1 2006-07-07 Mike Stump <mrs@apple.com>
3 * toplev.c (process_options): Don't give -ffunction-sections may
4 affect debugging warning for Mach-O.
6 2006-07-07 James E Wilson <wilson@specifix.com>
8 * config/mips/mips.md (cpu): Add sb1a.
9 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10 addition to sb1. Adjust comments to clarify SB-1A differences from
12 (ir_sb1a_load): New. Modify bypasses to use it.
13 (ir_sb1a_simple_alu): Likewise.
14 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
15 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
16 (mips_issue_rate): Add PROCESSOR_SB1A.
17 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
18 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
19 (TARGET_SB1): Add PROCESSOR_SB1A check.
22 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
23 * config/mips/mips.c (mips_store_data_bypass_p): New.
24 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
27 2006-07-08 Paul Brook <paul@codesourcery.com>
30 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
32 2006-07-07 Richard Guenther <rguenther@suse.de>
35 * tree.h (build_one_cst): Declare.
36 * tree.c (build_one_cst): New function.
37 * tree-ssa-math-opts.c (get_constant_one): Remove.
38 (insert_reciprocals): Use build_one_cst.
39 * fold-const.c (fold_plusminus_mult): Likewise.
41 2006-07-07 Roger Sayle <roger@eyesopen.com>
43 * pointer-set.c (pointer_set_destroy): Correct whitespace.
44 * cfgloopanal.c (dump_graph): Likewise.
45 * dojump.c (discard_pending_stack_adjust): Likewise.
46 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
48 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
49 * function.c (finalize_block_changes): Likewise.
50 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
51 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
52 * rtl.c (dump_rtx_statistics): Likewise.
53 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
55 * varray.c (dump_varray_statistics): Likewise.
56 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
57 decode_decimal64, encode_decimal128, decode_decimal128,
58 decimal_real_to_decimal): Likewise.
60 2006-07-07 Richard Guenther <rguenther@suse.de>
62 PR tree-optimization/28187
63 * tree-vrp.c (vrp_operand_equal_p): New function.
64 (vrp_bitmap_equal_p): Likewise.
65 (update_value_range): Use them to compare old and new
68 2006-07-06 Roger Sayle <roger@eyesopen.com>
70 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
71 a default case to switch statement to silence compiler warnings.
73 2006-07-06 Roger Sayle <roger@eyesopen.com>
76 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
77 the configured assembler supports the x87's ffreep mnemonic.
78 * configure: Regenerate.
79 * config.in: Regenerate.
81 * config/i386/i386.c (output_387_ffreep): New function.
82 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
83 (output_387_reg_move): Likewise.
85 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
87 Port to hosts whose 'sort' and 'tail' implementations
88 treat operands with leading '+' as file names, as POSIX
89 has required since 2001. However, make sure the code still
90 works on pre-POSIX hosts.
91 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
92 which says you should use "tail -c +N" rather than "tail +Nc".
93 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
95 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
97 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
100 2006-07-06 David Edelsohn <edelsohn@gnu.org>
103 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
104 PRE_{INC,DEC} of TFmode.
106 2006-07-06 David Edelsohn <edelsohn@gnu.org>
107 Alan Modra <amodra@bigpond.net.au>
110 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
113 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
116 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
117 Remove duplicate gtu.
119 2006-07-05 Jason Merrill <jason@redhat.com>
123 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
124 * c-common.c (handle_packed_attribute): So don't copy it here.
125 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
127 2006-07-05 Mike Stump <mrs@apple.com>
129 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
131 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
134 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
136 2006-07-05 Richard Guenther <rguenther@suse.de>
139 * config/i386/i386.md (*negdf2_1): Restrict pattern to
140 TARGET_SSE2 targets if using SSE math.
141 (*absdf2_1): Likewise.
143 2006-07-05 Richard Guenther <rguenther@suse.de>
145 PR tree-optimization/28162
146 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
147 make sure to convert the operands to the correct type.
149 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
151 PR tree-optimization/28218
153 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
154 to calculate and free the dominator information.
156 2006-07-04 Peter O'Gorman <peter@pogma.com>
158 * mklibgcc.in: chmod 644 before ranlib during install.
160 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
161 J"orn Rennecke <joern.rennecke@st.com>
163 * configure.ac (.eh_frame data check): Use diff -b.
165 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
168 * Makefile.in (BUILD_RTL): Add build/vec.o.
169 (build/gencondmd.o): Filter out -fkeep-inline-functions.
170 (build/genextract): Delete.
171 (build/genautomata): Likewise.
173 2006-07-04 Alan Modra <amodra@bigpond.net.au>
176 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
177 128-bit IBM long doubles for ABI_V4.
179 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
181 * tree.c (range_in_array_bounds_p): New predicate.
182 * tree.h (range_in_array_bounds_p): Declare it.
183 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
184 return a less conservative answer.
185 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
187 (IS_ELEMENT_FOR_GROUP): New macro.
188 (FOR_EACH_ACTUAL_CHILD): Likewise.
189 (next_child_for_group): New helper function.
190 (can_completely_scalarize_p): Take into account groups.
191 (sra_hash_tree): Handle RANGE_EXPR.
192 (sra_elt_eq): Likewise.
193 (lookup_element): Be prepared for handling groups.
194 (is_valid_const_index): Delete.
195 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
196 instead of is_valid_const_index.
197 <ARRAY_RANGE_REF>: New case.
198 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
199 is_valid_const_index.
200 <ARRAY_RANGE_REF>: Do not unconditionally punt.
201 (scan_dump): Dump info for groups too.
202 (decide_instantiation_1): Likewise.
203 (decide_block_copy): Assert that the element is not a group.
204 Propagate decision to groups.
205 (generate_one_element_ref): Handle RANGE_EXPR.
206 (mark_no_warning): Iterate over actual childs.
207 (generate_copy_inout): Likewise.
208 (generate_element_copy): Likewise.
209 (generate_element_zero): Likewise.
210 (generate_element_init_1): Likewise.
211 (dump_sra_elt_name): Handle RANGE_EXPR.
213 2006-07-03 Roger Sayle <roger@eyesopen.com>
215 PR tree-optimization/26251
216 * tree-ssa-threadupdate.c (redirection_block_p): New function.
217 (thread_block): When optimizing for size refuse to thread jumps
218 that would require duplication of blocks other than redirection
221 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
223 * configure.ac: Fix thinko in previous check-in.
224 * configure: Regenerate.
226 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
229 * configure.ac (for lang...): Simplify nesting of conditionals.
230 Test subdir_requires for non-enabled languages. Move processing
231 of lang_opt_files and lang_tree_fiels below that test.
232 * configure: Regenerate.
233 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
235 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
237 * doc/gcov.texi (Invoking Gcov): Add a missing word.
239 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
241 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
244 2006-06-29 Jason Merrill <jason@redhat.com>
251 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
252 * c-common.c (c_determine_visibility): Handle it here.
253 * c-decl.c (finish_decl): Call c_determine_visibility for
255 * flags.h (enum symbol_visibility): Sort from most to least visibility.
257 * varasm.c (default_assemble_visibility): Likewise.
258 * c-common.c (handle_visibility_attribute): Complain about trying
259 to give visibility to an already defined class, or trying to change
260 declared visibility. Always attach the attribute.
265 * attribs.c (decl_attributes): Ignore type-in-place attributes
266 once the type has been defined.
268 2006-06-29 Roger Sayle <roger@eyesopen.com>
271 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
272 to indicate the cpplib has issued an error message for us.
274 2006-06-29 Asher Langton <langton2@llnl.gov>
277 * config/i386/i386.c (ix86_output_function_epilogue): Don't
278 insert a label at the end of an function under Mach-O.
280 2006-06-29 Eric Christopher <echristo@apple.com>
281 Evan Cheng <evan.cheng@apple.com>
283 * predicates.md (vector_all_ones_operand): New.
284 (nonimmediate_or_sse_const_operand): Ditto.
285 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
286 * config/i386/i386.c (standard_sse_constant_opcode): Define.
287 (standard_sse_mode_p): Ditto.
288 (standard_sse_constant_p): Add case for -1 vector.
289 (ix86_expand_vector_move): Try to use.
290 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
291 Call standard_sse_constant_opcode.
292 (*movv4sf_internal): Ditto.
293 (*movv2df_internal): Ditto.
295 2006-06-29 Roger Sayle <roger@eyesopen.com>
297 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
298 of XEXP to extract the operands of a MATCH_CODE rtx.
300 2006-06-28 Andrew Pinski <pinskia@gmail.com>
302 * tree.c (tree_size): Do not waste tail padding in
303 struct tree_string and make the size be the same as
304 build_string will generate.
306 2006-06-28 Jason Merrill <jason@redhat.com>
309 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
310 may_aliases already in the tag's annotations to the bitmap.
312 2006-06-28 Roger Sayle <roger@eyesopen.com>
314 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
316 2006-06-28 Roger Sayle <roger@eyesopen.com>
318 * genpreds.c (generate_switch_p): New function.
319 (add_mode_tests): Push the new mode test down inside an AND expr
320 if this allows the switch-suitable MATCH_CODE to be near the root.
321 (write_match_code_switch): New function to write a MATCH_CODE as
323 (write_predicate_stmts): New function to write a predicate RTX
324 expression as a sequence of statements.
325 (write_one_predicate_function): Use write_predicate_stmts.
326 (write_tm_constrs_h): Likewise.
328 2006-06-26 Fred Fish <fnf@specifix.com>
330 * config/mips/t-sb1: New file.
331 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
334 2006-06-26 DJ Delorie <dj@redhat.com>
336 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
338 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
339 Jayant Sonar <jayants@kpitcummins.com>
340 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
342 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
343 (subsi3, subsi3_1, subsi3_2): New.
344 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
345 * config/m32c/mov.md (SI mov peephole): New.
346 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
347 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
349 2006-06-26 Olivier Hainque <hainque@adacore.com>
351 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
352 a CALL_EXPR target function declaration.
354 2006-06-26 Richard Guenther <rguenther@suse.de>
356 * tree.c (build_string): Do not waste tail padding in
359 2006-06-26 Richard Guenther <rguenther@suse.de>
361 * ggc-page.c (init_ggc): Add missing element to size_lookup
365 2006-06-23 Richard Guenther <rguenther@suse.de>
367 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
368 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
369 alignment requests instead. Add verification code.
370 Add struct tree_function_decl and struct tree_binfo size to
371 extra_order_size_table. Add missing element to size_lookup
374 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
377 * fold-const.c (const_binop): Be prepared for self returning zero.
378 Simplify code handling complex values.
380 2006-06-24 Olivier Hainque <hainque@adacore.com>
382 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
383 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
386 2006-06-24 Olivier Hainque <hainque@adacore.com>
388 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
389 ARRAY_REF, so have the callback called for the low bound expression.
391 2006-06-23 Janis Johnson <janis187@us.ibm.com>
393 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
394 * c-typeck.c (c_common_type): Disallow operations on decimal float
395 types and other float types.
396 * convert.c (convert_to_real): Don't ignore conversions involving
399 2006-06-23 Olivier Hainque <hainque@adacore.com>
401 * tree.c (max_int_size_in_bytes): New function, inspired from
402 code in function.c:assign_temp.
403 * tree.h (max_int_size_in_bytes): Declare.
404 * function.c (assign_temp): Use it.
405 * gimplify.c (create_tmp_var): Relax the assertions on the type
406 properties, not mandating constant size any more.
407 (force_constant_size): New static function.
408 (gimple_add_tmp_var): Use it, forcing variable size to a
409 constant upper bound if it is not constant on entry.
411 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
414 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
415 for initialization and setting of one_only flag to ...
416 (i386_pe_encode_section_info): ...here.
417 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
418 Recheck that the symbol has not been defined.
420 2006-06-23 Richard Guenther <rguenther@suse.de>
422 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
423 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
424 alignment requests instead. Add verification code.
425 Add struct tree_function_decl and struct tree_binfo size to
426 extra_order_size_table. Add missing element to size_lookup
429 2006-06-22 Roger Sayle <roger@eyesopen.com>
430 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
433 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
434 call to lang_hooks.types.type_for_mode returned NULL_TREE.
436 2006-06-23 Ben Elliston <bje@au.ibm.com>
438 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
439 negate dn -- manipulate it directly.
441 2006-06-22 Roger Sayle <roger@eyesopen.com>
442 Steven Bosscher <stevenb.gcc@gmail.com>
445 * reload1.c (gen_reload): Call mark_jump_label on the new insns
446 generated by gen_move_insn to add REG_LABEL notes if necessary.
448 2006-06-22 Bob Wilson <bob.wilson@acm.org>
450 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
451 (leaf_entry): Remove use of MIN_ESA.
453 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
455 PR rtl-optimization/28121
456 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
459 2006-06-21 DJ Delorie <dj@redhat.com>
461 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
463 (mulhisi3_r): Likewise.
465 2006-06-21 Richard Sandiford <richard@codesourcery.com>
468 * coverage.c (coverage_counter_alloc): Leave the index type
470 (coverage_counter_alloc): Use null arguments for operands 2 and 3
473 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
475 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
476 section from the "Options for Code Generation Conventions".
478 2006-06-21 Richard Henderson <rth@redhat.com>
482 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
484 (global_symbolic_operand): Allow weak symbols, even if local_p.
486 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
488 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
489 (find_interesting_uses_address): Punt if above function returns true.
491 2006-06-21 Richard Guenther <rguenther@suse.de>
493 * configure: Regenerated.
495 2006-06-21 Joseph Myers <joseph@codesourcery.com>
497 * config/mips/mips.c (function_arg): Where one part of a
498 complex argument is in registers and the other part in the stack,
499 return a REG not a PARALLEL.
501 2006-06-21 Mark Mitchell <mark@codesourcery.com>
503 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
504 when cross-compiling. Do not substitute libstdcxx_incdir.
505 * configure: Regenerated.
507 2006-06-21 Jakub Jelinek <jakub@redhat.com>
509 * varasm.c (mergeable_string_section): Check for embedded NULs and
510 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
511 rather than TREE_STRING_LENGTH bytes.
513 2006-06-21 Richard Guenther <rguenther@suse.de>
515 * ggc-page.c (extra_order_size_table): Add var_ann_d,
516 tree_ssa_name, bitmap_element and phi_node with 4 arguments
519 2006-06-21 Richrad Guenther <rguenther@suse.de>
521 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
522 Limit iteration over the dominators.
524 2006-06-20 Roger Sayle <roger@eyesopen.com>
526 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
527 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
529 2006-06-20 Richard Guenther <rguenther@suse.de>
530 Michael Matz <matz@suse.de>
532 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
534 * alloc-pool.c (free_alloc_pool_if_empty): New function.
535 * et-forest.h (et_free_pools): Prototype new function.
536 * et-forest.c (et_free_tree_force): Free parent occurrence.
537 (et_free_pools): New function.
538 * dominance.c (free_dominance_info): Free et-forest alloc
541 2006-06-20 Roger Sayle <roger@eyesopen.com>
543 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
544 integer modes, attempt to directly construct an integer constant.
546 * fold-const.c (native_encode_vector): Determine the size of each
547 element from the vector type instead of the first vector element.
549 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
550 if all of its elements/components are constant.
551 (build_constructor_from_list): Likewise.
553 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
555 PR tree-optimization/27331
556 * tree-data-ref.c (free_data_ref): New function.
557 (create_data_ref): Fail if the data reference has unknown access
559 (free_data_refs): Use free_data_ref.
561 2006-06-19 Andrew Pinski <pinskia@gmail.com>
564 * tree-inline.c (setup_one_parameter): Strip useless
565 type conversion before adding it to the IR.
566 (declare_return_variable): Likewise.
568 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
571 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
573 2006-06-19 Mike Stump <mrs@apple.com>
575 * tree.c (variably_modified_type_p): VM arguments don't make the
578 2006-06-19 Richard Guenther <rguenther@suse.de>
580 * tree-ssa-pre.c (try_combine_conversion): Strip useless
581 type conversions after folding.
583 2006-06-19 Richard Guenther <rguenther@suse.de>
585 * ggc-page.c (extra_order_size_tab): Add entries with
586 size of struct function and basic_block.
587 (size_lookup): Extend to cover sizes up to 511.
588 (ggc_alloc_stat): Adjust user.
589 (ggc_pch_count_object): Likewise.
590 (ggc_pch_alloc_object): Likewise.
591 (ggc_pch_write_object): Likewise.
593 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
595 * tree-ssa-loop-niter.c (implies_ge_p): New function.
596 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
599 2006-06-19 Denis Chertykov <denisc@overta.ru>
601 * config/avr/libgcc.S : Correct my wrong previous commit.
603 2006-06-19 Roger Sayle <roger@eyesopen.com>
606 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
607 have stripped a SUBREG from the shift count, so we may need to
608 convert_to_mode back to the type's mode before calling make_tree.
609 Use new_amount instead of amount to avoid expanding a tree twice.
611 2006-06-19 Richard Guenther <rguenther@suse.de>
614 * fold-const.c (operand_equal_p): Check if the argument types
615 have the same precision before stripping NOPs.
617 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
619 Fix PR tree-optimization/27341
620 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
622 * tree-complex.c (pass_lower_complex): Update SMT usage.
624 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
626 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
627 Add a new alternative to the constraint strings. Add move of
628 operand 1 to 3 to the splitter definition.
629 ("doloop_si_long"): Second contraint alternative removed.
631 2006-06-08 Anatoly Sokolov <aesok@post.ru>
633 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
634 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
636 (AVR_HAVE_MOVW) Define.
637 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
638 (ASM_SPEC): Add avr25.
639 (LINK_SPEC): Add avr25.
640 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
641 (base_arch_s): Add new member 'have_movw_lpmx'.
642 (avr_arch_types): Init 'have_movw_lpmx'.
643 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
644 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
645 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
646 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
647 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
649 (avr_file_start): Do not output '.arh' derective.
650 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
651 (__do_copy_data): Use __AVR_HAVE_LPMX__.
652 * config/avr/avr.md (mcu_enhanced): Delete.
653 (mcu_have_movw): Define.
654 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
655 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
656 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
657 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
658 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
659 attiny861 and at86rf401 devices.
661 2006-06-18 Jie Zhang <jie.zhang@analog.com>
663 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
666 2006-06-17 Karl Berry <karl@gnu.org>
668 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
669 doc/gccint.texi, doc/install.texi (@dircategory): Use
670 "Software development" instead of "Programming", following
671 the Free Software Directory.
673 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
675 * config/i386/i386.c (legitimate_tls_address)
676 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
677 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
678 (*tls_dynamic_gnu2_combine_64): Likewise.
680 2006-06-16 Richard Guenther <rguenther@suse.de>
683 * fold-const.c (negate_expr_p): Do not introduce undefined
684 overflow in negating INTEGER_CSTs.
685 (fold_negate_expr): Rename from negate_expr. Revert last
686 change for folding BIT_NOT_EXPR. Change semantics to
687 return NULL_TREE for non-simplified negations. Do not
688 strip type conversions and unify type handling.
689 (negate_expr): New function, wrap around fold_negate_expr
690 but ensure building a tree always. Strip type conversions
691 here, fold to result type.
692 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
694 2006-06-16 Roger Sayle <roger@eyesopen.com>
697 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
698 that (would) return their results in stack registers.
700 2006-06-16 Michael Matz <matz@suse.de>
701 Richard Guenther <rguenther@suse.de>
703 * fold-const.c (fold_truthop): Only return new tree node if
704 we canonicalized something.
706 2006-06-16 Richard Guenther <rguenther@suse.de>
708 * function.h (enum function_frequency): Move declaration
709 out of struct function.
710 (struct function): Move bool fields and the enum to the bitfield
711 section. Reorder elements to avoid padding. Remove unused
712 fields left over from the RTL inliner removal.
713 * function.c (free_after_compilation): Do not zero removed fields.
714 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
715 (ipa-type-escape.o): Likewise.
717 2006-06-16 Richard Guenther <rguenther@suse.de>
719 * cgraph.h (struct cgraph_local_info): Turn bool elements
721 (struct cgraph_node): Likewise.
722 (struct cgraph_varpool_node): Likewise.
724 2006-06-15 Richard Guenther <rguenther@suse.de>
726 * fold-const.c (fold_truth_not_expr): Rename from
727 invert_truthvalue. Give it fold_* semantics to avoid
729 (invert_truthvalue): New function. Wrapper around
731 (optimize_minmax_comparison): Avoid creating garbage.
732 (fold_unary): Use fold_truth_not_expr for folding
734 (fold_ternary): Replace uses of invert_truthvalue with
735 fold_truth_not_expr where applicable.
736 * tree.h (fold_truth_not_expr): Prototype.
738 2006-06-16 Richard Guenther <rguenther@suse.de>
740 PR tree-optimization/27781
741 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
742 * ipa-pure-const.c (target.h): Include.
743 (analyze_function): Do not analyze functions that do not
746 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
749 * tree-dfa.c (referenced_vars_dup_list): Remove.
750 (find_referenced_vars): Remove assert.
751 (referenced_var_check_and_insert): Replace dup list with assert.
752 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
753 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
755 2006-06-15 Richard Guenther <rguenther@suse.de>
757 * tree-ssa-structalias.c (alias_get_name): Avoid creating
758 extra unused identifiers if not dumping.
759 (create_variable_info_for): Likewise.
761 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
763 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
764 (derive_constant_upper_bound): Derive more precise upper bound in
765 common cases. Return type changed to double_int.
766 (record_estimate): Reflect the changed return type of
767 derive_constant_upper_bound.
768 * double-int.c (double_int_zext, double_int_sext): Fix.
770 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
772 * configure.ac (CFLAGS): Get them from the toplevel or from the
773 configure invocation.
774 * configure: Regenerate.
775 * Makefile.in (CFLAGS): Substitute value provided by configure.
777 2006-06-14 Mark Mitchell <mark@codesourcery.com>
780 * c-common.h (c_finish_omp_atomic): Adjust declaration.
781 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
782 rather than calling add_stmt on it.
783 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
785 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
788 * reload1.c (reload): Remove registers returned by update_eliminables
789 from used_spill_regs.
791 2006-06-13 DJ Delorie <dj@redhat.com>
793 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
795 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
797 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
798 html__strip_dir, html__mkdir_p. Enhance install-html target.
799 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
800 * configure: Regenerate.
802 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
804 * fold-const.c (fold_cond_expr_with_comparison): Check for
805 Objective-C++ as language in deciding COND_EXPR transformation.
807 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
810 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
811 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
812 * config/sh/lib1funcs.h (SL, SL1): Define.
813 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
814 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
815 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
816 (OBJS_Os_4_200): New variable.
817 ($(T)libgcc-Os-4-200.a): Use it.
818 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
819 when dividing 1 and/or by 0.
821 2006-06-13 Roger Sayle <roger@eyesopen.com>
823 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
824 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
825 * configure: Regenerate.
827 2006-06-13 Jie Zhang <jie.zhang@analog.com>
829 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
830 for real instruction.
832 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
835 * haifa-sched.c (check_cfg): Handle special case.
837 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
840 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
841 Add debug_info parameter. Chain the vars to the BLOCK instead
842 of the BIND_EXPR if debug info are requested for them.
843 (pop_gimplify_context): Adjust for above change.
844 (gimple_add_tmp_var): Likewise.
845 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
847 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
848 (convert_local_reference): Likewise.
849 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
850 (finalize_nesting_tree_1): Request that debug info be emitted
853 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
855 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
858 2006-06-13 Richard Guenther <rguenther@suse.de>
861 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
863 2006-06-13 Richard Guenther <rguenther@suse.de>
865 PR tree-optimization/27830
866 * tree-inline.c (copy_body_r): For copying the operand
867 of an ADDR_EXPR make sure to fold &* afterwards.
869 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
871 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
872 lvalues in the fb_none case with side-effects.
874 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
876 * tree-flow.h: Remove the prototype for
877 compute_phi_arg_on_exit.
878 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
879 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
882 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
884 * builtins.c (expand_builtin_return_addr): Only use
885 frame_pointer_rtx when count == 0 and we are expanding
886 __builtin_return_address.
888 2006-06-12 Fred Fish <fnf@specifix.com>
890 * config/mips/mips.c (mips_file_start): Create special section
891 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
893 2006-06-11 Eric Christopher <echristo@apple.com>
896 * stor-layout.c (place_field): Remove check for
897 remaining_in_alignment when aligning at the end of a run.
899 2006-06-11 Eric Christopher <echristo@apple.com>
902 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
905 2006-06-11 Roger Sayle <roger@eyesopen.com>
908 Revert incorrect fix for PR target/27158
909 2006-05-08 Roger Sayle <roger@eyesopen.com>
910 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
911 of a reg_equiv_constant if the result is a legitimate constant.
913 2006-06-11 Roger Sayle <roger@eyesopen.com>
916 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
917 extract a CONST_VECTOR element and interpret it as an integer.
918 (vspltis_constant): Use const_vector_elt_as_int instead of the
919 macro CONST_VECTOR_ELT in order to handle FP vector modes.
920 * config/rs6000/predicates.md (easy_vector_const): Consider
921 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
923 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
926 * stor-layout.c (update_alignment_for_field): Don't add extra
927 alignment for packed non-bitfield fields in ms_bitfield_layout_p
930 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
932 * config/mips/t-rtems: Add EL/EB multilib variants.
934 2006-06-09 Mike Stump <mrs@apple.com>
936 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
938 2006-06-09 David Daney <ddaney@avtrex.com>
940 * doc/install.texi: Add binutils version recommendation for mips-*-*.
942 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
944 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
946 2006-06-09 Richard Guenther <rguenther@suse.de>
948 PR tree-optimization/26998
949 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
950 of signed types, only TYPE_MIN_VALUE is special, but for both,
951 minimum and maximum value. Likewise VR_ANTI_RANGE is special
952 in this case, as is -fwrapv.
954 2006-06-08 Mike Stump <mrs@apple.com>
957 * config/darwin.c (darwin_asm_output_anchor): Disable
958 -fsection-anchors on darwin for now.
959 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
960 * rs6000/rs6000.c (optimization_options): Likewise.
962 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
965 * config/i386/i386.c (classify_argument): Skip fields with invalid
968 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
970 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
971 (cse_insn): Likewise for the stack_pointer_rtx.
973 2006-06-08 Roger Sayle <roger@eyesopen.com>
975 * tree-ssa-dom.c (record_conditions): Only record "unordered"
976 conditions from floating point comparisons.
978 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
981 * expmed.c (struct alg_hash_entry): Fix type of field T
982 to match synth_mult argument.
983 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
985 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
988 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
991 2006-06-08 Richard Guenther <rguenther@suse.de>
994 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
995 only, if overflow is defined and not trapping.
996 (negate_expr): Likewise.
998 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1000 PR tree-optimization/27872
1001 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1002 flag on the new exit edge of the unrolled loop.
1004 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1006 PR rtl-optimization/26449
1007 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1009 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1012 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1013 referenced_variables with matching DECL_UID's.
1014 (find_referenced_vars): Make sure duplicate list is empty to start.
1015 (referenced_var_p): Remove.
1016 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1017 Check if var is in the list, and add if needed. Update the duplicate
1018 list if a different var is in the list with the same DECL_UID.
1019 (add_referenced_var): Call routine to check and insert.
1020 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1021 * tree-flow.h (referenced_vars_dup_list): External declaration.
1023 2006-06-07 Fred Fish <fnf@specifix.com>
1025 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1028 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1031 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1032 the imaginary and real parts of a clobbered register.
1033 Emit insn to set the imaginary part.
1035 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1037 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1038 in lieu of unwind-dw2-fde.c.
1040 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1042 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1044 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1047 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1048 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1049 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1050 V4SImode temporaries and operations instead.
1052 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1054 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1057 2006-06-06 Mike Stump <mrs@apple.com>
1059 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1060 installing during build.
1062 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1064 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1066 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1067 * config/ia64/ia64.c (params.h): New header.
1068 (ia64_optimization_options): New function to adjust parameters.
1069 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1070 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1071 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1073 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1075 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1077 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1080 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1082 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1083 Victor Kaplansky <victork@il.ibm.com>
1085 PR tree-optimization/26360
1086 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1089 2006-06-04 Roger Sayle <roger@eyesopen.com>
1090 Andrew Pinski <pinskia@physics.uc.edu>
1093 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1094 for LABEL_DECL before calling DECL_WEAK.
1097 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1098 LABEL_DECL and PARM_DECL.
1100 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1104 * c-decl.c (grokdeclarator): Disallow variably modified types at
1105 file scope. Avoid marking shared array type of constant size as
1108 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1111 * c-common.c (fold_offsetof_1): Handle static members.
1113 2006-06-04 Eric Christopher <echristo@apple.com>
1115 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1116 (debug_rli): Output value for remaining_in_alignment.
1117 (update_alignment_for_field): Unconditionalize
1118 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1119 extra alignment code.
1120 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1121 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1122 * tree.h (record_layout_info_s): Remove prev_packed.
1123 * doc/extend.texi (ms_struct): Add documentation of format.
1125 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1127 * tree.h: Declare folding_initializer.
1128 * builtins.c (fold_builtin_constant_p): Give definite answer
1129 if folding inside an initializer.
1130 * fold-const.c: Define folding_initializer.
1131 (START_FOLD_INIT): Save and then set folding_initializer.
1132 (END_FOLD_INIT): Restore folding_initializer.
1134 2006-06-04 Richard Guenther <rguenther@suse.de>
1136 PR tree-optimization/27039
1137 * fold-const.c (fold_comparison): Handle pointer comparison
1138 again for all comparison codes. Compare offsets in signed
1140 (fold_binary): Move code from here.
1142 2006-06-03 Roger Sayle <roger@eyesopen.com>
1145 * config/i386/i386.c (construct_container): Split static issued_error
1146 flag into issued_sse_arg_error, issued_sse_ret_error and
1147 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1148 requires the use of x87 registers and the user explicitly
1149 specified the -mno-80387 command line option.
1151 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1153 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1154 HAVE_DECL_SIGALTSTACK.
1156 (segv_handler): Use MC_FLD.
1157 * configure.ac: Check for a sigaltstack declaration.
1158 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1159 * configure: Regenerate.
1160 * config.in: Regenerate.
1162 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1165 * Makefile.in (stmp-fixinc): Fix typo.
1167 2006-06-02 Roger Sayle <roger@eyesopen.com>
1169 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1170 are type correct. Clean-up.
1171 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1172 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1174 2006-06-01 DJ Delorie <dj@redhat.com>
1176 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1177 shift, as we've disabled the "switch" insn that needs it.
1179 2006-06-01 Per Bothner <bothner@bothner.com>
1181 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1182 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1183 * c-ppoutput.c (cb_define): Don't increment line 0.
1185 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1187 * doc/invoke.texi: Add cpu_type power6.
1188 * config.gcc: Add cpu_type power6.
1189 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1190 to power5+ with Altivec.
1191 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1192 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1194 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1196 * config/avr/avr.h (SET_ASM_OP): Define.
1198 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1200 * config/bfin/bfin.c: Fix comment typos.
1202 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1205 * doc/install.texi: Document --enable-bootstrap and
1206 --disable-bootstrap.
1208 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1210 * doc/install.texi: Document that InfoZIP can replace jar.
1212 2006-05-31 Roger Sayle <roger@eyesopen.com>
1214 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1215 isn't available, directly generate the simpler x87 patterns without
1216 the (use (const_int 0)).
1217 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1218 implementation isn't available.
1219 (*negdf2_1): Likewise.
1220 (*negxf2_1): XF mode negation is always done using the x87.
1221 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1223 2006-05-31 Roger Sayle <roger@eyesopen.com>
1225 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1226 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1228 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1230 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1232 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1233 * config/bfin/bfin.c (basic-block.h): Include.
1234 (struct machine_function): New.
1235 (bfin_init_machine_status): New.
1236 (override_options): Initialize init_machine_status.
1237 (bfin_hardware_loop): New.
1238 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1239 (DEF_VEC_P (loop_info)): New.
1240 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1241 (struct loop_info): New.
1242 (loop_info): New typedef.
1243 (struct loop_work): New.
1244 (loop_work): New typedef.
1245 (DEF_VEC_O (loop_work)): New.
1246 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1247 (bfin_dump_loops): New.
1248 (bfin_bb_in_loop): New.
1249 (bfin_scan_loop): New.
1250 (bfin_optimize_loop): New.
1251 (bfin_reorg_loops): New.
1252 (bfin_reorg): Use bfin_reorg_loops.
1253 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1255 (I_REGNO_P): Simplify.
1256 (DP_REGNO_P, DPREG_P): New macros.
1257 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1258 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1259 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1260 Add LT_REGS, LC_REGS, LB_REGS.
1261 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1263 (REGNO_REG_CLASS): Deal with loop registers.
1264 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1266 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1267 New constants for loop registers.
1268 (UNSPEC_LSETUP_END): New.
1269 (seq_insns): New define_attr. Set it for appropriate insns.
1270 (movsi_insn): Add alternatives for move from/to
1271 loop count registers.
1272 (doloop_end): New define_expand.
1273 (loop_end): New define_insn.
1274 (define_split for bad doloop_end): New.
1275 (lsetup_with_autoinit): New define_insn.
1276 (lsetup_without_autoinit): New define_insn.
1277 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1278 * config/bfin/predicates.md (lc_register_operand): New.
1279 (lt_register_operand): New.
1280 (lb_register_operand): New.
1281 (nondp_register_operand): New.
1282 (nondp_reg_or_memory_operand): New.
1283 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1285 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1287 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1288 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1290 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1292 * Makefile.in (CATALOGS): Add po/ prefix.
1293 * configure: Regenerated.
1295 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1298 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1299 a shift operand before calling shift_op. Avoid redundant call of
1302 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1303 DJ Delorie <dj@redhat.com>
1305 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1306 we're inserting is a singlt-bit constant.
1308 2006-05-30 Roger Sayle <roger@eyesopen.com>
1310 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1311 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1313 2006-05-30 Roger Sayle <roger@eyesopen.com>
1315 PR tree-optimization/23452
1316 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1317 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1318 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1319 complex values and with -ffast-math for FP complex values.
1321 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1323 * c-common.h: Remove the prototype for yyparse.
1324 * rtl.h: Remove the prototype for init_loop.
1326 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1328 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1331 2006-05-30 Roger Sayle <roger@eyesopen.com>
1333 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1335 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1336 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1338 2006-05-30 Dirk Mueller <dmueller@suse.de>
1341 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1342 for CONSTANT_CLASS_P expresisons.
1344 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1347 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1349 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1351 PR tree-optimization/27779
1352 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1353 initial_condition instead of CHREC_LEFT.
1355 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1357 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1358 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1359 Make prototypes ISO C90.
1361 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1362 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1364 * see.c (see_analyze_one_def): Correct check.
1365 (see_get_extension_data): Check if extension is parallel.
1366 (see_get_extension_reg): Likewise.
1368 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1371 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1372 into register for (code == GTU).
1374 2006-05-29 Roger Sayle <roger@eyesopen.com>
1376 PR tree-optimization/24964
1377 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1378 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1379 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1380 abs(x)*abs(x) as x*x for scalar floating point modes.
1382 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1385 * lambda-code.c (perfect_nestify): Don't copy statements
1386 in the inner loop: move them to the inner loop header.
1388 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1391 * c-tree.texi: Document OpenMP directives and clauses.
1393 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1395 * varasm.c (globalize_decl): Fix indentation.
1397 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1400 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1401 pass_fre, pass_store_ccp, pass_copy_prop,
1402 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1403 pass_return_slot, pass_object_size, pass_lim,
1404 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1405 pass_loop_prefetch and pass_stdarg.
1407 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1409 * config/bfin/bfin.opt (mfdpic): New option.
1410 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1411 (EXTRA_MULTILIB_PARTS): Likewise.
1412 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1413 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1415 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1416 (CRT_CALL_STATIC_FUNCTION): New.
1417 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1419 (CRT_CALL_STATIC_FUNCTION): New.
1420 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1422 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1423 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1424 (initialize_trampoline): Changed to handle FD-PIC code generation.
1425 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1426 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1427 (override_options): Disallow -mid-shared-library -mfdpic combination.
1428 Can't do unaligned ops if FD-PIC.
1429 Turn off flag_pic if trying to generate non-id-shared-library
1430 non-fdpic code, since it's not supported.
1431 (bfin_assemble_integer): New function.
1432 (TARGET_ASM_INTEGER): Define.
1433 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1435 * config/bfin/crtn.s: Restore them.
1436 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1438 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1439 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1440 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1441 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1442 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1444 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1445 FDPIC_REGS and FDPIC_FPTR_REGS.
1446 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1447 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1448 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1449 (load_funcdescsi): New pattern.
1450 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1451 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1452 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1454 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1456 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1459 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1461 * tree-flow.h: Remove the prototype for add_type_alias.
1462 * tree-ssa-alias.c (add_type_alias): Remove.
1464 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1466 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1467 config/fr30/fr30.md, config/i386/i386-interix.h,
1468 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1469 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1470 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1471 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1472 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1473 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1474 Follow spelling conventions.
1475 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1476 Follow spelling conventions.
1478 2006-05-27 Richard Guenther <rguenther@suse.de>
1481 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1482 to produce a constant of value 1 of generic type.
1484 2006-05-27 Dirk Mueller <dmueller@suse.de>
1486 * cgraphunit.c (decide_is_function_needed): Fix wrong
1489 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1491 PR rtl-optimization/27661
1492 * reload.c (find_reloads): When reloading a VOIDmode constant
1493 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1494 use Pmode as mode of the reload register.
1496 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1498 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1499 is enabled at -O and above.
1501 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1504 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1507 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1510 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1511 for anonymous variables explicitly declared by front ends.
1513 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1515 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1516 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1517 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1518 ref-all pointers, run a finalization pass for them.
1519 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1520 (finalize_ref_all_pointers): New function.
1521 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1522 regular pointer type to a ref-all pointer type.
1523 (get_tmt_for): Return the special memory tag for ref-all pointers.
1525 2006-05-25 Richard Guenther <rguenther@suse.de>
1528 * fold-const.c (fold_binary): Do not look at the stripped
1529 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1531 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1533 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1534 for LT and GT if the computed range is effectively empty.
1536 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1539 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1540 mips_quad_format formats instead of ieee_single_format,
1541 ieee_double_format and ieee_quad_format formats, respectively.
1543 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1545 PR tree-optimization/27639
1546 PR tree-optimization/26719
1547 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1548 call to scev_probably_wraps_p.
1549 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1550 used_in_pointer_arithmetic_p, convert_step): Removed.
1551 (nowrap_type_p): New function.
1552 (scev_probably_wraps_p): Rewritten.
1553 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1554 chrec_convert if chrec_convert_aggressive might have been used.
1555 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1556 scev_direction): New functions.
1557 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1558 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1559 instead of convert_step.
1560 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1561 (convert_step): Declaration removed.
1562 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1564 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1566 * df-core.c: Added to header comments.
1567 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1568 df_ur_bb_info, df_urec_bb_info): Added comments.
1569 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1570 urec, ri problems): Fixed header comments.
1571 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1572 code from df_rd_transfer_function.
1574 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1576 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1577 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1578 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1580 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1582 * expr.c (undefined_operand_subword_p): New.
1583 (emit_move_multi_word): Do not generate move from undefined bits
1584 of a paradoxical subreg.
1586 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1588 PR rtl-optimization/27736
1589 * combine.c (replaced_rhs_value): New variable.
1590 (combine_instructions): Set it.
1591 (distribute_notes): When distributing a note in replaced_rhs_insn,
1592 check whether the value was used in replaced_rhs_value.
1594 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1597 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1598 add_referenced_var instead of add_referenced_tmp_var.
1599 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1600 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1602 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1603 tree_optimize_tail_calls_1): Use add_referenced_var.
1604 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1605 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1606 Use add_referenced_var.
1607 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1608 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1609 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1610 Use add_referenced_var.
1611 * tree-dfa.c (struct walk_state): Remove.
1612 (find_referenced_vars): Remove walk state and vars_found hash table.
1613 (make_rename_temp): Use add_referenced_var.
1614 (find_vars_r): Pass less parameters to add_referenced_var.
1615 (referenced_var_p): New. Is var in referenced_var hash table.
1616 (referenced_var_insert): Assert var isn't already in hash table.
1617 (add_referenced_var): Don't need walk_state parameter. Add var if it
1618 isn't already in the hash table.
1619 (add_referenced_tmp_var): Remove.
1620 (find_new_referenced_vars_1): Use add_referenced_var.
1621 * tree-ssa-pre.c (create_expression_by_pieces,
1622 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1623 Use add_referenced_var.
1624 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1625 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1626 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1628 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1629 vect_create_data_ref_ptr, vect_create_destination_var,
1630 vect_init_vector, vect_build_loop_niters,
1631 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1632 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1633 Use add_referenced_var.
1634 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1635 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1636 (add_referenced_var): Add prototype.
1637 * tree-ssa-structalias.c (get_constraint_for,
1638 intra_create_variable_infos): Use add_referenced_var.
1640 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1642 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1643 big-endian paradoxical subregs.
1644 * var-tracking.c (struct micro_operation_def): Document that,
1645 for modify micro operations, insn is the subsequent instruction.
1646 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1647 (var_reg_set, var_mem_set): ... new functions.
1648 (add_stores): Record subsequent insn.
1649 (compute_bb_dataflow): Use new functions for MO_USE.
1650 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1651 notes after the insn, and modify notes before the insn known
1652 to be the subsequent one.
1653 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1655 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1658 * config/i386/i386.c (ix86_expand_builtin): Use
1659 gen_sse3_monitor64 for TARGET_64BIT.
1661 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1663 PR rtl-optimization/26375
1664 PR rtl-optimization/26855
1665 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1667 (df_ru_bb_local_compute): Reversed statements and removed bogus
1668 comment explaining why they should be in wrong order.
1669 (df_ru_dump, df_rd_dump): Enhanced debug info.
1670 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1672 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1673 reaching uses and fixed space problem.
1675 2006-05-23 Jan Hubicka <jh@suse.cz>
1677 * cgraphunit.c (decide_is_function_needed): Also nested functions
1678 and functions declared inline can be optimized out at -O0.
1680 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1682 * doc/install.texi (Configuration): Remove reference to CrossGCC
1686 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1689 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1690 ix86_compare_emitted is non-NULL.
1692 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1695 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1698 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1700 PR rtl-optimization/25514
1701 * combine.c (replaced_rhs_insn): New variable.
1702 (combine_instructions): Set replaced_rhs_insn when trying to replace
1703 a SET_SRC with a REG_EQUAL note.
1704 (distribute_notes): Use replaced_rhs_insn when determining the live
1705 range of a REG_DEAD register.
1707 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1708 Anatoly Sokolov <aesok@post.ru>
1710 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1711 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1712 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1713 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1714 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1715 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1716 at90usb647, at90usb1286 and at90usb1287 devices.
1717 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1718 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1720 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1722 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1724 2006-05-22 Richard Guenther <rguenther@suse.de>
1727 2006-01-31 Richard Guenther <rguenther@suse.de>
1728 Paolo Bonzini <bonzini@gnu.org>
1730 * doc/install.texi (--disable-libgcc-math): Document.
1732 2006-05-22 Richard Guenther <rguenther@suse.de>
1735 2006-01-31 Richard Guenther <rguenther@suse.de>
1737 * doc/invoke.texi (-msselibm): Document.
1738 * target.h (expand_library_builtin): New target hook.
1739 * builtins.c (expand_builtin): Use expand_library_builtin.
1740 (default_expand_library_builtin): New function.
1741 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1742 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1743 (link_gcc_math_spec): Declare.
1744 (static_specs): Add link_gcc_math_spec.
1745 * expr.h (default_expand_library_builtin): Declare.
1746 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1747 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1748 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1749 * config/i386/i386.opt (msselibm): New target option.
1750 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1751 (ix86_init_sse_abi_builtins): New function.
1752 (ix86_expand_library_builtin): Likewise.
1753 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1754 (override_options): Handle error conditions wrt -msselibm.
1755 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1756 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1757 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1760 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1763 * c-common.c (self_promoting_args_p): Skip erroneous args.
1766 * c-decl.c (finish_struct): Skip erroneous fields.
1768 2006-05-22 Nick Clifton <nickc@redhat.com>
1770 * config/cris/cris.opt (march): Remove VarExists attribute.
1771 (max-stackframe=): Likewise.
1773 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1775 * doc/rtl.texi: Fix a typo.
1776 * see.c: Fix comment typos.
1778 * tree-ssa-structalias.h (alias_info): Remove num_references.
1780 2006-05-21 Mike Stump <mrs@apple.com>
1782 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1784 (darwin_pragma_options): Use BAD instead.
1785 (darwin_pragma_unused): Likewise.
1786 (darwin_pragma_ms_struct): Likewise.
1788 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1790 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1792 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1794 PR rtl-optimization/27671
1795 * simplify-rtx.c (simplify_relational_operation_1): Fix
1796 simplifications of (eq/ne (xor x y) y) and
1797 (eq/ne (xor x y) x).
1799 PR tree-optimization/26622.
1800 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1803 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1805 * tree-cfg.c: Prune whitespace.
1806 (debug_tree_cfg): Point to correct header containing the
1809 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1812 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1814 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1817 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1818 or sorry count is non zero.
1820 2006-05-20 Andreas Schwab <schwab@suse.de>
1822 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1824 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1825 Kenneth Zadeck <zadeck@naturalbridge.com>
1827 PR rtl-optimization/26855
1829 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1831 (df_scan_alloc): Added code to properly handle multiword hard
1832 registers and add all_blocks parameter.
1833 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1834 code to properly handle multiword hard registers.
1835 (df_rescan_blocks): Added code to remove deleted blocks from
1837 (df_ref_create_structure, df_ref_record): Added code to properly
1839 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1840 and set DF_REF_PARTIAL.
1841 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1842 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1843 (df_scan_add_problem): Added flags parameter.
1844 (df_ref_create_structure): Changed switching structure.
1845 (df_bb_refs_record): Fixed case where duplicate artificial refs
1846 were created. Changed location of flags.
1847 (df_record_entry_block_defs): Added code to make stack pointer
1848 live in entry block. Refined cases where frame pointer is needed.
1849 Changed location of flags.
1850 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1851 (df_set_state): Removed function.
1852 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1853 df_insn_create_insn_record, df_insn_refs_delete,
1854 df_ref_create_structure): Formatting changes.
1855 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1856 df_delete_basic_block): New function.
1857 (df_init): Changed location of flags.
1858 (df_add_problem): Added flags parameter and the way flags are
1860 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1861 debug_df_chain): Improved debugging output.
1862 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1863 (df_refs_chain_dump): Removed df parameter.
1864 (df_iterative_dataflow): Added consistency check.
1865 (df_prune_to_subcfg): Made public.
1866 (df_analyze_problem): Added blocks_to_init parameter and made
1868 (df_ref_record, df_bb_refs_record, df_mark_reg,
1869 df_record_exit_block_uses): Whitespace changes.
1870 (df_dump): Whitespace changes.
1871 * df.h: Some reordering to remove forward references.
1872 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1873 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1874 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1875 (dataflow.flags): New field.
1876 (df.flag): Deleted field.
1877 (df_alloc_function): Added additional bitmap parameter.
1878 (df_dependent_problem_function): New type.
1879 (df_problem.changeable_flags): New field.
1880 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1881 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1882 (df_mw_hardreg): New struct.
1883 (DF_INSN_UID_MWS): New macro.
1884 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1886 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1887 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1888 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1889 (df_set_state): Removed function.
1890 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1891 * df-problems.c (df_chain_dump): Removed df parameter.
1892 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1893 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1895 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1896 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1897 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1898 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1899 DF_REF_MUST_CLOBBER cases.
1900 (df_ru_bb_local_compute_process_def,
1901 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1902 df_lr_bb_local_compute, df_ur_bb_local_compute,
1903 df_chain_create_bb): Made subreg aware.
1904 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1905 df_lr_bb_local_compute, df_lr_bb_local_compute,
1906 df_chain_create_bb): Cleanup to use proper macros.
1907 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1908 code to fixup bitvectors.
1909 (df_ri_alloc): Cleared lifetime.
1910 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1911 df_create_unused_note): New function.
1912 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1913 REG_DEAD and REG_UNUSED notes as well as register information.
1914 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1915 df_chains_dump): Fixed crash if problem was never run.
1916 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1917 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1918 df_ri_add_problem): Processes flags in uniform manner.
1919 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1920 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1921 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1922 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1923 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1924 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1925 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1926 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1927 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1928 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1929 * see.c (see_initialize_data): Ditto.
1930 * final.c (rest_of_clean_state) Added regstack_completed.
1931 * rtl.h (regstack_completed): Ditto.
1932 * reg-stack.c (regstack_completed): Ditto.
1934 2006-05-19 Mike Stump <mrs@apple.com>
1936 * c-tree.h (default_conversion): Remove.
1937 * c-common.h (default_conversion): Add.
1939 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1941 * tree-vrp.c (valid_value_p): New function.
1942 (adjust_range_with_scev): Fail if the value of bound is not
1945 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1947 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1948 (mips_fallback_frame_state): Use syscall numbers to determine
1949 the appropriate li instruction for the current ABI. Only use
1950 __NR_sigreturn for o32.
1952 2006-05-19 Nicolas Setton <setton@adacore.com>
1954 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1955 * langhooks.c (lhd_dwarf_name): New function.
1956 * langhooks-def.h (lhd_dwarf_name): Declare.
1957 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1958 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1959 * ada/misc.c (gnat_dwarf_name): New function.
1960 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1962 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1964 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1966 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1967 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1968 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1969 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1970 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1971 determine the size of Wtype, etc.
1972 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1973 (swfloatfuncs): New variable.
1974 (dwfloatfuncs): Likewise.
1975 (lib2funcs): Remove floating-point conversion functions from
1976 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1977 the set of conversion routines needed. Allow entries to specify
1978 an object name, filename and word size. Update users accordingly.
1979 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1980 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1984 2006-02-08 Roger Sayle <roger@eyesopen.com>
1987 * config/fixtfdi.c: New libgcc source file.
1988 * config/fixunstfdi.c: New source file.
1989 * config/floatditf.c: New source file.
1990 * config/floatunditf.c: New souce file.
1991 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1992 files above instead of config/mips/_tilib.c.
1993 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1995 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1997 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1998 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2000 2006-05-18 Mike Stump <mrs@apple.com>
2002 Fix up vla, vm and [*] sematics.
2008 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2009 (c_vla_unspec_p): Add.
2010 (c_vla_type_p): Add.
2011 * c-decl.c (struct c_scope): Add had_vla_unspec.
2012 (build_array_declarator): Add support for [*].
2013 (grokdeclarator): Likewise.
2014 (grokparms): Likewise.
2015 (get_parm_info): Likewise.
2016 * c-objc-common.c (c_vla_unspec_p): Likewise.
2017 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2018 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2019 typeof when argument is a variably modified type not inside sizeof or alignof.
2020 (c_parser_direct_declarator_inner): Propagate errors.
2021 (c_parser_sizeof_expression): Add support for [*].
2022 (c_parser_parms_declarator): Initialize had_vla_unspec.
2023 (c_parser_parms_list_declarator): Likewise.
2024 * c-typeck.c (c_vla_type_p): Add.
2025 (composite_type): Add support for vla compositing.
2026 (comptypes_internal): Add support for vla compatibility.
2027 (c_expr_sizeof_expr): Evaluate vla arguments.
2028 * tree.c (variably_modified_type_p): Update comment for [*].
2030 2006-05-18 Michael Matz <matz@suse.de>
2033 * config.host: Make assignments to host_xmake_file cumulative.
2034 * config.host (*-darwin*): Test $host, not $target.
2036 2006-05-12 Stuart Hastings <stuart@apple.com>
2038 * config/i386/i386.opt (-mstackrealign): New flag.
2039 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2040 (ix86_handle_cconv_attribute): Emit error when
2041 force_align_arg_pointer attribute collides with too many regparms.
2042 (ix86_function_regparm): Limit regparms when used with
2043 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2044 Support stack-realigning prologue in non-main functions. Emit
2045 warning for nested functions under -mstackrealign, emit error for
2046 nested functions with force_align_arg_pointer attribute.
2047 * doc/extend.texi (force_align_arg_pointer): Document it.
2048 * doc/invoke.texi (-mstackrealign): Document it.
2050 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2052 PR rtl-optimization/27477
2053 * combine.c (try_combine): Don't split a parallel consisting
2054 of two sets into two individual sets if both sets reference
2057 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2059 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2060 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2062 * doc/options.texi (VarExists): Updated.
2064 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2066 * unwind-dw2.c: Add declarations for uw_update_context and
2068 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2069 detected, advance frame state and context once to skip over stub.
2071 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2075 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2076 Call rewrite_into_loop_closed_ssa only when something changed.
2077 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2078 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2079 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2080 Test for perfect_nest_p here. Fix formating.
2081 (replace_uses_equiv_to_x_with_y): Fix formating.
2082 (stmt_uses_op): Removed.
2083 (can_convert_to_perfect_nest): Removed loopivs parameter.
2084 Complete the test by checking the scalar dependences.
2085 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2088 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2091 From Dan Kegel <dank@kegel.com>:
2092 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2094 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2096 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2097 if the element type is variably modified without recursing.
2099 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2102 * tree-loop-linear.c (try_interchange_loops): Test for
2103 no data dependences.
2105 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2107 PR tree-optimization/27548
2108 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2109 range of ssa names that appear on abnormal edges.
2110 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2111 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2113 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2116 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2118 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2121 * tree.h (OMP_PARALLEL_COMBINED): Define.
2122 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2123 (new_omp_context): Add is_combined_parallel argument.
2124 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2125 new_omp_context caller.
2126 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2127 Adjust gimplify_scan_omp_clauses callers.
2128 (omp_is_private): Issue errors if iteration variable is firstprivate
2129 or reduction in the current context.
2130 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2131 on combined parallel workshare constructs.
2133 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2135 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2136 (gcc-options.o): New rule.
2138 * optc-gen.awk: Protect variables for gcc-options.o with
2139 #ifdef GCC_DRIVER/#endif.
2141 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2143 Fix PR tree-optimization/27373
2144 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2145 (forward_propagate_addr_expr): Update call.
2147 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2149 * doc/options.texi: Move the Negative option.
2151 2006-05-16 Richard Guenther <rguenther@suse.de>
2153 PR tree-optimization/22303
2154 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2156 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2157 ccp_fold did not simplify the statement.
2159 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2162 * Makefile.in (GCC_OBJS): New.
2163 (OBJS-common): Add opts-common.o.
2164 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2165 (cpp$(exeext)): Likewise.
2166 (gcc.o): Also depend on opts.h.
2167 (opts-common.o): New.
2169 * common.opt (gcoff): Add Negative(gdwarf-2).
2170 (gdwarf-2): Add Negative(gstabs).
2171 (gstabs): Add Negative(gstabs+).
2172 (gstabs+): Add Negative(gvms).
2173 (gvms): Add Negative(gxcoff).
2174 (gxcoff): Add Negative(gxcoff+).
2175 (gxcoff+): Add Negative(gcoff).
2176 * config/i386/i386.opt (m32): Add Negative(m64).
2177 (m64): Add Negative(m32).
2179 * doc/options.texi: Document the Negative option.
2181 * gcc.c: Include "opts.h".
2182 (main): Call prune_options after expandargv.
2184 * optc-gen.awk: Generate common declarations for all flag
2185 variables in options.c. Output the neg_index field.
2187 * opts.c (find_opt): Moved to ...
2188 * opts-common.c: Here. New file.
2190 * opts.h (cl_option): Add a neg_index field.
2192 (prune_options): Likewise.
2194 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2197 * omp-low.c (expand_omp_parallel): Don't assert
2198 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2199 instead search for it.
2202 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2205 2006-05-16 Andreas Schwab <schwab@suse.de>
2207 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2210 2006-05-15 Roger Sayle <roger@eyesopen.com>
2213 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2214 integer constants other than zero are only legitimate on TARGET_64BIT.
2215 <CONST_VECTOR> Only zero vectors are legitimate.
2216 (ix86_cannot_force_const_mem): Integral and vector constants can
2217 always be put in the constant pool.
2219 2006-05-16 DJ Delorie <dj@redhat.com>
2221 * crtstuff.c (__dso_handle): Set section from
2222 TARGET_LBIGCC_SDATA_SECTION if defined.
2223 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2224 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2226 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2229 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2232 2006-05-16 Ben Elliston <bje@au.ibm.com>
2234 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2236 2006-05-15 Per Bothner <per@bothner.com>
2238 * tree.c: (last_annotated_node): Use source_locus typedef.
2239 This permits bootstrapping with --enable-mapped-location.
2241 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2243 PR tree-optimization/26830
2244 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2245 (info_for_ssa_name, current_info_for_ssa_name_age,
2246 blocks_to_update): New variables.
2247 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2248 (clear_ssa_name_info, initialize_flags_in_bb,
2249 mark_block_for_update): New functions.
2250 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2251 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2252 prepare_def_site_for): Use mark_block_for_update.
2253 (mark_def_interesting): Assert that the processed block is marked in
2254 blocks_to_update. Do not take blocks argument.
2255 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2257 (rewrite_update_init_block, rewrite_update_stmt): Only process
2258 blocks with statements to rewrite.
2259 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2260 (update_ssa): Initialize and free blocks_to_update. Do not
2261 clear flags on statements. Do not use blocks bitmap.
2262 * tree.h (SSA_NAME_AUX): Removed.
2263 (struct tree_ssa_name): Removed aux field.
2264 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2266 2006-05-15 Richard Guenther <rguenther@suse.de>
2268 PR tree-optimization/27603
2269 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2270 Do computations in original type.
2272 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2274 * see.c: Code style changes such as redundant paranthesis,
2275 redundant intialization of local variables etc.
2276 (see_main): Declared now as static.
2277 * doc/invoke.texi: Update that -fsee is not enabled by
2280 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2282 * omp-low.c (check_omp_nesting_restrictions): New function.
2283 (scan_omp_1): Call it.
2286 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2287 construct, return *VAR.
2289 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2291 PR rtl-optimization/27406
2292 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2295 2006-05-14 Roger Sayle <roger@eyesopen.com>
2297 PR rtl-optimization/27538
2298 * combine.c (expand_compound_operation): Call gen_lowpart
2299 before calling simplify_shift_const.
2301 2006-05-14 Roger Sayle <roger@eyesopen.com>
2303 PR rtl-optimization/22563
2304 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2305 a fixed width bitfield, always force the intermediates into psuedos.
2307 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2310 * mkconfig.sh: Use operator = instead of == for test.
2312 2006-05-13 Nick Clifton <nickc@redhat.com>
2314 * dwarf2out.c (dbx_reg_number): Check return value from
2315 LEAF_REG_REMAP and only use it if it is valid.
2316 (multiple_reg_loc_descriptor): Likewise.
2318 2006-05-13 Richard Guenther <rguenther@suse.de>
2320 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2323 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2325 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2326 information attached to non-INSNs such as NOTEs.
2327 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2329 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2331 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2333 * config/s390/s390.md: Adjust comment describing On constraint.
2335 2006-05-11 Jan Hubicka <jh@suse.cz>
2337 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2338 to be output at -O0.
2340 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2343 * fold-const.c (size_binop): Move sanity check for arguments to
2344 the beginning of the function.
2347 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2350 2006-05-11 Richard Guenther <rguenther@suse.de>
2353 * fold-const.c (fold_unary): Handle intermediate conversion
2354 to a pointer type like intermediate conversion to an integer
2355 type in folding of (T1)(T2)var to var.
2356 Match the code to the comment in the final conversion for
2357 (T1)(T2)var to (T1)var regarding to type precision. Rather
2358 than disallow T1 being of pointer type, assert that both T1
2359 and var are of pointer type or not. Make sure not to fall
2360 over the frontends lazyness wrt array to pointer decay though.
2362 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2364 * arm.c (arm_struct_value_rtx): Delete.
2365 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2366 (arm_init_cumulative_args): Always initialize nregs to zero.
2368 2006-05-10 Richard Guenther <rguenther@suse.de>
2370 PR tree-optimization/27532
2371 * tree-object-size.c (plus_expr_object_size): Fix typo.
2373 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2376 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2377 ashrdi_const, ashrdi3): Use a scratch register.
2379 2006-05-10 Richard Guenther <rguenther@suse.de>
2381 PR tree-optimization/27302
2382 * fold-const.c (operand_equal_p): For two comparisons,
2383 try comparison of one comparison code swapped if that yields
2386 2006-05-10 Ben Elliston <bje@au.ibm.com>
2388 * tree-pretty-print.c (pretty_print_string): No need to handle
2389 '\0' as a special character.
2391 * tree.h: Include "hashtab.h".
2392 (iterative_hash_expr): Use hashval_t in its prototype.
2393 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2395 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2398 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2399 (hppa*64*-*-hpux11*): Ditto.
2400 (hppa[12]*-*-hpux11*): Ditto.
2402 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2405 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2407 2006-05-09 Michael Matz <matz@suse.de>
2409 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2410 host_extra_gcc_objs and host_xmake_file.
2411 (<*-*-linux*>): Don't overwrite host_xmake_file.
2412 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2413 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2414 (host_detect_local_cpu): Declare.
2415 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2416 * config/i386/i386.c (override_options): Handle -mtune=native
2418 * config/i386/x-i386: New file.
2419 * config/i386/driver-i386.c: New file.
2420 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2423 2006-05-09 Dirk Mueller <dmueller@suse.de>
2424 Richard Guenther <rguenther@suse.de>
2427 * fold-const.c (fold_read_from_constant_string): Relax check
2428 for matching types to matching modes.
2430 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2432 PR rtl-optimization/27335
2433 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2436 2006-05-08 Chao-ying Fu <fu@mips.com>
2437 Richard Sandiford <richard@codesourcery.com>
2439 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2440 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2441 * config/mips/mips.md (UNSPEC_SCC): New constant.
2442 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2443 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2444 (mips_emit_compare): Use it.
2445 (mips_expand_vcondv2sf): New function.
2447 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2449 Fix PR tree-optimization/27093
2450 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2451 renaming when they become not-used_alone.
2453 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2455 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2456 relocation and relocation stubs.
2458 2006-05-08 Eric Christopher <echristo@apple.com>
2460 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2463 2006-05-08 Jan Hubicka <jh@suse.cz>
2466 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2467 unused static functions are needed.
2469 2006-05-08 Roger Sayle <roger@eyesopen.com>
2472 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2473 of a reg_equiv_constant if the result is a legitimate constant.
2475 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2478 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2479 standard 80387 constants, raise the cost to prevent
2480 compress_float_constant() to generate load from memory.
2482 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2484 * config/arm/constraints.md (c): Fix a typo.
2486 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2489 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2492 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2494 (_mm_mwait): Likewise.
2496 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2498 (sse3_monitor): Make it 32bit only.
2499 (sse3_monitor64): New. 64bit monitor.
2501 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2504 * config/i386/i386.c (classify_argument): Skip fields with invalid
2507 2006-05-07 Richard Guenther <rguenther@suse.de>
2509 PR tree-optimization/27409
2510 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2511 Do not try to find zero-sized subvars.
2513 2006-05-07 Richard Guenther <rguenther@suse.de>
2515 PR tree-optimization/27136
2516 * tree-ssa-loop-niter.c (get_val_for): Correct function
2517 comment, assert requirements.
2518 (loop_niter_by_eval): Stop processing if the iterated
2519 value did not simplify.
2521 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2523 * opts.c (flag_see): remove its setting at -O3.
2525 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2527 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2528 * arm/constraints.md: New file.
2529 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2530 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2531 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2532 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2533 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2534 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2535 * arm.md: Include constraints.md.
2536 (thumb_movsi_insn): Use satisfies_constraint_J.
2537 (movhi, movqi): Use satisfies_constraint_I.
2539 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2541 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2542 for atmeg a645 device.
2544 2006-05-06 Richard Guenther <rguenther@suse.de>
2546 PR tree-optimization/27151
2547 * tree-vect-transform.c (vectorizable_condition): Punt on
2548 values that have a different type than the condition.
2550 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2553 * c-parser.c (c_parser_cast_expression): Only insert casts into
2554 hash table if pointer.
2555 * function.c (used_types_insert_helper): Rename from
2557 (used_types_insert): Call used_types_insert_helper.
2558 * function.h (used_types_insert): Accept only one argument.
2560 2006-05-05 David Edelsohn <edesohn@gnu.org>
2562 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2563 scratch with output modifier.
2565 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2568 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2569 with output modifier.
2571 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2574 * config/mips/mips.c (mips_symbolic_address_p): Return true
2575 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2576 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2578 2006-05-04 Richard Guenther <rguenther@suse.de>
2580 PR tree-optimization/14287
2581 PR tree-optimization/14844
2582 PR tree-optimization/19792
2583 PR tree-optimization/21608
2584 PR tree-optimization/27090
2585 * tree-ssa-pre.c (try_combine_conversion): New function.
2586 (compute_avail): After constructing the value-handle
2587 expression, use try_combine_conversion to combine NOP_EXPRs
2588 with previous value-handle expressions and use the result if it
2591 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2593 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2595 2006-05-04 Jan Hubicka <jh@suse.cz>
2598 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2600 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2602 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2603 that this only matches CONST_INTs. All users changed to VOIDmode
2606 * config/bfin/bfin.c: Include "optabs.h".
2607 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2609 (enum bfin_builtins): Add a number of fractional and vector builtins.
2610 (bfin_init_builtins): Likewise.
2611 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2612 (safe_vector_operand, bfin_expand_binop_builtin,
2613 bfin_expand_unop_builtin): New functions.
2614 (bfin_expand_builtin): Handle the new builtins.
2615 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2618 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2621 * Makefile.in (OBJS-common): Add see.o.
2622 (see.o): Add dependencies.
2623 * common.opt (fsee): New flag for the see optimization was added.
2624 * opts.c (flag_see): Initialized.
2625 * passes.c (init_optimization_passes, pass_see): New pass.
2626 * rtl.h (see_main): Declaration as extern.
2627 * timevar.def (TV_SEE): New.
2628 * tree-pass.h (pass_see): Declaration as extern.
2629 * invoke.texi (-fsee): Document.
2630 * recog.c (validate_simplify_insn): New function.
2631 * recog.h (validate_simplify_insn): Declaration as extern.
2632 * df-problems.c (df_chain_dump): Check for NULL.
2634 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2635 Daniel Berlin <dberlin@dberlin.org>
2637 * cfgrtl.c (insert_insn_bb_end_new): New function.
2638 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2640 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2642 * df.h (struct web_entry): Moved from web.c.
2643 (union_defs): Declaration as extern.
2644 (unionfind_root): Likewise.
2645 (unionfind_union): Likewise.
2646 * web.c (struct web_entry): Moved to df.h.
2647 (unionfind_root): Remove static declaration.
2648 (unionfind_union): Likewise.
2649 (union_defs): Likewise and generalize to use callback function.
2650 (web_main): Update arguments for union_defs function call.
2652 2006-05-04 Richard Guenther <rguenther@suse.de>
2654 PR tree-optimization/26447
2655 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2656 produce SSA_NAME copies before the store stmt to avoid
2657 breaking exception handling.
2659 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2662 * gimplify.c (omp_is_private): If var is shared in some outer context,
2663 return false instead of true. Stop searching on parallel context
2666 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2669 * coverage.c: Use get_gcov_unsigned_t() instead of
2670 unsigned_type_node all over.
2672 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2674 PR tree-optimization/27381
2675 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2676 maintain the same immediate_use links.
2677 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2678 node rather than segfaulting.
2680 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2683 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2684 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2685 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2687 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2689 Fix PR tree-optimization/26626
2690 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2692 * tree-ssa-operands.c (access_can_touch_variable): Allow
2693 typecasting through union pointers.
2695 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2698 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2699 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2700 to find if var will be a global variable even in the nested context.
2701 (omp_copy_decl): Only check for global variable at the end, it might
2702 be overridden in outer contexts.
2703 (scan_sharing_clauses): For global variables don't create a field.
2704 (lower_rec_input_clauses): Do nothing for global shared variables.
2705 Emit a barrier at the end of ILIST if there were any decls in both
2706 firstprivate and lastprivate clauses.
2707 (lower_send_clauses): Do nothing for global variables except for
2710 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2712 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2713 of the correct signedness is returned.
2715 2006-05-02 Jeff Law <law@redhat.com>
2717 PR tree-optimization/27364
2718 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2719 multiply expressions.
2721 2006-05-02 Tom Tromey <tromey@redhat.com>
2723 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2725 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2728 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2729 -mthumb -fPIC are used.
2731 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2732 Joshua Kinard <kumba@gentoo.org>
2735 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2736 with 64-bit pointers.
2738 2006-05-02 Paul Brook <paul@codesourcery.com>
2740 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2742 (create_fix_barrier): Check that a suitable barrier location is
2744 (arm_reorg): Include ftmp->address in allowable range of addresses.
2746 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2749 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2752 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2755 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2756 around RESULT_DECL for result passed by reference.
2757 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2758 * omp-low.c (use_pointer_for_field): Don't look at
2759 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2760 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2761 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2762 time or var for passing by reference for
2763 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2764 TREE_ADDRESSABLE variables when passing by reference.
2766 * omp-low.c (dump_omp_region): Fix output formatting.
2769 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2770 (expand_omp_parallel): Likewise.
2771 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2774 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2775 on statement list containing also constructors and destructors.
2776 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2779 * except.c (duplicate_eh_regions): Fix clearing of
2780 cfun->eh->region_array entries.
2782 2006-05-01 DJ Delorie <dj@redhat.com>
2784 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2786 (gcc_cv_objdump): Likewise.
2787 * configure: Regenerated.
2789 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2792 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2793 templates for case 3 and 4.
2795 2006-05-01 DJ Delorie <dj@redhat.com>
2797 * vec.c: Include bconfig.h when appropriate.
2798 * Makefile.in (build/vec.o): Adjust dependencies.
2799 * mkconfig.sh: Make sure config.h isn't used for build machine
2802 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2804 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2806 (mark_phi_for_rewrite): New function.
2807 (insert_phi_nodes_for, mark_use_interesting): Call
2808 mark_phi_for_rewrite.
2809 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2810 (update_ssa): Initialize and free phis_to_rewrite.
2812 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2814 PR rtl-optimization/27291
2815 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2816 folded to a constant.
2818 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2820 PR tree-optimization/27283
2821 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2822 not whole # of iteration descriptions.
2823 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2824 uses abnormal ssa name.
2825 (niter_for_single_dom_exit): Ditto.
2826 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2827 return just the number of iterations.
2829 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2831 PR tree-optimization/27144
2832 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2833 (record_estimate): Only record constant upper bound.
2834 (infer_loop_bounds_from_undefined): Call
2835 compute_estimated_nb_iterations just once.
2836 (proved_non_wrapping_p): Renamed to ...
2837 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2838 (convert_step_widening, scev_probably_wraps_p): Call
2839 n_of_executions_at_most instead of proved_non_wrapping_p.
2840 (substitute_in_loop_info): Do not replace values in bounds.
2841 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2844 2006-05-01 Richard Henderson <rth@redhat.com>
2847 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2848 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2851 2006-05-01 Roger Sayle <roger@eyesopen.com>
2853 * c-typeck.c (parser_build_binary_op): Don't call the function
2854 unsigned_conversion_warning to spot operand/result type overflow.
2855 (build_binary_op): Instead, call convert_and_check instead of
2856 convert to report the problem when the operands are promoted.
2857 * c-common.c (unsigned_conversion_warning): Make static.
2858 * c-common.h (unsigned_conversion_warning): Delete prototype.
2860 2006-05-01 Richard Guenther <rguenther@suse.de>
2862 PR tree-optimization/26726
2863 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2865 (find_interesting_uses_address): ... we work around here
2866 by folding INDIRECT_REFs in the substituted base.
2868 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2870 * omp-low.c (dump_omp_region): Add newlines.
2872 2006-04-30 Roger Sayle <roger@eyesopen.com>
2874 * common.opt (Woverflow): New command line option.
2875 * c-common.c (constant_expression_warning): Check warn_overflow.
2876 (overflow_waring): Pass OPT_Woverflow to warning.
2877 (unsigned_conversion_warning): Likewise.
2878 (convert_and_check): Likewise.
2879 * doc/invoke.texi: Document new command line option.
2881 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2883 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2884 TARGET_NO_FP_IN_TOC for section anchors.
2885 (optimization_options): Enable section anchors for all
2886 non-"Objective" languages.
2888 2006-04-28 Eric Christopher <echristo@apple.com>
2890 * config/darwin-c.c (darwin_ms_struct): Move this
2891 (darwin_set_default_type_attributes): and this...
2892 * config/darwin.c: ... here.
2893 * config/darwin.h (darwin_ms_struct): Declare.
2895 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2897 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2899 2006-04-28 Roger Sayle <roger@eyesopen.com>
2902 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2903 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2904 an unsigned HOST_WIDE_INT.
2905 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2907 (really_start_incremental_init): No need to call convert because
2908 bitsize_zero_node is already of type bitsizetype.
2909 (push_init_level): Extract the value of constructor_index as an
2910 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2911 (process_init_element): Likewise.
2913 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2915 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2916 value before passing to make_relative_prefix.
2918 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2921 * builtins.c (expand_builtin_memset): Expand val in original mode.
2923 2006-04-27 Eric Christopher <echristo@apple.com>
2925 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2926 with #ifndef/#endif.
2927 * config/darwin-c.c (darwin_ms_struct): New.
2928 (darwin_pragma_ms_struct): Ditto.
2929 (darwin_set_default_type_attributes): Ditto.
2930 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2931 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2932 Register ms_struct pragma.
2933 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2934 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2935 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2936 darwin_set_default_type_attributes if TARGET_MACHO.
2938 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2940 PR tree-optimization/26854
2941 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2942 * doc/tree-ssa.texi: Update immuse iterator documentation.
2943 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2944 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2945 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2946 first_safe_imm_use, next_safe_imm_use): Remove.
2947 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2948 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2949 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2950 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2951 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2952 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2953 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2954 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2955 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2956 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2957 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2958 (perfect_nestify): Use new iterator.
2959 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2961 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2962 (next_imm_name): New field in struct immediate_use_iterator_d.
2963 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2964 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2965 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2966 * tree-cfg.c (replace_uses_by): Use new iterator.
2967 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2968 * tree-ssa-operands.c (correct_use_link): Remove.
2969 (finalize_ssa_use_ops): No longer call correct_use_link.
2971 2006-04-27 Stuart Hastings <stuart@apple.com>
2973 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2974 * config/t-darwin (crt3.o): Use it.
2975 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2976 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2977 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2978 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2979 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2982 2006-04-27 Roger Sayle <roger@eyesopen.com>
2984 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2985 size, force the intermediate into a new pseudo rather instead of
2986 performing both a bitwise AND and a bitwise IOR in memory.
2988 2006-04-27 Richard Guenther <rguenther@suse.de>
2990 PR rtl-optimization/26685
2991 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2992 this one "max-flow-memory-locations".
2994 2006-04-27 Richard Guenther <rguenther@suse.de>
2996 PR tree-optimization/25148
2997 * tree-vrp.c (compare_values): Remove code dealing with
2998 comparisons against type min/max value. Honour overflow
2999 and negative constants in code dealing with comparisons
3000 of plus and minus expressions.
3001 (value_inside_range): Use fold_binary with LE_EXPR and
3002 GE_EXPR rather than compare_values.
3004 2006-04-27 Dirk Mueller <dmueller@suse.de>
3006 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3009 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3011 * basic-block.h (safe_insert_insn_on_edge): Removed.
3012 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3014 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3015 Paolo Bonzini <bonzini@gnu.org>
3018 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3019 (simplify_and_const_int): Same.
3021 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3023 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3025 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3028 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3029 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3030 cgraph_global_info_ready.
3033 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3036 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3037 either decl or init is error_mark_node.
3040 * tree-flow.h (struct omp_region): Add sched_kind.
3041 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3042 instead of extracting omp for data.
3043 (expand_omp_for): Save extracted sched_kind.
3045 2006-04-25 Roger Sayle <roger@eyesopen.com>
3047 * expmed.c (store_bit_field): Also check whether the bitsize is
3048 valid for the machine's "insv" instruction before moving the
3049 target into a pseudo for use with the insv.
3050 * config/i386/predicates.md (const8_operand): New predicate.
3051 * config/i386/i386.md (extv, extzv, insv): Use the new
3052 const8_operand predicate where appropriate.
3054 2006-04-25 DJ Delorie <dj@redhat.com>
3056 * doc/install.texi (Specific): Clarify that this is not a list of
3057 supported hosts or targets.
3059 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3061 PR rtl-optimization/26725
3062 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3063 block's BB_DIRTY flag.
3065 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3067 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3070 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3071 to print an integer.
3073 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3075 * varasm.c (align_variable): New function.
3076 (get_block_for_decl): Apply align_variable to DECL before
3077 calculating section information.
3078 (assemble_variable): Split out alignment computation.
3080 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3082 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3085 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3087 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3088 MODE_PARTIAL_INT mode.
3089 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3090 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3092 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3093 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3095 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3097 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3099 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3100 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3101 MACFLAG_IH): Likewise.
3102 (movstricthi_1): Renamed from "*movstricthi".
3103 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3104 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3105 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3106 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3107 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3108 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3109 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3110 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3111 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3112 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3113 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3114 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3115 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3116 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3117 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3119 * doc/rtl.texi (ss_ashift): Improve wording.
3121 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3123 * dwarf2out.c (verify_marks_clear): New.
3124 (prune_unused_types): Call verify_marks_clear initially, not
3127 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3129 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3130 * doc/rtl.texi: Document them.
3131 * simplify-rtx.c (simplify_unary_operation,
3132 simplify_binary_operation_1): Don't abort when we see them.
3134 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3137 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3138 * configure.ac: Completely disregard languages that are not
3140 * configure: Regenerated.
3142 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3143 Richard Guenther <rguenther@suse.de>
3145 PR tree-optimization/27236
3146 * tree-inline.c (copy_body_r): Make sure to copy
3147 TREE_THIS_VOLATILE flag.
3149 2006-04-24 Richard Guenther <rguenther@suse.de>
3152 * tree-complex.c (update_parameter_components): Don't handle
3153 unused parameters which have no default def.
3155 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3156 Richard Guenther <rguenther@suse.de>
3158 PR tree-optimization/27218
3159 * tree-inline.c (expand_call_inline): Strip useless type
3160 conversions for the return slot address.
3162 2006-04-24 Richard Guenther <rguenther@suse.de>
3164 * cfgloop.h (struct loops): Remove unused field array. Reorder
3166 (LOOP_PREFETCH): Remove.
3168 2006-04-24 Richard Guenther <rguenther@suse.de>
3170 PR tree-optimization/22525
3171 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3172 variable, adjust types of generated expressions.
3174 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3176 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3177 (tree-vect-patterns.o): Likewise.
3179 (cselib.o): Likewise.
3180 (loop-doloop.o): Likewise.
3181 (regclass.o): Likewise.
3182 (reload1.o): Likewise.
3183 (explow.o): Replace target.h with $(TARGET_H).
3184 (ipa-prop.o): Likewise.
3185 (ipa-cp.o): Likewise.
3186 (ipa-inline.o): Likewise.
3187 (reorg.o): Likewise.
3188 (reg-stack.o): Likewise.
3190 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3192 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3194 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3196 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3198 * configure.ac: Completely disregard languages that are not
3200 * configure: Regenerated.
3203 * c-common.h (c_build_bitfield_integer_type): Declare.
3204 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3205 * c-common.c (c_build_bitfield_integer_type): ... here.
3207 2006-04-23 Roger Sayle <roger@eyesopen.com>
3210 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3211 a SImode SUBREG of a floating point register after no_new_pseudos.
3213 2006-04-23 Roger Sayle <roger@eyesopen.com>
3215 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3216 identify potentially eliminable registers to additionally catch
3217 VIRTUAL_INCOMING_ARGS_REGNUM.
3218 (addsi3): Update the conditions on when to use addsi_small_int.
3220 2006-04-23 Roger Sayle <roger@eyesopen.com>
3223 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3224 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3225 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3227 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3229 * fold-const.c (range_predecessor): Use operand_equal_p
3230 as the predicate for equality.
3231 (range_successor): Likewise.
3233 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3236 * config/soft-fp/op-common.h: Fix a typo.
3238 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3241 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3242 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3244 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3246 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3248 * doc/tm.texi: Fix a typo.
3250 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3252 * dwarf2out.c (struct die_struct): Document that die_sib makes
3253 a circular linked list.
3254 (FOR_EACH_CHILD): New.
3255 (reverse_die_lists): Delete.
3256 (reverse_all_dies): Delete.
3257 (add_dwarf_attr): Correct documentation.
3258 (remove_child_with_prev): New.
3259 (remove_child_TAG): Update for change to die_struct, use
3260 remove_child_with_prev.
3261 (add_child_die): Update for change to die_struct.
3262 (splice_child_die): Use remove_child_with_prev and add_child_die.
3263 (print_die): Use FOR_EACH_CHILD.
3264 (die_checksum): Likewise.
3265 (assign_symbol_names): Likewise.
3266 (output_location_lists): Likewise.
3267 (build_abbrev_table): Likewise.
3268 (calc_die_sizes): Likewise.
3269 (mark_dies): Likewise.
3270 (unmark_dies): Likewise.
3271 (unmark_all_dies): Likewise.
3272 (output_die): Likewise.
3273 (prune_unused_types_mark): Likewise.
3274 (prune_unused_types_walk): Likewise.
3275 (same_die_p): Update for change to die_struct.
3276 (break_out_includes): Likewise.
3277 (prune_unused_types_prune): Likewise.
3278 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3279 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3281 (dwarf2out_finish): Don't call reverse_all_dies.
3283 2006-04-21 Eric Christopher <echristo@apple.com>
3285 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3286 in comments and function names.
3288 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3291 * c-typeck.c (digest_init): Robustify.
3293 * c-typeck.c (pop_init_level): Simplify.
3295 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3297 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3299 2006-04-21 Paul Brook <paul@codesourcery.com>
3301 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3302 hardware floating point.
3304 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3306 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3309 2006-04-21 Nick Clifton <nickc@redhat.com>
3311 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3314 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3317 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3318 C++ lang type in traceback table for Objective-C++.
3320 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3322 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3324 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3326 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3329 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3330 were errors. Remove check for erroneous objects.
3332 2006-04-20 Jeff Law <law@redhat.com>
3334 PR tree-optimization/26854
3335 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3336 checking for zero or one use.
3337 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3338 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3339 * tree-ssa-reassoc.c (negate_value): Similarly.
3340 (reassociate_bb): Similarly.
3342 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3344 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3345 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3346 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3348 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3350 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3351 fp regs if the last fp arg doesn't fit in regs.
3353 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3356 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3357 that the last insn has the REG_INC note.
3359 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3360 Nathan Sidwell <nathan@codesourcery.com>
3363 * stor-layout.c (update_alignment_for_field): Do not align
3365 (place_union_field): Place union field at the start of the union.
3366 (place_field): Move ERROR_MARK check later, and use the current
3367 allocation position to maintain monotonicity.
3369 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3371 * dominance.c: Include timevar.h.
3372 (calculate_dominance_info): Use TV_DOMINANCE.
3373 * timevar.def (TV_DOMINANCE): New timevar.
3374 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3376 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3378 PR rtl-optimization/14261
3379 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3380 move would be an INSV insn.
3381 (noce_process_if_block): Don't optimize if the destination is a
3382 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3384 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3386 * config/s390/s390.md: Add comments with the instructions emitted
3387 by an insn pattern if macros are used.
3389 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3391 PR rtl-optimization/26026
3392 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3393 is a known power of two shifted left a variable amount.
3395 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3397 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3398 to hash table twice when the debug_str section has SECTION_MERGE.
3400 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3402 * config/soft-fp: New directory. From glibc.
3403 * config/soft-fp/t-softfp: New.
3404 * config/soft-fp/README: New.
3405 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3406 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3407 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3408 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3409 * config.gcc: Use rs6000/t-fprules-fpbit or
3410 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3412 * config/rs6000/sfp-machine.h: New. Based on glibc.
3413 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3415 * config/rs6000/t-fprules: Remove fp-bit rules.
3416 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3417 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3418 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3419 (softfp_wrap_start, softfp_wrap_end): New.
3421 2006-04-18 DJ Delorie <dj@redhat.com>
3423 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3425 2006-04-18 Devang Patel <dpatel@apple.com>
3427 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3429 2006-04-18 Nick Clifton <nickc@redhat.com>
3431 * config/sh/t-symbian: Add rule to build sh-c.o
3432 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3433 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3434 (sh_symbian_encode_section_info): Likewise.
3436 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3438 * builtins.c (expand_builtin_strcmp): Cover label definition of
3439 do_libcall with HAVE_cmpstrnsi.
3441 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3443 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3445 * function.h (temp_slot_p): New.
3446 (function): Change the type of x_used_temp_slots to
3447 VEC(temp_slot_p,gc) *.
3449 2006-04-18 Nick Clifton <nickc@redhat.com>
3451 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3452 flag_strength_reduce.
3454 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3456 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3460 Partial revert of revision 112637
3461 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3462 Dale Johannesen <dalej@apple.com>
3465 * regclass.c (struct reg_pref): Update documentation.
3466 (regclass): Set prefclass to NO_REGS if memory is the best option.
3467 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3469 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3471 PR tree-optimization/26821
3472 * tree-ssa-math-opts.c (get_constant_one): New.
3473 (insert_reciprocals): Use it.
3475 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3477 * dwarf2out.c (free_AT): Delete.
3478 (remove_AT): Update string ref counts.
3479 (remove_child_TAG): Don't call free_die.
3481 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3482 or DW_TAG_GNU_EINCL.
3483 (prune_unused_types_walk_attribs): Reset string refcounts.
3484 (prune_unused_types_update_strings): New.
3485 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3486 call free_die. Do call prune_unused_types_update_strings.
3487 (prune_unused_types): Empty debug_str_hash.
3489 2006-04-17 Roger Sayle <roger@eyesopen.com>
3491 * expr.c (expand_assignment): Optimize away no-op moves where the
3492 source and destination are equal and have no side-effects.
3494 2006-04-17 Richard Guenther <rguenther@suse.de>
3497 * reload.c (push_reload): Guard calls to get_secondary_mem
3500 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3502 * alias.c (reg_base_value, old_reg_base_value): Change the
3503 type to VEC(rtx,gc) *.
3504 (REG_BASE_VALUE, find_base_value, record_set,
3505 init_alias_analysis): Use VEC instead of VARRAY.
3507 * alias.c (alias_sets): Change the type to
3508 VEC(alias_set_entry,gc) *.
3509 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3510 VEC instead of VARRAY.
3511 (last_alias_set): Remove.
3513 * cgraph.h (cgraph_edge_p): New.
3514 Update the prototype of cgraph_function_versioning.
3515 * cgraphunit.c (cgraph_copy_node_for_versioning,
3516 cgraph_function_versioning): Use VEC instead of VARRAY.
3517 * ipa-cp.c (ipcp_insert_stage): Likewise.
3519 2006-04-16 Roger Sayle <roger@eyesopen.com>
3522 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3523 "A op B" or "A op C", we may need to convert A to the type of B and C.
3525 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3527 * target.h (struct gcc_target): Add mode_rep_extended.
3528 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3529 (init_num_sign_bit_copies_in_rep): Initialize it using
3531 (truncate_to_mode): Use it.
3532 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3533 * targhooks.h (default_mode_rep_extended): Declare it.
3534 * targhooks.c (default_mode_rep_extended): Define it.
3535 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3536 default_mode_rep_extended.
3537 (TARGET_INITIALIZER): Include it.
3538 * doc/tm.texi (Misc): Document it.
3539 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3540 (mips_truncated_to_mode): New function.
3542 2006-04-16 Roger Sayle <roger@eyesopen.com>
3545 * expr.c (compress_float_constant): Copy the narrow constant into
3546 a new pseudo before extending it to its final width.
3548 2006-04-16 Roger Sayle <roger@eyesopen.com>
3549 Andrew Pinski <pinskia@gcc.gnu.org>
3550 Dale Johannesen <dalej@apple.com>
3553 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3554 special case code to implement V8HImode and V16QImode with SSE2.
3556 2006-04-15 Roger Sayle <roger@eyesopen.com>
3558 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3559 trees are constructed with a suitable tree type.
3561 2006-04-15 Roger Sayle <roger@eyesopen.com>
3563 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3564 (integer_onep): Likewise.
3565 (integer_all_onesp): Likewise.
3566 (integer_pow2p): Likewise.
3567 (integer_nonzerop): Likewise.
3568 (real_zerop): Likewise.
3569 (real_onep): Likewise.
3570 (real_twop): Likewise.
3571 (real_minus_onep): Likewise.
3572 (int_size_in_bytes): Likewise.
3573 (host_integerp): Likewise.
3575 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3577 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3578 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3579 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3581 * tree-ssa-structalias.h (alias_info): Remove num_references.
3583 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3585 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3586 (output_bvb patterns): Likewise.
3587 * pa.c (output_bb): Use 'bb' insn for long branch case.
3588 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3589 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3590 1. Correct length operand for alternatives 1 and 2.
3591 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3592 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3594 2006-04-14 Roger Sayle <roger@eyesopen.com>
3596 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3597 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3598 were accidentally reverted by r112959.
3600 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3603 * except.h (eh_region_outermost): New prototype.
3604 * except.c (eh_region_outermost): New function.
3605 * tree-cfg.c (find_outermost_region_in_block): Use it.
3607 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3609 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3611 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3612 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3613 (init_reload, reload): Use VEC instead of VARRAY.
3614 * reload.h: Update the prototype for
3615 reg_equiv_memory_loc_varray.
3617 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3618 Eric Botcazou <ebotcazou@libertysurf.fr>
3620 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3623 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3626 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3627 to expand fallback builtin function call.
3629 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3632 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3633 and emit libcall here in case the builtin fails.
3634 (expand_builtin_strcmp): Always emit the libcall here on failure.
3636 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3638 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3639 * flow.c (reg_n_info): Change the type to
3640 VEC(reg_info_p,heap) *.
3641 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3643 * regs.h (reg_info_p): New.
3644 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3645 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3646 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3649 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3651 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3653 * params.h (MAX_SCHED_READY_INSNS): New macro.
3654 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3655 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3656 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3657 the ready list for 1 cycle during the first scheduling pass.
3658 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3660 2006-04-13 Richard Henderson <rth@redhat.com>
3663 * gimple-low.c (lower_omp_directive): Remove dead code.
3664 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3665 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3666 * omp-low.c (struct omp_region): Move to tree-flow.h.
3667 (root_omp_region): Export.
3668 (omp_regions, lookup_omp_region): Remove.
3669 (determine_parallel_type): Update for struct omp_region changes.
3670 (dump_omp_region): Dump regions with block numbers.
3671 (new_omp_region): Take type and block instead of stmt; malloc
3673 (free_omp_region_1, free_omp_regions): New.
3674 (expand_parallel_call): Take entry_stmt as argument; update for
3675 changes to omp_region.
3676 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3677 (remove_exit_barriers): New.
3678 (expand_omp_parallel): Update for struct omp_region changes.
3679 (expand_omp_synch): Likewise.
3680 (expand_omp): Likewise.
3681 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3682 (expand_omp_for_static_chunk): Likewise.
3683 (expand_omp_for): Likewise.
3684 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3685 (expand_omp_sections): Similarly, with GOMP_sections_end.
3686 (expand_omp_single): New.
3687 (build_omp_regions_1): Update for OMP_CONTINUE.
3688 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3689 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3690 OMP_SECTIONS_SECTIONS.
3691 (lower_omp_single_simple): Don't emit barrier here.
3692 (lower_omp_single_copy): Likewise.
3693 (lower_omp_single): Fix bindings, and lower to straightline now.
3694 (lower_omp_master, lower_omp_ordered): Likewise.
3695 (lower_omp_critical): Likewise.
3696 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3697 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3698 omp edges, free it afterward.
3699 (make_omp_sections_edges): Remove.
3700 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3701 (move_stmt_r): Handle OMP_CONTINUE.
3702 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3703 statement pointers to basic blocks. Add type member.
3704 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3705 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3706 * tree-inline.c (estimate_num_insns_1): Likewise.
3707 * tree-pretty-print.c (dump_generic_node): Likewise.
3708 * tree-ssa-operands.c (get_expr_operands): Likewise.
3709 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3710 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3711 (OMP_CONTINUE): New.
3712 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3713 (OMP_SECTIONS_SECTIONS): Remove.
3714 (OMP_SECTION_LAST): New.
3715 (OMP_RETURN_NOWAIT): New.
3717 2006-04-13 Roger Sayle <roger@eyesopen.com>
3719 * fold-const.c (native_encode_vector, native_interpret_real):
3720 Correct obvious mistakes in the previous check-in.
3722 2006-04-13 Roger Sayle <roger@eyesopen.com>
3724 * fold-const.c (native_encode_expr): New function to encode
3725 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3726 or VECTOR_CST into a specified buffer.
3727 (native_encode_int): New function.
3728 (native_encode_real): New function.
3729 (native_encode_complex): New function.
3730 (native_encode_vector): New function.
3731 (native_interpret_expr): Inverse of native_encode_expr to convert
3732 a target representation into an INTEGER_CST, REAL_CST etc...
3733 (native_interpret_int): New function.
3734 (native_interpret_real): New function.
3735 (native_interpret_complex): New function.
3736 (native_interpret_vector): New function.
3737 (fold_view_convert_expr): New function to constant fold/evaluate
3738 a VIEW_CONVERT_EXPR of a suitable constant expression.
3739 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3740 Change call of build1 to fold_build1 when constructing a
3743 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3744 Ulrich Weigand <uweigand@de.ibm.com>
3747 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3750 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3753 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3754 optimize to lo_sum for DFmode if !TARGET_FPRS.
3756 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3758 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3759 delete_alias_info, compute_flow_sensitive_aliasing,
3760 group_aliases): Use VEC instead of VARRAY.
3761 * tree-ssa-structalias.c (update_alias_info): Likewise.
3762 * tree-ssa-structalias.h (alias_info): Change the type of
3763 processed_ptrs to VEC(tree,heap) *.
3765 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3768 * config/sh/lib1funcs.h: New file, broken out of:
3769 * config/sh/lib1funcs.asm.
3770 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3772 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3773 * config/sh/lib1funcs-Os-4-200.asm: New file.
3774 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3775 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3776 (EXTRA_MULTILIB_PARTS): Include it.
3777 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3778 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3779 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3780 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3783 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3785 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3786 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3787 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3789 * tree-ssa-live.h: Include vecprim.h.
3790 (tree_partition_associator_d): Change the type of
3791 first_partition to VEC(int,heap) *.
3792 (tpa_first_partition): Use VEC instead of VARRAY.
3794 * Makefile.in (GTFILES): Move functions.h after tree.h.
3795 * function.c (reset_block_changes, record_block_change,
3796 check_block_change, free_block_changes): Use VEC instead of
3798 * function.h (function): Change the type of
3799 ib_boundaries_block to VEC(tree,gc) *.
3800 * tree-inline.c (copy_cfg_body): Initialize
3801 ib_boundaries_block to NULL instead of (varray_type) 0.
3803 2006-04-12 Roger Sayle <roger@eyesopen.com>
3805 * expr.c (emit_group_store): Correct operand order in call to
3806 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3807 a SUBREG_BYTE of zero.
3809 2006-04-12 Richard Guenther <rguenther@suse.de>
3811 * profile.c (compute_branch_probabilities): Remove code
3812 encapsulated in !ir_type (), which are remanents of the
3813 removed RTL profiling code.
3814 * rtl-profile.c: Remove.
3816 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3818 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3819 magic NULL_RTX comment.
3820 (function_arg): Store entire fp arg to mem if any part should go
3822 (rs6000_arg_partial_bytes): Adjust for above change.
3824 2006-04-11 Roger Sayle <roger@eyesopen.com>
3826 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3827 if it hasn't been initialized by dwarf2out_init.
3829 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3831 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3832 symbolic constants in branch patterns.
3834 2006-04-11 Roger Sayle <roger@eyesopen.com>
3836 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3838 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3840 PR rtl-optimization/27073
3841 * gcse.c (try_replace_reg): Revert last change. Continue to search
3842 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3845 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3847 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3848 aggregate types other than record and union types.
3849 (function_arg): Likewise.
3850 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3852 (function_value): In 64-bit mode, return objects that require it
3855 2006-04-11 Roger Sayle <roger@eyesopen.com>
3857 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3859 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3861 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3863 2006-04-03 Jeff Law <law@redhat.com>
3866 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3867 alias information too.
3869 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3871 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3873 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3876 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3877 (premark_used_types_helper): New.
3878 (premark_used_types): New.
3879 (gen_subprogram_die): Call premark_used_types.
3880 (prune_unused_types_walk): Do not prune perennial dies.
3881 * function.c (used_types_insert): New.
3882 * function.h (struct function): Add used_types_hash field.
3883 (used_types_insert): Add prototype.
3884 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3885 * c-parser.c (c_parser_cast_expression): Save casted types in used
3888 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3891 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3892 rs6000_explicit_options.float_gprs.
3894 2006-04-10 Roger Sayle <roger@eyesopen.com>
3896 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3897 from ix86_expand_vector_init_low_nonzero. Take an additional
3898 one_var argument indicating which element is non-zero. Support
3899 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3900 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3901 with one_var instead of ix86_expand_vector_init_low_nonzero.
3903 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3905 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3906 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3907 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3908 build/genextract.o): Depend on vecprim.h.
3909 * cfglayout.c, df-problems.c, function.c, genextract.c,
3910 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3911 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3915 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3917 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3918 Declare VECs of this type.
3919 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3920 (remove_children): Delete.
3921 (add_dwarf_attr): Use VEC routines.
3922 (add_AT_flag): Update for changes to add_dwarf_attr.
3923 (add_AT_int): Likewise.
3924 (add_AT_unsigned): Likewise.
3925 (add_AT_long_long): Likewise.
3926 (add_AT_vec): Likewise.
3927 (add_AT_string): Likewise.
3928 (add_AT_die_ref): Likewise.
3929 (add_AT_fde_ref): Likewise.
3930 (add_AT_loc): Likewise.
3931 (add_AT_loc_list): Likewise.
3932 (add_AT_addr): Likewise.
3933 (add_AT_lbl_id): Likewise.
3934 (add_AT_lineptr): Likewise.
3935 (add_AT_macptr): Likewise.
3936 (add_AT_offset): Likewise.
3937 (add_AT_range_list): Likewise.
3938 (get_AT): Use VEC_iterate.
3939 (remove_AT): Use VEC_ordered_remove.
3940 (free_die): Fold remove_children into here; have it use VEC_iterate.
3941 (print_die): Use VEC_iterate on attrs.
3942 (reverse_die_lists): Don't reverse attr lists.
3943 (die_checksum): Use VEC_iterate on attrs.
3944 (same_die_p): Likewise.
3945 (output_location_lists): Likewise.
3946 (build_abbrev_table): Likewise.
3947 (size_of_die): Likewise.
3948 (unmark_all_dies): Likewise.
3949 (output_abbrev_section): Likewise.
3950 (output_die): Likewise.
3951 (prune_unused_types_walk_attribs): Likewise.
3953 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3955 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3957 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3960 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3962 2006-04-09 Roger Sayle <roger@eyesopen.com>
3964 * expr.c (store_constructor): Don't bother clearing target if
3965 we're about to assign a vector to it using vec_init_optab.
3967 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3969 * tree-ssa-alias.c (lhs_may_store_to): New function.
3970 (recalculate_used_alone): Handle LHS of calls.
3972 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3976 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3977 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3978 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3979 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3980 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3981 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3982 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3983 stubs. Add ".align 8" directives before all ".dword" directives.
3984 (GTHREAD_USE_WEAK): Revise comment.
3985 (TARGET_ATTRIBUTE_WEAK): Define.
3986 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3987 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3988 * stublib.c: New file.
3993 * pa.md (cbranch patterns): Revise arguments used in calls to
3994 output_cbranch, output_bb and output_bvd. Add long branch length
3996 (fbranch patterns): Handle long branches.
3997 (jump): Revise length check. Revise arguments for output_lbranch call.
3998 Add long branch length attributes.
3999 (decrement_and_branch_until_zero): Add long branch length attributes.
4000 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4001 Likewise. Revise arguments for output_parallel_addb and
4002 output_parallel_movb calls.
4003 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4004 output_parallel_movb and output_parallel_addb): Update prototypes.
4005 * pa.c (output_cbranch): Revise arguments. Correct handling of
4006 nullification in long branches.
4007 (output_lbranch): Add new argument to control extraction of delay
4009 (output_bb): Handle long branches.
4010 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4011 output_parallel_addb): Likewise.
4013 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4015 PR rtl-optimization/27073
4016 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4019 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4021 * tree.h (tree_memory_tag): Add old_used_alone.
4022 (SMT_OLD_USED_ALONE): New macro.
4023 * tree-ssa-alias.c (recalculate_used_alone): Stop
4024 marking things for renaming unnecessarily.
4026 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4028 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4029 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4030 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4031 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4032 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4033 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4034 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4035 spelling convensions.
4036 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4037 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4038 typos. Follow spelling conventions.
4040 2006-04-07 DJ Delorie <dj@redhat.com>
4042 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4043 passed on the stack.
4044 (m32c_init_cumulative_args): When a function returns a structure,
4045 always pass the pointer to that return area on the stack.
4046 (m32c_function_arg_advance): Don't increment the parameter number
4047 if we're processing the returned structure pointer.
4048 (pushm_info): Reverse order of registers.
4050 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4052 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4053 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4054 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4055 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4057 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4058 chrec_fold_multiply): Same.
4059 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4060 force_expr_to_var_cost): Same.
4061 * tree-mudflap.c (mf_xform_derefs_1): Same.
4062 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4064 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4066 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4067 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4070 2006-04-07 Jan Hubicka <jh@suse.cz>
4072 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4074 2006-04-07 Richard Guenther <rguenther@suse.de>
4076 PR tree-optimization/26135
4077 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4078 loads for store copy-prop.
4079 (copy_prop_visit_stmt): Likewise.
4081 2006-04-05 Robert Millan <robertmh@gnu.org>
4083 * config/i386/linux.h: Add a comment to mark macros that are
4084 being overriden in config/k*bsd-gnu.h.
4085 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4087 * config/knetbsd-gnu.h: Ditto.
4089 2006-04-06 Jan Hubicka <jh@suse.cz>
4093 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4096 2006-04-06 Mike Stump <mrs@apple.com>
4098 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4099 for HAVE_nonlocal_goto to be consistent.
4100 (expand_builtin_nonlocal_goto): Likewise.
4101 (expand_builtin_strcmp): Use #ifdef instead of #if
4102 for HAVE_cmpstrnsi to be consistent.
4104 2006-04-05 DJ Delorie <dj@redhat.com>
4106 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4109 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4111 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4112 got-relative addressing for anything but SImode.
4114 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4115 even if the calling function doesn't modify them.
4117 2006-04-05 Richard Guenther <rguenther@suse.de>
4119 PR tree-optimization/26919
4120 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4121 to cgraph_estimate_size_after_inlining.
4123 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4125 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4127 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4129 PR tree-optimization/26996
4130 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4131 VECTOR_TYPE variables.
4133 2006-04-05 Richard Guenther <rguenther@suse.de>
4135 PR tree-optimization/26763
4136 * fold-const.c (fold_comparison): Move folding of
4137 PTR + CST CMP PTR + CST ...
4138 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4140 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4142 * doc/install.texi (Prerequisites): Refine some wording on
4143 bootstrapping and ksh.
4144 Move the version numbers of DejaGnu here from the testing section
4145 and fix casing of names.
4146 Fix markup and clarify wording for autogen requirements.
4147 Refer to GCJ instead of just java.
4148 Refer to SVN instead of CVS.
4149 Describe diffutils as useful instead of necessary.
4150 (Downloading the source): Refer to SVN instead of CVS.
4151 Adjust a link to our web site accordingly.
4152 (Configuration): Fix casing of Bison.
4153 (Building): Refer to SVN instead of CVS.
4154 Fix a sentence on the use of Bison and remove duplicate (and
4155 incorrect) version number of Bison requirement.
4156 Remove one redundant list of packages needed for building.
4157 (Specific): Avoid reference to CVS.
4159 2006-04-04 Eric Christopher <echristo@apple.com>
4161 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4162 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4163 (rs6000_handle_struct_attribute): New.
4164 (rs6000_ms_bitfield_layout_p): Ditto.
4166 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4168 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4169 NULL for dso parameter to atexit_common.
4171 2006-04-04 Eric Christopher <echristo@apple.com>
4173 * config/i386/i386.c (machopic_output_stub): Output \t
4174 between instructions and operands.
4176 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4178 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4179 satisfies_constraint_[IL] to explicit tests on value.
4181 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4183 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4184 set_nb_iterations_in_loop): Use build_int_cst instead of
4186 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4187 build_int_cst instead of convert.
4189 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4191 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4192 new value 2 for incoming.
4193 * function.c (expand_function_start): Call struct_value_rtx
4195 * config/sparc/sparc.md: Comment updated_return.
4196 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4197 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4198 struct return if sparc_std_struct_return and incoming is 2.
4199 (print_operand): Do not adjust return if
4200 sparc_std_struct_return.
4202 2006-04-04 Roger Sayle <roger@eyesopen.com>
4204 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4205 convert in the middle-end.
4206 * expr.c (store_expr, store_constructor, get_inner_reference,
4207 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4209 * tree.c (build_range_type): Likewise.
4211 2006-04-04 Tom Tromey <tromey@redhat.com>
4213 * doc/install.texi (Prerequisites): Mention jar.
4215 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4217 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4220 2006-04-04 Matthias Klose <doko@debian.org>
4222 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4223 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4226 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4228 * doc/extend.texi (Function Attributes): Rewrite visibility
4229 attribute documentation.
4230 * doc/invoke.texi (C++ Dialect Options): Rewrite
4231 -fvisibility-inlines-hidden documentation to describe something
4232 entirely different, although in practise compatible.
4233 (Code Gen Options): Warn about system headers in -fvisibility=
4236 * doc/extend.texi (Other Builtins): Document that
4237 __builtin_nan is a compile-time constant only when its argument
4240 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4242 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4243 trying to remove TRUNCATE check if all bits outside the new mode
4244 are identical to the sign bit.
4246 2006-04-03 Jeff Law <law@redhat.com>
4248 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4249 and operand scanning in some common cases.
4251 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4252 Dale Johannesen <dalej@apple.com>
4255 * regclass.c (struct reg_pref): Update documentation.
4256 (regclass): Set prefclass to NO_REGS if memory is the best option.
4257 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4258 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4259 into account. For non-registers, equate an empty preferred
4260 reload class to a `!' in the constraint; move the if clause to
4261 do so after those that reject the insn.
4262 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4264 (find_dummy_reload): Likewise.
4265 * doc/tm.texi (Register Classes): Document what it means
4266 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4267 * config/i386/i386.c (ix86_preferred_reload_class): Force
4268 using SSE registers (and return NO_REGS for floating-point
4269 constants) if math is done with SSE.
4270 (ix86_preferred_output_reload_class): New.
4271 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4272 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4273 * config/i386/i386.md: Remove # register preferences.
4275 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4278 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4279 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4280 the type of nb_iter.
4281 (instantiate_parameters_1): Convert the operands before calling
4282 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4283 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4285 2006-04-02 Roger Sayle <roger@eyesopen.com>
4287 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4288 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4290 * dojump.c (do_jump): Likewise.
4291 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4292 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4293 gimplify_boolean_expr): Likewise.
4294 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4295 * varasm.c (array_size_for_constructor): Likewise.
4296 * tree-object-size.c (compute_object_offset): Likewise.
4298 2006-04-02 Roger Sayle <roger@eyesopen.com>
4301 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4302 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4304 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4306 PR tree-optimization/26939
4307 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4309 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4311 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4312 at_stmt. Convert the type of operands before calling
4313 build_polynomial_chrec.
4314 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4316 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4317 (instantiate_parameters_1): Convert the type of operands before calling
4318 build_polynomial_chrec.
4319 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4320 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4321 reset_evolution_in_loop): Insert asserts to check the types of the
4323 (chrec_type): Moved...
4324 (eq_evolutions_p): Use operand_equal_p.
4325 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4326 the types of the operands.
4327 (chrec_type): ...here.
4328 * tree-data-ref.c (create_data_ref): Convert the operands before
4329 calling chrec_replace_initial_condition.
4330 (same_access_functions, analyze_subscript_affine_affine,
4331 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4332 (compute_subscript_distance, analyze_ziv_subscript,
4333 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4334 analyze_miv_subscript): Convert the operands before calling
4335 chrec_fold_minus or chrec_fold_plus.
4337 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4339 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4340 the dependence_relations vector.
4341 (compute_data_dependences_for_loop): Adjust call to
4342 compute_all_dependences.
4344 2006-04-01 Roger Sayle <roger@eyesopen.com>
4345 Richard Henderson <rth@redhat.com>
4347 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4348 gimple_boolify on the condition before calling gimplify_expr.
4350 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4352 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4353 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4354 the frame size. Update to use the new macros.
4355 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4356 * config/xtensa/ieee754-df.S: Likewise.
4358 2006-03-31 Richard Henderson <rth@redhat.com>
4360 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4361 (make_edges): ... here. Control fallthru creation with a local
4362 variable. Do not play with fake edges.
4363 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4364 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4367 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4369 * dwarf2.h (DW64_CIE_ID): Define.
4370 * dwarf2out.c (DWARF_CIE_ID): Define.
4371 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4372 length header. Use DWARF_CIE_ID.
4373 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4374 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4376 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4378 * config/sh/linux-atomic.asm: New file.
4379 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4381 2006-03-31 DJ Delorie <dj@redhat.com>
4383 * config/m32c/cond.md: Set condition flags properly throughout.
4384 * config/m32c/minmax.md: Likewise.
4385 * config/m32c/prologue.md: Likewise.
4386 * config/m32c/bitops.md: Likewise.
4387 * config/m32c/muldiv.md: Likewise.
4388 * config/m32c/mov.md: Likewise.
4389 * config/m32c/addsub.md: Likewise.
4390 * config/m32c/m32c.md: Likewise.
4391 * config/m32c/jump.md: Likewise.
4392 * config/m32c/shift.md: Likewise.
4394 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4395 conditionally output the pattern for this.
4396 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4397 (m32c_compare_redundant): New.
4398 (m32c_output_compare): New.
4399 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4401 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4402 dest, not src. Allow other 4-byte modes.
4404 2006-03-30 Denis Chertykov <denisc@overta.ru>
4406 * doc/md.texi: Refer to avr/constraints.md instead of
4409 2006-03-30 Roger Sayle <roger@eyesopen.com>
4411 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4412 signed vs. unsigned comparison failures on some hosts.
4414 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4417 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4418 change to FLOAT_REGS.
4420 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4421 (rs6000_override_options): Use it.
4422 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4423 only for -mabi=spe/no-spe and -mabi=altivec.
4425 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4427 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4430 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4432 * Makefile.in: Rename docdir to gcc_docdir.
4434 2006-03-30 Roger Sayle <roger@eyesopen.com>
4437 * expr.c (emit_group_store): Optimize group stores into a pseudo
4438 register by using a paradoxical subreg to initialize the destination
4439 if the first or last member of the group specifies a "low part".
4441 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4444 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4445 * target.h (struct gcc_target.speculate_insn): Change type of the
4446 second parameter to 'int'.
4447 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4448 the second operand of the DEPS_LIST.
4449 (copy_DEPS_LIST_list): Update reference to the second operand of the
4451 * rtl.h (alloc_DEPS_LIST): Update signature.
4452 * sched-int.h (ds_t): Change typedef to 'int'.
4453 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4455 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4457 * haifa-sched.c (try_ready): Change condition to restore
4458 non-speculative pattern of the instruction.
4459 (process_insn_depend_be_in_spec): Code to keep probability of the
4460 speculative dependence non-decreasing.
4462 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4464 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4465 (single_move_for_movmem): ... this. Also change all uses.
4466 (bfin_expand_strmov): Renamed to...
4467 (bfin_expand_movmem): ... this. Also change all uses.
4468 * config/bfin/bfin.md (movstrsi): Renamed to...
4469 (movstrsi): ...this.
4471 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4473 PR tree-optimization/26830
4475 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4476 (copy_prop_visit_stmt): Remove write-only variable ann.
4477 (init_copy_prop): Check variable loop depth here. Do not simulate
4478 memory-tag and virtual operand PHIs except for store copy prop.
4480 2006-03-30 Richard Guenther <rguenther@suse.de>
4482 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4483 variants with double arguments.
4485 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4487 * genpreds.c (write_tm_constrs_h): Delete variable p.
4488 * genconditions.c (write_header): Add tm-constrs.h to included
4490 * genpeep.c (main): Add toplev.h to included headers.
4491 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4492 (build/genpeep.o): Add toplev.h dependency.
4493 * config/rs6000/constraints.md: Add "W" constraint.
4495 2006-03-29 Roger Sayle <roger@eyesopen.com>
4497 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4498 sizes by correctly testing whether the size fits a host integer.
4499 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4500 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4501 SImode range for the default sizetype and bitsizetype.
4503 2006-03-29 Roger Sayle <roger@eyesopen.com>
4505 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4506 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4507 quickly if the argument is already of the correct type.
4508 Call fold_build1 instead of build1. Tidy up blank lines.
4510 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4512 * genemit.c (main): Add tm-constrs.h to included headers.
4513 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4514 * genpeep.c (main): Add tm-constrs.h to included headers.
4515 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4516 (write_tm_constrs_h): this and write complete file.
4517 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4518 (write_insn_preds_c): Add tm-constrs.h to included headers.
4519 (gen_constrs): New variable.
4520 (parse_option): Parse "-c".
4521 (main): Invoke write_tm_constrs_h.
4522 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4523 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4524 (object_out_file): Add tm-constrs.h dependency.
4525 (insn-emit.o): Same.
4526 (insn-output.o): Same.
4527 (insn-peep.o): Same.
4528 (insn-preds.o): Same.
4529 (insn-recog.o): Same.
4530 (tm-constsr.h): New target.
4531 (s-constrs-h): New target.
4533 * config/rs6000/constraints.md: New file.
4534 * config/rs6000/rs6000.c: Include tm-constrs.h.
4535 (num_insn_constant_wide): Convert to satisfies_constraint.
4536 (rs6000_rtx_costs): Convert to satisfies_constraint.
4537 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4538 (CONST_OK_FOR_LETTER_P): Delete.
4539 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4540 (EXTRA_CONSTRAINT): Delete.
4541 (EXTRA_MEMORY_CONSTRAINT): Delete.
4542 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4543 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4544 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4545 satisfies_constraint.
4547 * config/i386/i386.c: Include tm-constrs.h.
4549 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4551 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4552 * tree-data-ref.c (find_data_references_in_loop,
4553 compute_data_dependences_for_loop): Use pointers to VEC.
4554 (analyze_all_data_dependences): Adjust calls.
4555 * tree-data-ref.h (find_data_references_in_loop,
4556 compute_data_dependences_for_loop): Adjust declarations.
4557 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4558 compute_data_dependences_for_loop.
4560 2006-03-29 Paul Brook <paul@codesourcery.com>
4562 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4565 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4567 PR tree-optimization/26859
4568 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4570 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4571 for the step after fold_convert.
4573 2006-03-29 Paul Brook <paul@codesourcery.com>
4575 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4576 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4578 2006-03-29 Paul Brook <paul@codesourcery.com>
4581 * targhooks.c (default_narrow_bitfield): New fuction.
4582 * targhooks.h (default_narrow_bitfield): add prototype.
4583 * target.h (gcc_target): Add narrow_volatile_bitfield.
4584 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4585 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4586 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4587 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4589 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4591 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4593 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4594 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4595 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4596 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4597 (s390_function_arg_float): Allow SDmode and DDmode values to be
4598 passed in floating point registers.
4599 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4600 check with SCALAR_FLOAT_MODE_P.
4601 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4603 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4605 PR tree-optimization/25985
4606 * tree-ssa-loop-niter.c (number_of_iterations_le,
4607 number_of_iterations_ne): Make comments more precise.
4608 (number_of_iterations_cond): Add only_exit argument. Use the
4609 fact that signed variables do not overflow only when only_exit
4611 (loop_only_exit_p): New.
4612 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4613 number_of_iterations_cond.
4615 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4617 PR tree-optimization/26643
4618 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4621 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4623 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4624 (divsi3_i4_int): Likewise.
4626 2006-03-28 Roger Sayle <roger@eyesopen.com>
4628 * expr.c (emit_group_store): Only create a new pseudo reg if the
4629 quantity it needs to hold isn't already a suitable pseudo.
4631 2006-03-28 Jeff Law <law@redhat.com>
4633 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4634 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4636 2006-03-28 Roger Sayle <roger@eyesopen.com>
4638 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4639 the equivalent ~X & Y, and the symmetry related transformations.
4640 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4641 ~X & Y, and symmetry related transforms.
4643 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4645 Revert my 2006-03-27 patches.
4647 2006-03-28 Roger Sayle <roger@eyesopen.com>
4649 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4650 ~(T1)X, when T1 and T2 are integer types of the same precision
4651 and (T2)X isn't an extension.
4653 2006-03-28 Jeff Law <law@redhat.com>
4655 PR tree-optimization/26796
4656 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4657 need EH edge cleanups rather than purging them immediately.
4658 (eliminate_degenerate_phis): Handle queued EH cleanups.
4660 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4662 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4665 2006-03-27 Roger Sayle <roger@eyesopen.com>
4668 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4669 cast BIT_NOT_EXPR operand to the correct type.
4671 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4673 * tree-loop-linear.c: Don't include varray.h.
4674 (gather_interchange_stats, try_interchange_loops,
4675 linear_transform_loops): Use VEC instead of VARRAY.
4676 * lambda-mat.c: Don't include varray.h.
4677 * tree-chrec.c: Same.
4678 * lambda-trans.c: Same.
4679 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4680 VEC instead of VARRAY.
4681 * tree-vectorizer.h: Idem.
4682 * tree-data-ref.c (dump_data_references,
4683 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4684 initialize_data_dependence_relation, finalize_ddr_dependent,
4685 compute_all_dependences, find_data_references_in_loop,
4686 compute_data_dependences_for_loop, analyze_all_data_dependences,
4687 free_dependence_relation, free_dependence_relations,
4688 free_data_refs): Idem.
4689 * tree-data-ref.h (data_reference_p, subscript_p): New.
4690 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4691 VEC instead of VARRAY.
4692 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4693 (find_data_references_in_loop, compute_data_dependences_for_loop,
4694 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4695 dump_data_dependence_relations, free_dependence_relations,
4696 free_data_refs): Adjust declaration.
4697 (lambda_transform_legal_p): Move declaration here...
4698 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4699 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4700 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4701 vect_analyze_data_refs): Use VEC instead of VARRAY.
4702 * lambda.h (lambda_transform_legal_p): ...from here.
4703 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4704 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4705 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4706 tree-chrec.o): Don't depend on VARRAY_H.
4708 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4710 * rtl.def (Copyright): Update date.
4711 (DEPS_LIST): Change type of the second operand to 'int'.
4712 * target.h (Copyright): Update date.
4713 (struct gcc_target.speculate_insn): Change type of the second parameter
4715 * lists.c (Copyright): Update date.
4716 (alloc_DEPS_LIST): Change signature. Update reference to the second
4717 operand of the DEPS_LIST.
4718 (copy_DEPS_LIST_list): Update reference to the second operand of the
4720 * rtl.h (Copyright): Update date.
4721 (alloc_DEPS_LIST): Update signature.
4722 * sched-int.h (Copyright): Update date.
4723 (ds_t): Change typedef to 'int'.
4724 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4726 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4728 * haifa-sched.c (Copyright): Update date.
4729 (try_ready): Change condition to restore non-speculative pattern
4731 (process_insn_depend_be_in_spec): Code to keep probability of the
4732 speculative dependence non-decreasing.
4734 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4736 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4737 shut up the compiler.
4739 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4741 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4742 to use lib prefix for target.
4743 ($(T)libic_invalidate_array_4-200.a): Likewise.
4744 ($(T)libic_invalidate_array_4a.a): Likewise.
4746 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4747 J"orn Rennecke <joern.rennecke@st.com>
4749 * superh.opt: New file.
4750 * sh.c (boardtype, osruntime): Remove.
4751 * superh.h (SUBTARGET_OPTIONS): Remove.
4752 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4754 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4755 arguments with ^ and/or [].
4757 * config.gcc (sh-*-*): Add quoting to account for quirk of
4759 Replace == with = in enable_incomplete_targets test.
4761 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4762 with MASK_LITTLE_ENDIAN.
4764 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4765 * config/sh/sh.opt: Added to some comments.
4766 * config/sh/superh.h: Removed some chaff.
4768 * config/sh/sh.opt: Add m4-[1234]00* options.
4769 * config/sh/sh.c (sh_handle_option): Likewise.
4770 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4771 (ic_invalidate_array_4-100.o): New rule.
4772 ($(T)libic_invalidate_array_4-100.a): Likewise.
4773 (ic_invalidate_array_4-200.o): Likewise.
4774 ($(T)libic_invalidate_array_4-200.a): Likewise.
4775 (ic_invalidate_array_4a.o): Likewise.
4776 ($(T)libic_invalidate_array_4a.a): Likewise.
4777 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4778 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4780 * config/sh/crt1.asm: Merged in profiling code.
4781 * config/sh/superh.h (STARTFILE_SPEC): Override.
4782 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4783 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4784 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4786 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4787 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4788 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4790 * sh.opt (mpretend-cmove): New option.
4791 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4792 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4793 (movsicc): Add TARGET_PRETEND_CMOVE code.
4795 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4797 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4798 s390_class_max_nregs): New function prototypes.
4799 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4800 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4801 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4802 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4804 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4806 * dwarf2out.c (add_location_or_const_value_attribute): Call
4807 tree_add_const_value_attribute if nothing else works.
4808 (reference_to_unused): New.
4809 (rtl_for_decl_init): Use reference_to_unused to decide whether
4810 to output an initializer.
4812 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4815 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4816 peephole removing spe frob_di_df_2.
4818 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4820 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4821 (subscript_dependence_tester_1): Declared.
4822 (print_dir_vectors, print_dist_vectors): New.
4823 (debug_data_dependence_relation): New.
4824 (dump_data_dependence_relation): Print more details.
4825 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4826 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4827 (save_dist_v, save_dir_v, add_outer_distances,
4828 build_classic_dist_vector_1): New.
4829 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4830 Don't test for lambda_vector_lexico_pos.
4831 (same_access_functions, add_multivariate_self_dist,
4832 add_other_self_distances, dir_from_dist): New.
4833 (build_classic_dir_vector): Replace implementation almost identical to
4834 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4836 (subscript_dependence_tester_1): New.
4837 (subscript_dependence_tester): Handle the lexicographically negative
4838 distance vectors by recomputing the dependence relation.
4839 (compute_affine_dependence): Remove parameter loop_nest_depth.
4840 (compute_self_dependence): Don't call compute_subscript_distance.
4841 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4842 Add a parameter for the loop_nest.
4843 (find_loop_nest_1, find_loop_nest): New.
4844 (compute_data_dependences_for_loop): Compute the loop nest, and give
4845 up if the nest is not well formed.
4846 * tree-data-ref.h (loop_p): New.
4847 (struct data_dependence_relation): Replace size_vect field with
4848 loop_nest, a vec of loops.
4849 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4850 (DDR_LOOP_NEST): New.
4851 (print_dir_vectors, print_dist_vectors,
4852 debug_data_dependence_relation): Declared.
4853 (index_in_loop_nest): New.
4854 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4855 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4858 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4860 * simplify-rtx.c (simplify_relational_operation): Call
4861 simplify_relational_operation_1 even if mode is VOIDmode.
4863 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4865 PR tree-optimization/26804
4866 * tree.h (DECL_CALL_CLOBBERED): New macro.
4867 (tree_decl_common): Add call_clobbered_flag.
4868 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4869 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4870 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4871 (mark_non_addressable): Ditto.
4872 * tree-ssa.c (verify_call_clobbered): New function.
4873 (verify_alias_info): Use it.
4874 * tree-pass.h (pass_reset_cc_flags): New prototype.
4875 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4876 (reset_cc_flags): New function.
4877 * passes.c (init_optimization_passes): Call reset_cc_flags after
4878 initializing referenced_vars.
4880 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4881 Roger Sayle <roger@eyesopen.com>
4884 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4885 to 1.0 for non-real operands. Implement A / A optimization for
4888 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4890 * config/i386/i386.c (size_cost): Correct the comment for
4891 cost of storing fp registers.
4892 (i386_cost): Likewise.
4893 (i486_cost): Likewise.
4894 (pentium_cost): Likewise.
4895 (pentiumpro_cost): Likewise.
4896 (k6_cost): Likewise.
4897 (athlon_cost): Likewise.
4898 (k8_cost): Likewise.
4899 (pentium4_cost): Likewise.
4900 (nocona_cost): Likewise.
4901 (generic64_cost): Likewise.
4902 (generic32_cost): Likewise.
4904 2006-03-24 Denis Chertykov <denisc@overta.ru>
4906 * config/avr/avr-protos.h (extra_constraint): Delete.
4907 (extra_constraint_Q): New declaration.
4908 * config/avr/constraints.md: New file.
4909 * config/avr/avr.md: Include it.
4910 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4911 (TMP_REGNO, ZERO_REGNO): Likewise.
4912 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4913 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4914 (extra_constraint): Delete.
4915 (extra_constraint_Q): Test for memory constraint 'Q'.
4916 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4917 (REG_CLASS_FROM_LETTER): Delete.
4918 (CONST_OK_FOR_LETTER_P): Delete.
4919 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4920 (EXTRA_CONSTRAINT): Delete.
4921 (TMP_REGNO): Delete.
4922 (ZERO_REGNO): Delete.
4924 2006-03-24 Jeff Law <law@redhat.com>
4926 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4927 directly. Call mark_new_vars_to_rename slightly earlier.
4929 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4931 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4933 (gen_compile_unit_die): Use new language types for Objective-C and
4935 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4936 DW_LANG_C_plus_plus.
4939 * config/t-darwin (crt3.o): Work around bug 26840.
4940 * config/darwin-crt3.c: Rewrite.
4941 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4943 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4945 * doc/invoke.texi: Document -femit-class-debug-always
4946 * common.opt: Add -femit-class-debug-always.
4948 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4950 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4951 index and base register.
4952 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4953 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4954 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4955 REGNO_OK_FOR_INDEX_P.
4956 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4958 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4959 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4960 REG_OK_FOR_BASE_P): Definitions removed.
4962 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4965 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4966 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4967 set yet or weren't marked as local yet.
4969 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4971 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4974 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4976 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4977 (rs6000_legitimate_small_data_p): Delete.
4978 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4979 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4980 and make static. Add forward declaration. Update uses.
4981 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4982 of offsettable_memref_p.
4983 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4984 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4986 2006-03-24 Jeff Law <law@redhat.com>
4988 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4989 around bug in immediate-use iterator.
4991 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4994 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4995 or __LITTLE_ENDIAN__.
4997 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4999 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5000 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5001 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5002 * config/sh/sh.opt (mdiv=): Amend description.
5003 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5004 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5005 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5006 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5007 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5008 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5009 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5010 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5011 TARGET_DIVIDE_CALL_FP.
5013 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5015 * haifa-sched.c (choose_ready): Fix type of the local variable.
5016 Move local variables. Add comment.
5017 (check_reg_live): Change signature. Make callable from debugger.
5018 * sched-int.h (check_reg_live): Update signature.
5019 * sched-ebb.c (check_reg_live): Update parameters.
5020 * sched-rgn.c (check_reg_live): Ditto.
5021 (region_head_or_leaf_p): Check pointer before dereferencing.
5022 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5023 before reload on optimization levels below 1.
5025 2006-03-23 Richard Henderson <rth@redhat.com>
5027 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5031 * config/alpha/predicates.md (local_symbolic_operand): Reject
5034 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5037 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5038 expressions which have overflowed constants.
5040 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5042 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5044 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5046 * cfgloopmanip.c (create_loop_notes): Removed.
5047 * final.c (final_scan_insn): Do not handle loop notes.
5048 * jump.c (squeeze_notes): Ditto.
5049 * cfglayout.c (skip_insns_after_block,
5050 duplicate_insn_chain): Ditto.
5051 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5053 * cfgloop.h (create_loop_notes): Declaration removed.
5055 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5057 * varasm.c (output_constant_pool): Restore fnname and fndecl
5059 (assemble_start_function): Adjust call accordingly.
5060 (assemble_end_function): Likewise.
5062 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5065 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5068 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5070 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5073 * system.h (ICE_EXIT_CODE): New macro.
5074 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5075 (diagnostic_action_after_output): Likewise.
5076 * gcc.c (fatal_ice): New function.
5077 (execute): Use it instead of fatal.
5078 (fancy_abort): Likewise.
5079 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5081 2006-03-22 Jeff Law <law@redhat.com>
5083 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5084 iv_analyze_result returning false.
5086 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5088 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5090 2006-03-22 Richard Henderson <rth@redhat.com>
5093 * except.c (duplicate_eh_regions_0): New.
5094 (duplicate_eh_region_1): Duplicate the children of the node as
5095 well as the node itself. Link them up properly.
5096 (duplicate_eh_region_2): Merge into ...
5097 (duplicate_eh_regions): ... here. Take copy_region argument, and
5098 copy only a sub-tree if asked. Simplify copying and fixup.
5099 (eh_region_outer_p): New.
5100 * except.h (duplicate_eh_regions): Update decl.
5101 (eh_region_outer_p): Declare.
5102 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5103 (lower_omp_master): Likewise.
5104 (lower_omp_ordered): Likewise.
5105 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5106 (move_stmt_r): Use it to remap labels. Handle recursion vs
5107 remap_decls_p properly.
5108 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5109 (find_outermost_region_in_block): New.
5110 (new_label_mapper): New.
5111 (move_sese_region_to_fn): Copy eh information to the new function
5113 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5115 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5118 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5120 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5121 into shared libraries.
5123 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5125 * doc/md.texi: Refer to i386/constraints.md instead of
5127 * config/i386/constraints.md: New file, extracted from...
5128 * config/i386/predicates.md: ...here.
5129 * config/i386/i386.md: Include constraints.md.
5131 2006-03-21 Jason Merrill <jason@redhat.com>
5133 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5136 * expr.c (init_block_move_fn): Force default visibility.
5137 (init_block_clear_fn): Likewise.
5138 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5139 * targhooks.c (default_external_stack_protect_fail): Likewise.
5141 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5143 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5144 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5145 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5146 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5147 (loadgp): Use mips_current_loadgp_style.
5148 (loadgp_noshared): New pattern.
5149 (sibcall_internal): Use MIPS_CALL.
5150 (sibcall_value_internal): Likewise.
5151 (sibcall_value_multiple_internal): Likewise.
5152 (call_internal): Likewise.
5153 (call_value_internal): Likewise.
5154 (call_value_multiple_internal): Likewise.
5155 (call_split): Use MIPS_CALL and add an 'S' constraint.
5156 (call_value_split): Likewise.
5157 (call_value_multiple_split): Likewise.
5158 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5159 (-mshared): New option.
5160 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5161 (mips_current_loadgp_style): Declare.
5162 * config/mips/mips.c (mips_classify_symbol): Avoid using
5163 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5164 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5165 TARGET_ABSOLUTE_ABICALLS.
5166 (override_options): Adjust comments. Improve the warning that is
5167 issued when -mabicalls and -G are used together.
5168 (mips_file_start): Remove comment.
5169 (mips_current_loadgp_style): New function.
5170 (mips_gnu_local_gp): New variable.
5171 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5173 (mips_output_function_prologue): Use mips_current_laodgp_style.
5174 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5175 the cprestore instruction.
5176 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5177 live for TARGET_ABSOLUTE_ABICALLS.
5178 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5179 (ASM_SPEC): Pass down -mshared and -mno-shared.
5180 (MIPS_CALL): New macro.
5181 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5183 * doc/invoke.texi (-mabicalls): Update documentation.
5184 (-mshared): Document.
5186 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5188 * config/ia64/unwind-hpux.c: New file.
5189 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5191 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5194 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5196 2006-03-21 Jeff Law <law@redhat.com>
5198 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5199 type conversions of a VR_VARYING source to a wider type.
5201 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5203 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5204 tm_file on Solaris 10 and later.
5205 (sparc64-*-solaris2*): Likewise.
5206 (sparc-*-solaris2*): Likewise.
5207 * config/sol26.h: Rename to config/sol2-6.h.
5208 * config/sol2-10.h: New file.
5210 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5213 * tree-ssa-pre.c (create_component_ref_by_pieces):
5216 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5219 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5220 return it immediately.
5222 2006-03-21 Michael Matz <matz@suse.de>
5224 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5226 (remove_arc, add_arc): Update num_out_arcs member.
5227 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5229 (cache_presence): New function.
5230 (compare_states_for_equiv): New function.
5231 (state_is_differed): Don't take number of outargs, adjust callers.
5232 Use new invariant for speeding up.
5233 (init_equiv_class): Create initial classes based on sorted
5235 (partition_equiv_class): Don't track out_arcs_num.
5236 (evaluate_equiv_classes): Call cache_presence on all states and
5239 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5241 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5242 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5243 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5244 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5246 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5247 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5248 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5249 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5250 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5252 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5253 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5254 (REGNO_REG_CLASS): ARGP is in PREGS.
5255 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5257 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5258 to deal with those addresses.
5259 * addresses.h: New file.
5260 * caller-save.c: Include "addresses.h".
5261 (init_caller_save): Use new base_reg_class function.
5262 * rtl-factoring.c: Include "addresses.h".
5263 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5264 * recog.c: Include "addresses.h".
5265 (preprocess_constraints): Use new base_reg_class function.
5266 * regrename.c: Include "addresses.h".
5267 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5268 functions. Keep track of a new var INDEX_CODE to compute valid
5270 (replace_oldest_value_addr): Likewise.
5271 (replace_oldest_value_mem): Use base_reg_class.
5272 * reload.c: Include "addresses.h".
5273 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5274 (find_reloads): Use new base_reg_class function.
5275 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5276 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5277 all callers and prototype changed.
5278 * reload1.c: Include "addresses.h".
5279 (maybe_fix_stack_asms): Use base_reg_class.
5280 * regclass.c: Include "addresses.h".
5281 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5282 (init_reg_autoinc): Use new base_reg_class function.
5283 (record_reg_classes): Likewise.
5284 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5285 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5286 Use new args to compute necessary class.
5288 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5289 regrename.o, rtl-factoring.o): Update dependencies.
5290 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5291 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5292 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5293 REG_OK_FOR_INDEX_P): Delete documentation.
5295 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5297 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5298 from V7 to V9 for Solaris 7 and above.
5300 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5302 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5303 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5304 argument pointers may not alias any other storage.
5305 * common.opt: Define option -fargument-noalias-anything.
5306 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5307 alias semantics is specified by flag_argument_noalias > 2.
5309 2006-03-20 Jeff Law <law@redhat.com>
5311 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5312 (pass_phi_only_cprop): Declare.
5313 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5315 * tree-ssa-dom.c (degenerate_phi_result): New function.
5316 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5317 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5318 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5319 (eliminate_degenerate_phis): Likewise.
5320 (pass_phi_only_cprop): New pass descriptor.
5321 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5322 support code. Callers updated.
5323 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5324 (store_copy_prop): Likewise.
5325 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5327 2006-03-20 Jason Merrill <jason@redhat.com>
5330 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5331 (push_visibility, pop_visibility): Likewise.
5332 * c-pragma.h: Declare them.
5334 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5336 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5338 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5339 parameter and use get_ebb_head_tail.
5340 (sh_md_init_global): Adjust uses of find_regmode_weight.
5342 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5344 * function.h (struct function) <x_tail_recursion_reentry>:
5345 Rename to x_stack_check_probe_note.
5346 (tail_recursion_reentry): Rename to stack_check_probe_note.
5347 * function.c: Replace tail_recursion_reentry with
5348 stack_check_probe_note everywhere.
5349 (expand_function_start): Only emit a note for
5350 stack_check_probe_note with -fstack-protect.
5351 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5353 * emit-rtl.c (remove_unnecessary_notes): Remove.
5354 (pass_remove_unnecessary_notes): Remove.
5355 * rtl.h (remove_unnecessary_notes): Remove prototype.
5356 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5357 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5358 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5360 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5363 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5364 (valid_in_set): Handle ARRAY_REF.
5365 Change "if min_variant or VH" to asserts.
5366 (create_component_ref_by_pieces): Handle ARRAY_REF.
5367 (create_expression_by_pieces): Likewise.
5368 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5370 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5372 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5373 is operand of switch, not str[0].
5375 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5377 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5378 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5380 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5382 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5383 end of insn_extra_address_constraint declaration.
5385 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5387 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5388 (no-sum-in-toc): Same.
5389 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5391 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5392 NO_FP_IN_TOC for -fPIC instead of mask.
5394 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5395 (BOOT_LDFLAGS): Delete.
5397 * config/rs6000/t-aix52: Same.
5399 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5400 (stmsi[345678]_power): New.
5402 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5404 * config/ia64/ia64.opt: Add empty line to end of file.
5406 2006-03-17 Richard Guenther <rguenther@suse.de>
5409 * builtins.c (get_pointer_alignment): For component style references
5410 adjust alignment to the component type alignment. Make sure
5411 to adjust alignment for component access of constants.
5413 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5415 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5418 2006-03-17 Paul Brook <paul@codesourcery.com>
5420 * doc/install.texi: Docuemnt --with-mode.
5421 * config.gcc: Add --with-mode for arm*-*-*.
5422 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5424 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5426 * sh.c (max_labelno_before_reorg): New variable.
5427 (sh_reorg): Initialize it.
5428 (find_barrier): Check max_labelno_before_reorg before using
5429 label_to_alignment. Take length of explicit alignment insns
5430 into account. When seeing a UNSPECV_CONST_END, return it.
5432 * sh.c (fixup_mova): Set mode of affected label to QImode.
5433 (untangle_mova): New function.
5434 (find_barrier): Use it. Check mode of label before decrementing
5436 (sh_reorg): Likewise.
5437 Set mode of all insns back to VOIDmode.
5439 * sh.c (MOVA_LABELREF): New macro.
5440 (mova_p, fixup_mova, sh_reorg): Use it.
5441 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5442 ADDR_DIFF_VEC matches mova.
5444 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5446 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5447 with ATTRIBUTE_UNUSED.
5449 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5451 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5452 pointer, instead of assuming it is possible to derive the
5453 correct args size from a call insn.
5455 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5457 * rtl.h (CONST_INT_P): Define.
5458 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5459 instead of GET_CODE(x) == CONST_INT.
5460 (vax_rtx_costs): Likewise.
5461 (vax_output_int_move): Likewise.
5462 (vax_output_int_add): Likewise.
5463 (legitimate_constant_address_p): Likewise.
5464 (index_term_p): Likewise.
5465 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5466 * config/vax/vax.md (and<mode>3): Likewise.
5467 (ashrsi3): Likewise.
5469 (movstricthi): Likewise.
5470 (movstrictqi): Likewise.
5471 (rotrsi3): Likewise.
5472 (five unnamed insns): Likewise.
5474 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5476 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5477 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5478 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5479 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5480 Pass to ASM_OUTPUT_DWARF_OFFSET.
5481 * dwarf2out.c (debug_frame_section): New.
5482 (output_call_frame_info): Use debug_frame_section. Pass it to
5483 dw2_asm_output_offset.
5484 (output_die): Pass appropriate section to dw2_asm_output_offset.
5485 (output_compilation_unit_header): Likewise.
5486 (output_pubnames): Likewise.
5487 (output_aranges): Likewise.
5488 (enum dw_val_class): Break dw_val_class_lbl_offset into
5489 dw_val_class_lineptr and dw_val_class_macptr.
5490 (add_AT_lbl_offset): Delete.
5491 (add_AT_lineptr): New.
5492 (add_AT_macptr): New.
5493 (AT_lbl): Expect a lineptr or macptr.
5494 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5495 (attr_checksum): Likewise.
5496 (same_dw_val_p): Likewise.
5497 (size_of_die): Likewise.
5498 (value_format): Likewise.
5499 (output_die): Likewise.
5500 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5502 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5503 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5504 * config/darwin-protos.h (darwin_file_start): New.
5505 (darwin_asm_output_dwarf_offset): New.
5506 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5507 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5509 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5510 if not EH section; simplify.
5511 (darwin_file_start): New.
5512 (darwin_asm_output_dwarf_offset): New.
5513 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5515 (DEBUG_INFO_SECTION): Likewise.
5516 (DEBUG_ABBREV_SECTION): Likewise.
5517 (DEBUG_ARANGES_SECTION): Likewise.
5518 (DEBUG_MACINFO_SECTION): Likewise.
5519 (DEBUG_LINE_SECTION): Likewise.
5520 (DEBUG_LOC_SECTION): Likewise.
5521 (DEBUG_PUBNAMES_SECTION): Likewise.
5522 (DEBUG_STR_SECTION): Likewise.
5523 (DEBUG_RANGES_SECTION): Likewise.
5524 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5525 (ASM_OUTPUT_DWARF_OFFSET): New.
5527 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5529 * config.gcc (tm_defines): Always add to previous value rather
5532 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5534 * config/mips/predicates.md (splittable_const_int_operand): New,
5535 split from move_operand.
5536 (splittable_symbolic_operand): New.
5537 (move_operand): Add commentary. Use splittable_const_int_operand.
5538 Inline mips_atomic_symbolic_constant_p.
5539 * config/mips/mips.md: Add combine splitters for handling moves
5540 of splittable_const_int_operands and splittable_symbolic_operands.
5541 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5542 (mips_split_symbol): Declare.
5543 (mips_move_integer): Declare.
5544 * config/mips/mips.c (mips_split_p): Make global.
5545 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5546 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5547 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5548 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5549 (mips_offset_within_object_p): Handle block symbols.
5550 (mips_atomic_symbolic_constant_p): Delete.
5551 (mips_cannot_force_const_mem): Return false for constants that
5552 mips_legitimize_move can handle.
5553 (mips_use_blocks_for_constant_p): New function.
5554 (mips_split_symbol): Make global.
5555 (mips_move_integer): Likewise. Add a temporary register argument.
5556 (mips_legitimize_const_move): Use splittable_const_int_operand and
5557 splittable_symbolic_operand.
5558 (mips_use_anchors_for_symbol_p): New function.
5559 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5560 (mips_split_p): Declare.
5562 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5564 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5565 (mips*-*-linux*): Likewise.
5567 2006-03-16 Roger Sayle <roger@eyesopen.com>
5568 Daniel Speyer <dspeyer@wam.umd.edu>
5571 * tree-dump.c (dump_real): New function.
5572 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5573 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5574 (tree-dump.o): Add $(REAL_H) to the dependencies.
5576 2006-03-16 Roger Sayle <roger@eyesopen.com>
5579 * real.c (real_from_string): If the mantissa is zero, don't bother
5580 parsing the exponent as the result should always be zero.
5582 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5584 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5586 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5588 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5589 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5590 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5591 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5592 ia64_sched_finish_global): New static functions to implement
5593 hooks from gcc_target.sched.
5594 (spec_check_no, max_uid, pending_data_specs): New static variables.
5595 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5596 ia64_spec_check_src_p): New static functions.
5597 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5598 (TARGET_SCHED_ADJUST_COST): Removed.
5599 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5600 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5601 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5602 TARGET_SCHED_GEN_CHECK,
5603 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5604 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5605 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5606 Fixed to handle speculation checks.
5607 (rtx_needs_barrier): Fixed to handle speculative loads and
5609 (ia64_variable_issue): Added code to count speculative loads and their
5611 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5613 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5615 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5617 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5618 (ia64_reorg): Reset stops_p to NULL after it is freed.
5619 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5620 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5621 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5623 (data_speculative, control_speculative, check_load): New attributes.
5624 (mov<mode>_advanced, mov<mode>_speculative,
5625 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5626 zero_extend<mode>di2_speculative,
5627 zero_extend<mode>di2_speculative_advanced): New patterns for
5628 data and control speculative loads.
5629 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5631 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5632 New pattern for data and control speculation checks.
5633 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5634 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5635 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5636 Auxiliary definitions for the patterns.
5637 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5638 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5640 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5642 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5643 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5644 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5645 New resource constraints.
5646 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5648 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5649 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5650 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5651 msched-in-control-spec, msched-ldc, msched-control-ldc,
5652 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5653 msched-prefer-non-control-spec-insns,
5654 msched-count-spec-in-critical-path): New flags to tune speculative
5656 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5657 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5658 msched-in-control-spec, msched-ldc, msched-control-ldc,
5659 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5660 msched-prefer-non-control-spec-insns,
5661 msched-count-spec-in-critical-path): Document new flags.
5663 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5665 * target.h (struct spec_info_def): New opaque declaration.
5666 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5667 speculate_insn, needs_block_p, gen_check,
5668 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5669 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5670 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5671 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5672 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5673 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5675 (TARGET_SCHED): Use new macros.
5676 * rtl.h (copy_DEPS_LIST_list): New prototype.
5677 * sched-int.h (struct sched_info): Change signature of new_ready field,
5678 adjust all initializations. New fields: add_remove_insn,
5679 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5680 region_head_or_leaf_p.
5681 (struct spec_info_def): New structure declaration.
5682 (spec_info_t): New typedef.
5683 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5684 recovery_block, orig_pat.
5685 (glat_start, glat_end): New variables declaraions.
5686 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5688 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5689 DETACH_LIFE_INFO, USE_GLAT.
5690 (enum SPEC_SCHED_FLAGS): New enumeration.
5691 (NOTE_NOTE_BB_P): New macro.
5692 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5693 attach_life_info, debug_spec_status, check_reg_live): New functions.
5694 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5695 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5697 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5698 * ddg.c (get_block_head_tail): Adjust all uses.
5699 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5700 (sms_sched_info): Initialize new fields.
5701 (contributes_to_priority): Removed.
5702 * haifa-sched.c (params.h): New include.
5703 (get_block_head_tail): Adjust all uses.
5704 (ISSUE_POINTS): New macro.
5705 (glat_start, glat_end): New global variables.
5706 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5707 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5708 old_last_basic_block, before_recovery, current_sched_info_var,
5709 rgn_n_insns, luid): New static variables.
5710 (insn_cost1): New function. Move logic from insn_cost to here.
5711 (find_insn_reg_weight1): New function. Move logic from
5712 find_insn_reg_weight to here.
5713 (reemit_notes, move_insn, max_issue): Change signature.
5714 (move_insn1): Removed.
5715 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5716 extend_bb): New static functions to support extension of scheduler's
5718 (generate_recovery_code, process_insn_depend_be_in_spec,
5719 begin_speculative_block, add_to_speculative_block,
5720 init_before_recovery, create_recovery_block, create_check_block_twin,
5721 fix_recovery_deps): New static functions to support
5722 generation of recovery code.
5723 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5724 restore_bb_notes, move_block_after_check, move_succs): New static
5725 functions to support ebb scheduling.
5726 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5727 functions to support handling of register live information.
5728 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5729 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5730 add_jump_dependencies): New static functions.
5731 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5732 consistancy checking.
5733 (debug_spec_status): New function to call from debugger.
5734 (priority): Added code to handle speculation checks.
5735 (rank_for_schedule): Added code to distinguish speculative instructions.
5736 (schedule_insn): Added code to handle speculation checks.
5737 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5738 Fixed to handle ebbs.
5739 (move_insn): Added code to handle ebb scheduling.
5740 (max_issue): Added code to use ISSUE_POINTS of instructions.
5741 (choose_ready): Added code to choose between speculative and
5742 non-speculative instructions.
5743 (schedule_block): Added code to handle ebb scheduling and scheduling of
5744 speculative instructions.
5745 (sched_init): Initialize new variables.
5746 (sched_finish): Free new variables. Print statistics.
5747 (try_ready): Added code to handle speculative instructions.
5748 * lists.c (copy_DEPS_LIST_list): New function.
5749 * sched-deps.c (extend_dependency_caches): New function. Move logic
5750 from create_dependency_caches to here.
5751 (get_dep_weak, ds_merge): Make global.
5752 * genattr.c (main): Code to output prototype for
5753 dfa_clear_single_insn_cache.
5754 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5755 (output_dfa_clean_insn_cache_func): Code to output
5756 dfa_clear_single_insn_cache function.
5757 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5759 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5761 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5762 New static variables.
5763 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5764 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5766 (ebb_sched_info): Initialize new fields.
5767 (get_block_head_tail): Adjust all uses.
5768 (compute_jump_reg_dependencies): Fixed to use glat_start.
5769 (schedule_ebb): Code to remove unreachable last block.
5770 (schedule_ebbs): Added code to update register live information.
5771 * sched-rgn.c (region_sched_info): Initialize new fields.
5772 (get_block_head_tail): Adjust all uses.
5773 (last_was_jump): Removed. Adjust users.
5774 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5775 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5776 Implement new hooks.
5777 (check_dead_notes1): New static function.
5778 (struct region): New fields: dont_calc_deps, has_real_ebb.
5779 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5780 (BB_TO_BLOCK): Fixed to handle EBBs.
5781 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5782 (ebb_head): New static variable.
5783 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5784 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5786 (compute_dom_prob_ps): New assertion.
5787 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5788 global_live_at_start.
5789 (init_ready_list): New assertions.
5790 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5791 (new_ready): Add support for BEGIN_CONTROL speculation.
5792 (schedule_insns): Fixed code that updates register live information
5794 (schedule_region): Fixed to handle EBBs.
5795 (init_regions): Use extend_regions and check_dead_notes1.
5796 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5797 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5798 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5799 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5800 TARGET_SCHED_GEN_CHECK,
5801 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5802 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5803 * doc/invoke.texi (max-sched-insn-conflict-delay,
5804 sched-spec-prob-cutoff): Document.
5806 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5808 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5809 inter_tick, queue_index.
5810 (struct sched_info): Change signature of init_ready_list field.
5811 Adjust all initializations.
5812 (RESOLVED_DEPS): New access macro.
5813 (ready_add): Remove prototype.
5814 (try_ready): Add prototype.
5815 * sched-rgn.c (init_ready_list): Use try_ready.
5816 (schedule_region): Initialize
5817 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5818 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5819 (init_ready_list): Use try_ready.
5820 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5821 * lists.c (remove_list_elem): Remove `static'.
5822 (remove_free_INSN_LIST_elem): New function.
5823 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5824 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5825 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5827 (readyp): New variable.
5828 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5829 change_queue_index, resolve_dep): New static functions.
5830 (try_ready): New function. Adjust callers in sched-rgn.c and
5831 sched-ebb.c to use it instead of ready_add.
5832 (clock_var): Move at the begining of file.
5833 (rank_for_schedule): Fix typo.
5834 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5835 (ready_lastpos): Enforce assertion.
5836 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5838 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5839 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5840 (queue_to_ready): Use free_INSN_LIST_list.
5841 (early_queue_to_ready): Fix typo.
5842 (schedule_block): Init readyp. Move init_ready_list call after the
5843 initialization of clock_var. Fix error in rejecting insn by
5844 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5845 that previously corrected INSN_TICKs. Add code for handling
5847 (set_priorities): Fix typo.
5848 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5849 Clarify comment and code that keeps current_sched_info->next_tail
5852 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5854 * sched-rgn.c (extend_rgns): New static function.
5855 (find_rgns): Use it.
5856 (gather_region_statistics, print_region_statistics): New static
5858 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5859 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5861 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5862 Andrey Belevantsev <abel@ispras.ru>
5864 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5865 * lists.c (unused_deps_list): New variable.
5866 (free_list): Add assertions to verify the proper distinguishing
5867 between INSN_LISTs and DEPS_LISTs.
5868 (find_list_elem, remove_list_elem, remove_list_node): New static
5870 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5871 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5872 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5873 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5875 (free_INSN_LIST_node): Likewise.
5876 * modulo-sched.c (current_sched_info): Initialize flags field.
5877 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5878 * rtl.def (DEPS_LIST): Define.
5879 * rtl.h: Declare new functions from lists.c.
5880 * sched-deps.c (spec_dependency_cache): New static variable.
5881 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5882 (add_dependence): Change return type to void. Move the logic to ...
5883 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5884 (delete_all_dependences): Add comment about forward_dependency_cache.
5885 Handle spec_dependency_cache. Handle DEPS_LISTs.
5886 (fixup_sched_groups): Clarify the change of priority of output
5887 and anti dependencies.
5888 (sched_analyze_2): Adjust add_dependence calls to create data
5889 speculative dependence.
5890 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5891 Adjust all callers. Handle DEPS_LISTS.
5892 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5893 presence of speculation.
5894 (init_dependency_caches, free_dependency_caches):
5895 Handle spec_dependency_cache.
5896 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5897 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5898 New static functions.
5899 (add_or_update_back_dep, add_or_update_back_forw_dep,
5900 add_back_forw_dep, delete_back_forw_dep): New functions.
5901 * sched-int.h (ds_t, dw_t): New typedefs.
5902 (struct sched_info): Add new field flags.
5903 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5904 Prototype new sched-deps.c functions.
5905 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5906 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5907 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5908 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5909 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5910 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5912 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5914 * sched-rgn.c (current_sched_info): Initialize flags field.
5915 (schedule_insns): Initialize current_sched_info before the sched_init
5917 * sched-ebb.c (current_sched_info): Initialize flags field.
5918 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5919 Call add_or_update_back_dep instead of add_dependence.
5920 Create control speculative dependencies.
5921 (schedule_insns): Initialize current_sched_info before the sched_init
5924 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5926 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5928 (sh_fallback_frame_state): Likewise.
5930 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5932 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5933 Do switch on default_use_cxa_atexit.
5934 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5935 * config/darwin-crt3.o: New.
5936 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5937 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5938 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5940 * config/rs6000/t-darwin: Move crt2.o building to here.
5941 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5942 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5945 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5947 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5948 from '! xxx' to '!xxx' for coding-style conformance.
5949 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5950 (EXTRA_CONSTRAINT): Likewise.
5951 * config/vax/vax.md (four unnamed insns): Likewise.
5953 2006-03-15 Paul Brook <paul@codesourcery.com>
5955 * config/arm/arm.c (minipool_pad): New.
5956 (add_minipool_forward_ref): Include pool alignment padding in address
5958 (push_minipool_fix): Set minipool_pad.
5959 (minipool_pad): Ditto.
5961 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5963 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5964 instead of GET_CODE() == MEM and REG_P() instead of
5966 (print_operand_address): Likewise.
5967 (vax_address_cost): Likewise.
5968 (vax_rtx_costs): Likewise.
5969 (vax_notice_update_cc): Likewise.
5970 (vax_output_int_add): Likewise.
5971 (INDEX_REGISTER_P): Likewise.
5972 (BASE_REGISTER_P): Likewise.
5973 (nonindexed_address_p): Likewise.
5974 (vax_mode_dependent_address_p): Likewise.
5975 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5976 (PRINT_OPERAND): Likewise.
5977 * config/vax/vax.md (ashlsi3): Likewise.
5978 (ashlsi3): Likewise.
5979 (some more unnamed insns): Likewise.
5981 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5983 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5984 iterator-style macro.
5985 (mark_control_dependent_edges_necessary): Update the use of
5986 EXECUTE_IF_CONTROL_DEPENDENT.
5988 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5990 * config/sh/predicates.md (cache_address_operand): Special.
5991 (ua_address_operand): Likewise.
5993 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5995 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5997 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5999 2006-03-15 Andreas Schwab <schwab@suse.de>
6001 * gensupport.c (identify_predicable_attribute): Don't free p_false
6002 when it is still in use.
6004 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6006 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6007 the default setting here.
6009 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6011 * tree-pass.h (pass_cfg): Remove.
6012 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6013 * passes.c (pass_cfg): Don't run it.
6015 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6017 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6018 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6020 (stack_regs_mentioned): Update the uses of
6021 stack_regs_mentioned_data. Don't access the array beyond its
6023 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6024 Don't include gt-reg-stack.h.
6026 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6027 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6029 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6032 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6035 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6037 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6039 2006-03-14 Richard Guenther <rguenther@suse.de>
6041 PR tree-optimization/26672
6042 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6045 2006-03-14 Richard Guenther <rguenther@suse.de>
6047 PR tree-optimization/26667
6048 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6049 node for the callees. Always allow inlining if it will shrink
6052 2006-03-14 Richard Guenther <rguenther@suse.de>
6055 * builtins.c (get_pointer_alignment): Prefer alignment
6056 information from decls over that from types.
6058 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6061 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6063 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6065 * config/rs6000/rs6000.opt (mdlmzb): New option.
6066 (msched-prolog, msched-epilog): Use Var not Mask.
6067 * doc/invoke.texi (-mdlmzb): Document.
6068 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6070 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6071 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6073 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6075 PR rtl-optimization/25739
6076 * bt-load.c (augment_live_range): Free tos pointer.
6078 * gensupport.c (identify_predicable_attribute): Free
6080 * gcov.c (create_file_names): Free name pointer.
6082 2006-03-13 Roger Sayle <roger@eyesopen.com>
6085 * stmt.c (emit_case_nodes): Handle the case where the index is a
6086 CONST_INT, where the comparison mode is specified by the index type.
6088 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6090 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6093 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6095 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6096 (*branch_fp_inverted): Likewise.
6098 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6101 * omp-low.c (expand_omp_for_generic): Mark istart0
6102 and iend0 as addressable.
6104 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6106 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6108 2006-03-13 Jeff Law <law@redhat.com>
6110 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6111 virtual operands are interesting.
6112 (vrp_visit_stmt): Corresponding changes.
6114 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6116 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6118 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6119 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6120 * config/bfin/crti.S: Use it instead of __PIC__.
6121 * config/bfin/crtn.S: Likewise.
6123 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6124 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6126 Lose 'G' modifier for call operand.
6127 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6128 recognize 'G' modifier.
6130 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6133 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6134 * stmt.c (expand_case): Likewise.
6136 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6138 PR rtl-optimization/26254
6139 * loop-invariant.c (seq_insns_valid_p): New function.
6140 (move_invariant_reg): Only emit new code if it is valid.
6142 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6144 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6146 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6147 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6148 (commit_one_edge_insertion): Do not look for loop notes.
6150 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6152 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6153 flag_test_coverage out of loop.
6155 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6157 * final.c (shorten_branches): Remove outdated comment, and turn
6158 the if branch that guards it to continue.
6160 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6162 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6163 * cfgloop.h (struct loop): Remove unused fields.
6165 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6167 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6168 (-dL, -fdump-rtl-loop2): Update the dump file names
6170 * doc/invoke.texi: Update dump file names.
6172 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6174 * predict.c (estimate_probability): Remove.
6175 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6176 * basic-block.h (estimate_probability): Remove prototype.
6177 * passes.c (finish_optimization_passes): Dump branch prediction or
6178 profiling heuristics to the .profile tree dump.
6179 (init_optimization_passes): Unqueue pass_branch_prob.
6181 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6183 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6185 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6186 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6188 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6190 * function.h (frame_offset_overflow): Declare.
6191 * function.c (frame_offset_overflow): New function.
6192 (assign_stack_local_1): Call it to detect that the offset overflows.
6193 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6195 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6197 * config/sh/sh.c: Include alloc-pool.h.
6198 (label_ref_list_pool): New alloc pool.
6199 (label_ref_list_t): New type for lists of labels.
6200 (struct pool_node): Make wend a label_ref_list_t.
6201 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6203 (dump_table): Likewise.
6204 (sh_reorg): Set up the alloc pool before using add_constant and
6205 dump_table, and destroy it when finishing.
6207 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6209 * config/mips/mips.c: Remove redundant comment.
6211 2006-03-10 Jason Merrill <jason@redhat.com>
6214 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6215 the target was declared 'register'.
6217 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6219 * genpreds.c (write_insn_constraint_len): Change definition of
6220 insn_constraint_len to return size_t to match the declaration.
6222 2006-03-10 DJ Delorie <dj@redhat.com>
6224 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6226 (m32c_expand_insv): Fix test for an AND mask.
6228 2006-03-10 Richard Guenther <rguenther@suse.de>
6231 * builtins.c (get_pointer_alignment): Handle component
6232 references for field alignment.
6234 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6236 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6237 when building with libgloss.
6238 (sh*elf): Implement --without-fp option.
6239 (sh64-superh-linux*): Don't multilib.
6241 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6243 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6245 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6247 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6248 Set it when one of the replacement functions returned true.
6249 Return TODO_cleanup_cfg if cfgchanged is true.
6250 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6252 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6254 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6255 instead of gen_lowpart.
6257 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6259 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6261 (mips_output_order_conditional_branch): Declare.
6262 * config/mips/mips.h (MIPS_BRANCH): New macro.
6263 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6264 for the comparison. Use gen_condjump.
6265 (mips_output_conditional_branch): Rework interface to take the
6266 asm templates for a direct branch and the inverse of a direct branch.
6267 (mips_output_order_conditional_branch): New function.
6268 (mips_builtin_branch_and_move): New function.
6269 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6270 branch condition. Use gen_single_cc as the condition for
6271 __builtin_mips_upper_* or __builtin_mips_lower_*.
6272 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6273 Use VOIDmode for the branch condition.
6274 * config/mips/predicates.md (order_operator): New predicate.
6275 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6276 (branch_fp): Rename to...
6277 (*branch_fp): ...this. Remove mode from comparison operator.
6278 Use new mips_output_conditional_branch interface.
6279 (branch_fp_inverted): Rename to...
6280 (*branch_fp_inverted): ...this and update as for *branch_fp.
6281 (*branch_zero<mode>): Rename to...
6282 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6283 Use mips_output_order_conditional_branch. Only accept ordered
6285 (*branch_zero<mode>_inverted): Rename to...
6286 (*branch_order<mode>_inverted): ...this and update as for
6287 *branch_order<mode>.
6288 (*branch_equality<mode>): Accept zero as the second operand to
6289 the equality operator. Use the new mips_output_conditional_branch
6291 (*branch_equality<mode>_inverted): Likewise.
6292 (condjump): New expander.
6293 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6295 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6296 (bc1any2t, bc1any2f): Likewise.
6297 (single_cc): New expander.
6298 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6300 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6302 * doc/md.texi: Update documentation of MIPS constraints.
6303 * config/mips/constraints.md: New file.
6304 * config/mips/mips.md: Include it.
6305 * config/mips/mips.c (mips_char_to_class): Delete.
6306 (override_options): Don't initialize mips_char_to_class.
6307 * config/mips/mips.h (mips_char_to_class): Delete.
6308 (REG_CLASS_FROM_LETTER): Delete.
6309 (CONST_OK_FOR_LETTER_P): Delete.
6310 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6311 (EXTRA_CONSTRAINT_Y): Delete.
6312 (EXTRA_CONSTRAINT_STR): Delete.
6313 (CONSTRAINT_LEN): Delete.
6314 (EXTRA_MEMORY_CONSTRAINT): Delete.
6316 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6318 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6319 original fn's eh regions.
6321 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6323 * fold-const.c (build_range_check): Make sure to use a valid type to
6324 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6327 (range_predecessor): New static function.
6328 (range_successor): Likewise.
6329 (merge_ranges): Use them to compute predecessors and successors of
6332 2006-03-09 Roger Sayle <roger@eyesopen.com>
6335 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6336 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6338 2006-03-08 DJ Delorie <dj@redhat.com>
6340 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6341 (addpsi3): Expand to include memory operands. Remove
6342 reload-specific splits.
6343 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6344 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6345 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6346 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6347 (shift1_qi, shift1_hi, insv): New.
6348 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6349 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6350 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6352 * config/m32c/m32c-protos.h: Update as needed.
6353 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6354 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6355 Fail for unrecognized R* constraints.
6356 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6357 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6358 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6360 (m32c_init_libfuncs): New.
6361 (m32c_legitimate_address_p): Add debug wrapper.
6362 (m32c_rtx_costs): New.
6363 (m32c_address_cost): New.
6364 (conversions): Add 'B' prefix.
6365 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6366 operands, or word regnames for QI operands. 'B' prints bit
6368 (m32c_expand_setmemhi): New.
6369 (m32c_expand_movmemhi): New.
6370 (m32c_expand_movstr): New.
6371 (m32c_expand_cmpstr): New.
6372 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6373 (m32c_expand_neg_mulpsi3): Handle non-ints.
6374 (m32c_cmp_flg_0): New.
6375 (m32c_expand_movcc): New.
6376 (m32c_expand_insv): New.
6377 (m32c_scc_pattern): New.
6378 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6379 a0/a1 out of SIregs.
6380 (STORE_FLAG_VALUE): New.
6381 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6384 * config/m32c/mov.md: Make constraints more liberal.
6385 (zero_extendqihi2): Optimize r0/r1 case.
6386 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6387 * config/m32c/predicates.md (m32c_any_operand): New.
6388 (m32c_nonimmediate_operand): New.
6389 (m32c_hl_operand): New.
6390 (m32c_r3_operand): New.
6393 (memsym_operand): New.
6394 (memimmed_operand): New.
6395 (a_qi_operand): New.
6396 (m32c_eqne_operator): New.
6397 (m32c_1bit8_operand): New.
6398 (m32c_1bit16_operand): New.
6399 (m32c_1mask8_operand): New.
6400 (m32c_1mask16_operand): New.
6401 * config/m32c/blkmov.md: New file.
6402 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6404 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6406 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6407 unsigned to fix signed/unsigned comparison issue in
6408 DWARF2_FRAME_REG_OUT.
6409 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6410 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6412 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6413 of ptr into the ENABLE_CHECKING section.
6415 2006-03-08 Jeff Law <law@redhat.com>
6417 * tree-vrp.c (infer_value_range): Only count pointer uses
6418 and dereferences if -fdelete-null-pointer-checks is enabled.
6420 * tree-vrp.c (find_assert_locations): Infer value ranges for
6421 single use pointers, but do not create ASSERT_EXPRs for them.
6422 When a non-null range is inferred for a pointer, backwards
6423 propagate that range to other equivalent pointers through the
6426 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6429 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6430 language hook targets.
6431 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6432 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6433 if language hook targets were missing.
6435 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6437 * tree-ssa-opfinalize.h: Removed.
6438 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6440 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6441 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6442 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6443 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6444 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6445 finalize_ssa_v_must_def_ops): New.
6447 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6449 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6452 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6454 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6456 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6457 addresses with offsets; reorganize.
6459 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6460 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6461 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6463 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6466 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6468 2006-03-08 Ben Elliston <bje@au.ibm.com>
6470 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6472 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6475 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6478 2006-03-07 Richard Guenther <rguenther@suse.de>
6480 PR tree-optimization/26587
6481 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6483 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6485 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6487 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6489 * hooks.c (hook_bool_mode_rtx_true): New function.
6490 * hooks.h (hook_bool_mode_rtx_true): Declare.
6491 * toplev.c (compile_file): Call output_shared_constant_pool.
6492 * varasm.c (shared_constant_pool): New variable.
6493 (assemble_start_function, assemble_end_function): Remove arguments
6494 from call to output_constant_pool.
6495 (create_constant_pool): New function, split out from...
6496 (init_varasm_status): ...here.
6497 (force_const_mem): Choose between the shared and per-function constant
6498 pools. Set current_function_uses_const_pool when reusing old entries
6499 as well as when creating new ones.
6500 (mark_constant): Ignore data argument.
6501 (mark_constants): Remove pool argument.
6502 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6503 to decide whether the function uses a constant pool.
6504 (output_constant_pool_contents): New function, split out from...
6505 (output_constant_pool): ...here.
6506 (output_shared_constant_pool): New function.
6507 (init_varasm_once): Initialize shared_constant_pool.
6508 * output.h (output_constant_pool): Delete.
6509 (output_shared_constant_pool): Declare.
6510 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6511 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6513 2006-03-06 Nick Clifton <nickc@redhat.com>
6515 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6516 flag_strength_reduce.
6518 2006-03-06 Ben Elliston <bje@au.ibm.com>
6520 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6521 x86_64-*-linux* configurations.
6523 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6524 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6526 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6528 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6530 * basic-block.h: Remove the extern for
6531 rediscover_loops_after_threading.
6533 * cfgloop.c (cancel_loop): Make it static.
6534 * cfgloop.h: Remove the prototype for cancel_loop.
6536 * flow.c (recompute_reg_usage): Make it static.
6537 * rtl.h: Remove the prototype for recompute_reg_usage.
6539 * function.c (use_return_register): Make it static.
6540 * function.h: Remove the prototype.
6542 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6544 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6546 * recog.h: Remove the prototype for
6547 validate_change_maybe_volatile.
6549 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6551 * rtlanal.c (replace_reg): Remove.
6552 * rtl.h: Remove the prototype for replace_reg.
6554 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6556 * regclass.c (reg_scan_update): Remove.
6557 (reg_scan_mark_refs): Remove the last argument.
6558 * rtl.h: Remove the prototype for reg_scan_update.
6560 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6562 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6563 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6564 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6565 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6566 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6567 loop-invariant.c, omp-low.c, opts.c, passes.c,
6568 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6569 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6570 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6571 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6572 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6573 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6575 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6577 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6578 * dwarf2out.h: Remove the prototype for
6579 dwarf2out_add_library_unit_info.
6581 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6583 * tree.c (add_var_to_bind_expr): Remove.
6584 * tree.h: Remove the prototype for add_var_to_bind_expr.
6586 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6588 * regclass.c (n_non_fixed_regs): Remove.
6589 (init_reg_sets_1, globalize_reg): Remove all uses of
6591 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6593 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6595 * rtlanal.c (insns_safe_to_move_p): Remove.
6596 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6598 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6600 * expmed.c (expand_mult_add): Remove.
6601 * expr.h: Remove the prototype for expand_mult_add.
6603 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6605 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6606 and REG_SAVED_VAL_EXP constants.
6607 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6608 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6609 Handle regs stored by value.
6610 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6611 (execute_cfa_program): Handle DW_CFA_val_offset,
6612 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6613 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6614 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6615 (uw_install_context_1): Handle target regs stored by value.
6617 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6619 * tree-sra.c (tree_sra): Return todoflags;
6620 (generate_one_element): Set TODO_update_smt_usage if needed.
6621 (pass_sra): Remove TODO_update_smt_usage.
6622 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6624 (tree_ssa_forward_propagate_single_use_vars): Return
6625 TODO_update_smt_usage if we need to update SMT usage.
6626 (pass_forwprop): Remove TODO_update_smt_usage.
6628 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6630 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6631 (correct_use_link): Remove reference to get_stmt_operands.
6632 (update_stmt_operands): Likewise.
6633 (get_modify_expr_operands): New function factored out of
6634 parse_ssa_operands and get_expr_operands.
6635 Try to create V_MUST_DEFs for LHS by default.
6636 (get_expr_operands) <case MODIFY_EXPR>: Call
6637 get_modify_expr_operands.
6638 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6639 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6640 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6641 get_modify_expr_operands.
6643 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6645 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6646 * tree-flow.h: Remove the prototype for
6647 referenced_var_lookup_if_exists.
6649 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6651 PR rtl-optimization/26345
6653 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6655 2006-03-03 Roger Sayle <roger@eyesopen.com>
6657 PR tree-optimization/26524
6658 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6659 fold_convert to create a constant of the appropriate type.
6661 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6663 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6664 SYMBOL_REF_IN_BLOCK_P.
6665 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6666 of SYMBOL_FLAG_IN_BLOCK.
6667 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6668 instead of SYMBOL_REF_IN_BLOCK_P.
6669 * explow.c (use_anchored_address): Likewise.
6670 * rtl.c (rtx_size): Likewise.
6671 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6672 instead of SYMBOL_FLAG_IN_BLOCK.
6673 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6674 SYMBOL_REF_IN_BLOCK_P.
6675 (assemble_variable): Likewise.
6676 (output_constant_def_contents): Likewise.
6677 (output_constant_pool): Likewise.
6678 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6679 instead of SYMBOL_FLAG_IN_BLOCK.
6680 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6681 SYMBOL_REF_IN_BLOCK_P.
6682 (SYMBOL_REF_BLOCK): Likewise.
6683 (SYMBOL_REF_OFFSET): Likewise.
6684 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6685 SYMBOL_REF_IN_BLOCK_P.
6686 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6687 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6688 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6689 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6691 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6693 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6695 2006-03-02 Roger Sayle <roger@eyesopen.com>
6697 * simplify-rtx.c (simplify_unary_operation): When simplifying
6698 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6699 that we perform the right shift in the appropriate mode, and
6700 then extend or truncate the result to requested mode.
6702 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6704 * gengtype.c (main): Handle double_int type.
6705 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6706 * double-int.c: New file.
6707 * double-int.h: New file.
6708 * system.h: Include doubleint.h.
6709 * Makefile.in (SYSTEM_H): Include double-int.h.
6710 (double-int.o): Add.
6712 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6715 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6718 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6720 * tree-vrp.c (remove_range_assertions): Do not update statements
6723 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6725 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6727 * gcse.c (rest_of_handle_gcse): Ditto.
6728 * except.c (gate_handle_eh): Ditto.
6729 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6730 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6732 2006-03-02 Eric Christopher <echristo@apple.com>
6734 * config/i386/i386.c (machopic_output_stub): Add indirection to
6737 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6741 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6743 Sun Niagara specific optimizations.
6744 * config.gcc: Recognize niagara as target.
6745 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6746 (TARGET_CPU_niagara): Define.
6747 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6748 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6749 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6750 (ASM_CPU_SPEC): Likewise.
6751 (PROCESSOR_NIAGARA): New enum entry.
6752 (REGISTER_MOVE_COST): Handle Niagara.
6753 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6754 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6755 (sparc_override_options): Recognize "niagara", set appropriate
6756 default MASK_* values for it, and align functions to 32-bytes
6757 by default just like ULTRASPARC/ULTRASPARC3.
6758 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6759 (sparc64_initialize_trampoline): Likewise.
6760 (sparc_use_sched_lookahead): Use zero for niagara.
6761 (sparc_issue_rate): Use one for niagara.
6762 * config/sparc/niagara.md: New file.
6763 * config/sparc/sparc.md: Include it.
6764 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6765 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6766 when default cpu is niagara.
6767 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6768 (ASM_CPU_SPEC): Likewise.
6769 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6770 when default cpu is niagara.
6771 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6772 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6773 just like v9/ultrasparc/ultrasparc3.
6774 * doc/invoke.texi: Add documentation for "niagara" and improve
6775 existing documentation for ultrasparc variants.
6777 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6779 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6781 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6783 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6784 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6785 and say that only one is needed.
6786 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6787 * target.h (have_switchable_bss_sections): New hook.
6788 * explow.c (use_anchored_address): Check that the symbol is in a block.
6789 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6790 (bss_noswitch_section): New variables.
6791 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6792 (get_noswitch_section): New function.
6793 (get_block_for_section): Allow SECT to be null.
6794 (unlikely_text_section_p): Use SECTION_STYLE.
6795 (bss_initializer_p): New function.
6796 (get_variable_section): Move earlier in file. Take a new argument,
6797 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6798 Return one of the new *_sections in such cases.
6799 (get_block_for_decl): New function, extracting some logic from
6800 use_blocks_for_decl_p.
6801 (change_symbol_section): Remove in favor of...
6802 (change_symbol_block): ...this new function.
6803 (use_blocks_for_decl_p): Remove checks now performed by
6805 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6806 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6807 (emit_local, emit_bss, emit_common): ...these new functions.
6808 Return true if the alignment was honored.
6809 (emit_tls_common): New function.
6810 (asm_emit_uninitialised): Delete.
6811 (assemble_variable_noswitch): New function, split out from...
6812 (assemble_variable): ...here. Don't make decisions about common
6813 variables here. Globalize all public decls that go into non-common
6814 sections. Check whether SYMBOL_REF_BLOCK is null.
6815 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6816 (output_constant_pool): Likewise.
6817 (init_varasm_once): Initialize the new section variables.
6818 (have_global_bss_p): New function.
6819 (categorize_decl_for_section): Use bss_initializer_p.
6820 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6821 (place_block_symbol): Assert that the symbol must be in a block.
6822 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6823 (TARGET_INITIALIZER): Include it.
6824 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6825 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6826 (SECTION_MACH_DEP): Bump by two.
6827 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6828 (unnamed_section): Mention SECTION_UNNAMED in comment.
6829 (named_section): Likewise SECTION_NAMED.
6830 (noswitch_section_callback): New type.
6831 (noswitch_section): New structure.
6832 (section): Add a noswitch_section alternative.
6833 (SECTION_STYLE): New macro.
6834 (tls_comm_section, comm_section, lcomm_section): Declare.
6835 (bss_noswitch_section, have_global_bss_p): Declare.
6836 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6837 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6839 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6840 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6843 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6845 * tree-vrp.c (execute_vrp): Return value.
6846 * regrename.c (rest_of_handle_regrename): Ditto.
6847 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6848 * tree-complex.c (tree_lower_complex): Ditto.
6849 (tree_lower_complex_O0): Ditto.
6850 * tracer.c (rest_of_handle_tracer): Ditto.
6851 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6852 * postreload.c (rest_of_handle_postreload): Ditto.
6853 * tree-tailcall.c (execute_tail_recursion): Ditto.
6854 (execute_tail_calls): Ditto.
6855 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6856 * tree.h (init_function_for_compilation): Ditto.
6857 * ipa-cp.c (ipcp_driver): Ditto.
6858 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6859 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6860 * final.c (compute_alignments): Ditto.
6861 (rest_of_handle_final): Ditto.
6862 (rest_of_handle_shorten_branches): Ditto.
6863 (rest_of_clean_state): Ditto.
6864 * omp-low.c (execute_expand_omp): Ditto.
6865 (execute_lower_omp): Ditto.
6866 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6867 * ipa-reference.c (static_execute): Ditto.
6868 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6869 * reorg.c (rest_of_handle_delay_slots): Ditto.
6870 (rest_of_handle_machine_reorg): Ditto.
6871 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6872 * flow.c (recompute_reg_usage): Ditto.
6873 (rest_of_handle_remove_death_notes): Ditto.
6874 (rest_of_handle_life): Ditto.
6875 (rest_of_handle_flow2): Ditto.
6876 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6877 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6878 (do_ssa_store_ccp): Ditto.
6879 (execute_fold_all_builtins): Ditto.
6880 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6881 * modulo-sched.c (rest_of_handle_sms): Ditto.
6882 * ipa-pure-const.c (static_execute): Ditto.
6883 * cse.c (rest_of_handle_cse): Ditto.
6884 (rest_of_handle_cse2): Ditto.
6885 * web.c (rest_of_handle_web): Ditto.
6886 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6887 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6888 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6889 * tree-nrv.c (tree_nrv): Ditto.
6890 (execute_return_slot_opt): Ditto.
6891 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6892 (create_structure_vars): Ditto.
6893 * loop-init.c (rtl_loop_init): Ditto.
6894 (rtl_loop_done): Ditto.
6895 (rtl_move_loop_invariants): Ditto.
6896 (rtl_unswitch): Ditto.
6897 (rtl_unroll_and_peel_loops): Ditto.
6898 (rtl_doloop): Ditto.
6899 * gimple-low.c (lower_function_body): Ditto.
6900 (mark_used_blocks): Ditto.
6901 * tree-ssa-sink.c (execute_sink_code): Ditto.
6902 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6903 (cgraph_early_inlining): Ditto.
6904 * global.c (rest_of_handle_global_alloc): Ditto.
6905 * jump.c (cleanup_barriers): Ditto.
6906 (purge_line_number_notes): Ditto.
6907 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6908 (rest_of_handle_if_after_reload): Ditto.
6909 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6910 (tree_ssa_loop_im): Ditto.
6911 (tree_ssa_loop_unswitch): Ditto.
6912 (tree_vectorize): Ditto.
6913 (tree_linear_transform): Ditto.
6914 (tree_ssa_loop_ivcanon): Ditto.
6915 (tree_ssa_empty_loop): Ditto.
6916 (tree_ssa_loop_bounds): Ditto.
6917 (tree_complete_unroll): Ditto.
6918 (tree_ssa_loop_prefetch): Ditto.
6919 (tree_ssa_loop_ivopts): Ditto.
6920 (tree_ssa_loop_done): Ditto.
6921 * predict.c (tree_estimate_probability): Ditto.
6922 * recog.c (split_all_insns_noflow): Ditto.
6923 (rest_of_handle_peephole2): Ditto.
6924 (rest_of_handle_split_all_insns): Ditto.
6925 * tree-eh.c (lower_eh_constructs): Ditto.
6926 * regmove.c (rest_of_handle_regmove): Ditto.
6927 (rest_of_handle_stack_adjustments): Ditto.
6928 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6929 * function.c (instantiate_virtual_regs): Ditto.
6930 (init_function_for_compilation): Ditto.
6931 (rest_of_handle_check_leaf_regs): Ditto.
6932 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6933 (rest_of_handle_gcse): Ditto.
6934 * ipa-type-escape.c (type_escape_execute): Ditto.
6935 * alias.c (rest_of_handle_cfg): Ditto.
6936 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6937 * profile.c (rest_of_handle_branch_prob): Ditto.
6938 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6939 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6940 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6941 * tree-dfa.c (find_referenced_vars): Ditto.
6942 * except.c (set_nothrow_function_flags): Ditto.
6943 (convert_to_eh_region_ranges): Ditto.
6944 (rest_of_handle_eh): Ditto.
6945 * emit-rtl.c (unshare_all_rtl): Ditto.
6946 (remove_unnecessary_notes): Ditto.
6947 * except.h (set_nothrow_function_flags): Ditto.
6948 (convert_to_eh_region_ranges): Ditto.
6949 * cfgexpand.c (tree_expand_cfg): Ditto.
6950 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6951 * tree-ssa-pre.c (do_pre): Ditto.
6952 (execute_fre): Ditto.
6953 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6954 (rest_of_handle_jump2): Ditto.
6955 * tree-sra.c (tree_sra): Ditto.
6956 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6957 (execute_mudflap_function_decls): Ditto.
6958 * tree-ssa-copy.c (do_copy_prop): Ditto.
6959 (do_store_copy_prop): Ditto.
6960 * ipa-prop.h (ipcp_driver): Ditto.
6961 * cfglayout.c (insn_locators_initialize): Ditto.
6962 * tree-ssa-forwprop.c
6963 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6964 * cfglayout.h (insn_locators_initialize): Ditto.
6965 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6966 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6967 (execute_late_warn_uninitialized): Ditto.
6968 * rtl.h (cleanup_barriers): Ditto.
6969 (split_all_insns_noflow): Ditto.
6970 (purge_line_number_notes): Ditto.
6971 (unshare_all_rtl): Ditto.
6972 (remove_unnecessary_notes): Ditto.
6973 (recompute_reg_usage): Ditto.
6974 (variable_tracking_main): Ditto.
6975 * integrate.c (emit_initial_value_sets): Ditto.
6976 * integrate.h (emit_initial_value_sets): Ditto.
6977 * tree-optimize.c (execute_free_datastructures): Ditto
6978 (execute_free_cfg_annotations): Ditto.
6979 (execute_fixup_cfg): Ditto.
6980 (execute_cleanup_cfg_pre_ipa): Ditto.
6981 (execute_cleanup_cfg_post_optimizing): Ditto.
6982 (execute_init_datastructures): Ditto.
6983 * tree-object-size.c (compute_object_sizes): Ditto.
6984 * combine.c (rest_of_handle_combine): Ditto.
6985 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6986 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6987 (rest_of_handle_reorder_blocks): Ditto.
6988 (rest_of_handle_partition_blocks): Ditto.
6989 * var-tracking.c (variable_tracking_main): Ditto.
6990 * tree-profile.c (tree_profiling): Ditto.
6991 * tree-vect-generic.c (expand_vector_operations): Ditto.
6992 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6993 * sched-rgn.c (rest_of_handle_sched): Ditto.
6994 (rest_of_handle_sched2): Ditto.
6995 * basic-block.h (free_bb_insn): Ditto.
6996 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6997 * tree-cfg.c (execute_build_cfg): Ditto.
6998 (remove_useless_stmts): Ditto.
6999 (split_critical_edges): Ditto.
7000 (execute_warn_function_return): Ditto.
7001 (execute_warn_function_noreturn): Ditto.
7002 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7003 * cfgrtl.c (free_bb_for_insn): Ditto.
7004 * passes.c (execute_one_pass): Run additional
7005 todos returned by execute function.
7006 * tree-pass.h (struct tree_opt_pass): Make execute
7009 2006-03-02 Richard Guenther <rguenther@suse.de>
7011 * tree-ssa-alias.c (find_used_portions): Consider taking
7012 the address as making the variable not write-only.
7014 2006-03-02 Nick Clifton <nickc@redhat.com>
7016 * config.gcc (default_use_cxa_atexit): Extend the description of
7017 this configure variable. Set its default value to "yes" for
7018 Linux, NetBSD and ELF targets on the assumption that they will
7019 use C libraries with the __cxa_atexit function.
7021 2006-03-02 Ben Elliston <bje@au.ibm.com>
7023 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7024 parameter as unused to suppress a build warning.
7026 2006-03-02 Ben Elliston <bje@au.ibm.com>
7028 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7031 2006-03-01 Roger Sayle <roger@eyesopen.com>
7034 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7035 declared name, the weak reference name, and the typeof name.
7036 (__gthrw): Avoid expanding the declared name suffix.
7037 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7039 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7041 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7043 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7044 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7045 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7046 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7047 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7048 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7049 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7050 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7051 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7052 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7053 (DW_END_default, DW_END_big, DW_END_little): New.
7054 (DW_END_lo_user, DW_END_hi_user): Define.
7055 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7056 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7057 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7060 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7062 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7064 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7066 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7068 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7070 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7071 to 'symbol_mem_tag'.
7073 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7076 2006-03-01 Roger Sayle <roger@eyesopen.com>
7078 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7080 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7083 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7084 MACHO_DYNAMIC_NO_PIC_P.
7085 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7087 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7090 * config/darwin-protos.h (darwin_asm_output_anchor):
7092 * config/darwin-sections.def (cstring_section):
7093 Add SECTION_MERGE to the flags.
7094 (literal4_section): Likewise.
7095 (literal8_section): Likewise.
7096 (objc_selector_refs_section): Likewise.
7097 (objc_cls_refs_section): Likewise.
7098 * config/darwin.c (darwin_asm_output_anchor): New
7100 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7102 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7104 Fix PR tree-optimization/26443
7105 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7106 to todo and PROP_tmt_usage to properties_destroyed.
7107 * tree-ssa-ccp.c (pass_ccp): Ditto.
7108 (pass_store_ccp): Ditto.
7109 * tree-ssa-dom.c (pass_dominator): Ditto.
7111 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7113 * tree-ssa-operands.c: Cleanup whitespace.
7114 (get_asm_expr_operands): Move before first invocation.
7115 (get_indirect_ref_operands): Likewise.
7116 (get_tmr_operands): Likewise.
7117 (get_call_expr_operands): Likewise.
7118 (append_def): Likewise.
7119 (append_use): Likewise.
7120 (append_v_may_def): Likewise.
7121 (append_v_must_def): Likewise.
7122 (add_call_clobber_ops): Likewise.
7123 (add_call_read_ops): Likewise.
7124 (add_stmt_operand): Likewise.
7125 (add_virtual_operand): Likewise.
7126 (build_ssa_operands): Likewise.
7128 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7133 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7134 with a call expr to ...
7135 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7137 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7139 * tree-vrp.c (extract_range_from_assert): Remove special
7140 handling for types with super-types.
7142 2006-03-01 Ben Elliston <bje@au.ibm.com>
7144 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7145 and powerpc64-*-linux* configurations.
7146 * config/t-dfprules: New file.
7148 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7149 Compile dfp-bit.c from the source directory using -DWIDTH and
7150 $DFP_CFLAGS to control the compilation of that file, rather than
7151 generating width-specific versions in the build directory.
7152 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7153 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7155 2006-02-28 Zack Weinberg <zackw@panix.com>
7157 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7160 2006-02-28 Eric Christopher <echristo@apple.com>
7162 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7163 Set up IN_LIBGCC definition of TARGET_64BIT.
7164 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7166 2006-02-28 Roger Sayle <roger@eyesopen.com>
7169 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7170 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7171 cases via the construction of "expr != 0".
7173 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7175 * alias.c (alias_invariant, alias_invariant_size): Remove.
7176 (record_base_value): Remove.
7177 (memrefs_conflict_p): Don't look at alias_invariant.
7178 (end_alias_analysis): Don't free it.
7179 * alias.h (record_base_value): Remove prototype.
7181 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7182 Adam Nemet <anemet@caviumnetworks.com>
7184 * rtl.h (truncated_to_mode): Declare it.
7185 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7186 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7187 (RTL_HOOKS_INITIALIZER): Include it.
7188 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7189 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7190 reg_truncated_to_mode.
7191 * rtlanal.c (truncated_to_mode): Define it.
7192 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7194 2006-02-28 Jeff Law <law@redhat.com>
7196 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7197 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7198 the range allowed by TYPE_PRECISION.
7200 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7202 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7204 PR tree-optimization/26419
7205 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7208 2006-02-27 Zack Weinberg <zackw@panix.com>
7210 * doc/md.texi: Fix typo in previous change.
7212 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7216 2006-02-27 Zack Weinberg <zackw@panix.com>
7218 * rtl.def (define_constraint, define_register_constraint)
7219 (define_memory_constraint, define_address_constraint): New MD forms.
7220 * gensupport.c (process_rtx): Put define_constraint etc on the
7222 * genpreds.c (process_define_predicate): Adjust comment. Validate
7223 the name, and call validate_exp to validate the expression.
7224 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7225 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7226 all callers changed.
7227 (validate_exp, needs_variable, struct constraint_data)
7228 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7229 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7230 (const_dbl_constraints, constraint_max_namelen)
7231 (have_register_constraints, have_memory_constraints)
7232 (have_address_constraints, have_address_constraints)
7233 (have_extra_constraints, have_const_int_constraints)
7234 (have_const_dbl_constraints, mangle, add_constraint)
7235 (process_define_constraint, process_define_register_constraint)
7236 (write_enum_constraint_num, write_lookup_constraint)
7237 (write_insn_constraint_len, write_regclass_for_constraint)
7238 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7239 (write_insn_extra_memory_constraint)
7240 (write_insn_extra_address_constraint)
7241 (write_satisfies_constraint_fns): New.
7242 (write_tm_preds_h): If we have new-style constraint definitions,
7243 prototype the functions generated from them, and define the
7244 old constraint interface (still used by generic code) in terms of
7246 (write_insn_preds_c): If we have new-style constraint definitions,
7247 generate all relevant functions from those definitions.
7248 (main): Handle define_constraint etc.
7249 * genoutput.c (struct constraint_data, indep_constraints)
7250 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7251 (mdep_constraint_len): New data structures and functions, defined
7252 #ifdef USE_MD_CONSTRAINTS.
7253 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7254 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7255 use new logic to validate operand constraints against constraint
7257 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7259 * defaults.h: If none of the old-style constraint macros are
7260 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7261 old-style macros; and poison REG_CLASS_FROM_LETTER,
7262 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7264 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7265 * doc/md.texi: Document new constraint-definition mechanism and the
7266 C interface it provides. Remove references to old mechanism
7267 elsewhere in the document.
7268 (Machine Constraints): Use pathnames relative to gcc directory,
7269 i.e. config/ARCH/FILE. Change i386 section to refer to
7270 config/i386/predicates.md; update that section to match docstrings.
7271 * doc/tm.texi: Move all documentation of the old constraint-
7272 definition macros to their own section, clearly mark as obsolete.
7274 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7275 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7277 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7278 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7279 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7281 (splits and peepholes): Use satisfies_constraint_*.
7282 * config/i386/i386.c (memory_address_length)
7283 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7285 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7287 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7288 scalar operation to be put back into the loop.
7290 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7293 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7294 (extract_cie_info): Handle S flag in augmentation string.
7295 (execute_cfa_program): If context->signal_frame, execute also
7296 fs->pc == context->ra instructions.
7297 (uw_frame_state_for): If context->signal_frame, don't subtract one
7298 from context->ra to find FDE.
7299 (uw_update_context_1): Set context->signal_frame to
7301 (_Unwind_GetIPInfo): New function.
7302 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7303 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7305 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7306 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7307 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7308 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7309 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7310 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7311 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7312 x86_64_fallback_frame_state): Set fs->signal_frame.
7313 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7314 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7315 (frob_update_context): Likewise. Workaround missing S flag in
7316 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7317 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7318 Remove the psw_addr + 1 hack.
7320 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7322 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7323 with aggregates here.
7324 (find_func_aliases): Remove code for &<aggregate> from here.
7326 2006-02-26 Roger Sayle <roger@eyesopen.com>
7328 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7329 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7330 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7333 2006-02-26 Roger Sayle <roger@eyesopen.com>
7336 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7338 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7340 * opts.c (decode_options): Do not handle flag_strength_reduce.
7341 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7342 and OPT_fstrength_reduce.
7343 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7344 flag_prefetch_loop_arrays for being nonzero.
7345 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7347 (fprefetch-loop-arrays-rtl): Removed.
7348 (flag_prefetch_loop_arrays): Do not specify the value.
7350 * doc/passes.texi: Update documentation of loop optimizer
7352 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7353 -frerun-loop-opt): Remove.
7355 2006-02-26 Richard Guenther <rguenther@suse.de>
7357 PR tree-optimization/26421
7358 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7359 in function calls that are ADDR_EXPRs as using the whole structure.
7361 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7363 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7364 * tree-pass.h (pass_loop_optimize): Remove.
7365 * passes.c (pass_loop_optimize): Never run it.
7366 * toplev.c (backend_init): Don't call init_loop.
7367 * opts.c (flag_loop_optimize_set): Remove.
7368 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7369 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7370 the old RTL loop optimizer when profiling enabled.
7371 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7372 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7373 pre-headers for the sake of the old RTL loop optimizer.
7374 * Makefile.in: Remove all references to loop.o.
7376 * doc/invoke.texi: Remove all references to -floop-optimize
7377 and -frerun-loop-opt.
7379 2006-02-26 Zack Weinberg <zackw@panix.com>
7381 * doc/md.texi (Machine Constraints): Refer to all files with paths
7382 relative to gcc directory (i.e. config/CPU/file). Add missing
7383 @table @code ... @end table to M32C subsection.
7385 2006-02-26 Roger Sayle <roger@eyesopen.com>
7387 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7389 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7391 2006-02-26 Roger Sayle <roger@eyesopen.com>
7392 James A. Morrison <phython@gcc.gnu.org>
7395 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7396 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7397 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7398 signedness of the shift operation.
7400 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7402 PR tree-optimization/26359
7403 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7405 2006-02-25 Roger Sayle <roger@eyesopen.com>
7407 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7408 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7409 as X == 0, and some symmetry related transformations.
7410 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7412 2006-02-25 Roger Sayle <roger@eyesopen.com>
7415 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7416 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7417 symmetry related transformations. Fold (X^C1) == C2 as
7420 2006-02-25 Juergen Weigert <jw@suse.de>
7421 Richard Guenther <rguenther@suse.de>
7423 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7425 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7427 * combine.c (gen_lowpart_or_truncate): Call
7428 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7430 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7432 * doc/invoke.texi: Move -fopenmp description to "Options for
7434 Remove reference to -lgomp.
7436 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7438 * doc/install.texi: Require GNU tar version 1.14.
7440 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7442 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7443 * doc/invoke.texi (C++ Dialect Options): Document
7444 -fno-use-cxa-get-exception-ptr.
7445 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7446 * configure: Regenerate.
7447 * c.opt (fuse-cxa-get-exception-ptr): New.
7448 * c-opts.c (c_common_handle_option): Handle
7449 OPT_fuse_cxa_get_exception_ptr.
7450 * c-common.c (flag_use_cxa_atexit): Update documentation.
7451 (flag_use_cxa_get_exception_ptr): New.
7452 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7453 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7455 (C_COMMON_OVERRIDE_OPTIONS): New.
7457 2006-02-24 Roger Sayle <roger@eyesopen.com>
7460 * combine.c (try_combine): Explicitly check whether GET_CODE is
7461 a SET or a CLOBBER, instead on checking that it isn't a USE.
7463 2006-02-24 Roger Sayle <roger@eyesopen.com>
7465 * fold-const.c (fold_comparison): New subroutine of fold_binary
7466 containing transformations common to both the equality and
7467 ordering relational operators, factored out of fold_binary.
7468 (fold_binary): Separate out the equality operators (EQ_EXPR
7469 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7470 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7471 transformations common to both.
7472 (fold_div_compare): Fix latent bugs in the previously unreachable
7473 LT_EXPR and GE_EXPR cases.
7475 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7477 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7478 decl libname for clog to __clog on AIX.
7480 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7482 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7485 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7486 output traceback table for thunks. Localise rs6000_stack_info call.
7488 2006-02-23 Roger Sayle <roger@eyesopen.com>
7489 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7491 * gthr-posix.h (__gthrw): Fix typo in comment.
7493 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7495 * doc/cpp.texi (Character sets): Document that we do support
7496 input files to be in any character set.
7498 2006-02-23 Jeff Law <law@redhat.com>
7500 * tree.h (PHI_ARG_NONZERO): Remove.
7501 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7502 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7503 node to the new node.
7505 PR tree-optimization/26425
7506 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7507 min/max, then assume its varying.
7509 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7511 PR rtl-optimization/26316
7512 * rtlanal.c (enum may_trap_p_flags): New.
7513 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7514 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7515 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7516 (may_trap_after_code_motion_p): New function.
7517 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7518 (find_invariant_insn): Use may_trap_after_code_motion_p.
7519 * rtl.h (may_trap_after_code_motion_p): Declare.
7521 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7523 * emit-rtl.c (immed_double_const): Cleanup.
7525 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7527 Fix PR tree-optimization/26376
7528 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7531 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7534 * gimplify.c (omp_add_variable): Guard variable size decl test with
7535 DECL_SIZE (decl) check.
7537 2006-02-23 Richard Guenther <rguenther@suse.de>
7540 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7541 like aggregate types.
7543 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7545 * configure.ac: Add --with{,out}-long-double-128 configure option.
7546 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7547 * configure: Rebuilt.
7548 * config.in: Rebuilt.
7549 * doc/install.texi (Options specification): Document
7550 --with-long-double-128.
7552 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7553 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7554 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7555 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7557 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7559 * config/s390/s390.c (override_options): Handle
7560 TARGET_DEFAULT_LONG_DOUBLE_128.
7562 * config/alpha/alpha.c (override_options): Handle
7563 TARGET_DEFAULT_LONG_DOUBLE_128.
7565 * config/sparc/sparc.c (sparc_override_options): Handle
7566 TARGET_DEFAULT_LONG_DOUBLE_128.
7568 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7570 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7571 (real-install-headers-tar, real-install-headers-cpio)
7572 (real-install-headers-cp): New targets.
7574 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7576 * tree.h (variable_section): Delete.
7577 * varasm.c (variable_section): Delete.
7579 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7581 * install.texi: Add notes on install.texi2html.
7582 (Building in parallel): Do not use footnotes.
7584 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7587 * doc/install.texi (Configuration): Document --disable-libgomp.
7589 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7591 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7593 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7595 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7596 (vec_extractv2df_0_sse): New.
7598 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7600 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7601 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7602 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7603 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7604 to the result of the expression.
7605 (def_cfa_1): Adjust.
7606 (frame_pointer_cfa_offset): Rename to...
7607 (frame_pointer_fb_offset): ... this. Adjust all uses.
7608 (convert_cfa_to_loc_list): Rename to...
7609 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7610 Pass it on to build_cfa_loc.
7611 (compute_frame_pointer_to_cfa_displacement): Rename to...
7612 (compute_frame_pointer_to_fb_displacement): ... this. New
7613 offset parameter. Use it in computation.
7614 (gen_subprogram_die): Compute cfa_fb_offset with the new
7615 macro, and use it to compute the fb loc list and the
7618 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7620 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7621 replaced with register_operand.
7622 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7623 non-DREG is expensive.
7624 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7625 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7628 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7630 * doc/install.texi2html: Use set -e.
7632 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7634 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7635 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7636 * doc/invoke.texi (-fshared-data): Delete.
7637 * common.opt (fshared-data): Delete.
7638 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7639 (assemble_static_space): Remove #if 0 code.
7640 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7641 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7642 * config/cris/cris.h: Remove FIXME.
7644 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7646 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7649 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7652 * combine.c (simplify_shift_const_1): Disable nested shifts
7653 optimization for vector shifts.
7655 2006-02-20 Roger Sayle <roger@eyesopen.com>
7657 PR tree-optimization/26361
7658 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7659 of unsigned integer types.
7661 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7663 * tree-chrec.c (eq_evolutions_p): New.
7664 * tree-chrec.h (eq_evolutions_p): Declared.
7665 * tree-data-ref.c: Fix formatting.
7666 (datadep_stats, dependence_stats): New.
7668 (print_direction_vector): New.
7669 (dump_data_dependence_relation): Use print_direction_vector.
7670 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7671 (compute_subscript_distance): Static.
7672 (initialize_data_dependence_relation): Static. Get the number
7673 of loops surrounding the references from the callers, and initialize
7674 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7675 base_object_differ_p analyzers.
7676 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7677 compute_overlap_steps_for_affine_1_2,
7678 analyze_subscript_affine_affine): Count the classified dependences.
7679 Print a message when a test failed.
7680 (can_use_analyze_subscript_affine_affine): New.
7681 (analyze_siv_subscript): Compute the data dependences on symbolic
7682 scevs that verify can_use_analyze_subscript_affine_affine.
7683 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7684 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7685 Handle symbolic scevs.
7686 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7688 (subscript_dependence_tester): Moved...
7689 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7690 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7691 DDR_SIZE_VECT instead of getting it in parameter.
7692 (subscript_dependence_tester): ... here. Take as a parameter
7693 loop_nest_depth. Call build_classic_dist_vector and
7694 build_classic_dir_vector.
7695 (compute_affine_dependence): Update subscript_dependence_tester
7696 parameters. Update datadep_stats counters. Call
7697 compute_subscript_distance.
7698 (compute_self_dependence): Save the dist and dir vectors. Call
7699 compute_subscript_distance.
7700 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7701 (compute_all_dependences): Reorder parameters as they were before
7702 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7703 compute_subscript_distance. Update the use of
7704 compute_affine_dependence and initialize_data_dependence_relation.
7705 (find_data_references_in_loop): Handle COMPONENT_REF.
7706 (compute_data_dependences_for_loop): Initialize dependence_stats.
7707 Don't call build_classic_dist_vector and build_classic_dir_vector.
7708 Update the parameters of initialize_data_dependence_relation and
7709 compute_all_dependences. Print the statistics from datadep_stats.
7710 (analyze_all_data_dependences): Static. Not used until the pass for
7711 checking the data dependences is contributed.
7712 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7713 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7714 (initialize_data_dependence_relation, compute_affine_dependence,
7715 analyze_all_data_dependences, compute_subscript_distance): Removed.
7716 (print_direction_vector): New.
7717 * lambda.h (gcd): ... here.
7718 (lambda_vector_gcd): Moved here from gcd_vector.
7719 * lambda-code.c (gcd, gcd_vector): Removed.
7720 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7721 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7723 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7725 * ipa-type-escape.c: Tidy some comments and white space.
7726 * tree-ssa-operands.c: Likewise.
7728 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7731 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7732 (dump_decl_name): Do not walk the decl tree chains.
7733 * tree-pass.h (TDF_CHAIN): Remove.
7735 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7737 * Makefile.in (C): Remove
7739 (.PHONY): Remove C and PROTO
7741 2006-02-20 Roger Sayle <roger@eyesopen.com>
7744 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7745 deprecated CHAR_TYPE tree code.
7747 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7749 * configure.ac (target_list): Add install-info, dvi, html.
7750 * configure: Regenerate.
7752 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7753 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7754 treelang/Make-lang.in: Do not use double-colon rules.
7756 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7758 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7759 (TMT_USED_ALONE): New macro.
7760 * tree-pass.h (PROP_tmt_usage): New property.
7761 (TODO_update_tmt_usage): New todo.
7762 * tree-ssa-alias.c (updating_used_alone): New variable.
7763 (recalculate_used_alone): New function.
7764 (compute_may_aliases): Set updating_used_alone, call
7765 recalculate_used_alone.
7766 * tree-sra.c (pass_sra): Note that this pass destroys
7767 PROP_tmt_usage, and add TODO_update_tmt_usage.
7768 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7769 * tree-flow.h (updating_used_alone): Prototype.
7770 (recalculate_used_alone): Ditto.
7771 * passes.c (execute_todo): Add code to set updating_used_alone,
7772 and call recalculate.
7773 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7774 for clobber if used alone, and add assert to verify used_alone
7777 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7779 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7780 for non tls symbols added.
7781 (legitimize_address): Do nothing for PLUS expressions if one of the
7782 addends is a tls symbol reference.
7784 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7788 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7790 * Makefile.in (BOOTSTRAPPING): New.
7791 (quickstrap): New definition if BOOTSTRAPPING=yes.
7793 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7794 * configure.ac: Substitute all_selected_languages with the languages
7795 that were configured. For all the other variables except
7796 lang_specs_files, include all the languages in the tree.
7797 * configure: Regenerate.
7799 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7800 if there is one. Run the commands to run fixincludes in the same
7803 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7804 * doc/install.texi: Document exact conventions for searching target tools.
7805 Document --with-build-time-tools. Document toplevel bootstrap. Document
7806 something more about building an Ada cross-compiler. Don't list GNU Make
7807 requirements which affect all platforms.
7809 2006-02-19 Roger Sayle <roger@eyesopen.com>
7812 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7813 only equivalent if the have both the same mode and precision.
7815 2006-02-20 Ben Elliston <bje@au.ibm.com>
7817 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7819 2006-02-19 Roger Sayle <roger@eyesopen.com>
7820 Steven Bosscher <stevenb.gcc@gmail.com>
7822 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7823 constant pool references to identify stack mode constants.
7824 * rtlanal.c (constant_pool_constant_p): New predicate to check
7825 whether operand is a floating point constant in the pool.
7826 * rtl.h (constant_pool_constant_p): Prototype here.
7827 * loop.c (scan_loop): Avoid hoisting constants from the constant
7828 pool on STACK_REGS targets.
7829 (load_mems): Likewise.
7830 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7831 loads into x87 registers expensive in terms of register pressure.
7833 2006-02-19 Roger Sayle <roger@eyesopen.com>
7835 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7836 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7838 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7840 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7841 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7843 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7845 * doc/invoke.texi: Document -fipa-pta.
7846 * common.opt: Add ipa-pta option.
7847 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7848 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7849 (do_ds_constraint): Ditto.
7850 (get_constraint_for): Only add to referenced_vars if
7851 referenced_vars exists.
7852 (insert_into_field_list): Rewrite to do this unsorted.
7853 (insert_into_field_list_sorted): Rename old insert_into_field_list
7855 (create_function_info_for): Use insert_into_field_list_sorted.
7856 (create_variable_info_for): Rewrite so it uses unsorted version,
7857 since the field list is sorted.
7858 (intra_create_variable_infos): Only add to referenced_vars if
7859 referenced_vars exists.
7860 (ipa_pta_execute): Init heapvars, and delete when done.
7861 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7863 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7865 * doc/install.texi: Add missing `@samp'.
7867 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7869 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7872 2006-02-18 Mark Wielaard <mark@klomp.org>
7874 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7875 who added new 4.1 features, bug fixes and integration support.
7877 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7880 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7883 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7885 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7886 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7887 (copy_insn_1): Likewise. Don't copy each field individually.
7889 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7891 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7892 * rtl.c (rtx_size): Rename variable to...
7893 (rtx_code_size): ...this.
7894 (rtx_size): New function.
7895 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7896 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7898 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7899 * rtl.h (rtx_code_size): New variable.
7900 (rtx_size): Change from a variable to a function.
7901 (RTX_SIZE): Rename to...
7902 (RTX_CODE_SIZE): ...this.
7905 PR tree-optimization/17106
7906 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7907 (Anchored Addresses): New section.
7908 * doc/invoke.texi (-fsection-anchors): Document.
7909 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7910 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7911 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7912 * hooks.c (hook_bool_mode_rtx_false): New function.
7913 * hooks.h (hook_bool_mode_rtx_false): Declare.
7914 * gengtype.c (create_optional_field): New function.
7915 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7916 SYMBOL_REF_IN_BLOCK_P is true.
7917 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7918 (min_anchor_offset, max_anchor_offset): Likewise.
7919 (use_anchors_for_symbol_p): New hook.
7920 * toplev.c (compile_file): Call output_object_blocks.
7921 (target_supports_section_anchors_p): New function.
7922 (process_options): Check that -fsection-anchors is only used on
7923 targets that support it and when -funit-at-a-time is in effect.
7924 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7925 if the decl doesn't have one.
7926 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7927 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7928 of force_const_mem through use_anchored_address.
7929 (expand_expr_constant): New function.
7930 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7931 calling expand_expr for INDIRECT_REF.
7932 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7933 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7934 * expr.h (use_anchored_address): Declare.
7935 * loop-unroll.c: Don't declare rtx vectors here.
7936 * explow.c: Include output.h.
7937 (validize_mem): Call use_anchored_address.
7938 (use_anchored_address): New function.
7939 * common.opt (-fsection-anchors): New switch.
7940 * varasm.c (object_block_htab, anchor_labelno): New variables.
7941 (hash_section, object_block_entry_eq, object_block_entry_hash)
7942 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7943 (use_blocks_for_decl_p, change_symbol_section): New functions.
7944 (get_variable_section): New function, split out from assemble_variable.
7945 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7946 use_blocks_for_decl_p say so. Use change_symbol_section if the
7947 symbol has already been created.
7948 (assemble_variable_contents): New function, split out from...
7949 (assemble_variable): ...here. Don't output any code for
7950 block symbols; just pass them to place_block_symbol.
7951 Use get_variable_section and assemble_variable_contents.
7952 (get_constant_alignment, get_constant_section, get_constant_size): New
7953 functions, split from output_constant_def_contents.
7954 (build_constant_desc): Create a block symbol if use_object_blocks_p
7955 says so. Or into SYMBOL_REF_FLAGS.
7956 (assemble_constant_contents): New function, split from...
7957 (output_constant_def_contents): ...here. Don't output any code
7958 for block symbols; just pass them to place_section_symbol.
7959 Use get_constant_section and get_constant_alignment.
7960 (force_const_mem): Create a block symbol if use_object_blocks_p and
7961 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7962 (output_constant_pool_1): Add an explicit alignment argument.
7963 Don't switch sections here.
7964 (output_constant_pool): Adjust call to output_constant_pool_1.
7965 Switch sections here instead. Don't output anything for block symbols;
7966 just pass them to place_block_symbol.
7967 (init_varasm_once): Initialize object_block_htab.
7968 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7969 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7970 (place_block_symbol, get_section_anchor, output_object_block)
7971 (output_object_block_htab, output_object_blocks): New functions.
7972 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7973 (TARGET_ASM_OUT): Include it.
7974 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7975 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7976 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7977 (TARGET_INITIALIZER): Include them.
7978 * rtl.c (rtl_check_failed_block_symbol): New function.
7979 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7980 (block_symbol, object_block): New structures.
7981 (rtx_def): Add a block_symbol field to the union.
7982 (BLOCK_SYMBOL_CHECK): New macro.
7983 (rtl_check_failed_block_symbol): Declare.
7984 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7985 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7986 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7987 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7988 * output.h (output_section_symbols): Declare.
7989 (object_block): Name structure.
7990 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7991 (default_use_anchors_for_symbol_p): Declare.
7992 * Makefile.in (RTL_BASE_H): Add vec.h.
7993 (explow.o): Depend on output.h.
7994 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7995 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7996 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7997 (rs6000_use_blocks_for_constant_p): New function.
7999 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8001 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8003 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8006 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8009 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8011 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8015 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8018 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8019 instead of DECL_REGISTER.
8021 2006-02-18 Olivier Hainque <hainque@adacore.com>
8024 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8026 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8029 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8030 * opth-gen.awk: Handle Var and InverseMask together.
8031 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8032 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8033 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8034 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8036 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8037 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8038 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8039 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8040 LINUX_DYNAMIC_LINKER): Define.
8041 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8042 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8044 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8045 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8046 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8047 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8048 (TARGET_C99_FUNCTIONS): Don't define.
8049 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8050 GLIBC_DYNAMIC_LINKER.
8051 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8052 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8053 GLIBC_DYNAMIC_LINKER64): Define.
8054 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8055 LINUX_DYNAMIC_LINKER64.
8056 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8057 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8058 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8059 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8060 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8061 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8062 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8063 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8064 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8065 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8066 and LINUX_DYNAMIC_LINKER32.
8067 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8068 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8069 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8070 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8071 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8073 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8074 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8075 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8076 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8077 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8078 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8079 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8080 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8081 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8082 LINUX_DYNAMIC_LINKER): Define.
8083 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8084 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8085 GLIBC_DYNAMIC_LINKER64): Define.
8086 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8087 LINUX_DYNAMIC_LINKER64.
8088 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8089 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8090 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8091 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8092 LINUX_DYNAMIC_LINKER): Define.
8093 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8094 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8095 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8096 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8097 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8098 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8099 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8100 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8101 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8102 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8103 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8104 * doc/invoke.texi (-muclibc): Remove caveat about supported
8107 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8109 * doc/cpp.texi (__TIMESTAMP__): Document.
8111 2006-02-17 Roger Sayle <roger@eyesopen.com>
8114 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8115 C is one less than the width of X (and related transformations).
8116 * simplify-rtx.c (simplify_unary_operation_1): Transform
8117 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8118 depending on STORE_FLAG_VALUE, were C is one less then the
8121 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8123 Fix PR tree-optimization/26341
8124 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8125 about NAME_MEMORY_TAG's.
8127 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8130 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8131 with hardware float support, and software float support. Add fcpy
8132 alternative to hardware patterns. Add alternatives to copy between
8133 general and floating-point registers to the 32-bit pattern.
8134 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8135 secondary reload to load a QI or HI mode constant into a floating
8137 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8138 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8140 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8143 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8145 (load_macho_picbase_di): Likewise.
8147 2006-02-16 Jeff Law <law@redhat.com>
8149 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8150 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8151 (ssa_name_nonzero_p): Likewise.
8152 (get_value_range): Return NULL if VRP is not running.
8153 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8154 VRP routines do not discover a range.
8155 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8156 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8157 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8158 (tree_expr_nonnegative_p): Similarly.
8159 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8160 (restore_nonzero_vars_to_original_value): Remove.
8161 (unsafe_associative_fp_binop): Remove.
8162 (tree_ssa_dominator_optimize): Remove initialization and
8163 finalization of nonzero_vars and nonzero_vars_stack.
8164 (dom_opt_initialize_block): No longer push marker on
8166 (dom_opt_finalize_block): No longer call
8167 restore_nonzero_vars_to_original_value.
8168 (record_equivalences_from_phis): No longer look for
8169 nonzero PHI arguments.
8170 (cprop_into_successor_phis): No longer propagate nonzero
8171 property into PHI arguments. Lose unused argument. Caller
8173 (record_equivalences_from_stmt): No longer record nonzero
8174 values for SSA_NAMEs.
8175 (lookup_avail_expr): No longer use nonzero_vars.
8177 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8178 for sizetype when sizetype is unsigned.
8180 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8182 PR rtl-optimization/25603
8183 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8184 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8185 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8186 with new meaning of SETS.
8188 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8193 * config/linux.opt: New file.
8194 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8195 LINUX_DYNAMIC_LINKER): Define.
8196 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8197 * config.gcc (*-*-linux*): Define extra_options.
8198 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8199 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8200 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8201 GLIBC_DYNAMIC_LINKER.
8202 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8203 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8204 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8205 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8206 * doc/invoke.texi (GNU/Linux Options): New section.
8208 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8210 * config/sparc/sparc.md (setjmp): Rewrite.
8211 (setjmp_32): Delete.
8212 (setjmp_64): Likewise.
8214 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8216 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8219 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8221 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8224 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8226 PR rtl-optimization/26296
8227 * Makefile.in (loop-invariant.c): Add except.h dependency.
8228 * loop-invariant.c: Include except.h.
8229 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8231 2005-02-16 Paul Brook <paul@codesourcery.com>
8233 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8236 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8238 PR rtl-optimization/25636
8239 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8240 when deciding whether an insn is an initializing insn.
8242 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8244 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8245 (tree_code_size): Ditto.
8246 * tree.h (struct tree_memory_tag): Remove parent_var.
8247 (struct tree_struct_field_tag): New.
8250 (union tree_node): Add sft member.
8251 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8253 (create_sft): Add size and offset argument, set SFT_OFFSET and
8255 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8256 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8257 * tree-flow-inline.h (get_subvar_at): Update for
8258 SFT_OFFSET/SFT_SIZE.
8259 (var_can_have_subvars): Ditto.
8260 (overlap_subvar): Ditto.
8261 * print-tree.c (print_node): Print out interesting things for
8263 * tree-flow.h (struct subvar): Remove offset and size members.
8264 * tree-ssa-operands.c (get_expr_operands): Update for
8265 get_indirect_ref_operands changes.
8266 (get_indirect_ref_operands): Call add_virtual_operand instead of
8267 add_stmt_operand. Only recurse on base var if requested.
8268 (access_can_touch_variable): New function.
8269 (add_stmt_operand): Split virtual operand handling into ...
8270 (add_virtual_operand): Here. Add offset, size, and for_clobber
8271 arguments. Prune alias sets.
8272 (add_call_clobber_ops): Call add_virtual_operand.
8274 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8277 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8279 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8280 than TREE_CODE as index into omp_clause_num_ops array.
8282 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8284 PR rtl-optimization/26184
8285 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8287 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8288 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8289 must_precede, must_follow and tobe_scheduled.
8292 * opts.c (common_handle_option): Free new_option pointer.
8293 * df-core.c (df_analyze): Free postorder pointer.
8295 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8297 * Makefile.in: Fix the examples about the use of stamps
8299 2006-02-15 Michael Matz <matz@suse.de>
8303 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8304 influenced by maximum_field_alignment or DECL_PACKED.
8305 (update_alignment_for_field): Ditto.
8306 (place_field): Ditto.
8307 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8310 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8312 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8313 (debug_flow_info): Pass it.
8314 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8315 * bb-reorder.c (reorder_basic_blocks): Likewise.
8316 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8317 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8318 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8319 * gcse.c (gcse_main, bypass_jumps): Likewise.
8320 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8321 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8322 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8323 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8324 * rtl.h (dump_flow_info): Adjust prototype.
8325 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8326 * var-tracking.c (variable_tracking_main): Likewise.
8327 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8328 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8331 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8333 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8336 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8338 PR tree-optimization/26209
8339 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8340 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8342 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8344 2006-02-14 Roger Sayle <roger@eyesopen.com>
8347 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8348 (X,Y) and the corresponding symmetry related transformations.
8349 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8350 (X,Y) and its symmetry related transformations.
8352 2006-02-14 Roger Sayle <roger@eyesopen.com>
8354 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8357 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8359 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8361 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8364 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8365 support COMDAT group.
8366 * configure: Regenerate.
8368 2006-02-14 Roger Sayle <roger@eyesopen.com>
8373 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8375 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8377 Fix PR tree-optimization/26260
8379 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8381 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8382 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8383 * tree-ssa-structalias.c (create_variable_info_for): Use
8384 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8386 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8388 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8390 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8391 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8392 of the ending condition.
8393 * tree-ssa-loop-manip.c: Include params.h.
8394 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8395 tree_unroll_loop): New functions.
8396 * tree-pass.h (pass_loop_prefetch): Declare.
8397 * loop.c (rest_of_handle_loop_optimize): Test for
8398 -fprefetch-loop-arrays-rtl.
8399 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8400 * timevar.def (TV_TREE_PREFETCH): New timevar.
8401 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8402 pass_loop_prefetch): New.
8403 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8404 (cleanup_tree_cfg_loop): Call scev_reset.
8405 * common.opt (fprefetch-loop-arrays-rtl): Add.
8406 * tree-ssa-loop-prefetch.c: New file.
8407 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8408 (new_temp_expr_table): Initialize expr_vars.
8409 (free_temp_expr_table): Cleanup expr_vars.
8410 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8411 expressions from being merged into one.
8412 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8413 (struct tree_niter_desc): Add control, bound and cmp fields.
8414 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8416 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8417 (tree-cfgcleanup.o): Add SCEV_H dependency.
8418 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8419 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8421 2006-02-14 Richard Guenther <rguenther@suse.de>
8423 PR tree-optimization/26258
8424 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8425 in PHI argument processing.
8427 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8429 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8430 new expression in the requested machine mode.
8432 2006-02-13 Roger Sayle <roger@eyesopen.com>
8434 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8435 directly, instead let do_compare_rtx_and_jump handle this for us.
8436 * expr.c (expand_expr_real_1): Likewise.
8437 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8438 before do_jump_by_parts_greater.
8439 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8440 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8442 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8444 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8446 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8448 PR rtl-optimization/26235
8449 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8450 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8453 2006-02-13 Jeff Law <law@redhat.com>
8455 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8458 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8461 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8462 twice if decl is a builtin. When trying again, call get_callee_fndecl
8463 first to verify it is still a builtin.
8465 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8467 * dwarf2out.c (base_type_die): Don't add AT_name here.
8468 (subrange_type_die): Don't add AT_name here.
8469 (modified_type_die): Rearrange code flow. Do add AT_name here.
8471 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8473 PR rtl-optimization/26247
8474 PR rtl-optimization/26248
8475 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8477 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8479 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8480 * config/fixtfdi.c: Likewise.
8481 * config/fixunstfdi.c: Likewise.
8482 * config/floatditf.c: Likewise.
8484 2006-02-13 Roger Sayle <roger@eyesopen.com>
8487 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8488 into (X,C2) if C1 is a subset of the bits of C2. Transform
8489 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8491 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8493 2006-02-13 Josh Conner <jconner@apple.com>
8496 * varasm.c (function_section): Check for section name before
8497 calling select_section on targets that define
8498 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8499 unlikely_text_section instead of hot_function_section if
8500 first_function_block_is_cold.
8502 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8505 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8507 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8509 PR rtl-optimization/26222
8510 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8511 after tree->rtl expansion.
8512 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8513 before passing it to emit_move_insn.
8515 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8517 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8519 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8520 Clarify documentation.
8521 * c-common.h (warn_write_strings): Remove.
8522 * c-common.c (warn_write_strings): Likewise.
8523 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8526 2006-02-12 Roger Sayle <roger@eyesopen.com>
8529 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8530 (do_jump_parts_zero_rtx): New function renamed from
8531 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8532 (do_jump_parts_equality_rtx): New function split out from
8533 do_jump_parts_equality. Old implementation renamed as above.
8534 Call do_jump_parts_zero_rtx if either operand is zero.
8535 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8536 do all of the heavy lifting.
8537 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8538 calling either do_jump_by_parts_greater_rtx or
8539 do_jump_by_parts_equality_rtx.
8540 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8541 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8542 moved to do_compare_rtx_and_jump, call it directly.
8543 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8544 mode argument. Call do_compare_rtx_and_jump.
8545 (emit_case_nodes): Update calls to do_jump_if_equal.
8547 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8549 PR rtl-optimization/26225
8550 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8552 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8554 PR rtl-optimization/26232
8555 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8557 2006-02-11 Jason Merrill <jason@redhat.com>
8560 * tree-inline.c (declare_return_variable): Just don't use the
8561 modify target if it's a gimple complex reg and the return slot
8564 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8566 * doc/contrib.texi: Update my entry.
8568 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8570 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8572 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8574 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8577 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8579 * doc/invoke.texi (-floop-optimize2): Removed.
8580 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8581 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8582 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8583 * common.opt (floop-optimize2): Removed.
8584 (fmove-loop-invariants): Enabled by default.
8586 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8588 * tree-if-conv.c (combine_blocks): Free the result of
8589 get_loop_exit_edges.
8591 2006-02-10 Jeff Law <law@redhat.com>
8593 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8595 PR tree-optimization/26213
8596 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8597 loop trying to follow SSA_NAME_VALUE chains.
8599 2006-02-10 Richard Guenther <rguenther@suse.de>
8601 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8602 deal with structures that end in implicitly variable sized arrays.
8604 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8606 PR rtl-optimization/24762
8607 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8610 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8612 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8613 (struct ivopts_data): Add regs_used field.
8614 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8615 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8616 instead of loop_data->regs_used;
8617 (free_loop_data): Do not free aux fields for loops.
8618 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8619 and tree_ssa_iv_optimize_finalize.
8621 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8623 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8625 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8628 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8629 computing the effective result type.
8631 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8634 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8635 (tree_overlaps_hard_reg_set): Declare.
8636 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8637 type and signature to match function type expected by walk_tree.
8638 (tree_overlaps_hard_reg_set): New function.
8639 (decl_conflicts_with_clobbers_p): Rename to:
8640 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8641 Use tree_overlaps_hard_reg_set. Changed caller.
8642 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8643 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8644 * cris.c (cris_md_asm_clobbers): Likewise.
8646 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8648 * reload1.c (emit_input_reload_insns): Delete code that tries to
8649 inherit using find_equiv_reg.
8651 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8653 * c-common.h (flag_const_strings): Don't declare.
8654 * c-common.c (flag_const_strings): Remove.
8655 * c.opt (fconst_strings): Remove.
8656 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8657 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8658 (c_common_init_options): Don't set flag_const_strings.
8659 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8661 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8663 * arm.md (tlobits_cbranch): New pattern.
8664 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8665 testing a single bit.
8667 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8670 * tree-ssa-pre.c (create_component_ref_by_pieces):
8671 Handle RETURN_DECL like VAR_DECL.
8673 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8676 * fold-const.c (fold_indirect_ref_1): Fold
8677 "*(foo *)&complexfoo" to "__real__ complexfoo"
8678 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8680 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8682 * tree-flow-inline.h (var_can_have_subvars):
8683 Volatile variables should not have subvariables.
8685 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8688 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8689 multiplying unsigned values.
8692 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8694 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8696 2006-02-08 Jason Merrill <jason@redhat.com>
8699 * tree.def: Elaborate on difference from MODIFY_EXPR.
8700 * doc/c-tree.texi (INIT_EXPR): Likewise.
8701 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8702 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8703 (gimplify_target_expr): Likewise.
8704 (gimplify_cond_expr): Remove target handling.
8705 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8706 (gimplify_expr): Clobber it here.
8707 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8708 Do return slot optimization if we have an INIT_EXPR.
8711 * tree-inline.c (declare_return_variable): Also clear
8712 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8715 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8718 * gimplify.c (gimplify_one_sizepos): Fix typo.
8720 2006-02-08 Jeff Law <law@redhat.com>
8722 PR tree-optimization/21417
8723 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8724 across a backedge if the control statement at the end of the
8725 block is data dependent on other statements in the same block.
8726 (record_temporary_equivalences_from_stmts): Remove over-conservative
8727 test for threading across backedges.
8729 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8730 control statement, handle all three special cases in the same
8731 manner as they all have the same desired solution. No longer
8732 special case edge flag updating when the post dominator is
8735 2006-02-08 Roger Sayle <roger@eyesopen.com>
8737 * tree.def (CHAR_TYPE): Remove.
8738 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8739 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8740 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8741 (gen_string_type_die): Delete unreachable function.
8743 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8744 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8745 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8746 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8747 * builtins.c (type_to_class): Likewise.
8748 * fold-const.c (fold_convert, build_range_check,
8749 merge_ranges): Likewise.
8750 * expr.c (count_type_elements): Likewise.
8751 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8752 * stor-layout.c (layout_type): Likewise.
8753 * ipa-type-escape.c (type_to_consider): Likewise.
8754 * gimplify.c (omp_firstprivatize_type_sizes,
8755 gimplify_type_sizes): Likewise.
8756 * explow.c (promote_mode): Likewise.
8757 * tree-sra.c (is_sra_scalar_type): Likewise.
8758 * varasm.c (output_constant): Likewise.
8759 * tree-inline.c (remap_type_1): Likewise.
8760 * convert.c (convert_to_pointer, convert_to_real,
8761 convert_to_integer, convert_to_complex): Likewise.
8763 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8765 * df-scan.c (df_def_record_1): A set destination may
8766 be a parallel regardless of mode.
8768 2006-02-08 Roger Sayle <roger@eyesopen.com>
8771 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8772 * config/mips/_tilib.c: Remove.
8773 * config/fixtfdi.c: New libgcc source file.
8774 * config/fixunstfdi.c: New source file.
8775 * config/floatditf.c: New source file.
8776 * config/floatunditf.c: New souce file.
8777 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8778 files above instead of config/mips/_tilib.c.
8779 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8781 2006-02-08 Jeff Law <law@redhat.com>
8783 PR tree-optimization/26169
8784 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8787 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8789 * df.h (DF_REG_SIZE): Return the length of the initialized
8792 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8794 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8795 __muldf3): Return a correctly signed zero.
8797 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8799 * passes.c (register_one_dump_file): Accept the current properties
8800 instead of pass number. Adjust call to dump_register. Remove
8802 (register_dump_files): Now a wrapper around...
8803 (register_dump_files_1): ... this one. Do not modify the pass
8805 (next_pass_1): Cosmetic fix.
8806 (execute_todo): Keep second parameter only. Use curr_properties
8807 instead of fetching it from the pass structure. Check and set
8809 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8810 instead of fetching it from the pass structure. Fix calls to
8811 execute_todo. Update curr_properties and initialize .vcg RTL dump
8812 after running the pass. Reset last_verified.
8813 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8815 (FIRST_AUTO_NUMBERED_DUMP): New.
8816 (dump_register): Remove "num" parameter, assign it within the
8818 (get_dump_file_name): Modify template for dumps.
8819 * tree-dump.h (dump_register): Adjust prototype.
8820 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8821 (PROP_trees): Add PROP_gimple_lomp.
8822 (TODO_set_props): New.
8823 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8824 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8825 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8827 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8829 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8830 (sparc64-*-linux*): Likewise.
8831 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8832 * config/sparc/t-linux: New file.
8833 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8834 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8835 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8836 -m32 -mlong-double-128.
8838 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8839 * config/alpha/t-linux: New file.
8840 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8842 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8843 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8844 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8845 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8846 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8847 (CPP_ARCH32_SPEC): Remove.
8849 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8851 PR tree-optimization/26145
8852 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8855 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8858 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8859 >= 240000 when generating code for SOM runtime.
8860 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8861 to $$dyncall when generating code for SOM runtime..
8863 2006-02-07 Dirk Mueller <dmueller@suse.com>
8866 * doc/invoke.texi (-Wsequence-point): Update documentation
8867 that -Wsequence-point is implemented for C++ as well.
8869 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8871 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8872 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8873 (LIB_SPEC): Likewise.
8874 * doc/invoke.texi (SPARC options): Document -pthread.
8876 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8878 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8881 2006-02-07 Roger Sayle <roger@eyesopen.com>
8883 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8884 Correct comment describing BOOLEAN_TYPE.
8886 2006-02-07 Dirk Mueller <dmueller@suse.com>
8888 * c.opt: C++ frontend supports -Wdiv-by-zero.
8889 * c-opts.c (c_common_handle_option): Remove dead case.
8891 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8893 * configure.ac (TLS assembler check): Do not enable TLS by
8894 default on SPARC/Solaris before version 10.
8895 * configure: Regenerate.
8897 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8899 * doc/invoke.texi (xl-compat): Document conversion and support
8902 2006-02-07 Jeff Law <law@redhat.com>
8904 * tree-vrp.c (find_conditional_asserts): Update comments.
8905 (simplify_stmt_for_jump_threading): New.
8906 (identify_jump_threads, finalize_jump_threads): New.
8907 (vrp_finalize): Call identify_jump_threads.
8908 (execute_vrp): Call finalize_jump_threads.
8909 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8910 (vrp_element, vrp_data, vrp_element_p): Remove.
8911 (vrp_hash_elt, vrp_variables_stack): Remove.
8912 (vrp_hash, vrp_eq, record_range): Remove.
8913 (simplify_cond_and_lookup_avail_expr): Remove.
8914 (extract_range_from_cond): Remove.
8915 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8916 (simplify_stmt_for_jump_threading): New.
8917 (dom_thread_across_edge): New wrapper.
8918 (tree_ssa_dominator_optimize): No longer initialize or
8919 finalize any of the VRP datastructures. Remove iteration
8920 step and simplify as a result of removal of iteration step.
8921 (pass_dominator): Perform a cfg cleanup after DOM.
8922 (dom_opt_finalize_block): Use the new common routines
8923 for threading jumps. Simplify stack management slightly.
8924 No longer need to unwind VRP state.
8925 (record_equivalences_from_incoming_edge): No longer record
8927 (eliminate_redundant_computations): No longer call
8928 simplify_cond_and_lookup_avail_expr.
8929 * tree-flow.h (potentially_threadable_block): Prototype.
8930 (thread_across_edge): Likewise.
8931 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8932 (tree-ssa-threadedge.o): Add dependencies.
8933 * tree-ssa-threadedge.c: New file.
8934 * passes.c (init_optimization_passes): Merge PHIs before
8935 calling VRP. Run VRP again late in the SSA optimization pipeline.
8937 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8939 * df-core.c (df_set_blocks): Do not dereference function pointers.
8940 (df_finish1): Likewise.
8941 (df_hybrid_search_forward): Likewise.
8942 (df_hybrid_search_backward): Likewise.
8943 (df_iterative_dataflow): Likewise.
8944 (df_analyze_problem): Likewise.
8945 (df_compact_blocks): Likewise.
8946 (df_dump): Likewise.
8947 * df-scan.c (df_rescan_blocks): Likewise.
8948 (df_record_entry_block_defs): Likewise.
8950 * genconditions.c (write_conditions): Guard the definition of
8951 'insn_conditions' with the check on GCC version.
8952 (write_writer): Guard the traversal 'insn_conditions' with
8953 the check on GCC version.
8955 2006-02-07 Richard Guenther <rguenther@suse.de>
8959 2006-01-30 Richard Guenther <rguenther@suse.de>
8961 * gimplify.c (gimplify_target_expr): Handle easy cases
8962 without creating a temporary.
8964 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8966 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8967 use of float in probability computations. Use edge probabilities
8968 in place of statically computed probabilities.
8969 (min_spec_prob): New static variable.
8970 (schedule_insns): Initialize it.
8971 (GET_SRC_PROB): Removed.
8972 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8974 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8977 * config/ia64/unwind-ia64.c: Revert last change.
8978 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8979 (INCOMING_FRAME_SP_OFFSET): Define.
8981 2006-02-06 Roger Sayle <roger@eyesopen.com>
8983 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8985 2006-02-07 Ben Elliston <bje@au.ibm.com>
8987 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8988 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8989 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8990 (ix86_return_in_memory): Handle TDmode.
8991 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8992 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8994 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8996 * reorg.c (dbr_schedule): Use dump_file instead of file.
8998 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9001 * config/ia64/predicates.md (extr_len_operand): New predicate.
9002 * config/ia64/ia64.md (extv): Tighten constraints.
9004 (*tbit_and_2): Ditto.
9005 (*tbit_and_3): Ditto.
9006 (*tbit_or_2): Ditto.
9007 (*tbit_or_3): Ditto.
9011 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9014 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9016 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9018 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9019 loop_optimizer_init and loop_optimizer_finalize
9020 * tree-ssa-sink.c (execute_sink_code): Ditto.
9021 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9022 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9023 tree_ssa_loop_done): Ditto.
9024 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9025 * sched-ebb.c: Include output.h.
9026 (schedule_ebbs): Do not use dump argument.
9027 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9028 * loop.c (loop_dump_stream): Removed.
9029 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9031 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9032 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9033 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9034 loop_iterations, strength_reduce, record_biv, record_giv,
9035 final_giv_value, check_final_value, check_ext_dependent_givs,
9036 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9037 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9038 dump_file instead of loop_dump_stream.
9039 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9041 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9043 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9044 * haifa-sched.c: Include output.h
9045 (schedule_insns, sched_init): Do not use dump argument.
9046 * mode-switching.c (optimize_mode_switching): Ditto.
9047 * modulo-sched.c (stats_file): Removed.
9048 (print_node_sched_params): Do not call argument dump_file.
9049 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9050 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9052 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9054 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9055 rtl_loop_init, rtl_loop_done): Ditto.
9056 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9057 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9059 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9060 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9061 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9062 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9063 * emit-rtl.c (renumber_insns): Ditto.
9064 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9065 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9066 * regclass.c (regclass): Ditto.
9067 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9068 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9069 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9070 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9072 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9073 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9075 * gcse.c (gcse_file, debug_stderr): Removed.
9076 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9077 rest_of_handle_gcse): Do not use dump argument.
9078 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9079 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9080 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9081 compute_code_hoist_vbeinout, compute_code_hoist_data,
9082 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9083 compute_store_table, build_store_vectors, insert_insn_start_bb,
9084 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9085 store_motion): Use dump_file instead of gcse_file.
9086 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9087 * profile.c (profile_dump_file): Removed.
9088 (branch_prob): Use dump_file instead of profile_dump_file.
9089 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9091 * tree-ssa-copy.c (dump_copy_of): Ditto.
9092 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9093 dump file to life_analysis.
9094 * bt-load.c (branch_target_load_optimize): Ditto.
9095 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9097 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9098 regclass, dbr_schedule): Declaration changed.
9099 * sched-int.h (sched_init): Declaration changed.
9100 * tree-profile.c (tree_profile_dump_file): Removed.
9101 (tree_profile_hooks): Removed profile_dump_file hook.
9102 * rtl-profile (rtl_profile_dump_file): Removed.
9103 (rtl_profile_hooks): emoved profile_dump_file hook.
9104 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9106 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9107 * tree-cfg.c (build_tree_cfg): Ditto.
9108 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9109 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9110 Declaration changed.
9111 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9112 life_analysis and schedule_insns.
9113 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9115 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9117 * config/mips/mips.c (mips_reorg): Ditto.
9118 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9121 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9123 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9124 (s390_mangle_fundamental_type): New.
9125 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9128 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9129 (alpha_mangle_fundamental_type): New.
9130 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9133 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9135 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9137 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9138 (sparc_mangle_fundamental_type): New.
9140 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9142 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9143 (s390x-*-linux*): Likewise.
9144 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9145 * config/s390/t-linux: New file.
9147 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9149 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9150 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9152 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9154 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9155 (ANTIC_SAFE_LOADS): New macro.
9156 (find_or_generate_expression): Add prototype.
9157 (set_contains_value): Allow null set for sake of not always having
9158 to allocate ANTIC_SAFE_LOADS.
9159 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9160 Allow COMPONENT_REF too.
9161 (valid_in_set): Allow COMPONENT_REF.
9162 Check ANTIC_SAFE_LOADS too.
9163 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9164 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9166 (can_PRE_operation): Add COMPONENT_REF.
9167 (create_component_ref_by_pieces): New function.
9168 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9169 (insert_aux): Move AGGREGATE_TYPE_P check here.
9170 (compute_avail): Set bb local stmt uids.
9171 (pass_pre): Use TODO_update_ssa_only_virtuals.
9173 2006-02-06 Ben Elliston <bje@au.ibm.com>
9175 * configure.ac: Unconditionally disable decimal float by default.
9176 * configure: Regenerate.
9178 2006-02-06 Ben Elliston <bje@au.ibm.com>
9180 * read-rtl.c (read_name): Terminate reading on EOF.
9182 2006-02-06 Ben Elliston <bje@au.ibm.com>
9184 * dfp.c (decimal_real_arithmetic): Change second argument type
9185 from int to enum tree_code. Do not always return true, but now
9186 return result of any call to decimal_do helper functions.
9187 * dfp.h (decimal_real_arithmetic): Update prototype.
9189 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9191 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9193 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9196 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9199 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9201 * tree-vrp.c (cfg_loops): Removed.
9202 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9203 Use current_loops instead of cfg_loops. Pass flags to
9204 loop_optimizer_init.
9205 * cfgloopmanip.c (fix_loop_structure): Update only available
9207 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9208 loop_optimizer_init.
9209 * modulo-sched.c (build_loops_structure): Removed.
9210 (sms_schedule): Use loop_optimizer_init.
9211 * loop-init.c (loop_optimizer_init): Use flags to determine
9212 which properties of loops to prepare.
9213 (rtl_loop_init): Pass flags to loop_optimizer_init.
9214 * tree-ssa-sink.c (execute_sink_code): Ditto.
9215 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9216 * tree-ssa-pre.c (init_pre): Ditto.
9217 * cfgloop.h (LOOPS_NORMAL): New.
9218 (loop_optimizer_init): Declaration changed.
9220 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9222 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9223 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9225 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9227 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9229 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9230 * pa/t-pa64: Delete quadlib.c rule.
9231 * pa/x-ada: Revert last change.
9232 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9234 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9236 PR rtl-optimization/26087
9237 * rtlanal.c (canonicalize_condition): Do not cross basic block
9240 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9243 * config/ia64/ia64.c: Include debug.h.
9244 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9245 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9246 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9247 (process_epilogue, process_set, process_for_unwind_directive):
9248 Output unwind info only if requested. Add CFA info if requested.
9249 Add new arguments as needed. Adjust callers.
9250 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9252 (DWARF2_FRAME_INFO): Define to zero.
9253 * config/ia64/unwind-ia64.c: Remove code that compensated for
9254 the CFA offset error fixed above.
9255 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9256 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9257 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9258 -funwind-tables and -fexceptions to enable frame info.
9259 (dwarf2out_frame_init): Define initial CFA even if
9260 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9261 DWARF2_UNWIND_INFO is nonzero, not just defined.
9262 (dwarf2out_frame_finish): Output non-EH call frame info only
9263 if DWARF2_FRAME_INFO is nonzero.
9264 (convert_cfa_to_loc_list,
9265 compute_frame_pointer_to_cfa_displacement): Define even if
9266 unwind info is not supported.
9267 (gen_subprogram_die): Use the above unconditionally. Remove
9268 legacy alternate code.
9269 * toplev.c (compile_file): Compile in call to
9270 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9271 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9273 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9274 Jakub Jelinek <jakub@redhat.com>
9276 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9277 IBM extended float format long double as "g" on powerpc*-linux.
9279 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9282 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9283 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9285 2006-02-03 Jason Merrill <jason@redhat.com>
9288 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9291 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9292 on the return slot if it's an NRV.
9294 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9296 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9297 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9298 rewrite_use): Do not handle USE_OUTER.
9299 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9300 add_iv_outer_candidates, may_replace_final_value,
9301 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9302 (find_interesting_uses_op): Functionality of
9303 find_interesting_uses_outer_or_nonlin moved here.
9304 (find_interesting_uses_outside): Use find_interesting_uses_op.
9306 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9309 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9311 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9312 Ulrich Weigand <uweigand@de.ibm.com>
9315 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9316 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9317 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9318 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9320 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9321 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9322 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9323 Define secondary reloads for TFmode moves.
9324 (constant_modes): Add TFmode.
9325 (NR_C_MODES): Set to 8.
9326 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9328 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9329 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9330 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9331 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9332 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9333 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9334 (FPR mode macro): Add TFmode.
9335 (DSF mode macro): New.
9336 (<de>, <dee> mode attributes): Removed.
9337 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9338 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9339 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9340 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9341 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9342 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9343 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9344 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9345 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9346 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9347 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9348 "*negabs<mode>2", "sqrt<mode>2"):
9349 Changed <de> to <xde>. R constraint replaced by <Rf>.
9350 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9352 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9353 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9354 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9356 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9357 "extenddftf2", "extendsftf2"): New expanders.
9358 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9359 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9360 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9361 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9363 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9364 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9365 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9366 __floatditf): Add a GCC_4.1.0 symbol version tag.
9367 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9370 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9373 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9374 Use targetm.binds_local_p instead of TREE_PUBLIC.
9376 2006-02-02 Roger Sayle <roger@eyesopen.com>
9378 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9379 on INTEGER_TYPEs to indicate that it denotes a character type.
9380 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9381 signed_char_type_node, unsigned_char_type_node and char_type_node.
9382 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9383 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9384 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9386 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9387 Daniel Berlin <dberlin@dberlin.org>
9389 * tree-tailcall.c (arg_needs_copy_p): New function.
9390 (eliminate_tail_call): Use arg_needs_copy_p.
9391 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9392 (add_virtual_phis): New function.
9394 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9396 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9397 #ignore instead of #scratch for %g7 .register directive.
9399 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9401 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9404 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9406 * flow.c (calculate_global_regs_live): Assert that there aren't any
9409 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9411 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9413 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9414 bsi_after_labels iterator.
9415 * tree-if-conv.c (find_phi_replacement_condition,
9416 replace_phi_with_cond_modify_expr): Likewise.
9417 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9418 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9420 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9422 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9424 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9427 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9428 array after growing it.
9430 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9433 * fold-const.c (fold_checksum_tree): Change type of buf.
9435 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9437 * reload.c (push_secondary_reload): Initialize t_icode.
9439 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9441 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9442 -msoft-float -mlong-double-128 only issue a warning, but don't
9443 swich to DFmode long double.
9445 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9447 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9448 has a constant equivalent, iterate over equivalents for arg0,
9449 calling simplify_relational_operation and if there's a result
9450 cheaper than X, apply fold_rtx and return the result.
9452 2006-02-01 Jan Hubicka <jh@suse.cz>
9454 * opts.c (no_unit_at_a_time_default): New global variable.
9455 (decode_options): Use it.
9456 * opts.h (no_unit_at_a_time_default): Declare.
9458 2006-02-01 Paul Brook <paul@codesourcery.com>
9460 * function.c (assign_parm_setup_reg): Use function argument promotion
9462 * expr.c (expand_expr_real_1): Use function argument promotion rules
9465 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9467 * gcc.c (process_command): Change j to 'unsigned int'.
9469 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9472 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9473 Use the corrected index for the character
9474 out of the string constant.
9476 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9478 * mode-switching.c (optimize_mode_switching): Fix size
9479 allocated for bb_info[n_entities].
9481 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9483 * gcc.c (main): Correct type that is allocated for
9484 explicit_link_files.
9486 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9488 * config/s390/s390.c (init_alignment_context): Set
9489 ALIAS_SET_MEMORY_BARRIER on the MEM.
9490 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9492 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9495 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9497 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9500 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9502 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9503 * regrename.c: Ditto.
9504 * tree-ssa-loop-im.c: Ditto.
9505 * tree-dump.c: Ditto.
9506 * tree-complex.c: Ditto.
9507 * genrecog.c: Ditto.
9508 * tree-ssa-threadupdate.c: Ditto.
9510 * java/class.c: Ditto.
9511 * java/jcf-parse.c: Ditto.
9512 * java/resource.c: Ditto.
9513 * java/except.c: Ditto.
9514 * java/jvspec.c: Ditto.
9515 * java/jcf-write.c: Ditto.
9516 * java/jcf-path.c: Ditto.
9517 * java/gjavah.c: Ditto.
9518 * java/zextract.c: Ditto.
9519 * java/jcf-io.c: Ditto.
9520 * java/jcf.h: Ditto.
9521 * java/buffer.c: Ditto.
9522 * java/lang.c: Ditto.
9523 * java/parse-scan.y: Ditto.
9524 * java/lex.c: Ditto.
9525 * java/lex.h: Ditto.
9526 * cfgloopmanip.c: Ditto.
9527 * postreload-gcse.c: Ditto.
9528 * tree-ssa-loop-manip.c: Ditto.
9529 * postreload.c: Ditto.
9530 * tree-ssa-loop-ch.c: Ditto.
9534 * diagnostic.c: Ditto.
9536 * genoutput.c: Ditto.
9538 * cfghooks.c: Ditto.
9539 * cfgloopanal.c: Ditto.
9540 * objc/objc-act.c: Ditto.
9542 * genextract.c: Ditto.
9543 * genautomata.c: Ditto.
9544 * pretty-print.c: Ditto.
9546 * cgraphunit.c: Ditto.
9549 * haifa-sched.c: Ditto.
9550 * dominance.c: Ditto.
9552 * tree-ssa-loop-ivopts.c: Ditto.
9554 * mode-switching.c: Ditto.
9555 * modulo-sched.c: Ditto.
9557 * ipa-pure-const.c: Ditto.
9559 * fix-header.c: Ditto.
9561 * tree-stdarg.c: Ditto.
9562 * ipa-utils.c: Ditto.
9563 * loop-init.c: Ditto.
9564 * ipa-inline.c: Ditto.
9567 * alloc-pool.c: Ditto.
9568 * dwarf2out.c: Ditto.
9570 * genattrtab.c: Ditto.
9571 * tree-ssa-loop-ivcanon.c: Ditto.
9575 * fortran/gfortranspec.c: Ditto.
9577 * local-alloc.c: Ditto.
9578 * langhooks.c: Ditto.
9579 * function.c: Ditto.
9580 * tree-vectorizer.c: Ditto.
9582 * ipa-type-escape.c: Ditto.
9584 * tree-if-conv.c: Ditto.
9587 * tree-data-ref.c: Ditto.
9588 * loop-unroll.c: Ditto.
9589 * treelang/treetree.c: Ditto.
9592 * ggc-common.c: Ditto.
9594 * coverage.c: Ditto.
9596 * tree-cfgcleanup.c: Ditto.
9597 * tree-ssa-pre.c: Ditto.
9598 * cfgcleanup.c: Ditto.
9599 * loop-invariant.c: Ditto.
9601 * ipa-prop.c: Ditto.
9602 * print-tree.c: Ditto.
9603 * conflict.c: Ditto.
9604 * ggc-page.c: Ditto.
9605 * sched-deps.c: Ditto.
9606 * regclass.c: Ditto.
9607 * tree-object-size.c: Ditto.
9609 * bb-reorder.c: Ditto.
9610 * resource.c: Ditto.
9611 * var-tracking.c: Ditto.
9613 * df-problems.c: Ditto.
9614 * reg-stack.c: Ditto.
9617 * sched-rgn.c: Ditto.
9618 * tree-ssa-structalias.c: Ditto.
9619 * tree-ssa-reassoc.c: Ditto.
9620 * config/darwin-c.c: Ditto.
9621 * config/darwin.c: Ditto.
9622 * config/arm/arm.c: Ditto.
9624 * collect2.c: Ditto.
9627 2006-01-31 Nicolas Pitre <nico@cam.org>
9629 * arm.md (smaxsi3): Make aware of smax_m1.
9632 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9634 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9636 2006-01-31 Richard Guenther <rguenther@suse.de>
9638 * doc/invoke.texi (-msselibm): Document.
9639 * target.h (expand_library_builtin): New target hook.
9640 * builtins.c (expand_builtin): Use expand_library_builtin.
9641 (default_expand_library_builtin): New function.
9642 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9643 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9644 (link_gcc_math_spec): Declare.
9645 (static_specs): Add link_gcc_math_spec.
9646 * expr.h (default_expand_library_builtin): Declare.
9647 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9648 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9649 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9650 * config/i386/i386.opt (msselibm): New target option.
9651 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9652 (ix86_init_sse_abi_builtins): New function.
9653 (ix86_expand_library_builtin): Likewise.
9654 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9655 (override_options): Handle error conditions wrt -msselibm.
9656 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9657 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9658 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9661 2006-01-31 Richard Guenther <rguenther@suse.de>
9662 Paolo Bonzini <bonzini@gnu.org>
9664 * doc/install.texi (--disable-libgcc-math): Document.
9666 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9668 * expr.h (expand_normal): new inline function.
9669 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9671 * dwarf2out.c: use it.
9676 * config/sparc/sparc.c: use it.
9677 * config/i386/i386.c: use it.
9678 * config/rs6000/rs6000.c: use it.
9679 * config/arm/arm.c: use it.
9680 * config/mips/mips.c: use it.
9681 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9683 2006-01-30 Roger Sayle <roger@eyesopen.com>
9685 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9686 argv to the appropriate type.
9688 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9690 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9693 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9696 * config/s390/s390.c (struct machine_function): New flag
9697 decomposed_literal_pool_addresses_ok_p.
9698 (s390_reorg): Set it before final stage of literal pool transforms.
9699 (s390_decompose_address): Only accept displacements of the form
9700 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9702 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9704 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9705 the comparison routine return.
9707 2006-01-30 Michael Matz <matz@suse.de>
9709 * global.c (find_reg): Only evict for global regs.
9710 Take n_refs into account and dump more info.
9712 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9715 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9716 (pragma_trap, pragma_nosave_low_regs): Likewise.
9717 (current_function_anonymous_args): Likewise.
9718 (sh_deferred_function_attributes): New variable.
9719 (sh_deferred_function_attributes_tail): Likewise.
9720 (print_operand): For '@', look up trap_exit attribute.
9721 (calc_live_regs): Look up trapa_handler attribute. For trapa
9722 handlers, save/restore fpscr, but don't do any other
9723 interrupt-specific saves.
9724 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9725 Fix check for partially saved registers to check for SHmedia.
9726 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9727 (sh_output_function_epilogue): Don't clear any of the removed
9729 (sh_insert_attributes): Don't check pragma_interrupt.
9730 Insert deferred attributes. Check that interrupt attribute is
9731 present for other attributes that require its presence.
9732 (sh_attribute_table): Add new attributes trapa_handler and
9734 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9735 Don't check for pragma_interrupt. Don't store argument.
9736 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9737 (sh_deferred_function_attributes): Declare.
9738 (sh_deferred_function_attributes_tail): Likewise.
9739 * sh.md (sp_switch_1): Add operand. Change generator caller.
9740 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9741 (*return_i): Don't use when trap_exit attribute is in effect.
9742 (*return_trapa): New insn pattern.
9744 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9745 setting c_target_objs and cxx_target_objs.
9746 * t-sh: Add rule for sh-c.o.
9748 2006-01-30 Richard Guenther <rguenther@suse.de>
9751 * gimplify.c (gimplify_target_expr): Handle easy cases
9752 without creating a temporary.
9754 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9756 * vec.h (safe_grow): Remove duplicated line.
9758 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9761 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9762 (expand_omp): ... here.
9763 (expand_omp_parallel): Only remove barriers for combined
9764 parallel+workshare constructs.
9766 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9770 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9771 * tree.c (build_qualified_type): Chain the new type to the original
9772 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9773 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9774 (build_pointer_type_for_mode): Only return unqualified types.
9775 (build_reference_type_for_mode): Likewise.
9777 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9779 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9780 * Makefile.in (CXX_COMPAT_WARN): Define.
9781 * configure: Regenerate.
9783 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9786 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9789 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9791 * toplev.c: Fix thinko.
9793 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9794 Marcin Dalecki <martin@dalecki.de>
9796 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9797 (push_srcloc): Use XNEW.
9798 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9800 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9802 * df-core.c (df_set_blocks): Deleted all variable.
9804 2006-01-28 Ian Lance Taylor <ian@airs.com>
9806 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9807 cgraph_output_pending_asms.
9809 2006-01-28 Zack Weinberg <zackw@panix.com>
9811 * c.opt: Add -W(no-)overlength-strings.
9812 * doc/invoke.texi: Document it.
9813 * c-opts.c (c_common_handle_option): -pedantic implies
9814 -Woverlength-strings, if not explicitly disabled already.
9815 (c_common_post_options): -Woverlength-strings defaults to off, and
9816 is always off for C++.
9817 * c-common.c (fix_string_type): Issue warning about strings longer
9818 than is portable only if warn_overlength_strings. Rearrange code
9819 a little for clarity.
9820 * configure.in: Check for -Wno-overlength-strings as well before
9821 enabling -pedantic in stage 1.
9822 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9823 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9825 * genconditions.c (write_header, write_one_condition)
9826 (write_conditions, write_writer): Consolidate very long strings
9827 that were broken up to fit in C89 portable limit. Don't use
9828 printf when fputs will do.
9830 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9832 * combine.c (simplify_comparison <AND>): Check
9833 TRULY_NOOP_TRUNCATION before start using a subreg.
9835 * config/mips/mips.md (*branch_zero<mode>,
9836 *branch_zero<mode>_inverted, *branch_equality<mode>,
9837 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9838 Remove mode check from comparisons.
9840 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9842 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9844 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9846 * expmed.c (const_mult_add_overflow_p): Remove.
9847 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9849 * recog.c (validate_replace_rtx_subexp): Remove.
9850 * recog.h: Remove the prototype for
9851 validate_replace_rtx_subexp.
9853 * integrate.h: Remove the prototype for
9854 copy_decl_for_inlining.
9855 * rtl.h: Remove the prototype for mark_constant_function.
9856 * tree-vectorizer.h: Remove the prototype for
9857 vect_strip_conversion.
9859 * modulo-sched.c (create_partial_schedule,
9860 free_partial_schedule, reset_partial_schedule): Make them
9863 * hooks.c (hook_bool_rtx_int_false): Remove.
9864 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9866 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9868 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9869 and -mlong-double-128 are incompatible.
9870 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9871 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9872 (TARGET_LIBGCC2_CFLAGS): Define.
9873 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9874 (TARGET_LIBGCC2_CFLAGS): Same.
9875 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9877 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9880 * c-typeck.c (build_binary_op): Perform implicit casts of
9881 operands before shortening them.
9883 * cfgloopmanip.c (split_loop_bb): Remove.
9884 * cfgloop.h: Remove the prototype for split_loop_bb.
9886 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9887 * cfgloop.h: Remove the prototype for
9888 flow_loop_outside_edge_p.
9890 * emit-rtl.c (init_virtual_regs): Make it static.
9891 * function.h: Remove the prototype for init_virtual_regs.
9893 * recog.c (peephole2_optimize): Make it static.
9894 * recog.h: Remove the prototype for peephole2_optimize.
9896 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9898 * df-scan.c (df_record_entry_block_defs): Check if
9899 INCOMING_RETURN_ADDR_RTX is defined.
9901 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9902 Kenneth Zadeck <zadeck@naturalbridge.com>
9904 PR rtl-optimization/24762
9905 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9906 * targhooks.c (hook_void_bitmap): New hook prototype.
9907 * targhoohs.h (hook_void_bitmap): Ditto.
9908 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9909 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9910 * target.h (live_on_entry): New function pointer.
9911 * df-scan.c (df_all_hard_regs): Removed.
9912 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9913 (df_scan_free_internal): Added df->entry_block_defs.
9914 (df_scan_alloc): Ditto.
9915 (df_scan_dump): Ditto.
9916 (df_uses_record): Plumbed flag field properly thru calls.
9917 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9918 This part fixes PR24762.
9919 (df_bb_refs_record): Added code to make the frame and arg
9920 pointers live in EH blocks.
9921 (df_refs_record): Added call to df_record_entry_block_defs.
9922 (df_record_entry_block_defs): New function.
9923 * df-core.c: Added comments to describe new artifical defs.
9924 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9925 (entry_block_defs): New field in struct df.
9926 (df_all_hard_regs): Deleted.
9927 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9928 * df-problems.c (df_ru_bb_local_compute_process_def):
9929 Added code to handle artifical defs in the entry to a function.
9930 (df_ru_bb_local_compute): Ditto.
9931 (df_rd_bb_local_compute_process_def): Ditto.
9932 (df_rd_bb_local_compute): Ditto.
9933 (df_lr_bb_local_compute): Ditto.
9934 (df_ur_bb_local_compute): Ditto.
9935 (df_urec_bb_local_compute): Ditto.
9936 (df_chain_create_bb): Ditto.
9937 (df_ur_local_finalize): Removed entry.
9938 (df_urec_init): Ditto.
9939 (df_urec_local_finalize): Ditto.
9940 (df_ri_bb_compute): Added detection of last use of pseudos.
9941 * Makefile.in (df-scan.o): Updated dependencies.
9942 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9943 * config/mips/mips.c (mips_set_live_on_entry): Added.
9944 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9946 * dce.c (marked_insn_p): Added code to handle artifical defs.
9948 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9950 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9952 (_mm_cvtsi128_si64): Likewise.
9953 (_mm_cvtsd_si64): Likewise.
9954 (_mm_cvttsd_si64): Likewise.
9955 (_mm_cvtsi64_sd): Likewise.
9956 (_mm_cvtsi64_si128): Likewise.
9957 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9958 (_mm_cvtsi64_m64): Likewise.
9959 (_m_to_int64): Likewise.
9960 (_mm_cvtm64_si64): Likewise.
9961 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9962 (_mm_cvttss_si64): Likewise.
9963 (_mm_cvtsi64_ss): Likewise.
9964 (_mm_cvtss_f32): Likewise.
9966 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9968 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9969 for pragma redefine_extname.
9971 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9974 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9975 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9976 -mno-minimal-toc to previous content.
9977 (bispecs): Remove goal.
9978 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9979 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9980 compatibility aliases on powerpc-*-*gnu*.
9981 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9982 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9983 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9984 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9985 (ldblspecs): New goal.
9986 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9987 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9989 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9990 L_sf_to_tf or L_df_to_tf is defined.
9992 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9993 Alan Modra <amodra@bigpond.net.au>
9996 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9997 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9998 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9999 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10000 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10001 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10002 (rs6000_override_options): Initialize rs6000_ieeequad.
10003 Initialize TFmode format to ibm_extended_format if not
10005 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10007 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10008 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10009 (function_arg_advance): IBM long double passed in two FPRs, not
10011 (function_arg): IBM long double passed in FPRs.
10012 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10013 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10014 Only multireg GPR aligned.
10015 (rs6000_init_libfuncs): Enable IBM long double functions if not
10017 (rs6000_generate_compare): Use IBM long double compare if not
10019 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10020 (TARGET_IEEEQUAD): Define.
10021 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10022 not TARGET_IEEEQUAD.
10023 * config/rs6000/rs6000.md: Enable TFmode patterns if
10025 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10026 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10027 and -mlong-double-128 are incompatible.
10028 * doc/invoke.texi (-mabi): Collect options together. Add
10029 ibmlongdouble and ieeelongdouble.
10031 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10033 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10035 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10036 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10037 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10038 * rtl.h (rtunion_def): Remove rt_ptr.
10040 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10041 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10042 * config/i386/winnt.c (i386_pe_mark_dllexport)
10043 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10045 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10047 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10049 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10053 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10054 pthread_key_delete. From John David Anglin. gthrw-ify
10055 pthread_getunique_np only if it it's not a macro. Delete
10057 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10058 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10059 __gthread_objc_condition_signal, __gthread_key_delete): Add
10060 "__attribute__ ((__unused__))" to unused arguments.
10061 (__gthread_recursive_mutex_init_function): Add missing return.
10062 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10063 gthr-posix95.h: Use macro-based approach for name redirection
10064 on targets missing weakref.
10066 2006-01-26 Zack Weinberg <zackw@panix.com>
10068 * genconditions.c (write_header): In generated code, #ifdef out
10069 all includes and fake declarations, except includes of bconfig.h
10070 and system.h, unless GCC_VERSION >= 3001. Do not include
10071 gensupport.h in any case.
10072 (write_conditions): Generate a definition of struct c_test. Add
10073 a comment to the generated #endif.
10074 (write_one_condition): Escape backslashes in string too.
10075 (write_writer): Generated code must escape backslashes and quote
10076 marks (but not newlines) in the strings it writes.
10077 * Makefile.in (build/gencondmd.o): Update dependencies.
10079 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10082 * Makefile.in (insn-automata.o): Add header file dependencies.
10083 * genautomata.c: Add includes.
10085 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10088 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10090 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10092 * configure.ac: Expect target tools paths to be passed from the toplevel
10093 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10095 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10097 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10100 * c.opt (Wpointer-sign): Init to -1.
10101 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10102 OPT_pedantic, to 0 otherwise.
10103 * doc/invoke.texi: Update.
10105 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10107 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10108 constants provided by 80387 instructions in the destination mode.
10110 2006-01-26 Richard Guenther <rguenther@suse.de>
10111 Andrew Pinski <pinskia@physics.uc.edu>
10114 partial PR tree-opt/17064
10115 * tree-ssa-structalias.c (intra_create_variable_infos):
10116 Create heap variables for incoming parameters if
10117 flag_argument_noalias > 1.
10118 (find_what_p_points_to): Look through default defs of
10121 2006-01-26 Jeff Law <law@redhat.com>
10124 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10125 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10126 within the VR_RANGE, use the VR_RANGE as the result, not the
10128 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10129 bounds for the type.
10131 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10133 * tree-ssa-alias.c (maybe_create_global_var): Change
10134 subvar walking to an assertion that we don't have subvar'd variables.
10136 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10139 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10140 Use a new variable, inner. PARM_DECLs are always non-weak.
10142 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10144 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10145 --disable-checking.
10147 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10149 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10151 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10153 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10154 (smax_insn, smin_insn, smax_0, smin_0): New.
10156 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10159 * config/cris/cris.c (cris_order_for_addsi3): New function.
10160 * config/cris/cris-protos.h: Prototype it.
10161 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10162 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10163 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10164 (split for "op.S1 [rx=rx+i],ry (swapped)")
10165 (split for "op(s|u).S1 [rx=rx+i],ry")
10166 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10167 Apply cris_order_for_addsi3 when generating addsi3 insns.
10169 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10171 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10172 (TREE_BLOCK): Add call to EXPR_CHECK.
10174 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10177 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10178 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10179 (dump_omp_clauses): ... here.
10180 (dump_generic_node): Handle OMP_CLAUSE.
10181 * tree.c (omp_clause_num_ops): New.
10182 (omp_clause_code_name): New.
10183 (tree_code_size): Handle OMP_CLAUSE.
10184 (tree_size): Likewise.
10185 (make_node): Document handling of OMP_CLAUSE.
10186 (tree_node_structure): Handle OMP_CLAUSE.
10187 (omp_clause_check_failed): New.
10188 (omp_clause_range_check_failed): New.
10189 (omp_clause_operand_check_failed): New.
10190 (build_omp_clause): New.
10191 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10192 * tree.h (enum omp_clause_code): Declare.
10193 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10194 (OMP_CLAUSE_RANGE_CHECK): Define.
10195 (OMP_CLAUSE_ELT_CHECK): Define.
10196 (omp_clause_check_failed): Declare.
10197 (omp_clause_operand_check_failed): Declare.
10198 (omp_clause_range_check_failed): Declare.
10199 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10200 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10201 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10202 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10203 (OMP_CLAUSE_IF_EXPR): Likewise.
10204 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10205 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10206 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10207 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10208 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10209 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10210 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10211 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10212 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10213 (OMP_CLAUSE_CODE): Define.
10214 (OMP_CLAUSE_SET_CODE): Define.
10215 (OMP_CLAUSE_CODE): Define.
10216 (OMP_CLAUSE_OPERAND): Define.
10217 (struct tree_omp_clause): Declare.
10218 (union tree_node): Add field 'omp_clause'.
10219 * treestruct.def (TS_OMP_CLAUSE): Define.
10220 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10221 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10222 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10223 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10224 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10225 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10226 (OMP_CLAUSE): Define.
10227 * print-tree.c (print_node): Handle OMP_CLAUSE.
10228 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10229 * c-typeck.c: Likewise.
10230 * gimplify.c: Likewise.
10231 * c-omp.c: Likewise.
10232 * tree-nested.c: Likewise.
10233 * tree-inline.c: Likewise.
10234 * c-parser.c: Likewise.
10235 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10238 2006-01-25 Roger Sayle <roger@eyesopen.com>
10240 PR rtl-optimization/25703
10241 * combine.c (try_combine): Handle zero_extract and strict_low_part
10242 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10244 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10246 * global.c: Fix comment typos.
10248 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10251 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10252 Use output_addr_const instead of assemble_name.
10254 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10256 * Makefile.in (sched-vis.o): Update dependencies.
10257 * haifa-sched.c (sched_finish): Clear current_sched_info.
10258 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10259 (dump_flow_info): Call it.
10260 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10262 * basic-block.h (dump_bb_info): Declare.
10263 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10264 option, and apply options only for dump files whose TDF_RTL,
10265 TDF_TREE, or TDF_IPA bits match.
10266 * rtl.h: Declare new functions exported from sched-vis.c.
10267 * sched-vis.c: Enable also if scheduling is not used.
10268 (print_value): Print the mode of registers if not inside scheduling.
10269 (print_insn): Make it work outside the scheduler. Beautify the output
10271 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10273 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10275 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10276 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10277 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10278 depending on the value of CONSTANT_POOL_ADDRESS_P.
10279 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10281 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10282 rather than SYMBOL_REF_DECL.
10283 (rtx_constant_pool): Remove const_rtx_sym_htab.
10284 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10285 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10286 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10287 Remove handling of const_rtx_sym_htab.
10288 (find_pool_constant): Delete.
10289 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10290 rather than find_pool_constant.
10291 (get_pool_constant_for_function): Delete.
10292 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10293 find_pool_constant.
10294 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10295 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10296 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10297 (SYMBOL_REF_CONSTANT): New macro.
10298 (get_pool_constant_for_function): Delete.
10299 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10300 rather than SYMBOL_REF_DECL.
10301 (i386_pe_mark_dllimport): Likewise.
10302 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10303 rather than SYMBOL_REF_DECL.
10304 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10305 (machopic_indirect_call_target): Likewise.
10307 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10309 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10311 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10313 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10315 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10317 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10319 2006-01-24 David Daney <ddaney@avtrex.com>
10322 * configure.ac (enable_tls): New enable option.
10323 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10324 * configure: Regenerate.
10325 * doc/install.texi (--enable-tls): Document new option.
10326 (--disable-tls): Ditto.
10328 2006-01-24 Richard Henderson <rth@redehat.com>
10330 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10331 * alias.c (true_dependence): Respect it.
10332 (canon_true_dependence, write_dependence_p): Likewise.
10333 * builtins.c (get_builtin_sync_mem): Set it.
10335 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10337 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10340 2006-01-24 DJ Delorie <dj@redhat.com>
10342 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10343 for storing constants in single-bit bitfields.
10345 2006-01-25 Ben Elliston <bje@au.ibm.com>
10347 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10349 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10352 * tree-ssa-pre.c (phi_translate): Return NULL
10353 for AGGREGATE_TYPE's.
10355 2006-01-24 Zack Weinberg <zackw@panix.com>
10357 * genautomata.c (process_state_for_insn_equiv_partition):
10358 Use xcalloc for insn_arcs_array.
10359 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10360 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10362 2006-01-24 Richard Henderson <rth@redhat.com>
10364 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10365 update all callers.
10367 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10369 PR rtl-optimization/25890
10370 PR rtl-optimization/25905
10371 * combine.c (expand_compound_operation, expand_field_assignment):
10372 Fail if the bitfield's final position is out of bounds.
10374 2006-01-24 Ian Lance Taylor <ian@airs.com>
10376 PR middle-end/25930
10377 * cgraphunit.c (cgraph_output_in_order): Don't clear
10378 cgraph_asm_nodes until after asm strings have been output.
10380 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10382 * fix-header.c (read_scan_file): Add new parameter imultilib when
10383 calling register_include_chains.
10385 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10387 * omp-low.c: Update documentation.
10389 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10390 Daniel Berlin <dberlin@dberlin.org>
10394 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10395 return from the function.
10397 2006-01-22 Zack Weinberg <zackw@panix.com>
10399 * rtl.def (match_code): Add second argument.
10400 * genpreds.c (write_extract_subexp): New function.
10401 (write_match_code): Add path argument. Use write_extract_subexp.
10402 (write_predicate_expr): Pass path to write_match_code.
10403 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10404 not perform a mode test.
10405 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10406 a subexpression does not constrain the top-level code set.
10407 * read-rtl.c (read_rtx_variadic): New function.
10408 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10409 * doc/md.texi: Document new notation.
10410 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10411 (cmpsi_operand): ... here, using new notation.
10413 2006-01-22 Zack Weinberg <zackw@panix.com>
10415 * varray.c: Remove GENERATOR_FILE #ifdefs.
10417 2006-01-22 Zack Weinberg <zackw@panix.com>
10419 * genautomata.c (output_reserved_units_table): Emit nothing if
10420 description->query_units_num is zero. Remove extra blank line.
10421 (output_cpu_unit_reservation_p): Short circuit
10422 if description->query_units_num is zero.
10424 2006-01-22 Zack Weinberg <zackw@panix.com>
10426 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10427 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10428 nor any of the random handful of variables that used to be necessary
10429 when this program was linked with rtlanal.o. Prune set of forward
10430 function declarations.
10431 (struct attr_desc): Remove static_p field.
10432 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10433 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10434 (attr_string): Do not read the character one past the length of
10436 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10437 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10438 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10439 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10440 (make_automaton_attrs): New.
10441 (main): Do not call into genautomata. Call local gen_bypass
10442 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10443 Remove special case for insn_alts.
10444 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10445 varray.h (leftover from previous change). Prune set of forward
10446 function declarations. Remove state_alts fields from all
10447 structures. Remove state_alts_table from struct automaton.
10448 Make everything except main static. Do not maintain num_dfa_decls.
10449 Do not maintain state_alts fields of various structures.
10450 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10451 (add_arc): Remove state_alts argument. All callers updated.
10452 (output_reserved_units_table): Emit #ifdef here...
10453 (output_tables): ...not here. Don't generate state_alts tables.
10454 (expand_automata): Don't generate attributes.
10455 (write_automata): Don't generate state_alts functions.
10456 (main): New function.
10457 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10458 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10459 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10460 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10461 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10462 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10463 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10464 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10466 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10467 * genattrtab.h: Delete file.
10468 * Makefile.in (OBJS-common): Add insn-automata.o.
10469 (insn-automata.o): New rule.
10470 (simple_generated_c): Add insn-automata.c.
10471 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10472 (genprogmd): Add automata.
10473 (build/genattrtab): Needs no extra objects nor libraries.
10474 (build/genautomata): Needs build/vec.o and -lm.
10476 2006-01-22 Zack Weinberg <zackw@panix.com>
10478 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10479 (output_dfa_max_issue_rate, locked_states_num): Delete.
10480 (struct automaton): Add locked_states field.
10481 (output_dead_lock_vect): Save number of locked states in
10482 automaton->locked_states. If it is zero, don't print anything.
10483 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10484 (output_internal_dead_lock_func): Only test the dead_lock_vect
10485 for automata that have locked states.
10486 (output_statistics): Always print the number of locked states for
10487 each automaton. Calculate total number of locked states here.
10488 (write_automata): Don't call output_dfa_max_issue_rate.
10489 * genattrtab.c: Define length_unit_log as a const variable.
10490 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10491 max_insn_queue_index const.
10492 * final.c (length_unit_log): Declare const.
10493 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10495 2006-01-22 Zack Weinberg <zackw@panix.com>
10497 * genautomata.c: Include vec.h, not varray.h.
10498 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10499 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10500 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10501 VEC_* macros operating on appropriately typed vectors, or to
10502 malloced arrays when the size is known in advance. Const-ify
10503 many char* variables and function arguments. No functional changes.
10504 * Makefile.in (build/varray.o): Delete rule.
10505 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10506 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10508 2006-01-22 Zack Weinberg <zackw@panix.com>
10510 * gensupport.c: Define get_insn_name and record_insn_name here.
10511 (read_md_rtx): Call record_insn_name as appropriate.
10512 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10513 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10514 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10516 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10517 (BUILD_VARRAY): Delete.
10518 (genprognormal): Rename genprogmd. Fold in all programs from
10519 genprognoprint; also attrtab.
10520 (build/genattrtab): Just mention genautomata.o and varray.o.
10521 Reorganize a bit, add comments to make the categories clearer.
10523 2006-01-22 Zack Weinberg <zackw@panix.com>
10525 * genconditions.c (condition_table, add_condition): Delete.
10526 (write_conditions): Don't emit n_insn_conditions nor
10527 insn_elision_unavailable. Issue the gcc version #ifdef here,
10528 inside the table, with no #else clause ...
10529 (write_header): ...not here.
10530 (write_writer): New function.
10531 (main): Don't initialize condition_table. Use add_c_test.
10533 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10534 files on the command line.
10535 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10536 Return -1 if there is no entry in the table, don't abort.
10537 (add_c_test, traverse_c_tests): New functions.
10538 * gensupport.h (insn_elision_unavailable, insn_conditions)
10539 (n_insn_conditions): Delete declarations.
10540 (add_c_test, traverse_c_tests): Declare.
10541 * read-rtl.c: Include gensupport.h.
10542 (read_conditions): New function.
10543 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10544 (read_rtx_1): If we get EOF when we were looking for an initial
10545 open paren, return 0. Call read_conditions when appropriate.
10546 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10547 dummy-conditions.o. Eliminate references to insn-conditions.o,
10548 or change them to build/gencondmd.o, as appropriate. Remove
10549 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10550 from $(simple_generated_c). For all files remaining in those
10551 two lists, add insn-conditions.md to the generator command line.
10552 Give insn-constants.h/s-constants their own rules. Add rules
10553 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10554 (build/read-rtl.o): Depend on gensupport.h.
10555 (genprognormal): Include preds.
10556 (genprogearly): Rename genprognoprint; only difference is now that
10557 they don't link with $(BUILD_PRINT).
10558 * dummy-conditions.c: Delete.
10560 2006-01-22 Zack Weinberg <zackw@panix.com>
10562 * genextract.c: Don't include insn-config.h. Do include vec.h.
10563 Declare vectors of int, char, and locstr.
10564 (locstr): New typedef.
10565 (struct extraction): Make all array fields into bare pointers.
10566 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10567 (insn_code_number): Delete.
10568 (accum_extract): New struct.
10569 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10570 (gen_insn): Take insn_code_number as an argument. Use an
10571 accum_extract structure instead of loading data directly into
10572 a struct extraction, and having to know how big it might get.
10573 (walk_rtx): Operate entirely on an accum_extract structure.
10574 (print_path): Avoid unnecessary use of printf.
10575 (print_header): New function, split out of main. Distinguish
10576 more carefully between an unrecognizable insn and an insn that
10577 has the code number of a define_expand.
10578 (main): Pass insn_code_number to gen_insn. Call print_header
10579 only after parsing. Avoid unnecessary use of printf.
10580 * Makefile.in (build/vec.o): New rule.
10581 (build/genextract): Depend on build/vec.o.
10582 (build/genextract.o): Don't depend on insn-config.h.
10584 2006-01-22 Zack Weinberg <zackw@panix.com>
10586 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10587 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10588 practical. Eliminate per-generator-program link rules.
10590 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10592 PR middle-end/24437
10593 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10594 with a call expr to ...
10595 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10597 2006-01-23 Richard Guenther <rguenther@suse.de>
10599 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10600 before make_edge with conditional EDGE_TRUE_VALUE.
10602 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10603 Jan Hubicka <jh@suse.cz>
10604 Richard Guenther <rguenther@suse.de>
10606 PR rtl-optimization/25654
10607 * cfgexpand.c (aggregate_contains_union_type): New function.
10608 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10609 for structure variables that contain a union type.
10611 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10613 * gengtype.c (new_structure): Return the structure.
10614 (create_option): Add an extra "next" argument.
10615 (create_field): New function.
10616 (adjust_field_rtx_def): Use create_option and create_field.
10617 Remove a now-unnecessary call to find_structure.
10618 (adjust_field_tree_def): Likewise.
10619 (note_yacc_type): Remove an unnecessary call to find_structure.
10620 * gengtype.h (new_structure): Return the structure.
10621 (create_option): Add an extra argument.
10622 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10623 (option): Adjust calls to create_option.
10625 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10627 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10629 2006-01-22 Paul Brook <paul@codesourcery.com>
10630 Peter Barada <peter@the-baradas.com>
10632 * config/m68k/m68k.md: Add Coldfire FPU support.
10633 Define FP mode macro and associated attributes.
10634 Use it for float mode patterns.
10635 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10636 (LIBCALL_VALUE): Use m68k_libcall_value.
10637 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10638 (m68k_function_value): Ditto.
10639 (emit_move_sequence): Ditto.
10640 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10641 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10642 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10643 (MULTILIB_EXCEPTIONS): Ditto.
10644 * config/m68k/m68k.opt: Add mcfv4e.
10645 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10646 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10647 (m68k_output_function_prologue): Save ColdFire FPU registers.
10648 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10649 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10650 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10651 ColdFire FPU registers.
10652 (m68k_libcall_value, m68k_function_value): New functions.
10653 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10654 (LIBCALL_VALUE): Use m68k_libcall_value.
10655 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10656 (MASK_COLDFIRE): Add MASK_CFV4E.
10657 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10658 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10659 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10660 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10661 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10662 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10663 * doc/invoke.tex: Document -mcfv4e on m68k.
10665 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10667 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10670 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10673 * c-opts.c (c_common_handle_option): Don't include
10674 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10675 * doc/invoke.texi (C++ Dialect Options): Document that
10676 -Wnon-virtual-dtor is no longer included in -Wall.
10678 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10680 * gcov.c (print_version), gcov-dump.c (print_version),
10681 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10684 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10686 * df-scan.c (problem_SCAN): Added NULL reset function.
10687 (df_scan_reset_blocks): Added code to call reset block function
10688 (df_bb_refs_delete) Fixed comment.
10689 (df_insn_refs_delete): Made tolerant of deleting non existent info
10690 for dataflow problems that need to be reset.
10691 * df-core.c (df_set_blocks): Ditto.
10692 * df.h (struct df_problem): Added reset_fun.
10693 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10694 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10695 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10696 functions to clear out all references to def-use or use-def chains.
10698 2006-01-21 Ben Elliston <bje@au.ibm.com>
10700 * varasm.c (assemble_real): Initialise data array.
10702 2006-01-20 Paul Brook <paul@codesourcery.com>
10704 Merge from csl-arm-branch.
10705 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10706 * config/arm/arm.md (movdi): Force operands[1] to a register
10707 if we have a non-register source.
10708 (*arm_movdi, *movdf_soft_insn): Require that one of the
10709 operands be a register.
10710 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10711 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10713 2006-01-20 DJ Delorie <dj@redhat.com>
10715 * varasm.c (initializer_constant_valid_p): Allow pointers
10716 initialized from integer constants of lesser precision.
10717 (output_constant): Allow non-int-sized pointer modes to be
10718 initialized from integer constants.
10720 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10723 * cppdefault.h (struct default_include): Add multilib flag.
10724 * cppdefault.c (cpp_include_defaults): Set it.
10725 * c.opt (-imultilib): New option.
10726 * c-opts.c (imultilib): New.
10727 (c_common_handle_option): Handle -imultilib.
10728 (c_common_post_options): Likewise.
10729 * c-incpath.c (add_standard_paths, register_include_chains):
10731 * c-incpath.h (register_include_chains): Add extra parameter.
10732 * gcc.c (do_spec_1): Generate -imultilib option.
10733 (The Specs Language): Update %I description.
10734 (process_command): Update copyright notice.
10735 * doc/cppopts.texi (-imultilib): Document.
10736 * doc/invoke.texi (-imultilib): Include in option summary.
10737 (%I): Update specs documentation.
10739 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10741 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10743 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10745 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10748 2006-01-20 Richard Guenther <rguenther@suse.de>
10749 Steven Bosscher <stevenb.gcc@gmail.com>
10751 PR rtl-optimization/24626
10752 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10753 EDGE_TRUE_VALUE if in RTL mode.
10756 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10757 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10759 2006-01-20 Dirk Mueller <dmueller@suse.com>
10762 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10763 instead of a special NOP marker.
10764 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10765 NOP marker handling.
10766 * c-common.h (empty_body_warning): Add forward declaration.
10767 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10768 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10770 2006-01-20 Paul Brook <paul@codesourcery.com>
10772 * Makefile.in (lang_checks): Keep going if mkdir fails.
10774 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10776 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10777 be able to clean out basic block when not necessary.
10778 (df_scan_free): Fixed to properly delete information if df is
10779 unused before calling df_finish.
10780 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10781 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10783 (df_bb_refs_delete): New function.
10784 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10785 * df-core.c (df_set_blocks): Added code to properly clean out
10786 unused blocks if they are not part of the blocks to consider.
10787 Added additional null check.
10788 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10789 be able to clean out basic block when not necessary
10790 * df.h (df_free_bb_function): Ditto.
10791 (df_bb_refs_delete): New function.
10792 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10793 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10794 basic block parameter to be able to clean out basic block when not
10796 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10797 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10798 Fixed to properly delete information if df is unused before
10801 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10803 PR rtl-optimization/25799
10804 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10805 Corrected confluence operator to remove bits from op2 before oring
10806 with op1 rather than removing bits from op1.
10807 (df_ru_transfer_function): Corrected test on wrong bitmap which
10808 caused infinite loop. Both of these problems were introduced in
10809 the dataflow rewrite.
10811 2006-01-19 DJ Delorie <dj@redhat.com>
10813 * reload1.c (find_reload_regs): Note the details of reload
10814 failures in the dump file.
10815 (spill_failure): Likewise.
10817 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10819 * loop-iv.c: Include df.h and hashtab.h.
10820 (enum iv_grd_result): New enum.
10821 (DF_REF_IV, DF_REF_IV_SET): New macros.
10822 (struct biv_entry): New.
10823 (df, bivs): New global variables.
10824 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10825 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10827 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10828 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10829 analyzed_for_bivness_p, record_biv): New functions.
10830 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10831 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10832 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10834 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10836 (iv_number_of_iterations): Use new interface to iv analysis.
10837 * loop-unroll.c: Do not include varray.h.
10838 (analyze_iv_to_split_insn): Use new interface to iv
10840 * loop-unswitch.c (may_unswitch_on): Ditto.
10841 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10843 (df_bb_modify): Realloc tables to the new index.
10844 (df_find_use): New function.
10845 * df.h (df_find_use): Declare.
10846 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10848 * cfgloop.h (struct rtx_iv): Remove analysed field.
10849 (iv_get_reaching_def): Removed.
10850 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10851 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10852 (loop-iv.o): Add df.h and hashtab.h dependency.
10853 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10855 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10858 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10860 (__floatundisf, __floatundidf): Likewise.
10861 * libgcc2.h (IS_IBM_EXTENDED): Define.
10863 2006-01-19 DJ Delorie <dj@redhat.com>
10865 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10867 2006-01-19 Paul Brook <paul@codesourcery.com>
10869 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10870 as nothrow when unwinding tables are disabled.
10872 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10875 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10876 of bit-field" when in system header.
10878 2006-01-19 DJ Delorie <dj@redhat.com>
10880 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10881 the 16 bit shift limit of the m16c.
10883 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10886 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10887 * config/i386/i386.c (output_set_got): Output the label if we have one
10888 for the TARGET_DEEP_BRANCH_PREDICTION case.
10890 2006-01-19 Jan Hubicka <jh@suse.cz>
10891 H.J. Lu <hongjiu.lu@intel.com>
10892 Evandro Menezes <evandro.menezes@amd.com>
10894 * invoke.texi (generic): Document
10896 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10897 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10898 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10899 (x86_use_incdec, x86_pad_returns): New variables
10900 (TARGET_CPU_DEFAULT_generic): New constant
10901 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10902 (enum processor_type): Add generic32 and generic64.
10903 * i386.md (cpu attribute): Add generic32/generic64
10904 (movhi splitter): Behave sanely when both partial_reg_dependency and
10905 partial_reg_stall are set.
10906 (K8 splitters): Enable for generic as well.
10907 * predicates.md (incdec_operand): Use TARGET_INCDEC
10908 (aligned_operand): Avoid memory mismatch stalls.
10909 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10910 * ppro.md: Enable for generic32
10911 * i386.c (generic64_cost, generic32_cost): New.
10912 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10913 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10914 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10915 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10916 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10917 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10918 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10919 x86_accumulate_outgoing_args, x86_prologue_using_move,
10920 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10921 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10922 Enable for generic.
10923 (x86_use_incdec, x86_pad_returns): New.
10924 (override_options): Add generic32 and generic64, translate "generic"
10925 to generic32/generic64 and "i686" to "generic32", refuse
10926 "generic32"/"generic64" as arch target.
10927 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10928 (ix86_reorg): Honor PAD_RETURNS.
10930 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10932 * tree-pretty-print.c (dump_generic_node): Handle
10933 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10934 * cgraph.c (cgraph_expand_queue): Rename from
10935 cgraph_analyze_queue. Update all users.
10936 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10937 cgraph_expand_queue.
10938 (cgraph_expand_all_functions): Likewise.
10939 (cgraph_finalize_pending_functions): Remove. Update callers.
10941 * tree.h (OMP_DIRECTIVE_P): Define.
10942 (OMP_PARALLEL_FN): Define.
10943 (OMP_PARALLEL_DATA_ARG): Define.
10944 (OMP_SECTIONS_SECTIONS): Define.
10945 * tree-pass.h (pass_expand_omp): Declare.
10946 * omp-low.c (struct omp_region): Declare.
10947 (struct omp_context): Remove fields 'parallel_type',
10948 'parallel_start_ix' and 'parallel_start_additional_args'.
10950 (struct omp_for_data): Rename from struct expand_omp_for_data.
10951 (omp_regions): New static variable.
10952 (root_omp_region): New static variable.
10953 (find_omp_clause): Make static.
10954 (is_in_combined_parallel_ctx): Remove.
10955 (is_combined_parallel): New.
10956 (extract_omp_for_data): Move earlier in the file.
10957 (workshare_safe_to_combine_p): New.
10958 (get_ws_args_for): New.
10959 (determine_parallel_type): Move earlier in the file.
10960 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10962 (omp_copy_decl): Likewise.
10963 (create_omp_child_function): Likewise.
10964 (lookup_omp_region): New.
10965 (dump_omp_region): New.
10966 (debug_omp_region): New.
10967 (debug_all_omp_regions): New.
10968 (new_omp_region): New.
10969 (scan_omp_parallel): If parallel_nesting_level > 1, the
10970 directive is nested within another parallel directive.
10971 Set OMP_PARALLEL_FN.
10972 (scan_omp_for): Do not try to handle combined parallel+for
10974 Remove FIXME comment.
10975 (scan_omp_nested): Remove.
10976 (scan_omp_1): Do not call scan_omp_nested when
10977 parallel_nesting_level is > 1.
10978 Do not change the DECL_CONTEXT of local variables found.
10979 (lookup_decl_in_outer_ctx): New.
10980 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10981 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10982 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10983 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10984 If CTX is nested, lookup VAR in the outer context when
10985 building copy assignment.
10986 (lower_send_clauses): Rename from expand_send_clauses.
10987 If CTX is nested, lookup VAR in the outer context when
10988 building copy assignments.
10989 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10990 If CTX is nested, lookup VAR in the outer context when
10991 building copy assignments.
10992 (expand_parallel_call): Rename from build_parallel_call.
10993 Handle combined parallel+workshare cases.
10994 Re-implement to emit code into the CFG.
10996 (expand_omp_parallel): Re-implement to emit code into the CFG.
10997 Call move_sese_region_to_fn to outline the sub-graph
10998 containing the parallel region.
10999 (expand_omp_for_1): Remove.
11000 (expand_omp_for_generic): Re-implement to emit code into the
11002 (expand_omp_for_static_nochunk): Likewise.
11003 (expand_omp_for_static_chunk): Likewise.
11004 (expand_omp_for): Likewise.
11005 (expand_omp_sections): Likewise.
11006 (remove_exit_barriers): New.
11007 (expand_omp_synch): New.
11009 (build_omp_regions_1): New.
11010 (build_omp_regions): New.
11011 (execute_expand_omp): New.
11012 (gate_expand_omp): New.
11013 (pass_expand_omp): Define.
11014 (lower_omp_sections): Rename from expand_omp_sections.
11015 Set OMP_SECTIONS_SECTIONS.
11016 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11017 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11018 (lower_omp_single): Rename from expand_omp_simple.
11019 (lower_omp_master): Rename from expand_omp_master.
11020 (lower_omp_ordered): Rename from expand_omp_ordered.
11021 (lower_omp_critical): Rename from expand_omp_critical.
11022 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11023 (lower_omp_for): Re-implement.
11024 (lower_omp_parallel): Re-implement.
11025 (lower_regimplify): Rename from expand_regimplify.
11026 (lower_omp_1): Rename from expand_omp_1.
11027 If there are syntax errors in the program, replace every
11028 OpenMP directive with NOP.
11029 Call lower_omp_* instead of expand_omp_*.
11030 (lower_omp): Rename from expand_omp.
11032 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11033 * tree-gimple.h (enum omp_parallel_type): Remove.
11034 (gimple_boolify): Declare extern.
11035 (find_omp_clause, determine_parallel_type): Remove.
11037 * gimple-low.c (lower_omp_directive): New.
11038 (lower_stmt): Call it.
11039 (record_vars_into): Move from ...
11040 (record_vars): ... here.
11041 Call record_vars_into with current_function_decl.
11043 * gimplify.c (struct gimplify_ctx): Remove fields
11044 combined_pre_p and combined_ctxp. Update users.
11045 (get_formal_tmp_var): Add documentation.
11046 (gimple_boolify): Make extern.
11047 (gimplify_expr_in_ctx): Remove. Update callers.
11048 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11049 will always be a BIND_EXPR.
11050 (gimplify_expr): Handle OMP_RETURN_EXPR.
11051 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11052 (OMP_PARALLEL): Add 3 operands.
11053 (OMP_SECTIONS): Add 1 operand.
11054 (OMP_RETURN_EXPR): Define.
11056 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11057 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11058 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11059 creating a circular free list.
11060 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11062 * tree-flow.h (move_sese_region_to_fn): Declare.
11063 (record_vars_into): Declare.
11064 * tree-cfg.c (make_omp_sections_edges): New.
11065 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11066 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11067 OMP_SECTIONS and OMP_SECTION.
11068 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11069 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11070 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11071 (gather_blocks_in_sese_region): New.
11072 (struct move_stmt_d): Declare.
11073 (move_stmt_r): New.
11074 (move_block_to_fn): New.
11075 (move_sese_region_to_fn): New.
11077 * passes.c (init_optimization_passes): Schedule
11078 pass_expand_omp after pass_init_datastructures.
11080 * tree-ssa-operands.c (get_expr_operands): Handle
11081 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11082 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11084 2006-01-19 Jeff Law <law@redhat.com>
11086 * tree-vrp.c (extract_range_from_assert): Refine the result range
11087 if the variable referenced by the ASSERT_EXPR has a range and
11088 either the tentative result range or the previous range is a
11091 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11093 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11095 2006-01-19 Jan Hubicka <jh@suse.cz>
11097 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11099 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11101 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11102 (expand_compound_operation, expand_field_assignment): Fail if the
11103 bit lengths of an extract operation are out of range.
11104 (make_extraction): Compute wanted_inner_mode based on the position
11105 and length of the extraction. Make it extraction_mode for non-constant
11106 positions, and do not modify offset in that case. When generating a
11107 new MEM, use a mode that can hold the extraction while keeping correct
11108 alignment. Remove code that supported MEMs wrapped by USEs.
11109 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11111 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11113 * config/s390/s390.md ("Y", "y"): New mode attribute.
11114 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11115 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11116 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11117 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11118 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11119 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11120 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11121 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11122 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11123 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11124 "addsi3", "subsi3"): Insn patterns removed.
11125 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11126 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11127 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11128 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11129 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11130 "*sub<mode>3_cconly2"): New insn patterns.
11131 ("addsi3", "subsi3"): New expanders.
11133 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11135 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11136 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11137 existing STMT_VINFO_VECTYPE if available.
11138 (vect_mark_relevant): Add special handling for stmts that are
11139 marked as STMT_VINFO_IN_PATTERN_P.
11140 (vect_analyze_loop): Call vect_pattern_recog.
11141 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11142 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11144 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11145 (vect_recog_func_ptr): New function-pointer type.
11146 * tree-vect-patterns.c: New file.
11147 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11148 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11149 (vect_pattern_recog_1): New functions.
11150 (vect_pattern_recog_funcs): New array of function pointers.
11152 * tree-vectorizer.h (ternary_op): New enum value.
11153 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11154 declaration. Revised documentation. Removed redundant dump prints.
11155 Removed redundant argument. Added support for reduction patterns.
11156 (vectorizable_reduction): Added support for reduction patterns.
11157 (vect_transform_stmt): Added support for patterns.
11159 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11160 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11161 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11162 (expand_widen_pattern_expr): New function.
11163 (init_optabs): Initialize new optabs udot_prod_optab,
11165 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11166 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11167 (expand_widen_pattern_expr): New function declaration.
11168 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11170 * tree-inline.c (estimate_num_insns_1): Added cases for new
11171 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11172 * tree-pretty-print.c (dump_generic_node): Likewise.
11173 (op_prio): Likewise.
11174 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11175 * tree-ssa-operands.c (get_expr_operands): Added case for
11177 * tree-vect-patterns.c (widened_name_p): New function.
11178 (vect_recog_dot_prod_pattern): Added function implementation.
11179 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11180 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11181 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11182 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11184 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11185 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11186 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11187 (init_optabs): Initialize new optabs widen_ssum_optab,
11189 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11190 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11191 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11192 use instead of type of def.
11193 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11194 function implementation.
11195 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11196 widen_ssumv8hi): New.
11198 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11201 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11204 * c-decl.c (add_flexible_array_elts_to_size): New function.
11205 (finish_decl): Use it.
11207 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11209 * diagnostic.h: Include options.h.
11210 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11211 dependancies for diagnostic.h.
11212 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11214 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11216 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11217 (ssa_ro_call_cache_valid): Ditto.
11218 * tree-ssa-alias.c (sort_tags_by_id): New function.
11219 (init_transitive_clobber_worklist): Ditto.
11220 (add_to_worklist): Ditto.
11221 (mark_aliases_call_clobbered): Ditto.
11222 (compute_tag_properties): Ditto.
11223 (set_initial_properties): Ditto.
11224 (compute_call_clobbered): Ditto.
11225 (compute_may_aliases): Call compute_call_clobbered and grouping.
11226 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11227 (compute_flow_insensitive_aliasing): Grouping now happens in our
11229 (setup_pointers_and_addressables): Remove clobbering related code.
11230 (add_may_alias): Ditto.
11231 (replace_may_alias): Ditto.
11232 (get_nmt_for): Ditto.
11233 (create_global_var):
11234 (is_escape_site): Return an escape_type enumeration.
11235 * tree-flow-inline.h (is_call_clobbered): Global var does not
11236 imply call clobbered.
11237 (mark_call_clobbered): Take a reason for marking this. Remove
11238 marking of globalness, and cache invalidation.
11239 (clear_call_clobbered): Remove cache invalidation code.
11240 * tree-dfa.c (dump_variable): If details is on, dump the reason
11242 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11244 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11245 (struct var_ann_d): Ditto.
11246 (enum escape_type): New.
11247 (mark_call_clobbered): Adjust prototype.
11248 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11249 are never call clobbered.
11250 Record reasons for escaping.
11251 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11252 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11253 (ssa_ro_call_cache_valid): Ditto.
11254 (clobbered_v_may_defs): Ditto.
11255 (clobbered_vuses): Ditto.
11256 (ro_call_vuses): Ditto.
11257 (clobber_stats): New.
11258 (init_ssa_operands): Zero out clobber stats.
11259 (fini_ssa_operands): Print out clobber stats.
11260 (get_call_expr_operands): Pass callee fndecl to
11261 add_call_read_ops).
11262 (add_call_clobber_ops): Remove use of cache.
11263 Add use of PURE_CONST information.
11264 (add_call_read_ops): Remove use of cache.
11265 Add use of static not_read information.
11267 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11269 Introduce TLS descriptors for i386 and x86_64.
11270 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11271 (TARGET_ANY_GNU_TLS): New macro.
11272 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11273 (struct machine_function): Add tls_descriptor_call_expanded_p.
11274 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11275 (ix86_current_function_calls_tls_descriptor): Likewise.
11276 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11277 (override_options): Introduce gnu2 tls dialect.
11278 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11280 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11282 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11283 (ix86_init_machine_status): Initialize new field.
11284 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11285 (ix86_tls_module_base): New.
11286 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11287 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11288 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11289 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11290 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11291 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11292 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11293 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11294 * config/i386/predicates.md (tls_modbase_operand): New.
11295 (tp_or_register_operand): New.
11297 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11299 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11300 (look_for_address_of): Ditto.
11301 (ipa_init): Walk the function decls.
11302 (static_execute): Don't set readonly on FUNCTION_DECL's.
11304 2006-01-18 Roger Sayle <roger@eyesopen.com>
11306 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11307 for shifts where the source and destination registers are different.
11309 2006-01-18 Paul Brook <paul@codesourcery.com>
11311 Merge from csl-arm-branch.
11312 2005-03-14 Julian Brown <julian@codesourcery.com>
11313 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11314 (aeabi_llsl): Likewise.
11315 (ashrdi3): Likewise.
11316 (aeabi_lasr): Likewise.
11317 (lshrdi3): Likewise.
11318 (aeabi_llsr): Likewise.
11319 2005-03-10 Julian Brown <julian@codesourcery.com>
11320 * config.gcc: Disable shared libgcc for SymbianOS.
11321 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11323 2006-01-18 DJ Delorie <dj@redhat.com>
11325 * c-pragma.c (handle_pragma_diagnostic): New.
11326 (init_pragma): Register it.
11327 * doc/extend.texi: Document it.
11329 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11330 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11331 (diagnostic_context): Add classify_diagnostic[].
11332 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11333 as errors if they're overridden to DK_WARNING.
11334 (diagnostic_initialize): Initialize classify_diagnostic[].
11335 (diagnostic_set_kind_override): New.
11336 (diagnostic_report_diagnostic): Check for kind changes.
11337 * opts.c (common_handle_option): Take lang_mask. Update callers.
11338 Handle OPT_Werror_.
11339 * common.opt (Werror=): New.
11340 * doc/invoke.texi: Document -Werror=*
11342 2006-01-18 Jeff Law <law@redhat.com>
11344 * tree-vrp.c (test_for_singularity): Correct test for new
11345 min limit. Use operand_equal_p rather than pointer equality
11346 for testing if new min/max values are equal.
11348 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11349 using range information until after propagation and folding.
11351 2006-01-18 Richard Henderson <rth@redhat.com>
11352 Aldy Hernandez <aldyh@redhat.com>
11353 Jakub Jelinek <jakub@redhat.com>
11354 Diego Novillo <dnovillo@redhat.com>
11356 * omp-low.c: New file.
11357 * c-omp.c: New file.
11359 2006-01-18 Richard Henderson <rth@redhat.com>
11360 Jakub Jelinek <jakub@redhat.com>
11361 Diego Novillo <dnovillo@redhat.com>
11363 * doc/invoke.texi: Document -fopenmp.
11364 * tree-dump.h (debug_function): Declare.
11365 * hooks.c (hook_bool_tree_bool_false): New function.
11366 (hook_tree_tree_null): Remove.
11367 (hook_tree_tree_tree_null): New.
11368 * hooks.h: Update to match.
11369 * tree-pretty-print.c (debug_tree_chain): New.
11370 (print_generic_expr): Handle TDF_CHAIN.
11371 (dump_generic_node): Handle BLOCK.
11372 Do not abort with incomplete SWITCH_EXPRs.
11373 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11374 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11375 print space after directive name.
11376 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11377 Handle OMP_MASTER and OMP_ORDERED.
11378 Handle printing of OMP_BODY just in one place, goto
11379 dump_omp_body in the rest of OMP_* nodes that have
11381 Don't handle clause nodes here. Update omp statements to
11382 use dump_omp_clauses.
11383 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11384 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11385 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11386 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11387 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11388 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11389 Adjust output for GOMP_PARALLEL.
11390 (dump_omp_clauses): New.
11391 (print_declaration): Dump DECL_VALUE_EXPR.
11392 (op_symbol_1): Split out of op_symbol.
11393 (dumping_stmts): Remove. Update all users.
11394 * cgraph.c (cgraph_analyze_queue): New.
11395 (cgraph_add_new_function): New.
11396 * cgraph.h (cgraph_analyze_queue): Declare.
11397 (cgraph_add_new_function): Declare.
11398 (cgraph_lower_function): Remove.
11399 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11400 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11401 and TYPE_P nodes in its default clause.
11402 (empty_body_p): New.
11403 (tree_range_check_failed): New.
11404 (build5_stat): New.
11405 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11406 OMP_CLAUSE_REDUCTION_MERGE,
11407 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11408 OMP_CLAUSE_PRIVATE_DEBUG,
11409 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11410 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11411 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11412 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11413 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11414 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11415 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11416 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11417 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11418 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11419 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11420 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11421 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11422 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11423 (TREE_RANGE_CHECK): New.
11424 (empty_body_p): Declare.
11425 (enum omp_clause_default_kind): New.
11426 (build_string_literal): Declare.
11427 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11428 (build5_stat, build5): Declare.
11429 * tree-pass.h (TDF_CHAIN): Define.
11430 * tree-pass.h (PROP_gimple_lomp): Define.
11431 (pass_lower_omp): Declare.
11432 * diagnostic.h (debug_tree_chain): Declare.
11433 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11435 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11436 * builtins.c (build_string_literal): Make extern.
11437 * gcc.c (include_spec_function): New.
11438 (static_spec_functions): Add it.
11439 (main): Move load of libgomp.spec ...
11440 (LINK_COMMAND_SPEC): ... here.
11441 (link_gomp_spec): New.
11442 (static_specs): Include it.
11443 (LINK_COMMAND_SPEC): Add link_gomp.
11444 (GOMP_SELF_SPECS): New.
11445 (driver_self_specs): Include it.
11446 (switch_matches): Don't mark inline.
11447 (main): Load libgomp.spec.
11448 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11449 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11450 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11451 * tree-gimple.h (enum omp_parallel): Declare.
11452 (determine_parallel_type): Declare.
11453 (omp_firstprivatize_variable): Declare.
11454 (omp_reduction_init): Declare.
11455 (diagnose_omp_structured_block_errors): Declare.
11456 (struct walk_stmt_info): Add want_return_expr.
11457 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11458 (find_omp_clause): Declare.
11459 (insert_field_into_struct): Declare.
11460 (struct walk_stmt_info): Move from tree-nested.c
11461 (walk_stmts): Declare.
11462 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11464 * cgraphunit.c (cgraph_lower_function): Make static.
11465 (cgraph_finalize_pending_functions): New.
11466 (cgraph_finalize_function): Call it.
11467 (cgraph_finalize_compilation_unit): Likewise.
11468 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11469 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11470 (BT_FN_UINT_UINT): New.
11471 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11472 DEF_FUNCTION_TYPE_VAR_4): Document.
11473 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11474 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11475 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11476 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11477 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11478 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11479 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11480 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11481 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11482 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11483 into separate files.
11484 (DEF_GOMP_BUILTIN): New.
11485 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11486 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11487 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11488 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11489 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11490 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11491 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11492 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11493 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11494 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11495 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11496 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11497 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11498 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11499 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11500 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11501 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11502 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11503 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11504 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11505 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11506 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11507 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11508 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11509 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11510 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11511 * sync-builtins.def: New file, moved from builtins.def.
11512 * omp-builtins.def: New file, moved from builtins.def.
11513 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11514 * gimple-low.c (lower_function_body): Clear data.
11515 (lower_stmt): Do not handle COMPOUND_EXPR.
11516 Remove call to print_node_brief.
11517 * c-tree.h (c_finish_omp_clauses): New prototype.
11518 (C_DECL_THREADPRIVATE_P): Define.
11519 (lookup_name_no_remap, c_omp_remap_private): Remove
11520 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11521 (check_for_loop_decls): Update decl.
11522 (lookup_name_no_remap, c_omp_remap_private): Declare.
11523 (build_indirect_ref, build_modify_expr, pushdecl,
11524 pushdecl_top_level): Move to c-common.h.
11525 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11526 before the switch, but just in the 2 places that need it.
11527 * c-decl.c (diagnose_mismatched_decls): Do not check for
11528 mismatched thread-local attributes when OLDDECL is marked
11529 threadprivate and NEWDECL has no thread-local attributes.
11530 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11531 (c_gimple_diagnostics_recursively): Rename from
11532 c_warn_unused_result_recursively. Invoke
11533 diagnose_omp_structured_block_errors.
11534 (check_for_loop_decls): Return a singular decl found.
11535 * langhooks.c (lhd_omp_predetermined_sharing): Return
11536 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11537 (lhd_omp_firstprivatize_type_sizes): New.
11538 (lhd_omp_assignment): New.
11539 (lhd_omp_predetermined_sharing): New.
11540 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11541 (struct lang_hooks_for_types): Add
11542 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11543 omp_predetermined_sharing, omp_disregard_value_expr,
11544 omp_private_debug_clause, omp_clause_default_ctor,
11545 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11546 (c_finish_omp_clauses): New.
11547 (c_finish_bc_stmt): Diagnose break within omp for.
11548 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11549 (build_unary_op): Return error_mark after reporting
11551 (build_modify_expr): Likewise.
11552 * gimplify.c: Include optabs.h and pointer-set.h.
11553 (enum gimplify_omp_var_data): Declare.
11554 (struct gimplify_omp_ctx): Declare.
11555 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11557 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11558 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11559 (splay_tree_compare_decl_uid): New.
11560 (new_omp_context): New.
11561 (delete_omp_context): New.
11562 (gimple_add_tmp_var): Call omp_add_variable.
11563 (gimplify_bind_expr): Likewise.
11564 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11565 true, disregard DECL_VALUE_EXPR on the decl if any.
11566 (gimplify_expr_in_ctx): New.
11567 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11568 omp_add_variable, omp_notice_variable, omp_is_private
11569 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11570 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11571 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11572 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11573 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11574 gimplify_omp_atomic): New.
11575 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11576 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11577 OMP_CRITICAL and OMP_ATOMIC.
11578 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11579 * c-pragma.h (enum pragma_kind): Add
11580 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11581 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11582 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11583 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11584 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11585 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11586 PRAGMA_OMP_THREADPRIVATE.
11587 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11588 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11589 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11590 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11591 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11592 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11593 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11594 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11595 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11596 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11597 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11598 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11599 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11601 (struct nesting_info): Add field_map,
11602 suppress_expansion, debug_var_chain.
11603 (create_nesting_tree): Initialize them.
11604 (lookup_field_for_decl): Use field_map.
11605 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11606 (convert_local_omp_clauses): New.
11607 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11608 (walk_body): Split out of walk_function.
11609 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11610 (convert_nonlocal_reference): Handle omp statements.
11611 (convert_local_reference): Likewise.
11612 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11613 (unnest_nesting_tree): New.
11614 (lower_nested_functions): Call it.
11615 (insert_field_into_struct): Make extern.
11616 (struct walk_stmt_info): Move to tree-gimple.h.
11617 (walk_stmts): Make extern.
11618 * omp-builtins.def: New file.
11619 * tree-iterator.c (expr_only): Clarify comment.
11620 * c-common.h (pushdecl_top_level, pushdecl,
11621 build_modify_expr, build_indirect_ref,
11622 c_finish_omp_master, c_finish_omp_critical,
11623 c_finish_omp_ordered, c_finish_omp_barrier,
11624 c_finish_omp_atomic, c_finish_omp_flush,
11625 c_finish_omp_for, c_split_parallel_clauses,
11626 omp_clause_default_kind, c_omp_sharing_predetermined,
11627 c_omp_remap_decl): Declare.
11628 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11629 (OBJS-common): Add omp-low.o.
11630 (c-omp.o, omp-low.o): Add.
11631 (gimplify.o): Add dependency on $(OPTABS_H).
11632 (GTFILES): Add omp-low.c.
11633 (gt-stringpool.h): Add.
11634 * tree-cfg.c (set_bb_for_stmt): Do not update the
11635 block-to-labels map if we are currently expanding to RTL.
11636 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11638 Handle IDENTIFIER_NODE.
11639 (tree_verify_flow_info): Do not ICE when emitting error
11640 messages about invalid labels.
11641 (dump_function_to_file): Reset CFUN before emitting the body
11643 (debug_function): New.
11644 * passes.c (init_optimization_passes): Schedule
11646 * langhooks-def.h (lhd_omp_predetermined_sharing,
11647 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11649 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11650 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11651 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11652 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11653 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11654 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11655 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11656 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11657 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11658 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11659 (LANG_HOOK_DECLS): Use them.
11661 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11662 Richard Henderson <rth@redhat.com>
11663 Jakub Jelinek <jakub@redhat.com>
11664 Diego Novillo <dnovillo@redhat.com>
11666 * c-parser.c (pragma_omp_clause): Define.
11667 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11668 (c_parser_compound_statement): Likewise.
11669 (c_parser_statement): Likewise.
11670 (c_parser_pragma): Handle omp pragmas.
11671 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11672 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11673 (c_parser_omp_clause_name, check_no_duplicate_clause,
11674 c_parser_omp_variable_list,
11675 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11676 c_parser_omp_clause_copyprivate,
11677 c_parser_omp_clause_default,
11678 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11679 c_parser_omp_clause_lastprivate,
11680 c_parser_omp_clause_nowait,
11681 c_parser_omp_clause_num_threads,
11682 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11683 c_parser_omp_clause_reduction,
11684 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11685 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11686 c_parser_omp_atomic, c_parser_omp_barrier,
11687 c_parser_omp_critical, c_parser_omp_flush,
11688 c_parser_omp_for_loop, c_parser_omp_for,
11689 c_parser_omp_master, c_parser_omp_ordered,
11690 c_parser_omp_sections_scope, c_parser_omp_sections,
11691 c_parser_omp_parallel, c_parser_omp_single,
11692 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11693 * c-pragma.c (init_pragma): Do omp pragma registration here.
11694 * c.opt (fopenmp): New flag.
11696 2006-01-18 Eric Christopher <echristo@apple.com>
11698 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11699 * config/darwin.h (GOMP_SELF_SPECS): Define.
11701 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11703 * rtl.h: Remove the prototype for reg_alloc.
11705 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11708 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11709 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11710 sjlj and dwarf2 exception handling.
11711 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11712 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11713 * pa/pa.c (function_value): Treat complex and vector types as
11715 (function_arg): Likewise. Only pass scalar floats in the floating
11716 point argument registers.
11717 * pa/t-slibgcc-dwarf-ver: New file.
11718 * pa/t-slibgcc-sjlj-ver: New file.
11719 * pa/t-slibgcc-elf-ver: Delete file.
11721 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11723 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11724 unlikely_test_section_p test.
11726 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11728 * mode-switching.c (optimize_mode_switching): Make it static.
11729 * basic-block.h: Remove the prototype for
11730 optimize_mode_switching.
11732 * modulo-sched.c (sms_schedule): Make it static.
11733 * rtl.h: Remove the prototype for sms_schedule.
11735 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11736 * rtl.h: Remove the prototype for gcse_after_reload_main.
11738 * reg-stack.c (reg_to_stack): Make it static.
11739 * rtl.h: Remove the prototype for reg_to_stack.
11741 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11743 * rtl.h: Remove the prototypes for regrename_optimize and
11744 copyprop_hardreg_forward.
11746 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11748 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11749 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11750 Test against the appropriate null constant for the mode.
11751 If 'fixup_overlap' is true, swap the operands if they overlap.
11752 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11753 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11754 alpha_split_tmode_pair and adjust for above change.
11755 * config/alpha/alpha.md (movtf_internal): Adjust call to
11756 alpha_split_tfmode_pair and rely on it to swap the operands.
11757 (movti_internal): New insn and post-reload splitter.
11758 (movti): New expander.
11760 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11762 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11765 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11767 * rtlanal.c (global_reg_mentioned_p_1,
11768 global_reg_mentioned_p): Remove.
11769 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11771 * flow.c (initialize_uninitialized_subregs): Make it static.
11772 * rtl.h: Remove the prototype for
11773 initialize_uninitialized_subregs.
11775 * function.c (instantiate_virtual_regs): Make it static.
11776 * function.h: Remove the prototype for
11777 instantiate_virtual_regs.
11779 * regmove.c (regmove_optimize, combine_stack_adjustments):
11781 * rtl.h: Remove the prototypes for regmove_optimize and
11782 combine_stack_adjustments.
11784 2006-01-17 Roger Sayle <roger@eyesopen.com>
11786 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11787 (size_cost): Encode costs in bytes so that a reg-reg addition is
11788 equivalent to COSTS_N_INSNS(1).
11789 (override_options): Use the size_cost.branch_cost as the default
11790 ix86_branch_cost when optimizing for size.
11792 2006-01-18 Ben Elliston <bje@au.ibm.com>
11794 * Makefile.in (D32PBIT_FUNCS): New.
11795 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11796 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11797 D64PBIT_FUNCS and D128PBIT_FUNCS.
11798 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11799 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11801 (decnumber_dep): Define.
11802 * doc/libgcc.texi (Decimal float library routines): New node.
11803 * config/dfp-bit.h, config/dfp-bit.c: New files.
11805 2006-01-18 Ben Elliston <bje@au.ibm.com>
11807 * expr.c (emit_move_change_mode): Always adjust addresses, not
11808 just during reload. Copy replacements only during reload.
11809 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11810 emit_move_via_integer.
11812 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11814 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11815 instead of $(srcdir) and ${srcdir}.
11817 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11820 PR middle-end/11135
11821 * arm.h (struct machine_function): Add pic_reg.
11822 * arm.c (arm_pic_register): Make unsigned.
11823 (arm_override_options): Only set arm_pic_register if
11824 TARGET_SINGLE_PIC_BASE.
11825 (use_return_insn): Only test for a pic register if it is fixed.
11826 (arm_compute_save_reg0_reg12_mask): Likewise.
11827 (thumb_compute_save_reg_mask): Likewise.
11828 (legitimate_pic_operand): Factor out some known invariants.
11829 (legitimize_pic_address): If we don't have a fixed pic register,
11830 then set up a pseudo in the function entry sequence. Handle the
11831 pic base being in a pseudo.
11832 (arm_load_pic_register): Handle the pic register being in a pseudo.
11833 (arm_expand_prologue): Only set up the pic register if it is fixed.
11834 (thumb_expand_prologue): Likewise.
11835 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11836 (pic_load_addr_based_insn): Likewise.
11837 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11840 2006-01-18 Ben Elliston <bje@au.ibm.com>
11842 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11843 decimal float modes for all floating point registers.
11845 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11846 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11848 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11851 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11852 even when the pointer is not NULL.
11854 2006-01-16 Ian Lance Taylor <ian@airs.com>
11856 * common.opt (ftoplevel-reorder): New option.
11857 * cgraph.c (cgraph_asm_nodes): New global variable.
11858 (cgraph_asm_last_node): New static variable.
11859 (cgraph_order): New global variable.
11860 (cgraph_create_node): Set new order field.
11861 (cgraph_varpool_node): Likewise.
11862 (decide_is_variable_needed): Return true if not
11863 flag_toplevel_reorder.
11864 (cgraph_add_asm_node): New function.
11865 * cgraph.h (struct cgraph_node): Add order field.
11866 (struct cgraph_varpool_node): Add order field.
11867 (struct cgraph_asm_node): Define.
11868 (cgraph_asm_nodes, cgraph_order): Declare.
11869 (cgraph_add_asm_node): Declare.
11870 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11872 (cgraph_varpool_assemble_pending_decls): Call it.
11873 (cgraph_output_pending_asms): New static function.
11874 (cgraph_finalize_compilation_unit): Call it.
11875 (struct cgraph_order_sort): Define.
11876 (cgraph_output_in_order): New static function.
11877 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11878 !flag_toplevel_reorder case.
11879 * c-parser.c: Include "cgraph.h".
11880 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11882 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11883 than -fno-unit-at-a-time.
11884 * doc/invoke.texi (Option Summary): Mention
11885 -fno-toplevel-reorder.
11886 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11887 -funit-at-a-time documentation.
11889 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11890 Kazu Hirata <kazu@codesourcery.com>
11892 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11894 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11896 * Makefile.in (FUNCTION_H): New. Use it instead of
11897 function.h throughout the file.
11898 * function.h: Include tree.h.
11900 2006-01-17 Ben Elliston <bje@au.ibm.com>
11902 * recog.c: Separate some functions with whitespace.
11904 2006-01-16 Richard Henderson <rth@redhat.com>
11906 Merge from gomp branch:
11907 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11908 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11909 and rename from struct inline_data. Rename callee* to dst*;
11910 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11911 transform_new_cfg, transform_return_to_modify, and
11912 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11914 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11915 (copy_decl_for_dup): Remove.
11916 * tree-inline.c (struct inline_data): Move to header.
11917 (insert_decl_map): Export.
11918 (remap_decl): Update for member name changes. Use copy_decl hook.
11919 Allow for replacement to be a non-decl. Remove dead code.
11920 (remap_type_1): Check for existing mapping.
11921 (remap_type): Export.
11922 (remap_decls): Update for member name changes.
11923 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11924 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11925 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11926 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11927 (tree_function_versioning, build_duplicate_type): Likewise.
11928 (copy_body_r): Likewise. Export.
11929 (copy_decl_for_dup): Split into ...
11930 (copy_decl_for_dup_finish, copy_decl_to_var,
11931 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11932 (replace_ref_tree, inlining_p): Remove.
11934 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11936 * ifcvt.c (if_convert): Make it static.
11937 * rtl.h: Remove the prototype for if_convert.
11939 * local-alloc.c (local_alloc): Make it static.
11940 * rtl.h: Remove the prototype for local_alloc.
11942 * loop.c (loop_optimize): Make it static.
11943 * cfgloop.h: Remove the prototype for loop_optimize.
11946 2006-01-16 DJ Delorie <dj@redhat.com>
11948 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11951 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11953 * pa.md: Disparage copies between general and floating-point registers
11954 in 32-bit move patterns.
11956 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11959 * Makefile.in (check-%): Depend on site.exp instead of
11960 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11963 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11965 * global.c (global_alloc): Make it static.
11966 * rtl.h: Remove the prototype for global_alloc.
11968 2006-01-16 Richard Guenther <rguenther@suse.de>
11970 * tree-ssa-alias.c (struct used_part): Add write_only field.
11971 (get_or_create_used_part_for): Initialize it to true.
11972 (create_overlap_variables_for): Don't create structure variables
11973 for structures that only are written to.
11974 (find_used_portions): Handle MODIFY_EXPR to track whether a
11975 structure is only written to.
11977 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11979 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11981 * basic-block.h: Remove the prototype for
11982 partition_hot_cold_basic_blocks.
11984 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11986 * cppspec.c (lang_specific_spec_functions): Remove.
11987 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11988 * gcc.h (lang_specific_spec_functions): Remove.
11989 * gccspec.c (lang_specific_spec_functions): Remove.
11991 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11993 * combine.c (record_value_for_reg): Invalidate registers
11995 (record_dead_and_set_regs_1): Likewise, by passing them to
11996 record_value_for_reg.
11997 (record_dead_and_set_regs): Invalidate stores made by a
11998 call. We do not combine across a call, but we still
11999 relied on equivalences.
12001 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12003 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12004 vrp_int_const_binop returning non-constant nodes.
12006 2006-01-16 Paul Brook <paul@codesourcery.com>
12008 * config/m68k/m68k.c (output_move_const_into_data_reg):
12009 Output correct mnemonic for mvz and mvs.
12011 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12013 * rtl-factoring.c: Add sequence abstraction algorithm.
12014 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12015 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12017 (block_has_preserve_label): New function.
12018 * common.opt: Register new pass.
12019 * Makefile.in: Ditto.
12021 * timevar.def: Ditto.
12022 * tree-pass.h: Ditto.
12023 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12024 * rtl.h (make_jump_insn_raw): Add forward decl.
12025 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12027 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12028 Roger Sayle <roger@eyesopen.com>
12030 * fold-const.c (fold_minmax): New static function.
12031 (fold_binary) <MIN_EXPR>: Call it.
12032 <MAX_EXPR>: Likewise.
12033 * stor-layout.c (place_field): Use DECL_SIZE consistently
12034 in the computation of the new record size.
12036 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12038 * cse.c (cse_condition_code_reg): Make it static.
12039 * rtl.h: Remove the prototype for cse_condition_code_reg.
12041 * combine.c (combine_instructions): Make it static.
12042 * rtl.h: Remove the prototype for combine_instructions.
12044 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12047 * tree.c (get_file_function_name_long): Concatenate the first global
12048 object name with a string derived from the input filename of the object
12051 2006-01-16 Ben Elliston <bje@au.ibm.com>
12053 * config/i386/winnt-stubs.c: Update FSF address.
12054 * config/xtensa/ieee754-df.S: Ditto.
12055 * config/xtensa/ieee754-sf.S: Ditto.
12057 2006-01-14 Ian Lance Taylor <ian@airs.com>
12059 * ifcvt.c (noce_init_if_info): New static function, broken out of
12060 noce_process_if_block.
12061 (noce_process_if_block): Call noce_init_if_info.
12062 (check_cond_move_block): New static function.
12063 (cond_move_process_if_block): New static function.
12064 (process_if_block): Call cond_move_process_if_block.
12066 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12068 * cselib.c (hash_table): Rename to cselib_hash_table.
12069 (cselib_clear_table, discard_useless_values,
12070 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12071 cselib_init, cselib_finish): Adjust uses of hash_table.
12073 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12075 PR tree-optimization/25485
12076 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12077 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12078 is known to be false and true, respectively.
12080 2006-01-14 Richard Guenther <rguenther@suse.de>
12082 PR tree-optimization/22548
12083 PR tree-optimization/22555
12084 PR tree-optimization/22501
12085 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12086 * params.def (salias-max-array-elements): New parameter.
12087 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12088 * doc/invoke.texi (salias-max-array-elements): Document.
12089 * tree-flow-inline.h (var_can_have_subvars): We also handle
12091 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12093 * tree-ssa-structalias.c (params.h): Include.
12094 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12095 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12096 (get_constraint_for): For ADDR_EXPR operating on something
12097 containing an ARRAY_REF, add all subvars to the solution.
12098 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12099 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12100 for creating MUST_DEFs.
12101 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12103 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12105 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12107 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12108 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12109 number_of_iterations_le): New functions.
12110 (number_of_iterations_special): Removed.
12111 (number_of_iterations_exit): Do not use number_of_iterations_special.
12112 * tree.c (unsigned_type_for): Always return integer type.
12114 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12115 Richard Guenther <rguenther@suse.de>
12117 PR rtl-optimization/24257
12118 * gcse.c (find_moveable_store): Only consider a store movable
12119 when the SET_SRC of the insn can be assigned to a register.
12121 2006-01-14 Ian Lance Taylor <ian@airs.com>
12123 * tree.c (tree_not_class_check_failed): New function.
12124 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12125 (tree_not_class_check_failed): Declare.
12127 2006-01-13 Ian Lance Taylor <ian@airs.com>
12129 * reload1.c (do_output_reload): Add assertion rejecting a
12132 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12134 * combine.c (struct reg_stat): Add new fields truncation_label and
12136 (record_value_for_reg): Reset truncated_to_mode.
12137 (record_truncated_value): New function.
12138 (check_promoted_subreg): Call it. Rename to check_conversions.
12139 (combine_instructions): Rename check_promoted_subreg to
12141 (reg_truncated_to_mode): New function.
12142 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12143 (gen_lowpart_or_truncate): New function.
12144 (force_to_mode): Use it instead of gen_lowpart.
12146 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12148 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12149 VAR is a tag, not its type tag.
12151 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12153 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12154 alternatives to match style of other entries.
12155 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12157 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12159 PR tree-optimization/25771
12160 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12163 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12166 * tree-inline.c (declare_return_variable): If the return variable
12167 was marked as a non gimple complex, set the return slot variable
12168 to be a non gimple comple variable.
12170 2006-01-13 Richard Guenther <rguenther@suse.de>
12172 * builtins.c (expand_builtin_sincos): New function.
12173 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12175 (expand_builtin): Expand sincos using expand_builtin_sincos.
12177 2006-01-12 DJ Delorie <dj@redhat.com>
12179 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12180 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12181 so that constant shifts can be split.
12182 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12183 (m32c_valid_pointer_mode): Make static.
12184 (shift_gen_func_for): New.
12185 (m32c_prepare_shift): Use it. Split large const shifts into
12187 * config/m32c/predicates.md (shiftcount_operand): Allow more
12189 (longshiftcount_operand): New.
12190 * doc/md.texi (Machine Constraints): Document In6.
12192 2006-01-13 Ben Elliston <bje@au.ibm.com>
12194 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12195 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12198 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12200 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12201 to try to avoid clobbering pieces of structures when we know
12202 something about the whole structure.
12203 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12205 2006-01-13 Ben Elliston <bje@au.ibm.com>
12207 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12208 return in memory, as this is no limitation is no longer present.
12210 2006-01-12 DJ Delorie <dj@redhat.com>
12212 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12213 mova with fb, and for fb+0 -> An.
12215 * config/m32c/mov.md (peephole2): Fix enabling logic.
12217 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12218 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12219 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12220 FINI_ARRAY_SECTION_ASM_OP): Define.
12222 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12224 (m32c_legitimize_reload_address): New logic to reload FB to An.
12225 (m32c_output_reg_push): Add newline.
12226 (m32c_output_reg_pop): Likewise.
12228 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12230 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12232 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12234 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12236 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12238 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12241 2006-01-11 Ben Elliston <bje@au.ibm.com>
12243 * rtlanal.c (find_reg_note): Assert insn is not null.
12245 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12247 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12250 2006-01-11 Jeff Law <law@redhat.com>
12252 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12254 (mark_threaded_blocks, register_jump_thread): New functions.
12255 (thread_through_all_blocks): Remove unwanted argument. No
12256 longer rely on e->aux to communicate thread target info.
12257 Call mark_threaded_blocks. Release the threaded_blocks
12258 bitmap and threaded_edges vector when complete.
12259 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12260 (threaded_blocks): Remove.
12261 (tree_ssa_dominator_optimize): Remove initialization and
12262 finalization of threaded_blocks. Simplify call to
12263 thread_through_all_blocks.
12264 (thread_across_edge): Call register_jump_thread rather than
12265 storing thread information into e->aux.
12266 (free_all_edge_infos): Simplify now that e->aux is no longer
12267 used to communicate with thread_through_all_blocks.
12268 * tree-flow.h (thread_through_all_blocks): Update prototype.
12269 (register_jump_thread): Prototype.
12271 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12273 * df-core.c (df_compact_blocks, df_bb_replace): Use
12274 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12276 2006-01-11 Richard Guenther <rguenther@suse.de>
12278 PR tree-optimization/25734
12279 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12280 stop propagation after successful propagation to the LHS.
12282 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12284 * basic-block.h (control_flow_graph): Change the type of
12285 x_basic_block_info to VEC(basic_block,gc) *.
12286 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12288 (SET_BASIC_BLOCK): New.
12289 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12290 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12291 * cfgbuild.c (find_basic_blocks): Likewise.
12292 * cfglayout.c (fixup_reorder_chain): Likewise.
12293 * cfgrtl.c (create_basic_block_structure,
12294 rtl_create_basic_block): Likewise.
12295 * ifcvt.c (find_if_case_1): Likewise.
12296 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12299 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12301 * Makefile.in: Removed rotted odf.c entry.
12303 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12306 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12307 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12308 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12309 output pattern modifier, not %e.
12310 * config/cris/cris.c (cris_op_str): Update comment about pattern
12312 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12313 before falling through into...
12314 <case 'E'>: Redefined from old 'e' case.
12316 2006-01-11 Jan Hubicka <jh@suse.cz>
12319 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12321 2006-01-11 Jan Hubicka <jh@suse.cz>
12323 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12324 * i386.c (x86_decompose_lea): Kill.
12325 (ix86_rtx_costs): Kill.
12327 2006-01-11 Jan Hubicka <jh@suse.cz>
12329 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12330 * cgraph.h (cgraph_node): Add inline_decl.
12331 (cgraph_insert_node_to_hashtable): Declare.
12332 (save_inline_function_body): Declare.
12333 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12335 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12336 (cgraph_function_versioning): Update call of tree_function_versioning.
12337 (save_inline_function_body): New function.
12338 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12339 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12340 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12341 (cgraph_default_inline_p): Likewise.
12342 (cgraph_decide_inlining_incrementally): Likewise.
12343 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12344 (copy_bb): Kill saving; do updating of clones.
12345 (copy_cfg_body): Kill saving.
12346 (initialize_inlined-parameters): Likewise.
12347 (expand_call_inline): Likewise.
12349 (tree_function_versioning): New parameter "update_clones".
12350 (inlining_p): Kill saving.
12351 * tree-inline.h (tree_function_versioning): Update prototype.
12352 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12355 2006-01-11 Ian Lance Taylor <ian@airs.com>
12357 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12358 Allow undoing set of machine mode.
12359 (do_SUBST): Use enums instead of is_int.
12360 (do_SUBST_MODE): New function.
12361 (SUBST_MODE): New macro.
12362 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12363 reg and trying to replace reg_regno_rtx with a new register.
12364 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12365 (simplify_set): Use SUBST_MODE.
12366 (distribute_notes): Remove code that tried to update reg notes
12367 for regno_reg_rtx changes.
12369 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12371 PR tree-optimization/23109
12372 PR tree-optimization/23948
12373 PR tree-optimization/24123
12375 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12376 * tree-cfg.c (single_noncomplex_succ): New.
12377 * tree-flow.h (single_noncomplex_succ): Declare it.
12378 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12379 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12380 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12381 insert_bb, register_division_in, insert_reciprocals,
12382 replace_reciprocal, free_bb): New.
12383 (execute_cse_reciprocals_1): Rewritten.
12384 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12385 Do not commit any edge insertion. Always compute dominators and
12386 create the allocation pool.
12387 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12388 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12389 * targhooks.c (default_min_divistions_for_recip_mul): New.
12390 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12391 * passes.c (init_optimization_passes): Run recip after tree loop
12393 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12395 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12396 Kenneth Zadeck <zadeck@naturalbridge.com>
12398 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12399 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12400 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12401 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12402 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12403 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12404 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12405 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12406 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12407 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12408 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12409 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12410 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12411 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12412 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12413 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12414 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12415 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12416 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12417 DF_SCAN_POST_ALLOC): New macros.
12418 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12419 df_free_bb_function, df_local_compute_function, df_init_function,
12420 df_dataflow_function, df_confluence_function_0,
12421 df_confluence_function_n, df_transfer_function,
12422 df_finalizer_function, df_free_function, df_dump_problem_function,
12423 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12424 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12425 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12426 df_urec_bb_info, ) New types.
12427 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12429 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12430 df_analyze_simple_change_some_blocks,
12431 df_analyze_simple_change_one_block, df_compact_blocks,
12432 df_bb_replace, df_bb_regno_last_use_find,
12433 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12434 df_insn_regno_def_p, df_find_def, df_find_use,
12435 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12436 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12437 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12438 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12439 debug_df_chain, df_get_dependent_problem, df_chain_create,
12440 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12441 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12442 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12443 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12444 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12445 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12446 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12447 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12448 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12449 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12450 df_reorganize_refs, df_set_state, df_hard_reg_init,
12451 df_read_modify_subreg_p) New public functions.
12452 * df-core.c: The core dataflow solver and glue routines for rtl
12454 (df_init, df_add_problem, df_set_blocks, df_finish,
12455 df_hybrid_search_forward, df_hybrid_search_backward,
12456 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12457 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12458 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12459 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12460 df_reg_defined, df_find_use, df_reg_used, df_dump,
12461 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12462 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12463 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12464 debug_df_useno, reset_df_after_reload): New functions.
12465 * df-scan.c: The scanning fuctions, once in df.c, completely
12466 rewritten so that they now fully model the functionality of
12467 register usage at the backend.
12468 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12469 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12470 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12471 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12472 df_get_artificial_defs, df_get_artificial_uses,
12473 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12474 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12475 df_refs_delete, df_reorganize_refs, df_set_state,
12476 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12477 df_def_record_1, df_defs_record, df_uses_record,
12478 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12479 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12480 df_record_exit_block_uses, df_hard_reg_init): New functions.
12482 * df-problems.c: Seven concrete dataflow problems that use the
12483 scanning in df-scan.c and are solved by the engine in df-core.c.
12484 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12485 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12486 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12487 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12488 df_ru_free_bb_info, df_ru_alloc,
12489 df_ru_bb_local_compute_process_def,
12490 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12491 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12492 df_ru_transfer_function, df_ru_free, df_ru_dump,
12493 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12494 df_rd_free_bb_info, df_rd_alloc,
12495 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12496 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12497 df_rd_transfer_function, df_rd_free, df_rd_dump,
12498 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12499 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12500 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12501 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12502 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12503 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12504 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12505 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12506 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12507 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12508 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12509 df_urec_mark_reg_use_for_earlyclobber,
12510 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12511 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12512 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12513 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12514 df_chain_create_bb_process_use, df_chain_create_bb,
12515 df_chain_finalize, df_chain_free, df_chains_dump,
12516 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12517 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12518 df_reg_lifetime): New functions.
12519 * df.c: Deleted file.
12520 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12521 consistent with new df api.
12522 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12523 rest_of_handle_sms): Ditto.
12524 * web.c (unionfind_union, union_defs, entry_register, web_main):
12526 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12527 invariant_expr_equal_p, find_defs, check_dependencies,
12528 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12529 free_inv_motion_data, move_loop_invariants): Ditto.
12530 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12531 Update dependencies.
12532 (odf.c): Added defective entry that was deleted later in day.
12533 * sched-deps.c (sched_analyze_1): Ditto.
12535 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12537 * tree-ssa-operands.c (get_expr_operands): Record addressable
12538 variables directly. Do not call add_stmt_operands for CONST_DECLs
12540 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12541 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12543 2006-01-11 Ben Elliston <bje@au.ibm.com>
12545 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12546 function returns true in the positive case.
12548 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12551 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12552 for SI, DI, SF and DF modes. Add alternatives to copy between
12553 general and floating point registers to the 32-bit patterns.
12554 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12555 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12556 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12557 generating 64-bit code.
12558 * config/pa/pa.c (output_move_double): Handle copies between general
12559 and floating registers.
12561 2006-01-10 Stuart Hastings <stuart@apple.com>
12563 * config/i386/i386.md (set_got): Update.
12564 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12565 (builtin_setjmp_receiver): Mach-O support.
12566 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12567 (GOT_SYMBOL_NAME): Define.
12568 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12569 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12570 * config/i386/i386.c (override_options): Revise for Darwin.
12571 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12572 support. (darwin_x86_file_end): New. (output_set_got): Add label
12573 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12574 * config/i386/i386-protos.h (output_set_got): Likewise.
12575 * config/darwin.c (machopic_legitimize_pic_address): Update
12578 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12580 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12581 when MODE isn't BLKmode.
12583 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12585 PR rtl-optimization/25367
12586 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12588 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12591 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12592 for a negative bound.
12594 2006-01-10 Richard Guenther <rguenther@suse.de>
12596 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12597 Never override with anything constraint.
12599 2006-01-10 Jan Beulich <jbeulich@novell.com>
12601 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12602 256 bits when optimize_size.
12604 2006-01-10 Jan Beulich <jbeulich@novell.com>
12606 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12608 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12609 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12612 2006-01-10 Ben Elliston <bje@au.ibm.com>
12614 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12616 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12617 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12618 (USE_FP_FOR_ARG): Reject decimal float modes.
12619 (function_arg_advance): Likewise.
12620 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12621 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12622 point types in AltiVec vectors.
12623 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12624 (rs6000_libcall_value): Likewise.
12626 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12628 * config/xtensa/ieee754-df.S: New file.
12629 * config/xtensa/ieee754-sf.S: New file.
12630 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12631 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12632 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12634 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12636 * config/sh/predicates.md (binary_float_operator,
12637 binary_logical_operator, commutative_float_operator,
12638 equality_comparison_operator, greater_comparison_operator,
12639 less_comparison_operator, logical_operator,
12640 noncommutative_float_operator, shift_operator,
12641 symbol_ref_operand, unary_float_operator): Remove redundant
12644 2006-01-09 Jeff Law <law@redhat.com>
12646 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12647 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12648 now unused arguments. Callers updated.
12649 (eliminate_redundant_computations): Remove now unused arguments,
12651 (local_fold): Remove, no longer used.
12652 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12654 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12655 (simplify_cond): New function.
12656 (forward_propagate_into_cond): Call simplify_cond.
12658 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12660 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12661 (*vec_extractv2di_1_sse): New.
12663 2006-01-09 Ben Elliston <bje@au.ibm.com>
12665 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12667 2006-01-08 Richard Guenther <rguenther@suse.de>
12669 * tree-ssa-structalias.c (get_constraint_for): Remove
12670 anyoffset argument.
12671 (get_constraint_for_component_ref): Likewise.
12672 (do_deref): Likewise.
12673 (get_constraint_for): Likewise.
12674 (do_structure_copy): Likewise.
12675 (handle_ptr_arith): Likewise.
12676 (find_func_aliases): Likewise. Remove unused need_anyoffset
12679 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12680 Kaz Kojima <kkojima@gcc.gnu.org>
12682 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12683 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12684 (EXTRA_CONSTRAINT_C16): Remove.
12685 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12686 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12687 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12688 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12689 constants of SHmedia. Handle nested constant expressions of
12691 (andcosts): Fix the costs for SHmedia constants.
12692 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12693 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12694 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12695 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12696 (movv4hi_i, movv2si_i): Likewise.
12697 (movsi_const): Adjust the second operand of ior so to match with
12698 the Csu constraint.
12699 (movdi_const, movdi_const_32bit): Likewise.
12700 (movdi_const_16bit+1): Don't sign-extend LOW.
12701 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12703 (*double_shori): Fix the split condition. Use GEN_INT instead
12704 of get_int_mode calls. Mask lower 16-bit of the argument of
12706 (sym2GOTPLT): Remove.
12707 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12709 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12710 instead of EXTRA_CONSTRAINT_C16.
12712 2006-01-07 Ian Lance Taylor <ian@airs.com>
12713 David Edelsohn <edelsohn@gnu.org>
12715 PR rtl-optimization/25662
12716 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12717 for constant operands instead of simplify_gen_binary.
12718 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12719 after trying simplify_binary_operation
12721 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12723 * tree.c (iterative_hash_expr): Hash decls based on UID.
12725 2006-01-06 Eric Christopher <echristo@apple.com>
12727 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12728 (TARGET_UNWIND_EMIT): Fix spelling.
12729 * target.h (gcc_target): Add except_table_label.
12730 * except.c (output_function_exception_table): Use.
12731 * varasm.c (default_emit_except_table_label): New.
12732 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12734 (asm_out): Add here.
12735 * output.h (default_emit_except_table_label): Prototype.
12736 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12737 * config/darwin.c (darwin_emit_except_table_label): Define.
12738 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12740 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12742 PR tree-optimization/18527
12743 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12744 number_of_iterations_special, number_of_iterations_exit):
12745 Move base and step of an iv to a single structure. Add
12746 no_overflow flag, and use it in # of iterations analysis.
12747 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12748 folded_casts argument.
12749 (simple_iv): Pass base and step in a structure. Set no_overflow
12751 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12752 Evaluate expensiveness of computing # of iterations instead of
12753 the final expression.
12754 * tree-scalar-evolution.h (affine_iv): New structure.
12755 (simple_iv): Declaration changed.
12756 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12757 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12758 find_givs_in_stmt): Changed due to simple_iv change.
12760 2006-01-06 Jeff Law <law@redhat.com>
12763 * tree-cfg.c (bsi_replace): Rename final argument from
12764 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12765 change (stmt -> orig_stmt).
12766 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12767 (bsi_remove): Add new argument. Remove EH information
12769 (verify_eh_throw_table_statements): New function.
12770 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12772 * tree-optimize.c (execute_free_cfg_annotations): Verify
12773 the EH throw statement table after removing annotations.
12774 * except.h (verify_eh_throw_table_statements): Prototype.
12775 * tree-flow.h (bsi_remove): Update prototype.
12776 * tree-vrp.c (remove_range_assertions): Add new argument to
12778 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12779 * tree-complex.c (expand_complex_div_wide): Likewise.
12780 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12781 * tree-tailcall.c (eliminate_tailcall): Likewise.
12782 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12783 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12784 * tree-nrv.c (tree_nrv): Likewise.
12785 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12786 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12787 (combine_blocks): Likewise.
12788 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12789 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12790 (cleanup_control_flow): Likewise.
12791 (remove_forwarder_block): Likewise.
12792 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12793 * tree-sra.c (sra_replace): Likewise.
12794 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12795 (forward_propagate_single_use_vars): Likewise.
12796 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12797 * tree-inline.c (expand_call_inline): Likewise.
12798 * tree-vect-transform.c (vect_transform_loop): Likewise.
12799 * tree-outof-ssa.c (rewrite_trees): Likewise.
12800 * tree-cfg.c (make_goto_expr_edges): Likewise.
12801 (cleanup_dead_labels): Likewise.
12802 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12803 (bsi_move_before, bsi_move_after): Likewise.
12804 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12805 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12807 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12810 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12812 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12813 on non gimple variables. Also add checks at the top for decls and
12815 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12817 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12818 and IMAGPART_EXPR for creating MUST_DEFs.
12819 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12820 and NAME_MEMORY_TAG separately from the DECLs.
12822 2006-01-06 Richard Guenther <rguenther@suse.de>
12824 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12825 annotation, if necessary.
12826 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12827 redundant calls to update_stmt.
12828 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12831 2006-01-05 Richard Henderson <rth@redhat.com>
12833 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12835 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12837 * c-typeck.c: Update copyright date.
12839 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12841 * c-typeck.c (build_c_cast): Always warn when casting
12842 from a pointer to an integer of different size, even if
12843 the node was constant.
12845 2006-01-05 Richard Guenther <rguenther@suse.de>
12847 PR tree-optimization/22555
12848 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12849 if one structure field is an array.
12850 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12851 operands even if we found a subvar, but ignore VOPs in this
12853 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12855 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12857 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12859 PR middle-end/24998
12860 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12862 2006-01-05 Richard Guenther <rguenther@suse.de>
12863 Diego Novillo <dnovillo@redhat.com>
12865 * tree-pass.h (TODO_remove_unused_locals): Define.
12866 * gimple-low.c (expand_var_p, remove_useless_vars,
12867 pass_remove_useless_vars): Remove. Update all users.
12868 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12869 (remove_unused_locals): New function.
12870 * tree-flow.h (remove_unused_locals): Declare.
12871 * passes.c (execute_todo): Call remove_unused_locals if
12872 TODO_remove_unused_locals is set.
12873 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12874 * tree-ssa-dce.c (pass_dce): Likewise.
12875 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12877 2006-01-05 Richard Guenther <rguenther@suse.de>
12879 * tree-flow.h (struct fieldoff): Decompose field to
12880 type, size and decl.
12881 * tree-ssa-alias.c (create_sft): Take type as parameter.
12882 (create_overlap_variables_for): Store type, size and decl
12883 in the fieldoff structure.
12884 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12885 of struct fieldoff.
12886 (push_fields_onto_fieldstack): Likewise.
12887 (create_variable_info_for): Likewise. Use offset for the
12888 SFT name if the decl is not available.
12890 2006-01-04 Paul Brook <paul@codesourcery.com>
12892 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12894 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12896 * lambda-code.c (can_put_in_inner_loop): Relax
12898 (can_put_after_inner_loop): New function.
12899 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12900 (perfect_nestify): Change to make copies and modify uses.
12902 2006-01-04 Richard Henderson <rth@redhat.com>
12904 Merge from gomp branch:
12905 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12906 via integer constant.
12907 (pragma_lex): Remove.
12908 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12909 rather than parsing it.
12910 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12911 handle_pragma_extern_prefix): Add %< %> quotes.
12912 (registered_pragmas): New.
12913 (c_register_pragma_1): New.
12914 (c_register_pragma): Use it.
12915 (c_register_pragma_with_expansion): Likewise.
12916 (c_invoke_pragma_handler): New.
12917 (init_pragma): Use cpp_register_deferred_pragma directly for
12919 * c-pragma.h (enum pragma_kind): New.
12920 (pragma_handler): New.
12921 (c_invoke_pragma_handler): Declare.
12922 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12924 * c-common.h (c_common_pch_pragma): Update decl.
12925 * Makefile.in (c-parser.o): Update dependencies.
12926 (GTFILES): Add c-pragma.h.
12927 * c-parser.c (struct c_token): Add pragma_kind.
12928 (struct c_parser): Add in_pragma.
12929 (c_lex_one_token): Always initialize keyword and pragma_kind.
12930 Extract data for CPP_PRAGMA.
12931 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12932 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12933 Don't allow CPP_PRAGMA_EOL if in_pragma.
12934 (c_parser_consume_pragma): New.
12935 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12936 (c_parser_skip_to_end_of_parameter): Likewise.
12937 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12938 (c_parser_skip_to_pragma_eol): New.
12939 (c_parser_external_declaration): Handle CPP_PRAGMA.
12940 (c_parser_compound_statement_nostart): Likewise.
12941 (c_parser_statement_after_labels): Likewise.
12942 (c_parser_pragma): New.
12943 (pragma_lex): Likewise.
12944 (c_parser_pragma_pch_preprocess): New.
12945 (c_parser_new): Merge into ...
12946 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12948 2006-01-04 Jeff Law <law@redhat.com>
12951 * tree-cfg.c (bsi_replace): Remove the original statement
12952 from the EH throw statement table.
12954 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12956 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12957 make the prototype extern "C" and add throw ().
12960 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12961 and pos non-negative and pos + len <= 32.
12962 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12963 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12964 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12967 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12968 as well as sizes not multiple of component size.
12971 * function.c (instantiate_expr): New function.
12972 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12973 walk its DECL_VALUE_EXPR with instantiate_expr.
12975 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12976 DW_OP_deref{,_size} if address isn't going to be added.
12978 2006-01-04 Ben Elliston <bje@au.ibm.com>
12980 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12981 * config/fp-bit.c: Likewise.
12983 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12985 * dominance.c: Add comment about why we use DFS numbering
12988 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12989 Richard Henderson <rth@redhat.com>
12991 Merge from gomp-branch:
12992 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12993 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12995 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12997 PR rtl-optimization/25578
12998 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12999 pass a parameter to simplify_shift_const if changing ASHIFTRT
13002 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13004 * builtins.c (get_builtin_sync_mem): New function.
13005 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13006 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13007 Call get_builtin_sync_mem to generate mem rtx.
13009 2006-01-03 Richard Guenther <rguenther@suse.de>
13012 * stmt.c (add_case_node): Make sure to clear overflow flags
13015 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13017 Merge from gomp-branch.
13018 * config/sparc/sync.md: New file.
13019 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13020 UNSPECV_LDSTUB): New constants.
13021 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13022 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13023 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13026 2006-01-03 Roger Sayle <roger@eyesopen.com>
13028 * combine.c (reg_subword_p): New predicate to test whether the
13029 destination of a set refers to a subword/piece of a register.
13030 (try_combine): Generalize the code to merge the setting of a
13031 pseudo to a constant followed by a set of a subword of that
13032 register to a constant.
13034 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13036 * basic-block.h (control_flow_graph): Change the type of
13037 x_label_to_block_map to VEC(basic_block,gc) *.
13038 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13039 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13041 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13042 VEC(basic_block,heap) *.
13043 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13044 ssa_prop_fini): Adjust the uses of cfg_blocks.
13046 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13048 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13050 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13051 hashing trees instead of a pointer hash.
13052 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13053 compare for MEM_EXPR.
13055 PR rtl-optimization/25130
13056 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13057 when comparing MEMs for GCSE
13059 2006-01-03 Ben Elliston <bje@au.ibm.com>
13061 * targhooks.h (default_decimal_float_supported_p): Declare.
13062 * targhooks.c (default_decimal_float_supported_p): Define.
13063 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13064 `default_decimal_float_supported_p'.
13065 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13067 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13069 * combine.c (apply_distributive_law <SUBREG>): Check
13070 TRULY_NOOP_TRUNCATION.
13072 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13074 * dwarf2out.c (have_switched_text_section): Delete.
13075 (have_multiple_function_sections): New.
13076 (have_location_lists): Make 'bool'.
13077 (add_AT_loc_list): Use 'true' not '1'.
13078 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13079 (output_loc_list): Use have_multiple_function_sections.
13080 (output_ranges): Likewise.
13081 (dwarf2out_begin_function): Set have_multiple_function_sections if
13083 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13084 Check function_section rather than DECL_SECTION_NAME.
13085 (dwarf2out_finish): Use have_multiple_function_sections.
13086 Don't clear have_location_lists.
13088 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13089 Jan Hubicka <jh@suse.cz>
13091 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13092 case of conditional jump jumping to the next instruction.
13093 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13094 cases of conditional jump jumping to the next instruction.
13096 2006-01-02 Jan Hubicka <jh@suse.cz>
13098 * i386.c (*_cost): Add COSTS_N_INSNS.
13099 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13101 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13104 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13106 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13108 * config/arm/arm.c (all_fpus): Fix comment typo.
13109 * config/darwin.c: Likewise.
13110 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13111 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13112 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13114 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13116 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13117 (rs6000_split_compare_and_swapqhi): New.
13118 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13119 (sync_compare_and_swapqhi_internal): New.
13120 * config/rs6000/rs6000-protos.h: Declare.