+2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
+
+ * cse.c (enum taken): Remove PATH_AROUND.
+ (addr_affects_sp_p, invalidate_skipped_set,
+ invalidate_skipped_block): Remove.
+ (cse_end_of_basic_block): Remove skip_blocks and related code.
+ (cse_main): Don't test for flag_cse_skip_blocks.
+ Update cse_end_of_basic_block call.
+ (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
+ code to lengthen the path if a jump was simplified.
+
+2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/29924
+ * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
+ (unroll_loop_runtime_iterations): Assert that the argument passed to
+ split_edge_and_insert is not NULL.
+ * loop-doloop.c (add_test): Ditto.
+
+2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
+ functions.
+ * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
+ * cfgloopmanip.c (update_single_exits_after_duplication,
+ update_single_exit_for_duplicated_loop, loop_version): Ditto.
+ * tree-scalar-evolution.c (get_loop_exit_condition,
+ get_exit_conditions_rec, loop_closed_phi_def,
+ number_of_iterations_in_loop, scev_const_prop): Ditto.
+ * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
+ * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
+ Ditto.
+ * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
+ Ditto.
+ * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
+ slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
+ slpeel_make_loop_iterate_ntimes,
+ slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
+ slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
+ Ditto.
+ * tree-if-conv.c (if_convertible_loop_p): Ditto.
+ * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
+ vect_analyze_loop_form): Ditto.
+ * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
+ can_convert_to_perfect_nest, perfect_nestify): Ditto.
+ * tree-vect-transform.c (vect_create_epilog_for_reduction,
+ vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
+ vect_transform_loop): Ditto.
+ * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
+ (single_exit, set_single_exit): New functions.
+ * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
+ (single_exit, set_single_exit): Declare.
+ * doc/loop.texi: Undocument single_exit field. Document single_exit
+ accessor function.
+
+2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/29902
+ * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
+ any involved ssa name appears in abnormal phi node.
+
+2006-11-21 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
+ (xtensa_const_ok_for_letter_p): Delete.
+ (xtensa_extra_constraint): Delete.
+ (override_options): Delete xtensa_char_to_class initialization.
+ * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
+ (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
+ (EXTRA_CONSTRAINT): Delete.
+ * config/xtensa/xtensa.md: Include constraints.md.
+ (call_internal): Combine alternatives.
+ (call_value_internal): Likewise, and remove invalid constraints.
+ * config/xtensa/constraints.md: New file.
+ * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
+ (xtensa_extra_constraint): Delete.
+ * doc/md.texi (Machine Constraints): Refer to constraints.md for
+ Xtensa constraints.
+
+2006-11-21 Janis Johnson <janis187@us.ibm.com>
+
+ * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
+ of conversion that doesn't fit.
+
+ * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
+ * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
+ DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
+
+ * config/dfp-bit.c (dfp_binary_func): Fix typedef.
+
+2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
+
+ * c-common.h (enum rid): Add RID_STATIC_ASSERT.
+
+2006-11-21 Richard Guenther <rguenther@suse.de>
+
+ * tree-vectorizer.h (NUM_PATTERNS): Increase.
+ * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
+ vect_recog_pow_pattern.
+ (vect_recog_pow_pattern): New function.
+
+2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.opt (mstack-check-l1): New.
+ * doc/invoke.texi (Blackfin Options): Document it.
+ * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
+ stack bounds in L1 memory if the new option is enabled.
+ (override_options): Don't allow combinations of -fstack-limit and
+ -mstack-check-l1.
+ (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
+ dead code.
+
+ * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
+ regs for DImode.
+ (bfin_register_move_cost): Bump costs if trying to move plain
+ integer values through accumulators.
+
+2006-11-21 Ben Elliston <bje@au.ibm.com>
+
+ * config/spu/spu.c (spu_expand_vector_init): Initialise x.
+
+2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
+ Russell Olsen <Russell_Olsen@playstation.sony.com>
+ Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
+ Yukishige Shibata <shibata@rd.scei.sony.co.jp>
+ Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
+ Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
+ Andrew Pinski <Andrew_Pinski@playstation.sony.com>
+
+ * config.gcc: Add target for SPU.
+ * config/spu/constraints.md: New file.
+ * config/spu/crt0.c: New file.
+ * config/spu/crtend.c: New file.
+ * config/spu/crti.asm: New file.
+ * config/spu/crtn.asm: New file.
+ * config/spu/float_unsdidf.c: New file.
+ * config/spu/float_unssidf.c: New file.
+ * config/spu/predicates.md: New file.
+ * config/spu/spu-builtins.def: New file.
+ * config/spu/spu-builtins.h: New file.
+ * config/spu/spu-builtins.md: New file.
+ * config/spu/spu-c.c: New file.
+ * config/spu/spu-elf.h: New file.
+ * config/spu/spu-modes.def: New file.
+ * config/spu/spu-protos.h: New file.
+ * config/spu/spu.c: New file.
+ * config/spu/spu.h: New file.
+ * config/spu/spu.md: New file.
+ * config/spu/spu.opt: New file.
+ * config/spu/spu_internals.h: New file.
+ * config/spu/spu_intrinsics.h: New file.
+ * config/spu/spu_mfcio.h: New file.
+ * config/spu/t-spu-elf: New file.
+ * config/spu/vec_types.h: New file.
+ * config/spu/vmx2spu.h: New file.
+ * doc/contrib.texi: Document SPU contributor.
+ * doc/extend.texi: Document SPU extensions.
+ * doc/invoke.texi: Document SPU options.
+ * doc/md.texi: Document SPU constraints.
+
+2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
+ of the loop.
+ * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
+ Removed.
+ (flow_loop_dump): Do not dump loop level.
+ (flow_loops_find): Do not call flow_loops_level_compute.
+ * cfgloop.h (struct loop): Remove level field.
+
+2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
+ hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
+ Use vector of edges instead of array.
+ * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
+ estimate_numbers_of_iterations_loop): Ditto.
+ * predict.c (predict_loops): Ditto.
+ * loop-unroll.c (analyze_insns_in_loop): Ditto.
+ * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
+ edge vectors.
+ * basic-block.h: Declare heap allocation for edge vectors.
+ * tree-outof-ssa.c: Ditto.
+ * cfgloop.c (get_loop_exit_edges): Return vector of edges.
+ * cfgloop.h (get_loop_exit_edges): Declaration changed.
+
+2006-11-20 Zack Weinberg <zackw@panix.com>
+
+ * gengtype.c (process_gc_options): Remove unnecessary forward decl.
+ Add another out parameter, "skip".
+ (set_gc_used_type): Adjust calls to process_gc_options. If a field
+ is tagged "skip", do not mark its type used.
+
+2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR tree-opt/25500
+ * tree-sra.c (single_scalar_field_in_record_p): New function.
+ (decide_block_copy): Use it.
+
+2006-11-20 David Daney <ddaney@avtrex.com>
+
+ * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
+ PC to point to following instruction.
+
+2006-11-20 Anatoly Sokolov <aesok@post.ru>
+
+ PR target/18553
+ PR target/29449
+ * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
+
+ * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
+
+2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
+
+ * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
+ Add sh/superh.h to tm_file.
+
+2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
+ Mark Mitchell <mark@codesourcery.com>
+
+ * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
+ gcc_exec_prefix.
+ (cpp_relocated): New function.
+ * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
+ and cpp_relocated.
+ * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
+ * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
+ replace configured prefix with gcc_exec_prefix.
+
+2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
+ bfin_legitimate_constant_p.
+ * config/bfin/bfin.md (movsi expander): Check return value of
+ expand_mvoe.
+ * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
+ (expand_move): Adjust prototype.
+ * config/bfin/bfin.c (expand_move): Now returns bool. Handle
+ invalid constants specially.
+ (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
+ functions.
+ (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
+
+ * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
+ sibcall_value_symbol): Allow these patterns if
+ TARGET_LEAF_ID_SHARED_LIBRARY.
+ * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
+ (override_options): Turn on id shared library flags if -msep-data,
+ but disallow the combination of these options on the command line.
+ * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
+ MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
+ (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
+ -mid-shared-library.
+ (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
+ * doc/invoke.texi (Blackfin Options): Document new switches.
+
+ * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
+ edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
+
+ * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
+ inflate costs for addresses with an out-of-bounds address.
+
+2006-11-19 Andrew Pinski <pinskia@gmail.com>
+
+ PR rtl-opt/29879
+ * fwprop.c (loops): Remove.
+ (forward_propagate_into): Use current_loops instead of
+ loops.
+ (fwprop_init): Call loop_optimizer_init instead of
+ flow_loops_find.
+ (fwprop_done): Call loop_optimizer_finalize instead of
+ flow_loops_free.
+ (fwprop): Use current_loops instead of loops.
+
+2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
+
+ PR c++/8586
+ * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
+
+2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/29114
+ * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
+ larger than BITS_PER_WORD.
+
+2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR fortran/27885
+ PR middle-end/28176
+ * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
+ to MAX_FIXED_MODE_SIZE.
+
+2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (integer_valued_real_p): Handle fmin/fmax.
+ (fold_builtin_fmin_fmax): New.
+ (fold_builtin_1): Use it.
+
+ * fold-const.c (fold_strip_sign_ops): Handle copysign.
+
+2006-11-18 Richard Guenther <rguenther@suse.de>
+
+ * config/i386/i386.c (ix86_builtins): New array for ix86
+ builtin function decls.
+ (def_builtin): New function.
+ (def_builtin_const): Likewise.
+ (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
+
+2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
+
+ * doc/invoke.texi (core2): Add item.
+
+ * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
+ macros.
+ (TARGET_CPU_CPP_BUILTINS): Add code for core2.
+ (TARGET_CPU_DEFAULT_generic): Change value.
+ (TARGET_CPU_DEFAULT_NAMES): Add core2.
+ (processor_type): Add new constant PROCESSOR_CORE2.
+
+ * config/i386/i386.md (cpu): Add core2.
+
+ * config/i386/i386.c (core2_cost): New initialized variable.
+ (m_CORE2): New macro.
+ (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
+ x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
+ x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
+ x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
+ x86_partial_reg_dependency, x86_memory_mismatch_stall,
+ x86_accumulate_outgoing_args, x86_prologue_using_move,
+ x86_epilogue_using_move, x86_arch_always_fancy_math_387,
+ x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
+ x86_use_incdec, x86_four_jump_limit, x86_schedule,
+ x86_pad_returns): Add m_CORE2.
+ (override_options): Add entries for Core2.
+ (ix86_issue_rate): Add case for Core2.
+
+2006-11-18 Aldy Hernandez <aldyh@redhat.com>
+
+ * doc/invoke.texi: Fix mno-isel typo.
+
+2006-11-18 Joseph Myers <joseph@codesourcery.com>
+
+ * config/rs6000/spe.md (movv4hi_internal): Add alternative for
+ easy vector constant loads.
+
+2006-11-18 Joseph Myers <joseph@codesourcery.com>
+
+ * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
+ * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
+ __NO_LWSYNC__ if TARGET_NO_LWSYNC.
+ * config/rs6000/sync.md (lwsync): Emit plain sync if
+ TARGET_NO_LWSYNC.
+
+2006-11-17 DJ Delorie <dj@redhat.com>
+
+ * reload1.c (reloads_unique_chain): New.
+ (reloads_conflict): Call it.
+
+2006-11-17 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/predicates.md (addsubx_operand): New.
+ * config/xtensa/xtensa.c (xtensa_emit_branch): New.
+ (xtensa_emit_bit_branch): New.
+ (xtensa_emit_movcc): New.
+ * config/xtensa/xtensa.md (any_minmax): New code macro.
+ (minmax): New code attribute.
+ (any_cond, any_scc, any_scc_sf): New code macros.
+ (*addx2, *addx4, *addx8): Delete.
+ (*addx): New.
+ (*subx2, *subx4, *subx8): Delete.
+ (*subx): New.
+ (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
+ (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
+ (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
+ (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
+ (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
+ (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
+ (movsfcc_internal0, movsfcc_internal1): Likewise.
+ (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
+ * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
+ (xtensa_emit_bit_branch): New.
+ (xtensa_emit_movcc): New.
+ (function_arg_boundary): Add missing prototype.
+
+2006-11-17 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.md (tstsi): Delete
+
+2006-11-17 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
+
+2006-11-17 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
+
+2006-11-17 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
+
+2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-vrp.c (execute_vrp): Do not update current_loops.
+ * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
+ * doc/loop.texi: Remove documentation for cancelled functions.
+ * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
+ (move_computations, determine_lsm): Use bsi_commit_edge_inserts
+ instead.
+ * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
+ (remove_path): Ensure that in delete_basic_blocks, the loops
+ are still allocated.
+ (add_loop): Work on valid loop structures.
+ (loopify): Modify call of add_loop.
+ (mfb_update_loops): Removed.
+ (create_preheader): Do not update loops explicitly.
+ (force_single_succ_latches, loop_version): Do not use
+ loop_split_edge_with.
+ (loop_split_edge_with): Removed.
+ * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
+ Do not use bsi_insert_on_edge_immediate_loop.
+ (split_loop_exit_edge, tree_unroll_loop): Do not use
+ loop_split_edge_with.
+ (bsi_insert_on_edge_immediate_loop): Removed.
+ * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
+ use loop_split_edge_with.
+ * cfghooks.c: Include cfgloop.h.
+ (verify_flow_info): Verify that loop_father is filled iff current_loops
+ are available.
+ (redirect_edge_and_branch_force, split_block, delete_basic_block,
+ split_edge, merge_blocks, make_forwarder_block, duplicate_block):
+ Update cfg.
+ * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
+ no loops.
+ * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
+ loop_split_edge_with.
+ (sms_schedule): Use current_loops.
+ * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
+ * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
+ current_loops.
+ (rtl_loop_init, rtl_loop_done): Do not set current_loops.
+ * tree-ssa-sink.c (execute_sink_code): Use current_loops.
+ * ifcvt.c (if_convert): Ditto.
+ * predict.c (predict_loops): Do not clear current_loops.
+ (tree_estimate_probability): Use current_loops.
+ (propagate_freq): Receive head of the region to propagate instead of
+ loop.
+ (estimate_loops_at_level): Do not use shared to_visit bitmap.
+ (estimate_loops): New function. Handle case current_loops == NULL.
+ (estimate_bb_frequencies): Do not allocate tovisit. Use
+ estimate_loops.
+ * tree-ssa-loop.c (current_loops): Removed.
+ (tree_loop_optimizer_init): Do not return loops.
+ (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
+ * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
+ slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
+ Do not update loops explicitly.
+ * function.h (struct function): Add x_current_loops field.
+ (current_loops): New macro.
+ * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
+ * loop-unroll.c (split_edge_and_insert): New function.
+ (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
+ use loop_split_edge_with.
+ * loop-doloop.c (add_test, doloop_modify): Ditto.
+ * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
+ * cfglayout.c (copy_bbs): Do not update loops explicitly.
+ * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
+ * tree-vect-transform.c (vect_transform_loop): Do not update loops
+ explicitly.
+ * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
+ (flow_loops_free): Do not free dfs_order and rc_order.
+ (flow_loops_find): Do not set dfs_order and rc_order in loops
+ structure. Do not call loops and flow info verification.
+ (add_bb_to_loop, remove_bb_from_loops): Check whether the block
+ already belongs to some loop.
+ * cfgloop.h (struct loops): Remove struct cfg.
+ (current_loops, loop_split_edge_with): Declaration removed.
+ (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
+ * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
+ Declaration removed.
+ * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
+ * basic-block.h (split_edge_and_insert): Declare.
+ * tree-cfg.c (remove_bb): Do not update loops explicitly.
+
+2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/29801
+ * tree-ssa-ccp.c (get_symbol_constant_value): New function.
+ (get_default_value): Use get_symbol_constant_value.
+ (set_lattice_value): ICE when the value of the constant is
+ changed.
+ (visit_assignment): Ignore VDEFs of read-only variables.
+
+2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
+ formating.
+ (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
+ vect_gen_niters_for_prolog_loop): Fold the emited expressions.
+
+2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
+ select subvars of var.
+
+2006-11-17 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/29584
+ * tree-ssa-forwprop.c (simplify_switch_expr): Don't
+ optimize if DEF doesn't have integral type.
+
+2006-11-16 Mike Stump <mrs@apple.com>
+
+ * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
+ pre-darwin9 system, unless the user asks for it directly.
+ (PREFERRED_DEBUGGING_TYPE): Likewise.
+ * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
+ * config.gcc: Add suppport for darwin9.h.
+ * config/darwin9.h: Add.
+ * doc/install.texi (Specific): Clarify darwin documentation.
+
+2006-11-16 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
+ optimizing for size.
+
+2006-11-16 Mike Stump <mrs@apple.com>
+
+ * Makefile.in (targhooks.o): Add $(OPTABS_H).
+
+2006-11-16 Dirk Mueller <dmueller@suse.de>
+
+ * tree-vrp.c (get_value_range): Use XCNEW instead
+ of XNEW and memset.
+ (insert_range_assertions): Use XCNEWVEC instead
+ of XNEWVEC and memset.
+ (vrp_initialize): Same.
+ (vrp_finalize): Same.
+ * tree-ssa-ccp.c (ccp_initialize): Same.
+ * predict.c (tree_bb_level_predictions): Same.
+ * calls.c (expand_call): Same.
+ * tree-ssa-copy.c (init_copy_prop): Same.
+ (fini_copy_prop): Same.
+ * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
+ of GGC_NEW and memset.
+
+2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR middle-end/26306
+ * gimplify.c (gimplify_expr): Only force a load for references to
+ non-BLKmode volatile values.
+ * doc/implement-c.texi (Qualifiers implementation): Document the
+ interpretation of what a volatile access is.
+ * doc/extend.texi (C++ Extensions): Rework same documentation.
+
+2006-11-16 Joseph Myers <joseph@codesourcery.com>
+
+ * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
+ memory operand.
+
+2006-11-16 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
+ Thumb.
+ (arm_neg_abssi2): Renamed from neg_abssi2.
+ (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
+
+2006-11-16 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
+ number of arguments passed to local functions in SSE registers is 3.
+
+ * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
+ number of arguments passed in SSE registers to 3.
+
+2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
+
+ PR target/29201
+ * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
+ bb to ...
+ (get_last_bb_insn): ... new global function.
+ (basic_block.h): Declare it.
+ * haifa-sched.c (create_recovery_block): Use it.
+
+2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR middle-end/29862
+ * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
+
+2006-11-15 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
+ _Unwind_GetTextRelBase): Move from here ...
+ * config/arm/pr-support.c (_Unwind_GetDataRelBase,
+ _Unwind_GetTextRelBase): ... To here.
+
+2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
+ addresses we generate for testing are aligned.
+
+2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR tree-opt/29788
+ * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
+ to what is the const decl is a place holder for.
+
+2006-11-15 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.opt: New target option -mx87regparm.
+
+ * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
+ and float_in_x87 variables. mmx_words, sse_words: Remove.
+ (X87_REGPARM_MAX): Define.
+
+ * config/i386/i386.c (override_options): Error out for
+ -mx87regparm but no 80387 support.
+ (ix86_attribute_table): Add x87regparm.
+ (ix86_handle_cconv_attribute): Update comments for x87regparm.
+ (ix86_comp_type_attributes): Check for mismatched x87regparm types.
+ (ix86_function_x87regparm): New function.
+ (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
+ point registers.
+ (init_cumulative_args): Initialize x87_nregs and float_in_x87
+ variables.
+ (function_arg_advance): Process x87_nregs and x87_regno when
+ floating point argument is to be passed in 80387 register.
+ (function_arg): Pass XFmode arguments in 80387 registers for local
+ functions. Pass SFmode and DFmode arguments to local functions
+ in 80387 registers when flag_unsafe_math_optimizations is set.
+
+ * reg-stack.c (convert_regs_entry): Disable NaN load for
+ stack registers that are used for argument passing.
+
+ * doc/extend.texi: Document x87regparm function attribute.
+ * doc/invoke.texi: Document -mx87regparm.
+
+2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
+ * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
+ arg MODE; all callers changed. Use it to determine validity per
+ machine mode instead of using Pmode for all memory references.
+ (get_address_cost): Likewise add and use new arg MEM_MODE.
+
+2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
+ J"orn Rennecke <joern.rennecke@st.com>
+
+ * combine.c (likely_spilled_retval_1): Fix masking operation.
+ (likely_spilled_retval_p): Use proper pattern for call to
+ likely_spilled_retval_1.
+
+2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
+
+ * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
+ that tests for CONSTANT_POOL_ADDRESS_P.
+
+2006-11-15 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/29581
+ * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
+ REPLACEMENTS, FIRSTBSI arguments. If initial condition or
+ type is different between Y and USE, create a temporary
+ variable, initialize it at the beginning of the body bb
+ and use it as replacement instead of Y.
+
+2006-11-15 Paolo Bonzini <bonzini@gnu.org>
+
+ PR middle-end/29753
+ * gimplify.c (fold_indirect_ref_rhs): Use
+ STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
+
+2006-11-14 Richard Earnshaw <rearnsha@arm.com>
+
+ * expmed.c (emit_store_flag_1): New function.
+ (emit_store_flag): Call it. If we can't find a suitable scc insn,
+ try a cstore insn.
+ * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
+ Use do_compare_rtx_and_jump.
+ * arm.h (BRANCH_COST): Increase to 2 on Thumb.
+ * arm.md (cstoresi4): New define_expand.
+ (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
+ (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
+ (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
+
+2006-11-14 Caroline Tice <ctice@apple.com>
+
+ * dwarf2out.c (debug_pubtypes_section): New static global variable.
+ (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
+ this type.
+ (pubname_table): Redefine as a vector.
+ (pubtype_table): New static global variable, defined as a vector.
+ (pubname_table_allocated): Remove static global variable.
+ (pubname_table_in_use): Remove static global variable.
+ (PUBNAME_TABLE_INCREMENT): Remove constant.
+ (size_of_pubnames): Add parameter to deal with either pubnames or
+ pubtypes, and change code to deal with table being a vector.
+ (add_pubname): Change to deal with table being a vector.
+ (add_pubtype): New function.
+ (output_pubnames): Add parameter to deal with either pubnames or
+ pubtypes, and change code to deal with table being a vector.
+ (gen_array_type_die): Add call to add_pubtype.
+ (gen_enumeration_type_die): Add call to add_pubtype.
+ (gen_struct_or_union_type_die): Add call to add_pubtype.
+ (gen_subroutine_type_die): Add call to add_pubtype.
+ (gen_typedef_die): Add call to add_pubtype.
+ (dwarf2out_init): Add code to initialize pubname_table and
+ pubtype_table vectors; also initialize debug_pubtypes_section.
+ (prune_unused_types): Change to deal with pubnames being a vector.
+ (dwarf2out_finish): Change to deal with pubnames being a vector; add
+ pubnames table to call to output_pubnames; Add code to output pubtypes
+ table if DEBUG_PUBTYPES_SECTION is defined.
+ * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
+ debugnames.
+ * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
+
+2006-11-14 Joseph Myers <joseph@codesourcery.com>
+
+ * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
+ iwmmxt_nregs if TARGET_IWMMXT_ABI.
+ * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
+ movv2si_internal): Support moves between core registers.
+
+2006-11-14 Eric Christopher <echristo@apple.com>
+
+ * configure: Regenerate with autoconf 2.59.
+
+2006-11-14 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/27755
+
+ * tree-ssa-pre.c: Update comments.
+ (bb_bitmap_sets): Add pa_in and deferred member.
+ (BB_DEFERRED): New macro.
+ (maximal_set): New variable.
+ (pre_stats): Add pa_insert member.
+ (bitmap_set_and): Short circuit orig == dest.
+ (bitmap_set_subtract_values): New function.
+ (bitmap_set_contains_expr): Ditto.
+ (translate_vuses_through_block): Add phiblock argument.
+ (dependent_clean): New function.
+ (compute_antic_aux): Update for maximal_set changes.
+ (compute_partial_antic_aux): New function.
+ (compute_antic): Handle partial anticipation.
+ (do_partial_partial_insertion): New function.
+ (insert_aux): Handle partial anticipation.
+ (add_to_sets): Add to maximal set.
+ (compute_avail): Ditto.
+ (init_pre): Initialize maximal_set.
+ (execute_pre): Do partial anticipation if -O3+.
+
+2006-11-14 Paolo Bonzini <bonzini@gnu.org>
+
+ PR rtl-optimization/29798
+
+ * fwprop.c (use_killed_between): Check that DEF_INSN dominates
+ TARGET_INSN before any other check.
+ (fwprop_init): Always calculate dominators.
+ (fwprop_done): Always free them.
+
+2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
+ COND_EXPR.
+
+2006-11-13 DJ Delorie <dj@redhat.com>
+
+ * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
+ temporary for intermediates.
+
+2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
+ (sh_optimize_target_register_callee_saved): #if 0 the code
+ using NOTE_INSN_LOOP_{BEG,END}.
+
+2006-11-13 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (optimize_bit_field_compare): Recursively call
+ fold when simplifying non-constant comparisons between bit-fields.
+
+2006-11-13 Jakub Jelinek <jakub@redhat.com>
+
+ * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
+ test.
+ * configure: Rebuilt.
+
+2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * config/rs6000/cell.md: New file.
+ * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
+ variable.
+ (ppccell_cost): New cost matrix.
+ (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
+ (rs6000_override_options): Set rs6000_always_hint to false
+ for cell. Also align functions/lables/loops to 8byte
+ for the Cell. Use PROCESSOR_CELL.
+ (rs6000_emit_epilogue): Rename using_mfcr_multiple to
+ using_mtcr_multiple.
+ (rs6000_variable_issue): If the insn is a nonpipelined instruction
+ on the Cell, return 0.
+ (rs6000_adjust_cost): Add Cell cost adjustments.
+ (is_microcoded_insn): Return true for Cell microcoded
+ instructions.
+ (is_nonpipeline_insn): New function.
+ (rs6000_issue_rate): Add PROCESSOR_CELL.
+ (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
+ instructions.
+ (rs6000_use_sched_lookahead_guard): New function.
+ (rs6000_sched_reorder): Reorder the ready list, if the second
+ to last ready insn is a nonepipeline insn on the Cell.
+ * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
+ (ASM_CPU_SPEC): Add Cell.
+ * config/rs6000/rs6000.md (cpu): Add Cell.
+ (cell_micro): New Attr.
+ Include cell.md
+
+2006-11-13 Jakub Jelinek <jakub@redhat.com>
+
+ * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
+ style versions.
+ * configure: Rebuilt.
+
+2006-11-13 Richard Guenther <rguenther@suse.de>
+
+ * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
+ return value.
+ (ix86_expand_lfloorceil): Likewise.
+ (ix86_expand_rint): Likewise.
+ (ix86_expand_floorceildf_32): Likewise.
+ (ix86_expand_floorceil): Likewise.
+ (ix86_expand_rounddf_32): Likewise.
+ (ix86_expand_truncdf_32): Likewise.
+ (ix86_expand_round): Likewise.
+
+2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
+ Mark Mitchell <mark@codesourcery.com>
+
+ * gcc.c: Organize search path variables into $prefix relative,
+ and well-known native. Add comments.
+ (add_sysrooted_prefix): Add comment.
+ (process_command): If !gcc_exec_prefix add $prefix based paths.
+ If *cross_compile == '0', add native well-known paths.
+ Assert tooldir_base_prefix is always relative.
+ (main): If print_search_dirs, and if gcc_exec_prefix is set,
+ use this value for 'install:' path.
+ * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
+
+2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c: Fix a typo in comment.
+
+2006-11-13 Michael Matz <matz@suse.de>
+
+ * genemit.c (gen_expand): Allocate enough memory.
+
+2006-11-13 Joseph Myers <joseph@codesourcery.com>
+
+ * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
+ __GXX_TYPEINFO_EQUALITY_INLINE but not
+ __GXX_MERGED_TYPEINFO_NAMES.
+ * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
+ __GXX_MERGED_TYPEINFO_NAMES.
+ * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
+ __GXX_TYPEINFO_EQUALITY_INLINE.
+
+2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
+ Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/29680
+ * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
+ PR 14784.
+
+2006-11-12 Jason Merrill <jason@redhat.com>
+ Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR middle-end/28915
+ * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
+ vector ctors.
+ * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
+ vector ctors.
+ * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
+ * tree.c (build_vector): Handle non-_CST elements.
+
2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
* genemit.c (gen_insn): Call gen_exp with a non-null used