+2008-01-25 Joseph Myers <joseph@codesourcery.com>
+
+ * config/c4x: Remove directory.
+ * config.gcc (crx-*, mt-*): Mark obsolete.
+ (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
+ h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
+ sh-*-rtemscoff*): Remove cases.
+ * defaults.h (C4X_FLOAT_FORMAT): Remove.
+ * real.c (encode_c4x_single, decode_c4x_single,
+ encode_c4x_extended, decode_c4x_extended, c4x_single_format,
+ c4x_extended_format): Remove.
+ * real.h (c4x_single_format, c4x_extended_format): Remove.
+ * doc/extend.texi (interrupt, naked): Remove mention of attributes
+ on C4x.
+ (Pragmas): Remove comment about c4x pragmas.
+ * doc/install.texi (c4x): Remove target-specific instructions.
+ * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
+ * doc/md.texi (Machine Constraints): Remove C4x documentation.
+ * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
+ refer to C4x source files as examples.
+ (C4X_FLOAT_FORMAT): Remove documentation.
+
+2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.c (override_options): Reorder tests so that
+ flag_pic gets enabled for -msep-data.
+
+2008-01-25 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/32244
+ * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
+ to its bitfield precision if required.
+
+2008-01-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/33880
+ * tree-nested.c (walk_omp_for): New function.
+ (convert_nonlocal_reference, convert_local_reference): Call
+ walk_omp_for on OMP_FOR.
+ (convert_call_expr): Call walk_body on OMP_FOR's
+ OMP_FOR_PRE_INIT_BODY.
+
+2008-01-25 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34966
+ * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
+ default defs and PHI_NODEs we have to insert after the
+ defining statement.
+
+2008-01-24 Nick Clifton <nickc@redhat.com>
+
+ * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
+ Provide a default definition.
+ (LIBGCC2_UNITS_PER_WORD): Likewise.
+
+ * config/stormy16/stormy16.c: Include df.h for the prototype
+ for df_regs_ever_live_p.
+ (xstormy16_expand_builtin_va_start): Convert the stack offset
+ into a component_ref and then use POINTER_PLUS_EXPR to add it
+ to the incoming_virtual_args_rtx.
+ (xstormy16_gimplify_va_arg_expr): Rename to
+ xstormy16_gimplify_va_arg_expr.
+ Use POINTER_PLUS_EXPR when performing pointer arithmetic.
+ (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
+ xstormy16_gimplify_va_arg_expr.
+ Fix up some formatting issues.
+
+ * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
+ Move to predicates.md.
+ (xs_hi_general_operand): Likewise.
+ (xs_hi_nonmemory_operand): Likewise.
+ * config/stormy16/predicates.md:
+ (xstormy16_carry_plus_operand): New predicate.
+ (xs_hi_general_operand): New predicate.
+ (xs_hi_nonmemory_operand): New predicate.
+ * config/stormy16/stormy16-protos.h:
+ (xstormy16_carry_plus_operand): Delete prototype.
+ (xs_hi_general_operand): Likewise.
+ (xs_hi_nonmemory_operand): Likewise.
+
+ * config/storm16/stormy16.md (addhi3): Remove earlyclobber
+ modifiers as they are no longer needed and they can trigger
+ reload spill failures.
+
+ * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
+ with a match_operand in order to help reload.
+
+ * config/storm16/stormy16.md (movhi_internal): Replace 'r'
+ constraint with 'e' for the 8th alternative as this version of
+ the mov.w instruction only accepts the lower 8 registers.
+
+2008-01-25 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/34856
+ * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
+ Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
+ vector elements.
+
+2008-01-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/33333
+ * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
+
+2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
+
+ * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
+ New functions.
+ (remove_structure): Update allocations list before removing structure.
+
+2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
+
+ * ipa-struct-reorg.c (is_safe_cond_expr,
+ create_new_stmts_for_cond_expr): Use integer_zerop function,
+ that recognize not only zero-pointer, but zero-integer too.
+
+2008-01-25 Ben Elliston <bje@au.ibm.com>
+
+ PR other/22232
+ * fixproto: Escape "." in sed expression that strips leading "./".
+
+2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR driver/34904
+ * gcc.c (SWITCH_OK): Removed.
+ (SWITCH_LIVE): Changed to bit.
+ (SWITCH_FALSE): Likewise.
+ (SWITCH_IGNORE): Likewise.
+ (switchstr): Change live_cond to unsigned int.
+ (process_command): Replace SWITCH_OK with 0.
+ (do_self_spec): Likewise.
+ (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
+ (give_switch): Likewise.
+ (used_arg): Likewise.
+ (do_spec_1): Set the SWITCH_IGNORE bit.
+ (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
+ bits. Set the SWITCH_LIVE bit.
+
+2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.h (MOVE_RATIO): Define new target macro.
+
+2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR tree-optimization/34472
+ * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
+ parameter to a "bool *" and set *DATA to false if there is
+ an unsafe access. Do not delete the structure here.
+ (check_cond_exprs): Delete it here instead.
+ (check_cond_exprs, exclude_cold_structs): Do not increase
+ I when removing a structure.
+
+2008-01-24 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/34856
+ * config/i386/i386.c (ix86_expand_vector_init): Consider only
+ CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
+
+2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/34934
+ * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
+ a fixed vector for stack.
+
+2008-01-24 Ben Elliston <bje@au.ibm.com>
+
+ PR c++/25701
+ * doc/gcc.texi (Software development): Add a direntry for g++.
+
+2008-01-23 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
+ stale and straggling -fforce-addr comments above.
+
+ * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
+ define.
+ * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
+ * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
+
+2008-01-23 Michael Matz <matz@suse.de>
+
+ PR debug/34895
+ * dwarf2out.c (force_type_die): Use modified_type_die instead of
+ gen_type_die.
+
+2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
+ malloc result type.
+
+2008-01-23 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (avr_current_arch): New variable.
+ (avr_arch_types): Add 'avr31' and 'avr51' entries.
+ (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
+ (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
+ (avr_override_options): Init 'avr_current_arch'.
+ (base_arch_s): Move from here...
+ * config/avr/avr.h (base_arch_s): ... here. Add new members
+ 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
+ 'mega' to 'have_jmp_call'.
+ (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
+ "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
+ macros.
+ (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
+ architectures.
+ * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
+ MULTILIB_MATCHES): (Ditto.).
+
+2008-01-23 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/31529
+ * cgraphunit.c (cgraph_reset_node): Always mark the node
+ not reachable if it is not queued already.
+
+2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
+ * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
+ (cputype_selected): New static variable.
+ (bfin_handle_option): Set it if -mcpu is used.
+ (override_option): Select default set of workarounds if no cpu type
+ selected on the command line.
+ (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
+
+ From Michael Frysinger <michael.frysinger@analog.com>
+ * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
+ BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
+
+ * config/bfin/elf.h (LIB_SPEC): Use proper linker script
+ for bf547, bf523, bf524, and bf526.
+ * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
+ bf526.
+ * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
+ __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
+ __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
+ __ADSPBF547__ and __ADSPBF54x__ for bf547.
+ * doc/invoke.texi (Blackfin Options): Document that
+ -mcpu now accept bf547, bf523, bf524, and bf526.
+
+2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/34628
+ * combine.c (try_combine): Stop and undo after the first combination
+ if an autoincrement side-effect on the first insn has effectively
+ been lost.
+
+2008-01-22 David Edelsohn <edelsohn@gnu.org>
+
+ PR target/34529
+ * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
+ Offset addresses are not valid for Altivec or paired float modes.
+
+2008-01-22 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/34607
+ * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
+ if DECL_INITIAL (decl) is error_mark_node.
+
+ PR c++/34914
+ * c-common.c (handle_vector_size_attribute): Only allow
+ integral, scalar float and fixed point types. Handle OFFSET_TYPE
+ the same way as pointer, array etc. types.
+ * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
+
+ PR c++/34917
+ * tree.c (build_type_attribute_qual_variant): Call
+ build_qualified_type if attributes are equal, but quals are not.
+
+2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR 32102
+ * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
+ * flags.h (warn_strict_aliasing): Remove.
+ (warn_strict_overflow): Remove.
+ * opts.c (warn_strict_aliasing): Remove.
+ (warn_strict_overflow): Remove.
+ * c-opts.c (c_common_handle_option): -Wall only sets
+ -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
+ (c_common_post_options): Give default values to -Wstrict-aliasing
+ and -Wstrict-overflow if they are uninitialized.
+ * common.opt (Wstrict-aliasing): Specify Var and Init.
+ (Wstrict-overflow): Likewise.
+
+2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ PR rtl-optimization/26854
+ PR rtl-optimization/34400
+ PR rtl-optimization/34884
+ * ddg.c (create_ddg_dep_from_intra_loop_link): Use
+ DF_RD->gen.
+ * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
+ (df_rd_bb_info.expanded_lr_out): Deleted
+ * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
+ * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
+ (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
+ df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
+ Removed code to allocate, initialize or free expanded_lr_out.
+ (df_rd_bb_local_compute_process_def): Restructured to make more
+ understandable.
+ (df_rd_confluence_n): Removed code to no apply invalidate_by_call
+ sets if the sets are being trimmed.
+
+2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR bootstrap/32287
+ * configure.ac (ld_vers): Support GNU linker version xx.xx.*
+ (as_vers): Likewise.
+ * configure: Regenerated.
+
+2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR middle-end/33092
+ * tree-pass.h (pass_build_alias): New pass.
+ * tree-ssa-alias.c (gate_build_alias): New.
+ (pass_build_alias): New.
+ * passes.c (init_optimization_passes): Add pass_build_alias after
+ pass_create_structure_vars.
+
+2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
+
+ * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
+ Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
+ (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
+ S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
+ (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
+ S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
+ (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
+ S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
+ (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
+ (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
+ (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
+ (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
+ * config/s390/s390.md (FP_ALL): New mode iterator.
+ (_d): New mode attribute.
+ ("*signbit<mode>2>"): Changed mode of first operand.
+ ("isinf<mode>2"): Changed mode of first operand.
+ ("*TDC_insn"): Adaptation for DFP modes.
+
+2008-01-22 Ben Elliston <bje@au.ibm.com>
+
+ * tree.c (check_qualified_type): Improve function description.
+
+2008-01-21 Jason Merrill <jason@redhat.com>
+
+ PR c++/34196
+ * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
+ * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
+ if it is set.
+
+2008-01-21 DJ Delorie <dj@redhat.com>
+
+ * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
+ return zero.
+
+2008-01-21 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34856
+ * tree-cfg.c (verify_expr): Allow all invariant expressions
+ instead of just constant class ones as reference argument.
+ * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
+ like any other constant.
+ * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
+
+2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
+
+ * regmove.c (fixup_match_1): Update call crossed frequencies.
+
+2008-01-21 Richard Guenther <rguenther@suse.de>
+
+ PR c/34885
+ * tree-inline.c (setup_one_parameter): Deal with mismatched
+ types using a VIEW_CONVERT_EXPR.
+
+2008-01-21 Alon Dayan <alond@il.ibm.com>
+ Olga Golovanevsky <olga@il.ibm.com>
+
+ PR tree-optimization/34701
+ * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
+ when the structure size is not a power of 2.
+
+2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * doc/install.texi: Add doc for --enable-checking=df.
+
+2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR rtl-optimization/34808
+ * emit-rtl.c (try_split): Handle REG_RETVAL notes.
+
+2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
+ input.
+
+2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ PR rtl-optimization/26854
+ PR rtl-optimization/34400
+ * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
+ DF_RD->gen.
+ * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
+ (df_rd_bb_info.expanded_lr_out): New.
+ * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
+ * loop_iv.c (iv_analysis_loop_init): Ditto.
+ * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
+ df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
+ Added code to allocate, initialize or free expanded_lr_out.
+ (df_rd_bb_local_compute_process_def): Restructured to make
+ more understandable.
+ (df_rd_confluence_n): Add code to do nothing with fake edges and
+ code to no apply invalidate_by_call sets if the sets are being trimmed.
+ (df_lr_local_finalize): Renamed to df_lr_finalize.
+ (df_live_local_finalize): Renamed to df_live_finalize.
+
+2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR target/34831
+ * config/mips/mips.md (div<mode>3): Use <recip_condition> when
+ deciding whether to use reciprocal instructions.
+
+2008-01-19 Uros Bizjak <ubizjak@gmail.com>
+
+ * dwarf2out.c (dwarf2out_switch_text_section): Do not call
+ dwarf2out_note_section_used if cold_text_section is NULL.
+
+2008-01-19 Jakub Jelinek <jakub@redhat.com>
+
+ PR gcov-profile/34610
+ * tree-cfg.c (make_edges): Mark both outgoing edges from
+ OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
+ * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
+ from OMP_FOR and OMP_CONTINUE outgoing edges.
+
+ * tree-profile.c (tree_profiling): Return early if
+ cfun->after_tree_profile != 0. Set cfun->after_tree_profile
+ at the end.
+ * omp-low.c (expand_omp_parallel): Copy after_tree_profile
+ from cfun to child_cfun.
+ * function.h (struct function): Add after_tree_profile bit.
+
+2008-01-19 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.S (_exit): Disable interrupt.
+
+2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
+ Steven Bosscher <stevenb.gcc@gmail.com>
+
+ PR rtl-optimization/26854
+ PR rtl-optimization/34400
+ * df-problems.c (df_live_scratch): New scratch bitmap.
+ (df_live_alloc): Allocate df_live_scratch when doing df_live.
+ (df_live_reset): Clear the proper bitmaps.
+ (df_live_bb_local_compute): Only process the artificial defs once
+ since the order is not important.
+ (df_live_init): Init the df_live sets only with the variables
+ found live by df_lr.
+ (df_live_transfer_function): Use the df_lr sets to prune the
+ df_live sets as they are being computed.
+ (df_live_free): Free df_live_scratch.
+
+2008-01-18 Ian Lance Taylor <iant@google.com>
+
+ * common.opt: Add fmerge-debug-strings.
+ * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
+ flag_merge_debug_strings rather than flag_merge_constants.
+ * doc/invoke.texi (Option Summary): Mention
+ -fmerge-debug-strings.
+ (Debugging Options): Document -fmerge-debug-strings.
+
+2008-01-18 Ian Lance Taylor <iant@google.com>
+
+ PR c++/33407
+ * tree.h (DECL_IS_OPERATOR_NEW): Define.
+ (struct tree_function_decl): Add new field operator_new_flag.
+ * tree-inline.c (expand_call_inline): When inlining a call to
+ operator new, force the return value to go into a variable, and
+ set DECL_NO_TBAA_P on that variable.
+ * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
+
2008-01-18 Uros Bizjak <ubizjak@gmail.com>
PR debug/34484
function always sign-extends the value.
2008-01-16 Jakub Jelinek <jakub@redhat.com>
- Richard Guenther <rguenther@suse.de>
+ Richard Guenther <rguenther@suse.de>
PR c/34668
* gimplify.c (fold_indirect_ref_rhs): Rename to ...
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