+2006-05-04 David Edelsohn <edelsohn@gnu.org>
+
+ PR target/26481
+ * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
+ with output modifier.
+
+2006-05-04 Richard Sandiford <richard@codesourcery.com>
+
+ PR target/26765
+ * config/mips/mips.c (mips_symbolic_address_p): Return true
+ for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
+ SYMBOL_GOTTPREL, and SYMBOL_TLS.
+
+2006-05-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/14287
+ PR tree-optimization/14844
+ PR tree-optimization/19792
+ PR tree-optimization/21608
+ PR tree-optimization/27090
+ * tree-ssa-pre.c (try_combine_conversion): New function.
+ (compute_avail): After constructing the value-handle
+ expression, use try_combine_conversion to combine NOP_EXPRs
+ with previous value-handle expressions and use the result if it
+ is available.
+
+2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
+
+ * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
+
+2006-05-04 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/25962
+ * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
+
+2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/predicates.md (const01_rtx): Tell generator programs
+ that this only matches CONST_INTs. All users changed to VOIDmode
+ operands.
+
+ * config/bfin/bfin.c: Include "optabs.h".
+ (bfin_rtx_costs): Some costs for vector operations, to allow combine
+ to do more work.
+ (enum bfin_builtins): Add a number of fractional and vector builtins.
+ (bfin_init_builtins): Likewise.
+ (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
+ (safe_vector_operand, bfin_expand_binop_builtin,
+ bfin_expand_unop_builtin): New functions.
+ (bfin_expand_builtin): Handle the new builtins.
+ * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
+ __ADSPBLACKFIN__.
+
+2006-05-04 Leehod Baruch <leehod@il.ibm.com>
+
+ * see.c: New file.
+ * Makefile.in (OBJS-common): Add see.o.
+ (see.o): Add dependencies.
+ * common.opt (fsee): New flag for the see optimization was added.
+ * opts.c (flag_see): Initialized.
+ * passes.c (init_optimization_passes, pass_see): New pass.
+ * rtl.h (see_main): Declaration as extern.
+ * timevar.def (TV_SEE): New.
+ * tree-pass.h (pass_see): Declaration as extern.
+ * invoke.texi (-fsee): Document.
+ * recog.c (validate_simplify_insn): New function.
+ * recog.h (validate_simplify_insn): Declaration as extern.
+ * df-problems.c (df_chain_dump): Check for NULL.
+
+2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
+ Daniel Berlin <dberlin@dberlin.org>
+
+ * cfgrtl.c (insert_insn_bb_end_new): New function.
+ * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
+
+2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
+
+ * df.h (struct web_entry): Moved from web.c.
+ (union_defs): Declaration as extern.
+ (unionfind_root): Likewise.
+ (unionfind_union): Likewise.
+ * web.c (struct web_entry): Moved to df.h.
+ (unionfind_root): Remove static declaration.
+ (unionfind_union): Likewise.
+ (union_defs): Likewise and generalize to use callback function.
+ (web_main): Update arguments for union_defs function call.
+
+2006-05-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/26447
+ * tree-ssa-pre.c (realify_fake_stores): For necessary loads
+ produce SSA_NAME copies before the store stmt to avoid
+ breaking exception handling.
+
+2006-05-04 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/27388
+ * gimplify.c (omp_is_private): If var is shared in some outer context,
+ return false instead of true. Stop searching on parallel context
+ boundary.
+
+2006-05-03 Alexandre Oliva <aoliva@redhat.com>
+
+ PR java/8260
+ * coverage.c: Use get_gcov_unsigned_t() instead of
+ unsigned_type_node all over.
+
+2006-05-02 Andrew MacLeod <amacleod@redhat.com>
+
+ PR tree-optimization/27381
+ * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
+ maintain the same immediate_use links.
+ * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
+ node rather than segfaulting.
+
+2006-05-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR fortran/27395
+ * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
+ rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
+ bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
+
+2006-05-02 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/26626
+ * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
+ always.
+ * tree-ssa-operands.c (access_can_touch_variable): Allow
+ typecasting through union pointers.
+
+2006-05-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/26943
+ * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
+ (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
+ to find if var will be a global variable even in the nested context.
+ (omp_copy_decl): Only check for global variable at the end, it might
+ be overridden in outer contexts.
+ (scan_sharing_clauses): For global variables don't create a field.
+ (lower_rec_input_clauses): Do nothing for global shared variables.
+ Emit a barrier at the end of ILIST if there were any decls in both
+ firstprivate and lastprivate clauses.
+ (lower_send_clauses): Do nothing for global variables except for
+ COPYIN.
+
+2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree.c (unsigned_type_for, signed_type_for): Make sure a type
+ of the correct signedness is returned.
+
+2006-05-02 Jeff Law <law@redhat.com>
+
+ PR tree-optimization/27364
+ * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
+ multiply expressions.
+
+2006-05-02 Tom Tromey <tromey@redhat.com>
+
+ * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
+
+2006-05-02 Kazu Hirata <kazu@codesourcery.com>
+
+ PR target/27387
+ * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
+ -mthumb -fPIC are used.
+
+2006-05-02 Joshua Kinard <kumba@gentoo.org>
+
+ PR target/25871
+ * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
+ with 64-bit pointers.
+
+2006-05-02 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (add_minipool_forward_ref): Check if insn
+ and pool overlap.
+ (create_fix_barrier): Check that a suitable barrier location is
+ found.
+ (arm_reorg): Include ftmp->address in allowable range of addresses.
+
+2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
+
+ PR ada/27366
+ * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
+ on Cygwin.
+
+2006-05-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/27337
+ * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
+ around RESULT_DECL for result passed by reference.
+ (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
+ * omp-low.c (use_pointer_for_field): Don't look at
+ DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
+ (scan_omp_1): Call remap_decl on RESULT_DECLs.
+ (lower_rec_input_clauses): Don't allocate VLA memory for the second
+ time or var for passing by reference for
+ OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
+ TREE_ADDRESSABLE variables when passing by reference.
+
+ * omp-low.c (dump_omp_region): Fix output formatting.
+
+ PR middle-end/27328
+ * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
+ (expand_omp_parallel): Likewise.
+ * tree-cfg.c (move_sese_region_to_fn): Likewise.
+
+ PR middle-end/27325
+ * omp-low.c (lower_omp_sections): Call maybe_catch_exception
+ on statement list containing also constructors and destructors.
+ (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
+
+ PR middle-end/27310
+ * except.c (duplicate_eh_regions): Fix clearing of
+ cfun->eh->region_array entries.
+
+2006-05-01 DJ Delorie <dj@redhat.com>
+
+ * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
+ build!=host.
+ (gcc_cv_objdump): Likewise.
+ * configure: Regenerated.
+
+2006-05-01 Kazu Hirata <kazu@codesourcery.com>
+
+ PR target/27374
+ * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
+ templates for case 3 and 4.
+
+2006-05-01 DJ Delorie <dj@redhat.com>
+
+ * vec.c: Include bconfig.h when appropriate.
+ * Makefile.in (build/vec.o): Adjust dependencies.
+ * mkconfig.sh: Make sure config.h isn't used for build machine
+ compiles.
+
+2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
+ variables.
+ (mark_phi_for_rewrite): New function.
+ (insert_phi_nodes_for, mark_use_interesting): Call
+ mark_phi_for_rewrite.
+ (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
+ (update_ssa): Initialize and free phis_to_rewrite.
+
+2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/27291
+ * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
+ folded to a constant.
+
+2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/27283
+ * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
+ not whole # of iteration descriptions.
+ (niter_for_exit): Return just # of iterations. Fail if # of iterations
+ uses abnormal ssa name.
+ (niter_for_single_dom_exit): Ditto.
+ (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
+ return just the number of iterations.
+
+2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/27144
+ * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
+ (record_estimate): Only record constant upper bound.
+ (infer_loop_bounds_from_undefined): Call
+ compute_estimated_nb_iterations just once.
+ (proved_non_wrapping_p): Renamed to ...
+ (n_of_executions_at_most): ... this. Expect bound to be a constant.
+ (convert_step_widening, scev_probably_wraps_p): Call
+ n_of_executions_at_most instead of proved_non_wrapping_p.
+ (substitute_in_loop_info): Do not replace values in bounds.
+ * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
+ comments.
+
+2006-05-01 Richard Henderson <rth@redhat.com>
+
+ PR c/27358
+ * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
+ c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
+ CPP_PRAGMA.
+
+2006-05-01 Roger Sayle <roger@eyesopen.com>
+
+ * c-typeck.c (parser_build_binary_op): Don't call the function
+ unsigned_conversion_warning to spot operand/result type overflow.
+ (build_binary_op): Instead, call convert_and_check instead of
+ convert to report the problem when the operands are promoted.
+ * c-common.c (unsigned_conversion_warning): Make static.
+ * c-common.h (unsigned_conversion_warning): Delete prototype.
+
+2006-05-01 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/26726
+ * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
+ problem ...
+ (find_interesting_uses_address): ... we work around here
+ by folding INDIRECT_REFs in the substituted base.
+
+2006-05-01 Diego Novillo <dnovillo@redhat.com>
+
+ * omp-low.c (dump_omp_region): Add newlines.
+
+2006-04-30 Roger Sayle <roger@eyesopen.com>
+
+ * common.opt (Woverflow): New command line option.
+ * c-common.c (constant_expression_warning): Check warn_overflow.
+ (overflow_waring): Pass OPT_Woverflow to warning.
+ (unsigned_conversion_warning): Likewise.
+ (convert_and_check): Likewise.
+ * doc/invoke.texi: Document new command line option.
+
+2006-04-30 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (rs6000_override_options): Enable
+ TARGET_NO_FP_IN_TOC for section anchors.
+ (optimization_options): Enable section anchors for all
+ non-"Objective" languages.
+
+2006-04-28 Eric Christopher <echristo@apple.com>
+
+ * config/darwin-c.c (darwin_ms_struct): Move this
+ (darwin_set_default_type_attributes): and this...
+ * config/darwin.c: ... here.
+ * config/darwin.h (darwin_ms_struct): Declare.
+
+2006-04-28 Andrew MacLeod <amacleod@redhat.com>
+
+ * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
+
+2006-04-28 Roger Sayle <roger@eyesopen.com>
+
+ PR c/25309
+ * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
+ (push_array_bounds): Delete prototype. Change BOUNDS argument to
+ an unsigned HOST_WIDE_INT.
+ (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
+ array index.
+ (really_start_incremental_init): No need to call convert because
+ bitsize_zero_node is already of type bitsizetype.
+ (push_init_level): Extract the value of constructor_index as an
+ unsigned HOST_WIDE_INT quantity, using tree_low_cst.
+ (process_init_element): Likewise.
+
+2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
+
+ * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
+ value before passing to make_relative_prefix.
+
+2006-04-28 Alan Modra <amodra@bigpond.net.au>
+
+ PR middle-end/27260
+ * builtins.c (expand_builtin_memset): Expand val in original mode.
+
+2006-04-27 Eric Christopher <echristo@apple.com>
+
+ * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
+ with #ifndef/#endif.
+ * config/darwin-c.c (darwin_ms_struct): New.
+ (darwin_pragma_ms_struct): Ditto.
+ (darwin_set_default_type_attributes): Ditto.
+ * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
+ * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
+ Register ms_struct pragma.
+ * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
+ (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
+ * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
+ darwin_set_default_type_attributes if TARGET_MACHO.
+
+2006-04-27 Andrew MacLeod <amacleod@redhat.com>
+
+ PR tree-optimization/26854
+ * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
+ * doc/tree-ssa.texi: Update immuse iterator documentation.
+ * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
+ * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
+ * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
+ first_safe_imm_use, next_safe_imm_use): Remove.
+ (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
+ (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
+ (move_use_after_head): New. Helper function to sort immuses in a stmt.
+ (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
+ (first_imm_use_stmt): New. Get first stmt in an immuse list.
+ (next_imm_use_stmt): New. Get next stmt in an immuse list.
+ (first_imm_use_on_stmt): New. Get first immuse on a stmt.
+ (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
+ (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
+ * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
+ (perfect_nestify): Use new iterator.
+ * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
+ iterator.
+ * tree-flow.h (struct immediate_use_iterator_d): Add comments.
+ (next_imm_name): New field in struct immediate_use_iterator_d.
+ (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
+ (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
+ FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
+ * tree-cfg.c (replace_uses_by): Use new iterator.
+ * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
+ * tree-ssa-operands.c (correct_use_link): Remove.
+ (finalize_ssa_use_ops): No longer call correct_use_link.
+
+2006-04-27 Stuart Hastings <stuart@apple.com>
+
+ * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
+ * config/t-darwin (crt3.o): Use it.
+ * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
+ 'pmode', use Pmode instead of SImode for SYMBOL_REF.
+ * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
+ call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
+ call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
+ support.
+
+2006-04-27 Roger Sayle <roger@eyesopen.com>
+
+ * expmed.c (store_fixed_bit_field): If we're not optimizing for
+ size, force the intermediate into a new pseudo rather instead of
+ performing both a bitwise AND and a bitwise IOR in memory.
+
+2006-04-27 Richard Guenther <rguenther@suse.de>
+
+ PR rtl-optimization/26685
+ * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
+ this one "max-flow-memory-locations".
+
+2006-04-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/25148
+ * tree-vrp.c (compare_values): Remove code dealing with
+ comparisons against type min/max value. Honour overflow
+ and negative constants in code dealing with comparisons
+ of plus and minus expressions.
+ (value_inside_range): Use fold_binary with LE_EXPR and
+ GE_EXPR rather than compare_values.
+
+2006-04-27 Dirk Mueller <dmueller@suse.de>
+
+ * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
+ prototype for SSE.
+
+2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * basic-block.h (safe_insert_insn_on_edge): Removed.
+ * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
+
+
+2006-04-26 David Edelsohn <edelsohn@gnu.org>
+ Paolo Bonzini <bonzini@gnu.org>
+
+ PR middle-end/27282
+ * combine.c (simplify_and_const_int_1): Use gen_int_mode.
+ (simplify_and_const_int): Same.
+
+2006-04-26 Aldy Hernandez <aldyh@redhat.com>
+
+ * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
+
+2006-04-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/26171
+ * cgraph.c (cgraph_varpool_finalize_decl): Don't call
+ cgraph_varpool_assemble_pending_decls if -fopenmp, unless
+ cgraph_global_info_ready.
+
+ PR middle-end/26913
+ * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
+
+ PR c/25996
+ * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
+ either decl or init is error_mark_node.
+
+ PR middle-end/25989
+ * tree-flow.h (struct omp_region): Add sched_kind.
+ * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
+ instead of extracting omp for data.
+ (expand_omp_for): Save extracted sched_kind.
+
+2006-04-25 Roger Sayle <roger@eyesopen.com>
+
+ * expmed.c (store_bit_field): Also check whether the bitsize is
+ valid for the machine's "insv" instruction before moving the
+ target into a pseudo for use with the insv.
+ * config/i386/predicates.md (const8_operand): New predicate.
+ * config/i386/i386.md (extv, extzv, insv): Use the new
+ const8_operand predicate where appropriate.
+
+2006-04-25 DJ Delorie <dj@redhat.com>
+
+ * doc/install.texi (Specific): Clarify that this is not a list of
+ supported hosts or targets.
+
+2006-04-25 Richard Sandiford <richard@codesourcery.com>
+
+ PR rtl-optimization/26725
+ * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
+ block's BB_DIRTY flag.
+
+2006-04-25 Geoffrey Keating <geoffk@apple.com>
+
+ * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
+ are no branches.
+
+ * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
+ to print an integer.
+
+2006-04-25 David Edelsohn <edelsohn@gnu.org>
+
+ * varasm.c (align_variable): New function.
+ (get_block_for_decl): Apply align_variable to DECL before
+ calculating section information.
+ (assemble_variable): Split out alignment computation.
+
+2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
+ machines.
+
+2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
+ MODE_PARTIAL_INT mode.
+ * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
+ * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
+ for CONST_INTs.
+ (hard_regno_mode_ok): V2PDImode is ok for accumulators.
+ * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
+ V2PDImode.
+ * config/bfin/predicates.md (const01_operand, vec_shift_operand):
+ New predicates.
+ * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
+ New constants.
+ (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
+ MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
+ MACFLAG_IH): Likewise.
+ (movstricthi_1): Renamed from "*movstricthi".
+ (load_accumulator, load_accumulator_pair, movsi_insv, insv,
+ ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
+ abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
+ movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
+ movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
+ movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
+ addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
+ sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
+ addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
+ mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
+ ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
+ flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
+ flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
+ flag_macv2hi_parts, flag_macv2hi_parts_acconly,
+ flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
+
+ * doc/rtl.texi (ss_ashift): Improve wording.
+
+2006-04-24 Geoffrey Keating <geoffk@apple.com>
+
+ * dwarf2out.c (verify_marks_clear): New.
+ (prune_unused_types): Call verify_marks_clear initially, not
+ prune_unmark_dies.
+
+2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * rtl.def (SS_ASHIFT, SS_NEG): New codes.
+ * doc/rtl.texi: Document them.
+ * simplify-rtx.c (simplify_unary_operation,
+ simplify_binary_operation_1): Don't abort when we see them.
+
+2006-04-24 Mark Mitchell <mark@codesourcery.com>
+
+ Revert:
+ 2006-04-23 Mark Mitchell <mark@codesourcery.com>
+ * configure.ac: Completely disregard languages that are not
+ enabled.
+ * configure: Regenerated.
+
+2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
+ Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/27236
+ * tree-inline.c (copy_body_r): Make sure to copy
+ TREE_THIS_VOLATILE flag.
+
+2006-04-24 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/26869
+ * tree-complex.c (update_parameter_components): Don't handle
+ unused parameters which have no default def.
+
+2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
+ Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/27218
+ * tree-inline.c (expand_call_inline): Strip useless type
+ conversions for the return slot address.
+
+2006-04-24 Richard Guenther <rguenther@suse.de>
+
+ * cfgloop.h (struct loops): Remove unused field array. Reorder
+ state after num.
+ (LOOP_PREFETCH): Remove.
+
+2006-04-24 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/22525
+ * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
+ variable, adjust types of generated expressions.
+
+2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
+
+ * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
+ (tree-vect-patterns.o): Likewise.
+ (jump.o): Likewise.
+ (cselib.o): Likewise.
+ (loop-doloop.o): Likewise.
+ (regclass.o): Likewise.
+ (reload1.o): Likewise.
+ (explow.o): Replace target.h with $(TARGET_H).
+ (ipa-prop.o): Likewise.
+ (ipa-cp.o): Likewise.
+ (ipa-inline.o): Likewise.
+ (reorg.o): Likewise.
+ (reg-stack.o): Likewise.
+
+2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
+
+2006-04-23 Mark Mitchell <mark@codesourcery.com>
+
+ * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
+
+ * configure.ac: Completely disregard languages that are not
+ enabled.
+ * configure: Regenerated.
+
+ PR c++/26534
+ * c-common.h (c_build_bitfield_integer_type): Declare.
+ * c-decl.c (c_build_bitfield_integer_type): Move to ...
+ * c-common.c (c_build_bitfield_integer_type): ... here.
+
+2006-04-23 Roger Sayle <roger@eyesopen.com>
+
+ PR target/21283
+ * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
+ a SImode SUBREG of a floating point register after no_new_pseudos.
+
+2006-04-23 Roger Sayle <roger@eyesopen.com>
+
+ * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
+ identify potentially eliminable registers to additionally catch
+ VIRTUAL_INCOMING_ARGS_REGNUM.
+ (addsi3): Update the conditions on when to use addsi_small_int.
+
+2006-04-23 Roger Sayle <roger@eyesopen.com>
+
+ PR target/16641
+ * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
+ STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
+ rtx to stack_pointer_rtx or frame_pointer_rtx directly.
+
+2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
+
+ * fold-const.c (range_predecessor): Use operand_equal_p
+ as the predicate for equality.
+ (range_successor): Likewise.
+
+2006-04-22 Kazu Hirata <kazu@codesourcery.com>
+
+ Revert:
+ * config/soft-fp/op-common.h: Fix a typo.
+
+2006-04-22 Frank Ch. Eigler <fche@redhat.com>
+
+ PR libmudflap/26864
+ * common.opt (flag_mudflap_threads): Overload flag_mudflap.
+ * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
+
+2006-04-22 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
+ Fix comment typos.
+ * doc/tm.texi: Fix a typo.
+
+2006-04-21 Geoffrey Keating <geoffk@apple.com>
+
+ * dwarf2out.c (struct die_struct): Document that die_sib makes
+ a circular linked list.
+ (FOR_EACH_CHILD): New.
+ (reverse_die_lists): Delete.
+ (reverse_all_dies): Delete.
+ (add_dwarf_attr): Correct documentation.
+ (remove_child_with_prev): New.
+ (remove_child_TAG): Update for change to die_struct, use
+ remove_child_with_prev.
+ (add_child_die): Update for change to die_struct.
+ (splice_child_die): Use remove_child_with_prev and add_child_die.
+ (print_die): Use FOR_EACH_CHILD.
+ (die_checksum): Likewise.
+ (assign_symbol_names): Likewise.
+ (output_location_lists): Likewise.
+ (build_abbrev_table): Likewise.
+ (calc_die_sizes): Likewise.
+ (mark_dies): Likewise.
+ (unmark_dies): Likewise.
+ (unmark_all_dies): Likewise.
+ (output_die): Likewise.
+ (prune_unused_types_mark): Likewise.
+ (prune_unused_types_walk): Likewise.
+ (same_die_p): Update for change to die_struct.
+ (break_out_includes): Likewise.
+ (prune_unused_types_prune): Likewise.
+ (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
+ (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
+ it's already clear.
+ (dwarf2out_finish): Don't call reverse_all_dies.
+
+2006-04-21 Eric Christopher <echristo@apple.com>
+
+ * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
+ in comments and function names.
+
+2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
+
+ PR c/25875
+ * c-typeck.c (digest_init): Robustify.
+
+ * c-typeck.c (pop_init_level): Simplify.
+
+2006-04-21 Steve Ellcey <sje@cup.hp.com>
+
+ * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
+
+2006-04-21 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (arm_override_options): Error on iWMMXt and
+ hardware floating point.
+
+2006-04-21 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
+ NON_FLOAT_REGS.
+
+2006-04-21 Nick Clifton <nickc@redhat.com>
+
+ * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
+ OPT_EXTRA_PARTS.
+
+2006-04-21 Alan Modra <amodra@bigpond.net.au>
+
+ PR target/27230
+ * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
+ C++ lang type in traceback table for Objective-C++.
+
+ * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
+
+2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
+
+2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
+
+ PR mudflap/26789
+ * tree-mudflap.c (mudflap_finish_file): Skip function when there
+ were errors. Remove check for erroneous objects.
+
+2006-04-20 Jeff Law <law@redhat.com>
+
+ PR tree-optimization/26854
+ * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
+ checking for zero or one use.
+ * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
+ * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
+ * tree-ssa-reassoc.c (negate_value): Similarly.
+ (reassociate_bb): Similarly.
+
+2006-04-20 Jakub Jelinek <jakub@redhat.com>
+
+ * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
+ TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
+ than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
+
+2006-04-20 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
+ fp regs if the last fp arg doesn't fit in regs.
+
+2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/27182
+ * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
+ that the last insn has the REG_INC note.
+
+2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
+ Nathan Sidwell <nathan@codesourcery.com>
+
+ PR c/26774
+ * stor-layout.c (update_alignment_for_field): Do not align
+ ERROR_MARK nodes.
+ (place_union_field): Place union field at the start of the union.
+ (place_field): Move ERROR_MARK check later, and use the current
+ allocation position to maintain monotonicity.
+
+2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * dominance.c: Include timevar.h.
+ (calculate_dominance_info): Use TV_DOMINANCE.
+ * timevar.def (TV_DOMINANCE): New timevar.
+ * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
+
+2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ PR rtl-optimization/14261
+ * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
+ move would be an INSV insn.
+ (noce_process_if_block): Don't optimize if the destination is a
+ ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
+
+2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md: Add comments with the instructions emitted
+ by an insn pattern if macros are used.
+
+2006-04-19 Alan Modra <amodra@bigpond.net.au>
+
+ PR rtl-optimization/26026
+ * fold-const.c (fold_binary): Optimize div and mod where the divisor
+ is a known power of two shifted left a variable amount.
+
+2006-04-18 Geoffrey Keating <geoffk@apple.com>
+
+ * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
+ to hash table twice when the debug_str section has SECTION_MERGE.
+
+2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
+
+ * config/soft-fp: New directory. From glibc.
+ * config/soft-fp/t-softfp: New.
+ * config/soft-fp/README: New.
+ * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
+ * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
+ (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
+ (LIBGCC_DEPS): Add $(SFP_MACHINE).
+ * config.gcc: Use rs6000/t-fprules-fpbit or
+ rs6000/t-fprules-softfp and soft-fp/t-softfp together with
+ rs6000/t-fprules.
+ * config/rs6000/sfp-machine.h: New. Based on glibc.
+ * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
+ New.
+ * config/rs6000/t-fprules: Remove fp-bit rules.
+ * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
+ * config/rs6000/t-linux64: Likewise. Remove duplicates from
+ LIB2FUNCS_EXTRA. Remove fp-bit rules.
+ (softfp_wrap_start, softfp_wrap_end): New.
+
2006-04-18 DJ Delorie <dj@redhat.com>
* config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2006-04-18 Devang Patel <dpatel@apple.com>
* doc/invoke.texi (-Wuninitialized): Clarify -O connection.
-
+
2006-04-18 Nick Clifton <nickc@redhat.com>
* config/sh/t-symbian: Add rule to build sh-c.o
2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
- * builtins.c (expand_builtin_strcmp): Cover label definition of
+ * builtins.c (expand_builtin_strcmp): Cover label definition of
do_libcall with HAVE_cmpstrnsi.
2006-04-18 Kazu Hirata <kazu@codesourcery.com>
(make_omp_sections_edges): Remove.
(is_ctrl_altering_stmt): Don't bother checking flag_openmp.
(move_stmt_r): Handle OMP_CONTINUE.
- * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
+ * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
statement pointers to basic blocks. Add type member.
(root_omp_region, new_omp_region, free_omp_regions): Declare.
* tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
we're about to assign a vector to it using vec_init_optab.
2006-04-10 Daniel Berlin <dberlin@dberlin.org>
-
+
* tree-ssa-alias.c (lhs_may_store_to): New function.
(recalculate_used_alone): Handle LHS of calls.
* tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
- estimate_numbers_of_iterations_loop): Use build_int_cst instead of
+ estimate_numbers_of_iterations_loop): Use build_int_cst instead of
build_int_cst_type.
* tree-chrec.c (chrec_fold_multiply_poly_poly,
chrec_fold_multiply): Same.
(Downloading the source): Refer to SVN instead of CVS.
Adjust a link to our web site accordingly.
(Configuration): Fix casing of Bison.
- (Building): Refer to SVN instead of CVS.
+ (Building): Refer to SVN instead of CVS.
Fix a sentence on the use of Bison and remove duplicate (and
incorrect) version number of Bison requirement.
Remove one redundant list of packages needed for building.
2006-04-04 Matthias Klose <doko@debian.org>
* Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
+ * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
+ strings.
2006-04-03 Geoffrey Keating <geoffk@apple.com>
2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
- PR mudflap/26790
+ PR mudflap/26789
* tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
- PR mudflap/26789
+ PR mudflap/26790
* tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>