* include/cpplib.h (struct cpp_callbacks): Add user_builtin_macro

[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

2010-06-10  Jakub Jelinek  <jakub@redhat.com>

        * c-family/c-cppbuiltin.c: Include cpp-id-data.h.
        (lazy_hex_fp_values, lazy_hex_fp_value_count): New variables.
        (lazy_hex_fp_value): New function.
        (builtin_define_with_hex_fp_value): Provide definitions lazily.
        * Makefile.in (c-family/c-cppbuiltin.o): Depend on $(CPP_ID_DATA_H).

2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/44483
        * tree-if-conv.c (bb_predicate_s): New struct.
        (bb_predicate_p): New.
        (bb_has_predicate): New.
        (bb_predicate): New.
        (set_bb_predicate): New.
        (bb_predicate_gimplified_stmts): New.
        (set_bb_predicate_gimplified_stmts): New.
        (add_bb_predicate_gimplified_stmts): New.
        (init_bb_predicate): New.
        (free_bb_predicate): New.
        (is_predicated): Use bb_predicate.
        (add_to_predicate_list): Use bb_predicate and set_bb_predicate.
        (predicate_bbs): Same.  Gimplify the condition of the basic blocks
        before processing their successors.
        (clean_predicate_lists): Removed.
        (find_phi_replacement_condition): Use bb_predicate.
        (process_phi_nodes): Renamed ifconvert_phi_nodes.  Avoid useless
        computations.
        (insert_gimplified_predicates): New.
        (combine_blocks): Call insert_gimplified_predicates.
        (tree_if_conversion): Call free_bb_predicate instead of
        clean_predicate_lists.

2010-10-11  Paul Brook  <paul@codesourcery.com>
 
        * doc/invoke.texi: Document ARM -mcpu=cortex-m4.
        * config/arm/arm.c (all_architectures): Change v7e-m default to
        cortexm4.
        * config/arm/arm-cores.def: Add cortex-m4.
        * config/arm/arm-tune.md: Regenerate.

2010-06-11  Jan Hubicka  <jh@suse.cz>

        * ipa-pure-const.c (special_builtlin_state): New function.
        (check_call): Use it instead of special casign BUILT_IN_RETURN.
        (propagate_pure_const): Use it.

2010-06-11  Jan Hubicka  <jh@suse.cz>

        * df-problems.c (df_live_scratch): Convert to bitmap_head.
        (df_live_alloc): Initialize df_live_scratch when initializing
        problem_data.
        (df_live_transfer_function): Update uses of df_live_scratch.
        (df_live_free): Free problem_data; clear df_live_scratch before
        releasing the obstack.
        (df_md_free): Free problem data.

2010-06-11  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi (Wsuggest-attribute): Document.
        (Wmissing-noreturn): Remove.
        * ipa-pure-const.c (warn_function_noreturn): New function.
        * opts.c (decode_options): Set warn_suggest_attribute_noreturn on
        warn_missing_noreturn.
        * common.opt (Wsuggest-attribute=noreturn): New.
        * tree-flow.h (warn_function_noreturn): Declare.
        * tree-cfg.c (execute_warn_function_noreturn): Use
        warn_function_noreturn.
        (gate_warn_function_noreturn): New.
        (pass_warn_function_noreturn): Update.

2010-06-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-typeck.c (handle_warn_cast_qual): Add loc
        parameter. Improve warning message.
        (build_c_cast): Pass location to handle_warn_cast_qual.

2010-06-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (pro_epilogue_adjust_stack_1) <TYPE_ALU>: Assert
        that operand 0 == operand 1.  Use x86_maybe_negate_const_int to output
        insn mnemonic.
        (pro_epilogue_adjust_stack_rex64) <TYPE_ALU>: Ditto.

2010-06-10  Dodji Seketeli  <dodji@redhat.com>

        Fix bootstap on mips
        * dwarf2out.c (is_naming_typedef_dec): Built-in TYPE_DECLs cannot
        be naming typedefs.

2010-06-11  Kai Tietz  <kai.tietz@onevision.com>

        * system.h (helper_const_non_const_cast): New inline for
        gcc version <= 4.0.
        (CONST_CAST2): For gcc version <= 4.0 use
        new helper to do const/non-const casting.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/md.texi: Document the "unspec" and "unspecv" enum names.
        * Makefile.in (OBJS-common): Include insn-enums.o.
        (insn-enums.o): New rule.
        (simple_generated_c): Add insn-enums.c.
        (build/genenums.o): New rule.
        (genprogmd): Add "enums".
        * genconstants.c (print_enum_type): Declare a C string array
        for each enum.
        * genenums.c: New file.
        * print-rtl.c (print_rtx): If defined, use the "unspecv" enum
        for UNSPEC_VOLATILE.  If defined, use the "unspec" enum for both
        UNSPEC and (as a fallback) for UNSPEC_VOLATILE.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/md.texi (define_enum_attr): Document.
        * rtl.def (DEFINE_ENUM_ATTR): New rtx.
        * read-md.h (lookup_enum_type): Declare.
        * read-md.c (lookup_enum_type): New function.
        * genattr.c (gen_attr, main): Handle DEFINE_ENUM_ATTR.
        * genattrtab.c (attr_desc): Add an enum_name field.
        (evaluate_eq_attr): Take the associated attribute as argument.
        Get the enum prefix from the enum_name field, if defined.
        Use ACONCAT rather than a fixed-length buffer.  Update recursive calls.
        (simplify_test_exp): Pass attr to evaluate_eq_attr.
        (add_attr_value): New function, split out from...
        (gen_attr): ...here.  Handle DEFINE_ENUM_ATTR.
        (write_test_expr): Pass attr to evaluate_eq_attr.
        (write_attr_get): Use the enum_name as the enum tag, if defined.
        (write_attr_valueq): Use the enum_name as a prefix, if defined.
        (find_attr): Initialize enum_name.
        (main): Handle DEFINE_ENUM_ATTR.
        * gensupport.c (process_rtx): Likewise.
        * config/mips/mips.h (mips_tune_attr): Delete.
        * config/mips/mips.md (cpu): Use define_attr_enum.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/md.texi (define_c_enum, define_enum): Document.
        * read-md.h (md_constant): Add a parent_enum field.
        (enum_value, enum_type): New structures.
        (upcase_string, traverse_enum_types): Declare.
        * read-md.c (enum_types): New variable.
        (upcase_string, add_constant): New functions.
        (handle_constants): Don't create the hash table here.
        Use add_constant.
        (traverse_md_constants): Don't check for a null md_constants.
        (decimal_string, handle_enum, traverse_enum_types): New functions.
        (read_md_files): Initialize md_constants and md_enums.
        * genconstants.c (print_md_constant): Ignore info argument.
        Only print constants that belong to no enum.
        (print_enum_type): New function.
        (main): Don't pass stdout to print_md_constant.  Call print_enum_type
        for each defined enum type.
        * config/mips/mips.md (processor): New define_enum.
        (unspec): New define_c_enum.
        (UNSPEC_COMPARE_AND_SWAP, UNSPEC_COMPARE_AND_SWAP_12)
        (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_NEW_OP_12)
        (UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE, UNSPEC_SYNC_EXCHANGE_12)
        (UNSPEC_MEMORY_BARRIER): Moved to sync.md.
        (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
        (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
        (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
        (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
        (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
        (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
        (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
        (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
        (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
        (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
        (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
        (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
        (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
        (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
        (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
        (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
        (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
        (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
        (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
        (UNSPEC_RDDSP): Move to mips-dsp.md.
        (UNSPEC_ABSQ_S_QB, UNSPEC_ADDU_PH, UNSPEC_ADDU_S_PH, UNSPEC_ADDUH_QB)
        (UNSPEC_ADDUH_R_QB, UNSPEC_APPEND, UNSPEC_BALIGN, UNSPEC_CMPGDU_EQ_QB)
        (UNSPEC_CMPGDU_LT_QB, UNSPEC_CMPGDU_LE_QB, UNSPEC_DPA_W_PH)
        (UNSPEC_DPS_W_PH, UNSPEC_MADD, UNSPEC_MADDU, UNSPEC_MSUB, UNSPEC_MSUBU)
        (UNSPEC_MUL_PH, UNSPEC_MUL_S_PH, UNSPEC_MULQ_RS_W, UNSPEC_MULQ_S_PH)
        (UNSPEC_MULQ_S_W, UNSPEC_MULSA_W_PH, UNSPEC_MULT, UNSPEC_MULTU)
        (UNSPEC_PRECR_QB_PH, UNSPEC_PRECR_SRA_PH_W, UNSPEC_PRECR_SRA_R_PH_W)
        (UNSPEC_PREPEND, UNSPEC_SHRA_QB, UNSPEC_SHRA_R_QB, UNSPEC_SHRL_PH)
        (UNSPEC_SUBU_PH, UNSPEC_SUBU_S_PH, UNSPEC_SUBUH_QB, UNSPEC_SUBUH_R_QB)
        (UNSPEC_ADDQH_PH, UNSPEC_ADDQH_R_PH, UNSPEC_ADDQH_W, UNSPEC_ADDQH_R_W)
        (UNSPEC_SUBQH_PH, UNSPEC_SUBQH_R_PH, UNSPEC_SUBQH_W, UNSPEC_SUBQH_R_W)
        (UNSPEC_DPAX_W_PH, UNSPEC_DPSX_W_PH, UNSPEC_DPAQX_S_W_PH)
        (UNSPEC_DPAQX_SA_W_PH, UNSPEC_DPSQX_S_W_PH, UNSPEC_DPSQX_SA_W_PH):
        Moved to mips-dspr2.md.
        (UNSPEC_MOVE_TF_PS, UNSPEC_C, UNSPEC_ALNV_PS, UNSPEC_CABS)
        (UNSPEC_ADDR_PS, UNSPEC_CVT_PW_PS, UNSPEC_CVT_PS_PW, UNSPEC_MULR_PS)
        (UNSPEC_ABS_PS, UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1)
        (UNSPEC_RECIP2, UNSPEC_SINGLE_CC, UNSPEC_SCC): Moved from mips-ps-3d.md.
        (UNSPEC_LOONGSON_PAVG, UNSPEC_LOONGSON_PCMPEQ, UNSPEC_LOONGSON_PCMPGT)
        (UNSPEC_LOONGSON_PEXTR, UNSPEC_LOONGSON_PINSR_0)
        (UNSPEC_LOONGSON_PINSR_1, UNSPEC_LOONGSON_PINSR_2)
        (UNSPEC_LOONGSON_PINSR_3, UNSPEC_LOONGSON_PMADD)
        (UNSPEC_LOONGSON_PMOVMSK, UNSPEC_LOONGSON_PMULHU)
        (UNSPEC_LOONGSON_PMULH, UNSPEC_LOONGSON_PMULL, UNSPEC_LOONGSON_PMULU)
        (UNSPEC_LOONGSON_PASUBUB, UNSPEC_LOONGSON_BIADD, UNSPEC_LOONGSON_PSADBH)
        (UNSPEC_LOONGSON_PSHUFH, UNSPEC_LOONGSON_PUNPCKH)
        (UNSPEC_LOONGSON_PUNPCKL, UNSPEC_LOONGSON_PADDD)
        (UNSPEC_LOONGSON_PSUBD): Move to mips-loongson.md.
        (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
        (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
        (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
        (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): Moved to mips-loongson2ef.md.
        (cpu): Update comment.
        * config/mips/sync.md (UNSPEC_COMPARE_AND_SWAP)
        (UNSPEC_COMPARE_AND_SWAP_12, UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP)
        (UNSPEC_SYNC_NEW_OP_12, UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE)
        (UNSPEC_SYNC_EXCHANGE_12, UNSPEC_MEMORY_BARRIER): Moved from mips.md.
        * config/mips/loongson.md (UNSPEC_LOONGSON_PAVG, UNSPEC_LOONGSON_PCMPEQ)
        (UNSPEC_LOONGSON_PCMPGT, UNSPEC_LOONGSON_PEXTR, UNSPEC_LOONGSON_PINSR_0)
        (UNSPEC_LOONGSON_PINSR_1, UNSPEC_LOONGSON_PINSR_2)
        (UNSPEC_LOONGSON_PINSR_3, UNSPEC_LOONGSON_PMADD)
        (UNSPEC_LOONGSON_PMOVMSK, UNSPEC_LOONGSON_PMULHU)
        (UNSPEC_LOONGSON_PMULH, UNSPEC_LOONGSON_PMULL, UNSPEC_LOONGSON_PMULU)
        (UNSPEC_LOONGSON_PASUBUB, UNSPEC_LOONGSON_BIADD, UNSPEC_LOONGSON_PSADBH)
        (UNSPEC_LOONGSON_PSHUFH, UNSPEC_LOONGSON_PUNPCKH)
        (UNSPEC_LOONGSON_PUNPCKL, UNSPEC_LOONGSON_PADDD)
        (UNSPEC_LOONGSON_PSUBD): Moved from mips.md
        * config/mips/loongson2ef.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
        (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
        (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
        (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): Moved from mips.md
        * config/mips/mips-dsp.md (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ)
        (UNSPEC_SUBQ_S, UNSPEC_ADDSC, UNSPEC_ADDWC, UNSPEC_MODSUB)
        (UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S, UNSPEC_PRECRQ_QB_PH)
        (UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W, UNSPEC_PRECRQU_S_QB_PH)
        (UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR, UNSPEC_PRECEQU_PH_QBL)
        (UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA, UNSPEC_PRECEQU_PH_QBRA)
        (UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR, UNSPEC_PRECEU_PH_QBLA)
        (UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL, UNSPEC_SHLL_S, UNSPEC_SHRL_QB)
        (UNSPEC_SHRA_PH, UNSPEC_SHRA_R, UNSPEC_MULEU_S_PH_QBL)
        (UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH, UNSPEC_MULEQ_S_W_PHL)
        (UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL, UNSPEC_DPAU_H_QBR)
        (UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR, UNSPEC_DPAQ_S_W_PH)
        (UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH, UNSPEC_DPAQ_SA_L_W)
        (UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL, UNSPEC_MAQ_S_W_PHR)
        (UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR, UNSPEC_BITREV, UNSPEC_INSV)
        (UNSPEC_REPL_QB, UNSPEC_REPL_PH, UNSPEC_CMP_EQ, UNSPEC_CMP_LT)
        (UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB, UNSPEC_CMPGU_LT_QB)
        (UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH, UNSPEC_EXTR_W)
        (UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H, UNSPEC_EXTP)
        (UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
        (UNSPEC_RDDSP): Moved from mips.md.
        * config/mips/mips-dspr2.md (UNSPEC_ABSQ_S_QB, UNSPEC_ADDU_PH)
        (UNSPEC_ADDU_S_PH, UNSPEC_ADDUH_QB, UNSPEC_ADDUH_R_QB, UNSPEC_APPEND)
        (UNSPEC_BALIGN, UNSPEC_CMPGDU_EQ_QB, UNSPEC_CMPGDU_LT_QB)
        (UNSPEC_CMPGDU_LE_QB, UNSPEC_DPA_W_PH, UNSPEC_DPS_W_PH, UNSPEC_MADD)
        (UNSPEC_MADDU, UNSPEC_MSUB, UNSPEC_MSUBU, UNSPEC_MUL_PH)
        (UNSPEC_MUL_S_PH, UNSPEC_MULQ_RS_W, UNSPEC_MULQ_S_PH, UNSPEC_MULQ_S_W)
        (UNSPEC_MULSA_W_PH, UNSPEC_MULT, UNSPEC_MULTU, UNSPEC_PRECR_QB_PH)
        (UNSPEC_PRECR_SRA_PH_W, UNSPEC_PRECR_SRA_R_PH_W, UNSPEC_PREPEND)
        (UNSPEC_SHRA_QB, UNSPEC_SHRA_R_QB, UNSPEC_SHRL_PH, UNSPEC_SUBU_PH)
        (UNSPEC_SUBU_S_PH, UNSPEC_SUBUH_QB, UNSPEC_SUBUH_R_QB, UNSPEC_ADDQH_PH)
        (UNSPEC_ADDQH_R_PH, UNSPEC_ADDQH_W, UNSPEC_ADDQH_R_W, UNSPEC_SUBQH_PH)
        (UNSPEC_SUBQH_R_PH, UNSPEC_SUBQH_W, UNSPEC_SUBQH_R_W, UNSPEC_DPAX_W_PH)
        (UNSPEC_DPSX_W_PH, UNSPEC_DPAQX_S_W_PH, UNSPEC_DPAQX_SA_W_PH)
        (UNSPEC_DPSQX_S_W_PH, UNSPEC_DPSQX_SA_W_PH): Moved from mips.md.
        * config/mips/mips-ps-3d.md (UNSPEC_MOVE_TF_PS, UNSPEC_C)
        (UNSPEC_ALNV_PS, UNSPEC_CABS, UNSPEC_ADDR_PS, UNSPEC_CVT_PW_PS)
        (UNSPEC_CVT_PS_PW, UNSPEC_MULR_PS, UNSPEC_ABS_PS, UNSPEC_RSQRT1)
        (UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2, UNSPEC_SINGLE_CC)
        (UNSPEC_SCC): Moved from mips.md.
        * config/mips/mips.c (mips_arch, mips_tune): Change enum from
        "processor_type" to "processor".
        (mips_rtx_cost_data): Replace PROCESSOR_MAX with NUM_PROCESSOR_VALUES.
        * config/mips/mips.h (processor_type): Delete.
        (mips_cpu_info.cpu, mips_arch, mips_tune): Change enum from
        "processor_type" to "processor".

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * configure.ac (tm_include_list): Add insn-constants.h.
        * configure: Regenerate.
        * Makefile.in (GTM_H): Move insn-constants.h here from...
        (TM_H): ...here.
        * mkconfig.sh: Remove special handling for insn-constants.h.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (BUILD_RTL): Move build/read-md.o to...
        (BUILD_MD): ...this new variable.
        (simple_generated_rtl_h, simple_generated_rtl_c): New variables
        that include the old contents of simple_generated_h and
        simple_generated_c.
        (simple_generated_h, simple_generated_c): Include them.  Add
        insn-constants.h.
        (s-%): Make simple_generated_{h,c} stamps depend on $(MD_DEPS)
        and simple_generated_rtl_{h,c} stamps depend on insn-conditions.md.
        Remove these dependencies from the main rule and include
        insn-conditions.md in the command line only if it appears
        in the dependency list.
        (insn-constants.h, s-constants): Delete.
        (build/genconstants.o): Don't depend on $(RTL_BASE_H), $(GTM_H)
        or gensupport.h.
        (build/genmddeps.o): Likewise.
        (genprogrtl): New variable that contains everything from genprogmd
        except mddeps and constants.
        (genprogmd): Redefine in terms of genprogrtl.  Make these programs
        depend on $(BUILD_MD)
        (genprog): New variable.  Make these programs depend on
        $(BUILD_ERRORS).
        * genmddeps.c: Don't include tm.h, rtl.h or gensupport.h.
        (main): Use read_md_files instead of init_rtx_reader_args.
        * genconstants.c: As for genmddeps.c.
        * read-md.h (read_skip_construct): Declare.
        * read-md.c (read_skip_construct): New function.
        (handle_file): Allow a null handle_directive, skipping the
        construct if so.
        (parse_include): Update the comment accordingly.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (build/genmddeps.o): Depend on $(READ_MD_H).
        * genmddeps.c: Include read-md.h.
        (main): Call init_rtx_reader_args instead of init_md_reader_args.
        * genattr.c (main): Likewise.
        * genattrtab.c (main): Likewise.
        * genautomata.c (main): Likewise.
        * gencodes.c (main): Likewise.
        * genconditions.c (main): Likewise.
        * genconfig.c (main): Likewise.
        * genconstants.c (main): Likewise.
        * genemit.c (main): Likewise.
        * genextract.c (main): Likewise.
        * genflags.c (main): Likewise.
        * genopinit.c (main): Likewise.
        * genoutput.c (main): Likewise.
        * genpeep.c (main): Likewise.
        * genrecog.c (main): Likewise.
        * genpreds.c (main): Likewise.
        * gensupport.h (in_fname): Move to read-md.h.
        (init_md_reader_args_cb): Rename to...
        (init_rtx_reader_args_cb): ...this and return a bool.
        (init_md_reader_args): Rename to...
        (init_rtx_reader_args): ...this and return a bool.
        (include_callback): Move to read-md.h.
        * gensupport.c (in_fname, include_callback, base_dir, max_include_len)
        (file_name_list, first_dir_md_include): Move to read-md.c
        (first_bracket_include): Delete unused variable.
        (last_dir_md_include): Move to read-md.c.
        (process_include): Delete, moving code to read-md.c:handle_include.
        (process_rtx): Don't handle INCLUDE.
        (save_string): Delete.
        (rtx_handle_directive): New function.
        (init_md_reader_args_cb): Rename to...
        (init_rtx_reader_args_cb): ...this and return a boolean success value.
        Use read_md_args.
        (init_md_reader_args): Rename to...
        (init_rtx_reader_args): ...this and return a boolean success value.
        * rtl.def (INCLUDE): Delete.
        * rtl.h (read_rtx): Remove "int *" argument.  Add "const char *"
        argument.
        * read-rtl.c (read_conditions): Don't gobble ')' here.
        (read_mapping): Likewise.
        (read_rtx): Remove LINENO argument.  Add RTX_NAME argument.
        Handle top-level non-rtx constructs here rather than in read_rtx_1.
        Store the whole queue in *X.  Remove call to init_md_reader.
        (read_rtx_1): Rename to...
        (read_rtx_code): ...this.  Call read_nested_rtx to read subrtxes.
        Don't handle top-level non-rtx constructs here.  Don't handle (nil)
        here.
        (read_nested_rtx): New function.  Handle (nil) here rather than
        in read_rtx_code.
        (read_rtx_variadic): Call read_nested_rtx to read subrtxes.  Don't
        gobble ')' here.
        * read-md.h (directive_handler_t): New type.
        (in_fname, include_callback): Moved from read-md.h.
        (read_constants, init_md_reader): Delete.
        (read_md_files): Declare.
        * read-md.c (file_name_list, in_fname, base_dir, first_dir_md_include)
        (last_dir_md_include_ptr, include_callback, max_include_len): Moved
        from gensupport.c.
        (read_constants): Rename to...
        (handle_constants): ...this.  Don't gobble ')' here.
        (handle_include, handle_file, handle_toplevel_file)
        (parse_include): New functions, mostly taken from gensupport.c.
        (init_md_reader): Subsume into...
        (read_md_files): ...this new function.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * read-md.h (read_char): Increment read_md_lineno after reading '\n'.
        (unread_char): Decrement read_md_lineno after putting back '\n'.
        * read-md.c (fatal_with_file_and_line): Push back any characters
        that we decide not to add to the context.
        (read_skip_spaces): Don't increment read_md_lineno here.  Avoid using
        fatal_expected_char in cases where '/' ends a line (for example).
        (read_name): Don't increment read_md_lineno here.
        (read_escape): Likewise.
        (read_quoted_string): Likewise.
        (read_braced_string): Likewise.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (READ_MD_H): Add $(HASHTAB_H).
        (build/genconstants.o): Depend on $(READ_MD_H) gensupport.h.
        * genconstants.c: Include read-md.h.
        * read-rtl.c (md_constants): Move to read-md.c.
        (md_name): Move to read-md.h.
        (initialize_iterators): Use leading_string_hash instead of def_hash
        and leading_string_eq_p instead of def_name_eq_p.
        (read_name): Move to read-md.c.
        (def_hash, def_name_eq_p): Delete.
        (read_constants, traverse_md_constants): Move to read-md.c.
        * rtl.h (md_constant, traverse_md_constants): Move to read-md.h.
        * read-md.h: Include hashtab.h.
        (md_name): Moved from read-rtl.c.
        (md_constant): Moved from read-md.h.
        (leading_string_hash, leading_string_eq_p, read_name)
        (read_constants, traverse_md_constants): Declare.
        * read-md.c (md_constants): Moved from read-rtl.c.
        (leading_string_hash, leading_string_eq_p): New functions.
        (read_name, read_constants, traverse_md_constants): Moved from
        read-rtl.c.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * read-rtl.c (md_name): New structure.
        (read_name): Take an md_name instead of a buffer pointer.
        Use the "string" field instead of strcpy when expanding constants.
        (read_constants): Remove the tmp_char argument.  Update the calls
        to read_name, using two local name buffers instead of the tmp_char
        argument.  Merge the constant-creation code.
        (read_conditions): Remove the tmp_char argument.  Update the calls
        to read_name, using a local name buffer instead of the tmp_char
        argument.
        (read_mapping): Replace tmp_char variable with a local name buffer.
        Update the calls to read_name.
        (read_rtx_1): Likewise.  Update the calls to read_constants and
        read_conditions.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (build/read-md.o): Depend on errors.h.
        * read-md.h (error_with_line): Declare.
        * read-md.c: Include errors.h.
        (message_with_line_1): New function, extracted from...
        (message_with_line): ...here.
        (error_with_line): New function.
        * genattrtab.c: If a call to message_with_line is followed by
        "have_error = 1;", replace both statements with a call to
        error_with_line.
        * genoutput.c: Likewise.
        * genpreds.c: Likewise.
        * genrecog.c: If a call to message_with_line is followed by
        "error_count++;", replace both statements with a call to
        error_with_line.
        (errorcount): Delete.
        (main): Don't check it.
        * gensupport.c: If a call to message_with_line is followed by
        "errors = 1;", replace both statements with a call to error_with_line.
        (errors): Delete.
        (process_define_cond_exec): Check have_error instead of errors.
        (init_md_reader_args_cb): Likewise.  Don't set errors.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * read-md.h (read_md_file): Declare.
        (read_char, unread_char): New functions.
        (fatal_with_file_and_line, fatal_expected_char, read_skip_spaces)
        (read_quoted_string, read_string): Remove FILE * argument.
        * read-md.c (read_md_file): New variable.
        (read_md_filename, read_md_lineno): Update comments and remove
        unnecessary initialization.
        (fatal_with_file_and_line, fatal_expected_char, read_skip_spaces)
        (read_escape, read_quoted_string, read_braced_string, read_string):
        Remove FILE * argument.  Update calls accordingly, using read_char
        and unread_char instead of getc and ungetc.
        * rtl.h (read_rtx): Remove FILE * argument.
        * read-rtl.c (iterator_group): Remove FILE * argument from
        "find_builtin".
        (iterator_traverse_data): Remove "infile" field.
        (find_mode, find_code, apply_mode_maps, apply_iterator_to_rtx)
        (add_mapping, read_name, read_constants, read_conditions)
        (validate_const_int, find_iterator, read_mapping, check_code_iterator)
        (read_rtx, read_rtx_1, read_rtx_variadic): Remove FILE * argument.
        Remove file arguments from all calls, using read_char and unread_char
        instead of getc and ungetc.
        * gensupport.c (process_include): Preserve read_md_file around
        the include.  Set read_md_file to the handle of the included file.
        Update call to read_rtx.
        (init_md_reader_args_cb): Set read_md_file to the handle of the file
        and remove local FILE *.  Update calls to read_rtx.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * read-md.h (read_rtx_lineno): Rename to...
        (read_md_lineno): ...this.
        (read_rtx_filename): Rename to...
        (read_md_filename): ...this.
        (copy_rtx_ptr_loc): Rename to...
        (copy_md_ptr_loc): ...this.
        (print_rtx_ptr_loc): Rename to...
        (print_md_ptr_loc): ...this.
        * read-md.c: Likewise.  Update references after renaming.
        (string_obstack): Replace RTL with MD in comment.
        (set_rtx_ptr_loc): Rename to...
        (set_md_ptr_loc): ...this.
        (get_rtx_ptr_loc): Rename to...
        (get_md_ptr_loc): ...this.
        * genconditions.c: Update references after renaming.
        * genemit.c: Likewise.
        * genoutput.c: Likewise.
        * genpreds.c: Likewise.
        * gensupport.c: Likewise.
        * read-rtl.c: Likewise.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (READ_MD_H): New variable.
        (BUILD_RTL): Add build/read-md.o.
        (lto-wrapper.o): Depend on coretypes.h instead of defaults.h.
        (build/gensupport.o, build/read-rtl.o, build/genattr.o)
        (build/genattrtab.o, build/genconditions.o build/genemit.o)
        (build/genextract.o, build/genflags.o, build/genoutput.o)
        (build/genpreds.o, build/genrecog.o): Depend on $(READ_MD_H).
        (build/read-md.o): New rule.
        * defaults.h (obstack_chunk_alloc, obstack_chunk_free)
        (OBSTACK_CHUNK_SIZE, gcc_obstack_init): Move to...
        * coretypes.h: ...here.
        * lto-wrapper.c: Include coretypes.h instead of defaults.h.
        * pretty-print.c (obstack_chunk_alloc, obstack_chunk_free): Delete.
        * genattr.c: Include read-md.h.
        * genattrtab.c: Likewise.
        * genconditions.c: Likewise.
        * genemit.c: Likewise.
        * genextract.c: Likewise.
        * genflags.c: Likewise.
        * genoutput.c: Likewise.
        * genpreds.c: Likewise.
        * genrecog.c: Likewise.
        * rtl.h (read_skip_spaces, copy_rtx_ptr_loc, print_rtx_ptr_loc)
        (join_c_conditions, print_c_condition, read_rtx_filename)
        (read_rtx_lineno): Move to read-md.h.
        * read-rtl.c: Include read-md.h.
        (ptr_loc, string_obstack, ptr_locs, ptr_loc_obstack)
        (joined_conditions, joined_conditions_obstack, read_rtx_lineno)
        (read_rtx_filename, fatal_with_file_and_line, fatal_expected_char)
        (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc, get_rtx_ptr_loc)
        (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
        (print_c_condition, read_skip_spaces, read_escape, read_quoted_string)
        (read_braced_string, read_string): Move to read-md.c.
        (read_rtx): Move some initialization to init_md_reader and call
        init_md_reader here.
        * gensupport.h (message_with_line, n_comma_elts, scan_comma_elt):
        Move to read-md.h.
        * gensupport.c: Include read-md.h.
        (message_with_line, n_comma_elts, scan_comma_elt): Move to read-md.c.
        * read-md.h, read-md.c: New files.

2010-06-10  Anatoly Sokolov  <aesok@post.ru>

        * config/moxie/moxie.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
        LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
        * config/moxie/moxie-protos.h (moxie_function_value): Remove.
        * config/moxie/moxie.c (moxie_function_value): Make static.
        (moxie_libcall_value, moxie_function_value_regno_p): New functions.
        (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.

2010-06-10  Martin Jambor  <mjambor@suse.cz>

        * Makefile.in (tree-sra.o): Add DBGCNT_H to dependencies.
        * dbgcnt.def (tree_sra): New counter.
        * tree-sra.c: Include dbgcnt.h.
        (gate_intra_sra): Check tree_sra debug counter.

2010-06-10  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/44258
        * tree-sra.c (build_access_subtree): Return false iff there is a
        partial overlap.
        (build_access_trees): Likewise.
        (analyze_all_variable_accesses): Disqualify candidates if
        build_access_trees returns true for them.

2010-06-10  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41371
        * var-tracking.c (find_loc_in_1pdv): Remove recursion, only
        tail-recurse into canonical node.  Fast-forward over
        non-canonical VALUEs.

2010-06-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR boostrap/44470
        * config/i386/i386.md (*add<mode>_1): Revert revision 160394.
        (*addsi_1_zext) <TYPE_LEA>: Likewise.
        (add lea splitter): Likewise.
        (add_zext lea splitter): Likewise.

2010-06-10  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (fshow-column): Don't mark as C ObjC C++ ObjC++.

2010-06-10  Jan Hubicka  <jh@suse.cz>

        * df-problems.c (df_live_problem_data): Add live_bitmaps.
        (df_live_alloc): Initialize problem data and live_osbtacks.
        (df_live_finalize): Remove obstack, problem data; do not
        clear all bitmaps.
        (df_live_top_dump, df_live_bottom_dump): Do not dump old
        data when not allocated.
        (df_live_verify_solution_start): Do not allocate problem data.
        (df_live_verify_solution_end): Check if out is allocated.
        (struct df_md_problem_data): New structure.
        (df_md_alloc): Allocate problem data.
        (df_md_free): Free problem data; do not clear bitmaps.

2010-06-10  Jan Beulich  <jbeulich@novell.com>

        PR bootstrap/37304
        * configure.ac: Replace $() with ${} when intending to expand
        variables rather than invoking commands.
        * configure: Re-generate.

2010-06-10  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/44460
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove
        TYPE_NEEDS_CONSTRUCTING sanity check.

2010-06-10  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/include/fdl.texi: Move to GFDL version 1.3.

        * doc/cpp.texi: Move to GFDL version 1.3.
        * doc/gcc.texi: Move to GFDL version 1.3.  Fix copyright years.
        * doc/gccint.texi: Move to GFDL version 1.3.
        * doc/gcov.texi: Move to GFDL version 1.3.  Update copyright years.
        * doc/install.texi: Move to GFDL version 1.3.  Fix copyright years.
        * doc/invoke.texi: Move to GFDL version 1.3.

2010-06-09  Jan Hubicka  <jh@suse.cz>

        * ipa-pure-const.c (propagate_pure_const, propagate_noreturn):
        Break out from ...
        (propagate) ... here; swap the order.

2010-06-09  Jan Hubicka  <jh@suse.cz>

        * bitmap.c (bitmap_elt_insert_after, bitmap_first_set_bit,
        bitmap_first_set_bit, bitmap_last_set_bit, bitmap_last_set_bit,
        bitmap_and_into, bitmap_and_compl_into, bitmap_set_range,
        bitmap_compl_and_into, bitmap_elt_ior): Use checking asserts.

2010-06-09  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-ssa-loop-prefetch.c (gather_memory_references_ref):
        Do not the gather memory reference in the outer loop if the step
        is not a constant.

2010-06-09  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO) :
        Change the PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO threshold value from
        8 to 4.  Minor change of the related comments.

2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
        the scev analysis when the variable is not used outside the loop
        in a close phi node: call compute_overall_effect_of_inner_loop.

2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (single_pred_cond): Renamed
        single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
        (build_sese_conditions_before): Renamed call to single_pred_cond.
        (build_sese_conditions_after): Same.

2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.h: Fix comments and indentation.
        * graphite-sese-to-poly.c: Same.
        (build_sese_conditions_before): Compute stmt and gbb only when needed.
        * tree-chrec.c: Fix comments and indentation.
        (tree-ssa-loop-niter.c): Same.

2010-06-09  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/42461
        * dce.c (deletable_insn_p): Return true for const or pure calls again.
        * except.c (insn_could_throw_p): Return false if !flag_exceptions.

2010-06-09  Jan Hubicka  <jh@suse.cz>

        * bitmap.c (bitmap_and): Walk array forward.
        (bitmap_and_compl_into): Likewise.
        (bitmap_xor): Likewise.
        (bitmap_xor_into):  Likewise.
        (bitmap_equal_p): Likewise.
        (bitmap_intersect_p): Likewise.
        (bitmap_intersect_compl_p): Likewise.
        (bitmap_ior_and_into): Likewise.
        (bitmap_elt_copy): Likewise.
        (bitmap_and_compl): Likewise.
        (bitmap_elt_ior): Likewise.

2010-06-09  Dave Korn  <dave.korn.cygwin@gmail.com>

        * opts-common.c (prune_options): Ensure replacement argv array
        is correctly terminated by a NULL entry.

2010-06-09  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (varpool_first_static_initializer,
        varpool_next_static_initializer): Make checking only when
        checking enabled.
        * tree-vectorizer.h (vinfo_for_stmt): Remove check.
        (set_vinfo_for_stmt, get_earlier_stmt, is_loop_header_bb_p): Change
        gcc_assert to gcc_checking_assert.
        * tree-flow-inline.h (gimple_vop, get_var_ann, relink_imm_use,
        phi_nodes, set_phi_nodes, phi_arg_index_from_use, op_iter_next_use,
        op_iter_next_def, op_iter_next_tree, op_iter_init, op_iter_init_use,
        op_iter_init_phiuse, op_iter_init_phidef,
        array_ref_contains_indirect_ref, ref_contains_array_ref): Use
        gcc_checking_assert.
        * emit-rtl.h (set_first_insn, set_last_insn): Likewise.
        * tree-ssa-live.h (var_to_partition, var_to_partition_to_var,
        partition_is_global, live_on_entry, live_on_exit,
        live_merge_and_clear): Likewise.
        * system.h (gcc_checking_assert): New macro.
        * gimple.h (set_bb_seq): Use gcc_checking_assert.

2010-06-09  Jason Merrill  <jason@redhat.com>

        * Makefile.in (TAGS): Collect tags info from c-family.

2010-06-09  Jan Hubicka  <jh@suse.cz>

        * gimple.h (gcc_gimple_checking_assert): New macro.
        (gimple_set_def_ops, gimple_set_use_ops,
        gimple_set_vuse, gimple_set_vdef,
        gimple_omp_subcode, gimple_omp_set_subcode, gimple_ops, gimple_op,
        gimple_op_ptr, gimple_op_ptr, gimple_set_op, gimple_bind_set_block,
        gimple_asm_input_op, gimple_asm_input_op_ptr, gimple_asm_set_input_op,
        gimple_asm_output_op, gimple_asm_output_op_ptr,
        gimple_asm_set_output_op, gimple_asm_clobber_op,
        gimple_asm_set_clobber_op, gimple_asm_label_op,
        gimple_asm_set_label_op, gimple_try_set_kind,
        gimple_try_catch_is_cleanup, gimple_try_set_catch_is_cleanup,
        gimple_phi_arg, gimple_switch_num_labels, gimple_switch_set_index,
        gimple_switch_label, gimple_switch_set_label, gimple_omp_for_index,
        gimple_omp_for_index_ptr, gimple_omp_for_set_index,
        gimple_omp_for_initial, gimple_omp_for_initial_ptr,
        gimple_omp_for_set_initial, gimple_omp_for_final,
        gimple_omp_for_final_ptr, gimple_omp_for_set_final,
        gimple_omp_for_incr, gimple_omp_for_incr_ptr, gimple_omp_for_set_incr,
        gimple_omp_for_set_cond, gimple_omp_for_cond): Make checking
        conditional with ENABLE_GIMPLE_CHECKING.
        (gimple_phi_set_arg): Likewise; replace memcpy by assignment.

2010-06-09  Sandra Loosemore  <sandra@codesourcery.com>

        * tree-ssa-loop-ivopts.c (adjust_setup_cost): New function.
        (get_computation_cost_at): Use it.
        (determine_use_iv_cost_condition): Likewise.
        (determine_iv_cost): Likewise.

2010-06-09  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-loop-niter.c (simplify_replace_tree): Do not
        replace constants.

2010-06-09  Kai Tietz  <kai.tietz@onevision.com>

        * c-objc-common.c (c_tree_printer): Pre-intialize t by NULL_TREE.

2010-06-09  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/44423
        * tree-sra.c (dump_access): Dump also grp_assignment_read.
        (analyze_access_subtree): Pass negative allow_replacements to children
        if the current type is scalar.

2010-06-09  Joern Rennecke  <amylaar@spamcop.net>

        PR testsuite/42843
        * gcc-plugin.h (int plugin_is_GPL_compatible): Declare as extern "C".
        * doc/plugins.texi (Plugin license check): Update information
        on type of plugin_is_GPL_compatible.
        * Makefile.in (PLUGINCC): Define as $(COMPILER).
        (PLUGINCFLAGS): Define as $(COMPILER_FLAGS).

2010-06-09  Bernd Schmidt  <bernds@codesourcery.com>

        * config/arm/arm.c (thumb2_reorg): New function.
        (arm_reorg): Call it.
        * config/arm/thumb2.md (define_peephole2 for flag clobbering
        arithmetic operations): Delete.

2010-06-09  Edmar Wienskoski  <edmar@freescale.com>

        PR target/44067
        * config/rs6000/rs6000.md (DIFD): Do not split dpfp values for
        e500v2 target.

2010-06-09  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR plugins/44459
        * gcc-plugin.h: Encapsulate all declarations in extern "C".

2010-06-08  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (single_succ_edge, single_pred_edge, ei_container,
        ei_next, ei_prev): Do sanity checking with ENABLE_CHECKING only.

2010-06-08  Sandra Loosemore  <sandra@codesourcery.com>

        PR tree-optimization/39874
        PR middle-end/28685
        * gimple.h (maybe_fold_and_comparisons, maybe_fold_or_comparisons):
        Declare.
        * gimple-fold.c (canonicalize_bool, same_bool_comparison_p,
        same_bool_result_p): New.
        (and_var_with_comparison, and_var_with_comparison_1,
        and_comparisons_1, and_comparisons, maybe_fold_and_comparisons): New.
        (or_var_with_comparison, or_var_with_comparison_1,
        or_comparisons_1, or_comparisons, maybe_fold_or_comparisons): New.
        * tree-ssa-reassoc.c (eliminate_redundant_comparison): Use
        maybe_fold_and_comparisons or maybe_fold_or_comparisons instead
        of combine_comparisons.
        * tree-ssa-ifcombine.c (ifcombine_ifandif, ifcombine_iforif): Likewise.

2010-06-08  Anatoly Sokolov  <aesok@post.ru>

        * config/pdp11/pdp11.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
        LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
        * config/pdp11/pdp11.c (pdp11_function_value, pdp11_libcall_value,
        pdp11_function_value_regno_p): New functions.
        (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
        TARGET_FUNCTION_VALUE_REGNO_P): Define.

2010-06-08  Kazu Hirata  <kazu@codesourcery.com>

        * config/arm/arm.c (arm_rtx_costs_1): Don't special case for
        Thumb-2 in the MINUS case.

2010-06-08  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * doc/tm.texi (Per-Function Data): Do not reference ggc_alloc.

        * doc/gty.texi (GTY Options): Document typed GC allocation and
        variable_size GTY option.

        * ggc-internal.h: New.

        * ggc.h: Update copyright year.
        (digit_string): Move to stringpool.c.
        (ggc_mark_stringpool, ggc_purge_stringpool, ggc_mark_roots)
        (gt_pch_save_stringpool, gt_pch_fixup_stringpool)
        (gt_pach_restore_stringpool, gt_pch_p_S, gt_pch_note_object)
        (init_ggc_pch, ggc_pch_count_object, ggc_pch_total_size)
        (ggc_pch_this_base, ggc_pch_alloc_object, ggc_pch_prepare_write)
        (ggc_pch_write_object, ggc_pch_finish, ggc_pch_read)
        (ggc_force_collect, ggc_get_size, ggc_statistics)
        (ggc_print_common_statistics): Move to ggc-internal.h.
        (digit_vector, new_ggc_zone, destroy_ggc_zone, ggc_alloc_stat)
        (ggc_alloc, ggc_alloc_cleared, ggc_realloc, ggc_calloc, GGC_NEW)
        (GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR, ggc_alloc_rtvec)
        (ggc_alloc_tree, gt_pch_save, ggc_min_expand_heuristic)
        (ggc_min_heapsize_heuristic, ggc_alloc_zone)
        (ggc_alloc_zone_pass_stat): Remove.
        (ggc_internal_alloc_stat, ggc_internal_alloc)
        (ggc_internal_cleared_alloc_stat): New.
        (GGC_RESIZEVEC, GGC_RESIZEVAR): Redefine.
        (ggc_internal_vec_alloc_stat)
        (ggc_internal_cleared_vec_alloc_stat)
        (ggc_internal_vec_alloc_stat, ggc_internal_cleared_vec_alloc)
        (ggc_alloc_atomic_stat, ggc_alloc_atomic)
        (ggc_alloc_cleared_atomic, ggc_cleared_alloc_htab_ignore_args)
        (ggc_cleared_alloc_ptr_array_two_args): New.
        (htab_create_ggc, splay_tree_new_ggc): Redefine.
        (ggc_splay_alloc): Change the type of the first argument to
        enum gt_types_enum.
        (ggc_alloc_string): Make macro.
        (ggc_alloc_string_stat): New.
        (ggc_strdup): Redefine.
        (rtl_zone, tree_zone, tree_id_zone): Declare unconditionally.
        (ggc_alloc_rtvec_sized): New.
        (ggc_alloc_zone_stat): Rename to ggc_internal_alloc_zone_stat.
        (ggc_internal_alloc_zone_pass_stat, ggc_internal_alloc_zone_stat)
        (ggc_internal_cleared_alloc_zone_stat)
        (ggc_internal_zone_alloc_stat)
        (ggc_internal_zone_cleared_alloc_stat)
        (ggc_internal_zone_vec_alloc_stat)
        (ggc_alloc_zone_rtx_def_stat)
        (ggc_alloc_zone_tree_node_stat)
        (ggc_alloc_zone_cleared_tree_node_stat)
        (ggc_alloc_cleared_gimple_statement_d_stat): New.

        * ggc-common.c: Include ggc-internal.h.
        (ggc_internal_cleared_alloc_stat): Rename from
        ggc_alloc_cleared_stat.
        (ggc_realloc_stat): Use ggc_internal_alloc_stat.
        (ggc_calloc): Remove.
        (ggc_cleared_alloc_htab_ignore_args): New.
        (ggc_cleared_alloc_ptr_array_two_args): New.
        (ggc_splay_alloc): Add obj_type parameter.
        (init_ggc_heuristics): Formatting fixes.

        * ggc-none.c: Update copyright year.
        (ggc_alloc_stat): Rename to ggc_alloc_stat.
        (ggc_alloc_cleared_stat): Rename to
        ggc_internal_cleared_alloc_stat.
        (struct alloc_zone, rtl_zone, tree_zone, tree_id_zone): New.

        * ggc-page.c: Update copyright year.  Include ggc-internal.h.
        Remove references to ggc_alloc in comments.
        (ggc_alloc_typed_stat): Call ggc_internal_alloc_stat.
        (ggc_alloc_stat): Rename to ggc_internal_alloc_stat.
        (new_ggc_zone, destroy_ggc_zone): Remove.
        (struct alloc_zone, rtl_zone, tree_zone, tree_id_zone): New.

        * ggc-zone.c: Include ggc-internal.h.  Remove references to
        ggc_alloc in comments.
        (ggc_alloc_zone_stat): ggc_internal_alloc_zone_stat.
        (ggc_internal_alloc_zone_pass_stat): New.
        (ggc_internal_cleared_alloc_zone_stat): New.
        (ggc_alloc_typed_stat): Use ggc_internal_alloc_zone_pass_stat.
        (ggc_alloc_stat): Rename ggc_internal_alloc_stat.
        (new_ggc_zone, destroy_ggc_zone): Remove.

        * stringpool.c: Update copyright year.  Include ggc-internal.h
        (digit_vector): Make static.
        (digit_string): Moved from ggc.h.
        (stringpool_ggc_alloc): Use ggc_alloc_atomic.
        (ggc_alloc_string): Rename to ggc_alloc_string_stat.

        * Makefile.in (GGC_INTERNAL_H): New.
        (ggc_common.o, ggc-page.o, ggc-zone.o, stringpool.o): Add
        $(GGC_INTERNAL_H) to dependencies.

        * gentype.c: Update copyright year.
        (walk_type): Accept variable_size GTY option.
        (USED_BY_TYPED_GC_P): New macro.
        (write_enum_defn): Use USED_BY_TYPED_GC_P.  Do not output
        whitespace at the end of strings.
        (get_type_specifier, variable_size_p): New functions.
        (alloc_quantity, alloc_zone): New enums.
        (write_typed_alloc_def): New function.
        (write_typed_struct_alloc_def): Likewise.
        (write_typed_typed_typedef_alloc_def): Likewise.
        (write_typed_alloc_defns): Likewise.
        (output_typename, write_splay_tree_allocator_def): Likewise.
        (write_splay_tree_allocators): Likewise.
        (main): Call write_typed_alloc_defns and
        write_splay_tree_allocators.

        * lto-streamer.h (lto_file_decl_data_ptr): New.

        * passes.c (order): Define using cgraph_node_ptr.

        * strinpool.c (struct string_pool_data): Declare nested_ptr using
        ht_identifier_ptr.

        * gimple.h (union gimple_statement_d): Likewise.

        * rtl.h (struct rtx_def): Likewise.
        (struct rtvec_def): Likewise.

        * tree.h (union tree_node): Likewise.

        * tree-ssa-operands.h (struct ssa_operand_memory_d): Likewise.

        * cfgloop.c (record_loop_exits): Use htab_create_ggc.

        * tree-scalar-evolution.c (scev_initialize): Likewise.

        * alias.c (record_alias_subset): Update splay_tree_new_ggc call.

        * dwarf2asm.c (dw2_force_const_mem): Likewise.

        * omp-low.c (lower_omp_critical): Likewise.

        * bitmap.h (struct bitmap_head_def): Update comment to not
        reference ggc_alloc.

        * config/pa/pa.c (get_deferred_label): Use GGC_RESIZEVEC.

        * ira.c (fix_reg_equiv_init): Use GGC_RESIZEVEC.

        * ipa-prop.c (duplicate_ggc_array): Rename to
        duplicate_ipa_jump_func_array.  Use typed GC allocation.
        (ipa_edge_duplication_hook): Call duplicate_ipa_jump_func_array.

        * gimple.c (gimple_alloc_stat): Use
        ggc_alloc_cleared_gimple_statement_d_stat.

        * varasm.c (create_block_symbol): Use ggc_alloc_zone_rtx_def.

        * tree.c (make_node_stat): Use
        ggc_alloc_zone_cleared_tree_node_stat.
        (make_tree_vec_stat): Likewise.
        (build_vl_exp_stat): Likewise.
        (copy_node_stat): Use ggc_alloc_zone_tree_node_stat.
        (make_tree_binfo_stat): Likewise.
        (tree_cons_stat): Likewise.

        * rtl.c (rtx_alloc_stat): Use ggc_alloc_zone_rtx_def_stat.
        (shallow_copy_rtx_stat): Likewise.
        (make_node_stat): Likewise.

        * lto-symtab.c: Fix comment.

        * tree-cfg.c (create_bb): Update comment to not reference
        ggc_alloc_cleared.
        * tree-ssa-structalias.c (struct heapvar_for_stmt): Fix param_is value.

        * varpool.c (varpool_node): Use typed GC allocation.
        (varpool_extra_name_alias): Likewise.

        * varasm.c (emutls_decl): Likewise.
        (get_unnamed_section): Likewise.
        (get_noswitch_section): Likewise.
        (get_section): Likewise.
        (get_block_for_section): Likewise.
        (build_constant_desc): Likewise.
        (create_constant_pool): Likewise.
        (force_const_mem): Likewise.

        * tree.c (build_vl_exp_stat): Likewise.
        (build_real): Likewise.
        (build_string): Likewise.
        (decl_debug_expr_insert): Likewise.
        (decl_value_expr_insert): Likewise.
        (type_hash_add): Likewise.
        (build_omp_clause): Likewise.

        * tree-ssanames.c (duplicate_ssa_name_ptr_info): Likewise.

        * tree-ssa.c (init_tree_ssa): Likewise.

        * tree-ssa-structalias.c (heapvar_insert): Likewise.

        * tree-ssa-operands.c (ssa_operand_alloc): Likewise.

        * tree-ssa-loop-niter.c (record_estimate): Likewise.

        * tree-ssa-alias.c (get_ptr_info): Likewise.

        * tree-scalar-evolution.c (new_scev_info_str): Likewise.

        * tree-phinodes.c (allocate_phi_node): Likewise.

        * tree-iterator.c (tsi_link_before): Likewise.
        (tsi_link_after): Likewise.

        * tree-eh.c (add_stmt_to_eh_lp_fn): Likewise.

        * tree-dfa.c (create_var_ann): Likewise.

        * tree-cfg.c (create_bb): Likewise.

        * toplev.c (alloc_for_identifier_to_locale): Likewise.
        (general_init): Likewise.

        * stringpool.c (stringpool_ggc_alloc): Likewise.
        (gt_pch_save_stringpool): Likewise.

        * sese.c (if_region_set_false_region): Likewise.

        * passes.c (do_per_function_toporder): Likewise.

        * optabs.c (set_optab_libfunc): Likewise.
        (set_conv_libfunc): Likewise.

        * lto-symtab.c (lto_symtab_register_decl): Likewise.

        * lto-streamer-in.c (lto_input_eh_catch_list): Likewise.
        (input_eh_region): Likewise.
        (input_eh_lp): Likewise.
        (make_new_block): Likewise.
        (unpack_ts_real_cst_value_fields): Likewise.

        * lto-section-in.c (lto_new_in_decl_state): Likewise.

        * lto-cgraph.c (input_node_opt_summary): Likewise.

        * loop-init.c (loop_optimizer_init): Likewise.

        * lambda.h (lambda_vector_new): Likewise.

        * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.

        * ira.c (update_equiv_regs): Likewise.

        * ipa.c (cgraph_node_set_new): Likewise.
        (cgraph_node_set_add): Likewise.
        (varpool_node_set_new): Likewise.
        (varpool_node_set_add): Likewise.

        * ipa-prop.c (ipa_compute_jump_functions_for_edge): Likewise.
        (duplicate_ipa_jump_func_array): Likewise.
        (ipa_read_node_info): Likewise.

        * ipa-cp.c (ipcp_create_replace_map): Likewise.

        * integrate.c (get_hard_reg_initial_val): Likewise.

        * gimple.c (gimple_alloc_stat): Likewise.
        (gimple_build_omp_for): Likewise.
        (gimple_seq_alloc): Likewise.
        (gimple_copy): Likewise.

        * gimple-iterator.c (gsi_insert_before_without_update): Likewise.
        (gsi_insert_after_without_update): Likewise.

        * function.c (add_frame_space): Likewise.
        (insert_temp_slot_address): Likewise.
        (assign_stack_temp_for_type): Likewise.
        (allocate_struct_function): Likewise.
        (types_used_by_var_decl_insert): Likewise.

        * except.c (init_eh_for_function): Likewise.
        (gen_eh_region): Likewise.
        (gen_eh_region_catch): Likewise.
        (gen_eh_landing_pad): Likewise.
        (add_call_site): Likewise.

        * emit-rtl.c (get_mem_attrs): Likewise.
        (get_reg_attrs): Likewise.
        (start_sequence): Likewise.
        (init_emit): Likewise.

        * dwarf2out.c (new_cfi): Likewise.
        (queue_reg_save): Likewise.
        (dwarf2out_frame_init): Likewise.
        (new_loc_descr): Likewise.
        (find_AT_string): Likewise.
        (new_die): Likewise.
        (add_var_loc_to_decl): Likewise.
        (clone_die): Likewise.
        (clone_as_declaration): Likewise.
        (break_out_comdat_types): Likewise.
        (new_loc_list): Likewise.
        (loc_descriptor): Likewise.
        (add_loc_descr_to_each): Likewise.
        (add_const_value_attribute): Likewise.
        (tree_add_const_value_attribute): Likewise.
        (add_comp_dir_attribute): Likewise.
        (add_name_and_src_coords_attributes): Likewise.
        (lookup_filename): Likewise.
        (store_vcall_insn): Likewise.
        (dwarf2out_init): Likewise.

        * dbxout.c (dbxout_init): Likewise.

        * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.

        * config/sparc/sparc.c (sparc_init_machine_status): Likewise.

        * config/score/score7.c (score7_output_external): Likewise.

        * config/score/score3.c (score3_output_external): Likewise.

        * config/s390/s390.c (s390_init_machine_status): Likewise.

        * config/rs6000/rs6000.c (builtin_function_type): Likewise.
        (rs6000_init_machine_status): Likewise.
        (output_toc): Likewise.

        * config/pa/pa.c (pa_init_machine_status): Likewise.
        (get_deferred_plabel): Likewise.

        * config/moxie/moxie.c (moxie_init_machine_status): Likewise.

        * config/mmix/mmix.c (mmix_init_machine_status): Likewise.

        * config/mips/mips.c (mflip_mips16_use_mips16_p): Likewise.

        * config/mep/mep.c (mep_init_machine_status): Likewise.
        (mep_note_pragma_flag): Likewise.

        * config/m32c/m32c.c (m32c_init_machine_status): Likewise.

        * config/iq2000/iq2000.c (iq2000_init_machine_status): Likewise.

        * config/ia64/ia64.c (ia64_init_machine_status): Likewise.

        * config/i386/winnt.c (i386_pe_record_external_function): Likewise.
        (i386_pe_maybe_record_exported_symbol): Likewise.

        * config/i386/i386.c (get_dllimport_decl): Likewise.
        (ix86_init_machine_status): Likewise.
        (assign_386_stack_local): Likewise.

        * config/frv/frv.c (frv_init_machine_status): Likewise.

        * config/darwin.c (machopic_indirection_name): Likewise.

        * config/cris/cris.c (cris_init_machine_status): Likewise.

        * config/bfin/bfin.c (bfin_init_machine_status): Likewise.

        * config/avr/avr.c (avr_init_machine_status): Likewise.

        * config/arm/arm.c (arm_init_machine_status): Likewise.

        * config/alpha/alpha.c (alpha_init_machine_status): Likewise.
        (alpha_need_linkage): Likewise.
        (alpha_use_linkage): Likewise.

        * cgraph.c (cgraph_allocate_node): Likewise.
        (cgraph_create_edge_1): Likewise.
        (cgraph_create_indirect_edge): Likewise.
        (cgraph_add_asm_node): Likewise.

        * cfgrtl.c (init_rtl_bb_info): Likewise.

        * cfgloop.c (alloc_loop): Likewise.
        (rescan_loop_exit): Likewise.

        * cfg.c (init_flow): Likewise.
        (alloc_block): Likewise.
        (unchecked_make_edge): Likewise.

        * c-parser.c (c_parse_init): Likewise.
        (c_parse_file): Likewise.

        * c-decl.c (bind): Likewise.
        (record_inline_static): Likewise.
        (push_scope): Likewise.
        (make_label): Likewise.
        (lookup_label_for_goto): Likewise.
        (finish_struct): Likewise.
        (finish_enum): Likewise.
        (c_push_function_context): Likewise.

        * bitmap.c (bitmap_element_allocate): Likewise.
        (bitmap_gc_alloc_stat): Likewise.

        * alias.c (record_alias_subset): Likewise.
        (init_alias_analysis): Likewise.

2010-06-08  Shujing Zhao  <pearly.zhao@oracle.com>

        * fold-const.c (fold_comparison): Remove redundant parenthesis.
        * tree-inline.c (expand_call_inline): Pass translated return value of
        cgraph_inline_failed_string to diagnostic function.

2010-06-08  Andrew Pinski <pinskia@gmail.com>
            Shujing Zhao  <pearly.zhao@oracle.com>

        PR c/37724
        * c-typeck.c (convert_for_assignment): Call pedwarn_init if the
        implicit bad conversions is initialization.
        (error_init): Use gmsgid instead of msgid for argument name and change
        the call for error.
        (pedwarn_init): Use gmsgid instead of msgid for argument name and
        change the call for pedwarn.
        (warning_init): Use gmsgid instead of msgid for argument name and
        change the call for warning.

2010-06-07  Nathan Froyd  <froydnj@codesourcery.com>

        * config/mips/mips-protos.h (mips_print_operand): Delete.
        (mips_print_operand_address): Delete.
        * config/mips/mips.h (mips_print_operand_punct): Delete.
        (PRINT_OPERAND): Delete.
        (PRINT_OPERAND_PUNCT_VALID_P): Delete.
        (PRINT_OPERAND_ADDRESS): Delete.
        * config/mips/mips.c (mips_print_operand_punct): Make static.
        (mips_print_operand_address): Make static.
        (mips_print_operand): Make static.  Call
        mips_print_operand_punct_valid_p.
        (mips_print_operand_punct_valid_p): New function.
        (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
        (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.

2010-06-07  Jan Hubicka  <jh@suse.cz>

        PR middle-end/44454
        (df_lr_top_dump, df_lr_bottom_dump): Check that in/out bitmaps
        are allocated.

2010-06-07  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_build_builtin_va_list): Set tree type
        name of RECORD.

2010-06-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/sourcebuild.texi (Effective-Target Keywords, Other
        attributes): Document gas.

2010-06-07  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*add<mode>_1): Remove alternative 2.
        <TYPE_LEA>: Split instruction.
        <default>: Remove alternative 2 handling.
        (*addsi_1_zext) <TYPE_LEA>: Split instruction.
        (add lea splitter): Generate SImode lea for mode sizes <= SImode.
        (add_zext lea splitter): Use ix86_lea_for_add_ok in insn predicate.

        (*movsi_1) <TYPE_LEA>: Use %a modifier to output operand 1.
        (ashift_zext lea splitter): Use DImode for multiplication.

        * config/i386/i386.c (ix86_expand_epilogue): Do not use ix86_gen_add
        to generate addition.

2010-06-07  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (fira-verbose): Use Var.
        (fpcc-struct-return): Use Init instead of VarExists.
        * defaults.h (DEFAULT_PCC_STRUCT_RETURN): Move definition from
        toplev.c.
        * flags.h (flag_signed_char, flag_short_enums,
        flag_pcc_struct_return, flag_ira_verbose,
        flag_detailed_statistics, flag_remove_unreachable_functions): Remove.
        * toplev.c (flag_detailed_statistics, flag_signed_char,
        flag_short_enums, flag_pcc_struct_return, flag_ira_verbose): Remove.
        (DEFAULT_PCC_STRUCT_RETURN): Move definition to defaults.h.
        * toplev.h (flag_crossjumping, flag_if_conversion,
        flag_if_conversion2, flag_keep_static_consts, flag_peel_loops,
        flag_rerun_cse_after_loop, flag_thread_jumps, flag_tracer,
        flag_unroll_loops, flag_unroll_all_loops, flag_unswitch_loops,
        flag_cprop_registers, time_report, flag_ira_loop_pressure,
        flag_ira_coalesce, flag_ira_move_spills,
        flag_ira_share_save_slots, flag_ira_share_spill_slots): Remove.

2010-06-07  Jan Hubicka  <jh@suse.cz>

        * df-core.c (df_analyze_problem): Do verification after allocation.

        * df-problems.c (df_lr_problem_data): Add lr_bitmaps.
        (df_lr_alloc): Initialize problem data; move bitmaps to
        lr_bitmaps obstack.
        (df_lr_finalize): Free problem data; do not bother to free bitmaps.
        (df_lr_verify_solution_start): Do not initialize problem data;
        allocate bitmaps in lr_bitmaps.
        (df_lr_verify_solution_end): Do not free problem data.

2010-06-07  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_edge_cannot_lead_to_return): Also check
        if caller is noreturn.
        * ipa-reference.c (analyze_function): Use ipa_ref_cannot_lead_to_return
        * ipa-ref.h (ipa_ref_cannot_lead_to_return): New function.
        * ipa-ref.c (ipa_ref_cannot_lead_to_return): New function.
        * ipa-pure-const.c (check_decl): Add IPA parameter.
        (state_from_flags): New function.
        (better_state, worse_state): New functions.
        (check_call): When in IPA mode, do not care about callees.
        (check_load, check_store): Update.
        (check_ipa_load, check_ipa_store): New.
        (check_stmt): When in IPA mode, use IPA checkers.
        (analyze_function): Use state_from_flags.
        (propagate): Check indirect edges and references.

2010-06-07  Kazu Hirata  <kazu@codesourcery.com>

        PR rtl-optimization/44404
        * auto-inc-dec.c (find_inc): Use reg_overlap_mentioned_p instead
        of count_occurrences to see if it's safe to modify mem_insn.

2010-06-07  Richard Guenther  <rguenther@suse.de>

        * gimplify.c (gimplify_cleanup_point_expr): For empty body
        and EH-only cleanup drop the cleanup instead of inserting it
        unconditionally.

2010-06-07  Ira Rosen  <irar@il.ibm.com>

        * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Update
        documentation.
        * targhooks.c (default_builtin_vectorization_cost): New function.
        * targhooks.h (default_builtin_vectorization_cost): Declare.
        * target.h (enum vect_cost_for_stmt): Define.
        (builtin_vectorization_cost): Change argument and comment.
        * tree-vectorizer.h: Remove cost model macros.
        * tree-vect-loop.c: Include target.h.
        (vect_get_cost): New function.
        (vect_estimate_min_profitable_iters): Replace cost model macros with
        calls to vect_get_cost.
        (vect_model_reduction_cost, vect_model_induction_cost): Likewise.
        * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Add
        default implementation.
        * tree-vect-stmts.c (cost_for_stmt): Replace cost model macros with
        calls to target hook builtin_vectorization_cost.
        (vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost):
        Likewise.
        * Makefile.in (tree-vect-loop.o): Add dependency on TARGET_H.
        * config/spu/spu.c (spu_builtin_vectorization_cost): Replace with new
        implementation to return costs.
        * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
        * config/spu/spu.h: Remove vectorizer cost model macros.
        * config/i386/i386.h: Likewise.
        * tree-vect-slp.c (vect_build_slp_tree): Replace cost model macro with
        a call to target hook builtin_vectorization_cost.

2010-06-06  Sriraman Tallam  <tmsriram@google.com>

        PR target/44319
        * config/i386/i386.c (override_options): Turn zee pass on for level 2
        and above and defer till target is known.
        (optimization_options): Turn on zee pass if TARGET_64BIT is set and
        turn off otherwise.

2010-05-25  Jan Hubicka  <jh@suse.cz>

        * df-core.c (df_set_blocks): Use bitmap_head instead of bitmap.
        (df_compact_blocks): Likewise.
        * df.h (struct df): Turn hardware_regs_used,
        regular_block_artificial_uses, eh_block_artificial_uses,
        insns_to_delete, insns_to_rescan, insns_to_notes_rescan into
        bitmap_head.
        * df-problems.c (df_lr_local_compute, df_lr_confluence_0,
        df_byte_lr_alloc, df_simulate_fixup_sets): Update.
        * df-scan.c (df_scan_free_internal, df_scan_alloc, df_scan_start_dump,
        df_scan_blocks, df_insn_delete, df_insn_rescan,
        df_insn_rescan_debug_internal, df_insn_rescan_all,
        df_process_deferred_rescans, df_process_deferred_rescans,
        df_notes_rescan, df_get_call_refs, df_get_call_refs,
        regs_invalidated_by_call_regset, df_get_call_refs, df_bb_refs_collect,
        df_record_entry_block_defs, df_record_exit_block_uses,
        df_update_exit_block_uses, df_bb_verify, df_entry_block_bitmap_verify,
        df_scan_verify): Update.

2010-05-25  Dodji Seketeli  <dodji@redhat.com>

        PR c++/44188
        * c-common.c (is_typedef_decl): Move this definition ...
        * tree.c (is_typedef_decl): ... here.
        (typdef_variant_p): Move definition here from gcc/cp/tree.c.
        * c-common.h (is_typedef_decl): Move this declaration ...
        * tree.h (is_typedef_decl): ... here.
        (typedef_variant_p): Move declaration here from gcc/cp/cp-tree.h
        * dwarf2out.c (is_naming_typedef_decl): New function.
        (gen_tagged_type_die): Split out of ...
        (gen_type_die_with_usage): ... this function. When an anonymous
        tagged type is named by a typedef, make sure a DW_TAG_typedef DIE
        is emitted for the typedef.
        (gen_typedef_die): Emit DW_TAG_typedef also for typedefs naming
        anonymous tagged types.

2010-06-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/20000
        * c-decl.c (grokdeclarator): Delete warning.

2010-06-06  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (self_referential_size): Set UNKNOWN_LOCATION on the
        newly built CALL_EXPR.
        * tree-profile.c (tree_profiling): Don't profile functions produced
        for built-in stuff.

2010-06-06  Segher Boessenkool  <segher@kernel.crashing.org>

        PR bootstrap/44427
        PR bootstrap/44428
        * genautomata.c (SET_BIT, CLEAR_BIT, TEST_BIT): Make these macros
        endianness-independent.

2010-06-05  Steven Bosscher  <steven@gcc.gnu.org>

        * c-common.c: Move to c-family/.
        * c-common.def: Likewise.
        * c-common.h: Likewise.
        * c-cppbuiltin.c: Likewise.
        * c-dump.c: Likewise.
        * c-format.c: Likewise.
        * c-format.h : Likewise.
        * c-gimplify.c: Likewise.
        * c-lex.c: Likewise.
        * c-omp.c: Likewise.
        * c.opt: Likewise.
        * c-opts.c: Likewise.
        * c-pch.c: Likewise.
        * c-ppoutput.c: Likewise.
        * c-pragma.c: Likewise.
        * c-pragma.h: Likewise.
        * c-pretty-print.c: Likewise.
        * c-pretty-print.h: Likewise.
        * c-semantics.c: Likewise.
        * stub-objc.c: Likewise.

        * gengtype.c (get_file_langdir): Special-case files in c-family/.
        (get_output_file_with_visibility): Fix name for c-common.h.
        * c-config-lang.in: Update paths in gtfiles for files in c-family/.

        * c-tree.h: Update include path for moved files.
        * c-lang.c: Likewise.
        * c-lang.h: Likewise.
        * c-parser.c: Likewise.
        * c-convert.c: Likewise.
        * c-decl.c: Likewise.
        * c-objc-common.c: Likewise.
        * configure.ac: Make sure c-family/ exists in the build directory.
        * configure: Regenerate.
        * Makefile.in: Update paths for moved files.  Regroup files per
        location and update dependencies.  Move generated_files down after
        ALL_GTFILES_H.

        * config/spu/spu-c.c: Update paths for moved files.
        * config/mep/mep-pragma.c: Likewise.
        * config/darwin-c.c: Likewise.
        * config/i386/msformat-c.c: Likewise.
        * config/i386/i386-c.c: Likewise.
        * config/avr/avr-c.c: Likewise.
        * config/sol2-c.c: Likewise.
        * config/ia64/ia64-c.c: Likewise.
        * config/rs6000/rs6000-c.c: Likewise.
        * config/arm/arm.c: Likewise.
        * config/arm/arm-c.c: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/v850/v850-c.c: Likewise.

        * config/t-darwin: Fix dependencies for moved files.
        * config/t-sol2: Fix dependencies for moved files.
        * config/mep/t-mep: Fix dependencies for moved files.
        * config/ia64/t-ia64: Fix dependencies for moved files.
        * config/rs6000/t-rs6000: Fix dependencies for moved files.
        * config/v850/t-v850: Fix dependencies for moved files.
        * config/v850/t-v850e: Fix dependencies for moved files.

        * config/m32c/m32c-pragma.c

        * po/exgettext: Look in c-family/ also.

2010-06-05  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-dce.c (mark_last_stmt_necessary): New function.
        (mark_control_dependent_edges_necessary): Call it instead of marking
        the last statement manually.
        (propagate_necessity): Likewise.

2010-06-05  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (compute_dominance_frontiers): Updated.
        (compute_idf): Likewise.

        * tree-into-ssa.c (insert_phi_nodes): Use bitmap heads
        for dominance frontiers.
        (rewrite_into_ssa): Update for bitmap heads in dominance frontiers.
        (insert_updated_phi_nodes_for): Likewise.
        (update_ssa): Likewise.
        * cfganal.c (compute_dominance_frontiers_1): Likewise.
        (compute_dominance_frontiers): Likewise.
        (compute_idf): Likewise.
        * df-problems.c (df_md_local_compute): Likewise.

2010-06-05  Anatoly Sokolov  <aesok@post.ru>

        * target.h (struct gcc_target): Add memory_move_cost field.
        * target-def.h (TARGET_MEMORY_MOVE_COST): New.
        (TARGET_INITIALIZER): Use TARGET_MEMORY_MOVE_COST.
        * targhooks.c (default_memory_move_cost): New function.
        * targhooks.h (default_memory_move_cost): Declare function.
        * reload.h (memory_move_cost): Declare.
        (memory_move_secondary_cost): Change type of 'in' argument to bool.
        * reginfo.c (memory_move_cost): New function.
        (memory_move_secondary_cost): Change type of 'in' argument to bool.
        * ira.h (ira_memory_move_cost): Update comment.
        * ira.c: (ira_memory_move_cost): Update comment.
        (setup_class_subset_and_memory_move_costs): Replace MEMORY_MOVE_COST
        with memory_move_cost.
        * postreload.c (reload_cse_simplify_set): (Ditto.).
        * reload1.c (choose_reload_regs): (Ditto.).
        * doc/tm.texi (TARGET_MEMORY_MOVE_COST): New.
        (MEMORY_MOVE_COST):  Revise documentation.

        * config/i386/i386.h (MEMORY_MOVE_COST): Remove macro.
        * config/i386/i386-protos.h (int ix86_memory_move_cost): Remove.
        * config/i386/i386.h (ix86_memory_move_cost): Make static. Change
        type of 'in' argument to bool.
        (TARGET_MEMORY_MOVE_COST): Define.

2010-06-05  Jan Hubicka  <jh@suse.cz>

        * ipa-pure-const.c (propagate): Fix typo in handling of functions
        that cannot return.  Be more careful when merging the results with
        previously known ones.

2010-06-05  Matthias Klose  <doko@ubuntu.com>

        * gcc.c (cc1_options, cpp_unique_options): Use find-plugindir spec
        function to add the -iplugindir option.
        (find_plugindir_spec_function): Add new declaration and function.
        (static_spec_func): Use it for "find-plugindir".

2010-06-05  Jakub Jelinek  <jakub@redhat.com>

        PR c++/44361
        * c-typeck.c (mark_exp_read): Handle C_MAYBE_CONST_EXPR.
        * c-parser.c (c_parser_postfix_expression): Call mark_exp_read on
        statement expression.

2010-06-05  Jan Hubicka  <jh@suse.cz>

        * df-problems.c (seen_in_block, seen_in_insn): Convert to bitmap_head.
        (df_rd_problem_data): Convert sparse_invalidated_by_call,
        dense_invalidated_by_call to bitmap head.
        (df_rd_alloc, df_rd_bb_local_compute_process_def,
        df_rd_bb_local_compute, df_rd_confluence_n, df_rd_transfer_function,
        df_rd_start_dump, df_lr_verify_transfer_functions,
        df_live_verify_transfer_functions, df_chain_create_bb,
        df_chain_add_problem, df_byte_lr_check_regs, df_byte_lr_alloc,
        df_byte_lr_confluence_0, df_byte_lr_confluence_n, df_note_compute,
        df_simulate_one_insn_forwards, df_md_alloc,
        df_md_bb_local_compute_process_def,
        df_md_bb_local_compute_process_def, df_md_local_compute,
        df_md_transfer_function df_md_free): Update.

2010-06-05  Joseph Myers  <joseph@codesourcery.com>

        PR c/44322
        * c-typeck.c (build_unary_op): Merge qualifiers into pointer
        target type for ADDR_EXPR; require no changes to qualifiers except
        for function types.
        * c-tree.h (c_build_type_variant): Remove.

2010-06-05  Segher Boessenkool  <segher@kernel.crashing.org>

        * genautomata.c (get_excl_set): Do work per element, not per char.
        (check_presence_pattern_sets): Similar.
        (check_absence_pattern_sets): Similar.

2010-06-05  Segher Boessenkool  <segher@kernel.crashing.org>

        * genautomata.c (curr_state_pass_num): Delete.
        (min_issue_delay_pass_states): Delete.
        (min_issue_delay): Delete.
        (initiate_min_issue_delay_pass_states): Delete.
        (output_min_issue_delay_table): Compute min_issue_delay_vect
        using a breadth-first search variant.
        (output_tables): Don't call initiate_min_issue_delay_pass_states.

2010-06-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR boostrap/44421
        * df-problems.c (df_lr_bb_local_compute): Updated for embedded bitmaps.
        (df_byte_lr_bb_local_compute): Likewise.

2010-06-03  Jason Merrill  <jason@redhat.com>

        Implement noexcept operator (5.3.7)
        * c-common.c (c_common_reswords): Add noexcept.
        * c-common.h (enum rid): Add RID_NOEXCEPT.

2010-06-04  Joseph Myers  <joseph@codesourcery.com>

        * config/darwin-driver.c (darwin_default_min_version): Use
        GCC-specific formats in diagnostics.
        * cppspec.c (lang_specific_driver): Use GCC-specific formats in
        diagnostics.
        * gcc.c (translate_options, read_specs, add_sysrooted_prefix,
        execute, process_command, end_going_arg, do_self_spec, do_spec_1,
        eval_spec_function, handle_braces, process_brace_body, main,
        perror_with_name, used_arg, set_multilib_dir, print_multilib_info,
        getenv_spec_function, compare_version_strings,
        version_compare_spec_function): Use GCC-specific formats in
        diagnostics.

2010-06-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*addhi_1_lea) <TYPE_INCDEC, default>: Assert
        that operand 0 and operand 1 are equal.
        (*addqi_1_lea) <TYPE_INCDEC, default>: Ditto.
        (*add<mode>_2) <TYPE_INCDEC>: Remove assert that operand 0
        and operand 1 are equal.
        <default>: Ditto.  Remove ??? comment.
        (*add<mode>_3) <TYPE_INCDEC>: Remove assert that operand 0
        and operand 1 are equal.
        <default>: Ditto.  Remove ??? comment.
        (*adddi_4) <default>: Remove assert that operand 0 and operand 1
        are equal.
        (*add<mode>_4) <default>: Ditto.
        (*add<mode>_5) <TYPE_INCDEC, default>: Ditto.

2010-06-04  Nathan Froyd  <froydnj@codesourcery.com>

        * config/i386/i386-protos.h (ix86_print_operand): Declare.
        * config/i386/i386.c (ix86_print_operand): Make non-static.
        * config/i386/sol2.h (ASM_OUTPUT_CALL): Call ix86_print_operand.
        * output.h (output_operand): Declare.
        * final.c (output_operand): Make non-static.

2010-06-04  Alexandre Oliva  <aoliva@redhat.com>

        PR rtl-optimization/44013
        * sched-deps.c (add_dependence_list_and_free): Don't free lists
        when processing debug insns.

        PR debug/41371
        * var-tracking.c (find_loc_in_1pdv): Mark initial value before
        recursing.  Check that recursion is bounded.  Rename inner var
        to avoid hiding incoming argument.

2010-06-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*addqi_2) <TYPE_INCDEC>: Do not assert that
        operands[2] == 255.
        (*addqi_3): Ditto.
        (*addqi_4): Ditto.
        (*addqi_5): Ditto.
        (*addqi_ext_1_rex64): Ditto.
        (*addqi_ext_1): Ditto.

        (*addqi_4): Check for incdec_operand in QImode.

        (*add<mode>_2): Macroize insn from *add<mode>_2 and *add{qi,hi}_2
        using SWI mode iterator.
        (*add<mode>_3): Ditto from *add<mode>_3 and *add{qi,hi}_3.
        (*add<mode>_4): Macroize insn from *add{qi,hi,si}_4 using SWI124
        mode iterator.
        (*add<mode>_5): Macroize insn from *add<mode>_5 and *add{qi,hi}_5
        using SWI mode iterator.

2010-06-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/25880
        * c-objc-common.c (c_tree_printer): Handle %V, %v and %#v.
        * c-format.c (gcc_diag_flag_specs): Add hash.
        (gcc_cxxdiag_flag_specs): Use gcc_diag_flag_specs directly.
        (gcc_tdiag_char_table,gcc_cdiag_char_table): Handle %V and %v.
        * c-pretty-print.c (pp_c_cv_qualifier): Rename as
        pp_c_cv_qualifiers. Handle qualifiers spelling here.
        (pp_c_type_qualifier_list): Call the function above.
        * c-pretty-print.h (pp_c_cv_qualifiers): Declare.
        * c-typeck.c (handle_warn_cast_qual): Print qualifiers.
        (WARN_FOR_QUALIFIERS): New macro.
        (convert_for_assignment): Use it.

2010-06-04  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/cygming.h (ASM_GENERATE_INTERNAL_LABEL): Prefix by '*'.

2010-06-04  Jan Hubicka  <jh@suse.cz>

        * df.h (df_rd_bb_info, df_md_bb_info, df_lr_bb_info, df_live_bb_info,
        df_byte_lr_bb_info): Embedd bitmap_head into the structure.
        (DF_LIVE_IN, DF_LIVE_OUT, DF_LR_IN, DF_LR_OUT, DF_BYTE_LR_IN,
        DF_BYTE_LR_OUT): Update for embedded bitmaps.
        * fwprop.c (single_def_use_enter_block): Likewise.
        * ddg.c (create_ddg_dep_from_intra_loop_link,
        add_cross_iteration_register_deps, build_inter_loop_deps): Likewise.
        * loop-iv.c (latch_dominating_def): Likewise.
        * df-problems.c (df_rd_free_bb_info, df_rd_alloc,
        df_rd_bb_local_compute_process_def, df_rd_bb_local_compute_process_def,
        df_rd_init_solution, df_rd_init_solution, df_rd_transfer_function,
        df_rd_transfer_function, df_rd_top_dump,
        df_rd_bottom_dump): Update.
        (df_lr_free_bb_info, df_lr_alloc, df_lr_reset, df_lr_bb_local_compute,
        df_lr_bb_local_compute, df_lr_bb_local_compute, df_lr_bb_local_compute,
        df_lr_bb_local_compute, df_lr_local_compute, df_lr_init, df_lr_init,
        df_lr_confluence_0, df_lr_free, df_lr_top_dump, df_lr_bottom_dump,
        df_lr_verify_solution_start, df_lr_verify_solution_end,
        df_lr_verify_transfer_functions, df_lr_verify_transfer_functions,
        df_live_free_bb_info, df_live_alloc, df_live_reset,
        df_live_bb_local_compute, df_live_init, df_live_transfer_function,
        df_live_finalize, df_live_free, df_live_top_dump, df_live_bottom_dump,
        df_live_verify_solution_start, df_live_verify_solution_end,
        df_live_verify_transfer_functions, df_chain_create_bb,
        df_byte_lr_free_bb_info, df_byte_lr_alloc, df_byte_lr_reset,
        df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute,
        df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute,
        df_byte_lr_bb_local_compute, df_byte_lr_local_compute, df_byte_lr_init,
        df_byte_lr_confluence_0, df_byte_lr_confluence_n,
        df_byte_lr_transfer_function, df_byte_lr_top_dump,
        df_byte_lr_bottom_dump, df_create_unused_note,
        df_note_bb_compute, df_md_free_bb_info, df_md_alloc,
        df_md_bb_local_compute_process_def, df_md_local_compute, df_md_reset,
        df_md_transfer_function, df_md_init, df_md_confluence_0,
        df_md_confluence_n,
        df_md_top_dump, df_md_bottom_dump): Update.
        (struct df_lr_problem_data): Embedd bitmap headers.

2010-06-04  Jan Hubicka  <jh@suse.cz>

        * dce.c (dce_process_block): Do not re-scan already marked
        instructions.

2010-06-04  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/39871
        PR rtl-optimization/40615
        PR rtl-optimization/42500
        PR rtl-optimization/42502
        * ira.c (init_reg_equiv_memory_loc: New function.
        (ira): Call it twice.
        * reload.h (calculate_elim_costs_all_insns): Declare.
        * ira-costs.c: Include "reload.h".
        (regno_equiv_gains): New static variable.
        (init_costs): Allocate it.
        (finish_costs): Free it.
        (ira_costs): Call calculate_elim_costs_all_insns.
        (find_costs_and_classes): Take estimated elimination costs
        into account.
        (ira_adjust_equiv_reg_cost): New function.
        * ira.h (ira_adjust_equiv_reg_cost): Declare it.
        * reload1.c (init_eliminable_invariants, free_reg_equiv,
        elimination_costs_in_insn, note_reg_elim_costly): New static functions.
        (elim_bb): New static variable.
        (reload): Move code out of here into init_eliminable_invariants and
        free_reg_equiv.  Call them.
        (calculate_elim_costs_all_insns): New function.
        (eliminate_regs_1): Declare.  Add extra arg FOR_COSTS;
        all callers changed.  If FOR_COSTS is true, don't call alter_reg,
        but call note_reg_elim_costly if we turned a valid memory address
        into an invalid one.
        * Makefile.in (ira-costs.o): Depend on reload.h.

2010-06-04  Julian Brown  <julian@codesourcery.com>

        * config/arm/thumb2.md (*thumb2_movdf_soft_insn): Fix alternatives
        for pool ranges.

2010-06-04  Richard Guenther  <rguenther@suse.de>

        PR lto/41584
        * cgraph.h (struct varpool_node): Add lto_file_data field.
        * lto-cgraph.c (input_varpool_node): Initialize it.

2010-06-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (pic_symbolic_operand): Remove predicate.
        * config/i386/i386.md (*add<mode>_1): Do not use pic_symbolic_operand
        predicate in "type" attribute calculation.
        (*addsi_1_zext): Ditto.
        (*add<mode>_2): Do not use pic_symbolic_operand in insn predicate.
        (*addsi_2_zext): Ditto.
        (*add<mode>_3): Ditto.
        (*addsi_3_zext): Ditto.
        (*add<mode>_5): Ditto.

2010-06-03  Jan Hubicka  <jh@suse.cz>

        * tree-into-ssa.c (mark_block_for_update): Avoid redundant call
        of bitmap_bit_p.
        * cfganal.c (compute_dominance_frontiers_1): Likewise.

2010-06-03  Jan Hubicka  <jh@suse.cz>

        * df-problems.c (df_create_unused_note, df_note_bb_compute):
        micro-optimize the checks when to add new note.

2010-06-03  Nathan Froyd  <froydnj@codesourcery.com>

        * final.c (output_asm_insn): Call
        targetm.asm_out.print_operand_punct_valid_p.  Update comments.
        (output_operand): Call targetm.asm_out.print_operand.  Update comments.
        (output_address): Call targetm.asm_out.print_operand_address.
        Update comments.
        * target.h (struct gcc_target): Add print_operand,
        print_operand_address, and print_operand_punct_valid_p fields.
        * targhooks.h (default_print_operand): Declare.
        (default_print_operand_address): Declare.
        (default_print_operand_punct_valid_p): Declare.
        * targhooks.c (default_print_operand): Define.
        (default_print_operand_address): Define.
        (default_print_operand_punct_valid_p): Define.
        * target-def.h (TARGET_PRINT_OPERAND): Define if not defined.
        (TARGET_PRINT_OPERAND_ADDRESS): Likewise.
        (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Likewise.
        (TARGET_ASM_OUT): Add TARGET_PRINT_OPERAND,
        TARGET_PRINT_OPERAND_ADDRESS, and TARGET_PRINT_OPERAND_PUNCT_VALID_P.
        * vmsdbgout.c (addr_const_to_string): Update comment.
        * config/i386/i386.c (print_operand): Rename to...
        (ix86_print_operand): ...this.  Make static.
        (print_operand_address): Rename to...
        (ix86_print_operand_address): ...this.  Make static.  Call
        ix86_print_operand instead of PRINT_OPERAND.
        (ix86_print_operand_punct_valid_p): New function.
        (TARGET_PRINT_OPERAND): Define.
        (TARGET_PRINT_OPERAND_ADDRESS): Define.
        (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
        * config/i386/i386.h (HI_REGISTER_NAMES): Update comment.
        (PRINT_OPERAND_PUNCT_VALID_P): Delete.
        (PRINT_OPERAND): Delete.
        (PRINT_OPERAND_ADDRESS): Delete.
        * config/i386/i386-protos.h (print_operand): Delete prototype.
        (print_operand_address): Delete prototype.

2010-06-03  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44403
        * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
        Preserve pointer qualifiers.
        (vect_create_data_ref_ptr): Likewise.

2010-06-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR c++/44294
        * defaults.h (MAX_FIXED_MODE_SIZE): New.

        * stor-layout.c (MAX_FIXED_MODE_SIZE): Removed.

2010-06-03  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44375
        * tree-cfg.c (gimple_can_merge_blocks_p): For -O0
        return false if merging the bbs would lead to goto_locus
        location being lost from the IL.

2010-06-03  Jan Hubicka  <jh@suse.cz>
            Jakub Jelinek  <jakub@redhat.com>

        * var-tracking.c (dataflow_set_equiv_regs): Shortcut the loop if
        set->regs[i] is NULL or has just one entry.

2010-06-03  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (lto_varpool_encoder_size): Remove.
        * lto-streamer.h (lto_varpool_encoder_size): New inline function.

2010-06-03  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (FL_TUNE): Define.
        (arm_default_cpu, arm_cpu_select): Remove.
        (all_cores): Populate core field.
        (arm_selected_arch, arm_selected_cpu, arm_selected_tune): New.
        (arm_find_cpu): New function.
        (arm_handle_option): Lookup cpu/architecture names.
        (arm_override_options): Cleanup mcpu/march/mtune handling.
        (arm_file_start): Ditto.

2010-06-03  Alan Modra  <amodra@gmail.com>

        PR target/44169
        * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Add label operand.
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Pass label
        rtx to gen_load_toc_v4_PIC_1b.  Tidy.
        (rs6000_emit_load_toc_table): Likewise.

2010-06-02  Jan Hubicka  <jh@suse.cz>

        * passes.c (init_optimization_passes): Put ipa reference
        after ipa pure-const.

2010-06-02  Jan Hubicka  <jh@suse.cz>

        * ipa-reference.c (ipa_reference_local_vars_info_d): Remove
        calls_read_all and calls_write_all.
        (get_reference_optimization_summary): Fix formatting.
        (is_proper_for_analysis): Check that decl is not readonly.
        (propagate_bits): Check CONST/PURE/noreturn flags.
        (ipa_init): Move all_module_statics to optimization_summary_obstack.
        (analyze_function): Ignore indirect edges.
        (copy_global_bitmap): For all module statics, do nothing.
        (generate_summary): Do not print calls_read_all/calls_write_all.
        (read_write_all_from_decl): Take node as argument; check
        cgraph_node_cannot_return.
        (propagate): Reorganize read_all/write_all computation;
        check indirect edges; check ecf flags; use all_module_statics
        in the results; do not free all_module_statics.
        (stream_out_bitmap): Handle all_module_statics.
        (ipa_reference_write_optimization_summary): Likewise; use
        varpool/cgraph encoders to get boundaries.
        (ipa_reference_read_optimization_summary): Read in all_module_statics;
        use it when possible.

2010-06-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/44218
        * doc/invoke.texi (RS/6000 and PowerPC Options): Delete obsolete
        -mswdiv option.  Add -mrecip, -mrecip=<xxx>, -mrecip-precision options.

        * doc/extend.texi (powerpc builtins): Document vec_recip,
        vec_rsqrt, vec_rsqrte altivec/vsx builtins.

        * config/rs6000/rs60000-protos.h (rs6000_emit_swdiv): New function.
        (rs6000_emit_swrsqrt): Ditto.
        (rs6000_emit_swdivsf): Delete.
        (rs6000_emit_swdivdf): Ditto.
        (rs6000_emit_swrsqrtsf): Ditto.

        * config/rs6000/rs6000.c (rs6000_recip_bits): New global to
        describe the reciprocal estimate support for each type.
        (recip_options): Map -mrecip=<opt> into option bits.
        (gen_2arg_fn_t): New typedef for binary rtx gen function.
        (rs6000_debug_reg_global): If -mdebug=reg, print the state of the
        reciprocal estimate instructions.
        (rs6000_init_hard_regno_mode_ok): Key ws constraint off of the
        debug -mvsx-scalar-memory switch instead of -mvsx-scalar-double.
        Set up rs6000_recip_bits based on the -mrecip* options.  Print the
        cost information if -mdebug=cost or -mdebug=reg.
        (rs6000_override_options): Set -mrecip-precision for power6, and
        power7 machines.  If -mvsx or -mdfp, enable various options that
        came in previous instruction set ISAs, unless the option was
        explicitly disabled by the command line option.  Parse
        -mrecip=<opt> options.
        (rs6000_builtin_vectorized_function): Add support for vectorizing
        the reciprocal estimate builtins and expansions.
        (rs6000_handle_option): Add -mrecip, -mrecip=<opt> support.
        (bdesc_2arg): Add reciprocal estimate builtins.
        (bdesc_1arg): Add reciprocal square root estimate builtins.
        (rs6000_expand_builtin): Rewrite to use a switch statement,
        instead of multiple if/then/elses.  Add reciprocal estimate builtins.
        (rs6000_init_builtins): Create declarations for reciprocal
        estimate builtins.
        (rs6000_preferred_reload_class): Simplify VSX preferences, if scalar
        sized, prefer traditional floating point registers, if integer
        vector types, prefer altivec registers.  Don't actually look at
        the memory address any more.
        (rs6000_builtin_reciprocal): Add new builtin reciprocal estimate
        builtins.
        (rs6000_load_constant_and_splat): New helper function to load up
        the constant for reciprocal estimate instructions.
        (rs6000_emit_madd): New helper function for generating
        multiply/add type instructions, based on the current switches.
        (rs6000_emit_msub): Ditto.
        (rs6000_emit_mnsub): Ditto.
        (rs6000_emit_swdiv_high_precision): Replace rs6000_emit_swdivsf to
        replace a divide with a reciprocal estimate and fixup, adding
        support for machines with high precision and vectors.
        (rs6000_emit_swdiv_low_precision): Rewrite rs6000_emit_swdivdf for
        low precision machines.
        (rs6000_emit_swdiv): New common function to be called to replace a
        division with reciprocal estimate and fixup.
        (rs6000_emit_swrsqrt): Replace rs6000_emit_swrsqrtsf.  Add support
        for double and vector types.  Add support for high precision machines.

        * config/rs6000/rs6000.h (TARGET_FRES): New macro to say whether
        the reciprocal estimate instructions can be generated.
        (TARGET_FRE): Ditto.
        (TARGET_FRSQRTES): Ditto.
        (TARGET_FRSQRTE): Ditto.
        (RS6000_RECIP_*): New macros for reciprocal estimate support.

        * config/rs6000/vector.md (rsqrte<mode>2): New insn for reciprocal
        square root estimate on vectors.
        (re<mode>2): New insn for reciprocal division estimate on vectors.

        * config/rs6000/rs6000-buitlins.def (ALTIVEC_BUILTIN_VRSQRTFP):
        New builtin.
        (ALTIVEC_BUILTIN_VRECIPFP): Ditto.
        (ALTIVEC_BUITLIN_VEC_RE): Ditto.
        (ALTIVEC_BUILTIN_VEC_RSQRT): Ditto.
        (VSX_BUILTIN_RSQRT_V4SF): Ditto.
        (VSX_BUITLIN_RSQRT_V2DF): Ditto.
        (RS6000_BUILTIN_RSQRT): Ditto.
        (ALTIVEC_BUILTIN_VEC_RSQRTE): Denote that the builtin is a
        floating point builtin.

        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
        macros __RECIP__, __RECIPF__, __RSQRTE__, __RSQRTEF__,
        __RECIP_PRECISION__ based on the command line switches.
        (altivec_overloaded_builtins): Add reciprocal estimate builtins.

        * config/rs6000/rs6000.opt (-mrecip): Document add support for
        replacing division instructions with reciprocal estimate and fixup.
        (-mrecip=<opt>): New option.
        (-mrecip-precision): Ditto.

        * config/rs6000/vsx.md (UNSPEC_VSX_RSQRTE): Delete.
        (vsx_rsqrte<mode>2): Use UNSPEC_RSQRT not UNSPEC_VSX_RSQRTE.
        (vsx_copysignsf3): If -mvsx, use double precision cpsign on single
        precision scalar.

        * config/rs6000/altivec.md (UNSPEC_RSQRTEFP): Delete.
        (UNSPEC_VREFP): Ditto.
        (altivec_vnmsubfp*): Make altivec nmsub mirror the scalar and VSX
        conterparts with regard to support of -mno-fused-madd and -ffast-math.
        (altivec_vrsqrtefp): Use common UNSPEC to allow scalar/vector
        reciprocal estimate instructions to be generated.
        (altivec_vrefp): Ditto.

        * config/rs6000/rs6000.md (RECIPF): New iterator for reciprocal
        estimate support.
        (rreg): New mode attribute for reciprocal estimate support.
        (recip<mode>3): New insn for division using reciprocal estimate
        and fixup builtins.
        (divide define_split): New define_split to convert floating point
        division to use reciprocal estimate if the user used the
        appropriate options and the split is run when we can add new
        pseudo registers for the fixup.
        (rsqrt<mode>2): New insn for reciprocal square root support.
        (recipsf3): Move into recip<mode>3.
        (recipdf3): Ditto.
        (fres): Use TARGET_FRES.
        (rsqrtsf2): Move into rsqrt<mode>2.
        (rsqrtsf_internal1): Use TARGET_FRSQRTSES.
        (copysignsf3): Add support for VSX.
        (fred): Use TARGET_FRE.
        (fred_fpr): Ditto.
        (rsqrtdf_internal1): New function for frsqrte instruciton.

        * config/rs6000/altivec.h (vec_recipdiv): Define new vector builtin.
        (vec_rsqrt): Ditto.

2010-06-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44291
        * optabs.c (init_one_libfunc): Use IDENTIFIER_HASH_VALUE.
        (set_user_assembler_libfunc): Likewise.

2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>

        * mkconfig.sh: Include insn-flags.h and insn-constants.h before
        defaults.h.
        * except.h: Move MUST_USE_SJLJ_EXCEPTIONS and USING_SJLJ_EXCEPTIONS
        to defaults.h
        * expr.h (BRANCH_COST, MOVE_RATIO, CLEAR_RATIO, SET_RATIO,
        DEFAULT_FUNCTION_ARG_PADDING, FUNCTION_ARG_PADDING,
        FUNCTION_ARG_BOUNDARY, STACK_SAVEAREA_MODE, STACK_SIZE_MODE,
        STACK_CHECK_BUILTIN, STACK_CHECK_STATIC_BUILTIN,
        STACK_CHECK_PROBE_INTERVAL_EXP, STACK_CHECK_MOVING_SP,
        STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT,
        STACK_CHECK_MAX_FRAME_SIZE, STACK_CHECK_FIXED_FRAME_SIZE,
        STACK_CHECK_MAX_VAR_SIZE): Move target macro defaults to defaults.h.
        * defaults.h: Updated for above mentioned changes.

2010-06-02  Kai Tietz  <kai.tietz@onevision.com>

        * c-common.c: Remove header include of tm_p.h.
        * Makefile.in (c-common.o): Remove TM_P_H dependency.

2010-06-02  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (struct tree_decl_map): New type.
        (tree_decl_map_eq, tree_decl_map_marked_p): Define.
        (tree_decl_map_hash): New prototype.
        (debug_expr_for_decl, value_expr_for_decl): Change into
        tree_decl_map hashtab from tree_map.
        (init_ttree): Adjust initialization.
        (tree_decl_map_hash): New function.
        (decl_debug_expr_lookup, decl_debug_expr_insert,
        decl_value_expr_lookup, decl_value_expr_insert): Adjust.

2010-06-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_sol2_emulation): Test for GNU ld *_sol2
        linker emulations.
        * configure: Regenerate.
        * config.in: Regenerate.

        * config/i386/sol2-10.h [TARGET_GNU_LD] (I386_EMULATION): Define.
        (X86_64_EMULATION): Define.
        (TARGET_LD_EMULATION): Use them.

        * config/sparc/sol2-gld-bi.h (SPARC32_EMULATION): Define.
        (SPARC64_EMULATION): Define.
        (LINK_ARCH_SPEC): Use them.

2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (gcc_type_for_interval): Use
        smallest_mode_for_size for computing the precision types of new
        graphite IVs.  Do not call lang_hooks.types.type_for_size.

2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (predicate_bbs): Do not reset the GIMPLE_DEBUG
        information.
        (remove_conditions_and_labels): Reset the GIMPLE_DEBUG information.

2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/44363
        * tree-if-conv.c (predicate_bbs): Do not call gcc_unreachable,
        return false instead.

2010-06-02  Jan Hubicka  <jh@suse.cz>

        PR middle-end/44295
        * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Do not
        create new cgraph node to check callee.

2010-06-02  Richard Guenther  <rguenther@suse.de>

        * lto-streamer-in.c (input_gimple_stmt): Fix typo.

2010-06-02  Richard Guenther  <rguenther@suse.de>

        * lto-wrapper.c (lto_wrapper_exit): Rename to ...
        (lto_wrapper_cleanup): ... this.  Do not exit.
        (fatal): Adjust.  Exit here.
        (fatal_perror): Likewise.
        (fatal_signal): New function.
        (main): Set up signal handlers to cleanup temporary files.
        * Makefile.in (lto-wrapper.o): Adjust dependencies.

2010-06-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44377
        * tree-ssa-structalias.c (find_func_aliases): Fix typo.

2010-06-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/2097.md (z10_fhex): Remove insn reservation.
        * config/s390/s390.md (UNSPEC_COPYSIGN): Remove unused constant.
        (*mov<mode>_64 TD_TF, *mov<mode>_31 TD_TF, *mov<mode>_64dfp DD_DF,
        *mov<mode>_64 DD_DF, *mov<mode>_31, mov<mode>): Remove load zero
        instruction.
        * config/s390/s390.c: Don't accept fp zeros as valid constants anymore.

2010-06-02  Jan Hubicka  <jh@suse.cz>

        * bitmap.c (bitmap_descriptor): Add search_iter.
        (bitmap_find_bit): Increment it.
        (print_statistics): Print it.

2010-06-02  Nathan Froyd  <froydnj@codesourcery.com>

        * tree-vect-slp.c (vect_create_mask_and_perm): Use gimple_build_call
        instead of gimple_build_call_vec.  Delete unnecessary local variable.

2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>

        * gimplify.c (gimplify_body): Revert "Do not initialize RTL profiling"
        change from yesterday.

2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>

        * c-ada-spec.c: Clean up redundant includes.

2010-06-01  Steven Bosscher  <steven@gcc.gnu.org>

        * gimplify.c: Do not include except.h and optabs.h.
        (gimplify_body): Do not initialize RTL profiling.
        * gimple-low.c: Do not include rtl.h, diagnostic.h, langhooks.h,
        langhooks-def.h, timevar.h, except.h, hashtab.h, and expr.h.
        * gimple-fold.c: Do not include rtl.h, tm_p.h, ggc.h, basic-block.h,
        output.h, expr.h, diagnostic.h, timevar.h, value-prof.h, and
        langhooks.h.

        * tree-pretty-print.h: Include pretty-print.h.
        * gimple-pretty-print.h: Include pretty-print.h.

        * tree-pretty-print.c: Do not include diagnostic.h.
        * tree-vrp.c: Likewise.
        * tree-tailcall.c: Likewise
        * tree-scalar-evolution.c: Likewise
        * tree-ssa-dse.c: Likewise
        * tree-chrec.c: Likewise
        * tree-ssa-sccvn.c: Likewise
        * tree-ssa-copyrename.c: Likewise
        * tree-nomudflap.c: Likewise
        * tree-call-cdce.c: Likewise
        * tree-stdarg.c: Likewise
        * tree-ssa-math-opts.c: Likewise
        * tree-nrv.c: Likewise
        * tree-ssa-sink.c: Likewise
        * tree-browser.c: Likewise
        * tree-ssa-loop-ivcanon.c: Likewise
        * tree-ssa-loop.c: Likewise
        * tree-parloops.c: Likewise
        * tree-ssa-address.c: Likewise
        * tree-ssa-ifcombine.c: Likewise
        * tree-if-conv.c: Likewise
        * tree-data-ref.c: Likewise
        * tree-affine.c: Likewise
        * tree-ssa-phiopt.c: Likewise
        * tree-ssa-coalesce.c: Likewise
        * tree-ssa-pre.c: Likewise
        * tree-ssa-live.c: Likewise
        * tree-predcom.c: Likewise
        * tree-ssa-forwprop.c: Likewise
        * tree-ssa-dce.c: Likewise
        * tree-ssa-ter.c: Likewise
        * tree-ssa-loop-prefetch.c: Likewise
        * tree-optimize.c: Likewise
        * tree-ssa-phiprop.c: Likewise
        * tree-object-size.c: Likewise
        * tree-outof-ssa.c: Likewise
        * tree-ssa-structalias.c: Likewise
        * tree-switch-conversion.c: Likewise
        * tree-ssa-reassoc.c: Likewise
        * tree-ssa-operands.c: Likewise
        * tree-vectorizer.c: Likewise
        * tree-vect-data-refs.c: Likewise
        * tree-vect-generic.c: Likewise
        * tree-vect-stmts.c: Likewise
        * tree-vect-patterns.c: Likewise
        * tree-vect-slp.c: Likewise
        * tree-vect-loop.c: Likewise
        * tree-ssa-loop-ivopts.c: Likewise
        * tree-ssa-loop-im.c: Likewise
        * tree-ssa-loop-niter.c: Likewise
        * tree-ssa-loop-unswitch.c: Likewise
        * tree-ssa-loop-manip.c: Likewise
        * tree-ssa-loop-ch.c: Likewise
        * tree-dump.c: Likewise
        * tree-complex.c: Likewise

        * tree-into-ssa.c: Do not include diagnostic.h and expr.h.
        * tree-ssa-uninit.c: Likewise
        * tree-ssa-threadupdate.c: Likewise
        * tree-ssa-uncprop.c: Likewise
        * tree-ssa-ccp.c: Likewise
        * tree-ssa-dom.c: Likewise
        * tree-ssa-propagate.c: Likewise
        * tree-ssa-alias.c: Likewise
        * tree-dfa.c: Likewise
        * tree-cfgcleanup.c: Likewise
        * tree-sra.c: Likewise
        * tree-ssa-copy.c: Likewise
        * tree-ssa.c: Likewise
        * tree-profile.c: Likewise
        * tree-cfg.c: Likewise
        * tree-ssa-threadedge.c: Likewise
        * tree-vect-loop-manip.c: Likewise

        * tree-inline.c: Do not include diagnostic.h and expr.h.
        Include rtl.h.
        (copy_decl_for_dup_finish): Do not use NULL_RTX.

        * tree-loop-linear.c: Do not include diagnostic.h, expr.h and optabs.h.
        * tree-loop-distribution.c: Likewise.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * ipa-pure-const.c (local_pure_const): Do NORETURN discovery.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * tree-cfgcleanup.c (fixup_noreturn_call): Break out from ...;
        remove return value.
        (split_bbs_on_noreturn_calls) .... here.
        * tree-optimize.c (execute_fixup_cfg): Fixup noreturn calls too.
        * tree-flow.h (fixup_noreturn_call): New.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (remove_insn): Fix thinko in prevoius patch.

2010-06-01  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (build_nt_call_list): Delete.
        * tree.c (build_nt_call_list): Delete.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * fwprop.c: Make emit-rtl.h include last.
        * rtlanal.c: Include emit-rtl.h.
        * genautomata.c: Output emit-rtl include into insn-automata.c
        * df-scan.c: Include emit-rtl.h.
        * haifa-sched.c: Indlude emit-rtl.h.
        * mode-switching.c: Indlude emit-rtl.h.
        * graph.c: Indlude emit-rtl.h.
        * sel-sched.c: Include emit-rtl.h.
        * sel-sched-ir.c: Include emit-rtl.h.
        * ira-build.c: Include emit-rtl.h.
        * emit-rtl.c: (first_insn, last_insn): Remove defines.
        (get_insns, set_first_insn, get_last_insn, set_last_insn, get_max_uid):
        Move to emit-rtl.h.
        (set_new_first_and_last_insn, get_last_insn_anywhere,
        get_first_nonnote_insn, get_last_nonnote_insn, try_split,
        make_call_insn_raw, add_insn_after, add_insn_before, remove_insn,
        delete_insns_since, reorder_insns_nobb, emit_insn_after_1,
        emit_debug_insn_before, emit_insn, start_sequence, push_to_sequence,
        push_to_sequence2, push_topmost_sequence, end_sequence, copy_insn):
        Use accessor functions.
        * emit-rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn,
         gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value,
        set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode,
        mem_expr_equal_p): Move here from rtl.h.
        (get_insns, set_first-insn, get_last_insn, set_last_insn, get_max_uid):
        Move here from emit-rtl.c; make inline.
        * cfglayout.h: Include emit-rtl.h.
        * rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn,
         gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value,
        set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode,
        mem_expr_equal_p, get_insns, set_first-insn,
        get_last_insn, set_last_insn, get_max_uid): Move to emit-rtl.h.
        * reg-stack.c: Include emit-rtl.h.
        * dce.c: Likewise.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (tree_function_versioning): Update prototype.
        (cgraph_function_versioning): Update prototype.
        * cgraphunit.c (cgraph_copy_node_for_versioning): Accept bbs_to_copy
        bitmap.
        (cgraph_function_versioning): Accept new_entry_block and bbs_to_copy.
        (cgraph_materialize_clone, save_inline_function_body): Update use of
        tree_function_versioning.
        * tree-inline.c (copy_bb): Look for previous copied block to link
        after; fix debug output.
        (copy_cfg_body): Accept new_entry_block and bbs_to_copy.
        (copy_body): Likewise.
        (expand_call_inline): Update use of copy_body.
        (tree_function_versioning): Update use of copy body; accept
        blocks_to_copy and new_entry.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * gegenrtl.c: Remove unnecesary prototypes.
        (gendecl): Remove.
        (gendef): Produce static inline.
        (gencode): Remove.
        (main): Do not decode parameters; generate header only.
        * Makefile.in (genrtl.c): Remove.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * tree-switch-conversion.c (build_one_array): Make it readonly.

2010-06-01  Richard Guenther  <rguenther@suse.de>

        * optabs.c (init_optabs): Guard all accesses to reinit.
        * ipa-pure-const.c (propagate): Fix another typo.
        * opts.c (common_handle_option): Split assignment to bool.
        * c-opts.c (c_common_handle_option): Likewise.

2010-06-01  Arnaud Charlet  <charlet@adacore.com>
            Matthew Gingell  <gingell@adacore.com>

        * doc/invoke.texi: Mention -fdump-ada-spec.
        * tree-dump.c (dump_files): Add ada-spec.
        (FIRST_AUTO_NUMBERED_DUMP): Bump to 8.
        * tree-pass.h (tree_dump_index): Add TDI_ada.
        * gcc.c: Add support for -C without -E and for -fdump-ada-spec.
        (cpp_unique_options): Do not reject -C or -CC when -E isn't present.
        (default_compilers) <@c-header>: Allow -fdump-ada-spec on header files.
        * c-decl.c: Include c-ada-spec.h.
        (collect_source_ref_cb, collect_all_refs, for_each_global_decl): New
        functions.
        (c_write_global_declarations): Add handling of -fdump-ada-spec.
        * c-lex.c (c_lex_with_flags): Add handling of CPP_COMMENT.
        * Makefile.in (C_AND_OBJC_OBJS): Add c-ada-spec.o.
        * c-ada-spec.h, c-ada-spec.c: New files.

2010-06-01  Richard Guenther  <rguenther@suse.de>

        PR lto/43853
        * ipa-pure-const.c (get_function_state): Hand back varying state
        if we do not have one.
        (has_function_state): New function.
        (duplicate_node_data): Adjust.
        (remove_node_data): Likewise.
        (pure_const_write_summary): Likewise.
        (propagate): Likewise.  Fix typo.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * tree-cfg.c (verify_stmt): Do not skip could_throw test.
        * passes.c (execute_function_todo): Do not make implicit verify_ssa.
        (execute_all_ipa_transforms): Do not play with the states.

2010-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/arm/t-linux-androideabi: New.
        * config.gcc (arm*-*-linux-androideabi): Include multilib config.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c (estimate_num_insns): For stdarg functions look
        into call statement to count cost of argument passing.

2010-06-01  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386.c (ix86_output_addr_vec_elt): Make LPREFIX
        argument for fprintf.
        (ix86_output_addr_diff_elt): Likewise.
        (x86_function_profiler): Likewise.
        * config/cygming.h (LOCAL_LABEL_PREFIX): Fix for x64 no-underscore.
        (LPREFIX): Likewise.
        (ASM_GENERATE_INTERNAL_LABEL): Likewise.

2010-05-31  Jakub Jelinek  <jakub@redhat.com>

        PR target/44338
        * config/i386/sse.md (fma4i_fmadd<mode>4256, fma4i_fmsub<mode>4256,
        fma4i_fnmadd<mode>4256, fma4i_fnmsub<mode>4256, fma4i_fmadd<mode>4,
        fma4i_fmsub<mode>4, fma4i_fnmadd<mode>4, fma4i_fnmsub<mode>4,
        fma4i_vmfmadd<mode>4, fma4i_vmfmsub<mode>4, fma4i_vmfnmadd<mode>4,
        fma4i_vmfnmsub<mode>4, fma4i_fmaddsubv8sf4, fma4i_fmaddsubv4df4,
        fma4i_fmaddsubv4sf4, fma4i_fmaddsubv2df4, fma4i_fmsubaddv8sf4,
        fma4i_fmsubaddv4df4, fma4i_fmsubaddv4sf4, fma4i_fmsubaddv2df4):
        Guard only with TARGET_FMA4 instead of TARGET_FMA4 &&
        TARGET_FUSED_MADD.

2010-05-31  Jan Hubicka  <jh@suse.cz>

        * tree.h (tree_range_check_failed): Declare noreturn.

2010-05-31  Jan Hubicka  <jh@suse.cz>

        * gimple.c (gimple_call_builtin_p): New function.
        * gimple.h (gimple_call_builtin_p): Declare.
        * tree-cfg.c (make_edges): Produce edge from BUILT_IN_RETURN
        to exit.
        (execute_warn_function_return): BUILT_IN_RETURN is return.
        (split_critical_edges): Return edges are not critical.
        (is_ctrl_altering_stmt): Builtin_in_return is altering.
        (gimple_verify_flow_info): Handle built_in_return.
        (execute_warn_function_return): Handle built_in_return.
        * ipa-pure-const.c (check_call): Ignore builtin_return.

2010-05-31  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/44337
        * expr.c (expand_assignment): Don't store anything for out-of-bounds
        array accesses with non-MEM.

        PR tree-optimization/44182
        * tree-inline.c (copy_edges_for_bb): Don't split bb if a stmt that
        newly needs to end a bb is followed by debug stmts, instead return
        true from the function at the end.
        (maybe_move_debug_stmts_to_successors): New function.
        (copy_cfg_body): Call it if copy_edges_for_bb returned true.

2010-05-31  Kai Tietz  <kai.tietz@onevision.com>

        PR target/44161
        * config/i386/cygming.h (SUBTARGET_OVERRIDE_OPTIONS): Handle flag_pic.

2010-05-31  Eric Botcazou  <ebotcazou@adacore.com>

        * cgraphunit.c (cgraph_decide_is_function_needed): Really return false
        for nested functions in non-optimized compilation.

2010-05-31  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (find_func_aliases): Handle BUILT_IN_RETURN.

2010-05-30  Jan Hubicka  <jh@suse.cz>

        * predict.c (maybe_hot_edge_p): Calls to functions called once is cold.

2010-05-30  Richard Guenther  <rguenther@suse.de>

        PR lto/42975
        * tree-eh.c (execute_cleanup_eh_1): Copy from execute_cleanup_eh.
        (execute_cleanup_eh): Clear DECL_FUNCTION_PERSONALITY if it is
        no longer needed.

2010-05-30  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin.c (output_objc_section_asm_op): Add comment.
        (name_needs_quotes): Add '_' to list of valid comment chars.
        (machopic_output_function_base_name): Remove unneeded quotes.
        (darwin_encode_section_info): Adjust asm whitespace.
        * config/i386/darwin.h (ASM_OUTPUT_COMMON): Adjust asm tabs.
        (ASM_OUTPUT_LOCAL): Ditto.
        * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Ditto.
        * config/darwin.h (GLOBAL_ASM_OP): Ditto.
        * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Ditto.

2010-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * config/rs6000/rs6000.c (rs6000_output_function_entry): Use
        RS6000_OUTPUT_BASENAME unconditionally.
        (rs6000_output_function_epilogue): Likewise.

2010-05-30  Jan Hubicka  <jh@suse.cz>

        * toplev.c (wrapup_global_declaration_2): Avoid creation of new varpool
        nodes.

2010-05-30  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_assign_single): Implement
        verification for COND_EXPR rhs.

2010-05-30  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (cgraph_dump_file): Declare.
        * cgraphunit.c (cgraph_dump_file): Export.
        * ipa.c (dump_cgraph_node_set, dump_varpool_node_set): Be less verbose.

2010-05-30  Jan Hubicka  <jh@suse.cz>

        * dwarf2out.c (reference_to_unused,
        premark_types_used_by_global_vars_helper): Avoid creation of new
        varpool nodes.

2010-05-30  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (cgraph_node_cannot_return,
        cgraph_edge_cannot_lead_to_return): New functions.
        * cgraph.c (cgraph_node_cannot_return,
        cgraph_edge_cannot_lead_to_return): Use them.
        * ipa-pure-const.c (pure_const_names): New static var.
        (check_call): Handle calls not leading to return.
        (pure_const_read_summary): Dump info read.
        (propagate): Dump info about propagation process; ignore side effects
        of functions not leading to exit; fix handling of pure functions.

2010-05-30  Jan Hubicka  <jh@suse.cz>

        * config/i386/i386.c (pro_epilogue_adjust_stack): Use EBP
        for tail call epilogues.

2010-05-30  Jan Hubicka  <jh@suse.cz>

        * passes.c (ipa_write_optimization_summaries_1, ipa_write_summaries_2,
        ipa_read_summaries_1, ipa_read_optimization_summaries_1): Initialize
        dump files.

2010-05-29  Jan Hubicka  <jh@suse.cz>

        * ipa.c (cgraph_remove_unreachable_node): Walk references of correct
        node; remove references in node we no longer keep in cgrpah but need
        body of.

2010-05-29  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_mark_reachable): Relax check for analyzed nodes.

2010-05-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/44165
        * config/pa/pa32-linux.h (CTOR_LIST_BEGIN): Mark __CTOR_LIST__ as used.

2010-05-29  Jan Hubicka  <jh@suse.cz>

        * tree-vrp.c (debug_value_range, debug_all_value_ranges,
        debug_asserts_for, debug_all_asserts): Annotate with DEBUG_FUNCTION.
        * tree-into-ssa.c (debug_decl_set, debug_defs_stack, debug_currdefs,
        debug_tree_ssa, debug_tree_ssa_stats, debug_def_blocks,
        debug_names_replaced_by, debug_update_ssa): Likewise.
        * sbitmap.c (debug_sbitmap): Likewise.
        * genrecog.c (debug_decision, debug_decision_list): Likewise.
        * tree-pretty-print.c (debug_generic_expr, debug_generic_stmt,
        debug_tree_chain): Likewise.
        * tree-loop-distribution.c (debug_rdg_partitions): Likewise.
        * cgraph.c (debug_cgraph_node, debug_cgraph): Likewise.
        * optabs.c  (debug_optab_libfuncs): Likewise.
        (verify_loop_closed_ssa): Likewise.
        * value-prof.c (verify_histograms): Likewise.
        * reload.c (debug_reload_to_stream, debug_reload): Likewise.
        * bitmap.c (debug_bitmap_file, debug_bitmap, bitmap_print): Likewise.
        * cfghooks.c (verify_flow_info): Likewise.
        * fold-const.c (debug_fold_checksum): Likewise.
        * omp-low.c (debug_omp_region, debug_all_omp_regions): Likewise.
        * cfg.c (debug_regset, debug_flow_info, debug_bb, debug_bb_n):
        Likewise.
        * omega.c (debug_omega_problem): Likewise.
        * cgraphunit.c (verify_cgraph_node, verify_cgraph): Likewise.
        * tree-ssa-ccp.c (debug_lattice_value): Likewise.
        * dominance.c (verify_dominators, debug_dominance_info,
        debug_dominance_tree): Likewise.
        * df-core.c (df_insn_uid_debug, df_insn_debug, df_insn_debug_regno,
        * df_regno_debug, df_ref_debug,
        debug_df_insn, debug_df_reg, debug_df_regno, debug_df_ref,
        debug_df_defno, debug_df_useno, debug_df_chain): Likewise.
        * tree-ssa-dom.c (debug_dominator_optimization_stats): Likewise.
        * sel-sched.c (debug_state): Likewise.
        * tree-ssa-alias.c (debug_alias_info, debug_points_to_info_for):
        Likewise.
        * cfganal.c (print_edge_list, verify_edge_list): Likewise.
        * dwarf2out.c (debug_dwarf_die, debug_dwarf): Likewise.
        * tree-eh.c (verify_eh_edges, verify_eh_dispatch_edge): Likewise.
        * gimple-pretty-print.c (debug_gimple_stmt, debug_gimple_seq):
        Likewise.
        * c-pretty-print.c (debug_c_tree): Likewise.
        * sel-sched-dump.c (debug_insn_rtx, debug_vinsn, debug_expr, debug_insn
        debug_av_set, debug_lv_set, debug_ilist, debug_blist,
        debug_insn_vector, debug_hard_reg_set, debug_mem_addr_value): Likewise.
        * ebitmap.c (debug_ebitmap): Likewise.
        * function.c (debug_find_var_in_block_tree): Likewise.
        * print-rtl.c (debug_rtx): Likewise.
        (debug_rtx_count): Likewise.
        (debug_rtx_list, debug_rtx_range, debug_rtx_find): Likewise.
        * stor-layout.c (debug_rli): Likewise.
        * ipa.c (debug_cgraph_node_set, debug_varpool_node_set): Likewise.
        * tree-data-ref.c (debug_data_references,
        debug_data_dependence_relations, debug_data_reference,
        debug_data_dependence_relation, debug_rdg_vertex,
        debug_rdg_component, debug_rdg): Likewise.
        * tree-affine.c (debug_aff): Likewise.
        * tree-dfa.c (debug_referenced_vars, debug_variable, debug_dfa_stats):
        Likewise.
        * except.c (debug_eh_tree, verify_eh_tree): Likewise.
        * emit-rtl.c (verify_rtl_sharing): Likewise.
        * tree-ssa-pre.c (debug_pre_expr, debug_bitmap_set,
        debug_value_expressions): Likewise.
        * tree-ssa-live.c (debug_scope_block, debug_scope_blocks): Likewise.
        * sese.c (debug_rename_map, debug_ivtype_map): Likewise.
        * print-tree.c (debug_tree, debug_vec_tree): Likewise.
        * cfglayout.c (verify_insn_chain): Likewise.
        * graphite-clast-to-gimple.c (debug_clast_name_indexes,
        debug_clast_stmt, debug_generated_program): Likewise.
        * ggc-page.c (debug_print_page_list): Likewise.
        * tree-ssa-ter.c (debug_ter): Likewise.
        * graphite-dependences.c (debug_pddr): Likewise.
        * sched-deps.c (debug_ds): Likewise.
        * tree-ssa.c (verify_ssa): Likewise.
        * graphite-poly.c (debug_scattering_function, debug_iteration_domain,
        debug_scattering_functions, debug_iteration_domains, debug_pdr,
        debug_pdrs, debug_pbb_domain, debug_pbb, debug_scop_context,
        debug_scop, debug_cloog, debug_scop_params, debug_lst): Likewise.
        * tree-inline.c (debug_find_tree): Likewise.
        * graphite-ppl.c (debug_ppl_linear_expr, debug_ppl_polyhedron_matrix,
        debug_ppl_powerset_matrix): Likewise.
        * var-tracking.c (debug_dv): Likewise.
        * system.h (DEBUG_FUNCTION, DEBUG_VARIABLE): Define.
        * cfgloop.c (verify_loop_structure): Likewise.
        * plugin.c (dump_active_plugins, debug_active_plugins): Likewise.
        * c-common.c (verify_sequence_points): Likewise.
        * sched-rgn.c (debug_regions, debug_region, debug_candidate,
        debug_candidates, debug_rgn_dependencies): Likewise.
        * tree-ssa-structalias.c (debug_constraint, debug_constraints,
        * debug_constraint_graph, debug_solution_for_var,
        debug_sa_points_to_info): Likewise.
        * sched-vis.c (debug_insn_slim, debug_bb_slim, debug_bb_n_slim):
        Likewie.
        * tree-cfg.c (debug_cfg_stats, verify_stmts, debug_function,
        debug_loops, debug_loop, debug_loop_num): Likewise.
        * passes.c (debug_pass): Likewise.
        (dump_properties): Likewise; add cfglayout property.
        (debug_properties): Likewise.
        * tree-ssa-reassoc.c (debug_ops_vector): Likewise.
        * varpool.c (debug_varpool): Likewise.
        * regcprop.c (debug_value_data): Likewise.
        * tree-ssa-operands.c (verify_imm_links, debug_immediate_uses,
        debug_immediate_uses_for): Likewise.

2010-05-29  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/44315
        * Makefile.in (build/gencondmd.o): Remove TM_H := $(GTM_H).
        Filter out insn-flags.h.

2010-05-29  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (struct varpool_node_set_def,
        struct cgraph_node_set_def): Remove unused AUX pointer.
        (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p): Use
        VEC_empty macro.

2010-05-29  Jan Hubicka  <jh@suse.cz>

        PR middle-end/44324
        * ipa-cp.c (ipcp_insert_stage): Replace "clone" by "constprop".

2010-05-29  Richard Guenther  <rguenther@suse.de>

        * lto-streamer.c (cached_bp): New global variable.
        (bitpack_create): Return the cached bitpack, if available.
        (bitpack_delete): Clear and cache the bitpack, if appropriate.
        (bp_pack_value): Remove redundant asserts.

2010-05-29  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/44306
        * tree-if-conv.c (is_true_predicate): New.
        (is_predicated): Use is_true_predicate.
        (add_to_predicate_list): Same.  Do not use unshare_expr.
        (add_to_dst_predicate_list): Same.

2010-05-29  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (add_to_dst_predicate_list): Do not use the ->aux
        field on edges.
        (predicate_bbs): Same.
        (clean_predicate_lists): Same.
        (find_phi_replacement_condition): Do not AND the predicate from
        edge->aux.

2010-05-29  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/44315
        * Makefile.in (build/gencondmd.o): Add a missing `\'.

2010-05-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/44261
        config/pa/pa.md (negdf2_slow, negsf2_slow): New patterns.
        (negdf2): Adjust expander pattern and use negdf2_slow.
        (negsf2): Likewise.

2010-05-29  Nathan Froyd  <froydnj@codesourcery.com>

        * basic-block.h (struct control_flow_graph): Move last_label_uid field
        up.
        * df.h (struct df_base_ref): Move regno field up.
        * dwarf2out.c (struct dw_fde_struct): Move funcdef_number field down.
        * expr.h (struct separate_ops): Move location field up.
        * optabs.h (struct optab_d): Move libcall_basename field down.
        * config/i386/i386.c (struct ix86_frame): Move red_zone_size up.
        * config/i386/i386.h (struct machine_function): Convert call_abi field
        into a bitfield.  Move cfa field to the end of the structure.

2010-05-29  Jan Hubicka  <jh@suse.cz>

        * varpool.c (varpool_get_node): Fix lookup.

2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>

        * config/spu/spu-protos.h: Do not include rtl.h.  Protect
        RTL specific prototypes with #ifdef RTX_CODE.
        * config/spu/spu-c.c: Include c-common.h instead of c-tree.h.
        * config/spu/t-spu-elf: Fix dependencies.

        * config/t-darwin (darwin-c.o): Remove C_TREE_H dependency.

2010-05-29  Mike Stump  <mikestump@comcast.net>

        PR bootstrap/44315
        * Makefile.in (build/gencondmd.o): Be sure to use GTM_H instead of
        TM_H when building to avoid dependency loops.

2010-05-29  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (cgraph_materialize_clone): Only remove calles,
        refs and body; not the whole node for masters of materialized
        clones.

2010-05-29  Mike Stump  <mikestump@comcast.net>

        * config/rs6000/rs6000-c.c: Remove c-tree.h include.

2010-05-29  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (clone_function_name): Take SUFFIX argument; export.
        (cgraph_create_virtual_clone): Take SUFFIX argument; udpate
        use of clone_function_name.
        * cgraph.h (cgraph_create_virtual_clone,
        cgraph_function_versioning): update prototypes.
        (clone_function_name): Declare.
        * ipa-cp.c (ipcp_insert_stage): Update call of
        cgraph_create_virtual_clone.
        * omp-low.c (create_omp_child_function_name): Use
        cgraph_create_virtual_clone.
        * cgraphunit.c (cgraph_copy_node_for_versioning): Fix edges updating.
        (cgraph_function_versioning): Take SUFFIX argument; produce new name
        and make decl local.

2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>

        * vec.h: Include statistics.h
        * Makefile.in: Introduce VEC_H.  Replace all vec.h dependencies
        with VEC_H.

2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>

        * c-lex.c: Do not include c-tree.h.
        * c-pretty-print.c: Likewise.
        * c-opts.c: Likewise.
        * c-gimplify.c: Likewise.
        * c-common.c: Likewise.
        * c-dump.c: Likewise.  Include c-common.h.

2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>

        * c-common.h (GCC_DIAG_STYLE): Define earlier in the file,
        before including diagnostic-core.h.
        (c_cpp_error): New prototype moved from c-tree.h.
        Use ATTRIBUTE_GCC_DIAG instead of ATTRIBUTE_GCC_CDIAG.
        * c-tree.h (ATTRIBUTE_GCC_CDIAG): Remove define.
        (pedwarn_c90, perwarn_c99): Use ATTRIBUTE_GCC_DIAG instead.
        (c_cpp_error): Prototype moved to c-common.h.
        * Makefile.in: Update dependency for C_COMMON_H.

2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>

        * c-common.h: Add FIXME for awkward split of c_register_addr_space.
        * c-common.c (c_register_addr_space): Remove here.
        * c-decl.c (c_register_addr_space): Re-add here.

2010-05-28  Mike Stump  <mikestump@comcast.net>

        * config/darwin-c.c: Remove c-tree.h include.

2010-05-28  Joseph Myers  <joseph@codesourcery.com>

        * gcc.c: Include diagnostic.h.
        (error_count): Remove.  All users changed to use errorcount.
        (programname): Remove.  All users changed to use progname.
        (fancy_abort, internal_error, fatal_error, error, warning, inform,
        fnotice): Remove.
        (execute): Don't include "Internal error" and bug reporting
        information in argument of internal_error call.
        (process_command): Don't increment error_count after calling
        perror_with_name.
        (input_filename): Rename to gcc_input_filename.  All users
        changed.
        (main): Call diagnostic_initialize.  Register delete_temp_files
        with atexit.  Use seen_error to test for errors.
        * gcc.h: Include diagnostic-core.h.
        (fatal_error, error, warning): Remove.
        * Makefile.in (GCC_H): Add $(DIAGNOSTIC_CORE_H).
        (GCC_OBJS): Add diagnostic.o, pretty-print.o and input.o.
        (gcc.o): Update dependencies.

2010-05-28  Jeff Law  <law@redhat.com>

        * ira.c (ira_bad_reload_regno, ira_build_reload_regno_1): New
        functions.
        * ira.h (ira_bad_reload_regno): Declare
        * reload1.c (allocate_reload_reg): Use ira_bad_reload_regno.

        * ira-color.c (update_curr_costs): Free updated hard reg costs.
        (ira_reassign_conflict_allocnos): Remove bogus asserts.
        (allocno_reload_assign): Likewise.

2010-05-28  Nathan Froyd  <froydnj@codesourcery.com>

        * tree-vect-stmts.c (vectorizable_assignment): Call build1 instead of
        build1_stat.

2010-05-28  Richard Guenther  <rguenther@suse.de>

        PR lto/44312
        * lto-streamer-in.c (unpack_ts_fixed_cst_value_fields):
        Stream fixed-point constants mode.
        (unpack_ts_type_value_fields): Fix width of TYPE_MODE
        and TYPE_PRECISION.
        * lto-streamer-out.c (pack_ts_fixed_cst_value_fields):
        Stream fixed-point constants mode.
        (pack_ts_function_decl_value_fields): Fix width of TYPE_MODE
        and TYPE_PRECISION.

2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (set_nb_iterations_in_loop): Inlined in the
        only place it was called from.
        (number_of_latch_executions): Do not return chrec_dont_know when the
        may_be_zero is a runtime condition: instead, return a COND_EXPR
        including the may_be_zero condition.
        * cfgloop.h (struct loop): Add a note on COND_EXPRs to the comment
        of nb_iterations.
        * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Handle
        COND_EXPRs.

2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (replace_phi_with_cond_gimple_assign_stmt): Don't
        generate COND_EXPRs for degenerate_phi_result.

2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/44293
        * tree-if-conv.c (if_convertible_loop_p): Check the
        if-convertibility of phi nodes in non predicated BBs.

2010-05-28  Joseph Myers  <joseph@codesourcery.com>

        * gcc.c (error, warning, inform): Remove duplicate ": " in output.

2010-05-28  Joseph Myers  <joseph@codesourcery.com>

        PR driver/15303
        * gcc.c (inform, warning, inform): New functions.
        (fatal_ice): Rename to internal_error; change cmsgid parameter to
        gmsgid.  All callers changed.
        (notice): Rename to fnotice; add parameter fp.  All callers
        changed.
        (fatal_error): Rename to fatal_signal.  All users changed.
        (fatal): Rename to fatal_error; change cmsgid parameter to
        gmsgid.  All callers changed.
        (process_command): Use warning instead of error for warnings.
        (end_going_arg): Don't use _() around argument of error.
        (do_spec_1): Use inform for message from %n specs.  Use warning
        instead of error for warnings.
        (main): Use inform for comparison messages.  Use warning for
        message about unused linker input.
        (error): Increment error_count.  Print "error: ".
        * gcc.h (fatal): Change to fatal_error.
        (warning): Declare.
        * config/darwin-driver.c (darwin_default_min_version): Use warning
        instead of fprintf for warnings.
        * cppspec.c (lang_specific_driver): Use fatal_error instead of
        fatal.

2010-05-28  Julian Brown  <julian@codesourcery.com>

        * config/arm/thumb2.md (*thumb2_addsi3_compare0): New.
        (*thumb2_addsi3_compare0_scratch): New.
        * config/arm/constraints.md (Pv): New.
        * config/arm/arm.md (*addsi3_compare0): Remove FIXME comment. Use
        for ARM mode only.
        (*addsi3_compare0_scratch): Likewise.

2010-05-28  Jan Hubicka  <jh@suse.cz>

        * ipa-reference.c (add_static_var): Remove redundant all_module_statics
        check.
        (ipa_reference_write_optimization_summary): Call is_proper_for_analysis
        only on local statics.

2010-05-28  Iain Sandoe  <iains@gcc.gnu.org>

        * config.gcc (*-*-darwin*): Adjust t-make fragments for Darwin.

2010-05-28  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR bootstrap/44314
        * config/alpha/linux.h, config/rs6000/linux.h, config/rs6000/linux64.h
        (OPTION_GLIBC): Define.

2010-05-28  Jakub Jelinek  <jakub@redhat.com>

        PR debug/41048
        * dwarf2out.c (double_int_type_size_in_bits): New function.
        (round_up_to_align): Change first argument and return value to
        double_int.
        (field_byte_offset): Work internally on double_ints.

        PR target/43636
        * builtins.c (expand_movstr): Use a temporary pseudo instead
        of target even when target is not NULL and not const0_rtx, but
        fails movstr predicate.
        * config/m32c/blkmov.md (movstr): Add predicate to first operand.

2010-05-28  Joseph Myers  <joseph@codesourcery.com>

        * final.c (rest_of_clean_state): Use %m in errors instead of
        strerror (errno).
        * gengtype.c (read_input_list, close_output_files): Use xstrerror
        instead of strerror.
        * toplev.c (process_options): Use %m in errors instead of strerror
        (errno).
        * tree-dump.c (dump_begin): Use %m in errors instead of strerror
        (errno).

2010-05-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_fn_abi_va_list): Make static.
        (ix86_canonical_va_list_type): Make static.  Add declaration.
        (ix86_enum_va_list): Make static.  Reindent.
        * config/i386/i386-protos.h (ix86_fn_abi_va_list): Remove declaration.
        (ix86_canonical_va_list_type): Ditto.
        (ix86_enum_va_list): Ditto.

2010-05-28  Richard Guenther  <rguenther@suse.de>

        * lto-wrapper.c (run_gcc): With -save-temps generate a
        user-visible ltrans filename.  Fixup ltrans unit numbering.

2010-05-28  Kai Tietz  <kai.tietz@onevision.com>

        * c-common.c (c_common_nodes_and_builtins): Replace use
        of TARGET_ENUM_VA_LIST by target hook enum_va_list.
        * config/i386/i386.c (TARGET_ENUM_VA_LIST_P): Hook
        to ix86_enum_va_list.
        * config/i386/i386.h (TARGET_ENUM_VA_LIST): Removed.
        * doc/tm.texi (TARGET_ENUM_VA_LIST): Removed.
        (TARGET_ENUM_VA_LIST_P): Add hook description.
        * target-def.h (TARGET_ENUM_VA_LIST_P): Added.
        * target.h (gcc_target): Add enum_va_list hook.

        PR bootstrap/44299
        * config/i386/t-cygming: Adjust header dependencies for winnt-cxx.c.
        * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Remove undefine.
        * config/i386/winnt.c (IN_GCC_FRONTEND): Likewise.

2010-05-28  Alan Modra  <amodra@gmail.com>

        PR target/44266
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Use
        emit_library_call machinery to set up __tls_get_addr calls.

2010-05-28  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.md (movqi): Fix typo ('*' -> '#').

2010-05-28  Dodji Seketeli  <dodji@redhat.com>

        Revert fix for PR c++/44188
        * c-common.c (is_typedef_decl): Revert the moving of  this
        definition ...
        * tree.c (is_typedef_decl): ... here.
        (typdef_variant_p): Revert the moving of this  definition
        here from gcc/cp/tree.c.
        * c-common.h (is_typedef_decl): Revert the moving of this
        declaration ...
        * tree.h (is_typedef_decl): ... here.
        (typedef_variant_p): Revert the moving of this  declaration here
        from gcc/cp/cp-tree.h
        * dwarf2out.c (is_naming_typedef_decl): Revert this new function.
        (gen_tagged_type_die): Revert the splitting out of ...
        (gen_type_die_with_usage): ... this function. Revert the anonymous
        tagged type handling.
        (gen_typedef_die): Revert emitting DW_TAG_typedef  for
        typedefs naming anonymous tagged types.

2010-05-28  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000-modes.def (PSImode): Delete.

2010-05-28  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/constraints.md ("z" constraint): Change to CA_REGS.
        * config/rs6000/predicates.md: Change XER_REGNO_P to CA_REGNO_P
        throughout.
        * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Change
        "xer" to "ca".
        Change XER_REGNO_P to CA_REGNO_P, XER_REGNO to CA_REGNO, and
        XER_REGS to CA_REGS throughout.
        * config/rs6000/rs6000.h: Same.
        (ADDITIONAL_REGISTER_NAMES): Add "xer".
        * config/rs6000/rs6000.md: Change XER_REGNO to CA_REGNO.  Document
        that mode_iterator "P" is the size for arithmetic carries as well.
        * doc/md.texi (rs6000 section, "z" constraint): Fix documentation.

2010-05-28  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/44255
        * combine.c (struct rtx_subst_pair): Define unconditionally.
        (propagate_for_debug_subst): Likewise.  If not AUTO_INC_DEC,
        copy_rtx pair->to instead of cleanup_auto_inc_dec it.
        Call make_compound_operation on pair->to.
        (propagate_for_debug): Don't call make_compound_operation here.
        Always use simplify_replace_fn_rtx.

2010-05-27  Sterling Augustine  <sterling@tensilica.com>

        * doc/invoke.texi (xtensa options): Add -mforce-no-pic.
        * config/xtensa/xtensa.c (override_options): Check
          TARGET_FORCE_NO_PIC and set flag_pic.
        * config/xtensa/xtensa.opt: Document -mforce-no-pic

2010-05-27  Kai Tietz  <kai.tietz@onevision.com>

        PR bootstrap/44299
        * config/i386/winnt.c (IN_GCC_FRONTEND): Undefine.
        * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Likewise.

2010-05-27  Joseph Myers  <joseph@codesourcery.com>

        * diagnostic-core.h: New.  Contents moved from diagnostic.h and
        toplev.h.
        * diagnostic.c: Don't include toplev.h.
        (progname): Define.  Moved from toplev.c.
        (seen_error): New function.
        * diagnostic.h: Include diagnostic-core.h.
        (diagnostic_t, emit_diagnostic): Don't declare here.
        * toplev.c (progname): Move to toplev.c.
        (emit_debug_global_declarations, compile_file, finalize,
        do_compile, toplev_main): Use seen_error.
        * toplev.h: Include diagnostic-core.h.
        (trim_filename, GCC_DIAG_STYLE, ATTRIBUTE_GCC_DIAG,
        internal_error, warning, warning_at, error, error_n, error_at,
        fatal_error, pedwarn, permerror, sorry, inform, inform_n,
        verbatim, fnotice, progname): Move to diagnostic-core.h.
        * builtins.c: Include diagnostic-core.h instead of diagnostic.h.
        (expand_builtin_expect): Use seen_error.
        * c-decl.c: Include diagnostic-core.h instead of diagnostic.h.
        (c_make_fname_decl, c_write_global_declarations): Use seen_error.
        * c-format.c: Include diagnostic-core.h instead of diagnostic.h.
        * c-gimplify.c: Include diagnostic-core.h instead of diagnostic.h.
        * c-lang.c: Include diagnostic-core.h instead of diagnostic.h.
        * c-lex.c (c_lex_with_flags, interpret_float): Don't increment
        errorcount for errors.
        * c-opts.c (c_common_finish): Use seen_error.
        * cgraph.c: Include diagnostic-core.h instead of diagnostic.h.
        * cgraphunit.c (verify_cgraph_node, verify_cgraph,
        cgraph_output_pending_asms, cgraph_optimize): Use seen_error.
        * coverage.c: Include diagnostic-core.h instead of diagnostic.h.
        (get_coverage_counts): Use seen_error.
        * dwarf2out.c (dwarf2out_finish): Use seen_error.
        * gimplify.c (gimplify_var_or_parm_decl, gimple_push_cleanup,
        gimplify_body): Use seen_error.
        * ipa-inline.c (cgraph_early_inlining): Use seen_error.
        * ipa-pure-const.c (gate_pure_const): Use seen_error.
        * ipa-reference.c (gate_reference): Use seen_error.
        * jump.c: Include diagnostic-core.h instead of diagnostic.h.
        * lambda-code.c: Include diagnostic-core.h instead of
        diagnostic.h.
        * lto-cgraph.c: Include diagnostic-core.h instead of diagnostic.h.
        * lto-compress.c: Include diagnostic-core.h instead of
        diagnostic.h.
        * lto-section-in.c: Include diagnostic-core.h instead of
        diagnostic.h.
        * lto-streamer-out.c: Include diagnostic-core.h instead of
        diagnostic.h.
        * lto-streamer.c: Include diagnostic-core.h instead of
        diagnostic.h.
        (gate_lto_out): Use seen_error.
        * matrix-reorg.c: Include diagnostic-core.h instead of
        diagnostic.h.
        * omega.c: Include diagnostic-core.h instead of diagnostic.h.
        * omp-low.c: Include diagnostic-core.h instead of diagnostic.h.
        (gate_expand_omp, lower_omp_1): Use seen_error.
        * passes.c: Include diagnostic-core.h instead of diagnostic.h.
        (rest_of_decl_compilation, rest_of_type_compilation,
        gate_rest_of_compilation, ipa_write_summaries): Use seen_error.
        * tree-cfg.c (label_to_block_fn): Use seen_error.
        * tree-inline.c (optimize_inline_calls): Use seen_error.
        * tree-mudflap.c (mudflap_finish_file): Use
        seen_error.
        * tree-optimize.c (gate_all_optimizations,
        gate_all_early_local_passes, gate_all_early_optimizations): Use
        seen_error.
        * tree-ssa-structalias.c (gate_ipa_pta): Use seen_error.
        * varpool.c: Include diagnostic-core.h instead of diagnostic.h.
        (varpool_remove_unreferenced_decls,
        varpool_assemble_pending_decls): Use seen_error.
        * Makefile.in (DIAGNOSTIC_CORE_H): Define.
        (TOPLEV_H, DIAGNOSTIC_H): Update.
        (c-decl.o, c-lang.o, c-format.o, lto-compress.o, lto-cgraph.o,
        lto-streamer-out.o, lto-section-in.o, lto-streamer.o,
        c-gimplify.o, omp-low.o, omega.o, diagnostic.o, passes.o,
        builtins.o, jump.o, cgraph.o, varpool.o, matrix-reorg.o,
        coverage.o, lambda-code.o): Update dependencies.

2010-05-25  Dodji Seketeli  <dodji@redhat.com>

        PR c++/44188
        * c-common.c (is_typedef_decl): Move this definition ...
        * tree.c (is_typedef_decl): ... here.
        (typdef_variant_p): Move definition here from gcc/cp/tree.c.
        * c-common.h (is_typedef_decl): Move this declaration ...
        * tree.h (is_typedef_decl): ... here.
        (typedef_variant_p): Move declaration here from gcc/cp/cp-tree.h
        * dwarf2out.c (is_naming_typedef_decl): New function.
        (gen_tagged_type_die): Split out of ...
        (gen_type_die_with_usage): ... this function. When an anonymous
        tagged type is named by a typedef, make sure a DW_TAG_typedef DIE
        is emitted for the typedef.
        (gen_typedef_die): Emit DW_TAG_typedef also for typedefs naming
        anonymous tagged types.

2010-05-27  Jason Merrill  <jason@redhat.com>

        * print-tree.c (debug_vec_tree): New fn.
        (print_vec_tree): New fn.
        * tree.h: Declare them.
        * gdbinit.in (pvt): New command.

        * print-tree.c (print_node) [TREE_VEC]: Print elements normally.

        * gdbinit.in (pdd): New command.

2010-05-27  Jan Hubicka  <jh@suse.cz>

        * ipa-inline.c (cgraph_estimate_size_after_inlining): Make inline.
        (update_caller_keys): Return early if there are no callers;
        only update fibheap when decresing the key.
        (update_callee_keys): Avoid recursion.
        (decide_inlining_of_small_functions): When badness does not match;
        re-insert into fibheap.

2010-05-27  Steven Bosscher  <steven@gcc.gnu.org>

        * Makefile.in (ALL_CFLAGS): Add file-specific CFLAGS.
        (ALL_HOST_FRONTEND_OBJS): New, for all front-end specific objects.
        (ALL_HOST_BACKEND_OBJS): New, for all backend and target objects.
        (ALL_HOST_OBJS): Now a union of the above two.
        <section "Language makefile fragments">: Add -DIN_GCC_FRONTEND for
        all files in ALL_HOST_FRONTEND_OBJS.
        * system.h: Poison GCC_RTL_H if IN_GCC_FRONTEND is defined.

        * c-common.c: Pretend to be a backend file by undefining
        IN_GCC_FRONTEND (still need rtl.h here).

2010-05-27  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (struct cgraph_node): Mark former_clone_of by GTY ((skip)).
        * cgraphunit.c (clone_of_p): Compile only when checking is enabled.

2010-05-27  Jan Hubicka  <jh@suse.cz>

        * sched-ebb.c: Rename struct deps to struct deps_desc.
        * ddg.c: Likewise.
        * sel-sched-ir.c: Likewise.
        * sched-deps.c: Likewise.
        * sched-int.h: Likewise.
        * sched-rgn.c: Likewise.

2010-05-27  Jon Beniston <jon@beniston.com>

        PR 43726
        * config/lm32/lm32.h: Remove definition of
        GO_IF_MODE_DEPENDENT_ADDRESS. Update copyright year.

2010-05-27  Eric Botcazou  <ebotcazou@adacore.com>

        PR lto/44230
        * dwarf2out.c (dwarf2out_begin_prologue): Fix nits in sorry message.

2010-05-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44284
        * tree-vect-stmts.c (vectorizable_assignment): Handle
        sign-changing conversions as simple copy.

2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * gthr-posix.h (pthread_cancel): Don't declare if compiling against
        Bionic C library.
        (__gthread_active_p): Check for pthread_create if compiling against
        Bionic C library.

2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        Support compilation for Android platform.  Reimplement -mandroid.

        * config.gcc (*linux*): Include linux-android.h and linux-android.opt.
        (*android*): Set ANDROID_DEFAULT.
        (arm*-*-linux*): Include linux-android.h.
        (arm*-*-eabi*): Don't include previous -mandroid implementation.
        * config/arm/eabi.h: Remove, move Android-specific parts ...
        * config/linux-android.h: ... here.  New file.
        * config/arm/eabi.opt: Rename to ...
        * config/linux-android.opt: ... this.
        (mandroid): Allow -mno-android option.  Initialize based on
        ANDROID_DEFAULT.
        * config/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC, LIB_SPEC):
        Move logic to corresponding LINUX_TARGET_* macros.
        (TARGET_OS_CPP_BUILTINS): Define __ANDROID__, when appropriate.
        * config/linux-eabi.h (LINK_SPEC, CC1_SPEC, CC1PLUS_SPEC, LIB_SPEC,)
        (STARTFILE_SPEC, ENDFILE_SPEC): Define to choose between Linux and
        Android definitions.
        (LINUX_TARGET_OS_CPP_BUILTINS): Define __ANDROID__ if TARGET_ANDROID.
        * doc/invoke.texi (-mandroid, -tno-android-cc, -tno-android-ld):
        Document.

2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        Add support for Bionic C library

        * config.gcc (LIBC_GLIBC, LIBC_BIONIC, LIBC_UCLIBC): New tm_define
        macro.
        (DEFAULT_LIBC): New tm_define macro set to one of LIBC_*.
        (bfin*-uclinux, moxie-*-uclinux*, m68k-*-uclinux*): Update.

        * config/linux.h (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC): Define.
        (LINUX_TARGET_OS_CPP_BUILTINS): Define __gnu_linux__ only for GLIBC.
        (CHOOSE_DYNAMIC_LINKER1, CHOOSE_DYNAMIC_LINKER): Make it easier
        to support multiple C libraries.  Handle Bionic.
        (BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,)
        (BIONIC_DYNAMIC_LINKER64): Define.
        (LINUX_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64):
        Update.
        (TARGET_HAS_SINCOS): Enable for Bionic.

        * config/linux.opt: Rewrite to handle more than 2 C libraries.  Make
        the last option specified on command line take effect.
        (linux_uclibc): Rename to linux_libc, initialize using DEFAULT_LIBC.
        (mbionic): New.
        (mglibc, muclibc): Update.

        * config/alpha/linux-elf.h, config/rs6000/linux64.h,
        * config/rs6000/sysv4.h (CHOOSE_DYNAMIC_LINKER): Update to use
        DEFAULT_LIBC.

        * doc/invoke.texi (-mglibc, -muclibc): Update.
        (-mbionic): Document.

2010-05-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * c-common.h (c_register_addr_space): Add prototype.
        (ADDR_SPACE_KEYWORD): Remove.
        * c-common.c (c_register_addr_space): New function.
        (c_addr_space_name): Reimplement.
        (c_common_reswords): Do not include TARGET_ADDR_SPACE_KEYWORDS.

        * config/spu/spu.h (TARGET_ADDR_SPACE_KEYWORDS): Remove.
        (REGISTER_TARGET_PRAGMAS): Call c_register_addr_space.

        * doc/tm.texi (Named Address Spaces): Mention c_register_addr_space.
        Remove TARGET_ADDR_SPACE_KEYWORDS.

2010-05-27  Joseph Myers  <joseph@codesourcery.com>

        * input.c: New file.
        * input.h (main_input_filename): Move declaration to toplev.h.
        * toplev.c (input_location, line_table): Move to input.c
        * toplev.h (main_input_filename): Move declaration from input.h.
        * tree.c (expand_location): Move to input.c.
        * Makefile.in (OBJS-common): Add input.o.
        (input.o): Add dependencies.

2010-05-27  Richard Guenther  <rguenther@suse.de>

        * lto-wrapper.c (maybe_unlink_file): Ignore unlink failure
        for non-existant files.
        (fork_execute): Mark args_name file as deleted.

2010-05-27  Kai Tietz  <kai.tietz@onevision.com>

        PR bootstrp/44287
        * c-lex.c (narrowest_unsigned_type): Check for NULL_TREE.
        (narrow_signed_type): Likewise.

2010-05-26  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (verify_cgraph_node): Do checking that DECL match
        edge only when checking is enabled; check using former_clone_of;
        check inline clones too.
        (cgraph_materialize_clone): Record former_clone_of pointer.
        (cgraph_redirect_edge_call_stmt_to_callee): Assert that we are not
        combining redirections; dump args_to_skip bitmap
        (cgraph_materialize_all_clones): Do no redirection here.
        * ipa-inline.c (inline_transform): Do redirection here.
        * cgraph.h (struct cgraph_node): Add former_clone_of filed (enabled
        cheking only).

2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>

        * config/avr/avr-c.c: Do not include regs.h.
        Include cpplib.h for cpp_define and tree.h for c-common.h.
        * config/avr/avr-devices.c (avr_mcu_types): Fix initializer.
        * config/avr/t-avr: Fix dependencies for avr-c.o.

2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>

        * explow.c (set_stack_check_libfunc): Adjust to accept name as a
        string instead of SYMBOL_REF rtx.
        * rtl.h (set_stack_check_libfunc): Move prototype from here...
        * libfuncs.h: ...to here.  Adjust for explow.c change.

2010-05-26  Joseph Myers  <joseph@codesourcery.com>

        * pretty-print.c: Don't include ggc.h.
        (identifier_to_locale_alloc, identifier_to_locale_free): Define.
        (identifier_to_locale): Use them for allocation.
        * pretty-print.h (identifier_to_locale_alloc,
        identifier_to_locale_free): Declare.
        * toplev.c (alloc_for_identifier_to_locale): New.
    &n