1 2006-07-08 Paul Brook <paul@codesourcery.com>
4 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6 2006-07-07 Richard Guenther <rguenther@suse.de>
9 * tree.h (build_one_cst): Declare.
10 * tree.c (build_one_cst): New function.
11 * tree-ssa-math-opts.c (get_constant_one): Remove.
12 (insert_reciprocals): Use build_one_cst.
13 * fold-const.c (fold_plusminus_mult): Likewise.
15 2006-07-07 Roger Sayle <roger@eyesopen.com>
17 * pointer-set.c (pointer_set_destroy): Correct whitespace.
18 * cfgloopanal.c (dump_graph): Likewise.
19 * dojump.c (discard_pending_stack_adjust): Likewise.
20 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
22 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
23 * function.c (finalize_block_changes): Likewise.
24 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
25 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
26 * rtl.c (dump_rtx_statistics): Likewise.
27 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
29 * varray.c (dump_varray_statistics): Likewise.
30 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
31 decode_decimal64, encode_decimal128, decode_decimal128,
32 decimal_real_to_decimal): Likewise.
34 2006-07-07 Richard Guenther <rguenther@suse.de>
36 PR tree-optimization/28187
37 * tree-vrp.c (vrp_operand_equal_p): New function.
38 (vrp_bitmap_equal_p): Likewise.
39 (update_value_range): Use them to compare old and new
42 2006-07-06 Roger Sayle <roger@eyesopen.com>
44 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
45 a default case to switch statement to silence compiler warnings.
47 2006-07-06 Roger Sayle <roger@eyesopen.com>
50 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
51 the configured assembler supports the x87's ffreep mnemonic.
52 * configure: Regenerate.
53 * config.in: Regenerate.
55 * config/i386/i386.c (output_387_ffreep): New function.
56 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
57 (output_387_reg_move): Likewise.
59 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
61 Port to hosts whose 'sort' and 'tail' implementations
62 treat operands with leading '+' as file names, as POSIX
63 has required since 2001. However, make sure the code still
64 works on pre-POSIX hosts.
65 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
66 which says you should use "tail -c +N" rather than "tail +Nc".
67 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
69 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
71 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
74 2006-07-06 David Edelsohn <edelsohn@gnu.org>
77 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
78 PRE_{INC,DEC} of TFmode.
80 2006-07-06 David Edelsohn <edelsohn@gnu.org>
81 Alan Modra <amodra@bigpond.net.au>
84 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
87 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
90 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
93 2006-07-05 Jason Merrill <jason@redhat.com>
97 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
98 * c-common.c (handle_packed_attribute): So don't copy it here.
99 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
101 2006-07-05 Mike Stump <mrs@apple.com>
103 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
105 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
108 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
110 2006-07-05 Richard Guenther <rguenther@suse.de>
113 * config/i386/i386.md (*negdf2_1): Restrict pattern to
114 TARGET_SSE2 targets if using SSE math.
115 (*absdf2_1): Likewise.
117 2006-07-05 Richard Guenther <rguenther@suse.de>
119 PR tree-optimization/28162
120 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
121 make sure to convert the operands to the correct type.
123 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
125 PR tree-optimization/28218
127 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
128 to calculate and free the dominator information.
130 2006-07-04 Peter O'Gorman <peter@pogma.com>
132 * mklibgcc.in: chmod 644 before ranlib during install.
134 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
135 J"orn Rennecke <joern.rennecke@st.com>
137 * configure.ac (.eh_frame data check): Use diff -b.
139 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
142 * Makefile.in (BUILD_RTL): Add build/vec.o.
143 (build/gencondmd.o): Filter out -fkeep-inline-functions.
144 (build/genextract): Delete.
145 (build/genautomata): Likewise.
147 2006-07-04 Alan Modra <amodra@bigpond.net.au>
150 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
151 128-bit IBM long doubles for ABI_V4.
153 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
155 * tree.c (range_in_array_bounds_p): New predicate.
156 * tree.h (range_in_array_bounds_p): Declare it.
157 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
158 return a less conservative answer.
159 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
161 (IS_ELEMENT_FOR_GROUP): New macro.
162 (FOR_EACH_ACTUAL_CHILD): Likewise.
163 (next_child_for_group): New helper function.
164 (can_completely_scalarize_p): Take into account groups.
165 (sra_hash_tree): Handle RANGE_EXPR.
166 (sra_elt_eq): Likewise.
167 (lookup_element): Be prepared for handling groups.
168 (is_valid_const_index): Delete.
169 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
170 instead of is_valid_const_index.
171 <ARRAY_RANGE_REF>: New case.
172 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
173 is_valid_const_index.
174 <ARRAY_RANGE_REF>: Do not unconditionally punt.
175 (scan_dump): Dump info for groups too.
176 (decide_instantiation_1): Likewise.
177 (decide_block_copy): Assert that the element is not a group.
178 Propagate decision to groups.
179 (generate_one_element_ref): Handle RANGE_EXPR.
180 (mark_no_warning): Iterate over actual childs.
181 (generate_copy_inout): Likewise.
182 (generate_element_copy): Likewise.
183 (generate_element_zero): Likewise.
184 (generate_element_init_1): Likewise.
185 (dump_sra_elt_name): Handle RANGE_EXPR.
187 2006-07-03 Roger Sayle <roger@eyesopen.com>
189 PR tree-optimization/26251
190 * tree-ssa-threadupdate.c (redirection_block_p): New function.
191 (thread_block): When optimizing for size refuse to thread jumps
192 that would require duplication of blocks other than redirection
195 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
197 * configure.ac: Fix thinko in previous check-in.
198 * configure: Regenerate.
200 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
203 * configure.ac (for lang...): Simplify nesting of conditionals.
204 Test subdir_requires for non-enabled languages. Move processing
205 of lang_opt_files and lang_tree_fiels below that test.
206 * configure: Regenerate.
207 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
209 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
211 * doc/gcov.texi (Invoking Gcov): Add a missing word.
213 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
215 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
218 2006-06-29 Jason Merrill <jason@redhat.com>
225 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
226 * c-common.c (c_determine_visibility): Handle it here.
227 * c-decl.c (finish_decl): Call c_determine_visibility for
229 * flags.h (enum symbol_visibility): Sort from most to least visibility.
231 * varasm.c (default_assemble_visibility): Likewise.
232 * c-common.c (handle_visibility_attribute): Complain about trying
233 to give visibility to an already defined class, or trying to change
234 declared visibility. Always attach the attribute.
239 * attribs.c (decl_attributes): Ignore type-in-place attributes
240 once the type has been defined.
242 2006-06-29 Roger Sayle <roger@eyesopen.com>
245 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
246 to indicate the cpplib has issued an error message for us.
248 2006-06-29 Asher Langton <langton2@llnl.gov>
251 * config/i386/i386.c (ix86_output_function_epilogue): Don't
252 insert a label at the end of an function under Mach-O.
254 2006-06-29 Eric Christopher <echristo@apple.com>
255 Evan Cheng <evan.cheng@apple.com>
257 * predicates.md (vector_all_ones_operand): New.
258 (nonimmediate_or_sse_const_operand): Ditto.
259 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
260 * config/i386/i386.c (standard_sse_constant_opcode): Define.
261 (standard_sse_mode_p): Ditto.
262 (standard_sse_constant_p): Add case for -1 vector.
263 (ix86_expand_vector_move): Try to use.
264 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
265 Call standard_sse_constant_opcode.
266 (*movv4sf_internal): Ditto.
267 (*movv2df_internal): Ditto.
269 2006-06-29 Roger Sayle <roger@eyesopen.com>
271 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
272 of XEXP to extract the operands of a MATCH_CODE rtx.
274 2006-06-28 Andrew Pinski <pinskia@gmail.com>
276 * tree.c (tree_size): Do not waste tail padding in
277 struct tree_string and make the size be the same as
278 build_string will generate.
280 2006-06-28 Jason Merrill <jason@redhat.com>
283 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
284 may_aliases already in the tag's annotations to the bitmap.
286 2006-06-28 Roger Sayle <roger@eyesopen.com>
288 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
290 2006-06-28 Roger Sayle <roger@eyesopen.com>
292 * genpreds.c (generate_switch_p): New function.
293 (add_mode_tests): Push the new mode test down inside an AND expr
294 if this allows the switch-suitable MATCH_CODE to be near the root.
295 (write_match_code_switch): New function to write a MATCH_CODE as
297 (write_predicate_stmts): New function to write a predicate RTX
298 expression as a sequence of statements.
299 (write_one_predicate_function): Use write_predicate_stmts.
300 (write_tm_constrs_h): Likewise.
302 2006-06-26 Fred Fish <fnf@specifix.com>
304 * config/mips/t-sb1: New file.
305 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
308 2006-06-26 DJ Delorie <dj@redhat.com>
310 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
312 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
313 Jayant Sonar <jayants@kpitcummins.com>
314 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
316 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
317 (subsi3, subsi3_1, subsi3_2): New.
318 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
319 * config/m32c/mov.md (SI mov peephole): New.
320 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
321 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
323 2006-06-26 Olivier Hainque <hainque@adacore.com>
325 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
326 a CALL_EXPR target function declaration.
328 2006-06-26 Richard Guenther <rguenther@suse.de>
330 * tree.c (build_string): Do not waste tail padding in
333 2006-06-26 Richard Guenther <rguenther@suse.de>
335 * ggc-page.c (init_ggc): Add missing element to size_lookup
339 2006-06-23 Richard Guenther <rguenther@suse.de>
341 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
342 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
343 alignment requests instead. Add verification code.
344 Add struct tree_function_decl and struct tree_binfo size to
345 extra_order_size_table. Add missing element to size_lookup
348 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
351 * fold-const.c (const_binop): Be prepared for self returning zero.
352 Simplify code handling complex values.
354 2006-06-24 Olivier Hainque <hainque@adacore.com>
356 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
357 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
360 2006-06-24 Olivier Hainque <hainque@adacore.com>
362 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
363 ARRAY_REF, so have the callback called for the low bound expression.
365 2006-06-23 Janis Johnson <janis187@us.ibm.com>
367 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
368 * c-typeck.c (c_common_type): Disallow operations on decimal float
369 types and other float types.
370 * convert.c (convert_to_real): Don't ignore conversions involving
373 2006-06-23 Olivier Hainque <hainque@adacore.com>
375 * tree.c (max_int_size_in_bytes): New function, inspired from
376 code in function.c:assign_temp.
377 * tree.h (max_int_size_in_bytes): Declare.
378 * function.c (assign_temp): Use it.
379 * gimplify.c (create_tmp_var): Relax the assertions on the type
380 properties, not mandating constant size any more.
381 (force_constant_size): New static function.
382 (gimple_add_tmp_var): Use it, forcing variable size to a
383 constant upper bound if it is not constant on entry.
385 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
388 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
389 for initialization and setting of one_only flag to ...
390 (i386_pe_encode_section_info): ...here.
391 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
392 Recheck that the symbol has not been defined.
394 2006-06-23 Richard Guenther <rguenther@suse.de>
396 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
397 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
398 alignment requests instead. Add verification code.
399 Add struct tree_function_decl and struct tree_binfo size to
400 extra_order_size_table. Add missing element to size_lookup
403 2006-06-22 Roger Sayle <roger@eyesopen.com>
404 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
407 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
408 call to lang_hooks.types.type_for_mode returned NULL_TREE.
410 2006-06-23 Ben Elliston <bje@au.ibm.com>
412 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
413 negate dn -- manipulate it directly.
415 2006-06-22 Roger Sayle <roger@eyesopen.com>
416 Steven Bosscher <stevenb.gcc@gmail.com>
419 * reload1.c (gen_reload): Call mark_jump_label on the new insns
420 generated by gen_move_insn to add REG_LABEL notes if necessary.
422 2006-06-22 Bob Wilson <bob.wilson@acm.org>
424 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
425 (leaf_entry): Remove use of MIN_ESA.
427 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
429 PR rtl-optimization/28121
430 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
433 2006-06-21 DJ Delorie <dj@redhat.com>
435 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
437 (mulhisi3_r): Likewise.
439 2006-06-21 Richard Sandiford <richard@codesourcery.com>
442 * coverage.c (coverage_counter_alloc): Leave the index type
444 (coverage_counter_alloc): Use null arguments for operands 2 and 3
447 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
449 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
450 section from the "Options for Code Generation Conventions".
452 2006-06-21 Richard Henderson <rth@redhat.com>
456 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
458 (global_symbolic_operand): Allow weak symbols, even if local_p.
460 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
462 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
463 (find_interesting_uses_address): Punt if above function returns true.
465 2006-06-21 Richard Guenther <rguenther@suse.de>
467 * configure: Regenerated.
469 2006-06-21 Joseph Myers <joseph@codesourcery.com>
471 * config/mips/mips.c (function_arg): Where one part of a
472 complex argument is in registers and the other part in the stack,
473 return a REG not a PARALLEL.
475 2006-06-21 Mark Mitchell <mark@codesourcery.com>
477 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
478 when cross-compiling. Do not substitute libstdcxx_incdir.
479 * configure: Regenerated.
481 2006-06-21 Jakub Jelinek <jakub@redhat.com>
483 * varasm.c (mergeable_string_section): Check for embedded NULs and
484 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
485 rather than TREE_STRING_LENGTH bytes.
487 2006-06-21 Richard Guenther <rguenther@suse.de>
489 * ggc-page.c (extra_order_size_table): Add var_ann_d,
490 tree_ssa_name, bitmap_element and phi_node with 4 arguments
493 2006-06-21 Richrad Guenther <rguenther@suse.de>
495 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
496 Limit iteration over the dominators.
498 2006-06-20 Roger Sayle <roger@eyesopen.com>
500 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
501 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
503 2006-06-20 Richard Guenther <rguenther@suse.de>
504 Michael Matz <matz@suse.de>
506 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
508 * alloc-pool.c (free_alloc_pool_if_empty): New function.
509 * et-forest.h (et_free_pools): Prototype new function.
510 * et-forest.c (et_free_tree_force): Free parent occurrence.
511 (et_free_pools): New function.
512 * dominance.c (free_dominance_info): Free et-forest alloc
515 2006-06-20 Roger Sayle <roger@eyesopen.com>
517 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
518 integer modes, attempt to directly construct an integer constant.
520 * fold-const.c (native_encode_vector): Determine the size of each
521 element from the vector type instead of the first vector element.
523 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
524 if all of its elements/components are constant.
525 (build_constructor_from_list): Likewise.
527 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
529 PR tree-optimization/27331
530 * tree-data-ref.c (free_data_ref): New function.
531 (create_data_ref): Fail if the data reference has unknown access
533 (free_data_refs): Use free_data_ref.
535 2006-06-19 Andrew Pinski <pinskia@gmail.com>
538 * tree-inline.c (setup_one_parameter): Strip useless
539 type conversion before adding it to the IR.
540 (declare_return_variable): Likewise.
542 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
545 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
547 2006-06-19 Mike Stump <mrs@apple.com>
549 * tree.c (variably_modified_type_p): VM arguments don't make the
552 2006-06-19 Richard Guenther <rguenther@suse.de>
554 * tree-ssa-pre.c (try_combine_conversion): Strip useless
555 type conversions after folding.
557 2006-06-19 Richard Guenther <rguenther@suse.de>
559 * ggc-page.c (extra_order_size_tab): Add entries with
560 size of struct function and basic_block.
561 (size_lookup): Extend to cover sizes up to 511.
562 (ggc_alloc_stat): Adjust user.
563 (ggc_pch_count_object): Likewise.
564 (ggc_pch_alloc_object): Likewise.
565 (ggc_pch_write_object): Likewise.
567 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
569 * tree-ssa-loop-niter.c (implies_ge_p): New function.
570 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
573 2006-06-19 Denis Chertykov <denisc@overta.ru>
575 * config/avr/libgcc.S : Correct my wrong previous commit.
577 2006-06-19 Roger Sayle <roger@eyesopen.com>
580 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
581 have stripped a SUBREG from the shift count, so we may need to
582 convert_to_mode back to the type's mode before calling make_tree.
583 Use new_amount instead of amount to avoid expanding a tree twice.
585 2006-06-19 Richard Guenther <rguenther@suse.de>
588 * fold-const.c (operand_equal_p): Check if the argument types
589 have the same precision before stripping NOPs.
591 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
593 Fix PR tree-optimization/27341
594 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
596 * tree-complex.c (pass_lower_complex): Update SMT usage.
598 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
600 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
601 Add a new alternative to the constraint strings. Add move of
602 operand 1 to 3 to the splitter definition.
603 ("doloop_si_long"): Second contraint alternative removed.
605 2006-06-08 Anatoly Sokolov <aesok@post.ru>
607 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
608 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
610 (AVR_HAVE_MOVW) Define.
611 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
612 (ASM_SPEC): Add avr25.
613 (LINK_SPEC): Add avr25.
614 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
615 (base_arch_s): Add new member 'have_movw_lpmx'.
616 (avr_arch_types): Init 'have_movw_lpmx'.
617 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
618 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
619 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
620 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
621 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
623 (avr_file_start): Do not output '.arh' derective.
624 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
625 (__do_copy_data): Use __AVR_HAVE_LPMX__.
626 * config/avr/avr.md (mcu_enhanced): Delete.
627 (mcu_have_movw): Define.
628 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
629 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
630 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
631 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
632 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
633 attiny861 and at86rf401 devices.
635 2006-06-18 Jie Zhang <jie.zhang@analog.com>
637 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
640 2006-06-17 Karl Berry <karl@gnu.org>
642 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
643 doc/gccint.texi, doc/install.texi (@dircategory): Use
644 "Software development" instead of "Programming", following
645 the Free Software Directory.
647 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
649 * config/i386/i386.c (legitimate_tls_address)
650 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
651 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
652 (*tls_dynamic_gnu2_combine_64): Likewise.
654 2006-06-16 Richard Guenther <rguenther@suse.de>
657 * fold-const.c (negate_expr_p): Do not introduce undefined
658 overflow in negating INTEGER_CSTs.
659 (fold_negate_expr): Rename from negate_expr. Revert last
660 change for folding BIT_NOT_EXPR. Change semantics to
661 return NULL_TREE for non-simplified negations. Do not
662 strip type conversions and unify type handling.
663 (negate_expr): New function, wrap around fold_negate_expr
664 but ensure building a tree always. Strip type conversions
665 here, fold to result type.
666 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
668 2006-06-16 Roger Sayle <roger@eyesopen.com>
671 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
672 that (would) return their results in stack registers.
674 2006-06-16 Michael Matz <matz@suse.de>
675 Richard Guenther <rguenther@suse.de>
677 * fold-const.c (fold_truthop): Only return new tree node if
678 we canonicalized something.
680 2006-06-16 Richard Guenther <rguenther@suse.de>
682 * function.h (enum function_frequency): Move declaration
683 out of struct function.
684 (struct function): Move bool fields and the enum to the bitfield
685 section. Reorder elements to avoid padding. Remove unused
686 fields left over from the RTL inliner removal.
687 * function.c (free_after_compilation): Do not zero removed fields.
688 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
689 (ipa-type-escape.o): Likewise.
691 2006-06-16 Richard Guenther <rguenther@suse.de>
693 * cgraph.h (struct cgraph_local_info): Turn bool elements
695 (struct cgraph_node): Likewise.
696 (struct cgraph_varpool_node): Likewise.
698 2006-06-15 Richard Guenther <rguenther@suse.de>
700 * fold-const.c (fold_truth_not_expr): Rename from
701 invert_truthvalue. Give it fold_* semantics to avoid
703 (invert_truthvalue): New function. Wrapper around
705 (optimize_minmax_comparison): Avoid creating garbage.
706 (fold_unary): Use fold_truth_not_expr for folding
708 (fold_ternary): Replace uses of invert_truthvalue with
709 fold_truth_not_expr where applicable.
710 * tree.h (fold_truth_not_expr): Prototype.
712 2006-06-16 Richard Guenther <rguenther@suse.de>
714 PR tree-optimization/27781
715 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
716 * ipa-pure-const.c (target.h): Include.
717 (analyze_function): Do not analyze functions that do not
720 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
723 * tree-dfa.c (referenced_vars_dup_list): Remove.
724 (find_referenced_vars): Remove assert.
725 (referenced_var_check_and_insert): Replace dup list with assert.
726 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
727 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
729 2006-06-15 Richard Guenther <rguenther@suse.de>
731 * tree-ssa-structalias.c (alias_get_name): Avoid creating
732 extra unused identifiers if not dumping.
733 (create_variable_info_for): Likewise.
735 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
737 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
738 (derive_constant_upper_bound): Derive more precise upper bound in
739 common cases. Return type changed to double_int.
740 (record_estimate): Reflect the changed return type of
741 derive_constant_upper_bound.
742 * double-int.c (double_int_zext, double_int_sext): Fix.
744 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
746 * configure.ac (CFLAGS): Get them from the toplevel or from the
747 configure invocation.
748 * configure: Regenerate.
749 * Makefile.in (CFLAGS): Substitute value provided by configure.
751 2006-06-14 Mark Mitchell <mark@codesourcery.com>
754 * c-common.h (c_finish_omp_atomic): Adjust declaration.
755 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
756 rather than calling add_stmt on it.
757 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
759 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
762 * reload1.c (reload): Remove registers returned by update_eliminables
763 from used_spill_regs.
765 2006-06-13 DJ Delorie <dj@redhat.com>
767 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
769 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
771 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
772 html__strip_dir, html__mkdir_p. Enhance install-html target.
773 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
774 * configure: Regenerate.
776 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
778 * fold-const.c (fold_cond_expr_with_comparison): Check for
779 Objective-C++ as language in deciding COND_EXPR transformation.
781 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
784 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
785 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
786 * config/sh/lib1funcs.h (SL, SL1): Define.
787 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
788 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
789 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
790 (OBJS_Os_4_200): New variable.
791 ($(T)libgcc-Os-4-200.a): Use it.
792 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
793 when dividing 1 and/or by 0.
795 2006-06-13 Roger Sayle <roger@eyesopen.com>
797 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
798 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
799 * configure: Regenerate.
801 2006-06-13 Jie Zhang <jie.zhang@analog.com>
803 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
804 for real instruction.
806 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
809 * haifa-sched.c (check_cfg): Handle special case.
811 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
814 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
815 Add debug_info parameter. Chain the vars to the BLOCK instead
816 of the BIND_EXPR if debug info are requested for them.
817 (pop_gimplify_context): Adjust for above change.
818 (gimple_add_tmp_var): Likewise.
819 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
821 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
822 (convert_local_reference): Likewise.
823 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
824 (finalize_nesting_tree_1): Request that debug info be emitted
827 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
829 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
832 2006-06-13 Richard Guenther <rguenther@suse.de>
835 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
837 2006-06-13 Richard Guenther <rguenther@suse.de>
839 PR tree-optimization/27830
840 * tree-inline.c (copy_body_r): For copying the operand
841 of an ADDR_EXPR make sure to fold &* afterwards.
843 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
845 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
846 lvalues in the fb_none case with side-effects.
848 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
850 * tree-flow.h: Remove the prototype for
851 compute_phi_arg_on_exit.
852 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
853 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
856 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
858 * builtins.c (expand_builtin_return_addr): Only use
859 frame_pointer_rtx when count == 0 and we are expanding
860 __builtin_return_address.
862 2006-06-12 Fred Fish <fnf@specifix.com>
864 * config/mips/mips.c (mips_file_start): Create special section
865 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
867 2006-06-11 Eric Christopher <echristo@apple.com>
870 * stor-layout.c (place_field): Remove check for
871 remaining_in_alignment when aligning at the end of a run.
873 2006-06-11 Eric Christopher <echristo@apple.com>
876 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
879 2006-06-11 Roger Sayle <roger@eyesopen.com>
882 Revert incorrect fix for PR target/27158
883 2006-05-08 Roger Sayle <roger@eyesopen.com>
884 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
885 of a reg_equiv_constant if the result is a legitimate constant.
887 2006-06-11 Roger Sayle <roger@eyesopen.com>
890 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
891 extract a CONST_VECTOR element and interpret it as an integer.
892 (vspltis_constant): Use const_vector_elt_as_int instead of the
893 macro CONST_VECTOR_ELT in order to handle FP vector modes.
894 * config/rs6000/predicates.md (easy_vector_const): Consider
895 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
897 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
900 * stor-layout.c (update_alignment_for_field): Don't add extra
901 alignment for packed non-bitfield fields in ms_bitfield_layout_p
904 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
906 * config/mips/t-rtems: Add EL/EB multilib variants.
908 2006-06-09 Mike Stump <mrs@apple.com>
910 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
912 2006-06-09 David Daney <ddaney@avtrex.com>
914 * doc/install.texi: Add binutils version recommendation for mips-*-*.
916 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
918 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
920 2006-06-09 Richard Guenther <rguenther@suse.de>
922 PR tree-optimization/26998
923 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
924 of signed types, only TYPE_MIN_VALUE is special, but for both,
925 minimum and maximum value. Likewise VR_ANTI_RANGE is special
926 in this case, as is -fwrapv.
928 2006-06-08 Mike Stump <mrs@apple.com>
931 * config/darwin.c (darwin_asm_output_anchor): Disable
932 -fsection-anchors on darwin for now.
933 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
934 * rs6000/rs6000.c (optimization_options): Likewise.
936 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
939 * config/i386/i386.c (classify_argument): Skip fields with invalid
942 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
944 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
945 (cse_insn): Likewise for the stack_pointer_rtx.
947 2006-06-08 Roger Sayle <roger@eyesopen.com>
949 * tree-ssa-dom.c (record_conditions): Only record "unordered"
950 conditions from floating point comparisons.
952 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
955 * expmed.c (struct alg_hash_entry): Fix type of field T
956 to match synth_mult argument.
957 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
959 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
962 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
965 2006-06-08 Richard Guenther <rguenther@suse.de>
968 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
969 only, if overflow is defined and not trapping.
970 (negate_expr): Likewise.
972 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
974 PR tree-optimization/27872
975 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
976 flag on the new exit edge of the unrolled loop.
978 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
980 PR rtl-optimization/26449
981 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
983 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
986 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
987 referenced_variables with matching DECL_UID's.
988 (find_referenced_vars): Make sure duplicate list is empty to start.
989 (referenced_var_p): Remove.
990 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
991 Check if var is in the list, and add if needed. Update the duplicate
992 list if a different var is in the list with the same DECL_UID.
993 (add_referenced_var): Call routine to check and insert.
994 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
995 * tree-flow.h (referenced_vars_dup_list): External declaration.
997 2006-06-07 Fred Fish <fnf@specifix.com>
999 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1002 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1005 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1006 the imaginary and real parts of a clobbered register.
1007 Emit insn to set the imaginary part.
1009 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1011 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1012 in lieu of unwind-dw2-fde.c.
1014 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1016 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1018 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1021 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1022 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1023 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1024 V4SImode temporaries and operations instead.
1026 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1028 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1031 2006-06-06 Mike Stump <mrs@apple.com>
1033 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1034 installing during build.
1036 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1038 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1040 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1041 * config/ia64/ia64.c (params.h): New header.
1042 (ia64_optimization_options): New function to adjust parameters.
1043 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1044 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1045 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1047 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1049 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1051 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1054 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1056 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1057 Victor Kaplansky <victork@il.ibm.com>
1059 PR tree-optimization/26360
1060 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1063 2006-06-04 Roger Sayle <roger@eyesopen.com>
1064 Andrew Pinski <pinskia@physics.uc.edu>
1067 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1068 for LABEL_DECL before calling DECL_WEAK.
1071 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1072 LABEL_DECL and PARM_DECL.
1074 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1078 * c-decl.c (grokdeclarator): Disallow variably modified types at
1079 file scope. Avoid marking shared array type of constant size as
1082 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1085 * c-common.c (fold_offsetof_1): Handle static members.
1087 2006-06-04 Eric Christopher <echristo@apple.com>
1089 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1090 (debug_rli): Output value for remaining_in_alignment.
1091 (update_alignment_for_field): Unconditionalize
1092 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1093 extra alignment code.
1094 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1095 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1096 * tree.h (record_layout_info_s): Remove prev_packed.
1097 * doc/extend.texi (ms_struct): Add documentation of format.
1099 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1101 * tree.h: Declare folding_initializer.
1102 * builtins.c (fold_builtin_constant_p): Give definite answer
1103 if folding inside an initializer.
1104 * fold-const.c: Define folding_initializer.
1105 (START_FOLD_INIT): Save and then set folding_initializer.
1106 (END_FOLD_INIT): Restore folding_initializer.
1108 2006-06-04 Richard Guenther <rguenther@suse.de>
1110 PR tree-optimization/27039
1111 * fold-const.c (fold_comparison): Handle pointer comparison
1112 again for all comparison codes. Compare offsets in signed
1114 (fold_binary): Move code from here.
1116 2006-06-03 Roger Sayle <roger@eyesopen.com>
1119 * config/i386/i386.c (construct_container): Split static issued_error
1120 flag into issued_sse_arg_error, issued_sse_ret_error and
1121 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1122 requires the use of x87 registers and the user explicitly
1123 specified the -mno-80387 command line option.
1125 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1127 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1128 HAVE_DECL_SIGALTSTACK.
1130 (segv_handler): Use MC_FLD.
1131 * configure.ac: Check for a sigaltstack declaration.
1132 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1133 * configure: Regenerate.
1134 * config.in: Regenerate.
1136 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1139 * Makefile.in (stmp-fixinc): Fix typo.
1141 2006-06-02 Roger Sayle <roger@eyesopen.com>
1143 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1144 are type correct. Clean-up.
1145 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1146 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1148 2006-06-01 DJ Delorie <dj@redhat.com>
1150 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1151 shift, as we've disabled the "switch" insn that needs it.
1153 2006-06-01 Per Bothner <bothner@bothner.com>
1155 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1156 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1157 * c-ppoutput.c (cb_define): Don't increment line 0.
1159 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1161 * doc/invoke.texi: Add cpu_type power6.
1162 * config.gcc: Add cpu_type power6.
1163 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1164 to power5+ with Altivec.
1165 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1166 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1168 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1170 * config/avr/avr.h (SET_ASM_OP): Define.
1172 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1174 * config/bfin/bfin.c: Fix comment typos.
1176 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1179 * doc/install.texi: Document --enable-bootstrap and
1180 --disable-bootstrap.
1182 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1184 * doc/install.texi: Document that InfoZIP can replace jar.
1186 2006-05-31 Roger Sayle <roger@eyesopen.com>
1188 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1189 isn't available, directly generate the simpler x87 patterns without
1190 the (use (const_int 0)).
1191 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1192 implementation isn't available.
1193 (*negdf2_1): Likewise.
1194 (*negxf2_1): XF mode negation is always done using the x87.
1195 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1197 2006-05-31 Roger Sayle <roger@eyesopen.com>
1199 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1200 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1202 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1204 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1206 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1207 * config/bfin/bfin.c (basic-block.h): Include.
1208 (struct machine_function): New.
1209 (bfin_init_machine_status): New.
1210 (override_options): Initialize init_machine_status.
1211 (bfin_hardware_loop): New.
1212 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1213 (DEF_VEC_P (loop_info)): New.
1214 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1215 (struct loop_info): New.
1216 (loop_info): New typedef.
1217 (struct loop_work): New.
1218 (loop_work): New typedef.
1219 (DEF_VEC_O (loop_work)): New.
1220 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1221 (bfin_dump_loops): New.
1222 (bfin_bb_in_loop): New.
1223 (bfin_scan_loop): New.
1224 (bfin_optimize_loop): New.
1225 (bfin_reorg_loops): New.
1226 (bfin_reorg): Use bfin_reorg_loops.
1227 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1229 (I_REGNO_P): Simplify.
1230 (DP_REGNO_P, DPREG_P): New macros.
1231 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1232 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1233 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1234 Add LT_REGS, LC_REGS, LB_REGS.
1235 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1237 (REGNO_REG_CLASS): Deal with loop registers.
1238 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1240 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1241 New constants for loop registers.
1242 (UNSPEC_LSETUP_END): New.
1243 (seq_insns): New define_attr. Set it for appropriate insns.
1244 (movsi_insn): Add alternatives for move from/to
1245 loop count registers.
1246 (doloop_end): New define_expand.
1247 (loop_end): New define_insn.
1248 (define_split for bad doloop_end): New.
1249 (lsetup_with_autoinit): New define_insn.
1250 (lsetup_without_autoinit): New define_insn.
1251 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1252 * config/bfin/predicates.md (lc_register_operand): New.
1253 (lt_register_operand): New.
1254 (lb_register_operand): New.
1255 (nondp_register_operand): New.
1256 (nondp_reg_or_memory_operand): New.
1257 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1259 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1261 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1262 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1264 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1266 * Makefile.in (CATALOGS): Add po/ prefix.
1267 * configure: Regenerated.
1269 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1272 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1273 a shift operand before calling shift_op. Avoid redundant call of
1276 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1277 DJ Delorie <dj@redhat.com>
1279 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1280 we're inserting is a singlt-bit constant.
1282 2006-05-30 Roger Sayle <roger@eyesopen.com>
1284 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1285 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1287 2006-05-30 Roger Sayle <roger@eyesopen.com>
1289 PR tree-optimization/23452
1290 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1291 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1292 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1293 complex values and with -ffast-math for FP complex values.
1295 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1297 * c-common.h: Remove the prototype for yyparse.
1298 * rtl.h: Remove the prototype for init_loop.
1300 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1302 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1305 2006-05-30 Roger Sayle <roger@eyesopen.com>
1307 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1309 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1310 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1312 2006-05-30 Dirk Mueller <dmueller@suse.de>
1315 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1316 for CONSTANT_CLASS_P expresisons.
1318 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1321 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1323 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1325 PR tree-optimization/27779
1326 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1327 initial_condition instead of CHREC_LEFT.
1329 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1331 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1332 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1333 Make prototypes ISO C90.
1335 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1336 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1338 * see.c (see_analyze_one_def): Correct check.
1339 (see_get_extension_data): Check if extension is parallel.
1340 (see_get_extension_reg): Likewise.
1342 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1345 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1346 into register for (code == GTU).
1348 2006-05-29 Roger Sayle <roger@eyesopen.com>
1350 PR tree-optimization/24964
1351 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1352 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1353 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1354 abs(x)*abs(x) as x*x for scalar floating point modes.
1356 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1359 * lambda-code.c (perfect_nestify): Don't copy statements
1360 in the inner loop: move them to the inner loop header.
1362 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1365 * c-tree.texi: Document OpenMP directives and clauses.
1367 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1369 * varasm.c (globalize_decl): Fix indentation.
1371 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1374 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1375 pass_fre, pass_store_ccp, pass_copy_prop,
1376 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1377 pass_return_slot, pass_object_size, pass_lim,
1378 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1379 pass_loop_prefetch and pass_stdarg.
1381 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1383 * config/bfin/bfin.opt (mfdpic): New option.
1384 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1385 (EXTRA_MULTILIB_PARTS): Likewise.
1386 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1387 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1389 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1390 (CRT_CALL_STATIC_FUNCTION): New.
1391 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1393 (CRT_CALL_STATIC_FUNCTION): New.
1394 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1396 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1397 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1398 (initialize_trampoline): Changed to handle FD-PIC code generation.
1399 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1400 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1401 (override_options): Disallow -mid-shared-library -mfdpic combination.
1402 Can't do unaligned ops if FD-PIC.
1403 Turn off flag_pic if trying to generate non-id-shared-library
1404 non-fdpic code, since it's not supported.
1405 (bfin_assemble_integer): New function.
1406 (TARGET_ASM_INTEGER): Define.
1407 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1409 * config/bfin/crtn.s: Restore them.
1410 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1412 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1413 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1414 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1415 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1416 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1418 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1419 FDPIC_REGS and FDPIC_FPTR_REGS.
1420 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1421 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1422 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1423 (load_funcdescsi): New pattern.
1424 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1425 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1426 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1428 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1430 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1433 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1435 * tree-flow.h: Remove the prototype for add_type_alias.
1436 * tree-ssa-alias.c (add_type_alias): Remove.
1438 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1440 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1441 config/fr30/fr30.md, config/i386/i386-interix.h,
1442 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1443 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1444 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1445 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1446 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1447 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1448 Follow spelling conventions.
1449 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1450 Follow spelling conventions.
1452 2006-05-27 Richard Guenther <rguenther@suse.de>
1455 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1456 to produce a constant of value 1 of generic type.
1458 2006-05-27 Dirk Mueller <dmueller@suse.de>
1460 * cgraphunit.c (decide_is_function_needed): Fix wrong
1463 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1465 PR rtl-optimization/27661
1466 * reload.c (find_reloads): When reloading a VOIDmode constant
1467 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1468 use Pmode as mode of the reload register.
1470 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1472 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1473 is enabled at -O and above.
1475 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1478 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1481 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1484 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1485 for anonymous variables explicitly declared by front ends.
1487 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1489 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1490 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1491 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1492 ref-all pointers, run a finalization pass for them.
1493 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1494 (finalize_ref_all_pointers): New function.
1495 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1496 regular pointer type to a ref-all pointer type.
1497 (get_tmt_for): Return the special memory tag for ref-all pointers.
1499 2006-05-25 Richard Guenther <rguenther@suse.de>
1502 * fold-const.c (fold_binary): Do not look at the stripped
1503 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1505 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1507 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1508 for LT and GT if the computed range is effectively empty.
1510 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1513 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1514 mips_quad_format formats instead of ieee_single_format,
1515 ieee_double_format and ieee_quad_format formats, respectively.
1517 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1519 PR tree-optimization/27639
1520 PR tree-optimization/26719
1521 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1522 call to scev_probably_wraps_p.
1523 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1524 used_in_pointer_arithmetic_p, convert_step): Removed.
1525 (nowrap_type_p): New function.
1526 (scev_probably_wraps_p): Rewritten.
1527 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1528 chrec_convert if chrec_convert_aggressive might have been used.
1529 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1530 scev_direction): New functions.
1531 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1532 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1533 instead of convert_step.
1534 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1535 (convert_step): Declaration removed.
1536 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1538 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1540 * df-core.c: Added to header comments.
1541 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1542 df_ur_bb_info, df_urec_bb_info): Added comments.
1543 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1544 urec, ri problems): Fixed header comments.
1545 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1546 code from df_rd_transfer_function.
1548 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1550 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1551 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1552 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1554 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1556 * expr.c (undefined_operand_subword_p): New.
1557 (emit_move_multi_word): Do not generate move from undefined bits
1558 of a paradoxical subreg.
1560 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1562 PR rtl-optimization/27736
1563 * combine.c (replaced_rhs_value): New variable.
1564 (combine_instructions): Set it.
1565 (distribute_notes): When distributing a note in replaced_rhs_insn,
1566 check whether the value was used in replaced_rhs_value.
1568 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1571 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1572 add_referenced_var instead of add_referenced_tmp_var.
1573 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1574 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1576 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1577 tree_optimize_tail_calls_1): Use add_referenced_var.
1578 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1579 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1580 Use add_referenced_var.
1581 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1582 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1583 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1584 Use add_referenced_var.
1585 * tree-dfa.c (struct walk_state): Remove.
1586 (find_referenced_vars): Remove walk state and vars_found hash table.
1587 (make_rename_temp): Use add_referenced_var.
1588 (find_vars_r): Pass less parameters to add_referenced_var.
1589 (referenced_var_p): New. Is var in referenced_var hash table.
1590 (referenced_var_insert): Assert var isn't already in hash table.
1591 (add_referenced_var): Don't need walk_state parameter. Add var if it
1592 isn't already in the hash table.
1593 (add_referenced_tmp_var): Remove.
1594 (find_new_referenced_vars_1): Use add_referenced_var.
1595 * tree-ssa-pre.c (create_expression_by_pieces,
1596 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1597 Use add_referenced_var.
1598 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1599 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1600 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1602 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1603 vect_create_data_ref_ptr, vect_create_destination_var,
1604 vect_init_vector, vect_build_loop_niters,
1605 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1606 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1607 Use add_referenced_var.
1608 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1609 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1610 (add_referenced_var): Add prototype.
1611 * tree-ssa-structalias.c (get_constraint_for,
1612 intra_create_variable_infos): Use add_referenced_var.
1614 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1616 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1617 big-endian paradoxical subregs.
1618 * var-tracking.c (struct micro_operation_def): Document that,
1619 for modify micro operations, insn is the subsequent instruction.
1620 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1621 (var_reg_set, var_mem_set): ... new functions.
1622 (add_stores): Record subsequent insn.
1623 (compute_bb_dataflow): Use new functions for MO_USE.
1624 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1625 notes after the insn, and modify notes before the insn known
1626 to be the subsequent one.
1627 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1629 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1632 * config/i386/i386.c (ix86_expand_builtin): Use
1633 gen_sse3_monitor64 for TARGET_64BIT.
1635 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1637 PR rtl-optimization/26375
1638 PR rtl-optimization/26855
1639 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1641 (df_ru_bb_local_compute): Reversed statements and removed bogus
1642 comment explaining why they should be in wrong order.
1643 (df_ru_dump, df_rd_dump): Enhanced debug info.
1644 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1646 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1647 reaching uses and fixed space problem.
1649 2006-05-23 Jan Hubicka <jh@suse.cz>
1651 * cgraphunit.c (decide_is_function_needed): Also nested functions
1652 and functions declared inline can be optimized out at -O0.
1654 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1656 * doc/install.texi (Configuration): Remove reference to CrossGCC
1660 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1663 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1664 ix86_compare_emitted is non-NULL.
1666 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1669 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1672 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1674 PR rtl-optimization/25514
1675 * combine.c (replaced_rhs_insn): New variable.
1676 (combine_instructions): Set replaced_rhs_insn when trying to replace
1677 a SET_SRC with a REG_EQUAL note.
1678 (distribute_notes): Use replaced_rhs_insn when determining the live
1679 range of a REG_DEAD register.
1681 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1682 Anatoly Sokolov <aesok@post.ru>
1684 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1685 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1686 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1687 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1688 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1689 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1690 at90usb647, at90usb1286 and at90usb1287 devices.
1691 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1692 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1694 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1696 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1698 2006-05-22 Richard Guenther <rguenther@suse.de>
1701 2006-01-31 Richard Guenther <rguenther@suse.de>
1702 Paolo Bonzini <bonzini@gnu.org>
1704 * doc/install.texi (--disable-libgcc-math): Document.
1706 2006-05-22 Richard Guenther <rguenther@suse.de>
1709 2006-01-31 Richard Guenther <rguenther@suse.de>
1711 * doc/invoke.texi (-msselibm): Document.
1712 * target.h (expand_library_builtin): New target hook.
1713 * builtins.c (expand_builtin): Use expand_library_builtin.
1714 (default_expand_library_builtin): New function.
1715 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1716 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1717 (link_gcc_math_spec): Declare.
1718 (static_specs): Add link_gcc_math_spec.
1719 * expr.h (default_expand_library_builtin): Declare.
1720 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1721 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1722 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1723 * config/i386/i386.opt (msselibm): New target option.
1724 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1725 (ix86_init_sse_abi_builtins): New function.
1726 (ix86_expand_library_builtin): Likewise.
1727 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1728 (override_options): Handle error conditions wrt -msselibm.
1729 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1730 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1731 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1734 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1737 * c-common.c (self_promoting_args_p): Skip erroneous args.
1740 * c-decl.c (finish_struct): Skip erroneous fields.
1742 2006-05-22 Nick Clifton <nickc@redhat.com>
1744 * config/cris/cris.opt (march): Remove VarExists attribute.
1745 (max-stackframe=): Likewise.
1747 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1749 * doc/rtl.texi: Fix a typo.
1750 * see.c: Fix comment typos.
1752 * tree-ssa-structalias.h (alias_info): Remove num_references.
1754 2006-05-21 Mike Stump <mrs@apple.com>
1756 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1758 (darwin_pragma_options): Use BAD instead.
1759 (darwin_pragma_unused): Likewise.
1760 (darwin_pragma_ms_struct): Likewise.
1762 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1764 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1766 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1768 PR rtl-optimization/27671
1769 * simplify-rtx.c (simplify_relational_operation_1): Fix
1770 simplifications of (eq/ne (xor x y) y) and
1771 (eq/ne (xor x y) x).
1773 PR tree-optimization/26622.
1774 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1777 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1779 * tree-cfg.c: Prune whitespace.
1780 (debug_tree_cfg): Point to correct header containing the
1783 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1786 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1788 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1791 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1792 or sorry count is non zero.
1794 2006-05-20 Andreas Schwab <schwab@suse.de>
1796 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1798 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1799 Kenneth Zadeck <zadeck@naturalbridge.com>
1801 PR rtl-optimization/26855
1803 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1805 (df_scan_alloc): Added code to properly handle multiword hard
1806 registers and add all_blocks parameter.
1807 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1808 code to properly handle multiword hard registers.
1809 (df_rescan_blocks): Added code to remove deleted blocks from
1811 (df_ref_create_structure, df_ref_record): Added code to properly
1813 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1814 and set DF_REF_PARTIAL.
1815 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1816 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1817 (df_scan_add_problem): Added flags parameter.
1818 (df_ref_create_structure): Changed switching structure.
1819 (df_bb_refs_record): Fixed case where duplicate artificial refs
1820 were created. Changed location of flags.
1821 (df_record_entry_block_defs): Added code to make stack pointer
1822 live in entry block. Refined cases where frame pointer is needed.
1823 Changed location of flags.
1824 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1825 (df_set_state): Removed function.
1826 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1827 df_insn_create_insn_record, df_insn_refs_delete,
1828 df_ref_create_structure): Formatting changes.
1829 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1830 df_delete_basic_block): New function.
1831 (df_init): Changed location of flags.
1832 (df_add_problem): Added flags parameter and the way flags are
1834 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1835 debug_df_chain): Improved debugging output.
1836 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1837 (df_refs_chain_dump): Removed df parameter.
1838 (df_iterative_dataflow): Added consistency check.
1839 (df_prune_to_subcfg): Made public.
1840 (df_analyze_problem): Added blocks_to_init parameter and made
1842 (df_ref_record, df_bb_refs_record, df_mark_reg,
1843 df_record_exit_block_uses): Whitespace changes.
1844 (df_dump): Whitespace changes.
1845 * df.h: Some reordering to remove forward references.
1846 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1847 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1848 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1849 (dataflow.flags): New field.
1850 (df.flag): Deleted field.
1851 (df_alloc_function): Added additional bitmap parameter.
1852 (df_dependent_problem_function): New type.
1853 (df_problem.changeable_flags): New field.
1854 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1855 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1856 (df_mw_hardreg): New struct.
1857 (DF_INSN_UID_MWS): New macro.
1858 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1860 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1861 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1862 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1863 (df_set_state): Removed function.
1864 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1865 * df-problems.c (df_chain_dump): Removed df parameter.
1866 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1867 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1869 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1870 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1871 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1872 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1873 DF_REF_MUST_CLOBBER cases.
1874 (df_ru_bb_local_compute_process_def,
1875 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1876 df_lr_bb_local_compute, df_ur_bb_local_compute,
1877 df_chain_create_bb): Made subreg aware.
1878 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1879 df_lr_bb_local_compute, df_lr_bb_local_compute,
1880 df_chain_create_bb): Cleanup to use proper macros.
1881 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1882 code to fixup bitvectors.
1883 (df_ri_alloc): Cleared lifetime.
1884 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1885 df_create_unused_note): New function.
1886 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1887 REG_DEAD and REG_UNUSED notes as well as register information.
1888 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1889 df_chains_dump): Fixed crash if problem was never run.
1890 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1891 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1892 df_ri_add_problem): Processes flags in uniform manner.
1893 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1894 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1895 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1896 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1897 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1898 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1899 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1900 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1901 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1902 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1903 * see.c (see_initialize_data): Ditto.
1904 * final.c (rest_of_clean_state) Added regstack_completed.
1905 * rtl.h (regstack_completed): Ditto.
1906 * reg-stack.c (regstack_completed): Ditto.
1908 2006-05-19 Mike Stump <mrs@apple.com>
1910 * c-tree.h (default_conversion): Remove.
1911 * c-common.h (default_conversion): Add.
1913 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1915 * tree-vrp.c (valid_value_p): New function.
1916 (adjust_range_with_scev): Fail if the value of bound is not
1919 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1921 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1922 (mips_fallback_frame_state): Use syscall numbers to determine
1923 the appropriate li instruction for the current ABI. Only use
1924 __NR_sigreturn for o32.
1926 2006-05-19 Nicolas Setton <setton@adacore.com>
1928 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1929 * langhooks.c (lhd_dwarf_name): New function.
1930 * langhooks-def.h (lhd_dwarf_name): Declare.
1931 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1932 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1933 * ada/misc.c (gnat_dwarf_name): New function.
1934 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1936 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1938 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1940 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1941 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1942 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1943 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1944 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1945 determine the size of Wtype, etc.
1946 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1947 (swfloatfuncs): New variable.
1948 (dwfloatfuncs): Likewise.
1949 (lib2funcs): Remove floating-point conversion functions from
1950 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1951 the set of conversion routines needed. Allow entries to specify
1952 an object name, filename and word size. Update users accordingly.
1953 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1954 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1958 2006-02-08 Roger Sayle <roger@eyesopen.com>
1961 * config/fixtfdi.c: New libgcc source file.
1962 * config/fixunstfdi.c: New source file.
1963 * config/floatditf.c: New source file.
1964 * config/floatunditf.c: New souce file.
1965 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1966 files above instead of config/mips/_tilib.c.
1967 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1969 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1971 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1972 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1974 2006-05-18 Mike Stump <mrs@apple.com>
1976 Fix up vla, vm and [*] sematics.
1982 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1983 (c_vla_unspec_p): Add.
1984 (c_vla_type_p): Add.
1985 * c-decl.c (struct c_scope): Add had_vla_unspec.
1986 (build_array_declarator): Add support for [*].
1987 (grokdeclarator): Likewise.
1988 (grokparms): Likewise.
1989 (get_parm_info): Likewise.
1990 * c-objc-common.c (c_vla_unspec_p): Likewise.
1991 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1992 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1993 typeof when argument is a variably modified type not inside sizeof or alignof.
1994 (c_parser_direct_declarator_inner): Propagate errors.
1995 (c_parser_sizeof_expression): Add support for [*].
1996 (c_parser_parms_declarator): Initialize had_vla_unspec.
1997 (c_parser_parms_list_declarator): Likewise.
1998 * c-typeck.c (c_vla_type_p): Add.
1999 (composite_type): Add support for vla compositing.
2000 (comptypes_internal): Add support for vla compatibility.
2001 (c_expr_sizeof_expr): Evaluate vla arguments.
2002 * tree.c (variably_modified_type_p): Update comment for [*].
2004 2006-05-18 Michael Matz <matz@suse.de>
2007 * config.host: Make assignments to host_xmake_file cumulative.
2008 * config.host (*-darwin*): Test $host, not $target.
2010 2006-05-12 Stuart Hastings <stuart@apple.com>
2012 * config/i386/i386.opt (-mstackrealign): New flag.
2013 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2014 (ix86_handle_cconv_attribute): Emit error when
2015 force_align_arg_pointer attribute collides with too many regparms.
2016 (ix86_function_regparm): Limit regparms when used with
2017 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2018 Support stack-realigning prologue in non-main functions. Emit
2019 warning for nested functions under -mstackrealign, emit error for
2020 nested functions with force_align_arg_pointer attribute.
2021 * doc/extend.texi (force_align_arg_pointer): Document it.
2022 * doc/invoke.texi (-mstackrealign): Document it.
2024 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2026 PR rtl-optimization/27477
2027 * combine.c (try_combine): Don't split a parallel consisting
2028 of two sets into two individual sets if both sets reference
2031 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2033 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2034 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2036 * doc/options.texi (VarExists): Updated.
2038 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2040 * unwind-dw2.c: Add declarations for uw_update_context and
2042 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2043 detected, advance frame state and context once to skip over stub.
2045 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2049 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2050 Call rewrite_into_loop_closed_ssa only when something changed.
2051 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2052 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2053 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2054 Test for perfect_nest_p here. Fix formating.
2055 (replace_uses_equiv_to_x_with_y): Fix formating.
2056 (stmt_uses_op): Removed.
2057 (can_convert_to_perfect_nest): Removed loopivs parameter.
2058 Complete the test by checking the scalar dependences.
2059 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2062 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2065 From Dan Kegel <dank@kegel.com>:
2066 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2068 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2070 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2071 if the element type is variably modified without recursing.
2073 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2076 * tree-loop-linear.c (try_interchange_loops): Test for
2077 no data dependences.
2079 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2081 PR tree-optimization/27548
2082 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2083 range of ssa names that appear on abnormal edges.
2084 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2085 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2087 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2090 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2092 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2095 * tree.h (OMP_PARALLEL_COMBINED): Define.
2096 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2097 (new_omp_context): Add is_combined_parallel argument.
2098 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2099 new_omp_context caller.
2100 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2101 Adjust gimplify_scan_omp_clauses callers.
2102 (omp_is_private): Issue errors if iteration variable is firstprivate
2103 or reduction in the current context.
2104 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2105 on combined parallel workshare constructs.
2107 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2109 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2110 (gcc-options.o): New rule.
2112 * optc-gen.awk: Protect variables for gcc-options.o with
2113 #ifdef GCC_DRIVER/#endif.
2115 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2117 Fix PR tree-optimization/27373
2118 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2119 (forward_propagate_addr_expr): Update call.
2121 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2123 * doc/options.texi: Move the Negative option.
2125 2006-05-16 Richard Guenther <rguenther@suse.de>
2127 PR tree-optimization/22303
2128 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2130 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2131 ccp_fold did not simplify the statement.
2133 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2136 * Makefile.in (GCC_OBJS): New.
2137 (OBJS-common): Add opts-common.o.
2138 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2139 (cpp$(exeext)): Likewise.
2140 (gcc.o): Also depend on opts.h.
2141 (opts-common.o): New.
2143 * common.opt (gcoff): Add Negative(gdwarf-2).
2144 (gdwarf-2): Add Negative(gstabs).
2145 (gstabs): Add Negative(gstabs+).
2146 (gstabs+): Add Negative(gvms).
2147 (gvms): Add Negative(gxcoff).
2148 (gxcoff): Add Negative(gxcoff+).
2149 (gxcoff+): Add Negative(gcoff).
2150 * config/i386/i386.opt (m32): Add Negative(m64).
2151 (m64): Add Negative(m32).
2153 * doc/options.texi: Document the Negative option.
2155 * gcc.c: Include "opts.h".
2156 (main): Call prune_options after expandargv.
2158 * optc-gen.awk: Generate common declarations for all flag
2159 variables in options.c. Output the neg_index field.
2161 * opts.c (find_opt): Moved to ...
2162 * opts-common.c: Here. New file.
2164 * opts.h (cl_option): Add a neg_index field.
2166 (prune_options): Likewise.
2168 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2171 * omp-low.c (expand_omp_parallel): Don't assert
2172 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2173 instead search for it.
2176 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2179 2006-05-16 Andreas Schwab <schwab@suse.de>
2181 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2184 2006-05-15 Roger Sayle <roger@eyesopen.com>
2187 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2188 integer constants other than zero are only legitimate on TARGET_64BIT.
2189 <CONST_VECTOR> Only zero vectors are legitimate.
2190 (ix86_cannot_force_const_mem): Integral and vector constants can
2191 always be put in the constant pool.
2193 2006-05-16 DJ Delorie <dj@redhat.com>
2195 * crtstuff.c (__dso_handle): Set section from
2196 TARGET_LBIGCC_SDATA_SECTION if defined.
2197 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2198 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2200 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2203 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2206 2006-05-16 Ben Elliston <bje@au.ibm.com>
2208 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2210 2006-05-15 Per Bothner <per@bothner.com>
2212 * tree.c: (last_annotated_node): Use source_locus typedef.
2213 This permits bootstrapping with --enable-mapped-location.
2215 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2217 PR tree-optimization/26830
2218 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2219 (info_for_ssa_name, current_info_for_ssa_name_age,
2220 blocks_to_update): New variables.
2221 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2222 (clear_ssa_name_info, initialize_flags_in_bb,
2223 mark_block_for_update): New functions.
2224 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2225 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2226 prepare_def_site_for): Use mark_block_for_update.
2227 (mark_def_interesting): Assert that the processed block is marked in
2228 blocks_to_update. Do not take blocks argument.
2229 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2231 (rewrite_update_init_block, rewrite_update_stmt): Only process
2232 blocks with statements to rewrite.
2233 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2234 (update_ssa): Initialize and free blocks_to_update. Do not
2235 clear flags on statements. Do not use blocks bitmap.
2236 * tree.h (SSA_NAME_AUX): Removed.
2237 (struct tree_ssa_name): Removed aux field.
2238 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2240 2006-05-15 Richard Guenther <rguenther@suse.de>
2242 PR tree-optimization/27603
2243 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2244 Do computations in original type.
2246 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2248 * see.c: Code style changes such as redundant paranthesis,
2249 redundant intialization of local variables etc.
2250 (see_main): Declared now as static.
2251 * doc/invoke.texi: Update that -fsee is not enabled by
2254 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2256 * omp-low.c (check_omp_nesting_restrictions): New function.
2257 (scan_omp_1): Call it.
2260 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2261 construct, return *VAR.
2263 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2265 PR rtl-optimization/27406
2266 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2269 2006-05-14 Roger Sayle <roger@eyesopen.com>
2271 PR rtl-optimization/27538
2272 * combine.c (expand_compound_operation): Call gen_lowpart
2273 before calling simplify_shift_const.
2275 2006-05-14 Roger Sayle <roger@eyesopen.com>
2277 PR rtl-optimization/22563
2278 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2279 a fixed width bitfield, always force the intermediates into psuedos.
2281 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2284 * mkconfig.sh: Use operator = instead of == for test.
2286 2006-05-13 Nick Clifton <nickc@redhat.com>
2288 * dwarf2out.c (dbx_reg_number): Check return value from
2289 LEAF_REG_REMAP and only use it if it is valid.
2290 (multiple_reg_loc_descriptor): Likewise.
2292 2006-05-13 Richard Guenther <rguenther@suse.de>
2294 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2297 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2299 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2300 information attached to non-INSNs such as NOTEs.
2301 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2303 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2305 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2307 * config/s390/s390.md: Adjust comment describing On constraint.
2309 2006-05-11 Jan Hubicka <jh@suse.cz>
2311 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2312 to be output at -O0.
2314 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2317 * fold-const.c (size_binop): Move sanity check for arguments to
2318 the beginning of the function.
2321 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2324 2006-05-11 Richard Guenther <rguenther@suse.de>
2327 * fold-const.c (fold_unary): Handle intermediate conversion
2328 to a pointer type like intermediate conversion to an integer
2329 type in folding of (T1)(T2)var to var.
2330 Match the code to the comment in the final conversion for
2331 (T1)(T2)var to (T1)var regarding to type precision. Rather
2332 than disallow T1 being of pointer type, assert that both T1
2333 and var are of pointer type or not. Make sure not to fall
2334 over the frontends lazyness wrt array to pointer decay though.
2336 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2338 * arm.c (arm_struct_value_rtx): Delete.
2339 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2340 (arm_init_cumulative_args): Always initialize nregs to zero.
2342 2006-05-10 Richard Guenther <rguenther@suse.de>
2344 PR tree-optimization/27532
2345 * tree-object-size.c (plus_expr_object_size): Fix typo.
2347 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2350 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2351 ashrdi_const, ashrdi3): Use a scratch register.
2353 2006-05-10 Richard Guenther <rguenther@suse.de>
2355 PR tree-optimization/27302
2356 * fold-const.c (operand_equal_p): For two comparisons,
2357 try comparison of one comparison code swapped if that yields
2360 2006-05-10 Ben Elliston <bje@au.ibm.com>
2362 * tree-pretty-print.c (pretty_print_string): No need to handle
2363 '\0' as a special character.
2365 * tree.h: Include "hashtab.h".
2366 (iterative_hash_expr): Use hashval_t in its prototype.
2367 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2369 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2372 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2373 (hppa*64*-*-hpux11*): Ditto.
2374 (hppa[12]*-*-hpux11*): Ditto.
2376 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2379 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2381 2006-05-09 Michael Matz <matz@suse.de>
2383 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2384 host_extra_gcc_objs and host_xmake_file.
2385 (<*-*-linux*>): Don't overwrite host_xmake_file.
2386 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2387 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2388 (host_detect_local_cpu): Declare.
2389 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2390 * config/i386/i386.c (override_options): Handle -mtune=native
2392 * config/i386/x-i386: New file.
2393 * config/i386/driver-i386.c: New file.
2394 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2397 2006-05-09 Dirk Mueller <dmueller@suse.de>
2398 Richard Guenther <rguenther@suse.de>
2401 * fold-const.c (fold_read_from_constant_string): Relax check
2402 for matching types to matching modes.
2404 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2406 PR rtl-optimization/27335
2407 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2410 2006-05-08 Chao-ying Fu <fu@mips.com>
2411 Richard Sandiford <richard@codesourcery.com>
2413 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2414 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2415 * config/mips/mips.md (UNSPEC_SCC): New constant.
2416 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2417 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2418 (mips_emit_compare): Use it.
2419 (mips_expand_vcondv2sf): New function.
2421 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2423 Fix PR tree-optimization/27093
2424 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2425 renaming when they become not-used_alone.
2427 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2429 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2430 relocation and relocation stubs.
2432 2006-05-08 Eric Christopher <echristo@apple.com>
2434 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2437 2006-05-08 Jan Hubicka <jh@suse.cz>
2440 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2441 unused static functions are needed.
2443 2006-05-08 Roger Sayle <roger@eyesopen.com>
2446 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2447 of a reg_equiv_constant if the result is a legitimate constant.
2449 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2452 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2453 standard 80387 constants, raise the cost to prevent
2454 compress_float_constant() to generate load from memory.
2456 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2458 * config/arm/constraints.md (c): Fix a typo.
2460 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2463 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2466 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2468 (_mm_mwait): Likewise.
2470 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2472 (sse3_monitor): Make it 32bit only.
2473 (sse3_monitor64): New. 64bit monitor.
2475 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2478 * config/i386/i386.c (classify_argument): Skip fields with invalid
2481 2006-05-07 Richard Guenther <rguenther@suse.de>
2483 PR tree-optimization/27409
2484 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2485 Do not try to find zero-sized subvars.
2487 2006-05-07 Richard Guenther <rguenther@suse.de>
2489 PR tree-optimization/27136
2490 * tree-ssa-loop-niter.c (get_val_for): Correct function
2491 comment, assert requirements.
2492 (loop_niter_by_eval): Stop processing if the iterated
2493 value did not simplify.
2495 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2497 * opts.c (flag_see): remove its setting at -O3.
2499 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2501 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2502 * arm/constraints.md: New file.
2503 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2504 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2505 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2506 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2507 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2508 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2509 * arm.md: Include constraints.md.
2510 (thumb_movsi_insn): Use satisfies_constraint_J.
2511 (movhi, movqi): Use satisfies_constraint_I.
2513 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2515 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2516 for atmeg a645 device.
2518 2006-05-06 Richard Guenther <rguenther@suse.de>
2520 PR tree-optimization/27151
2521 * tree-vect-transform.c (vectorizable_condition): Punt on
2522 values that have a different type than the condition.
2524 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2527 * c-parser.c (c_parser_cast_expression): Only insert casts into
2528 hash table if pointer.
2529 * function.c (used_types_insert_helper): Rename from
2531 (used_types_insert): Call used_types_insert_helper.
2532 * function.h (used_types_insert): Accept only one argument.
2534 2006-05-05 David Edelsohn <edesohn@gnu.org>
2536 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2537 scratch with output modifier.
2539 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2542 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2543 with output modifier.
2545 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2548 * config/mips/mips.c (mips_symbolic_address_p): Return true
2549 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2550 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2552 2006-05-04 Richard Guenther <rguenther@suse.de>
2554 PR tree-optimization/14287
2555 PR tree-optimization/14844
2556 PR tree-optimization/19792
2557 PR tree-optimization/21608
2558 PR tree-optimization/27090
2559 * tree-ssa-pre.c (try_combine_conversion): New function.
2560 (compute_avail): After constructing the value-handle
2561 expression, use try_combine_conversion to combine NOP_EXPRs
2562 with previous value-handle expressions and use the result if it
2565 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2567 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2569 2006-05-04 Jan Hubicka <jh@suse.cz>
2572 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2574 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2576 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2577 that this only matches CONST_INTs. All users changed to VOIDmode
2580 * config/bfin/bfin.c: Include "optabs.h".
2581 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2583 (enum bfin_builtins): Add a number of fractional and vector builtins.
2584 (bfin_init_builtins): Likewise.
2585 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2586 (safe_vector_operand, bfin_expand_binop_builtin,
2587 bfin_expand_unop_builtin): New functions.
2588 (bfin_expand_builtin): Handle the new builtins.
2589 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2592 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2595 * Makefile.in (OBJS-common): Add see.o.
2596 (see.o): Add dependencies.
2597 * common.opt (fsee): New flag for the see optimization was added.
2598 * opts.c (flag_see): Initialized.
2599 * passes.c (init_optimization_passes, pass_see): New pass.
2600 * rtl.h (see_main): Declaration as extern.
2601 * timevar.def (TV_SEE): New.
2602 * tree-pass.h (pass_see): Declaration as extern.
2603 * invoke.texi (-fsee): Document.
2604 * recog.c (validate_simplify_insn): New function.
2605 * recog.h (validate_simplify_insn): Declaration as extern.
2606 * df-problems.c (df_chain_dump): Check for NULL.
2608 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2609 Daniel Berlin <dberlin@dberlin.org>
2611 * cfgrtl.c (insert_insn_bb_end_new): New function.
2612 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2614 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2616 * df.h (struct web_entry): Moved from web.c.
2617 (union_defs): Declaration as extern.
2618 (unionfind_root): Likewise.
2619 (unionfind_union): Likewise.
2620 * web.c (struct web_entry): Moved to df.h.
2621 (unionfind_root): Remove static declaration.
2622 (unionfind_union): Likewise.
2623 (union_defs): Likewise and generalize to use callback function.
2624 (web_main): Update arguments for union_defs function call.
2626 2006-05-04 Richard Guenther <rguenther@suse.de>
2628 PR tree-optimization/26447
2629 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2630 produce SSA_NAME copies before the store stmt to avoid
2631 breaking exception handling.
2633 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2636 * gimplify.c (omp_is_private): If var is shared in some outer context,
2637 return false instead of true. Stop searching on parallel context
2640 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2643 * coverage.c: Use get_gcov_unsigned_t() instead of
2644 unsigned_type_node all over.
2646 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2648 PR tree-optimization/27381
2649 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2650 maintain the same immediate_use links.
2651 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2652 node rather than segfaulting.
2654 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2657 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2658 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2659 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2661 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2663 Fix PR tree-optimization/26626
2664 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2666 * tree-ssa-operands.c (access_can_touch_variable): Allow
2667 typecasting through union pointers.
2669 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2672 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2673 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2674 to find if var will be a global variable even in the nested context.
2675 (omp_copy_decl): Only check for global variable at the end, it might
2676 be overridden in outer contexts.
2677 (scan_sharing_clauses): For global variables don't create a field.
2678 (lower_rec_input_clauses): Do nothing for global shared variables.
2679 Emit a barrier at the end of ILIST if there were any decls in both
2680 firstprivate and lastprivate clauses.
2681 (lower_send_clauses): Do nothing for global variables except for
2684 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2686 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2687 of the correct signedness is returned.
2689 2006-05-02 Jeff Law <law@redhat.com>
2691 PR tree-optimization/27364
2692 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2693 multiply expressions.
2695 2006-05-02 Tom Tromey <tromey@redhat.com>
2697 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2699 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2702 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2703 -mthumb -fPIC are used.
2705 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2706 Joshua Kinard <kumba@gentoo.org>
2709 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2710 with 64-bit pointers.
2712 2006-05-02 Paul Brook <paul@codesourcery.com>
2714 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2716 (create_fix_barrier): Check that a suitable barrier location is
2718 (arm_reorg): Include ftmp->address in allowable range of addresses.
2720 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2723 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2726 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2729 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2730 around RESULT_DECL for result passed by reference.
2731 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2732 * omp-low.c (use_pointer_for_field): Don't look at
2733 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2734 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2735 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2736 time or var for passing by reference for
2737 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2738 TREE_ADDRESSABLE variables when passing by reference.
2740 * omp-low.c (dump_omp_region): Fix output formatting.
2743 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2744 (expand_omp_parallel): Likewise.
2745 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2748 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2749 on statement list containing also constructors and destructors.
2750 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2753 * except.c (duplicate_eh_regions): Fix clearing of
2754 cfun->eh->region_array entries.
2756 2006-05-01 DJ Delorie <dj@redhat.com>
2758 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2760 (gcc_cv_objdump): Likewise.
2761 * configure: Regenerated.
2763 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2766 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2767 templates for case 3 and 4.
2769 2006-05-01 DJ Delorie <dj@redhat.com>
2771 * vec.c: Include bconfig.h when appropriate.
2772 * Makefile.in (build/vec.o): Adjust dependencies.
2773 * mkconfig.sh: Make sure config.h isn't used for build machine
2776 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2778 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2780 (mark_phi_for_rewrite): New function.
2781 (insert_phi_nodes_for, mark_use_interesting): Call
2782 mark_phi_for_rewrite.
2783 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2784 (update_ssa): Initialize and free phis_to_rewrite.
2786 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2788 PR rtl-optimization/27291
2789 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2790 folded to a constant.
2792 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2794 PR tree-optimization/27283
2795 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2796 not whole # of iteration descriptions.
2797 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2798 uses abnormal ssa name.
2799 (niter_for_single_dom_exit): Ditto.
2800 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2801 return just the number of iterations.
2803 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2805 PR tree-optimization/27144
2806 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2807 (record_estimate): Only record constant upper bound.
2808 (infer_loop_bounds_from_undefined): Call
2809 compute_estimated_nb_iterations just once.
2810 (proved_non_wrapping_p): Renamed to ...
2811 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2812 (convert_step_widening, scev_probably_wraps_p): Call
2813 n_of_executions_at_most instead of proved_non_wrapping_p.
2814 (substitute_in_loop_info): Do not replace values in bounds.
2815 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2818 2006-05-01 Richard Henderson <rth@redhat.com>
2821 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2822 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2825 2006-05-01 Roger Sayle <roger@eyesopen.com>
2827 * c-typeck.c (parser_build_binary_op): Don't call the function
2828 unsigned_conversion_warning to spot operand/result type overflow.
2829 (build_binary_op): Instead, call convert_and_check instead of
2830 convert to report the problem when the operands are promoted.
2831 * c-common.c (unsigned_conversion_warning): Make static.
2832 * c-common.h (unsigned_conversion_warning): Delete prototype.
2834 2006-05-01 Richard Guenther <rguenther@suse.de>
2836 PR tree-optimization/26726
2837 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2839 (find_interesting_uses_address): ... we work around here
2840 by folding INDIRECT_REFs in the substituted base.
2842 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2844 * omp-low.c (dump_omp_region): Add newlines.
2846 2006-04-30 Roger Sayle <roger@eyesopen.com>
2848 * common.opt (Woverflow): New command line option.
2849 * c-common.c (constant_expression_warning): Check warn_overflow.
2850 (overflow_waring): Pass OPT_Woverflow to warning.
2851 (unsigned_conversion_warning): Likewise.
2852 (convert_and_check): Likewise.
2853 * doc/invoke.texi: Document new command line option.
2855 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2857 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2858 TARGET_NO_FP_IN_TOC for section anchors.
2859 (optimization_options): Enable section anchors for all
2860 non-"Objective" languages.
2862 2006-04-28 Eric Christopher <echristo@apple.com>
2864 * config/darwin-c.c (darwin_ms_struct): Move this
2865 (darwin_set_default_type_attributes): and this...
2866 * config/darwin.c: ... here.
2867 * config/darwin.h (darwin_ms_struct): Declare.
2869 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2871 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2873 2006-04-28 Roger Sayle <roger@eyesopen.com>
2876 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2877 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2878 an unsigned HOST_WIDE_INT.
2879 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2881 (really_start_incremental_init): No need to call convert because
2882 bitsize_zero_node is already of type bitsizetype.
2883 (push_init_level): Extract the value of constructor_index as an
2884 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2885 (process_init_element): Likewise.
2887 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2889 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2890 value before passing to make_relative_prefix.
2892 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2895 * builtins.c (expand_builtin_memset): Expand val in original mode.
2897 2006-04-27 Eric Christopher <echristo@apple.com>
2899 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2900 with #ifndef/#endif.
2901 * config/darwin-c.c (darwin_ms_struct): New.
2902 (darwin_pragma_ms_struct): Ditto.
2903 (darwin_set_default_type_attributes): Ditto.
2904 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2905 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2906 Register ms_struct pragma.
2907 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2908 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2909 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2910 darwin_set_default_type_attributes if TARGET_MACHO.
2912 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2914 PR tree-optimization/26854
2915 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2916 * doc/tree-ssa.texi: Update immuse iterator documentation.
2917 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2918 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2919 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2920 first_safe_imm_use, next_safe_imm_use): Remove.
2921 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2922 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2923 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2924 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2925 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2926 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2927 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2928 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2929 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2930 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2931 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2932 (perfect_nestify): Use new iterator.
2933 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2935 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2936 (next_imm_name): New field in struct immediate_use_iterator_d.
2937 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2938 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2939 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2940 * tree-cfg.c (replace_uses_by): Use new iterator.
2941 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2942 * tree-ssa-operands.c (correct_use_link): Remove.
2943 (finalize_ssa_use_ops): No longer call correct_use_link.
2945 2006-04-27 Stuart Hastings <stuart@apple.com>
2947 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2948 * config/t-darwin (crt3.o): Use it.
2949 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2950 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2951 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2952 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2953 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2956 2006-04-27 Roger Sayle <roger@eyesopen.com>
2958 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2959 size, force the intermediate into a new pseudo rather instead of
2960 performing both a bitwise AND and a bitwise IOR in memory.
2962 2006-04-27 Richard Guenther <rguenther@suse.de>
2964 PR rtl-optimization/26685
2965 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2966 this one "max-flow-memory-locations".
2968 2006-04-27 Richard Guenther <rguenther@suse.de>
2970 PR tree-optimization/25148
2971 * tree-vrp.c (compare_values): Remove code dealing with
2972 comparisons against type min/max value. Honour overflow
2973 and negative constants in code dealing with comparisons
2974 of plus and minus expressions.
2975 (value_inside_range): Use fold_binary with LE_EXPR and
2976 GE_EXPR rather than compare_values.
2978 2006-04-27 Dirk Mueller <dmueller@suse.de>
2980 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2983 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2985 * basic-block.h (safe_insert_insn_on_edge): Removed.
2986 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2988 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2989 Paolo Bonzini <bonzini@gnu.org>
2992 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2993 (simplify_and_const_int): Same.
2995 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2997 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2999 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3002 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3003 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3004 cgraph_global_info_ready.
3007 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3010 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3011 either decl or init is error_mark_node.
3014 * tree-flow.h (struct omp_region): Add sched_kind.
3015 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3016 instead of extracting omp for data.
3017 (expand_omp_for): Save extracted sched_kind.
3019 2006-04-25 Roger Sayle <roger@eyesopen.com>
3021 * expmed.c (store_bit_field): Also check whether the bitsize is
3022 valid for the machine's "insv" instruction before moving the
3023 target into a pseudo for use with the insv.
3024 * config/i386/predicates.md (const8_operand): New predicate.
3025 * config/i386/i386.md (extv, extzv, insv): Use the new
3026 const8_operand predicate where appropriate.
3028 2006-04-25 DJ Delorie <dj@redhat.com>
3030 * doc/install.texi (Specific): Clarify that this is not a list of
3031 supported hosts or targets.
3033 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3035 PR rtl-optimization/26725
3036 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3037 block's BB_DIRTY flag.
3039 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3041 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3044 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3045 to print an integer.
3047 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3049 * varasm.c (align_variable): New function.
3050 (get_block_for_decl): Apply align_variable to DECL before
3051 calculating section information.
3052 (assemble_variable): Split out alignment computation.
3054 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3056 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3059 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3061 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3062 MODE_PARTIAL_INT mode.
3063 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3064 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3066 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3067 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3069 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3071 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3073 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3074 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3075 MACFLAG_IH): Likewise.
3076 (movstricthi_1): Renamed from "*movstricthi".
3077 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3078 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3079 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3080 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3081 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3082 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3083 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3084 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3085 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3086 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3087 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3088 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3089 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3090 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3091 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3093 * doc/rtl.texi (ss_ashift): Improve wording.
3095 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3097 * dwarf2out.c (verify_marks_clear): New.
3098 (prune_unused_types): Call verify_marks_clear initially, not
3101 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3103 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3104 * doc/rtl.texi: Document them.
3105 * simplify-rtx.c (simplify_unary_operation,
3106 simplify_binary_operation_1): Don't abort when we see them.
3108 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3111 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3112 * configure.ac: Completely disregard languages that are not
3114 * configure: Regenerated.
3116 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3117 Richard Guenther <rguenther@suse.de>
3119 PR tree-optimization/27236
3120 * tree-inline.c (copy_body_r): Make sure to copy
3121 TREE_THIS_VOLATILE flag.
3123 2006-04-24 Richard Guenther <rguenther@suse.de>
3126 * tree-complex.c (update_parameter_components): Don't handle
3127 unused parameters which have no default def.
3129 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3130 Richard Guenther <rguenther@suse.de>
3132 PR tree-optimization/27218
3133 * tree-inline.c (expand_call_inline): Strip useless type
3134 conversions for the return slot address.
3136 2006-04-24 Richard Guenther <rguenther@suse.de>
3138 * cfgloop.h (struct loops): Remove unused field array. Reorder
3140 (LOOP_PREFETCH): Remove.
3142 2006-04-24 Richard Guenther <rguenther@suse.de>
3144 PR tree-optimization/22525
3145 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3146 variable, adjust types of generated expressions.
3148 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3150 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3151 (tree-vect-patterns.o): Likewise.
3153 (cselib.o): Likewise.
3154 (loop-doloop.o): Likewise.
3155 (regclass.o): Likewise.
3156 (reload1.o): Likewise.
3157 (explow.o): Replace target.h with $(TARGET_H).
3158 (ipa-prop.o): Likewise.
3159 (ipa-cp.o): Likewise.
3160 (ipa-inline.o): Likewise.
3161 (reorg.o): Likewise.
3162 (reg-stack.o): Likewise.
3164 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3166 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3168 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3170 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3172 * configure.ac: Completely disregard languages that are not
3174 * configure: Regenerated.
3177 * c-common.h (c_build_bitfield_integer_type): Declare.
3178 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3179 * c-common.c (c_build_bitfield_integer_type): ... here.
3181 2006-04-23 Roger Sayle <roger@eyesopen.com>
3184 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3185 a SImode SUBREG of a floating point register after no_new_pseudos.
3187 2006-04-23 Roger Sayle <roger@eyesopen.com>
3189 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3190 identify potentially eliminable registers to additionally catch
3191 VIRTUAL_INCOMING_ARGS_REGNUM.
3192 (addsi3): Update the conditions on when to use addsi_small_int.
3194 2006-04-23 Roger Sayle <roger@eyesopen.com>
3197 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3198 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3199 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3201 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3203 * fold-const.c (range_predecessor): Use operand_equal_p
3204 as the predicate for equality.
3205 (range_successor): Likewise.
3207 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3210 * config/soft-fp/op-common.h: Fix a typo.
3212 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3215 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3216 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3218 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3220 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3222 * doc/tm.texi: Fix a typo.
3224 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3226 * dwarf2out.c (struct die_struct): Document that die_sib makes
3227 a circular linked list.
3228 (FOR_EACH_CHILD): New.
3229 (reverse_die_lists): Delete.
3230 (reverse_all_dies): Delete.
3231 (add_dwarf_attr): Correct documentation.
3232 (remove_child_with_prev): New.
3233 (remove_child_TAG): Update for change to die_struct, use
3234 remove_child_with_prev.
3235 (add_child_die): Update for change to die_struct.
3236 (splice_child_die): Use remove_child_with_prev and add_child_die.
3237 (print_die): Use FOR_EACH_CHILD.
3238 (die_checksum): Likewise.
3239 (assign_symbol_names): Likewise.
3240 (output_location_lists): Likewise.
3241 (build_abbrev_table): Likewise.
3242 (calc_die_sizes): Likewise.
3243 (mark_dies): Likewise.
3244 (unmark_dies): Likewise.
3245 (unmark_all_dies): Likewise.
3246 (output_die): Likewise.
3247 (prune_unused_types_mark): Likewise.
3248 (prune_unused_types_walk): Likewise.
3249 (same_die_p): Update for change to die_struct.
3250 (break_out_includes): Likewise.
3251 (prune_unused_types_prune): Likewise.
3252 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3253 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3255 (dwarf2out_finish): Don't call reverse_all_dies.
3257 2006-04-21 Eric Christopher <echristo@apple.com>
3259 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3260 in comments and function names.
3262 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3265 * c-typeck.c (digest_init): Robustify.
3267 * c-typeck.c (pop_init_level): Simplify.
3269 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3271 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3273 2006-04-21 Paul Brook <paul@codesourcery.com>
3275 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3276 hardware floating point.
3278 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3280 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3283 2006-04-21 Nick Clifton <nickc@redhat.com>
3285 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3288 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3291 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3292 C++ lang type in traceback table for Objective-C++.
3294 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3296 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3298 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3300 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3303 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3304 were errors. Remove check for erroneous objects.
3306 2006-04-20 Jeff Law <law@redhat.com>
3308 PR tree-optimization/26854
3309 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3310 checking for zero or one use.
3311 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3312 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3313 * tree-ssa-reassoc.c (negate_value): Similarly.
3314 (reassociate_bb): Similarly.
3316 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3318 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3319 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3320 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3322 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3324 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3325 fp regs if the last fp arg doesn't fit in regs.
3327 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3330 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3331 that the last insn has the REG_INC note.
3333 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3334 Nathan Sidwell <nathan@codesourcery.com>
3337 * stor-layout.c (update_alignment_for_field): Do not align
3339 (place_union_field): Place union field at the start of the union.
3340 (place_field): Move ERROR_MARK check later, and use the current
3341 allocation position to maintain monotonicity.
3343 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3345 * dominance.c: Include timevar.h.
3346 (calculate_dominance_info): Use TV_DOMINANCE.
3347 * timevar.def (TV_DOMINANCE): New timevar.
3348 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3350 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3352 PR rtl-optimization/14261
3353 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3354 move would be an INSV insn.
3355 (noce_process_if_block): Don't optimize if the destination is a
3356 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3358 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3360 * config/s390/s390.md: Add comments with the instructions emitted
3361 by an insn pattern if macros are used.
3363 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3365 PR rtl-optimization/26026
3366 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3367 is a known power of two shifted left a variable amount.
3369 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3371 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3372 to hash table twice when the debug_str section has SECTION_MERGE.
3374 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3376 * config/soft-fp: New directory. From glibc.
3377 * config/soft-fp/t-softfp: New.
3378 * config/soft-fp/README: New.
3379 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3380 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3381 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3382 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3383 * config.gcc: Use rs6000/t-fprules-fpbit or
3384 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3386 * config/rs6000/sfp-machine.h: New. Based on glibc.
3387 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3389 * config/rs6000/t-fprules: Remove fp-bit rules.
3390 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3391 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3392 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3393 (softfp_wrap_start, softfp_wrap_end): New.
3395 2006-04-18 DJ Delorie <dj@redhat.com>
3397 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3399 2006-04-18 Devang Patel <dpatel@apple.com>
3401 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3403 2006-04-18 Nick Clifton <nickc@redhat.com>
3405 * config/sh/t-symbian: Add rule to build sh-c.o
3406 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3407 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3408 (sh_symbian_encode_section_info): Likewise.
3410 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3412 * builtins.c (expand_builtin_strcmp): Cover label definition of
3413 do_libcall with HAVE_cmpstrnsi.
3415 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3417 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3419 * function.h (temp_slot_p): New.
3420 (function): Change the type of x_used_temp_slots to
3421 VEC(temp_slot_p,gc) *.
3423 2006-04-18 Nick Clifton <nickc@redhat.com>
3425 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3426 flag_strength_reduce.
3428 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3430 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3434 Partial revert of revision 112637
3435 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3436 Dale Johannesen <dalej@apple.com>
3439 * regclass.c (struct reg_pref): Update documentation.
3440 (regclass): Set prefclass to NO_REGS if memory is the best option.
3441 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3443 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3445 PR tree-optimization/26821
3446 * tree-ssa-math-opts.c (get_constant_one): New.
3447 (insert_reciprocals): Use it.
3449 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3451 * dwarf2out.c (free_AT): Delete.
3452 (remove_AT): Update string ref counts.
3453 (remove_child_TAG): Don't call free_die.
3455 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3456 or DW_TAG_GNU_EINCL.
3457 (prune_unused_types_walk_attribs): Reset string refcounts.
3458 (prune_unused_types_update_strings): New.
3459 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3460 call free_die. Do call prune_unused_types_update_strings.
3461 (prune_unused_types): Empty debug_str_hash.
3463 2006-04-17 Roger Sayle <roger@eyesopen.com>
3465 * expr.c (expand_assignment): Optimize away no-op moves where the
3466 source and destination are equal and have no side-effects.
3468 2006-04-17 Richard Guenther <rguenther@suse.de>
3471 * reload.c (push_reload): Guard calls to get_secondary_mem
3474 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3476 * alias.c (reg_base_value, old_reg_base_value): Change the
3477 type to VEC(rtx,gc) *.
3478 (REG_BASE_VALUE, find_base_value, record_set,
3479 init_alias_analysis): Use VEC instead of VARRAY.
3481 * alias.c (alias_sets): Change the type to
3482 VEC(alias_set_entry,gc) *.
3483 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3484 VEC instead of VARRAY.
3485 (last_alias_set): Remove.
3487 * cgraph.h (cgraph_edge_p): New.
3488 Update the prototype of cgraph_function_versioning.
3489 * cgraphunit.c (cgraph_copy_node_for_versioning,
3490 cgraph_function_versioning): Use VEC instead of VARRAY.
3491 * ipa-cp.c (ipcp_insert_stage): Likewise.
3493 2006-04-16 Roger Sayle <roger@eyesopen.com>
3496 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3497 "A op B" or "A op C", we may need to convert A to the type of B and C.
3499 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3501 * target.h (struct gcc_target): Add mode_rep_extended.
3502 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3503 (init_num_sign_bit_copies_in_rep): Initialize it using
3505 (truncate_to_mode): Use it.
3506 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3507 * targhooks.h (default_mode_rep_extended): Declare it.
3508 * targhooks.c (default_mode_rep_extended): Define it.
3509 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3510 default_mode_rep_extended.
3511 (TARGET_INITIALIZER): Include it.
3512 * doc/tm.texi (Misc): Document it.
3513 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3514 (mips_truncated_to_mode): New function.
3516 2006-04-16 Roger Sayle <roger@eyesopen.com>
3519 * expr.c (compress_float_constant): Copy the narrow constant into
3520 a new pseudo before extending it to its final width.
3522 2006-04-16 Roger Sayle <roger@eyesopen.com>
3523 Andrew Pinski <pinskia@gcc.gnu.org>
3524 Dale Johannesen <dalej@apple.com>
3527 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3528 special case code to implement V8HImode and V16QImode with SSE2.
3530 2006-04-15 Roger Sayle <roger@eyesopen.com>
3532 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3533 trees are constructed with a suitable tree type.
3535 2006-04-15 Roger Sayle <roger@eyesopen.com>
3537 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3538 (integer_onep): Likewise.
3539 (integer_all_onesp): Likewise.
3540 (integer_pow2p): Likewise.
3541 (integer_nonzerop): Likewise.
3542 (real_zerop): Likewise.
3543 (real_onep): Likewise.
3544 (real_twop): Likewise.
3545 (real_minus_onep): Likewise.
3546 (int_size_in_bytes): Likewise.
3547 (host_integerp): Likewise.
3549 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3551 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3552 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3553 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3555 * tree-ssa-structalias.h (alias_info): Remove num_references.
3557 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3559 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3560 (output_bvb patterns): Likewise.
3561 * pa.c (output_bb): Use 'bb' insn for long branch case.
3562 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3563 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3564 1. Correct length operand for alternatives 1 and 2.
3565 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3566 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3568 2006-04-14 Roger Sayle <roger@eyesopen.com>
3570 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3571 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3572 were accidentally reverted by r112959.
3574 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3577 * except.h (eh_region_outermost): New prototype.
3578 * except.c (eh_region_outermost): New function.
3579 * tree-cfg.c (find_outermost_region_in_block): Use it.
3581 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3583 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3585 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3586 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3587 (init_reload, reload): Use VEC instead of VARRAY.
3588 * reload.h: Update the prototype for
3589 reg_equiv_memory_loc_varray.
3591 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3592 Eric Botcazou <ebotcazou@libertysurf.fr>
3594 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3597 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3600 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3601 to expand fallback builtin function call.
3603 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3606 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3607 and emit libcall here in case the builtin fails.
3608 (expand_builtin_strcmp): Always emit the libcall here on failure.
3610 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3612 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3613 * flow.c (reg_n_info): Change the type to
3614 VEC(reg_info_p,heap) *.
3615 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3617 * regs.h (reg_info_p): New.
3618 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3619 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3620 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3623 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3625 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3627 * params.h (MAX_SCHED_READY_INSNS): New macro.
3628 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3629 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3630 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3631 the ready list for 1 cycle during the first scheduling pass.
3632 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3634 2006-04-13 Richard Henderson <rth@redhat.com>
3637 * gimple-low.c (lower_omp_directive): Remove dead code.
3638 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3639 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3640 * omp-low.c (struct omp_region): Move to tree-flow.h.
3641 (root_omp_region): Export.
3642 (omp_regions, lookup_omp_region): Remove.
3643 (determine_parallel_type): Update for struct omp_region changes.
3644 (dump_omp_region): Dump regions with block numbers.
3645 (new_omp_region): Take type and block instead of stmt; malloc
3647 (free_omp_region_1, free_omp_regions): New.
3648 (expand_parallel_call): Take entry_stmt as argument; update for
3649 changes to omp_region.
3650 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3651 (remove_exit_barriers): New.
3652 (expand_omp_parallel): Update for struct omp_region changes.
3653 (expand_omp_synch): Likewise.
3654 (expand_omp): Likewise.
3655 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3656 (expand_omp_for_static_chunk): Likewise.
3657 (expand_omp_for): Likewise.
3658 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3659 (expand_omp_sections): Similarly, with GOMP_sections_end.
3660 (expand_omp_single): New.
3661 (build_omp_regions_1): Update for OMP_CONTINUE.
3662 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3663 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3664 OMP_SECTIONS_SECTIONS.
3665 (lower_omp_single_simple): Don't emit barrier here.
3666 (lower_omp_single_copy): Likewise.
3667 (lower_omp_single): Fix bindings, and lower to straightline now.
3668 (lower_omp_master, lower_omp_ordered): Likewise.
3669 (lower_omp_critical): Likewise.
3670 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3671 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3672 omp edges, free it afterward.
3673 (make_omp_sections_edges): Remove.
3674 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3675 (move_stmt_r): Handle OMP_CONTINUE.
3676 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3677 statement pointers to basic blocks. Add type member.
3678 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3679 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3680 * tree-inline.c (estimate_num_insns_1): Likewise.
3681 * tree-pretty-print.c (dump_generic_node): Likewise.
3682 * tree-ssa-operands.c (get_expr_operands): Likewise.
3683 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3684 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3685 (OMP_CONTINUE): New.
3686 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3687 (OMP_SECTIONS_SECTIONS): Remove.
3688 (OMP_SECTION_LAST): New.
3689 (OMP_RETURN_NOWAIT): New.
3691 2006-04-13 Roger Sayle <roger@eyesopen.com>
3693 * fold-const.c (native_encode_vector, native_interpret_real):
3694 Correct obvious mistakes in the previous check-in.
3696 2006-04-13 Roger Sayle <roger@eyesopen.com>
3698 * fold-const.c (native_encode_expr): New function to encode
3699 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3700 or VECTOR_CST into a specified buffer.
3701 (native_encode_int): New function.
3702 (native_encode_real): New function.
3703 (native_encode_complex): New function.
3704 (native_encode_vector): New function.
3705 (native_interpret_expr): Inverse of native_encode_expr to convert
3706 a target representation into an INTEGER_CST, REAL_CST etc...
3707 (native_interpret_int): New function.
3708 (native_interpret_real): New function.
3709 (native_interpret_complex): New function.
3710 (native_interpret_vector): New function.
3711 (fold_view_convert_expr): New function to constant fold/evaluate
3712 a VIEW_CONVERT_EXPR of a suitable constant expression.
3713 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3714 Change call of build1 to fold_build1 when constructing a
3717 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3718 Ulrich Weigand <uweigand@de.ibm.com>
3721 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3724 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3727 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3728 optimize to lo_sum for DFmode if !TARGET_FPRS.
3730 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3732 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3733 delete_alias_info, compute_flow_sensitive_aliasing,
3734 group_aliases): Use VEC instead of VARRAY.
3735 * tree-ssa-structalias.c (update_alias_info): Likewise.
3736 * tree-ssa-structalias.h (alias_info): Change the type of
3737 processed_ptrs to VEC(tree,heap) *.
3739 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3742 * config/sh/lib1funcs.h: New file, broken out of:
3743 * config/sh/lib1funcs.asm.
3744 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3746 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3747 * config/sh/lib1funcs-Os-4-200.asm: New file.
3748 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3749 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3750 (EXTRA_MULTILIB_PARTS): Include it.
3751 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3752 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3753 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3754 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3757 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3759 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3760 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3761 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3763 * tree-ssa-live.h: Include vecprim.h.
3764 (tree_partition_associator_d): Change the type of
3765 first_partition to VEC(int,heap) *.
3766 (tpa_first_partition): Use VEC instead of VARRAY.
3768 * Makefile.in (GTFILES): Move functions.h after tree.h.
3769 * function.c (reset_block_changes, record_block_change,
3770 check_block_change, free_block_changes): Use VEC instead of
3772 * function.h (function): Change the type of
3773 ib_boundaries_block to VEC(tree,gc) *.
3774 * tree-inline.c (copy_cfg_body): Initialize
3775 ib_boundaries_block to NULL instead of (varray_type) 0.
3777 2006-04-12 Roger Sayle <roger@eyesopen.com>
3779 * expr.c (emit_group_store): Correct operand order in call to
3780 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3781 a SUBREG_BYTE of zero.
3783 2006-04-12 Richard Guenther <rguenther@suse.de>
3785 * profile.c (compute_branch_probabilities): Remove code
3786 encapsulated in !ir_type (), which are remanents of the
3787 removed RTL profiling code.
3788 * rtl-profile.c: Remove.
3790 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3792 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3793 magic NULL_RTX comment.
3794 (function_arg): Store entire fp arg to mem if any part should go
3796 (rs6000_arg_partial_bytes): Adjust for above change.
3798 2006-04-11 Roger Sayle <roger@eyesopen.com>
3800 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3801 if it hasn't been initialized by dwarf2out_init.
3803 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3805 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3806 symbolic constants in branch patterns.
3808 2006-04-11 Roger Sayle <roger@eyesopen.com>
3810 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3812 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3814 PR rtl-optimization/27073
3815 * gcse.c (try_replace_reg): Revert last change. Continue to search
3816 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3819 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3821 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3822 aggregate types other than record and union types.
3823 (function_arg): Likewise.
3824 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3826 (function_value): In 64-bit mode, return objects that require it
3829 2006-04-11 Roger Sayle <roger@eyesopen.com>
3831 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3833 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3835 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3837 2006-04-03 Jeff Law <law@redhat.com>
3840 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3841 alias information too.
3843 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3845 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3847 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3850 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3851 (premark_used_types_helper): New.
3852 (premark_used_types): New.
3853 (gen_subprogram_die): Call premark_used_types.
3854 (prune_unused_types_walk): Do not prune perennial dies.
3855 * function.c (used_types_insert): New.
3856 * function.h (struct function): Add used_types_hash field.
3857 (used_types_insert): Add prototype.
3858 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3859 * c-parser.c (c_parser_cast_expression): Save casted types in used
3862 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3865 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3866 rs6000_explicit_options.float_gprs.
3868 2006-04-10 Roger Sayle <roger@eyesopen.com>
3870 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3871 from ix86_expand_vector_init_low_nonzero. Take an additional
3872 one_var argument indicating which element is non-zero. Support
3873 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3874 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3875 with one_var instead of ix86_expand_vector_init_low_nonzero.
3877 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3879 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3880 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3881 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3882 build/genextract.o): Depend on vecprim.h.
3883 * cfglayout.c, df-problems.c, function.c, genextract.c,
3884 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3885 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3889 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3891 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3892 Declare VECs of this type.
3893 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3894 (remove_children): Delete.
3895 (add_dwarf_attr): Use VEC routines.
3896 (add_AT_flag): Update for changes to add_dwarf_attr.
3897 (add_AT_int): Likewise.
3898 (add_AT_unsigned): Likewise.
3899 (add_AT_long_long): Likewise.
3900 (add_AT_vec): Likewise.
3901 (add_AT_string): Likewise.
3902 (add_AT_die_ref): Likewise.
3903 (add_AT_fde_ref): Likewise.
3904 (add_AT_loc): Likewise.
3905 (add_AT_loc_list): Likewise.
3906 (add_AT_addr): Likewise.
3907 (add_AT_lbl_id): Likewise.
3908 (add_AT_lineptr): Likewise.
3909 (add_AT_macptr): Likewise.
3910 (add_AT_offset): Likewise.
3911 (add_AT_range_list): Likewise.
3912 (get_AT): Use VEC_iterate.
3913 (remove_AT): Use VEC_ordered_remove.
3914 (free_die): Fold remove_children into here; have it use VEC_iterate.
3915 (print_die): Use VEC_iterate on attrs.
3916 (reverse_die_lists): Don't reverse attr lists.
3917 (die_checksum): Use VEC_iterate on attrs.
3918 (same_die_p): Likewise.
3919 (output_location_lists): Likewise.
3920 (build_abbrev_table): Likewise.
3921 (size_of_die): Likewise.
3922 (unmark_all_dies): Likewise.
3923 (output_abbrev_section): Likewise.
3924 (output_die): Likewise.
3925 (prune_unused_types_walk_attribs): Likewise.
3927 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3929 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3931 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3934 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3936 2006-04-09 Roger Sayle <roger@eyesopen.com>
3938 * expr.c (store_constructor): Don't bother clearing target if
3939 we're about to assign a vector to it using vec_init_optab.
3941 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3943 * tree-ssa-alias.c (lhs_may_store_to): New function.
3944 (recalculate_used_alone): Handle LHS of calls.
3946 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3950 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3951 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3952 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3953 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3954 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3955 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3956 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3957 stubs. Add ".align 8" directives before all ".dword" directives.
3958 (GTHREAD_USE_WEAK): Revise comment.
3959 (TARGET_ATTRIBUTE_WEAK): Define.
3960 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3961 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3962 * stublib.c: New file.
3967 * pa.md (cbranch patterns): Revise arguments used in calls to
3968 output_cbranch, output_bb and output_bvd. Add long branch length
3970 (fbranch patterns): Handle long branches.
3971 (jump): Revise length check. Revise arguments for output_lbranch call.
3972 Add long branch length attributes.
3973 (decrement_and_branch_until_zero): Add long branch length attributes.
3974 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3975 Likewise. Revise arguments for output_parallel_addb and
3976 output_parallel_movb calls.
3977 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3978 output_parallel_movb and output_parallel_addb): Update prototypes.
3979 * pa.c (output_cbranch): Revise arguments. Correct handling of
3980 nullification in long branches.
3981 (output_lbranch): Add new argument to control extraction of delay
3983 (output_bb): Handle long branches.
3984 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3985 output_parallel_addb): Likewise.
3987 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3989 PR rtl-optimization/27073
3990 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3993 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3995 * tree.h (tree_memory_tag): Add old_used_alone.
3996 (SMT_OLD_USED_ALONE): New macro.
3997 * tree-ssa-alias.c (recalculate_used_alone): Stop
3998 marking things for renaming unnecessarily.
4000 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4002 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4003 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4004 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4005 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4006 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4007 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4008 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4009 spelling convensions.
4010 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4011 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4012 typos. Follow spelling conventions.
4014 2006-04-07 DJ Delorie <dj@redhat.com>
4016 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4017 passed on the stack.
4018 (m32c_init_cumulative_args): When a function returns a structure,
4019 always pass the pointer to that return area on the stack.
4020 (m32c_function_arg_advance): Don't increment the parameter number
4021 if we're processing the returned structure pointer.
4022 (pushm_info): Reverse order of registers.
4024 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4026 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4027 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4028 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4029 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4031 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4032 chrec_fold_multiply): Same.
4033 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4034 force_expr_to_var_cost): Same.
4035 * tree-mudflap.c (mf_xform_derefs_1): Same.
4036 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4038 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4040 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4041 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4044 2006-04-07 Jan Hubicka <jh@suse.cz>
4046 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4048 2006-04-07 Richard Guenther <rguenther@suse.de>
4050 PR tree-optimization/26135
4051 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4052 loads for store copy-prop.
4053 (copy_prop_visit_stmt): Likewise.
4055 2006-04-05 Robert Millan <robertmh@gnu.org>
4057 * config/i386/linux.h: Add a comment to mark macros that are
4058 being overriden in config/k*bsd-gnu.h.
4059 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4061 * config/knetbsd-gnu.h: Ditto.
4063 2006-04-06 Jan Hubicka <jh@suse.cz>
4067 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4070 2006-04-06 Mike Stump <mrs@apple.com>
4072 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4073 for HAVE_nonlocal_goto to be consistent.
4074 (expand_builtin_nonlocal_goto): Likewise.
4075 (expand_builtin_strcmp): Use #ifdef instead of #if
4076 for HAVE_cmpstrnsi to be consistent.
4078 2006-04-05 DJ Delorie <dj@redhat.com>
4080 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4083 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4085 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4086 got-relative addressing for anything but SImode.
4088 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4089 even if the calling function doesn't modify them.
4091 2006-04-05 Richard Guenther <rguenther@suse.de>
4093 PR tree-optimization/26919
4094 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4095 to cgraph_estimate_size_after_inlining.
4097 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4099 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4101 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4103 PR tree-optimization/26996
4104 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4105 VECTOR_TYPE variables.
4107 2006-04-05 Richard Guenther <rguenther@suse.de>
4109 PR tree-optimization/26763
4110 * fold-const.c (fold_comparison): Move folding of
4111 PTR + CST CMP PTR + CST ...
4112 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4114 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4116 * doc/install.texi (Prerequisites): Refine some wording on
4117 bootstrapping and ksh.
4118 Move the version numbers of DejaGnu here from the testing section
4119 and fix casing of names.
4120 Fix markup and clarify wording for autogen requirements.
4121 Refer to GCJ instead of just java.
4122 Refer to SVN instead of CVS.
4123 Describe diffutils as useful instead of necessary.
4124 (Downloading the source): Refer to SVN instead of CVS.
4125 Adjust a link to our web site accordingly.
4126 (Configuration): Fix casing of Bison.
4127 (Building): Refer to SVN instead of CVS.
4128 Fix a sentence on the use of Bison and remove duplicate (and
4129 incorrect) version number of Bison requirement.
4130 Remove one redundant list of packages needed for building.
4131 (Specific): Avoid reference to CVS.
4133 2006-04-04 Eric Christopher <echristo@apple.com>
4135 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4136 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4137 (rs6000_handle_struct_attribute): New.
4138 (rs6000_ms_bitfield_layout_p): Ditto.
4140 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4142 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4143 NULL for dso parameter to atexit_common.
4145 2006-04-04 Eric Christopher <echristo@apple.com>
4147 * config/i386/i386.c (machopic_output_stub): Output \t
4148 between instructions and operands.
4150 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4152 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4153 satisfies_constraint_[IL] to explicit tests on value.
4155 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4157 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4158 set_nb_iterations_in_loop): Use build_int_cst instead of
4160 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4161 build_int_cst instead of convert.
4163 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4165 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4166 new value 2 for incoming.
4167 * function.c (expand_function_start): Call struct_value_rtx
4169 * config/sparc/sparc.md: Comment updated_return.
4170 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4171 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4172 struct return if sparc_std_struct_return and incoming is 2.
4173 (print_operand): Do not adjust return if
4174 sparc_std_struct_return.
4176 2006-04-04 Roger Sayle <roger@eyesopen.com>
4178 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4179 convert in the middle-end.
4180 * expr.c (store_expr, store_constructor, get_inner_reference,
4181 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4183 * tree.c (build_range_type): Likewise.
4185 2006-04-04 Tom Tromey <tromey@redhat.com>
4187 * doc/install.texi (Prerequisites): Mention jar.
4189 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4191 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4194 2006-04-04 Matthias Klose <doko@debian.org>
4196 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4197 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4200 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4202 * doc/extend.texi (Function Attributes): Rewrite visibility
4203 attribute documentation.
4204 * doc/invoke.texi (C++ Dialect Options): Rewrite
4205 -fvisibility-inlines-hidden documentation to describe something
4206 entirely different, although in practise compatible.
4207 (Code Gen Options): Warn about system headers in -fvisibility=
4210 * doc/extend.texi (Other Builtins): Document that
4211 __builtin_nan is a compile-time constant only when its argument
4214 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4216 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4217 trying to remove TRUNCATE check if all bits outside the new mode
4218 are identical to the sign bit.
4220 2006-04-03 Jeff Law <law@redhat.com>
4222 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4223 and operand scanning in some common cases.
4225 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4226 Dale Johannesen <dalej@apple.com>
4229 * regclass.c (struct reg_pref): Update documentation.
4230 (regclass): Set prefclass to NO_REGS if memory is the best option.
4231 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4232 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4233 into account. For non-registers, equate an empty preferred
4234 reload class to a `!' in the constraint; move the if clause to
4235 do so after those that reject the insn.
4236 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4238 (find_dummy_reload): Likewise.
4239 * doc/tm.texi (Register Classes): Document what it means
4240 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4241 * config/i386/i386.c (ix86_preferred_reload_class): Force
4242 using SSE registers (and return NO_REGS for floating-point
4243 constants) if math is done with SSE.
4244 (ix86_preferred_output_reload_class): New.
4245 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4246 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4247 * config/i386/i386.md: Remove # register preferences.
4249 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4252 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4253 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4254 the type of nb_iter.
4255 (instantiate_parameters_1): Convert the operands before calling
4256 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4257 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4259 2006-04-02 Roger Sayle <roger@eyesopen.com>
4261 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4262 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4264 * dojump.c (do_jump): Likewise.
4265 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4266 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4267 gimplify_boolean_expr): Likewise.
4268 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4269 * varasm.c (array_size_for_constructor): Likewise.
4270 * tree-object-size.c (compute_object_offset): Likewise.
4272 2006-04-02 Roger Sayle <roger@eyesopen.com>
4275 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4276 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4278 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4280 PR tree-optimization/26939
4281 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4283 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4285 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4286 at_stmt. Convert the type of operands before calling
4287 build_polynomial_chrec.
4288 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4290 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4291 (instantiate_parameters_1): Convert the type of operands before calling
4292 build_polynomial_chrec.
4293 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4294 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4295 reset_evolution_in_loop): Insert asserts to check the types of the
4297 (chrec_type): Moved...
4298 (eq_evolutions_p): Use operand_equal_p.
4299 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4300 the types of the operands.
4301 (chrec_type): ...here.
4302 * tree-data-ref.c (create_data_ref): Convert the operands before
4303 calling chrec_replace_initial_condition.
4304 (same_access_functions, analyze_subscript_affine_affine,
4305 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4306 (compute_subscript_distance, analyze_ziv_subscript,
4307 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4308 analyze_miv_subscript): Convert the operands before calling
4309 chrec_fold_minus or chrec_fold_plus.
4311 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4313 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4314 the dependence_relations vector.
4315 (compute_data_dependences_for_loop): Adjust call to
4316 compute_all_dependences.
4318 2006-04-01 Roger Sayle <roger@eyesopen.com>
4319 Richard Henderson <rth@redhat.com>
4321 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4322 gimple_boolify on the condition before calling gimplify_expr.
4324 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4326 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4327 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4328 the frame size. Update to use the new macros.
4329 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4330 * config/xtensa/ieee754-df.S: Likewise.
4332 2006-03-31 Richard Henderson <rth@redhat.com>
4334 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4335 (make_edges): ... here. Control fallthru creation with a local
4336 variable. Do not play with fake edges.
4337 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4338 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4341 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4343 * dwarf2.h (DW64_CIE_ID): Define.
4344 * dwarf2out.c (DWARF_CIE_ID): Define.
4345 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4346 length header. Use DWARF_CIE_ID.
4347 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4348 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4350 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4352 * config/sh/linux-atomic.asm: New file.
4353 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4355 2006-03-31 DJ Delorie <dj@redhat.com>
4357 * config/m32c/cond.md: Set condition flags properly throughout.
4358 * config/m32c/minmax.md: Likewise.
4359 * config/m32c/prologue.md: Likewise.
4360 * config/m32c/bitops.md: Likewise.
4361 * config/m32c/muldiv.md: Likewise.
4362 * config/m32c/mov.md: Likewise.
4363 * config/m32c/addsub.md: Likewise.
4364 * config/m32c/m32c.md: Likewise.
4365 * config/m32c/jump.md: Likewise.
4366 * config/m32c/shift.md: Likewise.
4368 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4369 conditionally output the pattern for this.
4370 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4371 (m32c_compare_redundant): New.
4372 (m32c_output_compare): New.
4373 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4375 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4376 dest, not src. Allow other 4-byte modes.
4378 2006-03-30 Denis Chertykov <denisc@overta.ru>
4380 * doc/md.texi: Refer to avr/constraints.md instead of
4383 2006-03-30 Roger Sayle <roger@eyesopen.com>
4385 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4386 signed vs. unsigned comparison failures on some hosts.
4388 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4391 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4392 change to FLOAT_REGS.
4394 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4395 (rs6000_override_options): Use it.
4396 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4397 only for -mabi=spe/no-spe and -mabi=altivec.
4399 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4401 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4404 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4406 * Makefile.in: Rename docdir to gcc_docdir.
4408 2006-03-30 Roger Sayle <roger@eyesopen.com>
4411 * expr.c (emit_group_store): Optimize group stores into a pseudo
4412 register by using a paradoxical subreg to initialize the destination
4413 if the first or last member of the group specifies a "low part".
4415 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4418 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4419 * target.h (struct gcc_target.speculate_insn): Change type of the
4420 second parameter to 'int'.
4421 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4422 the second operand of the DEPS_LIST.
4423 (copy_DEPS_LIST_list): Update reference to the second operand of the
4425 * rtl.h (alloc_DEPS_LIST): Update signature.
4426 * sched-int.h (ds_t): Change typedef to 'int'.
4427 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4429 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4431 * haifa-sched.c (try_ready): Change condition to restore
4432 non-speculative pattern of the instruction.
4433 (process_insn_depend_be_in_spec): Code to keep probability of the
4434 speculative dependence non-decreasing.
4436 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4438 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4439 (single_move_for_movmem): ... this. Also change all uses.
4440 (bfin_expand_strmov): Renamed to...
4441 (bfin_expand_movmem): ... this. Also change all uses.
4442 * config/bfin/bfin.md (movstrsi): Renamed to...
4443 (movstrsi): ...this.
4445 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4447 PR tree-optimization/26830
4449 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4450 (copy_prop_visit_stmt): Remove write-only variable ann.
4451 (init_copy_prop): Check variable loop depth here. Do not simulate
4452 memory-tag and virtual operand PHIs except for store copy prop.
4454 2006-03-30 Richard Guenther <rguenther@suse.de>
4456 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4457 variants with double arguments.
4459 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4461 * genpreds.c (write_tm_constrs_h): Delete variable p.
4462 * genconditions.c (write_header): Add tm-constrs.h to included
4464 * genpeep.c (main): Add toplev.h to included headers.
4465 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4466 (build/genpeep.o): Add toplev.h dependency.
4467 * config/rs6000/constraints.md: Add "W" constraint.
4469 2006-03-29 Roger Sayle <roger@eyesopen.com>
4471 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4472 sizes by correctly testing whether the size fits a host integer.
4473 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4474 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4475 SImode range for the default sizetype and bitsizetype.
4477 2006-03-29 Roger Sayle <roger@eyesopen.com>
4479 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4480 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4481 quickly if the argument is already of the correct type.
4482 Call fold_build1 instead of build1. Tidy up blank lines.
4484 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4486 * genemit.c (main): Add tm-constrs.h to included headers.
4487 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4488 * genpeep.c (main): Add tm-constrs.h to included headers.
4489 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4490 (write_tm_constrs_h): this and write complete file.
4491 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4492 (write_insn_preds_c): Add tm-constrs.h to included headers.
4493 (gen_constrs): New variable.
4494 (parse_option): Parse "-c".
4495 (main): Invoke write_tm_constrs_h.
4496 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4497 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4498 (object_out_file): Add tm-constrs.h dependency.
4499 (insn-emit.o): Same.
4500 (insn-output.o): Same.
4501 (insn-peep.o): Same.
4502 (insn-preds.o): Same.
4503 (insn-recog.o): Same.
4504 (tm-constsr.h): New target.
4505 (s-constrs-h): New target.
4507 * config/rs6000/constraints.md: New file.
4508 * config/rs6000/rs6000.c: Include tm-constrs.h.
4509 (num_insn_constant_wide): Convert to satisfies_constraint.
4510 (rs6000_rtx_costs): Convert to satisfies_constraint.
4511 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4512 (CONST_OK_FOR_LETTER_P): Delete.
4513 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4514 (EXTRA_CONSTRAINT): Delete.
4515 (EXTRA_MEMORY_CONSTRAINT): Delete.
4516 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4517 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4518 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4519 satisfies_constraint.
4521 * config/i386/i386.c: Include tm-constrs.h.
4523 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4525 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4526 * tree-data-ref.c (find_data_references_in_loop,
4527 compute_data_dependences_for_loop): Use pointers to VEC.
4528 (analyze_all_data_dependences): Adjust calls.
4529 * tree-data-ref.h (find_data_references_in_loop,
4530 compute_data_dependences_for_loop): Adjust declarations.
4531 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4532 compute_data_dependences_for_loop.
4534 2006-03-29 Paul Brook <paul@codesourcery.com>
4536 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4539 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4541 PR tree-optimization/26859
4542 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4544 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4545 for the step after fold_convert.
4547 2006-03-29 Paul Brook <paul@codesourcery.com>
4549 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4550 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4552 2006-03-29 Paul Brook <paul@codesourcery.com>
4555 * targhooks.c (default_narrow_bitfield): New fuction.
4556 * targhooks.h (default_narrow_bitfield): add prototype.
4557 * target.h (gcc_target): Add narrow_volatile_bitfield.
4558 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4559 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4560 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4561 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4563 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4565 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4567 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4568 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4569 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4570 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4571 (s390_function_arg_float): Allow SDmode and DDmode values to be
4572 passed in floating point registers.
4573 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4574 check with SCALAR_FLOAT_MODE_P.
4575 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4577 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4579 PR tree-optimization/25985
4580 * tree-ssa-loop-niter.c (number_of_iterations_le,
4581 number_of_iterations_ne): Make comments more precise.
4582 (number_of_iterations_cond): Add only_exit argument. Use the
4583 fact that signed variables do not overflow only when only_exit
4585 (loop_only_exit_p): New.
4586 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4587 number_of_iterations_cond.
4589 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4591 PR tree-optimization/26643
4592 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4595 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4597 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4598 (divsi3_i4_int): Likewise.
4600 2006-03-28 Roger Sayle <roger@eyesopen.com>
4602 * expr.c (emit_group_store): Only create a new pseudo reg if the
4603 quantity it needs to hold isn't already a suitable pseudo.
4605 2006-03-28 Jeff Law <law@redhat.com>
4607 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4608 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4610 2006-03-28 Roger Sayle <roger@eyesopen.com>
4612 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4613 the equivalent ~X & Y, and the symmetry related transformations.
4614 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4615 ~X & Y, and symmetry related transforms.
4617 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4619 Revert my 2006-03-27 patches.
4621 2006-03-28 Roger Sayle <roger@eyesopen.com>
4623 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4624 ~(T1)X, when T1 and T2 are integer types of the same precision
4625 and (T2)X isn't an extension.
4627 2006-03-28 Jeff Law <law@redhat.com>
4629 PR tree-optimization/26796
4630 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4631 need EH edge cleanups rather than purging them immediately.
4632 (eliminate_degenerate_phis): Handle queued EH cleanups.
4634 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4636 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4639 2006-03-27 Roger Sayle <roger@eyesopen.com>
4642 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4643 cast BIT_NOT_EXPR operand to the correct type.
4645 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4647 * tree-loop-linear.c: Don't include varray.h.
4648 (gather_interchange_stats, try_interchange_loops,
4649 linear_transform_loops): Use VEC instead of VARRAY.
4650 * lambda-mat.c: Don't include varray.h.
4651 * tree-chrec.c: Same.
4652 * lambda-trans.c: Same.
4653 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4654 VEC instead of VARRAY.
4655 * tree-vectorizer.h: Idem.
4656 * tree-data-ref.c (dump_data_references,
4657 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4658 initialize_data_dependence_relation, finalize_ddr_dependent,
4659 compute_all_dependences, find_data_references_in_loop,
4660 compute_data_dependences_for_loop, analyze_all_data_dependences,
4661 free_dependence_relation, free_dependence_relations,
4662 free_data_refs): Idem.
4663 * tree-data-ref.h (data_reference_p, subscript_p): New.
4664 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4665 VEC instead of VARRAY.
4666 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4667 (find_data_references_in_loop, compute_data_dependences_for_loop,
4668 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4669 dump_data_dependence_relations, free_dependence_relations,
4670 free_data_refs): Adjust declaration.
4671 (lambda_transform_legal_p): Move declaration here...
4672 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4673 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4674 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4675 vect_analyze_data_refs): Use VEC instead of VARRAY.
4676 * lambda.h (lambda_transform_legal_p): ...from here.
4677 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4678 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4679 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4680 tree-chrec.o): Don't depend on VARRAY_H.
4682 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4684 * rtl.def (Copyright): Update date.
4685 (DEPS_LIST): Change type of the second operand to 'int'.
4686 * target.h (Copyright): Update date.
4687 (struct gcc_target.speculate_insn): Change type of the second parameter
4689 * lists.c (Copyright): Update date.
4690 (alloc_DEPS_LIST): Change signature. Update reference to the second
4691 operand of the DEPS_LIST.
4692 (copy_DEPS_LIST_list): Update reference to the second operand of the
4694 * rtl.h (Copyright): Update date.
4695 (alloc_DEPS_LIST): Update signature.
4696 * sched-int.h (Copyright): Update date.
4697 (ds_t): Change typedef to 'int'.
4698 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4700 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4702 * haifa-sched.c (Copyright): Update date.
4703 (try_ready): Change condition to restore non-speculative pattern
4705 (process_insn_depend_be_in_spec): Code to keep probability of the
4706 speculative dependence non-decreasing.
4708 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4710 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4711 shut up the compiler.
4713 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4715 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4716 to use lib prefix for target.
4717 ($(T)libic_invalidate_array_4-200.a): Likewise.
4718 ($(T)libic_invalidate_array_4a.a): Likewise.
4720 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4721 J"orn Rennecke <joern.rennecke@st.com>
4723 * superh.opt: New file.
4724 * sh.c (boardtype, osruntime): Remove.
4725 * superh.h (SUBTARGET_OPTIONS): Remove.
4726 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4728 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4729 arguments with ^ and/or [].
4731 * config.gcc (sh-*-*): Add quoting to account for quirk of
4733 Replace == with = in enable_incomplete_targets test.
4735 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4736 with MASK_LITTLE_ENDIAN.
4738 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4739 * config/sh/sh.opt: Added to some comments.
4740 * config/sh/superh.h: Removed some chaff.
4742 * config/sh/sh.opt: Add m4-[1234]00* options.
4743 * config/sh/sh.c (sh_handle_option): Likewise.
4744 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4745 (ic_invalidate_array_4-100.o): New rule.
4746 ($(T)libic_invalidate_array_4-100.a): Likewise.
4747 (ic_invalidate_array_4-200.o): Likewise.
4748 ($(T)libic_invalidate_array_4-200.a): Likewise.
4749 (ic_invalidate_array_4a.o): Likewise.
4750 ($(T)libic_invalidate_array_4a.a): Likewise.
4751 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4752 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4754 * config/sh/crt1.asm: Merged in profiling code.
4755 * config/sh/superh.h (STARTFILE_SPEC): Override.
4756 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4757 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4758 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4760 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4761 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4762 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4764 * sh.opt (mpretend-cmove): New option.
4765 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4766 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4767 (movsicc): Add TARGET_PRETEND_CMOVE code.
4769 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4771 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4772 s390_class_max_nregs): New function prototypes.
4773 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4774 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4775 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4776 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4778 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4780 * dwarf2out.c (add_location_or_const_value_attribute): Call
4781 tree_add_const_value_attribute if nothing else works.
4782 (reference_to_unused): New.
4783 (rtl_for_decl_init): Use reference_to_unused to decide whether
4784 to output an initializer.
4786 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4789 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4790 peephole removing spe frob_di_df_2.
4792 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4794 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4795 (subscript_dependence_tester_1): Declared.
4796 (print_dir_vectors, print_dist_vectors): New.
4797 (debug_data_dependence_relation): New.
4798 (dump_data_dependence_relation): Print more details.
4799 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4800 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4801 (save_dist_v, save_dir_v, add_outer_distances,
4802 build_classic_dist_vector_1): New.
4803 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4804 Don't test for lambda_vector_lexico_pos.
4805 (same_access_functions, add_multivariate_self_dist,
4806 add_other_self_distances, dir_from_dist): New.
4807 (build_classic_dir_vector): Replace implementation almost identical to
4808 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4810 (subscript_dependence_tester_1): New.
4811 (subscript_dependence_tester): Handle the lexicographically negative
4812 distance vectors by recomputing the dependence relation.
4813 (compute_affine_dependence): Remove parameter loop_nest_depth.
4814 (compute_self_dependence): Don't call compute_subscript_distance.
4815 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4816 Add a parameter for the loop_nest.
4817 (find_loop_nest_1, find_loop_nest): New.
4818 (compute_data_dependences_for_loop): Compute the loop nest, and give
4819 up if the nest is not well formed.
4820 * tree-data-ref.h (loop_p): New.
4821 (struct data_dependence_relation): Replace size_vect field with
4822 loop_nest, a vec of loops.
4823 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4824 (DDR_LOOP_NEST): New.
4825 (print_dir_vectors, print_dist_vectors,
4826 debug_data_dependence_relation): Declared.
4827 (index_in_loop_nest): New.
4828 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4829 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4832 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4834 * simplify-rtx.c (simplify_relational_operation): Call
4835 simplify_relational_operation_1 even if mode is VOIDmode.
4837 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4839 PR tree-optimization/26804
4840 * tree.h (DECL_CALL_CLOBBERED): New macro.
4841 (tree_decl_common): Add call_clobbered_flag.
4842 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4843 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4844 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4845 (mark_non_addressable): Ditto.
4846 * tree-ssa.c (verify_call_clobbered): New function.
4847 (verify_alias_info): Use it.
4848 * tree-pass.h (pass_reset_cc_flags): New prototype.
4849 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4850 (reset_cc_flags): New function.
4851 * passes.c (init_optimization_passes): Call reset_cc_flags after
4852 initializing referenced_vars.
4854 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4855 Roger Sayle <roger@eyesopen.com>
4858 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4859 to 1.0 for non-real operands. Implement A / A optimization for
4862 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4864 * config/i386/i386.c (size_cost): Correct the comment for
4865 cost of storing fp registers.
4866 (i386_cost): Likewise.
4867 (i486_cost): Likewise.
4868 (pentium_cost): Likewise.
4869 (pentiumpro_cost): Likewise.
4870 (k6_cost): Likewise.
4871 (athlon_cost): Likewise.
4872 (k8_cost): Likewise.
4873 (pentium4_cost): Likewise.
4874 (nocona_cost): Likewise.
4875 (generic64_cost): Likewise.
4876 (generic32_cost): Likewise.
4878 2006-03-24 Denis Chertykov <denisc@overta.ru>
4880 * config/avr/avr-protos.h (extra_constraint): Delete.
4881 (extra_constraint_Q): New declaration.
4882 * config/avr/constraints.md: New file.
4883 * config/avr/avr.md: Include it.
4884 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4885 (TMP_REGNO, ZERO_REGNO): Likewise.
4886 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4887 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4888 (extra_constraint): Delete.
4889 (extra_constraint_Q): Test for memory constraint 'Q'.
4890 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4891 (REG_CLASS_FROM_LETTER): Delete.
4892 (CONST_OK_FOR_LETTER_P): Delete.
4893 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4894 (EXTRA_CONSTRAINT): Delete.
4895 (TMP_REGNO): Delete.
4896 (ZERO_REGNO): Delete.
4898 2006-03-24 Jeff Law <law@redhat.com>
4900 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4901 directly. Call mark_new_vars_to_rename slightly earlier.
4903 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4905 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4907 (gen_compile_unit_die): Use new language types for Objective-C and
4909 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4910 DW_LANG_C_plus_plus.
4913 * config/t-darwin (crt3.o): Work around bug 26840.
4914 * config/darwin-crt3.c: Rewrite.
4915 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4917 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4919 * doc/invoke.texi: Document -femit-class-debug-always
4920 * common.opt: Add -femit-class-debug-always.
4922 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4924 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4925 index and base register.
4926 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4927 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4928 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4929 REGNO_OK_FOR_INDEX_P.
4930 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4932 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4933 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4934 REG_OK_FOR_BASE_P): Definitions removed.
4936 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4939 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4940 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4941 set yet or weren't marked as local yet.
4943 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4945 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4948 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4950 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4951 (rs6000_legitimate_small_data_p): Delete.
4952 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4953 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4954 and make static. Add forward declaration. Update uses.
4955 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4956 of offsettable_memref_p.
4957 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4958 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4960 2006-03-24 Jeff Law <law@redhat.com>
4962 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4963 around bug in immediate-use iterator.
4965 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4968 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4969 or __LITTLE_ENDIAN__.
4971 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4973 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4974 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4975 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4976 * config/sh/sh.opt (mdiv=): Amend description.
4977 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4978 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4979 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4980 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4981 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4982 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4983 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4984 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4985 TARGET_DIVIDE_CALL_FP.
4987 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4989 * haifa-sched.c (choose_ready): Fix type of the local variable.
4990 Move local variables. Add comment.
4991 (check_reg_live): Change signature. Make callable from debugger.
4992 * sched-int.h (check_reg_live): Update signature.
4993 * sched-ebb.c (check_reg_live): Update parameters.
4994 * sched-rgn.c (check_reg_live): Ditto.
4995 (region_head_or_leaf_p): Check pointer before dereferencing.
4996 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4997 before reload on optimization levels below 1.
4999 2006-03-23 Richard Henderson <rth@redhat.com>
5001 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5005 * config/alpha/predicates.md (local_symbolic_operand): Reject
5008 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5011 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5012 expressions which have overflowed constants.
5014 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5016 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5018 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5020 * cfgloopmanip.c (create_loop_notes): Removed.
5021 * final.c (final_scan_insn): Do not handle loop notes.
5022 * jump.c (squeeze_notes): Ditto.
5023 * cfglayout.c (skip_insns_after_block,
5024 duplicate_insn_chain): Ditto.
5025 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5027 * cfgloop.h (create_loop_notes): Declaration removed.
5029 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5031 * varasm.c (output_constant_pool): Restore fnname and fndecl
5033 (assemble_start_function): Adjust call accordingly.
5034 (assemble_end_function): Likewise.
5036 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5039 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5042 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5044 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5047 * system.h (ICE_EXIT_CODE): New macro.
5048 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5049 (diagnostic_action_after_output): Likewise.
5050 * gcc.c (fatal_ice): New function.
5051 (execute): Use it instead of fatal.
5052 (fancy_abort): Likewise.
5053 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5055 2006-03-22 Jeff Law <law@redhat.com>
5057 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5058 iv_analyze_result returning false.
5060 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5062 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5064 2006-03-22 Richard Henderson <rth@redhat.com>
5067 * except.c (duplicate_eh_regions_0): New.
5068 (duplicate_eh_region_1): Duplicate the children of the node as
5069 well as the node itself. Link them up properly.
5070 (duplicate_eh_region_2): Merge into ...
5071 (duplicate_eh_regions): ... here. Take copy_region argument, and
5072 copy only a sub-tree if asked. Simplify copying and fixup.
5073 (eh_region_outer_p): New.
5074 * except.h (duplicate_eh_regions): Update decl.
5075 (eh_region_outer_p): Declare.
5076 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5077 (lower_omp_master): Likewise.
5078 (lower_omp_ordered): Likewise.
5079 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5080 (move_stmt_r): Use it to remap labels. Handle recursion vs
5081 remap_decls_p properly.
5082 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5083 (find_outermost_region_in_block): New.
5084 (new_label_mapper): New.
5085 (move_sese_region_to_fn): Copy eh information to the new function
5087 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5089 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5092 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5094 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5095 into shared libraries.
5097 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5099 * doc/md.texi: Refer to i386/constraints.md instead of
5101 * config/i386/constraints.md: New file, extracted from...
5102 * config/i386/predicates.md: ...here.
5103 * config/i386/i386.md: Include constraints.md.
5105 2006-03-21 Jason Merrill <jason@redhat.com>
5107 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5110 * expr.c (init_block_move_fn): Force default visibility.
5111 (init_block_clear_fn): Likewise.
5112 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5113 * targhooks.c (default_external_stack_protect_fail): Likewise.
5115 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5117 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5118 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5119 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5120 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5121 (loadgp): Use mips_current_loadgp_style.
5122 (loadgp_noshared): New pattern.
5123 (sibcall_internal): Use MIPS_CALL.
5124 (sibcall_value_internal): Likewise.
5125 (sibcall_value_multiple_internal): Likewise.
5126 (call_internal): Likewise.
5127 (call_value_internal): Likewise.
5128 (call_value_multiple_internal): Likewise.
5129 (call_split): Use MIPS_CALL and add an 'S' constraint.
5130 (call_value_split): Likewise.
5131 (call_value_multiple_split): Likewise.
5132 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5133 (-mshared): New option.
5134 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5135 (mips_current_loadgp_style): Declare.
5136 * config/mips/mips.c (mips_classify_symbol): Avoid using
5137 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5138 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5139 TARGET_ABSOLUTE_ABICALLS.
5140 (override_options): Adjust comments. Improve the warning that is
5141 issued when -mabicalls and -G are used together.
5142 (mips_file_start): Remove comment.
5143 (mips_current_loadgp_style): New function.
5144 (mips_gnu_local_gp): New variable.
5145 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5147 (mips_output_function_prologue): Use mips_current_laodgp_style.
5148 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5149 the cprestore instruction.
5150 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5151 live for TARGET_ABSOLUTE_ABICALLS.
5152 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5153 (ASM_SPEC): Pass down -mshared and -mno-shared.
5154 (MIPS_CALL): New macro.
5155 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5157 * doc/invoke.texi (-mabicalls): Update documentation.
5158 (-mshared): Document.
5160 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5162 * config/ia64/unwind-hpux.c: New file.
5163 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5165 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5168 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5170 2006-03-21 Jeff Law <law@redhat.com>
5172 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5173 type conversions of a VR_VARYING source to a wider type.
5175 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5177 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5178 tm_file on Solaris 10 and later.
5179 (sparc64-*-solaris2*): Likewise.
5180 (sparc-*-solaris2*): Likewise.
5181 * config/sol26.h: Rename to config/sol2-6.h.
5182 * config/sol2-10.h: New file.
5184 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5187 * tree-ssa-pre.c (create_component_ref_by_pieces):
5190 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5193 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5194 return it immediately.
5196 2006-03-21 Michael Matz <matz@suse.de>
5198 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5200 (remove_arc, add_arc): Update num_out_arcs member.
5201 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5203 (cache_presence): New function.
5204 (compare_states_for_equiv): New function.
5205 (state_is_differed): Don't take number of outargs, adjust callers.
5206 Use new invariant for speeding up.
5207 (init_equiv_class): Create initial classes based on sorted
5209 (partition_equiv_class): Don't track out_arcs_num.
5210 (evaluate_equiv_classes): Call cache_presence on all states and
5213 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5215 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5216 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5217 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5218 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5220 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5221 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5222 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5223 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5224 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5226 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5227 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5228 (REGNO_REG_CLASS): ARGP is in PREGS.
5229 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5231 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5232 to deal with those addresses.
5233 * addresses.h: New file.
5234 * caller-save.c: Include "addresses.h".
5235 (init_caller_save): Use new base_reg_class function.
5236 * rtl-factoring.c: Include "addresses.h".
5237 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5238 * recog.c: Include "addresses.h".
5239 (preprocess_constraints): Use new base_reg_class function.
5240 * regrename.c: Include "addresses.h".
5241 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5242 functions. Keep track of a new var INDEX_CODE to compute valid
5244 (replace_oldest_value_addr): Likewise.
5245 (replace_oldest_value_mem): Use base_reg_class.
5246 * reload.c: Include "addresses.h".
5247 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5248 (find_reloads): Use new base_reg_class function.
5249 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5250 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5251 all callers and prototype changed.
5252 * reload1.c: Include "addresses.h".
5253 (maybe_fix_stack_asms): Use base_reg_class.
5254 * regclass.c: Include "addresses.h".
5255 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5256 (init_reg_autoinc): Use new base_reg_class function.
5257 (record_reg_classes): Likewise.
5258 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5259 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5260 Use new args to compute necessary class.
5262 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5263 regrename.o, rtl-factoring.o): Update dependencies.
5264 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5265 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5266 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5267 REG_OK_FOR_INDEX_P): Delete documentation.
5269 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5271 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5272 from V7 to V9 for Solaris 7 and above.
5274 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5276 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5277 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5278 argument pointers may not alias any other storage.
5279 * common.opt: Define option -fargument-noalias-anything.
5280 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5281 alias semantics is specified by flag_argument_noalias > 2.
5283 2006-03-20 Jeff Law <law@redhat.com>
5285 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5286 (pass_phi_only_cprop): Declare.
5287 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5289 * tree-ssa-dom.c (degenerate_phi_result): New function.
5290 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5291 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5292 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5293 (eliminate_degenerate_phis): Likewise.
5294 (pass_phi_only_cprop): New pass descriptor.
5295 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5296 support code. Callers updated.
5297 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5298 (store_copy_prop): Likewise.
5299 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5301 2006-03-20 Jason Merrill <jason@redhat.com>
5304 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5305 (push_visibility, pop_visibility): Likewise.
5306 * c-pragma.h: Declare them.
5308 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5310 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5312 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5313 parameter and use get_ebb_head_tail.
5314 (sh_md_init_global): Adjust uses of find_regmode_weight.
5316 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5318 * function.h (struct function) <x_tail_recursion_reentry>:
5319 Rename to x_stack_check_probe_note.
5320 (tail_recursion_reentry): Rename to stack_check_probe_note.
5321 * function.c: Replace tail_recursion_reentry with
5322 stack_check_probe_note everywhere.
5323 (expand_function_start): Only emit a note for
5324 stack_check_probe_note with -fstack-protect.
5325 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5327 * emit-rtl.c (remove_unnecessary_notes): Remove.
5328 (pass_remove_unnecessary_notes): Remove.
5329 * rtl.h (remove_unnecessary_notes): Remove prototype.
5330 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5331 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5332 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5334 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5337 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5338 (valid_in_set): Handle ARRAY_REF.
5339 Change "if min_variant or VH" to asserts.
5340 (create_component_ref_by_pieces): Handle ARRAY_REF.
5341 (create_expression_by_pieces): Likewise.
5342 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5344 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5346 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5347 is operand of switch, not str[0].
5349 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5351 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5352 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5354 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5356 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5357 end of insn_extra_address_constraint declaration.
5359 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5361 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5362 (no-sum-in-toc): Same.
5363 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5365 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5366 NO_FP_IN_TOC for -fPIC instead of mask.
5368 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5369 (BOOT_LDFLAGS): Delete.
5371 * config/rs6000/t-aix52: Same.
5373 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5374 (stmsi[345678]_power): New.
5376 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5378 * config/ia64/ia64.opt: Add empty line to end of file.
5380 2006-03-17 Richard Guenther <rguenther@suse.de>
5383 * builtins.c (get_pointer_alignment): For component style references
5384 adjust alignment to the component type alignment. Make sure
5385 to adjust alignment for component access of constants.
5387 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5389 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5392 2006-03-17 Paul Brook <paul@codesourcery.com>
5394 * doc/install.texi: Docuemnt --with-mode.
5395 * config.gcc: Add --with-mode for arm*-*-*.
5396 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5398 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5400 * sh.c (max_labelno_before_reorg): New variable.
5401 (sh_reorg): Initialize it.
5402 (find_barrier): Check max_labelno_before_reorg before using
5403 label_to_alignment. Take length of explicit alignment insns
5404 into account. When seeing a UNSPECV_CONST_END, return it.
5406 * sh.c (fixup_mova): Set mode of affected label to QImode.
5407 (untangle_mova): New function.
5408 (find_barrier): Use it. Check mode of label before decrementing
5410 (sh_reorg): Likewise.
5411 Set mode of all insns back to VOIDmode.
5413 * sh.c (MOVA_LABELREF): New macro.
5414 (mova_p, fixup_mova, sh_reorg): Use it.
5415 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5416 ADDR_DIFF_VEC matches mova.
5418 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5420 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5421 with ATTRIBUTE_UNUSED.
5423 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5425 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5426 pointer, instead of assuming it is possible to derive the
5427 correct args size from a call insn.
5429 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5431 * rtl.h (CONST_INT_P): Define.
5432 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5433 instead of GET_CODE(x) == CONST_INT.
5434 (vax_rtx_costs): Likewise.
5435 (vax_output_int_move): Likewise.
5436 (vax_output_int_add): Likewise.
5437 (legitimate_constant_address_p): Likewise.
5438 (index_term_p): Likewise.
5439 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5440 * config/vax/vax.md (and<mode>3): Likewise.
5441 (ashrsi3): Likewise.
5443 (movstricthi): Likewise.
5444 (movstrictqi): Likewise.
5445 (rotrsi3): Likewise.
5446 (five unnamed insns): Likewise.
5448 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5450 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5451 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5452 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5453 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5454 Pass to ASM_OUTPUT_DWARF_OFFSET.
5455 * dwarf2out.c (debug_frame_section): New.
5456 (output_call_frame_info): Use debug_frame_section. Pass it to
5457 dw2_asm_output_offset.
5458 (output_die): Pass appropriate section to dw2_asm_output_offset.
5459 (output_compilation_unit_header): Likewise.
5460 (output_pubnames): Likewise.
5461 (output_aranges): Likewise.
5462 (enum dw_val_class): Break dw_val_class_lbl_offset into
5463 dw_val_class_lineptr and dw_val_class_macptr.
5464 (add_AT_lbl_offset): Delete.
5465 (add_AT_lineptr): New.
5466 (add_AT_macptr): New.
5467 (AT_lbl): Expect a lineptr or macptr.
5468 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5469 (attr_checksum): Likewise.
5470 (same_dw_val_p): Likewise.
5471 (size_of_die): Likewise.
5472 (value_format): Likewise.
5473 (output_die): Likewise.
5474 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5476 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5477 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5478 * config/darwin-protos.h (darwin_file_start): New.
5479 (darwin_asm_output_dwarf_offset): New.
5480 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5481 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5483 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5484 if not EH section; simplify.
5485 (darwin_file_start): New.
5486 (darwin_asm_output_dwarf_offset): New.
5487 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5489 (DEBUG_INFO_SECTION): Likewise.
5490 (DEBUG_ABBREV_SECTION): Likewise.
5491 (DEBUG_ARANGES_SECTION): Likewise.
5492 (DEBUG_MACINFO_SECTION): Likewise.
5493 (DEBUG_LINE_SECTION): Likewise.
5494 (DEBUG_LOC_SECTION): Likewise.
5495 (DEBUG_PUBNAMES_SECTION): Likewise.
5496 (DEBUG_STR_SECTION): Likewise.
5497 (DEBUG_RANGES_SECTION): Likewise.
5498 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5499 (ASM_OUTPUT_DWARF_OFFSET): New.
5501 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5503 * config.gcc (tm_defines): Always add to previous value rather
5506 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5508 * config/mips/predicates.md (splittable_const_int_operand): New,
5509 split from move_operand.
5510 (splittable_symbolic_operand): New.
5511 (move_operand): Add commentary. Use splittable_const_int_operand.
5512 Inline mips_atomic_symbolic_constant_p.
5513 * config/mips/mips.md: Add combine splitters for handling moves
5514 of splittable_const_int_operands and splittable_symbolic_operands.
5515 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5516 (mips_split_symbol): Declare.
5517 (mips_move_integer): Declare.
5518 * config/mips/mips.c (mips_split_p): Make global.
5519 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5520 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5521 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5522 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5523 (mips_offset_within_object_p): Handle block symbols.
5524 (mips_atomic_symbolic_constant_p): Delete.
5525 (mips_cannot_force_const_mem): Return false for constants that
5526 mips_legitimize_move can handle.
5527 (mips_use_blocks_for_constant_p): New function.
5528 (mips_split_symbol): Make global.
5529 (mips_move_integer): Likewise. Add a temporary register argument.
5530 (mips_legitimize_const_move): Use splittable_const_int_operand and
5531 splittable_symbolic_operand.
5532 (mips_use_anchors_for_symbol_p): New function.
5533 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5534 (mips_split_p): Declare.
5536 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5538 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5539 (mips*-*-linux*): Likewise.
5541 2006-03-16 Roger Sayle <roger@eyesopen.com>
5542 Daniel Speyer <dspeyer@wam.umd.edu>
5545 * tree-dump.c (dump_real): New function.
5546 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5547 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5548 (tree-dump.o): Add $(REAL_H) to the dependencies.
5550 2006-03-16 Roger Sayle <roger@eyesopen.com>
5553 * real.c (real_from_string): If the mantissa is zero, don't bother
5554 parsing the exponent as the result should always be zero.
5556 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5558 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5560 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5562 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5563 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5564 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5565 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5566 ia64_sched_finish_global): New static functions to implement
5567 hooks from gcc_target.sched.
5568 (spec_check_no, max_uid, pending_data_specs): New static variables.
5569 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5570 ia64_spec_check_src_p): New static functions.
5571 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5572 (TARGET_SCHED_ADJUST_COST): Removed.
5573 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5574 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5575 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5576 TARGET_SCHED_GEN_CHECK,
5577 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5578 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5579 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5580 Fixed to handle speculation checks.
5581 (rtx_needs_barrier): Fixed to handle speculative loads and
5583 (ia64_variable_issue): Added code to count speculative loads and their
5585 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5587 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5589 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5591 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5592 (ia64_reorg): Reset stops_p to NULL after it is freed.
5593 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5594 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5595 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5597 (data_speculative, control_speculative, check_load): New attributes.
5598 (mov<mode>_advanced, mov<mode>_speculative,
5599 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5600 zero_extend<mode>di2_speculative,
5601 zero_extend<mode>di2_speculative_advanced): New patterns for
5602 data and control speculative loads.
5603 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5605 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5606 New pattern for data and control speculation checks.
5607 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5608 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5609 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5610 Auxiliary definitions for the patterns.
5611 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5612 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5614 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5616 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5617 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5618 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5619 New resource constraints.
5620 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5622 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5623 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5624 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5625 msched-in-control-spec, msched-ldc, msched-control-ldc,
5626 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5627 msched-prefer-non-control-spec-insns,
5628 msched-count-spec-in-critical-path): New flags to tune speculative
5630 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5631 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5632 msched-in-control-spec, msched-ldc, msched-control-ldc,
5633 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5634 msched-prefer-non-control-spec-insns,
5635 msched-count-spec-in-critical-path): Document new flags.
5637 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5639 * target.h (struct spec_info_def): New opaque declaration.
5640 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5641 speculate_insn, needs_block_p, gen_check,
5642 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5643 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5644 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5645 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5646 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5647 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5649 (TARGET_SCHED): Use new macros.
5650 * rtl.h (copy_DEPS_LIST_list): New prototype.
5651 * sched-int.h (struct sched_info): Change signature of new_ready field,
5652 adjust all initializations. New fields: add_remove_insn,
5653 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5654 region_head_or_leaf_p.
5655 (struct spec_info_def): New structure declaration.
5656 (spec_info_t): New typedef.
5657 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5658 recovery_block, orig_pat.
5659 (glat_start, glat_end): New variables declaraions.
5660 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5662 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5663 DETACH_LIFE_INFO, USE_GLAT.
5664 (enum SPEC_SCHED_FLAGS): New enumeration.
5665 (NOTE_NOTE_BB_P): New macro.
5666 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5667 attach_life_info, debug_spec_status, check_reg_live): New functions.
5668 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5669 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5671 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5672 * ddg.c (get_block_head_tail): Adjust all uses.
5673 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5674 (sms_sched_info): Initialize new fields.
5675 (contributes_to_priority): Removed.
5676 * haifa-sched.c (params.h): New include.
5677 (get_block_head_tail): Adjust all uses.
5678 (ISSUE_POINTS): New macro.
5679 (glat_start, glat_end): New global variables.
5680 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5681 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5682 old_last_basic_block, before_recovery, current_sched_info_var,
5683 rgn_n_insns, luid): New static variables.
5684 (insn_cost1): New function. Move logic from insn_cost to here.
5685 (find_insn_reg_weight1): New function. Move logic from
5686 find_insn_reg_weight to here.
5687 (reemit_notes, move_insn, max_issue): Change signature.
5688 (move_insn1): Removed.
5689 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5690 extend_bb): New static functions to support extension of scheduler's
5692 (generate_recovery_code, process_insn_depend_be_in_spec,
5693 begin_speculative_block, add_to_speculative_block,
5694 init_before_recovery, create_recovery_block, create_check_block_twin,
5695 fix_recovery_deps): New static functions to support
5696 generation of recovery code.
5697 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5698 restore_bb_notes, move_block_after_check, move_succs): New static
5699 functions to support ebb scheduling.
5700 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5701 functions to support handling of register live information.
5702 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5703 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5704 add_jump_dependencies): New static functions.
5705 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5706 consistancy checking.
5707 (debug_spec_status): New function to call from debugger.
5708 (priority): Added code to handle speculation checks.
5709 (rank_for_schedule): Added code to distinguish speculative instructions.
5710 (schedule_insn): Added code to handle speculation checks.
5711 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5712 Fixed to handle ebbs.
5713 (move_insn): Added code to handle ebb scheduling.
5714 (max_issue): Added code to use ISSUE_POINTS of instructions.
5715 (choose_ready): Added code to choose between speculative and
5716 non-speculative instructions.
5717 (schedule_block): Added code to handle ebb scheduling and scheduling of
5718 speculative instructions.
5719 (sched_init): Initialize new variables.
5720 (sched_finish): Free new variables. Print statistics.
5721 (try_ready): Added code to handle speculative instructions.
5722 * lists.c (copy_DEPS_LIST_list): New function.
5723 * sched-deps.c (extend_dependency_caches): New function. Move logic
5724 from create_dependency_caches to here.
5725 (get_dep_weak, ds_merge): Make global.
5726 * genattr.c (main): Code to output prototype for
5727 dfa_clear_single_insn_cache.
5728 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5729 (output_dfa_clean_insn_cache_func): Code to output
5730 dfa_clear_single_insn_cache function.
5731 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5733 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5735 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5736 New static variables.
5737 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5738 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5740 (ebb_sched_info): Initialize new fields.
5741 (get_block_head_tail): Adjust all uses.
5742 (compute_jump_reg_dependencies): Fixed to use glat_start.
5743 (schedule_ebb): Code to remove unreachable last block.
5744 (schedule_ebbs): Added code to update register live information.
5745 * sched-rgn.c (region_sched_info): Initialize new fields.
5746 (get_block_head_tail): Adjust all uses.
5747 (last_was_jump): Removed. Adjust users.
5748 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5749 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5750 Implement new hooks.
5751 (check_dead_notes1): New static function.
5752 (struct region): New fields: dont_calc_deps, has_real_ebb.
5753 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5754 (BB_TO_BLOCK): Fixed to handle EBBs.
5755 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5756 (ebb_head): New static variable.
5757 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5758 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5760 (compute_dom_prob_ps): New assertion.
5761 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5762 global_live_at_start.
5763 (init_ready_list): New assertions.
5764 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5765 (new_ready): Add support for BEGIN_CONTROL speculation.
5766 (schedule_insns): Fixed code that updates register live information
5768 (schedule_region): Fixed to handle EBBs.
5769 (init_regions): Use extend_regions and check_dead_notes1.
5770 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5771 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5772 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5773 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5774 TARGET_SCHED_GEN_CHECK,
5775 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5776 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5777 * doc/invoke.texi (max-sched-insn-conflict-delay,
5778 sched-spec-prob-cutoff): Document.
5780 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5782 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5783 inter_tick, queue_index.
5784 (struct sched_info): Change signature of init_ready_list field.
5785 Adjust all initializations.
5786 (RESOLVED_DEPS): New access macro.
5787 (ready_add): Remove prototype.
5788 (try_ready): Add prototype.
5789 * sched-rgn.c (init_ready_list): Use try_ready.
5790 (schedule_region): Initialize
5791 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5792 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5793 (init_ready_list): Use try_ready.
5794 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5795 * lists.c (remove_list_elem): Remove `static'.
5796 (remove_free_INSN_LIST_elem): New function.
5797 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5798 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5799 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5801 (readyp): New variable.
5802 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5803 change_queue_index, resolve_dep): New static functions.
5804 (try_ready): New function. Adjust callers in sched-rgn.c and
5805 sched-ebb.c to use it instead of ready_add.
5806 (clock_var): Move at the begining of file.
5807 (rank_for_schedule): Fix typo.
5808 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5809 (ready_lastpos): Enforce assertion.
5810 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5812 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5813 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5814 (queue_to_ready): Use free_INSN_LIST_list.
5815 (early_queue_to_ready): Fix typo.
5816 (schedule_block): Init readyp. Move init_ready_list call after the
5817 initialization of clock_var. Fix error in rejecting insn by
5818 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5819 that previously corrected INSN_TICKs. Add code for handling
5821 (set_priorities): Fix typo.
5822 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5823 Clarify comment and code that keeps current_sched_info->next_tail
5826 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5828 * sched-rgn.c (extend_rgns): New static function.
5829 (find_rgns): Use it.
5830 (gather_region_statistics, print_region_statistics): New static
5832 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5833 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5835 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5836 Andrey Belevantsev <abel@ispras.ru>
5838 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5839 * lists.c (unused_deps_list): New variable.
5840 (free_list): Add assertions to verify the proper distinguishing
5841 between INSN_LISTs and DEPS_LISTs.
5842 (find_list_elem, remove_list_elem, remove_list_node): New static
5844 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5845 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5846 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5847 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5849 (free_INSN_LIST_node): Likewise.
5850 * modulo-sched.c (current_sched_info): Initialize flags field.
5851 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5852 * rtl.def (DEPS_LIST): Define.
5853 * rtl.h: Declare new functions from lists.c.
5854 * sched-deps.c (spec_dependency_cache): New static variable.
5855 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5856 (add_dependence): Change return type to void. Move the logic to ...
5857 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5858 (delete_all_dependences): Add comment about forward_dependency_cache.
5859 Handle spec_dependency_cache. Handle DEPS_LISTs.
5860 (fixup_sched_groups): Clarify the change of priority of output
5861 and anti dependencies.
5862 (sched_analyze_2): Adjust add_dependence calls to create data
5863 speculative dependence.
5864 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5865 Adjust all callers. Handle DEPS_LISTS.
5866 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5867 presence of speculation.
5868 (init_dependency_caches, free_dependency_caches):
5869 Handle spec_dependency_cache.
5870 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5871 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5872 New static functions.
5873 (add_or_update_back_dep, add_or_update_back_forw_dep,
5874 add_back_forw_dep, delete_back_forw_dep): New functions.
5875 * sched-int.h (ds_t, dw_t): New typedefs.
5876 (struct sched_info): Add new field flags.
5877 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5878 Prototype new sched-deps.c functions.
5879 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5880 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5881 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5882 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5883 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5884 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5886 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5888 * sched-rgn.c (current_sched_info): Initialize flags field.
5889 (schedule_insns): Initialize current_sched_info before the sched_init
5891 * sched-ebb.c (current_sched_info): Initialize flags field.
5892 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5893 Call add_or_update_back_dep instead of add_dependence.
5894 Create control speculative dependencies.
5895 (schedule_insns): Initialize current_sched_info before the sched_init
5898 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5900 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5902 (sh_fallback_frame_state): Likewise.
5904 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5906 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5907 Do switch on default_use_cxa_atexit.
5908 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5909 * config/darwin-crt3.o: New.
5910 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5911 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5912 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5914 * config/rs6000/t-darwin: Move crt2.o building to here.
5915 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5916 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5919 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5921 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5922 from '! xxx' to '!xxx' for coding-style conformance.
5923 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5924 (EXTRA_CONSTRAINT): Likewise.
5925 * config/vax/vax.md (four unnamed insns): Likewise.
5927 2006-03-15 Paul Brook <paul@codesourcery.com>
5929 * config/arm/arm.c (minipool_pad): New.
5930 (add_minipool_forward_ref): Include pool alignment padding in address
5932 (push_minipool_fix): Set minipool_pad.
5933 (minipool_pad): Ditto.
5935 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5937 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5938 instead of GET_CODE() == MEM and REG_P() instead of
5940 (print_operand_address): Likewise.
5941 (vax_address_cost): Likewise.
5942 (vax_rtx_costs): Likewise.
5943 (vax_notice_update_cc): Likewise.
5944 (vax_output_int_add): Likewise.
5945 (INDEX_REGISTER_P): Likewise.
5946 (BASE_REGISTER_P): Likewise.
5947 (nonindexed_address_p): Likewise.
5948 (vax_mode_dependent_address_p): Likewise.
5949 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5950 (PRINT_OPERAND): Likewise.
5951 * config/vax/vax.md (ashlsi3): Likewise.
5952 (ashlsi3): Likewise.
5953 (some more unnamed insns): Likewise.
5955 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5957 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5958 iterator-style macro.
5959 (mark_control_dependent_edges_necessary): Update the use of
5960 EXECUTE_IF_CONTROL_DEPENDENT.
5962 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5964 * config/sh/predicates.md (cache_address_operand): Special.
5965 (ua_address_operand): Likewise.
5967 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5969 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5971 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5973 2006-03-15 Andreas Schwab <schwab@suse.de>
5975 * gensupport.c (identify_predicable_attribute): Don't free p_false
5976 when it is still in use.
5978 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5980 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5981 the default setting here.
5983 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5985 * tree-pass.h (pass_cfg): Remove.
5986 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5987 * passes.c (pass_cfg): Don't run it.
5989 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5991 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5992 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5994 (stack_regs_mentioned): Update the uses of
5995 stack_regs_mentioned_data. Don't access the array beyond its
5997 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5998 Don't include gt-reg-stack.h.
6000 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6001 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6003 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6006 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6009 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6011 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6013 2006-03-14 Richard Guenther <rguenther@suse.de>
6015 PR tree-optimization/26672
6016 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6019 2006-03-14 Richard Guenther <rguenther@suse.de>
6021 PR tree-optimization/26667
6022 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6023 node for the callees. Always allow inlining if it will shrink
6026 2006-03-14 Richard Guenther <rguenther@suse.de>
6029 * builtins.c (get_pointer_alignment): Prefer alignment
6030 information from decls over that from types.
6032 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6035 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6037 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6039 * config/rs6000/rs6000.opt (mdlmzb): New option.
6040 (msched-prolog, msched-epilog): Use Var not Mask.
6041 * doc/invoke.texi (-mdlmzb): Document.
6042 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6044 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6045 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6047 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6049 PR rtl-optimization/25739
6050 * bt-load.c (augment_live_range): Free tos pointer.
6052 * gensupport.c (identify_predicable_attribute): Free
6054 * gcov.c (create_file_names): Free name pointer.
6056 2006-03-13 Roger Sayle <roger@eyesopen.com>
6059 * stmt.c (emit_case_nodes): Handle the case where the index is a
6060 CONST_INT, where the comparison mode is specified by the index type.
6062 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6064 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6067 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6069 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6070 (*branch_fp_inverted): Likewise.
6072 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6075 * omp-low.c (expand_omp_for_generic): Mark istart0
6076 and iend0 as addressable.
6078 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6080 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6082 2006-03-13 Jeff Law <law@redhat.com>
6084 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6085 virtual operands are interesting.
6086 (vrp_visit_stmt): Corresponding changes.
6088 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6090 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6092 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6093 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6094 * config/bfin/crti.S: Use it instead of __PIC__.
6095 * config/bfin/crtn.S: Likewise.
6097 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6098 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6100 Lose 'G' modifier for call operand.
6101 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6102 recognize 'G' modifier.
6104 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6107 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6108 * stmt.c (expand_case): Likewise.
6110 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6112 PR rtl-optimization/26254
6113 * loop-invariant.c (seq_insns_valid_p): New function.
6114 (move_invariant_reg): Only emit new code if it is valid.
6116 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6118 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6120 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6121 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6122 (commit_one_edge_insertion): Do not look for loop notes.
6124 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6126 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6127 flag_test_coverage out of loop.
6129 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6131 * final.c (shorten_branches): Remove outdated comment, and turn
6132 the if branch that guards it to continue.
6134 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6136 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6137 * cfgloop.h (struct loop): Remove unused fields.
6139 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6141 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6142 (-dL, -fdump-rtl-loop2): Update the dump file names
6144 * doc/invoke.texi: Update dump file names.
6146 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6148 * predict.c (estimate_probability): Remove.
6149 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6150 * basic-block.h (estimate_probability): Remove prototype.
6151 * passes.c (finish_optimization_passes): Dump branch prediction or
6152 profiling heuristics to the .profile tree dump.
6153 (init_optimization_passes): Unqueue pass_branch_prob.
6155 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6157 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6159 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6160 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6162 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6164 * function.h (frame_offset_overflow): Declare.
6165 * function.c (frame_offset_overflow): New function.
6166 (assign_stack_local_1): Call it to detect that the offset overflows.
6167 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6169 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6171 * config/sh/sh.c: Include alloc-pool.h.
6172 (label_ref_list_pool): New alloc pool.
6173 (label_ref_list_t): New type for lists of labels.
6174 (struct pool_node): Make wend a label_ref_list_t.
6175 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6177 (dump_table): Likewise.
6178 (sh_reorg): Set up the alloc pool before using add_constant and
6179 dump_table, and destroy it when finishing.
6181 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6183 * config/mips/mips.c: Remove redundant comment.
6185 2006-03-10 Jason Merrill <jason@redhat.com>
6188 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6189 the target was declared 'register'.
6191 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6193 * genpreds.c (write_insn_constraint_len): Change definition of
6194 insn_constraint_len to return size_t to match the declaration.
6196 2006-03-10 DJ Delorie <dj@redhat.com>
6198 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6200 (m32c_expand_insv): Fix test for an AND mask.
6202 2006-03-10 Richard Guenther <rguenther@suse.de>
6205 * builtins.c (get_pointer_alignment): Handle component
6206 references for field alignment.
6208 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6210 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6211 when building with libgloss.
6212 (sh*elf): Implement --without-fp option.
6213 (sh64-superh-linux*): Don't multilib.
6215 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6217 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6219 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6221 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6222 Set it when one of the replacement functions returned true.
6223 Return TODO_cleanup_cfg if cfgchanged is true.
6224 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6226 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6228 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6229 instead of gen_lowpart.
6231 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6233 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6235 (mips_output_order_conditional_branch): Declare.
6236 * config/mips/mips.h (MIPS_BRANCH): New macro.
6237 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6238 for the comparison. Use gen_condjump.
6239 (mips_output_conditional_branch): Rework interface to take the
6240 asm templates for a direct branch and the inverse of a direct branch.
6241 (mips_output_order_conditional_branch): New function.
6242 (mips_builtin_branch_and_move): New function.
6243 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6244 branch condition. Use gen_single_cc as the condition for
6245 __builtin_mips_upper_* or __builtin_mips_lower_*.
6246 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6247 Use VOIDmode for the branch condition.
6248 * config/mips/predicates.md (order_operator): New predicate.
6249 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6250 (branch_fp): Rename to...
6251 (*branch_fp): ...this. Remove mode from comparison operator.
6252 Use new mips_output_conditional_branch interface.
6253 (branch_fp_inverted): Rename to...
6254 (*branch_fp_inverted): ...this and update as for *branch_fp.
6255 (*branch_zero<mode>): Rename to...
6256 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6257 Use mips_output_order_conditional_branch. Only accept ordered
6259 (*branch_zero<mode>_inverted): Rename to...
6260 (*branch_order<mode>_inverted): ...this and update as for
6261 *branch_order<mode>.
6262 (*branch_equality<mode>): Accept zero as the second operand to
6263 the equality operator. Use the new mips_output_conditional_branch
6265 (*branch_equality<mode>_inverted): Likewise.
6266 (condjump): New expander.
6267 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6269 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6270 (bc1any2t, bc1any2f): Likewise.
6271 (single_cc): New expander.
6272 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6274 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6276 * doc/md.texi: Update documentation of MIPS constraints.
6277 * config/mips/constraints.md: New file.
6278 * config/mips/mips.md: Include it.
6279 * config/mips/mips.c (mips_char_to_class): Delete.
6280 (override_options): Don't initialize mips_char_to_class.
6281 * config/mips/mips.h (mips_char_to_class): Delete.
6282 (REG_CLASS_FROM_LETTER): Delete.
6283 (CONST_OK_FOR_LETTER_P): Delete.
6284 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6285 (EXTRA_CONSTRAINT_Y): Delete.
6286 (EXTRA_CONSTRAINT_STR): Delete.
6287 (CONSTRAINT_LEN): Delete.
6288 (EXTRA_MEMORY_CONSTRAINT): Delete.
6290 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6292 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6293 original fn's eh regions.
6295 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6297 * fold-const.c (build_range_check): Make sure to use a valid type to
6298 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6301 (range_predecessor): New static function.
6302 (range_successor): Likewise.
6303 (merge_ranges): Use them to compute predecessors and successors of
6306 2006-03-09 Roger Sayle <roger@eyesopen.com>
6309 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6310 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6312 2006-03-08 DJ Delorie <dj@redhat.com>
6314 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6315 (addpsi3): Expand to include memory operands. Remove
6316 reload-specific splits.
6317 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6318 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6319 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6320 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6321 (shift1_qi, shift1_hi, insv): New.
6322 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6323 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6324 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6326 * config/m32c/m32c-protos.h: Update as needed.
6327 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6328 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6329 Fail for unrecognized R* constraints.
6330 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6331 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6332 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6334 (m32c_init_libfuncs): New.
6335 (m32c_legitimate_address_p): Add debug wrapper.
6336 (m32c_rtx_costs): New.
6337 (m32c_address_cost): New.
6338 (conversions): Add 'B' prefix.
6339 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6340 operands, or word regnames for QI operands. 'B' prints bit
6342 (m32c_expand_setmemhi): New.
6343 (m32c_expand_movmemhi): New.
6344 (m32c_expand_movstr): New.
6345 (m32c_expand_cmpstr): New.
6346 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6347 (m32c_expand_neg_mulpsi3): Handle non-ints.
6348 (m32c_cmp_flg_0): New.
6349 (m32c_expand_movcc): New.
6350 (m32c_expand_insv): New.
6351 (m32c_scc_pattern): New.
6352 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6353 a0/a1 out of SIregs.
6354 (STORE_FLAG_VALUE): New.
6355 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6358 * config/m32c/mov.md: Make constraints more liberal.
6359 (zero_extendqihi2): Optimize r0/r1 case.
6360 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6361 * config/m32c/predicates.md (m32c_any_operand): New.
6362 (m32c_nonimmediate_operand): New.
6363 (m32c_hl_operand): New.
6364 (m32c_r3_operand): New.
6367 (memsym_operand): New.
6368 (memimmed_operand): New.
6369 (a_qi_operand): New.
6370 (m32c_eqne_operator): New.
6371 (m32c_1bit8_operand): New.
6372 (m32c_1bit16_operand): New.
6373 (m32c_1mask8_operand): New.
6374 (m32c_1mask16_operand): New.
6375 * config/m32c/blkmov.md: New file.
6376 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6378 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6380 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6381 unsigned to fix signed/unsigned comparison issue in
6382 DWARF2_FRAME_REG_OUT.
6383 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6384 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6386 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6387 of ptr into the ENABLE_CHECKING section.
6389 2006-03-08 Jeff Law <law@redhat.com>
6391 * tree-vrp.c (infer_value_range): Only count pointer uses
6392 and dereferences if -fdelete-null-pointer-checks is enabled.
6394 * tree-vrp.c (find_assert_locations): Infer value ranges for
6395 single use pointers, but do not create ASSERT_EXPRs for them.
6396 When a non-null range is inferred for a pointer, backwards
6397 propagate that range to other equivalent pointers through the
6400 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6403 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6404 language hook targets.
6405 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6406 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6407 if language hook targets were missing.
6409 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6411 * tree-ssa-opfinalize.h: Removed.
6412 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6414 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6415 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6416 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6417 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6418 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6419 finalize_ssa_v_must_def_ops): New.
6421 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6423 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6426 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6428 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6430 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6431 addresses with offsets; reorganize.
6433 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6434 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6435 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6437 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6440 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6442 2006-03-08 Ben Elliston <bje@au.ibm.com>
6444 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6446 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6449 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6452 2006-03-07 Richard Guenther <rguenther@suse.de>
6454 PR tree-optimization/26587
6455 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6457 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6459 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6461 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6463 * hooks.c (hook_bool_mode_rtx_true): New function.
6464 * hooks.h (hook_bool_mode_rtx_true): Declare.
6465 * toplev.c (compile_file): Call output_shared_constant_pool.
6466 * varasm.c (shared_constant_pool): New variable.
6467 (assemble_start_function, assemble_end_function): Remove arguments
6468 from call to output_constant_pool.
6469 (create_constant_pool): New function, split out from...
6470 (init_varasm_status): ...here.
6471 (force_const_mem): Choose between the shared and per-function constant
6472 pools. Set current_function_uses_const_pool when reusing old entries
6473 as well as when creating new ones.
6474 (mark_constant): Ignore data argument.
6475 (mark_constants): Remove pool argument.
6476 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6477 to decide whether the function uses a constant pool.
6478 (output_constant_pool_contents): New function, split out from...
6479 (output_constant_pool): ...here.
6480 (output_shared_constant_pool): New function.
6481 (init_varasm_once): Initialize shared_constant_pool.
6482 * output.h (output_constant_pool): Delete.
6483 (output_shared_constant_pool): Declare.
6484 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6485 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6487 2006-03-06 Nick Clifton <nickc@redhat.com>
6489 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6490 flag_strength_reduce.
6492 2006-03-06 Ben Elliston <bje@au.ibm.com>
6494 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6495 x86_64-*-linux* configurations.
6497 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6498 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6500 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6502 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6504 * basic-block.h: Remove the extern for
6505 rediscover_loops_after_threading.
6507 * cfgloop.c (cancel_loop): Make it static.
6508 * cfgloop.h: Remove the prototype for cancel_loop.
6510 * flow.c (recompute_reg_usage): Make it static.
6511 * rtl.h: Remove the prototype for recompute_reg_usage.
6513 * function.c (use_return_register): Make it static.
6514 * function.h: Remove the prototype.
6516 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6518 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6520 * recog.h: Remove the prototype for
6521 validate_change_maybe_volatile.
6523 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6525 * rtlanal.c (replace_reg): Remove.
6526 * rtl.h: Remove the prototype for replace_reg.
6528 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6530 * regclass.c (reg_scan_update): Remove.
6531 (reg_scan_mark_refs): Remove the last argument.
6532 * rtl.h: Remove the prototype for reg_scan_update.
6534 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6536 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6537 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6538 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6539 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6540 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6541 loop-invariant.c, omp-low.c, opts.c, passes.c,
6542 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6543 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6544 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6545 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6546 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6547 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6549 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6551 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6552 * dwarf2out.h: Remove the prototype for
6553 dwarf2out_add_library_unit_info.
6555 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6557 * tree.c (add_var_to_bind_expr): Remove.
6558 * tree.h: Remove the prototype for add_var_to_bind_expr.
6560 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6562 * regclass.c (n_non_fixed_regs): Remove.
6563 (init_reg_sets_1, globalize_reg): Remove all uses of
6565 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6567 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6569 * rtlanal.c (insns_safe_to_move_p): Remove.
6570 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6572 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6574 * expmed.c (expand_mult_add): Remove.
6575 * expr.h: Remove the prototype for expand_mult_add.
6577 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6579 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6580 and REG_SAVED_VAL_EXP constants.
6581 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6582 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6583 Handle regs stored by value.
6584 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6585 (execute_cfa_program): Handle DW_CFA_val_offset,
6586 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6587 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6588 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6589 (uw_install_context_1): Handle target regs stored by value.
6591 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6593 * tree-sra.c (tree_sra): Return todoflags;
6594 (generate_one_element): Set TODO_update_smt_usage if needed.
6595 (pass_sra): Remove TODO_update_smt_usage.
6596 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6598 (tree_ssa_forward_propagate_single_use_vars): Return
6599 TODO_update_smt_usage if we need to update SMT usage.
6600 (pass_forwprop): Remove TODO_update_smt_usage.
6602 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6604 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6605 (correct_use_link): Remove reference to get_stmt_operands.
6606 (update_stmt_operands): Likewise.
6607 (get_modify_expr_operands): New function factored out of
6608 parse_ssa_operands and get_expr_operands.
6609 Try to create V_MUST_DEFs for LHS by default.
6610 (get_expr_operands) <case MODIFY_EXPR>: Call
6611 get_modify_expr_operands.
6612 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6613 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6614 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6615 get_modify_expr_operands.
6617 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6619 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6620 * tree-flow.h: Remove the prototype for
6621 referenced_var_lookup_if_exists.
6623 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6625 PR rtl-optimization/26345
6627 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6629 2006-03-03 Roger Sayle <roger@eyesopen.com>
6631 PR tree-optimization/26524
6632 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6633 fold_convert to create a constant of the appropriate type.
6635 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6637 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6638 SYMBOL_REF_IN_BLOCK_P.
6639 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6640 of SYMBOL_FLAG_IN_BLOCK.
6641 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6642 instead of SYMBOL_REF_IN_BLOCK_P.
6643 * explow.c (use_anchored_address): Likewise.
6644 * rtl.c (rtx_size): Likewise.
6645 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6646 instead of SYMBOL_FLAG_IN_BLOCK.
6647 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6648 SYMBOL_REF_IN_BLOCK_P.
6649 (assemble_variable): Likewise.
6650 (output_constant_def_contents): Likewise.
6651 (output_constant_pool): Likewise.
6652 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6653 instead of SYMBOL_FLAG_IN_BLOCK.
6654 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6655 SYMBOL_REF_IN_BLOCK_P.
6656 (SYMBOL_REF_BLOCK): Likewise.
6657 (SYMBOL_REF_OFFSET): Likewise.
6658 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6659 SYMBOL_REF_IN_BLOCK_P.
6660 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6661 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6662 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6663 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6665 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6667 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6669 2006-03-02 Roger Sayle <roger@eyesopen.com>
6671 * simplify-rtx.c (simplify_unary_operation): When simplifying
6672 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6673 that we perform the right shift in the appropriate mode, and
6674 then extend or truncate the result to requested mode.
6676 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6678 * gengtype.c (main): Handle double_int type.
6679 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6680 * double-int.c: New file.
6681 * double-int.h: New file.
6682 * system.h: Include doubleint.h.
6683 * Makefile.in (SYSTEM_H): Include double-int.h.
6684 (double-int.o): Add.
6686 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6689 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6692 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6694 * tree-vrp.c (remove_range_assertions): Do not update statements
6697 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6699 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6701 * gcse.c (rest_of_handle_gcse): Ditto.
6702 * except.c (gate_handle_eh): Ditto.
6703 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6704 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6706 2006-03-02 Eric Christopher <echristo@apple.com>
6708 * config/i386/i386.c (machopic_output_stub): Add indirection to
6711 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6715 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6717 Sun Niagara specific optimizations.
6718 * config.gcc: Recognize niagara as target.
6719 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6720 (TARGET_CPU_niagara): Define.
6721 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6722 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6723 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6724 (ASM_CPU_SPEC): Likewise.
6725 (PROCESSOR_NIAGARA): New enum entry.
6726 (REGISTER_MOVE_COST): Handle Niagara.
6727 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6728 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6729 (sparc_override_options): Recognize "niagara", set appropriate
6730 default MASK_* values for it, and align functions to 32-bytes
6731 by default just like ULTRASPARC/ULTRASPARC3.
6732 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6733 (sparc64_initialize_trampoline): Likewise.
6734 (sparc_use_sched_lookahead): Use zero for niagara.
6735 (sparc_issue_rate): Use one for niagara.
6736 * config/sparc/niagara.md: New file.
6737 * config/sparc/sparc.md: Include it.
6738 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6739 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6740 when default cpu is niagara.
6741 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6742 (ASM_CPU_SPEC): Likewise.
6743 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6744 when default cpu is niagara.
6745 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6746 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6747 just like v9/ultrasparc/ultrasparc3.
6748 * doc/invoke.texi: Add documentation for "niagara" and improve
6749 existing documentation for ultrasparc variants.
6751 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6753 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6755 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6757 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6758 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6759 and say that only one is needed.
6760 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6761 * target.h (have_switchable_bss_sections): New hook.
6762 * explow.c (use_anchored_address): Check that the symbol is in a block.
6763 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6764 (bss_noswitch_section): New variables.
6765 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6766 (get_noswitch_section): New function.
6767 (get_block_for_section): Allow SECT to be null.
6768 (unlikely_text_section_p): Use SECTION_STYLE.
6769 (bss_initializer_p): New function.
6770 (get_variable_section): Move earlier in file. Take a new argument,
6771 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6772 Return one of the new *_sections in such cases.
6773 (get_block_for_decl): New function, extracting some logic from
6774 use_blocks_for_decl_p.
6775 (change_symbol_section): Remove in favor of...
6776 (change_symbol_block): ...this new function.
6777 (use_blocks_for_decl_p): Remove checks now performed by
6779 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6780 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6781 (emit_local, emit_bss, emit_common): ...these new functions.
6782 Return true if the alignment was honored.
6783 (emit_tls_common): New function.
6784 (asm_emit_uninitialised): Delete.
6785 (assemble_variable_noswitch): New function, split out from...
6786 (assemble_variable): ...here. Don't make decisions about common
6787 variables here. Globalize all public decls that go into non-common
6788 sections. Check whether SYMBOL_REF_BLOCK is null.
6789 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6790 (output_constant_pool): Likewise.
6791 (init_varasm_once): Initialize the new section variables.
6792 (have_global_bss_p): New function.
6793 (categorize_decl_for_section): Use bss_initializer_p.
6794 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6795 (place_block_symbol): Assert that the symbol must be in a block.
6796 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6797 (TARGET_INITIALIZER): Include it.
6798 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6799 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6800 (SECTION_MACH_DEP): Bump by two.
6801 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6802 (unnamed_section): Mention SECTION_UNNAMED in comment.
6803 (named_section): Likewise SECTION_NAMED.
6804 (noswitch_section_callback): New type.
6805 (noswitch_section): New structure.
6806 (section): Add a noswitch_section alternative.
6807 (SECTION_STYLE): New macro.
6808 (tls_comm_section, comm_section, lcomm_section): Declare.
6809 (bss_noswitch_section, have_global_bss_p): Declare.
6810 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6811 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6813 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6814 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6817 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6819 * tree-vrp.c (execute_vrp): Return value.
6820 * regrename.c (rest_of_handle_regrename): Ditto.
6821 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6822 * tree-complex.c (tree_lower_complex): Ditto.
6823 (tree_lower_complex_O0): Ditto.
6824 * tracer.c (rest_of_handle_tracer): Ditto.
6825 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6826 * postreload.c (rest_of_handle_postreload): Ditto.
6827 * tree-tailcall.c (execute_tail_recursion): Ditto.
6828 (execute_tail_calls): Ditto.
6829 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6830 * tree.h (init_function_for_compilation): Ditto.
6831 * ipa-cp.c (ipcp_driver): Ditto.
6832 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6833 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6834 * final.c (compute_alignments): Ditto.
6835 (rest_of_handle_final): Ditto.
6836 (rest_of_handle_shorten_branches): Ditto.
6837 (rest_of_clean_state): Ditto.
6838 * omp-low.c (execute_expand_omp): Ditto.
6839 (execute_lower_omp): Ditto.
6840 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6841 * ipa-reference.c (static_execute): Ditto.
6842 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6843 * reorg.c (rest_of_handle_delay_slots): Ditto.
6844 (rest_of_handle_machine_reorg): Ditto.
6845 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6846 * flow.c (recompute_reg_usage): Ditto.
6847 (rest_of_handle_remove_death_notes): Ditto.
6848 (rest_of_handle_life): Ditto.
6849 (rest_of_handle_flow2): Ditto.
6850 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6851 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6852 (do_ssa_store_ccp): Ditto.
6853 (execute_fold_all_builtins): Ditto.
6854 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6855 * modulo-sched.c (rest_of_handle_sms): Ditto.
6856 * ipa-pure-const.c (static_execute): Ditto.
6857 * cse.c (rest_of_handle_cse): Ditto.
6858 (rest_of_handle_cse2): Ditto.
6859 * web.c (rest_of_handle_web): Ditto.
6860 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6861 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6862 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6863 * tree-nrv.c (tree_nrv): Ditto.
6864 (execute_return_slot_opt): Ditto.
6865 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6866 (create_structure_vars): Ditto.
6867 * loop-init.c (rtl_loop_init): Ditto.
6868 (rtl_loop_done): Ditto.
6869 (rtl_move_loop_invariants): Ditto.
6870 (rtl_unswitch): Ditto.
6871 (rtl_unroll_and_peel_loops): Ditto.
6872 (rtl_doloop): Ditto.
6873 * gimple-low.c (lower_function_body): Ditto.
6874 (mark_used_blocks): Ditto.
6875 * tree-ssa-sink.c (execute_sink_code): Ditto.
6876 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6877 (cgraph_early_inlining): Ditto.
6878 * global.c (rest_of_handle_global_alloc): Ditto.
6879 * jump.c (cleanup_barriers): Ditto.
6880 (purge_line_number_notes): Ditto.
6881 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6882 (rest_of_handle_if_after_reload): Ditto.
6883 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6884 (tree_ssa_loop_im): Ditto.
6885 (tree_ssa_loop_unswitch): Ditto.
6886 (tree_vectorize): Ditto.
6887 (tree_linear_transform): Ditto.
6888 (tree_ssa_loop_ivcanon): Ditto.
6889 (tree_ssa_empty_loop): Ditto.
6890 (tree_ssa_loop_bounds): Ditto.
6891 (tree_complete_unroll): Ditto.
6892 (tree_ssa_loop_prefetch): Ditto.
6893 (tree_ssa_loop_ivopts): Ditto.
6894 (tree_ssa_loop_done): Ditto.
6895 * predict.c (tree_estimate_probability): Ditto.
6896 * recog.c (split_all_insns_noflow): Ditto.
6897 (rest_of_handle_peephole2): Ditto.
6898 (rest_of_handle_split_all_insns): Ditto.
6899 * tree-eh.c (lower_eh_constructs): Ditto.
6900 * regmove.c (rest_of_handle_regmove): Ditto.
6901 (rest_of_handle_stack_adjustments): Ditto.
6902 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6903 * function.c (instantiate_virtual_regs): Ditto.
6904 (init_function_for_compilation): Ditto.
6905 (rest_of_handle_check_leaf_regs): Ditto.
6906 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6907 (rest_of_handle_gcse): Ditto.
6908 * ipa-type-escape.c (type_escape_execute): Ditto.
6909 * alias.c (rest_of_handle_cfg): Ditto.
6910 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6911 * profile.c (rest_of_handle_branch_prob): Ditto.
6912 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6913 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6914 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6915 * tree-dfa.c (find_referenced_vars): Ditto.
6916 * except.c (set_nothrow_function_flags): Ditto.
6917 (convert_to_eh_region_ranges): Ditto.
6918 (rest_of_handle_eh): Ditto.
6919 * emit-rtl.c (unshare_all_rtl): Ditto.
6920 (remove_unnecessary_notes): Ditto.
6921 * except.h (set_nothrow_function_flags): Ditto.
6922 (convert_to_eh_region_ranges): Ditto.
6923 * cfgexpand.c (tree_expand_cfg): Ditto.
6924 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6925 * tree-ssa-pre.c (do_pre): Ditto.
6926 (execute_fre): Ditto.
6927 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6928 (rest_of_handle_jump2): Ditto.
6929 * tree-sra.c (tree_sra): Ditto.
6930 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6931 (execute_mudflap_function_decls): Ditto.
6932 * tree-ssa-copy.c (do_copy_prop): Ditto.
6933 (do_store_copy_prop): Ditto.
6934 * ipa-prop.h (ipcp_driver): Ditto.
6935 * cfglayout.c (insn_locators_initialize): Ditto.
6936 * tree-ssa-forwprop.c
6937 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6938 * cfglayout.h (insn_locators_initialize): Ditto.
6939 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6940 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6941 (execute_late_warn_uninitialized): Ditto.
6942 * rtl.h (cleanup_barriers): Ditto.
6943 (split_all_insns_noflow): Ditto.
6944 (purge_line_number_notes): Ditto.
6945 (unshare_all_rtl): Ditto.
6946 (remove_unnecessary_notes): Ditto.
6947 (recompute_reg_usage): Ditto.
6948 (variable_tracking_main): Ditto.
6949 * integrate.c (emit_initial_value_sets): Ditto.
6950 * integrate.h (emit_initial_value_sets): Ditto.
6951 * tree-optimize.c (execute_free_datastructures): Ditto
6952 (execute_free_cfg_annotations): Ditto.
6953 (execute_fixup_cfg): Ditto.
6954 (execute_cleanup_cfg_pre_ipa): Ditto.
6955 (execute_cleanup_cfg_post_optimizing): Ditto.
6956 (execute_init_datastructures): Ditto.
6957 * tree-object-size.c (compute_object_sizes): Ditto.
6958 * combine.c (rest_of_handle_combine): Ditto.
6959 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6960 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6961 (rest_of_handle_reorder_blocks): Ditto.
6962 (rest_of_handle_partition_blocks): Ditto.
6963 * var-tracking.c (variable_tracking_main): Ditto.
6964 * tree-profile.c (tree_profiling): Ditto.
6965 * tree-vect-generic.c (expand_vector_operations): Ditto.
6966 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6967 * sched-rgn.c (rest_of_handle_sched): Ditto.
6968 (rest_of_handle_sched2): Ditto.
6969 * basic-block.h (free_bb_insn): Ditto.
6970 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6971 * tree-cfg.c (execute_build_cfg): Ditto.
6972 (remove_useless_stmts): Ditto.
6973 (split_critical_edges): Ditto.
6974 (execute_warn_function_return): Ditto.
6975 (execute_warn_function_noreturn): Ditto.
6976 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6977 * cfgrtl.c (free_bb_for_insn): Ditto.
6978 * passes.c (execute_one_pass): Run additional
6979 todos returned by execute function.
6980 * tree-pass.h (struct tree_opt_pass): Make execute
6983 2006-03-02 Richard Guenther <rguenther@suse.de>
6985 * tree-ssa-alias.c (find_used_portions): Consider taking
6986 the address as making the variable not write-only.
6988 2006-03-02 Nick Clifton <nickc@redhat.com>
6990 * config.gcc (default_use_cxa_atexit): Extend the description of
6991 this configure variable. Set its default value to "yes" for
6992 Linux, NetBSD and ELF targets on the assumption that they will
6993 use C libraries with the __cxa_atexit function.
6995 2006-03-02 Ben Elliston <bje@au.ibm.com>
6997 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6998 parameter as unused to suppress a build warning.
7000 2006-03-02 Ben Elliston <bje@au.ibm.com>
7002 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7005 2006-03-01 Roger Sayle <roger@eyesopen.com>
7008 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7009 declared name, the weak reference name, and the typeof name.
7010 (__gthrw): Avoid expanding the declared name suffix.
7011 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7013 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7015 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7017 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7018 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7019 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7020 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7021 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7022 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7023 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7024 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7025 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7026 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7027 (DW_END_default, DW_END_big, DW_END_little): New.
7028 (DW_END_lo_user, DW_END_hi_user): Define.
7029 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7030 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7031 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7034 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7036 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7038 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7040 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7042 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7044 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7045 to 'symbol_mem_tag'.
7047 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7050 2006-03-01 Roger Sayle <roger@eyesopen.com>
7052 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7054 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7057 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7058 MACHO_DYNAMIC_NO_PIC_P.
7059 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7061 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7064 * config/darwin-protos.h (darwin_asm_output_anchor):
7066 * config/darwin-sections.def (cstring_section):
7067 Add SECTION_MERGE to the flags.
7068 (literal4_section): Likewise.
7069 (literal8_section): Likewise.
7070 (objc_selector_refs_section): Likewise.
7071 (objc_cls_refs_section): Likewise.
7072 * config/darwin.c (darwin_asm_output_anchor): New
7074 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7076 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7078 Fix PR tree-optimization/26443
7079 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7080 to todo and PROP_tmt_usage to properties_destroyed.
7081 * tree-ssa-ccp.c (pass_ccp): Ditto.
7082 (pass_store_ccp): Ditto.
7083 * tree-ssa-dom.c (pass_dominator): Ditto.
7085 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7087 * tree-ssa-operands.c: Cleanup whitespace.
7088 (get_asm_expr_operands): Move before first invocation.
7089 (get_indirect_ref_operands): Likewise.
7090 (get_tmr_operands): Likewise.
7091 (get_call_expr_operands): Likewise.
7092 (append_def): Likewise.
7093 (append_use): Likewise.
7094 (append_v_may_def): Likewise.
7095 (append_v_must_def): Likewise.
7096 (add_call_clobber_ops): Likewise.
7097 (add_call_read_ops): Likewise.
7098 (add_stmt_operand): Likewise.
7099 (add_virtual_operand): Likewise.
7100 (build_ssa_operands): Likewise.
7102 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7107 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7108 with a call expr to ...
7109 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7111 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7113 * tree-vrp.c (extract_range_from_assert): Remove special
7114 handling for types with super-types.
7116 2006-03-01 Ben Elliston <bje@au.ibm.com>
7118 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7119 and powerpc64-*-linux* configurations.
7120 * config/t-dfprules: New file.
7122 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7123 Compile dfp-bit.c from the source directory using -DWIDTH and
7124 $DFP_CFLAGS to control the compilation of that file, rather than
7125 generating width-specific versions in the build directory.
7126 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7127 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7129 2006-02-28 Zack Weinberg <zackw@panix.com>
7131 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7134 2006-02-28 Eric Christopher <echristo@apple.com>
7136 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7137 Set up IN_LIBGCC definition of TARGET_64BIT.
7138 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7140 2006-02-28 Roger Sayle <roger@eyesopen.com>
7143 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7144 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7145 cases via the construction of "expr != 0".
7147 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7149 * alias.c (alias_invariant, alias_invariant_size): Remove.
7150 (record_base_value): Remove.
7151 (memrefs_conflict_p): Don't look at alias_invariant.
7152 (end_alias_analysis): Don't free it.
7153 * alias.h (record_base_value): Remove prototype.
7155 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7156 Adam Nemet <anemet@caviumnetworks.com>
7158 * rtl.h (truncated_to_mode): Declare it.
7159 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7160 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7161 (RTL_HOOKS_INITIALIZER): Include it.
7162 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7163 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7164 reg_truncated_to_mode.
7165 * rtlanal.c (truncated_to_mode): Define it.
7166 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7168 2006-02-28 Jeff Law <law@redhat.com>
7170 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7171 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7172 the range allowed by TYPE_PRECISION.
7174 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7176 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7178 PR tree-optimization/26419
7179 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7182 2006-02-27 Zack Weinberg <zackw@panix.com>
7184 * doc/md.texi: Fix typo in previous change.
7186 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7190 2006-02-27 Zack Weinberg <zackw@panix.com>
7192 * rtl.def (define_constraint, define_register_constraint)
7193 (define_memory_constraint, define_address_constraint): New MD forms.
7194 * gensupport.c (process_rtx): Put define_constraint etc on the
7196 * genpreds.c (process_define_predicate): Adjust comment. Validate
7197 the name, and call validate_exp to validate the expression.
7198 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7199 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7200 all callers changed.
7201 (validate_exp, needs_variable, struct constraint_data)
7202 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7203 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7204 (const_dbl_constraints, constraint_max_namelen)
7205 (have_register_constraints, have_memory_constraints)
7206 (have_address_constraints, have_address_constraints)
7207 (have_extra_constraints, have_const_int_constraints)
7208 (have_const_dbl_constraints, mangle, add_constraint)
7209 (process_define_constraint, process_define_register_constraint)
7210 (write_enum_constraint_num, write_lookup_constraint)
7211 (write_insn_constraint_len, write_regclass_for_constraint)
7212 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7213 (write_insn_extra_memory_constraint)
7214 (write_insn_extra_address_constraint)
7215 (write_satisfies_constraint_fns): New.
7216 (write_tm_preds_h): If we have new-style constraint definitions,
7217 prototype the functions generated from them, and define the
7218 old constraint interface (still used by generic code) in terms of
7220 (write_insn_preds_c): If we have new-style constraint definitions,
7221 generate all relevant functions from those definitions.
7222 (main): Handle define_constraint etc.
7223 * genoutput.c (struct constraint_data, indep_constraints)
7224 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7225 (mdep_constraint_len): New data structures and functions, defined
7226 #ifdef USE_MD_CONSTRAINTS.
7227 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7228 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7229 use new logic to validate operand constraints against constraint
7231 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7233 * defaults.h: If none of the old-style constraint macros are
7234 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7235 old-style macros; and poison REG_CLASS_FROM_LETTER,
7236 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7238 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7239 * doc/md.texi: Document new constraint-definition mechanism and the
7240 C interface it provides. Remove references to old mechanism
7241 elsewhere in the document.
7242 (Machine Constraints): Use pathnames relative to gcc directory,
7243 i.e. config/ARCH/FILE. Change i386 section to refer to
7244 config/i386/predicates.md; update that section to match docstrings.
7245 * doc/tm.texi: Move all documentation of the old constraint-
7246 definition macros to their own section, clearly mark as obsolete.
7248 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7249 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7251 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7252 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7253 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7255 (splits and peepholes): Use satisfies_constraint_*.
7256 * config/i386/i386.c (memory_address_length)
7257 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7259 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7261 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7262 scalar operation to be put back into the loop.
7264 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7267 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7268 (extract_cie_info): Handle S flag in augmentation string.
7269 (execute_cfa_program): If context->signal_frame, execute also
7270 fs->pc == context->ra instructions.
7271 (uw_frame_state_for): If context->signal_frame, don't subtract one
7272 from context->ra to find FDE.
7273 (uw_update_context_1): Set context->signal_frame to
7275 (_Unwind_GetIPInfo): New function.
7276 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7277 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7279 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7280 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7281 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7282 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7283 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7284 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7285 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7286 x86_64_fallback_frame_state): Set fs->signal_frame.
7287 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7288 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7289 (frob_update_context): Likewise. Workaround missing S flag in
7290 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7291 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7292 Remove the psw_addr + 1 hack.
7294 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7296 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7297 with aggregates here.
7298 (find_func_aliases): Remove code for &<aggregate> from here.
7300 2006-02-26 Roger Sayle <roger@eyesopen.com>
7302 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7303 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7304 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7307 2006-02-26 Roger Sayle <roger@eyesopen.com>
7310 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7312 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7314 * opts.c (decode_options): Do not handle flag_strength_reduce.
7315 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7316 and OPT_fstrength_reduce.
7317 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7318 flag_prefetch_loop_arrays for being nonzero.
7319 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7321 (fprefetch-loop-arrays-rtl): Removed.
7322 (flag_prefetch_loop_arrays): Do not specify the value.
7324 * doc/passes.texi: Update documentation of loop optimizer
7326 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7327 -frerun-loop-opt): Remove.
7329 2006-02-26 Richard Guenther <rguenther@suse.de>
7331 PR tree-optimization/26421
7332 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7333 in function calls that are ADDR_EXPRs as using the whole structure.
7335 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7337 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7338 * tree-pass.h (pass_loop_optimize): Remove.
7339 * passes.c (pass_loop_optimize): Never run it.
7340 * toplev.c (backend_init): Don't call init_loop.
7341 * opts.c (flag_loop_optimize_set): Remove.
7342 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7343 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7344 the old RTL loop optimizer when profiling enabled.
7345 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7346 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7347 pre-headers for the sake of the old RTL loop optimizer.
7348 * Makefile.in: Remove all references to loop.o.
7350 * doc/invoke.texi: Remove all references to -floop-optimize
7351 and -frerun-loop-opt.
7353 2006-02-26 Zack Weinberg <zackw@panix.com>
7355 * doc/md.texi (Machine Constraints): Refer to all files with paths
7356 relative to gcc directory (i.e. config/CPU/file). Add missing
7357 @table @code ... @end table to M32C subsection.
7359 2006-02-26 Roger Sayle <roger@eyesopen.com>
7361 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7363 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7365 2006-02-26 Roger Sayle <roger@eyesopen.com>
7366 James A. Morrison <phython@gcc.gnu.org>
7369 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7370 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7371 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7372 signedness of the shift operation.
7374 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7376 PR tree-optimization/26359
7377 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7379 2006-02-25 Roger Sayle <roger@eyesopen.com>
7381 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7382 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7383 as X == 0, and some symmetry related transformations.
7384 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7386 2006-02-25 Roger Sayle <roger@eyesopen.com>
7389 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7390 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7391 symmetry related transformations. Fold (X^C1) == C2 as
7394 2006-02-25 Juergen Weigert <jw@suse.de>
7395 Richard Guenther <rguenther@suse.de>
7397 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7399 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7401 * combine.c (gen_lowpart_or_truncate): Call
7402 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7404 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7406 * doc/invoke.texi: Move -fopenmp description to "Options for
7408 Remove reference to -lgomp.
7410 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7412 * doc/install.texi: Require GNU tar version 1.14.
7414 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7416 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7417 * doc/invoke.texi (C++ Dialect Options): Document
7418 -fno-use-cxa-get-exception-ptr.
7419 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7420 * configure: Regenerate.
7421 * c.opt (fuse-cxa-get-exception-ptr): New.
7422 * c-opts.c (c_common_handle_option): Handle
7423 OPT_fuse_cxa_get_exception_ptr.
7424 * c-common.c (flag_use_cxa_atexit): Update documentation.
7425 (flag_use_cxa_get_exception_ptr): New.
7426 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7427 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7429 (C_COMMON_OVERRIDE_OPTIONS): New.
7431 2006-02-24 Roger Sayle <roger@eyesopen.com>
7434 * combine.c (try_combine): Explicitly check whether GET_CODE is
7435 a SET or a CLOBBER, instead on checking that it isn't a USE.
7437 2006-02-24 Roger Sayle <roger@eyesopen.com>
7439 * fold-const.c (fold_comparison): New subroutine of fold_binary
7440 containing transformations common to both the equality and
7441 ordering relational operators, factored out of fold_binary.
7442 (fold_binary): Separate out the equality operators (EQ_EXPR
7443 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7444 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7445 transformations common to both.
7446 (fold_div_compare): Fix latent bugs in the previously unreachable
7447 LT_EXPR and GE_EXPR cases.
7449 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7451 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7452 decl libname for clog to __clog on AIX.
7454 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7456 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7459 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7460 output traceback table for thunks. Localise rs6000_stack_info call.
7462 2006-02-23 Roger Sayle <roger@eyesopen.com>
7463 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7465 * gthr-posix.h (__gthrw): Fix typo in comment.
7467 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7469 * doc/cpp.texi (Character sets): Document that we do support
7470 input files to be in any character set.
7472 2006-02-23 Jeff Law <law@redhat.com>
7474 * tree.h (PHI_ARG_NONZERO): Remove.
7475 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7476 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7477 node to the new node.
7479 PR tree-optimization/26425
7480 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7481 min/max, then assume its varying.
7483 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7485 PR rtl-optimization/26316
7486 * rtlanal.c (enum may_trap_p_flags): New.
7487 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7488 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7489 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7490 (may_trap_after_code_motion_p): New function.
7491 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7492 (find_invariant_insn): Use may_trap_after_code_motion_p.
7493 * rtl.h (may_trap_after_code_motion_p): Declare.
7495 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7497 * emit-rtl.c (immed_double_const): Cleanup.
7499 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7501 Fix PR tree-optimization/26376
7502 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7505 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7508 * gimplify.c (omp_add_variable): Guard variable size decl test with
7509 DECL_SIZE (decl) check.
7511 2006-02-23 Richard Guenther <rguenther@suse.de>
7514 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7515 like aggregate types.
7517 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7519 * configure.ac: Add --with{,out}-long-double-128 configure option.
7520 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7521 * configure: Rebuilt.
7522 * config.in: Rebuilt.
7523 * doc/install.texi (Options specification): Document
7524 --with-long-double-128.
7526 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7527 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7528 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7529 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7531 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7533 * config/s390/s390.c (override_options): Handle
7534 TARGET_DEFAULT_LONG_DOUBLE_128.
7536 * config/alpha/alpha.c (override_options): Handle
7537 TARGET_DEFAULT_LONG_DOUBLE_128.
7539 * config/sparc/sparc.c (sparc_override_options): Handle
7540 TARGET_DEFAULT_LONG_DOUBLE_128.
7542 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7544 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7545 (real-install-headers-tar, real-install-headers-cpio)
7546 (real-install-headers-cp): New targets.
7548 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7550 * tree.h (variable_section): Delete.
7551 * varasm.c (variable_section): Delete.
7553 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7555 * install.texi: Add notes on install.texi2html.
7556 (Building in parallel): Do not use footnotes.
7558 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7561 * doc/install.texi (Configuration): Document --disable-libgomp.
7563 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7565 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7567 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7569 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7570 (vec_extractv2df_0_sse): New.
7572 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7574 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7575 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7576 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7577 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7578 to the result of the expression.
7579 (def_cfa_1): Adjust.
7580 (frame_pointer_cfa_offset): Rename to...
7581 (frame_pointer_fb_offset): ... this. Adjust all uses.
7582 (convert_cfa_to_loc_list): Rename to...
7583 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7584 Pass it on to build_cfa_loc.
7585 (compute_frame_pointer_to_cfa_displacement): Rename to...
7586 (compute_frame_pointer_to_fb_displacement): ... this. New
7587 offset parameter. Use it in computation.
7588 (gen_subprogram_die): Compute cfa_fb_offset with the new
7589 macro, and use it to compute the fb loc list and the
7592 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7594 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7595 replaced with register_operand.
7596 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7597 non-DREG is expensive.
7598 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7599 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7602 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7604 * doc/install.texi2html: Use set -e.
7606 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7608 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7609 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7610 * doc/invoke.texi (-fshared-data): Delete.
7611 * common.opt (fshared-data): Delete.
7612 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7613 (assemble_static_space): Remove #if 0 code.
7614 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7615 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7616 * config/cris/cris.h: Remove FIXME.
7618 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7620 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7623 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7626 * combine.c (simplify_shift_const_1): Disable nested shifts
7627 optimization for vector shifts.
7629 2006-02-20 Roger Sayle <roger@eyesopen.com>
7631 PR tree-optimization/26361
7632 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7633 of unsigned integer types.
7635 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7637 * tree-chrec.c (eq_evolutions_p): New.
7638 * tree-chrec.h (eq_evolutions_p): Declared.
7639 * tree-data-ref.c: Fix formatting.
7640 (datadep_stats, dependence_stats): New.
7642 (print_direction_vector): New.
7643 (dump_data_dependence_relation): Use print_direction_vector.
7644 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7645 (compute_subscript_distance): Static.
7646 (initialize_data_dependence_relation): Static. Get the number
7647 of loops surrounding the references from the callers, and initialize
7648 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7649 base_object_differ_p analyzers.
7650 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7651 compute_overlap_steps_for_affine_1_2,
7652 analyze_subscript_affine_affine): Count the classified dependences.
7653 Print a message when a test failed.
7654 (can_use_analyze_subscript_affine_affine): New.
7655 (analyze_siv_subscript): Compute the data dependences on symbolic
7656 scevs that verify can_use_analyze_subscript_affine_affine.
7657 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7658 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7659 Handle symbolic scevs.
7660 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7662 (subscript_dependence_tester): Moved...
7663 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7664 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7665 DDR_SIZE_VECT instead of getting it in parameter.
7666 (subscript_dependence_tester): ... here. Take as a parameter
7667 loop_nest_depth. Call build_classic_dist_vector and
7668 build_classic_dir_vector.
7669 (compute_affine_dependence): Update subscript_dependence_tester
7670 parameters. Update datadep_stats counters. Call
7671 compute_subscript_distance.
7672 (compute_self_dependence): Save the dist and dir vectors. Call
7673 compute_subscript_distance.
7674 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7675 (compute_all_dependences): Reorder parameters as they were before
7676 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7677 compute_subscript_distance. Update the use of
7678 compute_affine_dependence and initialize_data_dependence_relation.
7679 (find_data_references_in_loop): Handle COMPONENT_REF.
7680 (compute_data_dependences_for_loop): Initialize dependence_stats.
7681 Don't call build_classic_dist_vector and build_classic_dir_vector.
7682 Update the parameters of initialize_data_dependence_relation and
7683 compute_all_dependences. Print the statistics from datadep_stats.
7684 (analyze_all_data_dependences): Static. Not used until the pass for
7685 checking the data dependences is contributed.
7686 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7687 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7688 (initialize_data_dependence_relation, compute_affine_dependence,
7689 analyze_all_data_dependences, compute_subscript_distance): Removed.
7690 (print_direction_vector): New.
7691 * lambda.h (gcd): ... here.
7692 (lambda_vector_gcd): Moved here from gcd_vector.
7693 * lambda-code.c (gcd, gcd_vector): Removed.
7694 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7695 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7697 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7699 * ipa-type-escape.c: Tidy some comments and white space.
7700 * tree-ssa-operands.c: Likewise.
7702 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7705 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7706 (dump_decl_name): Do not walk the decl tree chains.
7707 * tree-pass.h (TDF_CHAIN): Remove.
7709 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7711 * Makefile.in (C): Remove
7713 (.PHONY): Remove C and PROTO
7715 2006-02-20 Roger Sayle <roger@eyesopen.com>
7718 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7719 deprecated CHAR_TYPE tree code.
7721 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7723 * configure.ac (target_list): Add install-info, dvi, html.
7724 * configure: Regenerate.
7726 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7727 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7728 treelang/Make-lang.in: Do not use double-colon rules.
7730 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7732 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7733 (TMT_USED_ALONE): New macro.
7734 * tree-pass.h (PROP_tmt_usage): New property.
7735 (TODO_update_tmt_usage): New todo.
7736 * tree-ssa-alias.c (updating_used_alone): New variable.
7737 (recalculate_used_alone): New function.
7738 (compute_may_aliases): Set updating_used_alone, call
7739 recalculate_used_alone.
7740 * tree-sra.c (pass_sra): Note that this pass destroys
7741 PROP_tmt_usage, and add TODO_update_tmt_usage.
7742 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7743 * tree-flow.h (updating_used_alone): Prototype.
7744 (recalculate_used_alone): Ditto.
7745 * passes.c (execute_todo): Add code to set updating_used_alone,
7746 and call recalculate.
7747 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7748 for clobber if used alone, and add assert to verify used_alone
7751 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7753 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7754 for non tls symbols added.
7755 (legitimize_address): Do nothing for PLUS expressions if one of the
7756 addends is a tls symbol reference.
7758 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7762 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7764 * Makefile.in (BOOTSTRAPPING): New.
7765 (quickstrap): New definition if BOOTSTRAPPING=yes.
7767 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7768 * configure.ac: Substitute all_selected_languages with the languages
7769 that were configured. For all the other variables except
7770 lang_specs_files, include all the languages in the tree.
7771 * configure: Regenerate.
7773 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7774 if there is one. Run the commands to run fixincludes in the same
7777 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7778 * doc/install.texi: Document exact conventions for searching target tools.
7779 Document --with-build-time-tools. Document toplevel bootstrap. Document
7780 something more about building an Ada cross-compiler. Don't list GNU Make
7781 requirements which affect all platforms.
7783 2006-02-19 Roger Sayle <roger@eyesopen.com>
7786 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7787 only equivalent if the have both the same mode and precision.
7789 2006-02-20 Ben Elliston <bje@au.ibm.com>
7791 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7793 2006-02-19 Roger Sayle <roger@eyesopen.com>
7794 Steven Bosscher <stevenb.gcc@gmail.com>
7796 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7797 constant pool references to identify stack mode constants.
7798 * rtlanal.c (constant_pool_constant_p): New predicate to check
7799 whether operand is a floating point constant in the pool.
7800 * rtl.h (constant_pool_constant_p): Prototype here.
7801 * loop.c (scan_loop): Avoid hoisting constants from the constant
7802 pool on STACK_REGS targets.
7803 (load_mems): Likewise.
7804 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7805 loads into x87 registers expensive in terms of register pressure.
7807 2006-02-19 Roger Sayle <roger@eyesopen.com>
7809 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7810 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7812 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7814 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7815 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7817 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7819 * doc/invoke.texi: Document -fipa-pta.
7820 * common.opt: Add ipa-pta option.
7821 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7822 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7823 (do_ds_constraint): Ditto.
7824 (get_constraint_for): Only add to referenced_vars if
7825 referenced_vars exists.
7826 (insert_into_field_list): Rewrite to do this unsorted.
7827 (insert_into_field_list_sorted): Rename old insert_into_field_list
7829 (create_function_info_for): Use insert_into_field_list_sorted.
7830 (create_variable_info_for): Rewrite so it uses unsorted version,
7831 since the field list is sorted.
7832 (intra_create_variable_infos): Only add to referenced_vars if
7833 referenced_vars exists.
7834 (ipa_pta_execute): Init heapvars, and delete when done.
7835 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7837 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7839 * doc/install.texi: Add missing `@samp'.
7841 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7843 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7846 2006-02-18 Mark Wielaard <mark@klomp.org>
7848 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7849 who added new 4.1 features, bug fixes and integration support.
7851 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7854 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7857 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7859 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7860 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7861 (copy_insn_1): Likewise. Don't copy each field individually.
7863 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7865 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7866 * rtl.c (rtx_size): Rename variable to...
7867 (rtx_code_size): ...this.
7868 (rtx_size): New function.
7869 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7870 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7872 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7873 * rtl.h (rtx_code_size): New variable.
7874 (rtx_size): Change from a variable to a function.
7875 (RTX_SIZE): Rename to...
7876 (RTX_CODE_SIZE): ...this.
7879 PR tree-optimization/17106
7880 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7881 (Anchored Addresses): New section.
7882 * doc/invoke.texi (-fsection-anchors): Document.
7883 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7884 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7885 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7886 * hooks.c (hook_bool_mode_rtx_false): New function.
7887 * hooks.h (hook_bool_mode_rtx_false): Declare.
7888 * gengtype.c (create_optional_field): New function.
7889 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7890 SYMBOL_REF_IN_BLOCK_P is true.
7891 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7892 (min_anchor_offset, max_anchor_offset): Likewise.
7893 (use_anchors_for_symbol_p): New hook.
7894 * toplev.c (compile_file): Call output_object_blocks.
7895 (target_supports_section_anchors_p): New function.
7896 (process_options): Check that -fsection-anchors is only used on
7897 targets that support it and when -funit-at-a-time is in effect.
7898 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7899 if the decl doesn't have one.
7900 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7901 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7902 of force_const_mem through use_anchored_address.
7903 (expand_expr_constant): New function.
7904 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7905 calling expand_expr for INDIRECT_REF.
7906 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7907 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7908 * expr.h (use_anchored_address): Declare.
7909 * loop-unroll.c: Don't declare rtx vectors here.
7910 * explow.c: Include output.h.
7911 (validize_mem): Call use_anchored_address.
7912 (use_anchored_address): New function.
7913 * common.opt (-fsection-anchors): New switch.
7914 * varasm.c (object_block_htab, anchor_labelno): New variables.
7915 (hash_section, object_block_entry_eq, object_block_entry_hash)
7916 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7917 (use_blocks_for_decl_p, change_symbol_section): New functions.
7918 (get_variable_section): New function, split out from assemble_variable.
7919 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7920 use_blocks_for_decl_p say so. Use change_symbol_section if the
7921 symbol has already been created.
7922 (assemble_variable_contents): New function, split out from...
7923 (assemble_variable): ...here. Don't output any code for
7924 block symbols; just pass them to place_block_symbol.
7925 Use get_variable_section and assemble_variable_contents.
7926 (get_constant_alignment, get_constant_section, get_constant_size): New
7927 functions, split from output_constant_def_contents.
7928 (build_constant_desc): Create a block symbol if use_object_blocks_p
7929 says so. Or into SYMBOL_REF_FLAGS.
7930 (assemble_constant_contents): New function, split from...
7931 (output_constant_def_contents): ...here. Don't output any code
7932 for block symbols; just pass them to place_section_symbol.
7933 Use get_constant_section and get_constant_alignment.
7934 (force_const_mem): Create a block symbol if use_object_blocks_p and
7935 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7936 (output_constant_pool_1): Add an explicit alignment argument.
7937 Don't switch sections here.
7938 (output_constant_pool): Adjust call to output_constant_pool_1.
7939 Switch sections here instead. Don't output anything for block symbols;
7940 just pass them to place_block_symbol.
7941 (init_varasm_once): Initialize object_block_htab.
7942 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7943 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7944 (place_block_symbol, get_section_anchor, output_object_block)
7945 (output_object_block_htab, output_object_blocks): New functions.
7946 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7947 (TARGET_ASM_OUT): Include it.
7948 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7949 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7950 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7951 (TARGET_INITIALIZER): Include them.
7952 * rtl.c (rtl_check_failed_block_symbol): New function.
7953 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7954 (block_symbol, object_block): New structures.
7955 (rtx_def): Add a block_symbol field to the union.
7956 (BLOCK_SYMBOL_CHECK): New macro.
7957 (rtl_check_failed_block_symbol): Declare.
7958 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7959 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7960 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7961 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7962 * output.h (output_section_symbols): Declare.
7963 (object_block): Name structure.
7964 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7965 (default_use_anchors_for_symbol_p): Declare.
7966 * Makefile.in (RTL_BASE_H): Add vec.h.
7967 (explow.o): Depend on output.h.
7968 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7969 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7970 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7971 (rs6000_use_blocks_for_constant_p): New function.
7973 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7975 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7977 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7980 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7983 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7985 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7989 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7992 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7993 instead of DECL_REGISTER.
7995 2006-02-18 Olivier Hainque <hainque@adacore.com>
7998 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8000 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8003 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8004 * opth-gen.awk: Handle Var and InverseMask together.
8005 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8006 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8007 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8008 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8010 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8011 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8012 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8013 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8014 LINUX_DYNAMIC_LINKER): Define.
8015 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8016 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8018 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8019 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8020 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8021 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8022 (TARGET_C99_FUNCTIONS): Don't define.
8023 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8024 GLIBC_DYNAMIC_LINKER.
8025 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8026 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8027 GLIBC_DYNAMIC_LINKER64): Define.
8028 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8029 LINUX_DYNAMIC_LINKER64.
8030 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8031 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8032 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8033 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8034 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8035 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8036 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8037 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8038 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8039 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8040 and LINUX_DYNAMIC_LINKER32.
8041 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8042 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8043 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8044 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8045 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8047 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8048 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8049 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8050 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8051 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8052 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8053 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8054 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8055 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8056 LINUX_DYNAMIC_LINKER): Define.
8057 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8058 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8059 GLIBC_DYNAMIC_LINKER64): Define.
8060 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8061 LINUX_DYNAMIC_LINKER64.
8062 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8063 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8064 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8065 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8066 LINUX_DYNAMIC_LINKER): Define.
8067 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8068 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8069 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8070 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8071 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8072 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8073 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8074 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8075 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8076 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8077 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8078 * doc/invoke.texi (-muclibc): Remove caveat about supported
8081 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8083 * doc/cpp.texi (__TIMESTAMP__): Document.
8085 2006-02-17 Roger Sayle <roger@eyesopen.com>
8088 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8089 C is one less than the width of X (and related transformations).
8090 * simplify-rtx.c (simplify_unary_operation_1): Transform
8091 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8092 depending on STORE_FLAG_VALUE, were C is one less then the
8095 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8097 Fix PR tree-optimization/26341
8098 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8099 about NAME_MEMORY_TAG's.
8101 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8104 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8105 with hardware float support, and software float support. Add fcpy
8106 alternative to hardware patterns. Add alternatives to copy between
8107 general and floating-point registers to the 32-bit pattern.
8108 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8109 secondary reload to load a QI or HI mode constant into a floating
8111 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8112 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8114 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8117 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8119 (load_macho_picbase_di): Likewise.
8121 2006-02-16 Jeff Law <law@redhat.com>
8123 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8124 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8125 (ssa_name_nonzero_p): Likewise.
8126 (get_value_range): Return NULL if VRP is not running.
8127 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8128 VRP routines do not discover a range.
8129 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8130 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8131 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8132 (tree_expr_nonnegative_p): Similarly.
8133 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8134 (restore_nonzero_vars_to_original_value): Remove.
8135 (unsafe_associative_fp_binop): Remove.
8136 (tree_ssa_dominator_optimize): Remove initialization and
8137 finalization of nonzero_vars and nonzero_vars_stack.
8138 (dom_opt_initialize_block): No longer push marker on
8140 (dom_opt_finalize_block): No longer call
8141 restore_nonzero_vars_to_original_value.
8142 (record_equivalences_from_phis): No longer look for
8143 nonzero PHI arguments.
8144 (cprop_into_successor_phis): No longer propagate nonzero
8145 property into PHI arguments. Lose unused argument. Caller
8147 (record_equivalences_from_stmt): No longer record nonzero
8148 values for SSA_NAMEs.
8149 (lookup_avail_expr): No longer use nonzero_vars.
8151 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8152 for sizetype when sizetype is unsigned.
8154 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8156 PR rtl-optimization/25603
8157 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8158 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8159 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8160 with new meaning of SETS.
8162 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8167 * config/linux.opt: New file.
8168 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8169 LINUX_DYNAMIC_LINKER): Define.
8170 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8171 * config.gcc (*-*-linux*): Define extra_options.
8172 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8173 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8174 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8175 GLIBC_DYNAMIC_LINKER.
8176 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8177 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8178 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8179 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8180 * doc/invoke.texi (GNU/Linux Options): New section.
8182 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8184 * config/sparc/sparc.md (setjmp): Rewrite.
8185 (setjmp_32): Delete.
8186 (setjmp_64): Likewise.
8188 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8190 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8193 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8195 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8198 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8200 PR rtl-optimization/26296
8201 * Makefile.in (loop-invariant.c): Add except.h dependency.
8202 * loop-invariant.c: Include except.h.
8203 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8205 2005-02-16 Paul Brook <paul@codesourcery.com>
8207 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8210 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8212 PR rtl-optimization/25636
8213 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8214 when deciding whether an insn is an initializing insn.
8216 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8218 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8219 (tree_code_size): Ditto.
8220 * tree.h (struct tree_memory_tag): Remove parent_var.
8221 (struct tree_struct_field_tag): New.
8224 (union tree_node): Add sft member.
8225 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8227 (create_sft): Add size and offset argument, set SFT_OFFSET and
8229 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8230 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8231 * tree-flow-inline.h (get_subvar_at): Update for
8232 SFT_OFFSET/SFT_SIZE.
8233 (var_can_have_subvars): Ditto.
8234 (overlap_subvar): Ditto.
8235 * print-tree.c (print_node): Print out interesting things for
8237 * tree-flow.h (struct subvar): Remove offset and size members.
8238 * tree-ssa-operands.c (get_expr_operands): Update for
8239 get_indirect_ref_operands changes.
8240 (get_indirect_ref_operands): Call add_virtual_operand instead of
8241 add_stmt_operand. Only recurse on base var if requested.
8242 (access_can_touch_variable): New function.
8243 (add_stmt_operand): Split virtual operand handling into ...
8244 (add_virtual_operand): Here. Add offset, size, and for_clobber
8245 arguments. Prune alias sets.
8246 (add_call_clobber_ops): Call add_virtual_operand.
8248 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8251 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8253 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8254 than TREE_CODE as index into omp_clause_num_ops array.
8256 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8258 PR rtl-optimization/26184
8259 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8261 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8262 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8263 must_precede, must_follow and tobe_scheduled.
8266 * opts.c (common_handle_option): Free new_option pointer.
8267 * df-core.c (df_analyze): Free postorder pointer.
8269 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8271 * Makefile.in: Fix the examples about the use of stamps
8273 2006-02-15 Michael Matz <matz@suse.de>
8277 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8278 influenced by maximum_field_alignment or DECL_PACKED.
8279 (update_alignment_for_field): Ditto.
8280 (place_field): Ditto.
8281 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8284 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8286 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8287 (debug_flow_info): Pass it.
8288 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8289 * bb-reorder.c (reorder_basic_blocks): Likewise.
8290 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8291 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8292 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8293 * gcse.c (gcse_main, bypass_jumps): Likewise.
8294 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8295 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8296 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8297 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8298 * rtl.h (dump_flow_info): Adjust prototype.
8299 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8300 * var-tracking.c (variable_tracking_main): Likewise.
8301 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8302 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8305 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8307 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8310 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8312 PR tree-optimization/26209
8313 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8314 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8316 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8318 2006-02-14 Roger Sayle <roger@eyesopen.com>
8321 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8322 (X,Y) and the corresponding symmetry related transformations.
8323 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8324 (X,Y) and its symmetry related transformations.
8326 2006-02-14 Roger Sayle <roger@eyesopen.com>
8328 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8331 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8333 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8335 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8338 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8339 support COMDAT group.
8340 * configure: Regenerate.
8342 2006-02-14 Roger Sayle <roger@eyesopen.com>
8347 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8349 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8351 Fix PR tree-optimization/26260
8353 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8355 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8356 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8357 * tree-ssa-structalias.c (create_variable_info_for): Use
8358 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8360 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8362 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8364 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8365 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8366 of the ending condition.
8367 * tree-ssa-loop-manip.c: Include params.h.
8368 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8369 tree_unroll_loop): New functions.
8370 * tree-pass.h (pass_loop_prefetch): Declare.
8371 * loop.c (rest_of_handle_loop_optimize): Test for
8372 -fprefetch-loop-arrays-rtl.
8373 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8374 * timevar.def (TV_TREE_PREFETCH): New timevar.
8375 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8376 pass_loop_prefetch): New.
8377 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8378 (cleanup_tree_cfg_loop): Call scev_reset.
8379 * common.opt (fprefetch-loop-arrays-rtl): Add.
8380 * tree-ssa-loop-prefetch.c: New file.
8381 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8382 (new_temp_expr_table): Initialize expr_vars.
8383 (free_temp_expr_table): Cleanup expr_vars.
8384 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8385 expressions from being merged into one.
8386 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8387 (struct tree_niter_desc): Add control, bound and cmp fields.
8388 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8390 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8391 (tree-cfgcleanup.o): Add SCEV_H dependency.
8392 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8393 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8395 2006-02-14 Richard Guenther <rguenther@suse.de>
8397 PR tree-optimization/26258
8398 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8399 in PHI argument processing.
8401 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8403 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8404 new expression in the requested machine mode.
8406 2006-02-13 Roger Sayle <roger@eyesopen.com>
8408 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8409 directly, instead let do_compare_rtx_and_jump handle this for us.
8410 * expr.c (expand_expr_real_1): Likewise.
8411 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8412 before do_jump_by_parts_greater.
8413 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8414 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8416 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8418 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8420 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8422 PR rtl-optimization/26235
8423 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8424 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8427 2006-02-13 Jeff Law <law@redhat.com>
8429 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8432 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8435 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8436 twice if decl is a builtin. When trying again, call get_callee_fndecl
8437 first to verify it is still a builtin.
8439 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8441 * dwarf2out.c (base_type_die): Don't add AT_name here.
8442 (subrange_type_die): Don't add AT_name here.
8443 (modified_type_die): Rearrange code flow. Do add AT_name here.
8445 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8447 PR rtl-optimization/26247
8448 PR rtl-optimization/26248
8449 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8451 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8453 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8454 * config/fixtfdi.c: Likewise.
8455 * config/fixunstfdi.c: Likewise.
8456 * config/floatditf.c: Likewise.
8458 2006-02-13 Roger Sayle <roger@eyesopen.com>
8461 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8462 into (X,C2) if C1 is a subset of the bits of C2. Transform
8463 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8465 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8467 2006-02-13 Josh Conner <jconner@apple.com>
8470 * varasm.c (function_section): Check for section name before
8471 calling select_section on targets that define
8472 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8473 unlikely_text_section instead of hot_function_section if
8474 first_function_block_is_cold.
8476 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8479 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8481 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8483 PR rtl-optimization/26222
8484 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8485 after tree->rtl expansion.
8486 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8487 before passing it to emit_move_insn.
8489 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8491 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8493 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8494 Clarify documentation.
8495 * c-common.h (warn_write_strings): Remove.
8496 * c-common.c (warn_write_strings): Likewise.
8497 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8500 2006-02-12 Roger Sayle <roger@eyesopen.com>
8503 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8504 (do_jump_parts_zero_rtx): New function renamed from
8505 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8506 (do_jump_parts_equality_rtx): New function split out from
8507 do_jump_parts_equality. Old implementation renamed as above.
8508 Call do_jump_parts_zero_rtx if either operand is zero.
8509 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8510 do all of the heavy lifting.
8511 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8512 calling either do_jump_by_parts_greater_rtx or
8513 do_jump_by_parts_equality_rtx.
8514 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8515 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8516 moved to do_compare_rtx_and_jump, call it directly.
8517 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8518 mode argument. Call do_compare_rtx_and_jump.
8519 (emit_case_nodes): Update calls to do_jump_if_equal.
8521 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8523 PR rtl-optimization/26225
8524 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8526 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8528 PR rtl-optimization/26232
8529 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8531 2006-02-11 Jason Merrill <jason@redhat.com>
8534 * tree-inline.c (declare_return_variable): Just don't use the
8535 modify target if it's a gimple complex reg and the return slot
8538 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8540 * doc/contrib.texi: Update my entry.
8542 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8544 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8546 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8548 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8551 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8553 * doc/invoke.texi (-floop-optimize2): Removed.
8554 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8555 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8556 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8557 * common.opt (floop-optimize2): Removed.
8558 (fmove-loop-invariants): Enabled by default.
8560 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8562 * tree-if-conv.c (combine_blocks): Free the result of
8563 get_loop_exit_edges.
8565 2006-02-10 Jeff Law <law@redhat.com>
8567 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8569 PR tree-optimization/26213
8570 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8571 loop trying to follow SSA_NAME_VALUE chains.
8573 2006-02-10 Richard Guenther <rguenther@suse.de>
8575 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8576 deal with structures that end in implicitly variable sized arrays.
8578 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8580 PR rtl-optimization/24762
8581 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8584 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8586 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8587 (struct ivopts_data): Add regs_used field.
8588 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8589 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8590 instead of loop_data->regs_used;
8591 (free_loop_data): Do not free aux fields for loops.
8592 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8593 and tree_ssa_iv_optimize_finalize.
8595 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8597 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8599 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8602 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8603 computing the effective result type.
8605 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8608 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8609 (tree_overlaps_hard_reg_set): Declare.
8610 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8611 type and signature to match function type expected by walk_tree.
8612 (tree_overlaps_hard_reg_set): New function.
8613 (decl_conflicts_with_clobbers_p): Rename to:
8614 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8615 Use tree_overlaps_hard_reg_set. Changed caller.
8616 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8617 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8618 * cris.c (cris_md_asm_clobbers): Likewise.
8620 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8622 * reload1.c (emit_input_reload_insns): Delete code that tries to
8623 inherit using find_equiv_reg.
8625 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8627 * c-common.h (flag_const_strings): Don't declare.
8628 * c-common.c (flag_const_strings): Remove.
8629 * c.opt (fconst_strings): Remove.
8630 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8631 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8632 (c_common_init_options): Don't set flag_const_strings.
8633 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8635 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8637 * arm.md (tlobits_cbranch): New pattern.
8638 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8639 testing a single bit.
8641 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8644 * tree-ssa-pre.c (create_component_ref_by_pieces):
8645 Handle RETURN_DECL like VAR_DECL.
8647 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8650 * fold-const.c (fold_indirect_ref_1): Fold
8651 "*(foo *)&complexfoo" to "__real__ complexfoo"
8652 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8654 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8656 * tree-flow-inline.h (var_can_have_subvars):
8657 Volatile variables should not have subvariables.
8659 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8662 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8663 multiplying unsigned values.
8666 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8668 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8670 2006-02-08 Jason Merrill <jason@redhat.com>
8673 * tree.def: Elaborate on difference from MODIFY_EXPR.
8674 * doc/c-tree.texi (INIT_EXPR): Likewise.
8675 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8676 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8677 (gimplify_target_expr): Likewise.
8678 (gimplify_cond_expr): Remove target handling.
8679 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8680 (gimplify_expr): Clobber it here.
8681 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8682 Do return slot optimization if we have an INIT_EXPR.
8685 * tree-inline.c (declare_return_variable): Also clear
8686 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8689 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8692 * gimplify.c (gimplify_one_sizepos): Fix typo.
8694 2006-02-08 Jeff Law <law@redhat.com>
8696 PR tree-optimization/21417
8697 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8698 across a backedge if the control statement at the end of the
8699 block is data dependent on other statements in the same block.
8700 (record_temporary_equivalences_from_stmts): Remove over-conservative
8701 test for threading across backedges.
8703 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8704 control statement, handle all three special cases in the same
8705 manner as they all have the same desired solution. No longer
8706 special case edge flag updating when the post dominator is
8709 2006-02-08 Roger Sayle <roger@eyesopen.com>
8711 * tree.def (CHAR_TYPE): Remove.
8712 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8713 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8714 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8715 (gen_string_type_die): Delete unreachable function.
8717 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8718 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8719 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8720 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8721 * builtins.c (type_to_class): Likewise.
8722 * fold-const.c (fold_convert, build_range_check,
8723 merge_ranges): Likewise.
8724 * expr.c (count_type_elements): Likewise.
8725 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8726 * stor-layout.c (layout_type): Likewise.
8727 * ipa-type-escape.c (type_to_consider): Likewise.
8728 * gimplify.c (omp_firstprivatize_type_sizes,
8729 gimplify_type_sizes): Likewise.
8730 * explow.c (promote_mode): Likewise.
8731 * tree-sra.c (is_sra_scalar_type): Likewise.
8732 * varasm.c (output_constant): Likewise.
8733 * tree-inline.c (remap_type_1): Likewise.
8734 * convert.c (convert_to_pointer, convert_to_real,
8735 convert_to_integer, convert_to_complex): Likewise.
8737 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8739 * df-scan.c (df_def_record_1): A set destination may
8740 be a parallel regardless of mode.
8742 2006-02-08 Roger Sayle <roger@eyesopen.com>
8745 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8746 * config/mips/_tilib.c: Remove.
8747 * config/fixtfdi.c: New libgcc source file.
8748 * config/fixunstfdi.c: New source file.
8749 * config/floatditf.c: New source file.
8750 * config/floatunditf.c: New souce file.
8751 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8752 files above instead of config/mips/_tilib.c.
8753 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8755 2006-02-08 Jeff Law <law@redhat.com>
8757 PR tree-optimization/26169
8758 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8761 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8763 * df.h (DF_REG_SIZE): Return the length of the initialized
8766 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8768 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8769 __muldf3): Return a correctly signed zero.
8771 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8773 * passes.c (register_one_dump_file): Accept the current properties
8774 instead of pass number. Adjust call to dump_register. Remove
8776 (register_dump_files): Now a wrapper around...
8777 (register_dump_files_1): ... this one. Do not modify the pass
8779 (next_pass_1): Cosmetic fix.
8780 (execute_todo): Keep second parameter only. Use curr_properties
8781 instead of fetching it from the pass structure. Check and set
8783 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8784 instead of fetching it from the pass structure. Fix calls to
8785 execute_todo. Update curr_properties and initialize .vcg RTL dump
8786 after running the pass. Reset last_verified.
8787 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8789 (FIRST_AUTO_NUMBERED_DUMP): New.
8790 (dump_register): Remove "num" parameter, assign it within the
8792 (get_dump_file_name): Modify template for dumps.
8793 * tree-dump.h (dump_register): Adjust prototype.
8794 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8795 (PROP_trees): Add PROP_gimple_lomp.
8796 (TODO_set_props): New.
8797 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8798 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8799 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8801 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8803 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8804 (sparc64-*-linux*): Likewise.
8805 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8806 * config/sparc/t-linux: New file.
8807 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8808 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8809 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8810 -m32 -mlong-double-128.
8812 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8813 * config/alpha/t-linux: New file.
8814 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8816 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8817 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8818 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8819 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8820 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8821 (CPP_ARCH32_SPEC): Remove.
8823 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8825 PR tree-optimization/26145
8826 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8829 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8832 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8833 >= 240000 when generating code for SOM runtime.
8834 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8835 to $$dyncall when generating code for SOM runtime..
8837 2006-02-07 Dirk Mueller <dmueller@suse.com>
8840 * doc/invoke.texi (-Wsequence-point): Update documentation
8841 that -Wsequence-point is implemented for C++ as well.
8843 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8845 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8846 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8847 (LIB_SPEC): Likewise.
8848 * doc/invoke.texi (SPARC options): Document -pthread.
8850 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8852 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8855 2006-02-07 Roger Sayle <roger@eyesopen.com>
8857 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8858 Correct comment describing BOOLEAN_TYPE.
8860 2006-02-07 Dirk Mueller <dmueller@suse.com>
8862 * c.opt: C++ frontend supports -Wdiv-by-zero.
8863 * c-opts.c (c_common_handle_option): Remove dead case.
8865 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8867 * configure.ac (TLS assembler check): Do not enable TLS by
8868 default on SPARC/Solaris before version 10.
8869 * configure: Regenerate.
8871 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8873 * doc/invoke.texi (xl-compat): Document conversion and support
8876 2006-02-07 Jeff Law <law@redhat.com>
8878 * tree-vrp.c (find_conditional_asserts): Update comments.
8879 (simplify_stmt_for_jump_threading): New.
8880 (identify_jump_threads, finalize_jump_threads): New.
8881 (vrp_finalize): Call identify_jump_threads.
8882 (execute_vrp): Call finalize_jump_threads.
8883 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8884 (vrp_element, vrp_data, vrp_element_p): Remove.
8885 (vrp_hash_elt, vrp_variables_stack): Remove.
8886 (vrp_hash, vrp_eq, record_range): Remove.
8887 (simplify_cond_and_lookup_avail_expr): Remove.
8888 (extract_range_from_cond): Remove.
8889 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8890 (simplify_stmt_for_jump_threading): New.
8891 (dom_thread_across_edge): New wrapper.
8892 (tree_ssa_dominator_optimize): No longer initialize or
8893 finalize any of the VRP datastructures. Remove iteration
8894 step and simplify as a result of removal of iteration step.
8895 (pass_dominator): Perform a cfg cleanup after DOM.
8896 (dom_opt_finalize_block): Use the new common routines
8897 for threading jumps. Simplify stack management slightly.
8898 No longer need to unwind VRP state.
8899 (record_equivalences_from_incoming_edge): No longer record
8901 (eliminate_redundant_computations): No longer call
8902 simplify_cond_and_lookup_avail_expr.
8903 * tree-flow.h (potentially_threadable_block): Prototype.
8904 (thread_across_edge): Likewise.
8905 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8906 (tree-ssa-threadedge.o): Add dependencies.
8907 * tree-ssa-threadedge.c: New file.
8908 * passes.c (init_optimization_passes): Merge PHIs before
8909 calling VRP. Run VRP again late in the SSA optimization pipeline.
8911 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8913 * df-core.c (df_set_blocks): Do not dereference function pointers.
8914 (df_finish1): Likewise.
8915 (df_hybrid_search_forward): Likewise.
8916 (df_hybrid_search_backward): Likewise.
8917 (df_iterative_dataflow): Likewise.
8918 (df_analyze_problem): Likewise.
8919 (df_compact_blocks): Likewise.
8920 (df_dump): Likewise.
8921 * df-scan.c (df_rescan_blocks): Likewise.
8922 (df_record_entry_block_defs): Likewise.
8924 * genconditions.c (write_conditions): Guard the definition of
8925 'insn_conditions' with the check on GCC version.
8926 (write_writer): Guard the traversal 'insn_conditions' with
8927 the check on GCC version.
8929 2006-02-07 Richard Guenther <rguenther@suse.de>
8933 2006-01-30 Richard Guenther <rguenther@suse.de>
8935 * gimplify.c (gimplify_target_expr): Handle easy cases
8936 without creating a temporary.
8938 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8940 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8941 use of float in probability computations. Use edge probabilities
8942 in place of statically computed probabilities.
8943 (min_spec_prob): New static variable.
8944 (schedule_insns): Initialize it.
8945 (GET_SRC_PROB): Removed.
8946 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8948 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8951 * config/ia64/unwind-ia64.c: Revert last change.
8952 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8953 (INCOMING_FRAME_SP_OFFSET): Define.
8955 2006-02-06 Roger Sayle <roger@eyesopen.com>
8957 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8959 2006-02-07 Ben Elliston <bje@au.ibm.com>
8961 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8962 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8963 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8964 (ix86_return_in_memory): Handle TDmode.
8965 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8966 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8968 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8970 * reorg.c (dbr_schedule): Use dump_file instead of file.
8972 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8975 * config/ia64/predicates.md (extr_len_operand): New predicate.
8976 * config/ia64/ia64.md (extv): Tighten constraints.
8978 (*tbit_and_2): Ditto.
8979 (*tbit_and_3): Ditto.
8980 (*tbit_or_2): Ditto.
8981 (*tbit_or_3): Ditto.
8985 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8988 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8990 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8992 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8993 loop_optimizer_init and loop_optimizer_finalize
8994 * tree-ssa-sink.c (execute_sink_code): Ditto.
8995 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8996 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8997 tree_ssa_loop_done): Ditto.
8998 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8999 * sched-ebb.c: Include output.h.
9000 (schedule_ebbs): Do not use dump argument.
9001 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9002 * loop.c (loop_dump_stream): Removed.
9003 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9005 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9006 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9007 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9008 loop_iterations, strength_reduce, record_biv, record_giv,
9009 final_giv_value, check_final_value, check_ext_dependent_givs,
9010 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9011 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9012 dump_file instead of loop_dump_stream.
9013 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9015 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9017 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9018 * haifa-sched.c: Include output.h
9019 (schedule_insns, sched_init): Do not use dump argument.
9020 * mode-switching.c (optimize_mode_switching): Ditto.
9021 * modulo-sched.c (stats_file): Removed.
9022 (print_node_sched_params): Do not call argument dump_file.
9023 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9024 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9026 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9028 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9029 rtl_loop_init, rtl_loop_done): Ditto.
9030 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9031 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9033 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9034 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9035 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9036 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9037 * emit-rtl.c (renumber_insns): Ditto.
9038 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9039 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9040 * regclass.c (regclass): Ditto.
9041 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9042 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9043 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9044 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9046 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9047 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9049 * gcse.c (gcse_file, debug_stderr): Removed.
9050 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9051 rest_of_handle_gcse): Do not use dump argument.
9052 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9053 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9054 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9055 compute_code_hoist_vbeinout, compute_code_hoist_data,
9056 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9057 compute_store_table, build_store_vectors, insert_insn_start_bb,
9058 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9059 store_motion): Use dump_file instead of gcse_file.
9060 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9061 * profile.c (profile_dump_file): Removed.
9062 (branch_prob): Use dump_file instead of profile_dump_file.
9063 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9065 * tree-ssa-copy.c (dump_copy_of): Ditto.
9066 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9067 dump file to life_analysis.
9068 * bt-load.c (branch_target_load_optimize): Ditto.
9069 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9071 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9072 regclass, dbr_schedule): Declaration changed.
9073 * sched-int.h (sched_init): Declaration changed.
9074 * tree-profile.c (tree_profile_dump_file): Removed.
9075 (tree_profile_hooks): Removed profile_dump_file hook.
9076 * rtl-profile (rtl_profile_dump_file): Removed.
9077 (rtl_profile_hooks): emoved profile_dump_file hook.
9078 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9080 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9081 * tree-cfg.c (build_tree_cfg): Ditto.
9082 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9083 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9084 Declaration changed.
9085 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9086 life_analysis and schedule_insns.
9087 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9089 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9091 * config/mips/mips.c (mips_reorg): Ditto.
9092 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9095 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9097 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9098 (s390_mangle_fundamental_type): New.
9099 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9102 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9103 (alpha_mangle_fundamental_type): New.
9104 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9107 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9109 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9111 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9112 (sparc_mangle_fundamental_type): New.
9114 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9116 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9117 (s390x-*-linux*): Likewise.
9118 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9119 * config/s390/t-linux: New file.
9121 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9123 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9124 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9126 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9128 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9129 (ANTIC_SAFE_LOADS): New macro.
9130 (find_or_generate_expression): Add prototype.
9131 (set_contains_value): Allow null set for sake of not always having
9132 to allocate ANTIC_SAFE_LOADS.
9133 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9134 Allow COMPONENT_REF too.
9135 (valid_in_set): Allow COMPONENT_REF.
9136 Check ANTIC_SAFE_LOADS too.
9137 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9138 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9140 (can_PRE_operation): Add COMPONENT_REF.
9141 (create_component_ref_by_pieces): New function.
9142 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9143 (insert_aux): Move AGGREGATE_TYPE_P check here.
9144 (compute_avail): Set bb local stmt uids.
9145 (pass_pre): Use TODO_update_ssa_only_virtuals.
9147 2006-02-06 Ben Elliston <bje@au.ibm.com>
9149 * configure.ac: Unconditionally disable decimal float by default.
9150 * configure: Regenerate.
9152 2006-02-06 Ben Elliston <bje@au.ibm.com>
9154 * read-rtl.c (read_name): Terminate reading on EOF.
9156 2006-02-06 Ben Elliston <bje@au.ibm.com>
9158 * dfp.c (decimal_real_arithmetic): Change second argument type
9159 from int to enum tree_code. Do not always return true, but now
9160 return result of any call to decimal_do helper functions.
9161 * dfp.h (decimal_real_arithmetic): Update prototype.
9163 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9165 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9167 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9170 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9173 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9175 * tree-vrp.c (cfg_loops): Removed.
9176 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9177 Use current_loops instead of cfg_loops. Pass flags to
9178 loop_optimizer_init.
9179 * cfgloopmanip.c (fix_loop_structure): Update only available
9181 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9182 loop_optimizer_init.
9183 * modulo-sched.c (build_loops_structure): Removed.
9184 (sms_schedule): Use loop_optimizer_init.
9185 * loop-init.c (loop_optimizer_init): Use flags to determine
9186 which properties of loops to prepare.
9187 (rtl_loop_init): Pass flags to loop_optimizer_init.
9188 * tree-ssa-sink.c (execute_sink_code): Ditto.
9189 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9190 * tree-ssa-pre.c (init_pre): Ditto.
9191 * cfgloop.h (LOOPS_NORMAL): New.
9192 (loop_optimizer_init): Declaration changed.
9194 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9196 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9197 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9199 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9201 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9203 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9204 * pa/t-pa64: Delete quadlib.c rule.
9205 * pa/x-ada: Revert last change.
9206 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9208 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9210 PR rtl-optimization/26087
9211 * rtlanal.c (canonicalize_condition): Do not cross basic block
9214 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9217 * config/ia64/ia64.c: Include debug.h.
9218 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9219 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9220 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9221 (process_epilogue, process_set, process_for_unwind_directive):
9222 Output unwind info only if requested. Add CFA info if requested.
9223 Add new arguments as needed. Adjust callers.
9224 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9226 (DWARF2_FRAME_INFO): Define to zero.
9227 * config/ia64/unwind-ia64.c: Remove code that compensated for
9228 the CFA offset error fixed above.
9229 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9230 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9231 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9232 -funwind-tables and -fexceptions to enable frame info.
9233 (dwarf2out_frame_init): Define initial CFA even if
9234 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9235 DWARF2_UNWIND_INFO is nonzero, not just defined.
9236 (dwarf2out_frame_finish): Output non-EH call frame info only
9237 if DWARF2_FRAME_INFO is nonzero.
9238 (convert_cfa_to_loc_list,
9239 compute_frame_pointer_to_cfa_displacement): Define even if
9240 unwind info is not supported.
9241 (gen_subprogram_die): Use the above unconditionally. Remove
9242 legacy alternate code.
9243 * toplev.c (compile_file): Compile in call to
9244 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9245 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9247 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9248 Jakub Jelinek <jakub@redhat.com>
9250 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9251 IBM extended float format long double as "g" on powerpc*-linux.
9253 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9256 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9257 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9259 2006-02-03 Jason Merrill <jason@redhat.com>
9262 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9265 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9266 on the return slot if it's an NRV.
9268 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9270 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9271 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9272 rewrite_use): Do not handle USE_OUTER.
9273 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9274 add_iv_outer_candidates, may_replace_final_value,
9275 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9276 (find_interesting_uses_op): Functionality of
9277 find_interesting_uses_outer_or_nonlin moved here.
9278 (find_interesting_uses_outside): Use find_interesting_uses_op.
9280 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9283 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9285 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9286 Ulrich Weigand <uweigand@de.ibm.com>
9289 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9290 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9291 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9292 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9294 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9295 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9296 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9297 Define secondary reloads for TFmode moves.
9298 (constant_modes): Add TFmode.
9299 (NR_C_MODES): Set to 8.
9300 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9302 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9303 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9304 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9305 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9306 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9307 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9308 (FPR mode macro): Add TFmode.
9309 (DSF mode macro): New.
9310 (<de>, <dee> mode attributes): Removed.
9311 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9312 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9313 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9314 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9315 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9316 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9317 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9318 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9319 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9320 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9321 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9322 "*negabs<mode>2", "sqrt<mode>2"):
9323 Changed <de> to <xde>. R constraint replaced by <Rf>.
9324 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9326 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9327 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9328 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9330 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9331 "extenddftf2", "extendsftf2"): New expanders.
9332 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9333 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9334 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9335 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9337 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9338 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9339 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9340 __floatditf): Add a GCC_4.1.0 symbol version tag.
9341 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9344 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9347 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9348 Use targetm.binds_local_p instead of TREE_PUBLIC.
9350 2006-02-02 Roger Sayle <roger@eyesopen.com>
9352 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9353 on INTEGER_TYPEs to indicate that it denotes a character type.
9354 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9355 signed_char_type_node, unsigned_char_type_node and char_type_node.
9356 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9357 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9358 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9360 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9361 Daniel Berlin <dberlin@dberlin.org>
9363 * tree-tailcall.c (arg_needs_copy_p): New function.
9364 (eliminate_tail_call): Use arg_needs_copy_p.
9365 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9366 (add_virtual_phis): New function.
9368 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9370 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9371 #ignore instead of #scratch for %g7 .register directive.
9373 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9375 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9378 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9380 * flow.c (calculate_global_regs_live): Assert that there aren't any
9383 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9385 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9387 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9388 bsi_after_labels iterator.
9389 * tree-if-conv.c (find_phi_replacement_condition,
9390 replace_phi_with_cond_modify_expr): Likewise.
9391 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9392 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9394 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9396 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9398 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9401 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9402 array after growing it.
9404 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9407 * fold-const.c (fold_checksum_tree): Change type of buf.
9409 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9411 * reload.c (push_secondary_reload): Initialize t_icode.
9413 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9415 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9416 -msoft-float -mlong-double-128 only issue a warning, but don't
9417 swich to DFmode long double.
9419 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9421 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9422 has a constant equivalent, iterate over equivalents for arg0,
9423 calling simplify_relational_operation and if there's a result
9424 cheaper than X, apply fold_rtx and return the result.
9426 2006-02-01 Jan Hubicka <jh@suse.cz>
9428 * opts.c (no_unit_at_a_time_default): New global variable.
9429 (decode_options): Use it.
9430 * opts.h (no_unit_at_a_time_default): Declare.
9432 2006-02-01 Paul Brook <paul@codesourcery.com>
9434 * function.c (assign_parm_setup_reg): Use function argument promotion
9436 * expr.c (expand_expr_real_1): Use function argument promotion rules
9439 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9441 * gcc.c (process_command): Change j to 'unsigned int'.
9443 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9446 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9447 Use the corrected index for the character
9448 out of the string constant.
9450 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9452 * mode-switching.c (optimize_mode_switching): Fix size
9453 allocated for bb_info[n_entities].
9455 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9457 * gcc.c (main): Correct type that is allocated for
9458 explicit_link_files.
9460 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9462 * config/s390/s390.c (init_alignment_context): Set
9463 ALIAS_SET_MEMORY_BARRIER on the MEM.
9464 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9466 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9469 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9471 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9474 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9476 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9477 * regrename.c: Ditto.
9478 * tree-ssa-loop-im.c: Ditto.
9479 * tree-dump.c: Ditto.
9480 * tree-complex.c: Ditto.
9481 * genrecog.c: Ditto.
9482 * tree-ssa-threadupdate.c: Ditto.
9484 * java/class.c: Ditto.
9485 * java/jcf-parse.c: Ditto.
9486 * java/resource.c: Ditto.
9487 * java/except.c: Ditto.
9488 * java/jvspec.c: Ditto.
9489 * java/jcf-write.c: Ditto.
9490 * java/jcf-path.c: Ditto.
9491 * java/gjavah.c: Ditto.
9492 * java/zextract.c: Ditto.
9493 * java/jcf-io.c: Ditto.
9494 * java/jcf.h: Ditto.
9495 * java/buffer.c: Ditto.
9496 * java/lang.c: Ditto.
9497 * java/parse-scan.y: Ditto.
9498 * java/lex.c: Ditto.
9499 * java/lex.h: Ditto.
9500 * cfgloopmanip.c: Ditto.
9501 * postreload-gcse.c: Ditto.
9502 * tree-ssa-loop-manip.c: Ditto.
9503 * postreload.c: Ditto.
9504 * tree-ssa-loop-ch.c: Ditto.
9508 * diagnostic.c: Ditto.
9510 * genoutput.c: Ditto.
9512 * cfghooks.c: Ditto.
9513 * cfgloopanal.c: Ditto.
9514 * objc/objc-act.c: Ditto.
9516 * genextract.c: Ditto.
9517 * genautomata.c: Ditto.
9518 * pretty-print.c: Ditto.
9520 * cgraphunit.c: Ditto.
9523 * haifa-sched.c: Ditto.
9524 * dominance.c: Ditto.
9526 * tree-ssa-loop-ivopts.c: Ditto.
9528 * mode-switching.c: Ditto.
9529 * modulo-sched.c: Ditto.
9531 * ipa-pure-const.c: Ditto.
9533 * fix-header.c: Ditto.
9535 * tree-stdarg.c: Ditto.
9536 * ipa-utils.c: Ditto.
9537 * loop-init.c: Ditto.
9538 * ipa-inline.c: Ditto.
9541 * alloc-pool.c: Ditto.
9542 * dwarf2out.c: Ditto.
9544 * genattrtab.c: Ditto.
9545 * tree-ssa-loop-ivcanon.c: Ditto.
9549 * fortran/gfortranspec.c: Ditto.
9551 * local-alloc.c: Ditto.
9552 * langhooks.c: Ditto.
9553 * function.c: Ditto.
9554 * tree-vectorizer.c: Ditto.
9556 * ipa-type-escape.c: Ditto.
9558 * tree-if-conv.c: Ditto.
9561 * tree-data-ref.c: Ditto.
9562 * loop-unroll.c: Ditto.
9563 * treelang/treetree.c: Ditto.
9566 * ggc-common.c: Ditto.
9568 * coverage.c: Ditto.
9570 * tree-cfgcleanup.c: Ditto.
9571 * tree-ssa-pre.c: Ditto.
9572 * cfgcleanup.c: Ditto.
9573 * loop-invariant.c: Ditto.
9575 * ipa-prop.c: Ditto.
9576 * print-tree.c: Ditto.
9577 * conflict.c: Ditto.
9578 * ggc-page.c: Ditto.
9579 * sched-deps.c: Ditto.
9580 * regclass.c: Ditto.
9581 * tree-object-size.c: Ditto.
9583 * bb-reorder.c: Ditto.
9584 * resource.c: Ditto.
9585 * var-tracking.c: Ditto.
9587 * df-problems.c: Ditto.
9588 * reg-stack.c: Ditto.
9591 * sched-rgn.c: Ditto.
9592 * tree-ssa-structalias.c: Ditto.
9593 * tree-ssa-reassoc.c: Ditto.
9594 * config/darwin-c.c: Ditto.
9595 * config/darwin.c: Ditto.
9596 * config/arm/arm.c: Ditto.
9598 * collect2.c: Ditto.
9601 2006-01-31 Nicolas Pitre <nico@cam.org>
9603 * arm.md (smaxsi3): Make aware of smax_m1.
9606 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9608 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9610 2006-01-31 Richard Guenther <rguenther@suse.de>
9612 * doc/invoke.texi (-msselibm): Document.
9613 * target.h (expand_library_builtin): New target hook.
9614 * builtins.c (expand_builtin): Use expand_library_builtin.
9615 (default_expand_library_builtin): New function.
9616 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9617 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9618 (link_gcc_math_spec): Declare.
9619 (static_specs): Add link_gcc_math_spec.
9620 * expr.h (default_expand_library_builtin): Declare.
9621 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9622 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9623 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9624 * config/i386/i386.opt (msselibm): New target option.
9625 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9626 (ix86_init_sse_abi_builtins): New function.
9627 (ix86_expand_library_builtin): Likewise.
9628 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9629 (override_options): Handle error conditions wrt -msselibm.
9630 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9631 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9632 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9635 2006-01-31 Richard Guenther <rguenther@suse.de>
9636 Paolo Bonzini <bonzini@gnu.org>
9638 * doc/install.texi (--disable-libgcc-math): Document.
9640 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9642 * expr.h (expand_normal): new inline function.
9643 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9645 * dwarf2out.c: use it.
9650 * config/sparc/sparc.c: use it.
9651 * config/i386/i386.c: use it.
9652 * config/rs6000/rs6000.c: use it.
9653 * config/arm/arm.c: use it.
9654 * config/mips/mips.c: use it.
9655 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9657 2006-01-30 Roger Sayle <roger@eyesopen.com>
9659 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9660 argv to the appropriate type.
9662 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9664 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9667 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9670 * config/s390/s390.c (struct machine_function): New flag
9671 decomposed_literal_pool_addresses_ok_p.
9672 (s390_reorg): Set it before final stage of literal pool transforms.
9673 (s390_decompose_address): Only accept displacements of the form
9674 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9676 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9678 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9679 the comparison routine return.
9681 2006-01-30 Michael Matz <matz@suse.de>
9683 * global.c (find_reg): Only evict for global regs.
9684 Take n_refs into account and dump more info.
9686 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9689 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9690 (pragma_trap, pragma_nosave_low_regs): Likewise.
9691 (current_function_anonymous_args): Likewise.
9692 (sh_deferred_function_attributes): New variable.
9693 (sh_deferred_function_attributes_tail): Likewise.
9694 (print_operand): For '@', look up trap_exit attribute.
9695 (calc_live_regs): Look up trapa_handler attribute. For trapa
9696 handlers, save/restore fpscr, but don't do any other
9697 interrupt-specific saves.
9698 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9699 Fix check for partially saved registers to check for SHmedia.
9700 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9701 (sh_output_function_epilogue): Don't clear any of the removed
9703 (sh_insert_attributes): Don't check pragma_interrupt.
9704 Insert deferred attributes. Check that interrupt attribute is
9705 present for other attributes that require its presence.
9706 (sh_attribute_table): Add new attributes trapa_handler and
9708 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9709 Don't check for pragma_interrupt. Don't store argument.
9710 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9711 (sh_deferred_function_attributes): Declare.
9712 (sh_deferred_function_attributes_tail): Likewise.
9713 * sh.md (sp_switch_1): Add operand. Change generator caller.
9714 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9715 (*return_i): Don't use when trap_exit attribute is in effect.
9716 (*return_trapa): New insn pattern.
9718 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9719 setting c_target_objs and cxx_target_objs.
9720 * t-sh: Add rule for sh-c.o.
9722 2006-01-30 Richard Guenther <rguenther@suse.de>
9725 * gimplify.c (gimplify_target_expr): Handle easy cases
9726 without creating a temporary.
9728 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9730 * vec.h (safe_grow): Remove duplicated line.
9732 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9735 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9736 (expand_omp): ... here.
9737 (expand_omp_parallel): Only remove barriers for combined
9738 parallel+workshare constructs.
9740 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9744 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9745 * tree.c (build_qualified_type): Chain the new type to the original
9746 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9747 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9748 (build_pointer_type_for_mode): Only return unqualified types.
9749 (build_reference_type_for_mode): Likewise.
9751 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9753 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9754 * Makefile.in (CXX_COMPAT_WARN): Define.
9755 * configure: Regenerate.
9757 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9760 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9763 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9765 * toplev.c: Fix thinko.
9767 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9768 Marcin Dalecki <martin@dalecki.de>
9770 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9771 (push_srcloc): Use XNEW.
9772 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9774 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9776 * df-core.c (df_set_blocks): Deleted all variable.
9778 2006-01-28 Ian Lance Taylor <ian@airs.com>
9780 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9781 cgraph_output_pending_asms.
9783 2006-01-28 Zack Weinberg <zackw@panix.com>
9785 * c.opt: Add -W(no-)overlength-strings.
9786 * doc/invoke.texi: Document it.
9787 * c-opts.c (c_common_handle_option): -pedantic implies
9788 -Woverlength-strings, if not explicitly disabled already.
9789 (c_common_post_options): -Woverlength-strings defaults to off, and
9790 is always off for C++.
9791 * c-common.c (fix_string_type): Issue warning about strings longer
9792 than is portable only if warn_overlength_strings. Rearrange code
9793 a little for clarity.
9794 * configure.in: Check for -Wno-overlength-strings as well before
9795 enabling -pedantic in stage 1.
9796 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9797 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9799 * genconditions.c (write_header, write_one_condition)
9800 (write_conditions, write_writer): Consolidate very long strings
9801 that were broken up to fit in C89 portable limit. Don't use
9802 printf when fputs will do.
9804 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9806 * combine.c (simplify_comparison <AND>): Check
9807 TRULY_NOOP_TRUNCATION before start using a subreg.
9809 * config/mips/mips.md (*branch_zero<mode>,
9810 *branch_zero<mode>_inverted, *branch_equality<mode>,
9811 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9812 Remove mode check from comparisons.
9814 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9816 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9818 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9820 * expmed.c (const_mult_add_overflow_p): Remove.
9821 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9823 * recog.c (validate_replace_rtx_subexp): Remove.
9824 * recog.h: Remove the prototype for
9825 validate_replace_rtx_subexp.
9827 * integrate.h: Remove the prototype for
9828 copy_decl_for_inlining.
9829 * rtl.h: Remove the prototype for mark_constant_function.
9830 * tree-vectorizer.h: Remove the prototype for
9831 vect_strip_conversion.
9833 * modulo-sched.c (create_partial_schedule,
9834 free_partial_schedule, reset_partial_schedule): Make them
9837 * hooks.c (hook_bool_rtx_int_false): Remove.
9838 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9840 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9842 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9843 and -mlong-double-128 are incompatible.
9844 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9845 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9846 (TARGET_LIBGCC2_CFLAGS): Define.
9847 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9848 (TARGET_LIBGCC2_CFLAGS): Same.
9849 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9851 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9854 * c-typeck.c (build_binary_op): Perform implicit casts of
9855 operands before shortening them.
9857 * cfgloopmanip.c (split_loop_bb): Remove.
9858 * cfgloop.h: Remove the prototype for split_loop_bb.
9860 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9861 * cfgloop.h: Remove the prototype for
9862 flow_loop_outside_edge_p.
9864 * emit-rtl.c (init_virtual_regs): Make it static.
9865 * function.h: Remove the prototype for init_virtual_regs.
9867 * recog.c (peephole2_optimize): Make it static.
9868 * recog.h: Remove the prototype for peephole2_optimize.
9870 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9872 * df-scan.c (df_record_entry_block_defs): Check if
9873 INCOMING_RETURN_ADDR_RTX is defined.
9875 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9876 Kenneth Zadeck <zadeck@naturalbridge.com>
9878 PR rtl-optimization/24762
9879 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9880 * targhooks.c (hook_void_bitmap): New hook prototype.
9881 * targhoohs.h (hook_void_bitmap): Ditto.
9882 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9883 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9884 * target.h (live_on_entry): New function pointer.
9885 * df-scan.c (df_all_hard_regs): Removed.
9886 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9887 (df_scan_free_internal): Added df->entry_block_defs.
9888 (df_scan_alloc): Ditto.
9889 (df_scan_dump): Ditto.
9890 (df_uses_record): Plumbed flag field properly thru calls.
9891 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9892 This part fixes PR24762.
9893 (df_bb_refs_record): Added code to make the frame and arg
9894 pointers live in EH blocks.
9895 (df_refs_record): Added call to df_record_entry_block_defs.
9896 (df_record_entry_block_defs): New function.
9897 * df-core.c: Added comments to describe new artifical defs.
9898 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9899 (entry_block_defs): New field in struct df.
9900 (df_all_hard_regs): Deleted.
9901 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9902 * df-problems.c (df_ru_bb_local_compute_process_def):
9903 Added code to handle artifical defs in the entry to a function.
9904 (df_ru_bb_local_compute): Ditto.
9905 (df_rd_bb_local_compute_process_def): Ditto.
9906 (df_rd_bb_local_compute): Ditto.
9907 (df_lr_bb_local_compute): Ditto.
9908 (df_ur_bb_local_compute): Ditto.
9909 (df_urec_bb_local_compute): Ditto.
9910 (df_chain_create_bb): Ditto.
9911 (df_ur_local_finalize): Removed entry.
9912 (df_urec_init): Ditto.
9913 (df_urec_local_finalize): Ditto.
9914 (df_ri_bb_compute): Added detection of last use of pseudos.
9915 * Makefile.in (df-scan.o): Updated dependencies.
9916 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9917 * config/mips/mips.c (mips_set_live_on_entry): Added.
9918 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9920 * dce.c (marked_insn_p): Added code to handle artifical defs.
9922 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9924 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9926 (_mm_cvtsi128_si64): Likewise.
9927 (_mm_cvtsd_si64): Likewise.
9928 (_mm_cvttsd_si64): Likewise.
9929 (_mm_cvtsi64_sd): Likewise.
9930 (_mm_cvtsi64_si128): Likewise.
9931 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9932 (_mm_cvtsi64_m64): Likewise.
9933 (_m_to_int64): Likewise.
9934 (_mm_cvtm64_si64): Likewise.
9935 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9936 (_mm_cvttss_si64): Likewise.
9937 (_mm_cvtsi64_ss): Likewise.
9938 (_mm_cvtss_f32): Likewise.
9940 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9942 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9943 for pragma redefine_extname.
9945 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9948 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9949 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9950 -mno-minimal-toc to previous content.
9951 (bispecs): Remove goal.
9952 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9953 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9954 compatibility aliases on powerpc-*-*gnu*.
9955 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9956 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9957 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9958 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9959 (ldblspecs): New goal.
9960 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9961 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9963 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9964 L_sf_to_tf or L_df_to_tf is defined.
9966 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9967 Alan Modra <amodra@bigpond.net.au>
9970 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9971 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9972 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9973 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9974 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9975 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9976 (rs6000_override_options): Initialize rs6000_ieeequad.
9977 Initialize TFmode format to ibm_extended_format if not
9979 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9981 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9982 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9983 (function_arg_advance): IBM long double passed in two FPRs, not
9985 (function_arg): IBM long double passed in FPRs.
9986 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9987 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9988 Only multireg GPR aligned.
9989 (rs6000_init_libfuncs): Enable IBM long double functions if not
9991 (rs6000_generate_compare): Use IBM long double compare if not
9993 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9994 (TARGET_IEEEQUAD): Define.
9995 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9996 not TARGET_IEEEQUAD.
9997 * config/rs6000/rs6000.md: Enable TFmode patterns if
9999 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10000 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10001 and -mlong-double-128 are incompatible.
10002 * doc/invoke.texi (-mabi): Collect options together. Add
10003 ibmlongdouble and ieeelongdouble.
10005 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10007 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10009 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10010 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10011 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10012 * rtl.h (rtunion_def): Remove rt_ptr.
10014 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10015 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10016 * config/i386/winnt.c (i386_pe_mark_dllexport)
10017 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10019 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10021 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10023 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10027 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10028 pthread_key_delete. From John David Anglin. gthrw-ify
10029 pthread_getunique_np only if it it's not a macro. Delete
10031 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10032 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10033 __gthread_objc_condition_signal, __gthread_key_delete): Add
10034 "__attribute__ ((__unused__))" to unused arguments.
10035 (__gthread_recursive_mutex_init_function): Add missing return.
10036 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10037 gthr-posix95.h: Use macro-based approach for name redirection
10038 on targets missing weakref.
10040 2006-01-26 Zack Weinberg <zackw@panix.com>
10042 * genconditions.c (write_header): In generated code, #ifdef out
10043 all includes and fake declarations, except includes of bconfig.h
10044 and system.h, unless GCC_VERSION >= 3001. Do not include
10045 gensupport.h in any case.
10046 (write_conditions): Generate a definition of struct c_test. Add
10047 a comment to the generated #endif.
10048 (write_one_condition): Escape backslashes in string too.
10049 (write_writer): Generated code must escape backslashes and quote
10050 marks (but not newlines) in the strings it writes.
10051 * Makefile.in (build/gencondmd.o): Update dependencies.
10053 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10056 * Makefile.in (insn-automata.o): Add header file dependencies.
10057 * genautomata.c: Add includes.
10059 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10062 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10064 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10066 * configure.ac: Expect target tools paths to be passed from the toplevel
10067 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10069 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10071 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10074 * c.opt (Wpointer-sign): Init to -1.
10075 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10076 OPT_pedantic, to 0 otherwise.
10077 * doc/invoke.texi: Update.
10079 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10081 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10082 constants provided by 80387 instructions in the destination mode.
10084 2006-01-26 Richard Guenther <rguenther@suse.de>
10085 Andrew Pinski <pinskia@physics.uc.edu>
10088 partial PR tree-opt/17064
10089 * tree-ssa-structalias.c (intra_create_variable_infos):
10090 Create heap variables for incoming parameters if
10091 flag_argument_noalias > 1.
10092 (find_what_p_points_to): Look through default defs of
10095 2006-01-26 Jeff Law <law@redhat.com>
10098 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10099 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10100 within the VR_RANGE, use the VR_RANGE as the result, not the
10102 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10103 bounds for the type.
10105 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10107 * tree-ssa-alias.c (maybe_create_global_var): Change
10108 subvar walking to an assertion that we don't have subvar'd variables.
10110 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10113 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10114 Use a new variable, inner. PARM_DECLs are always non-weak.
10116 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10118 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10119 --disable-checking.
10121 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10123 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10125 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10127 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10128 (smax_insn, smin_insn, smax_0, smin_0): New.
10130 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10133 * config/cris/cris.c (cris_order_for_addsi3): New function.
10134 * config/cris/cris-protos.h: Prototype it.
10135 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10136 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10137 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10138 (split for "op.S1 [rx=rx+i],ry (swapped)")
10139 (split for "op(s|u).S1 [rx=rx+i],ry")
10140 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10141 Apply cris_order_for_addsi3 when generating addsi3 insns.
10143 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10145 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10146 (TREE_BLOCK): Add call to EXPR_CHECK.
10148 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10151 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10152 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10153 (dump_omp_clauses): ... here.
10154 (dump_generic_node): Handle OMP_CLAUSE.
10155 * tree.c (omp_clause_num_ops): New.
10156 (omp_clause_code_name): New.
10157 (tree_code_size): Handle OMP_CLAUSE.
10158 (tree_size): Likewise.
10159 (make_node): Document handling of OMP_CLAUSE.
10160 (tree_node_structure): Handle OMP_CLAUSE.
10161 (omp_clause_check_failed): New.
10162 (omp_clause_range_check_failed): New.
10163 (omp_clause_operand_check_failed): New.
10164 (build_omp_clause): New.
10165 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10166 * tree.h (enum omp_clause_code): Declare.
10167 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10168 (OMP_CLAUSE_RANGE_CHECK): Define.
10169 (OMP_CLAUSE_ELT_CHECK): Define.
10170 (omp_clause_check_failed): Declare.
10171 (omp_clause_operand_check_failed): Declare.
10172 (omp_clause_range_check_failed): Declare.
10173 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10174 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10175 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10176 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10177 (OMP_CLAUSE_IF_EXPR): Likewise.
10178 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10179 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10180 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10181 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10182 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10183 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10184 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10185 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10186 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10187 (OMP_CLAUSE_CODE): Define.
10188 (OMP_CLAUSE_SET_CODE): Define.
10189 (OMP_CLAUSE_CODE): Define.
10190 (OMP_CLAUSE_OPERAND): Define.
10191 (struct tree_omp_clause): Declare.
10192 (union tree_node): Add field 'omp_clause'.
10193 * treestruct.def (TS_OMP_CLAUSE): Define.
10194 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10195 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10196 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10197 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10198 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10199 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10200 (OMP_CLAUSE): Define.
10201 * print-tree.c (print_node): Handle OMP_CLAUSE.
10202 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10203 * c-typeck.c: Likewise.
10204 * gimplify.c: Likewise.
10205 * c-omp.c: Likewise.
10206 * tree-nested.c: Likewise.
10207 * tree-inline.c: Likewise.
10208 * c-parser.c: Likewise.
10209 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10212 2006-01-25 Roger Sayle <roger@eyesopen.com>
10214 PR rtl-optimization/25703
10215 * combine.c (try_combine): Handle zero_extract and strict_low_part
10216 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10218 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10220 * global.c: Fix comment typos.
10222 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10225 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10226 Use output_addr_const instead of assemble_name.
10228 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10230 * Makefile.in (sched-vis.o): Update dependencies.
10231 * haifa-sched.c (sched_finish): Clear current_sched_info.
10232 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10233 (dump_flow_info): Call it.
10234 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10236 * basic-block.h (dump_bb_info): Declare.
10237 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10238 option, and apply options only for dump files whose TDF_RTL,
10239 TDF_TREE, or TDF_IPA bits match.
10240 * rtl.h: Declare new functions exported from sched-vis.c.
10241 * sched-vis.c: Enable also if scheduling is not used.
10242 (print_value): Print the mode of registers if not inside scheduling.
10243 (print_insn): Make it work outside the scheduler. Beautify the output
10245 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10247 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10249 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10250 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10251 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10252 depending on the value of CONSTANT_POOL_ADDRESS_P.
10253 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10255 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10256 rather than SYMBOL_REF_DECL.
10257 (rtx_constant_pool): Remove const_rtx_sym_htab.
10258 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10259 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10260 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10261 Remove handling of const_rtx_sym_htab.
10262 (find_pool_constant): Delete.
10263 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10264 rather than find_pool_constant.
10265 (get_pool_constant_for_function): Delete.
10266 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10267 find_pool_constant.
10268 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10269 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10270 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10271 (SYMBOL_REF_CONSTANT): New macro.
10272 (get_pool_constant_for_function): Delete.
10273 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10274 rather than SYMBOL_REF_DECL.
10275 (i386_pe_mark_dllimport): Likewise.
10276 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10277 rather than SYMBOL_REF_DECL.
10278 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10279 (machopic_indirect_call_target): Likewise.
10281 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10283 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10285 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10287 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10289 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10291 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10293 2006-01-24 David Daney <ddaney@avtrex.com>
10296 * configure.ac (enable_tls): New enable option.
10297 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10298 * configure: Regenerate.
10299 * doc/install.texi (--enable-tls): Document new option.
10300 (--disable-tls): Ditto.
10302 2006-01-24 Richard Henderson <rth@redehat.com>
10304 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10305 * alias.c (true_dependence): Respect it.
10306 (canon_true_dependence, write_dependence_p): Likewise.
10307 * builtins.c (get_builtin_sync_mem): Set it.
10309 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10311 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10314 2006-01-24 DJ Delorie <dj@redhat.com>
10316 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10317 for storing constants in single-bit bitfields.
10319 2006-01-25 Ben Elliston <bje@au.ibm.com>
10321 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10323 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10326 * tree-ssa-pre.c (phi_translate): Return NULL
10327 for AGGREGATE_TYPE's.
10329 2006-01-24 Zack Weinberg <zackw@panix.com>
10331 * genautomata.c (process_state_for_insn_equiv_partition):
10332 Use xcalloc for insn_arcs_array.
10333 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10334 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10336 2006-01-24 Richard Henderson <rth@redhat.com>
10338 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10339 update all callers.
10341 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10343 PR rtl-optimization/25890
10344 PR rtl-optimization/25905
10345 * combine.c (expand_compound_operation, expand_field_assignment):
10346 Fail if the bitfield's final position is out of bounds.
10348 2006-01-24 Ian Lance Taylor <ian@airs.com>
10350 PR middle-end/25930
10351 * cgraphunit.c (cgraph_output_in_order): Don't clear
10352 cgraph_asm_nodes until after asm strings have been output.
10354 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10356 * fix-header.c (read_scan_file): Add new parameter imultilib when
10357 calling register_include_chains.
10359 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10361 * omp-low.c: Update documentation.
10363 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10364 Daniel Berlin <dberlin@dberlin.org>
10368 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10369 return from the function.
10371 2006-01-22 Zack Weinberg <zackw@panix.com>
10373 * rtl.def (match_code): Add second argument.
10374 * genpreds.c (write_extract_subexp): New function.
10375 (write_match_code): Add path argument. Use write_extract_subexp.
10376 (write_predicate_expr): Pass path to write_match_code.
10377 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10378 not perform a mode test.
10379 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10380 a subexpression does not constrain the top-level code set.
10381 * read-rtl.c (read_rtx_variadic): New function.
10382 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10383 * doc/md.texi: Document new notation.
10384 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10385 (cmpsi_operand): ... here, using new notation.
10387 2006-01-22 Zack Weinberg <zackw@panix.com>
10389 * varray.c: Remove GENERATOR_FILE #ifdefs.
10391 2006-01-22 Zack Weinberg <zackw@panix.com>
10393 * genautomata.c (output_reserved_units_table): Emit nothing if
10394 description->query_units_num is zero. Remove extra blank line.
10395 (output_cpu_unit_reservation_p): Short circuit
10396 if description->query_units_num is zero.
10398 2006-01-22 Zack Weinberg <zackw@panix.com>
10400 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10401 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10402 nor any of the random handful of variables that used to be necessary
10403 when this program was linked with rtlanal.o. Prune set of forward
10404 function declarations.
10405 (struct attr_desc): Remove static_p field.
10406 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10407 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10408 (attr_string): Do not read the character one past the length of
10410 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10411 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10412 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10413 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10414 (make_automaton_attrs): New.
10415 (main): Do not call into genautomata. Call local gen_bypass
10416 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10417 Remove special case for insn_alts.
10418 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10419 varray.h (leftover from previous change). Prune set of forward
10420 function declarations. Remove state_alts fields from all
10421 structures. Remove state_alts_table from struct automaton.
10422 Make everything except main static. Do not maintain num_dfa_decls.
10423 Do not maintain state_alts fields of various structures.
10424 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10425 (add_arc): Remove state_alts argument. All callers updated.
10426 (output_reserved_units_table): Emit #ifdef here...
10427 (output_tables): ...not here. Don't generate state_alts tables.
10428 (expand_automata): Don't generate attributes.
10429 (write_automata): Don't generate state_alts functions.
10430 (main): New function.
10431 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10432 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10433 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10434 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10435 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10436 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10437 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10438 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10440 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10441 * genattrtab.h: Delete file.
10442 * Makefile.in (OBJS-common): Add insn-automata.o.
10443 (insn-automata.o): New rule.
10444 (simple_generated_c): Add insn-automata.c.
10445 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10446 (genprogmd): Add automata.
10447 (build/genattrtab): Needs no extra objects nor libraries.
10448 (build/genautomata): Needs build/vec.o and -lm.
10450 2006-01-22 Zack Weinberg <zackw@panix.com>
10452 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10453 (output_dfa_max_issue_rate, locked_states_num): Delete.
10454 (struct automaton): Add locked_states field.
10455 (output_dead_lock_vect): Save number of locked states in
10456 automaton->locked_states. If it is zero, don't print anything.
10457 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10458 (output_internal_dead_lock_func): Only test the dead_lock_vect
10459 for automata that have locked states.
10460 (output_statistics): Always print the number of locked states for
10461 each automaton. Calculate total number of locked states here.
10462 (write_automata): Don't call output_dfa_max_issue_rate.
10463 * genattrtab.c: Define length_unit_log as a const variable.
10464 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10465 max_insn_queue_index const.
10466 * final.c (length_unit_log): Declare const.
10467 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10469 2006-01-22 Zack Weinberg <zackw@panix.com>
10471 * genautomata.c: Include vec.h, not varray.h.
10472 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10473 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10474 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10475 VEC_* macros operating on appropriately typed vectors, or to
10476 malloced arrays when the size is known in advance. Const-ify
10477 many char* variables and function arguments. No functional changes.
10478 * Makefile.in (build/varray.o): Delete rule.
10479 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10480 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10482 2006-01-22 Zack Weinberg <zackw@panix.com>
10484 * gensupport.c: Define get_insn_name and record_insn_name here.
10485 (read_md_rtx): Call record_insn_name as appropriate.
10486 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10487 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10488 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10490 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10491 (BUILD_VARRAY): Delete.
10492 (genprognormal): Rename genprogmd. Fold in all programs from
10493 genprognoprint; also attrtab.
10494 (build/genattrtab): Just mention genautomata.o and varray.o.
10495 Reorganize a bit, add comments to make the categories clearer.
10497 2006-01-22 Zack Weinberg <zackw@panix.com>
10499 * genconditions.c (condition_table, add_condition): Delete.
10500 (write_conditions): Don't emit n_insn_conditions nor
10501 insn_elision_unavailable. Issue the gcc version #ifdef here,
10502 inside the table, with no #else clause ...
10503 (write_header): ...not here.
10504 (write_writer): New function.
10505 (main): Don't initialize condition_table. Use add_c_test.
10507 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10508 files on the command line.
10509 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10510 Return -1 if there is no entry in the table, don't abort.
10511 (add_c_test, traverse_c_tests): New functions.
10512 * gensupport.h (insn_elision_unavailable, insn_conditions)
10513 (n_insn_conditions): Delete declarations.
10514 (add_c_test, traverse_c_tests): Declare.
10515 * read-rtl.c: Include gensupport.h.
10516 (read_conditions): New function.
10517 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10518 (read_rtx_1): If we get EOF when we were looking for an initial
10519 open paren, return 0. Call read_conditions when appropriate.
10520 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10521 dummy-conditions.o. Eliminate references to insn-conditions.o,
10522 or change them to build/gencondmd.o, as appropriate. Remove
10523 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10524 from $(simple_generated_c). For all files remaining in those
10525 two lists, add insn-conditions.md to the generator command line.
10526 Give insn-constants.h/s-constants their own rules. Add rules
10527 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10528 (build/read-rtl.o): Depend on gensupport.h.
10529 (genprognormal): Include preds.
10530 (genprogearly): Rename genprognoprint; only difference is now that
10531 they don't link with $(BUILD_PRINT).
10532 * dummy-conditions.c: Delete.
10534 2006-01-22 Zack Weinberg <zackw@panix.com>
10536 * genextract.c: Don't include insn-config.h. Do include vec.h.
10537 Declare vectors of int, char, and locstr.
10538 (locstr): New typedef.
10539 (struct extraction): Make all array fields into bare pointers.
10540 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10541 (insn_code_number): Delete.
10542 (accum_extract): New struct.
10543 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10544 (gen_insn): Take insn_code_number as an argument. Use an
10545 accum_extract structure instead of loading data directly into
10546 a struct extraction, and having to know how big it might get.
10547 (walk_rtx): Operate entirely on an accum_extract structure.
10548 (print_path): Avoid unnecessary use of printf.
10549 (print_header): New function, split out of main. Distinguish
10550 more carefully between an unrecognizable insn and an insn that
10551 has the code number of a define_expand.
10552 (main): Pass insn_code_number to gen_insn. Call print_header
10553 only after parsing. Avoid unnecessary use of printf.
10554 * Makefile.in (build/vec.o): New rule.
10555 (build/genextract): Depend on build/vec.o.
10556 (build/genextract.o): Don't depend on insn-config.h.
10558 2006-01-22 Zack Weinberg <zackw@panix.com>
10560 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10561 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10562 practical. Eliminate per-generator-program link rules.
10564 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10566 PR middle-end/24437
10567 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10568 with a call expr to ...
10569 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10571 2006-01-23 Richard Guenther <rguenther@suse.de>
10573 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10574 before make_edge with conditional EDGE_TRUE_VALUE.
10576 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10577 Jan Hubicka <jh@suse.cz>
10578 Richard Guenther <rguenther@suse.de>
10580 PR rtl-optimization/25654
10581 * cfgexpand.c (aggregate_contains_union_type): New function.
10582 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10583 for structure variables that contain a union type.
10585 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10587 * gengtype.c (new_structure): Return the structure.
10588 (create_option): Add an extra "next" argument.
10589 (create_field): New function.
10590 (adjust_field_rtx_def): Use create_option and create_field.
10591 Remove a now-unnecessary call to find_structure.
10592 (adjust_field_tree_def): Likewise.
10593 (note_yacc_type): Remove an unnecessary call to find_structure.
10594 * gengtype.h (new_structure): Return the structure.
10595 (create_option): Add an extra argument.
10596 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10597 (option): Adjust calls to create_option.
10599 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10601 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10603 2006-01-22 Paul Brook <paul@codesourcery.com>
10604 Peter Barada <peter@the-baradas.com>
10606 * config/m68k/m68k.md: Add Coldfire FPU support.
10607 Define FP mode macro and associated attributes.
10608 Use it for float mode patterns.
10609 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10610 (LIBCALL_VALUE): Use m68k_libcall_value.
10611 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10612 (m68k_function_value): Ditto.
10613 (emit_move_sequence): Ditto.
10614 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10615 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10616 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10617 (MULTILIB_EXCEPTIONS): Ditto.
10618 * config/m68k/m68k.opt: Add mcfv4e.
10619 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10620 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10621 (m68k_output_function_prologue): Save ColdFire FPU registers.
10622 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10623 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10624 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10625 ColdFire FPU registers.
10626 (m68k_libcall_value, m68k_function_value): New functions.
10627 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10628 (LIBCALL_VALUE): Use m68k_libcall_value.
10629 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10630 (MASK_COLDFIRE): Add MASK_CFV4E.
10631 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10632 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10633 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10634 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10635 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10636 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10637 * doc/invoke.tex: Document -mcfv4e on m68k.
10639 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10641 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10644 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10647 * c-opts.c (c_common_handle_option): Don't include
10648 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10649 * doc/invoke.texi (C++ Dialect Options): Document that
10650 -Wnon-virtual-dtor is no longer included in -Wall.
10652 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10654 * gcov.c (print_version), gcov-dump.c (print_version),
10655 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10658 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10660 * df-scan.c (problem_SCAN): Added NULL reset function.
10661 (df_scan_reset_blocks): Added code to call reset block function
10662 (df_bb_refs_delete) Fixed comment.
10663 (df_insn_refs_delete): Made tolerant of deleting non existent info
10664 for dataflow problems that need to be reset.
10665 * df-core.c (df_set_blocks): Ditto.
10666 * df.h (struct df_problem): Added reset_fun.
10667 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10668 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10669 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10670 functions to clear out all references to def-use or use-def chains.
10672 2006-01-21 Ben Elliston <bje@au.ibm.com>
10674 * varasm.c (assemble_real): Initialise data array.
10676 2006-01-20 Paul Brook <paul@codesourcery.com>
10678 Merge from csl-arm-branch.
10679 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10680 * config/arm/arm.md (movdi): Force operands[1] to a register
10681 if we have a non-register source.
10682 (*arm_movdi, *movdf_soft_insn): Require that one of the
10683 operands be a register.
10684 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10685 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10687 2006-01-20 DJ Delorie <dj@redhat.com>
10689 * varasm.c (initializer_constant_valid_p): Allow pointers
10690 initialized from integer constants of lesser precision.
10691 (output_constant): Allow non-int-sized pointer modes to be
10692 initialized from integer constants.
10694 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10697 * cppdefault.h (struct default_include): Add multilib flag.
10698 * cppdefault.c (cpp_include_defaults): Set it.
10699 * c.opt (-imultilib): New option.
10700 * c-opts.c (imultilib): New.
10701 (c_common_handle_option): Handle -imultilib.
10702 (c_common_post_options): Likewise.
10703 * c-incpath.c (add_standard_paths, register_include_chains):
10705 * c-incpath.h (register_include_chains): Add extra parameter.
10706 * gcc.c (do_spec_1): Generate -imultilib option.
10707 (The Specs Language): Update %I description.
10708 (process_command): Update copyright notice.
10709 * doc/cppopts.texi (-imultilib): Document.
10710 * doc/invoke.texi (-imultilib): Include in option summary.
10711 (%I): Update specs documentation.
10713 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10715 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10717 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10719 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10722 2006-01-20 Richard Guenther <rguenther@suse.de>
10723 Steven Bosscher <stevenb.gcc@gmail.com>
10725 PR rtl-optimization/24626
10726 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10727 EDGE_TRUE_VALUE if in RTL mode.
10730 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10731 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10733 2006-01-20 Dirk Mueller <dmueller@suse.com>
10736 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10737 instead of a special NOP marker.
10738 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10739 NOP marker handling.
10740 * c-common.h (empty_body_warning): Add forward declaration.
10741 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10742 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10744 2006-01-20 Paul Brook <paul@codesourcery.com>
10746 * Makefile.in (lang_checks): Keep going if mkdir fails.
10748 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10750 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10751 be able to clean out basic block when not necessary.
10752 (df_scan_free): Fixed to properly delete information if df is
10753 unused before calling df_finish.
10754 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10755 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10757 (df_bb_refs_delete): New function.
10758 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10759 * df-core.c (df_set_blocks): Added code to properly clean out
10760 unused blocks if they are not part of the blocks to consider.
10761 Added additional null check.
10762 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10763 be able to clean out basic block when not necessary
10764 * df.h (df_free_bb_function): Ditto.
10765 (df_bb_refs_delete): New function.
10766 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10767 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10768 basic block parameter to be able to clean out basic block when not
10770 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10771 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10772 Fixed to properly delete information if df is unused before
10775 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10777 PR rtl-optimization/25799
10778 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10779 Corrected confluence operator to remove bits from op2 before oring
10780 with op1 rather than removing bits from op1.
10781 (df_ru_transfer_function): Corrected test on wrong bitmap which
10782 caused infinite loop. Both of these problems were introduced in
10783 the dataflow rewrite.
10785 2006-01-19 DJ Delorie <dj@redhat.com>
10787 * reload1.c (find_reload_regs): Note the details of reload
10788 failures in the dump file.
10789 (spill_failure): Likewise.
10791 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10793 * loop-iv.c: Include df.h and hashtab.h.
10794 (enum iv_grd_result): New enum.
10795 (DF_REF_IV, DF_REF_IV_SET): New macros.
10796 (struct biv_entry): New.
10797 (df, bivs): New global variables.
10798 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10799 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10801 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10802 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10803 analyzed_for_bivness_p, record_biv): New functions.
10804 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10805 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10806 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10808 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10810 (iv_number_of_iterations): Use new interface to iv analysis.
10811 * loop-unroll.c: Do not include varray.h.
10812 (analyze_iv_to_split_insn): Use new interface to iv
10814 * loop-unswitch.c (may_unswitch_on): Ditto.
10815 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10817 (df_bb_modify): Realloc tables to the new index.
10818 (df_find_use): New function.
10819 * df.h (df_find_use): Declare.
10820 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10822 * cfgloop.h (struct rtx_iv): Remove analysed field.
10823 (iv_get_reaching_def): Removed.
10824 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10825 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10826 (loop-iv.o): Add df.h and hashtab.h dependency.
10827 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10829 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10832 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10834 (__floatundisf, __floatundidf): Likewise.
10835 * libgcc2.h (IS_IBM_EXTENDED): Define.
10837 2006-01-19 DJ Delorie <dj@redhat.com>
10839 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10841 2006-01-19 Paul Brook <paul@codesourcery.com>
10843 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10844 as nothrow when unwinding tables are disabled.
10846 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10849 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10850 of bit-field" when in system header.
10852 2006-01-19 DJ Delorie <dj@redhat.com>
10854 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10855 the 16 bit shift limit of the m16c.
10857 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10860 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10861 * config/i386/i386.c (output_set_got): Output the label if we have one
10862 for the TARGET_DEEP_BRANCH_PREDICTION case.
10864 2006-01-19 Jan Hubicka <jh@suse.cz>
10865 H.J. Lu <hongjiu.lu@intel.com>
10866 Evandro Menezes <evandro.menezes@amd.com>
10868 * invoke.texi (generic): Document
10870 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10871 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10872 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10873 (x86_use_incdec, x86_pad_returns): New variables
10874 (TARGET_CPU_DEFAULT_generic): New constant
10875 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10876 (enum processor_type): Add generic32 and generic64.
10877 * i386.md (cpu attribute): Add generic32/generic64
10878 (movhi splitter): Behave sanely when both partial_reg_dependency and
10879 partial_reg_stall are set.
10880 (K8 splitters): Enable for generic as well.
10881 * predicates.md (incdec_operand): Use TARGET_INCDEC
10882 (aligned_operand): Avoid memory mismatch stalls.
10883 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10884 * ppro.md: Enable for generic32
10885 * i386.c (generic64_cost, generic32_cost): New.
10886 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10887 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10888 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10889 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10890 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10891 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10892 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10893 x86_accumulate_outgoing_args, x86_prologue_using_move,
10894 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10895 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10896 Enable for generic.
10897 (x86_use_incdec, x86_pad_returns): New.
10898 (override_options): Add generic32 and generic64, translate "generic"
10899 to generic32/generic64 and "i686" to "generic32", refuse
10900 "generic32"/"generic64" as arch target.
10901 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10902 (ix86_reorg): Honor PAD_RETURNS.
10904 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10906 * tree-pretty-print.c (dump_generic_node): Handle
10907 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10908 * cgraph.c (cgraph_expand_queue): Rename from
10909 cgraph_analyze_queue. Update all users.
10910 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10911 cgraph_expand_queue.
10912 (cgraph_expand_all_functions): Likewise.
10913 (cgraph_finalize_pending_functions): Remove. Update callers.
10915 * tree.h (OMP_DIRECTIVE_P): Define.
10916 (OMP_PARALLEL_FN): Define.
10917 (OMP_PARALLEL_DATA_ARG): Define.
10918 (OMP_SECTIONS_SECTIONS): Define.
10919 * tree-pass.h (pass_expand_omp): Declare.
10920 * omp-low.c (struct omp_region): Declare.
10921 (struct omp_context): Remove fields 'parallel_type',
10922 'parallel_start_ix' and 'parallel_start_additional_args'.
10924 (struct omp_for_data): Rename from struct expand_omp_for_data.
10925 (omp_regions): New static variable.
10926 (root_omp_region): New static variable.
10927 (find_omp_clause): Make static.
10928 (is_in_combined_parallel_ctx): Remove.
10929 (is_combined_parallel): New.
10930 (extract_omp_for_data): Move earlier in the file.
10931 (workshare_safe_to_combine_p): New.
10932 (get_ws_args_for): New.
10933 (determine_parallel_type): Move earlier in the file.
10934 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10936 (omp_copy_decl): Likewise.
10937 (create_omp_child_function): Likewise.
10938 (lookup_omp_region): New.
10939 (dump_omp_region): New.
10940 (debug_omp_region): New.
10941 (debug_all_omp_regions): New.
10942 (new_omp_region): New.
10943 (scan_omp_parallel): If parallel_nesting_level > 1, the
10944 directive is nested within another parallel directive.
10945 Set OMP_PARALLEL_FN.
10946 (scan_omp_for): Do not try to handle combined parallel+for
10948 Remove FIXME comment.
10949 (scan_omp_nested): Remove.
10950 (scan_omp_1): Do not call scan_omp_nested when
10951 parallel_nesting_level is > 1.
10952 Do not change the DECL_CONTEXT of local variables found.
10953 (lookup_decl_in_outer_ctx): New.
10954 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10955 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10956 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10957 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10958 If CTX is nested, lookup VAR in the outer context when
10959 building copy assignment.
10960 (lower_send_clauses): Rename from expand_send_clauses.
10961 If CTX is nested, lookup VAR in the outer context when
10962 building copy assignments.
10963 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10964 If CTX is nested, lookup VAR in the outer context when
10965 building copy assignments.
10966 (expand_parallel_call): Rename from build_parallel_call.
10967 Handle combined parallel+workshare cases.
10968 Re-implement to emit code into the CFG.
10970 (expand_omp_parallel): Re-implement to emit code into the CFG.
10971 Call move_sese_region_to_fn to outline the sub-graph
10972 containing the parallel region.
10973 (expand_omp_for_1): Remove.
10974 (expand_omp_for_generic): Re-implement to emit code into the
10976 (expand_omp_for_static_nochunk): Likewise.
10977 (expand_omp_for_static_chunk): Likewise.
10978 (expand_omp_for): Likewise.
10979 (expand_omp_sections): Likewise.
10980 (remove_exit_barriers): New.
10981 (expand_omp_synch): New.
10983 (build_omp_regions_1): New.
10984 (build_omp_regions): New.
10985 (execute_expand_omp): New.
10986 (gate_expand_omp): New.
10987 (pass_expand_omp): Define.
10988 (lower_omp_sections): Rename from expand_omp_sections.
10989 Set OMP_SECTIONS_SECTIONS.
10990 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10991 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10992 (lower_omp_single): Rename from expand_omp_simple.
10993 (lower_omp_master): Rename from expand_omp_master.
10994 (lower_omp_ordered): Rename from expand_omp_ordered.
10995 (lower_omp_critical): Rename from expand_omp_critical.
10996 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10997 (lower_omp_for): Re-implement.
10998 (lower_omp_parallel): Re-implement.
10999 (lower_regimplify): Rename from expand_regimplify.
11000 (lower_omp_1): Rename from expand_omp_1.
11001 If there are syntax errors in the program, replace every
11002 OpenMP directive with NOP.
11003 Call lower_omp_* instead of expand_omp_*.
11004 (lower_omp): Rename from expand_omp.
11006 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11007 * tree-gimple.h (enum omp_parallel_type): Remove.
11008 (gimple_boolify): Declare extern.
11009 (find_omp_clause, determine_parallel_type): Remove.
11011 * gimple-low.c (lower_omp_directive): New.
11012 (lower_stmt): Call it.
11013 (record_vars_into): Move from ...
11014 (record_vars): ... here.
11015 Call record_vars_into with current_function_decl.
11017 * gimplify.c (struct gimplify_ctx): Remove fields
11018 combined_pre_p and combined_ctxp. Update users.
11019 (get_formal_tmp_var): Add documentation.
11020 (gimple_boolify): Make extern.
11021 (gimplify_expr_in_ctx): Remove. Update callers.
11022 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11023 will always be a BIND_EXPR.
11024 (gimplify_expr): Handle OMP_RETURN_EXPR.
11025 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11026 (OMP_PARALLEL): Add 3 operands.
11027 (OMP_SECTIONS): Add 1 operand.
11028 (OMP_RETURN_EXPR): Define.
11030 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11031 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11032 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11033 creating a circular free list.
11034 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11036 * tree-flow.h (move_sese_region_to_fn): Declare.
11037 (record_vars_into): Declare.
11038 * tree-cfg.c (make_omp_sections_edges): New.
11039 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11040 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11041 OMP_SECTIONS and OMP_SECTION.
11042 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11043 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11044 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11045 (gather_blocks_in_sese_region): New.
11046 (struct move_stmt_d): Declare.
11047 (move_stmt_r): New.
11048 (move_block_to_fn): New.
11049 (move_sese_region_to_fn): New.
11051 * passes.c (init_optimization_passes): Schedule
11052 pass_expand_omp after pass_init_datastructures.
11054 * tree-ssa-operands.c (get_expr_operands): Handle
11055 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11056 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11058 2006-01-19 Jeff Law <law@redhat.com>
11060 * tree-vrp.c (extract_range_from_assert): Refine the result range
11061 if the variable referenced by the ASSERT_EXPR has a range and
11062 either the tentative result range or the previous range is a
11065 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11067 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11069 2006-01-19 Jan Hubicka <jh@suse.cz>
11071 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11073 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11075 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11076 (expand_compound_operation, expand_field_assignment): Fail if the
11077 bit lengths of an extract operation are out of range.
11078 (make_extraction): Compute wanted_inner_mode based on the position
11079 and length of the extraction. Make it extraction_mode for non-constant
11080 positions, and do not modify offset in that case. When generating a
11081 new MEM, use a mode that can hold the extraction while keeping correct
11082 alignment. Remove code that supported MEMs wrapped by USEs.
11083 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11085 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11087 * config/s390/s390.md ("Y", "y"): New mode attribute.
11088 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11089 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11090 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11091 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11092 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11093 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11094 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11095 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11096 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11097 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11098 "addsi3", "subsi3"): Insn patterns removed.
11099 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11100 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11101 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11102 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11103 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11104 "*sub<mode>3_cconly2"): New insn patterns.
11105 ("addsi3", "subsi3"): New expanders.
11107 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11109 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11110 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11111 existing STMT_VINFO_VECTYPE if available.
11112 (vect_mark_relevant): Add special handling for stmts that are
11113 marked as STMT_VINFO_IN_PATTERN_P.
11114 (vect_analyze_loop): Call vect_pattern_recog.
11115 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11116 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11118 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11119 (vect_recog_func_ptr): New function-pointer type.
11120 * tree-vect-patterns.c: New file.
11121 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11122 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11123 (vect_pattern_recog_1): New functions.
11124 (vect_pattern_recog_funcs): New array of function pointers.
11126 * tree-vectorizer.h (ternary_op): New enum value.
11127 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11128 declaration. Revised documentation. Removed redundant dump prints.
11129 Removed redundant argument. Added support for reduction patterns.
11130 (vectorizable_reduction): Added support for reduction patterns.
11131 (vect_transform_stmt): Added support for patterns.
11133 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11134 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11135 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11136 (expand_widen_pattern_expr): New function.
11137 (init_optabs): Initialize new optabs udot_prod_optab,
11139 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11140 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11141 (expand_widen_pattern_expr): New function declaration.
11142 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11144 * tree-inline.c (estimate_num_insns_1): Added cases for new
11145 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11146 * tree-pretty-print.c (dump_generic_node): Likewise.
11147 (op_prio): Likewise.
11148 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11149 * tree-ssa-operands.c (get_expr_operands): Added case for
11151 * tree-vect-patterns.c (widened_name_p): New function.
11152 (vect_recog_dot_prod_pattern): Added function implementation.
11153 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11154 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11155 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11156 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11158 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11159 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11160 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11161 (init_optabs): Initialize new optabs widen_ssum_optab,
11163 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11164 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11165 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11166 use instead of type of def.
11167 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11168 function implementation.
11169 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11170 widen_ssumv8hi): New.
11172 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11175 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11178 * c-decl.c (add_flexible_array_elts_to_size): New function.
11179 (finish_decl): Use it.
11181 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11183 * diagnostic.h: Include options.h.
11184 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11185 dependancies for diagnostic.h.
11186 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11188 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11190 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11191 (ssa_ro_call_cache_valid): Ditto.
11192 * tree-ssa-alias.c (sort_tags_by_id): New function.
11193 (init_transitive_clobber_worklist): Ditto.
11194 (add_to_worklist): Ditto.
11195 (mark_aliases_call_clobbered): Ditto.
11196 (compute_tag_properties): Ditto.
11197 (set_initial_properties): Ditto.
11198 (compute_call_clobbered): Ditto.
11199 (compute_may_aliases): Call compute_call_clobbered and grouping.
11200 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11201 (compute_flow_insensitive_aliasing): Grouping now happens in our
11203 (setup_pointers_and_addressables): Remove clobbering related code.
11204 (add_may_alias): Ditto.
11205 (replace_may_alias): Ditto.
11206 (get_nmt_for): Ditto.
11207 (create_global_var):
11208 (is_escape_site): Return an escape_type enumeration.
11209 * tree-flow-inline.h (is_call_clobbered): Global var does not
11210 imply call clobbered.
11211 (mark_call_clobbered): Take a reason for marking this. Remove
11212 marking of globalness, and cache invalidation.
11213 (clear_call_clobbered): Remove cache invalidation code.
11214 * tree-dfa.c (dump_variable): If details is on, dump the reason
11216 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11218 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11219 (struct var_ann_d): Ditto.
11220 (enum escape_type): New.
11221 (mark_call_clobbered): Adjust prototype.
11222 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11223 are never call clobbered.
11224 Record reasons for escaping.
11225 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11226 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11227 (ssa_ro_call_cache_valid): Ditto.
11228 (clobbered_v_may_defs): Ditto.
11229 (clobbered_vuses): Ditto.
11230 (ro_call_vuses): Ditto.
11231 (clobber_stats): New.
11232 (init_ssa_operands): Zero out clobber stats.
11233 (fini_ssa_operands): Print out clobber stats.
11234 (get_call_expr_operands): Pass callee fndecl to
11235 add_call_read_ops).
11236 (add_call_clobber_ops): Remove use of cache.
11237 Add use of PURE_CONST information.
11238 (add_call_read_ops): Remove use of cache.
11239 Add use of static not_read information.
11241 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11243 Introduce TLS descriptors for i386 and x86_64.
11244 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11245 (TARGET_ANY_GNU_TLS): New macro.
11246 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11247 (struct machine_function): Add tls_descriptor_call_expanded_p.
11248 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11249 (ix86_current_function_calls_tls_descriptor): Likewise.
11250 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11251 (override_options): Introduce gnu2 tls dialect.
11252 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11254 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11256 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11257 (ix86_init_machine_status): Initialize new field.
11258 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11259 (ix86_tls_module_base): New.
11260 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11261 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11262 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11263 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11264 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11265 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11266 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11267 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11268 * config/i386/predicates.md (tls_modbase_operand): New.
11269 (tp_or_register_operand): New.
11271 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11273 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11274 (look_for_address_of): Ditto.
11275 (ipa_init): Walk the function decls.
11276 (static_execute): Don't set readonly on FUNCTION_DECL's.
11278 2006-01-18 Roger Sayle <roger@eyesopen.com>
11280 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11281 for shifts where the source and destination registers are different.
11283 2006-01-18 Paul Brook <paul@codesourcery.com>
11285 Merge from csl-arm-branch.
11286 2005-03-14 Julian Brown <julian@codesourcery.com>
11287 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11288 (aeabi_llsl): Likewise.
11289 (ashrdi3): Likewise.
11290 (aeabi_lasr): Likewise.
11291 (lshrdi3): Likewise.
11292 (aeabi_llsr): Likewise.
11293 2005-03-10 Julian Brown <julian@codesourcery.com>
11294 * config.gcc: Disable shared libgcc for SymbianOS.
11295 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11297 2006-01-18 DJ Delorie <dj@redhat.com>
11299 * c-pragma.c (handle_pragma_diagnostic): New.
11300 (init_pragma): Register it.
11301 * doc/extend.texi: Document it.
11303 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11304 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11305 (diagnostic_context): Add classify_diagnostic[].
11306 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11307 as errors if they're overridden to DK_WARNING.
11308 (diagnostic_initialize): Initialize classify_diagnostic[].
11309 (diagnostic_set_kind_override): New.
11310 (diagnostic_report_diagnostic): Check for kind changes.
11311 * opts.c (common_handle_option): Take lang_mask. Update callers.
11312 Handle OPT_Werror_.
11313 * common.opt (Werror=): New.
11314 * doc/invoke.texi: Document -Werror=*
11316 2006-01-18 Jeff Law <law@redhat.com>
11318 * tree-vrp.c (test_for_singularity): Correct test for new
11319 min limit. Use operand_equal_p rather than pointer equality
11320 for testing if new min/max values are equal.
11322 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11323 using range information until after propagation and folding.
11325 2006-01-18 Richard Henderson <rth@redhat.com>
11326 Aldy Hernandez <aldyh@redhat.com>
11327 Jakub Jelinek <jakub@redhat.com>
11328 Diego Novillo <dnovillo@redhat.com>
11330 * omp-low.c: New file.
11331 * c-omp.c: New file.
11333 2006-01-18 Richard Henderson <rth@redhat.com>
11334 Jakub Jelinek <jakub@redhat.com>
11335 Diego Novillo <dnovillo@redhat.com>
11337 * doc/invoke.texi: Document -fopenmp.
11338 * tree-dump.h (debug_function): Declare.
11339 * hooks.c (hook_bool_tree_bool_false): New function.
11340 (hook_tree_tree_null): Remove.
11341 (hook_tree_tree_tree_null): New.
11342 * hooks.h: Update to match.
11343 * tree-pretty-print.c (debug_tree_chain): New.
11344 (print_generic_expr): Handle TDF_CHAIN.
11345 (dump_generic_node): Handle BLOCK.
11346 Do not abort with incomplete SWITCH_EXPRs.
11347 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11348 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11349 print space after directive name.
11350 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11351 Handle OMP_MASTER and OMP_ORDERED.
11352 Handle printing of OMP_BODY just in one place, goto
11353 dump_omp_body in the rest of OMP_* nodes that have
11355 Don't handle clause nodes here. Update omp statements to
11356 use dump_omp_clauses.
11357 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11358 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11359 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11360 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11361 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11362 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11363 Adjust output for GOMP_PARALLEL.
11364 (dump_omp_clauses): New.
11365 (print_declaration): Dump DECL_VALUE_EXPR.
11366 (op_symbol_1): Split out of op_symbol.
11367 (dumping_stmts): Remove. Update all users.
11368 * cgraph.c (cgraph_analyze_queue): New.
11369 (cgraph_add_new_function): New.
11370 * cgraph.h (cgraph_analyze_queue): Declare.
11371 (cgraph_add_new_function): Declare.
11372 (cgraph_lower_function): Remove.
11373 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11374 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11375 and TYPE_P nodes in its default clause.
11376 (empty_body_p): New.
11377 (tree_range_check_failed): New.
11378 (build5_stat): New.
11379 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11380 OMP_CLAUSE_REDUCTION_MERGE,
11381 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11382 OMP_CLAUSE_PRIVATE_DEBUG,
11383 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11384 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11385 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11386 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11387 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11388 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11389 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11390 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11391 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11392 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11393 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11394 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11395 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11396 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11397 (TREE_RANGE_CHECK): New.
11398 (empty_body_p): Declare.
11399 (enum omp_clause_default_kind): New.
11400 (build_string_literal): Declare.
11401 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11402 (build5_stat, build5): Declare.
11403 * tree-pass.h (TDF_CHAIN): Define.
11404 * tree-pass.h (PROP_gimple_lomp): Define.
11405 (pass_lower_omp): Declare.
11406 * diagnostic.h (debug_tree_chain): Declare.
11407 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11409 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11410 * builtins.c (build_string_literal): Make extern.
11411 * gcc.c (include_spec_function): New.
11412 (static_spec_functions): Add it.
11413 (main): Move load of libgomp.spec ...
11414 (LINK_COMMAND_SPEC): ... here.
11415 (link_gomp_spec): New.
11416 (static_specs): Include it.
11417 (LINK_COMMAND_SPEC): Add link_gomp.
11418 (GOMP_SELF_SPECS): New.
11419 (driver_self_specs): Include it.
11420 (switch_matches): Don't mark inline.
11421 (main): Load libgomp.spec.
11422 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11423 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11424 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11425 * tree-gimple.h (enum omp_parallel): Declare.
11426 (determine_parallel_type): Declare.
11427 (omp_firstprivatize_variable): Declare.
11428 (omp_reduction_init): Declare.
11429 (diagnose_omp_structured_block_errors): Declare.
11430 (struct walk_stmt_info): Add want_return_expr.
11431 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11432 (find_omp_clause): Declare.
11433 (insert_field_into_struct): Declare.
11434 (struct walk_stmt_info): Move from tree-nested.c
11435 (walk_stmts): Declare.
11436 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11438 * cgraphunit.c (cgraph_lower_function): Make static.
11439 (cgraph_finalize_pending_functions): New.
11440 (cgraph_finalize_function): Call it.
11441 (cgraph_finalize_compilation_unit): Likewise.
11442 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11443 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11444 (BT_FN_UINT_UINT): New.
11445 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11446 DEF_FUNCTION_TYPE_VAR_4): Document.
11447 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11448 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11449 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11450 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11451 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11452 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11453 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11454 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11455 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11456 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11457 into separate files.
11458 (DEF_GOMP_BUILTIN): New.
11459 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11460 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11461 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11462 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11463 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11464 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11465 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11466 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11467 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11468 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11469 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11470 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11471 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11472 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11473 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11474 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11475 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11476 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11477 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11478 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11479 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11480 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11481 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11482 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11483 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11484 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11485 * sync-builtins.def: New file, moved from builtins.def.
11486 * omp-builtins.def: New file, moved from builtins.def.
11487 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11488 * gimple-low.c (lower_function_body): Clear data.
11489 (lower_stmt): Do not handle COMPOUND_EXPR.
11490 Remove call to print_node_brief.
11491 * c-tree.h (c_finish_omp_clauses): New prototype.
11492 (C_DECL_THREADPRIVATE_P): Define.
11493 (lookup_name_no_remap, c_omp_remap_private): Remove
11494 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11495 (check_for_loop_decls): Update decl.
11496 (lookup_name_no_remap, c_omp_remap_private): Declare.
11497 (build_indirect_ref, build_modify_expr, pushdecl,
11498 pushdecl_top_level): Move to c-common.h.
11499 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11500 before the switch, but just in the 2 places that need it.
11501 * c-decl.c (diagnose_mismatched_decls): Do not check for
11502 mismatched thread-local attributes when OLDDECL is marked
11503 threadprivate and NEWDECL has no thread-local attributes.
11504 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11505 (c_gimple_diagnostics_recursively): Rename from
11506 c_warn_unused_result_recursively. Invoke
11507 diagnose_omp_structured_block_errors.
11508 (check_for_loop_decls): Return a singular decl found.
11509 * langhooks.c (lhd_omp_predetermined_sharing): Return
11510 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11511 (lhd_omp_firstprivatize_type_sizes): New.
11512 (lhd_omp_assignment): New.
11513 (lhd_omp_predetermined_sharing): New.
11514 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11515 (struct lang_hooks_for_types): Add
11516 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11517 omp_predetermined_sharing, omp_disregard_value_expr,
11518 omp_private_debug_clause, omp_clause_default_ctor,
11519 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11520 (c_finish_omp_clauses): New.
11521 (c_finish_bc_stmt): Diagnose break within omp for.
11522 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11523 (build_unary_op): Return error_mark after reporting
11525 (build_modify_expr): Likewise.
11526 * gimplify.c: Include optabs.h and pointer-set.h.
11527 (enum gimplify_omp_var_data): Declare.
11528 (struct gimplify_omp_ctx): Declare.
11529 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11531 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11532 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11533 (splay_tree_compare_decl_uid): New.
11534 (new_omp_context): New.
11535 (delete_omp_context): New.
11536 (gimple_add_tmp_var): Call omp_add_variable.
11537 (gimplify_bind_expr): Likewise.
11538 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11539 true, disregard DECL_VALUE_EXPR on the decl if any.
11540 (gimplify_expr_in_ctx): New.
11541 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11542 omp_add_variable, omp_notice_variable, omp_is_private
11543 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11544 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11545 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11546 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11547 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11548 gimplify_omp_atomic): New.
11549 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11550 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11551 OMP_CRITICAL and OMP_ATOMIC.
11552 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11553 * c-pragma.h (enum pragma_kind): Add
11554 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11555 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11556 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11557 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11558 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11559 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11560 PRAGMA_OMP_THREADPRIVATE.
11561 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11562 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11563 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11564 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11565 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11566 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11567 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11568 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11569 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11570 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11571 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11572 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11573 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11575 (struct nesting_info): Add field_map,
11576 suppress_expansion, debug_var_chain.
11577 (create_nesting_tree): Initialize them.
11578 (lookup_field_for_decl): Use field_map.
11579 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11580 (convert_local_omp_clauses): New.
11581 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11582 (walk_body): Split out of walk_function.
11583 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11584 (convert_nonlocal_reference): Handle omp statements.
11585 (convert_local_reference): Likewise.
11586 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11587 (unnest_nesting_tree): New.
11588 (lower_nested_functions): Call it.
11589 (insert_field_into_struct): Make extern.
11590 (struct walk_stmt_info): Move to tree-gimple.h.
11591 (walk_stmts): Make extern.
11592 * omp-builtins.def: New file.
11593 * tree-iterator.c (expr_only): Clarify comment.
11594 * c-common.h (pushdecl_top_level, pushdecl,
11595 build_modify_expr, build_indirect_ref,
11596 c_finish_omp_master, c_finish_omp_critical,
11597 c_finish_omp_ordered, c_finish_omp_barrier,
11598 c_finish_omp_atomic, c_finish_omp_flush,
11599 c_finish_omp_for, c_split_parallel_clauses,
11600 omp_clause_default_kind, c_omp_sharing_predetermined,
11601 c_omp_remap_decl): Declare.
11602 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11603 (OBJS-common): Add omp-low.o.
11604 (c-omp.o, omp-low.o): Add.
11605 (gimplify.o): Add dependency on $(OPTABS_H).
11606 (GTFILES): Add omp-low.c.
11607 (gt-stringpool.h): Add.
11608 * tree-cfg.c (set_bb_for_stmt): Do not update the
11609 block-to-labels map if we are currently expanding to RTL.
11610 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11612 Handle IDENTIFIER_NODE.
11613 (tree_verify_flow_info): Do not ICE when emitting error
11614 messages about invalid labels.
11615 (dump_function_to_file): Reset CFUN before emitting the body
11617 (debug_function): New.
11618 * passes.c (init_optimization_passes): Schedule
11620 * langhooks-def.h (lhd_omp_predetermined_sharing,
11621 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11623 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11624 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11625 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11626 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11627 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11628 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11629 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11630 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11631 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11632 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11633 (LANG_HOOK_DECLS): Use them.
11635 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11636 Richard Henderson <rth@redhat.com>
11637 Jakub Jelinek <jakub@redhat.com>
11638 Diego Novillo <dnovillo@redhat.com>
11640 * c-parser.c (pragma_omp_clause): Define.
11641 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11642 (c_parser_compound_statement): Likewise.
11643 (c_parser_statement): Likewise.
11644 (c_parser_pragma): Handle omp pragmas.
11645 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11646 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11647 (c_parser_omp_clause_name, check_no_duplicate_clause,
11648 c_parser_omp_variable_list,
11649 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11650 c_parser_omp_clause_copyprivate,
11651 c_parser_omp_clause_default,
11652 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11653 c_parser_omp_clause_lastprivate,
11654 c_parser_omp_clause_nowait,
11655 c_parser_omp_clause_num_threads,
11656 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11657 c_parser_omp_clause_reduction,
11658 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11659 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11660 c_parser_omp_atomic, c_parser_omp_barrier,
11661 c_parser_omp_critical, c_parser_omp_flush,
11662 c_parser_omp_for_loop, c_parser_omp_for,
11663 c_parser_omp_master, c_parser_omp_ordered,
11664 c_parser_omp_sections_scope, c_parser_omp_sections,
11665 c_parser_omp_parallel, c_parser_omp_single,
11666 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11667 * c-pragma.c (init_pragma): Do omp pragma registration here.
11668 * c.opt (fopenmp): New flag.
11670 2006-01-18 Eric Christopher <echristo@apple.com>
11672 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11673 * config/darwin.h (GOMP_SELF_SPECS): Define.
11675 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11677 * rtl.h: Remove the prototype for reg_alloc.
11679 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11682 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11683 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11684 sjlj and dwarf2 exception handling.
11685 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11686 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11687 * pa/pa.c (function_value): Treat complex and vector types as
11689 (function_arg): Likewise. Only pass scalar floats in the floating
11690 point argument registers.
11691 * pa/t-slibgcc-dwarf-ver: New file.
11692 * pa/t-slibgcc-sjlj-ver: New file.
11693 * pa/t-slibgcc-elf-ver: Delete file.
11695 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11697 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11698 unlikely_test_section_p test.
11700 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11702 * mode-switching.c (optimize_mode_switching): Make it static.
11703 * basic-block.h: Remove the prototype for
11704 optimize_mode_switching.
11706 * modulo-sched.c (sms_schedule): Make it static.
11707 * rtl.h: Remove the prototype for sms_schedule.
11709 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11710 * rtl.h: Remove the prototype for gcse_after_reload_main.
11712 * reg-stack.c (reg_to_stack): Make it static.
11713 * rtl.h: Remove the prototype for reg_to_stack.
11715 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11717 * rtl.h: Remove the prototypes for regrename_optimize and
11718 copyprop_hardreg_forward.
11720 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11722 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11723 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11724 Test against the appropriate null constant for the mode.
11725 If 'fixup_overlap' is true, swap the operands if they overlap.
11726 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11727 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11728 alpha_split_tmode_pair and adjust for above change.
11729 * config/alpha/alpha.md (movtf_internal): Adjust call to
11730 alpha_split_tfmode_pair and rely on it to swap the operands.
11731 (movti_internal): New insn and post-reload splitter.
11732 (movti): New expander.
11734 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11736 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11739 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11741 * rtlanal.c (global_reg_mentioned_p_1,
11742 global_reg_mentioned_p): Remove.
11743 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11745 * flow.c (initialize_uninitialized_subregs): Make it static.
11746 * rtl.h: Remove the prototype for
11747 initialize_uninitialized_subregs.
11749 * function.c (instantiate_virtual_regs): Make it static.
11750 * function.h: Remove the prototype for
11751 instantiate_virtual_regs.
11753 * regmove.c (regmove_optimize, combine_stack_adjustments):
11755 * rtl.h: Remove the prototypes for regmove_optimize and
11756 combine_stack_adjustments.
11758 2006-01-17 Roger Sayle <roger@eyesopen.com>
11760 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11761 (size_cost): Encode costs in bytes so that a reg-reg addition is
11762 equivalent to COSTS_N_INSNS(1).
11763 (override_options): Use the size_cost.branch_cost as the default
11764 ix86_branch_cost when optimizing for size.
11766 2006-01-18 Ben Elliston <bje@au.ibm.com>
11768 * Makefile.in (D32PBIT_FUNCS): New.
11769 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11770 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11771 D64PBIT_FUNCS and D128PBIT_FUNCS.
11772 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11773 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11775 (decnumber_dep): Define.
11776 * doc/libgcc.texi (Decimal float library routines): New node.
11777 * config/dfp-bit.h, config/dfp-bit.c: New files.
11779 2006-01-18 Ben Elliston <bje@au.ibm.com>
11781 * expr.c (emit_move_change_mode): Always adjust addresses, not
11782 just during reload. Copy replacements only during reload.
11783 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11784 emit_move_via_integer.
11786 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11788 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11789 instead of $(srcdir) and ${srcdir}.
11791 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11794 PR middle-end/11135
11795 * arm.h (struct machine_function): Add pic_reg.
11796 * arm.c (arm_pic_register): Make unsigned.
11797 (arm_override_options): Only set arm_pic_register if
11798 TARGET_SINGLE_PIC_BASE.
11799 (use_return_insn): Only test for a pic register if it is fixed.
11800 (arm_compute_save_reg0_reg12_mask): Likewise.
11801 (thumb_compute_save_reg_mask): Likewise.
11802 (legitimate_pic_operand): Factor out some known invariants.
11803 (legitimize_pic_address): If we don't have a fixed pic register,
11804 then set up a pseudo in the function entry sequence. Handle the
11805 pic base being in a pseudo.
11806 (arm_load_pic_register): Handle the pic register being in a pseudo.
11807 (arm_expand_prologue): Only set up the pic register if it is fixed.
11808 (thumb_expand_prologue): Likewise.
11809 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11810 (pic_load_addr_based_insn): Likewise.
11811 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11814 2006-01-18 Ben Elliston <bje@au.ibm.com>
11816 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11817 decimal float modes for all floating point registers.
11819 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11820 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11822 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11825 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11826 even when the pointer is not NULL.
11828 2006-01-16 Ian Lance Taylor <ian@airs.com>
11830 * common.opt (ftoplevel-reorder): New option.
11831 * cgraph.c (cgraph_asm_nodes): New global variable.
11832 (cgraph_asm_last_node): New static variable.
11833 (cgraph_order): New global variable.
11834 (cgraph_create_node): Set new order field.
11835 (cgraph_varpool_node): Likewise.
11836 (decide_is_variable_needed): Return true if not
11837 flag_toplevel_reorder.
11838 (cgraph_add_asm_node): New function.
11839 * cgraph.h (struct cgraph_node): Add order field.
11840 (struct cgraph_varpool_node): Add order field.
11841 (struct cgraph_asm_node): Define.
11842 (cgraph_asm_nodes, cgraph_order): Declare.
11843 (cgraph_add_asm_node): Declare.
11844 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11846 (cgraph_varpool_assemble_pending_decls): Call it.
11847 (cgraph_output_pending_asms): New static function.
11848 (cgraph_finalize_compilation_unit): Call it.
11849 (struct cgraph_order_sort): Define.
11850 (cgraph_output_in_order): New static function.
11851 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11852 !flag_toplevel_reorder case.
11853 * c-parser.c: Include "cgraph.h".
11854 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11856 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11857 than -fno-unit-at-a-time.
11858 * doc/invoke.texi (Option Summary): Mention
11859 -fno-toplevel-reorder.
11860 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11861 -funit-at-a-time documentation.
11863 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11864 Kazu Hirata <kazu@codesourcery.com>
11866 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11868 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11870 * Makefile.in (FUNCTION_H): New. Use it instead of
11871 function.h throughout the file.
11872 * function.h: Include tree.h.
11874 2006-01-17 Ben Elliston <bje@au.ibm.com>
11876 * recog.c: Separate some functions with whitespace.
11878 2006-01-16 Richard Henderson <rth@redhat.com>
11880 Merge from gomp branch:
11881 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11882 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11883 and rename from struct inline_data. Rename callee* to dst*;
11884 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11885 transform_new_cfg, transform_return_to_modify, and
11886 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11888 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11889 (copy_decl_for_dup): Remove.
11890 * tree-inline.c (struct inline_data): Move to header.
11891 (insert_decl_map): Export.
11892 (remap_decl): Update for member name changes. Use copy_decl hook.
11893 Allow for replacement to be a non-decl. Remove dead code.
11894 (remap_type_1): Check for existing mapping.
11895 (remap_type): Export.
11896 (remap_decls): Update for member name changes.
11897 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11898 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11899 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11900 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11901 (tree_function_versioning, build_duplicate_type): Likewise.
11902 (copy_body_r): Likewise. Export.
11903 (copy_decl_for_dup): Split into ...
11904 (copy_decl_for_dup_finish, copy_decl_to_var,
11905 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11906 (replace_ref_tree, inlining_p): Remove.
11908 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11910 * ifcvt.c (if_convert): Make it static.
11911 * rtl.h: Remove the prototype for if_convert.
11913 * local-alloc.c (local_alloc): Make it static.
11914 * rtl.h: Remove the prototype for local_alloc.
11916 * loop.c (loop_optimize): Make it static.
11917 * cfgloop.h: Remove the prototype for loop_optimize.
11920 2006-01-16 DJ Delorie <dj@redhat.com>
11922 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11925 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11927 * pa.md: Disparage copies between general and floating-point registers
11928 in 32-bit move patterns.
11930 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11933 * Makefile.in (check-%): Depend on site.exp instead of
11934 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11937 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11939 * global.c (global_alloc): Make it static.
11940 * rtl.h: Remove the prototype for global_alloc.
11942 2006-01-16 Richard Guenther <rguenther@suse.de>
11944 * tree-ssa-alias.c (struct used_part): Add write_only field.
11945 (get_or_create_used_part_for): Initialize it to true.
11946 (create_overlap_variables_for): Don't create structure variables
11947 for structures that only are written to.
11948 (find_used_portions): Handle MODIFY_EXPR to track whether a
11949 structure is only written to.
11951 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11953 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11955 * basic-block.h: Remove the prototype for
11956 partition_hot_cold_basic_blocks.
11958 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11960 * cppspec.c (lang_specific_spec_functions): Remove.
11961 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11962 * gcc.h (lang_specific_spec_functions): Remove.
11963 * gccspec.c (lang_specific_spec_functions): Remove.
11965 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11967 * combine.c (record_value_for_reg): Invalidate registers
11969 (record_dead_and_set_regs_1): Likewise, by passing them to
11970 record_value_for_reg.
11971 (record_dead_and_set_regs): Invalidate stores made by a
11972 call. We do not combine across a call, but we still
11973 relied on equivalences.
11975 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11977 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11978 vrp_int_const_binop returning non-constant nodes.
11980 2006-01-16 Paul Brook <paul@codesourcery.com>
11982 * config/m68k/m68k.c (output_move_const_into_data_reg):
11983 Output correct mnemonic for mvz and mvs.
11985 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11987 * rtl-factoring.c: Add sequence abstraction algorithm.
11988 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11989 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11991 (block_has_preserve_label): New function.
11992 * common.opt: Register new pass.
11993 * Makefile.in: Ditto.
11995 * timevar.def: Ditto.
11996 * tree-pass.h: Ditto.
11997 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11998 * rtl.h (make_jump_insn_raw): Add forward decl.
11999 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12001 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12002 Roger Sayle <roger@eyesopen.com>
12004 * fold-const.c (fold_minmax): New static function.
12005 (fold_binary) <MIN_EXPR>: Call it.
12006 <MAX_EXPR>: Likewise.
12007 * stor-layout.c (place_field): Use DECL_SIZE consistently
12008 in the computation of the new record size.
12010 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12012 * cse.c (cse_condition_code_reg): Make it static.
12013 * rtl.h: Remove the prototype for cse_condition_code_reg.
12015 * combine.c (combine_instructions): Make it static.
12016 * rtl.h: Remove the prototype for combine_instructions.
12018 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12021 * tree.c (get_file_function_name_long): Concatenate the first global
12022 object name with a string derived from the input filename of the object
12025 2006-01-16 Ben Elliston <bje@au.ibm.com>
12027 * config/i386/winnt-stubs.c: Update FSF address.
12028 * config/xtensa/ieee754-df.S: Ditto.
12029 * config/xtensa/ieee754-sf.S: Ditto.
12031 2006-01-14 Ian Lance Taylor <ian@airs.com>
12033 * ifcvt.c (noce_init_if_info): New static function, broken out of
12034 noce_process_if_block.
12035 (noce_process_if_block): Call noce_init_if_info.
12036 (check_cond_move_block): New static function.
12037 (cond_move_process_if_block): New static function.
12038 (process_if_block): Call cond_move_process_if_block.
12040 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12042 * cselib.c (hash_table): Rename to cselib_hash_table.
12043 (cselib_clear_table, discard_useless_values,
12044 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12045 cselib_init, cselib_finish): Adjust uses of hash_table.
12047 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12049 PR tree-optimization/25485
12050 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12051 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12052 is known to be false and true, respectively.
12054 2006-01-14 Richard Guenther <rguenther@suse.de>
12056 PR tree-optimization/22548
12057 PR tree-optimization/22555
12058 PR tree-optimization/22501
12059 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12060 * params.def (salias-max-array-elements): New parameter.
12061 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12062 * doc/invoke.texi (salias-max-array-elements): Document.
12063 * tree-flow-inline.h (var_can_have_subvars): We also handle
12065 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12067 * tree-ssa-structalias.c (params.h): Include.
12068 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12069 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12070 (get_constraint_for): For ADDR_EXPR operating on something
12071 containing an ARRAY_REF, add all subvars to the solution.
12072 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12073 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12074 for creating MUST_DEFs.
12075 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12077 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12079 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12081 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12082 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12083 number_of_iterations_le): New functions.
12084 (number_of_iterations_special): Removed.
12085 (number_of_iterations_exit): Do not use number_of_iterations_special.
12086 * tree.c (unsigned_type_for): Always return integer type.
12088 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12089 Richard Guenther <rguenther@suse.de>
12091 PR rtl-optimization/24257
12092 * gcse.c (find_moveable_store): Only consider a store movable
12093 when the SET_SRC of the insn can be assigned to a register.
12095 2006-01-14 Ian Lance Taylor <ian@airs.com>
12097 * tree.c (tree_not_class_check_failed): New function.
12098 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12099 (tree_not_class_check_failed): Declare.
12101 2006-01-13 Ian Lance Taylor <ian@airs.com>
12103 * reload1.c (do_output_reload): Add assertion rejecting a
12106 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12108 * combine.c (struct reg_stat): Add new fields truncation_label and
12110 (record_value_for_reg): Reset truncated_to_mode.
12111 (record_truncated_value): New function.
12112 (check_promoted_subreg): Call it. Rename to check_conversions.
12113 (combine_instructions): Rename check_promoted_subreg to
12115 (reg_truncated_to_mode): New function.
12116 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12117 (gen_lowpart_or_truncate): New function.
12118 (force_to_mode): Use it instead of gen_lowpart.
12120 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12122 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12123 VAR is a tag, not its type tag.
12125 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12127 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12128 alternatives to match style of other entries.
12129 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12131 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12133 PR tree-optimization/25771
12134 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12137 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12140 * tree-inline.c (declare_return_variable): If the return variable
12141 was marked as a non gimple complex, set the return slot variable
12142 to be a non gimple comple variable.
12144 2006-01-13 Richard Guenther <rguenther@suse.de>
12146 * builtins.c (expand_builtin_sincos): New function.
12147 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12149 (expand_builtin): Expand sincos using expand_builtin_sincos.
12151 2006-01-12 DJ Delorie <dj@redhat.com>
12153 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12154 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12155 so that constant shifts can be split.
12156 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12157 (m32c_valid_pointer_mode): Make static.
12158 (shift_gen_func_for): New.
12159 (m32c_prepare_shift): Use it. Split large const shifts into
12161 * config/m32c/predicates.md (shiftcount_operand): Allow more
12163 (longshiftcount_operand): New.
12164 * doc/md.texi (Machine Constraints): Document In6.
12166 2006-01-13 Ben Elliston <bje@au.ibm.com>
12168 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12169 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12172 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12174 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12175 to try to avoid clobbering pieces of structures when we know
12176 something about the whole structure.
12177 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12179 2006-01-13 Ben Elliston <bje@au.ibm.com>
12181 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12182 return in memory, as this is no limitation is no longer present.
12184 2006-01-12 DJ Delorie <dj@redhat.com>
12186 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12187 mova with fb, and for fb+0 -> An.
12189 * config/m32c/mov.md (peephole2): Fix enabling logic.
12191 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12192 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12193 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12194 FINI_ARRAY_SECTION_ASM_OP): Define.
12196 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12198 (m32c_legitimize_reload_address): New logic to reload FB to An.
12199 (m32c_output_reg_push): Add newline.
12200 (m32c_output_reg_pop): Likewise.
12202 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12204 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12206 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12208 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12210 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12212 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12215 2006-01-11 Ben Elliston <bje@au.ibm.com>
12217 * rtlanal.c (find_reg_note): Assert insn is not null.
12219 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12221 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12224 2006-01-11 Jeff Law <law@redhat.com>
12226 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12228 (mark_threaded_blocks, register_jump_thread): New functions.
12229 (thread_through_all_blocks): Remove unwanted argument. No
12230 longer rely on e->aux to communicate thread target info.
12231 Call mark_threaded_blocks. Release the threaded_blocks
12232 bitmap and threaded_edges vector when complete.
12233 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12234 (threaded_blocks): Remove.
12235 (tree_ssa_dominator_optimize): Remove initialization and
12236 finalization of threaded_blocks. Simplify call to
12237 thread_through_all_blocks.
12238 (thread_across_edge): Call register_jump_thread rather than
12239 storing thread information into e->aux.
12240 (free_all_edge_infos): Simplify now that e->aux is no longer
12241 used to communicate with thread_through_all_blocks.
12242 * tree-flow.h (thread_through_all_blocks): Update prototype.
12243 (register_jump_thread): Prototype.
12245 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12247 * df-core.c (df_compact_blocks, df_bb_replace): Use
12248 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12250 2006-01-11 Richard Guenther <rguenther@suse.de>
12252 PR tree-optimization/25734
12253 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12254 stop propagation after successful propagation to the LHS.
12256 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12258 * basic-block.h (control_flow_graph): Change the type of
12259 x_basic_block_info to VEC(basic_block,gc) *.
12260 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12262 (SET_BASIC_BLOCK): New.
12263 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12264 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12265 * cfgbuild.c (find_basic_blocks): Likewise.
12266 * cfglayout.c (fixup_reorder_chain): Likewise.
12267 * cfgrtl.c (create_basic_block_structure,
12268 rtl_create_basic_block): Likewise.
12269 * ifcvt.c (find_if_case_1): Likewise.
12270 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12273 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12275 * Makefile.in: Removed rotted odf.c entry.
12277 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12280 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12281 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12282 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12283 output pattern modifier, not %e.
12284 * config/cris/cris.c (cris_op_str): Update comment about pattern
12286 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12287 before falling through into...
12288 <case 'E'>: Redefined from old 'e' case.
12290 2006-01-11 Jan Hubicka <jh@suse.cz>
12293 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12295 2006-01-11 Jan Hubicka <jh@suse.cz>
12297 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12298 * i386.c (x86_decompose_lea): Kill.
12299 (ix86_rtx_costs): Kill.
12301 2006-01-11 Jan Hubicka <jh@suse.cz>
12303 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12304 * cgraph.h (cgraph_node): Add inline_decl.
12305 (cgraph_insert_node_to_hashtable): Declare.
12306 (save_inline_function_body): Declare.
12307 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12309 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12310 (cgraph_function_versioning): Update call of tree_function_versioning.
12311 (save_inline_function_body): New function.
12312 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12313 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12314 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12315 (cgraph_default_inline_p): Likewise.
12316 (cgraph_decide_inlining_incrementally): Likewise.
12317 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12318 (copy_bb): Kill saving; do updating of clones.
12319 (copy_cfg_body): Kill saving.
12320 (initialize_inlined-parameters): Likewise.
12321 (expand_call_inline): Likewise.
12323 (tree_function_versioning): New parameter "update_clones".
12324 (inlining_p): Kill saving.
12325 * tree-inline.h (tree_function_versioning): Update prototype.
12326 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12329 2006-01-11 Ian Lance Taylor <ian@airs.com>
12331 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12332 Allow undoing set of machine mode.
12333 (do_SUBST): Use enums instead of is_int.
12334 (do_SUBST_MODE): New function.
12335 (SUBST_MODE): New macro.
12336 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12337 reg and trying to replace reg_regno_rtx with a new register.
12338 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12339 (simplify_set): Use SUBST_MODE.
12340 (distribute_notes): Remove code that tried to update reg notes
12341 for regno_reg_rtx changes.
12343 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12345 PR tree-optimization/23109
12346 PR tree-optimization/23948
12347 PR tree-optimization/24123
12349 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12350 * tree-cfg.c (single_noncomplex_succ): New.
12351 * tree-flow.h (single_noncomplex_succ): Declare it.
12352 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12353 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12354 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12355 insert_bb, register_division_in, insert_reciprocals,
12356 replace_reciprocal, free_bb): New.
12357 (execute_cse_reciprocals_1): Rewritten.
12358 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12359 Do not commit any edge insertion. Always compute dominators and
12360 create the allocation pool.
12361 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12362 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12363 * targhooks.c (default_min_divistions_for_recip_mul): New.
12364 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12365 * passes.c (init_optimization_passes): Run recip after tree loop
12367 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12369 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12370 Kenneth Zadeck <zadeck@naturalbridge.com>
12372 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12373 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12374 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12375 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12376 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12377 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12378 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12379 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12380 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12381 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12382 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12383 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12384 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12385 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12386 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12387 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12388 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12389 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12390 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12391 DF_SCAN_POST_ALLOC): New macros.
12392 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12393 df_free_bb_function, df_local_compute_function, df_init_function,
12394 df_dataflow_function, df_confluence_function_0,
12395 df_confluence_function_n, df_transfer_function,
12396 df_finalizer_function, df_free_function, df_dump_problem_function,
12397 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12398 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12399 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12400 df_urec_bb_info, ) New types.
12401 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12403 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12404 df_analyze_simple_change_some_blocks,
12405 df_analyze_simple_change_one_block, df_compact_blocks,
12406 df_bb_replace, df_bb_regno_last_use_find,
12407 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12408 df_insn_regno_def_p, df_find_def, df_find_use,
12409 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12410 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12411 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12412 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12413 debug_df_chain, df_get_dependent_problem, df_chain_create,
12414 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12415 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12416 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12417 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12418 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12419 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12420 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12421 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12422 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12423 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12424 df_reorganize_refs, df_set_state, df_hard_reg_init,
12425 df_read_modify_subreg_p) New public functions.
12426 * df-core.c: The core dataflow solver and glue routines for rtl
12428 (df_init, df_add_problem, df_set_blocks, df_finish,
12429 df_hybrid_search_forward, df_hybrid_search_backward,
12430 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12431 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12432 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12433 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12434 df_reg_defined, df_find_use, df_reg_used, df_dump,
12435 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12436 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12437 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12438 debug_df_useno, reset_df_after_reload): New functions.
12439 * df-scan.c: The scanning fuctions, once in df.c, completely
12440 rewritten so that they now fully model the functionality of
12441 register usage at the backend.
12442 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12443 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12444 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12445 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12446 df_get_artificial_defs, df_get_artificial_uses,
12447 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12448 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12449 df_refs_delete, df_reorganize_refs, df_set_state,
12450 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12451 df_def_record_1, df_defs_record, df_uses_record,
12452 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12453 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12454 df_record_exit_block_uses, df_hard_reg_init): New functions.
12456 * df-problems.c: Seven concrete dataflow problems that use the
12457 scanning in df-scan.c and are solved by the engine in df-core.c.
12458 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12459 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12460 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12461 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12462 df_ru_free_bb_info, df_ru_alloc,
12463 df_ru_bb_local_compute_process_def,
12464 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12465 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12466 df_ru_transfer_function, df_ru_free, df_ru_dump,
12467 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12468 df_rd_free_bb_info, df_rd_alloc,
12469 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12470 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12471 df_rd_transfer_function, df_rd_free, df_rd_dump,
12472 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12473 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12474 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12475 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12476 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12477 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12478 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12479 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12480 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12481 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12482 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12483 df_urec_mark_reg_use_for_earlyclobber,
12484 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12485 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12486 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12487 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12488 df_chain_create_bb_process_use, df_chain_create_bb,
12489 df_chain_finalize, df_chain_free, df_chains_dump,
12490 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12491 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12492 df_reg_lifetime): New functions.
12493 * df.c: Deleted file.
12494 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12495 consistent with new df api.
12496 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12497 rest_of_handle_sms): Ditto.
12498 * web.c (unionfind_union, union_defs, entry_register, web_main):
12500 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12501 invariant_expr_equal_p, find_defs, check_dependencies,
12502 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12503 free_inv_motion_data, move_loop_invariants): Ditto.
12504 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12505 Update dependencies.
12506 (odf.c): Added defective entry that was deleted later in day.
12507 * sched-deps.c (sched_analyze_1): Ditto.
12509 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12511 * tree-ssa-operands.c (get_expr_operands): Record addressable
12512 variables directly. Do not call add_stmt_operands for CONST_DECLs
12514 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12515 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12517 2006-01-11 Ben Elliston <bje@au.ibm.com>
12519 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12520 function returns true in the positive case.
12522 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12525 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12526 for SI, DI, SF and DF modes. Add alternatives to copy between
12527 general and floating point registers to the 32-bit patterns.
12528 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12529 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12530 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12531 generating 64-bit code.
12532 * config/pa/pa.c (output_move_double): Handle copies between general
12533 and floating registers.
12535 2006-01-10 Stuart Hastings <stuart@apple.com>
12537 * config/i386/i386.md (set_got): Update.
12538 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12539 (builtin_setjmp_receiver): Mach-O support.
12540 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12541 (GOT_SYMBOL_NAME): Define.
12542 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12543 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12544 * config/i386/i386.c (override_options): Revise for Darwin.
12545 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12546 support. (darwin_x86_file_end): New. (output_set_got): Add label
12547 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12548 * config/i386/i386-protos.h (output_set_got): Likewise.
12549 * config/darwin.c (machopic_legitimize_pic_address): Update
12552 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12554 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12555 when MODE isn't BLKmode.
12557 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12559 PR rtl-optimization/25367
12560 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12562 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12565 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12566 for a negative bound.
12568 2006-01-10 Richard Guenther <rguenther@suse.de>
12570 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12571 Never override with anything constraint.
12573 2006-01-10 Jan Beulich <jbeulich@novell.com>
12575 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12576 256 bits when optimize_size.
12578 2006-01-10 Jan Beulich <jbeulich@novell.com>
12580 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12582 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12583 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12586 2006-01-10 Ben Elliston <bje@au.ibm.com>
12588 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12590 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12591 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12592 (USE_FP_FOR_ARG): Reject decimal float modes.
12593 (function_arg_advance): Likewise.
12594 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12595 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12596 point types in AltiVec vectors.
12597 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12598 (rs6000_libcall_value): Likewise.
12600 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12602 * config/xtensa/ieee754-df.S: New file.
12603 * config/xtensa/ieee754-sf.S: New file.
12604 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12605 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12606 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12608 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12610 * config/sh/predicates.md (binary_float_operator,
12611 binary_logical_operator, commutative_float_operator,
12612 equality_comparison_operator, greater_comparison_operator,
12613 less_comparison_operator, logical_operator,
12614 noncommutative_float_operator, shift_operator,
12615 symbol_ref_operand, unary_float_operator): Remove redundant
12618 2006-01-09 Jeff Law <law@redhat.com>
12620 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12621 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12622 now unused arguments. Callers updated.
12623 (eliminate_redundant_computations): Remove now unused arguments,
12625 (local_fold): Remove, no longer used.
12626 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12628 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12629 (simplify_cond): New function.
12630 (forward_propagate_into_cond): Call simplify_cond.
12632 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12634 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12635 (*vec_extractv2di_1_sse): New.
12637 2006-01-09 Ben Elliston <bje@au.ibm.com>
12639 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12641 2006-01-08 Richard Guenther <rguenther@suse.de>
12643 * tree-ssa-structalias.c (get_constraint_for): Remove
12644 anyoffset argument.
12645 (get_constraint_for_component_ref): Likewise.
12646 (do_deref): Likewise.
12647 (get_constraint_for): Likewise.
12648 (do_structure_copy): Likewise.
12649 (handle_ptr_arith): Likewise.
12650 (find_func_aliases): Likewise. Remove unused need_anyoffset
12653 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12654 Kaz Kojima <kkojima@gcc.gnu.org>
12656 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12657 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12658 (EXTRA_CONSTRAINT_C16): Remove.
12659 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12660 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12661 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12662 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12663 constants of SHmedia. Handle nested constant expressions of
12665 (andcosts): Fix the costs for SHmedia constants.
12666 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12667 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12668 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12669 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12670 (movv4hi_i, movv2si_i): Likewise.
12671 (movsi_const): Adjust the second operand of ior so to match with
12672 the Csu constraint.
12673 (movdi_const, movdi_const_32bit): Likewise.
12674 (movdi_const_16bit+1): Don't sign-extend LOW.
12675 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12677 (*double_shori): Fix the split condition. Use GEN_INT instead
12678 of get_int_mode calls. Mask lower 16-bit of the argument of
12680 (sym2GOTPLT): Remove.
12681 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12683 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12684 instead of EXTRA_CONSTRAINT_C16.
12686 2006-01-07 Ian Lance Taylor <ian@airs.com>
12687 David Edelsohn <edelsohn@gnu.org>
12689 PR rtl-optimization/25662
12690 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12691 for constant operands instead of simplify_gen_binary.
12692 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12693 after trying simplify_binary_operation
12695 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12697 * tree.c (iterative_hash_expr): Hash decls based on UID.
12699 2006-01-06 Eric Christopher <echristo@apple.com>
12701 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12702 (TARGET_UNWIND_EMIT): Fix spelling.
12703 * target.h (gcc_target): Add except_table_label.
12704 * except.c (output_function_exception_table): Use.
12705 * varasm.c (default_emit_except_table_label): New.
12706 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12708 (asm_out): Add here.
12709 * output.h (default_emit_except_table_label): Prototype.
12710 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12711 * config/darwin.c (darwin_emit_except_table_label): Define.
12712 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12714 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12716 PR tree-optimization/18527
12717 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12718 number_of_iterations_special, number_of_iterations_exit):
12719 Move base and step of an iv to a single structure. Add
12720 no_overflow flag, and use it in # of iterations analysis.
12721 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12722 folded_casts argument.
12723 (simple_iv): Pass base and step in a structure. Set no_overflow
12725 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12726 Evaluate expensiveness of computing # of iterations instead of
12727 the final expression.
12728 * tree-scalar-evolution.h (affine_iv): New structure.
12729 (simple_iv): Declaration changed.
12730 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12731 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12732 find_givs_in_stmt): Changed due to simple_iv change.
12734 2006-01-06 Jeff Law <law@redhat.com>
12737 * tree-cfg.c (bsi_replace): Rename final argument from
12738 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12739 change (stmt -> orig_stmt).
12740 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12741 (bsi_remove): Add new argument. Remove EH information
12743 (verify_eh_throw_table_statements): New function.
12744 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12746 * tree-optimize.c (execute_free_cfg_annotations): Verify
12747 the EH throw statement table after removing annotations.
12748 * except.h (verify_eh_throw_table_statements): Prototype.
12749 * tree-flow.h (bsi_remove): Update prototype.
12750 * tree-vrp.c (remove_range_assertions): Add new argument to
12752 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12753 * tree-complex.c (expand_complex_div_wide): Likewise.
12754 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12755 * tree-tailcall.c (eliminate_tailcall): Likewise.
12756 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12757 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12758 * tree-nrv.c (tree_nrv): Likewise.
12759 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12760 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12761 (combine_blocks): Likewise.
12762 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12763 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12764 (cleanup_control_flow): Likewise.
12765 (remove_forwarder_block): Likewise.
12766 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12767 * tree-sra.c (sra_replace): Likewise.
12768 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12769 (forward_propagate_single_use_vars): Likewise.
12770 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12771 * tree-inline.c (expand_call_inline): Likewise.
12772 * tree-vect-transform.c (vect_transform_loop): Likewise.
12773 * tree-outof-ssa.c (rewrite_trees): Likewise.
12774 * tree-cfg.c (make_goto_expr_edges): Likewise.
12775 (cleanup_dead_labels): Likewise.
12776 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12777 (bsi_move_before, bsi_move_after): Likewise.
12778 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12779 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12781 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12784 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12786 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12787 on non gimple variables. Also add checks at the top for decls and
12789 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12791 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12792 and IMAGPART_EXPR for creating MUST_DEFs.
12793 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12794 and NAME_MEMORY_TAG separately from the DECLs.
12796 2006-01-06 Richard Guenther <rguenther@suse.de>
12798 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12799 annotation, if necessary.
12800 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12801 redundant calls to update_stmt.
12802 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12805 2006-01-05 Richard Henderson <rth@redhat.com>
12807 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12809 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12811 * c-typeck.c: Update copyright date.
12813 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12815 * c-typeck.c (build_c_cast): Always warn when casting
12816 from a pointer to an integer of different size, even if
12817 the node was constant.
12819 2006-01-05 Richard Guenther <rguenther@suse.de>
12821 PR tree-optimization/22555
12822 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12823 if one structure field is an array.
12824 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12825 operands even if we found a subvar, but ignore VOPs in this
12827 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12829 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12831 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12833 PR middle-end/24998
12834 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12836 2006-01-05 Richard Guenther <rguenther@suse.de>
12837 Diego Novillo <dnovillo@redhat.com>
12839 * tree-pass.h (TODO_remove_unused_locals): Define.
12840 * gimple-low.c (expand_var_p, remove_useless_vars,
12841 pass_remove_useless_vars): Remove. Update all users.
12842 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12843 (remove_unused_locals): New function.
12844 * tree-flow.h (remove_unused_locals): Declare.
12845 * passes.c (execute_todo): Call remove_unused_locals if
12846 TODO_remove_unused_locals is set.
12847 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12848 * tree-ssa-dce.c (pass_dce): Likewise.
12849 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12851 2006-01-05 Richard Guenther <rguenther@suse.de>
12853 * tree-flow.h (struct fieldoff): Decompose field to
12854 type, size and decl.
12855 * tree-ssa-alias.c (create_sft): Take type as parameter.
12856 (create_overlap_variables_for): Store type, size and decl
12857 in the fieldoff structure.
12858 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12859 of struct fieldoff.
12860 (push_fields_onto_fieldstack): Likewise.
12861 (create_variable_info_for): Likewise. Use offset for the
12862 SFT name if the decl is not available.
12864 2006-01-04 Paul Brook <paul@codesourcery.com>
12866 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12868 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12870 * lambda-code.c (can_put_in_inner_loop): Relax
12872 (can_put_after_inner_loop): New function.
12873 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12874 (perfect_nestify): Change to make copies and modify uses.
12876 2006-01-04 Richard Henderson <rth@redhat.com>
12878 Merge from gomp branch:
12879 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12880 via integer constant.
12881 (pragma_lex): Remove.
12882 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12883 rather than parsing it.
12884 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12885 handle_pragma_extern_prefix): Add %< %> quotes.
12886 (registered_pragmas): New.
12887 (c_register_pragma_1): New.
12888 (c_register_pragma): Use it.
12889 (c_register_pragma_with_expansion): Likewise.
12890 (c_invoke_pragma_handler): New.
12891 (init_pragma): Use cpp_register_deferred_pragma directly for
12893 * c-pragma.h (enum pragma_kind): New.
12894 (pragma_handler): New.
12895 (c_invoke_pragma_handler): Declare.
12896 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12898 * c-common.h (c_common_pch_pragma): Update decl.
12899 * Makefile.in (c-parser.o): Update dependencies.
12900 (GTFILES): Add c-pragma.h.
12901 * c-parser.c (struct c_token): Add pragma_kind.
12902 (struct c_parser): Add in_pragma.
12903 (c_lex_one_token): Always initialize keyword and pragma_kind.
12904 Extract data for CPP_PRAGMA.
12905 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12906 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12907 Don't allow CPP_PRAGMA_EOL if in_pragma.
12908 (c_parser_consume_pragma): New.
12909 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12910 (c_parser_skip_to_end_of_parameter): Likewise.
12911 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12912 (c_parser_skip_to_pragma_eol): New.
12913 (c_parser_external_declaration): Handle CPP_PRAGMA.
12914 (c_parser_compound_statement_nostart): Likewise.
12915 (c_parser_statement_after_labels): Likewise.
12916 (c_parser_pragma): New.
12917 (pragma_lex): Likewise.
12918 (c_parser_pragma_pch_preprocess): New.
12919 (c_parser_new): Merge into ...
12920 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12922 2006-01-04 Jeff Law <law@redhat.com>
12925 * tree-cfg.c (bsi_replace): Remove the original statement
12926 from the EH throw statement table.
12928 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12930 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12931 make the prototype extern "C" and add throw ().
12934 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12935 and pos non-negative and pos + len <= 32.
12936 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12937 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12938 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12941 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12942 as well as sizes not multiple of component size.
12945 * function.c (instantiate_expr): New function.
12946 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12947 walk its DECL_VALUE_EXPR with instantiate_expr.
12949 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12950 DW_OP_deref{,_size} if address isn't going to be added.
12952 2006-01-04 Ben Elliston <bje@au.ibm.com>
12954 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12955 * config/fp-bit.c: Likewise.
12957 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12959 * dominance.c: Add comment about why we use DFS numbering
12962 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12963 Richard Henderson <rth@redhat.com>
12965 Merge from gomp-branch:
12966 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12967 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12969 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12971 PR rtl-optimization/25578
12972 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12973 pass a parameter to simplify_shift_const if changing ASHIFTRT
12976 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12978 * builtins.c (get_builtin_sync_mem): New function.
12979 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12980 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12981 Call get_builtin_sync_mem to generate mem rtx.
12983 2006-01-03 Richard Guenther <rguenther@suse.de>
12986 * stmt.c (add_case_node): Make sure to clear overflow flags
12989 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12991 Merge from gomp-branch.
12992 * config/sparc/sync.md: New file.
12993 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12994 UNSPECV_LDSTUB): New constants.
12995 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12996 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12997 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13000 2006-01-03 Roger Sayle <roger@eyesopen.com>
13002 * combine.c (reg_subword_p): New predicate to test whether the
13003 destination of a set refers to a subword/piece of a register.
13004 (try_combine): Generalize the code to merge the setting of a
13005 pseudo to a constant followed by a set of a subword of that
13006 register to a constant.
13008 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13010 * basic-block.h (control_flow_graph): Change the type of
13011 x_label_to_block_map to VEC(basic_block,gc) *.
13012 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13013 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13015 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13016 VEC(basic_block,heap) *.
13017 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13018 ssa_prop_fini): Adjust the uses of cfg_blocks.
13020 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13022 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13024 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13025 hashing trees instead of a pointer hash.
13026 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13027 compare for MEM_EXPR.
13029 PR rtl-optimization/25130
13030 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13031 when comparing MEMs for GCSE
13033 2006-01-03 Ben Elliston <bje@au.ibm.com>
13035 * targhooks.h (default_decimal_float_supported_p): Declare.
13036 * targhooks.c (default_decimal_float_supported_p): Define.
13037 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13038 `default_decimal_float_supported_p'.
13039 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13041 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13043 * combine.c (apply_distributive_law <SUBREG>): Check
13044 TRULY_NOOP_TRUNCATION.
13046 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13048 * dwarf2out.c (have_switched_text_section): Delete.
13049 (have_multiple_function_sections): New.
13050 (have_location_lists): Make 'bool'.
13051 (add_AT_loc_list): Use 'true' not '1'.
13052 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13053 (output_loc_list): Use have_multiple_function_sections.
13054 (output_ranges): Likewise.
13055 (dwarf2out_begin_function): Set have_multiple_function_sections if
13057 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13058 Check function_section rather than DECL_SECTION_NAME.
13059 (dwarf2out_finish): Use have_multiple_function_sections.
13060 Don't clear have_location_lists.
13062 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13063 Jan Hubicka <jh@suse.cz>
13065 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13066 case of conditional jump jumping to the next instruction.
13067 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13068 cases of conditional jump jumping to the next instruction.
13070 2006-01-02 Jan Hubicka <jh@suse.cz>
13072 * i386.c (*_cost): Add COSTS_N_INSNS.
13073 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13075 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13078 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13080 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13082 * config/arm/arm.c (all_fpus): Fix comment typo.
13083 * config/darwin.c: Likewise.
13084 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13085 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13086 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13088 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13090 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13091 (rs6000_split_compare_and_swapqhi): New.
13092 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13093 (sync_compare_and_swapqhi_internal): New.
13094 * config/rs6000/rs6000-protos.h: Declare.