+2007-11-26 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree.c (type_hash_add): Don't violate strict aliasing rules.
+
+2007-11-26 Alexandre Oliva <aoliva@redhat.com>
+
+ PR c/27898
+ * c-typeck.c (tagged_types_tu_compatible_p): Enable exact
+ matches between anonymous union fields.
+
+2007-11-26 Alexandre Oliva <aoliva@redhat.com>, Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-live.c (remove_unused_scope_block_p): Drop
+ declarations and blocks only after inlining. Check that
+ non-empty blocks are not dropped.
+ * tree-inline.c (expand_call_inline): Check that functions are
+ not inlined too late.
+
+2007-11-26 Ben Elliston <bje@au.ibm.com>
+
+ * unwind-dw2-fde.c: Fix comment typo.
+ * unwind-generic.h: Likewise, fix comment typos.
+
+2007-11-25 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * tree-sra.c (scalarize_use): Adjust the vpos argument to
+ sra_explode_bitfield_assignment in cases where the type is
+ wider than the bitfield.
+
+2007-11-25 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (struct tree_block): Move locus member next to
+ flags.
+ * c-decl.c (SCOPE_LIST_APPEND): Use BLOCK_CHAIN.
+ (SCOPE_LIST_CONCAT): Likewise.
+ (pop_scope): Likewise.
+ * function.c (instantiate_decls_1): Likewise.
+ (setjmp_vars_warning): Likewise.
+ * emit-rtl.c (set_used_decls): Likewise.
+ * tree-inline.c (add_lexical_block): Likewise.
+
+2007-11-24 Hans-Peter Nilsson <hp@axis.com>
+
+ * rtlanal.c (label_is_jump_target_p): Return true for a matching
+ REG_LABEL_TARGET.
+ * reorg.c (fill_slots_from_thread): Correct last change to use
+ NULL_RTX, not NULL. Outside of REG_NOTES loop, increase and
+ decrease LABEL_NUSES for JUMP_LABEL (trial), not XEXP (note, 0).
+ * jump.c (mark_jump_label_1): Add comment for last change
+ regarding JUMP_LABEL setting.
+ * gcse.c (add_label_notes): Remove conditional that the label is
+ mentioned in insn before adding regnote.
+ * sched-rgn.c (is_cfg_nonregular): Don't return 1 for a
+ single_set insn only feeding a label to a jump through a
+ register that dies there.
+
+2007-11-23 Dirk Mueller <dmueller@suse.de>
+ Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34197
+ * tree-vrp.c (check_array_ref): Move check for valid location..
+ (check_array_bounds) here. Use EXPR_HAS_LOCATION().
+
+2007-11-23 Hans-Peter Nilsson <hp@axis.com>
+
+ * reload.c (find_reloads_address_1) <autoincdec cases>:
+ Call REG_OK_FOR_CONTEXT with the autoincdec code, not
+ outer_code.
+
+2007-11-23 Richard Guenther <rguenther@suse.de>
+ Michael Matz <matz@suse.de>
+
+ PR tree-optimization/34176
+ * alloc-pool.h (empty_alloc_pool): Declare.
+ * alloc-pool.c (empty_alloc_pool): New function.
+ * tree-ssa-sccvn.c (vn_reference_lookup): Also lookup from the
+ valid table if a lookup from the optimistic table failed.
+ (vn_unary_op_lookup): Likewise.
+ (vn_binary_op_lookup): Likewise.
+ (vn_phi_lookup): Likewise.
+ (process_scc): Clear optimistic tables before every iteration.
+
+2007-11-23 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-copy.c (may_propagate_copy): Remove redundant
+ checks.
+ (merge_alias_info): Do verification only if checking is
+ enabled. Merge flow-sensitive alias information in simple
+ cases.
+ * tree-ssa-operands.c (get_addr_dereference_operands): Also
+ complain about missing NMTs.
+
+2007-11-23 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/34198
+ * c-common.c (conversion_warning): For INTEGER_TYPE to
+ INTEGER_TYPE conversions call get_narrower on expr to avoid
+ spurious warnings from binop shortening or when the implicit
+ conversion can't change the value.
+
+2007-11-22 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/14050
+ * c-decl.c (set_array_declarator_inner): Don't give error for
+ static or type qualifiers in abstract declarator. Remove
+ abstract_p parameter.
+ * c-tree.h (set_array_declarator_inner): Update prototype.
+ * c-parser.c (c_parser_direct_declarator_inner): Update call to
+ set_array_declarator_inner.
+ * doc/standards.texi: Update for C99 TC3.
+
+2007-11-22 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/mmix/mmix.c (mmix_encode_section_info): Remove duplicate
+ line in my edit of the last change.
+
+2007-11-22 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/33947
+ * config/arm/arm.c (arm_init_tls_builtins): Set TREE_NOTHROW
+ and TREE_READONLY on the fn decl rather than passing a chain
+ of attributes.
+
+2007-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.md (divsi_inv_m3): Handle zero dividend
+ specially.
+
+2007-11-22 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Change checking
+ of ix86_arch and ix86_tune into a switch statement.
+ (enum processor_type): Default PROCESSOR_I386 to 0.
+ * config/i386/i386.c (ix86_decompose_address): Use TARGET_K6 instead
+ of "ix86_tune == PROCESSOR_K6".
+ (ia32_multipass_dfa_lookahead): Change checking of ix86_tune into
+ a switch statement.
+
+2007-11-22 Tom Tromey <tromey@redhat.com>
+
+ * config/mmix/mmix.c (mmix_encode_section_info): Use alloca to
+ avoid writing into string allocated by ggc_alloc_string.
+
+2007-11-21 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/34155
+ * config/sh/sh.md (binary_sf_op): Remove.
+ (binary_sf_op0, binary_sf_op1): New define_insn_and_split.
+ * config/sh/sh.c (sh_expand_binop_v2sf): Use gen_binary_sf_op0
+ and gen_binary_sf_op1.
+
+2007-11-21 Hans-Peter Nilsson <hp@axis.com>
+
+ * regclass.c (init_reg_autoinc): Fix typo preventing test of
+ secondary output reload when setting forbidden_inc_dec_class.
+
+2007-11-21 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34148
+ * tree-ssa-structalias.c (create_variable_info_for): Do not use
+ field-sensitive PTA for single-element structures.
+ * tree-ssa-alias.c (create_overlap_variables_for): Do not create
+ SFTs for single-element structures.
+
+2007-11-20 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34154
+ * gimplify.c (gimplify_switch_expr): Use tree_int_cst_lt instead
+ of the signed INT_CST_LT.
+ * stmt.c (expand_case): Likewise.
+ (estimate_case_costs): Likewise.
+
+2007-11-20 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ * read-rtl.c (fatal_expected_char): Print EOF as text rather that
+ its binary representation.
+
+2007-11-20 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-operands.c (add_virtual_operand): Consistently prune
+ accesses.
+
+2007-11-20 Thiemo Seufer <ths@mips.com>
+
+ * config/mips/mips.c (mips_file_start): Add support for
+ flagging 32-bit code with -mfp64 floating-point.
+
+2007-11-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/34146
+ * c-gimplify.c (optimize_compound_literals_in_ctor): New function.
+ (c_gimplify_expr): Use it.
+
+2007-11-20 Ben Elliston <bje@au.ibm.com>
+
+ * config/spu/spu_mfcio.h: Fix typo.
+
+2007-11-20 Ben Elliston <bje@au.ibm.com>
+
+ * unwind.inc: Comment that unwind-sjlj.c includes this file.
+
+2007-11-20 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+ Ben Elliston <bje@au.ibm.com>
+
+ * config/spu/mfc_tag_release.c: New file.
+ * config/spu/mfc_multi_tag_release.c: Likewise.
+ * config/spu/mfc_multi_tag_reserve.c: Likewise.
+ * config/spu/mfc_tag_release.c: Likewise.
+ * config/spu/mfc_tag_reserve.c: Likewise.
+ * config/spu/mfc_tag_table.c: Likewise.
+ * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Compile them.
+ (TARGET_LIBGCC2_CFLAGS): Define __IN_LIBGCC2.
+ * config/spu/spu_mfcio.h: Avoid <stdint.h>.
+ (uint64_t): Typedef if __IN_LIBGCC2 is defined.
+ (MFC_TAG_INVALID, MFC_TAG_VALID): New macros.
+ (mfc_tag_reserve, mfc_tag_release, mfc_multi_tag_reserve,
+ mfc_multi_tag_release): Likewise.
+ (__mfc_tag_reserve, __mfc_tag_release, __mfc_multi_tag_reserve,
+ __mfc_multi_tag_release): Declare.
+
+2007-11-19 Jason Merrill <jason@redhat.com>
+
+ PR debug/28834, debug/29436, c/32326
+ * tree.c (build_type_attribute_qual_variant): Refuse to make
+ a distinct copy of a struct/enum type. Use build_distinct_type_copy.
+ * doc/extend.texi (Type Attributes): Don't encourage people to add
+ attributes to struct/enum types in a typedef. Fix
+ transparent_union example.
+
+ * tree-inline.c (remap_type_1): Remove code that's redundant with
+ remap_type.
+ (build_duplicate_type): Set id.copy_decl.
+ * c-common.c (handle_transparent_union_attribute): Simplify logic.
+
+2007-11-19 Peter Bergner <bergner@vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (invalid_e500_subreg,
+ rs6000_legitimate_offset_address_p, legitimate_lo_sum_address_p,
+ rs6000_legitimize_address, rs6000_legitimize_reload_address,
+ rs6000_legitimate_address, function_arg_advance,
+ spe_build_register_parallel, rs6000_spe_function_arg,
+ rs6000_split_multireg_move, spe_func_has_64bit_regs_p,
+ emit_frame_save, gen_frame_mem_offset, rs6000_function_value,
+ rs6000_libcall_value, rs6000_dwarf_register_span): Handle DDmode and
+ TDmode similarly to DFmode and TFmode.
+ * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
+ DATA_ALIGNMENT, CLASS_MAX_NREGS, CANNOT_CHANGE_MODE_CLASS): Likewise.
+
+2007-11-19 Eric Botcazou <ebotcazou@adacore.com>
+
+ * stor-layout.c (lang_adjust_rli): Delete.
+ (set_lang_adjust_rli): Likewise.
+ (layout_type): Do not call lang_adjust_rli hook.
+ * tree.h (set_lang_adjust_rli): Delete.
+
+2007-11-19 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.c (must_save_p): New function, mostly broken out of
+ n_dregs_to_save and n_pregs_to_save.
+ (n_pregs_to_save, n_dregs_to_save): Use it. New argument CONSECUTIVE;
+ all callers changed.
+ (expand_prologue_reg_save, expand_epilogue_reg_restore): Enhance to be
+ able to save single D/P registers that aren't saved by the push/pop
+ multiple insns.
+
+2007-11-19 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34099
+ * tree-ssa-ccp.c (likely_value): Exclude all but PLUS_EXPR,
+ MINUS_EXPR and POINTER_PLUS_EXPR from handling as UNDEFINED
+ if only one operand is undefined.
+
+2007-11-19 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR tree-optimization/34036
+ * opts.c (set_fast_math_flags): Do not set flags in common
+ with set_unsafe_math_optimizations_flags, invoke it directly.
+ (set_unsafe_math_optimizations_flags): Unset flag_trapping_math
+ and flag_signed_zeros.
+ * toplev.c (process_options): Force flag_associative_math to 0 and
+ warn, if it is set and either flag_trapping_math or flag_signed_zeros
+ is set too.
+ * doc/invoke.texi (Optimize Options): Document the new behavior
+ of -funsafe-math-optimizations, that -fassociative-math requires
+ both -fno-signed-zeros and -fno-trapping-math and make it clear
+ that -fno-trapping-math requires -fno-signaling-nans. Refactor
+ documentation of -ffast-math.
+
+2007-11-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/34132
+ * gcse.c (try_replace_reg): Avoid rtx sharing between REG_EQUAL note
+ and insn.
+
+ PR middle-end/33335
+ * optabs.h (optab_table): Change type to struct optab from optab.
+ (convert_optab_table): Similarly.
+ Adjust all _optab macros to expand to addresses of optab_table
+ resp. convert_optab_table elements rather than the values of the
+ elements.
+ * optabs.c (optab_table): Change typype to struct optab from optab.
+ If compiled by recent GCC, initialize all the insn_code fields in
+ the array using designated range initializers.
+ (convert_optab_table): Similarly.
+ (convert_optab_libfunc, optab_libfunc, set_optab_libfunc,
+ set_conv_libfunc): Into libfunc_entry's optab field store index within
+ optab_table resp. convert_optab_table array instead of difference
+ between two separately malloced addresses.
+ (new_optab): Add op argument, don't return anything. Initialize
+ just the insn_code field in handlers array and only when needed.
+ (init_optab, init_optabv): Add op argument, don't return anything.
+ Adjust new_optab caller.
+ (new_convert_optab): Removed.
+ (init_convert_optab): Add op argument, don't return anything, don't
+ call new_convert_optab. If needed, initialize insn_code field in
+ handlers array.
+ (init_optabs): Adjust init_optab, init_optabv and init_convert_optab
+ callers.
+ (debug_optab_libfuncs): Adjust uses of optab_table and
+ convert_optab_table arrays.
+
+2007-11-18 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34127
+ * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
+ Make code match up the comments, require compatibility of the
+ pointed-to types.
+
+2007-11-17 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34130
+ * fold-const.c (extract_muldiv_1): Do not move negative
+ constants inside ABS_EXPR.
+
+2007-11-16 Ian Lance Taylor <iant@google.com>
+
+ * collect2.c (dump_file): If a demangled symbol is followed by a
+ space, make sure we output at least one space.
+
+2007-11-16 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34030
+ * fold-const.c (fold_binary): Use correct types for folding
+ 1 << X & Y to Y >> X & 1.
+
+2007-11-16 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/33870
+ * tree.h (struct tree_memory_tag): Add base_for_components flag.
+ (struct tree_struct_field_tag): Remove nesting_level field.
+ (SFT_NESTING_LEVEL): Remove.
+ (SFT_BASE_FOR_COMPONENTS_P): Add.
+ * tree-flow.h (struct fieldoff): Remove nesting_level field. Add
+ base_for_components flag.
+ (push_fields_onto_fieldstack): Remove nesting_level parameter.
+ * tree-ssa-alias.c (create_sft): Likewise. Add base_for_components
+ parameter.
+ (create_overlap_variables_for): Deal with it.
+ * tree-dfa.c (dump_subvars_for): Likewise.
+ (dump_variable): Likewise.
+ * tree-ssa-structalias.c (push_fields_onto_fieldstack): Likewise.
+ Set base_for_components for first elements of sub-structures.
+ (create_variable_info_for): Handle base_for_components.
+ (set_uids_in_ptset): Always set SFT_UNPARTITIONABLE_P for
+ pointed-to SFTs if SFT_BASE_FOR_COMPONENTS_P is set.
+ * tree-ssa-operands.c (ref_nesting_level): Remove.
+ (add_vars_for_offset): Remove full_ref parameter, always add
+ the offset of the pointed-to SFT.
+ (add_virtual_operand): Adjust for changed signature of
+ add_vars_for_offset.
+
+2007-11-16 Sa Liu <saliu@de.ibm.com>
+
+ * config/spu/spu.md (floatunssidf2, floatunsdidf2): Inlined
+ floatunssidf2 and floatunsdidf2.
+
+2007-11-16 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34113
+ * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
+ Use correct conversion direction for checking type compatibility.
+
+2007-11-16 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34099
+ * tree-ssa-ccp.c (likely_value): Use a whitelist for operators
+ that produce UNDEFINED result if at least one of its operands
+ is UNDEFINED. By default the result is only UNDEFINED if all
+ operands are UNDEFINED.
+
+2007-11-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR driver/30460
+ * gcc.c (init_spec): Don't initialize asm_debug here...
+ (main): ... but here.
+
+2007-11-07 Tom Tromey <tromey@redhat.com>
+
+ * tree-ssa-structalias.c (ipa_pta_execute): Rename 'cfun' to
+ 'func'.
+ * tree-parloops.c (create_loop_fn): Use set_cfun.
+ * gengtype.c (open_base_files): Emit #undef cfun.
+ * ipa-struct-reorg.c (do_reorg_1): Use set_cfun.
+ * function.h (cfun): New define.
+ * function.c: Undefine cfun.
+
+2007-11-07 Eric B. Weddington <eweddington@cso.atmel.com>
+
+ * config/avr/avr.c (avr_mcu_types): Add attiny88.
+ * config/avr/avr.h (LINK_SPEC): Likewise.
+ (CRT_BINUTILS_SPECS): Likewsie.
+ * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
+
+2007-11-15 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/23848
+ * tree-ssa-ccp.c (optimize_stack_restore): New function.
+ (execute_fold_all_builtins): Call optimize_stack_restore for
+ BUILT_IN_STACK_RESTORE.
+
+2007-11-15 Paolo Bonzini <bonzini@gnu.org>
+
+ * fwprop.c (try_fwprop_subst): Skip profitability check for forward
+ propagation into an address; that's done in should_replace_address.
+
+2007-11-15 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * config/spu/spu-protos.h (legitimate_const): Remove prototype.
+ * config/spu/spu.c (legitimate_const): Remove.
+ (classify_immediate): Inline call to legitimate_const.
+ (spu_legitimate_address): Likewise. Allow SYMBOL_REF + CONST_INT
+ for any constant, not just -512 .. 511.
+
+2007-11-15 Sa Liu <saliu@de.ibm.com>
+
+ * config/spu/spu.c (spu_emit_branch_or_set): Remove PROCESSOR_CELL
+ condition from HONOR_NANS test.
+ * config/spu/spu.md (ceq_df): Always generate comparison code
+ inline, including checks for NaNs and infinities.
+ (cgt_df): Likewise.
+ (cgt_v2df): Likewise.
+ (cmpdf): Make this expander unconditional.
+
+2007-11-15 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-alias.c (create_overlap_variables_for): Make sure
+ to only create SFTs if we also create variable infos for PTA.
+ * tree-ssa-structalias.c (set_uids_in_ptset): Add all overlapping
+ SFTs.
+
+2007-11-15 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-structalias.c (set_uids_in_ptset): Use the pointed-to
+ type for TBAA pruning.
+ (find_what_p_points_to): Call set_uids_in_ptset with the original
+ pointer, not the decl of the solution we collapsed to.
+
+2007-11-14 David Daney <ddaney@avtrex.com>
+
+ * config/mips/linux-unwind.h (mips_fallback_frame_state): Use CFA
+ to find sigcontext.
+
+2007-11-14 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR target/33923
+ * config/ia64/ia64.h (CANNOT_CHANGE_MODE_CLASS): Forbid mode changes
+ for registers in BR_REGS class.
+
+2007-11-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/34088
+ * tree-ssa.c (delete_tree_ssa): Don't call fini_ssa_operands if
+ init_ssa_operands has not been called for cfun.
+
+2007-11-14 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR tree-optimization/34046
+ * cfg.c (update_bb_profile_for_threading): Avoid the division for the
+ scaling if the old probability is greater than the new base.
+
+2007-11-14 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Remove
+ unused edges after loop duplication.
+
+2007-11-14 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (TARGET_CPU_DEFAULT_*): Substitute with ...
+ (enum target_cpu_default): ... this enum.
+ (TARGET_CPU_DEFAULT_NAMES): Remove macro. Move initializer to ...
+ * config/i386/i386.c (override_options): ... here.
+ * config/i386/i386-interix.h (TARGET_CPU_DEFAULT): Use
+ TARGET_CPU_DEFAULT_i486.
+
+2007-11-14 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ * global.c (rest_of_handle_global_alloc): Fix comment typos.
+ * config/sh/sh.c (sh_rtx_costs): Likewise.
+ * ChangeLog: Likewise.
+
+2007-11-13 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-chrec.h (build_polynomial_chrec): RHS of a chrec
+ should not be of pointer type.
+
+2007-11-13 Michael Meissner <michael.meissner@amd.com>
+
+ * config/i386/i386.c (ix86_sse5_valid_op_p): Put type on separate
+ line.
+
+2007-11-13 Sterling Augustine <sterling@tensilica.com>
+ Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/unwind-dw2-xtensa.c: New.
+ * config/xtensa/unwind-dw2-xtensa.h: New.
+ * config/xtensa/xtensa.h (MUST_USE_SJLJ_EXCEPTIONS): Remove.
+ (DWARF2_UNWIND_INFO): Remove.
+ (DWARF_FRAME_REGISTERS): Define.
+ (EH_RETURN_DATA_REGNO): Define.
+ * config/xtensa/xtensa.md (UNSPECV_EH_RETURN): Define.
+ (eh_return): New.
+ * config/xtensa/t-xtensa (LIB2ADDEH): Define.
+
+2007-11-13 Jakub Jelinek <jakub@redhat.com>
+
+ * doc/invoke.texi: Fix description of -fsched-stalled-insns=0,
+ -fsched-stalled-insns.
+
+ PR tree-optimization/34063
+ * tree-chrec.c (chrec_evaluate): Put CHREC_LEFT based argument
+ as first chrec_fold_plus operand rather than second.
+
+2007-11-13 Diego Novillo <dnovillo@google.com>
+
+ PR tree-optimization/33870
+ * tree.h (strcut tree_memory_tag): add field unpartitionable.
+ remove field in_nested_struct.
+ (struct tree_struct_field_tag): add field nesting_level.
+ (sft_in_nested_struct): remove.
+ (sft_nesting_level): define.
+ (sft_unpartitionable_p): define.
+ * tree-ssa-alias.c (mem_sym_score): if mp->var is not
+ partitionable, return long_max.
+ (compute_memory_partitions): do not partition sfts marked
+ unpartitionable.
+ (create_sft): add argument nesting_level. set
+ sft_nesting_level with it. update all users.
+ (create_overlap_variables_for): show nesting level.
+ * tree-dfa.c (dump_subvars_for): likewise.
+ (dump_variable): likewise.
+ show whether the sft is partitionable or not.
+ * tree-flow.h (struct fieldoff): remove field
+ in_nested_struct.
+ add field nesting_level.
+ * tree-ssa-structalias.c (struct variable_info): remove
+ field in_nested_struct.
+ (push_fields_onto_fieldstack): add argument
+ nesting_level. update all users.
+ update documentation.
+ update pair->nesting_level with nesting_level.
+ make recursive calls with nesting_level + 1.
+ (set_uids_in_ptset): if an sft is added to the points-to
+ set, mark it as unpartitionable.
+ * tree-ssa-operands.c (ref_nesting_level): new.
+ (add_vars_for_offset): call it.
+ add argument full_ref. update
+ callers.
+ if var is inside a nested structure and the nesting level
+ of full_ref is lower than the nesting level of var,
+ adjust offset by the offset of var.
+
+2007-11-13 Victor Kaplansky <victork@il.ibm.com>
+
+ PR tree-optimization/32582
+ * Makefile.in (CRTSTUFF_CFLAGS): Add -fno-tree-vectorize
+
+2007-11-12 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * doc/extend.texi (dllimport): Document that pointers to dllimport'd
+ functions can be used as constant.
+
+2007-11-12 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR rtl-optimization/34035
+ * cse.c (cse_cfg_altered): New global variable.
+ (cse_jumps_altered): Make boolean.
+ (recorded_label_ref): Likewise.
+ (cse_insn): Adjust for above changes.
+ (cse_extended_basic_block): Likewise. Set cse_cfg_altered
+ if dead edges have been purged.
+ (cse_main): Change return value specification and adjust code.
+ (rest_of_handle_cse): Adjust for above change.
+ (rest_of_handle_cse2): Likewise.
+ * gcse.c (rest_of_handle_gcse): Likewise.
+
+2007-11-12 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
+ Michael Meissner <michael.meissner@amd.com>
+
+ * config/i386/i386.md (sse5_setcc<mode>): Use <ssemodefsuffix> to
+ get the appropriate suffix for the coms* instruction.
+ (sse5_pcmov_<mode>): Restrict operands of pcmov
+ for scalar case to be only xmm registers and not memory.
+
+ * config/i386/sse.md (sse5_pcmov_<mode>): Correct the operand
+ constraints to follow the mnemonics for the pcmov instruction
+
+2007-11-12 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR target/34042
+ * config/mips/mips.c (mips_return_fpr_single): New function.
+ (mips_function_value): Use it when returning single-field
+ aggregates in FPRs.
+ (mips_expand_call): Handle the PARALLELs created by
+ mips_return_fpr_single.
+
+2007-11-12 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34070
+ * fold-const.c (fold_binary): If testing for non-negative
+ operands with tree_expr_nonnegative_warnv_p make sure to
+ use op0 which has all (sign) conversions retained.
+
+2007-11-12 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34027
+ * fold-const.c (fold_binary): Fold n - (n / m) * m to n % m.
+ (fold_binary): Fold unsinged FLOOR_DIV_EXPR to TRUNC_DIV_EXPR.
+
+2007-11-12 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/33953
+ * tree-vect-transform.c (vectorizable_operation): In case of SLP,
+ allocate vec_oprnds1 according to the number of created vector
+ statements. In case of shift with scalar argument, store scalar operand
+ for every vector statement to be created for the SLP node. Fix a
+ comment.
+
2007-11-10 Steven Bosscher <stevenb.gcc@gmail.com>
* gcse.c (CUID_INSN): Remove.
2007-11-07 Kenneth Zadeck <zadeck@naturalbridge.com>
PR middle-end/33826
- * ipa-pure-const (static_execute): Added code to keep recursive
+ * ipa-pure-const.c (static_execute): Added code to keep recursive
functions from being marked as pure or const.
- * ipa-utils (searchc): Fixed comment.
+ * ipa-utils.c (searchc): Fixed comment.
2007-11-08 Tom Tromey <tromey@redhat.com>
2007-11-07 Kenneth Zadeck <zadeck@naturalbridge.com>
- * common.opt: Add pointer to doc/options.texi.
- * doc/invoke.texi (-fdse, -fdce, -fauto-inc-dec, -fipa-pure-const,
- -fipa-reference): Add or correct doc. Sorted options list for -Os
- -O, -O2.
-
+ * common.opt: Add pointer to doc/options.texi.
+ * doc/invoke.texi (-fdse, -fdce, -fauto-inc-dec, -fipa-pure-const,
+ -fipa-reference): Add or correct doc. Sorted options list for -Os
+ -O, -O2.
+
2007-11-07 Bernhard Fischer <aldot@gcc.gnu.org>
PR target/16350
(struct data_arg): Remove.
(add_field_for_reduction, create_stores_for_reduction): New functions.
(add_field_for_name): Remove reduction handling.
- (separate_decls_in_loop): Call add_field_for_reduction,
+ (separate_decls_in_loop): Call add_field_for_reduction,
create_stores_for_reduction.
2007-11-06 Jakub Jelinek <jakub@redhat.com>
* modulo-sched.c (sms_schedule): Add DF_UD_CHAIN problem.
2007-10-29 Razya Ladelsky <razya@il.ibm.com>
- Zdenek Dvorak <ook@ucw.cz>
+ Zdenek Dvorak <ook@ucw.cz>
OMP_ATOMIC Changes,
reduction support for automatic parallelization.
(vect-max-version-for-alignment-checks): Document.
(vect-max-version-for-alias-checks): Document.
(vect-max-version-checks): Remove.
-
+
2007-08-16 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (*rep_movdi_rex64): Emit "rep" prefix on
2007-07-27 Douglas Gregor <doug.gregor@gmail.com>
- * c-common.h (enum rid): Add RID_DECLTYPE, update RID_LAST_CXX0X.
+ * c-common.h (enum rid): Add RID_DECLTYPE, update RID_LAST_CXX0X.
2007-07-26 Kenneth Zadeck <zadeck@naturalbridge.com>
and adjust recursive call accordingly.
(prescan_insns_for_dce): Update call to delete_insn_p.
-2007-06-30 Rask Ingemann Lambertsen <rask@sygehus.dk>
+2007-06-30 Rask Ingemann Lambertsen <rask@sygehus.dk>
* combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
(try_combine): Move potential calls to undo_all() so they happen
before we commit to using the combined insns.
-2006-06-30 Jan Hubicka <jh@suse.cz>
+2007-06-30 Jan Hubicka <jh@suse.cz>
* loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
code.
-2006-06-30 Thomas Neumann <tneumann@users.sourceforge.net>
+2007-06-30 Thomas Neumann <tneumann@users.sourceforge.net>
* ipa.c (cgraph_postorder): Cast according to the coding conventions.
(cgraph_remove_unreachable_nodes): Likewise.
2007-06-13 Dave Korn <dave.korn@artimi.com>
- * config/i386/i386.c (ix86_eax_live_at_start_p): Use
- df_get_live_out.
+ * config/i386/i386.c (ix86_eax_live_at_start_p): Use df_get_live_out.
2007-06-13 Kazu Hirata <kazu@codesourcery.com>
2007-06-12 Seongbae Park <seongbae.park@gmail.com>
- * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
- to the exit block use set.
- (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
- * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
- * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
+ * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
+ to the exit block use set.
+ (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
+ * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
+ * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
2007-06-12 Seongbae Park <seongbae.park@gmail.com>
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