin_sincos.
12236 2006-01-12 DJ Delorie <dj@redhat.com>
12238 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12239 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12240 so that constant shifts can be split.
12241 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12242 (m32c_valid_pointer_mode): Make static.
12243 (shift_gen_func_for): New.
12244 (m32c_prepare_shift): Use it. Split large const shifts into
12246 * config/m32c/predicates.md (shiftcount_operand): Allow more
12248 (longshiftcount_operand): New.
12249 * doc/md.texi (Machine Constraints): Document In6.
12251 2006-01-13 Ben Elliston <bje@au.ibm.com>
12253 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12254 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12257 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12259 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12260 to try to avoid clobbering pieces of structures when we know
12261 something about the whole structure.
12262 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12264 2006-01-13 Ben Elliston <bje@au.ibm.com>
12266 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12267 return in memory, as this is no limitation is no longer present.
12269 2006-01-12 DJ Delorie <dj@redhat.com>
12271 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12272 mova with fb, and for fb+0 -> An.
12274 * config/m32c/mov.md (peephole2): Fix enabling logic.
12276 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12277 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12278 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12279 FINI_ARRAY_SECTION_ASM_OP): Define.
12281 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12283 (m32c_legitimize_reload_address): New logic to reload FB to An.
12284 (m32c_output_reg_push): Add newline.
12285 (m32c_output_reg_pop): Likewise.
12287 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12289 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12291 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12293 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12295 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12297 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12300 2006-01-11 Ben Elliston <bje@au.ibm.com>
12302 * rtlanal.c (find_reg_note): Assert insn is not null.
12304 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12306 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12309 2006-01-11 Jeff Law <law@redhat.com>
12311 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12313 (mark_threaded_blocks, register_jump_thread): New functions.
12314 (thread_through_all_blocks): Remove unwanted argument. No
12315 longer rely on e->aux to communicate thread target info.
12316 Call mark_threaded_blocks. Release the threaded_blocks
12317 bitmap and threaded_edges vector when complete.
12318 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12319 (threaded_blocks): Remove.
12320 (tree_ssa_dominator_optimize): Remove initialization and
12321 finalization of threaded_blocks. Simplify call to
12322 thread_through_all_blocks.
12323 (thread_across_edge): Call register_jump_thread rather than
12324 storing thread information into e->aux.
12325 (free_all_edge_infos): Simplify now that e->aux is no longer
12326 used to communicate with thread_through_all_blocks.
12327 * tree-flow.h (thread_through_all_blocks): Update prototype.
12328 (register_jump_thread): Prototype.
12330 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12332 * df-core.c (df_compact_blocks, df_bb_replace): Use
12333 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12335 2006-01-11 Richard Guenther <rguenther@suse.de>
12337 PR tree-optimization/25734
12338 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12339 stop propagation after successful propagation to the LHS.
12341 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12343 * basic-block.h (control_flow_graph): Change the type of
12344 x_basic_block_info to VEC(basic_block,gc) *.
12345 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12347 (SET_BASIC_BLOCK): New.
12348 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12349 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12350 * cfgbuild.c (find_basic_blocks): Likewise.
12351 * cfglayout.c (fixup_reorder_chain): Likewise.
12352 * cfgrtl.c (create_basic_block_structure,
12353 rtl_create_basic_block): Likewise.
12354 * ifcvt.c (find_if_case_1): Likewise.
12355 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12358 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12360 * Makefile.in: Removed rotted odf.c entry.
12362 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12365 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12366 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12367 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12368 output pattern modifier, not %e.
12369 * config/cris/cris.c (cris_op_str): Update comment about pattern
12371 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12372 before falling through into...
12373 <case 'E'>: Redefined from old 'e' case.
12375 2006-01-11 Jan Hubicka <jh@suse.cz>
12378 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12380 2006-01-11 Jan Hubicka <jh@suse.cz>
12382 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12383 * i386.c (x86_decompose_lea): Kill.
12384 (ix86_rtx_costs): Kill.
12386 2006-01-11 Jan Hubicka <jh@suse.cz>
12388 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12389 * cgraph.h (cgraph_node): Add inline_decl.
12390 (cgraph_insert_node_to_hashtable): Declare.
12391 (save_inline_function_body): Declare.
12392 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12394 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12395 (cgraph_function_versioning): Update call of tree_function_versioning.
12396 (save_inline_function_body): New function.
12397 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12398 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12399 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12400 (cgraph_default_inline_p): Likewise.
12401 (cgraph_decide_inlining_incrementally): Likewise.
12402 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12403 (copy_bb): Kill saving; do updating of clones.
12404 (copy_cfg_body): Kill saving.
12405 (initialize_inlined-parameters): Likewise.
12406 (expand_call_inline): Likewise.
12408 (tree_function_versioning): New parameter "update_clones".
12409 (inlining_p): Kill saving.
12410 * tree-inline.h (tree_function_versioning): Update prototype.
12411 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12414 2006-01-11 Ian Lance Taylor <ian@airs.com>
12416 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12417 Allow undoing set of machine mode.
12418 (do_SUBST): Use enums instead of is_int.
12419 (do_SUBST_MODE): New function.
12420 (SUBST_MODE): New macro.
12421 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12422 reg and trying to replace reg_regno_rtx with a new register.
12423 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12424 (simplify_set): Use SUBST_MODE.
12425 (distribute_notes): Remove code that tried to update reg notes
12426 for regno_reg_rtx changes.
12428 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12430 PR tree-optimization/23109
12431 PR tree-optimization/23948
12432 PR tree-optimization/24123
12434 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12435 * tree-cfg.c (single_noncomplex_succ): New.
12436 * tree-flow.h (single_noncomplex_succ): Declare it.
12437 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12438 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12439 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12440 insert_bb, register_division_in, insert_reciprocals,
12441 replace_reciprocal, free_bb): New.
12442 (execute_cse_reciprocals_1): Rewritten.
12443 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12444 Do not commit any edge insertion. Always compute dominators and
12445 create the allocation pool.
12446 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12447 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12448 * targhooks.c (default_min_divistions_for_recip_mul): New.
12449 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12450 * passes.c (init_optimization_passes): Run recip after tree loop
12452 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12454 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12455 Kenneth Zadeck <zadeck@naturalbridge.com>
12457 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12458 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12459 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12460 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12461 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12462 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12463 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12464 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12465 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12466 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12467 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12468 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12469 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12470 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12471 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12472 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12473 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12474 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12475 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12476 DF_SCAN_POST_ALLOC): New macros.
12477 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12478 df_free_bb_function, df_local_compute_function, df_init_function,
12479 df_dataflow_function, df_confluence_function_0,
12480 df_confluence_function_n, df_transfer_function,
12481 df_finalizer_function, df_free_function, df_dump_problem_function,
12482 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12483 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12484 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12485 df_urec_bb_info, ) New types.
12486 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12488 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12489 df_analyze_simple_change_some_blocks,
12490 df_analyze_simple_change_one_block, df_compact_blocks,
12491 df_bb_replace, df_bb_regno_last_use_find,
12492 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12493 df_insn_regno_def_p, df_find_def, df_find_use,
12494 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12495 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12496 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12497 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12498 debug_df_chain, df_get_dependent_problem, df_chain_create,
12499 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12500 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12501 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12502 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12503 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12504 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12505 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12506 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12507 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12508 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12509 df_reorganize_refs, df_set_state, df_hard_reg_init,
12510 df_read_modify_subreg_p) New public functions.
12511 * df-core.c: The core dataflow solver and glue routines for rtl
12513 (df_init, df_add_problem, df_set_blocks, df_finish,
12514 df_hybrid_search_forward, df_hybrid_search_backward,
12515 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12516 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12517 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12518 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12519 df_reg_defined, df_find_use, df_reg_used, df_dump,
12520 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12521 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12522 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12523 debug_df_useno, reset_df_after_reload): New functions.
12524 * df-scan.c: The scanning fuctions, once in df.c, completely
12525 rewritten so that they now fully model the functionality of
12526 register usage at the backend.
12527 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12528 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12529 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12530 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12531 df_get_artificial_defs, df_get_artificial_uses,
12532 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12533 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12534 df_refs_delete, df_reorganize_refs, df_set_state,
12535 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12536 df_def_record_1, df_defs_record, df_uses_record,
12537 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12538 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12539 df_record_exit_block_uses, df_hard_reg_init): New functions.
12541 * df-problems.c: Seven concrete dataflow problems that use the
12542 scanning in df-scan.c and are solved by the engine in df-core.c.
12543 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12544 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12545 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12546 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12547 df_ru_free_bb_info, df_ru_alloc,
12548 df_ru_bb_local_compute_process_def,
12549 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12550 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12551 df_ru_transfer_function, df_ru_free, df_ru_dump,
12552 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12553 df_rd_free_bb_info, df_rd_alloc,
12554 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12555 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12556 df_rd_transfer_function, df_rd_free, df_rd_dump,
12557 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12558 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12559 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12560 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12561 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12562 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12563 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12564 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12565 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12566 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12567 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12568 df_urec_mark_reg_use_for_earlyclobber,
12569 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12570 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12571 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12572 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12573 df_chain_create_bb_process_use, df_chain_create_bb,
12574 df_chain_finalize, df_chain_free, df_chains_dump,
12575 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12576 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12577 df_reg_lifetime): New functions.
12578 * df.c: Deleted file.
12579 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12580 consistent with new df api.
12581 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12582 rest_of_handle_sms): Ditto.
12583 * web.c (unionfind_union, union_defs, entry_register, web_main):
12585 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12586 invariant_expr_equal_p, find_defs, check_dependencies,
12587 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12588 free_inv_motion_data, move_loop_invariants): Ditto.
12589 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12590 Update dependencies.
12591 (odf.c): Added defective entry that was deleted later in day.
12592 * sched-deps.c (sched_analyze_1): Ditto.
12594 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12596 * tree-ssa-operands.c (get_expr_operands): Record addressable
12597 variables directly. Do not call add_stmt_operands for CONST_DECLs
12599 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12600 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12602 2006-01-11 Ben Elliston <bje@au.ibm.com>
12604 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12605 function returns true in the positive case.
12607 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12610 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12611 for SI, DI, SF and DF modes. Add alternatives to copy between
12612 general and floating point registers to the 32-bit patterns.
12613 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12614 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12615 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12616 generating 64-bit code.
12617 * config/pa/pa.c (output_move_double): Handle copies between general
12618 and floating registers.
12620 2006-01-10 Stuart Hastings <stuart@apple.com>
12622 * config/i386/i386.md (set_got): Update.
12623 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12624 (builtin_setjmp_receiver): Mach-O support.
12625 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12626 (GOT_SYMBOL_NAME): Define.
12627 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12628 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12629 * config/i386/i386.c (override_options): Revise for Darwin.
12630 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12631 support. (darwin_x86_file_end): New. (output_set_got): Add label
12632 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12633 * config/i386/i386-protos.h (output_set_got): Likewise.
12634 * config/darwin.c (machopic_legitimize_pic_address): Update
12637 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12639 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12640 when MODE isn't BLKmode.
12642 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12644 PR rtl-optimization/25367
12645 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12647 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12650 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12651 for a negative bound.
12653 2006-01-10 Richard Guenther <rguenther@suse.de>
12655 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12656 Never override with anything constraint.
12658 2006-01-10 Jan Beulich <jbeulich@novell.com>
12660 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12661 256 bits when optimize_size.
12663 2006-01-10 Jan Beulich <jbeulich@novell.com>
12665 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12667 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12668 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12671 2006-01-10 Ben Elliston <bje@au.ibm.com>
12673 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12675 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12676 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12677 (USE_FP_FOR_ARG): Reject decimal float modes.
12678 (function_arg_advance): Likewise.
12679 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12680 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12681 point types in AltiVec vectors.
12682 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12683 (rs6000_libcall_value): Likewise.
12685 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12687 * config/xtensa/ieee754-df.S: New file.
12688 * config/xtensa/ieee754-sf.S: New file.
12689 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12690 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12691 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12693 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12695 * config/sh/predicates.md (binary_float_operator,
12696 binary_logical_operator, commutative_float_operator,
12697 equality_comparison_operator, greater_comparison_operator,
12698 less_comparison_operator, logical_operator,
12699 noncommutative_float_operator, shift_operator,
12700 symbol_ref_operand, unary_float_operator): Remove redundant
12703 2006-01-09 Jeff Law <law@redhat.com>
12705 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12706 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12707 now unused arguments. Callers updated.
12708 (eliminate_redundant_computations): Remove now unused arguments,
12710 (local_fold): Remove, no longer used.
12711 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12713 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12714 (simplify_cond): New function.
12715 (forward_propagate_into_cond): Call simplify_cond.
12717 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12719 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12720 (*vec_extractv2di_1_sse): New.
12722 2006-01-09 Ben Elliston <bje@au.ibm.com>
12724 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12726 2006-01-08 Richard Guenther <rguenther@suse.de>
12728 * tree-ssa-structalias.c (get_constraint_for): Remove
12729 anyoffset argument.
12730 (get_constraint_for_component_ref): Likewise.
12731 (do_deref): Likewise.
12732 (get_constraint_for): Likewise.
12733 (do_structure_copy): Likewise.
12734 (handle_ptr_arith): Likewise.
12735 (find_func_aliases): Likewise. Remove unused need_anyoffset
12738 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12739 Kaz Kojima <kkojima@gcc.gnu.org>
12741 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12742 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12743 (EXTRA_CONSTRAINT_C16): Remove.
12744 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12745 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12746 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12747 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12748 constants of SHmedia. Handle nested constant expressions of
12750 (andcosts): Fix the costs for SHmedia constants.
12751 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12752 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12753 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12754 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12755 (movv4hi_i, movv2si_i): Likewise.
12756 (movsi_const): Adjust the second operand of ior so to match with
12757 the Csu constraint.
12758 (movdi_const, movdi_const_32bit): Likewise.
12759 (movdi_const_16bit+1): Don't sign-extend LOW.
12760 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12762 (*double_shori): Fix the split condition. Use GEN_INT instead
12763 of get_int_mode calls. Mask lower 16-bit of the argument of
12765 (sym2GOTPLT): Remove.
12766 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12768 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12769 instead of EXTRA_CONSTRAINT_C16.
12771 2006-01-07 Ian Lance Taylor <ian@airs.com>
12772 David Edelsohn <edelsohn@gnu.org>
12774 PR rtl-optimization/25662
12775 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12776 for constant operands instead of simplify_gen_binary.
12777 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12778 after trying simplify_binary_operation
12780 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12782 * tree.c (iterative_hash_expr): Hash decls based on UID.
12784 2006-01-06 Eric Christopher <echristo@apple.com>
12786 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12787 (TARGET_UNWIND_EMIT): Fix spelling.
12788 * target.h (gcc_target): Add except_table_label.
12789 * except.c (output_function_exception_table): Use.
12790 * varasm.c (default_emit_except_table_label): New.
12791 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12793 (asm_out): Add here.
12794 * output.h (default_emit_except_table_label): Prototype.
12795 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12796 * config/darwin.c (darwin_emit_except_table_label): Define.
12797 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12799 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12801 PR tree-optimization/18527
12802 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12803 number_of_iterations_special, number_of_iterations_exit):
12804 Move base and step of an iv to a single structure. Add
12805 no_overflow flag, and use it in # of iterations analysis.
12806 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12807 folded_casts argument.
12808 (simple_iv): Pass base and step in a structure. Set no_overflow
12810 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12811 Evaluate expensiveness of computing # of iterations instead of
12812 the final expression.
12813 * tree-scalar-evolution.h (affine_iv): New structure.
12814 (simple_iv): Declaration changed.
12815 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12816 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12817 find_givs_in_stmt): Changed due to simple_iv change.
12819 2006-01-06 Jeff Law <law@redhat.com>
12822 * tree-cfg.c (bsi_replace): Rename final argument from
12823 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12824 change (stmt -> orig_stmt).
12825 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12826 (bsi_remove): Add new argument. Remove EH information
12828 (verify_eh_throw_table_statements): New function.
12829 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12831 * tree-optimize.c (execute_free_cfg_annotations): Verify
12832 the EH throw statement table after removing annotations.
12833 * except.h (verify_eh_throw_table_statements): Prototype.
12834 * tree-flow.h (bsi_remove): Update prototype.
12835 * tree-vrp.c (remove_range_assertions): Add new argument to
12837 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12838 * tree-complex.c (expand_complex_div_wide): Likewise.
12839 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12840 * tree-tailcall.c (eliminate_tailcall): Likewise.
12841 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12842 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12843 * tree-nrv.c (tree_nrv): Likewise.
12844 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12845 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12846 (combine_blocks): Likewise.
12847 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12848 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12849 (cleanup_control_flow): Likewise.
12850 (remove_forwarder_block): Likewise.
12851 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12852 * tree-sra.c (sra_replace): Likewise.
12853 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12854 (forward_propagate_single_use_vars): Likewise.
12855 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12856 * tree-inline.c (expand_call_inline): Likewise.
12857 * tree-vect-transform.c (vect_transform_loop): Likewise.
12858 * tree-outof-ssa.c (rewrite_trees): Likewise.
12859 * tree-cfg.c (make_goto_expr_edges): Likewise.
12860 (cleanup_dead_labels): Likewise.
12861 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12862 (bsi_move_before, bsi_move_after): Likewise.
12863 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12864 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12866 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12869 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12871 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12872 on non gimple variables. Also add checks at the top for decls and
12874 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12876 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12877 and IMAGPART_EXPR for creating MUST_DEFs.
12878 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12879 and NAME_MEMORY_TAG separately from the DECLs.
12881 2006-01-06 Richard Guenther <rguenther@suse.de>
12883 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12884 annotation, if necessary.
12885 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12886 redundant calls to update_stmt.
12887 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12890 2006-01-05 Richard Henderson <rth@redhat.com>
12892 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12894 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12896 * c-typeck.c: Update copyright date.
12898 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12900 * c-typeck.c (build_c_cast): Always warn when casting
12901 from a pointer to an integer of different size, even if
12902 the node was constant.
12904 2006-01-05 Richard Guenther <rguenther@suse.de>
12906 PR tree-optimization/22555
12907 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12908 if one structure field is an array.
12909 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12910 operands even if we found a subvar, but ignore VOPs in this
12912 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12914 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12916 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12918 PR middle-end/24998
12919 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12921 2006-01-05 Richard Guenther <rguenther@suse.de>
12922 Diego Novillo <dnovillo@redhat.com>
12924 * tree-pass.h (TODO_remove_unused_locals): Define.
12925 * gimple-low.c (expand_var_p, remove_useless_vars,
12926 pass_remove_useless_vars): Remove. Update all users.
12927 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12928 (remove_unused_locals): New function.
12929 * tree-flow.h (remove_unused_locals): Declare.
12930 * passes.c (execute_todo): Call remove_unused_locals if
12931 TODO_remove_unused_locals is set.
12932 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12933 * tree-ssa-dce.c (pass_dce): Likewise.
12934 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12936 2006-01-05 Richard Guenther <rguenther@suse.de>
12938 * tree-flow.h (struct fieldoff): Decompose field to
12939 type, size and decl.
12940 * tree-ssa-alias.c (create_sft): Take type as parameter.
12941 (create_overlap_variables_for): Store type, size and decl
12942 in the fieldoff structure.
12943 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12944 of struct fieldoff.
12945 (push_fields_onto_fieldstack): Likewise.
12946 (create_variable_info_for): Likewise. Use offset for the
12947 SFT name if the decl is not available.
12949 2006-01-04 Paul Brook <paul@codesourcery.com>
12951 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12953 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12955 * lambda-code.c (can_put_in_inner_loop): Relax
12957 (can_put_after_inner_loop): New function.
12958 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12959 (perfect_nestify): Change to make copies and modify uses.
12961 2006-01-04 Richard Henderson <rth@redhat.com>
12963 Merge from gomp branch:
12964 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12965 via integer constant.
12966 (pragma_lex): Remove.
12967 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12968 rather than parsing it.
12969 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12970 handle_pragma_extern_prefix): Add %< %> quotes.
12971 (registered_pragmas): New.
12972 (c_register_pragma_1): New.
12973 (c_register_pragma): Use it.
12974 (c_register_pragma_with_expansion): Likewise.
12975 (c_invoke_pragma_handler): New.
12976 (init_pragma): Use cpp_register_deferred_pragma directly for
12978 * c-pragma.h (enum pragma_kind): New.
12979 (pragma_handler): New.
12980 (c_invoke_pragma_handler): Declare.
12981 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12983 * c-common.h (c_common_pch_pragma): Update decl.
12984 * Makefile.in (c-parser.o): Update dependencies.
12985 (GTFILES): Add c-pragma.h.
12986 * c-parser.c (struct c_token): Add pragma_kind.
12987 (struct c_parser): Add in_pragma.
12988 (c_lex_one_token): Always initialize keyword and pragma_kind.
12989 Extract data for CPP_PRAGMA.
12990 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12991 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12992 Don't allow CPP_PRAGMA_EOL if in_pragma.
12993 (c_parser_consume_pragma): New.
12994 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12995 (c_parser_skip_to_end_of_parameter): Likewise.
12996 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12997 (c_parser_skip_to_pragma_eol): New.
12998 (c_parser_external_declaration): Handle CPP_PRAGMA.
12999 (c_parser_compound_statement_nostart): Likewise.
13000 (c_parser_statement_after_labels): Likewise.
13001 (c_parser_pragma): New.
13002 (pragma_lex): Likewise.
13003 (c_parser_pragma_pch_preprocess): New.
13004 (c_parser_new): Merge into ...
13005 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13007 2006-01-04 Jeff Law <law@redhat.com>
13010 * tree-cfg.c (bsi_replace): Remove the original statement
13011 from the EH throw statement table.
13013 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13015 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13016 make the prototype extern "C" and add throw ().
13019 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13020 and pos non-negative and pos + len <= 32.
13021 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13022 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13023 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13026 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13027 as well as sizes not multiple of component size.
13030 * function.c (instantiate_expr): New function.
13031 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13032 walk its DECL_VALUE_EXPR with instantiate_expr.
13034 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13035 DW_OP_deref{,_size} if address isn't going to be added.
13037 2006-01-04 Ben Elliston <bje@au.ibm.com>
13039 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13040 * config/fp-bit.c: Likewise.
13042 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13044 * dominance.c: Add comment about why we use DFS numbering
13047 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13048 Richard Henderson <rth@redhat.com>
13050 Merge from gomp-branch:
13051 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13052 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13054 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13056 PR rtl-optimization/25578
13057 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13058 pass a parameter to simplify_shift_const if changing ASHIFTRT
13061 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13063 * builtins.c (get_builtin_sync_mem): New function.
13064 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13065 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13066 Call get_builtin_sync_mem to generate mem rtx.
13068 2006-01-03 Richard Guenther <rguenther@suse.de>
13071 * stmt.c (add_case_node): Make sure to clear overflow flags
13074 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13076 Merge from gomp-branch.
13077 * config/sparc/sync.md: New file.
13078 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13079 UNSPECV_LDSTUB): New constants.
13080 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13081 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13082 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13085 2006-01-03 Roger Sayle <roger@eyesopen.com>
13087 * combine.c (reg_subword_p): New predicate to test whether the
13088 destination of a set refers to a subword/piece of a register.
13089 (try_combine): Generalize the code to merge the setting of a
13090 pseudo to a constant followed by a set of a subword of that
13091 register to a constant.
13093 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13095 * basic-block.h (control_flow_graph): Change the type of
13096 x_label_to_block_map to VEC(basic_block,gc) *.
13097 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13098 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13100 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13101 VEC(basic_block,heap) *.
13102 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13103 ssa_prop_fini): Adjust the uses of cfg_blocks.
13105 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13107 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13109 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13110 hashing trees instead of a pointer hash.
13111 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13112 compare for MEM_EXPR.
13114 PR rtl-optimization/25130
13115 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13116 when comparing MEMs for GCSE
13118 2006-01-03 Ben Elliston <bje@au.ibm.com>
13120 * targhooks.h (default_decimal_float_supported_p): Declare.
13121 * targhooks.c (default_decimal_float_supported_p): Define.
13122 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13123 `default_decimal_float_supported_p'.
13124 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13126 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13128 * combine.c (apply_distributive_law <SUBREG>): Check
13129 TRULY_NOOP_TRUNCATION.
13131 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13133 * dwarf2out.c (have_switched_text_section): Delete.
13134 (have_multiple_function_sections): New.
13135 (have_location_lists): Make 'bool'.
13136 (add_AT_loc_list): Use 'true' not '1'.
13137 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13138 (output_loc_list): Use have_multiple_function_sections.
13139 (output_ranges): Likewise.
13140 (dwarf2out_begin_function): Set have_multiple_function_sections if
13142 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13143 Check function_section rather than DECL_SECTION_NAME.
13144 (dwarf2out_finish): Use have_multiple_function_sections.
13145 Don't clear have_location_lists.
13147 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13148 Jan Hubicka <jh@suse.cz>
13150 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13151 case of conditional jump jumping to the next instruction.
13152 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13153 cases of conditional jump jumping to the next instruction.
13155 2006-01-02 Jan Hubicka <jh@suse.cz>
13157 * i386.c (*_cost): Add COSTS_N_INSNS.
13158 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13160 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13163 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13165 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13167 * config/arm/arm.c (all_fpus): Fix comment typo.
13168 * config/darwin.c: Likewise.
13169 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13170 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13171 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13173 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13175 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13176 (rs6000_split_compare_and_swapqhi): New.
13177 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13178 (sync_compare_and_swapqhi_internal): New.
13179 * config/rs6000/rs6000-protos.h: Declare.