+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