1 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3 Port to hosts whose 'sort' and 'tail' implementations
4 treat operands with leading '+' as file names, as POSIX
5 has required since 2001. However, make sure the code still
6 works on pre-POSIX hosts.
7 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8 which says you should use "tail -c +N" rather than "tail +Nc".
9 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
11 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
13 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in argument name.
15 2006-07-06 David Edelsohn <edelsohn@gnu.org>
18 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
19 PRE_{INC,DEC} of TFmode.
21 2006-07-06 David Edelsohn <edelsohn@gnu.org>
22 Alan Modra <amodra@bigpond.net.au>
25 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
28 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
31 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
34 2006-07-05 Jason Merrill <jason@redhat.com>
38 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
39 * c-common.c (handle_packed_attribute): So don't copy it here.
40 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
42 2006-07-05 Mike Stump <mrs@apple.com>
44 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
46 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
49 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
51 2006-07-05 Richard Guenther <rguenther@suse.de>
54 * config/i386/i386.md (*negdf2_1): Restrict pattern to
55 TARGET_SSE2 targets if using SSE math.
56 (*absdf2_1): Likewise.
58 2006-07-05 Richard Guenther <rguenther@suse.de>
60 PR tree-optimization/28162
61 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
62 make sure to convert the operands to the correct type.
64 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
66 PR tree-optimization/28218
68 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
69 to calculate and free the dominator information.
71 2006-07-04 Peter O'Gorman <peter@pogma.com>
73 * mklibgcc.in: chmod 644 before ranlib during install.
75 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
76 J"orn Rennecke <joern.rennecke@st.com>
78 * configure.ac (.eh_frame data check): Use diff -b.
80 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
83 * Makefile.in (BUILD_RTL): Add build/vec.o.
84 (build/gencondmd.o): Filter out -fkeep-inline-functions.
85 (build/genextract): Delete.
86 (build/genautomata): Likewise.
88 2006-07-04 Alan Modra <amodra@bigpond.net.au>
91 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
92 128-bit IBM long doubles for ABI_V4.
94 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
96 * tree.c (range_in_array_bounds_p): New predicate.
97 * tree.h (range_in_array_bounds_p): Declare it.
98 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
99 return a less conservative answer.
100 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
102 (IS_ELEMENT_FOR_GROUP): New macro.
103 (FOR_EACH_ACTUAL_CHILD): Likewise.
104 (next_child_for_group): New helper function.
105 (can_completely_scalarize_p): Take into account groups.
106 (sra_hash_tree): Handle RANGE_EXPR.
107 (sra_elt_eq): Likewise.
108 (lookup_element): Be prepared for handling groups.
109 (is_valid_const_index): Delete.
110 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
111 instead of is_valid_const_index.
112 <ARRAY_RANGE_REF>: New case.
113 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
114 is_valid_const_index.
115 <ARRAY_RANGE_REF>: Do not unconditionally punt.
116 (scan_dump): Dump info for groups too.
117 (decide_instantiation_1): Likewise.
118 (decide_block_copy): Assert that the element is not a group.
119 Propagate decision to groups.
120 (generate_one_element_ref): Handle RANGE_EXPR.
121 (mark_no_warning): Iterate over actual childs.
122 (generate_copy_inout): Likewise.
123 (generate_element_copy): Likewise.
124 (generate_element_zero): Likewise.
125 (generate_element_init_1): Likewise.
126 (dump_sra_elt_name): Handle RANGE_EXPR.
128 2006-07-03 Roger Sayle <roger@eyesopen.com>
130 PR tree-optimization/26251
131 * tree-ssa-threadupdate.c (redirection_block_p): New function.
132 (thread_block): When optimizing for size refuse to thread jumps
133 that would require duplication of blocks other than redirection
136 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
138 * configure.ac: Fix thinko in previous check-in.
139 * configure: Regenerate.
141 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
144 * configure.ac (for lang...): Simplify nesting of conditionals.
145 Test subdir_requires for non-enabled languages. Move processing
146 of lang_opt_files and lang_tree_fiels below that test.
147 * configure: Regenerate.
148 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
150 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
152 * doc/gcov.texi (Invoking Gcov): Add a missing word.
154 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
156 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
159 2006-06-29 Jason Merrill <jason@redhat.com>
166 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
167 * c-common.c (c_determine_visibility): Handle it here.
168 * c-decl.c (finish_decl): Call c_determine_visibility for
170 * flags.h (enum symbol_visibility): Sort from most to least visibility.
172 * varasm.c (default_assemble_visibility): Likewise.
173 * c-common.c (handle_visibility_attribute): Complain about trying
174 to give visibility to an already defined class, or trying to change
175 declared visibility. Always attach the attribute.
180 * attribs.c (decl_attributes): Ignore type-in-place attributes
181 once the type has been defined.
183 2006-06-29 Roger Sayle <roger@eyesopen.com>
186 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
187 to indicate the cpplib has issued an error message for us.
189 2006-06-29 Asher Langton <langton2@llnl.gov>
192 * config/i386/i386.c (ix86_output_function_epilogue): Don't
193 insert a label at the end of an function under Mach-O.
195 2006-06-29 Eric Christopher <echristo@apple.com>
196 Evan Cheng <evan.cheng@apple.com>
198 * predicates.md (vector_all_ones_operand): New.
199 (nonimmediate_or_sse_const_operand): Ditto.
200 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
201 * config/i386/i386.c (standard_sse_constant_opcode): Define.
202 (standard_sse_mode_p): Ditto.
203 (standard_sse_constant_p): Add case for -1 vector.
204 (ix86_expand_vector_move): Try to use.
205 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
206 Call standard_sse_constant_opcode.
207 (*movv4sf_internal): Ditto.
208 (*movv2df_internal): Ditto.
210 2006-06-29 Roger Sayle <roger@eyesopen.com>
212 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
213 of XEXP to extract the operands of a MATCH_CODE rtx.
215 2006-06-28 Andrew Pinski <pinskia@gmail.com>
217 * tree.c (tree_size): Do not waste tail padding in
218 struct tree_string and make the size be the same as
219 build_string will generate.
221 2006-06-28 Jason Merrill <jason@redhat.com>
224 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
225 may_aliases already in the tag's annotations to the bitmap.
227 2006-06-28 Roger Sayle <roger@eyesopen.com>
229 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
231 2006-06-28 Roger Sayle <roger@eyesopen.com>
233 * genpreds.c (generate_switch_p): New function.
234 (add_mode_tests): Push the new mode test down inside an AND expr
235 if this allows the switch-suitable MATCH_CODE to be near the root.
236 (write_match_code_switch): New function to write a MATCH_CODE as
238 (write_predicate_stmts): New function to write a predicate RTX
239 expression as a sequence of statements.
240 (write_one_predicate_function): Use write_predicate_stmts.
241 (write_tm_constrs_h): Likewise.
243 2006-06-26 Fred Fish <fnf@specifix.com>
245 * config/mips/t-sb1: New file.
246 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
249 2006-06-26 DJ Delorie <dj@redhat.com>
251 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
253 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
254 Jayant Sonar <jayants@kpitcummins.com>
255 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
257 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
258 (subsi3, subsi3_1, subsi3_2): New.
259 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
260 * config/m32c/mov.md (SI mov peephole): New.
261 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
262 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
264 2006-06-26 Olivier Hainque <hainque@adacore.com>
266 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
267 a CALL_EXPR target function declaration.
269 2006-06-26 Richard Guenther <rguenther@suse.de>
271 * tree.c (build_string): Do not waste tail padding in
274 2006-06-26 Richard Guenther <rguenther@suse.de>
276 * ggc-page.c (init_ggc): Add missing element to size_lookup
280 2006-06-23 Richard Guenther <rguenther@suse.de>
282 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
283 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
284 alignment requests instead. Add verification code.
285 Add struct tree_function_decl and struct tree_binfo size to
286 extra_order_size_table. Add missing element to size_lookup
289 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
292 * fold-const.c (const_binop): Be prepared for self returning zero.
293 Simplify code handling complex values.
295 2006-06-24 Olivier Hainque <hainque@adacore.com>
297 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
298 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
301 2006-06-24 Olivier Hainque <hainque@adacore.com>
303 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
304 ARRAY_REF, so have the callback called for the low bound expression.
306 2006-06-23 Janis Johnson <janis187@us.ibm.com>
308 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
309 * c-typeck.c (c_common_type): Disallow operations on decimal float
310 types and other float types.
311 * convert.c (convert_to_real): Don't ignore conversions involving
314 2006-06-23 Olivier Hainque <hainque@adacore.com>
316 * tree.c (max_int_size_in_bytes): New function, inspired from
317 code in function.c:assign_temp.
318 * tree.h (max_int_size_in_bytes): Declare.
319 * function.c (assign_temp): Use it.
320 * gimplify.c (create_tmp_var): Relax the assertions on the type
321 properties, not mandating constant size any more.
322 (force_constant_size): New static function.
323 (gimple_add_tmp_var): Use it, forcing variable size to a
324 constant upper bound if it is not constant on entry.
326 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
329 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
330 for initialization and setting of one_only flag to ...
331 (i386_pe_encode_section_info): ...here.
332 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
333 Recheck that the symbol has not been defined.
335 2006-06-23 Richard Guenther <rguenther@suse.de>
337 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
338 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
339 alignment requests instead. Add verification code.
340 Add struct tree_function_decl and struct tree_binfo size to
341 extra_order_size_table. Add missing element to size_lookup
344 2006-06-22 Roger Sayle <roger@eyesopen.com>
345 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
348 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
349 call to lang_hooks.types.type_for_mode returned NULL_TREE.
351 2006-06-23 Ben Elliston <bje@au.ibm.com>
353 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
354 negate dn -- manipulate it directly.
356 2006-06-22 Roger Sayle <roger@eyesopen.com>
357 Steven Bosscher <stevenb.gcc@gmail.com>
360 * reload1.c (gen_reload): Call mark_jump_label on the new insns
361 generated by gen_move_insn to add REG_LABEL notes if necessary.
363 2006-06-22 Bob Wilson <bob.wilson@acm.org>
365 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
366 (leaf_entry): Remove use of MIN_ESA.
368 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
370 PR rtl-optimization/28121
371 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
374 2006-06-21 DJ Delorie <dj@redhat.com>
376 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
378 (mulhisi3_r): Likewise.
380 2006-06-21 Richard Sandiford <richard@codesourcery.com>
383 * coverage.c (coverage_counter_alloc): Leave the index type
385 (coverage_counter_alloc): Use null arguments for operands 2 and 3
388 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
390 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
391 section from the "Options for Code Generation Conventions".
393 2006-06-21 Richard Henderson <rth@redhat.com>
397 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
399 (global_symbolic_operand): Allow weak symbols, even if local_p.
401 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
403 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
404 (find_interesting_uses_address): Punt if above function returns true.
406 2006-06-21 Richard Guenther <rguenther@suse.de>
408 * configure: Regenerated.
410 2006-06-21 Joseph Myers <joseph@codesourcery.com>
412 * config/mips/mips.c (function_arg): Where one part of a
413 complex argument is in registers and the other part in the stack,
414 return a REG not a PARALLEL.
416 2006-06-21 Mark Mitchell <mark@codesourcery.com>
418 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
419 when cross-compiling. Do not substitute libstdcxx_incdir.
420 * configure: Regenerated.
422 2006-06-21 Jakub Jelinek <jakub@redhat.com>
424 * varasm.c (mergeable_string_section): Check for embedded NULs and
425 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
426 rather than TREE_STRING_LENGTH bytes.
428 2006-06-21 Richard Guenther <rguenther@suse.de>
430 * ggc-page.c (extra_order_size_table): Add var_ann_d,
431 tree_ssa_name, bitmap_element and phi_node with 4 arguments
434 2006-06-21 Richrad Guenther <rguenther@suse.de>
436 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
437 Limit iteration over the dominators.
439 2006-06-20 Roger Sayle <roger@eyesopen.com>
441 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
442 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
444 2006-06-20 Richard Guenther <rguenther@suse.de>
445 Michael Matz <matz@suse.de>
447 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
449 * alloc-pool.c (free_alloc_pool_if_empty): New function.
450 * et-forest.h (et_free_pools): Prototype new function.
451 * et-forest.c (et_free_tree_force): Free parent occurrence.
452 (et_free_pools): New function.
453 * dominance.c (free_dominance_info): Free et-forest alloc
456 2006-06-20 Roger Sayle <roger@eyesopen.com>
458 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
459 integer modes, attempt to directly construct an integer constant.
461 * fold-const.c (native_encode_vector): Determine the size of each
462 element from the vector type instead of the first vector element.
464 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
465 if all of its elements/components are constant.
466 (build_constructor_from_list): Likewise.
468 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
470 PR tree-optimization/27331
471 * tree-data-ref.c (free_data_ref): New function.
472 (create_data_ref): Fail if the data reference has unknown access
474 (free_data_refs): Use free_data_ref.
476 2006-06-19 Andrew Pinski <pinskia@gmail.com>
479 * tree-inline.c (setup_one_parameter): Strip useless
480 type conversion before adding it to the IR.
481 (declare_return_variable): Likewise.
483 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
486 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
488 2006-06-19 Mike Stump <mrs@apple.com>
490 * tree.c (variably_modified_type_p): VM arguments don't make the
493 2006-06-19 Richard Guenther <rguenther@suse.de>
495 * tree-ssa-pre.c (try_combine_conversion): Strip useless
496 type conversions after folding.
498 2006-06-19 Richard Guenther <rguenther@suse.de>
500 * ggc-page.c (extra_order_size_tab): Add entries with
501 size of struct function and basic_block.
502 (size_lookup): Extend to cover sizes up to 511.
503 (ggc_alloc_stat): Adjust user.
504 (ggc_pch_count_object): Likewise.
505 (ggc_pch_alloc_object): Likewise.
506 (ggc_pch_write_object): Likewise.
508 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
510 * tree-ssa-loop-niter.c (implies_ge_p): New function.
511 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
514 2006-06-19 Denis Chertykov <denisc@overta.ru>
516 * config/avr/libgcc.S : Correct my wrong previous commit.
518 2006-06-19 Roger Sayle <roger@eyesopen.com>
521 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
522 have stripped a SUBREG from the shift count, so we may need to
523 convert_to_mode back to the type's mode before calling make_tree.
524 Use new_amount instead of amount to avoid expanding a tree twice.
526 2006-06-19 Richard Guenther <rguenther@suse.de>
529 * fold-const.c (operand_equal_p): Check if the argument types
530 have the same precision before stripping NOPs.
532 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
534 Fix PR tree-optimization/27341
535 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
537 * tree-complex.c (pass_lower_complex): Update SMT usage.
539 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
541 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
542 Add a new alternative to the constraint strings. Add move of
543 operand 1 to 3 to the splitter definition.
544 ("doloop_si_long"): Second contraint alternative removed.
546 2006-06-08 Anatoly Sokolov <aesok@post.ru>
548 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
549 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
551 (AVR_HAVE_MOVW) Define.
552 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
553 (ASM_SPEC): Add avr25.
554 (LINK_SPEC): Add avr25.
555 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
556 (base_arch_s): Add new member 'have_movw_lpmx'.
557 (avr_arch_types): Init 'have_movw_lpmx'.
558 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
559 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
560 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
561 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
562 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
564 (avr_file_start): Do not output '.arh' derective.
565 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
566 (__do_copy_data): Use __AVR_HAVE_LPMX__.
567 * config/avr/avr.md (mcu_enhanced): Delete.
568 (mcu_have_movw): Define.
569 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
570 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
571 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
572 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
573 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
574 attiny861 and at86rf401 devices.
576 2006-06-18 Jie Zhang <jie.zhang@analog.com>
578 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
581 2006-06-17 Karl Berry <karl@gnu.org>
583 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
584 doc/gccint.texi, doc/install.texi (@dircategory): Use
585 "Software development" instead of "Programming", following
586 the Free Software Directory.
588 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
590 * config/i386/i386.c (legitimate_tls_address)
591 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
592 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
593 (*tls_dynamic_gnu2_combine_64): Likewise.
595 2006-06-16 Richard Guenther <rguenther@suse.de>
598 * fold-const.c (negate_expr_p): Do not introduce undefined
599 overflow in negating INTEGER_CSTs.
600 (fold_negate_expr): Rename from negate_expr. Revert last
601 change for folding BIT_NOT_EXPR. Change semantics to
602 return NULL_TREE for non-simplified negations. Do not
603 strip type conversions and unify type handling.
604 (negate_expr): New function, wrap around fold_negate_expr
605 but ensure building a tree always. Strip type conversions
606 here, fold to result type.
607 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
609 2006-06-16 Roger Sayle <roger@eyesopen.com>
612 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
613 that (would) return their results in stack registers.
615 2006-06-16 Michael Matz <matz@suse.de>
616 Richard Guenther <rguenther@suse.de>
618 * fold-const.c (fold_truthop): Only return new tree node if
619 we canonicalized something.
621 2006-06-16 Richard Guenther <rguenther@suse.de>
623 * function.h (enum function_frequency): Move declaration
624 out of struct function.
625 (struct function): Move bool fields and the enum to the bitfield
626 section. Reorder elements to avoid padding. Remove unused
627 fields left over from the RTL inliner removal.
628 * function.c (free_after_compilation): Do not zero removed fields.
629 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
630 (ipa-type-escape.o): Likewise.
632 2006-06-16 Richard Guenther <rguenther@suse.de>
634 * cgraph.h (struct cgraph_local_info): Turn bool elements
636 (struct cgraph_node): Likewise.
637 (struct cgraph_varpool_node): Likewise.
639 2006-06-15 Richard Guenther <rguenther@suse.de>
641 * fold-const.c (fold_truth_not_expr): Rename from
642 invert_truthvalue. Give it fold_* semantics to avoid
644 (invert_truthvalue): New function. Wrapper around
646 (optimize_minmax_comparison): Avoid creating garbage.
647 (fold_unary): Use fold_truth_not_expr for folding
649 (fold_ternary): Replace uses of invert_truthvalue with
650 fold_truth_not_expr where applicable.
651 * tree.h (fold_truth_not_expr): Prototype.
653 2006-06-16 Richard Guenther <rguenther@suse.de>
655 PR tree-optimization/27781
656 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
657 * ipa-pure-const.c (target.h): Include.
658 (analyze_function): Do not analyze functions that do not
661 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
664 * tree-dfa.c (referenced_vars_dup_list): Remove.
665 (find_referenced_vars): Remove assert.
666 (referenced_var_check_and_insert): Replace dup list with assert.
667 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
668 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
670 2006-06-15 Richard Guenther <rguenther@suse.de>
672 * tree-ssa-structalias.c (alias_get_name): Avoid creating
673 extra unused identifiers if not dumping.
674 (create_variable_info_for): Likewise.
676 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
678 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
679 (derive_constant_upper_bound): Derive more precise upper bound in
680 common cases. Return type changed to double_int.
681 (record_estimate): Reflect the changed return type of
682 derive_constant_upper_bound.
683 * double-int.c (double_int_zext, double_int_sext): Fix.
685 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
687 * configure.ac (CFLAGS): Get them from the toplevel or from the
688 configure invocation.
689 * configure: Regenerate.
690 * Makefile.in (CFLAGS): Substitute value provided by configure.
692 2006-06-14 Mark Mitchell <mark@codesourcery.com>
695 * c-common.h (c_finish_omp_atomic): Adjust declaration.
696 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
697 rather than calling add_stmt on it.
698 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
700 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
703 * reload1.c (reload): Remove registers returned by update_eliminables
704 from used_spill_regs.
706 2006-06-13 DJ Delorie <dj@redhat.com>
708 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
710 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
712 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
713 html__strip_dir, html__mkdir_p. Enhance install-html target.
714 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
715 * configure: Regenerate.
717 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
719 * fold-const.c (fold_cond_expr_with_comparison): Check for
720 Objective-C++ as language in deciding COND_EXPR transformation.
722 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
725 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
726 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
727 * config/sh/lib1funcs.h (SL, SL1): Define.
728 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
729 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
730 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
731 (OBJS_Os_4_200): New variable.
732 ($(T)libgcc-Os-4-200.a): Use it.
733 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
734 when dividing 1 and/or by 0.
736 2006-06-13 Roger Sayle <roger@eyesopen.com>
738 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
739 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
740 * configure: Regenerate.
742 2006-06-13 Jie Zhang <jie.zhang@analog.com>
744 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
745 for real instruction.
747 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
750 * haifa-sched.c (check_cfg): Handle special case.
752 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
755 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
756 Add debug_info parameter. Chain the vars to the BLOCK instead
757 of the BIND_EXPR if debug info are requested for them.
758 (pop_gimplify_context): Adjust for above change.
759 (gimple_add_tmp_var): Likewise.
760 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
762 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
763 (convert_local_reference): Likewise.
764 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
765 (finalize_nesting_tree_1): Request that debug info be emitted
768 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
770 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
773 2006-06-13 Richard Guenther <rguenther@suse.de>
776 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
778 2006-06-13 Richard Guenther <rguenther@suse.de>
780 PR tree-optimization/27830
781 * tree-inline.c (copy_body_r): For copying the operand
782 of an ADDR_EXPR make sure to fold &* afterwards.
784 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
786 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
787 lvalues in the fb_none case with side-effects.
789 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
791 * tree-flow.h: Remove the prototype for
792 compute_phi_arg_on_exit.
793 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
794 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
797 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
799 * builtins.c (expand_builtin_return_addr): Only use
800 frame_pointer_rtx when count == 0 and we are expanding
801 __builtin_return_address.
803 2006-06-12 Fred Fish <fnf@specifix.com>
805 * config/mips/mips.c (mips_file_start): Create special section
806 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
808 2006-06-11 Eric Christopher <echristo@apple.com>
811 * stor-layout.c (place_field): Remove check for
812 remaining_in_alignment when aligning at the end of a run.
814 2006-06-11 Eric Christopher <echristo@apple.com>
817 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
820 2006-06-11 Roger Sayle <roger@eyesopen.com>
823 Revert incorrect fix for PR target/27158
824 2006-05-08 Roger Sayle <roger@eyesopen.com>
825 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
826 of a reg_equiv_constant if the result is a legitimate constant.
828 2006-06-11 Roger Sayle <roger@eyesopen.com>
831 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
832 extract a CONST_VECTOR element and interpret it as an integer.
833 (vspltis_constant): Use const_vector_elt_as_int instead of the
834 macro CONST_VECTOR_ELT in order to handle FP vector modes.
835 * config/rs6000/predicates.md (easy_vector_const): Consider
836 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
838 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
841 * stor-layout.c (update_alignment_for_field): Don't add extra
842 alignment for packed non-bitfield fields in ms_bitfield_layout_p
845 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
847 * config/mips/t-rtems: Add EL/EB multilib variants.
849 2006-06-09 Mike Stump <mrs@apple.com>
851 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
853 2006-06-09 David Daney <ddaney@avtrex.com>
855 * doc/install.texi: Add binutils version recommendation for mips-*-*.
857 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
859 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
861 2006-06-09 Richard Guenther <rguenther@suse.de>
863 PR tree-optimization/26998
864 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
865 of signed types, only TYPE_MIN_VALUE is special, but for both,
866 minimum and maximum value. Likewise VR_ANTI_RANGE is special
867 in this case, as is -fwrapv.
869 2006-06-08 Mike Stump <mrs@apple.com>
872 * config/darwin.c (darwin_asm_output_anchor): Disable
873 -fsection-anchors on darwin for now.
874 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
875 * rs6000/rs6000.c (optimization_options): Likewise.
877 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
880 * config/i386/i386.c (classify_argument): Skip fields with invalid
883 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
885 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
886 (cse_insn): Likewise for the stack_pointer_rtx.
888 2006-06-08 Roger Sayle <roger@eyesopen.com>
890 * tree-ssa-dom.c (record_conditions): Only record "unordered"
891 conditions from floating point comparisons.
893 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
896 * expmed.c (struct alg_hash_entry): Fix type of field T
897 to match synth_mult argument.
898 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
900 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
903 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
906 2006-06-08 Richard Guenther <rguenther@suse.de>
909 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
910 only, if overflow is defined and not trapping.
911 (negate_expr): Likewise.
913 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
915 PR tree-optimization/27872
916 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
917 flag on the new exit edge of the unrolled loop.
919 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
921 PR rtl-optimization/26449
922 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
924 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
927 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
928 referenced_variables with matching DECL_UID's.
929 (find_referenced_vars): Make sure duplicate list is empty to start.
930 (referenced_var_p): Remove.
931 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
932 Check if var is in the list, and add if needed. Update the duplicate
933 list if a different var is in the list with the same DECL_UID.
934 (add_referenced_var): Call routine to check and insert.
935 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
936 * tree-flow.h (referenced_vars_dup_list): External declaration.
938 2006-06-07 Fred Fish <fnf@specifix.com>
940 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
943 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
946 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
947 the imaginary and real parts of a clobbered register.
948 Emit insn to set the imaginary part.
950 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
952 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
953 in lieu of unwind-dw2-fde.c.
955 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
957 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
959 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
962 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
963 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
964 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
965 V4SImode temporaries and operations instead.
967 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
969 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
972 2006-06-06 Mike Stump <mrs@apple.com>
974 * Makefile.in: Rename to htmldir to build_htmldir to avoid
975 installing during build.
977 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
979 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
981 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
982 * config/ia64/ia64.c (params.h): New header.
983 (ia64_optimization_options): New function to adjust parameters.
984 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
985 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
986 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
988 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
990 * stor-layout.c (debug_rli): Fix a typo in a debug message.
992 2006-06-05 Steve Ellcey <sje@cup.hp.com>
995 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
997 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
998 Victor Kaplansky <victork@il.ibm.com>
1000 PR tree-optimization/26360
1001 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1004 2006-06-04 Roger Sayle <roger@eyesopen.com>
1005 Andrew Pinski <pinskia@physics.uc.edu>
1008 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1009 for LABEL_DECL before calling DECL_WEAK.
1012 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1013 LABEL_DECL and PARM_DECL.
1015 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1019 * c-decl.c (grokdeclarator): Disallow variably modified types at
1020 file scope. Avoid marking shared array type of constant size as
1023 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1026 * c-common.c (fold_offsetof_1): Handle static members.
1028 2006-06-04 Eric Christopher <echristo@apple.com>
1030 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1031 (debug_rli): Output value for remaining_in_alignment.
1032 (update_alignment_for_field): Unconditionalize
1033 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1034 extra alignment code.
1035 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1036 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1037 * tree.h (record_layout_info_s): Remove prev_packed.
1038 * doc/extend.texi (ms_struct): Add documentation of format.
1040 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1042 * tree.h: Declare folding_initializer.
1043 * builtins.c (fold_builtin_constant_p): Give definite answer
1044 if folding inside an initializer.
1045 * fold-const.c: Define folding_initializer.
1046 (START_FOLD_INIT): Save and then set folding_initializer.
1047 (END_FOLD_INIT): Restore folding_initializer.
1049 2006-06-04 Richard Guenther <rguenther@suse.de>
1051 PR tree-optimization/27039
1052 * fold-const.c (fold_comparison): Handle pointer comparison
1053 again for all comparison codes. Compare offsets in signed
1055 (fold_binary): Move code from here.
1057 2006-06-03 Roger Sayle <roger@eyesopen.com>
1060 * config/i386/i386.c (construct_container): Split static issued_error
1061 flag into issued_sse_arg_error, issued_sse_ret_error and
1062 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1063 requires the use of x87 registers and the user explicitly
1064 specified the -mno-80387 command line option.
1066 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1068 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1069 HAVE_DECL_SIGALTSTACK.
1071 (segv_handler): Use MC_FLD.
1072 * configure.ac: Check for a sigaltstack declaration.
1073 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1074 * configure: Regenerate.
1075 * config.in: Regenerate.
1077 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1080 * Makefile.in (stmp-fixinc): Fix typo.
1082 2006-06-02 Roger Sayle <roger@eyesopen.com>
1084 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1085 are type correct. Clean-up.
1086 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1087 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1089 2006-06-01 DJ Delorie <dj@redhat.com>
1091 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1092 shift, as we've disabled the "switch" insn that needs it.
1094 2006-06-01 Per Bothner <bothner@bothner.com>
1096 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1097 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1098 * c-ppoutput.c (cb_define): Don't increment line 0.
1100 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1102 * doc/invoke.texi: Add cpu_type power6.
1103 * config.gcc: Add cpu_type power6.
1104 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1105 to power5+ with Altivec.
1106 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1107 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1109 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1111 * config/avr/avr.h (SET_ASM_OP): Define.
1113 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1115 * config/bfin/bfin.c: Fix comment typos.
1117 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1120 * doc/install.texi: Document --enable-bootstrap and
1121 --disable-bootstrap.
1123 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1125 * doc/install.texi: Document that InfoZIP can replace jar.
1127 2006-05-31 Roger Sayle <roger@eyesopen.com>
1129 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1130 isn't available, directly generate the simpler x87 patterns without
1131 the (use (const_int 0)).
1132 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1133 implementation isn't available.
1134 (*negdf2_1): Likewise.
1135 (*negxf2_1): XF mode negation is always done using the x87.
1136 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1138 2006-05-31 Roger Sayle <roger@eyesopen.com>
1140 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1141 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1143 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1145 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1147 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1148 * config/bfin/bfin.c (basic-block.h): Include.
1149 (struct machine_function): New.
1150 (bfin_init_machine_status): New.
1151 (override_options): Initialize init_machine_status.
1152 (bfin_hardware_loop): New.
1153 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1154 (DEF_VEC_P (loop_info)): New.
1155 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1156 (struct loop_info): New.
1157 (loop_info): New typedef.
1158 (struct loop_work): New.
1159 (loop_work): New typedef.
1160 (DEF_VEC_O (loop_work)): New.
1161 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1162 (bfin_dump_loops): New.
1163 (bfin_bb_in_loop): New.
1164 (bfin_scan_loop): New.
1165 (bfin_optimize_loop): New.
1166 (bfin_reorg_loops): New.
1167 (bfin_reorg): Use bfin_reorg_loops.
1168 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1170 (I_REGNO_P): Simplify.
1171 (DP_REGNO_P, DPREG_P): New macros.
1172 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1173 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1174 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1175 Add LT_REGS, LC_REGS, LB_REGS.
1176 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1178 (REGNO_REG_CLASS): Deal with loop registers.
1179 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1181 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1182 New constants for loop registers.
1183 (UNSPEC_LSETUP_END): New.
1184 (seq_insns): New define_attr. Set it for appropriate insns.
1185 (movsi_insn): Add alternatives for move from/to
1186 loop count registers.
1187 (doloop_end): New define_expand.
1188 (loop_end): New define_insn.
1189 (define_split for bad doloop_end): New.
1190 (lsetup_with_autoinit): New define_insn.
1191 (lsetup_without_autoinit): New define_insn.
1192 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1193 * config/bfin/predicates.md (lc_register_operand): New.
1194 (lt_register_operand): New.
1195 (lb_register_operand): New.
1196 (nondp_register_operand): New.
1197 (nondp_reg_or_memory_operand): New.
1198 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1200 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1202 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1203 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1205 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1207 * Makefile.in (CATALOGS): Add po/ prefix.
1208 * configure: Regenerated.
1210 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1213 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1214 a shift operand before calling shift_op. Avoid redundant call of
1217 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1218 DJ Delorie <dj@redhat.com>
1220 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1221 we're inserting is a singlt-bit constant.
1223 2006-05-30 Roger Sayle <roger@eyesopen.com>
1225 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1226 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1228 2006-05-30 Roger Sayle <roger@eyesopen.com>
1230 PR tree-optimization/23452
1231 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1232 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1233 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1234 complex values and with -ffast-math for FP complex values.
1236 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1238 * c-common.h: Remove the prototype for yyparse.
1239 * rtl.h: Remove the prototype for init_loop.
1241 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1243 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1246 2006-05-30 Roger Sayle <roger@eyesopen.com>
1248 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1250 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1251 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1253 2006-05-30 Dirk Mueller <dmueller@suse.de>
1256 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1257 for CONSTANT_CLASS_P expresisons.
1259 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1262 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1264 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1266 PR tree-optimization/27779
1267 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1268 initial_condition instead of CHREC_LEFT.
1270 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1272 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1273 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1274 Make prototypes ISO C90.
1276 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1277 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1279 * see.c (see_analyze_one_def): Correct check.
1280 (see_get_extension_data): Check if extension is parallel.
1281 (see_get_extension_reg): Likewise.
1283 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1286 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1287 into register for (code == GTU).
1289 2006-05-29 Roger Sayle <roger@eyesopen.com>
1291 PR tree-optimization/24964
1292 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1293 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1294 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1295 abs(x)*abs(x) as x*x for scalar floating point modes.
1297 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1300 * lambda-code.c (perfect_nestify): Don't copy statements
1301 in the inner loop: move them to the inner loop header.
1303 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1306 * c-tree.texi: Document OpenMP directives and clauses.
1308 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1310 * varasm.c (globalize_decl): Fix indentation.
1312 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1315 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1316 pass_fre, pass_store_ccp, pass_copy_prop,
1317 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1318 pass_return_slot, pass_object_size, pass_lim,
1319 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1320 pass_loop_prefetch and pass_stdarg.
1322 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1324 * config/bfin/bfin.opt (mfdpic): New option.
1325 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1326 (EXTRA_MULTILIB_PARTS): Likewise.
1327 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1328 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1330 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1331 (CRT_CALL_STATIC_FUNCTION): New.
1332 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1334 (CRT_CALL_STATIC_FUNCTION): New.
1335 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1337 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1338 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1339 (initialize_trampoline): Changed to handle FD-PIC code generation.
1340 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1341 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1342 (override_options): Disallow -mid-shared-library -mfdpic combination.
1343 Can't do unaligned ops if FD-PIC.
1344 Turn off flag_pic if trying to generate non-id-shared-library
1345 non-fdpic code, since it's not supported.
1346 (bfin_assemble_integer): New function.
1347 (TARGET_ASM_INTEGER): Define.
1348 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1350 * config/bfin/crtn.s: Restore them.
1351 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1353 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1354 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1355 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1356 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1357 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1359 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1360 FDPIC_REGS and FDPIC_FPTR_REGS.
1361 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1362 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1363 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1364 (load_funcdescsi): New pattern.
1365 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1366 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1367 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1369 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1371 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1374 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1376 * tree-flow.h: Remove the prototype for add_type_alias.
1377 * tree-ssa-alias.c (add_type_alias): Remove.
1379 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1381 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1382 config/fr30/fr30.md, config/i386/i386-interix.h,
1383 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1384 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1385 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1386 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1387 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1388 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1389 Follow spelling conventions.
1390 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1391 Follow spelling conventions.
1393 2006-05-27 Richard Guenther <rguenther@suse.de>
1396 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1397 to produce a constant of value 1 of generic type.
1399 2006-05-27 Dirk Mueller <dmueller@suse.de>
1401 * cgraphunit.c (decide_is_function_needed): Fix wrong
1404 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1406 PR rtl-optimization/27661
1407 * reload.c (find_reloads): When reloading a VOIDmode constant
1408 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1409 use Pmode as mode of the reload register.
1411 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1413 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1414 is enabled at -O and above.
1416 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1419 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1422 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1425 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1426 for anonymous variables explicitly declared by front ends.
1428 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1430 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1431 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1432 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1433 ref-all pointers, run a finalization pass for them.
1434 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1435 (finalize_ref_all_pointers): New function.
1436 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1437 regular pointer type to a ref-all pointer type.
1438 (get_tmt_for): Return the special memory tag for ref-all pointers.
1440 2006-05-25 Richard Guenther <rguenther@suse.de>
1443 * fold-const.c (fold_binary): Do not look at the stripped
1444 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1446 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1448 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1449 for LT and GT if the computed range is effectively empty.
1451 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1454 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1455 mips_quad_format formats instead of ieee_single_format,
1456 ieee_double_format and ieee_quad_format formats, respectively.
1458 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1460 PR tree-optimization/27639
1461 PR tree-optimization/26719
1462 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1463 call to scev_probably_wraps_p.
1464 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1465 used_in_pointer_arithmetic_p, convert_step): Removed.
1466 (nowrap_type_p): New function.
1467 (scev_probably_wraps_p): Rewritten.
1468 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1469 chrec_convert if chrec_convert_aggressive might have been used.
1470 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1471 scev_direction): New functions.
1472 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1473 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1474 instead of convert_step.
1475 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1476 (convert_step): Declaration removed.
1477 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1479 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1481 * df-core.c: Added to header comments.
1482 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1483 df_ur_bb_info, df_urec_bb_info): Added comments.
1484 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1485 urec, ri problems): Fixed header comments.
1486 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1487 code from df_rd_transfer_function.
1489 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1491 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1492 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1493 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1495 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1497 * expr.c (undefined_operand_subword_p): New.
1498 (emit_move_multi_word): Do not generate move from undefined bits
1499 of a paradoxical subreg.
1501 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1503 PR rtl-optimization/27736
1504 * combine.c (replaced_rhs_value): New variable.
1505 (combine_instructions): Set it.
1506 (distribute_notes): When distributing a note in replaced_rhs_insn,
1507 check whether the value was used in replaced_rhs_value.
1509 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1512 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1513 add_referenced_var instead of add_referenced_tmp_var.
1514 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1515 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1517 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1518 tree_optimize_tail_calls_1): Use add_referenced_var.
1519 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1520 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1521 Use add_referenced_var.
1522 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1523 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1524 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1525 Use add_referenced_var.
1526 * tree-dfa.c (struct walk_state): Remove.
1527 (find_referenced_vars): Remove walk state and vars_found hash table.
1528 (make_rename_temp): Use add_referenced_var.
1529 (find_vars_r): Pass less parameters to add_referenced_var.
1530 (referenced_var_p): New. Is var in referenced_var hash table.
1531 (referenced_var_insert): Assert var isn't already in hash table.
1532 (add_referenced_var): Don't need walk_state parameter. Add var if it
1533 isn't already in the hash table.
1534 (add_referenced_tmp_var): Remove.
1535 (find_new_referenced_vars_1): Use add_referenced_var.
1536 * tree-ssa-pre.c (create_expression_by_pieces,
1537 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1538 Use add_referenced_var.
1539 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1540 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1541 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1543 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1544 vect_create_data_ref_ptr, vect_create_destination_var,
1545 vect_init_vector, vect_build_loop_niters,
1546 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1547 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1548 Use add_referenced_var.
1549 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1550 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1551 (add_referenced_var): Add prototype.
1552 * tree-ssa-structalias.c (get_constraint_for,
1553 intra_create_variable_infos): Use add_referenced_var.
1555 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1557 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1558 big-endian paradoxical subregs.
1559 * var-tracking.c (struct micro_operation_def): Document that,
1560 for modify micro operations, insn is the subsequent instruction.
1561 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1562 (var_reg_set, var_mem_set): ... new functions.
1563 (add_stores): Record subsequent insn.
1564 (compute_bb_dataflow): Use new functions for MO_USE.
1565 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1566 notes after the insn, and modify notes before the insn known
1567 to be the subsequent one.
1568 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1570 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1573 * config/i386/i386.c (ix86_expand_builtin): Use
1574 gen_sse3_monitor64 for TARGET_64BIT.
1576 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1578 PR rtl-optimization/26375
1579 PR rtl-optimization/26855
1580 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1582 (df_ru_bb_local_compute): Reversed statements and removed bogus
1583 comment explaining why they should be in wrong order.
1584 (df_ru_dump, df_rd_dump): Enhanced debug info.
1585 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1587 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1588 reaching uses and fixed space problem.
1590 2006-05-23 Jan Hubicka <jh@suse.cz>
1592 * cgraphunit.c (decide_is_function_needed): Also nested functions
1593 and functions declared inline can be optimized out at -O0.
1595 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1597 * doc/install.texi (Configuration): Remove reference to CrossGCC
1601 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1604 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1605 ix86_compare_emitted is non-NULL.
1607 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1610 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1613 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1615 PR rtl-optimization/25514
1616 * combine.c (replaced_rhs_insn): New variable.
1617 (combine_instructions): Set replaced_rhs_insn when trying to replace
1618 a SET_SRC with a REG_EQUAL note.
1619 (distribute_notes): Use replaced_rhs_insn when determining the live
1620 range of a REG_DEAD register.
1622 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1623 Anatoly Sokolov <aesok@post.ru>
1625 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1626 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1627 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1628 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1629 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1630 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1631 at90usb647, at90usb1286 and at90usb1287 devices.
1632 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1633 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1635 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1637 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1639 2006-05-22 Richard Guenther <rguenther@suse.de>
1642 2006-01-31 Richard Guenther <rguenther@suse.de>
1643 Paolo Bonzini <bonzini@gnu.org>
1645 * doc/install.texi (--disable-libgcc-math): Document.
1647 2006-05-22 Richard Guenther <rguenther@suse.de>
1650 2006-01-31 Richard Guenther <rguenther@suse.de>
1652 * doc/invoke.texi (-msselibm): Document.
1653 * target.h (expand_library_builtin): New target hook.
1654 * builtins.c (expand_builtin): Use expand_library_builtin.
1655 (default_expand_library_builtin): New function.
1656 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1657 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1658 (link_gcc_math_spec): Declare.
1659 (static_specs): Add link_gcc_math_spec.
1660 * expr.h (default_expand_library_builtin): Declare.
1661 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1662 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1663 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1664 * config/i386/i386.opt (msselibm): New target option.
1665 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1666 (ix86_init_sse_abi_builtins): New function.
1667 (ix86_expand_library_builtin): Likewise.
1668 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1669 (override_options): Handle error conditions wrt -msselibm.
1670 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1671 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1672 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1675 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1678 * c-common.c (self_promoting_args_p): Skip erroneous args.
1681 * c-decl.c (finish_struct): Skip erroneous fields.
1683 2006-05-22 Nick Clifton <nickc@redhat.com>
1685 * config/cris/cris.opt (march): Remove VarExists attribute.
1686 (max-stackframe=): Likewise.
1688 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1690 * doc/rtl.texi: Fix a typo.
1691 * see.c: Fix comment typos.
1693 * tree-ssa-structalias.h (alias_info): Remove num_references.
1695 2006-05-21 Mike Stump <mrs@apple.com>
1697 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1699 (darwin_pragma_options): Use BAD instead.
1700 (darwin_pragma_unused): Likewise.
1701 (darwin_pragma_ms_struct): Likewise.
1703 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1705 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1707 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1709 PR rtl-optimization/27671
1710 * simplify-rtx.c (simplify_relational_operation_1): Fix
1711 simplifications of (eq/ne (xor x y) y) and
1712 (eq/ne (xor x y) x).
1714 PR tree-optimization/26622.
1715 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1718 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1720 * tree-cfg.c: Prune whitespace.
1721 (debug_tree_cfg): Point to correct header containing the
1724 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1727 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1729 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1732 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1733 or sorry count is non zero.
1735 2006-05-20 Andreas Schwab <schwab@suse.de>
1737 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1739 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1740 Kenneth Zadeck <zadeck@naturalbridge.com>
1742 PR rtl-optimization/26855
1744 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1746 (df_scan_alloc): Added code to properly handle multiword hard
1747 registers and add all_blocks parameter.
1748 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1749 code to properly handle multiword hard registers.
1750 (df_rescan_blocks): Added code to remove deleted blocks from
1752 (df_ref_create_structure, df_ref_record): Added code to properly
1754 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1755 and set DF_REF_PARTIAL.
1756 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1757 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1758 (df_scan_add_problem): Added flags parameter.
1759 (df_ref_create_structure): Changed switching structure.
1760 (df_bb_refs_record): Fixed case where duplicate artificial refs
1761 were created. Changed location of flags.
1762 (df_record_entry_block_defs): Added code to make stack pointer
1763 live in entry block. Refined cases where frame pointer is needed.
1764 Changed location of flags.
1765 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1766 (df_set_state): Removed function.
1767 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1768 df_insn_create_insn_record, df_insn_refs_delete,
1769 df_ref_create_structure): Formatting changes.
1770 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1771 df_delete_basic_block): New function.
1772 (df_init): Changed location of flags.
1773 (df_add_problem): Added flags parameter and the way flags are
1775 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1776 debug_df_chain): Improved debugging output.
1777 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1778 (df_refs_chain_dump): Removed df parameter.
1779 (df_iterative_dataflow): Added consistency check.
1780 (df_prune_to_subcfg): Made public.
1781 (df_analyze_problem): Added blocks_to_init parameter and made
1783 (df_ref_record, df_bb_refs_record, df_mark_reg,
1784 df_record_exit_block_uses): Whitespace changes.
1785 (df_dump): Whitespace changes.
1786 * df.h: Some reordering to remove forward references.
1787 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1788 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1789 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1790 (dataflow.flags): New field.
1791 (df.flag): Deleted field.
1792 (df_alloc_function): Added additional bitmap parameter.
1793 (df_dependent_problem_function): New type.
1794 (df_problem.changeable_flags): New field.
1795 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1796 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1797 (df_mw_hardreg): New struct.
1798 (DF_INSN_UID_MWS): New macro.
1799 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1801 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1802 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1803 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1804 (df_set_state): Removed function.
1805 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1806 * df-problems.c (df_chain_dump): Removed df parameter.
1807 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1808 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1810 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1811 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1812 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1813 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1814 DF_REF_MUST_CLOBBER cases.
1815 (df_ru_bb_local_compute_process_def,
1816 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1817 df_lr_bb_local_compute, df_ur_bb_local_compute,
1818 df_chain_create_bb): Made subreg aware.
1819 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1820 df_lr_bb_local_compute, df_lr_bb_local_compute,
1821 df_chain_create_bb): Cleanup to use proper macros.
1822 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1823 code to fixup bitvectors.
1824 (df_ri_alloc): Cleared lifetime.
1825 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1826 df_create_unused_note): New function.
1827 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1828 REG_DEAD and REG_UNUSED notes as well as register information.
1829 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1830 df_chains_dump): Fixed crash if problem was never run.
1831 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1832 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1833 df_ri_add_problem): Processes flags in uniform manner.
1834 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1835 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1836 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1837 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1838 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1839 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1840 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1841 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1842 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1843 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1844 * see.c (see_initialize_data): Ditto.
1845 * final.c (rest_of_clean_state) Added regstack_completed.
1846 * rtl.h (regstack_completed): Ditto.
1847 * reg-stack.c (regstack_completed): Ditto.
1849 2006-05-19 Mike Stump <mrs@apple.com>
1851 * c-tree.h (default_conversion): Remove.
1852 * c-common.h (default_conversion): Add.
1854 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1856 * tree-vrp.c (valid_value_p): New function.
1857 (adjust_range_with_scev): Fail if the value of bound is not
1860 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1862 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1863 (mips_fallback_frame_state): Use syscall numbers to determine
1864 the appropriate li instruction for the current ABI. Only use
1865 __NR_sigreturn for o32.
1867 2006-05-19 Nicolas Setton <setton@adacore.com>
1869 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1870 * langhooks.c (lhd_dwarf_name): New function.
1871 * langhooks-def.h (lhd_dwarf_name): Declare.
1872 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1873 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1874 * ada/misc.c (gnat_dwarf_name): New function.
1875 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1877 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1879 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1881 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1882 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1883 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1884 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1885 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1886 determine the size of Wtype, etc.
1887 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1888 (swfloatfuncs): New variable.
1889 (dwfloatfuncs): Likewise.
1890 (lib2funcs): Remove floating-point conversion functions from
1891 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1892 the set of conversion routines needed. Allow entries to specify
1893 an object name, filename and word size. Update users accordingly.
1894 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1895 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1899 2006-02-08 Roger Sayle <roger@eyesopen.com>
1902 * config/fixtfdi.c: New libgcc source file.
1903 * config/fixunstfdi.c: New source file.
1904 * config/floatditf.c: New source file.
1905 * config/floatunditf.c: New souce file.
1906 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1907 files above instead of config/mips/_tilib.c.
1908 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1910 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1912 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1913 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1915 2006-05-18 Mike Stump <mrs@apple.com>
1917 Fix up vla, vm and [*] sematics.
1923 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1924 (c_vla_unspec_p): Add.
1925 (c_vla_type_p): Add.
1926 * c-decl.c (struct c_scope): Add had_vla_unspec.
1927 (build_array_declarator): Add support for [*].
1928 (grokdeclarator): Likewise.
1929 (grokparms): Likewise.
1930 (get_parm_info): Likewise.
1931 * c-objc-common.c (c_vla_unspec_p): Likewise.
1932 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1933 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1934 typeof when argument is a variably modified type not inside sizeof or alignof.
1935 (c_parser_direct_declarator_inner): Propagate errors.
1936 (c_parser_sizeof_expression): Add support for [*].
1937 (c_parser_parms_declarator): Initialize had_vla_unspec.
1938 (c_parser_parms_list_declarator): Likewise.
1939 * c-typeck.c (c_vla_type_p): Add.
1940 (composite_type): Add support for vla compositing.
1941 (comptypes_internal): Add support for vla compatibility.
1942 (c_expr_sizeof_expr): Evaluate vla arguments.
1943 * tree.c (variably_modified_type_p): Update comment for [*].
1945 2006-05-18 Michael Matz <matz@suse.de>
1948 * config.host: Make assignments to host_xmake_file cumulative.
1949 * config.host (*-darwin*): Test $host, not $target.
1951 2006-05-12 Stuart Hastings <stuart@apple.com>
1953 * config/i386/i386.opt (-mstackrealign): New flag.
1954 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1955 (ix86_handle_cconv_attribute): Emit error when
1956 force_align_arg_pointer attribute collides with too many regparms.
1957 (ix86_function_regparm): Limit regparms when used with
1958 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1959 Support stack-realigning prologue in non-main functions. Emit
1960 warning for nested functions under -mstackrealign, emit error for
1961 nested functions with force_align_arg_pointer attribute.
1962 * doc/extend.texi (force_align_arg_pointer): Document it.
1963 * doc/invoke.texi (-mstackrealign): Document it.
1965 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1967 PR rtl-optimization/27477
1968 * combine.c (try_combine): Don't split a parallel consisting
1969 of two sets into two individual sets if both sets reference
1972 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1974 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1975 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1977 * doc/options.texi (VarExists): Updated.
1979 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1981 * unwind-dw2.c: Add declarations for uw_update_context and
1983 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1984 detected, advance frame state and context once to skip over stub.
1986 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1990 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1991 Call rewrite_into_loop_closed_ssa only when something changed.
1992 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1993 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1994 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1995 Test for perfect_nest_p here. Fix formating.
1996 (replace_uses_equiv_to_x_with_y): Fix formating.
1997 (stmt_uses_op): Removed.
1998 (can_convert_to_perfect_nest): Removed loopivs parameter.
1999 Complete the test by checking the scalar dependences.
2000 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2003 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2006 From Dan Kegel <dank@kegel.com>:
2007 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2009 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2011 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2012 if the element type is variably modified without recursing.
2014 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2017 * tree-loop-linear.c (try_interchange_loops): Test for
2018 no data dependences.
2020 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2022 PR tree-optimization/27548
2023 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2024 range of ssa names that appear on abnormal edges.
2025 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2026 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2028 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2031 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2033 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2036 * tree.h (OMP_PARALLEL_COMBINED): Define.
2037 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2038 (new_omp_context): Add is_combined_parallel argument.
2039 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2040 new_omp_context caller.
2041 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2042 Adjust gimplify_scan_omp_clauses callers.
2043 (omp_is_private): Issue errors if iteration variable is firstprivate
2044 or reduction in the current context.
2045 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2046 on combined parallel workshare constructs.
2048 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2050 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2051 (gcc-options.o): New rule.
2053 * optc-gen.awk: Protect variables for gcc-options.o with
2054 #ifdef GCC_DRIVER/#endif.
2056 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2058 Fix PR tree-optimization/27373
2059 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2060 (forward_propagate_addr_expr): Update call.
2062 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2064 * doc/options.texi: Move the Negative option.
2066 2006-05-16 Richard Guenther <rguenther@suse.de>
2068 PR tree-optimization/22303
2069 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2071 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2072 ccp_fold did not simplify the statement.
2074 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2077 * Makefile.in (GCC_OBJS): New.
2078 (OBJS-common): Add opts-common.o.
2079 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2080 (cpp$(exeext)): Likewise.
2081 (gcc.o): Also depend on opts.h.
2082 (opts-common.o): New.
2084 * common.opt (gcoff): Add Negative(gdwarf-2).
2085 (gdwarf-2): Add Negative(gstabs).
2086 (gstabs): Add Negative(gstabs+).
2087 (gstabs+): Add Negative(gvms).
2088 (gvms): Add Negative(gxcoff).
2089 (gxcoff): Add Negative(gxcoff+).
2090 (gxcoff+): Add Negative(gcoff).
2091 * config/i386/i386.opt (m32): Add Negative(m64).
2092 (m64): Add Negative(m32).
2094 * doc/options.texi: Document the Negative option.
2096 * gcc.c: Include "opts.h".
2097 (main): Call prune_options after expandargv.
2099 * optc-gen.awk: Generate common declarations for all flag
2100 variables in options.c. Output the neg_index field.
2102 * opts.c (find_opt): Moved to ...
2103 * opts-common.c: Here. New file.
2105 * opts.h (cl_option): Add a neg_index field.
2107 (prune_options): Likewise.
2109 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2112 * omp-low.c (expand_omp_parallel): Don't assert
2113 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2114 instead search for it.
2117 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2120 2006-05-16 Andreas Schwab <schwab@suse.de>
2122 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2125 2006-05-15 Roger Sayle <roger@eyesopen.com>
2128 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2129 integer constants other than zero are only legitimate on TARGET_64BIT.
2130 <CONST_VECTOR> Only zero vectors are legitimate.
2131 (ix86_cannot_force_const_mem): Integral and vector constants can
2132 always be put in the constant pool.
2134 2006-05-16 DJ Delorie <dj@redhat.com>
2136 * crtstuff.c (__dso_handle): Set section from
2137 TARGET_LBIGCC_SDATA_SECTION if defined.
2138 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2139 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2141 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2144 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2147 2006-05-16 Ben Elliston <bje@au.ibm.com>
2149 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2151 2006-05-15 Per Bothner <per@bothner.com>
2153 * tree.c: (last_annotated_node): Use source_locus typedef.
2154 This permits bootstrapping with --enable-mapped-location.
2156 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2158 PR tree-optimization/26830
2159 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2160 (info_for_ssa_name, current_info_for_ssa_name_age,
2161 blocks_to_update): New variables.
2162 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2163 (clear_ssa_name_info, initialize_flags_in_bb,
2164 mark_block_for_update): New functions.
2165 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2166 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2167 prepare_def_site_for): Use mark_block_for_update.
2168 (mark_def_interesting): Assert that the processed block is marked in
2169 blocks_to_update. Do not take blocks argument.
2170 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2172 (rewrite_update_init_block, rewrite_update_stmt): Only process
2173 blocks with statements to rewrite.
2174 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2175 (update_ssa): Initialize and free blocks_to_update. Do not
2176 clear flags on statements. Do not use blocks bitmap.
2177 * tree.h (SSA_NAME_AUX): Removed.
2178 (struct tree_ssa_name): Removed aux field.
2179 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2181 2006-05-15 Richard Guenther <rguenther@suse.de>
2183 PR tree-optimization/27603
2184 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2185 Do computations in original type.
2187 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2189 * see.c: Code style changes such as redundant paranthesis,
2190 redundant intialization of local variables etc.
2191 (see_main): Declared now as static.
2192 * doc/invoke.texi: Update that -fsee is not enabled by
2195 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2197 * omp-low.c (check_omp_nesting_restrictions): New function.
2198 (scan_omp_1): Call it.
2201 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2202 construct, return *VAR.
2204 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2206 PR rtl-optimization/27406
2207 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2210 2006-05-14 Roger Sayle <roger@eyesopen.com>
2212 PR rtl-optimization/27538
2213 * combine.c (expand_compound_operation): Call gen_lowpart
2214 before calling simplify_shift_const.
2216 2006-05-14 Roger Sayle <roger@eyesopen.com>
2218 PR rtl-optimization/22563
2219 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2220 a fixed width bitfield, always force the intermediates into psuedos.
2222 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2225 * mkconfig.sh: Use operator = instead of == for test.
2227 2006-05-13 Nick Clifton <nickc@redhat.com>
2229 * dwarf2out.c (dbx_reg_number): Check return value from
2230 LEAF_REG_REMAP and only use it if it is valid.
2231 (multiple_reg_loc_descriptor): Likewise.
2233 2006-05-13 Richard Guenther <rguenther@suse.de>
2235 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2238 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2240 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2241 information attached to non-INSNs such as NOTEs.
2242 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2244 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2246 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2248 * config/s390/s390.md: Adjust comment describing On constraint.
2250 2006-05-11 Jan Hubicka <jh@suse.cz>
2252 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2253 to be output at -O0.
2255 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2258 * fold-const.c (size_binop): Move sanity check for arguments to
2259 the beginning of the function.
2262 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2265 2006-05-11 Richard Guenther <rguenther@suse.de>
2268 * fold-const.c (fold_unary): Handle intermediate conversion
2269 to a pointer type like intermediate conversion to an integer
2270 type in folding of (T1)(T2)var to var.
2271 Match the code to the comment in the final conversion for
2272 (T1)(T2)var to (T1)var regarding to type precision. Rather
2273 than disallow T1 being of pointer type, assert that both T1
2274 and var are of pointer type or not. Make sure not to fall
2275 over the frontends lazyness wrt array to pointer decay though.
2277 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2279 * arm.c (arm_struct_value_rtx): Delete.
2280 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2281 (arm_init_cumulative_args): Always initialize nregs to zero.
2283 2006-05-10 Richard Guenther <rguenther@suse.de>
2285 PR tree-optimization/27532
2286 * tree-object-size.c (plus_expr_object_size): Fix typo.
2288 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2291 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2292 ashrdi_const, ashrdi3): Use a scratch register.
2294 2006-05-10 Richard Guenther <rguenther@suse.de>
2296 PR tree-optimization/27302
2297 * fold-const.c (operand_equal_p): For two comparisons,
2298 try comparison of one comparison code swapped if that yields
2301 2006-05-10 Ben Elliston <bje@au.ibm.com>
2303 * tree-pretty-print.c (pretty_print_string): No need to handle
2304 '\0' as a special character.
2306 * tree.h: Include "hashtab.h".
2307 (iterative_hash_expr): Use hashval_t in its prototype.
2308 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2310 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2313 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2314 (hppa*64*-*-hpux11*): Ditto.
2315 (hppa[12]*-*-hpux11*): Ditto.
2317 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2320 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2322 2006-05-09 Michael Matz <matz@suse.de>
2324 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2325 host_extra_gcc_objs and host_xmake_file.
2326 (<*-*-linux*>): Don't overwrite host_xmake_file.
2327 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2328 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2329 (host_detect_local_cpu): Declare.
2330 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2331 * config/i386/i386.c (override_options): Handle -mtune=native
2333 * config/i386/x-i386: New file.
2334 * config/i386/driver-i386.c: New file.
2335 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2338 2006-05-09 Dirk Mueller <dmueller@suse.de>
2339 Richard Guenther <rguenther@suse.de>
2342 * fold-const.c (fold_read_from_constant_string): Relax check
2343 for matching types to matching modes.
2345 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2347 PR rtl-optimization/27335
2348 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2351 2006-05-08 Chao-ying Fu <fu@mips.com>
2352 Richard Sandiford <richard@codesourcery.com>
2354 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2355 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2356 * config/mips/mips.md (UNSPEC_SCC): New constant.
2357 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2358 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2359 (mips_emit_compare): Use it.
2360 (mips_expand_vcondv2sf): New function.
2362 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2364 Fix PR tree-optimization/27093
2365 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2366 renaming when they become not-used_alone.
2368 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2370 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2371 relocation and relocation stubs.
2373 2006-05-08 Eric Christopher <echristo@apple.com>
2375 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2378 2006-05-08 Jan Hubicka <jh@suse.cz>
2381 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2382 unused static functions are needed.
2384 2006-05-08 Roger Sayle <roger@eyesopen.com>
2387 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2388 of a reg_equiv_constant if the result is a legitimate constant.
2390 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2393 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2394 standard 80387 constants, raise the cost to prevent
2395 compress_float_constant() to generate load from memory.
2397 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2399 * config/arm/constraints.md (c): Fix a typo.
2401 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2404 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2407 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2409 (_mm_mwait): Likewise.
2411 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2413 (sse3_monitor): Make it 32bit only.
2414 (sse3_monitor64): New. 64bit monitor.
2416 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2419 * config/i386/i386.c (classify_argument): Skip fields with invalid
2422 2006-05-07 Richard Guenther <rguenther@suse.de>
2424 PR tree-optimization/27409
2425 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2426 Do not try to find zero-sized subvars.
2428 2006-05-07 Richard Guenther <rguenther@suse.de>
2430 PR tree-optimization/27136
2431 * tree-ssa-loop-niter.c (get_val_for): Correct function
2432 comment, assert requirements.
2433 (loop_niter_by_eval): Stop processing if the iterated
2434 value did not simplify.
2436 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2438 * opts.c (flag_see): remove its setting at -O3.
2440 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2442 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2443 * arm/constraints.md: New file.
2444 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2445 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2446 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2447 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2448 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2449 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2450 * arm.md: Include constraints.md.
2451 (thumb_movsi_insn): Use satisfies_constraint_J.
2452 (movhi, movqi): Use satisfies_constraint_I.
2454 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2456 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2457 for atmeg a645 device.
2459 2006-05-06 Richard Guenther <rguenther@suse.de>
2461 PR tree-optimization/27151
2462 * tree-vect-transform.c (vectorizable_condition): Punt on
2463 values that have a different type than the condition.
2465 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2468 * c-parser.c (c_parser_cast_expression): Only insert casts into
2469 hash table if pointer.
2470 * function.c (used_types_insert_helper): Rename from
2472 (used_types_insert): Call used_types_insert_helper.
2473 * function.h (used_types_insert): Accept only one argument.
2475 2006-05-05 David Edelsohn <edesohn@gnu.org>
2477 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2478 scratch with output modifier.
2480 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2483 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2484 with output modifier.
2486 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2489 * config/mips/mips.c (mips_symbolic_address_p): Return true
2490 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2491 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2493 2006-05-04 Richard Guenther <rguenther@suse.de>
2495 PR tree-optimization/14287
2496 PR tree-optimization/14844
2497 PR tree-optimization/19792
2498 PR tree-optimization/21608
2499 PR tree-optimization/27090
2500 * tree-ssa-pre.c (try_combine_conversion): New function.
2501 (compute_avail): After constructing the value-handle
2502 expression, use try_combine_conversion to combine NOP_EXPRs
2503 with previous value-handle expressions and use the result if it
2506 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2508 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2510 2006-05-04 Jan Hubicka <jh@suse.cz>
2513 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2515 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2517 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2518 that this only matches CONST_INTs. All users changed to VOIDmode
2521 * config/bfin/bfin.c: Include "optabs.h".
2522 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2524 (enum bfin_builtins): Add a number of fractional and vector builtins.
2525 (bfin_init_builtins): Likewise.
2526 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2527 (safe_vector_operand, bfin_expand_binop_builtin,
2528 bfin_expand_unop_builtin): New functions.
2529 (bfin_expand_builtin): Handle the new builtins.
2530 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2533 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2536 * Makefile.in (OBJS-common): Add see.o.
2537 (see.o): Add dependencies.
2538 * common.opt (fsee): New flag for the see optimization was added.
2539 * opts.c (flag_see): Initialized.
2540 * passes.c (init_optimization_passes, pass_see): New pass.
2541 * rtl.h (see_main): Declaration as extern.
2542 * timevar.def (TV_SEE): New.
2543 * tree-pass.h (pass_see): Declaration as extern.
2544 * invoke.texi (-fsee): Document.
2545 * recog.c (validate_simplify_insn): New function.
2546 * recog.h (validate_simplify_insn): Declaration as extern.
2547 * df-problems.c (df_chain_dump): Check for NULL.
2549 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2550 Daniel Berlin <dberlin@dberlin.org>
2552 * cfgrtl.c (insert_insn_bb_end_new): New function.
2553 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2555 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2557 * df.h (struct web_entry): Moved from web.c.
2558 (union_defs): Declaration as extern.
2559 (unionfind_root): Likewise.
2560 (unionfind_union): Likewise.
2561 * web.c (struct web_entry): Moved to df.h.
2562 (unionfind_root): Remove static declaration.
2563 (unionfind_union): Likewise.
2564 (union_defs): Likewise and generalize to use callback function.
2565 (web_main): Update arguments for union_defs function call.
2567 2006-05-04 Richard Guenther <rguenther@suse.de>
2569 PR tree-optimization/26447
2570 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2571 produce SSA_NAME copies before the store stmt to avoid
2572 breaking exception handling.
2574 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2577 * gimplify.c (omp_is_private): If var is shared in some outer context,
2578 return false instead of true. Stop searching on parallel context
2581 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2584 * coverage.c: Use get_gcov_unsigned_t() instead of
2585 unsigned_type_node all over.
2587 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2589 PR tree-optimization/27381
2590 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2591 maintain the same immediate_use links.
2592 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2593 node rather than segfaulting.
2595 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2598 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2599 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2600 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2602 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2604 Fix PR tree-optimization/26626
2605 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2607 * tree-ssa-operands.c (access_can_touch_variable): Allow
2608 typecasting through union pointers.
2610 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2613 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2614 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2615 to find if var will be a global variable even in the nested context.
2616 (omp_copy_decl): Only check for global variable at the end, it might
2617 be overridden in outer contexts.
2618 (scan_sharing_clauses): For global variables don't create a field.
2619 (lower_rec_input_clauses): Do nothing for global shared variables.
2620 Emit a barrier at the end of ILIST if there were any decls in both
2621 firstprivate and lastprivate clauses.
2622 (lower_send_clauses): Do nothing for global variables except for
2625 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2627 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2628 of the correct signedness is returned.
2630 2006-05-02 Jeff Law <law@redhat.com>
2632 PR tree-optimization/27364
2633 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2634 multiply expressions.
2636 2006-05-02 Tom Tromey <tromey@redhat.com>
2638 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2640 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2643 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2644 -mthumb -fPIC are used.
2646 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2647 Joshua Kinard <kumba@gentoo.org>
2650 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2651 with 64-bit pointers.
2653 2006-05-02 Paul Brook <paul@codesourcery.com>
2655 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2657 (create_fix_barrier): Check that a suitable barrier location is
2659 (arm_reorg): Include ftmp->address in allowable range of addresses.
2661 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2664 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2667 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2670 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2671 around RESULT_DECL for result passed by reference.
2672 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2673 * omp-low.c (use_pointer_for_field): Don't look at
2674 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2675 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2676 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2677 time or var for passing by reference for
2678 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2679 TREE_ADDRESSABLE variables when passing by reference.
2681 * omp-low.c (dump_omp_region): Fix output formatting.
2684 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2685 (expand_omp_parallel): Likewise.
2686 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2689 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2690 on statement list containing also constructors and destructors.
2691 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2694 * except.c (duplicate_eh_regions): Fix clearing of
2695 cfun->eh->region_array entries.
2697 2006-05-01 DJ Delorie <dj@redhat.com>
2699 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2701 (gcc_cv_objdump): Likewise.
2702 * configure: Regenerated.
2704 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2707 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2708 templates for case 3 and 4.
2710 2006-05-01 DJ Delorie <dj@redhat.com>
2712 * vec.c: Include bconfig.h when appropriate.
2713 * Makefile.in (build/vec.o): Adjust dependencies.
2714 * mkconfig.sh: Make sure config.h isn't used for build machine
2717 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2719 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2721 (mark_phi_for_rewrite): New function.
2722 (insert_phi_nodes_for, mark_use_interesting): Call
2723 mark_phi_for_rewrite.
2724 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2725 (update_ssa): Initialize and free phis_to_rewrite.
2727 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2729 PR rtl-optimization/27291
2730 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2731 folded to a constant.
2733 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2735 PR tree-optimization/27283
2736 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2737 not whole # of iteration descriptions.
2738 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2739 uses abnormal ssa name.
2740 (niter_for_single_dom_exit): Ditto.
2741 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2742 return just the number of iterations.
2744 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2746 PR tree-optimization/27144
2747 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2748 (record_estimate): Only record constant upper bound.
2749 (infer_loop_bounds_from_undefined): Call
2750 compute_estimated_nb_iterations just once.
2751 (proved_non_wrapping_p): Renamed to ...
2752 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2753 (convert_step_widening, scev_probably_wraps_p): Call
2754 n_of_executions_at_most instead of proved_non_wrapping_p.
2755 (substitute_in_loop_info): Do not replace values in bounds.
2756 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2759 2006-05-01 Richard Henderson <rth@redhat.com>
2762 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2763 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2766 2006-05-01 Roger Sayle <roger@eyesopen.com>
2768 * c-typeck.c (parser_build_binary_op): Don't call the function
2769 unsigned_conversion_warning to spot operand/result type overflow.
2770 (build_binary_op): Instead, call convert_and_check instead of
2771 convert to report the problem when the operands are promoted.
2772 * c-common.c (unsigned_conversion_warning): Make static.
2773 * c-common.h (unsigned_conversion_warning): Delete prototype.
2775 2006-05-01 Richard Guenther <rguenther@suse.de>
2777 PR tree-optimization/26726
2778 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2780 (find_interesting_uses_address): ... we work around here
2781 by folding INDIRECT_REFs in the substituted base.
2783 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2785 * omp-low.c (dump_omp_region): Add newlines.
2787 2006-04-30 Roger Sayle <roger@eyesopen.com>
2789 * common.opt (Woverflow): New command line option.
2790 * c-common.c (constant_expression_warning): Check warn_overflow.
2791 (overflow_waring): Pass OPT_Woverflow to warning.
2792 (unsigned_conversion_warning): Likewise.
2793 (convert_and_check): Likewise.
2794 * doc/invoke.texi: Document new command line option.
2796 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2798 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2799 TARGET_NO_FP_IN_TOC for section anchors.
2800 (optimization_options): Enable section anchors for all
2801 non-"Objective" languages.
2803 2006-04-28 Eric Christopher <echristo@apple.com>
2805 * config/darwin-c.c (darwin_ms_struct): Move this
2806 (darwin_set_default_type_attributes): and this...
2807 * config/darwin.c: ... here.
2808 * config/darwin.h (darwin_ms_struct): Declare.
2810 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2812 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2814 2006-04-28 Roger Sayle <roger@eyesopen.com>
2817 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2818 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2819 an unsigned HOST_WIDE_INT.
2820 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2822 (really_start_incremental_init): No need to call convert because
2823 bitsize_zero_node is already of type bitsizetype.
2824 (push_init_level): Extract the value of constructor_index as an
2825 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2826 (process_init_element): Likewise.
2828 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2830 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2831 value before passing to make_relative_prefix.
2833 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2836 * builtins.c (expand_builtin_memset): Expand val in original mode.
2838 2006-04-27 Eric Christopher <echristo@apple.com>
2840 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2841 with #ifndef/#endif.
2842 * config/darwin-c.c (darwin_ms_struct): New.
2843 (darwin_pragma_ms_struct): Ditto.
2844 (darwin_set_default_type_attributes): Ditto.
2845 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2846 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2847 Register ms_struct pragma.
2848 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2849 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2850 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2851 darwin_set_default_type_attributes if TARGET_MACHO.
2853 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2855 PR tree-optimization/26854
2856 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2857 * doc/tree-ssa.texi: Update immuse iterator documentation.
2858 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2859 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2860 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2861 first_safe_imm_use, next_safe_imm_use): Remove.
2862 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2863 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2864 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2865 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2866 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2867 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2868 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2869 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2870 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2871 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2872 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2873 (perfect_nestify): Use new iterator.
2874 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2876 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2877 (next_imm_name): New field in struct immediate_use_iterator_d.
2878 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2879 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2880 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2881 * tree-cfg.c (replace_uses_by): Use new iterator.
2882 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2883 * tree-ssa-operands.c (correct_use_link): Remove.
2884 (finalize_ssa_use_ops): No longer call correct_use_link.
2886 2006-04-27 Stuart Hastings <stuart@apple.com>
2888 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2889 * config/t-darwin (crt3.o): Use it.
2890 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2891 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2892 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2893 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2894 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2897 2006-04-27 Roger Sayle <roger@eyesopen.com>
2899 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2900 size, force the intermediate into a new pseudo rather instead of
2901 performing both a bitwise AND and a bitwise IOR in memory.
2903 2006-04-27 Richard Guenther <rguenther@suse.de>
2905 PR rtl-optimization/26685
2906 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2907 this one "max-flow-memory-locations".
2909 2006-04-27 Richard Guenther <rguenther@suse.de>
2911 PR tree-optimization/25148
2912 * tree-vrp.c (compare_values): Remove code dealing with
2913 comparisons against type min/max value. Honour overflow
2914 and negative constants in code dealing with comparisons
2915 of plus and minus expressions.
2916 (value_inside_range): Use fold_binary with LE_EXPR and
2917 GE_EXPR rather than compare_values.
2919 2006-04-27 Dirk Mueller <dmueller@suse.de>
2921 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2924 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2926 * basic-block.h (safe_insert_insn_on_edge): Removed.
2927 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2929 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2930 Paolo Bonzini <bonzini@gnu.org>
2933 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2934 (simplify_and_const_int): Same.
2936 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2938 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2940 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2943 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2944 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2945 cgraph_global_info_ready.
2948 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2951 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2952 either decl or init is error_mark_node.
2955 * tree-flow.h (struct omp_region): Add sched_kind.
2956 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2957 instead of extracting omp for data.
2958 (expand_omp_for): Save extracted sched_kind.
2960 2006-04-25 Roger Sayle <roger@eyesopen.com>
2962 * expmed.c (store_bit_field): Also check whether the bitsize is
2963 valid for the machine's "insv" instruction before moving the
2964 target into a pseudo for use with the insv.
2965 * config/i386/predicates.md (const8_operand): New predicate.
2966 * config/i386/i386.md (extv, extzv, insv): Use the new
2967 const8_operand predicate where appropriate.
2969 2006-04-25 DJ Delorie <dj@redhat.com>
2971 * doc/install.texi (Specific): Clarify that this is not a list of
2972 supported hosts or targets.
2974 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2976 PR rtl-optimization/26725
2977 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2978 block's BB_DIRTY flag.
2980 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2982 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2985 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2986 to print an integer.
2988 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2990 * varasm.c (align_variable): New function.
2991 (get_block_for_decl): Apply align_variable to DECL before
2992 calculating section information.
2993 (assemble_variable): Split out alignment computation.
2995 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2997 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3000 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3002 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3003 MODE_PARTIAL_INT mode.
3004 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3005 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3007 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3008 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3010 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3012 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3014 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3015 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3016 MACFLAG_IH): Likewise.
3017 (movstricthi_1): Renamed from "*movstricthi".
3018 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3019 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3020 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3021 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3022 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3023 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3024 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3025 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3026 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3027 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3028 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3029 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3030 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3031 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3032 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3034 * doc/rtl.texi (ss_ashift): Improve wording.
3036 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3038 * dwarf2out.c (verify_marks_clear): New.
3039 (prune_unused_types): Call verify_marks_clear initially, not
3042 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3044 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3045 * doc/rtl.texi: Document them.
3046 * simplify-rtx.c (simplify_unary_operation,
3047 simplify_binary_operation_1): Don't abort when we see them.
3049 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3052 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3053 * configure.ac: Completely disregard languages that are not
3055 * configure: Regenerated.
3057 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3058 Richard Guenther <rguenther@suse.de>
3060 PR tree-optimization/27236
3061 * tree-inline.c (copy_body_r): Make sure to copy
3062 TREE_THIS_VOLATILE flag.
3064 2006-04-24 Richard Guenther <rguenther@suse.de>
3067 * tree-complex.c (update_parameter_components): Don't handle
3068 unused parameters which have no default def.
3070 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3071 Richard Guenther <rguenther@suse.de>
3073 PR tree-optimization/27218
3074 * tree-inline.c (expand_call_inline): Strip useless type
3075 conversions for the return slot address.
3077 2006-04-24 Richard Guenther <rguenther@suse.de>
3079 * cfgloop.h (struct loops): Remove unused field array. Reorder
3081 (LOOP_PREFETCH): Remove.
3083 2006-04-24 Richard Guenther <rguenther@suse.de>
3085 PR tree-optimization/22525
3086 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3087 variable, adjust types of generated expressions.
3089 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3091 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3092 (tree-vect-patterns.o): Likewise.
3094 (cselib.o): Likewise.
3095 (loop-doloop.o): Likewise.
3096 (regclass.o): Likewise.
3097 (reload1.o): Likewise.
3098 (explow.o): Replace target.h with $(TARGET_H).
3099 (ipa-prop.o): Likewise.
3100 (ipa-cp.o): Likewise.
3101 (ipa-inline.o): Likewise.
3102 (reorg.o): Likewise.
3103 (reg-stack.o): Likewise.
3105 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3107 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3109 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3111 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3113 * configure.ac: Completely disregard languages that are not
3115 * configure: Regenerated.
3118 * c-common.h (c_build_bitfield_integer_type): Declare.
3119 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3120 * c-common.c (c_build_bitfield_integer_type): ... here.
3122 2006-04-23 Roger Sayle <roger@eyesopen.com>
3125 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3126 a SImode SUBREG of a floating point register after no_new_pseudos.
3128 2006-04-23 Roger Sayle <roger@eyesopen.com>
3130 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3131 identify potentially eliminable registers to additionally catch
3132 VIRTUAL_INCOMING_ARGS_REGNUM.
3133 (addsi3): Update the conditions on when to use addsi_small_int.
3135 2006-04-23 Roger Sayle <roger@eyesopen.com>
3138 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3139 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3140 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3142 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3144 * fold-const.c (range_predecessor): Use operand_equal_p
3145 as the predicate for equality.
3146 (range_successor): Likewise.
3148 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3151 * config/soft-fp/op-common.h: Fix a typo.
3153 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3156 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3157 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3159 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3161 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3163 * doc/tm.texi: Fix a typo.
3165 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3167 * dwarf2out.c (struct die_struct): Document that die_sib makes
3168 a circular linked list.
3169 (FOR_EACH_CHILD): New.
3170 (reverse_die_lists): Delete.
3171 (reverse_all_dies): Delete.
3172 (add_dwarf_attr): Correct documentation.
3173 (remove_child_with_prev): New.
3174 (remove_child_TAG): Update for change to die_struct, use
3175 remove_child_with_prev.
3176 (add_child_die): Update for change to die_struct.
3177 (splice_child_die): Use remove_child_with_prev and add_child_die.
3178 (print_die): Use FOR_EACH_CHILD.
3179 (die_checksum): Likewise.
3180 (assign_symbol_names): Likewise.
3181 (output_location_lists): Likewise.
3182 (build_abbrev_table): Likewise.
3183 (calc_die_sizes): Likewise.
3184 (mark_dies): Likewise.
3185 (unmark_dies): Likewise.
3186 (unmark_all_dies): Likewise.
3187 (output_die): Likewise.
3188 (prune_unused_types_mark): Likewise.
3189 (prune_unused_types_walk): Likewise.
3190 (same_die_p): Update for change to die_struct.
3191 (break_out_includes): Likewise.
3192 (prune_unused_types_prune): Likewise.
3193 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3194 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3196 (dwarf2out_finish): Don't call reverse_all_dies.
3198 2006-04-21 Eric Christopher <echristo@apple.com>
3200 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3201 in comments and function names.
3203 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3206 * c-typeck.c (digest_init): Robustify.
3208 * c-typeck.c (pop_init_level): Simplify.
3210 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3212 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3214 2006-04-21 Paul Brook <paul@codesourcery.com>
3216 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3217 hardware floating point.
3219 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3221 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3224 2006-04-21 Nick Clifton <nickc@redhat.com>
3226 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3229 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3232 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3233 C++ lang type in traceback table for Objective-C++.
3235 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3237 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3239 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3241 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3244 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3245 were errors. Remove check for erroneous objects.
3247 2006-04-20 Jeff Law <law@redhat.com>
3249 PR tree-optimization/26854
3250 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3251 checking for zero or one use.
3252 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3253 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3254 * tree-ssa-reassoc.c (negate_value): Similarly.
3255 (reassociate_bb): Similarly.
3257 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3259 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3260 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3261 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3263 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3265 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3266 fp regs if the last fp arg doesn't fit in regs.
3268 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3271 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3272 that the last insn has the REG_INC note.
3274 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3275 Nathan Sidwell <nathan@codesourcery.com>
3278 * stor-layout.c (update_alignment_for_field): Do not align
3280 (place_union_field): Place union field at the start of the union.
3281 (place_field): Move ERROR_MARK check later, and use the current
3282 allocation position to maintain monotonicity.
3284 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3286 * dominance.c: Include timevar.h.
3287 (calculate_dominance_info): Use TV_DOMINANCE.
3288 * timevar.def (TV_DOMINANCE): New timevar.
3289 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3291 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3293 PR rtl-optimization/14261
3294 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3295 move would be an INSV insn.
3296 (noce_process_if_block): Don't optimize if the destination is a
3297 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3299 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3301 * config/s390/s390.md: Add comments with the instructions emitted
3302 by an insn pattern if macros are used.
3304 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3306 PR rtl-optimization/26026
3307 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3308 is a known power of two shifted left a variable amount.
3310 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3312 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3313 to hash table twice when the debug_str section has SECTION_MERGE.
3315 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3317 * config/soft-fp: New directory. From glibc.
3318 * config/soft-fp/t-softfp: New.
3319 * config/soft-fp/README: New.
3320 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3321 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3322 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3323 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3324 * config.gcc: Use rs6000/t-fprules-fpbit or
3325 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3327 * config/rs6000/sfp-machine.h: New. Based on glibc.
3328 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3330 * config/rs6000/t-fprules: Remove fp-bit rules.
3331 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3332 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3333 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3334 (softfp_wrap_start, softfp_wrap_end): New.
3336 2006-04-18 DJ Delorie <dj@redhat.com>
3338 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3340 2006-04-18 Devang Patel <dpatel@apple.com>
3342 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3344 2006-04-18 Nick Clifton <nickc@redhat.com>
3346 * config/sh/t-symbian: Add rule to build sh-c.o
3347 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3348 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3349 (sh_symbian_encode_section_info): Likewise.
3351 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3353 * builtins.c (expand_builtin_strcmp): Cover label definition of
3354 do_libcall with HAVE_cmpstrnsi.
3356 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3358 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3360 * function.h (temp_slot_p): New.
3361 (function): Change the type of x_used_temp_slots to
3362 VEC(temp_slot_p,gc) *.
3364 2006-04-18 Nick Clifton <nickc@redhat.com>
3366 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3367 flag_strength_reduce.
3369 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3371 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3375 Partial revert of revision 112637
3376 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3377 Dale Johannesen <dalej@apple.com>
3380 * regclass.c (struct reg_pref): Update documentation.
3381 (regclass): Set prefclass to NO_REGS if memory is the best option.
3382 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3384 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3386 PR tree-optimization/26821
3387 * tree-ssa-math-opts.c (get_constant_one): New.
3388 (insert_reciprocals): Use it.
3390 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3392 * dwarf2out.c (free_AT): Delete.
3393 (remove_AT): Update string ref counts.
3394 (remove_child_TAG): Don't call free_die.
3396 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3397 or DW_TAG_GNU_EINCL.
3398 (prune_unused_types_walk_attribs): Reset string refcounts.
3399 (prune_unused_types_update_strings): New.
3400 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3401 call free_die. Do call prune_unused_types_update_strings.
3402 (prune_unused_types): Empty debug_str_hash.
3404 2006-04-17 Roger Sayle <roger@eyesopen.com>
3406 * expr.c (expand_assignment): Optimize away no-op moves where the
3407 source and destination are equal and have no side-effects.
3409 2006-04-17 Richard Guenther <rguenther@suse.de>
3412 * reload.c (push_reload): Guard calls to get_secondary_mem
3415 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3417 * alias.c (reg_base_value, old_reg_base_value): Change the
3418 type to VEC(rtx,gc) *.
3419 (REG_BASE_VALUE, find_base_value, record_set,
3420 init_alias_analysis): Use VEC instead of VARRAY.
3422 * alias.c (alias_sets): Change the type to
3423 VEC(alias_set_entry,gc) *.
3424 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3425 VEC instead of VARRAY.
3426 (last_alias_set): Remove.
3428 * cgraph.h (cgraph_edge_p): New.
3429 Update the prototype of cgraph_function_versioning.
3430 * cgraphunit.c (cgraph_copy_node_for_versioning,
3431 cgraph_function_versioning): Use VEC instead of VARRAY.
3432 * ipa-cp.c (ipcp_insert_stage): Likewise.
3434 2006-04-16 Roger Sayle <roger@eyesopen.com>
3437 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3438 "A op B" or "A op C", we may need to convert A to the type of B and C.
3440 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3442 * target.h (struct gcc_target): Add mode_rep_extended.
3443 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3444 (init_num_sign_bit_copies_in_rep): Initialize it using
3446 (truncate_to_mode): Use it.
3447 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3448 * targhooks.h (default_mode_rep_extended): Declare it.
3449 * targhooks.c (default_mode_rep_extended): Define it.
3450 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3451 default_mode_rep_extended.
3452 (TARGET_INITIALIZER): Include it.
3453 * doc/tm.texi (Misc): Document it.
3454 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3455 (mips_truncated_to_mode): New function.
3457 2006-04-16 Roger Sayle <roger@eyesopen.com>
3460 * expr.c (compress_float_constant): Copy the narrow constant into
3461 a new pseudo before extending it to its final width.
3463 2006-04-16 Roger Sayle <roger@eyesopen.com>
3464 Andrew Pinski <pinskia@gcc.gnu.org>
3465 Dale Johannesen <dalej@apple.com>
3468 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3469 special case code to implement V8HImode and V16QImode with SSE2.
3471 2006-04-15 Roger Sayle <roger@eyesopen.com>
3473 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3474 trees are constructed with a suitable tree type.
3476 2006-04-15 Roger Sayle <roger@eyesopen.com>
3478 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3479 (integer_onep): Likewise.
3480 (integer_all_onesp): Likewise.
3481 (integer_pow2p): Likewise.
3482 (integer_nonzerop): Likewise.
3483 (real_zerop): Likewise.
3484 (real_onep): Likewise.
3485 (real_twop): Likewise.
3486 (real_minus_onep): Likewise.
3487 (int_size_in_bytes): Likewise.
3488 (host_integerp): Likewise.
3490 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3492 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3493 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3494 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3496 * tree-ssa-structalias.h (alias_info): Remove num_references.
3498 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3500 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3501 (output_bvb patterns): Likewise.
3502 * pa.c (output_bb): Use 'bb' insn for long branch case.
3503 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3504 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3505 1. Correct length operand for alternatives 1 and 2.
3506 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3507 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3509 2006-04-14 Roger Sayle <roger@eyesopen.com>
3511 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3512 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3513 were accidentally reverted by r112959.
3515 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3518 * except.h (eh_region_outermost): New prototype.
3519 * except.c (eh_region_outermost): New function.
3520 * tree-cfg.c (find_outermost_region_in_block): Use it.
3522 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3524 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3526 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3527 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3528 (init_reload, reload): Use VEC instead of VARRAY.
3529 * reload.h: Update the prototype for
3530 reg_equiv_memory_loc_varray.
3532 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3533 Eric Botcazou <ebotcazou@libertysurf.fr>
3535 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3538 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3541 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3542 to expand fallback builtin function call.
3544 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3547 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3548 and emit libcall here in case the builtin fails.
3549 (expand_builtin_strcmp): Always emit the libcall here on failure.
3551 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3553 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3554 * flow.c (reg_n_info): Change the type to
3555 VEC(reg_info_p,heap) *.
3556 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3558 * regs.h (reg_info_p): New.
3559 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3560 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3561 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3564 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3566 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3568 * params.h (MAX_SCHED_READY_INSNS): New macro.
3569 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3570 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3571 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3572 the ready list for 1 cycle during the first scheduling pass.
3573 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3575 2006-04-13 Richard Henderson <rth@redhat.com>
3578 * gimple-low.c (lower_omp_directive): Remove dead code.
3579 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3580 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3581 * omp-low.c (struct omp_region): Move to tree-flow.h.
3582 (root_omp_region): Export.
3583 (omp_regions, lookup_omp_region): Remove.
3584 (determine_parallel_type): Update for struct omp_region changes.
3585 (dump_omp_region): Dump regions with block numbers.
3586 (new_omp_region): Take type and block instead of stmt; malloc
3588 (free_omp_region_1, free_omp_regions): New.
3589 (expand_parallel_call): Take entry_stmt as argument; update for
3590 changes to omp_region.
3591 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3592 (remove_exit_barriers): New.
3593 (expand_omp_parallel): Update for struct omp_region changes.
3594 (expand_omp_synch): Likewise.
3595 (expand_omp): Likewise.
3596 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3597 (expand_omp_for_static_chunk): Likewise.
3598 (expand_omp_for): Likewise.
3599 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3600 (expand_omp_sections): Similarly, with GOMP_sections_end.
3601 (expand_omp_single): New.
3602 (build_omp_regions_1): Update for OMP_CONTINUE.
3603 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3604 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3605 OMP_SECTIONS_SECTIONS.
3606 (lower_omp_single_simple): Don't emit barrier here.
3607 (lower_omp_single_copy): Likewise.
3608 (lower_omp_single): Fix bindings, and lower to straightline now.
3609 (lower_omp_master, lower_omp_ordered): Likewise.
3610 (lower_omp_critical): Likewise.
3611 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3612 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3613 omp edges, free it afterward.
3614 (make_omp_sections_edges): Remove.
3615 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3616 (move_stmt_r): Handle OMP_CONTINUE.
3617 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3618 statement pointers to basic blocks. Add type member.
3619 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3620 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3621 * tree-inline.c (estimate_num_insns_1): Likewise.
3622 * tree-pretty-print.c (dump_generic_node): Likewise.
3623 * tree-ssa-operands.c (get_expr_operands): Likewise.
3624 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3625 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3626 (OMP_CONTINUE): New.
3627 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3628 (OMP_SECTIONS_SECTIONS): Remove.
3629 (OMP_SECTION_LAST): New.
3630 (OMP_RETURN_NOWAIT): New.
3632 2006-04-13 Roger Sayle <roger@eyesopen.com>
3634 * fold-const.c (native_encode_vector, native_interpret_real):
3635 Correct obvious mistakes in the previous check-in.
3637 2006-04-13 Roger Sayle <roger@eyesopen.com>
3639 * fold-const.c (native_encode_expr): New function to encode
3640 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3641 or VECTOR_CST into a specified buffer.
3642 (native_encode_int): New function.
3643 (native_encode_real): New function.
3644 (native_encode_complex): New function.
3645 (native_encode_vector): New function.
3646 (native_interpret_expr): Inverse of native_encode_expr to convert
3647 a target representation into an INTEGER_CST, REAL_CST etc...
3648 (native_interpret_int): New function.
3649 (native_interpret_real): New function.
3650 (native_interpret_complex): New function.
3651 (native_interpret_vector): New function.
3652 (fold_view_convert_expr): New function to constant fold/evaluate
3653 a VIEW_CONVERT_EXPR of a suitable constant expression.
3654 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3655 Change call of build1 to fold_build1 when constructing a
3658 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3659 Ulrich Weigand <uweigand@de.ibm.com>
3662 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3665 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3668 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3669 optimize to lo_sum for DFmode if !TARGET_FPRS.
3671 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3673 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3674 delete_alias_info, compute_flow_sensitive_aliasing,
3675 group_aliases): Use VEC instead of VARRAY.
3676 * tree-ssa-structalias.c (update_alias_info): Likewise.
3677 * tree-ssa-structalias.h (alias_info): Change the type of
3678 processed_ptrs to VEC(tree,heap) *.
3680 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3683 * config/sh/lib1funcs.h: New file, broken out of:
3684 * config/sh/lib1funcs.asm.
3685 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3687 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3688 * config/sh/lib1funcs-Os-4-200.asm: New file.
3689 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3690 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3691 (EXTRA_MULTILIB_PARTS): Include it.
3692 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3693 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3694 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3695 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3698 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3700 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3701 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3702 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3704 * tree-ssa-live.h: Include vecprim.h.
3705 (tree_partition_associator_d): Change the type of
3706 first_partition to VEC(int,heap) *.
3707 (tpa_first_partition): Use VEC instead of VARRAY.
3709 * Makefile.in (GTFILES): Move functions.h after tree.h.
3710 * function.c (reset_block_changes, record_block_change,
3711 check_block_change, free_block_changes): Use VEC instead of
3713 * function.h (function): Change the type of
3714 ib_boundaries_block to VEC(tree,gc) *.
3715 * tree-inline.c (copy_cfg_body): Initialize
3716 ib_boundaries_block to NULL instead of (varray_type) 0.
3718 2006-04-12 Roger Sayle <roger@eyesopen.com>
3720 * expr.c (emit_group_store): Correct operand order in call to
3721 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3722 a SUBREG_BYTE of zero.
3724 2006-04-12 Richard Guenther <rguenther@suse.de>
3726 * profile.c (compute_branch_probabilities): Remove code
3727 encapsulated in !ir_type (), which are remanents of the
3728 removed RTL profiling code.
3729 * rtl-profile.c: Remove.
3731 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3733 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3734 magic NULL_RTX comment.
3735 (function_arg): Store entire fp arg to mem if any part should go
3737 (rs6000_arg_partial_bytes): Adjust for above change.
3739 2006-04-11 Roger Sayle <roger@eyesopen.com>
3741 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3742 if it hasn't been initialized by dwarf2out_init.
3744 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3746 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3747 symbolic constants in branch patterns.
3749 2006-04-11 Roger Sayle <roger@eyesopen.com>
3751 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3753 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3755 PR rtl-optimization/27073
3756 * gcse.c (try_replace_reg): Revert last change. Continue to search
3757 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3760 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3762 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3763 aggregate types other than record and union types.
3764 (function_arg): Likewise.
3765 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3767 (function_value): In 64-bit mode, return objects that require it
3770 2006-04-11 Roger Sayle <roger@eyesopen.com>
3772 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3774 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3776 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3778 2006-04-03 Jeff Law <law@redhat.com>
3781 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3782 alias information too.
3784 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3786 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3788 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3791 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3792 (premark_used_types_helper): New.
3793 (premark_used_types): New.
3794 (gen_subprogram_die): Call premark_used_types.
3795 (prune_unused_types_walk): Do not prune perennial dies.
3796 * function.c (used_types_insert): New.
3797 * function.h (struct function): Add used_types_hash field.
3798 (used_types_insert): Add prototype.
3799 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3800 * c-parser.c (c_parser_cast_expression): Save casted types in used
3803 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3806 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3807 rs6000_explicit_options.float_gprs.
3809 2006-04-10 Roger Sayle <roger@eyesopen.com>
3811 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3812 from ix86_expand_vector_init_low_nonzero. Take an additional
3813 one_var argument indicating which element is non-zero. Support
3814 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3815 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3816 with one_var instead of ix86_expand_vector_init_low_nonzero.
3818 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3820 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3821 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3822 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3823 build/genextract.o): Depend on vecprim.h.
3824 * cfglayout.c, df-problems.c, function.c, genextract.c,
3825 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3826 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3830 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3832 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3833 Declare VECs of this type.
3834 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3835 (remove_children): Delete.
3836 (add_dwarf_attr): Use VEC routines.
3837 (add_AT_flag): Update for changes to add_dwarf_attr.
3838 (add_AT_int): Likewise.
3839 (add_AT_unsigned): Likewise.
3840 (add_AT_long_long): Likewise.
3841 (add_AT_vec): Likewise.
3842 (add_AT_string): Likewise.
3843 (add_AT_die_ref): Likewise.
3844 (add_AT_fde_ref): Likewise.
3845 (add_AT_loc): Likewise.
3846 (add_AT_loc_list): Likewise.
3847 (add_AT_addr): Likewise.
3848 (add_AT_lbl_id): Likewise.
3849 (add_AT_lineptr): Likewise.
3850 (add_AT_macptr): Likewise.
3851 (add_AT_offset): Likewise.
3852 (add_AT_range_list): Likewise.
3853 (get_AT): Use VEC_iterate.
3854 (remove_AT): Use VEC_ordered_remove.
3855 (free_die): Fold remove_children into here; have it use VEC_iterate.
3856 (print_die): Use VEC_iterate on attrs.
3857 (reverse_die_lists): Don't reverse attr lists.
3858 (die_checksum): Use VEC_iterate on attrs.
3859 (same_die_p): Likewise.
3860 (output_location_lists): Likewise.
3861 (build_abbrev_table): Likewise.
3862 (size_of_die): Likewise.
3863 (unmark_all_dies): Likewise.
3864 (output_abbrev_section): Likewise.
3865 (output_die): Likewise.
3866 (prune_unused_types_walk_attribs): Likewise.
3868 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3870 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3872 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3875 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3877 2006-04-09 Roger Sayle <roger@eyesopen.com>
3879 * expr.c (store_constructor): Don't bother clearing target if
3880 we're about to assign a vector to it using vec_init_optab.
3882 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3884 * tree-ssa-alias.c (lhs_may_store_to): New function.
3885 (recalculate_used_alone): Handle LHS of calls.
3887 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3891 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3892 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3893 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3894 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3895 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3896 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3897 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3898 stubs. Add ".align 8" directives before all ".dword" directives.
3899 (GTHREAD_USE_WEAK): Revise comment.
3900 (TARGET_ATTRIBUTE_WEAK): Define.
3901 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3902 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3903 * stublib.c: New file.
3908 * pa.md (cbranch patterns): Revise arguments used in calls to
3909 output_cbranch, output_bb and output_bvd. Add long branch length
3911 (fbranch patterns): Handle long branches.
3912 (jump): Revise length check. Revise arguments for output_lbranch call.
3913 Add long branch length attributes.
3914 (decrement_and_branch_until_zero): Add long branch length attributes.
3915 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3916 Likewise. Revise arguments for output_parallel_addb and
3917 output_parallel_movb calls.
3918 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3919 output_parallel_movb and output_parallel_addb): Update prototypes.
3920 * pa.c (output_cbranch): Revise arguments. Correct handling of
3921 nullification in long branches.
3922 (output_lbranch): Add new argument to control extraction of delay
3924 (output_bb): Handle long branches.
3925 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3926 output_parallel_addb): Likewise.
3928 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3930 PR rtl-optimization/27073
3931 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3934 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3936 * tree.h (tree_memory_tag): Add old_used_alone.
3937 (SMT_OLD_USED_ALONE): New macro.
3938 * tree-ssa-alias.c (recalculate_used_alone): Stop
3939 marking things for renaming unnecessarily.
3941 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3943 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3944 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3945 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3946 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3947 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3948 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3949 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3950 spelling convensions.
3951 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3952 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3953 typos. Follow spelling conventions.
3955 2006-04-07 DJ Delorie <dj@redhat.com>
3957 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3958 passed on the stack.
3959 (m32c_init_cumulative_args): When a function returns a structure,
3960 always pass the pointer to that return area on the stack.
3961 (m32c_function_arg_advance): Don't increment the parameter number
3962 if we're processing the returned structure pointer.
3963 (pushm_info): Reverse order of registers.
3965 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3967 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3968 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3969 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3970 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3972 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3973 chrec_fold_multiply): Same.
3974 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3975 force_expr_to_var_cost): Same.
3976 * tree-mudflap.c (mf_xform_derefs_1): Same.
3977 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3979 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3981 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3982 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3985 2006-04-07 Jan Hubicka <jh@suse.cz>
3987 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3989 2006-04-07 Richard Guenther <rguenther@suse.de>
3991 PR tree-optimization/26135
3992 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3993 loads for store copy-prop.
3994 (copy_prop_visit_stmt): Likewise.
3996 2006-04-05 Robert Millan <robertmh@gnu.org>
3998 * config/i386/linux.h: Add a comment to mark macros that are
3999 being overriden in config/k*bsd-gnu.h.
4000 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4002 * config/knetbsd-gnu.h: Ditto.
4004 2006-04-06 Jan Hubicka <jh@suse.cz>
4008 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4011 2006-04-06 Mike Stump <mrs@apple.com>
4013 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4014 for HAVE_nonlocal_goto to be consistent.
4015 (expand_builtin_nonlocal_goto): Likewise.
4016 (expand_builtin_strcmp): Use #ifdef instead of #if
4017 for HAVE_cmpstrnsi to be consistent.
4019 2006-04-05 DJ Delorie <dj@redhat.com>
4021 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4024 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4026 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4027 got-relative addressing for anything but SImode.
4029 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4030 even if the calling function doesn't modify them.
4032 2006-04-05 Richard Guenther <rguenther@suse.de>
4034 PR tree-optimization/26919
4035 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4036 to cgraph_estimate_size_after_inlining.
4038 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4040 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4042 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4044 PR tree-optimization/26996
4045 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4046 VECTOR_TYPE variables.
4048 2006-04-05 Richard Guenther <rguenther@suse.de>
4050 PR tree-optimization/26763
4051 * fold-const.c (fold_comparison): Move folding of
4052 PTR + CST CMP PTR + CST ...
4053 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4055 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4057 * doc/install.texi (Prerequisites): Refine some wording on
4058 bootstrapping and ksh.
4059 Move the version numbers of DejaGnu here from the testing section
4060 and fix casing of names.
4061 Fix markup and clarify wording for autogen requirements.
4062 Refer to GCJ instead of just java.
4063 Refer to SVN instead of CVS.
4064 Describe diffutils as useful instead of necessary.
4065 (Downloading the source): Refer to SVN instead of CVS.
4066 Adjust a link to our web site accordingly.
4067 (Configuration): Fix casing of Bison.
4068 (Building): Refer to SVN instead of CVS.
4069 Fix a sentence on the use of Bison and remove duplicate (and
4070 incorrect) version number of Bison requirement.
4071 Remove one redundant list of packages needed for building.
4072 (Specific): Avoid reference to CVS.
4074 2006-04-04 Eric Christopher <echristo@apple.com>
4076 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4077 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4078 (rs6000_handle_struct_attribute): New.
4079 (rs6000_ms_bitfield_layout_p): Ditto.
4081 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4083 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4084 NULL for dso parameter to atexit_common.
4086 2006-04-04 Eric Christopher <echristo@apple.com>
4088 * config/i386/i386.c (machopic_output_stub): Output \t
4089 between instructions and operands.
4091 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4093 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4094 satisfies_constraint_[IL] to explicit tests on value.
4096 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4098 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4099 set_nb_iterations_in_loop): Use build_int_cst instead of
4101 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4102 build_int_cst instead of convert.
4104 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4106 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4107 new value 2 for incoming.
4108 * function.c (expand_function_start): Call struct_value_rtx
4110 * config/sparc/sparc.md: Comment updated_return.
4111 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4112 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4113 struct return if sparc_std_struct_return and incoming is 2.
4114 (print_operand): Do not adjust return if
4115 sparc_std_struct_return.
4117 2006-04-04 Roger Sayle <roger@eyesopen.com>
4119 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4120 convert in the middle-end.
4121 * expr.c (store_expr, store_constructor, get_inner_reference,
4122 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4124 * tree.c (build_range_type): Likewise.
4126 2006-04-04 Tom Tromey <tromey@redhat.com>
4128 * doc/install.texi (Prerequisites): Mention jar.
4130 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4132 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4135 2006-04-04 Matthias Klose <doko@debian.org>
4137 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4138 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4141 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4143 * doc/extend.texi (Function Attributes): Rewrite visibility
4144 attribute documentation.
4145 * doc/invoke.texi (C++ Dialect Options): Rewrite
4146 -fvisibility-inlines-hidden documentation to describe something
4147 entirely different, although in practise compatible.
4148 (Code Gen Options): Warn about system headers in -fvisibility=
4151 * doc/extend.texi (Other Builtins): Document that
4152 __builtin_nan is a compile-time constant only when its argument
4155 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4157 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4158 trying to remove TRUNCATE check if all bits outside the new mode
4159 are identical to the sign bit.
4161 2006-04-03 Jeff Law <law@redhat.com>
4163 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4164 and operand scanning in some common cases.
4166 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4167 Dale Johannesen <dalej@apple.com>
4170 * regclass.c (struct reg_pref): Update documentation.
4171 (regclass): Set prefclass to NO_REGS if memory is the best option.
4172 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4173 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4174 into account. For non-registers, equate an empty preferred
4175 reload class to a `!' in the constraint; move the if clause to
4176 do so after those that reject the insn.
4177 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4179 (find_dummy_reload): Likewise.
4180 * doc/tm.texi (Register Classes): Document what it means
4181 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4182 * config/i386/i386.c (ix86_preferred_reload_class): Force
4183 using SSE registers (and return NO_REGS for floating-point
4184 constants) if math is done with SSE.
4185 (ix86_preferred_output_reload_class): New.
4186 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4187 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4188 * config/i386/i386.md: Remove # register preferences.
4190 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4193 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4194 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4195 the type of nb_iter.
4196 (instantiate_parameters_1): Convert the operands before calling
4197 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4198 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4200 2006-04-02 Roger Sayle <roger@eyesopen.com>
4202 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4203 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4205 * dojump.c (do_jump): Likewise.
4206 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4207 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4208 gimplify_boolean_expr): Likewise.
4209 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4210 * varasm.c (array_size_for_constructor): Likewise.
4211 * tree-object-size.c (compute_object_offset): Likewise.
4213 2006-04-02 Roger Sayle <roger@eyesopen.com>
4216 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4217 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4219 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4221 PR tree-optimization/26939
4222 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4224 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4226 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4227 at_stmt. Convert the type of operands before calling
4228 build_polynomial_chrec.
4229 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4231 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4232 (instantiate_parameters_1): Convert the type of operands before calling
4233 build_polynomial_chrec.
4234 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4235 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4236 reset_evolution_in_loop): Insert asserts to check the types of the
4238 (chrec_type): Moved...
4239 (eq_evolutions_p): Use operand_equal_p.
4240 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4241 the types of the operands.
4242 (chrec_type): ...here.
4243 * tree-data-ref.c (create_data_ref): Convert the operands before
4244 calling chrec_replace_initial_condition.
4245 (same_access_functions, analyze_subscript_affine_affine,
4246 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4247 (compute_subscript_distance, analyze_ziv_subscript,
4248 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4249 analyze_miv_subscript): Convert the operands before calling
4250 chrec_fold_minus or chrec_fold_plus.
4252 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4254 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4255 the dependence_relations vector.
4256 (compute_data_dependences_for_loop): Adjust call to
4257 compute_all_dependences.
4259 2006-04-01 Roger Sayle <roger@eyesopen.com>
4260 Richard Henderson <rth@redhat.com>
4262 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4263 gimple_boolify on the condition before calling gimplify_expr.
4265 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4267 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4268 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4269 the frame size. Update to use the new macros.
4270 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4271 * config/xtensa/ieee754-df.S: Likewise.
4273 2006-03-31 Richard Henderson <rth@redhat.com>
4275 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4276 (make_edges): ... here. Control fallthru creation with a local
4277 variable. Do not play with fake edges.
4278 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4279 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4282 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4284 * dwarf2.h (DW64_CIE_ID): Define.
4285 * dwarf2out.c (DWARF_CIE_ID): Define.
4286 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4287 length header. Use DWARF_CIE_ID.
4288 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4289 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4291 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4293 * config/sh/linux-atomic.asm: New file.
4294 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4296 2006-03-31 DJ Delorie <dj@redhat.com>
4298 * config/m32c/cond.md: Set condition flags properly throughout.
4299 * config/m32c/minmax.md: Likewise.
4300 * config/m32c/prologue.md: Likewise.
4301 * config/m32c/bitops.md: Likewise.
4302 * config/m32c/muldiv.md: Likewise.
4303 * config/m32c/mov.md: Likewise.
4304 * config/m32c/addsub.md: Likewise.
4305 * config/m32c/m32c.md: Likewise.
4306 * config/m32c/jump.md: Likewise.
4307 * config/m32c/shift.md: Likewise.
4309 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4310 conditionally output the pattern for this.
4311 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4312 (m32c_compare_redundant): New.
4313 (m32c_output_compare): New.
4314 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4316 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4317 dest, not src. Allow other 4-byte modes.
4319 2006-03-30 Denis Chertykov <denisc@overta.ru>
4321 * doc/md.texi: Refer to avr/constraints.md instead of
4324 2006-03-30 Roger Sayle <roger@eyesopen.com>
4326 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4327 signed vs. unsigned comparison failures on some hosts.
4329 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4332 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4333 change to FLOAT_REGS.
4335 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4336 (rs6000_override_options): Use it.
4337 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4338 only for -mabi=spe/no-spe and -mabi=altivec.
4340 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4342 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4345 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4347 * Makefile.in: Rename docdir to gcc_docdir.
4349 2006-03-30 Roger Sayle <roger@eyesopen.com>
4352 * expr.c (emit_group_store): Optimize group stores into a pseudo
4353 register by using a paradoxical subreg to initialize the destination
4354 if the first or last member of the group specifies a "low part".
4356 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4359 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4360 * target.h (struct gcc_target.speculate_insn): Change type of the
4361 second parameter to 'int'.
4362 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4363 the second operand of the DEPS_LIST.
4364 (copy_DEPS_LIST_list): Update reference to the second operand of the
4366 * rtl.h (alloc_DEPS_LIST): Update signature.
4367 * sched-int.h (ds_t): Change typedef to 'int'.
4368 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4370 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4372 * haifa-sched.c (try_ready): Change condition to restore
4373 non-speculative pattern of the instruction.
4374 (process_insn_depend_be_in_spec): Code to keep probability of the
4375 speculative dependence non-decreasing.
4377 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4379 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4380 (single_move_for_movmem): ... this. Also change all uses.
4381 (bfin_expand_strmov): Renamed to...
4382 (bfin_expand_movmem): ... this. Also change all uses.
4383 * config/bfin/bfin.md (movstrsi): Renamed to...
4384 (movstrsi): ...this.
4386 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4388 PR tree-optimization/26830
4390 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4391 (copy_prop_visit_stmt): Remove write-only variable ann.
4392 (init_copy_prop): Check variable loop depth here. Do not simulate
4393 memory-tag and virtual operand PHIs except for store copy prop.
4395 2006-03-30 Richard Guenther <rguenther@suse.de>
4397 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4398 variants with double arguments.
4400 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4402 * genpreds.c (write_tm_constrs_h): Delete variable p.
4403 * genconditions.c (write_header): Add tm-constrs.h to included
4405 * genpeep.c (main): Add toplev.h to included headers.
4406 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4407 (build/genpeep.o): Add toplev.h dependency.
4408 * config/rs6000/constraints.md: Add "W" constraint.
4410 2006-03-29 Roger Sayle <roger@eyesopen.com>
4412 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4413 sizes by correctly testing whether the size fits a host integer.
4414 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4415 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4416 SImode range for the default sizetype and bitsizetype.
4418 2006-03-29 Roger Sayle <roger@eyesopen.com>
4420 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4421 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4422 quickly if the argument is already of the correct type.
4423 Call fold_build1 instead of build1. Tidy up blank lines.
4425 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4427 * genemit.c (main): Add tm-constrs.h to included headers.
4428 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4429 * genpeep.c (main): Add tm-constrs.h to included headers.
4430 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4431 (write_tm_constrs_h): this and write complete file.
4432 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4433 (write_insn_preds_c): Add tm-constrs.h to included headers.
4434 (gen_constrs): New variable.
4435 (parse_option): Parse "-c".
4436 (main): Invoke write_tm_constrs_h.
4437 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4438 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4439 (object_out_file): Add tm-constrs.h dependency.
4440 (insn-emit.o): Same.
4441 (insn-output.o): Same.
4442 (insn-peep.o): Same.
4443 (insn-preds.o): Same.
4444 (insn-recog.o): Same.
4445 (tm-constsr.h): New target.
4446 (s-constrs-h): New target.
4448 * config/rs6000/constraints.md: New file.
4449 * config/rs6000/rs6000.c: Include tm-constrs.h.
4450 (num_insn_constant_wide): Convert to satisfies_constraint.
4451 (rs6000_rtx_costs): Convert to satisfies_constraint.
4452 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4453 (CONST_OK_FOR_LETTER_P): Delete.
4454 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4455 (EXTRA_CONSTRAINT): Delete.
4456 (EXTRA_MEMORY_CONSTRAINT): Delete.
4457 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4458 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4459 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4460 satisfies_constraint.
4462 * config/i386/i386.c: Include tm-constrs.h.
4464 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4466 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4467 * tree-data-ref.c (find_data_references_in_loop,
4468 compute_data_dependences_for_loop): Use pointers to VEC.
4469 (analyze_all_data_dependences): Adjust calls.
4470 * tree-data-ref.h (find_data_references_in_loop,
4471 compute_data_dependences_for_loop): Adjust declarations.
4472 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4473 compute_data_dependences_for_loop.
4475 2006-03-29 Paul Brook <paul@codesourcery.com>
4477 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4480 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4482 PR tree-optimization/26859
4483 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4485 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4486 for the step after fold_convert.
4488 2006-03-29 Paul Brook <paul@codesourcery.com>
4490 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4491 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4493 2006-03-29 Paul Brook <paul@codesourcery.com>
4496 * targhooks.c (default_narrow_bitfield): New fuction.
4497 * targhooks.h (default_narrow_bitfield): add prototype.
4498 * target.h (gcc_target): Add narrow_volatile_bitfield.
4499 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4500 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4501 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4502 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4504 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4506 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4508 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4509 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4510 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4511 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4512 (s390_function_arg_float): Allow SDmode and DDmode values to be
4513 passed in floating point registers.
4514 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4515 check with SCALAR_FLOAT_MODE_P.
4516 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4518 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4520 PR tree-optimization/25985
4521 * tree-ssa-loop-niter.c (number_of_iterations_le,
4522 number_of_iterations_ne): Make comments more precise.
4523 (number_of_iterations_cond): Add only_exit argument. Use the
4524 fact that signed variables do not overflow only when only_exit
4526 (loop_only_exit_p): New.
4527 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4528 number_of_iterations_cond.
4530 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4532 PR tree-optimization/26643
4533 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4536 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4538 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4539 (divsi3_i4_int): Likewise.
4541 2006-03-28 Roger Sayle <roger@eyesopen.com>
4543 * expr.c (emit_group_store): Only create a new pseudo reg if the
4544 quantity it needs to hold isn't already a suitable pseudo.
4546 2006-03-28 Jeff Law <law@redhat.com>
4548 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4549 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4551 2006-03-28 Roger Sayle <roger@eyesopen.com>
4553 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4554 the equivalent ~X & Y, and the symmetry related transformations.
4555 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4556 ~X & Y, and symmetry related transforms.
4558 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4560 Revert my 2006-03-27 patches.
4562 2006-03-28 Roger Sayle <roger@eyesopen.com>
4564 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4565 ~(T1)X, when T1 and T2 are integer types of the same precision
4566 and (T2)X isn't an extension.
4568 2006-03-28 Jeff Law <law@redhat.com>
4570 PR tree-optimization/26796
4571 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4572 need EH edge cleanups rather than purging them immediately.
4573 (eliminate_degenerate_phis): Handle queued EH cleanups.
4575 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4577 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4580 2006-03-27 Roger Sayle <roger@eyesopen.com>
4583 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4584 cast BIT_NOT_EXPR operand to the correct type.
4586 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4588 * tree-loop-linear.c: Don't include varray.h.
4589 (gather_interchange_stats, try_interchange_loops,
4590 linear_transform_loops): Use VEC instead of VARRAY.
4591 * lambda-mat.c: Don't include varray.h.
4592 * tree-chrec.c: Same.
4593 * lambda-trans.c: Same.
4594 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4595 VEC instead of VARRAY.
4596 * tree-vectorizer.h: Idem.
4597 * tree-data-ref.c (dump_data_references,
4598 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4599 initialize_data_dependence_relation, finalize_ddr_dependent,
4600 compute_all_dependences, find_data_references_in_loop,
4601 compute_data_dependences_for_loop, analyze_all_data_dependences,
4602 free_dependence_relation, free_dependence_relations,
4603 free_data_refs): Idem.
4604 * tree-data-ref.h (data_reference_p, subscript_p): New.
4605 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4606 VEC instead of VARRAY.
4607 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4608 (find_data_references_in_loop, compute_data_dependences_for_loop,
4609 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4610 dump_data_dependence_relations, free_dependence_relations,
4611 free_data_refs): Adjust declaration.
4612 (lambda_transform_legal_p): Move declaration here...
4613 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4614 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4615 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4616 vect_analyze_data_refs): Use VEC instead of VARRAY.
4617 * lambda.h (lambda_transform_legal_p): ...from here.
4618 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4619 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4620 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4621 tree-chrec.o): Don't depend on VARRAY_H.
4623 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4625 * rtl.def (Copyright): Update date.
4626 (DEPS_LIST): Change type of the second operand to 'int'.
4627 * target.h (Copyright): Update date.
4628 (struct gcc_target.speculate_insn): Change type of the second parameter
4630 * lists.c (Copyright): Update date.
4631 (alloc_DEPS_LIST): Change signature. Update reference to the second
4632 operand of the DEPS_LIST.
4633 (copy_DEPS_LIST_list): Update reference to the second operand of the
4635 * rtl.h (Copyright): Update date.
4636 (alloc_DEPS_LIST): Update signature.
4637 * sched-int.h (Copyright): Update date.
4638 (ds_t): Change typedef to 'int'.
4639 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4641 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4643 * haifa-sched.c (Copyright): Update date.
4644 (try_ready): Change condition to restore non-speculative pattern
4646 (process_insn_depend_be_in_spec): Code to keep probability of the
4647 speculative dependence non-decreasing.
4649 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4651 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4652 shut up the compiler.
4654 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4656 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4657 to use lib prefix for target.
4658 ($(T)libic_invalidate_array_4-200.a): Likewise.
4659 ($(T)libic_invalidate_array_4a.a): Likewise.
4661 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4662 J"orn Rennecke <joern.rennecke@st.com>
4664 * superh.opt: New file.
4665 * sh.c (boardtype, osruntime): Remove.
4666 * superh.h (SUBTARGET_OPTIONS): Remove.
4667 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4669 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4670 arguments with ^ and/or [].
4672 * config.gcc (sh-*-*): Add quoting to account for quirk of
4674 Replace == with = in enable_incomplete_targets test.
4676 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4677 with MASK_LITTLE_ENDIAN.
4679 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4680 * config/sh/sh.opt: Added to some comments.
4681 * config/sh/superh.h: Removed some chaff.
4683 * config/sh/sh.opt: Add m4-[1234]00* options.
4684 * config/sh/sh.c (sh_handle_option): Likewise.
4685 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4686 (ic_invalidate_array_4-100.o): New rule.
4687 ($(T)libic_invalidate_array_4-100.a): Likewise.
4688 (ic_invalidate_array_4-200.o): Likewise.
4689 ($(T)libic_invalidate_array_4-200.a): Likewise.
4690 (ic_invalidate_array_4a.o): Likewise.
4691 ($(T)libic_invalidate_array_4a.a): Likewise.
4692 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4693 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4695 * config/sh/crt1.asm: Merged in profiling code.
4696 * config/sh/superh.h (STARTFILE_SPEC): Override.
4697 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4698 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4699 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4701 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4702 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4703 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4705 * sh.opt (mpretend-cmove): New option.
4706 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4707 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4708 (movsicc): Add TARGET_PRETEND_CMOVE code.
4710 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4712 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4713 s390_class_max_nregs): New function prototypes.
4714 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4715 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4716 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4717 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4719 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4721 * dwarf2out.c (add_location_or_const_value_attribute): Call
4722 tree_add_const_value_attribute if nothing else works.
4723 (reference_to_unused): New.
4724 (rtl_for_decl_init): Use reference_to_unused to decide whether
4725 to output an initializer.
4727 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4730 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4731 peephole removing spe frob_di_df_2.
4733 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4735 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4736 (subscript_dependence_tester_1): Declared.
4737 (print_dir_vectors, print_dist_vectors): New.
4738 (debug_data_dependence_relation): New.
4739 (dump_data_dependence_relation): Print more details.
4740 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4741 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4742 (save_dist_v, save_dir_v, add_outer_distances,
4743 build_classic_dist_vector_1): New.
4744 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4745 Don't test for lambda_vector_lexico_pos.
4746 (same_access_functions, add_multivariate_self_dist,
4747 add_other_self_distances, dir_from_dist): New.
4748 (build_classic_dir_vector): Replace implementation almost identical to
4749 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4751 (subscript_dependence_tester_1): New.
4752 (subscript_dependence_tester): Handle the lexicographically negative
4753 distance vectors by recomputing the dependence relation.
4754 (compute_affine_dependence): Remove parameter loop_nest_depth.
4755 (compute_self_dependence): Don't call compute_subscript_distance.
4756 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4757 Add a parameter for the loop_nest.
4758 (find_loop_nest_1, find_loop_nest): New.
4759 (compute_data_dependences_for_loop): Compute the loop nest, and give
4760 up if the nest is not well formed.
4761 * tree-data-ref.h (loop_p): New.
4762 (struct data_dependence_relation): Replace size_vect field with
4763 loop_nest, a vec of loops.
4764 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4765 (DDR_LOOP_NEST): New.
4766 (print_dir_vectors, print_dist_vectors,
4767 debug_data_dependence_relation): Declared.
4768 (index_in_loop_nest): New.
4769 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4770 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4773 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4775 * simplify-rtx.c (simplify_relational_operation): Call
4776 simplify_relational_operation_1 even if mode is VOIDmode.
4778 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4780 PR tree-optimization/26804
4781 * tree.h (DECL_CALL_CLOBBERED): New macro.
4782 (tree_decl_common): Add call_clobbered_flag.
4783 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4784 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4785 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4786 (mark_non_addressable): Ditto.
4787 * tree-ssa.c (verify_call_clobbered): New function.
4788 (verify_alias_info): Use it.
4789 * tree-pass.h (pass_reset_cc_flags): New prototype.
4790 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4791 (reset_cc_flags): New function.
4792 * passes.c (init_optimization_passes): Call reset_cc_flags after
4793 initializing referenced_vars.
4795 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4796 Roger Sayle <roger@eyesopen.com>
4799 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4800 to 1.0 for non-real operands. Implement A / A optimization for
4803 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4805 * config/i386/i386.c (size_cost): Correct the comment for
4806 cost of storing fp registers.
4807 (i386_cost): Likewise.
4808 (i486_cost): Likewise.
4809 (pentium_cost): Likewise.
4810 (pentiumpro_cost): Likewise.
4811 (k6_cost): Likewise.
4812 (athlon_cost): Likewise.
4813 (k8_cost): Likewise.
4814 (pentium4_cost): Likewise.
4815 (nocona_cost): Likewise.
4816 (generic64_cost): Likewise.
4817 (generic32_cost): Likewise.
4819 2006-03-24 Denis Chertykov <denisc@overta.ru>
4821 * config/avr/avr-protos.h (extra_constraint): Delete.
4822 (extra_constraint_Q): New declaration.
4823 * config/avr/constraints.md: New file.
4824 * config/avr/avr.md: Include it.
4825 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4826 (TMP_REGNO, ZERO_REGNO): Likewise.
4827 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4828 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4829 (extra_constraint): Delete.
4830 (extra_constraint_Q): Test for memory constraint 'Q'.
4831 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4832 (REG_CLASS_FROM_LETTER): Delete.
4833 (CONST_OK_FOR_LETTER_P): Delete.
4834 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4835 (EXTRA_CONSTRAINT): Delete.
4836 (TMP_REGNO): Delete.
4837 (ZERO_REGNO): Delete.
4839 2006-03-24 Jeff Law <law@redhat.com>
4841 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4842 directly. Call mark_new_vars_to_rename slightly earlier.
4844 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4846 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4848 (gen_compile_unit_die): Use new language types for Objective-C and
4850 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4851 DW_LANG_C_plus_plus.
4854 * config/t-darwin (crt3.o): Work around bug 26840.
4855 * config/darwin-crt3.c: Rewrite.
4856 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4858 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4860 * doc/invoke.texi: Document -femit-class-debug-always
4861 * common.opt: Add -femit-class-debug-always.
4863 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4865 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4866 index and base register.
4867 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4868 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4869 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4870 REGNO_OK_FOR_INDEX_P.
4871 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4873 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4874 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4875 REG_OK_FOR_BASE_P): Definitions removed.
4877 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4880 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4881 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4882 set yet or weren't marked as local yet.
4884 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4886 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4889 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4891 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4892 (rs6000_legitimate_small_data_p): Delete.
4893 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4894 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4895 and make static. Add forward declaration. Update uses.
4896 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4897 of offsettable_memref_p.
4898 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4899 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4901 2006-03-24 Jeff Law <law@redhat.com>
4903 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4904 around bug in immediate-use iterator.
4906 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4909 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4910 or __LITTLE_ENDIAN__.
4912 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4914 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4915 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4916 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4917 * config/sh/sh.opt (mdiv=): Amend description.
4918 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4919 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4920 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4921 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4922 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4923 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4924 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4925 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4926 TARGET_DIVIDE_CALL_FP.
4928 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4930 * haifa-sched.c (choose_ready): Fix type of the local variable.
4931 Move local variables. Add comment.
4932 (check_reg_live): Change signature. Make callable from debugger.
4933 * sched-int.h (check_reg_live): Update signature.
4934 * sched-ebb.c (check_reg_live): Update parameters.
4935 * sched-rgn.c (check_reg_live): Ditto.
4936 (region_head_or_leaf_p): Check pointer before dereferencing.
4937 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4938 before reload on optimization levels below 1.
4940 2006-03-23 Richard Henderson <rth@redhat.com>
4942 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4946 * config/alpha/predicates.md (local_symbolic_operand): Reject
4949 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4952 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4953 expressions which have overflowed constants.
4955 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4957 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4959 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4961 * cfgloopmanip.c (create_loop_notes): Removed.
4962 * final.c (final_scan_insn): Do not handle loop notes.
4963 * jump.c (squeeze_notes): Ditto.
4964 * cfglayout.c (skip_insns_after_block,
4965 duplicate_insn_chain): Ditto.
4966 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4968 * cfgloop.h (create_loop_notes): Declaration removed.
4970 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4972 * varasm.c (output_constant_pool): Restore fnname and fndecl
4974 (assemble_start_function): Adjust call accordingly.
4975 (assemble_end_function): Likewise.
4977 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4980 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4983 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4985 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4988 * system.h (ICE_EXIT_CODE): New macro.
4989 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4990 (diagnostic_action_after_output): Likewise.
4991 * gcc.c (fatal_ice): New function.
4992 (execute): Use it instead of fatal.
4993 (fancy_abort): Likewise.
4994 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4996 2006-03-22 Jeff Law <law@redhat.com>
4998 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4999 iv_analyze_result returning false.
5001 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5003 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5005 2006-03-22 Richard Henderson <rth@redhat.com>
5008 * except.c (duplicate_eh_regions_0): New.
5009 (duplicate_eh_region_1): Duplicate the children of the node as
5010 well as the node itself. Link them up properly.
5011 (duplicate_eh_region_2): Merge into ...
5012 (duplicate_eh_regions): ... here. Take copy_region argument, and
5013 copy only a sub-tree if asked. Simplify copying and fixup.
5014 (eh_region_outer_p): New.
5015 * except.h (duplicate_eh_regions): Update decl.
5016 (eh_region_outer_p): Declare.
5017 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5018 (lower_omp_master): Likewise.
5019 (lower_omp_ordered): Likewise.
5020 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5021 (move_stmt_r): Use it to remap labels. Handle recursion vs
5022 remap_decls_p properly.
5023 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5024 (find_outermost_region_in_block): New.
5025 (new_label_mapper): New.
5026 (move_sese_region_to_fn): Copy eh information to the new function
5028 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5030 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5033 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5035 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5036 into shared libraries.
5038 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5040 * doc/md.texi: Refer to i386/constraints.md instead of
5042 * config/i386/constraints.md: New file, extracted from...
5043 * config/i386/predicates.md: ...here.
5044 * config/i386/i386.md: Include constraints.md.
5046 2006-03-21 Jason Merrill <jason@redhat.com>
5048 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5051 * expr.c (init_block_move_fn): Force default visibility.
5052 (init_block_clear_fn): Likewise.
5053 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5054 * targhooks.c (default_external_stack_protect_fail): Likewise.
5056 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5058 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5059 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5060 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5061 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5062 (loadgp): Use mips_current_loadgp_style.
5063 (loadgp_noshared): New pattern.
5064 (sibcall_internal): Use MIPS_CALL.
5065 (sibcall_value_internal): Likewise.
5066 (sibcall_value_multiple_internal): Likewise.
5067 (call_internal): Likewise.
5068 (call_value_internal): Likewise.
5069 (call_value_multiple_internal): Likewise.
5070 (call_split): Use MIPS_CALL and add an 'S' constraint.
5071 (call_value_split): Likewise.
5072 (call_value_multiple_split): Likewise.
5073 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5074 (-mshared): New option.
5075 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5076 (mips_current_loadgp_style): Declare.
5077 * config/mips/mips.c (mips_classify_symbol): Avoid using
5078 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5079 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5080 TARGET_ABSOLUTE_ABICALLS.
5081 (override_options): Adjust comments. Improve the warning that is
5082 issued when -mabicalls and -G are used together.
5083 (mips_file_start): Remove comment.
5084 (mips_current_loadgp_style): New function.
5085 (mips_gnu_local_gp): New variable.
5086 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5088 (mips_output_function_prologue): Use mips_current_laodgp_style.
5089 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5090 the cprestore instruction.
5091 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5092 live for TARGET_ABSOLUTE_ABICALLS.
5093 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5094 (ASM_SPEC): Pass down -mshared and -mno-shared.
5095 (MIPS_CALL): New macro.
5096 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5098 * doc/invoke.texi (-mabicalls): Update documentation.
5099 (-mshared): Document.
5101 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5103 * config/ia64/unwind-hpux.c: New file.
5104 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5106 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5109 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5111 2006-03-21 Jeff Law <law@redhat.com>
5113 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5114 type conversions of a VR_VARYING source to a wider type.
5116 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5118 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5119 tm_file on Solaris 10 and later.
5120 (sparc64-*-solaris2*): Likewise.
5121 (sparc-*-solaris2*): Likewise.
5122 * config/sol26.h: Rename to config/sol2-6.h.
5123 * config/sol2-10.h: New file.
5125 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5128 * tree-ssa-pre.c (create_component_ref_by_pieces):
5131 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5134 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5135 return it immediately.
5137 2006-03-21 Michael Matz <matz@suse.de>
5139 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5141 (remove_arc, add_arc): Update num_out_arcs member.
5142 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5144 (cache_presence): New function.
5145 (compare_states_for_equiv): New function.
5146 (state_is_differed): Don't take number of outargs, adjust callers.
5147 Use new invariant for speeding up.
5148 (init_equiv_class): Create initial classes based on sorted
5150 (partition_equiv_class): Don't track out_arcs_num.
5151 (evaluate_equiv_classes): Call cache_presence on all states and
5154 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5156 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5157 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5158 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5159 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5161 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5162 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5163 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5164 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5165 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5167 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5168 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5169 (REGNO_REG_CLASS): ARGP is in PREGS.
5170 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5172 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5173 to deal with those addresses.
5174 * addresses.h: New file.
5175 * caller-save.c: Include "addresses.h".
5176 (init_caller_save): Use new base_reg_class function.
5177 * rtl-factoring.c: Include "addresses.h".
5178 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5179 * recog.c: Include "addresses.h".
5180 (preprocess_constraints): Use new base_reg_class function.
5181 * regrename.c: Include "addresses.h".
5182 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5183 functions. Keep track of a new var INDEX_CODE to compute valid
5185 (replace_oldest_value_addr): Likewise.
5186 (replace_oldest_value_mem): Use base_reg_class.
5187 * reload.c: Include "addresses.h".
5188 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5189 (find_reloads): Use new base_reg_class function.
5190 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5191 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5192 all callers and prototype changed.
5193 * reload1.c: Include "addresses.h".
5194 (maybe_fix_stack_asms): Use base_reg_class.
5195 * regclass.c: Include "addresses.h".
5196 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5197 (init_reg_autoinc): Use new base_reg_class function.
5198 (record_reg_classes): Likewise.
5199 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5200 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5201 Use new args to compute necessary class.
5203 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5204 regrename.o, rtl-factoring.o): Update dependencies.
5205 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5206 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5207 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5208 REG_OK_FOR_INDEX_P): Delete documentation.
5210 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5212 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5213 from V7 to V9 for Solaris 7 and above.
5215 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5217 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5218 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5219 argument pointers may not alias any other storage.
5220 * common.opt: Define option -fargument-noalias-anything.
5221 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5222 alias semantics is specified by flag_argument_noalias > 2.
5224 2006-03-20 Jeff Law <law@redhat.com>
5226 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5227 (pass_phi_only_cprop): Declare.
5228 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5230 * tree-ssa-dom.c (degenerate_phi_result): New function.
5231 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5232 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5233 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5234 (eliminate_degenerate_phis): Likewise.
5235 (pass_phi_only_cprop): New pass descriptor.
5236 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5237 support code. Callers updated.
5238 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5239 (store_copy_prop): Likewise.
5240 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5242 2006-03-20 Jason Merrill <jason@redhat.com>
5245 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5246 (push_visibility, pop_visibility): Likewise.
5247 * c-pragma.h: Declare them.
5249 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5251 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5253 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5254 parameter and use get_ebb_head_tail.
5255 (sh_md_init_global): Adjust uses of find_regmode_weight.
5257 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5259 * function.h (struct function) <x_tail_recursion_reentry>:
5260 Rename to x_stack_check_probe_note.
5261 (tail_recursion_reentry): Rename to stack_check_probe_note.
5262 * function.c: Replace tail_recursion_reentry with
5263 stack_check_probe_note everywhere.
5264 (expand_function_start): Only emit a note for
5265 stack_check_probe_note with -fstack-protect.
5266 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5268 * emit-rtl.c (remove_unnecessary_notes): Remove.
5269 (pass_remove_unnecessary_notes): Remove.
5270 * rtl.h (remove_unnecessary_notes): Remove prototype.
5271 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5272 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5273 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5275 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5278 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5279 (valid_in_set): Handle ARRAY_REF.
5280 Change "if min_variant or VH" to asserts.
5281 (create_component_ref_by_pieces): Handle ARRAY_REF.
5282 (create_expression_by_pieces): Likewise.
5283 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5285 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5287 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5288 is operand of switch, not str[0].
5290 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5292 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5293 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5295 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5297 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5298 end of insn_extra_address_constraint declaration.
5300 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5302 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5303 (no-sum-in-toc): Same.
5304 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5306 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5307 NO_FP_IN_TOC for -fPIC instead of mask.
5309 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5310 (BOOT_LDFLAGS): Delete.
5312 * config/rs6000/t-aix52: Same.
5314 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5315 (stmsi[345678]_power): New.
5317 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5319 * config/ia64/ia64.opt: Add empty line to end of file.
5321 2006-03-17 Richard Guenther <rguenther@suse.de>
5324 * builtins.c (get_pointer_alignment): For component style references
5325 adjust alignment to the component type alignment. Make sure
5326 to adjust alignment for component access of constants.
5328 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5330 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5333 2006-03-17 Paul Brook <paul@codesourcery.com>
5335 * doc/install.texi: Docuemnt --with-mode.
5336 * config.gcc: Add --with-mode for arm*-*-*.
5337 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5339 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5341 * sh.c (max_labelno_before_reorg): New variable.
5342 (sh_reorg): Initialize it.
5343 (find_barrier): Check max_labelno_before_reorg before using
5344 label_to_alignment. Take length of explicit alignment insns
5345 into account. When seeing a UNSPECV_CONST_END, return it.
5347 * sh.c (fixup_mova): Set mode of affected label to QImode.
5348 (untangle_mova): New function.
5349 (find_barrier): Use it. Check mode of label before decrementing
5351 (sh_reorg): Likewise.
5352 Set mode of all insns back to VOIDmode.
5354 * sh.c (MOVA_LABELREF): New macro.
5355 (mova_p, fixup_mova, sh_reorg): Use it.
5356 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5357 ADDR_DIFF_VEC matches mova.
5359 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5361 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5362 with ATTRIBUTE_UNUSED.
5364 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5366 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5367 pointer, instead of assuming it is possible to derive the
5368 correct args size from a call insn.
5370 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5372 * rtl.h (CONST_INT_P): Define.
5373 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5374 instead of GET_CODE(x) == CONST_INT.
5375 (vax_rtx_costs): Likewise.
5376 (vax_output_int_move): Likewise.
5377 (vax_output_int_add): Likewise.
5378 (legitimate_constant_address_p): Likewise.
5379 (index_term_p): Likewise.
5380 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5381 * config/vax/vax.md (and<mode>3): Likewise.
5382 (ashrsi3): Likewise.
5384 (movstricthi): Likewise.
5385 (movstrictqi): Likewise.
5386 (rotrsi3): Likewise.
5387 (five unnamed insns): Likewise.
5389 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5391 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5392 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5393 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5394 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5395 Pass to ASM_OUTPUT_DWARF_OFFSET.
5396 * dwarf2out.c (debug_frame_section): New.
5397 (output_call_frame_info): Use debug_frame_section. Pass it to
5398 dw2_asm_output_offset.
5399 (output_die): Pass appropriate section to dw2_asm_output_offset.
5400 (output_compilation_unit_header): Likewise.
5401 (output_pubnames): Likewise.
5402 (output_aranges): Likewise.
5403 (enum dw_val_class): Break dw_val_class_lbl_offset into
5404 dw_val_class_lineptr and dw_val_class_macptr.
5405 (add_AT_lbl_offset): Delete.
5406 (add_AT_lineptr): New.
5407 (add_AT_macptr): New.
5408 (AT_lbl): Expect a lineptr or macptr.
5409 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5410 (attr_checksum): Likewise.
5411 (same_dw_val_p): Likewise.
5412 (size_of_die): Likewise.
5413 (value_format): Likewise.
5414 (output_die): Likewise.
5415 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5417 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5418 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5419 * config/darwin-protos.h (darwin_file_start): New.
5420 (darwin_asm_output_dwarf_offset): New.
5421 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5422 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5424 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5425 if not EH section; simplify.
5426 (darwin_file_start): New.
5427 (darwin_asm_output_dwarf_offset): New.
5428 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5430 (DEBUG_INFO_SECTION): Likewise.
5431 (DEBUG_ABBREV_SECTION): Likewise.
5432 (DEBUG_ARANGES_SECTION): Likewise.
5433 (DEBUG_MACINFO_SECTION): Likewise.
5434 (DEBUG_LINE_SECTION): Likewise.
5435 (DEBUG_LOC_SECTION): Likewise.
5436 (DEBUG_PUBNAMES_SECTION): Likewise.
5437 (DEBUG_STR_SECTION): Likewise.
5438 (DEBUG_RANGES_SECTION): Likewise.
5439 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5440 (ASM_OUTPUT_DWARF_OFFSET): New.
5442 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5444 * config.gcc (tm_defines): Always add to previous value rather
5447 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5449 * config/mips/predicates.md (splittable_const_int_operand): New,
5450 split from move_operand.
5451 (splittable_symbolic_operand): New.
5452 (move_operand): Add commentary. Use splittable_const_int_operand.
5453 Inline mips_atomic_symbolic_constant_p.
5454 * config/mips/mips.md: Add combine splitters for handling moves
5455 of splittable_const_int_operands and splittable_symbolic_operands.
5456 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5457 (mips_split_symbol): Declare.
5458 (mips_move_integer): Declare.
5459 * config/mips/mips.c (mips_split_p): Make global.
5460 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5461 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5462 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5463 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5464 (mips_offset_within_object_p): Handle block symbols.
5465 (mips_atomic_symbolic_constant_p): Delete.
5466 (mips_cannot_force_const_mem): Return false for constants that
5467 mips_legitimize_move can handle.
5468 (mips_use_blocks_for_constant_p): New function.
5469 (mips_split_symbol): Make global.
5470 (mips_move_integer): Likewise. Add a temporary register argument.
5471 (mips_legitimize_const_move): Use splittable_const_int_operand and
5472 splittable_symbolic_operand.
5473 (mips_use_anchors_for_symbol_p): New function.
5474 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5475 (mips_split_p): Declare.
5477 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5479 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5480 (mips*-*-linux*): Likewise.
5482 2006-03-16 Roger Sayle <roger@eyesopen.com>
5483 Daniel Speyer <dspeyer@wam.umd.edu>
5486 * tree-dump.c (dump_real): New function.
5487 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5488 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5489 (tree-dump.o): Add $(REAL_H) to the dependencies.
5491 2006-03-16 Roger Sayle <roger@eyesopen.com>
5494 * real.c (real_from_string): If the mantissa is zero, don't bother
5495 parsing the exponent as the result should always be zero.
5497 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5499 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5501 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5503 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5504 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5505 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5506 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5507 ia64_sched_finish_global): New static functions to implement
5508 hooks from gcc_target.sched.
5509 (spec_check_no, max_uid, pending_data_specs): New static variables.
5510 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5511 ia64_spec_check_src_p): New static functions.
5512 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5513 (TARGET_SCHED_ADJUST_COST): Removed.
5514 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5515 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5516 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5517 TARGET_SCHED_GEN_CHECK,
5518 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5519 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5520 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5521 Fixed to handle speculation checks.
5522 (rtx_needs_barrier): Fixed to handle speculative loads and
5524 (ia64_variable_issue): Added code to count speculative loads and their
5526 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5528 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5530 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5532 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5533 (ia64_reorg): Reset stops_p to NULL after it is freed.
5534 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5535 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5536 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5538 (data_speculative, control_speculative, check_load): New attributes.
5539 (mov<mode>_advanced, mov<mode>_speculative,
5540 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5541 zero_extend<mode>di2_speculative,
5542 zero_extend<mode>di2_speculative_advanced): New patterns for
5543 data and control speculative loads.
5544 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5546 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5547 New pattern for data and control speculation checks.
5548 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5549 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5550 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5551 Auxiliary definitions for the patterns.
5552 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5553 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5555 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5557 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5558 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5559 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5560 New resource constraints.
5561 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5563 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5564 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5565 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5566 msched-in-control-spec, msched-ldc, msched-control-ldc,
5567 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5568 msched-prefer-non-control-spec-insns,
5569 msched-count-spec-in-critical-path): New flags to tune speculative
5571 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5572 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5573 msched-in-control-spec, msched-ldc, msched-control-ldc,
5574 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5575 msched-prefer-non-control-spec-insns,
5576 msched-count-spec-in-critical-path): Document new flags.
5578 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5580 * target.h (struct spec_info_def): New opaque declaration.
5581 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5582 speculate_insn, needs_block_p, gen_check,
5583 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5584 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5585 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5586 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5587 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5588 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5590 (TARGET_SCHED): Use new macros.
5591 * rtl.h (copy_DEPS_LIST_list): New prototype.
5592 * sched-int.h (struct sched_info): Change signature of new_ready field,
5593 adjust all initializations. New fields: add_remove_insn,
5594 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5595 region_head_or_leaf_p.
5596 (struct spec_info_def): New structure declaration.
5597 (spec_info_t): New typedef.
5598 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5599 recovery_block, orig_pat.
5600 (glat_start, glat_end): New variables declaraions.
5601 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5603 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5604 DETACH_LIFE_INFO, USE_GLAT.
5605 (enum SPEC_SCHED_FLAGS): New enumeration.
5606 (NOTE_NOTE_BB_P): New macro.
5607 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5608 attach_life_info, debug_spec_status, check_reg_live): New functions.
5609 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5610 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5612 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5613 * ddg.c (get_block_head_tail): Adjust all uses.
5614 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5615 (sms_sched_info): Initialize new fields.
5616 (contributes_to_priority): Removed.
5617 * haifa-sched.c (params.h): New include.
5618 (get_block_head_tail): Adjust all uses.
5619 (ISSUE_POINTS): New macro.
5620 (glat_start, glat_end): New global variables.
5621 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5622 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5623 old_last_basic_block, before_recovery, current_sched_info_var,
5624 rgn_n_insns, luid): New static variables.
5625 (insn_cost1): New function. Move logic from insn_cost to here.
5626 (find_insn_reg_weight1): New function. Move logic from
5627 find_insn_reg_weight to here.
5628 (reemit_notes, move_insn, max_issue): Change signature.
5629 (move_insn1): Removed.
5630 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5631 extend_bb): New static functions to support extension of scheduler's
5633 (generate_recovery_code, process_insn_depend_be_in_spec,
5634 begin_speculative_block, add_to_speculative_block,
5635 init_before_recovery, create_recovery_block, create_check_block_twin,
5636 fix_recovery_deps): New static functions to support
5637 generation of recovery code.
5638 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5639 restore_bb_notes, move_block_after_check, move_succs): New static
5640 functions to support ebb scheduling.
5641 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5642 functions to support handling of register live information.
5643 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5644 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5645 add_jump_dependencies): New static functions.
5646 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5647 consistancy checking.
5648 (debug_spec_status): New function to call from debugger.
5649 (priority): Added code to handle speculation checks.
5650 (rank_for_schedule): Added code to distinguish speculative instructions.
5651 (schedule_insn): Added code to handle speculation checks.
5652 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5653 Fixed to handle ebbs.
5654 (move_insn): Added code to handle ebb scheduling.
5655 (max_issue): Added code to use ISSUE_POINTS of instructions.
5656 (choose_ready): Added code to choose between speculative and
5657 non-speculative instructions.
5658 (schedule_block): Added code to handle ebb scheduling and scheduling of
5659 speculative instructions.
5660 (sched_init): Initialize new variables.
5661 (sched_finish): Free new variables. Print statistics.
5662 (try_ready): Added code to handle speculative instructions.
5663 * lists.c (copy_DEPS_LIST_list): New function.
5664 * sched-deps.c (extend_dependency_caches): New function. Move logic
5665 from create_dependency_caches to here.
5666 (get_dep_weak, ds_merge): Make global.
5667 * genattr.c (main): Code to output prototype for
5668 dfa_clear_single_insn_cache.
5669 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5670 (output_dfa_clean_insn_cache_func): Code to output
5671 dfa_clear_single_insn_cache function.
5672 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5674 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5676 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5677 New static variables.
5678 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5679 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5681 (ebb_sched_info): Initialize new fields.
5682 (get_block_head_tail): Adjust all uses.
5683 (compute_jump_reg_dependencies): Fixed to use glat_start.
5684 (schedule_ebb): Code to remove unreachable last block.
5685 (schedule_ebbs): Added code to update register live information.
5686 * sched-rgn.c (region_sched_info): Initialize new fields.
5687 (get_block_head_tail): Adjust all uses.
5688 (last_was_jump): Removed. Adjust users.
5689 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5690 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5691 Implement new hooks.
5692 (check_dead_notes1): New static function.
5693 (struct region): New fields: dont_calc_deps, has_real_ebb.
5694 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5695 (BB_TO_BLOCK): Fixed to handle EBBs.
5696 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5697 (ebb_head): New static variable.
5698 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5699 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5701 (compute_dom_prob_ps): New assertion.
5702 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5703 global_live_at_start.
5704 (init_ready_list): New assertions.
5705 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5706 (new_ready): Add support for BEGIN_CONTROL speculation.
5707 (schedule_insns): Fixed code that updates register live information
5709 (schedule_region): Fixed to handle EBBs.
5710 (init_regions): Use extend_regions and check_dead_notes1.
5711 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5712 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5713 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5714 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5715 TARGET_SCHED_GEN_CHECK,
5716 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5717 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5718 * doc/invoke.texi (max-sched-insn-conflict-delay,
5719 sched-spec-prob-cutoff): Document.
5721 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5723 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5724 inter_tick, queue_index.
5725 (struct sched_info): Change signature of init_ready_list field.
5726 Adjust all initializations.
5727 (RESOLVED_DEPS): New access macro.
5728 (ready_add): Remove prototype.
5729 (try_ready): Add prototype.
5730 * sched-rgn.c (init_ready_list): Use try_ready.
5731 (schedule_region): Initialize
5732 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5733 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5734 (init_ready_list): Use try_ready.
5735 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5736 * lists.c (remove_list_elem): Remove `static'.
5737 (remove_free_INSN_LIST_elem): New function.
5738 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5739 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5740 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5742 (readyp): New variable.
5743 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5744 change_queue_index, resolve_dep): New static functions.
5745 (try_ready): New function. Adjust callers in sched-rgn.c and
5746 sched-ebb.c to use it instead of ready_add.
5747 (clock_var): Move at the begining of file.
5748 (rank_for_schedule): Fix typo.
5749 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5750 (ready_lastpos): Enforce assertion.
5751 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5753 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5754 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5755 (queue_to_ready): Use free_INSN_LIST_list.
5756 (early_queue_to_ready): Fix typo.
5757 (schedule_block): Init readyp. Move init_ready_list call after the
5758 initialization of clock_var. Fix error in rejecting insn by
5759 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5760 that previously corrected INSN_TICKs. Add code for handling
5762 (set_priorities): Fix typo.
5763 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5764 Clarify comment and code that keeps current_sched_info->next_tail
5767 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5769 * sched-rgn.c (extend_rgns): New static function.
5770 (find_rgns): Use it.
5771 (gather_region_statistics, print_region_statistics): New static
5773 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5774 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5776 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5777 Andrey Belevantsev <abel@ispras.ru>
5779 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5780 * lists.c (unused_deps_list): New variable.
5781 (free_list): Add assertions to verify the proper distinguishing
5782 between INSN_LISTs and DEPS_LISTs.
5783 (find_list_elem, remove_list_elem, remove_list_node): New static
5785 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5786 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5787 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5788 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5790 (free_INSN_LIST_node): Likewise.
5791 * modulo-sched.c (current_sched_info): Initialize flags field.
5792 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5793 * rtl.def (DEPS_LIST): Define.
5794 * rtl.h: Declare new functions from lists.c.
5795 * sched-deps.c (spec_dependency_cache): New static variable.
5796 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5797 (add_dependence): Change return type to void. Move the logic to ...
5798 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5799 (delete_all_dependences): Add comment about forward_dependency_cache.
5800 Handle spec_dependency_cache. Handle DEPS_LISTs.
5801 (fixup_sched_groups): Clarify the change of priority of output
5802 and anti dependencies.
5803 (sched_analyze_2): Adjust add_dependence calls to create data
5804 speculative dependence.
5805 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5806 Adjust all callers. Handle DEPS_LISTS.
5807 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5808 presence of speculation.
5809 (init_dependency_caches, free_dependency_caches):
5810 Handle spec_dependency_cache.
5811 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5812 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5813 New static functions.
5814 (add_or_update_back_dep, add_or_update_back_forw_dep,
5815 add_back_forw_dep, delete_back_forw_dep): New functions.
5816 * sched-int.h (ds_t, dw_t): New typedefs.
5817 (struct sched_info): Add new field flags.
5818 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5819 Prototype new sched-deps.c functions.
5820 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5821 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5822 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5823 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5824 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5825 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5827 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5829 * sched-rgn.c (current_sched_info): Initialize flags field.
5830 (schedule_insns): Initialize current_sched_info before the sched_init
5832 * sched-ebb.c (current_sched_info): Initialize flags field.
5833 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5834 Call add_or_update_back_dep instead of add_dependence.
5835 Create control speculative dependencies.
5836 (schedule_insns): Initialize current_sched_info before the sched_init
5839 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5841 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5843 (sh_fallback_frame_state): Likewise.
5845 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5847 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5848 Do switch on default_use_cxa_atexit.
5849 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5850 * config/darwin-crt3.o: New.
5851 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5852 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5853 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5855 * config/rs6000/t-darwin: Move crt2.o building to here.
5856 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5857 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5860 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5862 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5863 from '! xxx' to '!xxx' for coding-style conformance.
5864 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5865 (EXTRA_CONSTRAINT): Likewise.
5866 * config/vax/vax.md (four unnamed insns): Likewise.
5868 2006-03-15 Paul Brook <paul@codesourcery.com>
5870 * config/arm/arm.c (minipool_pad): New.
5871 (add_minipool_forward_ref): Include pool alignment padding in address
5873 (push_minipool_fix): Set minipool_pad.
5874 (minipool_pad): Ditto.
5876 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5878 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5879 instead of GET_CODE() == MEM and REG_P() instead of
5881 (print_operand_address): Likewise.
5882 (vax_address_cost): Likewise.
5883 (vax_rtx_costs): Likewise.
5884 (vax_notice_update_cc): Likewise.
5885 (vax_output_int_add): Likewise.
5886 (INDEX_REGISTER_P): Likewise.
5887 (BASE_REGISTER_P): Likewise.
5888 (nonindexed_address_p): Likewise.
5889 (vax_mode_dependent_address_p): Likewise.
5890 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5891 (PRINT_OPERAND): Likewise.
5892 * config/vax/vax.md (ashlsi3): Likewise.
5893 (ashlsi3): Likewise.
5894 (some more unnamed insns): Likewise.
5896 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5898 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5899 iterator-style macro.
5900 (mark_control_dependent_edges_necessary): Update the use of
5901 EXECUTE_IF_CONTROL_DEPENDENT.
5903 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5905 * config/sh/predicates.md (cache_address_operand): Special.
5906 (ua_address_operand): Likewise.
5908 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5910 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5912 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5914 2006-03-15 Andreas Schwab <schwab@suse.de>
5916 * gensupport.c (identify_predicable_attribute): Don't free p_false
5917 when it is still in use.
5919 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5921 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5922 the default setting here.
5924 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5926 * tree-pass.h (pass_cfg): Remove.
5927 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5928 * passes.c (pass_cfg): Don't run it.
5930 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5932 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5933 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5935 (stack_regs_mentioned): Update the uses of
5936 stack_regs_mentioned_data. Don't access the array beyond its
5938 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5939 Don't include gt-reg-stack.h.
5941 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5942 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5944 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5947 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5950 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5952 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5954 2006-03-14 Richard Guenther <rguenther@suse.de>
5956 PR tree-optimization/26672
5957 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5960 2006-03-14 Richard Guenther <rguenther@suse.de>
5962 PR tree-optimization/26667
5963 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5964 node for the callees. Always allow inlining if it will shrink
5967 2006-03-14 Richard Guenther <rguenther@suse.de>
5970 * builtins.c (get_pointer_alignment): Prefer alignment
5971 information from decls over that from types.
5973 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5976 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5978 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5980 * config/rs6000/rs6000.opt (mdlmzb): New option.
5981 (msched-prolog, msched-epilog): Use Var not Mask.
5982 * doc/invoke.texi (-mdlmzb): Document.
5983 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5985 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5986 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5988 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5990 PR rtl-optimization/25739
5991 * bt-load.c (augment_live_range): Free tos pointer.
5993 * gensupport.c (identify_predicable_attribute): Free
5995 * gcov.c (create_file_names): Free name pointer.
5997 2006-03-13 Roger Sayle <roger@eyesopen.com>
6000 * stmt.c (emit_case_nodes): Handle the case where the index is a
6001 CONST_INT, where the comparison mode is specified by the index type.
6003 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6005 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6008 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6010 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6011 (*branch_fp_inverted): Likewise.
6013 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6016 * omp-low.c (expand_omp_for_generic): Mark istart0
6017 and iend0 as addressable.
6019 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6021 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6023 2006-03-13 Jeff Law <law@redhat.com>
6025 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6026 virtual operands are interesting.
6027 (vrp_visit_stmt): Corresponding changes.
6029 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6031 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6033 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6034 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6035 * config/bfin/crti.S: Use it instead of __PIC__.
6036 * config/bfin/crtn.S: Likewise.
6038 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6039 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6041 Lose 'G' modifier for call operand.
6042 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6043 recognize 'G' modifier.
6045 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6048 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6049 * stmt.c (expand_case): Likewise.
6051 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6053 PR rtl-optimization/26254
6054 * loop-invariant.c (seq_insns_valid_p): New function.
6055 (move_invariant_reg): Only emit new code if it is valid.
6057 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6059 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6061 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6062 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6063 (commit_one_edge_insertion): Do not look for loop notes.
6065 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6067 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6068 flag_test_coverage out of loop.
6070 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6072 * final.c (shorten_branches): Remove outdated comment, and turn
6073 the if branch that guards it to continue.
6075 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6077 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6078 * cfgloop.h (struct loop): Remove unused fields.
6080 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6082 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6083 (-dL, -fdump-rtl-loop2): Update the dump file names
6085 * doc/invoke.texi: Update dump file names.
6087 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6089 * predict.c (estimate_probability): Remove.
6090 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6091 * basic-block.h (estimate_probability): Remove prototype.
6092 * passes.c (finish_optimization_passes): Dump branch prediction or
6093 profiling heuristics to the .profile tree dump.
6094 (init_optimization_passes): Unqueue pass_branch_prob.
6096 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6098 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6100 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6101 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6103 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6105 * function.h (frame_offset_overflow): Declare.
6106 * function.c (frame_offset_overflow): New function.
6107 (assign_stack_local_1): Call it to detect that the offset overflows.
6108 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6110 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6112 * config/sh/sh.c: Include alloc-pool.h.
6113 (label_ref_list_pool): New alloc pool.
6114 (label_ref_list_t): New type for lists of labels.
6115 (struct pool_node): Make wend a label_ref_list_t.
6116 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6118 (dump_table): Likewise.
6119 (sh_reorg): Set up the alloc pool before using add_constant and
6120 dump_table, and destroy it when finishing.
6122 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6124 * config/mips/mips.c: Remove redundant comment.
6126 2006-03-10 Jason Merrill <jason@redhat.com>
6129 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6130 the target was declared 'register'.
6132 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6134 * genpreds.c (write_insn_constraint_len): Change definition of
6135 insn_constraint_len to return size_t to match the declaration.
6137 2006-03-10 DJ Delorie <dj@redhat.com>
6139 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6141 (m32c_expand_insv): Fix test for an AND mask.
6143 2006-03-10 Richard Guenther <rguenther@suse.de>
6146 * builtins.c (get_pointer_alignment): Handle component
6147 references for field alignment.
6149 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6151 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6152 when building with libgloss.
6153 (sh*elf): Implement --without-fp option.
6154 (sh64-superh-linux*): Don't multilib.
6156 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6158 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6160 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6162 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6163 Set it when one of the replacement functions returned true.
6164 Return TODO_cleanup_cfg if cfgchanged is true.
6165 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6167 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6169 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6170 instead of gen_lowpart.
6172 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6174 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6176 (mips_output_order_conditional_branch): Declare.
6177 * config/mips/mips.h (MIPS_BRANCH): New macro.
6178 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6179 for the comparison. Use gen_condjump.
6180 (mips_output_conditional_branch): Rework interface to take the
6181 asm templates for a direct branch and the inverse of a direct branch.
6182 (mips_output_order_conditional_branch): New function.
6183 (mips_builtin_branch_and_move): New function.
6184 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6185 branch condition. Use gen_single_cc as the condition for
6186 __builtin_mips_upper_* or __builtin_mips_lower_*.
6187 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6188 Use VOIDmode for the branch condition.
6189 * config/mips/predicates.md (order_operator): New predicate.
6190 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6191 (branch_fp): Rename to...
6192 (*branch_fp): ...this. Remove mode from comparison operator.
6193 Use new mips_output_conditional_branch interface.
6194 (branch_fp_inverted): Rename to...
6195 (*branch_fp_inverted): ...this and update as for *branch_fp.
6196 (*branch_zero<mode>): Rename to...
6197 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6198 Use mips_output_order_conditional_branch. Only accept ordered
6200 (*branch_zero<mode>_inverted): Rename to...
6201 (*branch_order<mode>_inverted): ...this and update as for
6202 *branch_order<mode>.
6203 (*branch_equality<mode>): Accept zero as the second operand to
6204 the equality operator. Use the new mips_output_conditional_branch
6206 (*branch_equality<mode>_inverted): Likewise.
6207 (condjump): New expander.
6208 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6210 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6211 (bc1any2t, bc1any2f): Likewise.
6212 (single_cc): New expander.
6213 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6215 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6217 * doc/md.texi: Update documentation of MIPS constraints.
6218 * config/mips/constraints.md: New file.
6219 * config/mips/mips.md: Include it.
6220 * config/mips/mips.c (mips_char_to_class): Delete.
6221 (override_options): Don't initialize mips_char_to_class.
6222 * config/mips/mips.h (mips_char_to_class): Delete.
6223 (REG_CLASS_FROM_LETTER): Delete.
6224 (CONST_OK_FOR_LETTER_P): Delete.
6225 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6226 (EXTRA_CONSTRAINT_Y): Delete.
6227 (EXTRA_CONSTRAINT_STR): Delete.
6228 (CONSTRAINT_LEN): Delete.
6229 (EXTRA_MEMORY_CONSTRAINT): Delete.
6231 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6233 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6234 original fn's eh regions.
6236 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6238 * fold-const.c (build_range_check): Make sure to use a valid type to
6239 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6242 (range_predecessor): New static function.
6243 (range_successor): Likewise.
6244 (merge_ranges): Use them to compute predecessors and successors of
6247 2006-03-09 Roger Sayle <roger@eyesopen.com>
6250 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6251 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6253 2006-03-08 DJ Delorie <dj@redhat.com>
6255 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6256 (addpsi3): Expand to include memory operands. Remove
6257 reload-specific splits.
6258 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6259 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6260 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6261 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6262 (shift1_qi, shift1_hi, insv): New.
6263 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6264 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6265 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6267 * config/m32c/m32c-protos.h: Update as needed.
6268 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6269 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6270 Fail for unrecognized R* constraints.
6271 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6272 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6273 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6275 (m32c_init_libfuncs): New.
6276 (m32c_legitimate_address_p): Add debug wrapper.
6277 (m32c_rtx_costs): New.
6278 (m32c_address_cost): New.
6279 (conversions): Add 'B' prefix.
6280 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6281 operands, or word regnames for QI operands. 'B' prints bit
6283 (m32c_expand_setmemhi): New.
6284 (m32c_expand_movmemhi): New.
6285 (m32c_expand_movstr): New.
6286 (m32c_expand_cmpstr): New.
6287 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6288 (m32c_expand_neg_mulpsi3): Handle non-ints.
6289 (m32c_cmp_flg_0): New.
6290 (m32c_expand_movcc): New.
6291 (m32c_expand_insv): New.
6292 (m32c_scc_pattern): New.
6293 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6294 a0/a1 out of SIregs.
6295 (STORE_FLAG_VALUE): New.
6296 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6299 * config/m32c/mov.md: Make constraints more liberal.
6300 (zero_extendqihi2): Optimize r0/r1 case.
6301 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6302 * config/m32c/predicates.md (m32c_any_operand): New.
6303 (m32c_nonimmediate_operand): New.
6304 (m32c_hl_operand): New.
6305 (m32c_r3_operand): New.
6308 (memsym_operand): New.
6309 (memimmed_operand): New.
6310 (a_qi_operand): New.
6311 (m32c_eqne_operator): New.
6312 (m32c_1bit8_operand): New.
6313 (m32c_1bit16_operand): New.
6314 (m32c_1mask8_operand): New.
6315 (m32c_1mask16_operand): New.
6316 * config/m32c/blkmov.md: New file.
6317 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6319 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6321 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6322 unsigned to fix signed/unsigned comparison issue in
6323 DWARF2_FRAME_REG_OUT.
6324 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6325 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6327 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6328 of ptr into the ENABLE_CHECKING section.
6330 2006-03-08 Jeff Law <law@redhat.com>
6332 * tree-vrp.c (infer_value_range): Only count pointer uses
6333 and dereferences if -fdelete-null-pointer-checks is enabled.
6335 * tree-vrp.c (find_assert_locations): Infer value ranges for
6336 single use pointers, but do not create ASSERT_EXPRs for them.
6337 When a non-null range is inferred for a pointer, backwards
6338 propagate that range to other equivalent pointers through the
6341 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6344 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6345 language hook targets.
6346 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6347 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6348 if language hook targets were missing.
6350 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6352 * tree-ssa-opfinalize.h: Removed.
6353 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6355 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6356 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6357 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6358 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6359 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6360 finalize_ssa_v_must_def_ops): New.
6362 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6364 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6367 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6369 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6371 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6372 addresses with offsets; reorganize.
6374 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6375 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6376 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6378 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6381 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6383 2006-03-08 Ben Elliston <bje@au.ibm.com>
6385 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6387 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6390 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6393 2006-03-07 Richard Guenther <rguenther@suse.de>
6395 PR tree-optimization/26587
6396 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6398 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6400 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6402 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6404 * hooks.c (hook_bool_mode_rtx_true): New function.
6405 * hooks.h (hook_bool_mode_rtx_true): Declare.
6406 * toplev.c (compile_file): Call output_shared_constant_pool.
6407 * varasm.c (shared_constant_pool): New variable.
6408 (assemble_start_function, assemble_end_function): Remove arguments
6409 from call to output_constant_pool.
6410 (create_constant_pool): New function, split out from...
6411 (init_varasm_status): ...here.
6412 (force_const_mem): Choose between the shared and per-function constant
6413 pools. Set current_function_uses_const_pool when reusing old entries
6414 as well as when creating new ones.
6415 (mark_constant): Ignore data argument.
6416 (mark_constants): Remove pool argument.
6417 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6418 to decide whether the function uses a constant pool.
6419 (output_constant_pool_contents): New function, split out from...
6420 (output_constant_pool): ...here.
6421 (output_shared_constant_pool): New function.
6422 (init_varasm_once): Initialize shared_constant_pool.
6423 * output.h (output_constant_pool): Delete.
6424 (output_shared_constant_pool): Declare.
6425 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6426 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6428 2006-03-06 Nick Clifton <nickc@redhat.com>
6430 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6431 flag_strength_reduce.
6433 2006-03-06 Ben Elliston <bje@au.ibm.com>
6435 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6436 x86_64-*-linux* configurations.
6438 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6439 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6441 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6443 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6445 * basic-block.h: Remove the extern for
6446 rediscover_loops_after_threading.
6448 * cfgloop.c (cancel_loop): Make it static.
6449 * cfgloop.h: Remove the prototype for cancel_loop.
6451 * flow.c (recompute_reg_usage): Make it static.
6452 * rtl.h: Remove the prototype for recompute_reg_usage.
6454 * function.c (use_return_register): Make it static.
6455 * function.h: Remove the prototype.
6457 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6459 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6461 * recog.h: Remove the prototype for
6462 validate_change_maybe_volatile.
6464 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6466 * rtlanal.c (replace_reg): Remove.
6467 * rtl.h: Remove the prototype for replace_reg.
6469 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6471 * regclass.c (reg_scan_update): Remove.
6472 (reg_scan_mark_refs): Remove the last argument.
6473 * rtl.h: Remove the prototype for reg_scan_update.
6475 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6477 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6478 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6479 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6480 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6481 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6482 loop-invariant.c, omp-low.c, opts.c, passes.c,
6483 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6484 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6485 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6486 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6487 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6488 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6490 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6492 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6493 * dwarf2out.h: Remove the prototype for
6494 dwarf2out_add_library_unit_info.
6496 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6498 * tree.c (add_var_to_bind_expr): Remove.
6499 * tree.h: Remove the prototype for add_var_to_bind_expr.
6501 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6503 * regclass.c (n_non_fixed_regs): Remove.
6504 (init_reg_sets_1, globalize_reg): Remove all uses of
6506 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6508 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6510 * rtlanal.c (insns_safe_to_move_p): Remove.
6511 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6513 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6515 * expmed.c (expand_mult_add): Remove.
6516 * expr.h: Remove the prototype for expand_mult_add.
6518 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6520 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6521 and REG_SAVED_VAL_EXP constants.
6522 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6523 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6524 Handle regs stored by value.
6525 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6526 (execute_cfa_program): Handle DW_CFA_val_offset,
6527 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6528 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6529 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6530 (uw_install_context_1): Handle target regs stored by value.
6532 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6534 * tree-sra.c (tree_sra): Return todoflags;
6535 (generate_one_element): Set TODO_update_smt_usage if needed.
6536 (pass_sra): Remove TODO_update_smt_usage.
6537 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6539 (tree_ssa_forward_propagate_single_use_vars): Return
6540 TODO_update_smt_usage if we need to update SMT usage.
6541 (pass_forwprop): Remove TODO_update_smt_usage.
6543 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6545 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6546 (correct_use_link): Remove reference to get_stmt_operands.
6547 (update_stmt_operands): Likewise.
6548 (get_modify_expr_operands): New function factored out of
6549 parse_ssa_operands and get_expr_operands.
6550 Try to create V_MUST_DEFs for LHS by default.
6551 (get_expr_operands) <case MODIFY_EXPR>: Call
6552 get_modify_expr_operands.
6553 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6554 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6555 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6556 get_modify_expr_operands.
6558 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6560 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6561 * tree-flow.h: Remove the prototype for
6562 referenced_var_lookup_if_exists.
6564 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6566 PR rtl-optimization/26345
6568 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6570 2006-03-03 Roger Sayle <roger@eyesopen.com>
6572 PR tree-optimization/26524
6573 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6574 fold_convert to create a constant of the appropriate type.
6576 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6578 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6579 SYMBOL_REF_IN_BLOCK_P.
6580 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6581 of SYMBOL_FLAG_IN_BLOCK.
6582 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6583 instead of SYMBOL_REF_IN_BLOCK_P.
6584 * explow.c (use_anchored_address): Likewise.
6585 * rtl.c (rtx_size): Likewise.
6586 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6587 instead of SYMBOL_FLAG_IN_BLOCK.
6588 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6589 SYMBOL_REF_IN_BLOCK_P.
6590 (assemble_variable): Likewise.
6591 (output_constant_def_contents): Likewise.
6592 (output_constant_pool): Likewise.
6593 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6594 instead of SYMBOL_FLAG_IN_BLOCK.
6595 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6596 SYMBOL_REF_IN_BLOCK_P.
6597 (SYMBOL_REF_BLOCK): Likewise.
6598 (SYMBOL_REF_OFFSET): Likewise.
6599 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6600 SYMBOL_REF_IN_BLOCK_P.
6601 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6602 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6603 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6604 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6606 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6608 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6610 2006-03-02 Roger Sayle <roger@eyesopen.com>
6612 * simplify-rtx.c (simplify_unary_operation): When simplifying
6613 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6614 that we perform the right shift in the appropriate mode, and
6615 then extend or truncate the result to requested mode.
6617 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6619 * gengtype.c (main): Handle double_int type.
6620 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6621 * double-int.c: New file.
6622 * double-int.h: New file.
6623 * system.h: Include doubleint.h.
6624 * Makefile.in (SYSTEM_H): Include double-int.h.
6625 (double-int.o): Add.
6627 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6630 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6633 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6635 * tree-vrp.c (remove_range_assertions): Do not update statements
6638 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6640 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6642 * gcse.c (rest_of_handle_gcse): Ditto.
6643 * except.c (gate_handle_eh): Ditto.
6644 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6645 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6647 2006-03-02 Eric Christopher <echristo@apple.com>
6649 * config/i386/i386.c (machopic_output_stub): Add indirection to
6652 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6656 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6658 Sun Niagara specific optimizations.
6659 * config.gcc: Recognize niagara as target.
6660 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6661 (TARGET_CPU_niagara): Define.
6662 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6663 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6664 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6665 (ASM_CPU_SPEC): Likewise.
6666 (PROCESSOR_NIAGARA): New enum entry.
6667 (REGISTER_MOVE_COST): Handle Niagara.
6668 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6669 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6670 (sparc_override_options): Recognize "niagara", set appropriate
6671 default MASK_* values for it, and align functions to 32-bytes
6672 by default just like ULTRASPARC/ULTRASPARC3.
6673 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6674 (sparc64_initialize_trampoline): Likewise.
6675 (sparc_use_sched_lookahead): Use zero for niagara.
6676 (sparc_issue_rate): Use one for niagara.
6677 * config/sparc/niagara.md: New file.
6678 * config/sparc/sparc.md: Include it.
6679 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6680 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6681 when default cpu is niagara.
6682 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6683 (ASM_CPU_SPEC): Likewise.
6684 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6685 when default cpu is niagara.
6686 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6687 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6688 just like v9/ultrasparc/ultrasparc3.
6689 * doc/invoke.texi: Add documentation for "niagara" and improve
6690 existing documentation for ultrasparc variants.
6692 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6694 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6696 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6698 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6699 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6700 and say that only one is needed.
6701 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6702 * target.h (have_switchable_bss_sections): New hook.
6703 * explow.c (use_anchored_address): Check that the symbol is in a block.
6704 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6705 (bss_noswitch_section): New variables.
6706 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6707 (get_noswitch_section): New function.
6708 (get_block_for_section): Allow SECT to be null.
6709 (unlikely_text_section_p): Use SECTION_STYLE.
6710 (bss_initializer_p): New function.
6711 (get_variable_section): Move earlier in file. Take a new argument,
6712 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6713 Return one of the new *_sections in such cases.
6714 (get_block_for_decl): New function, extracting some logic from
6715 use_blocks_for_decl_p.
6716 (change_symbol_section): Remove in favor of...
6717 (change_symbol_block): ...this new function.
6718 (use_blocks_for_decl_p): Remove checks now performed by
6720 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6721 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6722 (emit_local, emit_bss, emit_common): ...these new functions.
6723 Return true if the alignment was honored.
6724 (emit_tls_common): New function.
6725 (asm_emit_uninitialised): Delete.
6726 (assemble_variable_noswitch): New function, split out from...
6727 (assemble_variable): ...here. Don't make decisions about common
6728 variables here. Globalize all public decls that go into non-common
6729 sections. Check whether SYMBOL_REF_BLOCK is null.
6730 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6731 (output_constant_pool): Likewise.
6732 (init_varasm_once): Initialize the new section variables.
6733 (have_global_bss_p): New function.
6734 (categorize_decl_for_section): Use bss_initializer_p.
6735 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6736 (place_block_symbol): Assert that the symbol must be in a block.
6737 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6738 (TARGET_INITIALIZER): Include it.
6739 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6740 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6741 (SECTION_MACH_DEP): Bump by two.
6742 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6743 (unnamed_section): Mention SECTION_UNNAMED in comment.
6744 (named_section): Likewise SECTION_NAMED.
6745 (noswitch_section_callback): New type.
6746 (noswitch_section): New structure.
6747 (section): Add a noswitch_section alternative.
6748 (SECTION_STYLE): New macro.
6749 (tls_comm_section, comm_section, lcomm_section): Declare.
6750 (bss_noswitch_section, have_global_bss_p): Declare.
6751 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6752 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6754 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6755 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6758 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6760 * tree-vrp.c (execute_vrp): Return value.
6761 * regrename.c (rest_of_handle_regrename): Ditto.
6762 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6763 * tree-complex.c (tree_lower_complex): Ditto.
6764 (tree_lower_complex_O0): Ditto.
6765 * tracer.c (rest_of_handle_tracer): Ditto.
6766 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6767 * postreload.c (rest_of_handle_postreload): Ditto.
6768 * tree-tailcall.c (execute_tail_recursion): Ditto.
6769 (execute_tail_calls): Ditto.
6770 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6771 * tree.h (init_function_for_compilation): Ditto.
6772 * ipa-cp.c (ipcp_driver): Ditto.
6773 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6774 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6775 * final.c (compute_alignments): Ditto.
6776 (rest_of_handle_final): Ditto.
6777 (rest_of_handle_shorten_branches): Ditto.
6778 (rest_of_clean_state): Ditto.
6779 * omp-low.c (execute_expand_omp): Ditto.
6780 (execute_lower_omp): Ditto.
6781 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6782 * ipa-reference.c (static_execute): Ditto.
6783 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6784 * reorg.c (rest_of_handle_delay_slots): Ditto.
6785 (rest_of_handle_machine_reorg): Ditto.
6786 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6787 * flow.c (recompute_reg_usage): Ditto.
6788 (rest_of_handle_remove_death_notes): Ditto.
6789 (rest_of_handle_life): Ditto.
6790 (rest_of_handle_flow2): Ditto.
6791 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6792 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6793 (do_ssa_store_ccp): Ditto.
6794 (execute_fold_all_builtins): Ditto.
6795 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6796 * modulo-sched.c (rest_of_handle_sms): Ditto.
6797 * ipa-pure-const.c (static_execute): Ditto.
6798 * cse.c (rest_of_handle_cse): Ditto.
6799 (rest_of_handle_cse2): Ditto.
6800 * web.c (rest_of_handle_web): Ditto.
6801 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6802 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6803 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6804 * tree-nrv.c (tree_nrv): Ditto.
6805 (execute_return_slot_opt): Ditto.
6806 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6807 (create_structure_vars): Ditto.
6808 * loop-init.c (rtl_loop_init): Ditto.
6809 (rtl_loop_done): Ditto.
6810 (rtl_move_loop_invariants): Ditto.
6811 (rtl_unswitch): Ditto.
6812 (rtl_unroll_and_peel_loops): Ditto.
6813 (rtl_doloop): Ditto.
6814 * gimple-low.c (lower_function_body): Ditto.
6815 (mark_used_blocks): Ditto.
6816 * tree-ssa-sink.c (execute_sink_code): Ditto.
6817 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6818 (cgraph_early_inlining): Ditto.
6819 * global.c (rest_of_handle_global_alloc): Ditto.
6820 * jump.c (cleanup_barriers): Ditto.
6821 (purge_line_number_notes): Ditto.
6822 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6823 (rest_of_handle_if_after_reload): Ditto.
6824 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6825 (tree_ssa_loop_im): Ditto.
6826 (tree_ssa_loop_unswitch): Ditto.
6827 (tree_vectorize): Ditto.
6828 (tree_linear_transform): Ditto.
6829 (tree_ssa_loop_ivcanon): Ditto.
6830 (tree_ssa_empty_loop): Ditto.
6831 (tree_ssa_loop_bounds): Ditto.
6832 (tree_complete_unroll): Ditto.
6833 (tree_ssa_loop_prefetch): Ditto.
6834 (tree_ssa_loop_ivopts): Ditto.
6835 (tree_ssa_loop_done): Ditto.
6836 * predict.c (tree_estimate_probability): Ditto.
6837 * recog.c (split_all_insns_noflow): Ditto.
6838 (rest_of_handle_peephole2): Ditto.
6839 (rest_of_handle_split_all_insns): Ditto.
6840 * tree-eh.c (lower_eh_constructs): Ditto.
6841 * regmove.c (rest_of_handle_regmove): Ditto.
6842 (rest_of_handle_stack_adjustments): Ditto.
6843 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6844 * function.c (instantiate_virtual_regs): Ditto.
6845 (init_function_for_compilation): Ditto.
6846 (rest_of_handle_check_leaf_regs): Ditto.
6847 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6848 (rest_of_handle_gcse): Ditto.
6849 * ipa-type-escape.c (type_escape_execute): Ditto.
6850 * alias.c (rest_of_handle_cfg): Ditto.
6851 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6852 * profile.c (rest_of_handle_branch_prob): Ditto.
6853 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6854 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6855 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6856 * tree-dfa.c (find_referenced_vars): Ditto.
6857 * except.c (set_nothrow_function_flags): Ditto.
6858 (convert_to_eh_region_ranges): Ditto.
6859 (rest_of_handle_eh): Ditto.
6860 * emit-rtl.c (unshare_all_rtl): Ditto.
6861 (remove_unnecessary_notes): Ditto.
6862 * except.h (set_nothrow_function_flags): Ditto.
6863 (convert_to_eh_region_ranges): Ditto.
6864 * cfgexpand.c (tree_expand_cfg): Ditto.
6865 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6866 * tree-ssa-pre.c (do_pre): Ditto.
6867 (execute_fre): Ditto.
6868 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6869 (rest_of_handle_jump2): Ditto.
6870 * tree-sra.c (tree_sra): Ditto.
6871 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6872 (execute_mudflap_function_decls): Ditto.
6873 * tree-ssa-copy.c (do_copy_prop): Ditto.
6874 (do_store_copy_prop): Ditto.
6875 * ipa-prop.h (ipcp_driver): Ditto.
6876 * cfglayout.c (insn_locators_initialize): Ditto.
6877 * tree-ssa-forwprop.c
6878 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6879 * cfglayout.h (insn_locators_initialize): Ditto.
6880 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6881 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6882 (execute_late_warn_uninitialized): Ditto.
6883 * rtl.h (cleanup_barriers): Ditto.
6884 (split_all_insns_noflow): Ditto.
6885 (purge_line_number_notes): Ditto.
6886 (unshare_all_rtl): Ditto.
6887 (remove_unnecessary_notes): Ditto.
6888 (recompute_reg_usage): Ditto.
6889 (variable_tracking_main): Ditto.
6890 * integrate.c (emit_initial_value_sets): Ditto.
6891 * integrate.h (emit_initial_value_sets): Ditto.
6892 * tree-optimize.c (execute_free_datastructures): Ditto
6893 (execute_free_cfg_annotations): Ditto.
6894 (execute_fixup_cfg): Ditto.
6895 (execute_cleanup_cfg_pre_ipa): Ditto.
6896 (execute_cleanup_cfg_post_optimizing): Ditto.
6897 (execute_init_datastructures): Ditto.
6898 * tree-object-size.c (compute_object_sizes): Ditto.
6899 * combine.c (rest_of_handle_combine): Ditto.
6900 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6901 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6902 (rest_of_handle_reorder_blocks): Ditto.
6903 (rest_of_handle_partition_blocks): Ditto.
6904 * var-tracking.c (variable_tracking_main): Ditto.
6905 * tree-profile.c (tree_profiling): Ditto.
6906 * tree-vect-generic.c (expand_vector_operations): Ditto.
6907 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6908 * sched-rgn.c (rest_of_handle_sched): Ditto.
6909 (rest_of_handle_sched2): Ditto.
6910 * basic-block.h (free_bb_insn): Ditto.
6911 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6912 * tree-cfg.c (execute_build_cfg): Ditto.
6913 (remove_useless_stmts): Ditto.
6914 (split_critical_edges): Ditto.
6915 (execute_warn_function_return): Ditto.
6916 (execute_warn_function_noreturn): Ditto.
6917 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6918 * cfgrtl.c (free_bb_for_insn): Ditto.
6919 * passes.c (execute_one_pass): Run additional
6920 todos returned by execute function.
6921 * tree-pass.h (struct tree_opt_pass): Make execute
6924 2006-03-02 Richard Guenther <rguenther@suse.de>
6926 * tree-ssa-alias.c (find_used_portions): Consider taking
6927 the address as making the variable not write-only.
6929 2006-03-02 Nick Clifton <nickc@redhat.com>
6931 * config.gcc (default_use_cxa_atexit): Extend the description of
6932 this configure variable. Set its default value to "yes" for
6933 Linux, NetBSD and ELF targets on the assumption that they will
6934 use C libraries with the __cxa_atexit function.
6936 2006-03-02 Ben Elliston <bje@au.ibm.com>
6938 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6939 parameter as unused to suppress a build warning.
6941 2006-03-02 Ben Elliston <bje@au.ibm.com>
6943 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6946 2006-03-01 Roger Sayle <roger@eyesopen.com>
6949 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6950 declared name, the weak reference name, and the typeof name.
6951 (__gthrw): Avoid expanding the declared name suffix.
6952 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6954 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6956 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6958 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6959 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6960 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6961 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6962 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6963 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6964 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6965 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6966 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6967 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6968 (DW_END_default, DW_END_big, DW_END_little): New.
6969 (DW_END_lo_user, DW_END_hi_user): Define.
6970 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6971 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6972 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6975 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6977 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6979 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6981 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6983 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6985 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6986 to 'symbol_mem_tag'.
6988 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6991 2006-03-01 Roger Sayle <roger@eyesopen.com>
6993 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6995 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6998 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6999 MACHO_DYNAMIC_NO_PIC_P.
7000 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7002 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7005 * config/darwin-protos.h (darwin_asm_output_anchor):
7007 * config/darwin-sections.def (cstring_section):
7008 Add SECTION_MERGE to the flags.
7009 (literal4_section): Likewise.
7010 (literal8_section): Likewise.
7011 (objc_selector_refs_section): Likewise.
7012 (objc_cls_refs_section): Likewise.
7013 * config/darwin.c (darwin_asm_output_anchor): New
7015 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7017 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7019 Fix PR tree-optimization/26443
7020 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7021 to todo and PROP_tmt_usage to properties_destroyed.
7022 * tree-ssa-ccp.c (pass_ccp): Ditto.
7023 (pass_store_ccp): Ditto.
7024 * tree-ssa-dom.c (pass_dominator): Ditto.
7026 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7028 * tree-ssa-operands.c: Cleanup whitespace.
7029 (get_asm_expr_operands): Move before first invocation.
7030 (get_indirect_ref_operands): Likewise.
7031 (get_tmr_operands): Likewise.
7032 (get_call_expr_operands): Likewise.
7033 (append_def): Likewise.
7034 (append_use): Likewise.
7035 (append_v_may_def): Likewise.
7036 (append_v_must_def): Likewise.
7037 (add_call_clobber_ops): Likewise.
7038 (add_call_read_ops): Likewise.
7039 (add_stmt_operand): Likewise.
7040 (add_virtual_operand): Likewise.
7041 (build_ssa_operands): Likewise.
7043 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7048 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7049 with a call expr to ...
7050 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7052 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7054 * tree-vrp.c (extract_range_from_assert): Remove special
7055 handling for types with super-types.
7057 2006-03-01 Ben Elliston <bje@au.ibm.com>
7059 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7060 and powerpc64-*-linux* configurations.
7061 * config/t-dfprules: New file.
7063 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7064 Compile dfp-bit.c from the source directory using -DWIDTH and
7065 $DFP_CFLAGS to control the compilation of that file, rather than
7066 generating width-specific versions in the build directory.
7067 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7068 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7070 2006-02-28 Zack Weinberg <zackw@panix.com>
7072 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7075 2006-02-28 Eric Christopher <echristo@apple.com>
7077 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7078 Set up IN_LIBGCC definition of TARGET_64BIT.
7079 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7081 2006-02-28 Roger Sayle <roger@eyesopen.com>
7084 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7085 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7086 cases via the construction of "expr != 0".
7088 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7090 * alias.c (alias_invariant, alias_invariant_size): Remove.
7091 (record_base_value): Remove.
7092 (memrefs_conflict_p): Don't look at alias_invariant.
7093 (end_alias_analysis): Don't free it.
7094 * alias.h (record_base_value): Remove prototype.
7096 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7097 Adam Nemet <anemet@caviumnetworks.com>
7099 * rtl.h (truncated_to_mode): Declare it.
7100 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7101 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7102 (RTL_HOOKS_INITIALIZER): Include it.
7103 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7104 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7105 reg_truncated_to_mode.
7106 * rtlanal.c (truncated_to_mode): Define it.
7107 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7109 2006-02-28 Jeff Law <law@redhat.com>
7111 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7112 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7113 the range allowed by TYPE_PRECISION.
7115 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7117 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7119 PR tree-optimization/26419
7120 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7123 2006-02-27 Zack Weinberg <zackw@panix.com>
7125 * doc/md.texi: Fix typo in previous change.
7127 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7131 2006-02-27 Zack Weinberg <zackw@panix.com>
7133 * rtl.def (define_constraint, define_register_constraint)
7134 (define_memory_constraint, define_address_constraint): New MD forms.
7135 * gensupport.c (process_rtx): Put define_constraint etc on the
7137 * genpreds.c (process_define_predicate): Adjust comment. Validate
7138 the name, and call validate_exp to validate the expression.
7139 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7140 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7141 all callers changed.
7142 (validate_exp, needs_variable, struct constraint_data)
7143 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7144 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7145 (const_dbl_constraints, constraint_max_namelen)
7146 (have_register_constraints, have_memory_constraints)
7147 (have_address_constraints, have_address_constraints)
7148 (have_extra_constraints, have_const_int_constraints)
7149 (have_const_dbl_constraints, mangle, add_constraint)
7150 (process_define_constraint, process_define_register_constraint)
7151 (write_enum_constraint_num, write_lookup_constraint)
7152 (write_insn_constraint_len, write_regclass_for_constraint)
7153 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7154 (write_insn_extra_memory_constraint)
7155 (write_insn_extra_address_constraint)
7156 (write_satisfies_constraint_fns): New.
7157 (write_tm_preds_h): If we have new-style constraint definitions,
7158 prototype the functions generated from them, and define the
7159 old constraint interface (still used by generic code) in terms of
7161 (write_insn_preds_c): If we have new-style constraint definitions,
7162 generate all relevant functions from those definitions.
7163 (main): Handle define_constraint etc.
7164 * genoutput.c (struct constraint_data, indep_constraints)
7165 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7166 (mdep_constraint_len): New data structures and functions, defined
7167 #ifdef USE_MD_CONSTRAINTS.
7168 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7169 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7170 use new logic to validate operand constraints against constraint
7172 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7174 * defaults.h: If none of the old-style constraint macros are
7175 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7176 old-style macros; and poison REG_CLASS_FROM_LETTER,
7177 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7179 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7180 * doc/md.texi: Document new constraint-definition mechanism and the
7181 C interface it provides. Remove references to old mechanism
7182 elsewhere in the document.
7183 (Machine Constraints): Use pathnames relative to gcc directory,
7184 i.e. config/ARCH/FILE. Change i386 section to refer to
7185 config/i386/predicates.md; update that section to match docstrings.
7186 * doc/tm.texi: Move all documentation of the old constraint-
7187 definition macros to their own section, clearly mark as obsolete.
7189 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7190 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7192 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7193 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7194 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7196 (splits and peepholes): Use satisfies_constraint_*.
7197 * config/i386/i386.c (memory_address_length)
7198 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7200 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7202 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7203 scalar operation to be put back into the loop.
7205 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7208 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7209 (extract_cie_info): Handle S flag in augmentation string.
7210 (execute_cfa_program): If context->signal_frame, execute also
7211 fs->pc == context->ra instructions.
7212 (uw_frame_state_for): If context->signal_frame, don't subtract one
7213 from context->ra to find FDE.
7214 (uw_update_context_1): Set context->signal_frame to
7216 (_Unwind_GetIPInfo): New function.
7217 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7218 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7220 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7221 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7222 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7223 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7224 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7225 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7226 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7227 x86_64_fallback_frame_state): Set fs->signal_frame.
7228 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7229 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7230 (frob_update_context): Likewise. Workaround missing S flag in
7231 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7232 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7233 Remove the psw_addr + 1 hack.
7235 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7237 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7238 with aggregates here.
7239 (find_func_aliases): Remove code for &<aggregate> from here.
7241 2006-02-26 Roger Sayle <roger@eyesopen.com>
7243 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7244 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7245 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7248 2006-02-26 Roger Sayle <roger@eyesopen.com>
7251 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7253 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7255 * opts.c (decode_options): Do not handle flag_strength_reduce.
7256 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7257 and OPT_fstrength_reduce.
7258 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7259 flag_prefetch_loop_arrays for being nonzero.
7260 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7262 (fprefetch-loop-arrays-rtl): Removed.
7263 (flag_prefetch_loop_arrays): Do not specify the value.
7265 * doc/passes.texi: Update documentation of loop optimizer
7267 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7268 -frerun-loop-opt): Remove.
7270 2006-02-26 Richard Guenther <rguenther@suse.de>
7272 PR tree-optimization/26421
7273 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7274 in function calls that are ADDR_EXPRs as using the whole structure.
7276 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7278 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7279 * tree-pass.h (pass_loop_optimize): Remove.
7280 * passes.c (pass_loop_optimize): Never run it.
7281 * toplev.c (backend_init): Don't call init_loop.
7282 * opts.c (flag_loop_optimize_set): Remove.
7283 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7284 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7285 the old RTL loop optimizer when profiling enabled.
7286 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7287 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7288 pre-headers for the sake of the old RTL loop optimizer.
7289 * Makefile.in: Remove all references to loop.o.
7291 * doc/invoke.texi: Remove all references to -floop-optimize
7292 and -frerun-loop-opt.
7294 2006-02-26 Zack Weinberg <zackw@panix.com>
7296 * doc/md.texi (Machine Constraints): Refer to all files with paths
7297 relative to gcc directory (i.e. config/CPU/file). Add missing
7298 @table @code ... @end table to M32C subsection.
7300 2006-02-26 Roger Sayle <roger@eyesopen.com>
7302 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7304 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7306 2006-02-26 Roger Sayle <roger@eyesopen.com>
7307 James A. Morrison <phython@gcc.gnu.org>
7310 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7311 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7312 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7313 signedness of the shift operation.
7315 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7317 PR tree-optimization/26359
7318 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7320 2006-02-25 Roger Sayle <roger@eyesopen.com>
7322 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7323 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7324 as X == 0, and some symmetry related transformations.
7325 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7327 2006-02-25 Roger Sayle <roger@eyesopen.com>
7330 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7331 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7332 symmetry related transformations. Fold (X^C1) == C2 as
7335 2006-02-25 Juergen Weigert <jw@suse.de>
7336 Richard Guenther <rguenther@suse.de>
7338 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7340 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7342 * combine.c (gen_lowpart_or_truncate): Call
7343 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7345 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7347 * doc/invoke.texi: Move -fopenmp description to "Options for
7349 Remove reference to -lgomp.
7351 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7353 * doc/install.texi: Require GNU tar version 1.14.
7355 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7357 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7358 * doc/invoke.texi (C++ Dialect Options): Document
7359 -fno-use-cxa-get-exception-ptr.
7360 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7361 * configure: Regenerate.
7362 * c.opt (fuse-cxa-get-exception-ptr): New.
7363 * c-opts.c (c_common_handle_option): Handle
7364 OPT_fuse_cxa_get_exception_ptr.
7365 * c-common.c (flag_use_cxa_atexit): Update documentation.
7366 (flag_use_cxa_get_exception_ptr): New.
7367 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7368 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7370 (C_COMMON_OVERRIDE_OPTIONS): New.
7372 2006-02-24 Roger Sayle <roger@eyesopen.com>
7375 * combine.c (try_combine): Explicitly check whether GET_CODE is
7376 a SET or a CLOBBER, instead on checking that it isn't a USE.
7378 2006-02-24 Roger Sayle <roger@eyesopen.com>
7380 * fold-const.c (fold_comparison): New subroutine of fold_binary
7381 containing transformations common to both the equality and
7382 ordering relational operators, factored out of fold_binary.
7383 (fold_binary): Separate out the equality operators (EQ_EXPR
7384 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7385 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7386 transformations common to both.
7387 (fold_div_compare): Fix latent bugs in the previously unreachable
7388 LT_EXPR and GE_EXPR cases.
7390 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7392 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7393 decl libname for clog to __clog on AIX.
7395 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7397 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7400 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7401 output traceback table for thunks. Localise rs6000_stack_info call.
7403 2006-02-23 Roger Sayle <roger@eyesopen.com>
7404 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7406 * gthr-posix.h (__gthrw): Fix typo in comment.
7408 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7410 * doc/cpp.texi (Character sets): Document that we do support
7411 input files to be in any character set.
7413 2006-02-23 Jeff Law <law@redhat.com>
7415 * tree.h (PHI_ARG_NONZERO): Remove.
7416 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7417 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7418 node to the new node.
7420 PR tree-optimization/26425
7421 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7422 min/max, then assume its varying.
7424 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7426 PR rtl-optimization/26316
7427 * rtlanal.c (enum may_trap_p_flags): New.
7428 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7429 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7430 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7431 (may_trap_after_code_motion_p): New function.
7432 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7433 (find_invariant_insn): Use may_trap_after_code_motion_p.
7434 * rtl.h (may_trap_after_code_motion_p): Declare.
7436 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7438 * emit-rtl.c (immed_double_const): Cleanup.
7440 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7442 Fix PR tree-optimization/26376
7443 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7446 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7449 * gimplify.c (omp_add_variable): Guard variable size decl test with
7450 DECL_SIZE (decl) check.
7452 2006-02-23 Richard Guenther <rguenther@suse.de>
7455 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7456 like aggregate types.
7458 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7460 * configure.ac: Add --with{,out}-long-double-128 configure option.
7461 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7462 * configure: Rebuilt.
7463 * config.in: Rebuilt.
7464 * doc/install.texi (Options specification): Document
7465 --with-long-double-128.
7467 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7468 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7469 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7470 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7472 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7474 * config/s390/s390.c (override_options): Handle
7475 TARGET_DEFAULT_LONG_DOUBLE_128.
7477 * config/alpha/alpha.c (override_options): Handle
7478 TARGET_DEFAULT_LONG_DOUBLE_128.
7480 * config/sparc/sparc.c (sparc_override_options): Handle
7481 TARGET_DEFAULT_LONG_DOUBLE_128.
7483 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7485 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7486 (real-install-headers-tar, real-install-headers-cpio)
7487 (real-install-headers-cp): New targets.
7489 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7491 * tree.h (variable_section): Delete.
7492 * varasm.c (variable_section): Delete.
7494 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7496 * install.texi: Add notes on install.texi2html.
7497 (Building in parallel): Do not use footnotes.
7499 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7502 * doc/install.texi (Configuration): Document --disable-libgomp.
7504 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7506 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7508 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7510 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7511 (vec_extractv2df_0_sse): New.
7513 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7515 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7516 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7517 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7518 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7519 to the result of the expression.
7520 (def_cfa_1): Adjust.
7521 (frame_pointer_cfa_offset): Rename to...
7522 (frame_pointer_fb_offset): ... this. Adjust all uses.
7523 (convert_cfa_to_loc_list): Rename to...
7524 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7525 Pass it on to build_cfa_loc.
7526 (compute_frame_pointer_to_cfa_displacement): Rename to...
7527 (compute_frame_pointer_to_fb_displacement): ... this. New
7528 offset parameter. Use it in computation.
7529 (gen_subprogram_die): Compute cfa_fb_offset with the new
7530 macro, and use it to compute the fb loc list and the
7533 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7535 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7536 replaced with register_operand.
7537 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7538 non-DREG is expensive.
7539 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7540 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7543 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7545 * doc/install.texi2html: Use set -e.
7547 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7549 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7550 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7551 * doc/invoke.texi (-fshared-data): Delete.
7552 * common.opt (fshared-data): Delete.
7553 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7554 (assemble_static_space): Remove #if 0 code.
7555 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7556 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7557 * config/cris/cris.h: Remove FIXME.
7559 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7561 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7564 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7567 * combine.c (simplify_shift_const_1): Disable nested shifts
7568 optimization for vector shifts.
7570 2006-02-20 Roger Sayle <roger@eyesopen.com>
7572 PR tree-optimization/26361
7573 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7574 of unsigned integer types.
7576 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7578 * tree-chrec.c (eq_evolutions_p): New.
7579 * tree-chrec.h (eq_evolutions_p): Declared.
7580 * tree-data-ref.c: Fix formatting.
7581 (datadep_stats, dependence_stats): New.
7583 (print_direction_vector): New.
7584 (dump_data_dependence_relation): Use print_direction_vector.
7585 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7586 (compute_subscript_distance): Static.
7587 (initialize_data_dependence_relation): Static. Get the number
7588 of loops surrounding the references from the callers, and initialize
7589 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7590 base_object_differ_p analyzers.
7591 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7592 compute_overlap_steps_for_affine_1_2,
7593 analyze_subscript_affine_affine): Count the classified dependences.
7594 Print a message when a test failed.
7595 (can_use_analyze_subscript_affine_affine): New.
7596 (analyze_siv_subscript): Compute the data dependences on symbolic
7597 scevs that verify can_use_analyze_subscript_affine_affine.
7598 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7599 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7600 Handle symbolic scevs.
7601 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7603 (subscript_dependence_tester): Moved...
7604 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7605 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7606 DDR_SIZE_VECT instead of getting it in parameter.
7607 (subscript_dependence_tester): ... here. Take as a parameter
7608 loop_nest_depth. Call build_classic_dist_vector and
7609 build_classic_dir_vector.
7610 (compute_affine_dependence): Update subscript_dependence_tester
7611 parameters. Update datadep_stats counters. Call
7612 compute_subscript_distance.
7613 (compute_self_dependence): Save the dist and dir vectors. Call
7614 compute_subscript_distance.
7615 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7616 (compute_all_dependences): Reorder parameters as they were before
7617 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7618 compute_subscript_distance. Update the use of
7619 compute_affine_dependence and initialize_data_dependence_relation.
7620 (find_data_references_in_loop): Handle COMPONENT_REF.
7621 (compute_data_dependences_for_loop): Initialize dependence_stats.
7622 Don't call build_classic_dist_vector and build_classic_dir_vector.
7623 Update the parameters of initialize_data_dependence_relation and
7624 compute_all_dependences. Print the statistics from datadep_stats.
7625 (analyze_all_data_dependences): Static. Not used until the pass for
7626 checking the data dependences is contributed.
7627 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7628 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7629 (initialize_data_dependence_relation, compute_affine_dependence,
7630 analyze_all_data_dependences, compute_subscript_distance): Removed.
7631 (print_direction_vector): New.
7632 * lambda.h (gcd): ... here.
7633 (lambda_vector_gcd): Moved here from gcd_vector.
7634 * lambda-code.c (gcd, gcd_vector): Removed.
7635 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7636 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7638 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7640 * ipa-type-escape.c: Tidy some comments and white space.
7641 * tree-ssa-operands.c: Likewise.
7643 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7646 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7647 (dump_decl_name): Do not walk the decl tree chains.
7648 * tree-pass.h (TDF_CHAIN): Remove.
7650 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7652 * Makefile.in (C): Remove
7654 (.PHONY): Remove C and PROTO
7656 2006-02-20 Roger Sayle <roger@eyesopen.com>
7659 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7660 deprecated CHAR_TYPE tree code.
7662 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7664 * configure.ac (target_list): Add install-info, dvi, html.
7665 * configure: Regenerate.
7667 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7668 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7669 treelang/Make-lang.in: Do not use double-colon rules.
7671 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7673 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7674 (TMT_USED_ALONE): New macro.
7675 * tree-pass.h (PROP_tmt_usage): New property.
7676 (TODO_update_tmt_usage): New todo.
7677 * tree-ssa-alias.c (updating_used_alone): New variable.
7678 (recalculate_used_alone): New function.
7679 (compute_may_aliases): Set updating_used_alone, call
7680 recalculate_used_alone.
7681 * tree-sra.c (pass_sra): Note that this pass destroys
7682 PROP_tmt_usage, and add TODO_update_tmt_usage.
7683 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7684 * tree-flow.h (updating_used_alone): Prototype.
7685 (recalculate_used_alone): Ditto.
7686 * passes.c (execute_todo): Add code to set updating_used_alone,
7687 and call recalculate.
7688 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7689 for clobber if used alone, and add assert to verify used_alone
7692 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7694 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7695 for non tls symbols added.
7696 (legitimize_address): Do nothing for PLUS expressions if one of the
7697 addends is a tls symbol reference.
7699 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7703 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7705 * Makefile.in (BOOTSTRAPPING): New.
7706 (quickstrap): New definition if BOOTSTRAPPING=yes.
7708 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7709 * configure.ac: Substitute all_selected_languages with the languages
7710 that were configured. For all the other variables except
7711 lang_specs_files, include all the languages in the tree.
7712 * configure: Regenerate.
7714 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7715 if there is one. Run the commands to run fixincludes in the same
7718 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7719 * doc/install.texi: Document exact conventions for searching target tools.
7720 Document --with-build-time-tools. Document toplevel bootstrap. Document
7721 something more about building an Ada cross-compiler. Don't list GNU Make
7722 requirements which affect all platforms.
7724 2006-02-19 Roger Sayle <roger@eyesopen.com>
7727 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7728 only equivalent if the have both the same mode and precision.
7730 2006-02-20 Ben Elliston <bje@au.ibm.com>
7732 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7734 2006-02-19 Roger Sayle <roger@eyesopen.com>
7735 Steven Bosscher <stevenb.gcc@gmail.com>
7737 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7738 constant pool references to identify stack mode constants.
7739 * rtlanal.c (constant_pool_constant_p): New predicate to check
7740 whether operand is a floating point constant in the pool.
7741 * rtl.h (constant_pool_constant_p): Prototype here.
7742 * loop.c (scan_loop): Avoid hoisting constants from the constant
7743 pool on STACK_REGS targets.
7744 (load_mems): Likewise.
7745 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7746 loads into x87 registers expensive in terms of register pressure.
7748 2006-02-19 Roger Sayle <roger@eyesopen.com>
7750 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7751 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7753 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7755 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7756 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7758 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7760 * doc/invoke.texi: Document -fipa-pta.
7761 * common.opt: Add ipa-pta option.
7762 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7763 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7764 (do_ds_constraint): Ditto.
7765 (get_constraint_for): Only add to referenced_vars if
7766 referenced_vars exists.
7767 (insert_into_field_list): Rewrite to do this unsorted.
7768 (insert_into_field_list_sorted): Rename old insert_into_field_list
7770 (create_function_info_for): Use insert_into_field_list_sorted.
7771 (create_variable_info_for): Rewrite so it uses unsorted version,
7772 since the field list is sorted.
7773 (intra_create_variable_infos): Only add to referenced_vars if
7774 referenced_vars exists.
7775 (ipa_pta_execute): Init heapvars, and delete when done.
7776 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7778 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7780 * doc/install.texi: Add missing `@samp'.
7782 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7784 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7787 2006-02-18 Mark Wielaard <mark@klomp.org>
7789 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7790 who added new 4.1 features, bug fixes and integration support.
7792 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7795 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7798 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7800 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7801 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7802 (copy_insn_1): Likewise. Don't copy each field individually.
7804 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7806 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7807 * rtl.c (rtx_size): Rename variable to...
7808 (rtx_code_size): ...this.
7809 (rtx_size): New function.
7810 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7811 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7813 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7814 * rtl.h (rtx_code_size): New variable.
7815 (rtx_size): Change from a variable to a function.
7816 (RTX_SIZE): Rename to...
7817 (RTX_CODE_SIZE): ...this.
7820 PR tree-optimization/17106
7821 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7822 (Anchored Addresses): New section.
7823 * doc/invoke.texi (-fsection-anchors): Document.
7824 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7825 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7826 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7827 * hooks.c (hook_bool_mode_rtx_false): New function.
7828 * hooks.h (hook_bool_mode_rtx_false): Declare.
7829 * gengtype.c (create_optional_field): New function.
7830 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7831 SYMBOL_REF_IN_BLOCK_P is true.
7832 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7833 (min_anchor_offset, max_anchor_offset): Likewise.
7834 (use_anchors_for_symbol_p): New hook.
7835 * toplev.c (compile_file): Call output_object_blocks.
7836 (target_supports_section_anchors_p): New function.
7837 (process_options): Check that -fsection-anchors is only used on
7838 targets that support it and when -funit-at-a-time is in effect.
7839 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7840 if the decl doesn't have one.
7841 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7842 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7843 of force_const_mem through use_anchored_address.
7844 (expand_expr_constant): New function.
7845 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7846 calling expand_expr for INDIRECT_REF.
7847 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7848 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7849 * expr.h (use_anchored_address): Declare.
7850 * loop-unroll.c: Don't declare rtx vectors here.
7851 * explow.c: Include output.h.
7852 (validize_mem): Call use_anchored_address.
7853 (use_anchored_address): New function.
7854 * common.opt (-fsection-anchors): New switch.
7855 * varasm.c (object_block_htab, anchor_labelno): New variables.
7856 (hash_section, object_block_entry_eq, object_block_entry_hash)
7857 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7858 (use_blocks_for_decl_p, change_symbol_section): New functions.
7859 (get_variable_section): New function, split out from assemble_variable.
7860 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7861 use_blocks_for_decl_p say so. Use change_symbol_section if the
7862 symbol has already been created.
7863 (assemble_variable_contents): New function, split out from...
7864 (assemble_variable): ...here. Don't output any code for
7865 block symbols; just pass them to place_block_symbol.
7866 Use get_variable_section and assemble_variable_contents.
7867 (get_constant_alignment, get_constant_section, get_constant_size): New
7868 functions, split from output_constant_def_contents.
7869 (build_constant_desc): Create a block symbol if use_object_blocks_p
7870 says so. Or into SYMBOL_REF_FLAGS.
7871 (assemble_constant_contents): New function, split from...
7872 (output_constant_def_contents): ...here. Don't output any code
7873 for block symbols; just pass them to place_section_symbol.
7874 Use get_constant_section and get_constant_alignment.
7875 (force_const_mem): Create a block symbol if use_object_blocks_p and
7876 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7877 (output_constant_pool_1): Add an explicit alignment argument.
7878 Don't switch sections here.
7879 (output_constant_pool): Adjust call to output_constant_pool_1.
7880 Switch sections here instead. Don't output anything for block symbols;
7881 just pass them to place_block_symbol.
7882 (init_varasm_once): Initialize object_block_htab.
7883 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7884 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7885 (place_block_symbol, get_section_anchor, output_object_block)
7886 (output_object_block_htab, output_object_blocks): New functions.
7887 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7888 (TARGET_ASM_OUT): Include it.
7889 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7890 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7891 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7892 (TARGET_INITIALIZER): Include them.
7893 * rtl.c (rtl_check_failed_block_symbol): New function.
7894 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7895 (block_symbol, object_block): New structures.
7896 (rtx_def): Add a block_symbol field to the union.
7897 (BLOCK_SYMBOL_CHECK): New macro.
7898 (rtl_check_failed_block_symbol): Declare.
7899 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7900 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7901 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7902 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7903 * output.h (output_section_symbols): Declare.
7904 (object_block): Name structure.
7905 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7906 (default_use_anchors_for_symbol_p): Declare.
7907 * Makefile.in (RTL_BASE_H): Add vec.h.
7908 (explow.o): Depend on output.h.
7909 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7910 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7911 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7912 (rs6000_use_blocks_for_constant_p): New function.
7914 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7916 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7918 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7921 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7924 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7926 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7930 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7933 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7934 instead of DECL_REGISTER.
7936 2006-02-18 Olivier Hainque <hainque@adacore.com>
7939 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7941 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7944 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7945 * opth-gen.awk: Handle Var and InverseMask together.
7946 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7947 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7948 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7949 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7951 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7952 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7953 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7954 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7955 LINUX_DYNAMIC_LINKER): Define.
7956 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7957 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7959 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7960 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7961 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7962 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7963 (TARGET_C99_FUNCTIONS): Don't define.
7964 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7965 GLIBC_DYNAMIC_LINKER.
7966 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7967 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7968 GLIBC_DYNAMIC_LINKER64): Define.
7969 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7970 LINUX_DYNAMIC_LINKER64.
7971 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7972 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7973 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7974 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7975 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7976 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7977 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7978 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7979 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7980 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7981 and LINUX_DYNAMIC_LINKER32.
7982 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7983 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7984 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7985 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7986 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7988 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7989 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7990 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7991 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7992 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7993 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7994 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7995 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7996 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7997 LINUX_DYNAMIC_LINKER): Define.
7998 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7999 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8000 GLIBC_DYNAMIC_LINKER64): Define.
8001 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8002 LINUX_DYNAMIC_LINKER64.
8003 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8004 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8005 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8006 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8007 LINUX_DYNAMIC_LINKER): Define.
8008 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8009 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8010 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8011 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8012 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8013 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8014 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8015 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8016 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8017 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8018 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8019 * doc/invoke.texi (-muclibc): Remove caveat about supported
8022 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8024 * doc/cpp.texi (__TIMESTAMP__): Document.
8026 2006-02-17 Roger Sayle <roger@eyesopen.com>
8029 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8030 C is one less than the width of X (and related transformations).
8031 * simplify-rtx.c (simplify_unary_operation_1): Transform
8032 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8033 depending on STORE_FLAG_VALUE, were C is one less then the
8036 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8038 Fix PR tree-optimization/26341
8039 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8040 about NAME_MEMORY_TAG's.
8042 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8045 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8046 with hardware float support, and software float support. Add fcpy
8047 alternative to hardware patterns. Add alternatives to copy between
8048 general and floating-point registers to the 32-bit pattern.
8049 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8050 secondary reload to load a QI or HI mode constant into a floating
8052 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8053 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8055 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8058 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8060 (load_macho_picbase_di): Likewise.
8062 2006-02-16 Jeff Law <law@redhat.com>
8064 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8065 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8066 (ssa_name_nonzero_p): Likewise.
8067 (get_value_range): Return NULL if VRP is not running.
8068 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8069 VRP routines do not discover a range.
8070 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8071 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8072 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8073 (tree_expr_nonnegative_p): Similarly.
8074 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8075 (restore_nonzero_vars_to_original_value): Remove.
8076 (unsafe_associative_fp_binop): Remove.
8077 (tree_ssa_dominator_optimize): Remove initialization and
8078 finalization of nonzero_vars and nonzero_vars_stack.
8079 (dom_opt_initialize_block): No longer push marker on
8081 (dom_opt_finalize_block): No longer call
8082 restore_nonzero_vars_to_original_value.
8083 (record_equivalences_from_phis): No longer look for
8084 nonzero PHI arguments.
8085 (cprop_into_successor_phis): No longer propagate nonzero
8086 property into PHI arguments. Lose unused argument. Caller
8088 (record_equivalences_from_stmt): No longer record nonzero
8089 values for SSA_NAMEs.
8090 (lookup_avail_expr): No longer use nonzero_vars.
8092 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8093 for sizetype when sizetype is unsigned.
8095 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8097 PR rtl-optimization/25603
8098 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8099 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8100 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8101 with new meaning of SETS.
8103 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8108 * config/linux.opt: New file.
8109 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8110 LINUX_DYNAMIC_LINKER): Define.
8111 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8112 * config.gcc (*-*-linux*): Define extra_options.
8113 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8114 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8115 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8116 GLIBC_DYNAMIC_LINKER.
8117 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8118 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8119 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8120 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8121 * doc/invoke.texi (GNU/Linux Options): New section.
8123 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8125 * config/sparc/sparc.md (setjmp): Rewrite.
8126 (setjmp_32): Delete.
8127 (setjmp_64): Likewise.
8129 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8131 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8134 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8136 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8139 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8141 PR rtl-optimization/26296
8142 * Makefile.in (loop-invariant.c): Add except.h dependency.
8143 * loop-invariant.c: Include except.h.
8144 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8146 2005-02-16 Paul Brook <paul@codesourcery.com>
8148 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8151 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8153 PR rtl-optimization/25636
8154 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8155 when deciding whether an insn is an initializing insn.
8157 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8159 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8160 (tree_code_size): Ditto.
8161 * tree.h (struct tree_memory_tag): Remove parent_var.
8162 (struct tree_struct_field_tag): New.
8165 (union tree_node): Add sft member.
8166 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8168 (create_sft): Add size and offset argument, set SFT_OFFSET and
8170 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8171 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8172 * tree-flow-inline.h (get_subvar_at): Update for
8173 SFT_OFFSET/SFT_SIZE.
8174 (var_can_have_subvars): Ditto.
8175 (overlap_subvar): Ditto.
8176 * print-tree.c (print_node): Print out interesting things for
8178 * tree-flow.h (struct subvar): Remove offset and size members.
8179 * tree-ssa-operands.c (get_expr_operands): Update for
8180 get_indirect_ref_operands changes.
8181 (get_indirect_ref_operands): Call add_virtual_operand instead of
8182 add_stmt_operand. Only recurse on base var if requested.
8183 (access_can_touch_variable): New function.
8184 (add_stmt_operand): Split virtual operand handling into ...
8185 (add_virtual_operand): Here. Add offset, size, and for_clobber
8186 arguments. Prune alias sets.
8187 (add_call_clobber_ops): Call add_virtual_operand.
8189 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8192 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8194 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8195 than TREE_CODE as index into omp_clause_num_ops array.
8197 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8199 PR rtl-optimization/26184
8200 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8202 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8203 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8204 must_precede, must_follow and tobe_scheduled.
8207 * opts.c (common_handle_option): Free new_option pointer.
8208 * df-core.c (df_analyze): Free postorder pointer.
8210 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8212 * Makefile.in: Fix the examples about the use of stamps
8214 2006-02-15 Michael Matz <matz@suse.de>
8218 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8219 influenced by maximum_field_alignment or DECL_PACKED.
8220 (update_alignment_for_field): Ditto.
8221 (place_field): Ditto.
8222 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8225 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8227 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8228 (debug_flow_info): Pass it.
8229 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8230 * bb-reorder.c (reorder_basic_blocks): Likewise.
8231 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8232 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8233 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8234 * gcse.c (gcse_main, bypass_jumps): Likewise.
8235 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8236 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8237 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8238 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8239 * rtl.h (dump_flow_info): Adjust prototype.
8240 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8241 * var-tracking.c (variable_tracking_main): Likewise.
8242 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8243 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8246 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8248 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8251 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8253 PR tree-optimization/26209
8254 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8255 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8257 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8259 2006-02-14 Roger Sayle <roger@eyesopen.com>
8262 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8263 (X,Y) and the corresponding symmetry related transformations.
8264 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8265 (X,Y) and its symmetry related transformations.
8267 2006-02-14 Roger Sayle <roger@eyesopen.com>
8269 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8272 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8274 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8276 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8279 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8280 support COMDAT group.
8281 * configure: Regenerate.
8283 2006-02-14 Roger Sayle <roger@eyesopen.com>
8288 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8290 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8292 Fix PR tree-optimization/26260
8294 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8296 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8297 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8298 * tree-ssa-structalias.c (create_variable_info_for): Use
8299 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8301 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8303 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8305 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8306 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8307 of the ending condition.
8308 * tree-ssa-loop-manip.c: Include params.h.
8309 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8310 tree_unroll_loop): New functions.
8311 * tree-pass.h (pass_loop_prefetch): Declare.
8312 * loop.c (rest_of_handle_loop_optimize): Test for
8313 -fprefetch-loop-arrays-rtl.
8314 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8315 * timevar.def (TV_TREE_PREFETCH): New timevar.
8316 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8317 pass_loop_prefetch): New.
8318 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8319 (cleanup_tree_cfg_loop): Call scev_reset.
8320 * common.opt (fprefetch-loop-arrays-rtl): Add.
8321 * tree-ssa-loop-prefetch.c: New file.
8322 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8323 (new_temp_expr_table): Initialize expr_vars.
8324 (free_temp_expr_table): Cleanup expr_vars.
8325 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8326 expressions from being merged into one.
8327 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8328 (struct tree_niter_desc): Add control, bound and cmp fields.
8329 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8331 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8332 (tree-cfgcleanup.o): Add SCEV_H dependency.
8333 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8334 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8336 2006-02-14 Richard Guenther <rguenther@suse.de>
8338 PR tree-optimization/26258
8339 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8340 in PHI argument processing.
8342 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8344 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8345 new expression in the requested machine mode.
8347 2006-02-13 Roger Sayle <roger@eyesopen.com>
8349 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8350 directly, instead let do_compare_rtx_and_jump handle this for us.
8351 * expr.c (expand_expr_real_1): Likewise.
8352 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8353 before do_jump_by_parts_greater.
8354 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8355 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8357 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8359 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8361 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8363 PR rtl-optimization/26235
8364 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8365 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8368 2006-02-13 Jeff Law <law@redhat.com>
8370 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8373 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8376 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8377 twice if decl is a builtin. When trying again, call get_callee_fndecl
8378 first to verify it is still a builtin.
8380 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8382 * dwarf2out.c (base_type_die): Don't add AT_name here.
8383 (subrange_type_die): Don't add AT_name here.
8384 (modified_type_die): Rearrange code flow. Do add AT_name here.
8386 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8388 PR rtl-optimization/26247
8389 PR rtl-optimization/26248
8390 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8392 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8394 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8395 * config/fixtfdi.c: Likewise.
8396 * config/fixunstfdi.c: Likewise.
8397 * config/floatditf.c: Likewise.
8399 2006-02-13 Roger Sayle <roger@eyesopen.com>
8402 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8403 into (X,C2) if C1 is a subset of the bits of C2. Transform
8404 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8406 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8408 2006-02-13 Josh Conner <jconner@apple.com>
8411 * varasm.c (function_section): Check for section name before
8412 calling select_section on targets that define
8413 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8414 unlikely_text_section instead of hot_function_section if
8415 first_function_block_is_cold.
8417 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8420 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8422 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8424 PR rtl-optimization/26222
8425 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8426 after tree->rtl expansion.
8427 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8428 before passing it to emit_move_insn.
8430 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8432 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8434 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8435 Clarify documentation.
8436 * c-common.h (warn_write_strings): Remove.
8437 * c-common.c (warn_write_strings): Likewise.
8438 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8441 2006-02-12 Roger Sayle <roger@eyesopen.com>
8444 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8445 (do_jump_parts_zero_rtx): New function renamed from
8446 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8447 (do_jump_parts_equality_rtx): New function split out from
8448 do_jump_parts_equality. Old implementation renamed as above.
8449 Call do_jump_parts_zero_rtx if either operand is zero.
8450 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8451 do all of the heavy lifting.
8452 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8453 calling either do_jump_by_parts_greater_rtx or
8454 do_jump_by_parts_equality_rtx.
8455 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8456 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8457 moved to do_compare_rtx_and_jump, call it directly.
8458 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8459 mode argument. Call do_compare_rtx_and_jump.
8460 (emit_case_nodes): Update calls to do_jump_if_equal.
8462 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8464 PR rtl-optimization/26225
8465 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8467 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8469 PR rtl-optimization/26232
8470 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8472 2006-02-11 Jason Merrill <jason@redhat.com>
8475 * tree-inline.c (declare_return_variable): Just don't use the
8476 modify target if it's a gimple complex reg and the return slot
8479 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8481 * doc/contrib.texi: Update my entry.
8483 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8485 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8487 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8489 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8492 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8494 * doc/invoke.texi (-floop-optimize2): Removed.
8495 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8496 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8497 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8498 * common.opt (floop-optimize2): Removed.
8499 (fmove-loop-invariants): Enabled by default.
8501 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8503 * tree-if-conv.c (combine_blocks): Free the result of
8504 get_loop_exit_edges.
8506 2006-02-10 Jeff Law <law@redhat.com>
8508 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8510 PR tree-optimization/26213
8511 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8512 loop trying to follow SSA_NAME_VALUE chains.
8514 2006-02-10 Richard Guenther <rguenther@suse.de>
8516 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8517 deal with structures that end in implicitly variable sized arrays.
8519 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8521 PR rtl-optimization/24762
8522 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8525 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8527 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8528 (struct ivopts_data): Add regs_used field.
8529 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8530 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8531 instead of loop_data->regs_used;
8532 (free_loop_data): Do not free aux fields for loops.
8533 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8534 and tree_ssa_iv_optimize_finalize.
8536 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8538 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8540 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8543 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8544 computing the effective result type.
8546 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8549 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8550 (tree_overlaps_hard_reg_set): Declare.
8551 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8552 type and signature to match function type expected by walk_tree.
8553 (tree_overlaps_hard_reg_set): New function.
8554 (decl_conflicts_with_clobbers_p): Rename to:
8555 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8556 Use tree_overlaps_hard_reg_set. Changed caller.
8557 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8558 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8559 * cris.c (cris_md_asm_clobbers): Likewise.
8561 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8563 * reload1.c (emit_input_reload_insns): Delete code that tries to
8564 inherit using find_equiv_reg.
8566 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8568 * c-common.h (flag_const_strings): Don't declare.
8569 * c-common.c (flag_const_strings): Remove.
8570 * c.opt (fconst_strings): Remove.
8571 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8572 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8573 (c_common_init_options): Don't set flag_const_strings.
8574 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8576 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8578 * arm.md (tlobits_cbranch): New pattern.
8579 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8580 testing a single bit.
8582 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8585 * tree-ssa-pre.c (create_component_ref_by_pieces):
8586 Handle RETURN_DECL like VAR_DECL.
8588 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8591 * fold-const.c (fold_indirect_ref_1): Fold
8592 "*(foo *)&complexfoo" to "__real__ complexfoo"
8593 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8595 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8597 * tree-flow-inline.h (var_can_have_subvars):
8598 Volatile variables should not have subvariables.
8600 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8603 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8604 multiplying unsigned values.
8607 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8609 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8611 2006-02-08 Jason Merrill <jason@redhat.com>
8614 * tree.def: Elaborate on difference from MODIFY_EXPR.
8615 * doc/c-tree.texi (INIT_EXPR): Likewise.
8616 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8617 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8618 (gimplify_target_expr): Likewise.
8619 (gimplify_cond_expr): Remove target handling.
8620 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8621 (gimplify_expr): Clobber it here.
8622 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8623 Do return slot optimization if we have an INIT_EXPR.
8626 * tree-inline.c (declare_return_variable): Also clear
8627 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8630 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8633 * gimplify.c (gimplify_one_sizepos): Fix typo.
8635 2006-02-08 Jeff Law <law@redhat.com>
8637 PR tree-optimization/21417
8638 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8639 across a backedge if the control statement at the end of the
8640 block is data dependent on other statements in the same block.
8641 (record_temporary_equivalences_from_stmts): Remove over-conservative
8642 test for threading across backedges.
8644 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8645 control statement, handle all three special cases in the same
8646 manner as they all have the same desired solution. No longer
8647 special case edge flag updating when the post dominator is
8650 2006-02-08 Roger Sayle <roger@eyesopen.com>
8652 * tree.def (CHAR_TYPE): Remove.
8653 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8654 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8655 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8656 (gen_string_type_die): Delete unreachable function.
8658 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8659 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8660 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8661 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8662 * builtins.c (type_to_class): Likewise.
8663 * fold-const.c (fold_convert, build_range_check,
8664 merge_ranges): Likewise.
8665 * expr.c (count_type_elements): Likewise.
8666 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8667 * stor-layout.c (layout_type): Likewise.
8668 * ipa-type-escape.c (type_to_consider): Likewise.
8669 * gimplify.c (omp_firstprivatize_type_sizes,
8670 gimplify_type_sizes): Likewise.
8671 * explow.c (promote_mode): Likewise.
8672 * tree-sra.c (is_sra_scalar_type): Likewise.
8673 * varasm.c (output_constant): Likewise.
8674 * tree-inline.c (remap_type_1): Likewise.
8675 * convert.c (convert_to_pointer, convert_to_real,
8676 convert_to_integer, convert_to_complex): Likewise.
8678 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8680 * df-scan.c (df_def_record_1): A set destination may
8681 be a parallel regardless of mode.
8683 2006-02-08 Roger Sayle <roger@eyesopen.com>
8686 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8687 * config/mips/_tilib.c: Remove.
8688 * config/fixtfdi.c: New libgcc source file.
8689 * config/fixunstfdi.c: New source file.
8690 * config/floatditf.c: New source file.
8691 * config/floatunditf.c: New souce file.
8692 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8693 files above instead of config/mips/_tilib.c.
8694 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8696 2006-02-08 Jeff Law <law@redhat.com>
8698 PR tree-optimization/26169
8699 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8702 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8704 * df.h (DF_REG_SIZE): Return the length of the initialized
8707 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8709 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8710 __muldf3): Return a correctly signed zero.
8712 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8714 * passes.c (register_one_dump_file): Accept the current properties
8715 instead of pass number. Adjust call to dump_register. Remove
8717 (register_dump_files): Now a wrapper around...
8718 (register_dump_files_1): ... this one. Do not modify the pass
8720 (next_pass_1): Cosmetic fix.
8721 (execute_todo): Keep second parameter only. Use curr_properties
8722 instead of fetching it from the pass structure. Check and set
8724 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8725 instead of fetching it from the pass structure. Fix calls to
8726 execute_todo. Update curr_properties and initialize .vcg RTL dump
8727 after running the pass. Reset last_verified.
8728 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8730 (FIRST_AUTO_NUMBERED_DUMP): New.
8731 (dump_register): Remove "num" parameter, assign it within the
8733 (get_dump_file_name): Modify template for dumps.
8734 * tree-dump.h (dump_register): Adjust prototype.
8735 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8736 (PROP_trees): Add PROP_gimple_lomp.
8737 (TODO_set_props): New.
8738 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8739 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8740 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8742 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8744 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8745 (sparc64-*-linux*): Likewise.
8746 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8747 * config/sparc/t-linux: New file.
8748 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8749 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8750 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8751 -m32 -mlong-double-128.
8753 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8754 * config/alpha/t-linux: New file.
8755 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8757 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8758 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8759 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8760 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8761 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8762 (CPP_ARCH32_SPEC): Remove.
8764 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8766 PR tree-optimization/26145
8767 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8770 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8773 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8774 >= 240000 when generating code for SOM runtime.
8775 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8776 to $$dyncall when generating code for SOM runtime..
8778 2006-02-07 Dirk Mueller <dmueller@suse.com>
8781 * doc/invoke.texi (-Wsequence-point): Update documentation
8782 that -Wsequence-point is implemented for C++ as well.
8784 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8786 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8787 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8788 (LIB_SPEC): Likewise.
8789 * doc/invoke.texi (SPARC options): Document -pthread.
8791 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8793 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8796 2006-02-07 Roger Sayle <roger@eyesopen.com>
8798 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8799 Correct comment describing BOOLEAN_TYPE.
8801 2006-02-07 Dirk Mueller <dmueller@suse.com>
8803 * c.opt: C++ frontend supports -Wdiv-by-zero.
8804 * c-opts.c (c_common_handle_option): Remove dead case.
8806 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8808 * configure.ac (TLS assembler check): Do not enable TLS by
8809 default on SPARC/Solaris before version 10.
8810 * configure: Regenerate.
8812 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8814 * doc/invoke.texi (xl-compat): Document conversion and support
8817 2006-02-07 Jeff Law <law@redhat.com>
8819 * tree-vrp.c (find_conditional_asserts): Update comments.
8820 (simplify_stmt_for_jump_threading): New.
8821 (identify_jump_threads, finalize_jump_threads): New.
8822 (vrp_finalize): Call identify_jump_threads.
8823 (execute_vrp): Call finalize_jump_threads.
8824 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8825 (vrp_element, vrp_data, vrp_element_p): Remove.
8826 (vrp_hash_elt, vrp_variables_stack): Remove.
8827 (vrp_hash, vrp_eq, record_range): Remove.
8828 (simplify_cond_and_lookup_avail_expr): Remove.
8829 (extract_range_from_cond): Remove.
8830 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8831 (simplify_stmt_for_jump_threading): New.
8832 (dom_thread_across_edge): New wrapper.
8833 (tree_ssa_dominator_optimize): No longer initialize or
8834 finalize any of the VRP datastructures. Remove iteration
8835 step and simplify as a result of removal of iteration step.
8836 (pass_dominator): Perform a cfg cleanup after DOM.
8837 (dom_opt_finalize_block): Use the new common routines
8838 for threading jumps. Simplify stack management slightly.
8839 No longer need to unwind VRP state.
8840 (record_equivalences_from_incoming_edge): No longer record
8842 (eliminate_redundant_computations): No longer call
8843 simplify_cond_and_lookup_avail_expr.
8844 * tree-flow.h (potentially_threadable_block): Prototype.
8845 (thread_across_edge): Likewise.
8846 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8847 (tree-ssa-threadedge.o): Add dependencies.
8848 * tree-ssa-threadedge.c: New file.
8849 * passes.c (init_optimization_passes): Merge PHIs before
8850 calling VRP. Run VRP again late in the SSA optimization pipeline.
8852 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8854 * df-core.c (df_set_blocks): Do not dereference function pointers.
8855 (df_finish1): Likewise.
8856 (df_hybrid_search_forward): Likewise.
8857 (df_hybrid_search_backward): Likewise.
8858 (df_iterative_dataflow): Likewise.
8859 (df_analyze_problem): Likewise.
8860 (df_compact_blocks): Likewise.
8861 (df_dump): Likewise.
8862 * df-scan.c (df_rescan_blocks): Likewise.
8863 (df_record_entry_block_defs): Likewise.
8865 * genconditions.c (write_conditions): Guard the definition of
8866 'insn_conditions' with the check on GCC version.
8867 (write_writer): Guard the traversal 'insn_conditions' with
8868 the check on GCC version.
8870 2006-02-07 Richard Guenther <rguenther@suse.de>
8874 2006-01-30 Richard Guenther <rguenther@suse.de>
8876 * gimplify.c (gimplify_target_expr): Handle easy cases
8877 without creating a temporary.
8879 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8881 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8882 use of float in probability computations. Use edge probabilities
8883 in place of statically computed probabilities.
8884 (min_spec_prob): New static variable.
8885 (schedule_insns): Initialize it.
8886 (GET_SRC_PROB): Removed.
8887 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8889 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8892 * config/ia64/unwind-ia64.c: Revert last change.
8893 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8894 (INCOMING_FRAME_SP_OFFSET): Define.
8896 2006-02-06 Roger Sayle <roger@eyesopen.com>
8898 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8900 2006-02-07 Ben Elliston <bje@au.ibm.com>
8902 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8903 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8904 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8905 (ix86_return_in_memory): Handle TDmode.
8906 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8907 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8909 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8911 * reorg.c (dbr_schedule): Use dump_file instead of file.
8913 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8916 * config/ia64/predicates.md (extr_len_operand): New predicate.
8917 * config/ia64/ia64.md (extv): Tighten constraints.
8919 (*tbit_and_2): Ditto.
8920 (*tbit_and_3): Ditto.
8921 (*tbit_or_2): Ditto.
8922 (*tbit_or_3): Ditto.
8926 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8929 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8931 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8933 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8934 loop_optimizer_init and loop_optimizer_finalize
8935 * tree-ssa-sink.c (execute_sink_code): Ditto.
8936 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8937 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8938 tree_ssa_loop_done): Ditto.
8939 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8940 * sched-ebb.c: Include output.h.
8941 (schedule_ebbs): Do not use dump argument.
8942 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8943 * loop.c (loop_dump_stream): Removed.
8944 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8946 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8947 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8948 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8949 loop_iterations, strength_reduce, record_biv, record_giv,
8950 final_giv_value, check_final_value, check_ext_dependent_givs,
8951 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8952 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8953 dump_file instead of loop_dump_stream.
8954 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8956 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8958 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8959 * haifa-sched.c: Include output.h
8960 (schedule_insns, sched_init): Do not use dump argument.
8961 * mode-switching.c (optimize_mode_switching): Ditto.
8962 * modulo-sched.c (stats_file): Removed.
8963 (print_node_sched_params): Do not call argument dump_file.
8964 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8965 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8967 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8969 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8970 rtl_loop_init, rtl_loop_done): Ditto.
8971 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8972 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8974 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8975 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8976 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8977 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8978 * emit-rtl.c (renumber_insns): Ditto.
8979 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8980 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8981 * regclass.c (regclass): Ditto.
8982 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8983 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8984 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8985 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8987 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8988 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8990 * gcse.c (gcse_file, debug_stderr): Removed.
8991 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8992 rest_of_handle_gcse): Do not use dump argument.
8993 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8994 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8995 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8996 compute_code_hoist_vbeinout, compute_code_hoist_data,
8997 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8998 compute_store_table, build_store_vectors, insert_insn_start_bb,
8999 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9000 store_motion): Use dump_file instead of gcse_file.
9001 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9002 * profile.c (profile_dump_file): Removed.
9003 (branch_prob): Use dump_file instead of profile_dump_file.
9004 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9006 * tree-ssa-copy.c (dump_copy_of): Ditto.
9007 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9008 dump file to life_analysis.
9009 * bt-load.c (branch_target_load_optimize): Ditto.
9010 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9012 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9013 regclass, dbr_schedule): Declaration changed.
9014 * sched-int.h (sched_init): Declaration changed.
9015 * tree-profile.c (tree_profile_dump_file): Removed.
9016 (tree_profile_hooks): Removed profile_dump_file hook.
9017 * rtl-profile (rtl_profile_dump_file): Removed.
9018 (rtl_profile_hooks): emoved profile_dump_file hook.
9019 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9021 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9022 * tree-cfg.c (build_tree_cfg): Ditto.
9023 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9024 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9025 Declaration changed.
9026 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9027 life_analysis and schedule_insns.
9028 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9030 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9032 * config/mips/mips.c (mips_reorg): Ditto.
9033 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9036 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9038 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9039 (s390_mangle_fundamental_type): New.
9040 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9043 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9044 (alpha_mangle_fundamental_type): New.
9045 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9048 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9050 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9052 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9053 (sparc_mangle_fundamental_type): New.
9055 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9057 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9058 (s390x-*-linux*): Likewise.
9059 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9060 * config/s390/t-linux: New file.
9062 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9064 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9065 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9067 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9069 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9070 (ANTIC_SAFE_LOADS): New macro.
9071 (find_or_generate_expression): Add prototype.
9072 (set_contains_value): Allow null set for sake of not always having
9073 to allocate ANTIC_SAFE_LOADS.
9074 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9075 Allow COMPONENT_REF too.
9076 (valid_in_set): Allow COMPONENT_REF.
9077 Check ANTIC_SAFE_LOADS too.
9078 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9079 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9081 (can_PRE_operation): Add COMPONENT_REF.
9082 (create_component_ref_by_pieces): New function.
9083 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9084 (insert_aux): Move AGGREGATE_TYPE_P check here.
9085 (compute_avail): Set bb local stmt uids.
9086 (pass_pre): Use TODO_update_ssa_only_virtuals.
9088 2006-02-06 Ben Elliston <bje@au.ibm.com>
9090 * configure.ac: Unconditionally disable decimal float by default.
9091 * configure: Regenerate.
9093 2006-02-06 Ben Elliston <bje@au.ibm.com>
9095 * read-rtl.c (read_name): Terminate reading on EOF.
9097 2006-02-06 Ben Elliston <bje@au.ibm.com>
9099 * dfp.c (decimal_real_arithmetic): Change second argument type
9100 from int to enum tree_code. Do not always return true, but now
9101 return result of any call to decimal_do helper functions.
9102 * dfp.h (decimal_real_arithmetic): Update prototype.
9104 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9106 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9108 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9111 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9114 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9116 * tree-vrp.c (cfg_loops): Removed.
9117 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9118 Use current_loops instead of cfg_loops. Pass flags to
9119 loop_optimizer_init.
9120 * cfgloopmanip.c (fix_loop_structure): Update only available
9122 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9123 loop_optimizer_init.
9124 * modulo-sched.c (build_loops_structure): Removed.
9125 (sms_schedule): Use loop_optimizer_init.
9126 * loop-init.c (loop_optimizer_init): Use flags to determine
9127 which properties of loops to prepare.
9128 (rtl_loop_init): Pass flags to loop_optimizer_init.
9129 * tree-ssa-sink.c (execute_sink_code): Ditto.
9130 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9131 * tree-ssa-pre.c (init_pre): Ditto.
9132 * cfgloop.h (LOOPS_NORMAL): New.
9133 (loop_optimizer_init): Declaration changed.
9135 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9137 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9138 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9140 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9142 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9144 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9145 * pa/t-pa64: Delete quadlib.c rule.
9146 * pa/x-ada: Revert last change.
9147 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9149 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9151 PR rtl-optimization/26087
9152 * rtlanal.c (canonicalize_condition): Do not cross basic block
9155 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9158 * config/ia64/ia64.c: Include debug.h.
9159 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9160 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9161 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9162 (process_epilogue, process_set, process_for_unwind_directive):
9163 Output unwind info only if requested. Add CFA info if requested.
9164 Add new arguments as needed. Adjust callers.
9165 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9167 (DWARF2_FRAME_INFO): Define to zero.
9168 * config/ia64/unwind-ia64.c: Remove code that compensated for
9169 the CFA offset error fixed above.
9170 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9171 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9172 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9173 -funwind-tables and -fexceptions to enable frame info.
9174 (dwarf2out_frame_init): Define initial CFA even if
9175 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9176 DWARF2_UNWIND_INFO is nonzero, not just defined.
9177 (dwarf2out_frame_finish): Output non-EH call frame info only
9178 if DWARF2_FRAME_INFO is nonzero.
9179 (convert_cfa_to_loc_list,
9180 compute_frame_pointer_to_cfa_displacement): Define even if
9181 unwind info is not supported.
9182 (gen_subprogram_die): Use the above unconditionally. Remove
9183 legacy alternate code.
9184 * toplev.c (compile_file): Compile in call to
9185 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9186 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9188 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9189 Jakub Jelinek <jakub@redhat.com>
9191 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9192 IBM extended float format long double as "g" on powerpc*-linux.
9194 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9197 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9198 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9200 2006-02-03 Jason Merrill <jason@redhat.com>
9203 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9206 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9207 on the return slot if it's an NRV.
9209 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9211 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9212 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9213 rewrite_use): Do not handle USE_OUTER.
9214 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9215 add_iv_outer_candidates, may_replace_final_value,
9216 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9217 (find_interesting_uses_op): Functionality of
9218 find_interesting_uses_outer_or_nonlin moved here.
9219 (find_interesting_uses_outside): Use find_interesting_uses_op.
9221 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9224 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9226 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9227 Ulrich Weigand <uweigand@de.ibm.com>
9230 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9231 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9232 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9233 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9235 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9236 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9237 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9238 Define secondary reloads for TFmode moves.
9239 (constant_modes): Add TFmode.
9240 (NR_C_MODES): Set to 8.
9241 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9243 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9244 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9245 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9246 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9247 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9248 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9249 (FPR mode macro): Add TFmode.
9250 (DSF mode macro): New.
9251 (<de>, <dee> mode attributes): Removed.
9252 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9253 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9254 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9255 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9256 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9257 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9258 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9259 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9260 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9261 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9262 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9263 "*negabs<mode>2", "sqrt<mode>2"):
9264 Changed <de> to <xde>. R constraint replaced by <Rf>.
9265 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9267 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9268 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9269 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9271 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9272 "extenddftf2", "extendsftf2"): New expanders.
9273 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9274 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9275 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9276 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9278 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9279 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9280 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9281 __floatditf): Add a GCC_4.1.0 symbol version tag.
9282 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9285 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9288 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9289 Use targetm.binds_local_p instead of TREE_PUBLIC.
9291 2006-02-02 Roger Sayle <roger@eyesopen.com>
9293 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9294 on INTEGER_TYPEs to indicate that it denotes a character type.
9295 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9296 signed_char_type_node, unsigned_char_type_node and char_type_node.
9297 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9298 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9299 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9301 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9302 Daniel Berlin <dberlin@dberlin.org>
9304 * tree-tailcall.c (arg_needs_copy_p): New function.
9305 (eliminate_tail_call): Use arg_needs_copy_p.
9306 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9307 (add_virtual_phis): New function.
9309 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9311 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9312 #ignore instead of #scratch for %g7 .register directive.
9314 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9316 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9319 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9321 * flow.c (calculate_global_regs_live): Assert that there aren't any
9324 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9326 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9328 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9329 bsi_after_labels iterator.
9330 * tree-if-conv.c (find_phi_replacement_condition,
9331 replace_phi_with_cond_modify_expr): Likewise.
9332 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9333 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9335 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9337 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9339 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9342 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9343 array after growing it.
9345 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9348 * fold-const.c (fold_checksum_tree): Change type of buf.
9350 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9352 * reload.c (push_secondary_reload): Initialize t_icode.
9354 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9356 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9357 -msoft-float -mlong-double-128 only issue a warning, but don't
9358 swich to DFmode long double.
9360 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9362 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9363 has a constant equivalent, iterate over equivalents for arg0,
9364 calling simplify_relational_operation and if there's a result
9365 cheaper than X, apply fold_rtx and return the result.
9367 2006-02-01 Jan Hubicka <jh@suse.cz>
9369 * opts.c (no_unit_at_a_time_default): New global variable.
9370 (decode_options): Use it.
9371 * opts.h (no_unit_at_a_time_default): Declare.
9373 2006-02-01 Paul Brook <paul@codesourcery.com>
9375 * function.c (assign_parm_setup_reg): Use function argument promotion
9377 * expr.c (expand_expr_real_1): Use function argument promotion rules
9380 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9382 * gcc.c (process_command): Change j to 'unsigned int'.
9384 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9387 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9388 Use the corrected index for the character
9389 out of the string constant.
9391 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9393 * mode-switching.c (optimize_mode_switching): Fix size
9394 allocated for bb_info[n_entities].
9396 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9398 * gcc.c (main): Correct type that is allocated for
9399 explicit_link_files.
9401 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9403 * config/s390/s390.c (init_alignment_context): Set
9404 ALIAS_SET_MEMORY_BARRIER on the MEM.
9405 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9407 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9410 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9412 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9415 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9417 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9418 * regrename.c: Ditto.
9419 * tree-ssa-loop-im.c: Ditto.
9420 * tree-dump.c: Ditto.
9421 * tree-complex.c: Ditto.
9422 * genrecog.c: Ditto.
9423 * tree-ssa-threadupdate.c: Ditto.
9425 * java/class.c: Ditto.
9426 * java/jcf-parse.c: Ditto.
9427 * java/resource.c: Ditto.
9428 * java/except.c: Ditto.
9429 * java/jvspec.c: Ditto.
9430 * java/jcf-write.c: Ditto.
9431 * java/jcf-path.c: Ditto.
9432 * java/gjavah.c: Ditto.
9433 * java/zextract.c: Ditto.
9434 * java/jcf-io.c: Ditto.
9435 * java/jcf.h: Ditto.
9436 * java/buffer.c: Ditto.
9437 * java/lang.c: Ditto.
9438 * java/parse-scan.y: Ditto.
9439 * java/lex.c: Ditto.
9440 * java/lex.h: Ditto.
9441 * cfgloopmanip.c: Ditto.
9442 * postreload-gcse.c: Ditto.
9443 * tree-ssa-loop-manip.c: Ditto.
9444 * postreload.c: Ditto.
9445 * tree-ssa-loop-ch.c: Ditto.
9449 * diagnostic.c: Ditto.
9451 * genoutput.c: Ditto.
9453 * cfghooks.c: Ditto.
9454 * cfgloopanal.c: Ditto.
9455 * objc/objc-act.c: Ditto.
9457 * genextract.c: Ditto.
9458 * genautomata.c: Ditto.
9459 * pretty-print.c: Ditto.
9461 * cgraphunit.c: Ditto.
9464 * haifa-sched.c: Ditto.
9465 * dominance.c: Ditto.
9467 * tree-ssa-loop-ivopts.c: Ditto.
9469 * mode-switching.c: Ditto.
9470 * modulo-sched.c: Ditto.
9472 * ipa-pure-const.c: Ditto.
9474 * fix-header.c: Ditto.
9476 * tree-stdarg.c: Ditto.
9477 * ipa-utils.c: Ditto.
9478 * loop-init.c: Ditto.
9479 * ipa-inline.c: Ditto.
9482 * alloc-pool.c: Ditto.
9483 * dwarf2out.c: Ditto.
9485 * genattrtab.c: Ditto.
9486 * tree-ssa-loop-ivcanon.c: Ditto.
9490 * fortran/gfortranspec.c: Ditto.
9492 * local-alloc.c: Ditto.
9493 * langhooks.c: Ditto.
9494 * function.c: Ditto.
9495 * tree-vectorizer.c: Ditto.
9497 * ipa-type-escape.c: Ditto.
9499 * tree-if-conv.c: Ditto.
9502 * tree-data-ref.c: Ditto.
9503 * loop-unroll.c: Ditto.
9504 * treelang/treetree.c: Ditto.
9507 * ggc-common.c: Ditto.
9509 * coverage.c: Ditto.
9511 * tree-cfgcleanup.c: Ditto.
9512 * tree-ssa-pre.c: Ditto.
9513 * cfgcleanup.c: Ditto.
9514 * loop-invariant.c: Ditto.
9516 * ipa-prop.c: Ditto.
9517 * print-tree.c: Ditto.
9518 * conflict.c: Ditto.
9519 * ggc-page.c: Ditto.
9520 * sched-deps.c: Ditto.
9521 * regclass.c: Ditto.
9522 * tree-object-size.c: Ditto.
9524 * bb-reorder.c: Ditto.
9525 * resource.c: Ditto.
9526 * var-tracking.c: Ditto.
9528 * df-problems.c: Ditto.
9529 * reg-stack.c: Ditto.
9532 * sched-rgn.c: Ditto.
9533 * tree-ssa-structalias.c: Ditto.
9534 * tree-ssa-reassoc.c: Ditto.
9535 * config/darwin-c.c: Ditto.
9536 * config/darwin.c: Ditto.
9537 * config/arm/arm.c: Ditto.
9539 * collect2.c: Ditto.
9542 2006-01-31 Nicolas Pitre <nico@cam.org>
9544 * arm.md (smaxsi3): Make aware of smax_m1.
9547 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9549 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9551 2006-01-31 Richard Guenther <rguenther@suse.de>
9553 * doc/invoke.texi (-msselibm): Document.
9554 * target.h (expand_library_builtin): New target hook.
9555 * builtins.c (expand_builtin): Use expand_library_builtin.
9556 (default_expand_library_builtin): New function.
9557 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9558 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9559 (link_gcc_math_spec): Declare.
9560 (static_specs): Add link_gcc_math_spec.
9561 * expr.h (default_expand_library_builtin): Declare.
9562 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9563 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9564 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9565 * config/i386/i386.opt (msselibm): New target option.
9566 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9567 (ix86_init_sse_abi_builtins): New function.
9568 (ix86_expand_library_builtin): Likewise.
9569 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9570 (override_options): Handle error conditions wrt -msselibm.
9571 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9572 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9573 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9576 2006-01-31 Richard Guenther <rguenther@suse.de>
9577 Paolo Bonzini <bonzini@gnu.org>
9579 * doc/install.texi (--disable-libgcc-math): Document.
9581 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9583 * expr.h (expand_normal): new inline function.
9584 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9586 * dwarf2out.c: use it.
9591 * config/sparc/sparc.c: use it.
9592 * config/i386/i386.c: use it.
9593 * config/rs6000/rs6000.c: use it.
9594 * config/arm/arm.c: use it.
9595 * config/mips/mips.c: use it.
9596 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9598 2006-01-30 Roger Sayle <roger@eyesopen.com>
9600 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9601 argv to the appropriate type.
9603 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9605 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9608 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9611 * config/s390/s390.c (struct machine_function): New flag
9612 decomposed_literal_pool_addresses_ok_p.
9613 (s390_reorg): Set it before final stage of literal pool transforms.
9614 (s390_decompose_address): Only accept displacements of the form
9615 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9617 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9619 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9620 the comparison routine return.
9622 2006-01-30 Michael Matz <matz@suse.de>
9624 * global.c (find_reg): Only evict for global regs.
9625 Take n_refs into account and dump more info.
9627 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9630 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9631 (pragma_trap, pragma_nosave_low_regs): Likewise.
9632 (current_function_anonymous_args): Likewise.
9633 (sh_deferred_function_attributes): New variable.
9634 (sh_deferred_function_attributes_tail): Likewise.
9635 (print_operand): For '@', look up trap_exit attribute.
9636 (calc_live_regs): Look up trapa_handler attribute. For trapa
9637 handlers, save/restore fpscr, but don't do any other
9638 interrupt-specific saves.
9639 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9640 Fix check for partially saved registers to check for SHmedia.
9641 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9642 (sh_output_function_epilogue): Don't clear any of the removed
9644 (sh_insert_attributes): Don't check pragma_interrupt.
9645 Insert deferred attributes. Check that interrupt attribute is
9646 present for other attributes that require its presence.
9647 (sh_attribute_table): Add new attributes trapa_handler and
9649 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9650 Don't check for pragma_interrupt. Don't store argument.
9651 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9652 (sh_deferred_function_attributes): Declare.
9653 (sh_deferred_function_attributes_tail): Likewise.
9654 * sh.md (sp_switch_1): Add operand. Change generator caller.
9655 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9656 (*return_i): Don't use when trap_exit attribute is in effect.
9657 (*return_trapa): New insn pattern.
9659 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9660 setting c_target_objs and cxx_target_objs.
9661 * t-sh: Add rule for sh-c.o.
9663 2006-01-30 Richard Guenther <rguenther@suse.de>
9666 * gimplify.c (gimplify_target_expr): Handle easy cases
9667 without creating a temporary.
9669 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9671 * vec.h (safe_grow): Remove duplicated line.
9673 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9676 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9677 (expand_omp): ... here.
9678 (expand_omp_parallel): Only remove barriers for combined
9679 parallel+workshare constructs.
9681 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9685 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9686 * tree.c (build_qualified_type): Chain the new type to the original
9687 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9688 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9689 (build_pointer_type_for_mode): Only return unqualified types.
9690 (build_reference_type_for_mode): Likewise.
9692 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9694 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9695 * Makefile.in (CXX_COMPAT_WARN): Define.
9696 * configure: Regenerate.
9698 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9701 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9704 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9706 * toplev.c: Fix thinko.
9708 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9709 Marcin Dalecki <martin@dalecki.de>
9711 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9712 (push_srcloc): Use XNEW.
9713 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9715 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9717 * df-core.c (df_set_blocks): Deleted all variable.
9719 2006-01-28 Ian Lance Taylor <ian@airs.com>
9721 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9722 cgraph_output_pending_asms.
9724 2006-01-28 Zack Weinberg <zackw@panix.com>
9726 * c.opt: Add -W(no-)overlength-strings.
9727 * doc/invoke.texi: Document it.
9728 * c-opts.c (c_common_handle_option): -pedantic implies
9729 -Woverlength-strings, if not explicitly disabled already.
9730 (c_common_post_options): -Woverlength-strings defaults to off, and
9731 is always off for C++.
9732 * c-common.c (fix_string_type): Issue warning about strings longer
9733 than is portable only if warn_overlength_strings. Rearrange code
9734 a little for clarity.
9735 * configure.in: Check for -Wno-overlength-strings as well before
9736 enabling -pedantic in stage 1.
9737 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9738 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9740 * genconditions.c (write_header, write_one_condition)
9741 (write_conditions, write_writer): Consolidate very long strings
9742 that were broken up to fit in C89 portable limit. Don't use
9743 printf when fputs will do.
9745 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9747 * combine.c (simplify_comparison <AND>): Check
9748 TRULY_NOOP_TRUNCATION before start using a subreg.
9750 * config/mips/mips.md (*branch_zero<mode>,
9751 *branch_zero<mode>_inverted, *branch_equality<mode>,
9752 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9753 Remove mode check from comparisons.
9755 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9757 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9759 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9761 * expmed.c (const_mult_add_overflow_p): Remove.
9762 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9764 * recog.c (validate_replace_rtx_subexp): Remove.
9765 * recog.h: Remove the prototype for
9766 validate_replace_rtx_subexp.
9768 * integrate.h: Remove the prototype for
9769 copy_decl_for_inlining.
9770 * rtl.h: Remove the prototype for mark_constant_function.
9771 * tree-vectorizer.h: Remove the prototype for
9772 vect_strip_conversion.
9774 * modulo-sched.c (create_partial_schedule,
9775 free_partial_schedule, reset_partial_schedule): Make them
9778 * hooks.c (hook_bool_rtx_int_false): Remove.
9779 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9781 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9783 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9784 and -mlong-double-128 are incompatible.
9785 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9786 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9787 (TARGET_LIBGCC2_CFLAGS): Define.
9788 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9789 (TARGET_LIBGCC2_CFLAGS): Same.
9790 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9792 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9795 * c-typeck.c (build_binary_op): Perform implicit casts of
9796 operands before shortening them.
9798 * cfgloopmanip.c (split_loop_bb): Remove.
9799 * cfgloop.h: Remove the prototype for split_loop_bb.
9801 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9802 * cfgloop.h: Remove the prototype for
9803 flow_loop_outside_edge_p.
9805 * emit-rtl.c (init_virtual_regs): Make it static.
9806 * function.h: Remove the prototype for init_virtual_regs.
9808 * recog.c (peephole2_optimize): Make it static.
9809 * recog.h: Remove the prototype for peephole2_optimize.
9811 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9813 * df-scan.c (df_record_entry_block_defs): Check if
9814 INCOMING_RETURN_ADDR_RTX is defined.
9816 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9817 Kenneth Zadeck <zadeck@naturalbridge.com>
9819 PR rtl-optimization/24762
9820 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9821 * targhooks.c (hook_void_bitmap): New hook prototype.
9822 * targhoohs.h (hook_void_bitmap): Ditto.
9823 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9824 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9825 * target.h (live_on_entry): New function pointer.
9826 * df-scan.c (df_all_hard_regs): Removed.
9827 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9828 (df_scan_free_internal): Added df->entry_block_defs.
9829 (df_scan_alloc): Ditto.
9830 (df_scan_dump): Ditto.
9831 (df_uses_record): Plumbed flag field properly thru calls.
9832 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9833 This part fixes PR24762.
9834 (df_bb_refs_record): Added code to make the frame and arg
9835 pointers live in EH blocks.
9836 (df_refs_record): Added call to df_record_entry_block_defs.
9837 (df_record_entry_block_defs): New function.
9838 * df-core.c: Added comments to describe new artifical defs.
9839 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9840 (entry_block_defs): New field in struct df.
9841 (df_all_hard_regs): Deleted.
9842 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9843 * df-problems.c (df_ru_bb_local_compute_process_def):
9844 Added code to handle artifical defs in the entry to a function.
9845 (df_ru_bb_local_compute): Ditto.
9846 (df_rd_bb_local_compute_process_def): Ditto.
9847 (df_rd_bb_local_compute): Ditto.
9848 (df_lr_bb_local_compute): Ditto.
9849 (df_ur_bb_local_compute): Ditto.
9850 (df_urec_bb_local_compute): Ditto.
9851 (df_chain_create_bb): Ditto.
9852 (df_ur_local_finalize): Removed entry.
9853 (df_urec_init): Ditto.
9854 (df_urec_local_finalize): Ditto.
9855 (df_ri_bb_compute): Added detection of last use of pseudos.
9856 * Makefile.in (df-scan.o): Updated dependencies.
9857 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9858 * config/mips/mips.c (mips_set_live_on_entry): Added.
9859 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9861 * dce.c (marked_insn_p): Added code to handle artifical defs.
9863 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9865 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9867 (_mm_cvtsi128_si64): Likewise.
9868 (_mm_cvtsd_si64): Likewise.
9869 (_mm_cvttsd_si64): Likewise.
9870 (_mm_cvtsi64_sd): Likewise.
9871 (_mm_cvtsi64_si128): Likewise.
9872 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9873 (_mm_cvtsi64_m64): Likewise.
9874 (_m_to_int64): Likewise.
9875 (_mm_cvtm64_si64): Likewise.
9876 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9877 (_mm_cvttss_si64): Likewise.
9878 (_mm_cvtsi64_ss): Likewise.
9879 (_mm_cvtss_f32): Likewise.
9881 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9883 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9884 for pragma redefine_extname.
9886 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9889 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9890 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9891 -mno-minimal-toc to previous content.
9892 (bispecs): Remove goal.
9893 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9894 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9895 compatibility aliases on powerpc-*-*gnu*.
9896 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9897 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9898 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9899 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9900 (ldblspecs): New goal.
9901 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9902 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9904 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9905 L_sf_to_tf or L_df_to_tf is defined.
9907 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9908 Alan Modra <amodra@bigpond.net.au>
9911 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9912 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9913 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9914 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9915 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9916 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9917 (rs6000_override_options): Initialize rs6000_ieeequad.
9918 Initialize TFmode format to ibm_extended_format if not
9920 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9922 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9923 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9924 (function_arg_advance): IBM long double passed in two FPRs, not
9926 (function_arg): IBM long double passed in FPRs.
9927 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9928 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9929 Only multireg GPR aligned.
9930 (rs6000_init_libfuncs): Enable IBM long double functions if not
9932 (rs6000_generate_compare): Use IBM long double compare if not
9934 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9935 (TARGET_IEEEQUAD): Define.
9936 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9937 not TARGET_IEEEQUAD.
9938 * config/rs6000/rs6000.md: Enable TFmode patterns if
9940 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9941 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9942 and -mlong-double-128 are incompatible.
9943 * doc/invoke.texi (-mabi): Collect options together. Add
9944 ibmlongdouble and ieeelongdouble.
9946 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9948 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9950 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9951 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9952 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9953 * rtl.h (rtunion_def): Remove rt_ptr.
9955 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9956 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9957 * config/i386/winnt.c (i386_pe_mark_dllexport)
9958 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9960 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9962 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9964 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9968 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9969 pthread_key_delete. From John David Anglin. gthrw-ify
9970 pthread_getunique_np only if it it's not a macro. Delete
9972 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9973 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9974 __gthread_objc_condition_signal, __gthread_key_delete): Add
9975 "__attribute__ ((__unused__))" to unused arguments.
9976 (__gthread_recursive_mutex_init_function): Add missing return.
9977 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9978 gthr-posix95.h: Use macro-based approach for name redirection
9979 on targets missing weakref.
9981 2006-01-26 Zack Weinberg <zackw@panix.com>
9983 * genconditions.c (write_header): In generated code, #ifdef out
9984 all includes and fake declarations, except includes of bconfig.h
9985 and system.h, unless GCC_VERSION >= 3001. Do not include
9986 gensupport.h in any case.
9987 (write_conditions): Generate a definition of struct c_test. Add
9988 a comment to the generated #endif.
9989 (write_one_condition): Escape backslashes in string too.
9990 (write_writer): Generated code must escape backslashes and quote
9991 marks (but not newlines) in the strings it writes.
9992 * Makefile.in (build/gencondmd.o): Update dependencies.
9994 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9997 * Makefile.in (insn-automata.o): Add header file dependencies.
9998 * genautomata.c: Add includes.
10000 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10003 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10005 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10007 * configure.ac: Expect target tools paths to be passed from the toplevel
10008 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10010 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10012 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10015 * c.opt (Wpointer-sign): Init to -1.
10016 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10017 OPT_pedantic, to 0 otherwise.
10018 * doc/invoke.texi: Update.
10020 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10022 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10023 constants provided by 80387 instructions in the destination mode.
10025 2006-01-26 Richard Guenther <rguenther@suse.de>
10026 Andrew Pinski <pinskia@physics.uc.edu>
10029 partial PR tree-opt/17064
10030 * tree-ssa-structalias.c (intra_create_variable_infos):
10031 Create heap variables for incoming parameters if
10032 flag_argument_noalias > 1.
10033 (find_what_p_points_to): Look through default defs of
10036 2006-01-26 Jeff Law <law@redhat.com>
10039 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10040 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10041 within the VR_RANGE, use the VR_RANGE as the result, not the
10043 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10044 bounds for the type.
10046 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10048 * tree-ssa-alias.c (maybe_create_global_var): Change
10049 subvar walking to an assertion that we don't have subvar'd variables.
10051 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10054 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10055 Use a new variable, inner. PARM_DECLs are always non-weak.
10057 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10059 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10060 --disable-checking.
10062 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10064 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10066 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10068 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10069 (smax_insn, smin_insn, smax_0, smin_0): New.
10071 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10074 * config/cris/cris.c (cris_order_for_addsi3): New function.
10075 * config/cris/cris-protos.h: Prototype it.
10076 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10077 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10078 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10079 (split for "op.S1 [rx=rx+i],ry (swapped)")
10080 (split for "op(s|u).S1 [rx=rx+i],ry")
10081 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10082 Apply cris_order_for_addsi3 when generating addsi3 insns.
10084 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10086 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10087 (TREE_BLOCK): Add call to EXPR_CHECK.
10089 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10092 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10093 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10094 (dump_omp_clauses): ... here.
10095 (dump_generic_node): Handle OMP_CLAUSE.
10096 * tree.c (omp_clause_num_ops): New.
10097 (omp_clause_code_name): New.
10098 (tree_code_size): Handle OMP_CLAUSE.
10099 (tree_size): Likewise.
10100 (make_node): Document handling of OMP_CLAUSE.
10101 (tree_node_structure): Handle OMP_CLAUSE.
10102 (omp_clause_check_failed): New.
10103 (omp_clause_range_check_failed): New.
10104 (omp_clause_operand_check_failed): New.
10105 (build_omp_clause): New.
10106 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10107 * tree.h (enum omp_clause_code): Declare.
10108 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10109 (OMP_CLAUSE_RANGE_CHECK): Define.
10110 (OMP_CLAUSE_ELT_CHECK): Define.
10111 (omp_clause_check_failed): Declare.
10112 (omp_clause_operand_check_failed): Declare.
10113 (omp_clause_range_check_failed): Declare.
10114 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10115 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10116 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10117 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10118 (OMP_CLAUSE_IF_EXPR): Likewise.
10119 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10120 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10121 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10122 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10123 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10124 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10125 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10126 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10127 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10128 (OMP_CLAUSE_CODE): Define.
10129 (OMP_CLAUSE_SET_CODE): Define.
10130 (OMP_CLAUSE_CODE): Define.
10131 (OMP_CLAUSE_OPERAND): Define.
10132 (struct tree_omp_clause): Declare.
10133 (union tree_node): Add field 'omp_clause'.
10134 * treestruct.def (TS_OMP_CLAUSE): Define.
10135 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10136 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10137 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10138 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10139 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10140 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10141 (OMP_CLAUSE): Define.
10142 * print-tree.c (print_node): Handle OMP_CLAUSE.
10143 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10144 * c-typeck.c: Likewise.
10145 * gimplify.c: Likewise.
10146 * c-omp.c: Likewise.
10147 * tree-nested.c: Likewise.
10148 * tree-inline.c: Likewise.
10149 * c-parser.c: Likewise.
10150 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10153 2006-01-25 Roger Sayle <roger@eyesopen.com>
10155 PR rtl-optimization/25703
10156 * combine.c (try_combine): Handle zero_extract and strict_low_part
10157 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10159 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10161 * global.c: Fix comment typos.
10163 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10166 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10167 Use output_addr_const instead of assemble_name.
10169 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10171 * Makefile.in (sched-vis.o): Update dependencies.
10172 * haifa-sched.c (sched_finish): Clear current_sched_info.
10173 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10174 (dump_flow_info): Call it.
10175 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10177 * basic-block.h (dump_bb_info): Declare.
10178 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10179 option, and apply options only for dump files whose TDF_RTL,
10180 TDF_TREE, or TDF_IPA bits match.
10181 * rtl.h: Declare new functions exported from sched-vis.c.
10182 * sched-vis.c: Enable also if scheduling is not used.
10183 (print_value): Print the mode of registers if not inside scheduling.
10184 (print_insn): Make it work outside the scheduler. Beautify the output
10186 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10188 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10190 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10191 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10192 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10193 depending on the value of CONSTANT_POOL_ADDRESS_P.
10194 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10196 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10197 rather than SYMBOL_REF_DECL.
10198 (rtx_constant_pool): Remove const_rtx_sym_htab.
10199 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10200 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10201 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10202 Remove handling of const_rtx_sym_htab.
10203 (find_pool_constant): Delete.
10204 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10205 rather than find_pool_constant.
10206 (get_pool_constant_for_function): Delete.
10207 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10208 find_pool_constant.
10209 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10210 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10211 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10212 (SYMBOL_REF_CONSTANT): New macro.
10213 (get_pool_constant_for_function): Delete.
10214 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10215 rather than SYMBOL_REF_DECL.
10216 (i386_pe_mark_dllimport): Likewise.
10217 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10218 rather than SYMBOL_REF_DECL.
10219 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10220 (machopic_indirect_call_target): Likewise.
10222 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10224 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10226 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10228 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10230 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10232 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10234 2006-01-24 David Daney <ddaney@avtrex.com>
10237 * configure.ac (enable_tls): New enable option.
10238 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10239 * configure: Regenerate.
10240 * doc/install.texi (--enable-tls): Document new option.
10241 (--disable-tls): Ditto.
10243 2006-01-24 Richard Henderson <rth@redehat.com>
10245 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10246 * alias.c (true_dependence): Respect it.
10247 (canon_true_dependence, write_dependence_p): Likewise.
10248 * builtins.c (get_builtin_sync_mem): Set it.
10250 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10252 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10255 2006-01-24 DJ Delorie <dj@redhat.com>
10257 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10258 for storing constants in single-bit bitfields.
10260 2006-01-25 Ben Elliston <bje@au.ibm.com>
10262 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10264 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10267 * tree-ssa-pre.c (phi_translate): Return NULL
10268 for AGGREGATE_TYPE's.
10270 2006-01-24 Zack Weinberg <zackw@panix.com>
10272 * genautomata.c (process_state_for_insn_equiv_partition):
10273 Use xcalloc for insn_arcs_array.
10274 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10275 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10277 2006-01-24 Richard Henderson <rth@redhat.com>
10279 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10280 update all callers.
10282 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10284 PR rtl-optimization/25890
10285 PR rtl-optimization/25905
10286 * combine.c (expand_compound_operation, expand_field_assignment):
10287 Fail if the bitfield's final position is out of bounds.
10289 2006-01-24 Ian Lance Taylor <ian@airs.com>
10291 PR middle-end/25930
10292 * cgraphunit.c (cgraph_output_in_order): Don't clear
10293 cgraph_asm_nodes until after asm strings have been output.
10295 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10297 * fix-header.c (read_scan_file): Add new parameter imultilib when
10298 calling register_include_chains.
10300 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10302 * omp-low.c: Update documentation.
10304 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10305 Daniel Berlin <dberlin@dberlin.org>
10309 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10310 return from the function.
10312 2006-01-22 Zack Weinberg <zackw@panix.com>
10314 * rtl.def (match_code): Add second argument.
10315 * genpreds.c (write_extract_subexp): New function.
10316 (write_match_code): Add path argument. Use write_extract_subexp.
10317 (write_predicate_expr): Pass path to write_match_code.
10318 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10319 not perform a mode test.
10320 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10321 a subexpression does not constrain the top-level code set.
10322 * read-rtl.c (read_rtx_variadic): New function.
10323 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10324 * doc/md.texi: Document new notation.
10325 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10326 (cmpsi_operand): ... here, using new notation.
10328 2006-01-22 Zack Weinberg <zackw@panix.com>
10330 * varray.c: Remove GENERATOR_FILE #ifdefs.
10332 2006-01-22 Zack Weinberg <zackw@panix.com>
10334 * genautomata.c (output_reserved_units_table): Emit nothing if
10335 description->query_units_num is zero. Remove extra blank line.
10336 (output_cpu_unit_reservation_p): Short circuit
10337 if description->query_units_num is zero.
10339 2006-01-22 Zack Weinberg <zackw@panix.com>
10341 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10342 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10343 nor any of the random handful of variables that used to be necessary
10344 when this program was linked with rtlanal.o. Prune set of forward
10345 function declarations.
10346 (struct attr_desc): Remove static_p field.
10347 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10348 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10349 (attr_string): Do not read the character one past the length of
10351 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10352 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10353 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10354 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10355 (make_automaton_attrs): New.
10356 (main): Do not call into genautomata. Call local gen_bypass
10357 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10358 Remove special case for insn_alts.
10359 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10360 varray.h (leftover from previous change). Prune set of forward
10361 function declarations. Remove state_alts fields from all
10362 structures. Remove state_alts_table from struct automaton.
10363 Make everything except main static. Do not maintain num_dfa_decls.
10364 Do not maintain state_alts fields of various structures.
10365 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10366 (add_arc): Remove state_alts argument. All callers updated.
10367 (output_reserved_units_table): Emit #ifdef here...
10368 (output_tables): ...not here. Don't generate state_alts tables.
10369 (expand_automata): Don't generate attributes.
10370 (write_automata): Don't generate state_alts functions.
10371 (main): New function.
10372 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10373 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10374 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10375 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10376 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10377 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10378 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10379 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10381 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10382 * genattrtab.h: Delete file.
10383 * Makefile.in (OBJS-common): Add insn-automata.o.
10384 (insn-automata.o): New rule.
10385 (simple_generated_c): Add insn-automata.c.
10386 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10387 (genprogmd): Add automata.
10388 (build/genattrtab): Needs no extra objects nor libraries.
10389 (build/genautomata): Needs build/vec.o and -lm.
10391 2006-01-22 Zack Weinberg <zackw@panix.com>
10393 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10394 (output_dfa_max_issue_rate, locked_states_num): Delete.
10395 (struct automaton): Add locked_states field.
10396 (output_dead_lock_vect): Save number of locked states in
10397 automaton->locked_states. If it is zero, don't print anything.
10398 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10399 (output_internal_dead_lock_func): Only test the dead_lock_vect
10400 for automata that have locked states.
10401 (output_statistics): Always print the number of locked states for
10402 each automaton. Calculate total number of locked states here.
10403 (write_automata): Don't call output_dfa_max_issue_rate.
10404 * genattrtab.c: Define length_unit_log as a const variable.
10405 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10406 max_insn_queue_index const.
10407 * final.c (length_unit_log): Declare const.
10408 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10410 2006-01-22 Zack Weinberg <zackw@panix.com>
10412 * genautomata.c: Include vec.h, not varray.h.
10413 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10414 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10415 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10416 VEC_* macros operating on appropriately typed vectors, or to
10417 malloced arrays when the size is known in advance. Const-ify
10418 many char* variables and function arguments. No functional changes.
10419 * Makefile.in (build/varray.o): Delete rule.
10420 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10421 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10423 2006-01-22 Zack Weinberg <zackw@panix.com>
10425 * gensupport.c: Define get_insn_name and record_insn_name here.
10426 (read_md_rtx): Call record_insn_name as appropriate.
10427 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10428 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10429 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10431 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10432 (BUILD_VARRAY): Delete.
10433 (genprognormal): Rename genprogmd. Fold in all programs from
10434 genprognoprint; also attrtab.
10435 (build/genattrtab): Just mention genautomata.o and varray.o.
10436 Reorganize a bit, add comments to make the categories clearer.
10438 2006-01-22 Zack Weinberg <zackw@panix.com>
10440 * genconditions.c (condition_table, add_condition): Delete.
10441 (write_conditions): Don't emit n_insn_conditions nor
10442 insn_elision_unavailable. Issue the gcc version #ifdef here,
10443 inside the table, with no #else clause ...
10444 (write_header): ...not here.
10445 (write_writer): New function.
10446 (main): Don't initialize condition_table. Use add_c_test.
10448 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10449 files on the command line.
10450 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10451 Return -1 if there is no entry in the table, don't abort.
10452 (add_c_test, traverse_c_tests): New functions.
10453 * gensupport.h (insn_elision_unavailable, insn_conditions)
10454 (n_insn_conditions): Delete declarations.
10455 (add_c_test, traverse_c_tests): Declare.
10456 * read-rtl.c: Include gensupport.h.
10457 (read_conditions): New function.
10458 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10459 (read_rtx_1): If we get EOF when we were looking for an initial
10460 open paren, return 0. Call read_conditions when appropriate.
10461 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10462 dummy-conditions.o. Eliminate references to insn-conditions.o,
10463 or change them to build/gencondmd.o, as appropriate. Remove
10464 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10465 from $(simple_generated_c). For all files remaining in those
10466 two lists, add insn-conditions.md to the generator command line.
10467 Give insn-constants.h/s-constants their own rules. Add rules
10468 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10469 (build/read-rtl.o): Depend on gensupport.h.
10470 (genprognormal): Include preds.
10471 (genprogearly): Rename genprognoprint; only difference is now that
10472 they don't link with $(BUILD_PRINT).
10473 * dummy-conditions.c: Delete.
10475 2006-01-22 Zack Weinberg <zackw@panix.com>
10477 * genextract.c: Don't include insn-config.h. Do include vec.h.
10478 Declare vectors of int, char, and locstr.
10479 (locstr): New typedef.
10480 (struct extraction): Make all array fields into bare pointers.
10481 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10482 (insn_code_number): Delete.
10483 (accum_extract): New struct.
10484 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10485 (gen_insn): Take insn_code_number as an argument. Use an
10486 accum_extract structure instead of loading data directly into
10487 a struct extraction, and having to know how big it might get.
10488 (walk_rtx): Operate entirely on an accum_extract structure.
10489 (print_path): Avoid unnecessary use of printf.
10490 (print_header): New function, split out of main. Distinguish
10491 more carefully between an unrecognizable insn and an insn that
10492 has the code number of a define_expand.
10493 (main): Pass insn_code_number to gen_insn. Call print_header
10494 only after parsing. Avoid unnecessary use of printf.
10495 * Makefile.in (build/vec.o): New rule.
10496 (build/genextract): Depend on build/vec.o.
10497 (build/genextract.o): Don't depend on insn-config.h.
10499 2006-01-22 Zack Weinberg <zackw@panix.com>
10501 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10502 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10503 practical. Eliminate per-generator-program link rules.
10505 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10507 PR middle-end/24437
10508 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10509 with a call expr to ...
10510 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10512 2006-01-23 Richard Guenther <rguenther@suse.de>
10514 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10515 before make_edge with conditional EDGE_TRUE_VALUE.
10517 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10518 Jan Hubicka <jh@suse.cz>
10519 Richard Guenther <rguenther@suse.de>
10521 PR rtl-optimization/25654
10522 * cfgexpand.c (aggregate_contains_union_type): New function.
10523 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10524 for structure variables that contain a union type.
10526 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10528 * gengtype.c (new_structure): Return the structure.
10529 (create_option): Add an extra "next" argument.
10530 (create_field): New function.
10531 (adjust_field_rtx_def): Use create_option and create_field.
10532 Remove a now-unnecessary call to find_structure.
10533 (adjust_field_tree_def): Likewise.
10534 (note_yacc_type): Remove an unnecessary call to find_structure.
10535 * gengtype.h (new_structure): Return the structure.
10536 (create_option): Add an extra argument.
10537 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10538 (option): Adjust calls to create_option.
10540 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10542 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10544 2006-01-22 Paul Brook <paul@codesourcery.com>
10545 Peter Barada <peter@the-baradas.com>
10547 * config/m68k/m68k.md: Add Coldfire FPU support.
10548 Define FP mode macro and associated attributes.
10549 Use it for float mode patterns.
10550 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10551 (LIBCALL_VALUE): Use m68k_libcall_value.
10552 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10553 (m68k_function_value): Ditto.
10554 (emit_move_sequence): Ditto.
10555 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10556 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10557 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10558 (MULTILIB_EXCEPTIONS): Ditto.
10559 * config/m68k/m68k.opt: Add mcfv4e.
10560 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10561 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10562 (m68k_output_function_prologue): Save ColdFire FPU registers.
10563 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10564 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10565 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10566 ColdFire FPU registers.
10567 (m68k_libcall_value, m68k_function_value): New functions.
10568 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10569 (LIBCALL_VALUE): Use m68k_libcall_value.
10570 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10571 (MASK_COLDFIRE): Add MASK_CFV4E.
10572 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10573 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10574 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10575 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10576 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10577 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10578 * doc/invoke.tex: Document -mcfv4e on m68k.
10580 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10582 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10585 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10588 * c-opts.c (c_common_handle_option): Don't include
10589 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10590 * doc/invoke.texi (C++ Dialect Options): Document that
10591 -Wnon-virtual-dtor is no longer included in -Wall.
10593 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10595 * gcov.c (print_version), gcov-dump.c (print_version),
10596 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10599 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10601 * df-scan.c (problem_SCAN): Added NULL reset function.
10602 (df_scan_reset_blocks): Added code to call reset block function
10603 (df_bb_refs_delete) Fixed comment.
10604 (df_insn_refs_delete): Made tolerant of deleting non existent info
10605 for dataflow problems that need to be reset.
10606 * df-core.c (df_set_blocks): Ditto.
10607 * df.h (struct df_problem): Added reset_fun.
10608 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10609 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10610 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10611 functions to clear out all references to def-use or use-def chains.
10613 2006-01-21 Ben Elliston <bje@au.ibm.com>
10615 * varasm.c (assemble_real): Initialise data array.
10617 2006-01-20 Paul Brook <paul@codesourcery.com>
10619 Merge from csl-arm-branch.
10620 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10621 * config/arm/arm.md (movdi): Force operands[1] to a register
10622 if we have a non-register source.
10623 (*arm_movdi, *movdf_soft_insn): Require that one of the
10624 operands be a register.
10625 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10626 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10628 2006-01-20 DJ Delorie <dj@redhat.com>
10630 * varasm.c (initializer_constant_valid_p): Allow pointers
10631 initialized from integer constants of lesser precision.
10632 (output_constant): Allow non-int-sized pointer modes to be
10633 initialized from integer constants.
10635 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10638 * cppdefault.h (struct default_include): Add multilib flag.
10639 * cppdefault.c (cpp_include_defaults): Set it.
10640 * c.opt (-imultilib): New option.
10641 * c-opts.c (imultilib): New.
10642 (c_common_handle_option): Handle -imultilib.
10643 (c_common_post_options): Likewise.
10644 * c-incpath.c (add_standard_paths, register_include_chains):
10646 * c-incpath.h (register_include_chains): Add extra parameter.
10647 * gcc.c (do_spec_1): Generate -imultilib option.
10648 (The Specs Language): Update %I description.
10649 (process_command): Update copyright notice.
10650 * doc/cppopts.texi (-imultilib): Document.
10651 * doc/invoke.texi (-imultilib): Include in option summary.
10652 (%I): Update specs documentation.
10654 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10656 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10658 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10660 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10663 2006-01-20 Richard Guenther <rguenther@suse.de>
10664 Steven Bosscher <stevenb.gcc@gmail.com>
10666 PR rtl-optimization/24626
10667 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10668 EDGE_TRUE_VALUE if in RTL mode.
10671 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10672 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10674 2006-01-20 Dirk Mueller <dmueller@suse.com>
10677 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10678 instead of a special NOP marker.
10679 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10680 NOP marker handling.
10681 * c-common.h (empty_body_warning): Add forward declaration.
10682 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10683 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10685 2006-01-20 Paul Brook <paul@codesourcery.com>
10687 * Makefile.in (lang_checks): Keep going if mkdir fails.
10689 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10691 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10692 be able to clean out basic block when not necessary.
10693 (df_scan_free): Fixed to properly delete information if df is
10694 unused before calling df_finish.
10695 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10696 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10698 (df_bb_refs_delete): New function.
10699 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10700 * df-core.c (df_set_blocks): Added code to properly clean out
10701 unused blocks if they are not part of the blocks to consider.
10702 Added additional null check.
10703 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10704 be able to clean out basic block when not necessary
10705 * df.h (df_free_bb_function): Ditto.
10706 (df_bb_refs_delete): New function.
10707 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10708 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10709 basic block parameter to be able to clean out basic block when not
10711 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10712 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10713 Fixed to properly delete information if df is unused before
10716 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10718 PR rtl-optimization/25799
10719 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10720 Corrected confluence operator to remove bits from op2 before oring
10721 with op1 rather than removing bits from op1.
10722 (df_ru_transfer_function): Corrected test on wrong bitmap which
10723 caused infinite loop. Both of these problems were introduced in
10724 the dataflow rewrite.
10726 2006-01-19 DJ Delorie <dj@redhat.com>
10728 * reload1.c (find_reload_regs): Note the details of reload
10729 failures in the dump file.
10730 (spill_failure): Likewise.
10732 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10734 * loop-iv.c: Include df.h and hashtab.h.
10735 (enum iv_grd_result): New enum.
10736 (DF_REF_IV, DF_REF_IV_SET): New macros.
10737 (struct biv_entry): New.
10738 (df, bivs): New global variables.
10739 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10740 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10742 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10743 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10744 analyzed_for_bivness_p, record_biv): New functions.
10745 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10746 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10747 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10749 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10751 (iv_number_of_iterations): Use new interface to iv analysis.
10752 * loop-unroll.c: Do not include varray.h.
10753 (analyze_iv_to_split_insn): Use new interface to iv
10755 * loop-unswitch.c (may_unswitch_on): Ditto.
10756 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10758 (df_bb_modify): Realloc tables to the new index.
10759 (df_find_use): New function.
10760 * df.h (df_find_use): Declare.
10761 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10763 * cfgloop.h (struct rtx_iv): Remove analysed field.
10764 (iv_get_reaching_def): Removed.
10765 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10766 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10767 (loop-iv.o): Add df.h and hashtab.h dependency.
10768 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10770 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10773 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10775 (__floatundisf, __floatundidf): Likewise.
10776 * libgcc2.h (IS_IBM_EXTENDED): Define.
10778 2006-01-19 DJ Delorie <dj@redhat.com>
10780 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10782 2006-01-19 Paul Brook <paul@codesourcery.com>
10784 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10785 as nothrow when unwinding tables are disabled.
10787 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10790 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10791 of bit-field" when in system header.
10793 2006-01-19 DJ Delorie <dj@redhat.com>
10795 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10796 the 16 bit shift limit of the m16c.
10798 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10801 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10802 * config/i386/i386.c (output_set_got): Output the label if we have one
10803 for the TARGET_DEEP_BRANCH_PREDICTION case.
10805 2006-01-19 Jan Hubicka <jh@suse.cz>
10806 H.J. Lu <hongjiu.lu@intel.com>
10807 Evandro Menezes <evandro.menezes@amd.com>
10809 * invoke.texi (generic): Document
10811 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10812 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10813 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10814 (x86_use_incdec, x86_pad_returns): New variables
10815 (TARGET_CPU_DEFAULT_generic): New constant
10816 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10817 (enum processor_type): Add generic32 and generic64.
10818 * i386.md (cpu attribute): Add generic32/generic64
10819 (movhi splitter): Behave sanely when both partial_reg_dependency and
10820 partial_reg_stall are set.
10821 (K8 splitters): Enable for generic as well.
10822 * predicates.md (incdec_operand): Use TARGET_INCDEC
10823 (aligned_operand): Avoid memory mismatch stalls.
10824 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10825 * ppro.md: Enable for generic32
10826 * i386.c (generic64_cost, generic32_cost): New.
10827 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10828 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10829 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10830 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10831 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10832 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10833 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10834 x86_accumulate_outgoing_args, x86_prologue_using_move,
10835 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10836 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10837 Enable for generic.
10838 (x86_use_incdec, x86_pad_returns): New.
10839 (override_options): Add generic32 and generic64, translate "generic"
10840 to generic32/generic64 and "i686" to "generic32", refuse
10841 "generic32"/"generic64" as arch target.
10842 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10843 (ix86_reorg): Honor PAD_RETURNS.
10845 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10847 * tree-pretty-print.c (dump_generic_node): Handle
10848 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10849 * cgraph.c (cgraph_expand_queue): Rename from
10850 cgraph_analyze_queue. Update all users.
10851 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10852 cgraph_expand_queue.
10853 (cgraph_expand_all_functions): Likewise.
10854 (cgraph_finalize_pending_functions): Remove. Update callers.
10856 * tree.h (OMP_DIRECTIVE_P): Define.
10857 (OMP_PARALLEL_FN): Define.
10858 (OMP_PARALLEL_DATA_ARG): Define.
10859 (OMP_SECTIONS_SECTIONS): Define.
10860 * tree-pass.h (pass_expand_omp): Declare.
10861 * omp-low.c (struct omp_region): Declare.
10862 (struct omp_context): Remove fields 'parallel_type',
10863 'parallel_start_ix' and 'parallel_start_additional_args'.
10865 (struct omp_for_data): Rename from struct expand_omp_for_data.
10866 (omp_regions): New static variable.
10867 (root_omp_region): New static variable.
10868 (find_omp_clause): Make static.
10869 (is_in_combined_parallel_ctx): Remove.
10870 (is_combined_parallel): New.
10871 (extract_omp_for_data): Move earlier in the file.
10872 (workshare_safe_to_combine_p): New.
10873 (get_ws_args_for): New.
10874 (determine_parallel_type): Move earlier in the file.
10875 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10877 (omp_copy_decl): Likewise.
10878 (create_omp_child_function): Likewise.
10879 (lookup_omp_region): New.
10880 (dump_omp_region): New.
10881 (debug_omp_region): New.
10882 (debug_all_omp_regions): New.
10883 (new_omp_region): New.
10884 (scan_omp_parallel): If parallel_nesting_level > 1, the
10885 directive is nested within another parallel directive.
10886 Set OMP_PARALLEL_FN.
10887 (scan_omp_for): Do not try to handle combined parallel+for
10889 Remove FIXME comment.
10890 (scan_omp_nested): Remove.
10891 (scan_omp_1): Do not call scan_omp_nested when
10892 parallel_nesting_level is > 1.
10893 Do not change the DECL_CONTEXT of local variables found.
10894 (lookup_decl_in_outer_ctx): New.
10895 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10896 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10897 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10898 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10899 If CTX is nested, lookup VAR in the outer context when
10900 building copy assignment.
10901 (lower_send_clauses): Rename from expand_send_clauses.
10902 If CTX is nested, lookup VAR in the outer context when
10903 building copy assignments.
10904 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10905 If CTX is nested, lookup VAR in the outer context when
10906 building copy assignments.
10907 (expand_parallel_call): Rename from build_parallel_call.
10908 Handle combined parallel+workshare cases.
10909 Re-implement to emit code into the CFG.
10911 (expand_omp_parallel): Re-implement to emit code into the CFG.
10912 Call move_sese_region_to_fn to outline the sub-graph
10913 containing the parallel region.
10914 (expand_omp_for_1): Remove.
10915 (expand_omp_for_generic): Re-implement to emit code into the
10917 (expand_omp_for_static_nochunk): Likewise.
10918 (expand_omp_for_static_chunk): Likewise.
10919 (expand_omp_for): Likewise.
10920 (expand_omp_sections): Likewise.
10921 (remove_exit_barriers): New.
10922 (expand_omp_synch): New.
10924 (build_omp_regions_1): New.
10925 (build_omp_regions): New.
10926 (execute_expand_omp): New.
10927 (gate_expand_omp): New.
10928 (pass_expand_omp): Define.
10929 (lower_omp_sections): Rename from expand_omp_sections.
10930 Set OMP_SECTIONS_SECTIONS.
10931 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10932 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10933 (lower_omp_single): Rename from expand_omp_simple.
10934 (lower_omp_master): Rename from expand_omp_master.
10935 (lower_omp_ordered): Rename from expand_omp_ordered.
10936 (lower_omp_critical): Rename from expand_omp_critical.
10937 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10938 (lower_omp_for): Re-implement.
10939 (lower_omp_parallel): Re-implement.
10940 (lower_regimplify): Rename from expand_regimplify.
10941 (lower_omp_1): Rename from expand_omp_1.
10942 If there are syntax errors in the program, replace every
10943 OpenMP directive with NOP.
10944 Call lower_omp_* instead of expand_omp_*.
10945 (lower_omp): Rename from expand_omp.
10947 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10948 * tree-gimple.h (enum omp_parallel_type): Remove.
10949 (gimple_boolify): Declare extern.
10950 (find_omp_clause, determine_parallel_type): Remove.
10952 * gimple-low.c (lower_omp_directive): New.
10953 (lower_stmt): Call it.
10954 (record_vars_into): Move from ...
10955 (record_vars): ... here.
10956 Call record_vars_into with current_function_decl.
10958 * gimplify.c (struct gimplify_ctx): Remove fields
10959 combined_pre_p and combined_ctxp. Update users.
10960 (get_formal_tmp_var): Add documentation.
10961 (gimple_boolify): Make extern.
10962 (gimplify_expr_in_ctx): Remove. Update callers.
10963 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10964 will always be a BIND_EXPR.
10965 (gimplify_expr): Handle OMP_RETURN_EXPR.
10966 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10967 (OMP_PARALLEL): Add 3 operands.
10968 (OMP_SECTIONS): Add 1 operand.
10969 (OMP_RETURN_EXPR): Define.
10971 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10972 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10973 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10974 creating a circular free list.
10975 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10977 * tree-flow.h (move_sese_region_to_fn): Declare.
10978 (record_vars_into): Declare.
10979 * tree-cfg.c (make_omp_sections_edges): New.
10980 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10981 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10982 OMP_SECTIONS and OMP_SECTION.
10983 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10984 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10985 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10986 (gather_blocks_in_sese_region): New.
10987 (struct move_stmt_d): Declare.
10988 (move_stmt_r): New.
10989 (move_block_to_fn): New.
10990 (move_sese_region_to_fn): New.
10992 * passes.c (init_optimization_passes): Schedule
10993 pass_expand_omp after pass_init_datastructures.
10995 * tree-ssa-operands.c (get_expr_operands): Handle
10996 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10997 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10999 2006-01-19 Jeff Law <law@redhat.com>
11001 * tree-vrp.c (extract_range_from_assert): Refine the result range
11002 if the variable referenced by the ASSERT_EXPR has a range and
11003 either the tentative result range or the previous range is a
11006 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11008 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11010 2006-01-19 Jan Hubicka <jh@suse.cz>
11012 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11014 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11016 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11017 (expand_compound_operation, expand_field_assignment): Fail if the
11018 bit lengths of an extract operation are out of range.
11019 (make_extraction): Compute wanted_inner_mode based on the position
11020 and length of the extraction. Make it extraction_mode for non-constant
11021 positions, and do not modify offset in that case. When generating a
11022 new MEM, use a mode that can hold the extraction while keeping correct
11023 alignment. Remove code that supported MEMs wrapped by USEs.
11024 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11026 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11028 * config/s390/s390.md ("Y", "y"): New mode attribute.
11029 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11030 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11031 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11032 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11033 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11034 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11035 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11036 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11037 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11038 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11039 "addsi3", "subsi3"): Insn patterns removed.
11040 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11041 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11042 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11043 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11044 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11045 "*sub<mode>3_cconly2"): New insn patterns.
11046 ("addsi3", "subsi3"): New expanders.
11048 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11050 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11051 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11052 existing STMT_VINFO_VECTYPE if available.
11053 (vect_mark_relevant): Add special handling for stmts that are
11054 marked as STMT_VINFO_IN_PATTERN_P.
11055 (vect_analyze_loop): Call vect_pattern_recog.
11056 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11057 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11059 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11060 (vect_recog_func_ptr): New function-pointer type.
11061 * tree-vect-patterns.c: New file.
11062 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11063 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11064 (vect_pattern_recog_1): New functions.
11065 (vect_pattern_recog_funcs): New array of function pointers.
11067 * tree-vectorizer.h (ternary_op): New enum value.
11068 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11069 declaration. Revised documentation. Removed redundant dump prints.
11070 Removed redundant argument. Added support for reduction patterns.
11071 (vectorizable_reduction): Added support for reduction patterns.
11072 (vect_transform_stmt): Added support for patterns.
11074 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11075 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11076 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11077 (expand_widen_pattern_expr): New function.
11078 (init_optabs): Initialize new optabs udot_prod_optab,
11080 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11081 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11082 (expand_widen_pattern_expr): New function declaration.
11083 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11085 * tree-inline.c (estimate_num_insns_1): Added cases for new
11086 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11087 * tree-pretty-print.c (dump_generic_node): Likewise.
11088 (op_prio): Likewise.
11089 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11090 * tree-ssa-operands.c (get_expr_operands): Added case for
11092 * tree-vect-patterns.c (widened_name_p): New function.
11093 (vect_recog_dot_prod_pattern): Added function implementation.
11094 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11095 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11096 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11097 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11099 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11100 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11101 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11102 (init_optabs): Initialize new optabs widen_ssum_optab,
11104 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11105 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11106 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11107 use instead of type of def.
11108 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11109 function implementation.
11110 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11111 widen_ssumv8hi): New.
11113 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11116 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11119 * c-decl.c (add_flexible_array_elts_to_size): New function.
11120 (finish_decl): Use it.
11122 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11124 * diagnostic.h: Include options.h.
11125 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11126 dependancies for diagnostic.h.
11127 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11129 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11131 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11132 (ssa_ro_call_cache_valid): Ditto.
11133 * tree-ssa-alias.c (sort_tags_by_id): New function.
11134 (init_transitive_clobber_worklist): Ditto.
11135 (add_to_worklist): Ditto.
11136 (mark_aliases_call_clobbered): Ditto.
11137 (compute_tag_properties): Ditto.
11138 (set_initial_properties): Ditto.
11139 (compute_call_clobbered): Ditto.
11140 (compute_may_aliases): Call compute_call_clobbered and grouping.
11141 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11142 (compute_flow_insensitive_aliasing): Grouping now happens in our
11144 (setup_pointers_and_addressables): Remove clobbering related code.
11145 (add_may_alias): Ditto.
11146 (replace_may_alias): Ditto.
11147 (get_nmt_for): Ditto.
11148 (create_global_var):
11149 (is_escape_site): Return an escape_type enumeration.
11150 * tree-flow-inline.h (is_call_clobbered): Global var does not
11151 imply call clobbered.
11152 (mark_call_clobbered): Take a reason for marking this. Remove
11153 marking of globalness, and cache invalidation.
11154 (clear_call_clobbered): Remove cache invalidation code.
11155 * tree-dfa.c (dump_variable): If details is on, dump the reason
11157 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11159 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11160 (struct var_ann_d): Ditto.
11161 (enum escape_type): New.
11162 (mark_call_clobbered): Adjust prototype.
11163 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11164 are never call clobbered.
11165 Record reasons for escaping.
11166 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11167 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11168 (ssa_ro_call_cache_valid): Ditto.
11169 (clobbered_v_may_defs): Ditto.
11170 (clobbered_vuses): Ditto.
11171 (ro_call_vuses): Ditto.
11172 (clobber_stats): New.
11173 (init_ssa_operands): Zero out clobber stats.
11174 (fini_ssa_operands): Print out clobber stats.
11175 (get_call_expr_operands): Pass callee fndecl to
11176 add_call_read_ops).
11177 (add_call_clobber_ops): Remove use of cache.
11178 Add use of PURE_CONST information.
11179 (add_call_read_ops): Remove use of cache.
11180 Add use of static not_read information.
11182 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11184 Introduce TLS descriptors for i386 and x86_64.
11185 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11186 (TARGET_ANY_GNU_TLS): New macro.
11187 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11188 (struct machine_function): Add tls_descriptor_call_expanded_p.
11189 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11190 (ix86_current_function_calls_tls_descriptor): Likewise.
11191 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11192 (override_options): Introduce gnu2 tls dialect.
11193 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11195 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11197 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11198 (ix86_init_machine_status): Initialize new field.
11199 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11200 (ix86_tls_module_base): New.
11201 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11202 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11203 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11204 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11205 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11206 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11207 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11208 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11209 * config/i386/predicates.md (tls_modbase_operand): New.
11210 (tp_or_register_operand): New.
11212 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11214 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11215 (look_for_address_of): Ditto.
11216 (ipa_init): Walk the function decls.
11217 (static_execute): Don't set readonly on FUNCTION_DECL's.
11219 2006-01-18 Roger Sayle <roger@eyesopen.com>
11221 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11222 for shifts where the source and destination registers are different.
11224 2006-01-18 Paul Brook <paul@codesourcery.com>
11226 Merge from csl-arm-branch.
11227 2005-03-14 Julian Brown <julian@codesourcery.com>
11228 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11229 (aeabi_llsl): Likewise.
11230 (ashrdi3): Likewise.
11231 (aeabi_lasr): Likewise.
11232 (lshrdi3): Likewise.
11233 (aeabi_llsr): Likewise.
11234 2005-03-10 Julian Brown <julian@codesourcery.com>
11235 * config.gcc: Disable shared libgcc for SymbianOS.
11236 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11238 2006-01-18 DJ Delorie <dj@redhat.com>
11240 * c-pragma.c (handle_pragma_diagnostic): New.
11241 (init_pragma): Register it.
11242 * doc/extend.texi: Document it.
11244 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11245 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11246 (diagnostic_context): Add classify_diagnostic[].
11247 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11248 as errors if they're overridden to DK_WARNING.
11249 (diagnostic_initialize): Initialize classify_diagnostic[].
11250 (diagnostic_set_kind_override): New.
11251 (diagnostic_report_diagnostic): Check for kind changes.
11252 * opts.c (common_handle_option): Take lang_mask. Update callers.
11253 Handle OPT_Werror_.
11254 * common.opt (Werror=): New.
11255 * doc/invoke.texi: Document -Werror=*
11257 2006-01-18 Jeff Law <law@redhat.com>
11259 * tree-vrp.c (test_for_singularity): Correct test for new
11260 min limit. Use operand_equal_p rather than pointer equality
11261 for testing if new min/max values are equal.
11263 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11264 using range information until after propagation and folding.
11266 2006-01-18 Richard Henderson <rth@redhat.com>
11267 Aldy Hernandez <aldyh@redhat.com>
11268 Jakub Jelinek <jakub@redhat.com>
11269 Diego Novillo <dnovillo@redhat.com>
11271 * omp-low.c: New file.
11272 * c-omp.c: New file.
11274 2006-01-18 Richard Henderson <rth@redhat.com>
11275 Jakub Jelinek <jakub@redhat.com>
11276 Diego Novillo <dnovillo@redhat.com>
11278 * doc/invoke.texi: Document -fopenmp.
11279 * tree-dump.h (debug_function): Declare.
11280 * hooks.c (hook_bool_tree_bool_false): New function.
11281 (hook_tree_tree_null): Remove.
11282 (hook_tree_tree_tree_null): New.
11283 * hooks.h: Update to match.
11284 * tree-pretty-print.c (debug_tree_chain): New.
11285 (print_generic_expr): Handle TDF_CHAIN.
11286 (dump_generic_node): Handle BLOCK.
11287 Do not abort with incomplete SWITCH_EXPRs.
11288 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11289 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11290 print space after directive name.
11291 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11292 Handle OMP_MASTER and OMP_ORDERED.
11293 Handle printing of OMP_BODY just in one place, goto
11294 dump_omp_body in the rest of OMP_* nodes that have
11296 Don't handle clause nodes here. Update omp statements to
11297 use dump_omp_clauses.
11298 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11299 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11300 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11301 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11302 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11303 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11304 Adjust output for GOMP_PARALLEL.
11305 (dump_omp_clauses): New.
11306 (print_declaration): Dump DECL_VALUE_EXPR.
11307 (op_symbol_1): Split out of op_symbol.
11308 (dumping_stmts): Remove. Update all users.
11309 * cgraph.c (cgraph_analyze_queue): New.
11310 (cgraph_add_new_function): New.
11311 * cgraph.h (cgraph_analyze_queue): Declare.
11312 (cgraph_add_new_function): Declare.
11313 (cgraph_lower_function): Remove.
11314 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11315 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11316 and TYPE_P nodes in its default clause.
11317 (empty_body_p): New.
11318 (tree_range_check_failed): New.
11319 (build5_stat): New.
11320 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11321 OMP_CLAUSE_REDUCTION_MERGE,
11322 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11323 OMP_CLAUSE_PRIVATE_DEBUG,
11324 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11325 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11326 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11327 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11328 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11329 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11330 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11331 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11332 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11333 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11334 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11335 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11336 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11337 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11338 (TREE_RANGE_CHECK): New.
11339 (empty_body_p): Declare.
11340 (enum omp_clause_default_kind): New.
11341 (build_string_literal): Declare.
11342 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11343 (build5_stat, build5): Declare.
11344 * tree-pass.h (TDF_CHAIN): Define.
11345 * tree-pass.h (PROP_gimple_lomp): Define.
11346 (pass_lower_omp): Declare.
11347 * diagnostic.h (debug_tree_chain): Declare.
11348 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11350 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11351 * builtins.c (build_string_literal): Make extern.
11352 * gcc.c (include_spec_function): New.
11353 (static_spec_functions): Add it.
11354 (main): Move load of libgomp.spec ...
11355 (LINK_COMMAND_SPEC): ... here.
11356 (link_gomp_spec): New.
11357 (static_specs): Include it.
11358 (LINK_COMMAND_SPEC): Add link_gomp.
11359 (GOMP_SELF_SPECS): New.
11360 (driver_self_specs): Include it.
11361 (switch_matches): Don't mark inline.
11362 (main): Load libgomp.spec.
11363 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11364 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11365 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11366 * tree-gimple.h (enum omp_parallel): Declare.
11367 (determine_parallel_type): Declare.
11368 (omp_firstprivatize_variable): Declare.
11369 (omp_reduction_init): Declare.
11370 (diagnose_omp_structured_block_errors): Declare.
11371 (struct walk_stmt_info): Add want_return_expr.
11372 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11373 (find_omp_clause): Declare.
11374 (insert_field_into_struct): Declare.
11375 (struct walk_stmt_info): Move from tree-nested.c
11376 (walk_stmts): Declare.
11377 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11379 * cgraphunit.c (cgraph_lower_function): Make static.
11380 (cgraph_finalize_pending_functions): New.
11381 (cgraph_finalize_function): Call it.
11382 (cgraph_finalize_compilation_unit): Likewise.
11383 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11384 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11385 (BT_FN_UINT_UINT): New.
11386 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11387 DEF_FUNCTION_TYPE_VAR_4): Document.
11388 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11389 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11390 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11391 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11392 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11393 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11394 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11395 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11396 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11397 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11398 into separate files.
11399 (DEF_GOMP_BUILTIN): New.
11400 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11401 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11402 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11403 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11404 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11405 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11406 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11407 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11408 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11409 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11410 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11411 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11412 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11413 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11414 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11415 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11416 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11417 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11418 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11419 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11420 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11421 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11422 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11423 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11424 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11425 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11426 * sync-builtins.def: New file, moved from builtins.def.
11427 * omp-builtins.def: New file, moved from builtins.def.
11428 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11429 * gimple-low.c (lower_function_body): Clear data.
11430 (lower_stmt): Do not handle COMPOUND_EXPR.
11431 Remove call to print_node_brief.
11432 * c-tree.h (c_finish_omp_clauses): New prototype.
11433 (C_DECL_THREADPRIVATE_P): Define.
11434 (lookup_name_no_remap, c_omp_remap_private): Remove
11435 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11436 (check_for_loop_decls): Update decl.
11437 (lookup_name_no_remap, c_omp_remap_private): Declare.
11438 (build_indirect_ref, build_modify_expr, pushdecl,
11439 pushdecl_top_level): Move to c-common.h.
11440 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11441 before the switch, but just in the 2 places that need it.
11442 * c-decl.c (diagnose_mismatched_decls): Do not check for
11443 mismatched thread-local attributes when OLDDECL is marked
11444 threadprivate and NEWDECL has no thread-local attributes.
11445 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11446 (c_gimple_diagnostics_recursively): Rename from
11447 c_warn_unused_result_recursively. Invoke
11448 diagnose_omp_structured_block_errors.
11449 (check_for_loop_decls): Return a singular decl found.
11450 * langhooks.c (lhd_omp_predetermined_sharing): Return
11451 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11452 (lhd_omp_firstprivatize_type_sizes): New.
11453 (lhd_omp_assignment): New.
11454 (lhd_omp_predetermined_sharing): New.
11455 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11456 (struct lang_hooks_for_types): Add
11457 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11458 omp_predetermined_sharing, omp_disregard_value_expr,
11459 omp_private_debug_clause, omp_clause_default_ctor,
11460 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11461 (c_finish_omp_clauses): New.
11462 (c_finish_bc_stmt): Diagnose break within omp for.
11463 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11464 (build_unary_op): Return error_mark after reporting
11466 (build_modify_expr): Likewise.
11467 * gimplify.c: Include optabs.h and pointer-set.h.
11468 (enum gimplify_omp_var_data): Declare.
11469 (struct gimplify_omp_ctx): Declare.
11470 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11472 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11473 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11474 (splay_tree_compare_decl_uid): New.
11475 (new_omp_context): New.
11476 (delete_omp_context): New.
11477 (gimple_add_tmp_var): Call omp_add_variable.
11478 (gimplify_bind_expr): Likewise.
11479 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11480 true, disregard DECL_VALUE_EXPR on the decl if any.
11481 (gimplify_expr_in_ctx): New.
11482 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11483 omp_add_variable, omp_notice_variable, omp_is_private
11484 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11485 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11486 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11487 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11488 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11489 gimplify_omp_atomic): New.
11490 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11491 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11492 OMP_CRITICAL and OMP_ATOMIC.
11493 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11494 * c-pragma.h (enum pragma_kind): Add
11495 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11496 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11497 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11498 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11499 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11500 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11501 PRAGMA_OMP_THREADPRIVATE.
11502 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11503 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11504 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11505 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11506 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11507 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11508 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11509 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11510 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11511 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11512 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11513 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11514 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11516 (struct nesting_info): Add field_map,
11517 suppress_expansion, debug_var_chain.
11518 (create_nesting_tree): Initialize them.
11519 (lookup_field_for_decl): Use field_map.
11520 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11521 (convert_local_omp_clauses): New.
11522 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11523 (walk_body): Split out of walk_function.
11524 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11525 (convert_nonlocal_reference): Handle omp statements.
11526 (convert_local_reference): Likewise.
11527 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11528 (unnest_nesting_tree): New.
11529 (lower_nested_functions): Call it.
11530 (insert_field_into_struct): Make extern.
11531 (struct walk_stmt_info): Move to tree-gimple.h.
11532 (walk_stmts): Make extern.
11533 * omp-builtins.def: New file.
11534 * tree-iterator.c (expr_only): Clarify comment.
11535 * c-common.h (pushdecl_top_level, pushdecl,
11536 build_modify_expr, build_indirect_ref,
11537 c_finish_omp_master, c_finish_omp_critical,
11538 c_finish_omp_ordered, c_finish_omp_barrier,
11539 c_finish_omp_atomic, c_finish_omp_flush,
11540 c_finish_omp_for, c_split_parallel_clauses,
11541 omp_clause_default_kind, c_omp_sharing_predetermined,
11542 c_omp_remap_decl): Declare.
11543 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11544 (OBJS-common): Add omp-low.o.
11545 (c-omp.o, omp-low.o): Add.
11546 (gimplify.o): Add dependency on $(OPTABS_H).
11547 (GTFILES): Add omp-low.c.
11548 (gt-stringpool.h): Add.
11549 * tree-cfg.c (set_bb_for_stmt): Do not update the
11550 block-to-labels map if we are currently expanding to RTL.
11551 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11553 Handle IDENTIFIER_NODE.
11554 (tree_verify_flow_info): Do not ICE when emitting error
11555 messages about invalid labels.
11556 (dump_function_to_file): Reset CFUN before emitting the body
11558 (debug_function): New.
11559 * passes.c (init_optimization_passes): Schedule
11561 * langhooks-def.h (lhd_omp_predetermined_sharing,
11562 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11564 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11565 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11566 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11567 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11568 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11569 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11570 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11571 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11572 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11573 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11574 (LANG_HOOK_DECLS): Use them.
11576 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11577 Richard Henderson <rth@redhat.com>
11578 Jakub Jelinek <jakub@redhat.com>
11579 Diego Novillo <dnovillo@redhat.com>
11581 * c-parser.c (pragma_omp_clause): Define.
11582 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11583 (c_parser_compound_statement): Likewise.
11584 (c_parser_statement): Likewise.
11585 (c_parser_pragma): Handle omp pragmas.
11586 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11587 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11588 (c_parser_omp_clause_name, check_no_duplicate_clause,
11589 c_parser_omp_variable_list,
11590 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11591 c_parser_omp_clause_copyprivate,
11592 c_parser_omp_clause_default,
11593 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11594 c_parser_omp_clause_lastprivate,
11595 c_parser_omp_clause_nowait,
11596 c_parser_omp_clause_num_threads,
11597 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11598 c_parser_omp_clause_reduction,
11599 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11600 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11601 c_parser_omp_atomic, c_parser_omp_barrier,
11602 c_parser_omp_critical, c_parser_omp_flush,
11603 c_parser_omp_for_loop, c_parser_omp_for,
11604 c_parser_omp_master, c_parser_omp_ordered,
11605 c_parser_omp_sections_scope, c_parser_omp_sections,
11606 c_parser_omp_parallel, c_parser_omp_single,
11607 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11608 * c-pragma.c (init_pragma): Do omp pragma registration here.
11609 * c.opt (fopenmp): New flag.
11611 2006-01-18 Eric Christopher <echristo@apple.com>
11613 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11614 * config/darwin.h (GOMP_SELF_SPECS): Define.
11616 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11618 * rtl.h: Remove the prototype for reg_alloc.
11620 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11623 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11624 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11625 sjlj and dwarf2 exception handling.
11626 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11627 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11628 * pa/pa.c (function_value): Treat complex and vector types as
11630 (function_arg): Likewise. Only pass scalar floats in the floating
11631 point argument registers.
11632 * pa/t-slibgcc-dwarf-ver: New file.
11633 * pa/t-slibgcc-sjlj-ver: New file.
11634 * pa/t-slibgcc-elf-ver: Delete file.
11636 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11638 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11639 unlikely_test_section_p test.
11641 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11643 * mode-switching.c (optimize_mode_switching): Make it static.
11644 * basic-block.h: Remove the prototype for
11645 optimize_mode_switching.
11647 * modulo-sched.c (sms_schedule): Make it static.
11648 * rtl.h: Remove the prototype for sms_schedule.
11650 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11651 * rtl.h: Remove the prototype for gcse_after_reload_main.
11653 * reg-stack.c (reg_to_stack): Make it static.
11654 * rtl.h: Remove the prototype for reg_to_stack.
11656 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11658 * rtl.h: Remove the prototypes for regrename_optimize and
11659 copyprop_hardreg_forward.
11661 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11663 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11664 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11665 Test against the appropriate null constant for the mode.
11666 If 'fixup_overlap' is true, swap the operands if they overlap.
11667 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11668 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11669 alpha_split_tmode_pair and adjust for above change.
11670 * config/alpha/alpha.md (movtf_internal): Adjust call to
11671 alpha_split_tfmode_pair and rely on it to swap the operands.
11672 (movti_internal): New insn and post-reload splitter.
11673 (movti): New expander.
11675 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11677 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11680 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11682 * rtlanal.c (global_reg_mentioned_p_1,
11683 global_reg_mentioned_p): Remove.
11684 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11686 * flow.c (initialize_uninitialized_subregs): Make it static.
11687 * rtl.h: Remove the prototype for
11688 initialize_uninitialized_subregs.
11690 * function.c (instantiate_virtual_regs): Make it static.
11691 * function.h: Remove the prototype for
11692 instantiate_virtual_regs.
11694 * regmove.c (regmove_optimize, combine_stack_adjustments):
11696 * rtl.h: Remove the prototypes for regmove_optimize and
11697 combine_stack_adjustments.
11699 2006-01-17 Roger Sayle <roger@eyesopen.com>
11701 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11702 (size_cost): Encode costs in bytes so that a reg-reg addition is
11703 equivalent to COSTS_N_INSNS(1).
11704 (override_options): Use the size_cost.branch_cost as the default
11705 ix86_branch_cost when optimizing for size.
11707 2006-01-18 Ben Elliston <bje@au.ibm.com>
11709 * Makefile.in (D32PBIT_FUNCS): New.
11710 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11711 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11712 D64PBIT_FUNCS and D128PBIT_FUNCS.
11713 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11714 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11716 (decnumber_dep): Define.
11717 * doc/libgcc.texi (Decimal float library routines): New node.
11718 * config/dfp-bit.h, config/dfp-bit.c: New files.
11720 2006-01-18 Ben Elliston <bje@au.ibm.com>
11722 * expr.c (emit_move_change_mode): Always adjust addresses, not
11723 just during reload. Copy replacements only during reload.
11724 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11725 emit_move_via_integer.
11727 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11729 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11730 instead of $(srcdir) and ${srcdir}.
11732 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11735 PR middle-end/11135
11736 * arm.h (struct machine_function): Add pic_reg.
11737 * arm.c (arm_pic_register): Make unsigned.
11738 (arm_override_options): Only set arm_pic_register if
11739 TARGET_SINGLE_PIC_BASE.
11740 (use_return_insn): Only test for a pic register if it is fixed.
11741 (arm_compute_save_reg0_reg12_mask): Likewise.
11742 (thumb_compute_save_reg_mask): Likewise.
11743 (legitimate_pic_operand): Factor out some known invariants.
11744 (legitimize_pic_address): If we don't have a fixed pic register,
11745 then set up a pseudo in the function entry sequence. Handle the
11746 pic base being in a pseudo.
11747 (arm_load_pic_register): Handle the pic register being in a pseudo.
11748 (arm_expand_prologue): Only set up the pic register if it is fixed.
11749 (thumb_expand_prologue): Likewise.
11750 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11751 (pic_load_addr_based_insn): Likewise.
11752 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11755 2006-01-18 Ben Elliston <bje@au.ibm.com>
11757 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11758 decimal float modes for all floating point registers.
11760 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11761 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11763 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11766 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11767 even when the pointer is not NULL.
11769 2006-01-16 Ian Lance Taylor <ian@airs.com>
11771 * common.opt (ftoplevel-reorder): New option.
11772 * cgraph.c (cgraph_asm_nodes): New global variable.
11773 (cgraph_asm_last_node): New static variable.
11774 (cgraph_order): New global variable.
11775 (cgraph_create_node): Set new order field.
11776 (cgraph_varpool_node): Likewise.
11777 (decide_is_variable_needed): Return true if not
11778 flag_toplevel_reorder.
11779 (cgraph_add_asm_node): New function.
11780 * cgraph.h (struct cgraph_node): Add order field.
11781 (struct cgraph_varpool_node): Add order field.
11782 (struct cgraph_asm_node): Define.
11783 (cgraph_asm_nodes, cgraph_order): Declare.
11784 (cgraph_add_asm_node): Declare.
11785 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11787 (cgraph_varpool_assemble_pending_decls): Call it.
11788 (cgraph_output_pending_asms): New static function.
11789 (cgraph_finalize_compilation_unit): Call it.
11790 (struct cgraph_order_sort): Define.
11791 (cgraph_output_in_order): New static function.
11792 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11793 !flag_toplevel_reorder case.
11794 * c-parser.c: Include "cgraph.h".
11795 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11797 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11798 than -fno-unit-at-a-time.
11799 * doc/invoke.texi (Option Summary): Mention
11800 -fno-toplevel-reorder.
11801 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11802 -funit-at-a-time documentation.
11804 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11805 Kazu Hirata <kazu@codesourcery.com>
11807 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11809 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11811 * Makefile.in (FUNCTION_H): New. Use it instead of
11812 function.h throughout the file.
11813 * function.h: Include tree.h.
11815 2006-01-17 Ben Elliston <bje@au.ibm.com>
11817 * recog.c: Separate some functions with whitespace.
11819 2006-01-16 Richard Henderson <rth@redhat.com>
11821 Merge from gomp branch:
11822 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11823 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11824 and rename from struct inline_data. Rename callee* to dst*;
11825 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11826 transform_new_cfg, transform_return_to_modify, and
11827 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11829 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11830 (copy_decl_for_dup): Remove.
11831 * tree-inline.c (struct inline_data): Move to header.
11832 (insert_decl_map): Export.
11833 (remap_decl): Update for member name changes. Use copy_decl hook.
11834 Allow for replacement to be a non-decl. Remove dead code.
11835 (remap_type_1): Check for existing mapping.
11836 (remap_type): Export.
11837 (remap_decls): Update for member name changes.
11838 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11839 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11840 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11841 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11842 (tree_function_versioning, build_duplicate_type): Likewise.
11843 (copy_body_r): Likewise. Export.
11844 (copy_decl_for_dup): Split into ...
11845 (copy_decl_for_dup_finish, copy_decl_to_var,
11846 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11847 (replace_ref_tree, inlining_p): Remove.
11849 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11851 * ifcvt.c (if_convert): Make it static.
11852 * rtl.h: Remove the prototype for if_convert.
11854 * local-alloc.c (local_alloc): Make it static.
11855 * rtl.h: Remove the prototype for local_alloc.
11857 * loop.c (loop_optimize): Make it static.
11858 * cfgloop.h: Remove the prototype for loop_optimize.
11861 2006-01-16 DJ Delorie <dj@redhat.com>
11863 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11866 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11868 * pa.md: Disparage copies between general and floating-point registers
11869 in 32-bit move patterns.
11871 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11874 * Makefile.in (check-%): Depend on site.exp instead of
11875 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11878 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11880 * global.c (global_alloc): Make it static.
11881 * rtl.h: Remove the prototype for global_alloc.
11883 2006-01-16 Richard Guenther <rguenther@suse.de>
11885 * tree-ssa-alias.c (struct used_part): Add write_only field.
11886 (get_or_create_used_part_for): Initialize it to true.
11887 (create_overlap_variables_for): Don't create structure variables
11888 for structures that only are written to.
11889 (find_used_portions): Handle MODIFY_EXPR to track whether a
11890 structure is only written to.
11892 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11894 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11896 * basic-block.h: Remove the prototype for
11897 partition_hot_cold_basic_blocks.
11899 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11901 * cppspec.c (lang_specific_spec_functions): Remove.
11902 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11903 * gcc.h (lang_specific_spec_functions): Remove.
11904 * gccspec.c (lang_specific_spec_functions): Remove.
11906 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11908 * combine.c (record_value_for_reg): Invalidate registers
11910 (record_dead_and_set_regs_1): Likewise, by passing them to
11911 record_value_for_reg.
11912 (record_dead_and_set_regs): Invalidate stores made by a
11913 call. We do not combine across a call, but we still
11914 relied on equivalences.
11916 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11918 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11919 vrp_int_const_binop returning non-constant nodes.
11921 2006-01-16 Paul Brook <paul@codesourcery.com>
11923 * config/m68k/m68k.c (output_move_const_into_data_reg):
11924 Output correct mnemonic for mvz and mvs.
11926 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11928 * rtl-factoring.c: Add sequence abstraction algorithm.
11929 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11930 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11932 (block_has_preserve_label): New function.
11933 * common.opt: Register new pass.
11934 * Makefile.in: Ditto.
11936 * timevar.def: Ditto.
11937 * tree-pass.h: Ditto.
11938 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11939 * rtl.h (make_jump_insn_raw): Add forward decl.
11940 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11942 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11943 Roger Sayle <roger@eyesopen.com>
11945 * fold-const.c (fold_minmax): New static function.
11946 (fold_binary) <MIN_EXPR>: Call it.
11947 <MAX_EXPR>: Likewise.
11948 * stor-layout.c (place_field): Use DECL_SIZE consistently
11949 in the computation of the new record size.
11951 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11953 * cse.c (cse_condition_code_reg): Make it static.
11954 * rtl.h: Remove the prototype for cse_condition_code_reg.
11956 * combine.c (combine_instructions): Make it static.
11957 * rtl.h: Remove the prototype for combine_instructions.
11959 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11962 * tree.c (get_file_function_name_long): Concatenate the first global
11963 object name with a string derived from the input filename of the object
11966 2006-01-16 Ben Elliston <bje@au.ibm.com>
11968 * config/i386/winnt-stubs.c: Update FSF address.
11969 * config/xtensa/ieee754-df.S: Ditto.
11970 * config/xtensa/ieee754-sf.S: Ditto.
11972 2006-01-14 Ian Lance Taylor <ian@airs.com>
11974 * ifcvt.c (noce_init_if_info): New static function, broken out of
11975 noce_process_if_block.
11976 (noce_process_if_block): Call noce_init_if_info.
11977 (check_cond_move_block): New static function.
11978 (cond_move_process_if_block): New static function.
11979 (process_if_block): Call cond_move_process_if_block.
11981 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11983 * cselib.c (hash_table): Rename to cselib_hash_table.
11984 (cselib_clear_table, discard_useless_values,
11985 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11986 cselib_init, cselib_finish): Adjust uses of hash_table.
11988 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11990 PR tree-optimization/25485
11991 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11992 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11993 is known to be false and true, respectively.
11995 2006-01-14 Richard Guenther <rguenther@suse.de>
11997 PR tree-optimization/22548
11998 PR tree-optimization/22555
11999 PR tree-optimization/22501
12000 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12001 * params.def (salias-max-array-elements): New parameter.
12002 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12003 * doc/invoke.texi (salias-max-array-elements): Document.
12004 * tree-flow-inline.h (var_can_have_subvars): We also handle
12006 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12008 * tree-ssa-structalias.c (params.h): Include.
12009 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12010 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12011 (get_constraint_for): For ADDR_EXPR operating on something
12012 containing an ARRAY_REF, add all subvars to the solution.
12013 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12014 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12015 for creating MUST_DEFs.
12016 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12018 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12020 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12022 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12023 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12024 number_of_iterations_le): New functions.
12025 (number_of_iterations_special): Removed.
12026 (number_of_iterations_exit): Do not use number_of_iterations_special.
12027 * tree.c (unsigned_type_for): Always return integer type.
12029 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12030 Richard Guenther <rguenther@suse.de>
12032 PR rtl-optimization/24257
12033 * gcse.c (find_moveable_store): Only consider a store movable
12034 when the SET_SRC of the insn can be assigned to a register.
12036 2006-01-14 Ian Lance Taylor <ian@airs.com>
12038 * tree.c (tree_not_class_check_failed): New function.
12039 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12040 (tree_not_class_check_failed): Declare.
12042 2006-01-13 Ian Lance Taylor <ian@airs.com>
12044 * reload1.c (do_output_reload): Add assertion rejecting a
12047 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12049 * combine.c (struct reg_stat): Add new fields truncation_label and
12051 (record_value_for_reg): Reset truncated_to_mode.
12052 (record_truncated_value): New function.
12053 (check_promoted_subreg): Call it. Rename to check_conversions.
12054 (combine_instructions): Rename check_promoted_subreg to
12056 (reg_truncated_to_mode): New function.
12057 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12058 (gen_lowpart_or_truncate): New function.
12059 (force_to_mode): Use it instead of gen_lowpart.
12061 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12063 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12064 VAR is a tag, not its type tag.
12066 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12068 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12069 alternatives to match style of other entries.
12070 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12072 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12074 PR tree-optimization/25771
12075 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12078 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12081 * tree-inline.c (declare_return_variable): If the return variable
12082 was marked as a non gimple complex, set the return slot variable
12083 to be a non gimple comple variable.
12085 2006-01-13 Richard Guenther <rguenther@suse.de>
12087 * builtins.c (expand_builtin_sincos): New function.
12088 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12090 (expand_builtin): Expand sincos using expand_builtin_sincos.
12092 2006-01-12 DJ Delorie <dj@redhat.com>
12094 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12095 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12096 so that constant shifts can be split.
12097 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12098 (m32c_valid_pointer_mode): Make static.
12099 (shift_gen_func_for): New.
12100 (m32c_prepare_shift): Use it. Split large const shifts into
12102 * config/m32c/predicates.md (shiftcount_operand): Allow more
12104 (longshiftcount_operand): New.
12105 * doc/md.texi (Machine Constraints): Document In6.
12107 2006-01-13 Ben Elliston <bje@au.ibm.com>
12109 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12110 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12113 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12115 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12116 to try to avoid clobbering pieces of structures when we know
12117 something about the whole structure.
12118 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12120 2006-01-13 Ben Elliston <bje@au.ibm.com>
12122 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12123 return in memory, as this is no limitation is no longer present.
12125 2006-01-12 DJ Delorie <dj@redhat.com>
12127 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12128 mova with fb, and for fb+0 -> An.
12130 * config/m32c/mov.md (peephole2): Fix enabling logic.
12132 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12133 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12134 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12135 FINI_ARRAY_SECTION_ASM_OP): Define.
12137 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12139 (m32c_legitimize_reload_address): New logic to reload FB to An.
12140 (m32c_output_reg_push): Add newline.
12141 (m32c_output_reg_pop): Likewise.
12143 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12145 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12147 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12149 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12151 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12153 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12156 2006-01-11 Ben Elliston <bje@au.ibm.com>
12158 * rtlanal.c (find_reg_note): Assert insn is not null.
12160 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12162 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12165 2006-01-11 Jeff Law <law@redhat.com>
12167 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12169 (mark_threaded_blocks, register_jump_thread): New functions.
12170 (thread_through_all_blocks): Remove unwanted argument. No
12171 longer rely on e->aux to communicate thread target info.
12172 Call mark_threaded_blocks. Release the threaded_blocks
12173 bitmap and threaded_edges vector when complete.
12174 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12175 (threaded_blocks): Remove.
12176 (tree_ssa_dominator_optimize): Remove initialization and
12177 finalization of threaded_blocks. Simplify call to
12178 thread_through_all_blocks.
12179 (thread_across_edge): Call register_jump_thread rather than
12180 storing thread information into e->aux.
12181 (free_all_edge_infos): Simplify now that e->aux is no longer
12182 used to communicate with thread_through_all_blocks.
12183 * tree-flow.h (thread_through_all_blocks): Update prototype.
12184 (register_jump_thread): Prototype.
12186 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12188 * df-core.c (df_compact_blocks, df_bb_replace): Use
12189 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12191 2006-01-11 Richard Guenther <rguenther@suse.de>
12193 PR tree-optimization/25734
12194 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12195 stop propagation after successful propagation to the LHS.
12197 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12199 * basic-block.h (control_flow_graph): Change the type of
12200 x_basic_block_info to VEC(basic_block,gc) *.
12201 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12203 (SET_BASIC_BLOCK): New.
12204 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12205 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12206 * cfgbuild.c (find_basic_blocks): Likewise.
12207 * cfglayout.c (fixup_reorder_chain): Likewise.
12208 * cfgrtl.c (create_basic_block_structure,
12209 rtl_create_basic_block): Likewise.
12210 * ifcvt.c (find_if_case_1): Likewise.
12211 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12214 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12216 * Makefile.in: Removed rotted odf.c entry.
12218 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12221 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12222 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12223 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12224 output pattern modifier, not %e.
12225 * config/cris/cris.c (cris_op_str): Update comment about pattern
12227 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12228 before falling through into...
12229 <case 'E'>: Redefined from old 'e' case.
12231 2006-01-11 Jan Hubicka <jh@suse.cz>
12234 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12236 2006-01-11 Jan Hubicka <jh@suse.cz>
12238 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12239 * i386.c (x86_decompose_lea): Kill.
12240 (ix86_rtx_costs): Kill.
12242 2006-01-11 Jan Hubicka <jh@suse.cz>
12244 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12245 * cgraph.h (cgraph_node): Add inline_decl.
12246 (cgraph_insert_node_to_hashtable): Declare.
12247 (save_inline_function_body): Declare.
12248 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12250 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12251 (cgraph_function_versioning): Update call of tree_function_versioning.
12252 (save_inline_function_body): New function.
12253 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12254 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12255 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12256 (cgraph_default_inline_p): Likewise.
12257 (cgraph_decide_inlining_incrementally): Likewise.
12258 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12259 (copy_bb): Kill saving; do updating of clones.
12260 (copy_cfg_body): Kill saving.
12261 (initialize_inlined-parameters): Likewise.
12262 (expand_call_inline): Likewise.
12264 (tree_function_versioning): New parameter "update_clones".
12265 (inlining_p): Kill saving.
12266 * tree-inline.h (tree_function_versioning): Update prototype.
12267 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12270 2006-01-11 Ian Lance Taylor <ian@airs.com>
12272 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12273 Allow undoing set of machine mode.
12274 (do_SUBST): Use enums instead of is_int.
12275 (do_SUBST_MODE): New function.
12276 (SUBST_MODE): New macro.
12277 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12278 reg and trying to replace reg_regno_rtx with a new register.
12279 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12280 (simplify_set): Use SUBST_MODE.
12281 (distribute_notes): Remove code that tried to update reg notes
12282 for regno_reg_rtx changes.
12284 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12286 PR tree-optimization/23109
12287 PR tree-optimization/23948
12288 PR tree-optimization/24123
12290 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12291 * tree-cfg.c (single_noncomplex_succ): New.
12292 * tree-flow.h (single_noncomplex_succ): Declare it.
12293 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12294 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12295 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12296 insert_bb, register_division_in, insert_reciprocals,
12297 replace_reciprocal, free_bb): New.
12298 (execute_cse_reciprocals_1): Rewritten.
12299 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12300 Do not commit any edge insertion. Always compute dominators and
12301 create the allocation pool.
12302 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12303 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12304 * targhooks.c (default_min_divistions_for_recip_mul): New.
12305 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12306 * passes.c (init_optimization_passes): Run recip after tree loop
12308 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12310 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12311 Kenneth Zadeck <zadeck@naturalbridge.com>
12313 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12314 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12315 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12316 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12317 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12318 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12319 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12320 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12321 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12322 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12323 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12324 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12325 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12326 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12327 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12328 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12329 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12330 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12331 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12332 DF_SCAN_POST_ALLOC): New macros.
12333 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12334 df_free_bb_function, df_local_compute_function, df_init_function,
12335 df_dataflow_function, df_confluence_function_0,
12336 df_confluence_function_n, df_transfer_function,
12337 df_finalizer_function, df_free_function, df_dump_problem_function,
12338 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12339 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12340 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12341 df_urec_bb_info, ) New types.
12342 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12344 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12345 df_analyze_simple_change_some_blocks,
12346 df_analyze_simple_change_one_block, df_compact_blocks,
12347 df_bb_replace, df_bb_regno_last_use_find,
12348 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12349 df_insn_regno_def_p, df_find_def, df_find_use,
12350 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12351 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12352 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12353 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12354 debug_df_chain, df_get_dependent_problem, df_chain_create,
12355 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12356 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12357 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12358 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12359 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12360 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12361 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12362 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12363 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12364 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12365 df_reorganize_refs, df_set_state, df_hard_reg_init,
12366 df_read_modify_subreg_p) New public functions.
12367 * df-core.c: The core dataflow solver and glue routines for rtl
12369 (df_init, df_add_problem, df_set_blocks, df_finish,
12370 df_hybrid_search_forward, df_hybrid_search_backward,
12371 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12372 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12373 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12374 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12375 df_reg_defined, df_find_use, df_reg_used, df_dump,
12376 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12377 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12378 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12379 debug_df_useno, reset_df_after_reload): New functions.
12380 * df-scan.c: The scanning fuctions, once in df.c, completely
12381 rewritten so that they now fully model the functionality of
12382 register usage at the backend.
12383 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12384 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12385 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12386 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12387 df_get_artificial_defs, df_get_artificial_uses,
12388 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12389 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12390 df_refs_delete, df_reorganize_refs, df_set_state,
12391 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12392 df_def_record_1, df_defs_record, df_uses_record,
12393 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12394 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12395 df_record_exit_block_uses, df_hard_reg_init): New functions.
12397 * df-problems.c: Seven concrete dataflow problems that use the
12398 scanning in df-scan.c and are solved by the engine in df-core.c.
12399 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12400 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12401 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12402 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12403 df_ru_free_bb_info, df_ru_alloc,
12404 df_ru_bb_local_compute_process_def,
12405 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12406 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12407 df_ru_transfer_function, df_ru_free, df_ru_dump,
12408 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12409 df_rd_free_bb_info, df_rd_alloc,
12410 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12411 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12412 df_rd_transfer_function, df_rd_free, df_rd_dump,
12413 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12414 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12415 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12416 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12417 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12418 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12419 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12420 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12421 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12422 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12423 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12424 df_urec_mark_reg_use_for_earlyclobber,
12425 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12426 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12427 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12428 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12429 df_chain_create_bb_process_use, df_chain_create_bb,
12430 df_chain_finalize, df_chain_free, df_chains_dump,
12431 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12432 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12433 df_reg_lifetime): New functions.
12434 * df.c: Deleted file.
12435 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12436 consistent with new df api.
12437 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12438 rest_of_handle_sms): Ditto.
12439 * web.c (unionfind_union, union_defs, entry_register, web_main):
12441 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12442 invariant_expr_equal_p, find_defs, check_dependencies,
12443 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12444 free_inv_motion_data, move_loop_invariants): Ditto.
12445 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12446 Update dependencies.
12447 (odf.c): Added defective entry that was deleted later in day.
12448 * sched-deps.c (sched_analyze_1): Ditto.
12450 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12452 * tree-ssa-operands.c (get_expr_operands): Record addressable
12453 variables directly. Do not call add_stmt_operands for CONST_DECLs
12455 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12456 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12458 2006-01-11 Ben Elliston <bje@au.ibm.com>
12460 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12461 function returns true in the positive case.
12463 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12466 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12467 for SI, DI, SF and DF modes. Add alternatives to copy between
12468 general and floating point registers to the 32-bit patterns.
12469 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12470 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12471 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12472 generating 64-bit code.
12473 * config/pa/pa.c (output_move_double): Handle copies between general
12474 and floating registers.
12476 2006-01-10 Stuart Hastings <stuart@apple.com>
12478 * config/i386/i386.md (set_got): Update.
12479 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12480 (builtin_setjmp_receiver): Mach-O support.
12481 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12482 (GOT_SYMBOL_NAME): Define.
12483 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12484 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12485 * config/i386/i386.c (override_options): Revise for Darwin.
12486 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12487 support. (darwin_x86_file_end): New. (output_set_got): Add label
12488 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12489 * config/i386/i386-protos.h (output_set_got): Likewise.
12490 * config/darwin.c (machopic_legitimize_pic_address): Update
12493 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12495 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12496 when MODE isn't BLKmode.
12498 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12500 PR rtl-optimization/25367
12501 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12503 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12506 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12507 for a negative bound.
12509 2006-01-10 Richard Guenther <rguenther@suse.de>
12511 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12512 Never override with anything constraint.
12514 2006-01-10 Jan Beulich <jbeulich@novell.com>
12516 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12517 256 bits when optimize_size.
12519 2006-01-10 Jan Beulich <jbeulich@novell.com>
12521 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12523 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12524 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12527 2006-01-10 Ben Elliston <bje@au.ibm.com>
12529 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12531 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12532 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12533 (USE_FP_FOR_ARG): Reject decimal float modes.
12534 (function_arg_advance): Likewise.
12535 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12536 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12537 point types in AltiVec vectors.
12538 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12539 (rs6000_libcall_value): Likewise.
12541 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12543 * config/xtensa/ieee754-df.S: New file.
12544 * config/xtensa/ieee754-sf.S: New file.
12545 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12546 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12547 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12549 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12551 * config/sh/predicates.md (binary_float_operator,
12552 binary_logical_operator, commutative_float_operator,
12553 equality_comparison_operator, greater_comparison_operator,
12554 less_comparison_operator, logical_operator,
12555 noncommutative_float_operator, shift_operator,
12556 symbol_ref_operand, unary_float_operator): Remove redundant
12559 2006-01-09 Jeff Law <law@redhat.com>
12561 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12562 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12563 now unused arguments. Callers updated.
12564 (eliminate_redundant_computations): Remove now unused arguments,
12566 (local_fold): Remove, no longer used.
12567 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12569 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12570 (simplify_cond): New function.
12571 (forward_propagate_into_cond): Call simplify_cond.
12573 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12575 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12576 (*vec_extractv2di_1_sse): New.
12578 2006-01-09 Ben Elliston <bje@au.ibm.com>
12580 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12582 2006-01-08 Richard Guenther <rguenther@suse.de>
12584 * tree-ssa-structalias.c (get_constraint_for): Remove
12585 anyoffset argument.
12586 (get_constraint_for_component_ref): Likewise.
12587 (do_deref): Likewise.
12588 (get_constraint_for): Likewise.
12589 (do_structure_copy): Likewise.
12590 (handle_ptr_arith): Likewise.
12591 (find_func_aliases): Likewise. Remove unused need_anyoffset
12594 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12595 Kaz Kojima <kkojima@gcc.gnu.org>
12597 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12598 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12599 (EXTRA_CONSTRAINT_C16): Remove.
12600 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12601 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12602 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12603 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12604 constants of SHmedia. Handle nested constant expressions of
12606 (andcosts): Fix the costs for SHmedia constants.
12607 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12608 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12609 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12610 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12611 (movv4hi_i, movv2si_i): Likewise.
12612 (movsi_const): Adjust the second operand of ior so to match with
12613 the Csu constraint.
12614 (movdi_const, movdi_const_32bit): Likewise.
12615 (movdi_const_16bit+1): Don't sign-extend LOW.
12616 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12618 (*double_shori): Fix the split condition. Use GEN_INT instead
12619 of get_int_mode calls. Mask lower 16-bit of the argument of
12621 (sym2GOTPLT): Remove.
12622 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12624 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12625 instead of EXTRA_CONSTRAINT_C16.
12627 2006-01-07 Ian Lance Taylor <ian@airs.com>
12628 David Edelsohn <edelsohn@gnu.org>
12630 PR rtl-optimization/25662
12631 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12632 for constant operands instead of simplify_gen_binary.
12633 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12634 after trying simplify_binary_operation
12636 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12638 * tree.c (iterative_hash_expr): Hash decls based on UID.
12640 2006-01-06 Eric Christopher <echristo@apple.com>
12642 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12643 (TARGET_UNWIND_EMIT): Fix spelling.
12644 * target.h (gcc_target): Add except_table_label.
12645 * except.c (output_function_exception_table): Use.
12646 * varasm.c (default_emit_except_table_label): New.
12647 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12649 (asm_out): Add here.
12650 * output.h (default_emit_except_table_label): Prototype.
12651 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12652 * config/darwin.c (darwin_emit_except_table_label): Define.
12653 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12655 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12657 PR tree-optimization/18527
12658 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12659 number_of_iterations_special, number_of_iterations_exit):
12660 Move base and step of an iv to a single structure. Add
12661 no_overflow flag, and use it in # of iterations analysis.
12662 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12663 folded_casts argument.
12664 (simple_iv): Pass base and step in a structure. Set no_overflow
12666 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12667 Evaluate expensiveness of computing # of iterations instead of
12668 the final expression.
12669 * tree-scalar-evolution.h (affine_iv): New structure.
12670 (simple_iv): Declaration changed.
12671 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12672 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12673 find_givs_in_stmt): Changed due to simple_iv change.
12675 2006-01-06 Jeff Law <law@redhat.com>
12678 * tree-cfg.c (bsi_replace): Rename final argument from
12679 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12680 change (stmt -> orig_stmt).
12681 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12682 (bsi_remove): Add new argument. Remove EH information
12684 (verify_eh_throw_table_statements): New function.
12685 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12687 * tree-optimize.c (execute_free_cfg_annotations): Verify
12688 the EH throw statement table after removing annotations.
12689 * except.h (verify_eh_throw_table_statements): Prototype.
12690 * tree-flow.h (bsi_remove): Update prototype.
12691 * tree-vrp.c (remove_range_assertions): Add new argument to
12693 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12694 * tree-complex.c (expand_complex_div_wide): Likewise.
12695 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12696 * tree-tailcall.c (eliminate_tailcall): Likewise.
12697 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12698 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12699 * tree-nrv.c (tree_nrv): Likewise.
12700 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12701 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12702 (combine_blocks): Likewise.
12703 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12704 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12705 (cleanup_control_flow): Likewise.
12706 (remove_forwarder_block): Likewise.
12707 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12708 * tree-sra.c (sra_replace): Likewise.
12709 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12710 (forward_propagate_single_use_vars): Likewise.
12711 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12712 * tree-inline.c (expand_call_inline): Likewise.
12713 * tree-vect-transform.c (vect_transform_loop): Likewise.
12714 * tree-outof-ssa.c (rewrite_trees): Likewise.
12715 * tree-cfg.c (make_goto_expr_edges): Likewise.
12716 (cleanup_dead_labels): Likewise.
12717 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12718 (bsi_move_before, bsi_move_after): Likewise.
12719 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12720 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12722 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12725 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12727 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12728 on non gimple variables. Also add checks at the top for decls and
12730 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12732 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12733 and IMAGPART_EXPR for creating MUST_DEFs.
12734 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12735 and NAME_MEMORY_TAG separately from the DECLs.
12737 2006-01-06 Richard Guenther <rguenther@suse.de>
12739 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12740 annotation, if necessary.
12741 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12742 redundant calls to update_stmt.
12743 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12746 2006-01-05 Richard Henderson <rth@redhat.com>
12748 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12750 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12752 * c-typeck.c: Update copyright date.
12754 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12756 * c-typeck.c (build_c_cast): Always warn when casting
12757 from a pointer to an integer of different size, even if
12758 the node was constant.
12760 2006-01-05 Richard Guenther <rguenther@suse.de>
12762 PR tree-optimization/22555
12763 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12764 if one structure field is an array.
12765 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12766 operands even if we found a subvar, but ignore VOPs in this
12768 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12770 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12772 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12774 PR middle-end/24998
12775 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12777 2006-01-05 Richard Guenther <rguenther@suse.de>
12778 Diego Novillo <dnovillo@redhat.com>
12780 * tree-pass.h (TODO_remove_unused_locals): Define.
12781 * gimple-low.c (expand_var_p, remove_useless_vars,
12782 pass_remove_useless_vars): Remove. Update all users.
12783 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12784 (remove_unused_locals): New function.
12785 * tree-flow.h (remove_unused_locals): Declare.
12786 * passes.c (execute_todo): Call remove_unused_locals if
12787 TODO_remove_unused_locals is set.
12788 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12789 * tree-ssa-dce.c (pass_dce): Likewise.
12790 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12792 2006-01-05 Richard Guenther <rguenther@suse.de>
12794 * tree-flow.h (struct fieldoff): Decompose field to
12795 type, size and decl.
12796 * tree-ssa-alias.c (create_sft): Take type as parameter.
12797 (create_overlap_variables_for): Store type, size and decl
12798 in the fieldoff structure.
12799 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12800 of struct fieldoff.
12801 (push_fields_onto_fieldstack): Likewise.
12802 (create_variable_info_for): Likewise. Use offset for the
12803 SFT name if the decl is not available.
12805 2006-01-04 Paul Brook <paul@codesourcery.com>
12807 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12809 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12811 * lambda-code.c (can_put_in_inner_loop): Relax
12813 (can_put_after_inner_loop): New function.
12814 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12815 (perfect_nestify): Change to make copies and modify uses.
12817 2006-01-04 Richard Henderson <rth@redhat.com>
12819 Merge from gomp branch:
12820 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12821 via integer constant.
12822 (pragma_lex): Remove.
12823 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12824 rather than parsing it.
12825 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12826 handle_pragma_extern_prefix): Add %< %> quotes.
12827 (registered_pragmas): New.
12828 (c_register_pragma_1): New.
12829 (c_register_pragma): Use it.
12830 (c_register_pragma_with_expansion): Likewise.
12831 (c_invoke_pragma_handler): New.
12832 (init_pragma): Use cpp_register_deferred_pragma directly for
12834 * c-pragma.h (enum pragma_kind): New.
12835 (pragma_handler): New.
12836 (c_invoke_pragma_handler): Declare.
12837 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12839 * c-common.h (c_common_pch_pragma): Update decl.
12840 * Makefile.in (c-parser.o): Update dependencies.
12841 (GTFILES): Add c-pragma.h.
12842 * c-parser.c (struct c_token): Add pragma_kind.
12843 (struct c_parser): Add in_pragma.
12844 (c_lex_one_token): Always initialize keyword and pragma_kind.
12845 Extract data for CPP_PRAGMA.
12846 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12847 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12848 Don't allow CPP_PRAGMA_EOL if in_pragma.
12849 (c_parser_consume_pragma): New.
12850 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12851 (c_parser_skip_to_end_of_parameter): Likewise.
12852 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12853 (c_parser_skip_to_pragma_eol): New.
12854 (c_parser_external_declaration): Handle CPP_PRAGMA.
12855 (c_parser_compound_statement_nostart): Likewise.
12856 (c_parser_statement_after_labels): Likewise.
12857 (c_parser_pragma): New.
12858 (pragma_lex): Likewise.
12859 (c_parser_pragma_pch_preprocess): New.
12860 (c_parser_new): Merge into ...
12861 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12863 2006-01-04 Jeff Law <law@redhat.com>
12866 * tree-cfg.c (bsi_replace): Remove the original statement
12867 from the EH throw statement table.
12869 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12871 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12872 make the prototype extern "C" and add throw ().
12875 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12876 and pos non-negative and pos + len <= 32.
12877 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12878 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12879 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12882 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12883 as well as sizes not multiple of component size.
12886 * function.c (instantiate_expr): New function.
12887 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12888 walk its DECL_VALUE_EXPR with instantiate_expr.
12890 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12891 DW_OP_deref{,_size} if address isn't going to be added.
12893 2006-01-04 Ben Elliston <bje@au.ibm.com>
12895 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12896 * config/fp-bit.c: Likewise.
12898 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12900 * dominance.c: Add comment about why we use DFS numbering
12903 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12904 Richard Henderson <rth@redhat.com>
12906 Merge from gomp-branch:
12907 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12908 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12910 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12912 PR rtl-optimization/25578
12913 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12914 pass a parameter to simplify_shift_const if changing ASHIFTRT
12917 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12919 * builtins.c (get_builtin_sync_mem): New function.
12920 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12921 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12922 Call get_builtin_sync_mem to generate mem rtx.
12924 2006-01-03 Richard Guenther <rguenther@suse.de>
12927 * stmt.c (add_case_node): Make sure to clear overflow flags
12930 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12932 Merge from gomp-branch.
12933 * config/sparc/sync.md: New file.
12934 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12935 UNSPECV_LDSTUB): New constants.
12936 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12937 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12938 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12941 2006-01-03 Roger Sayle <roger@eyesopen.com>
12943 * combine.c (reg_subword_p): New predicate to test whether the
12944 destination of a set refers to a subword/piece of a register.
12945 (try_combine): Generalize the code to merge the setting of a
12946 pseudo to a constant followed by a set of a subword of that
12947 register to a constant.
12949 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12951 * basic-block.h (control_flow_graph): Change the type of
12952 x_label_to_block_map to VEC(basic_block,gc) *.
12953 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12954 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12956 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12957 VEC(basic_block,heap) *.
12958 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12959 ssa_prop_fini): Adjust the uses of cfg_blocks.
12961 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12963 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12965 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12966 hashing trees instead of a pointer hash.
12967 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12968 compare for MEM_EXPR.
12970 PR rtl-optimization/25130
12971 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12972 when comparing MEMs for GCSE
12974 2006-01-03 Ben Elliston <bje@au.ibm.com>
12976 * targhooks.h (default_decimal_float_supported_p): Declare.
12977 * targhooks.c (default_decimal_float_supported_p): Define.
12978 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12979 `default_decimal_float_supported_p'.
12980 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12982 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12984 * combine.c (apply_distributive_law <SUBREG>): Check
12985 TRULY_NOOP_TRUNCATION.
12987 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12989 * dwarf2out.c (have_switched_text_section): Delete.
12990 (have_multiple_function_sections): New.
12991 (have_location_lists): Make 'bool'.
12992 (add_AT_loc_list): Use 'true' not '1'.
12993 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12994 (output_loc_list): Use have_multiple_function_sections.
12995 (output_ranges): Likewise.
12996 (dwarf2out_begin_function): Set have_multiple_function_sections if
12998 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12999 Check function_section rather than DECL_SECTION_NAME.
13000 (dwarf2out_finish): Use have_multiple_function_sections.
13001 Don't clear have_location_lists.
13003 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13004 Jan Hubicka <jh@suse.cz>
13006 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13007 case of conditional jump jumping to the next instruction.
13008 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13009 cases of conditional jump jumping to the next instruction.
13011 2006-01-02 Jan Hubicka <jh@suse.cz>
13013 * i386.c (*_cost): Add COSTS_N_INSNS.
13014 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13016 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13019 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13021 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13023 * config/arm/arm.c (all_fpus): Fix comment typo.
13024 * config/darwin.c: Likewise.
13025 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13026 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13027 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13029 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13031 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13032 (rs6000_split_compare_and_swapqhi): New.
13033 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13034 (sync_compare_and_swapqhi_internal): New.
13035 * config/rs6000/rs6000-protos.h: Declare.