+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
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