passes.c (finish_optimization_passes): Change i to int.

[gcc.git] / gcc / ChangeLog

2009-05-14  Ian Lance Taylor  <iant@google.com>

        * passes.c (finish_optimization_passes): Change i to int.
        * plugin.c (plugins_active_p): Change event to int.
        (dump_active_plugins): Likewise.
        * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
        Add cast.
        * tree.c (tree_range_check_failed): Change c to unsigned int.
        (omp_clause_range_check_failed): Likewise.
        (build_common_builtin_nodes): Change mode to int.  Add cast.
        * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
        (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.

        * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
        ++ or -- with a variable of enum type.

2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>

        PR driver/40144
        * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.

2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>

        * store-motion.c: Do not include params.h
        * Makefile.in: Fix dependencies for various files.

2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>

        * auto-inc-dec.c: Fix pass description, remove apparent
        accidental duplication.

2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/40147
        * ipa-utils.h (memory_identifier_string): Moved to ...
        * tree.h (memory_identifier_string): Here.  Add GTY(()).

2009-05-14  Paolo Bonzini  <bonzini@gnu.org>

        * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
        in the former documentation of...
        (GO_IF_LEGITIMATE_ADDRESS): ... this.
        * ira-conflicts.c (get_dup_num): Use address_operand.
        * targhooks.c (default_legitimate_address_p): New.
        * targhooks.h (default_legitimate_address_p): New.
        * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
        Call hook.
        * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
        * target.h (struct target): Add legitimate_address_p.
        * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
        (TARGET_INITIALIZER): Include it.

        * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
        * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        (REG_OK_STRICT_P): Delete.
        * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
        (frv_legitimate_address_p_1): ... this.
        * config/frv/frv.c (frv_legitimate_address_p): Forward to...
        (frv_legitimate_address_p_1): ... the renamed old
        frv_legitimate_address_p.
        * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/s390/s390-protos.h (legitimate_address_p): Remove.
        * config/s390/s390.c (legitimate_address_p): Rename to...
        (s390_legitimate_address_p): ... this, make static.
        (legitimize_address): Adjust call.
        (TARGET_LEGITIMATE_ADDRESS_P): New.
        * config/s390/constraints.md ("e"): Call strict_memory_address_p.

        * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
        * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/spu/spu-protos.h (spu_legitimate_address): Remove.
        * config/spu/spu.c (spu_legitimate_address): Rename to...
        (spu_legitimate_address_p): ... this, make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
        * config/sparc/sparc.c (legitimate_address_p): Rename to...
        (sparc_legitimate_address_p): ... this, make static and return bool.
        (legitimize_address): Adjust call.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/i386/i386-protos.h (legitimate_address_p): Remove.
        * config/i386/i386.c (legitimate_address_p): Rename to...
        (ix86_legitimate_address_p): ... this, make static.
        (constant_address_p): Move after it, adjust call.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/avr/avr-protos.h (legitimate_address_p): Remove.
        * config/avr/avr.c (legitimate_address_p): Rename to...
        (avr_legitimate_address_p): ... this, make static.
        (legitimize_address): Adjust call.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
        * config/crx/crx.c (crx_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
        * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
        Remove.
        * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
        Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
        Remove.
        * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
        Rename to...
        (m68hc11_legitimate_address_p): ... this, make static.
        (go_if_legitimate_address_internal): Rename to...
        (m68hc11_legitimate_address_p_1): ... this.
        (legitimize_address): Adjust call.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
        Remove.
        * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
        Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
        * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
        (mn10300_legitimate_address_p): ... this, make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
        * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
        (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
        * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
        * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
        (rs6000_legitimate_address_p): ... this, make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.
        (REG_MODE_OK_FOR_BASE_P): Delete.
        (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.

        * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
        Delete.
        * config/picochip/picochip.c (picochip_legitimate_address_p): Make
        static, adjust types.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/score/score.c (score_address_p): Rename to...
        (score_legitimate_address_p): ... this.
        (TARGET_LEGITIMATE_ADDRESS_P): New.
        * config/score/score3.c (score3_address_p): Rename to...
        (score3_legitimate_address_p): ... this.
        * config/score/score7.c (score7_address_p): Rename to...
        (score7_legitimate_address_p): ... this.

        * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
        THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
        GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/arm/arm-protos.h (thumb1_legitimate_address_p,
        thumb2_legitimate_address_p): Delete.
        (arm_legitimate_address_p): Rename to...
        (arm_legitimate_address_outer_p): ... this.
        * config/arm/constraints.md ("Uq"): Adjust call.
        * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
        * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
        (arm_legitimate_address_outer_p): ... this.
        (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
        * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/vax/vax-protos.h (legitimate_address_p): Remove.
        * config/vax/vax.c (legitimate_address_p): Rename to...
        (vax_legitimate_address_p): ... this, make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
        * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
        * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
        (mmix_legitimate_address_p): ... this, make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
        * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

2009-05-14  Paolo Bonzini  <bonzini@gnu.org>

        * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
        of MODE_COMPLEX_INT.

2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
        LCT_NORMAL in function call.
        * mips-tdump.c (print_file_desc): Add cast to enum type.
        * mips-tfile.c (add_ext_symbol): Add casts to enum types.
        (mark_stabs): Add casts to enum types.
        (parse_stabs_common): Add casts to enum types.
        
2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
        Check for invalid values of LETTER.

2009-05-13  Taras Glek  <tglek@mozilla.com>

       * attribs.c moved out attribute registration into register_attribute
       * doc/plugins.texi Documented register_attribute and PLUGIN_ATTRIBUTES
       * gcc-plugin.h Added forward decl for register_attribute
       * plugin.c Added PLUGIN_ATTRIBUTES boilerplate
       * plugin.h Added PLUGIN_ATTRIBUTES

2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
        values even in sentinel and empty entries.
        (ms_printf_flag_specs):  Likewise.
        (ms_scanf_flag_specs):  Likewise.
        (ms_strftime_flag_specs):  Likewise.
        (ms_print_char_table):  Likewise.
        (ms_scan_char_table):  Likewise.
        (ms_time_char_table):  Likewise.

2009-05-13  Doug Kwan  <dougkwan@google.com>

        * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.

2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (store): Add attributes for QI and HI.
        Update comment.
        (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
        (truncdi<mode>2): ... this new pattern.

2009-05-13  Brad Hards  <bradh@kde.org>

        * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.

2009-05-14  Jakub Jelinek  <jakub@redhat.com>
            Ben Elliston <bje@au.ibm.com>

        PR middle-end/40035
        * dse.c (check_mem_read_rtx): Guard against width == -1.

2009-05-13  Michael Matz  <matz@suse.de>

        PR middle-end/39976
        * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
        (trivially_conflicts_p): New function.
        (insert_backedge_copies): Use it.

2009-05-13  Janis Johnson  <janis187@us.ibm.com>

        * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
        (handle_stdc_pragma): Use new enum constant names.
        (handle_pragma_float_const_decimal64): Ditto.

2009-05-13  Ian Lance Taylor  <iant@google.com>

        * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
        tree.def.

2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>

        * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
        * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
        multilibs.
        * config/m68k/m68k.h (FL_UCLINUX): Define.

2009-05-13  Jan Hubicka  <jh@suse.cz>

        * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.

2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
        unless -fschedule-insns is specified.

2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/39561
        * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
        TARGET_EXPAND_CBRANCHDI4.
        * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
        * config/sh/sh.opt (mexpand-cbranchdi): Remove.
        (cmpeqdi): Fix comment.

2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
        (sh_legitimate_address_p): Likewise.
        * config/sh/sh.c (sh_legitimate_index_p): New.
        (sh_legitimate_address_p): Likewise.
        * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
        (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
        (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
        (MAYBE_BASE_REGISTER_RTX_P): New macro.
        (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
        (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
        (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
        (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
        (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.

2009-05-12  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c (estimate_operator_cost): Add operands;
        when division happens by constant, it is cheap.
        (estimate_num_insns): Loads and stores are not having cost of 0;
        EH magic stuff is cheap; when computing runtime cost of switch,
        use log2 base of amount of its cases; builtin_expect has cost of 0;
        compute cost for moving return value of call.
        (init_inline_once): Initialize time_based flags.
        * tree-inline.h (eni_weights_d): Add time_based flag.

2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

        * df-core.c: Update head documentation.

2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR bootstrap/40118
        * rs6000.c (rs6000_generate_compare): Use op1b instead of
        shadowing exisiting variable op1.

2009-05-12  Uros Bizjak  <ubizjak@gmail.com>

        PR target/37179
        * config/i386/driver-i386.c (processor_signatures): New enum.
        (SIG_GEODE): Move from vendor_signatures to processor_signatures.
        (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
        processor signature to detect geode processor.

2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

        Revert:

        2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

        * optabs.c (prepare_cmp_insn): Temporarily disable test that
        causes spurious differences between trunk and cond-optab branch.

2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

        * dojump.c (compare_from_rtx): Delete.
        * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
        any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
        if the comparison does not satisfy the predicate; test predicates for
        operands 2 and 3 of a cstore pattern.  Don't try cstore optab
        further if one existing pattern fails.
        * expr.h (compare_from_rtx): Delete.
        (prepare_operand): Declare it.
        * optabs.c: Change "lib call" to "libcall" throughout.
        (bcc_gen_fctn, setcc_gen_code, trap_rtx,
        HAVE_conditional_trap, emit_cmp_insn): Delete.
        (can_compare_p): Delete cmp_optab case.
        (prepare_float_lib_cmp): Return an rtx and a machine mode.
        Accept other parameters by value.
        (prepare_operand): Make non-static.
        (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
        other parameters by value.  Try to widen operands here based on
        an optab_methods argument and looking at cbranch_optab.
        (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
        loop.  Use cbranch_optab directly.
        (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
        prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
        assertion.
        (emit_conditional_move, emit_conditional_add): Inline what's needed
        of compare_from_rtx, using new prepare_cmp_insn for the rest.
        (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
        with COMPARE.  Move cmov_optab and cstore_optab above
        with cbranch_optab, move cmp_optab down with ucmp_optab,
        remove tst_otpab.  Do not initialize trap_rtx.
        (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
        for trap code.  Do not check HAVE_conditional_trap.  Use
        prepare_cmp_insn.  Accept no predicate for operand 3.
        * optabs.h (OTI_cmp): Mark as used only for libcalls.
        (OTI_ctrap, ctrap_optab): New.
        (tst_optab): Delete.
        (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
        * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
        with lookup of ctrap_optab.
        * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
        setcc_gen_code): Delete.
        (ctrap_optab): New.

        * combine.c (combine_simplify_rtx, simplify_set): Do not
        special case comparing against zero for cc0 machines.
        * simplify-rtx.c (simplify_binary_operation_1): Never remove
        COMPARE on cc0 machines.
        (simplify_relational_operation): Return a new expression when
        a COMPARE could be removed.
        * final.c (final_scan_insn): Compare cc_status values
        against LHS of a (compare FOO (const_int 0)) cc0 source.
        Also check if cc_status.value is the full compare.

        * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
        (cstoreMM4): Document.
        (conditional_trap): Document ctrapMM4 instead.
        (sync_compare_and_swapMM): Refer to cbranchcc4.
        (Dependent Patterns): Eliminate obsolete information referring to
        the old jump optimization phase.
        (Canonicalization): Include cbranchcc4 case, omit canonicalization
        of compares with 0 on cc0 machines.
        (Jump Patterns): Refer to MODE_CC jump patterns preferably,
        avoiding references to cc0.  Remove text about storing operands
        in cmpMM.
        * doc/tm.texi (Condition Codes): Include blurb on different
        condition code representations, separate into subsections for
        CC0, MODE_CC and conditional execution.

        * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
        alpha_emit_setcc): Accept operands and a machine mode.
        * config/alpha/alpha.c (alpha_emit_conditional_branch):
        Get code/op0/op1 from operands, use machine mode argument
        instead of alpha_compare.fp_p.  Emit the branch here.
        (alpha_emit_setcc): Likewise, and return boolean.
        (alpha_emit_conditional_move): Likewise.  Assert that
        cmp_op_mode == cmp_mode, and simplify accordingly.
        * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
        * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
        (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
        Delete.
        (stack probe test): Use cbranchdi4.
        * config/alpha/predicates.md (alpha_cbranch_operator): New.

        * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
        * config/arc/arc.h (movsicc, movsfcc): Use it.
        (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
        (cbranchsi4, cstoresi4): New.
        (cmpsi, bCC and sCC expanders): Remove. 

        * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
        * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
        * config/arm/predicates.md (arm_comparison_operator): Only include
        floating-point operators if there is a hardware floating-point unit.
        * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
        deferring to cbranch_cc and cstore_cc respectively.
        (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
        cbranch_cc, cstore_cc): New.
        (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
        arm_compare_op1.
        (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.

        * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
        * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
        as an argument.
        (adjust_insn_length): Adjust calls.
        (avr_reorg): Handle (compare (foo) (const_int 0)).
        * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
        (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
        (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
        (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
        (bCC): Remove.
        (cbranchqi4, cbranchhi4, cbranchsi4): New.
        (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.

        * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
        (cbranchsi4, cstorebi4, cstoresi4): New.
        (movbisi): This insn is duplicate, split it to zero_extend.
        * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
        (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
        (bfin_optimize_loop): Use cbranch expander.
        * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
        * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
        (bfin_bimode_comparison_operator): ... this.
        (bfin_direct_comparison_operator): New.
 
        * config/cris/cris.c (cris_normal_notice_update_cc): Look
        inside (compare FOO (const_int 0)).
        (cris_rtx_costs): Handle ZERO_EXTRACT.
        * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
        (*tstdi_non_v32): Fold in *cmpdi_non_v32.
        (*tstdi_v32): Delete.
        (*cmpdi_non_v32): Add M alternative for operand 1.
        (cmpsi, cmp<mode>): Make private.
        (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
        with COMPARE.
        (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.

        * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
        (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
        (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
        (cc_reg_operand): New.
        (any_cond): Delete.
        * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
        crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
        * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
        * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
        crx_expand_scond): Delete.

        * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
        (cbranchsi4): New.
        * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
        * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.

        * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
        cstoresi4, cstoresf4, cstoredf4): New.
        (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
        * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
        Receive the entire operands array.
        * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
        * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
        * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
        Get test/op0/op1 from the operands array.
        (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.

        * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
        (h8300_expand_store): New.
        * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
        (const_int 0)).
        (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
        (h8300_expand_store): New.
        * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
        or do not try to produce (set (cc0) REG).
        (peepholes): Wrap arguments with COMPARE.  Add a peephole to
        change a compare into a move to a scratch register.  Disable some
        peepholes when comparing with zero.
        (tstsi, tsthi, tstsi, cmpqi): Make private.
        (cmphi): Delete.
        (bCC, sCC): Delete.
        (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
        cstoresi4): New.

        * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
        ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
        (ix86_emit_i387_log1p): Use gen_cbranchxf4.
        (ix86_emit_i387_log1p): Use cbranchxf2.
        (ix86_expand_setcc): Return void.
        * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
        * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
        cmp<MODEF>, cmpcc): Remove.
        (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
        cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
        cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
        (sCC and bCC expanders): Remove.
        (stack_protect_test): Use cbranchcc4.

        * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
        Delete.
        (ia64_expand_compare): Accept three rtx by reference and return void.
        * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
        (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
        from *expr.  Update *expr with the BImode comparison to do.
        * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
        cmptf, bCC, sCC, conditional_trap): Delete.
        (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
        cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
        cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
        ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
        * config/ia64/predicates.md (ia64_cbranch_operator): New.

        * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
        type of last argument.
        * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
        (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
        use machine mode argument instead of branch_type.  Remove dead
        code for floating-point comparisons.
        * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
        * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
        Remove.
        (cbranchsi4, cstoresi4): New.
        * config/iq2000/predicates.md (reg_or_const_operand): New.

        * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
        * config/m32c/m32c.md (any_cond, gl_cond): Delete.
        (b<code>_op): Rewrite to...
        (bcc_op): ... this, using match_operator.
        (s<code>_op): Rewrite to...
        (scc_op): ... this, using match_operator.
        (s<code>_24_op): Rewrite to...
        (scc_op_24): ... this, using match_operator.
        (s<code>_<mode>): Rewrite to...
        (cstore<mode>4): ... this, using match_operator.
        (s<code>_<mode>_24): Rewrite to...
        (cstore<mode>4_24): ... this, using match_operator.
        * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
        m32c_unpend_compare, m32c_expand_scc): Delete.
        * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
        m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
        (m32c_expand_movcc): Change NE to EQ if necessary.
        (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.

        * config/m32r/m32r-protos.h (gen_cond_store): New.
        * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
        (gen_cond_store): New, from sCC patterns.
        (m32r_expand_block_move): Use cbranchsi4.
        * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
        * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
        (cbranchsi4, cstoresi4): New.
        
        * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
        Delete.
        (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
        (m68hc11_notice_update_cc): Look into a compare with 0.
        * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
        Delete.
        * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
        cmphi, cmpqi, bCC): Delete.
        (cbranchsi4, cbranchhi4, cbranchqi4): New.
        (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
        bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
        sets with COMPARE.

        * config/m68k/predicates.md (m68k_cstore_comparison_operator,
        const0_operand, const1_operand, m68k_subword_comparison_operand): New.
        * config/m68k/constraints.md (H): New.
        * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
        the define_insn below.
        (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
        (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
        *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
        patterns): Wrap RHS with COMPARE.
        (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
        (*cmpdi_internal): Name this pattern.
        (cmpdi): Change to define_insn.
        (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
        cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
        (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
        predicate.
        (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
        sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
        (conditional_trap): Change to...
        (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
        (*conditional_trap): Use the ordered_comparison_operator and
        const1_operand predicates.
        * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
        (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
        (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
        * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.

        * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
        mcore_modify_comparison, mcore_gen_compare_reg): Remove.
        (mcore_gen_compare): New. 
        * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
        (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
        (mcore_gen_compare): ... this.
        * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
        (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
        (stack probe pattern): Use cbranchsi4.

        * config/mips/predicates.md (mips_cstore_operator): New.
        * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
        * config/mips/mips.md (any_cond): Delete.
        (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
        always succeed.
        (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
        fixuns_truncsfdi2): Use cbranch patterns.
        (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
        (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
        Adjust call to mips_expand_conditional_branch.
        (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
        cstore<GPR:mode>4.
        * config/mips/mips-protos.h (mips_expand_conditional_branch,
        mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
        * config/mips/mips.c (cmp_operands): Delete.
        (mips_emit_compare): Get comparison operands from *op0/*op1.
        (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
        that it succeeds.  Use op0/op1 instead of cmp_operands.
        (mips_expand_conditional_branch, mips_expand_conditional_move,
        mips_expand_conditional_trap): Likewise.
        (mips_block_move_loop): Use cbranch patterns. 
        * config/mips/mips.h (cmp_operands): Delete.

        * config/mmix/mmix.c (mmix_valid_comparison): Delete.
        (mmix_gen_compare_reg): Just return a register in the right CC mode.
        * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
        * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
        (*cmpcc_folded): Rename to...
        (*cmpdi_folded): this.
        (*cmpcc): Rename to...
        (*cmps): ... this.
        (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
        (bCC): Remove.
        (cbranchdi4): New.
        (cbranchdf4): New.  Handle invalid comparisons here.
        * config/mmix/predicates.md (float_comparison_operator): New.

        * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
        zero_extract to be cheap in (compare (zero_extract) (const_int 0).
        * config/mn10300/mn10300.md (tst): Delete.
        (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
        Name these patterns and wrap RHS in a compare.
        (*cmpsi): Make this pattern private.  Include tst.
        (*cmpsf): Make this pattern private.
        (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
        (compare with zero peepholes): Likewise.
        (bCC): Remove.
        (cbranchsi4, cbranchsf4): New.
        (casesi): Use cbranchsi4.

        * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
        hppa_branch_type): Delete.
        (return_addr_rtx): Use cbranchsi4.
        (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
        Emit CCFPmode comparison here.
        (gen_cmp_fp): Delete, now part of emit_bcond_fp.
        * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
        hppa_branch_type): Delete.
        * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
        (movsicc, movdicc): Remove references to hppa_compare_op0,
        hppa_compare_op1 and compare_from_rtx.
        (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
        (casesi): Use cbranchsi4.

        * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
        * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
        * config/pdp11/pdp11.md (register_or_const0_operand): New.
        (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
        (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
        (bCC): Delete.
        (cbranchdf4, cbranchhi4, cbranchqi4): New.
        (*branch, *branch_inverted): New.

        * config/picochip/picochip.md (cbranchhi4): Use
        ordered_comparison_operator.
        (cmphi, bCC): Remove.

        * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
        (trap_comparison_operator): Delete.
        * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
        rs6000_emit_cbranch): Accept mode and operands.
        * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
        rs6000_compare_fp_p): Delete.   
        (rs6000_generate_compare): Accept mode and comparison.  Extract code
        and op0/op1 from there.  Replace references to rs6000_compare_op0
        and rs6000_compare_op1.
        (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
        extract result from passed operands.
        (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
        extract loc from passed operands.
        (rs6000_emit_cmove): Likewise.
        * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
        rs6000_compare_fp_p): Delete.
        * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
        (cbranch<GPR>4, cbranch<FP>4): New.
        (cstore<mode>4): New.  Consolidate here all choices about when to use
        portable or specialized sCC sequences.
        (stack_protect_test): Use cbranchsi4.
        (conditional_trap): Replace with ctrap<GPR>4.
        (conditional trap insn): Replace trap_comparison_operator with
        ordered_comparison_operator. 

        * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
        (s390_emit_prologue): Use ctrap.
        * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
        * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
        New predicates replacing...
        * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
        (cmp<GPR>, cmp<FP>, cmpcc): Delete.
        (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
        (add<mode>cc): Do not use s390_compare_op0/op1.
        (s<code>): Change to...
        (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
        (seq): Change to...
        (cstorecc4): ... this.  Handle EQ or NE equally.
        (*sne): Un-privatize for use in cstorecc4.
        (b<code>): Change to...
        (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
        (conditional_trap): Replace with...
        (ctrap<GPR>4, ctrap<FP>4): ... these.
        (stack_protect): Use cbranchcc4.

        * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
        * config/score/score-protos.h (score_gen_cmp): Delete.
        * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
        (score_block_move-loop): Use cbranchsi4.
        * config/score/score.md (cbranchsi4): New.
        (cmpsi, bCC): Delete.
        * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
        (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
        * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
        (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
        * config/score/score3.h (score3_gen_cmp): Delete.
        * config/score/score7.h (score7_gen_cmp): Delete.

        * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
        (sh_emit_scc_to_t): ... this.  Return void.
        (from_compare): Rename to...
        (sh_emit_compare_and_branch): ... this.
        (sh_emit_compare_and_set): New.
        (sh_expand_t_scc): Accept operands.
        * config/sh/predicates.md (sh_float_comparison_operator): New.
        * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
        (prepare_scc_operands): Rename to...
        (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
        arguments.
        (sh_emit_cheap_store_flag): New.
        (sh_emit_set_t_insn): New.
        (from_compare): Rename to...
        (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
        handling of TARGET_SH2E floating point to avoid recursive call.
        Generate branch here.
        (sh_emit_compare_and_set): New.
        (sh_expand_t_scc): Get op0/op1 from arguments.
        (sh_emit_cheap_store_flag): New.
        * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
        cases.
        (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
        (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
        (movsicc, movdicc): Do nothing when it recreated operands from
        sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
        prepare_scc_operands (now sh_emit_scc_to_t).
        (udivdi3): Use cstoresi4.
        (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
        bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
        (cbranchint4_media, cbranchfp4_media): New.
        (casesi): Use cbranchdi4.
        (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
        Delete.
        (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
        (movnegt): Remove second operand.
        (cbranchsf4, cbranchdf4): New.
        (stack_protect): Use cbranchdi4/cbranchsi4.

        * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
        (gen_compare_reg): Accept comparison, extract part of it to...
        (gen_compare_reg_1): ... this. 
        (gen_compare_operator): Delete.
        (gen_v9_scc): Accept separate destination, comparison code and arms.
        Do not use sparc_compare_op0/sparc_compare_op1.
        (emit_scc_insn, emit_conditional_branch_insn): New.
        (emit_v9_brxx): Make static.  Remove useless assertion.
        (sparc_emit_float_lib_cmp): Return RTL instead of calling
        emit_cmp_insn.
        (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
        * config/sparc/sparc-protos.h (gen_compare_reg,
        sparc_emit_float_lib_cmp): Adjust prototype.
        (emit_scc_insn, emit_conditional_branch_insn): New.
        (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
        * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
        * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
        iterators to the top.
        (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
        snesi_special_extend, sCC, bCC, seqdi_special_trunc,
        snedi_special_trunc): Delete.
        (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
        and snedi_special_trunc.
        (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
        cbranchdi4, cbranch<F:mode>4): New.
        (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
        here.  Use gen_compare_reg instead of gen_compare_operator.
        (conditional_trap): Replace with...
        (ctrapsi4, ctrapdi4): ... this.
        (stack_protect_test): Use cbranchcc4.

        * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
        argument to rtx.
        * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
        (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
        Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
        from operands[0] or operands[3] depending on is_set.
        * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
        * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
        cmpdf, bCC), sCC: Remove.
        (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
        cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
        cstoredf4): New.
        (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
        spu_emit_branch_or_set.

        * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
        Add two arguments.
        * config/stormy16/stormy16.h (xstormy16_compare_op0,
        xstormy16_compare_op1): Delete.
        * config/stormy16/stormy16.c (xstormy16_compare_op0,
        xstormy16_compare_op1): Delete. 
        (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
        Adjust calls.
        * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
        (cmphi, cmpsi, bCC): Remove.

        * config/v850/v850.md (tstsi, cmpsi): Fold into...
        (*cmpsi): ... this one.
        (cbranchsi4, cstoresi4): New.
        (bCC expanders): Delete.
        (sCC insns): Fold into...
        (*setcc): ... this one.
        (casesi): Do not use gen_cmpsi and gen_bgtu. 
        (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
        (movsicc): Simplify.
        * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.

        * config/vax/vax-protos.h (cond_name): New.
        (vax_output_conditional_branch): Remove.
        * config/vax/vax.c (cond_name): New.
        (vax_output_conditional_branch): Remove.
        * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
        * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
        (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
        (bit<VAXint>): Wrap source with (compare).
        (b<code> and following unnamed pattern): Rename to *branch and
        *branch_reversed.  Change macroization to match_operator.
        (cbranch<VAXint>4, cbranch<VAXfp>4): New.

        * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
        * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
        Change last argument to machine_mode.
        (xtensa_expand_scc): Add machine_mode argument.
        * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
        (gen_conditional_move, xtensa_expand_conditional_branch,
        xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
        instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
        Adjust operand numbers.
        * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
        Delete.
        * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
        (cmpsi, cmpsf, b<code>, s<code>): Delete.
        (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.

2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

        * optabs.c (prepare_cmp_insn): Temporarily disable test that
        causes spurious differences between trunk and cond-optab branch.

2009-05-12  Alexandre Oliva  <aoliva@redhat.com>

        PR target/37137
        * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.

2009-05-12  Alexandre Oliva  <aoliva@redhat.com>

        * tree.c (iterative_hash_pointer): Delete.
        (iterative_hash_expr): Short-circuit handling of NULL pointer.
        Hash UIDs and versions of SSA names.  Don't special-case built-in
        function declarations.

2009-05-11  Ian Lance Taylor  <iant@google.com>

        PR bootstrap/40103
        * graphite.c: Force -Wc++-compat to only be a warning before
        #including "cloog/cloog.h".

2009-05-11  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
        
2009-05-11  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-loop-ivcanon.c: Include target.h
        (struct loop_size): new structure.
        (constant_after_peeling): New predicate.
        (tree_estimate_loop_size): New function.
        (estimated_unrolled_size): Rewrite for new estimates.
        (try_unroll_loop_completely): Use new estimates.
        * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h

2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
        libcpp interface change.
        (spu_macro_to_expand): Likewise.

2009-05-11  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/40026
        * gimplify.c (gimplify_init_constructor): Change initial conditional
        to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
        optimize_compound_literals_in_ctor.

2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>

        * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
        New devices.
        * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.

2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>

        * tree-vect-data-refs.c (vect_analyze_group_access): Use
        HOST_WIDE_INT for gap.

2009-05-11  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/40074
        * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
        account in group size and step comparison.

2009-05-11  Richard Guenther  <rguenther@suse.de>

        * passes.c (init_optimization_passes): Strip now incorrect comment.
        (execute_function_todo): Do not set PROP_alias.
        * tree-pass.h (PROP_alias): Remove.
        * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
        * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
        * tree-nrv.c (pass_return_slot): Likewise.
        * tree-object-size.c (pass_object_sizes): Likewise.
        * tree-ssa-dom.c (pass_dominator): Likewise.
        (pass_phi_only_cprop): Likewise.
        * tree-ssa-dse.c (pass_dse): Likewise.
        * tree-ssa-phiopt.c (pass_phiopt): Likewise.
        (pass_cselim): Likewise.
        * tree-ssa-pre.c (pass_pre): Likewise.
        (pass_fre): Likewise.
        * tree-ssa-reassoc.c (pass_reassoc): Likewise.
        * tree-ssa-sink.c (pass_sink_code): Likewise.
        * tree-stdarg.c (pass_stdarg): Likewise.
        * tree-tailcall.c (pass_tail_calls): Likewise.
        * tree-vrp.c (pass_vrp): Likewise.

2009-05-10  Ian Lance Taylor  <iant@google.com>

        * basic-block.h (enum profile_status): Break out of struct
        control_flow_graph.
        * cgraph.h (struct inline_summary): Break out of struct
        cgraph_local_info.
        * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
        of struct cgraph_order_sort.
        * combine.c (enum undo_kind): New enum, broken out of struct undo.
        * cse.c (struct branch_path): Break out of struct
        cse_basic_block_data.
        * except.h (enum eh_region_type): Break out of struct eh_region.
        * gcc.c (enum add_del): Break out of struct modify_target.
        * genrecog.c (enum decision_type): Break out of struct decision_test.
        * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
        ggc_pch_data.
        * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
        * regmove.c (enum match_use): New enum, broken out of struct match.
        * sched-int.h (enum post_call_group): New enum, broken out of
        struct deps.
        (struct deps_reg): Break out of struct deps.
        * target.h (struct asm_int_op): Break out of struct gcc_target.
        * tree-eh.c (struct goto_queue_node): Break out of struct
        leh_tf_state.
        * tree-inline.h (enum copy_body_cge_which): Break out of
        copy_body_data.
        * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.

        * c-decl.c (in_struct, struct_types): New static variables.
        (pushtag): Add loc parameter.  Change all callers.
        (lookup_tag): Add ploc parameter.  Change all callers.
        (check_compound_literal_type): New function.
        (parser_xref_tag): Add loc parameter.  Change all callers.  If
        -Wc++-compat, warn about struct/union/enum types defined within a
        struct or union.
        (start_struct): Add enclosing_in_struct, enclosing_struct_types,
        and loc parameters.  Change all callers.  Change error calls to
        error_at, using loc.  For a redefinition, if the location of the
        original definition is known, report it.  Set in_struct and
        struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
        (finish_struct): Add new parameters enclosing_in_struct and
        enclosing_struct_types.  Change all callers.  Set
        C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
        in the struct.  If in a struct, add this struct to struct_types.
        (start_enum): Add loc parameter.  Change all callers.  Use
        error_at for errors, using loc.  For a redefinition, if the
        location of the original definition is known, report it.  If in a
        struct, add this enum type to struct_types.  If -Wc++-compat warn
        if in sizeof, typeof, or alignof.
        * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
        (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
        (c_parser_enum_specifier): Get enum location for start_enum.
        (c_parser_struct_or_union_specifier): Get struct location for
        start_struct.  Save in_struct and struct_types status between
        start_struct and finish_struct.
        (c_parser_cast_expression): Get location of cast.
        (c_parser_alignof_expression): Get location of type.
        (c_parser_postfix_expression): Likewise.
        (c_parser_postfix_expression_after_paren_type): Add type_loc
        parameter.  Change all callers.  Call check_compound_literal_type.
        Use type_loc for error about variable size type.
        * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
        of an enum constant from an enum type defined in a struct or union.
        (c_cast_expr): Add loc parameter.  Change all callers.  If
        -Wc++-compat, warn about defining a type in a cast.
        * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
        (start_enum, start_struct, finish_struct): Update declarations.
        (parser_xref_tag, c_cast_expr): Update declarations.
        (check_compound_literal_type): Declare.

2009-05-11  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
        for recent libcpp interface change.
        (rs6000_macro_to_expand): Likewise.

2009-05-10  Michael Matz  <matz@suse.de>

        PR target/40031
        * config/arm/arm.c (require_pic_register): Emit on entry edge,
        not at entry of function.

2009-05-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40081
        Revert
        * tree-sra.c (instantiate_element): Instantiate scalar replacements
        using the main variant of the element type.  Do not fiddle with
        TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.

        * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
        structs with volatile fields.

2009-05-10  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
        (estimate_move_cost): Assert that it does not get called for
        VOID_TYPE_P.
        (estimate_num_insns): Skip VOID types in argument handling.
        (optimize_inline_calls): Delete unreachable blocks and verify that
        callgraph is valid.

2009-05-10  Jan Hubicka  <jh@suse.cz>

        * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
        * cgraph.c (cgraph_mark_address_taken_node): New function.
        (dump_cgraph_node): Dump new flag.
        * cgraph.h (struct cgraph_node): Add address_taken.
        (cgraph_mark_address_taken_node): New function.
        * ipa.c (cgraph_postorder): Prioritize functions with address taken
        since new direct calls can be born.

2009-05-10  Joseph Myers  <joseph@codesourcery.com>

        * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
        tok->val.node.node.

2009-05-10  Jan Hubicka  <jh@suse.cz>

        PR middle-end/40084
        * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
        argument; rewrite.
        (cgraph_update_edges_for_call_stmt): Take old_decl argument.
        * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
        * tree-inline.c (copy_bb): Set frequency correctly.
        (fold_marked_statements): Update call to
        cgraph_update_edges_for_call_stmt.

2009-05-10  Joseph Myers  <joseph@codesourcery.com>

        * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
        identifiers in diagnostics.
        * config/arm/arm.c (arm_handle_fndecl_attribute,
        arm_handle_isr_attribute): Likewise.
        * config/avr/avr.c (avr_handle_progmem_attribute,
        avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
        Likewise.
        * config/bfin/bfin.c (handle_int_attribute,
        bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
        bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
        bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
        Likewise.
        * config/darwin.c (darwin_handle_kext_attribute,
        darwin_handle_weak_import_attribute): Likewise.
        * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
        h8300_handle_eightbit_data_attribute,
        h8300_handle_tiny_data_attribute): Likewise.
        * config/i386/i386.c (ix86_handle_cconv_attribute,
        ix86_handle_abi_attribute, ix86_handle_struct_attribute):
        Likewise.
        * config/i386/winnt.c (ix86_handle_shared_attribute,
        ix86_handle_selectany_attribute): Likewise.
        * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
        * config/m32c/m32c.c (function_vector_handler): Likewise.
        * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
        m68hc11_handle_fntype_attribute): Likewise.
        * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
        * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
        * config/mips/mips.c (mips_insert_attributes,
        mips_merge_decl_attributes, mips_expand_builtin): Likewise.
        * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
        rs6000_handle_struct_attribute): Likewise.
        * config/sh/sh.c (sh_insert_attributes,
        sh_handle_resbank_handler_attribute,
        sh_handle_interrupt_handler_attribute,
        sh2a_handle_function_vector_handler_attribute,
        sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
        Likewise.
        * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
        * config/spu/spu.c (spu_handle_fndecl_attribute,
        spu_handle_vector_attribute): Likewise.
        * config/stormy16/stormy16.c
        (xstormy16_handle_interrupt_attribute): Likewise.
        * config/v850/v850-c.c (ghs_pragma_section): Likewise.
        * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.

2009-05-10  Joseph Myers  <joseph@codesourcery.com>

        * pretty-print.h (struct pretty_print_info): Add
        translate_identifiers.
        (pp_translate_identifiers): New.
        (pp_identifier): Only conditionally translate identifier to locale
        character set.
        * pretty-print.c (pp_construct): Set pp_translate_identifiers.
        (pp_base_tree_identifier): Only conditionally translate identifier
        to locale character set.
        * c-pretty-print.c (M_): Define.
        (pp_c_type_specifier, pp_c_primary_expression): Mark English
        fragments for conditional translation with M_.
        * tree-pretty-print.c (maybe_init_pretty_print): Disable
        identifier translation.

2009-05-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40081
        * tree-sra.c (instantiate_element): Instantiate scalar replacements
        using the main variant of the element type.  Do not fiddle with
        TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.

2009-05-09  Jan Hubicka  <jh@suse.cz>

        PR middle-end/40080
        * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
        indirect calls; verify cgraph afterwards.

2009-05-09  Jan Hubicka  <jh@suse.cz>

        PR bootstrap/40082
        * ipa.c (update_inlined_to_pointer): New function.
        (cgraph_remove_unreachable_nodes): Use it.

2009-05-09  Jan Hubicka  <jh@suse.cz>

        * tree-eh.c (struct leh_state): Remove prev_try.
        (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
        not track prev_try.
        * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
        copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
        remove_eh_handler_and_replace, foreach_reachable_handler,
        verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
        * except.h (struct eh_region): Remove eh_region_u_cleanup.
        (gen_eh_region_cleanup): Update prototype.

2009-05-09  Jan Hubicka  <jh@suse.cz>

        PR middle-end/40043
        * except.c (copy_eh_region): Always set prev_try.
        (redirect_eh_edge_to_label): Find outer try.
        (foreach_reachable_handler): When looking for prev try
        handle case where previous try is not going to be taken.

2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR tree-optimization/40049
        * tree-vect-stmts.c (vectorizable_operation): If the machine has
        only vector/vector shifts, convert the type of the constant to the
        appropriate type to avoid building incorrect trees, which
        eventually have problems with garbage collection.

2009-05-08  Joseph Myers  <joseph@codesourcery.com>

        * fold-const.c (fold_binary): Do not fold multiplication by 1 or
        -1 for complex floating-point types if honoring signed zeros.

2009-05-08  Jan Hubicka  <jh@suse.cz>

        * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
        argument; handle correctly when profile is absent.
        (build_cgraph_edges): Update.
        (rebuild_cgraph_edges): Update.
        * cgraph.c: Do not include varray.h.
        (cgraph_set_call_stmt_including_clones): New function.
        (cgraph_create_edge_including_clones): Likewise
        (cgraph_update_edges_for_call_stmt_node): New static cfunction.
        (cgraph_update_edges_for_call_stmt): Handle clones.
        (cgraph_remove_node): Handle clone tree.
        (cgraph_remove_node_and_inline_clones): New function.
        (dump_cgraph_node): Dump clone tree.
        (cgraph_clone_node): Handle clone tree.
        (clone_function_name): Bring here from tree-inline.c.
        (cgraph_create_virtual_clone): New function.
        * cgraph.h (ipa_replace_map): Move here from ipa.h.
        (cgraph_clone_info): New function.
        (strut cgraph_node): Add clone_info and new clone tree pointers.
        (cgraph_remove_node_and_inline_clones,
        cgraph_set_call_stmt_including_clones,
        cgraph_create_edge_including_clones,
        cgraph_create_virtual_clone): Declare.
        (cgraph_function_versioning): Use VEC argument.
        (compute_call_stmt_bb_frequency): Update prototype.
        (cgraph_materialize_all_clones): New function.
        * ipa-cp.c (ipcp_update_cloned_node): Remove.
        (ipcp_create_replace_map): Update to VECtors.
        (ipcp_update_callgraph): Use virtual clones.
        (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
        (ipcp_update_profiling): Do not update local profiling.
        (ipcp_insert_stage): Use VECtors and virtual clones.
        * cgraphunit.c (verify_cgraph_node): Verify clone tree.
        (clone_of_p): New function.
        (cgraph_preserve_function_body_p): Use clone tree.
        (cgraph_optimize): Materialize clones.
        (cgraph_function_versioning): Update for VECtors.
        (save_inline_function_body): Use clone tree.
        (cgraph_materialize_clone): New function.
        (cgraph_materialize_all_clones): Likewise.
        * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
        * ipa.c: Include gimple.h.
        (cgraph_remove_unreachable_nodes): Use clone tree.
        * ipa-prop.c (ipa_note_param_call): Update call to
        compute_call_stmt_bb_frequencycall.
        * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
        * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
        (copy_bb): Handle updating of clone tree; add new edge when new call
        appears.
        (expand_call_inline): Be strict about every call having edge.
        (clone_fn_id_num, clone_function_name): Move to cgraph.c.
        (delete_unreachable_blocks_update_callgraph): New function.
        (tree_function_versioning): Use VECtors; always remove unreachable
        blocks and fold conditionals.
        * tree-inline.h: Do not include varray.h.
        (tree_function_versioning): Remove.
        * Makefile.in (GTFILES): Remove tree-inline.c
        * passes.c (do_per_function): Do only functions having body.
        * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
        tree.

2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
            Andrew Morrow  <acm@google.com>

        PR c/36892
        * c-common.c (c_common_attribute_table): Permit deprecated
        attribute to take an optional argument.
        (handle_deprecated_attribute): If the optional argument to
        __attribute__((deprecated)) is not a string ignore the attribute
        and emit a warning.

        * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
        * c-typeck.c (build_component_ref): Likewise.
        (build_external_ref): Likewise.

        * toplev.c (warn_deprecated_use): Add an attribute argument.
        Emit the message associated with __attribute__((deprecated)).

        * toplev.h (warn_deprecated_use): Updated.

        * doc/extend.texi: Document new optional parameter to
        __attribute__((deprecated))

2009-05-08  Michael Eager <eager@eagercon.com>

        * config/rs6000/rs6000.md (*movdf_softfloat32): replace
        !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.

2009-05-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40062
        * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
        Avoid exponential behavior.

2009-05-08  Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/33928
        PR 26854
        * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
        process_uses, build_single_def_use_links): New.
        (update_df): Update use_def_ref.
        (forward_propagate_into): Use get_def_for_use instead of use-def
        chains.
        (fwprop_init): Call build_single_def_use_links and let it initialize
        dataflow.
        (fwprop_done): Free use_def_ref.
        (fwprop_addr): Eliminate duplicate call to df_set_flags.
        * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
        df_rd_simulate_one_insn): New.
        (df_rd_bb_local_compute_process_def): Update head comment.
        (df_chain_create_bb): Use the new RD simulation functions.
        * df.h (df_rd_simulate_artificial_defs_at_top, 
        df_rd_simulate_one_insn): New.
        * opts.c (decode_options): Enable fwprop at -O1.
        * doc/invoke.texi (-fforward-propagate): Document this.

2009-05-08  Joseph Myers  <joseph@codesourcery.com>

        PR c/24581
        * c-typeck.c (build_binary_op): Handle arithmetic between one real
        and one complex operand specially.
        * tree-complex.c (some_nonzerop): Do not identify a real value as
        zero if flag_signed_zeros.

2009-05-08  Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/33928
        * loop-invariant.c (record_use): Fix && vs. || mishap.

2009-05-08  Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/33928
        * loop-invariant.c (struct use): Add addr_use_p.
        (struct def): Add n_addr_uses.
        (struct invariant): Add cheap_address.
        (create_new_invariant): Set cheap_address.
        (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
        (record_uses): Pass df_ref to record_use.
        (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
        used only as such.

2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c: Do not include c-pragma.h.

2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/spu/spu.c: Remove include of c-common.h.

2009-05-07  Janis Johnson  <janis187@us.ibm.com>

        PR c/39037
        * c-common.h (mark_valid_location_for_stdc_pragma,
        valid_location_for_stdc_pragma_p, set_float_const_decimal64,
        clear_float_const_decimal64, float_const_decimal64_p): New.
        * c.opt (Wunsuffixed-float-constants): New.
        * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
        unsuffixed float constant, handle new warning.
        * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
        * c-decl.c (c_scope): New flag float_const_decimal64.
        (set_float_const_decimal64, clear_float_const_decimal64,
        float_const_decimal64_p): New.
        (push_scope): Set new flag.
        * c-parser.c (c_parser_translation_unit): Mark when it's valid
        to use STDC pragmas.
        (c_parser_external_declaration): Ditto.
        (c_parser_compound_statement_nostart): Ditto.
        * c-pragma.c (valid_location_for_stdc_pragma,
        mark_valid_location_for_stdc_pragma,
        valid_location_for_stdc_pragma_p, handle_stdc_pragma,
        handle_pragma_float_const_decimal64): New.
        (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
        * cp/semantics.c (valid_location_for_stdc_pragma_p,
        set_float_const_decimal64, clear_float_const_decimal64,
        float_const_decimal64_p): New dummy functions.
        * doc/extend.texi (Decimal Float): Remove statement that the
        pragma, and suffix for double constants, are not supported.
        * doc/invoke.texi (Warning Options): List new option.
        (-Wunsuffixed-float-constants): New.

2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>

        * config/i386/i386.c: Do not include c-common.h.

2009-05-07  Mark Heffernan  <meheff@google.com>

        * doc/invoke.texi (Debugging Options): Document change of debugging
        dump location.
        * opts.c (decode_options): Make dump_base_name relative to
        aux_base_name directory.

2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>

        * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
        * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.

2009-05-07  Rafael Avila de Espindola  <espindola@google.com>

        * Makefile.in (install-plugin): Simplify a bit.

2009-05-07  Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.in (OBJS-common): Add regcprop.o.
        (regcprop.o): New.
        * timevar.def (TV_CPROP_REGISTERS): New.
        * regrename.c (regrename_optimize): Return 0.
        (rest_of_handle_regrename): Delete.
        (pass_rename_registers): Point to regrename_optimize.
        (struct value_data_entry, struct value_data, 
        kill_value_one_regno, kill_value_regno, kill_value,
        set_value_regno, init_value_data, kill_clobbered_value,
        kill_set_value, kill_autoinc_value, copy_value,
        mode_change_ok, maybe_mode_change, find_oldest_value_reg,
        replace_oldest_value_reg, replace_oldest_value_addr,
        replace_oldest_value_mem, copyprop_hardreg_forward_1,
        debug_value_data, validate_value_data): Move...
        * regcprop.c: ... here.
        (rest_of_handle_cprop): Delete.
        (pass_cprop_hardreg): Point to copyprop_hardreg_forward.

2009-05-07  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/40057
        * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
        GEN_INT for 1 << bitnum.
        (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
        build_int_cst_type.

2009-05-07  Uros Bizjak  <ubizjak@gmail.com>

        * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
        Remove wrong description of "nand" operation.

2009-05-06  Richard Guenther  <rguenther@suse.de>
            Adam Nemet  <anemet@caviumnetworks.com>

        * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
        comment.  Add that if LHS is not a gimple register, then RHS1 has
        to be a single object (GIMPLE_SINGLE_RHS).

2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>

        * expr.c (get_def_for_expr): Move it up in the file.
        (store_field): When expanding a bit-field store, look at the
        defining gimple stmt for the masking conversion.

2009-05-06  Janis Johnson  <janis187@us.ibm.com>

        PR middle-end/39986
        * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
        decode_decimal64, encode_decimal128, decode_decimal128): Avoid
        32-bit memcpy into long.

2009-05-06  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
        (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
        new_reg_loc_descr.
        (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
        instead of appending DW_OP_deref*.

2009-05-06  Michael Matz  <matz@suse.de>

        PR middle-end/40021
        * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
        (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.

2009-05-06  Rafael Avila de Espindola  <espindola@google.com>

        * Makefile.in (install-plugin): Fix srcdir handling.

2009-05-06  Andrey Belevantsev  <abel@ispras.ru>

        * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
        when processing for not_regs_needed bitmap.
        * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
        handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
        handling it for rhs. 

2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (unnamed inc/dec peephole): Use
        optimize_insn_for_size_p instead of optimize_size.
        * config/i386/predicates.md (incdec_operand): Likewise.
        (aligned_operand): Likewise.
        * config/i386/sse.md (divv8sf3): Likewise.
        (sqrtv8sf2): Likewise.

2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_build_signbit_mask): Make it static.

        * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.

2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
        ssemodesuffixf2c with avxmodesuffixf2c.

2009-05-06  Joseph Myers  <joseph@codesourcery.com>

        PR c/40032
        * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.

2009-05-05  Jakub Jelinek  <jakub@redhat.com>

        * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
        (struct tree_base): Adjust spacing for 8 bit boundaries.
        (struct tree_decl_common): Add decl_by_reference_flag bit.
        (DECL_BY_REFERENCE): Adjust.
        * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
        print DECL_BY_REFERENCE bit.
        * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
        * dwarf2out.c (loc_by_reference, gen_decl_die): Check
        DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
        (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
        unconditionally.

        PR middle-end/39666
        * gimplify.c (gimplify_switch_expr): If case labels cover the whole
        range of the type, but default label is missing, add it with one
        of the existing labels instead of adding a new label for it.

2009-05-05  Joseph Myers  <joseph@codesourcery.com>

        * dwarf.h: Remove.

2009-05-05  Rafael Avila de Espindola  <espindola@google.com>

        * Makefile.in (enable_plugin, plugin_includedir): New.
        (install): Depend on install-plugin.
        (PLUGIN_HEADERS): New.
        (install-plugin): New.
        * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.

2009-05-05  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40022
        * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
        the only vuse.
        (phivn_valid_p): Fix tuplification error, simplify.
        (phiprop_insert_phi): Add dumps.
        (propagate_with_phi): Simplify.

2009-05-05  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40023
        * builtins.c (gimplify_va_arg_expr): Properly build the address.

2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>

        * tree.h (strip_float_extensions): Remove duplicate declaration.
        (build_low_bits_mask, debug_fold_checksum, expand_function_end,
        expand_function_start, stack_protect_prologue, stack_protect_epilogue,
        block_ultimate_origin): Rearrange the declarations line to match the
        comment that indicates the .c file which the functions are defined.
        (dwarf2out_*, set_decl_rtl): Add comment.
        (get_base_address): Adjust comment.
        (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
        declarations line and add comment.
        (is_builtin_name): Add blank after function name, for clarity.

2009-05-04  Joseph Myers  <joseph@codesourcery.com>

        * attribs.c (decl_attributes): Use %qE for identifiers in
        diagnostics.
        * cgraphunit.c (verify_cgraph_node): Translate function names to
        locale character set in diagnostics.
        * coverage.c (get_coverage_counts): Use %qE for identifiers in
        diagnostics.
        * doc/invoke.texi (-finstrument-functions-exclude-function-list):
        Document that functions are named in UTF-8.
        * expr.c (expand_expr_real_1): Translate function names to locale
        character set in diagnostics.
        * gimplify.c (omp_notice_variable, omp_is_private,
        gimplify_scan_omp_clauses): Use %qE for identifiers in
        diagnostics.
        * langhooks.c (lhd_print_error_function): Translate function names
        to locale character set.
        * langhooks.h (decl_printable_name): Document that return value is
        in internal character set.
        * stmt.c: Include pretty-print.h
        (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
        diagnostics.
        (resolve_operand_name_1): Translate named operand name to locale
        character set.
        * stor-layout.c (finalize_record_size): Use %qE for identifiers in
        diagnostics.
        * toplev.c (announce_function): Translate function names to locale
        character set.
        (warn_deprecated_use): Use %qE for identifiers in diagnostics.
        (default_tree_printer): Use pp_identifier or translate identifiers
        to locale character set.  Mark "<anonymous>" for translation.
        * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
        for identifiers in diagnostics.
        * tree.c (handle_dll_attribute): Use %qE for identifiers in
        diagnostics.
        * varasm.c (output_constructor): Use %qE for identifiers in
        diagnostics.

2009-05-04  Rafael Avila de Espindola  <espindola@google.com>

        * configure.ac: use ` ` instead of $()
        * configure: Regenerate.

2009-05-05  Ben Elliston  <bje@au.ibm.com>

        * config/pa/linux-atomic.c: Eliminate conditional include of
        errno.h on non-LP64 systems to simplify build requirements.

2009-05-04  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (handle_mode_attribute): Use %qE for identifiers in
        diagnostics.
        * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
        and pass value to identifier_to_locale.
        (warn_variable_length_array): Make name a tree.
        (grokdeclarator): Separate diagnostic texts for named and unnamed
        declarators.  Use %qE for named declarators.
        * c-parser.c (c_lex_one_token): Use %qE for identifiers in
        diagnostics.
        * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
        identifiers in diagnostics.
        * c-typeck.c (push_member_name, start_init): Pass identifiers to
        identifier_to_locale.  Mark "anonymous" strings for translation.

2009-05-04  Michael Eager <eager@eagercon.com>

        * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
        address for DImode/DFmode only if double-precision FP regs.

2009-05-04  Michael Eager <eager@eagercon.com>

        * config/rs6000/rs6000.c (rs6000_libcall_value): Add
        TARGET_SINGLE_FLOAT check.

2009-05-04  Michael Eager <eager@eagercon.com>

        * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.

2009-05-04  Michael Eager <eager@eagercon.com>

        * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
        * config/rs6000/t-xilinx: New

2009-05-04  Paolo Bonzini  <bonzini@gnu.org>

        * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
        * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/explow.c (memory_address): Use target hook.
        * gcc/targhooks.c (default_legitimize_address): New.
        * gcc/targhooks.h (default_legitimize_address): New.
        * gcc/target.h (legitimize_address): New.
        * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
        (TARGET_INITIALIZER): Include it.
        * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.

        * config/bfin/bfin-protos.h (legitimize_address): Remove.
        * config/bfin/bfin.c (legitimize_address): Remove.
        * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
        * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
        Remove.
        * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
        * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.

        * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
        THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.

        * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
        * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
        * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
        * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
        * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
        * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
        * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
        * gcc/config/arm/arm-protos.h (arm_legitimize_address,
        (thumb_legitimize_address): Delete.
        * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
        * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
        * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
        * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
        * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
        * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
        Delete.
        * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
        Delete.

        * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
        * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
        * config/m32r/m32r.c (m32r_legitimize_address): New.
        * config/m68k/m68k.c (m68k_legitimize_address): New.
        * config/score/score.c (score_legitimize_address): Standardize.
        * config/score/score3.c (score3_legitimize_address): Standardize.
        * config/score/score3.h (score3_legitimize_address): Adjust.
        * config/score/score7.c (score7_legitimize_address): Standardize.
        * config/score/score7.h (score7_legitimize_address): Adjust.
        * config/sh/sh.c (sh_legitimize_address): New.
        * config/iq2000/iq2000.c (iq2000_legitimize_address): New.

        * gcc/config/s390/s390.c (legitimize_address): Rename to...
        (s390_legitimize_address): ... this.
        * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
        (sparc_legitimize_address): ... this.
        * gcc/config/i386/i386.c (legitimize_address): Rename to...
        (ix86_legitimize_address): ... this.
        * gcc/config/avr/avr.c (legitimize_address): Rename to...
        (avr_legitimize_address): ... this.
        * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
        (mn10300_legitimize_address): ... this.
        * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
        (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
        (alpha_expand_mov): Adjust call.

        * config/frv/frv.c (frv_legitimize_address): Return x on failure.
        * config/spu/spu.c (spu_legitimize_address): Likewise.
        * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
        * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.

2009-05-04  Joseph Myers  <joseph@codesourcery.com>

        * intl.c (locale_encoding, locale_utf8): New.
        (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
        * intl.h (locale_encoding, locale_utf8): Declare.
        * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
        (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
        New.
        * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
        argument.
        (pp_tree_identifier): Define to call pp_base_tree_identifier.
        (pp_base_tree_identifier): Declare as function.
        (identifier_to_locale): Declare.
        * Makefile.in (pretty-print.o): Update dependencies.
        * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.

2009-05-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40015
        * builtins.c (fold_builtin_memory_op): Do not decay to element
        type if the size matches the whole array.

2009-05-04  Kazu Hirata  <kazu@codesourcery.com>

        * expmed.c (synth_mult): When trying out a shift, pass the result
        of a signed shift.

2009-05-04  Kazu Hirata  <kazu@codesourcery.com>

        * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
        (shiftsub1_cost): New.
        (init_expmed): Compute shiftsub1_cost.
        (synth_mult): Optimize multiplications by constants of the form
        -(2^^m-1) for some constant positive integer m.

2009-05-03  Richard Guenther  <rguenther@suse.de>

        PR c/39983
        * c-typeck.c (array_to_pointer_conversion): Do not built
        ADDR_EXPRs of arrays of pointer-to-element type.
        * c-gimplify.c (c_gimplify_expr): Revert change fixing
        up wrong ADDR_EXPRs after-the-fact.
        * c-common.c (strict_aliasing_warning): Strip pointer
        conversions for obtaining the original type.
        * builtins.c (fold_builtin_memset): Handle array types.
        (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
        and array types

2009-05-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/23329
        * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
        Do not lose casts from array types with unknown extent to array
        types with known extent.
        * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
        alias set compatibility.

2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * flags.h (extra_warnings): Delete.
        * toplev.c (process_options): Handle Wuninitialized here.
        * opts.c (extra_warnings): Delete.
        (set_Wextra): Delete.
        (common_handle_option): -Wextra can be handled automatically.
        * c-opts.c (c_common_handle_option): Delete obsolete code.
        (c_common_post_options): Simplify comment.
        * common.opt (W): Add Var.
        (Wextra): Add Var.
        (Wuninitialized): Initialize to -1.

2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
            Richard Guenther  <rguenther@suse.de>

        * expr.c (get_def_for_expr): New function.
        (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
        SSA rather than trees.
        <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
        TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
        
2009-05-03  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (reswords): Add _Imaginary.
        * c-common.c (enum rid): Add RID_IMAGINARY.

2009-05-03  Paolo Bonzini  <bonzini@gnu.org>

        * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
        Patch by Richard Guenther.

2009-05-03  Anatoly Sokolov  <aesok@post.ru>

        * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
        * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
        * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
        * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
        * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
        * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
        * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
        * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
        * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
        * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
        * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
        * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
        * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
        * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
        * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
        * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
        * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
        * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.

2009-05-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39940
        * tree-ssa-pre.c (eliminate): Make sure we may propagate before
        doing so.

2009-05-02  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40001
        * tree-ssa.c (execute_update_addresses_taken): Properly check
        if we can mark a variable DECL_GIMPLE_REG_P.
        * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
        back to the end of the function.
        (is_gimple_reg_type): Remove complex type special casing.
        * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
        if not optimizing.

2009-05-02  Ben Elliston  <bje@au.ibm.com>

        * doc/collect2.texi (Collect2): Document search path behaviour
        when configured with --with-ld.

2009-05-02  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
        parameter; update callers.
        (coalesce_cost_edge): EH edges are costier because they needs
        splitting even if not critical and even more costier when there are
        multiple EH predecestors.

2009-05-02  Jan Hubicka  <jh@suse.cz>

        * except.c (remove_eh_handler_and_replace): Handle updating after
        removing TRY blocks.

2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>

        * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.

2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>

        * varasm.c: Do not include c-pragma.h.
        * attribs.c: Do not incude c-common.h.

2009-05-01  Michael Matz  <matz@suse.de>

        * calls.c (initialize_argument_information): Handle SSA names like
        decls with a non MEM_P DECL_RTL.

2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>

        * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
        * ipa-utils.c: Likewise.
        * ipa-type-escape.c: Likewise.
        * cgraphunit.c Do not include c-common.h.
        * ipa-pure-const.c: Likewise.
        * tree-if-conv.c: Likewise.
        * matrix-reorg.c: Do not include c-common.h and c-tree.h.
        * ipa-struct-reorg.c: Likewise.
        * tree-nomudflap.c: Likewise.
        * tree-ssa-structalias.c: Likewise.

2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>

        * store-motion.c: Many cleanups to make this pass a first-class
        citizen instead of an appendix to gcse load motion.  Add TODO list
        to make this pass faster/cleaner/better.

        (struct ls_expr): Post gcse.c-split cleanups.
        Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
        "stores" field to "avail_stores".
        (pre_ldst_mems): Rename to store_motion_mems.
        (pre_ldst_table): Rename to store_motion_mems_table.
        (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
        (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
        (ldst_entry): Rename to st_expr_entry, update users.
        (free_ldst_entry): Rename to free_st_expr_entry, update users.
        (free_ldst_mems): Rename to free_store_motion_mems, update users.
        (enumerate_ldsts): Rename to enumerate_store_motion_mems,
        update caller.
        (first_ls_expr): Rename to first_st_expr, update users.
        (next_ls_expr): Rename to next_st_expr, update users.
        (print_ldst_list): Rename to print_store_motion_mems.  Print names of
        fields properly for store motion instead of names inherited from load
        motion in gcse.c.
        (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
        (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
        are done with it.

        (ae_kill): Rename to st_kill, update users.
        (ae_gen): Rename to st_avloc, update users.
        (transp): Rename to st_transp, update users.
        (pre_insert_map): Rename to st_insert_map, update users.
        (pre_delete_map): Rename to st_delete_map, update users.
        (insert_store, build_store_vectors, free_store_memory,
        one_store_motion_pass): Update for abovementioned changes.

        (gcse_subst_count, gcse_create_count): Remove.
        (one_store_motion_pass): New statistics counters "n_stores_deleted"
        and "n_stores_created", local variables.

        (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
        use for_each_rtx.

        (regvec, compute_store_table_current_insn): Remove.
        (reg_set_info, reg_clear_last_set): Remove.
        (compute_store_table): Use DF caches instead of local dataflow
        solvers.

2009-05-01  Joseph Myers  <joseph@codesourcery.com>

        * c-objc-common.c (c_tree_printer): Print identifiers with
        pp_identifier, not pp_string.  Mark "({anonymous})" for
        translation.
        * c-pretty-print.c (pp_c_ws_string): New.
        (pp_c_cv_qualifier, pp_c_type_specifier,
        pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
        pp_c_storage_class_specifier, pp_c_function_specifier,
        pp_c_attributes, pp_c_bool_constant, pp_c_constant,
        pp_c_primary_expression, pp_c_postfix_expression,
        pp_c_unary_expression, pp_c_shift_expression,
        pp_c_relational_expression, pp_c_equality_expression,
        pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
        use pp_string and pp_c_ws_string in place of pp_identifier and
        pp_c_identifier for non-identifiers.  Mark English strings for
        translation.
        * c-pretty-print.h (pp_c_ws_string): Declare.

2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
            Roland McGrath <roland@redhat.com>

        * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
        (ENABLE_LD_BUILDID): New configuration option.
        * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
        (LINK_BUILDID_SPEC): New macro.
        (init_spec): If defined, prepend it between LINK_EH_SPEC and
        link_spec.
        * doc/install.texi: Document --enable-linker-build-id option.
        * configure: Rebuild.
        * config.in: Rebuild.

2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
        MIPS_GP_SAVE_AREA_SIZE): Define new macros.
        (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
        MIPS_GP_SAVE_AREA_SIZE.
        * config/mips/mips.c (struct mips_frame_info): Update comment
        before arg_pointer_offset and hard_frame_pointer_offset.
        (mips_compute_frame_info): Update diagram before function: to
        correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
        indicate the position of frame_pointer_rtx with -fstack-protector and
        to show args_size.  Don't allocate cprestore area for leaf functions
        if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
        cprestore_size.
        (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.

2009-04-30  Michael Matz  <matz@suse.de>

        PR tree-optimization/39955
        * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.

2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>

        * ira.c (setup_cover_and_important_classes):  Use safe macro
        REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
        directly.
        * genpreds.c (write_tm_preds_h):  Output suitable definition of
        REG_CLASS_FOR_CONSTRAINT.

2009-04-30  Rafael Avila de Espindola  <espindola@google.com>

        * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
        instead of an int.
        * bitmap.c (bitmap_descriptor): Likewise.
        * ggc-common.c (loc_descriptor): Likewise.
        * varray.c (varray_descriptor): Likewise.
        * vec.c (vec_descriptor): Likewise.

2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>

        * Makefile.in (dce.o): Add $(EXCEPT_H).
        * dce.c: Include except.h and delete redundant vector definitions.
        (deletable_insn_p): Return false for non-call insns that can throw
        if DF is running.

2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>

        * gcse.c (ae_gen): Remove.
        (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
        and make non-static function to make it available in store-motion.c.
        Update call sites with search-and-replace.
        (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
        extract_mentioned_regs, extract_mentioned_regs_helper,
        find_moveable_store, compute_store_table, load_kills_store, find_loads,
        store_killed_in_insn, store_killed_after, store_killed_before,
        build_store_vectors, insert_insn_start_basic_block, insert-store,
        remove_reachable_equiv_notes, replace_store_insn, delete_store,
        free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
        execute_rtl_store_motion, pass_rtl_store_motion): Move to...
        * store-motion.c: ...new file.  Also copy data structures from gcse.c
        and clean up to remove parts not used by store motion.
        * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
        * Makefile.in (store-motion.o): New rule. Add to OBJS-common.

2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/38571
        * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
        when optimizing for size.

2009-04-30  Hans-Peter Nilsson  <hp@axis.com>

        * gcse.c (gcse_constant_p): Fix typo in last change.

2009-04-30  Rafael Avila de Espindola  <espindola@google.com>

        * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.

2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>

        * gcse.c (gcse_constant_p): Make sure the constant is sharable.

2009-04-29  James E. Wilson  <wilson@codesourcery.com>

        * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
        CONST_HIGH_PART result.

2009-04-29  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.c (initial_elimination_offset): Rename to
        avr_initial_elimination_offset.
        (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
        change return type to bool.
        (avr_can_eliminate): New function.
        * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
        (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
        (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
        * config/avr/avr-protos.h (initial_elimination_offset): Rename to
        avr_initial_elimination_offset.
        (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
        (avr_initial_elimination_offset): Define.

2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
            Steven Bosscher  <steven@gcc.gnu.org>

        PR rtl-optimization/39938
        * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
        * cfgrtl.c: Include insn-attr.h.
        (rest_of_pass_free_cfg): New function.
        (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
        * resource.c (init_resource_info): Remove call to df_analyze.

2009-04-29  Richard Guenther  <rguenther@suse.de>

        PR target/39943
        * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
        allow conversion to signed integers.

2009-04-29  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_assign_binary): Allow vector
        shifts of floating point vectors if the shift amount is
        a constant multiple of the element size.

2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
            Michael Matz  <matz@suse.de>

        PR middle-end/39927
        PR bootstrap/39929
        * tree-outof-ssa.c (emit_partition_copy): New function.
        (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
        insert_part_to_rtx_on_edge): Perform the partition base var
        copy using emit_partition_copy.
        (insert_value_copy_on_edge): Convert constants to the right mode.
        (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
        (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.

2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
        scan backwards to try to find a constant to initialize it.

        * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
        insn before the loop_end instruction, don't look past labels.

2009-04-29  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39937
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
        loose type conversions.
        (forward_propagate_addr_expr): Fix tuplification bug.  Remove
        stmts only if there are no uses of its definition.

2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.h (splitting_loops): Declare.
        * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
        Reorder bit definitions to be ascending.
        (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
        * config/bfin/bfin.c (splitting_loops): New variable.
        (bfin_cpus): Add WA_LOAD_LCREGS as needed.
        (struct loop_info): Remove members INIT and LOOP_INIT.
        (bfin_optimize_loop): Don't set them.  Reorder the code that generates
        the LSETUP sequence.  Allow LC to be loaded from any register, but
        also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
        (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
        set to 1.
        * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
        of reload_completed.

        From Jie Zhang:
        * config/bfin/bfin.md (movsi_insn): Refine constraints.

2009-04-29  Rafael Avila de Espindola  <espindola@google.com>

        * Makefile.in (PLUGIN_VERSION_H): New.
        (OBJS-common): Remove plugin-version.o.
        (plugin.o): Depend on (PLUGIN_VERSION_H).
        (plugin-version.o): Remove.
        * configure: Regenerate
        * configure.ac: Create plugin-version.h.
        * gcc-plugin.h (plugin_gcc_version): Remove.
        (plugin_default_version_check): Change signature.
        * plugin-version.c: Remove.
        * plugin.c: Include plugin-version.h.
        (str_plugin_gcc_version_name): Remove.
        (try_init_one_plugin): Pass gcc version to plugin_init.
        (plugin_default_version_check): Both gcc and plugin versions are now
        arguments.

2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
        
        * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
        problematic last insns.  Test for TYPE_CALL rather than CALL_P.
        Remove special case testing for last insn of inner loops. Don't fail
        if the loop ends with a jump, emit an extra nop instead.

        * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
        DREGS rather than comparing directly.  Remove code that tries to
        account for latencies.

2009-04-29  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39941
        * tree-ssa-pre.c (eliminate): Schedule update-ssa after
        eliminating an indirect call.

2009-04-29  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
        parameter.  Allow invariants as base if !require_lvalue.
        (verify_gimple_assign_single): Adjust.

2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
        (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
        ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
        ssubhi3, ssaddhi3_parts and sssubhi3_parts.
        (flag_mulhi3_parts): Produce a HImode output rather than trying to set
        a VEC_SELECT.
        * config/bfin/bfin.c (bfin_expand_builtin,
        case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.

2009-04-28  Richard Guenther  <rguenther@suse.de>

        * tree-vect-loop.c (get_initial_def_for_induction): Use
        correct types for pointer increment.

2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * toplev.c (print_version): Update GMP version string calculation.

2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/39938
        * resource.c (init_resource_info): Add call to df_analyze.

2009-04-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.md (usegp): Cast the result of
        alpha_find_lo_sum_using_gp to enum attr_usegp.
        * config/alpha/alpha.c (override_options): Remove end-of-structure
        marker element from cpu_table.  Use array size of cpu_table to handle
        -mcpu and -mtune options.
        (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.

2009-04-28  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (powerpc*-*-* | rs6000-*-*): Add
        rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
        tune_32 and tune_64.
        * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
        support on PowerPC.
        * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
        * config/rs6000/option-defaults.h: ... here.  New file.
        (OPT_64, OPT_32): Define.
        (MASK_64BIT): Define to 0 if not already defined.
        (OPT_ARCH64, OPT_ARCH32): Define.
        (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
        and tune_64.

2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (arm_override_options): Emit error on using
        fpa with AAPCS.

2009-04-28  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/39914
        * ira-conflicts.c (ira_build_conflicts): Prohibit call used
        registers for allocnos created from user-defined variables only
        when not optimizing.

2009-04-28  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39937
        * fold-const.c (fold_binary): Use distribute_real_division only
        on float types.

2009-04-28  Steve Ellcey  <sje@cup.hp.com>

        * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
        add hpux-stdint.h to tm_file.
        (hppa[12]*-*-hpux11*): Ditto.
        (ia64*-*-hpux*): Ditto.
        * config/hpux-stdint.h: New.
        * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
        __STDC_EXT__ for all compiles.
        * config/pa/pa-hpux.h: Ditto.
        * config/pa/pa-hpux10.h: Ditto.
        * config/pa/pa-hpux11.h: Ditto.

2009-04-28  Catherine Moore  <clm@codesourcery.com>

        * debug.h (set_name): Add comment.

2009-04-28  Andrew Pinski  <pinskia@gmail.com>

        PR target/39929
        * config/darwin.c (machopic_gen_offset): Check
        currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
        * config/arm/arm.c (require_pic_register): Likewise.

2009-04-28  Paolo Bonzini  <bonzini@gnu.org>

        * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
        m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
        m32c_promote_prototypes): Delete.

2009-04-28  Michael Matz  <matz@suse.de>

        PR middle-end/39922
        * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
        constants.

2009-04-28  Richard Guenther  <rguenther@suse.de>

        * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.

2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm-cores.def: Add support for arm1156t2f-s.
        * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
        * config/arm/arm-tune.md: Regenerate.

2009-04-28  Alexander Monakov  <amonakov@ispras.ru>

        * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
        block if there are complex incoming edges.
        (sel_merge_blocks): Remove useless assert.
        (sel_redirect_edge_and_branch): Check that edge was redirected.
        * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
        (sel_find_rgns): Delete declaration.
        * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
        the region when it is not a preheader.

2009-04-28  Uros Bizjak  <ubizjak@gmail.com>

        PR c/39323
        * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h

2009-04-28  Richard Guenther  <rguenther@suse.de>

        * tree.h (SSA_NAME_VALUE): Remove.
        (struct tree_ssa_name): Remove value_handle member.
        * tree-vrp.c (execute_vrp): Initialize/free the value-handle
        array for jump threading.
        * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
        SSA_NAME_VALUEs.
        * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
        * tree-flow.h (threadedge_initialize_values): Declare.
        (threadedge_finalize_values): Likewise.
        * tree-ssa-threadedge.c (ssa_name_values): New global variable.
        (SSA_NAME_VALUE): Define.
        (threadedge_initialize_values): New function.
        (threadedge_finalize_values): Likewise.
        * tree-ssa-dom.c (ssa_name_values): New global variable.
        (SSA_NAME_VALUE): Define.
        (tree_ssa_dominator_optimize): Initialize/free the value-handle array.

2009-04-28  Ira Rosen  <irar@il.ibm.com>

        * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
        Use REPORT_VECTORIZED_LOCATIONS instead 
        REPORT_VECTORIZED_LOOPS.
        * tree-vectorizer.c (vect_verbosity_level): Make static.
        (vect_loop_location): Rename to vect_location.
        (vect_set_verbosity_level): Update comment.
        (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
        and vect_location.
        (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
        and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
        instead REPORT_UNVECTORIZED_LOOPS.
        * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
        and vect_loop_def to vect_external_def and vect_internal_def.
        (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
        and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
        REPORT_UNVECTORIZED_LOCATIONS.
        (enum vect_relevant): Update comment. Rename vect_unused_in_loop
        and vect_used_in_loop and to vect_unused_in_scope and 
        vect_used_in_scope.
        (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
        (vect_verbosity_level): Remove declaration.
        (vect_analyze_operations): Likewise.
        (vect_analyze_stmt): Declare.
        * tree-vect-loop.c (vect_determine_vectorization_factor): Use
        REPORT_UNVECTORIZED_LOCATIONS.
        (vect_get_loop_niters): Fix indentation.
        (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
        (vect_analyze_loop_operations): New function.
        (vect_analyze_loop): Call vect_analyze_loop_operations instead of
        vect_analyze_operations.
        (vect_is_simple_reduction): Use new names.
        (vectorizable_live_operation, vect_transform_loop): Likewise.
        * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
        to specify whether the data references can be a part of interleaving
        chain.
        (vect_analyze_data_ref_dependence): Use new names.
        (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
        (vect_create_addr_base_for_vector_ref): Remove redundant code.
        * tree-vect-patterns.c (widened_name_p): Use new names.
        (vect_recog_dot_prod_pattern): Likewise.
        * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
        (process_use, vect_mark_stmts_to_be_vectorized, 
        vect_model_simple_cost, vect_model_store_cost,
        vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
        vectorizable_call, vectorizable_conversion, vectorizable_assignment,
        vectorizable_operation, vectorizable_type_demotion,
        vectorizable_type_promotion, vectorizable_store, vectorizable_load,
        vectorizable_condition): Likewise.
        (vect_analyze_operations): Split into vect_analyze_loop_operations
        and ...
        (vect_analyze_stmt): ... new function.
        (new_stmt_vec_info): Use new names.
        (vect_is_simple_use): Use new names and fix comment.
        * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
        (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.

2009-04-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/39911
        * config/i386/i386.c (print_operand) ['Z']: Handle floating point
        and integer modes for x87 operands.  Do not ICE for unsupported size,
        generate error instead.  Generate error for unsupported operand types.
        ['z']: Do not handle HImode memory operands specially.  Warning
        for floating-point operands.  Fallthru to 'Z' for unsupported operand
        types.  Do not ICE for unsupported size, generate error instead.
        (output_387_binary_op): Use %Z to output operands.
        (output_fp_compare): Ditto.
        (output_387_reg_move): Ditto.

2009-04-28  Ben Elliston  <bje@au.ibm.com>

        PR c++/35652
        Revert:

        2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * builtins.c (c_strlen): Do not warn here.
        * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
        * c-common.c (pointer_int_sum): Take an explicit location.
        Warn about offsets out of bounds.
        * c-common.h (pointer_int_sum): Adjust declaration.

2009-04-27  Ian Lance Taylor  <iant@google.com>

        * collect2.c (is_ctor_dtor): Change type of ret field in struct
        names to symkind.
        * dce.c (run_fast_df_dce): Change type of old_flags to int.
        * df-core.c (df_set_flags): Change return type to int.  Change
        type of old_flags to int.
        (df_clear_flags): Likewise.
        * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
        (df_get_conditional_uses): Likewise.
        * df.h (df_set_flags, df_clear_flags): Update declarations.
        * dwarf2out.c (struct indirect_string_node): Change type of form
        field to enum dwarf_form.
        (AT_string_form): Change return type to enum dwarf_form.
        * fixed-value.c (fixed_compare): Add cast to enum type.
        * fwprop.c (update_df): Change 0 to VOIDmode.
        * gensupport.c: Change 0 to UNKNOWN.
        * gimple.h (gimple_cond_code): Add cast to enum type.
        * haifa-sched.c (reemit_notes): Add cast to enum type.
        * hooks.c (hook_int_void_no_regs): Remove function.
        * hooks.h (hook_int_void_no_regs): Remove declaration.
        * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
        * predict.c (combine_predictions_for_insn): Add casts to enum type.
        * real.c (real_arithmetic): Add cast to enum type.
        (real_compare): Likewise.
        * target.h (struct gcc_target): Change return type of
        branch_target_register_class to enum reg_class.
        * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
        default_branch_target_register_class.
        * targhooks.c (default_branch_target_register_class): New function.
        * targhooks.h (default_branch_target_register_class): Declare.
        * tree-data-ref.c (print_direction_vector): Add cast to enum type.
        * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
        cast to int.
        * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
        ERROR_MARK.
        * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
        vect_uninitialized_def.  Change 0 to ERROR_MARK.
        * tree-vect-stmts.c (supportable_widening_operation): Don't
        initialize icode1 and icode2.
        * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
        * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
        and to STD_C89.
        (cmn_err_flag_specs): Change 0 to STD_C89.
        (cmn_err_char_table): Likewise.
        * config/arm/arm.c (get_arm_condition_code): Change type of code
        to enum arm_cond_code.
        (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
        (IWMMXT_BUILTIN2): Likewise.
        (neon_builtin_type_bits): Don't define typedef.
        (neon_builtin_datum): Change type of bits field to int.
        (arm_expand_neon_args): Add cast to enum type.
        * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
        TLS_MODEL_NONE.
        * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
        casts to enum type.
        * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
        MIPS_FP_COND_f.
        * config/mips/mips.md (jal_macro): Return enum constant.
        (single_insn): Likewise.
        * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
        CODE_FOR_nothing.
        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        casts to enum type.
        * config/s390/s390.c (s390_tune_flags): Change type to int.
        (s390_arch_flags): Likewise.
        (s390_handle_arch_option): Change flags field of struct pta to int.
        * config/s390/s390.h (s390_tune_flags): Update declaration.
        (s390_arch_flags): Likewise.
        * config/sh/sh.c (prepare_move_operands): Compare
        tls_symbolic_operand result with enum constant.
        (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
        (sh_expand_prologue): Add cast to enum type.
        (sh_expand_epilogue): Likewise.
        (tls_symbolic_operand): Change return type to enum tls_model.
        (fpscr_set_from_mem): Add cast to enum type.
        (legitimize_pic_address): Compare tls_symbolic_operand result with
        enum constant.
        (sh_target_reg_class): Change return type to enum reg_class.
        * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
        PROCESSOR_xxx.
        * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
        * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
        * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
        (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
        (delayed_branch, tls_call_delay): Likewise.
        (eligible_for_sibcall_delay): Likewise.
        (eligible_for_return_delay): Likewise. 
        * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
        (spu_expand_builtin_1): Likewise.

        * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
        for all types of conversions.
        (output_init_element): Issue -Wc++-compat warning if needed when
        initializing a bitfield with enum type.
        * c-parser.c (c_parser_expression): Set original_type to
        original_type of right hand operand of comman operator.

2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/c-tree.texi (Types, Functions, Expression trees): Fix
        grammar nits.
        * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
        * doc/cpp.texi (Standard Predefined Macros)
        (Implementation-defined behavior): Likewise.
        * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
        * doc/gimple.texi (GIMPLE Exception Handling)
        (@code{GIMPLE_ASSIGN}): Likewise.
        * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
        * doc/invoke.texi (Warning Options, Optimize Options)
        (AVR Options, Darwin Options): Likewise.
        (Optimize Options): Reformulate -fwhole-program description.
        * doc/loop.texi (Lambda): Likewise.
        * doc/md.texi (Output Template, Define Constraints)
        (Standard Names, Insn Splitting): Likewise.
        * doc/options.texi (Option properties): Likewise.
        * doc/passes.texi (Tree-SSA passes): Likewise.
        * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
        * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
        (File Names and DBX): Likewise.
        * doc/trouble.texi (Incompatibilities): Likewise.

2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>

        * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
        instruction is correct.

2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>

        Allow non-constant arguments to conversion intrinsics.
        * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
        * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
        * spu.c (print_operand): Handle 'v' and 'w'.
        (exp2_immediate_p, spu_gen_exp2): Define.
        * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
        spu_convtf_1): Update parameter descriptions.
        * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
        * constraints.md ('v', 'w'): New.
        * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
        Remove.
        (i2f, I2F): New define_mode_attr.
        (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
        floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
        fixuns_truncv4sfv4si2):  Update to use mode attribute.
        (float<mode><i2f>2_mul, float<mode><i2f>2_div,
        fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
        floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
        patterns for combine.

2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>

        * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
        (cprop, hoist, pre, store_motion): New debug counters.
        * tree-pass.h (pass_tracer): Move to list of gimple passes, it
        is not an RTL pass anymore.
        (pass_profiling): Remove extern decl for pass removed in 2005.
        (pass_gcse, pass_jump_bypass): Remove.
        * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
        to 0 for clean state.
        * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
        * cse.c (gate_handle_cse_after_global_opts,
        rest_of_handle_cse_after_global_opts): New functions.
        (pass_cse_after_global_opts): New pass, does local CSE.
        * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
        (TV_CPROP): New timevar.
        * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
        (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
        (gcse_main, recompute_all_luids): Remove.
        (compute_hash_table_work): Call max_reg_num instead of reading
        max_gcse_regno.
        (cprop_jump): Don't set run_jump_opt_after_gcse.
        (constprop_register): Always allow to alter jumps.
        (cprop_insn): Likewise.
        (do_local_cprop): Likewise.
        (local_cprop_pass): Likewise.  Return non-zero if something changed.
        (cprop): Remove function, fold interesting bits into one_cprop_pass.
        (find_implicit_sets): Add note about missed optimization opportunity.
        (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
        pass_rtl_cprop execute function.
        Don't bother tracking the pass number, each pass gets its own dumpfile
        now anyway.
        Always allow to alter jumpsand bypass jumps.
        (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
        will just find no suitable set.
        (pre_edge_insert): Fix dumping, this function is for PRE only.
        (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
        pass_rtl_pre execute function.
        (hoist_code): Return non-zero if something changed.  Keep track of
        substitutions and insertions for statistics gathering similar to PRE.
        (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
        called from the pass_rtl_hoist execute function.  Show pass statistics.
        (compute_store_table): Use max_reg_num directly instead of using the
        formerly global max_gcse_regno.
        (build_store_vectors): Likewise.
        (replace_store_insn): Fix dumping.
        (store_motion): Rename to ...
        (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
        pass, called from the pass_rtl_store_motion execute function.  Keep
        track of substitutions and insertions for statistics gathering similar
        to PRE.
        (bypass_jumps): Remove, fold interesting bits into ...
        (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
        from the pass_rtl_cprop execute function.
        (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
        pass_jump_bypass): Remove.
        (gate_handle_gcse, rest_of_handle_gcse): Remove.
        (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
        (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
        (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
        (gate_rtl_store_motion, execute_rtl_store_motion,
        pass_rtl_store_motion): New.
        * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
        make it clear that -fcse-skip-blocks is a no-op for backward compat.
        * passes.c (init_optimization_passes): Remove pass_gcse and
        pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
        and cse_after_global_opts in place of pass_gcse.  Schedule cprop
        instead of pass_jump_bypass.

2009-04-27  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39928
        * gimplify.c (gimplify_expr): If we are required to create
        a temporary make sure it ends up as register.

2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39903
        * config/i386/i386.c (construct_container): Don't call
        gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
        X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.

2009-04-27  Michael Matz  <matz@suse.de>

        * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
        (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
        * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
        (dump_replaceable_exprs): Take a bitmap.
        * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
        array.
        (expand_gimple_basic_block): Likewise.
        * tree-ssa-ter.c (struct temp_expr_table_d): Make
        replaceable_expressions member a bitmap.
        (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
        (mark_replaceable): Likewise.
        (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
        * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.

2009-04-27  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
        (verify_stmts): Dispatch to gimple/type verification code.
        * tree-inline.c (remap_gimple_op_r): Work around C++ FE
        issue with call argument types.

2009-04-27  Michael Matz  <matz@suse.de>

        * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
        (init_update_ssa, delete_update_ssa, update_ssa): Remove references
        to above.

2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
        a label's basic block.
        (mark_target_live_regs): Tidy and rework obsolete comments.
        Change back DF problem to LIVE.  If a label starts a basic block,
        assume that all registers that used to be live then still are.
        (init_resource_info): If a label starts a basic block, set its
        BLOCK_FOR_INSN accordingly.
        (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.

2009-04-27  Richard Guenther  <rguenther@suse.de>

        * tree-flow-inline.h (function_ann): Remove.
        (get_function_ann): Likewise.
        * tree-dfa.c (create_function_ann): Remove.
        * tree-flow.h (struct static_var_ann_d): Remove.
        (struct function_ann_d): Likewise.
        (union tree_ann_d): Remove fdecl member.
        (function_ann_t): Remove.
        (function_ann, get_function_ann, create_function_ann): Remove
        declarations.

2009-04-27  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.

2009-04-27  Jan Hubicka  <jh@suse.cz>

        * ipa-pure-const.c (struct funct_state_d): New fields
        state_previously_known, looping_previously_known; remove
        state_set_in_source.
        (analyze_function): Use new fields.
        (propagate): Avoid assumption that state_set_in_source imply
        nonlooping.

        * tree-ssa-loop-niter.c (finite_loop_p): New function.
        * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
        * cfgloop.h (finite_loop_p): Declare.

2009-04-26  Michael Matz  <matz@suse.de>

        * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.

2009-04-26  Michael Matz  <matz@suse.de>

        * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
        pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
        * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
        pass_mark_used_blocks): Remove.
        * tree-optimize.c (pass_free_datastructures,
        execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
        * passes.c (init_optimization_passes): Don't call
        pass_mark_used_blocks, remove dead code.

2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>

        * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
        * tree-ssa-live.h (register_ssa_partition): Likewise.

2009-04-26  Michael Matz  <matz@suse.de>

        Expand from SSA.
        * builtins.c (fold_builtin_next_arg): Handle SSA names.
        * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
        * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
        SSA names. 
        (compare_pairs): Swap cost comparison.
        (coalesce_ssa_name): Don't use change_partition_var.
        * tree-nrv.c (struct nrv_data): Add modified member.
        (finalize_nrv_r): Set it.
        (tree_nrv): Use it to update statements.
        (pass_nrv): Require PROP_ssa.
        * tree-mudflap.c (mf_decl_cache_locals,
        mf_build_check_statement_for): Use make_rename_temp.
        (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
        * alias.c (find_base_decl): Handle SSA names.
        * emit-rtl (set_reg_attrs_for_parm): Make non-static.
        (component_ref_for_mem_expr): Don't leak SSA names into RTL.
        * rtl.h (set_reg_attrs_for_parm): Declare.
        * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
        to "optimized", remove unused locals at finish.
        (execute_free_datastructures): Make global, call
        delete_tree_cfg_annotations.
        (execute_free_cfg_annotations): Don't call
        delete_tree_cfg_annotations.

        * ssaexpand.h: New file.
        * expr.c (toplevel): Include ssaexpand.h.
        (expand_assignment): Handle SSA names the same as register variables.
        (expand_expr_real_1): Expand SSA names.
        * cfgexpand.c (toplevel): Include ssaexpand.h.
        (SA): New global variable.
        (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
        (SSAVAR): New macro.
        (set_rtl): New helper function.
        (add_stack_var): Deal with SSA names, use set_rtl.
        (expand_one_stack_var_at): Likewise.
        (expand_one_stack_var): Deal with SSA names.
        (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
        before unique numbers.
        (expand_stack_vars): Use set_rtl.
        (expand_one_var): Accept SSA names, add asserts for them, feed them
        to above subroutines.
        (expand_used_vars): Expand all partitions (without default defs),
        then only the local decls (ignoring those expanded already).
        (expand_gimple_cond): Remove edges when jumpif() expands an
        unconditional jump.
        (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
        or remove abnormal edges.  Ignore insns setting the LHS of a TERed
        SSA name.
        (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
        members of SA; deal with PARM_DECL partitions here; expand
        all PHI nodes, free tree datastructures and SA.  Commit instructions
        on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
        (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
        info and statements at start, collect garbage at finish.
        * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
        (VAR_ANN_PARTITION) Remove.
        (change_partition_var): Don't declare.
        (partition_to_var): Always return SSA names.
        (var_to_partition): Only accept SSA names.
        (register_ssa_partition): Only check argument.
        * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
        member.
        (delete_var_map): Don't free it.
        (var_union): Only accept SSA names, simplify.
        (partition_view_init): Mark only useful SSA names as used.
        (partition_view_fini): Only deal with SSA names.
        (change_partition_var): Remove.
        (dump_var_map): Use ssa_name instead of partition_to_var member.
        * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
        basic blocks.
        * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
        (struct _elim_graph): New member const_dests; nodes member vector of
        ints.
        (set_location_for_edge): New static helper.
        (create_temp): Remove.
        (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
        insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
        (new_elim_graph): Allocate const_dests member.
        (clean_elim_graph): Truncate const_dests member.
        (delete_elim_graph): Free const_dests member.
        (elim_graph_size): Adapt to new type of nodes member.
        (elim_graph_add_node): Likewise.
        (eliminate_name): Likewise.
        (eliminate_build): Don't take basic block argument, deal only with
        partition numbers, not variables.
        (get_temp_reg): New static helper.
        (elim_create): Use it, deal with RTL temporaries instead of trees.
        (eliminate_phi): Adjust all calls to new signature.
        (assign_vars, replace_use_variable, replace_def_variable): Remove.
        (rewrite_trees): Only do checking.
        (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
        (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
        init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
        contains_tree_r, MAX_STMTS_IN_LATCH,
        process_single_block_loop_latch, analyze_edges_for_bb,
        perform_edge_inserts): Remove.
        (expand_phi_nodes): New global function.
        (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
        functions, initialize new parameter, remember partitions having a
        default def.
        (finish_out_of_ssa): New global function.
        (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
        don't reset in_ssa_p here, don't disable TER when mudflap.
        (pass_del_ssa): Remove.
        * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
        partition members.
        (execute_free_datastructures): Declare.
        * Makefile.in (SSAEXPAND_H): New variable.
        (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
        * basic-block.h (commit_one_edge_insertion): Declare.
        * passes.c (init_optimization_passes): Move pass_nrv and
        pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
        pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
        * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
        (redirect_branch_edge): Deal with super block when expanding, split
        out jump patching itself into ...
        (patch_jump_insn): ... here, new static helper.

2009-04-26  Michael Matz  <matz@suse.de>

        * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
        beyond num_ssa_names.
        * tree-ssa-ter.c (free_temp_expr_table): Likewise.
        * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.

2009-04-26  Jakub Jelinek  <jakub@redhat.com>

        PR inline-asm/39543
        * fwprop.c (forward_propagate_asm): New function.
        (forward_propagate_and_simplify): Propagate also into __asm, if it
        doesn't increase the number of referenced registers.

        PR c/39889
        * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.

2009-04-26  Jakub Jelinek  <jakub@redhat.com>

        * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
        note_nonlocal_vla_type for nonlocal VLAs.
        (note_nonlocal_vla_type, note_nonlocal_block_vlas,
        contains_remapped_vars, remap_vla_decls): New functions.
        (convert_nonlocal_reference_stmt): If not optimizing, call
        note_nonlocal_block_vlas on GIMPLE_BIND block vars.
        (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
        if it wasn't found in var_map.
        (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
        GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
        to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
        declare_vars.
        * gimplify.c (nonlocal_vlas): New variable.
        (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
        referenced VLAs.
        (gimplify_body): Create and destroy nonlocal_vlas.

        * dwarf2out.c (loc_descr_plus_const): New function.
        (build_cfa_aligned_loc, tls_mem_loc_descriptor,
        mem_loc_descriptor, loc_descriptor_from_tree_1,
        descr_info_loc, gen_variable_die): Use it.

        * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
        !TREE_STATIC VAR_DECLs.
        * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
        DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
        (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
        DECL_BY_REFERENCE is valid.
        * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
        for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
        * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
        Copy DECL_BY_REFERENCE.
        (struct nesting_copy_body_data): New type.
        (nesting_copy_decl): New function.
        (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
        if they have variable length.

2009-04-26  Michael Matz  <matz@suse.de>

        * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
        mark new temporaries for renaming.

2009-04-26  Joseph Myers  <joseph@codesourcery.com>

        PR c/39581
        * c-decl.c (global_bindings_p): Return negative value.
        (c_variable_size): New.  Based on variable_size from
        stor-layout.c.
        (grokdeclarator): Call c_variable_size not variable_size.

2009-04-26  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (print_operand) ['z']: Fix typo.

2009-04-26  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
        Redefine it to just use mingw/include.
        (ASM_SPEC): Rules for -m32 and -m64.
        (LINK_SPEC): Use Likewise.
        (SPEC_32): New define.
        (SPEC_64): Likewise.
        (SUB_LINK_SPEC): Likewise.
        (MULTILIB_DEFAULTS): New define.
        * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
        Add multilib options.
        (MULTILIB_DIRNAMES): Likewise.
        (MULTILIB_OSDIRNAMES): Likewise.
        (LIBGCC): Likewise.
        (INSTALL_LIBGCC): Likewise.

2009-04-26  Joseph Myers  <joseph@codesourcery.com>

        PR c/39556
        * c-tree.h (enum c_inline_static_type): New.
        (record_inline_static): Declare.
        * c-decl.c (struct c_inline_static, c_inline_statics,
        record_inline_static, check_inline_statics): New.
        (pop_file_scope): Call check_inline_statics.
        (start_decl): Call record_inline_static instead of pedwarning
        directly for static in inline function.
        * c-typeck.c (build_external_ref): Call record_inline_static
        instead of pedwarning directly for static referenced in inline
        function.

2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>

        * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
        not new but only being rescanned.
        * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
        reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
        alloc_reg_set_mem, free_reg_set_mem, record_one_set,
        record_set_info, compute_set, grealloc): Remove.
        (recompute_all_luids): New function.
        (gcse_main): Don't compute sets, and don't do related memory
        allocations/free-ing.  If something changed before the end of the
        pass, update LUIDs using recompute_all_luids.
        (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
        (free_gcse_mem): Don't free it either.
        (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
        Use the df insn LUIDs.
        (load_killed_in_block): Likewise.
        (compute_hash_table_work): Don't compute reg_set_in_block.
        (compute_transp): Use DF_REG_DEF_CHAINs.
        (local_cprop_pass): Don't use compute_sets and related functions.
        (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
        Use get_max_uid() instead of max_cuid.
        (insert_insn_end_basic_block, pre_insert_copy_insn,
        update_ld_motion_stores): Don't try to
        keep reg_set tables up to date.
        (pre_insert_copies): Use df insn LUIDs.
        (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
        (reg_set_info): Don't use extra bitmap argument.
        (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
        information to compute regs_set_in_block.
        (free_store_memory, store_motion): Don't nullify reg_set_in_block.
        (bypass_jumps): Don't use compute_sets and friends.

2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR testsuite/39710
        * opts.c (undocumented_msg): Do not leave blank even with
        ENABLE_CHECKING.

2009-04-25  Joseph Myers  <joseph@codesourcery.com>

        * c-decl.c (build_enumerator): Allow values folding to integer
        constants but not integer constant expressions with a pedwarn if
        pedantic.

2009-04-25  Joseph Myers  <joseph@codesourcery.com>

        PR c/39582
        * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
        with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
        type is an integer constant.

2009-04-25  Uros Bizjak  <ubizjak@gmail.com>

        PR target/39897
        * config/i386/i386.c (print_operand) ['z']: Revert handling of
        HImode operands.

2009-04-25  Joseph Myers  <joseph@codesourcery.com>

        PR c/39564
        * c-decl.c (grokdeclarator): Diagnose declarations of functions
        with variably modified return type and no storage class
        specifiers, except for the case of nested functions.  Distinguish
        extern declarations of functions with variably modified return
        types from those of objects with variably modified types.

2009-04-25  Jan Hubicka  <jh@suse.cz>

        * tree.c (list_equal_p): New function.
        * tree.h (list_equal_p): Declare.
        * coretypes.h (edge_def, edge, const_edge, basic_block_def
        basic_block_def, basic_block, const_basic_block): New.
        * tree-eh.c (make_eh_edge): EH edges are not abnormal.
        (redirect_eh_edge): New function.
        (make_eh_edge_update_phi): EH edges are not abnormal.
        * except.c: Include tree-flow.h.
        (list_match): New function.
        (eh_region_replaceable_by_p): New function.
        (replace_region): New function.
        (hash_type_list): New function.
        (hash_eh_region): New function.
        (eh_regions_equal_p): New function.
        (merge_peers): New function.
        (remove_unreachable_regions): Verify EH tree when checking;
        merge peers.
        (copy_eh_region_1): New function.
        (copy_eh_region): New function.
        (push_reachable_handler): New function.
        (build_post_landing_pads, dw2_build_landing_pads): Be ready for
        regions without label but with live RESX.
        * except.h (redirect_eh_edge_to_label): New.
        * tree-flow.h (redirect_eh_edge): New.
        * coretypes.h (edge_def, edge, const_edge, basic_block_def
        basic_block_def, basic_block, const_basic_block): Remove.
        * Makefile.in (except.o): Add dependency on tree-flow.h
        * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
        * basic-block.h (edge, const_edge, basic_block, const_basic_block):
        Remove.

2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>

        PR bootstrap/39645
        * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
        on the destination of memcpy.

2009-04-25  Paolo Bonzini  <bonzini@gnu.org>

        * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
        REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
        REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.

2009-04-25  Jan Hubicka  <jh@suse.cz>

        * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
        (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
        to be reached by different label than left.
        (update_eh_edges): Update comment; remove edge_to_remove if possible
        and return true if suceeded.
        (cleanup_empty_eh): Accept sharing map; handle shared regions.
        (cleanup_eh): Compute sharing map.
        * except.c (remove_eh_handler_and_replace): Add argument if we should
        update regions.
        (remove_unreachable_regions): Update for label sharing.
        (label_to_region_map): Likewise.
        (get_next_region_sharing_label): New function.
        (remove_eh_handler_and_replace): Add update_catch_try parameter; update
        prev_try pointers.
        (remove_eh_handler): Update.
        (remove_eh_region_and_replace_by_outer_of): New function.
        * except.h (struct eh_region): Add next_region_sharing_label.
        (remove_eh_region_and_replace_by_outer_of,
        get_next_region_sharing_label): Declare.
        * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.

2009-04-25  Jan Hubicka  <jh@suse.cz>

        * tree-cfg.c (split_critical_edges): Split also edges where we can't
        insert code even if they are not critical.

2009-04-25  Jan Hubicka  <jh@suse.cz>

        * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
        (gimple_can_remove_branch_p): EH edges won't remove branch by
        redirection.
        * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
        updating of non-abnormal EH edges.
        * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
        (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
        (split_critical_edges): Split also edges where emitting code on them
        will lead to splitting later.

2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39590
        * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
        the configured assembler supports fildq and fistpq mnemonics.
        (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
        * configure: Regenerated.
        * config.in: Ditto.

        * config/i386/i386.c (print_operand): Handle 'Z'.
        ['z']: Remove handling of special fild/fist suffixes.
        (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
        * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
        suffix of fild insn.
        (*floatsi<mode>2_vector_mixed): Ditto.
        (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
        (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
        (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
        (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
        * config/i386/gas.h (GAS_MNEMONICS): Remove.

2009-04-25  Ben Elliston  <bje@au.ibm.com>
 
        * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
        the source of a set operation.

2009-04-25  Anatoly Sokolov  <aesok@post.ru>

        * target.h (struct gcc_target): Add case_values_threshold field.
        * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
        (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
        * targhooks.c (default_case_values_threshold): New function.
        * targhooks.h (default_case_values_threshold): Declare function.
        * stmt.c (expand_case): Use case_values_threshold target hook.
        * expr.h (case_values_threshold): Remove declartation.
        * expr.c (case_values_threshold): Remove function.
        * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.

        * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
        * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
        (avr_case_values_threshold): Declare as static.
        * config/avr/avr-protos.h (avr_case_values_threshold): Remove.

        * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
        * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
        (mn10300_case_values_threshold): New function.

2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>

        * ira.c (setup_cover_and_important_classes): Add enum cast.

2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>

        * genpreds.c (write_enum_constraint_num): Output definition of
        CONSTRAINT_NUM_DEFINED_P macro.
        * ira.c (setup_cover_and_important_classes): Use
        CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
        
2009-04-24  DJ Delorie  <dj@redhat.com>

        * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
        __SH2A_SINGLE_ONLY__ also.

2009-04-24  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (movfs_internal): Allow flt constants.
        (movdf_internal): Ditto.
        * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
        SFmode and DFmode constants.
        (ia64_print_operand): Add 'G' format for printing
        floating point constants.

2009-04-24  Richard Guenther  <rguenther@suse.de>

        * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
        from unsigned additions.

2009-04-24  Joseph Myers  <joseph@codesourcery.com>

        * c-typeck.c (set_init_index): Allow array designators that are
        not integer constant expressions with a pedwarn if pedantic.

2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>

        * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
        zero if no overlap in nonzero bits between the operands.

2009-04-24  Ian Lance Taylor  <iant@google.com>

        * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
        (record_dead_and_set_regs): Likewise.
        * df.h (struct df_mw_hardreg): Change flags field to int.
        (struct df_base_ref): Likewise.
        (struct df): Change changeable_flags field to int.
        * df-scan.c (df_defs_record): Change clobber_flags to int.
        * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
        constants rather than #define macros.
        (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
        (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
        (enum dwarf_calling_convention): Likewise.
        (enum dwarf_line_number_x_ops): Likewise.
        (enum dwarf_call_frame_info): Likewise.
        (enum dwarf_source_language): Likewise.
        * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
        (add_calling_convention_attribute): Likewise.
        * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
        (combine_comparisons): Change compcode to int.  Add cast to enum type.
        * genrecog.c (maybe_both_true_2): Change c to int.
        (write_switch): Likewise.  Add cast to enum type.
        * gimplify.c (gimplify_omp_for): Handle return values from
        gimplify_expr using MIN rather than bitwise or.
        (gimplify_expr): Add cast to enum type.
        * ipa-prop.c (update_jump_functions_after_inlining): Change
        IPA_BOTTOM to IPA_JF_UNKNOWN.
        * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
        Add casts to enum type.
        (setup_cover_and_important_classes): Change cl to int.  Add casts
        to enum type.
        (setup_class_translate): Change cl and mode to int.
        (ira_init_once): Change mode to int.
        (free_register_move_costs): Likewise.
        (setup_prohibited_mode_move_regs): Add casts to enum type.
        * langhooks.c (add_builtin_function_common): Rework assertion that
        value fits bitfield.
        * mcf.c (add_fixup_edge): Change type parameter to edge_type.
        * omega.c (omega_do_elimination): Avoid math on enum types.
        * optabs.c (expand_vec_shift_expr): Remove casts to int.
        * opts.c (set_debug_level): Change 2 to enum constant.  Use new
        int local to handle integral_argment value.
        * regmove.c (try_auto_increment): Change PUT_MODE to
        PUT_REG_NOTE_KIND.
        * reload.c (push_secondary_reload): Add casts to enum type.
        (secondary_reload_class, find_valid_class): Likewise.
        * reload1.c (emit_input_reload_insns): Likewise.
        * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
        * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
        * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
        constant.
        * tree.c (build_common_builtin_nodes): Add casts to enum type.
        * tree-complex.c (complex_lattice_t): Typedef to int rather than
        enum type.
        (expand_complex_libcall): Add casts to enum type.
        * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
        * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
        with ERROR_MARK, not NUM_TREE_CODES.
        (vect_create_epilog_for_reduction): Likewise.
        (vectorizable_reduction): Don't initialize epiloc_reduc_code.
        When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
        * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
        enum machine_mode.
        * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
        vect_unused_in_loop.  Change 0 to loop_vect.
        * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
        * var-tracking.c (get_init_value): Change return type to enum
        var_init_status.
        * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
        * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
        arm_fp_model.
        (arm_override_options): Add casts to enum type.
        (arm_emit_tls_decoration): Likewise.
        * config/i386/i386.c (ix86_function_specific_restore): Add casts
        to enum type.
        * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
        * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
        * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
        enum type.
        * config/s390/s390.c (code_for_builtin_64): Change to array of
        enum insn_code.
        (code_for_builtin_31): Likewise.
        (s390_expand_builtin): Change code_for_builtin to enum insn_code
        const *.
        * config/sparc/sparc.c (sparc_override_options): Change value
        field in struct code_model to enum cmodel.  In initializer change
        0 to NULL and add cast to enum type.

        * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
        Change all callers.  Issue a -Wc++-compat warning using
        lhs_origtype if necessary.
        (convert_for_assignment): Issue -Wc++-compat warnings about
        invalid conversions to enum type on assignment.
        * c-common.h (build_modify_expr): Update declaration.

2009-04-24  Nick Clifton  <nickc@redhat.com>

        * config/iq2000/iq2000.c (function_arg): Handle TImode values.
        (function_arg_advance): Likewise.
        * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
        5th alternative.

2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/constraints.md ('I', 'J'): Fix condition.

2009-04-24  Diego Novillo  <dnovillo@google.com>

        * gengtype-parse.c (parse_error): Add newline after message.

2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (avxmodesuffixs): Removed.
        (*avx_pinsr<avxmodesuffixs>): Renamed to ...
        (*avx_pinsr<ssevecsize>): This.

2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>

        * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
        follow chains of regs with a single definition, and allow expressions
        that are function_invariant_p.
        (simple_rhs_p): Allow expressions that are function_invariant_p.

2009-04-24  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/39867
        * fold-const.c (fold_cond_expr_with_comparison): When folding
        > and >= to MAX, make sure the MAX uses the same type as the
        comparison's operands.

2009-04-24  Nick Clifton  <nickc@redhat.com>

        * config/frv/frv.c (frv_frame_access): Do not use reg+reg
        addressing for DImode accesses.
        (frv_print_operand_address): Handle PLUS case.
        * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.

2009-04-24  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/39794
        * alias.c (canon_true_dependence): Add x_addr argument.
        * rtl.h (canon_true_dependence): Adjust prototype.
        * cse.c (check_dependence): Adjust canon_true_dependence callers.
        * cselib.c (cselib_invalidate_mem): Likewise.
        * gcse.c (compute_transp): Likewise.
        * dse.c (scan_reads_nospill): Likewise.
        (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
        addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
        canon_base_addr of the group, plus optional offset.
        (struct group_info): Rename canon_base_mem to
        canon_base_addr.
        (get_group_info): Set canon_base_addr to canon_rtx of base, not
        canon_rtx of base_mem.

2009-04-23  Paolo Bonzini  <bonzini@gnu.org>

        * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
        Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.

2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu-builtins.h: Delete file.

        * config/spu/spu.h (enum spu_builtin_type): Move here from
        spu-builtins.h.
        (struct spu_builtin_description): Likewise.  Add GTY marker.
        Do not use enum spu_function_code or enum insn_code.
        (spu_builtins): Add extern declaration.

        * config/spu/spu.c: Do not include "spu-builtins.h".
        (enum spu_function_code, enum spu_builtin_type_index,
        V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
        V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
        unsigned_V8HI_type_node, unsigned_V4SI_type_node,
        unsigned_V2DI_type_node): Move here from spu-builtins.h.
        (spu_builtin_types): Make static.  Add GTY marker.
        (spu_builtins): Add extern declaration with GTY marker.
        Include "gt-spu.h".

        * config/spu/spu-c.c: Do not include "spu-builtins.h".
        (spu_resolve_overloaded_builtin): Do not use spu_function_code.
        Check programmatically whether all parameters are scalar.

        * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.

2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
        assignment from the constructor either if the target is volatile.

2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.md (insv): Do not share operands[0].

2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>

        * config/vxlib-tls.c (active_tls_threads): Delete.
        (delete_hook_installed): New.
        (tls_delete_hook): Don't delete the delete hook.
        (tls_destructor): Delete it here.
        (__gthread_set_specific): Adjust installing the delete hook.
        (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
        __gthread_leave_tsd_dtor_context.

2009-04-23  Rafael Avila de Espindola  <espindola@google.com>

        * c-format.c (gcc_tdiag_char_table): Add support for %E.

2009-04-23  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
        enum type.
        (alpha_rtx_costs): Ditto.
        (emit_unlikely_jump): Use add_reg_note.
        (emit_frame_store_1): Ditto.
        (alpha_expand_prologue): Ditto.
        (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
        * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.

2009-04-23  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.md (epilogue): Remove suppressed code.
        (return): Rename to return_simple and remove test of frame size.
        * config/v850/v850.c (expand_epilogue): Rename call to gen_return
        to gen_return_simple.

2009-04-22  Jing Yu  <jingyu@google.com>

        PR testsuite/39781
        * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.

2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR C/31499
        * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
        and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
        value is a VECTOR_CST, the element type is the element type of the
        vector.

2009-04-22  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.h: Update GTY annotations to new syntax.

2009-04-22  Jakub Jelinek  <jakub@redhat.com>

        * alias.c (find_base_term): Move around LO_SUM case, so that
        CONST falls through into PLUS/MINUS handling.

        PR c/39855
        * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
        into 0, use omit_one_operand.

2009-04-23  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/linux-unwind.h (get_regs): Remove type
        puns. Change the type of `pc' to an array of unsigned ints and
        update all users.  Constify frame24.

2009-04-22  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_special_page_vector_p): Move
        declarations before code.
        (current_function_special_page_vector): Likewise.
        (m32c_expand_insv): Silence a warning.

2009-04-21  Taras Glek  <tglek@mozilla.com>

        * alias.c: Update GTY annotations to new syntax.
        * basic-block.h: Likewise.
        * bitmap.h: Likewise.
        * c-common.h: Likewise.
        * c-decl.c: Likewise.
        * c-parser.c: Likewise.
        * c-pragma.c: Likewise.
        * c-tree.h: Likewise.
        * cfgloop.h: Likewise.
        * cgraph.h: Likewise.
        * config/alpha/alpha.c: Likewise.
        * config/arm/arm.h: Likewise.
        * config/avr/avr.h: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/cris/cris.c: Likewise.
        * config/darwin.c: Likewise.
        * config/frv/frv.c: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/i386.h: Likewise.
        * config/i386/winnt.c: Likewise.
        * config/ia64/ia64.h: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/mmix/mmix.h: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pa/pa.h: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/xtensa/xtensa.c: Likewise.
        * cselib.h: Likewise.
        * dbxout.c: Likewise.
        * dwarf2out.c: Likewise.
        * except.c: Likewise.
        * except.h: Likewise.
        * fixed-value.h: Likewise.
        * function.c: Likewise.
        * function.h: Likewise.
        * gimple.h: Likewise.
        * integrate.c: Likewise.
        * optabs.c: Likewise.
        * output.h: Likewise.
        * real.h: Likewise.
        * rtl.h: Likewise.
        * stringpool.c: Likewise.
        * tree-data-ref.c: Likewise.
        * tree-flow.h: Likewise.
        * tree-scalar-evolution.c: Likewise.
        * tree-ssa-address.c: Likewise.
        * tree-ssa-alias.h: Likewise.
        * tree-ssa-operands.h: Likewise.
        * tree.c: Likewise.
        * tree.h: Likewise.
        * varasm.c: Likewise.
        * varray.h: Likewise.
        * vec.h: Likewise.
        * coretypes.h: Do not define GTY macro if it is already defined.
        * doc/gty.texi: Update GTY documentation to new syntax.
        * gengtype-lex.l: Enforce attribute-like syntax for GTY
        annotations on structs.
        * gengtype-parse.c: Likewise.

2009-04-22  Mark Heffernan  <meheff@google.com>

        * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.

2009-04-22  Kazu Hirata  <kazu@codesourcery.com>

        * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
        where appropriate.

2009-04-22  Kazu Hirata  <kazu@codesourcery.com>

        * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
        the same as a PLUS without a shift.  Increase the cost of a
        CONST_INT in MULT.

2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * Makefile.in: Update dependencies.
        * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
        * errors.h: Remove bogus comment about compatibility.
        (warning): Update declaration.
        * genautomata.c: Update all calls to warning.
        * gimple.c: Do not include errors.h. Include toplev.h.
        * tree-ssa-structalias.c: Do not include errors.h.
        * omega.c: Likewise.
        * tree-ssa-reassoc.c: Likewise.
        * config/spu/spu-c.c: Likewise.
        * config/spu/t-spu-elf: Update dependencies.

2009-04-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39824
        * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
        make sure the types are compatible.

2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c++/14875
        * c-common.c (c_parse_error): Take a token_flags parameter.
        Use token_type for the token type instead.
        Pass token_flags to cpp_type2name.
        * c-common.h (c_parse_error): Update declaration.
        * c-parser.c (c_parser_error): Pass 0 as token flags.

2009-04-22  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/39580
        * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
        
2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * function.c (expand_function_end): Do not emit a jump to the "naked"
        return label for fall-through returns.
        * except.c (sjlj_emit_function_exit): Always place the call to the
        unregister function at the location installed by expand_function_end.

2009-04-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39845
        * tree-switch-conversion.c (build_arrays): Add new referenced vars.
        (gen_inbound_check): Likewise.

2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>

        * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
        padding for PPC.
        (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
        * config/vxlib.c (__gthread_once): Add race guard for PPC.

2009-04-22  Paolo Bonzini  <bonzini@gnu.org>

        * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
        sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
        shift counts to avoid out-of-bounds array accesses.

2009-04-22  Paolo Bonzini  <bonzini@gnu.org>

        * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
        (Pmode): Move above.

2009-04-22  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
        NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
        GET_CODE macro.  Use IN_RANGE macro where appropriate.
        * config/alpha/alpha.h: Ditto.
        * config/alpha/alpha.md: Ditto.
        * config/alpha/constraints.md: Ditto.
        * config/alpha/predicates.md: Ditto.
        
2009-04-22  Paolo Bonzini  <bonzini@gnu.org>

        * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
        * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.

2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
        references from comments.
        * cfgbuild.c: (count_basic_blocks): Delete.
        (find_basic_blocks_1): Delete.
        (find_basic_blocks): Delete.
        * except.c (finish_eh_generation): Make static.  Move comment from
        except.h here.  Remove find_basic_blocks references from comments.
        * except.h (finish_eh_generation): Delete.
        * basic-block.h (find_basic_blocks): Delete.
        * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.

2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>

        * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
        (sdbout_parms):  Likewise.

2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (prepare_cbranch_operands): Use
        LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
        (expand_cbranchdi4): Likewise.
        (from_compare): Add cast to enum type.
        (expand_cbranchsi4): Use add_reg_note.
        (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
        (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
        (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
        (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
        * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
        instead of CODE_FOR_nothing.
        (cbranchdi4): Likewise.  Fix the order of arguments for
        gen_rtx_fmt_ee.
        (push_fpscr): Use add_reg_note.
        (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
        reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
        
2009-04-21  Joseph Myers  <joseph@codesourcery.com>

        * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
        ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
        ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
        ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
        ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
        FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
        config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
        config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
        config/alpha/x-vms, config/arc/t-arc,
        config/arm/README-interworking, config/arm/arm-c.c,
        config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
        config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
        config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
        config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
        config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
        config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
        config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
        config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
        config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
        config/cris/t-elfmulti, config/crx/t-crx,
        config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
        config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
        config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
        config/h8300/t-h8300, config/i386/athlon.md,
        config/i386/darwin-libgcc.10.4.ver,
        config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
        config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
        config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
        config/i386/t-linux64, config/i386/t-nwld,
        config/i386/t-rtems-i386, config/i386/t-sol2-10,
        config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
        config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
        config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
        config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
        config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
        config/iq2000/t-iq2000, config/libgcc-glibc.ver,
        config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
        config/m32r/t-m32r, config/m68hc11/t-m68hc11,
        config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
        config/m68k/t-uclinux, config/mcore/t-mcore,
        config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
        config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
        config/mips/crtn.asm, config/mips/irix-crti.asm,
        config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
        config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
        config/mips/mips-fixed.md, config/mips/sb1.md,
        config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
        config/mips/t-iris6, config/mips/t-isa3264,
        config/mips/t-libgcc-mips16, config/mips/t-linux64,
        config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
        config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
        config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
        config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
        config/mn10300/t-linux, config/mn10300/t-mn10300,
        config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
        config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
        config/picochip/libgccExtras/clzsi2.asm,
        config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
        config/rs6000/darwin-libgcc.10.4.ver,
        config/rs6000/darwin-libgcc.10.5.ver,
        config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
        config/rs6000/t-aix43, config/rs6000/t-aix52,
        config/rs6000/t-darwin, config/rs6000/t-fprules,
        config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
        config/rs6000/t-lynx, config/rs6000/t-netbsd,
        config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
        config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
        config/rs6000/t-rtems, config/rs6000/t-spe,
        config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
        config/score/t-score-elf, config/sh/divcost-analysis,
        config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
        config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
        config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
        config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
        config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
        config/stormy16/stormy-abi, config/stormy16/t-stormy16,
        config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
        config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
        config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
        config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
        config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
        gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
        java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
        limitx.h, version.c, xcoff.h: Add copyright and license notices.
        * config/h8300/genmova.sh: Include copyright and license notices
        in generated output.
        * config/h8300/mova.md: Regenerate.
        * doc/install.texi2html: Include word "Copyright" in copyright
        notice and use name "Free Software Foundation, Inc.".
        * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
        ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
        ChangeLog-2007, ChangeLog-2008: Correct dates.

2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>

        * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
        NE_EXPR operations as well.
        * c-parser.c (c_parser_condition): Do not set location information on
        the condition.
        (c_parser_conditional_expression): Likewise.
        (c_parser_binary_expression): Set location information on operators.
        * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
        TRUTH_NOT_EXPR has been folded.
        * fold-const.c (fold_truth_not_expr): Copy location information from
        the incoming expression to the outgoing one.
        * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
        recursive calls on the LHS of the operator but pass that of the
        operator to recursive calls on the RHS of the operator.  Set it
        on the COND_EXPR.
        (shortcut_cond_expr): Set the locus of the operator on the second
        COND_EXPR and that of the expression on the first in degenerate cases.
        Pass the locus of the expression to calls to shortcut_cond_r.
        Set the locus of the 'then' block on the associated jump, if any.
        (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
        (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
        expression to call to gimplify_boolean_expr.

2009-04-21  Kai Tietz  <kai.tietz@onevision.com>

        * config.gcc: Add additional configuration for
        i686-w64-mingw* and x86_64-w64-mingw* triplet.
        * config/i386/mingw-w64.h: New mingw-w64 specific header.
        (CPP_SPEC): Redefine for allowing -municode option.
        (STARTFILE_SPEC): Likewise.
        * config/i386/t-mingw-w64: New.
        * config/i386/mingw-w64.opt: New.
        (municode): Add new target option.
        * doc/invoke.texi (municode): Add documentation for new option.

2009-04-21  Ian Lance Taylor  <iant@google.com>

        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
        Correct test for number of arguments.
        * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.

2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>

        * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
        argument of emit_library_call.

2009-04-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39829
        * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
        inside VIEW_CONVERT_EXPRs.

2009-04-21  Martin Jambor  <mjambor@suse.cz>

        * tree-switch-conversion.c (build_constructors): Split a long line.
        (constructor_contains_same_values_p): New function.
        (build_one_array): Create assigns of constants if possible, do not
        call mark_sym_for_renaming, call update_stmt.
        (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
        make_rename_temp.  Do not call mark_symbols_for_renaming, call
        update_stmt.
        (gen_def_assigns): Do not call mark_symbols_for_renaming or
        find_new_referenced_vars, call update_stmt.
        (gen_inbound_check): Use create_tmp_var and create ssa names manually
        instead of calling make_rename_temp.  Do not call
        find_new_referenced_vars or mark_symbols_for_renaming, call
        update_stmt.

2009-04-21  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39827
        * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
        (tree_ssa_phiprop): Pass the correct array size.

2009-04-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.md (tune): Add cast to enum attr_tune.

2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 16202
        * c-typeck.c (lvalue_p): Move declaration ...
        * c-common.h (lvalue_p): ... to here.
        * c-common.c (candidate_equal_p): New.
        (add_tlist): Use it.
        (merge_tlist): Use it.
        (warn_for_collisions_1): Likewise.
        (warning_candidate_p): Accept more candidates.
        (verify_tree): A warning candidate can be an expression. Use
        candidate_equal_p.

2009-04-21  Ben Elliston  <bje@au.ibm.com>

        PR target/5267
        * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
        for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
        options.  Remove -mcall-solaris documentation.

2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c++/13358
        * doc/invoke.texi (-Wlong-long): Update description.
        * c-lex (interpret_integer): Only warn if there was no previous
        overflow and -Wlong-long is enabled.
        * c-decl.c (declspecs_add_type): Drop redundant flags.
        * c.opt (Wlong-long): Init to -1.
        * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
        and front-end warn_long_long. Wlong-long only depends on other
        flags if it is uninitialized.
        * c-parser.c (disable_extension_diagnostics): warn_long_long is
        the same for CPP and FE.
        (restore_extension_diagnostics): Likewise.

2009-04-20  Ian Lance Taylor  <iant@google.com>

        Fix enum conversions which are invalid in C++:
        * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
        * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
        * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
        * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
        * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
        (dbxout_parms): Likewise.
        * df-core.c (df_set_flags): Change changeable_flags parameter to int.
        (df_clear_flags): Likewise.
        * df-problems.c (df_rd_bb_local_compute_process_def): Change
        top_flag parameter to int.
        (df_chain_create_bb_process_use): Likewise.
        (df_chain_add_problem): Change chain_flags parameter to unsigned int.
        Remove cast.
        * df-scan.c (df_ref_create): Change ref_flags parameter to int.
        (df_ref_create_structure, df_def_record_1): Likewise.
        (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
        (df_notes_rescan): Change 0 to VOIDmode in function call.
        (df_get_call_refs, df_insn_refs_collect): Likewise.
        (df_bb_regs_collect): Likewise.
        (df_entry_block_defs_collect): Likewise.
        (df_exit_block_uses_collect): Likewise.
        * df.h: Update declarations.
        * double-int.c (double_int_divmod): Add cast to enum type.
        * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
        * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
        (based_loc_descr): Likewise.
        (loc_descriptor_from_tree_1): Change first_op and second_op to
        enum dwarf_location_atom.  Add cast to enum type.
        * expmed.c (init_expmed): Change 0 to SET in function call.
        * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
        (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
        (do_store_flag): Likewise.
        * fixed-value.h (struct fixed_value): Change mode to enum
        machine_mode.
        * function.c (assign_parms): Change 0 to VOIDmode in function call.
        * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
        function call.
        (insert_insn_decl, insert_decl, insert_state): Likewise.
        (automata_list_finish): Likewise.
        * genrecog.c (process_define_predicate): Add cast to enum type.
        * gensupport.c (init_predicate_table): Add cast to enum type.
        * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
        function call.
        (gimple_build_call_1, gimple_build_label): Likewise.
        (gimple_build_goto, gimple_build_asm_1): Likewise.
        (gimple_build_switch_1, gimple_build_cdt): Likewise.
        * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
        (enum fallback): Rename from enum fallback_t.
        (fallback_t): Typedef as int.
        * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
        GSI_SAME_STMT in function call.
        * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
        enum type.
        (setup_reg_class_relations): Likewise.
        (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
        (setup_prohibited_class_mode_regs): Add cast to enum type.
        (setup_prohibited_mode_move_regs): Likewise.
        * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
        (record_address_regs): Change i to enum reg_class.
        * lists.c (alloc_EXPR_LIST): Add cast to enum type.
        * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
        (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
        (GET_MODE_2XWIDER_MODE): Likewise.
        (GET_CLASS_NARROWEST_MODE): Likewise.
        * omp-low.c (expand_omp_for): Add cast to enum type.
        * optabs.c (debug_optab_libfuncs): Add casts to enum type.
        * opts.c (enable_warning_as_error): Change kind to diagostic_t.
        * postreload.c (reload_cse_simplify_operands): Change rclass local
        to enum reg_class.
        * predict.c (combine_predictions_for_insn): Change best_predictor
        and predictor to enum br_predictor.
        (combine_predictions_for_bb): Likewise.
        (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
        use SET_PREDICT_EXPR_OUTCOME.
        * real.c (real_arithmetic): Change icode to code in function call.
        * reginfo.c (init_move_cost): Add casts to enum type.
        (init_reg_sets_1, init_fake_stack_mems): Likewise.
        * regmove.c (regclass_compatible_p): Change class0 and class1 to
        enum reg_class.
        * reload.c (find_valid_class): Add casts to enum type.
        (push_reload): Change 0 to NO_REGS in function call.
        (find_reloads): Change this_alternative to array of enum
        reg_class.  Remove some now-unnecessary casts.
        (make_memloc): Change 0 to VOIDmode in function call.
        * reload1.c (reload): Change 0 to VOIDmode in function call.
        (eliminate_regs_1, elimination_effects): Likewise.
        (eliminate_regs_in_insn): Likewise.
        (emit_input_reload_insns): Add cast to enum type.
        (delete_output_reload): Change 0 to VOIDmode in function call.
        * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
        to enum type in function call.
        * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
        (SET_PREDICT_EXPR_OUTCOME): Define.
        * tree-dump.c (get_dump_file_info): Change phase parameter to int.
        (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
        (dump_initialized_p, dump_flag_name, dump_end): Likewise.
        (dump_function): Likewise.
        * tree-dump.h: Update declarations.
        * tree-pass.h: Update declarations.
        * varasm.c (assemble_integer): Change mclass to enum mode_class.
        * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
        enum type.
        (arm_rtx_costs_1): Correct parenthesization.
        (arm_rtx_costs): Add casts to enum type.
        (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
        (vfp_emit_fstmd): Use add_rg_note.
        (emit_multi_reg_push, emit_sfm): Likewise.
        (thumb_set_frame_pointer): Likewise.
        (arm_expand_prologue): Likewise.
        (arm_regno_class): Change return type to enum reg_class.
        (thumb1_expand_prologue): Use add_reg_note.
        * config/arm/arm-protos.h (arm_regno_class): Update declaration.
        * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
        in function call.
        * config/arm/gentune.sh: Add cast to enum type.
        * config/arm/arm-tune.md: Rebuild.
        * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
        (ix86_split_fp_branch, predict_jump): Likewise.
        (ix86_expand_multi_arg_builtin): Change sub_code from enum
        insn_code to enum rtx_code.
        (ix86_builtin_vectorized_function): Add cast to enum type.
        * config/i386/i386.md (truncdfsf2): Change slot to enum
        ix86_stack_slot.
        (truncxf<mode>2, isinf<mode>2): Likewise.
        * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
        enum type.
        * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
        (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
        (insert_bundle_state): Change 1 to INSERT in function call.
        (ia64_add_bundle_selector_before): Likewise.
        * config/ia64/ia64.md (cpu attr): Add cast to enum type.
        (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
        (restore_stack_nonlocal): Likewise.
        * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
        function call.
        * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
        function call.
        (mips_rtx_costs): Likewise.
        (mips_override_options): Add casts to enum type.
        * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
        in function call.
        * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
        (store_reg, set_reg_plus_d): Likewise.
        (hppa_expand_prologue, hppa_profile_hook): Likewise.
        * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
        cast to enum type.
        (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
        function call.
        (emit_unlikely_jump): Use add_reg_note.
        (rs6000_emit_allocate_stack): Likewise.
        (rs6000_frame_related, rs6000_emit_prologue): Likewise.
        (output_toc): Change 1 to INSERT in function call.
        (output_profile_hook): Change 0 to LCT_NORMAL in function call.
        (rs6000_initialize_trampoline): Likewise.
        (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
        function call.
        * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
        (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
        (s390_expand_setmem, s390_expand_cmpmem): Likewise.
        (save_gprs): Use add_reg_note.
        (s390_emit_prologue): Likewise.
        (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
        * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
        (sparc_fold_builtin): Add cast to enum type.
        * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
        enum insn_code.
        (spu_expand_prologue): Use add_reg_note.
        (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.

2009-04-20  Ian Lance Taylor  <iant@google.com>

        * c-parser.c (c_parser_attributes): Change VEC back to tree list.
        (c_parser_postfix_expression_after_primary): Get VEC for list of
        arguments.  Get original types of arguments.  Call
        build_function_call_vec.
        (cached_expr_list_1, cached_expr_list_2): New static variables.
        (c_parser_expr_list): Change return type to VEC *.  Add
        p_orig_types parameter.  Change all callers.
        (c_parser_release_expr): New static function.
        (c_parser_vec_to_tree_list): New static function.
        * c-typeck.c (build_function_call): Rewrite to build a VEC and
        call build_function_call_vec.
        (build_function_call_vec): New function, based on old
        build_function_call.
        (convert_arguments): Remove nargs and argarray parameters.  Change
        values to a VEC.  Add origtypes parameter.
        (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
        (convert_for_assignment): Add origtype parameter.  Change all
        callers.  If warn_cxx_compat, check for conversion to an enum
        type when calling a function.
        (store_init_value): Add origtype parameter.  Change all callers.
        (digest_init): Likewise.
        (struct init_node): Add origtype field.
        (add_pending_init): Add origtype parameter.  Change all callers.
        (output_init_element): Likewise.
        (output_pending_init_elements): Pass origtype from init_node to
        output_init_element.
        (process_init_element): Pass origtype from c_expr to
        output_init_element.
        (c_finish_return): Add origtype parameter.  Change all callers.
        * c-common.c (sync_resolve_size): Change params to VEC *.  Change
        caller.
        (sync_resolve_params): Likewise.
        (sync_resolve_return): Change params to first_param.  Change caller.
        (resolve_overloaded_builtins): Change params to VEC *.  Change
        callers.  Save first parameter around call to build_function_call_vec.
        * c-decl.c (finish_decl): Add origtype parameter.  Change all
        callers.  Call build_function_call_vec rather than
        build_function_call for cleanup.
        * c-tree.h: Update declarations.
        * c-common.h: Update declarations.
        * stub-objc.c (objc_rewrite_function_call): Change parameter from
        params to first_param.
        * target.h (struct gcc_target): Change resolve_overloaded_builtin
        params parameter from tree to void *.
        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
        Change arglist parameter to have type void *, and to be a pointer
        to a VEC.
        * config/rs6000/rs6000-protos.h
        (altivec_resolve_overloaded_builtin): Update declaration.
        * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
        fnargs parameter to have type void *, and to be a pointer to a
        VEC.  Call build_function_call_vec instead of
        build_function_call.
        * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.

2009-04-20  Joey Ye  <joey.ye@intel.com>
            Xuepeng Guo  <xuepeng.guo@intel.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.

        * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
        (IX86_LEA_PRIORITY): Likewise.
        (distance_non_agu_define): New function.
        (distance_agu_use): Likewise.
        (ix86_lea_for_add_ok): Likewise.
        (ix86_dep_by_shift_count): Likewise.

        * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
        should split for LEA.

        * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
        function.
        (ix86_dep_by_shift_count): Likewise.

2009-04-20  Richard Guenther  <rguenther@suse.de>

        * expr.c (handled_component_p): Move ...
        * tree.h (handled_component_p): ... here.
        * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
        ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
        and REALPART_EXPR to be in one group.

2009-04-20  Richard Guenther  <rguenther@suse.de>

        * basic-block.h (get_all_dominated_blocks): Declare.
        * dominance.c (get_all_dominated_blocks): New function.
        * tree-cfg.c (get_all_dominated_blocks): Remove.
        (remove_edge_and_dominated_blocks): Adjust.
        * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
        (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
        instead of recursing.

2009-04-20  Doug Kwan  <dougkwan@google.com>

        * cgraph.h (cgraph_node_ptr): New type for vector functions.
        (struct cgraph_node_set_def): New type.
        (cgraph_node_set) New type. Also declare vector functions.
        (struct cgraph_node_set_element_def): New type.
        (cgraph_node_set_element): Ditto.
        (cgraph_node_set_iterator): New iterator type.
        (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
        cgraph_node_set_remove, dump_cgraph_node_set,
        debug_cgraph_node_set): New prototypes.
        (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
        cgraph_node_set_size): New inlines.
        * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
        including cgraph.h.
        (struct ipa_opt_pass): Add struct cgraph_node_set_def
        argument to function 'write_summary'.
        * ipa.c: Include ggc.h.
        (hash_cgraph_node_set_element,
        eq_cgraph_node_set_element, cgraph_node_set_new,
        cgraph_node_set_add, cgraph_node_set_remove,
        cgraph_node_set_find, dump_cgraph_node_set,
        debug_cgraph_node_set): New functions.
        * Makefile.in (ipa.o): Add dependency on GGC_H.

2009-04-20  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/39675
        * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
        check of the return code of vect_schedule_slp. Check that
        stmt_vec_info still exists for the statement, before checking its
        vectorization type.

2009-04-20  Michael Matz  <matz@suse.de>

        * Makefile.in (generated_files): Take out $(simple_generated_c).

2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
        (UINTPTR_TYPE):  Likewise.

2009-04-19  Joseph Myers  <joseph@codesourcery.com>

        PR c/37481
        * c-typeck.c (digest_init): Check for initializing an array with a
        string literal.

2009-04-19  Joseph Myers  <joseph@codesourcery.com>

        PR c/19771
        * c-semantics.c (pop_stmt_list): Propagate
        STATEMENT_LIST_HAS_LABEL to parent statement list.

2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.h (mips_tune_attr): New macro.
        * config/mips/mips.md (cpu): Use it.

2009-04-19  Joseph Myers  <joseph@codesourcery.com>

        PR c/38243
        * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
        declaring a tag.

2009-04-19  Diego Novillo  <dnovillo@google.com>

        * toplev.c (compile_file): Move call to coverage_finish ...
        * cgraphunit.c (ipa_passes): ... here.
        Call cgraph_process_new_functions.
        * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
        * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.

2009-04-19  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
        cfun.
        (dump_cgraph_node): Dump can throw external flag.
        * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.

2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/32061
        PR c++/36954
        * doc/invoke.texi: Add -Wlogical-op to -Wextra.
        * common.opt (Wlogical-op): Move from here...
        * c.opt (Wlogical-op): ... to here.
        * c-typeck.c (parser_build_binary_op): Update call to
        warn_logical_operator.
        * c-opts.c (c_common_post_options): Enable warn_logical_op with
        extra_warnings.
        * c-common.c (warn_logical_op): Update.
        * c-common.h (warn_logical_op): Update declaration.

2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (protected_set_expr_location): Fix formatting.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

        PR c/27676
        * c-typeck.c (readonly_warning): new.
        (build_unary_op, build_modify_expr): Use readonly_warning for
        storing into something readonly but not const-qualified.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

        PR c/22367
        * c-typeck.c (build_unary_op): Check for taking address of
        expression of type void.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

        PR c/35210
        * c-typeck.c (build_function_call): Check for calling a function
        with qualified void return types.  Call require_complete_type when
        generating a trap.

2009-04-18  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
        Set nothrow flag.
        * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
        can_throw_external flag.
        * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
        * ipa-pure-const.c (ignore_edge): New function.
        (propagate): Compute order for NOTHROW computation; set NOTHROWs
        only over can_throw_external edges.
        (local_pure_const): Add nothrow flag.
        * ipa-utils.c (searchc): Add ignore_edge callback.
        (ipa_utils_reduced_inorder): Add ignore_edge callback.
        * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
        (set_nothrow_function_flags): Update cgraph.
        * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.

2009-04-18  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39804
        * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
        (fold_stmt): ... this and ...
        (fold_stmt_inplace): ... this.
        (fold_stmt_1): Fold references in calls and asms.
        * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

        * tree-vrp.c (ssa_name_nonzero_p): Remove.
        * tree.h: Remove the prototype for ssa_name_nonzero_p.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

        * tree.c (function_args_count): Remove.
        * tree.h: Remove the prototype for function_args_count.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

        * tree-iterator.c (expr_only): Remove.
        * tree.h: Remove the prototype for expr_only.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

        * reginfo.c (cannot_change_mode_set_regs): Remove.
        * rtl.h: Remove the prototype for cannot_change_mode_set_regs.

2009-04-08  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
        whether operands 0 and 1 overlaps.

2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR middle-end/36902
        * tree-vrp.c (check_array_ref): Pass a location_t instead of a
        pointer. Use warning_at instead of warning.
        (search_for_addr_array): Likewise.
        (check_array_bounds): Likewise.
        (check_all_array_refs): Check that the incoming edge is not in the
        list of edges to be removed.
        (check_all_array_refs): Avoid the temporal pointer.
        (vrp_visit_cond_stmt): Fix typo.
        (simplify_switch_using_ranges): Handle the case where the switch
        index is an integer constant.

2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.c (mips_final_postscan_insn): Make it static.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

        * doc/extend.texi, doc/invoke.texi: Fix typos.

2009-04-17  Cary Coutant  <ccoutant@google.com>

        * tree-flow-inline.h (get_lineno): Fix inverted test.

2009-04-17  Diego Novillo  <dnovillo@google.com>

        * tree-ssa-pre.c (create_expression_by_pieces): Remove
        assertion for AVAIL_OUT.

2009-04-17  Mike Frysinger  <vapier@gentoo.org>

        PR target/38627
        * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
        * config/sh/linux-atomic.asm: Likewise.

2009-04-17  Diego Novillo  <dnovillo@google.com>

        * except.c (debug_eh_tree): New.
        (struct eh_region, struct eh_status): Move ...
        * except.h: ... here.
        (add_type_for_runtime): Declare extern.
        (lookup_type_for_runtime): Likewise.
        (debug_eh_tree): Declare.
        * Makefile.in (GTFILES): List except.h before except.c

2009-04-17  Diego Novillo  <dnovillo@google.com>

        * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
        * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
        * tree-dfa.c (find_referenced_vars_in): Factor out of ...
        (find_vars_r): ... here.
        * tree-flow.h (find_referenced_vars_in): Declare.
        * tree-ssa-pre.c (create_expression_by_pieces): Assert
        that AVAIL_OUT exists for BLOCK.
        * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
        (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
        (tree-parloops.o): Likewise.

2009-04-17  Simon Baldwin  <simonb@google.com>

        * toplev.c (default_tree_printer): Add handling for %E format.

2009-04-17  Diego Novillo  <dnovillo@google.com>

        * tree-pretty-print.c (dump_generic_node): Add break after
        TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
        FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
        FUNCTION_TYPE together.  Call print_struct_decl when printing
        structures and TDF_SLIM is not given.
        (print_struct_decl): Fix logic for detecting recursion.

2009-04-17  Rafael Avila de Espindola  <espindola@google.com>

        PR 31567
        * gcc.c (create_at_file): New.
        (compile_input_file_p): New.
        (do_spec_1): Use @args files for %i. Use create_at_file for %o.
        * main.c (main): Update call to toplev_main.
        * toplev.c (toplev_main): Change signature. Call expandargv.
        * toplev.h (toplev_main): Change signature.

2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (field_byte_offset): Use the type size as the field size
        if the latter is not constant.

2009-04-17  David Edelsohn  <edelsohn@gnu.org>

        * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.

2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>

        * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
        * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (get_constraint_for_component_ref):
        Handle component references view-converting an invariant address.

2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>

        * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
        TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
        TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
        TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
        Use @deftypevr rather than @deftypevar.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
        (get_prop_source_stmt): Likewise.
        (can_propagate_from): Likewise.

2009-04-17  Andrew Stubbs  <ams@codesourcery.com>

        * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
        TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
        (--with-multilib-list): Add default value.
        * configure: Regenerate.
        * Makefile.in (TM_ENDIAN_CONFIG): Define.
        (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
        * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
        TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
        Don't add default cpu to multilib list unnecessarily, but do enable
        the relevant compiler option..
        Add support for --with-multilib-list=<blank> and
        --with-multilib-list=!<somelib> to supress unwanted multilibs.
        * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
        (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
        (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
        TM_MULTILIB_CONFIG.
        (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
        (MULTILIB_OSDIRNAMES): New variable.
        * config/sh/t-1e: Delete file.
        * config/sh/t-mlib-sh1: Delete file.
        * config/sh/t-mlib-sh2: Delete file.
        * config/sh/t-mlib-sh2a: Delete file.
        * config/sh/t-mlib-sh2a-nofpu: Delete file.
        * config/sh/t-mlib-sh2a-single: Delete file.
        * config/sh/t-mlib-sh2a-single-only: Delete file.
        * config/sh/t-mlib-sh2e: Delete file.
        * config/sh/t-mlib-sh3e: Delete file.
        * config/sh/t-mlib-sh4: Delete file.
        * config/sh/t-mlib-sh4-nofpu: Delete file.
        * config/sh/t-mlib-sh4-single: Delete file.
        * config/sh/t-mlib-sh4-single-only: Delete file.
        * config/sh/t-mlib-sh4a: Delete file.
        * config/sh/t-mlib-sh4a-nofpu: Delete file.
        * config/sh/t-mlib-sh4a-single: Delete file.
        * config/sh/t-mlib-sh4a-single-only: Delete file.
        * config/sh/t-mlib-sh4al: Delete file.
        * config/sh/t-mlib-sh5-32media: Delete file.
        * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
        * config/sh/t-mlib-sh5-64media: Delete file.
        * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
        * config/sh/t-mlib-sh5-compact: Delete file.
        * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
        * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
        * doc/install.texi (Options specification): Add
        --with-multilib-list and --with-endian.

2009-04-17  Rafael Avila de Espindola  <espindola@google.com>

        * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
        REVISION_c.
        (OBJS-common): Add plugin-version.o.
        (plugin-version.o): New.
        * gcc-plugin.h (plugin_gcc_version): New.
        (plugin_default_version_check): New.
        (plugin_init_func, plugin_init): Add version argument.
        * plugin-version.c: New.
        * plugin.c (str_plugin_gcc_version_name): New.
        (try_init_one_plugin): Read plugin_gcc_version from the plugin and
        pass it to the init function.
        (plugin_default_version_check): New.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
        for decl-vs-decl disambiguation.

2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.h (s390_tune_attr): New macro definition.
        * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
        (fold_stmt_r): Likewise.
        (maybe_fold_reference): New function.
        (fold_gimple_assign): Handle cases fold_stmt_r did.
        (fold_stmt): Do not use fold_stmt_r.
        (fold_stmt_inplace): Likewise.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
        (record_equivalences_from_stmt): Remove useless checks and
        simplifications.
        * tree-ssa-pre.c (eliminate): Avoid converting a constant if
        the type is already suitable.

2009-04-17  Paolo Bonzini  <bonzini@gnu.org>

        * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.

2009-04-17  Uros Bizjak  <ubizjak@gmail.com>

        * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
        (CMPtype): Define as __gcc_CMPtype.

2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>

        * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
        for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39746
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
        special-casing for builtins and static variable use/def.
        (call_may_clobber_ref_p_1): Likewise.

2009-04-16  Ian Lance Taylor  <iant@google.com>

        * df.h: Include "timevar.h".
        (struct df_problem): Change tv_id field to timevar_id_t.
        * tree-pass.h: Include "timevar.h".
        (struct opt_pass): Change tv_id field to timevar_id_t.
        * timevar.h (timevar_id_t): Define TV_NONE.
        * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
        TV_NONE rather than tv_id != 0.
        (execute_one_pass): Likewise.
        * Makefile.in (DF_H): Add $(TIMEVAR_H).
        (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
        dependencies to $(TREE_PASS_H).
        * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
        to TV_NONE.
        (pass_branch_target_load_optimize2): Likewise.
        * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
        (pass_outof_cfg_layout_mode): Likewise.
        * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
        (pass_rebuild_cgraph_edges): Likewise.
        (pass_remove_cgraph_callee_edges): Likewise.
        * df-core.c (pass_df_initialize_opt): Likewise.
        (pass_df_initialize_no_opt): Likewise.
        (pass_df_finish): Likewise.
        * emit-rtl.c (pass_unshare_all_rtl): Likewise.
        * except.c (pass_set_nothrow_function_flags): Likewise.
        (pass_convert_to_eh_region_ranges): Likewise.
        * final.c (pass_compute_alignments): Likewise.
        * function.c (pass_instantiate_virtual_regs): Likewise.
        (pass_init_function): Likewise.
        (pass_leaf_regs): Likewise.
        (pass_match_asm_constraints): Likewise.
        * gimple-low.c (pass_lower_cf): Likewise.
        (pass_mark_used_blocks): Likewise.
        * init-regs.c (pass_initialize_regs): Likewise.
        * integrate.c (pass_initial_value_sets): Likewise.
        * ira.c (pass_ira): Likewise.
        * jump.c (pass_cleanup_barriers): Likewise.
        * omp-low.c (pass_expand_omp): Likewise.
        (pass_lower_omp): Likewise.
        * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
        * recog.c (pass_split_all_insns): Likewise.
        (pass_split_after_reload): Likewise.
        (pass_split_before_regstack): Likewise.
        (pass_split_before_sched2): Likewise.
        (pass_split_for_shorten_branches): Likewise.
        * reginfo.c (pass_reginfo_init): Likewise.
        (pass_subregs_of_mode_init): Likewise.
        (pass_subregs_of_mode_finish): Likewise.
        * passes.c (pass_postreload): Likewise.
        * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
        * tree-cfg.c (pass_remove_useless_stmts): Likewise.
        (pass_warn_function_return): Likewise.
        (pass_warn_function_noreturn): Likewise.
        * tree-complex.c (pass_lower_complex): Likewise.
        (pass_lower_complex_O0): Likewise.
        * tree-if-conv.c (pass_if_conversion): Likewise.
        * tree-into-ssa.c (pass_build_ssa): Likewise.
        * tree-mudflap.c (pass_mudflap_1): Likewise.
        (pass_mudflap_2): Likewise.
        * tree-nomudflap.c (pass_mudflap_1): Likewise.
        (pass_mudflap_2): Likewise.
        * tree-nrv.c (pass_return_slot): Likewise.
        * tree-object-size.c (pass_object_sizes): Likewise.
        * tree-optimize.c (pass_all_optimizations): Likewise.
        (pass_early_local_passes): Likewise.
        (pass_all_early_optimizations): Likewise.
        (pass_cleanup_cfg): Likewise.
        (pass_cleanup_cfg_post_optimizing): Likewise.
        (pass_free_datastructures): Likewise.
        (pass_free_cfg_annotations): Likewise.
        (pass_fixup_cfg): Likewise.
        (pass_init_datastructures): Likewise.
        * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
        (pass_late_warn_uninitialized): Likewise.
        (pass_update_address_taken): Likewise.
        * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
        * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
        (pass_cse_sincos): Likewise.
        (pass_convert_to_rsqrt): Likewise.
        * tree-ssa-structalias.c (pass_build_alias): Likewise.
        * tree-stdarg.c (pass_stdarg): Likewise.
        * tree-tailcall.c (pass_tail_recursion): Likewise.
        (pass_tail_calls): Likewise.
        * tree-vect-generic.c (pass_lower_vector): Likewise.
        (pass_lower_vector_ssa): Likewise.
        * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.

2009-04-16  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
        XLR entry.
        * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
        Handle -march=xlr.
        * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
        logical and signext.

2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/39767
        * config/sh/predicates.md (arith_operand): Check if the operand
        of TRUNCATE is a REG.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * cfgrtl.c (delete_insn_chain_and_edges): Remove.
        * rtl.h: Remove the prototype for delete_insn_chain_and_edges.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * tree-iterator.c (tsi_split_statement_list_after,
        tsi_split_statement_list_before): Remove.
        * tree-iterator.h: Remove the prototypes for
        tsi_split_statement_list_after and tsi_split_statement_list_before.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
        * tree-ssa-propagate.h: Remove the prototype for
        stmt_makes_single_load.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * emit-rtl.c (set_mem_attrs_from_reg): Remove.
        * rtl.h: Remove the prototype for set_mem_attrs_from_reg.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * tree-iterator.c (EXPR_LAST_BODY): Remove.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * except.c (eh_region_outer_p): Remove.
        * except.h: Remove the prototype for eh_region_outer_p.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * function.c (current_function_assembler_name): Remove.
        * function.h: Remove the prototype for
        current_function_assembler_name.

2009-04-16  Ian Lance Taylor  <iant@google.com>

        * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
        (add_reg_note): Call alloc_reg_note.
        * rtl.h (alloc_reg_note): Declare.
        * combine.c (try_combine): Use alloc_reg_note.
        (recog_for_combine, move_deaths): Likewise.
        (distribute_notes): Use alloc_reg_note and add_reg_note.
        * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
        * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
        * reload1.c (eliminate_regs_1): Use alloc_reg_note.

2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/39762
        * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
        ira_may_move_out_cost): Add comments about way of their usage.
        (ira_get_register_move_cost, ira_get_may_move_cost): New functions.

        * ira-conflicts.c (process_regs_for_copy): Use function
        ira_get_register_move_cost instead of global
        ira_register_move_cost.

        * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
        color_pass, move_spill_restore, update_curr_costs): Ditto.

        * ira-lives.c (process_single_reg_class_operands): Ditto.

        * ira-emit.c (emit_move_list): Ditto.

        * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
        (record_reg_classes): Ditto.  Use functions
        ira_get_register_move_cost and ira_get_may_move_cost instead of
        global vars ira_register_move_cost, ira_may_move_out_cost and
        ira_may_move_in_cost.
        (record_address_regs): Don't call ira_init_register_move_cost.
        Use function ira_get_may_move_cost instead of global
        ira_may_move_in_cost.
        (process_bb_node_for_hard_reg_moves): Use function
        ira_get_register_move_cost instead of global ira_register_move_cost.
        (ira_costs): Don't call ira_init_register_move_cost.

2009-04-16  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_assign_binary):
        Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
        * ipa-struct-reorg.c (gen_size): Fold the built expressions.
        (create_general_new_stmt): Note that this function is broken.

2009-04-16  Rafael Avila de Espindola  <espindola@google.com>

        * common.opt (fhelp): Add Var(help_flag).
        * gcc-plugin.h (plugin_info): Add help.
        * plugin.c (plugin_name_args): Add help.
        (register_plugin_info): Set plugin->help.
        (print_help_one_plugin): New.
        (print_plugins_help): New.
        * plugin.h (print_plugins_help): New.
        * toplev.c (toplev_main): Call print_plugins_help if needed.

2009-04-16  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
        (gimple_ior_addresses_taken_1): New function.
        (gimple_ior_addresses_taken): Likewise.
        * gimple.h (struct gimple_statement_with_ops_base): Remove
        addresses_taken member.
        (gimple_ior_addresses_taken): Declare.
        (gimple_addresses_taken, gimple_addresses_taken_ptr,
        gimple_set_addresses_taken): Remove.
        * ipa-reference.c (mark_address): New function.
        (scan_stmt_for_static_refs): Use it for marking addresses taken.
        * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
        (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
        (gimple_add_to_addresses_taken): Remove.
        (get_tmr_operands): Call mark_address_taken.
        (get_asm_expr_operands): Likewise.
        (get_expr_operands): Likewise.
        (build_ssa_operands): Do not clear the addresses_taken bitmap.
        (free_stmt_operands): Do not free it.
        * tree-ssa.c (delete_tree_ssa): Likewise.
        (execute_update_addresses_taken): Use gimple_ior_addresses_taken.

2009-04-16  Richard Guenther  <rguenther@suse.de>

        * gimple.h (walk_stmt_load_store_addr_ops): Declare.
        (walk_stmt_load_store_ops): Likewise.
        * gimple.c (get_base_loadstore): New function.
        (walk_stmt_load_store_addr_ops): Likewise.
        (walk_stmt_load_store_ops): Likewise.
        * ipa-pure-const.c (check_op): Simplify.
        (check_load, check_store): New functions.
        (check_stmt): Use walk_stmt_load_store_ops.
        * ipa-reference.c (mark_load): Adjust signature.
        (mark_store): Likewise.
        (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.

2009-04-16  Rafael Avila de Espindola  <espindola@google.com>

        * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
        (plugin_info): New.
        * opts.c (common_handle_option): Don't call print_version.
        * plugin.c (plugin_name_args): Add version.
        (register_plugin_info): New.
        (register_callback): Handle PLUGIN_INFO.
        (try_init_one_plugin): New.
        (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
        if failed to init.
        (finalize_one_plugin): New.
        (finalize_plugins): New.
        (print_one_plugin): New.
        (print_plugins_versions): New.
        * plugin.h (print_plugins_versions): New.
        (finalize_plugins): New.
        * toplev.c (compile_file): Don't call initialize_plugins.
        (print_version): Call print_plugins_versions.
        (toplev_main): Call initialize_plugins. Print version if needed.
        Call finalize_plugins.

2009-04-16  Rafael Avila de Espindola  <espindola@google.com>

        * common.opt (fversion): New.
        * gcc.c (print_version): New.
        (process_command): Don't print the version. Just set print_version.
        (main): Print version. Call subprocesses if print_version and
        verbose_flag are set.
        * opts.c (common_handle_option): Handle OPT_fversion.

2009-04-16  Richard Guenther  <rguenther@suse.de>
            Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/39698
        * tree-vect-loop.c (get_initial_def_for_reduction): Use the
        type of the reduction variable.  Only generate the def if
        it is needed.

        * omp-low.c (expand_omp_for_generic): When converting to a pointer
        make sure to first convert to an integer of the same precision.
        * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
        the type of the evolution correctly in computing the new
        induction variable base.

2009-04-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39625
        * tree-cfg.c (make_blocks): Split statements with to-be
        abnormal SSA names on the lhs.

2009-04-16  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
        Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
        * c-typeck.c (really_start_incremental_init): Likewise.
        * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
        (TARGET_INITIALIZER): Remove it.
        * target.h (struct target): Remove vector_opaque_p.
        * tree.c (build_opaque_vector_type): New.
        * tree.h (TYPE_VECTOR_OPAQUE): New.
        (build_opaque_vector_type): Declare.
        * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
        * config/rs6000/rs6000.c (build_opaque_vector_type,
        rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
        (rs6000_init_builtins): Use build_opaque_vector_type for
        opaque_V4SI_type_node.

2009-04-15  Catherine Moore  <clm@codesourcery.com>

        * debug.h (set_name):  Declare.
        * dwarf2out.c (dwarf2out_set_name): Declare.
        (dwarf2_debug_hooks): Add set_name.
        (find_AT_string): New.
        (add_AT_string): Call find_AT_string.
        (dwarf2out_set_name): New.
        * cp/decl.c (grokdeclarator): Call set_name.
        * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
        * debug.c (do_nothing_debug_hooks):  Likewise.
        * dbxout.c (dbx_debug_hooks): Likewise.
        * sdbout.c (sdb_debug_hooks): Likewise.

2009-04-15  Michael Eager  <eager@eagercon.com>

        * config/rs6000/rs6000.c (rs6000_function_value): Set function return
        reg for single-precision FPU.
        * config/rs6000/rs6000.md (movsi_internal1): Only for
        !TARGET_SINGLE_FPU.
        (movsi_internal1_single): New. Add pattern to move SI values to/from
        single-precision FP regs.

2009-04-15  Richard Guenther  <rguenther@suse.de>

        * omp-low.c (lower_rec_input_clauses): Build correct address
        expressions.
        (expand_omp_for_generic): Fix multiplication type.
        * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
        (generate_memset_zero): Fix types.
        * tree-profile.c (prepare_instrumented_value): Correctly
        widen a pointer.

2009-04-15  Ian Lance Taylor  <iant@google.com>

        * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
        * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
        for -Wall and for -Wc++-compat.
        (c_common_post_options): For C++, set warn_enum_compare if not
        already set.
        * c-tree.h (struct c_expr): Add field original_type.
        (build_external_ref): Update declaration.
        * c-parser.c (c_parser_braced_init): Set original_type.
        (c_parser_initelt): Likewise.
        (c_parser_expr_no_commas): Likewise.
        (c_parser_conditional_expression): Likewise.
        (c_parser_cast_expression): Likewise.
        (c_parser_unary_expression): Likewise.  Pull setting of
        original_code to top of function.
        (c_parser_sizeof_expression): Set original_type.
        (c_parser_alignof_expression): Likewise.
        (c_parser_postfix_expression): Likewise.  Pull setting of
        original_code to top of function.
        (c_parser_postfix_expression_after_paren_type): Set original_type.
        (c_parser_postfix_expression_after_primary): Likewise.
        (c_parser_expression): Likewise.
        * c-typeck.c (build_external_ref): Add type parameter.  Change all
        callers.
        (c_expr_sizeof_expr): Set original_type field.
        (parser_build_unary_op): Likewise.
        (parser_build_binary_op): Likewise.  Optionally warn about
        comparisons of enums of different types.
        (digest_init): Set original_type field.
        (really_start_incremental_init): Likewise.
        (push_init_level, pop_init_level): Likewise.
        * doc/invoke.texi (Warning Options): -Wenum-compare now
        supported in C.

2009-04-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
        out a necessary conversion.
        * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
        names we didn't value number.
        * tree-mudflap.c (mf_build_check_statement_for): Use correct types.

2009-04-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39764
        * tree-ssa-ccp.c (get_value): Canonicalize value with
        canonicalize_float_value.

2009-04-15  Jan Hubicka  <jh@suse.cz>

        * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
        Wrong version of patch.

2009-04-15  Jan Hubicka  <jh@suse.cz>

        * builtins.def (va_start, va_end, va_copy): Mark nothrow.

2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
        our distinct integral and vector types.

2009-04-15  Rafael Avila de Espindola  <espindola@google.com>

        * class.c (build_vtbl_ref_1): Remove call to assemble_external.
        * init.c (build_vtbl_address): Remove call to assemble_external.

2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
        output for other floating point modes.

2009-04-14  Diego Novillo  <dnovillo@google.com>

        * diagnostic.c (diagnostic_report_diagnostic): Do not
        warn about loaded plugins for DK_ERROR and DK_WARNING.
        * c-decl.c (declspecs_add_type): Move call to
        invoke_plugin_callbacks ...
        * c-parser.c (c_parser_declspecs): ... here.
        * plugin.c (dump_active_plugins): Tidy output.

2009-04-14  Diego Novillo  <dnovillo@google.com>
            Le-Chun Wu  <lcwu@google.com>

        * configure.ac: Add --enable-plugin support.
        Define ENABLE_PLUGIN and PLUGINLIBS when specified.
        * Makefile.in (PLUGIN_H): Define.
        Export ENABLE_PLUGIN and GMPINC to site.exp.
        Add PLUGINLIBS to link command.
        Add/modify dependencies for plugin.o and files including plugin.h.
        (plugin.o): New.
        * config.in: Regenerate.

        * opts.c (common_handle_option): Handle OPT_fplugin_ and
        OPT_fplugin_arg_.

2009-04-14  Le-Chun Wu  <lcwu@google.com>

        * tree-pass.h (register_one_dump_file): Add a prototype for
        register_one_dump_file.
        * toplev.c (compile_file): Call initialize_plugins.
        (do_compile): Call invoke_plugin_callbacks.
        (toplev_main): Call invoke_plugin_callbacks.
        * common.opt: Add -fplugin= and -fplugin-arg-.
        * gcc-plugin.h: New public header file for plugins to include.
        * plugin.c: New source file.
        * plugin.h: New internal header file.
        * passes.c (register_one_dump_file): Make it external.

        * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.

2009-04-14  Diego Novillo  <dnovillo@google.com>

        * doc/plugins.texi: New.
        * doc/gccint.texi: Add reference to Plugins chapter.
        * doc/invoke.texi: Document -fplugin and -fplugin-arg
        * diagnostic.c (diagnostic_report_diagnostic): Warn about
        loaded plugins, if any.
        * timevar.def (TV_PLUGIN_INIT): Define.
        (TV_PLUGIN_RUN): Define.
        * plugin.c: Include timevar.h
        (plugins_active_p): New.
        (dump_active_plugins): New.
        (debug_active_plugins): New.

2009-04-14  Joseph Myers  <joseph@codesourcery.com>

        * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
        library paths.
        * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.

2009-04-14  Kazu Hirata  <kazu@codesourcery.com>

        * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
        the same as a minus without a shift.

2009-04-14  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
        comparisons with small integers will always produce a short
        branch.

2009-04-14  Rafael Avila de Espindola  <espindola@google.com>

        Merge:
        2008-12-19  Diego Novillo  <dnovillo@google.com>

        * cgraph.c (dump_cgraph_node): Show memory address of NODE.

2009-04-14  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
        verification.
        (verify_gimple_assign_binary): Likewise.  Handle shifts and
        rotates correctly.
        (verify_gimple_phi): Print the mismatched argument position.
        * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
        Fix types.
        (vect_update_init_of_dr): Likewise.
        * matrix-reorg.c (transform_access_sites): Do what the
        comment suggests.
        * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.

2009-04-13  Michael Eager  <eager@eagercon.com>

        * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
        _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
        * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
        * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
        remove duplicate config

2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

        * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
        file_name:line_number type locator of the call site.

2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c: Put blank after comma.
        (automaton_decls): New.
        (struct unit_usage): Add comments to member next.
        (store_alt_unit_usage): Keep the list ordered.
        (unit_present_on_list_p, equal_alternatives_p): New.
        (check_regexp_units_distribution): Check units distribution
        correctness correctly.
        (main): Don't write automata if error is found.  Return correct
        exit code.

        * config/m68k/cf.md (cfv4_ds): Remove.
        (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
        cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.

        * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
        power4-load-ext, power4-store, power4-store-update,
        power4-fpstore, power4-fpstore-update, power4-two, power4-three,
        power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
        power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
        power4-sqrt, power4-isync): Modify reservation to make correct
        unit distribution to automata.

        * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
        power5-store-update, power5-two, power5-three, power5-lmul,
        power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.

2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>

        * except.c (pass_set_nothrow_function_flags): Set name and add
        TODO_dump_func.
        (set_nothrow_function_flags): Mention in the dump file when
        changing a function to nothrow.

2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>

        PR/39066
        * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
        instead of unsigned long.

2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (return_used_this_function): Remove.
        (arm_output_function_prologue): Remove use of
        return_used_this_function.
        (output_return_instruction): Replace use of
        return_used_this_function
        by cfun->machine->return_used_this_function.
        (arm_output_epilogue): Likewise.
        (arm_output_function_epilogue): Likewise.
        (thumb_unexpanded_epilogue): Likewise.
        * config/arm/arm.h (struct machine_function):
        New member return_used_this_function.

2009-04-12  Mark Mitchell  <mark@codesourcery.com>

        * doc/install.texi: Correct description of default directory for
        --with-gxx-include-dir.

2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (build_range_check): Properly deal with enumeral and
        boolean base types.

2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>

        * doc/invoke.texi (max_gcse_passes): Remove documentation.
        * params.def (PARAM_MAX_GCSE_PASSES): Remove.
        * params.h (MAX_GCSE_PASSES): Remove.
        * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
        in sequence.  Remove ability to run multiple passes.
        (bypass_jumps): Report run as third CPROP pass.

2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>

        PR middle-end/39651
        * except.c (can_throw_external): Look at each insn in a SEQUENCE
        when deciding whether the whole SEQUENCE can throw.

2009-04-12  Uros Bizjak  <ubizjak@gmail.com>

        PR target/39740
        * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
        offseted label references.

2009-04-11  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-pre.c (eliminate): Fix call of update_stmt.

2009-04-11  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39732
        * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
        return variables as TREE_ADDRESSABLE.

2009-04-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39713
        * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
        reference trees have SSA_NAME operands.

2009-04-11  Richard Guenther  <rguenther@suse.de>

        PR c/39712
        * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
        address expressions.

2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
        match changes in Cygwin 1.7
        (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
        UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.

2009-04-10  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/39701
        * doc/invoke.texi (Optimization Options): Document change in
        meaning and initialization of -fdelete-null-pointer-checks.

2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/39701
        * common.opt (-fdelete-null-pointer-checks): Initialize to 1.

        * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
        here.

        * doc/invoke.texi: Update -fdelete-null-pointer-checks.

2009-04-10  Chao-ying Fu  <fu@mips.com>

        * doc/tm.texi (Instruction Output): Document
        TARGET_ASM_FINAL_POSTSCAN_INSN.
        * target.h (final_postscan_insn): New field in asm_out.
        * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
        (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
        * final.c (final_scan_insn): Call
        targetm.asm_out.final_postscan_insn after outputting
        an asm macro and a normal instruction.

        * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
        * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
        * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
        (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
        (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.

2009-04-10  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/39701
        * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
        variables as non-NULL even with -fdelete-null-pointer-checks.

2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>

        * config/rs6000/darwin-vecsave.asm: Remove extra "*/".

2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39678
        * config/i386/i386.c (classify_argument): Handle SCmode with
        (bit_offset % 64) != 0.

2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Optimize Options): Add cross-reference to
        -Q --help=optimizers examples.

2009-04-10  Ben Elliston  <bje@au.ibm.com>

        PR target/36800
        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
        regalign for the reg == fpr and TDmode case.

2009-04-09  David Ayers  <ayers@fsfe.org>

        PR objc/29200
        * objc/objc-act.c (warn_with_method): Remove helper function.
        (check_duplicates): Call warning and inform directly.
        (really_start_method): Likewise.

2009-04-09  Paolo Bonzini  <bonzini@gnu.org>

        * expmed.c (expand_divmod): Always use a comparison for a division
        by a large unsigned integer.

        * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
        for things others than variables or functions as nonzero.

2009-04-09  Nick Clifton  <nickc@redhat.com>

        * unwind-compat.c: Change copyright header to refer to version
        3 of the GNU General Public License with version 3.1 of the
        GCC Runtime Library Exception and to point readers at the
        COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
        * config/alpha/crtfastmath.c: Likewise.
        * config/alpha/linux-unwind.h: Likewise.
        * config/alpha/qrnnd.asm: Likewise.
        * config/alpha/vms-crt0-64.c: Likewise.
        * config/alpha/vms-crt0.c: Likewise.
        * config/alpha/vms-dwarf2.asm: Likewise.
        * config/alpha/vms-dwarf2eh.asm: Likewise.
        * config/alpha/vms-psxcrt0-64.c: Likewise.
        * config/alpha/vms-psxcrt0.c: Likewise.
        * config/alpha/vms_tramp.asm: Likewise.
        * config/arc/initfini.c: Likewise.
        * config/arc/lib1funcs.asm: Likewise.
        * config/arm/bpabi-v6m.S: Likewise.
        * config/arm/bpabi.S: Likewise.
        * config/arm/bpabi.c: Likewise.
        * config/arm/crti.asm: Likewise.
        * config/arm/crtn.asm: Likewise.
        * config/arm/ieee754-df.S: Likewise.
        * config/arm/ieee754-sf.S: Likewise.
        * config/arm/lib1funcs.asm: Likewise.
        * config/arm/libunwind.S: Likewise.
        * config/arm/linux-atomic.c: Likewise.
        * config/arm/mmintrin.h: Likewise.
        * config/arm/pr-support.c: Likewise.
        * config/arm/unaligned-funcs.c: Likewise.
        * config/arm/unwind-arm.c: Likewise.
        * config/arm/unwind-arm.h: Likewise.
        * config/avr/libgcc.S: Likewise.
        * config/bfin/crti.s: Likewise.
        * config/bfin/crtlibid.s: Likewise.
        * config/bfin/crtn.s: Likewise.
        * config/bfin/lib1funcs.asm: Likewise.
        * config/bfin/linux-unwind.h: Likewise.
        * config/cris/arit.c: Likewise.
        * config/cris/cris_abi_symbol.c: Likewise.
        * config/darwin-64.c: Likewise.
        * config/darwin-crt2.c: Likewise.
        * config/darwin-crt3.c: Likewise.
        * config/darwin.h: Likewise.
        * config/dbxelf.h: Likewise.
        * config/dfp-bit.c: Likewise.
        * config/dfp-bit.h: Likewise.
        * config/elfos.h: Likewise.
        * config/fixed-bit.c: Likewise.
        * config/fixed-bit.h: Likewise.
        * config/fp-bit.c: Likewise.
        * config/fp-bit.h: Likewise.
        * config/fr30/crti.asm: Likewise.
        * config/fr30/crtn.asm: Likewise.
        * config/fr30/lib1funcs.asm: Likewise.
        * config/freebsd-spec.h: Likewise.
        * config/frv/cmovd.c: Likewise.
        * config/frv/cmovh.c: Likewise.
        * config/frv/cmovw.c: Likewise.
        * config/frv/frvbegin.c: Likewise.
        * config/frv/frvend.c: Likewise.
        * config/frv/lib1funcs.asm: Likewise.
        * config/glibc-stdint.h: Likewise.
        * config/h8300/clzhi2.c: Likewise.
        * config/h8300/crti.asm: Likewise.
        * config/h8300/crtn.asm: Likewise.
        * config/h8300/ctzhi2.c: Likewise.
        * config/h8300/fixunssfsi.c: Likewise.
        * config/h8300/lib1funcs.asm: Likewise.
        * config/h8300/parityhi2.c: Likewise.
        * config/h8300/popcounthi2.c: Likewise.
        * config/i386/ammintrin.h: Likewise.
        * config/i386/att.h: Likewise.
        * config/i386/avxintrin.h: Likewise.
        * config/i386/biarch64.h: Likewise.
        * config/i386/bmmintrin.h: Likewise.
        * config/i386/cpuid.h: Likewise.
        * config/i386/cross-stdarg.h: Likewise.
        * config/i386/crtfastmath.c: Likewise.
        * config/i386/crtprec.c: Likewise.
        * config/i386/cygming-crtbegin.c: Likewise.
        * config/i386/cygming-crtend.c: Likewise.
        * config/i386/cygwin.asm: Likewise.
        * config/i386/emmintrin.h: Likewise.
        * config/i386/gmm_malloc.h: Likewise.
        * config/i386/gthr-win32.c: Likewise.
        * config/i386/i386.h: Likewise.
        * config/i386/immintrin.h: Likewise.
        * config/i386/linux-unwind.h: Likewise.
        * config/i386/linux64.h: Likewise.
        * config/i386/mm3dnow.h: Likewise.
        * config/i386/mmintrin-common.h: Likewise.
        * config/i386/mmintrin.h: Likewise.
        * config/i386/nmmintrin.h: Likewise.
        * config/i386/pmm_malloc.h: Likewise.
        * config/i386/pmmintrin.h: Likewise.
        * config/i386/smmintrin.h: Likewise.
        * config/i386/sol2-c1.asm: Likewise.
        * config/i386/sol2-ci.asm: Likewise.
        * config/i386/sol2-cn.asm: Likewise.
        * config/i386/sol2-gc1.asm: Likewise.
        * config/i386/tmmintrin.h: Likewise.
        * config/i386/unix.h: Likewise.
        * config/i386/w32-unwind.h: Likewise.
        * config/i386/wmmintrin.h: Likewise.
        * config/i386/x86-64.h: Likewise.
        * config/i386/x86intrin.h: Likewise.
        * config/i386/xmmintrin.h: Likewise.
        * config/ia64/crtbegin.asm: Likewise.
        * config/ia64/crtend.asm: Likewise.
        * config/ia64/crtfastmath.c: Likewise.
        * config/ia64/crti.asm: Likewise.
        * config/ia64/crtn.asm: Likewise.
        * config/ia64/fde-glibc.c: Likewise.
        * config/ia64/lib1funcs.asm: Likewise.
        * config/ia64/linux-unwind.h: Likewise.
        * config/ia64/quadlib.c: Likewise.
        * config/ia64/unwind-ia64.c: Likewise.
        * config/linux.h: Likewise.
        * config/m32c/m32c-lib1.S: Likewise.
        * config/m32c/m32c-lib2-trapv.c: Likewise.
        * config/m32c/m32c-lib2.c: Likewise.
        * config/m32r/initfini.c: Likewise.
        * config/m68hc11/larith.asm: Likewise.
        * config/m68hc11/m68hc11-crt0.S: Likewise.
        * config/m68k/cf.md: Likewise.
        * config/m68k/crti.s: Likewise.
        * config/m68k/crtn.s: Likewise.
        * config/m68k/lb1sf68.asm: Likewise.
        * config/m68k/linux-unwind.h: Likewise.
        * config/mcore/crti.asm: Likewise.
        * config/mcore/crtn.asm: Likewise.
        * config/mcore/lib1.asm: Likewise.
        * config/mips/linux-unwind.h: Likewise.
        * config/mips/loongson.h: Likewise.
        * config/mips/mips16.S: Likewise.
        * config/mmix/crti.asm: Likewise.
        * config/mmix/crtn.asm: Likewise.
        * config/pa/fptr.c: Likewise.
        * config/pa/hpux-unwind.h: Likewise.
        * config/pa/lib2funcs.asm: Likewise.
        * config/pa/linux-atomic.c: Likewise.
        * config/pa/linux-unwind.h: Likewise.
        * config/pa/milli64.S: Likewise.
        * config/pa/quadlib.c: Likewise.
        * config/pa/stublib.c: Likewise.
        * config/picochip/libgccExtras/adddi3.asm: Likewise.
        * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
        * config/picochip/libgccExtras/ashlsi3.c: Likewise.
        * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
        * config/picochip/libgccExtras/ashrsi3.c: Likewise.
        * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
        * config/picochip/libgccExtras/divmod15.asm: Likewise.
        * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
        * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
        * config/picochip/libgccExtras/longjmp.asm: Likewise.
        * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
        * config/picochip/libgccExtras/lshrsi3.c: Likewise.
        * config/picochip/libgccExtras/parityhi2.asm: Likewise.
        * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
        * config/picochip/libgccExtras/setjmp.asm: Likewise.
        * config/picochip/libgccExtras/subdi3.asm: Likewise.
        * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
        * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
        * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
        * config/rs6000/750cl.h: Likewise.
        * config/rs6000/altivec.h: Likewise.
        * config/rs6000/biarch64.h: Likewise.
        * config/rs6000/crtresfpr.asm: Likewise.
        * config/rs6000/crtresgpr.asm: Likewise.
        * config/rs6000/crtresxfpr.asm: Likewise.
        * config/rs6000/crtresxgpr.asm: Likewise.
        * config/rs6000/crtsavfpr.asm: Likewise.
        * config/rs6000/crtsavgpr.asm: Likewise.
        * config/rs6000/darwin-asm.h: Likewise.
        * config/rs6000/darwin-fallback.c: Likewise.
        * config/rs6000/darwin-fpsave.asm: Likewise.
        * config/rs6000/darwin-ldouble.c: Likewise.
        * config/rs6000/darwin-tramp.asm: Likewise.
        * config/rs6000/darwin-unwind.h: Likewise.
        * config/rs6000/darwin-vecsave.asm: Likewise.
        * config/rs6000/darwin-world.asm: Likewise.
        * config/rs6000/e500crtres32gpr.asm: Likewise.
        * config/rs6000/e500crtres64gpr.asm: Likewise.
        * config/rs6000/e500crtres64gprctr.asm: Likewise.
        * config/rs6000/e500crtrest32gpr.asm: Likewise.
        * config/rs6000/e500crtrest64gpr.asm: Likewise.
        * config/rs6000/e500crtresx32gpr.asm: Likewise.
        * config/rs6000/e500crtresx64gpr.asm: Likewise.
        * config/rs6000/e500crtsav32gpr.asm: Likewise.
        * config/rs6000/e500crtsav64gpr.asm: Likewise.
        * config/rs6000/e500crtsav64gprctr.asm: Likewise.
        * config/rs6000/e500crtsavg32gpr.asm: Likewise.
        * config/rs6000/e500crtsavg64gpr.asm: Likewise.
        * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
        * config/rs6000/eabi-ci.asm: Likewise.
        * config/rs6000/eabi-cn.asm: Likewise.
        * config/rs6000/eabi.asm: Likewise.
        * config/rs6000/linux-unwind.h: Likewise.
        * config/rs6000/linux64.h: Likewise.
        * config/rs6000/paired.h: Likewise.
        * config/rs6000/paired.md: Likewise.
        * config/rs6000/ppc64-fp.c: Likewise.
        * config/rs6000/ppu_intrinsics.h: Likewise.
        * config/rs6000/rs6000.h: Likewise.
        * config/rs6000/si2vmx.h: Likewise.
        * config/rs6000/sol-ci.asm: Likewise.
        * config/rs6000/sol-cn.asm: Likewise.
        * config/rs6000/spe.h: Likewise.
        * config/rs6000/spu2vmx.h: Likewise.
        * config/rs6000/sysv4.h: Likewise.
        * config/rs6000/tramp.asm: Likewise.
        * config/rs6000/vec_types.h: Likewise.
        * config/s390/linux-unwind.h: Likewise.
        * config/s390/tpf-unwind.h: Likewise.
        * config/score/crti.asm: Likewise.
        * config/score/crtn.asm: Likewise.
        * config/sh/crt1.asm: Likewise.
        * config/sh/crti.asm: Likewise.
        * config/sh/crtn.asm: Likewise.
        * config/sh/divtab-sh4-300.c: Likewise.
        * config/sh/divtab-sh4.c: Likewise.
        * config/sh/divtab.c: Likewise.
        * config/sh/lib1funcs-4-300.asm: Likewise.
        * config/sh/lib1funcs-Os-4-200.asm: Likewise.
        * config/sh/lib1funcs.asm: Likewise.
        * config/sh/lib1funcs.h: Likewise.
        * config/sh/linux-atomic.asm: Likewise.
        * config/sh/linux-unwind.h: Likewise.
        * config/sh/shmedia.h: Likewise.
        * config/sh/sshmedia.h: Likewise.
        * config/sh/ushmedia.h: Likewise.
        * config/sparc/crtfastmath.c: Likewise.
        * config/sparc/linux-unwind.h: Likewise.
        * config/sparc/sol2-c1.asm: Likewise.
        * config/sparc/sol2-ci.asm: Likewise.
        * config/sparc/sol2-cn.asm: Likewise.
        * config/spu/divmodti4.c: Likewise.
        * config/spu/divv2df3.c: Likewise.
        * config/spu/float_disf.c: Likewise.
        * config/spu/float_unsdidf.c: Likewise.
        * config/spu/float_unsdisf.c: Likewise.
        * config/spu/float_unssidf.c: Likewise.
        * config/spu/mfc_multi_tag_release.c: Likewise.
        * config/spu/mfc_multi_tag_reserve.c: Likewise.
        * config/spu/mfc_tag_release.c: Likewise.
        * config/spu/mfc_tag_reserve.c: Likewise.
        * config/spu/mfc_tag_table.c: Likewise.
        * config/spu/multi3.c: Likewise.
        * config/spu/spu_internals.h: Likewise.
        * config/spu/spu_intrinsics.h: Likewise.
        * config/spu/spu_mfcio.h: Likewise.
        * config/spu/vec_types.h: Likewise.
        * config/spu/vmx2spu.h: Likewise.
        * config/stormy16/stormy16-lib2.c: Likewise.
        * config/svr4.h: Likewise.
        * config/sync.c: Likewise.
        * config/v850/lib1funcs.asm: Likewise.
        * config/vxlib-tls.c: Likewise.
        * config/vxlib.c: Likewise.
        * config/vxworks-dummy.h: Likewise.
        * config/xtensa/crti.asm: Likewise.
        * config/xtensa/crtn.asm: Likewise.
        * config/xtensa/ieee754-df.S: Likewise.
        * config/xtensa/ieee754-sf.S: Likewise.
        * config/xtensa/lib1funcs.asm: Likewise.
        * config/xtensa/lib2funcs.S: Likewise.
        * config/xtensa/linux-unwind.h: Likewise.
        * config/xtensa/unwind-dw2-xtensa.c: Likewise.
        * config/xtensa/unwind-dw2-xtensa.h: Likewise.
        * coretypes.h: Likewise.
        * crtstuff.c: Likewise.
        * defaults.h: Likewise.
        * dwarf2.h: Likewise.
        * emutls.c: Likewise.
        * gbl-ctors.h: Likewise.
        * gcov-io.h: Likewise.
        * ginclude/float.h: Likewise.
        * ginclude/iso646.h: Likewise.
        * ginclude/stdarg.h: Likewise.
        * ginclude/stdbool.h: Likewise.
        * ginclude/stddef.h: Likewise.
        * ginclude/stdfix.h: Likewise.
        * ginclude/stdint-gcc.h: Likewise.
        * ginclude/tgmath.h: Likewise.
        * gthr-aix.h: Likewise.
        * gthr-dce.h: Likewise.
        * gthr-gnat.c: Likewise.
        * gthr-gnat.h: Likewise.
        * gthr-lynx.h: Likewise.
        * gthr-mipssde.h: Likewise.
        * gthr-nks.h: Likewise.
        * gthr-posix.c: Likewise.
        * gthr-posix.h: Likewise.
        * gthr-posix95.h: Likewise.
        * gthr-rtems.h: Likewise.
        * gthr-single.h: Likewise.
        * gthr-solaris.h: Likewise.
        * gthr-tpf.h: Likewise.
        * gthr-vxworks.h: Likewise.
        * gthr-win32.h: Likewise.
        * gthr.h: Likewise.
        * libgcc2.c: Likewise.
        * libgcc2.h: Likewise.
        * libgcov.c: Likewise.
        * tsystem.h: Likewise.
        * typeclass.h: Likewise.
        * unwind-c.c: Likewise.
        * unwind-compat.h: Likewise.
        * unwind-dw2-fde-compat.c: Likewise.
        * unwind-dw2-fde-darwin.c: Likewise.
        * unwind-dw2-fde-glibc.c: Likewise.
        * unwind-dw2-fde.c: Likewise.
        * unwind-dw2-fde.h: Likewise.
        * unwind-dw2.c: Likewise.
        * unwind-dw2.h: Likewise.
        * unwind-generic.h: Likewise.
        * unwind-pe.h: Likewise.
        * unwind-sjlj.c: Likewise.
        * unwind.inc: Likewise.
        * config/arm/neon-gen.ml: Change generated copyright header to
        refer to version 3 of the GNU General Public License with
        version 3.1 of the GCC Runtime Library Exception and to point
        readers at the COPYING3 and COPYING3.RUNTIME files and the
        FSF's license web page.
        * config/arm/arm_neon.h: Regenerate.

2009-04-09  Jakub Jelinek  <jakub@redhat.com>

        * config/cris/cris.md: Change copyright header to refer to version
        3 of the GNU General Public License.
        * doc/install.texi2html: Change copyright header to refer to version
        3 of the GNU General Public License and to point readers at the
        COPYING3 file and the FSF's license web page.
        * config/vax/linux.h: Likewise.

2009-04-09  Paolo Bonzini  <bonzini@gnu.org>

        * config/i386/i386.md (cmpcc): New.
        * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
        (sync_compare_and_swap_cc*): Delete.

        * config/s390/s390.c (s390_compare_emitted): Remove.
        (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
        s390_compare_emitted used to be handled.  Assert that modes match.
        (s390_emit_compare_and_swap): Use s390_emit_compare, do not
        refer to sync_compare_and_swap_ccsi.
        * config/s390/s390.h (s390_compare_emitted): Remove.
        * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
        instead of s390_compare_emitted.
        (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
        instead of s390_compare_emitted.
        * config/s390/s390.md (cmpcc): New.
        (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
        CC_REGNUM, do not pretend it's set.
        (sync_compare_and_swap_cc*): Delete.
        * config/s390/predicates.md (cc_reg_operand): New.

        * expr.c (sync_compare_and_swap_cc): Delete.
        * optabs.h (sync_compare_and_swap_cc): Delete.
        * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
        is being used with can_compare_p.
        (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
        (find_cc_set): New.
        (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
        look for a MODE_CC set instead.  Use emit_store_flag.
        (expand_compare_and_swap_loop): Likewise, with some additional
        complication to avoid a force_reg when useless.  Use
        emit_cmp_and_jump_insns.
        * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
        * doc/md.texi (sync_compare_and_swap_cc): Merge with
        sync_compare_and_swap documentation.

2009-04-09  Jan Hubicka  <jh@suse.cz>

        * except.c (find_prev_try): Break out from ....
        (duplicate_eh_regions): ... here; properly update prev_try pointers
        when duplication part of tree.
        (dump_eh_tree): Improve dumping.
        (verify_eh_region): New.
        (verify_eh_tree): Use it.

2009-04-06  Richard Guenther  <rguenther@suse.de>

        * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
        &ARRAY addresses by adjusting their types and prepending
        a conversion.
        * tree-cfg.c (verify_gimple_assign_single): Verify that
        addresses are correct.

2009-04-09  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
        indices into an array reference if possible.
        * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
        Fold POINTER_PLUS_EXPR statements with invariant address.

2009-04-09  Alan Modra  <amodra@bigpond.net.au>

        PR target/39634
        * config.gcc (powerpc64-*-linux*): Always build biarch.

2009-04-09  Joseph Myers  <joseph@codesourcery.com>

        PR c/39613
        * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
        it and pedwarn if this results in an INTEGER_CST.

2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * doc/install.texi: Update minimum GMP version.  Remove obsolete
        text in MPFR section.

2009-04-08  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (class_scope_p): New static inline.
        (class_or_namespace_scope_p): Use it.
        (gen_variable_die): Use DW_TAG_member tag for static data member
        declarations instead of DW_TAG_variable.

        PR middle-end/39573
        * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
        variables.

2009-04-08  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (valueize_refs): Do not continue to
        valueize random data.

2009-04-08  David Edelsohn  <edelsohn@gnu.org>

        * config.gcc (aix tm_file):  Add aix-stdint.h.
        (aix tm clause use_gcc_stdint):  Set to wrap.
        * config/rs6000/aix-stdint.h:  New file.

2009-04-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36291
        * tree-dfa.c (add_referenced_var): Do not recurse into
        global initializers.
        * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
        exposed variables.
        (fold_const_aggregate_ref): Likewise.

2009-04-08  Paolo Bonzini  <bonzini@gnu.org>

        * recog.c (ordered_comparison_operator): New.
        * gensupport.c (std_preds): Add it.
        * doc/md.texi (Machine-Independent Predicates): Document it.

2009-04-08  Jan Hubicka  <jh@suse.cz>

        * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
        * function.h (rtl_eh): Remove exception_handler_label_map.
        * except.c (ehl_hash, ehl_eq, add_ehl_entry,
        remove_exception_handler_label, for_each_eh_label_1): Remove.
        (rtl_remove_unreachable_regions): Remove.
        (convert_from_eh_region_ranges): Do not remove unreachable regions.
        (find_exception_handler_labels): Don't build the hashtable.
        (maybe_remove_eh_handler): Remove.
        (for_each_eh_label): Rewrite to walk the tree.
        (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
        * except.h (maybe_remove_eh_handler): Remove.
        * passes.c (init_optimization_passes): Schedule second EH cleanup
        before out-of-ssa.
        * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
        cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.

2009-04-08  Paolo Bonzini  <bonzini@gnu.org>

        * genoutput.c (validate_optab_operands): New.
        (gen_insn, gen_expand): Call it.

        * genflags.c (gen_insn): Detect misused iterators.
        (main): Pass line_no to gen_insn, exit with status 1 on error.

        * genextract.c (line_no): Make global.
        (VEC_safe_set_locstr): Change assertion to error message.
        (main): Exit with status 1 on error.

2009-04-08  Joseph Myers  <joseph@codesourcery.com>

        PR c/39614
        PR c/39673
        * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
        C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
        EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
        * c-convert.c (convert): Do not call fold on results of conversion
        functions when the result is a C_MAYBE_CONST_EXPR.
        * c-parser.c (c_parser_postfix_expression): Do not fold condition
        of __builtin_choose_expr.
        * c-typeck.c (remove_c_maybe_const_expr): New.
        (build_unary_op, build_conditional_expr, build_compound_expr,
        build_binary_op, c_objc_common_truthvalue_conversion): Call
        remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
        integer operands.

2009-04-08  Bingfeng Mei  <bmei@broadcom.com>

        * fold-const.c (const_binop): Combine two VECTOR_CST under operation
        CODE to produce a new one. Add a prototype to use fold_convert_const

2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>

        PR bootstrap/39660
        * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
        mix declarations and code.

2009-04-08  Ben Elliston  <bje@au.ibm.com>

        * gcc.c: Replace `CC' with `GCC' throughout.

2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/invoke.texi: Document Atom support.

2009-04-07  Jason Merrill  <jason@redhat.com>

        PR c++/25185
        * c-common.h, c-common.c: Add flag_pretty_templates.
        * c-opts.c (c_common_handle_option): Set it.
        * c.opt: Add -fno-pretty-templates.
        * doc/invoke.texi (C++ Dialect Options): Likewise.

2009-04-07  Uros Bizjak  <ubizjak@gmail.com>

        * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
        (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
        (ia64_expand_builtin): Likewise.

2009-04-07  Martin Jambor  <mjambor@suse.cz>

        * tree-ssa-alias.c (refs_may_alias_p_1): Check for
        is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
        ADDR_EXPRS are include too.

2009-04-07  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
        decls are only used if passes as parameters or if they are
        local statics and the call is not to a builtin.
        (call_may_clobber_ref_p_1): Likewise.

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (do_store_flag): Remove last argument.  Simplify code
        to avoid duplication of tests already done by can_compare_p.
        (expand_expr_real_1): Adjust caller.

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

        * optabs.c (can_compare_p): Test the predicate of a
        cbranch and cstore pattern.

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (convert_move): Use emit_store_flag instead of
        "emulating" it.

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

        * config/i386/i386.c (ix86_compare_emitted): Remove.
        (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
        ix86_compare_op0 like ix86_compare_emitted used to be handled.
        * config/i386/i386.h (ix86_compare_emitted): Remove.
        * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
        instead of ix86_compare_emitted.
        * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.

2009-04-07  Andrew Stubbs  <ams@codesourcery.com>

        * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
        Add t-sysroot-suffix to tmake_file.
        * config/print-sysroot-suffix.sh: New file.
        * config/t-sysroot-suffix: New file.

2009-04-07  Ben Elliston  <bje@au.ibm.com>

        * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
        as the latter produces a warning when the target does not support
        infinity.

2009-04-07  Ben Elliston  <bje@au.ibm.com>

        * dfp.c: Replace type punning assignments with memcpy throughout.
        * Makefile.in (dfp.o-warn): Remove.

2009-04-07  Alan Modra  <amodra@bigpond.net.au>

        PR target/39634
        * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
        Include soft-fp/t-softfp after rs6000/t-linux64.

2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (set_sizetype): Use the full precision of their
        machine mode for bitsize types.

2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md: Revert 2 accidental checkins.

2009-04-06  Joey Ye  <joey.ye@intel.com>
            Xuepeng Guo  <xuepeng.guo@intel.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        Atom pipeline model, tuning and insn selection.
        * config.gcc (atom): Add atom config options and target.

        * config/i386/atom.md: New.

        * config/i386/i386.c (atom_cost): New cost.
        (m_ATOM): New macro flag.
        (initial_ix86_tune_features): Set m_ATOM.
        (x86_accumulate_outgoing_args): Likewise.
        (x86_arch_always_fancy_math_387): Likewise.
        (processor_target): Add Atom cost.
        (cpu_names): Add Atom cpu name.
        (override_options): Set Atom ISA.
        (ix86_issue_rate): New case PROCESSOR_ATOM.
        (ix86_adjust_cost): Likewise.

        * config/i386/i386.h (TARGET_ATOM): New target macro.
        (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
        (TARGET_OPT_AGU): New target option.
        (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
        (processor_type): Add PROCESSOR_ATOM.

        * config/i386/i386.md (cpu): Add new value "atom".
        (use_carry, movu): New attr.
        (atom.md): Include atom.md.
        (adddi3_carry_rex64): Set attr "use_carry".
        (addqi3_carry): Likewise.
        (addhi3_carry): Likewise.
        (addsi3_carry): Likewise.
        (*addsi3_carry_zext): Likewise.
        (subdi3_carry_rex64): Likewise.
        (subqi3_carry): Likewise.
        (subhi3_carry): Likewise.
        (subsi3_carry): Likewise.
        (x86_movdicc_0_m1_rex64): Likewise.
        (*x86_movdicc_0_m1_se): Likewise.
        (x86_movsicc_0_m1): Likewise.
        (*x86_movsicc_0_m1_se): Likewise.
        (*adddi_1_rex64): Emit add insn as much as possible.
        (*addsi_1): Likewise.
        (return_internal): Set atom_unit.
        (return_internal_long): Likewise.
        (return_pop_internal): Likewise.
        (*rcpsf2_sse): Set atom_sse_attr attr.
        (*qrt<mode>2_sse): Likewise.
        (*prefetch_sse): Likewise.

        * config/i386/i386-c.c (ix86_target_macros_internal): New case
        PROCESSOR_ATOM.
        (ix86_target_macros_internal): Likewise.

        * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
        (*prefetch_sse_rex): Likewise.
        (sse_rcpv4sf2): Likewise.
        (sse_vmrcpv4sf2): Likewise.
        (sse_sqrtv4sf2): Likewise.
        (<sse>_vmsqrt<mode>2): Likewise.
        (sse_ldmxcsr): Likewise.
        (sse_stmxcsr): Likewise.
        (*sse_sfence): Likewise.
        (sse2_clflush): Likewise.
        (*sse2_mfence): Likewise.
        (*sse2_lfence): Likewise.
        (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
        (<sse>_movup<ssemodesuffixf2c>): Likewise.
        (avx_movdqu<avxmodesuffix>): Likewise.
        (avx_lddqu<avxmodesuffix>): Likewise.
        (sse2_movntv2di): Change attr "type" to "ssemov".
        (sse2_movntsi): Likewise.
        (rsqrtv8sf2): Change attr "type" to "sseadd".
        (sse3_addsubv2df3): Set attr "atom_unit".
        (sse3_h<plusminus_insn>v4sf3): Likewise.
        (*sse2_pmaddwd): Likewise.
        (*vec_extractv2di_1_rex64): Likewise.
        (*vec_extractv2di_1_avx): Likewise.
        (sse2_psadbw): Likewise.
        (ssse3_phaddwv8hi3): Likewise.
        (ssse3_phaddwv4hi3): Likewise.
        (ssse3_phadddv4si3): Likewise.
        (ssse3_phadddv2si3): Likewise.
        (ssse3_phaddswv8hi3): Likewise.
        (ssse3_phaddswv4hi3): Likewise.
        (ssse3_phsubwv8hi3): Likewise.
        (ssse3_phsubwv4hi3): Likewise.
        (ssse3_phsubdv4si3): Likewise.
        (ssse3_phsubdv2si3): Likewise.
        (ssse3_phsubswv8hi3): Likewise.
        (ssse3_phsubswv4hi3): Likewise.
        (ssse3_pmaddubsw128): Likewise.
        (sse3_pmaddubsw: Likewise.
        (ssse3_palignrti): Likewise.
        (ssse3_palignrdi): Likewise.

2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific): Fix two cross-references to MinGW.

2009-04-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/28868
        * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
        of which PHI results we inserted.
        (insert_into_preds_of_block): Record inserted PHIs.
        (eliminate): Eliminate redundant PHI nodes.
        (init_pre): Init inserted_phi_names.

2009-04-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39643
        * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
        IMAGPART_EXPRs of complex constants.
        (execute_fold_all_builtins): If we folded a call queue
        TODO_update_address_taken.

2009-04-06  Jan Hubicka  <jh@suse.cz>

        PR middle-end/39659
        * except.c (remove_unreachable_regions): Propagate may_contain_throw
        flag.

2009-04-06  Andrew Stubbs  <ams@codesourcery.com>

        * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
        delay slot.
        (ic_invalidate_array): Likewise.

2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * calls.c (emit_library_call_value_1): Fix a problem with parameter
        alignment for library calls.

2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>

        * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
        (mingw32 tm clause use_gcc_stdint):  Set to wrap.
        * config/i386/mingw-stdint.h:  New file.

2009-04-05  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39648
        * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
        our &A vs. &A[0] IL deficiencies.

2009-04-04  Jan Hubicka  <jh@suse.cz>

        * except.c (sjlj_find_directly_reachable_regions): Be ready for
        removed toplevel regions.
        (sjlj_mark_call_sites): Likewise.

2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
        (cygwin tm clause use_gcc_stdint):  Set to wrap.
        * config/i386/cygwin-stdint.h:  New file.

2009-04-04  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
        * tree-ssa-copy.c (init_copy_prop): Do not propagate through
        single-argument PHIs if we are in loop-closed SSA form.
        * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
        for the pre-condition.
        (slpeel_tree_peel_loop_to_edge): Likewise.
        (vect_build_loop_niters): Take an optional sequence to append stmts.
        (vect_generate_tmps_on_preheader): Likewise.
        (vect_do_peeling_for_loop_bound): Take extra guards for the
        pre-condition.
        (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
        the cost model check.
        (vect_loop_versioning): Take stmt and stmt list to put pre-condition
        guards if we are going to peel.  Do not apply versioning in that case.
        * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
        (vect_do_peeling_for_loop_bound): Likewise.
        * tree-vect-loop.c (vect_transform_loop): If we are peeling for
        loop bound only record extra pre-conditions, do not apply loop
        versioning.

2009-04-04  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
        renaming code.

2009-04-04  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
        last_basic_block for size of bb->index indexed array.
        * bt-load.c (compute_defs_uses_and_gen, compute_kill,
        compute_out, link_btr_uses, build_btr_def_use_webs,
        build_btr_def_use_webs, migrate_btr_defs): Likewise.

2009-04-04  Jan Hubicka  <jh@suse.cz>

        * except.c (remove_eh_handler_and_replace): Break out from ...
        (remove_eh_handler): ... here.
        (bring_to_root): New function.
        (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
        handled ones, bring others to root of tree.

2009-04-04  Jan Hubicka  <jh@suse.cz>

        * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
        (all_phis_safe_to_merge): New function.
        (update_info): New structure.
        (make_eh_edge_and_update_phi, update_eh_edges): New functions.
        (cleanup_empty_eh): Update SSA if possible.

2009-04-04  Richard Guenther  <rguenther@suse.de>

        * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
        * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
        (append_vuse): Likewise.

2009-04-04  Jakub Jelinek  <jakub@redhat.com>

        * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
        * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
        instead of REG_UNSAVED for DW_CFA_undefined.
        (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
        (uw_update_context): If RA column is REG_UNDEFINED, mark it as
        outermost frame.

2009-04-04  Richard Earnshaw  <rearnsha@arm.com>

        PR target/39501
        * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
        * testsuite/gcc.c-torture/execute/pr39501.c: New file.
        * testsuite/gcc.c-torture/execute/pr39501.x: New file.

2009-04-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/8781
        PR tree-optimization/37892
        * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
        * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
        (valueize_refs): Call it for *& valueizations.
        (shared_reference_ops_from_ref): Rename to ...
        (valueize_shared_reference_ops_from_ref): ... this and valueize.
        (shared_reference_ops_from_call): Rename to ...
        (valueize_shared_reference_ops_from_call): ... this and valueize.
        (vn_reference_lookup): Update.
        (visit_reference_op_call): Likewise.
        * tree-ssa-pre.c (phi_translate_1): Fold *&.
        (eliminate): Value-replace the call address in call statements.

2009-04-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39636
        * tree-ssa-forwprop.c
        (forward_propagate_addr_into_variable_array_index): Check for
        GIMPLE_ASSIGN before accessing the rhs code.

2009-04-03  Jason Merrill  <jason@redhat.com>

        * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.

2009-04-03  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
        truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
        fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
        floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
        fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
        smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
        divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
        umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
        *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
        *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
        adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
        smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
        *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
        *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
        sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
        Use fr_reg_or_fp01_operand instead of fr_register_operand

        * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
        recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
        divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.

2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/39607
        PR rtl-optimization/39631

        Revert:

        2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
        * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
        instead of DF_LR_OUT.
        * ira-lives.c (process_bb_node_lives): Ditto.
        * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
        instead of DF_LR_{OUT,IN}.
        * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
        * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.

2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>

        * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
        (execute_lower_omp): Always run but take the short way out if -fopenmp
        is not given.
        (gate_lower_omp): Remove, forcing the pass manager to always run the
        pass and always set PROP_gimple_lomp.
        (pass_lower_omp): Remove gate function.
        * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
        PROP_trees.  Instead, require it.
        * ipa-cp.c (pass_ipa_cp): Likewise.
        * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
        (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
        * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
        and PROP_gimple_leh.

2009-04-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/13146
        PR tree-optimization/23940
        PR tree-optimization/33237
        PR middle-end/33974
        PR middle-end/34093
        PR tree-optimization/36201
        PR tree-optimization/36230
        PR tree-optimization/38049
        PR tree-optimization/38207
        PR tree-optimization/38230
        PR tree-optimization/38301
        PR tree-optimization/38585
        PR middle-end/38895
        PR tree-optimization/38985
        PR tree-optimization/39299
        * tree-ssa-structalias.h: Remove.
        * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
        (NULL_DEF_OPERAND_P): Make of type def_operand_p.
        (struct vuse_element_d): Remove.
        (struct vuse_vec_d): Likewise.
        (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
        VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
        SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
        VUSE_ELEMENT_VAR): Likewise.
        (struct voptype_d): Likewise.
        (NUM_VOP_FREE_BUCKETS): Likewise.
        (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
        (struct stmt_operands_d): Remove.
        (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
        VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
        VDEF_NUM, VDEF_VECT): Likewise.
        (copy_virtual_operands): Remove.
        (operand_build_cmp): Likewise.
        (create_ssa_artificial_load_stmt): Likewise.
        (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
        (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
        vuse_index and mayuse_index members.  Pack and move done and iter_type
        members to the front.
        (SSA_OP_VMAYUSE): Remove.
        (SSA_OP_VIRTUAL_USES): Adjust.
        (FOR_EACH_SSA_VDEF_OPERAND): Remove.
        (unlink_stmt_vdef): Declare.
        (add_to_addressable_set): Remove.
        * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
        (vrp_visit_stmt): Likewise.
        * doc/tree-ssa.texi (Alias analysis): Update.
        * doc/invoke.texi (max-aliased-vops): Remove docs.
        (avg-aliased-vops): Likewise.
        * tree-into-ssa.c (syms_to_rename): Remove.
        (need_to_update_vops_p): Likewise.
        (need_to_initialize_update_ssa_p): Rename to ...
        (update_ssa_initialized_fn): ... this.  Track function we are
        initialized for.
        (symbol_marked_for_renaming): Simplify.
        (add_new_name_mapping): Do not set need_to_update_vops_p.
        (dump_currdefs): Use SYMS_TO_RENAME.
        (rewrite_update_stmt): Always walk all uses/defs.
        (dump_update_ssa): Adjust.
        (init_update_ssa): Take function argument.  Track what we are
        initialized for.
        (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
        (create_new_def_for): Initialize for cfun, assert we are initialized
        for cfun.
        (mark_sym_for_renaming): Simplify.
        (mark_set_for_renaming): Do not initialize update-ssa.
        (need_ssa_update_p): Simplify.  Take function argument.
        (name_mappings_registered_p): Assert we ask for the correct function.
        (name_registered_for_update_p): Likewise.
        (ssa_names_to_replace): Likewise.
        (release_ssa_name_after_update_ssa): Likewise.
        (update_ssa): Likewise.  Use SYMS_TO_RENAME.
        (dump_decl_set): Do not print a newline.
        (debug_decl_set): Do it here.
        (dump_update_ssa): And here.
        * tree-ssa-loop-im.c (move_computations): Adjust.
        (movement_possibility): Likewise.
        (determine_max_movement): Likewise.
        (gather_mem_refs_stmt): Likewise.
        * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
        or NAME_MEMORY_TAG.
        * tree-complex.c (update_all_vops): Remove.
        (expand_complex_move): Adjust.
        * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
        Simplify test for memory referencing statement.  Exclude
        non-invariant ADDR_EXPRs.
        * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
        * tree-loop-distribution.c (generate_memset_zero): Adjust.
        (rdg_flag_uses): Likewise.
        * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
        related code.
        (tree_optimize_tail_calls_1): Also split the
        edge from the entry block if we have degenerate PHI nodes in
        the first basic block.
        * tree.c (init_ttree): Remove memory-tag related code.
        (tree_code_size): Likewise.
        (tree_node_structure): Likewise.
        (build7_stat): Re-write to be build6_stat.
        * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
        (SSA_VAR_P): Adjust.
        (struct tree_memory_tag): Remove.
        (struct tree_memory_partition_tag): Likewise.
        (union tree_node): Adjust.
        (build7): Re-write to be build6.
        * tree-pass.h (pass_reset_cc_flags): Remove.
        (TODO_update_address_taken): New flag.
        (pass_simple_dse): Remove.
        * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
        * params.h (MAX_ALIASED_VOPS): Remove.
        (AVG_ALIASED_VOPS): Likewise.
        * omp-low.c (expand_omp_taskreg): Update SSA form.
        * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
        aliases the lhs in a copy stmt.
        * tree-ssa-dse.c (struct address_walk_data): Remove.
        (memory_ssa_name_same): Likewise.
        (memory_address_same): Likewise.
        (get_kill_of_stmt_lhs): Likewise.
        (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
        unused stores.  Look through PHI nodes into post-dominated regions.
        (dse_optimize_stmt): Simplify.  Properly remove stores.
        (tree_ssa_dse): Compute dominators.
        (execute_simple_dse): Remove.
        (pass_simple_dse): Likewise.
        * ipa-reference.c (scan_stmt_for_static_refs): Open-code
        gimple_loaded_syms and gimple_stored_syms computation.
        * toplev.c (dump_memory_report): Dump alias and pta stats.
        * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
        (vn_reference_eq): Likewise.
        (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
        copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
        valueize_vuses): Remove.
        (get_def_ref_stmt_vuses): Simplify.  Rename to ...
        (get_def_ref_stmt_vuse): ... this.
        (vn_reference_lookup_2): New function.
        (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
        walking equivalent vuses.  Simplify.
        (vn_reference_lookup): Likewise.
        (vn_reference_insert): Likewise.
        (vn_reference_insert_pieces): Likewise.
        (visit_reference_op_call): Simplify.
        (visit_reference_op_load): Likewise.
        (visit_reference_op_store): Likewise.
        (init_scc_vn): Remove shared_lookup_vuses initialization.
        (free_scc_vn): Remove shared_lookup_vuses freeing.
        (sort_vuses, sort_vuses_heap): Remove.
        (get_ref_from_reference_ops): Export.
        * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
        vector with single vuse pointer.
        (vn_reference_lookup_pieces, vn_reference_lookup,
        vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
        (shared_vuses_from_stmt): Remove.
        (get_ref_from_reference_ops): Declare.
        * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
        memory-tag related code.
        * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
        (likely_value): Add comment, skip static-chain of call statements.
        (surely_varying_stmt_p): Adjust.
        (gimplify_and_update_call_from_tree): Likewise.
        (execute_fold_all_builtins): Do not rebuild alias info.
        (gimplify_and_update_call_from_tree): Properly update VOPs.
        * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
        (copy_ref_info): Remove memory-tag related code.
        * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
        * ipa-pure-const.c (check_decl): Remove memory-tag related code.
        (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
        computation.
        * tree-ssa-dom.c (gimple_p): Remove typedef.
        (eliminate_redundant_computations): Adjust.
        (record_equivalences_from_stmt): Likewise.
        (avail_expr_hash): Likewise.
        (avail_expr_eq): Likewise.
        * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
        (stmt_makes_single_load): Likewise.
        (stmt_makes_single_store): Likewise.
        * tree-ssa-alias.c: Rewrite completely.
        (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
        debug_mem_sym_stats, dump_mem_sym_stats_for_var,
        debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
        delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
        dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
        Remove public functions.
        (pass_reset_cc_flags): Remove.
        (pass_build_alias): Move ...
        * tree-ssa-structalias.c (pass_build_alias): ... here.
        * tree-ssa-alias.c (may_be_aliased): Move ...
        * tree-flow-inline.h (may_be_aliased): ... here.
        tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
        count_uses_and_derefs): Move ...
        * gimple.c: ... here.
        * gimple.h (count_uses_and_derefs): Declare.
        * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
        ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
        same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
        indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
        ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
        call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
        get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
        New functions.
        * tree-dfa.c (refs_may_alias_p): Move ...
        * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
        * tree-ssa-alias.h: New file.
        * tree-ssa-sink.c (is_hidden_global_store): Adjust.
        (statement_sink_location): Likewise.
        * opts.c (decode_options): Do not adjust max-aliased-vops or
        avg-aliased-vops values.
        * timevar.def (TV_TREE_MAY_ALIAS): Remove.
        (TV_CALL_CLOBBER): Likewise.
        (TV_FLOW_SENSITIVE): Likewise.
        (TV_FLOW_INSENSITIVE): Likewise.
        (TV_MEMORY_PARTITIONING): Likewise.
        (TV_ALIAS_STMT_WALK): New timevar.
        * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
        * tree-ssa-address.c (create_mem_ref_raw): Use build6.
        (get_address_description): Remove memory-tag related code.
        * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
        * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
        * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
        and immediate uses in statements.  Document.
        * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
        (dump_symbols): Remove.
        (dump_gimple_mem_ops): Do not dump loaded or stored syms.
        * alias.c (get_deref_alias_set): New function split out from ...
        (get_alias_set): ... here.
        * alias.h (get_deref_alias_set): Declare.
        * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
        type parameter.  Remove restrict pointer handling.  Create a
        ref-all pointer in case type-based alias sets do not conflict.
        (vect_analyze_data_refs): Remove SMT related code.
        * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
        (vectorizable_load): Likewise.
        * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
        (DR_SYMBOL_TAG, DR_VOPS): Remove.
        * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
        Ignore vops and SMTs.
        (dr_analyze_alias): Likewise..
        (free_data_ref): Likewise.
        (create_data_ref): Likewise.
        (analyze_all_data_dependences): Likewise.
        (get_references_in_stmt): Adjust.
        * tree-flow-inline.h (gimple_aliases_computed_p,
        gimple_addressable_vars, gimple_call_clobbered_vars,
        gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
        factoring_name_p, mark_call_clobbered, clear_call_clobbered,
        compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
        gimple_mem_ref_stats): Remove.
        (gimple_vop): New function.
        (op_iter_next_use): Remove vuses and mayuses cases.
        (op_iter_next_def): Remove vdefs case.
        (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
        (clear_and_done_ssa_iter): Do not set removed fields.
        (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
        Assert we are not iterating over vuses or vdefs if not also
        iterating over uses or defs.
        (op_iter_init_use): Likewise.
        (op_iter_init_def): Likewise.
        (op_iter_next_vdef): Remove.
        (op_iter_next_mustdef): Likewise.
        (op_iter_init_vdef): Likewise.
        (compare_ssa_operands_equal): Likewise.
        (link_use_stmts_after): Handle vuse operand.
        (is_call_used): Use is_call_clobbered.
        (is_call_clobbered): Global variables are always call clobbered,
        query the call-clobbers bitmap.
        (mark_call_clobbered): Ignore global variables.
        (clear_call_clobbered): Likewise.
        * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
        virtual operands sanity check.
        * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
        Remove.
        (TARGET_MEM_REF): Remove TMR_TAG operand.
        * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
        Remove call-clobber related code.
        (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
        (dump_variable): Do not dump SMTs, memory stats, may-aliases or
        partitions or escape reason.
        (get_single_def_stmt, get_single_def_stmt_from_phi,
        get_single_def_stmt_with_phi): Remove.
        (dump_referenced_vars): Tidy.
        (get_ref_base_and_extent): Allow bare decls.
        (collect_dfa_stats): Adjust.
        * graphite.c (rename_variables_in_stmt): Adjust.
        (graphite_copy_stmts_from_block): Likewise.
        (translate_clast): Likewise.
        * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
        (EXPR_DIES): New.
        (translate_vuse_through_block): Use the oracle.
        (phi_translate_1): Adjust.
        (value_dies_in_block_x): Use the oracle.  Cache the outcome
        in EXPR_DIES.
        (valid_in_sets): Check if the VUSE for
        a REFERENCE is available.
        (eliminate): Do not remove stmts during elimination,
        instead queue and remove them afterwards.
        (do_pre): Do not rebuild alias info.
        (pass_pre): Run TODO_rebuild_alias before PRE.
        * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
        * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
        (mark_all_v_defs_stmt): Remove.
        (mark_all_v_defs_seq): Adjust.
        (sra_replace): Likewise.
        (scalarize_use): Likewise.
        (scalarize_copy): Likewise.
        (scalarize_init): Likewise.
        (scalarize_ldst): Likewise.
        (todoflags): Remove.
        (tree_sra): Do not rebuild alias info.
        (tree_sra_early): Adjust.
        (pass_sra): Run TODO_update_address_taken before SRA.
        * tree-predcom.c (set_alias_info): Remove.
        (prepare_initializers_chain): Do not call it.
        (mark_virtual_ops_for_renaming): Adjust.
        (mark_virtual_ops_for_renaming_list): Remove.
        (initialize_root_vars): Adjust.
        (initialize_root_vars_lm): Likewise.
        (prepare_initializers_chain): Likewise.
        * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
        (may_propagate_copy_into_stmt): Likewise.
        (merge_alias_info): Do nothing for now.
        (propagate_tree_value_into_stmt): Adjust.
        (stmt_may_generate_copy): Likewise.
        * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
        not mark symbols for renaming.
        (forward_propagate_addr_expr): Match up push/pop_stmt_changes
        with the same statement, make sure to update the new pointed-to one.
        * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
        call statements, do not mark symbols for renaming.
        (mark_operand_necessary): Dump something.
        (ref_may_be_aliased): New function.
        (mark_aliased_reaching_defs_necessary_1): New helper function.
        (mark_aliased_reaching_defs_necessary): Likewise.
        (mark_all_reaching_defs_necessary_1): Likewise.
        (mark_all_reaching_defs_necessary): Likewise.
        (propagate_necessity): Do not process virtual PHIs.  For
        non-aliased loads mark all reaching definitions as necessary.
        For aliased loads and stores mark the immediate dominating
        aliased clobbers as necessary.
        (visited): New global static.
        (perform_tree_ssa_dce): Free visited bitmap after propagating
        necessity.
        (remove_dead_phis): Perform simple dead virtual PHI removal.
        (remove_dead_stmt): Properly unlink virtual operands when
        removing stores.
        (eliminate_unnecessary_stmts): Schedule PHI removal after
        stmt removal.
        * tree-ssa-ter.c (is_replaceable_p): Adjust.
        (process_replaceable): Likewise.
        (find_replaceable_in_bb): Likewise.
        * tree-ssa.c (verify_ssa_name): Verify all VOPs are
        based on the single gimple vop.
        (verify_flow_insensitive_alias_info): Remove.
        (verify_flow_sensitive_alias_info): Likewise.
        (verify_call_clobbering): Likewise.
        (verify_memory_partitions): Likewise.
        (verify_alias_info): Likewise.
        (verify_ssa): Adjust..
        (execute_update_addresses_taken): Export.  Update SSA
        manually.  Optimize only when optimizing.  Use a local bitmap.
        (pass_update_address_taken): Remove TODO_update_ssa, add
        TODO_dump_func.
        (pass_update_address_taken): Just use TODO_update_address_taken.
        (init_tree_ssa): Do not initialize addressable_vars.
        (verify_ssa): Verify new VUSE / VDEF properties.
        Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
        Do not call verify_alias_info.
        (delete_tree_ssa): Clear the VUSE, VDEF operands.
        Do not free the loaded and stored syms bitmaps.  Reset the escaped
        and callused solutions.  Do not free addressable_vars.
        Remove memory-tag related code.
        (warn_uninitialized_var): Aliases are always available.
        * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
        * lambda-code.c (can_put_in_inner_loop): Adjust.
        (can_put_after_inner_loop): Likewise.
        (perfect_nestify): Likewise.
        * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
        (vect_gen_widened_results_half): Remove CALL_EXPR handling.
        (vectorizable_conversion): Do not mark symbols for renaming.
        * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
        (expand_call_inline): Unlink the calls virtual operands before
        replacing it.
        (tree_function_versioning): Do not call update_ssa if we are not
        updating clones.  Simplify.
        * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
        (propagate_with_phi): Likewise..
        * tree-outof-ssa.c (create_temp): Remove memory tag and call
        clobber code.  Assert we are not aliased or global.
        * tree-flow.h: Include tree-ssa-alias.h
        (enum escape_type): Remove.
        (struct mem_sym_stats_d): Likewise.
        (struct mem_ref_stats_d): Likewise.
        (struct gimple_df): Add vop member.  Remove global_var,
        call_clobbered_vars, call_used_vars, addressable_vars,
        aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
        escaped and callused members.
        (struct ptr_info_def): Remove all members, add points-to solution
        member pt.
        (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
        call_clobbered, escape_mask, mpt and symbol_mem_tag members.
        * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
        (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
        (tree-ssa-alias.o): Likewise.
        (toplev.o): Add tree-ssa-alias.h
        (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
        * gimple.c (gimple_set_bb): Fix off-by-one error.
        (is_gimple_reg): Do not handle memory tags.
        (gimple_copy): Also copy virtual operands.
        Delay updating the statement.  Do not reset loaded and stored syms.
        (gimple_set_stored_syms): Remove.
        (gimple_set_loaded_syms): Likewise.
        (gimple_call_copy_skip_args): Copy the virtual operands
        and mark the new statement modified.
        * tree-ssa-structalias.c (may_alias_p): Remove.
        (set_uids_in_ptset): Take the alias set to prune with as
        parameter.  Fold in the alias test of may_alias_p.
        (compute_points_to_sets): Compute whether a ptr is dereferenced
        in a local sbitmap.
        (process_constraint): Deal with &ANYTHING on the lhs, reject all
        other ADDRESSOF constraints on the lhs.
        (get_constraint_for_component_ref): Assert that we don't get
        ADDRESSOF constraints from the base of the reference.
        Properly generate UNKNOWN_OFFSET for DEREF if needed.
        (struct variable_info): Remove collapsed_to member.
        (get_varinfo_fc): Remove.
        (new_var_info): Do not set collapsed_to.
        (dump_constraint): Do not follow cycles.
        (dump_constraint_graph): Likewise.
        (build_pred_graph): Likewise.
        (build_succ_graph): Likewise.
        (rewrite_constraints): Likewise.
        (do_simple_structure_copy): Remove.
        (do_rhs_deref_structure_copy): Remove.
        (do_lhs_deref_structure_copy): Remove.
        (collapse_rest_of_var): Remove.
        (do_structure_copy): Re-implement.
        (pta_stats): New global variable.
        (dump_pta_stats): New function.
        (struct constraint_expr): Make offset signed.
        (UNKNOWN_OFFSET): Define special value.
        (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
        (solution_set_expand): New helper function split out from ...
        (do_sd_constraint): ... here.
        (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
        (do_ds_constraint): Likewise.
        (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
        and CALLUSED = *CALLUSED.
        (set_union_with_increment): Make inc argument signed.
        (type_safe): Remove.
        (get_constraint_for_ptr_offset): Handle unknown and negative
        constant offsets.
        (first_vi_for_offset): Handle offsets before start.  Bail
        out early for offsets beyond the variable extent.
        (first_or_preceding_vi_for_offset): New function.
        (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
        Together with ESCAPED = *ESCAPED this properly computes reachability.
        (find_what_var_points_to): New function.
        (find_what_p_points_to): Implement in terms of find_what_var_points_to.
        (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
        pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
        pt_solutions_intersect): New functions.
        (compute_call_used_vars): Remove.
        (compute_may_aliases): New main entry into PTA computation.
        * gimple.h (gimple_p): New typedef.
        (struct gimple_statement_base): Remove references_memory_p.
        (struct gimple_statement_with_memory_ops_base): Remove
        vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
        members.
        (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
        gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
        gimple_set_references_memory): Remove.
        (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
        gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
        New functions.
        * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
        (verify_expr): Allow RESULT_DECL.
        (gimple_duplicate_bb): Do not copy virtual operands.
        (gimple_duplicate_sese_region): Adjust.
        (gimple_duplicate_sese_tail): Likewise.
        (mark_virtual_ops_in_region): Remove.
        (move_sese_region_to_fn): Do not call it.
        * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
        and pass_simple_dse.
        (execute_function_todo): Handle TODO_update_address_taken,
        call execute_update_addresses_taken for TODO_rebuild_alias.
        (execute_todo): Adjust.
        (execute_one_pass): Init dump files early.
        * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
        call-clobbered.
        (create_general_new_stmt): Clear vops.
        * tree-ssa-reassoc.c (get_rank): Adjust.
        * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
        symbols for renaming.
        * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
        (PARAM_AVG_ALIASED_VOPS): Likewise.
        * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
        (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
        * tree-ssa-operands.c: Simplify for new virtual operand representation.
        (operand_build_cmp, copy_virtual_operands,
        create_ssa_artificial_load_stmt, add_to_addressable_set,
        gimple_add_to_addresses_taken): Remove public functions.
        (unlink_stmt_vdef): New function.

2009-04-03  Alan Modra  <amodra@bigpond.net.au>

        * config.gcc (powerpc-*-linux*): Merge variants.

2009-04-02  Chao-ying Fu  <fu@mips.com>
            James Grosbach  <james.grosbach@microchip.com>

        * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
        num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
        cop0_sp_offset.
        (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
        keep_interrupts_masked_p, use_debug_exception_return_p.
        (mips_attribute_table): Add interrupt, use_shadow_register_set,
        keep_interrupts_masked, use_debug_exception_return.
        (mips_interrupt_type_p, mips_use_shadow_register_set_p,
        mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
        New functions.
        (mips_function_ok_for_sibcall): Return false for interrupt handlers.
        (mips_print_operand): Process COP0 registers to print $0 .. $31
        correctly for GAS to process.
        (mips_interrupt_extra_call_saved_reg_p): New function.
        (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
        extra registers.
        (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
        (mips_compute_frame_info): Add supports for interrupt context that
        includes doubleword accumulators and COP0 registers.
        (mips_for_each_saved_acc): New function.
        (mips_for_each_saved_gpr_and_fpr): Change the function name from
        mips_for_each_saved_reg.
        (mips_save_reg): Save accumulators.
        (mips_kernel_reg_p): A new for_each_rtx callback.
        (mips_expand_prologue): Support interrupt handlers.
        (mips_restore_reg): Restore accumulators.
        (mips_expand_epilogue): Support interrupt handlers.
        (mips_can_use_return_insn): Return false for interrupt handlers.
        (mips_epilogue_uses): New function.
        * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
        UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
        (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
        cop0_move): New instructions.
        * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
        * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
        defines.
        (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
        New defines.
        (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
        (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
        interrupt handlers, we use K0 as the temporary register.
        (EPILOGUE_USES): Change to a function call.
        * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
        handlers, we use K0 as the temporary register.

        * doc/extend.texi (Function Attributes): Document interrupt,
        use_shadow_register_set, keep_interrupts_masked,
        use_debug_exception_return for MIPS attributes.

2009-04-03  Alan Modra  <amodra@bigpond.net.au>

        * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
        Remove a number of t-files from tmake_file.
        * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
        * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
        * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
        target_prototype, not TARGET_PROTOTYPE.
        (LINK_OS_GNU_SPEC): Define.
        * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
        and darwin-ldoubdle.c.

2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR driver/39293
        * gcc.c (save_temps_flag): Add support for -save-temps=obj.
        (cpp_options): Ditto.
        (default_compilers): Ditto.
        (display_help): Ditto.
        (process_command): Ditto.
        (do_spec_1): Ditto.
        (set_input): Use lbasename instead of duplicate code.
        (save_temps_prefix): New static for -save-temps=obj.
        (save_temps_length): Ditto.

        * doc/invoke.texi (-save-temps=obj): Document new variant to
        -save-temps switch.

2009-04-02  Jeff Law  <law@redhat.com>

        * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
        variable.

2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>

        * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
        * configure: Regenerated.

2009-04-02  Rafael Avila de Espindola  <espindola@google.com>

        * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
        share the argument list.

2009-04-02  Rafael Avila de Espindola  <espindola@google.com>

        Merge

        2009-02-12  Diego Novillo  <dnovillo@google.com>

        * varpool.c (debug_varpool): New.
        * cgraph.h (debug_varpool): Declare.

2009-04-02  Jan Hubicka  <jh@suse.cz>

        * passes.c (init_optimization_passes): Remove two copies of ehcleanup
        pass.

2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_abi): Move initialization to ...
        (override_options): Here.

2009-04-02  Christian Bruel  <christian.bruel@st.com>

        * config/sh/sh.c (sh_dwarf_register_span): New function.
        (TARGET_DWARF_REGISTER_SPAN): Define.
        * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.

2009-04-02  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/39595
        * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
        interleaved loads group is not  greater than the SLP group size.

2009-04-02  Rafael Avila de Espindola  <espindola@google.com>

        * builtins.c (is_builtin_name): New.
        (called_as_built_in): Use is_builtin_name.
        * tree.h (is_builtin_name): New.
        * varasm.c (incorporeal_function_p): Use is_builtin_name

2009-04-02  Andrew Stubbs  <ams@codesourcery.com>

        * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.

2009-04-02  Dodji Seketeli  <dodji@redhat.com>

        PR c++/26693
        * c-decl.c (clone_underlying_type): Move this ...
        * c-common.c (set_underlying_type): ... here.
        Also, make sure the function properly sets TYPE_STUB_DECL() on
        the newly created typedef variant type.
        * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
        * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
        points.

2009-04-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37221
        * tree-flow.h (degenerate_phi_result): Declare.
        * tree-ssa-dom.c (degenerate_phi_result): Export.
        * tree-scalar-evolution.c (analyze_initial_condition): If
        the initial condition is defined by a degenerate PHI node
        use the degenerate value.

2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/39588
        * combine.c (merge_outer_ops): Do not set the constant when this
        is not necessary.
        (simplify_shift_const_1): Do not modify it either in this case.

2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>

        * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
        tuning is deprecated if -mtune value is set to an Itanium1 variant.

2009-04-01  Janis Johnson  <janis187@us.ibm.com>

        PR c/29027
        * c-lex.c (interpret_float): Default (no suffix) is double.

2009-04-1  Xinliang David Li  <davidxl@google.com>

        * config/i386/i386.c (legitimate_constant_p): Recognize
        all one vector constant.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config/vax/vax.c: Add #includes to silence warnings.
        Change #include order to silence two warnings.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
        (ASM_SPEC): Pass -k to the assembler for PIC code.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config.gcc: Add vax-*-linux* to the switch.
        * config/vax/linux.h: New file. (TARGET_VERSION,
        TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
        Use predicate macros instead of GET_CODE() == foo.
        * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
        ashlsi3, rotrsi3, <unnamed>): Likewise.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
        jbbccihi, jbbccisi): Remova trailing whitespace.
        * config/vax/constraints.md: Likewise.
        * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
        * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
        * config/vax/predicates.md: Likewise.
        * config/vax/vax.c (print_operand_address, vax_output_int_move,
        vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
        * config/vax/vax.h: Likewise.
        * config/vax/vax.md (nonlocal_goto): Likewise.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config/vax/vax.c (vax_float_literal, vax_output_int_move)
        (indirectable_address_p, adjacent_operands_p): Add spaces around
        braces.
        * config/vax/vax-protos.h (adjacent_operands_p): Likewise.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config/vax/vax.c (legitimate_constant_address_p,
        legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
        index_term_p, reg_plus_index_p, legitimate_address_p,
        vax_mode_dependent_address_p): Update comments to match functions
        modified by the recent int->bool conversion.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config/vax/builtins.md: Update copyright message.
        * config/vax/constraints.md: Likewise.
        * config/vax/netbsd-elf.h: Likewise.
        * config/vax/predicates.md: Likewise.
        * config/vax/vax-protos.h: Likewise.
        * config/vax/vax.c: Likewise.
        * config/vax/vax.h: Likewise.
        * config/vax/vax.md: Likewise.
        * config/vax/vax.opt: Likewise.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config/vax/builtins.md (ffssi2, ffssi2_internal,
        sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
        * config/vax/constraints.md (B, R): Likewise.
        * config/vax/predicates.md (external_memory_operand,
        nonimmediate_addsub_di_operand): Likewise.
        * config/vax/vax.c (vax_output_int_add): Likewise.
        * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
        untyped_call): Likewise.

2009-04-01  Matt Thomas  <matt@3am-software.com>

        * config/vax/predicates.md: New file.
        (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
        external_const_operand, nonsymbolic_operand, external_memory_operand,
        indirect_memory_operand, indexed_memory_operand,
        illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
        nonimmediate_addsub_di_operand, general_addsub_di_operand): New
        predicate.
        * config/vax/constraints.md: New file.
        (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
        New constraint.
        * config/vax/builtins.md: New file.
        (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
        jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
        jbbccisi): Define.
        * config/vax/vax.opt (mqmath): Add option.
        * config/vax/vax.md (isfx): Extend with DI.
        (VAXintQH, VAXintQHSD): Define.
        (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
        mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
        and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
        one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
        (movdi): Update constraints and use vax_output_int_move().
        (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
        movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
        pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
        nonlocal_goto): New.
        (mov<mode>): Extend accepted operand types.
        (subdi3_old): Rename from subdi3, change update constraints and use
        a new implementation.
        * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
        (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
        MOVE_RATIO, CLEAR_RATIO): Define.
        (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
        CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
        (PRINT_OPERAND): Redefine using a function instead of inlined code.
        * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
        (split_quadword_operands): Make static and really allow variable
        splitting.
        (print_operand_address): Update for PIC generation.
        (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
        indexable_address_p, fixup_mathdi_operand,
        vax_expand_addsub_di_operands, adjacent_operands_p): New.
        (vax_float_literal, legitimate_constant_p,
        indirectable_constant_address_p, index_term_p,
        reg_plus_index_p): Return bool instead of int.
        (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
        where needed.
        (vax_output_int_move, vax_output_int_add): Extend to allow PIC
        generation.
        (vax_output_conditional_branch): Indent.
        (legitimate_constant_address_p, indirectable_constant_address_p,
        indirectable_address_p, nonindexed_address_p, legitimate_address_p,
        vax_mode_dependent_address_p): Return bool instead of int, update for
        PIC generation.
        * config/vax/vax-protos.h (legitimate_constant_address_p,
        legitimate_constant_p, legitimate_address_p,
        vax_mode_dependent_address_p): Change declaration to bool.
        (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
        vax_expand_addsub_di_operands, vax_output_int_subtract,
        vax_output_movmemsi): Declare.
        (split_quadword_operands, vax_float_literal): Delete declaration.
        * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
        * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
        VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
        ASM_OUTPUT_DWARF_PCREL): Define.
        (ASM_SPEC): Change definition to allow PIC generation.

2009-04-01  Steve Ellcey  <sje@cup.hp.com>

        * doc/sourcebuild.texi: Update front-end requirements.

2009-04-01  Jakub Jelinek  <jakub@redhat.com>

        PR target/39226
        * config/rs6000/rs6000.md (andsi3_internal5_nomc,
        anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
        (booldi3_internal3): Use boolean_or_operator instead of
        boolean_operator.

2009-04-01  Joseph Myers  <joseph@codesourcery.com>

        PR c/39605
        * c-decl.c (grokdeclarator): Pedwarn for file-scope array
        declarator whose size is not an integer constant expression but
        folds to an integer constant, then treat it as a constant
        subsequently.

2009-04-01  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (fold_plusminus_mult_expr): Do not fold
        i * 4 + 2 to (i * 2 + 1) * 2.

2009-04-01  Jakub Jelinek  <jakub@redhat.com>

        PR c/37772
        * c-parser.c (c_parser_asm_statement): Skip until close paren and
        return if c_parser_asm_string_literal returned NULL.

2009-04-01  Nick Clifton  <nickc@redhat.com>

        * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
        already defined.
        * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
        * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
        other typedefs to avoid conflicts with libgcc2.c.  Define labels
        to gain 16-bit bit-manipulation functions from libgcc2.c and then
        include it.
        * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
        to gain 16-bit trapping arithmetic functions from libgcc2.c and
        then include it.

2009-04-01  Rafael Avila de Espindola  <espindola@google.com>

        * varasm.c (default_function_rodata_section): Declare DOT as
        const char*.

2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
            Andrey Galkin  <agalkin@hypercom.com>

        PR/39492
        * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
        Make object_name unique for each process.

2009-04-01  Jakub Jelinek  <jakub@redhat.com>

        PR other/39591
        * omp-low.c (remove_exit_barrier): Don't optimize if there are any
        addressable variables in the parallel that could go out of scope while
        running queued tasks.

2009-04-01  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
        (CASE_VALUES_THRESHOLD): Redefine.
        * config/avr/avr.c (avr_override_options): Remove initialization of
        avr_case_values_threshold variable.
        (avr_case_values_threshold): Remove variable. Add new function.
        * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
        * config/avr/avr.opt (mno-tablejump): Remove option.
        * doc/invoke.texi (AVR Options): Remove -mno-tablejump.

2009-04-01  DJ Delorie  <dj@redhat.com>

        * varasm.c (default_function_rodata_section): Don't assume
        anything about where the first '.' in the section name is.

2009-04-01  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
        rs6000_emit_stack_tie.

2009-03-31  Ian Lance Taylor  <iant@google.com>

        * tree-eh.c (tree_remove_unreachable_handlers): Compare
        gimple_code with GIMPLE_RESX, not RESX.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (c_get_ident): New.
        (c_common_nodes_and_builtins): Call it for type names that may be NULL.

2009-04-01  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/sysv4.opt (msdata): Improve option description.

2009-03-31  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (divsf3_internal_lat): Remove.
        (divdf3_internal_lat): Remove.
        (divxf3_internal_lat): Remove.
        (divxf3_internal_thr): Remove.
        (divxf): Use divxf3_internal.
        * config/ia64/div.md (divsf3_internal_lat): New.
        (divdf3_internal_lat): New.
        (divxf3_internal): New.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

        PR c/448
        * Makefile.in (USE_GCC_STDINT): Define.
        (stmp-int-hdrs): Install stdint.h if applicable.
        * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
        if known.
        (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
        (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
        UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
        INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
        INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
        UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
        INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
        UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
        UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
        (c_common_nodes_and_builtins): Initialize
        underlying_wchar_type_node.  Do not initialize
        signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
        nodes for new types.
        (c_stddef_cpp_builtins): Define macros for new types.
        * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
        Remove.
        (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
        CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
        CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
        CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
        CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
        CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
        CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
        CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
        CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
        (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
        (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
        int16_type_node, int32_type_node, int64_type_node,
        uint8_type_node, uint16_type_node, c_uint32_type_node,
        c_uint64_type_node, int_least8_type_node, int_least16_type_node,
        int_least32_type_node, int_least64_type_node,
        uint_least8_type_node, uint_least16_type_node,
        uint_least32_type_node, uint_least64_type_node,
        int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
        int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
        uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
        uintptr_type_node): Define.
        * c-cppbuiltin.c (builtin_define_constants,
        builtin_define_type_minmax): New.
        (builtin_define_stdint_macros): Define more macros.
        (c_cpp_builtins): Define more limit macros.
        (type_suffix): New.
        (builtin_define_type_max): Define in terms of
        builtin_define_type_minmax.  Remove is_long parameter.  All
        callers changed.
        * config.gcc (use_gcc_stdint): Define.
        (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
        Add newlib-stdint.h for generic targets.
        * config/glibc-stdint.h, config/newlib-stdint.h,
        ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
        * config/m32c/m32c.h (UINTPTR_TYPE): Define.
        * config/score/score.h (UINTPTR_TYPE): Define.
        * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
        INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
        UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
        INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
        UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
        INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
        UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
        UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
        * config/spu/spu.h (STDINT_LONG32): Define.
        * configure.ac (use_gcc_stdint): Substitute.
        * configure: Regenerate.
        * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
        __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
        __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
        __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
        __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
        __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
        __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
        __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
        __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
        __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
        __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
        __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
        __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
        __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
        __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
        __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
        __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
        __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
        __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
        __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
        __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
        * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
        INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
        INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
        INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
        UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
        INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
        UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
        UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.

2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>

        * loop-iv.c (suitable_set_for_replacement): Renamed from
        simplify_using_assignment; changed to return bool and to accept new
        args DEST and SRC.  Return true iff we find a source/destination pair
        that can be used to make a replacement, and fill SRC and DEST if so.
        Remove arg ALTERED.  Don't deal with altered regs here.  All callers
        changed.
        (simplify_using_initial_values): Deal with altered regs here and track
        more precisely the effect they have on the validity of our expression.

        * loop-iv.c (simplify_using_condition): A condition of the form
        (EQ REG CONST) can be used to simply make a substitution.
        (simplify_using_initial_values): Keep track of conditions we have seen
        and keep using them to simplify new expressions, while applying the
        same substitutions to them as to the expression.

        * simplify-rtx.c (simplify_relational_operation_1): Simplify
        (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
        GEU/LTU reversed.

        * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
        changed.  Use this when trying to improve the upper bound.
        Generate the comparison by using simplify_gen_relational.

        * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.

        * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
        functions.
        (simplify_using_assignment, simplify_using_initial_values): Call
        replace_in_expr to make replacements.  Call replace_single_def_regs
        once on the initial version of the expression.

2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/27237
        * doc/invoke.texi (ARM Options): Update documentation for -mthumb.

2009-03-31  Richard Guenther  <rguenther@suse.de>

        PR middle-end/31029
        * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
        equality comparisons.  Fold C - X CMP X if C % 2 == 1.

2009-03-31  Richard Guenther  <rguenther@suse.de>

        * tree.h (div_if_zero_remainder): Declare.
        * fold-const.c (div_if_zero_remainder): Export.
        * tree-ssa-forwprop.c
        (forward_propagate_addr_into_variable_array_index): Handle
        constant array index addition outside of the variable index.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

        PR target/39592
        * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
        define_splits, floatunssi<mode>2): Require x87 conversions from
        DImode to be permitted.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

        PR preprocessor/15638
        * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.

2009-03-31  Richard Guenther  <rguenther@suse.de>

        PR middle-end/23401
        PR middle-end/27810
        * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
        (struct tree_decl_with_vis): Remove gimple_formal_temp member.
        * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
        a separate statement.
        * gimplify.c (pop_gimplify_context): Remove formal temp handling.
        (lookup_tmp_var): Likewise.
        (is_gimple_formal_tmp_or_call_rhs): Remove.
        (is_gimple_reg_or_call_rhs): Rename to ...
        (is_gimple_reg_rhs_or_call): ... this.
        (is_gimple_mem_or_call_rhs): Rename to ...
        (is_gimple_mem_rhs_or_call): ... this.
        (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
        DECL_GIMPLE_REG_P only if is_formal is true.
        (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
        for non-proper post-modify expression gimplification.
        (gimplify_self_mod_expr): For post-modify expressions gimplify
        the lvalue to a minimal lvalue.
        (rhs_predicate_for): Remove formal temp case.
        (gimplify_modify_expr_rhs): Likewise.
        (gimplify_addr_expr): Use is_gimple_reg.
        (gimplify_expr): Remove formal temp cases.
        (gimple_regimplify_operands): Likewise.
        * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
        and FILTER_EXPR like constants.
        * gimple.c (walk_gimple_op): Fix val_only initialization, use
        is_gimple_reg.
        (is_gimple_formal_tmp_rhs): Remove.
        (is_gimple_reg_rhs): Remove special casing.
        (is_gimple_mem_rhs): Fix.
        (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
        (is_gimple_formal_tmp_var): Remove.
        (is_gimple_formal_tmp_reg): Likewise.
        (is_gimple_min_lval): Allow invariant component ref parts.
        * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
        is_gimple_formal_tmp_reg): Remove declarations.
        * tree-cfg.c (verify_expr): Verify that variables with address
        taken do not have DECL_GIMPLE_REG_P set.
        * tree-mudflap.c (mf_build_check_statement_for): Use
        force_gimple_operand instead of gimplify_expr.

2009-03-31  Ayal Zaks  <zaks@il.ibm.com>

        * modulo-sched.c (sms_schedule_by_order): Pass the actual
        schedulable rows to compute_split_row.

2009-03-31  Ben Elliston  <bje@au.ibm.com>

        PR target/31635
        * config/rs6000/rs6000.c (rs6000_handle_option): Handle
        OPT_mvrsave.

2009-03-31  Alan Modra  <amodra@bigpond.net.au>

        * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
        * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/rs6000/rs6000.opt (mtls-markers): Add.
        * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
        * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
        (tls_ld_aix, tls_ld_sysv): Likewise.
        (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
        (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.

2009-03-31  Alan Modra  <amodra@bigpond.net.au>

        * config/spu/spu.c (spu_expand_prologue): Delete redundant code.

2009-03-30  Jan Hubicka  <jh@suse.cz>

        * tree-eh.c (make_eh_edges): Set probability 100% to first edge
        out of RESX.
        (tree_remove_unreachable_handlers): Cleanup EH predecestor
        detection and label handling.

2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-int.h (ira_allocno): Rename left_conflicts_num to
        left_conflicts_size.
        (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
        ALLOCNO_LEFT_CONFLICTS_SIZE.

        * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
        remove_allocno_from_bucket_and_push,
        allocno_spill_priority_compare, push_allocnos_to_stack,
        setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
        instead of ALLOCNO_LEFT_CONFLICTS_NUM.
        (setup_allocno_left_conflicts_num): Ditto.  Rename to
        setup_allocno_left_conflicts_size.
        (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
        instead of ALLOCNO_LEFT_CONFLICTS_NUM and
        setup_allocno_left_conflicts_size instead of
        setup_allocno_left_conflicts_num.

        * ira-build.c (ira_create_allocno): Use
        ALLOCNO_LEFT_CONFLICTS_SIZE instead of
        ALLOCNO_LEFT_CONFLICTS_NUM.

2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>

        * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
        instead of DF_LR_OUT.

        * ira-lives.c (process_bb_node_lives): Ditto.

        * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
        instead of DF_LR_{OUT,IN}.

        * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.

        * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.

2009-03-30  Jan Hubicka  <jh@suse.cz>

        * except.c (label_to_region_map): Fix thinko.

2009-03-30  Steve Ellcey  <sje@cup.hp.com>

        PR middle-end/38237
        * tree.h (tree_find_value): New declaration.
        * tree.c (tree_find_value): New function.
        * varasm.c (assemble_external): Avoid duplicate entries on lists.

2009-03-30  Jakub Jelinek  <jakub@redhat.com>

        PR debug/39563
        * c-decl.c (struct c_binding): Add locus field.
        (bind): Add locus argument, set locus field from it.
        (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
        add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
        (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
        implicitly_declare, undeclared_variable, lookup_label,
        declare_label, c_make_fname_decl, c_builtin_function,
        c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
        bind callers.

2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/38781
        * config/i386/i386.c (classify_argument): Check total size of
        structure.

2009-03-30  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
        IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
        IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
        respectively.

        * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
        seen_variable_array_ref while also traversing a union.

        * tree-inline.c (optimize_inline_calls): Do not call
        cgraph_node_remove_callees.
        * cgraphbuild.c (remove_cgraph_callee_edges): New function.
        (pass_remove_cgraph_callee_edges): New variable.
        * passes.c (init_optimization_passes): Add
        pass_remove_cgraph_callee_edges after early inlining and before all
        late intraprocedural passes.

        * omp-low.c (expand_omp_taskreg): Always set current_function_decl.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

        * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
        Fix typos in names.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (simplify_comparison): Use have_insn_for.
        * dojump.c (do_jump): Likewise.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

        * config/sparc/sparc.c (sparc_compare_emitted): Remove.
        (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
        sparc_compare_op0 like sparc_compare_emitted used to be handled.
        (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
        instead of sparc_compare_emitted.
        * config/sparc/sparc.h (sparc_compare_emitted): Remove.
        * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
        instead of sparc_compare_emitted.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

        * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
        enter/exit cfglayout mode.
        (pass_partition_block): Require it.
        * combine.c (find_single_use, reg_dead_at_p): Use CFG.
        (combine_instructions): Track basic blocks instead of labels.
        (update_cfg_for_uncondjump): New.
        (try_combine): Use it.  Update jumps after rescanning.
        (pass_combine): Require PROP_cfglayout.
        * passes.c (pass_outof_cfg_layout_mode): Move after regmove.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

        * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
        Provide/destroy PROP_cfglayout respectively.
        * gcse.c (pass_jump_bypass, pass_gcse): Require it.
        * tree-pass.h (PROP_cfglayout): New.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

        * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
        fold_convert_const_fixed_from_fixed,
        fold_convert_const_fixed_from_int,
        fold_convert_const_fixed_from_real, fold_negate_const): Do not
        set TREE_CONSTANT_OVERFLOW.
        * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
        * tree.h (TREE_CONSTANT_OVERFLOW): Delete.

2009-03-30  Ira Rosen  <irar@il.ibm.com>

        * tree-vect-loop-manip.c: New file.
        * tree-vectorizer.c: Update documentation and included files.
        (vect_loop_location): Make extern.
        (rename_use_op): Move to tree-vect-loop-manip.c
        (rename_variables_in_bb, rename_variables_in_loop,
        slpeel_update_phis_for_duplicate_loop,
        slpeel_update_phi_nodes_for_guard1,
        slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
        slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
        slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
        set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
        find_loop_location): Likewise.
        (new_stmt_vec_info): Move to tree-vect-stmts.c.
        (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
        get_vectype_for_scalar_type, vect_is_simple_use,
        supportable_widening_operation, supportable_narrowing_operation):
        Likewise.
        (bb_in_loop_p): Move to tree-vect-loop.c.
        (new_loop_vec_info, destroy_loop_vec_info,
        reduction_code_for_scalar_code, report_vect_op,
        vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
        (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
        (vect_supportable_dr_alignment): Likewise.
        * tree-vectorizer.h (tree-data-ref.h): Include.
        (vect_loop_location): Declare.
        Reorganize function declarations according to the new file structure.
        * tree-vect-loop.c: New file.
        * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
        tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
        * tree-vect-data-refs.c: New file.
        * tree-vect-patterns.c (timevar.h): Don't include.
        * tree-vect-stmts.c: New file.
        * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
        tree-vect-slp.c, tree-vect-loop.c.
        * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
        tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
        tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
        (tree-vect-analyze.o): Remove.
        (tree-vect-transform.o): Likewise.
        (tree-vect-data-refs.o): Add rule.
        (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
        tree-vect-slp.o): Likewise.
        (tree-vect-patterns.o): Remove redundant dependencies.
        (tree-vectorizer.o): Likewise.
        * tree-vect-slp.c: New file.

2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * optc-gen.awk: Warn if an option flag has multiple different
        help strings.

2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
        -floop-block): Document dependences on PPL, CLooG and Graphite.

2009-03-30  Joseph Myers  <joseph@codesourcery.com>

        PR rtl-optimization/323
        * c-common.c (c_fully_fold, convert_and_check,
        c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
        (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
        * c-common.def (EXCESS_PRECISION_EXPR): New.
        * c-cppbuiltin.c (builtin_define_float_constants): Define
        constants with enough digits for long double.
        * c-lex.c (interpret_float): Interpret constant with excess
        precision where appropriate.
        * c-opts.c (c_common_post_options): Set
        flag_excess_precision_cmdline.  Give an error for
        -fexcess-precision=standard for C++ for processors where the
        option is significant.
        * c-parser.c (c_parser_conditional_expression): Handle excess
        precision in condition.
        * c-typeck.c (convert_arguments): Handle arguments with excess
        precision.
        (build_unary_op): Move excess precision outside operation.
        (build_conditional_expr): Likewise.
        (build_compound_expr): Likewise.
        (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
        (build_modify_expr): Handle excess precision in RHS.
        (convert_for_assignment): Handle excess precision in converted
        value.
        (digest_init, output_init_element, process_init_element): Handle
        excess precision in initializer.
        (c_finish_return): Handle excess precision in return value.
        (build_binary_op): Handle excess precision in operands and add
        excess precision as needed for operation.
        * common.opt (-fexcess-precision=): New option.
        * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
        * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
        For standard excess precision, output explicit conversion to and
        truncation from XFmode.
        (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
        *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
        *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
        define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
        define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
        floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
        divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
        *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
        *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
        define_splits, sqrt<mode>2): Disable where appropriate for
        standard excess precision.
        * convert.c (convert_to_real): Do not shorten arithmetic to type
        for which excess precision would be used.
        * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
        * doc/invoke.texi (-fexcess-precision=): Document option.
        (-mfpmath=): Correct index entry.
        * flags.h (enum excess_precision, flag_excess_precision_cmdline,
        flag_excess_precision): New.
        * langhooks.c (lhd_post_options): Set
        flag_excess_precision_cmdline.
        * opts.c (common_handle_option): Handle -fexcess-precision=.
        * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
        init_excess_precision): New.
        (lang_dependent_init_target): Call init_excess_precision.
        * tree.c (excess_precision_type): New.
        * tree.h (excess_precision_type): Declare.

2009-03-30  Joseph Myers  <joseph@codesourcery.com>

        PR c/35235
        * c-typeck.c (build_component_ref): Do not copy qualifiers from
        non-lvalue to component.

2009-03-29  Joseph Myers  <joseph@codesourcery.com>

        PR preprocessor/34695
        * Makefile.in (c-opts.o): Depend on c-tree.h.
        * c-common.c: Move down include of diagnostic.h.
        (done_lexing, c_cpp_error): New.
        * c-common.h (done_lexing): Declare.
        * c-decl.c (c_write_global_declarations): Don't check cpp_errors
        (parse_in).
        * c-opts.c: Include c-tree.h.
        (c_common_init_options): Set preprocessor error callback.
        (c_common_handle_option): Do not set preprocessor
        inhibit_warnings, warnings_are_errors, warn_system_headers,
        pedantic_errors or inhibit_warnings flags.
        (c_common_post_options): Do not check cpp_errors (parse_in).
        (c_common_finish): Do not output dependencies if there were
        errors.  Do not check return value of cpp_finish.
        * c-ppoutput.c (pp_file_change): Set input_location.
        * c-tree.h (c_cpp_error): Declare.
        * diagnostic.c (diagnostic_set_info_translated): Also initialize
        override_column.
        (diagnostic_build_prefix): Check override_column.
        * diagnostic.h (diagnostic_info): Add override_column field.
        (diagnostic_override_column): Define.

2009-03-28  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (c_expand_expr, c_staticp): Remove.
        * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
        * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
        COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
        * c-gimplify.c (gimplify_compound_literal_expr,
        optimize_compound_literals_in_ctor): Remove.
        (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
        * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
        * c-semantics.c (emit_local_var): Remove.

        * langhooks-def.h (lhd_expand_expr): Remove.
        * langhooks.c (lhd_expand_expr): Remove.
        * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.

        * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
        handling from c-semantics.c; don't call into langhook.
        (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
        * gimplify.c (gimplify_compound_literal_expr,
        optimize_compound_literals_in_ctor): Move from c-gimplify.c.
        (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
        (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
        as was done in c-gimplify.c.
        * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
        * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
        Move from c-common.h.
        * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.

        * tree.c (staticp): Do not call langhook.
        * langhooks.c (lhd_staticp): Delete.
        * langhooks-def.h (lhd_staticp): Delete prototype.
        (LANG_HOOKS_STATICP): Delete.
        (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.

        * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
        instead of DECL_STMTs.

2009-03-29  Joseph Myers  <joseph@codesourcery.com>

        PR c/456
        PR c/5675
        PR c/19976
        PR c/29116
        PR c/31871
        PR c/35198
        * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
        void_type_node.
        (fold_call_expr): Return a NOP_EXPR from folding rather than the
        contained expression.
        * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
        (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
        conditional expressions for C.
        (decl_constant_value_for_optimization): Move from
        decl_constant_value_for_broken_optimization in c-typeck.c.  Check
        whether optimizing and that the expression is a VAR_DECL not of
        array type instead of doing such checks in the caller.  Do not
        check pedantic.  Call gcc_unreachable for C++.
        * c-common.def (C_MAYBE_CONST_EXPR): New.
        * c-common.h (c_fully_fold, c_save_expr,
        decl_constant_value_for_optimization): New prototypes.
        (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
        C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
        EXPR_INT_CONST_OPERANDS): Define.
        * c-convert.c (convert): Strip nops from expression.
        * c-decl.c (groktypename): Take extra parameters expr and
        expr_const_operands.  Update call to grokdeclarator.
        (start_decl): Update call to grokdeclarator.  Add statement for
        expressions used in type of decl.
        (grokparm): Update call to grokdeclarator.
        (push_parm_decl): Update call to grokdeclarator.
        (build_compound_literal): Add parameter non_const and build a
        C_MAYBE_COSNT_EXPR if applicable.
        (grokdeclarator): Take extra parameters expr and
        expr_const_operands.  Track expressions used in declaration
        specifiers and declarators.  Fold array sizes and track whether
        they are constant expressions and whether they are integer
        constant expressions.
        (parser_xref_tag): Set expr and expr_const_operands fields in
        return value.
        (grokfield): Update call to grokdeclarator.
        (start_function): Update call to grokdeclarator.
        (build_null_declspecs): Set expr and expr_const_operands fields in
        return value.
        (declspecs_add_type): Handle expressions in typeof specifiers.
        * c-parser.c (c_parser_declspecs): Set expr and
        expr_const_operands fields for declaration specifiers.
        (c_parser_enum_specifier): Likewise.
        (c_parser_struct_or_union_specifier): Likewise.
        (c_parser_typeof_specifier): Likewise.  Update call to
        groktypename.  Fold expression as needed.  Return expressions with
        type instead of adding statements.
        (c_parser_attributes): Update calls to c_parser_expr_list.
        (c_parser_statement_after_labels): Fold expression before passing
        to objc_build_throw_stmt.
        (c_parser_condition): Fold expression.
        (c_parser_asm_operands): Fold expression.
        (c_parser_conditional_expression): Use c_save_expr.  Update call
        to build_conditional_expr.
        (c_parser_alignof_expression): Update call to groktypename.
        (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
        original_code.  Fold expression argument of va_arg.  Create
        C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
        argument to va_arg.  Update calls to groktypename.  Fold array
        index for offsetof.  Verify that first argument to
        __builtin_choose_expr has integer type.
        (c_parser_postfix_expression_after_paren_type): Update calls to
        groktypename and build_compound_literal.  Handle expressions with
        side effects in type name.
        (c_parser_postfix_expression_after_primary): Update call to
        c_parser_expr_list.  Set original_code for calls to
        __builtin_constant_p.
        (c_parser_expr_list): Take extra parameter fold_p.  Fold
        expressions if requested.
        (c_parser_objc_type_name): Update call to groktypename.
        (c_parser_objc_synchronized_statement): Fold expression.
        (c_parser_objc_receiver): Fold expression.
        (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
        (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
        c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
        * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
        (struct c_typespec): Add elements expr and expr_const_operands.
        (struct c_declspecs): Add elements expr and expr_const_operands.
        (groktypename, build_conditional_expr, build_compound_literal):
        Update prototypes.
        (in_late_binary_op): Declare.
        * c-typeck.c (note_integer_operands): New function.
        (in_late_binary_op): New variable.
        (decl_constant_value_for_broken_optimization): Move to c-common.c
        and rename to decl_constant_value_for_optimization.
        (default_function_array_conversion): Do not strip nops.
        (default_conversion): Do not call
        decl_constant_value_for_broken_optimization.
        (build_array_ref): Do not fold result.
        (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
        result when operand is a VLA.
        (c_expr_sizeof_type): Update call to groktypename.  Handle
        expressions included in type name.  Use C_MAYBE_CONST_EXPR for
        result when operand names a VLA type.
        (build_function_call): Update call to build_compound_literal.
        Only fold result for calls to __builtin_* functions.  Strip
        NOP_EXPR from INTEGER_CST returned from such functions.  Fold
        the function designator.
        (convert_arguments): Fold arguments.  Update call to
        convert_for_assignment.
        (build_unary_op): Handle increment and decrement of
        C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
        decrement earlier.  Fold operand of increment and decrement.
        Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
        built for integer operand.  Wrap returns that are INTEGER_CSTs
        without being integer constant expressions or that have integer
        constant operands without being INTEGER_CSTs.
        (lvalue_p): Handle C_MAYBE_CONST_EXPR.
        (build_conditional_expr): Add operand ifexp_bcp.  Track whether
        result is an integer constant expression or can be used in
        unevaluated parts of one and avoid folding and wrap as
        appropriate.  Fold operands before possibly doing -Wsign-compare
        warnings.
        (build_compound_expr): Wrap result for C99 if operands can be used
        in integer constant expressions.
        (build_c_cast): Update call to digest_init.  Do not ignore
        overflow from casting floating-point constants to integers.  Wrap
        results that could be confused with integer constant expressions,
        null pointer constants or floating-point constants.
        (c_cast_expr): Update call to groktypename.  Handle expressions
        included in type name.
        (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
        lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
        Update calls to convert_for_assignment.
        (convert_for_assignment): Take new parameter
        null_pointer_constant.  Do not strip nops or call
        decl_constant_value_for_broken_optimization.  Set
        in_late_binary_op for conversions to boolean.
        (store_init_value): Update call to digest_init.
        (digest_init): Take new parameter null_pointer_constant.  Do not
        call decl_constant_value_for_broken_optimization.  pedwarn for
        initializers not constant expressions.  Update calls to
        convert_for_assignment.
        (constructor_nonconst): New.
        (struct constructor_stack): Add nonconst element.
        (really_start_incremental_init, push_init_level, pop_init_level):
        Handle constructor_nonconst and nonconst element.
        (set_init_index): Call constant_expression_warning for array
        designators.
        (output_init_element): Fold value.  Set constructor_nonconst as
        applicable.  pedwarn for initializers not constant expressions.
        Update call to digest_init.  Call constant_expression_warning
        where constant initializers are required.
        (process_init_element): Use c_save_expr.
        (c_finish_goto_ptr): Fold expression.
        (c_finish_return): Fold return value.  Update call to
        convert_for_assignment.
        (c_start_case): Fold switch expression.
        (c_process_expr_stmt): Fold expression.
        (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
        ensure statement expression is not evaluated in constant expression.
        (build_binary_op): Track whether results are integer constant
        expressions or may occur in such, disable folding and wrap results
        as applicable.  Fold operands for -Wsign-compare warnings unless
        in_late_binary_op.
        (c_objc_common_truthvalue_conversion): Handle results folded to
        integer constants that are not integer constant expressions.
        * doc/extend.texi: Document when typeof operands are evaluated,
        that condition of __builtin_choose_expr is an integer constant
        expression, and more about use of __builtin_constant_p in
        initializers.

2009-03-29  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
        propagate addresses of array references.

2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>

        * regmove.c (perhaps_ends_bb_p): Remove.
        (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
        from INSN and check that the main loop stays within that basic block.
        (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
        (regmove_forward_pass): Split out from regmove_optimize.  Use
        FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
        (regmove_backward_pass): Split out from regmove_optimize.  Use
        FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
        (regmove_optimize): Simplify.

2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39545
        * config/i386/i386.c (classify_argument): Ignore flexible array
        member in struct and warn ABI change.

2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-protos.h (ix86_agi_dependent): New.

        * config/i386/i386.c (ix86_agi_dependent): Rewrite.
        (ix86_adjust_cost): Updated.

2009-03-29  Jan Hubicka  <jh@suse.cz>

        PR middle-end/28850
        * tree-pass.h (pass_cleanup_eh): New function.
        (remove_unreachable_regions): Break code handling RTL
        to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
        that can not be reached by runtime.
        (can_be_reached_by_runtime): New function.
        (label_to_region_map): New function.
        (num_eh_regions): New function.
        (rtl_remove_unreachable_regions): New function.
        (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
        (remove_eh_region): New function.
        * except.h: Include sbitmap and vecprim.
        (remove_eh_region, remove_unreachable_regions, label_to_region_map,
        num_eh_regions): Declare.
        * passes.c (init_optimization_passes): Schedule cleanup_eh.
        * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
        * tree-eh.c (tree_remove_unreachable_handlers): New function.
        (tree_empty_eh_handler_p): New function.
        (cleanup_empty_eh): New function.
        (cleanup_eh): New function.
        (pass_cleanup_eh): New function.

2009-03-29  Jan Hubicka  <jh@suse.cz>

        * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
        for removed regions.

2009-03-29  Jan Hubicka  <jh@suse.cz>

        * except.c (dump_eh_tree): Dump all datastructures.

2009-03-29  Jan Hubicka  <jh@suse.cz>

        * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
        (duplicate_eh_regions_1): Likewise.
        (duplicate_eh_regions): Likewise; cleanup code gorwing the region
        vector; call EH verification.
        (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
        Be ready for region being removed.

2009-03-29  Jan Hubicka  <jh@suse.cz>

        * bitmap.c (bitmap_last_set_bit): New function.
        * bitmap.h (bitmap_last_set_bit): Declare.

2009-03-29  David Ayers  <ayers@fsfe.org>

        PR objc/27377
        * c-typeck.c (build_conditional_expr): Emit ObjC warnings
        by calling objc_compare_types and surpress warnings about
        incompatible C pointers that are compatible ObjC pointers.

2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>

        * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
        call initialize_inline_failed.
        (initialize_inline_failed): Move it from here ...
        * cgraph.c (initialize_inline_failed): ... to here.
        (cgraph_create_edge): Call initialize_inline_failed rather than
        setting inline_failed directly.

2009-03-29  Ben Elliston  <bje@au.ibm.com>

        PR target/32542
        * sysv4.opt (msdata): Improve comment.
        * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
        * sysv4.h (SVR4_ASM_SPEC): Likewise.

2009-03-29  Ben Elliston  <bje@au.ibm.com>

        PR target/30451
        * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
        load and store attributes.

2009-03-29  Ben Elliston  <bje@au.ibm.com>

        * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
        (ix86_init_builtins): Add built-in function __builtin_huge_valq.
        (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
        * doc/extend.texi (X86 Built-in Functions): Add index entries for
        __builtin_infq and __builtin_huge_valq.

2009-03-28  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
        atmega8m1 devices.
        * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
        * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)

2009-03-28  Xinliang David Li  <davidxl@google.com>

        * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
        (do_dbg_cnt): New function.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        Merge from pretty-ipa:

        2009-03-27  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (dump_cgraph_node): Add replace output flag by process.
        * tree-pass.h (function_called_by_processed_nodes_p): Declare.
        * passes.c (function_called_by_processed_nodes_p): New.
        * ipa-pure-const.c (check_call): Fix handling of operands.
        (analyze_function): Dump debug output for skipped bodies.
        (local_pure_const): Use function_called_by_processed_nodes_p.
        * dwarf2out.c (reference_to_unused): Use output.
        * passes.c (do_per_function_toporder): Likewise.

        2008-11-12  Jan Hubicka  <jh@suse.cz>

        * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
        * ipa-pure-const.c (funct_state_d): Add can throw field; make
        state_set_in_source enum
        (check_decl): Ignore memory tags; do not set fake looping flags;
        dump diagnostics.
        (check_operand, check_tree, check_rhs_var, check_lhs_var,
        get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
        (check_call, analyze_function): Rewrite.
        (check_stmt): New.
        (add_new_function): Update call of analyze_function.
        (generate_summary): Add call of analyze_function.
        (propagate): Propagate can_throw; handle state_set_in_source correctly.
        (local_pure_const): New function.
        (pass_local_pure_const): New pass.
        * ipa-inline.c (inline_transform): Set after_inlining.
        * tree-eh.c (stmt_can_throw_external): New.
        * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
        work with aliasing built.
        * tree-flow.h (stmt_can_throw_external): New.
        * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
        and local pure/const pass in early and late optimization queue.

2009-03-28  Martin Jambor  <mjambor@suse.cz>

        * fold-const.c (get_pointer_modulus_and_residue): New parameter
        allow_func_align.
        (fold_binary): Allow function decl aligment consideration is the
        second argument is integer constant one.
        * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
        (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
        with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
        * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
        * function.h (rtl_data): Add nothrow flag.
        * except.c (set_nothrow_function_flags): Use crtl->nothrow;
        set DECL_NOTHROW for AVAILABLE functions.

2009-03-28  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
        following vector keyword has expansion starting with pixel or bool
        keyword, expand vector to __vector and pixel or bool to __pixel or
        __bool.

        PR c++/39554
        * opts.c (warning_disallowed_functions, warn_disallowed_functions,
        warn_if_disallowed_function_p): Removed.
        (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
        * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
        warning_if_disallowed_function_p.
        * flags.h (warn_if_disallowed_function_p,
        warn_disallowed_functions): Removed.
        * common.opt (Wdisallowed-function-list=): Removed.
        * doc/invoke.texi (-Wdisallowed-function-list=): Removed.

2009-03-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38723
        * tree-ssa-pre.c (compute_avail): Add all default definitions to
        the entry block.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
        test introduced by my previous patch.

2009-03-28  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
        the PHIs value undefined.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        * tree-pass.h (pass_fixup_cfg): New pass.
        * ipa-inline.c (inline_transform): Set
        always_inline_functions_inlined/after_inlining.
        * tree-optimize.c (execute_fixup_cfg): Do not set them here.
        (pass_fixup_cfg): New pass.
        * passes.c (init_optimization_passes): Add fixup_cfg.

2009-03-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38458
        * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
        argument use the arguments copy-of value.

2009-03-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38180
        * tree-ssa-ccp.c (get_default_value): Simplify.
        (likely_value): Likewise.
        (surely_varying_stmt_p): Properly handle VOP case.
        (ccp_initialize): Likewise.
        (ccp_fold): Handle propagating through *&.
        (fold_const_aggregate_ref): Also handle decls.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (dump_cgraph_node): Add replace output flag by process.
        * cgraph.h (cgraph_node): Likewise.
        * cgraphunit.c (cgraph_process_new_functions): Set process flag.
        (cgraph_reset_node): Use process flag.
        (cgraph_mark_functions_to_output): Likewise.
        (cgraph_expand_function): Likewise.
        (cgraph_expand_all_functions): Likewise.
        (cgraph_output_in_order): Likewise.
        * dwarf2out.c (reference_to_unused): Likewise.
        * passes.c do_per_function_toporder): Likewise.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        Bring from lto-branch:

        2008-09-03  Doug Kwan  <dougkwan@google.com>

        * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
        enums instead of reason strings.
        * cgraph.c (cgraph_create_edge): Same.
        (cgraph_inline_failed_string): New function.
        * cgraph.h (cgraph_inline_failed_t): New enum type.
        (cgraph_inline_failed_string): New prototype.
        (struct cgraph_edge): Change type of INLINED_FAILED from constant
        char pointer to cgraph_inline_failed_t.
        (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
        (cgraph_default_inline_p): Ditto.
        * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
        to cgraph_inline_failed_t pointer.
        * cif-code.def: New file.
        * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
        reason string.
        (cgraph_check_inline_limits): Change type of REASON to pointer to
        cgraph_inline_failed_t.  Replace reason strings with enums.
        (cgraph_default_inline_p): Ditto.
        (cgraph_recursive_inlining_p): Ditto.
        (update_caller_keys): Change type of FAILED_REASON to
        cgraph_inline_failed_t.
        (cgraph_set_inline_failed): Change type of REASON to pointer to
        cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
        convert enums to strings for text output.
        (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
        to be of type cgraph_inline_failed_t.  Replace reason strings with
        enums.  Call cgraph_inline_failed_string to covert enums
        to strings for text output.
        (cgraph_decide_inlining): Replace reason strings with enums.
        (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
        to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
        for text output.
        * tree-inline.c (expand_call_inline): Change type of REASON
        to cgraph_inline_failed_t.  Replace reason strings with enums.
        Call cgraph_inline_failed_string for text output.
        * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
        (cgraph.o): Ditto.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
        cgraph_clone_node): Remove master clone handling.
        (cgraph_is_master_clone, cgraph_master_clone): Remove.
        * cgraph.h (master_clone): Remove.
        (cgraph_is_master_clone, cgraph_master_clone): Remove.
        * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
        (tree-ssa-structalias.c (ipa_pta_execute): Likewise.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_function_body_availability): Functions declared
        inline are always safe to assume that it is not going to be replaced.

2009-03-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38513
        * tree-ssa-pre.c (eliminate): Remove redundant stores.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
        EXC_PTR_EXPR and FILTER_EXPR.
        (get_ref_from_reference_ops): Likewise.

2009-03-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38968
        * tree-vect-analyze.c (vect_compute_data_ref_alignment):
        Use FLOOR_MOD_EXPR to compute misalignment.

2009-03-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37795
        * tree.h (combine_comparisons): Declare.
        * fold-const.c (combine_comparisons): Export.
        * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
        comparisons.
        (ifcombine_iforif): Use combine_comparisons.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        * tree-eh.c (inlinable_call_p): New function.
        (make_eh_edges): Use it.
        (verify_eh_edges): Use it.
        (stmt_can_throw_external, stmt_can_throw_internal): Use it.
        * except.c (reachable_next_level): Add inlinable_function argument
        (sjlj_find_directly_reachable_regions): Update.
        (add_reachable_handler): Do not set saw_any_handlers.
        (reachable_next_level): Handle MUST_NOT_THROW more curefully.
        (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
        Add new inlinable call parameter.
        (can_throw_internal, can_throw_external): Update.
        * except.h (can_throw_internal_1, can_throw_external_1,
        foreach_reachable_handler): Update declaration.

2009-03-28  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/t-arm-coff, config/h8300/coff.h,
        config/i386/i386-aout.h, config/i386/i386-coff.h,
        config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
        config/pdp11/2bsd.h, config/rs6000/aix41.h,
        config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
        fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
        scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
        sys-types.h: Remove.
        * Makefile.in: Remove protoize and fixproto support and references
        in comments.
        (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
        PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
        Remove.
        (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
        (MOSTLYCLEANFILES): Remove protoize$(exeext) and
        unprotoize$(exeext).
        (rest.encap): Don't depend on $(STMP_FIXPROTO)
        (.PHONY): Don't depend on proto.
        (libgcc-support): Don't depend on $(STMP_FIXPROTO).
        (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
        protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
        deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
        build/gen-protos.o, build/scan.o, xsys-protos.h,
        build/fix-header$(build_exeext), build/fix-header.o,
        build/scan-decls.o, fixhdr.ready, stmp-fixproto,
        stmp-install-fixproto): Remove.
        (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
        SYSCALLS.c or fixproto files.
        (install-common): Don't install protoize.
        (install-headers-tar, install-headers-cpio, install-headers-cp):
        Don't depend on $(STMP_FIXPROTO).
        (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
        install fixproto files or write out fixproto settings.
        (uninstall): Don't uninstall protoize.
        * config.gcc (use_fixproto): Remove.
        (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
        i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
        rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
        * config/m32r/t-linux (STMP_FIXPROTO): Remove.
        * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
        * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
        * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
        * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
        * config/t-svr4 (FIXPROTO_DEFINES): Remove.
        * config/t-vxworks (STMP_FIXPROTO): Remove.
        * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
        STMP_FIXPROTO): Remove.
        * config.in, configure: Regenerate.
        * crtstuff.c (gid_t, uid_t): Don't undefine.
        * doc/install.texi: Change m68k-coff to m68k-elf in example.
        (arm-*-coff, arm-*-aout: Remove target entries.
        (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
        Remove mention of AIX 4.1.
        (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
        * doc/invoke.texi (Running Protoize): Remove.
        * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
        (Protoize Caveats): Remove.
        * tsystem.h: Update comments on headers assumed to exist.

2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c: Add a new year to the copyright.  Add a new
        reference.
        (struct insn_reserv_decl): Add comments for member bypass_list.
        (find_bypass): Remove.
        (insert_bypass): New.
        (process_decls): Use insert_bypass.
        (output_internal_insn_latency_func): Output all bypasses with the
        same input insn in one switch case.

        * rtl.def (define_bypass): Describe bypass choice.
        * doc/md.texi (define_bypass): Ditto.

2009-03-27  Richard Guenther  <rguenther@suse.de>

        * gimplify.c (mark_addressable): Export.
        * tree-flow.h (mark_addressable): Declare.
        * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
        * tree-ssa.c (verify_phi_args): Verify that address taken
        variables have TREE_ADDRESSABLE set.

2009-03-27  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
        (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
        Do not mark decls TREE_ADDRESSABLE.
        (build_fold_addr_expr): Adjust.
        (fold_addr_expr): Remove.
        (fold_unary): Use build_fold_addr_expr.
        (fold_comparison): Likewise.
        (split_address_to_core_and_offset): Likewise.
        * coverage.c (tree_coverage_counter_addr): Mark the array decl
        TREE_ADDRESSABLE.
        * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
        (gimplify_modify_expr_to_memcpy): Mark source and destination
        addressable.
        * omp-low.c (create_omp_child_function): Mark the object decl
        TREE_ADDRESSABLE.
        (lower_rec_input_clauses): Mark the var we take the address of
        TREE_ADDRESSABLE.
        (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/39315
        * cfgexpand.c (expand_one_stack_var_at): Change alignment
        limit to MAX_SUPPORTED_STACK_ALIGNMENT.

2009-03-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39120
        * tree-ssa-structalias.c (handle_rhs_call): Fill out return
        constraints.
        (handle_lhs_call): Process return constraints.  Add escape
        constraints if necessary.
        (handle_const_call): Fill out return constraints.  Make nested
        case more precise.  Avoid consttmp if possible.
        (handle_pure_call): Fill out return constraints.  Avoid
        callused if possible.
        (find_func_aliases): Simplify call handling.

2009-03-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39120
        * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
        as a representative.
        (solve_graph): Do propagate CALLUSED.
        (handle_pure_call): Use a scalar constraint from CALLUSED for
        the return value.
        (find_what_p_points_to): CALLUSED shall not appear in poins-to
        solutions.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR c/39323
        * c-common.c (handle_aligned_attribute): Properly check alignment
        overflow.  Use (1U << i) instead of (1 << i).

        * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.

        * expr.h (get_mem_align_offset): Updated.

        * tree.h (tree_decl_common): Change align to "unsigned int" and
        move it before pointer_alias_set.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/38034
        * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
        gr_register_operand with gr_reg_or_0_operand.
        (cmpxchg_rel_di): Likewise.
        (sync_lock_test_and_set<mode>): Likewise.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
        (true_regnum): Likewise.

        * rtlanal.c (subreg_info): Moved to ...
        * rtl.h (subreg_info): Here.  New.
        (subreg_get_info): New.

        * rtlanal.c (subreg_get_info): Make it extern.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39472
        * config/i386/i386.c (ix86_abi): New.
        (override_options): Handle -mabi=.
        (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
        (ix86_call_abi_override): Likewise.
        (init_cumulative_args): Likewise.
        (function_arg_advance): Likewise.
        (function_arg_64): Likewise.
        (function_arg): Likewise.
        (ix86_pass_by_reference): Likewise.
        (ix86_function_value_regno_p): Likewise.
        (ix86_build_builtin_va_list_abi): Likewise.
        (setup_incoming_varargs_64): Likewise.
        (is_va_list_char_pointer): Likewise.
        (ix86_init_machine_status): Likewise.
        (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
        (ix86_function_type_abi): Return enum calling_abi.  Rewrite
        for 64bit.  Replace DEFAULT_ABI with ix86_abi.
        (ix86_function_abi): Make it static and return enum calling_abi.
        (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
        with ix86_abi.
        (ix86_fn_abi_va_list): Updated.

        * config/i386/i386.h (ix86_abi): New.
        (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
        (CONDITIONAL_REGISTER_USAGE): Likewise.
        (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
        (machine_function): Likewise.

        * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
        with ix86_abi.
        * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
        (STACK_BOUNDARY): Likewise.
        * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.

        * config/i386/i386.opt (mabi=): New.

        * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
        return enum calling_abi.
        (ix86_function_type_abi): Likewise.
        (ix86_function_abi): Removed.

        * doc/invoke.texi: Document -mabi= option for x86.

2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (real_dconstp): Delete.
        (fold_builtin_logarithm): Remove inaccurate log(e) special case.

2009-03-27  Dodji Seketeli  <dodji@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR debug/37959
        * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
        (gen_subprogram_die): When a function is explicit, generate the
        DW_AT_explicit attribute.
        * langhooks.h (struct lang_hooks_for_decls): Add
        function_decl_explicit_p langhook.
        * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
        (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.

2009-03-27  Jakub Jelinek  <jakub@redhat.com>

        * builtins.c (fold_builtin_memory_op): Optimize memmove
        into memcpy if we can prove source and destination don't overlap.

        * tree-inline.c: Include gt-tree-inline.h.
        (clone_fn_id_num): New variable.
        (clone_function_name): New function.
        (tree_function_versioning): Use it.
        * Makefile.in (GTFILES): Add tree-inline.c.

2009-03-27  Mark Mitchell  <mark@codesourcery.com>

        * BASE-VER: Change to 4.5.0.

2009-03-27  Xinliang David Li  <davidxl@google.com>

        PR tree-optimization/39557
        * tree-ssa.c (warn_uninitialized_vars): free postdom info.

2009-03-27  Xinliang David Li  <davidxl@google.com>

        PR tree-optimization/39548
        * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
        candidate check.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        * c-common.c (pointer_int_sum): Use %wd on return from
        tree_low_cst.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
        on return from tree_low_cst.

2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR c++/36799
        * ginclude/stdarg.h (va_copy): Define also for
        __GXX_EXPERIMENTAL_CXX0X__.

2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c++/35652
        * builtins.h (c_strlen): Do not warn here.
        * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
        * c-common.c (pointer_int_sum): Take an explicit location.
        Warn about offsets out of bounds.
        * c-common.h (pointer_int_sum): Adjust declaration.

2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
        markup glitch.

2009-03-26  Jakub Jelinek  <jakub@redhat.com>

        PR c++/39554
        * opts.c (warn_if_disallowed_function_p): Don't assume
        get_callee_fndecl must return non-NULL.

2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/39522
        * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
        when reg_reloaded_valid is set.

2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/divv2df3.c: New file.
        * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
        (DPBIT_FUNCS): Filter out _div_df.

2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
        a jump insn, count that jump in the distance to the loop start.

2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/39523
        * config/sh/sh.c (calc_live_regs): Fix condition for global
        registers except PIC_OFFSET_TABLE_REGNUM.

2009-03-25  Kai Tietz  <kai.tietz@onevision.com>

        PR/39518
        * doc/invoke.texi (-mconsole): New.
        (-mcygwin): New.
        (-mno-cygwin): New.
        (-mdll): New.
        (-mnop-fun-dllimport): New.
        (-mthread): New.
        (-mwin32): New.
        (-mwindows): New.
        (sub section "i386 and x86-64 Windows Options"): New.

2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>

        * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
        * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.

2009-03-25  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39497
        * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
        of -Wno-error.

2009-03-25  Andrey Belevantsev  <abel@ispras.ru>

        * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
        neither of haifa/selective schedulers are working.

2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/invoke.texi (Debugging Options): Fix description of
        -fno-merge-debug-strings.

2009-03-24  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/libgcc.ver: New version-script.
        * config/cris/t-linux (SHLIB_MAPFILES): Use it.

        * configure.ac <GAS features, nop mnemonic>: Add pattern
        crisv32-*-* for "nop".
        <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
        * configure: Regenerate.

2009-03-24  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/39529
        * tree-vect-transform.c (vect_create_data_ref_ptr): Call
        mark_sym_for_renaming for the tag copied to the new vector
        pointer.

2009-03-24  Arthur Loiret  <aloiret@debian.org>

        * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
        * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
        EXTRA_SPEC_FUNCTIONS.
        (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
        * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
        * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
        -march and -mtune options.

2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>

        * config/m68k/t-rtems: Add m5329 multilib.

2009-03-24  Dodji Seketeli  <dodji@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR debug/39524
        * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
        nodes.

2009-03-23  Jakub Jelinek  <jakub@redhat.com>

        PR c/39495
        * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
        instead of c_parser_expression_conv, if original_code isn't one of the
        4 allowed comparison codes, fail.

2009-03-23  Richard Guenther  <rguenther@suse.de>

        * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
        * tree.h (struct tree_type): Likewise.
        * reload.h (struct insn_chain): Likewise.
        * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
        * function.h (struct function): Likewise.
        * tree-ssa-structalias.c (struct equiv_class_label): Likewise.

2009-03-23  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/39516
        * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.

2009-03-23  Bingfeng Mei  <bmei@broadcom.com>

        * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
        should be set true if BITS_PER_WORD of target is bigger than 32

2009-03-22  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
        Translate -B-options to -rpath-link.  Correct existing
        rpath-link and conditionalize on !nostdlib.

2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/extend.texi (Function Attributes, Variable Attributes):
        Fix typos.
        * doc/invoke.texi (Debugging Options, Optimize Options)
        (i386 and x86-64 Options, MCore Options): Likewise.

2009-03-20  Jakub Jelinek  <jakub@redhat.com>

        PR debug/37890
        * dwarf2out.c (gen_namespace_die): Add context_die argument and use
        it for block local namespace aliases.
        (gen_decl_die): Pass context_die to gen_namespace_die.

2009-03-19  Jakub Jelinek  <jakub@redhat.com>

        PR c/39495
        * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
        minimum or maximum value.

2009-03-19  Alexandre Oliva  <aoliva@redhat.com>

        * reginfo.c (globalize_reg): Recompute derived reg sets.

2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>

        PR target/39063
        * libgcc2.c (mprotect): Do not use signed arguments for
        VirtualProtect, use DWORD arguments.  Also fix the 'may
        be used uninitialized' warning for the np variable.

2009-03-19  Jakub Jelinek  <jakub@redhat.com>

        PR target/39496
        * config/i386/i386.c (ix86_function_regparm): Don't optimize local
        functions using regparm calling conventions when not optimizing.
        (ix86_function_sseregparm): Similarly for sseregparm calling
        conventions.

2009-03-19  Li Feng  <nemokingdom@gmail.com>

        PR middle-end/39500
        * tree-data-ref.c (analyze_subscript_affine_affine): There is no
        dependence if the first conflict is after niter iterations.

2009-03-19  Hans-Peter Nilsson  <hp@axis.com>

        PR middle-end/38609
        * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
        functions with dynamic stack-pointer adjustments.

2009-03-19  Ben Elliston  <bje@au.ibm.com>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
        option; change to -msdata=data.

2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
        and -fopenmp.

2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/35180
        * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.

2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Code Gen Options): Expand discussion of
        -fno-common.

2009-03-18  Jakub Jelinek  <jakub@redhat.com>

        * dse.c (struct group_info): Reorder fields for 64-bit hosts.
        * matrix-reorg.c (struct matrix_info): Likewise.
        * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
        * rtl.h (struct mem_attrs): Likewise.
        * df.h (struct df): Likewise.
        * tree-data-ref.h (struct data_dependence_relation): Likewise.
        * ira-int.h (struct ira_allocno): Likewise.
        * df-scan.c (struct df_collection_rec): Likewise.
        * ira.c (struct equivalence): Likewise.
        * function.c (struct temp_slot): Likewise.
        * cfgloop.h (struct loop): Likewise.

        PR debug/39485
        * function.c (use_register_for_decl): When not optimizing, disregard
        register keyword for variables with types containing methods.

2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/39447
        * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
        (is_simple_operand): Call contains_component_ref_p before calling data
        reference analysis that would fail on COMPONENT_REFs.

        * tree-vrp.c (search_for_addr_array): Fix formatting.

2009-03-18  Richard Guenther  <rguenther@suse.de>

        * tree-vect-transform.c (vect_loop_versioning): Fold the
        generated comparisons.
        * tree-vectorizer.c (set_prologue_iterations): Likewise.
        (slpeel_tree_peel_loop_to_edge): Likewise.

2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR middle-end/37805
        * opts.c (print_specific_help): In addition to `undocumented',
        accept `separate' and `joined' flags if passed alone.  Describe
        output by the first matched one of those.
        (common_handle_option): Skip over empty strings.
        * gcc.c (display_help): Fix help string for `--help='.
        * doc/invoke.texi (Option Summary, Overall Options): With
        `--help=', classes and qualifiers can both be repeated, but
        only the latter can be negated.  One should not pass only
        negated qualifiers.  Fix markup and examples.

        Revert
        2008-10-14  Jakub Jelinek  <jakub@redhat.com>
        PR middle-end/37805
        * opts.c (common_handle_option): Don't ICE on -fhelp=joined
        and -fhelp=separate.

2009-03-17  Jing Yu  <jingyu@google.com>

        PR middle-end/39378
        * function.h (struct rtl_data): Move is_thunk from here...
        (struct function): ...to here.
        * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
        * varasm.c (assemble_start_function): Change is_thunk from crtl to
        cfun.
        * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
        cfun.
        (alpha_does_function_need_gp, alpha_start_function): Likewise.
        (alpha_output_function_end_prologue): Likewise.
        (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
        * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
        (rs6000_output_function_epilogue): Likewise.
        * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.

2009-03-17  Uros Bizjak  <ubizjak@gmail.com>

        PR target/39482
        * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
        from different units in a single alternative.
        (*truncdfsf_i387): Ditto.
        (*truncxfsf2_mixed): Ditto.
        (*truncxfdf2_mixed): Ditto.

2009-03-17  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
        non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.

        PR debug/39474
        * tree-ssa-live.c (remove_unused_locals): Don't remove local
        unused non-artificial variables when not optimizing.

        PR debug/39471
        * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
        DW_TAG_imported_module even if decl is IMPORTED_DECL with
        NAMESPACE_DECL in its DECL_INITIAL.

        PR middle-end/39443
        * optabs.c (set_user_assembler_libfunc): New function.
        * expr.h (set_user_assembler_libfunc): New prototype.
        * c-common.c: Include libfuncs.h.
        (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
        for memcmp, memset, memcpy, memmove and abort.
        * Makefile.in (c-common.o): Depend on libfuncs.h.

        PR debug/39412
        * dwarf2out.c (gen_inlined_enumeration_type_die,
        gen_inlined_structure_type_die, gen_inlined_union_type_die,
        gen_tagged_type_instantiation_die): Removed.
        (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
        do nothing.

2009-03-17  Janis Johnson  <janis187@us.ibm.com>

        PR testsuite/38526
        * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
        its use.
        (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
        (check-parallel-%): Ditto.
        (check-consistency): Ditto.

2009-03-17  Kai Tietz  <kai.tietz@onevision.com>

        * ipa-struct-reorg.c (create_general_new_stmt): Initialize
        local variable rhs by NULL_TREE.

2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39477
        * doc/extend.texi: Correct register behavior for regparm on Intel 386.

2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39476
        * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.

2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39473
        * config/i386/i386.c (ix86_expand_call): Check extra clobbers
        for ms->sysv ABI calls only in 64bit mode.

        * config/i386/i386.md (untyped_call): Support 32bit.

2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/extend.texi: Replace x86_65 with x86_64.

2009-03-16  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/39455
        * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
        mismatches for POINTER_TYPE_P (type).
        (number_of_iterations_le): Likewise.

2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c: Removed profiling support.
        * config/picochip/picochip.md: Removed profiling instruction.
        * config/picochip/picochip.h: Removed profiling builtin.

2009-03-16  Joseph Myers  <joseph@codesourcery.com>

        * doc/install.texi (--with-host-libstdcxx): Document.

2009-03-14  Anatoly Sokolov  <aesok@post.ru>

        PR target/34299
        * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
        generate a warning if the function name does not begin with
        "__vector" and the function has either the 'signal' or 'interrupt'
        attribute, from here to ...
        (avr_declare_function_name): ...here. New function.
        * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
        * config/avr/avr-protos.h (avr_declare_function_name): Declare.

2009-03-14  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/39454
        * cse.c (fold_rtx): Don't modify original const_arg1 when
        canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
        separate variable instead.
        * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
        from out of range shift counts.
        (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.

2009-03-13  Catherine Moore  <clm@codesourcery.com>

        * config/i386/x-mingw32 (host-mingw32.o): Replace
        diagnostic.h with $(DIAGNOSTIC_H).

2009-03-12  Jakub Jelinek  <jakub@redhat.com>

        PR target/39431
        * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
        predicate.
        * config/i386/sync.md (sync_compare_and_swap<mode>,
        sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
        if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
        into a register.
        (sync_double_compare_and_swapdi_pic,
        sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
        cmpxchg8b_pic_memory_operand instead of just memory_operand.

2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39445
        * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.

2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39327
        * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
        (avx_addsubv4df3): Likewise.
        (*avx_addsubv4sf3): Likewise.
        (sse3_addsubv4sf3): Likewise.

2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/38824
        * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.

2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>

        PR debug/39432
        * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
        * ira-conflicts.c (ira_build_conflicts): Prohibit call used
        registers for allocnos created from user-defined variables.

2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR target/39181
        * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
        of non-integer mode as well.

2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>

        * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
        for functions for which the parameter types are unknown.

2009-03-11  Jakub Jelinek  <jakub@redhat.com>

        PR target/39137
        * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
        * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
        * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
        * config/i386/i386.c (ix86_local_alignment): For
        -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
        long long variables on the stack to avoid dynamic realignment.
        Allow the first argument to be a decl rather than type.
        * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.

2009-03-11  Nick Clifton  <nickc@redhat.com>

        PR target/5362
        * config/mcore/mcore.opt: Remove deprecated m4align and m8align
        options.
        Add description to mno-lsim option.
        * config/mcore/mcore.h: Remove comment about deprecated m4align
        option.
        (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
        * doc/invoke.texi: Add description of mno-lsim and
        mstack-increment options.

        * config/fr30/fr30.opt: Document the -mno-lsim option.
        * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
        and -mno-lsim options.

2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * fold-const.c (fold_comparison): Only call fold_inf_compare
        if the mode supports infinities.

2009-03-11  Jason Merrill  <jason@redhat.com>

        PR debug/39086
        * tree-nrv.c (tree_nrv): Don't do this optimization if the front
        end already did.  Notice GIMPLE_CALL modifications of the result.
        Don't copy debug information from an ignored decl or a decl from
        another function.

2009-03-10  Richard Guenther  <rguenther@suse.de>
            Nathan Froyd  <froydnj@codesourcery.com>

        PR middle-end/37850
        * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
        (__divMODE3): Likewise.

2009-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/39394
        * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
        DECL_SIZE_UNIT of variable length FIELD_DECLs.

2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * recog.c (verfiy_changes): Disallow renaming of hard regs in
        inline asms for register asm ("") declarations.

2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (fold_unary): Fix comment.

2009-03-07  Jan Hubicka  <jh@suse.cz>

        PR target/39361
        * tree-inline.c (setup_one_parameter): Do replacement of const
        argument by constant in SSA form.

2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR middle-end/38028
        * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
        determine alignment passed to assign_stack_local.
        (assign_parms_unsplit_complex): Likewise.
        * except.c (sjlj_build_landing_pads): Likewise.

2009-03-06  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/39360
        * tree-flow.h (add_referenced_var): Return bool instead of void.
        * tree-dfa.c (add_referenced_var): Return result of
        referenced_var_check_and_insert call.
        * tree-inline.c (expand_call_inline): Call add_referenced_var instead
        of referenced_var_check_and_insert.

        PR debug/39372
        * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
        (gen_variable_die): Emit DW_AT_location on abstract static variable's
        DIE, don't emit it if abstract origin already has it.
        * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
        BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.

2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

        * genpreds.c (needs_variable): Fix parentheses at variable name
        detection.
        (write_tm_constrs_h): Indent generated code.

2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * doc/extend.texi (Function Attributes): Add documentation
        for isr attributes.

2009-03-06  Jakub Jelinek  <jakub@redhat.com>

        PR debug/39387
        * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
        take locus from its DECL_SOURCE_LOCATION instead of input_location.

2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
        the loop as bad.

2009-03-05  Jakub Jelinek  <jakub@redhat.com>

        PR debug/39379
        * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
        with blocks containing IMPORTED_DECLs in BLOCK_VARS.

2009-03-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (R8_REG, R9_REG): New constants.
        * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
        constants instead of magic numbers.
        (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
        (QI_REG_P): Ditto.
        * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
        (x86_64_ms_abi_int_parameter_registers): Ditto.
        (x86_64_int_return_registers): Ditto.
        (ix86_maybe_switch_abi): Ditto.
        (ix86_expand_call): Ditto for clobbered_registers array.
        (ix86_hard_regno_mode_ok): Ditto.
        (x86_extended_QIreg_mentioned_p): Ditto.

2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>

        PR tree-optimization/39349
        * cse.c (cse_insn): Fix loop to stop at VOIDmode.

        * combine.c (gen_lowpart_for_combine): Use omode when generating
        clobber.

2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>

        PR rtl-optimization/39235
        * loop-iv.c (get_simple_loop_desc): Use XCNEW.

2009-03-04  Zdenek Dvorak  <ook@ucw.cz>

        * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.

2009-03-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39362
        * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
        that occur in abnormal PHIs should be varying.

2009-03-04  Zdenek Dvorak  <ook@ucw.cz>

        * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
        Extend comments.
        (simple_iv):  Take loop as an argument instead of statement.
        * tree-scalar-evolution.h (simple_iv): Declaration changed.
        * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
        to simple_iv.
        * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
        Ditto.
        * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
        * matrix-reorg.c (analyze_transpose): Ditto.
        * tree-data-ref.c (dr_analyze_innermost): Ditto.
        * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
        * tree-predcom.c (ref_at_iteration): Ditto.
        * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.

2009-03-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39358
        * tree-ssa-structalias.c (do_sd_constraint): Fix check for
        escaped_id and callused_id.
        (solve_graph): Likewise.

2009-03-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39339
        * tree-sra.c (try_instantiate_multiple_fields): Make it
        no longer ICE on the above.

2009-03-03  Joseph Myers  <joseph@codesourcery.com>

        * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
        that fits within Pmode.

2009-03-03  Steve Ellcey  <sje@cup.hp.com>

        PR middle-end/10109
        * tm.texi (LIBCALL_VALUE): Update description.

2009-03-03  Steve Ellcey  <sje@cup.hp.com>

        PR middle-end/34443
        * doc/extend.texi (section): Update description.

2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/39345
        * tree-inline.c (remapped_type): New.
        (can_be_nonlocal): Call remapped_type instead of remap_type.

2009-03-03  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/39354
        * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
        TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.

2009-03-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39272
        * tree.c (tree_nonartificial_location): New function.
        * tree.h (tree_nonartificial_location): Declare.
        * builtins.c (expand_builtin_memory_chk): Provide location
        of the call location for artificial function pieces.
        (maybe_emit_chk_warning): Likewise.
        (maybe_emit_sprintf_chk_warning): Likewise.
        (maybe_emit_free_warning): Likewise.
        * expr.c (expand_expr_real_1): Likewise.

2009-03-03  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/39343
        * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
        COMPONENT_REF t has ARRAY_TYPE.

2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/39335
        * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
        when the type precision of the induction variable should be
        larger than the type precision of nit.
        (gen_parallel_loop): Update use of canonicalize_loop_ivs.
        * graphite.c (graphite_loop_normal_form): Same.
        * tree-flow.h (canonicalize_loop_ivs): Update declaration.

2009-03-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
        (*call_1_rex64_ms_sysv): Use named constants instead of magic
        numbers to describe clobbered registers.
        (*call_value_0_rex64_ms_sysv): Ditto.
        * config/i386/mmx.md (mmx_emms): Ditto.
        (mmx_femms): Ditto.

2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
        of ABI_64.

2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
        (spu_section_type_flags): New function.

2009-03-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
        reg_class_contents of FLOAT_REGS into a temporary.

2009-03-02  Richard Guenther  <rguenther@suse.de>
            Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/39318
        * tree-vect-transform.c (vectorizable_call): Transfer the EH region
        information to the vectorized statement.

2009-03-01  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
        variable.  Use defined names instead of magic constants for REX SSE
        registers.

2009-03-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39331
        * omp-low.c (lower_send_shared_vars): Do not receive new
        values for the reference of DECL_BY_REFERENCE parms or results.

2009-03-01  Jan Hubicka  <jh@suse.cz>

        PR debug/39267
        * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
        BLOCK_NONLOCALIZED_VAR): New macros.
        (tree_block): Add nonlocalized_vars.
        * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
        gen_decl_die): Add origin argument.  Allow generation of die with
        origin at hand only.
        (gen_member_die, gen_type_die_with_usage, force_decl_die,
        declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
        of gen_*.
        (gen_block_die): Fix checking for unused blocks.
        (process_scope_var): Break out from .... ; work with origins only.
        (decls_for_scope) ... here; process nonlocalized list.
        (dwarf2out_ignore_block): Look for nonlocalized vars.
        * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
        vars.
        (dump_scope_block): Dump them.
        * tree-inline.c (remap_decls): Handle nonlocalized vars.
        (remap_block): Likewise.
        (can_be_nonlocal): New predicate.
        (copy_bind_expr, copy_gimple_bind): Update use of remap_block.

2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * configure: Regenerate.

2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * optc-gen.awk: No need to duplicate option flags twice.
        Reuse help texts for duplicate options which do not have any.

        * gcc.c (display_help): Document --version.

        * gcc.c (main): If print_help_list and verbose_flag, ensure
        driver output comes before subprocess output.

        * optc-gen.awk: Assign all remaining fields to help string,
        space-separated, for multi-line help in *.opt.

        * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
        -Wno-pedantic-ms-format is for MinGW targets only.

        * doc/options.texi (Option file format): Fix bad indentation,
        restoring dropped sentence.

2009-02-28  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c (tree_function_versioning): Output debug info.

2009-02-28  Jan Hubicka  <jh@suse.cz>

        PR debug/39267
        * tree-inline.c (setup_one_parameter): Do not copy propagate
        arguments when not optimizing.

2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39327
        * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
        (avx_addsubv4df3): Likewise.
        (*avx_addsubv4sf3): Likewise.
        (sse3_addsubv4sf3): Likewise.
        (*avx_addsubv2df3): Likewise.
        (sse3_addsubv2df3): Likewise.
        (avx_unpckhps256): Correct item selectors.
        (avx_unpcklps256): Likewise.
        (avx_unpckhpd256): Likewise.
        (avx_unpcklpd256): Likewise.

2009-02-28  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
        static vars.
        (copy_arguments_for_versioning): If var is declared don't declare it.
        (tree_function_versioning): First setup substitutions and then copy
        args.

2009-02-27  Jan Hubicka  <jh@suse.cz>

        PR debug/39267
        * cgraph.h (varpool_output_debug_info): Remove.
        * cgraphunit.c (varpool_output_debug_info): Remove.
        * dwarf2out.c (deferred_locations_struct): New struct
        (deferred_locations): New type.
        (deferred_locations_list): New static var.
        (deffer_location): New function.
        (gen_variable_die): Use it.
        (decls_for_scope): Output info on local static vars.
        (dwarf2out_finish): Process deferred locations.
        * varpool.c (varpool_output_debug_info): Remove.

2009-02-27  Jan Hubicka  <jh@suse.cz>

        PR debug/39267
        * tree.h (TREE_PROTECTED): Fix comment.
        (BLOCK_HANDLER_BLOCK): Remove.
        (struct tree_block): Remove handler_block add body_block.
        (inlined_function_outer_scope_p): New.
        (is_body_block): Remove.
        * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
        * dwarf2out.c (is_inlined_entry_point): Remove.
        (add_high_low_attributes): Use inlined_function_outer_scope_p.
        (gen_block_die): Use is_inlined_entry_point check.  Remove body block
        code.
        * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
        * gimplify.c (gimplify_expr): Gimplify body blocks.
        * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
        block with multiple subblocks.
        (dump_scope_block): Prettier output; dump more flags and info.
        (dump_scope_blocks): New.
        (remove_unused_locals): Use dump_scope_blocks.
        * tree-flow.h (dump_scope_blocks): Declare.
        * tree-cfg.c (execute_build_cfg): Dump scope blocks.
        * stmt.c (is_body_block): Remove.
        * tree-inline.c (remap_block): Copy BODY_BLOCK info.
        * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.

2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/39308
        * graphite.c (graphite_loop_normal_form): Do not call
        number_of_iterations_exit from a gcc_assert.

2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_swap_cmp): Look for conditional
        jumps if COND is NULL.
        (find_cond_jump): New function.
        (s390_z10_optimize_cmp): Handling for reg-reg compares added.
        * config/s390/s390.md: Remove z10_cobra attribute value.

2009-02-26  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.h (alpha_expand_mov): Return false if
        force_const_mem returns NULL_RTX.

2009-02-26  Jan Hubicka  <jh@suse.cz>

        PR debug/39267
        * cgraph.h (varpool_output_debug_info): Remove.
        * cgraphunit.c (varpool_output_debug_info): Remove.
        * dwarf2out.c (deferred_locations_struct): New struct
        (deferred_locations): New type.
        (deferred_locations_list): New static var.
        (deffer_location): New function.
        (gen_variable_die): Use it.
        (decls_for_scope): Output info on local static vars.
        (dwarf2out_finish): Process deferred locations.
        * varpool.c (varpool_output_debug_info): Remove.

2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>

        PR rtl-optimization/39241
        * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
        to subreg_offset_representable_p.

2009-02-25  Paolo Bonzini  <bonzini@gnu.org>

        * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
        execute function prototype.  Get f and nregs from max_reg_num
        and get_insns.  Remove the first backward pass as it's dead,
        guard the forward pass by flag_expensive_optimizations.
        (rest_of_handle_regmove): Delete.
        (pass_regmove): Replace it with regmove_optimize.

2009-02-25  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/39259
        * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
        calls_alloca function flags.
        (copy_bb): Set calls_setjmp and alls_alloca function flags if such
        calls are detected.

2009-02-25  Paolo Bonzini  <bonzini@gnu.org>

        * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
        flags_set_1_rtx, flags_set_1_set): Delete.
        (regmove_optimize): Do not call mark_flags_life_zones.

2009-02-24  Julian Brown  <julian@codesourcery.com>

        PR target/35965
        * config/arm/arm.c (require_pic_register): Only set
        cfun->machine->pic_reg once per function.

2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Link Options): Document an easier way to pass
        options that take arguments to the GNU linker using -Xlinker and -Wl.

2009-02-24  Steve Ellcey  <sje@cup.hp.com>

        PR target/33785
        * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.

2009-02-24  Richard Guenther  <rguenther@suse.de>

        PR debug/39285
        * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.

2009-02-24  Richard Guenther  <rguenther@suse.de>
            Zdenek Dvorak  <ook@ucw.cz>

        PR tree-optimization/39233
        * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
        from converting them to a generic type.

2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/39260
        * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
        contains a condition with a real type.
        (build_scop_conditions_1): Conditions are always last_stmt of a bb.

2009-02-23  Jason Merrill  <jason@redhat.com>

        PR c++/38880
        * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
        narrowing_initializer_constant_valid_p.
        (narrowing_initializer_constant_valid_p): Don't return
        null_pointer_node for adding a pointer to itself.

2009-02-23  Jan Hubicka  <jh@suse.cz>

        PR c/12245
        * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
        resizing.

2009-02-23  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/37709
        * tree.c (block_ultimate_origin): Move here from dwarf2out.
        * tree.h (block_ultimate_origin): Declare.
        * dwarf2out.c (block_ultimate_origin): Move to tree.c
        * tree-ssa-live.c (remove_unused_scope_block_p):
        Eliminate blocks containig no instructions nor live variables nor
        nested blocks.
        (dump_scope_block): New function.
        (remove_unused_locals): Enable removal of dead blocks by default;
        enable dumping at TDF_DETAILS.

2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (classify_argument): Don't allow COImode
        and OImode.
        (function_arg_advance_32): Don't allow OImode.
        (function_arg_32): Likewise.
        (function_value_32): Likewise.
        (return_in_memory_32): Likewise.
        (function_arg_64): Remove OImode comment.

2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39261
        * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
        ix86_expand_vector_set for V4DImode in 64bit mode only.
        (ix86_expand_vector_init_one_var): Likewise.

2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.

2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>

        PR bootstrap/39257
        * loop-iv.c: Revert last change.
        * emit-rtl.c: Likewise.

2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39256
        * config/i386/i386.c (type_natural_mode): Remove an extra
        space in the warning message.
        (function_value_32): Handle 32-byte vector modes.
        (return_in_memory_32): Likewise.

2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>

        * loop-iv.c (truncate_value): New function.
        (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
        of lowpart_subreg.
        (lowpart_subreg): Move to...
        * emit-rtl.c: ...here.

2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
        accidental and undocumented change at revision 140860.

2009-02-21  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
        take gimple_seq * arguments.
        (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
        types_compatible_p langhook.

2009-02-20  Mark Mitchell  <mark@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm.c (arm_builtin_va_list): New function.
        (arm_expand_builtin_va_start): Likewise.
        (arm_gimplify_va_arg_expr): Likewise.
        (TARGET_BUILD_BUILTIN_VA_LIST): Define.
        (TARGET_BUILD_BUILTIN_VA_START): Likewise.
        (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
        (va_list_type): New variable.
        (arm_mangle_type): Mangle va_list_type appropriately.

2009-02-20  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/39157
        * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
        * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
        * params.def (loop-invariant-max-bbs-in-loop): New parameter.
        * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
        parameter to 1000 for -O1 by default.
        * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
        parameter.
        * loop-invariant.c: Include params.h.
        (move_loop_invariants): Don't call move_single_loop_invariants on
        very large loops.

2009-02-20  Jaka Mocnik  <jaka@xlab.si>

        * calls.c (emit_library_call_value_1): Use slot_offset instead of
        offset when calculating bounds for indexing stack_usage_map.  Fixes
        a buffer overflow with certain target setups.

2009-02-20  Jakub Jelinek  <jakub@redhat.com>

        PR target/39240
        * calls.c (expand_call): Clear try_tail_call if caller and callee
        disagree in promotion of function return value.

2009-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR target/39175
        * c-common.c (c_determine_visibility): If visibility changed and
        DECL_RTL has been already set, call make_decl_rtl to update symbol
        flags.

2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>

        PR c++/39188
        * varasm.c (assemble_variable): Don't check DECL_NAME when
        globalizing a variable.

2009-02-19  Joseph Myers  <joseph@codesourcery.com>

        PR c/38483
        * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
        expression before any __builtin_trap call.
        * c-typeck.c (build_function_call): Convert and check function
        arguments before generating a call to a trap.  Evaluate the
        function arguments before the trap.

2009-02-19  Uros Bizjak  <ubizjak@gmail.com>

        PR target/39228
        * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
        (UNSPEC_FXAM_MEM): New unspec.
        (fxam<mode>2_i387_with_temp): New insn and split pattern.
        (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
        memory using fxam<mode>2_i387_with_temp to remove excess precision.

2009-02-19  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39207
        PR tree-optimization/39074
        * tree-ssa-structalias.c (storedanything_id, var_storedanything,
        storedanything_tree): New.
        (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
        the STOREDANYTHING solution if the lhs solution contains ANYTHING.
        (build_succ_graph): Add edges from STOREDANYTHING to all
        non-direct nodes.
        (init_base_vars): Initialize STOREDANYTHING.
        (compute_points_to_sets): Free substitution info after
        building the succ graph.
        (ipa_pta_execute): Likewise.

        * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
        field.
        (do_ds_constraint): Do not add to special var or non-pointer
        field solutions.
        (type_could_have_pointers): Split out from ...
        (could_have_pointers): ... here.  For arrays use the element type.
        (create_variable_info_for): Initialize may_have_pointers.
        (new_var_info): Likewise.
        (handle_lhs_call): Make the HEAP variable unknown-sized.
        (intra_create_variable_infos): Use a type with pointers for
        PARM_NOALIAS, make it unknown-sized.

2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39224
        * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.

2009-02-18  Jason Merrill  <jason@redhat.com>

        PR target/39179
        * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
        value if DECL_EXTERNAL.
        * tree-sra.c (sra_walk_gimple_assign): Likewise.
        * target.h (gcc_target::binds_local_p): Clarify "module".
        * tree.h (TREE_PUBLIC): Clarify "module".

2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>

        PR target/38891
        * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
        initialization for MS_ABI prior to the hunk of !TARGET_MMX.

2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39082
        * c.opt (Wabi): Support C and ObjC.
        (Wpsabi): New.

        * c-opts.c (c_common_handle_option): Handle OPT_Wabi.

        * config/i386/i386.c (classify_argument): Warn once about the ABI
        change when passing union with long double.

        * doc/invoke.texi: Update -Wabi for warning psABI changes.

2009-02-18  Joseph Myers  <joseph@codesourcery.com>

        PR c/35447
        * c-parser.c (c_parser_compound_statement): Always enter and leave
        a scope.

2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/34587
        * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.

2009-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/36922
        * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
        * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
        Likewise.

2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
        to 0 for EABI64.

2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.md (type): Reclassify lui_movf as "unknown".

2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
        tree sharing.

2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
            Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
        * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
        (loongson_biadd): ...this.

2009-02-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39202
        * tree-ssa-structalias.c (do_structure_copy): Before collapsing
        a var make sure to follow existing collapses.

2009-02-17  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39214
        * langhooks.c (lhd_print_error_function): Check for NULL block.

2009-02-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39204
        * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
        of the PHI arg.

2009-02-17  Uros Bizjak  <ubizjak@gmail.com>

        * config/soft-fp/double.h: Update from glibc CVS.

2009-02-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39207
        * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
        strict-aliasing warnings for pointers pointing to NULL.

2009-02-16  Joseph Myers  <joseph@codesourcery.com>

        PR c/35446
        * c-parser.c (c_parser_braced_init): Call pop_init_level when
        skipping until next close brace.

2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/37049
        * config/i386/i386.c (ix86_expand_push): Set memory alignment
        to function argument boundary.

2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.md (lea_add): Allow any nonimmediate
        in the lea_add. Reload eventually constraints it properly.
        * config/picochip/constraints.md: Remove the target constraint
        "b", since it is not needed anymore.

2009-02-16  Jakub Jelinek  <jakub@redhat.com>

        * gthr-dce.h: Uglify function parameter and local variable names.
        * gthr-gnat.h: Likewise.
        * gthr-mipssde.h: Likewise.
        * gthr-nks.h: Likewise.
        * gthr-posix95.h: Likewise.
        * gthr-posix.h: Likewise.
        * gthr-rtems.h: Likewise.
        * gthr-single.h: Likewise.
        * gthr-solaris.h: Likewise.
        * gthr-tpf.h: Likewise.
        * gthr-vxworks.h: Likewise.
        * gthr-win32.h: Likewise.

2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39196
        * config/i386/i386.md: Restrict the new peephole2 to move
        between MMX/SSE registers.

2009-02-15  Richard Guenther  <rguenther@suse.de>

        Revert
        2009-02-13  Richard Guenther  <rguenther@suse.de>

        * configure.ac: Enable LFS.
        * configure: Re-generate.
        * config.in: Likewise.

2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
        spu_srqwbyte, spu_srqwbytebc): Define.
        * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
        spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
        * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
        "shrqby_<mode>"): New insn-and-split patterns.
        * config/spu/spu.c (expand_builtin_args): Determine and return
        number of operands using spu_builtin_description data.
        (spu_expand_builtin_1): Use it.

2009-02-13  Steve Ellcey  <sje@cup.hp.com>

        PR target/38056
        * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
        TARGET_CONST_GP.

2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39149
        * config/i386/i386.c (override_options): Correct warning
        messages for -malign-loops, -malign-jumps and -malign-functions.

2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39152
        * config/i386/i386.md: Restrict the new peephole2 to move
        between the general purpose registers.

2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39162
        * config/i386/i386.c (type_natural_mode): Add a new argument.
        Return the original mode and warn ABI change if vector size is 32byte.
        (function_arg_advance): Updated.
        (function_arg): Likewise.
        (ix86_function_value): Likewise.
        (ix86_return_in_memory): Likewise.
        (ix86_sol10_return_in_memory): Likewise.
        (ix86_gimplify_va_arg): Likewise.
        (function_arg_32): Don't warn ABX ABI change here.
        (function_arg_64): Likewise.

2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>

        * loop-iv.c (implies_p): In the final case, test that operands 0
        of the two comparisons match.

        * config/bfin/bfin.c (find_prev_insn_start): New function.
        (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
        (find_next_insn_start): Move.

2009-02-13  Richard Guenther  <rguenther@suse.de>

        * configure.ac: Enable LFS.
        * configure: Re-generate.
        * config.in: Likewise.

2009-02-13  Joseph Myers  <joseph@codesourcery.com>

        PR c/35444
        * c-parser.c (c_parser_parms_list_declarator): Discard pending
        sizes on syntax error after some arguments have been parsed.

2009-02-12  Jakub Jelinek  <jakub@redhat.com>

        * doc/invoke.texi (-fira): Remove.

2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>

        * caller-save.c: Replace regclass.c with reginfo.c in comments.
        * recog.c: Likewise.
        * rtl.h: Likewise.

2009-02-12  Uros Bizjak  <ubizjak@gmail.com>

        * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
        (umul_ppmm): Likewise.
        (count_leading_zeros): Likewise.
        (count_trailing_zeros): Likewise.
        (UMUL_TIME): Likewise.

2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
        soft-fp/t-softfp to tmake_file.

        * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
        (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
        (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
        IA64_BUILTIN_INFQ]: New.
        (ia64_init_builtins): Initialize __builtin_infq,
        __builtin_fabsq and __builtin_copysignq if not HPUX.
        (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
        IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.

        * config/ia64/lib1funcs.asm (__divtf3): Define only if
        SHARED is defined.
        (__fixtfti): Likewise.
        (__fixunstfti): Likewise.
        (__floattitf): Likewise.

        * config/ia64/libgcc-glibc.ver: New.
        * config/ia64/t-fprules-softfp: Likewise.
        * config/ia64/sfp-machine.h: Likewise.

        * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
        (LIBGCC2_TF_CEXT): Likewise.
        (TF_SIZE): Likewise.
        (TARGET_INIT_LIBFUNCS): Likewise.

        * config/ia64/t-glibc (SHLINB_MAPFILES):
        Add $(srcdir)/config/ia64/libgcc-glibc.ver.

2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (construct_container): Rewrite processing
        BLKmode with X86_64_SSE_CLASS.

2009-02-12  Paolo Bonzini  <bonzini@gnu.org>

        PR target/39152
        * config/i386/i386.md: Replace simplify_replace_rtx with
        replace_rtx in the new peephole2.

2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>

        * doc/invoke.texi (Optimize Options): Stop claiming inlining and
        loop unrolling do not happen at -O2.

2009-02-12  Michael Matz  <matz@suse.de>

        * gcc.c (ASM_DEBUG_SPEC): Check for -g0.

2009-02-12  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
        for -g3.

2009-02-12  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
        patterns when updating the back chain.  Missed in the 2009-02-10
        change.

2009-02-11  Janis Johnson  <janis187@us.ibm.com>

        * doc/extend.texi (Decimal Floating Types): Update identifier of
        draft TR and list of missing support.

2009-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/39154
        * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
        bit to variable length decl's flags, add it also to its
        pointer replacement variable.

2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/39118
        * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
        (memory_blockage): New expander.
        (*memory_blockage): New insn pattern.
        * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
        instead of general blockage at the end of function prologue when
        frame pointer is used to access red zone area.  Do not emit blockage
        when profiling, it is emitted in generic code.
        (ix86_expand_epilogue): Emit memory_blockage at the beginning of
        function epilogue when frame pointer is used to access red zone area.

2009-02-11  Paolo Bonzini  <bonzini@gnu.org>

        PR target/38824
        * config/i386/i386.md: Add two new peephole2 to avoid mov followed
        by arithmetic with memory operands.
        * config/i386/predicates.md (commutative_operator): New.

2009-02-10  Janis Johnson  <janis187@us.ibm.com>

        * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
        bulleted lists.

2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>

        * alias.h (record_alias_subset): Declare.
        * alias.c (record_alias_subset): Make global.

2009-02-10  Nick Clifton  <nickc@redhat.com>

        * tree-parloops.c: Change license to GPLv3.
        * ipa-struct-reorg.c: Change license to GPLv3.
        * ipa-struct-reorg.h: Change license to GPLv3.

2009-02-10  Steve Ellcey  <sje@cup.hp.com>

        PR c/39084
        * c-decl.c (start_struct): Return NULL on error.

2009-02-10  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/39124
        * cfgloopmanip.c (remove_path): Call remove_bbs after
        cancel_loop_tree, not before it.

        PR target/39139
        * function.h (struct function): Add has_local_explicit_reg_vars bit.
        * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
        VAR_DECLs were seen.
        * tree-ssa-live.c (remove_unused_locals): Recompute
        cfun->has_local_explicit_reg_vars.
        * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
        copies or clearings if cfun->has_local_explicit_reg_vars.

2009-02-10  Uros Bizjak  <ubizjak@gmail.com>

        PR target/39118
        * config/i386/i386.c (expand_prologue): Emit blockage at the end
        of function prologue when frame pointer is used to access
        red zone area.

2009-02-10  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39127
        * gimplify.c (gimple_regimplify_operands): Always look if
        we need to create a temporary.

2009-02-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39132
        * tree-loop-distribution.c (todo): New global var.
        (generate_memset_zero): Trigger TODO_rebuild_alias.
        (tree_loop_distribution): Return todo.

2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39119
        * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
        (x86_64_reg_class_name): Removed.
        (classify_argument): Return 0 if bytes > 32.  Return 0 if the
        first one isn't X86_64_SSE_CLASS or any other ones aren't
        X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
        X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
        is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
        and 3 X86_64_SSEUP_CLASS.
        (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
        registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.

2009-02-10  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/rs6000.md (allocate_stack): Always use an update
        form instruction to update the stack back chain word, even if the
        user has disabled the generation of update instructions.
        (movdi_<mode>_update_stack): New.
        (movsi_update_stack): Likewise.
        * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
        always use an update form instruction to update the stack back
        chain word.

2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/38953
        * graphite.c (if_region_set_false_region): After moving a region in
        the false branch of a condition, remove the empty dummy basic block.
        (gloog): Remove wrong fix for PR38953.

2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
        generation due to implicit sign extension.

2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/38981
        * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
        at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.

2009-02-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35202
        * convert.c (convert_to_real): Disable (float)fn((double)x)
        to fnf(x) conversion if errno differences may occur and
        -fmath-errno is set.

2009-02-07  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
        * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
        * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).

2009-02-06  Joseph Myers  <joseph@codesourcery.com>

        PR c/35434
        * c-common.c (handle_alias_attribute): Disallow attribute for
        anything not a FUNCTION_DECL or VAR_DECL.

2009-02-06  Janis Johnson  <janis187@us.ibm.com>

        PR c/39035
        * real.c (do_compare): Special-case compare of zero against
        decimal float value.

2009-02-06  Joseph Myers  <joseph@codesourcery.com>

        PR c/36432
        * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
        as indicating flexible array members unless the field itself is
        being declarared as the incomplete array.

2009-02-06  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/38844
        * ipa-inline.c (try_inline): Stop inlining recursion when edge
        is already inlined.

2009-02-06  Richard Guenther  <rguenther@suse.de>

        PR middle-end/38977
        * tree-cfg.c (need_fake_edge_p): Force a fake edge for
        fork because we may expand it as __gcov_fork.

2009-02-06  Nick Clifton  <nickc@redhat.com>

        * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.

2009-02-06  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/35659
        * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
        vn_phi_eq): Shortcut if hashcode does not match.
        (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
        NULL operands.
        * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
        and avoid iterative_hash_expr.
        (FOR_EACH_VALUE_ID_IN_SET): New.
        (value_id_compare): Remove.
        (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
        sort expressions by value id.

2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/38991
        * config/sh/predicates.md (general_movsrc_operand): Don't check
        the subreg of system registers here.

2009-02-05  Jakub Jelinek  <jakub@redhat.com>

        PR c++/39106
        * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
        on the copied decl.

2009-02-05  Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/39110
        * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
        addresses, not aligned ones.

2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39100
        * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
        comment says and add edges.

2009-02-05  Joseph Myers  <joseph@codesourcery.com>

        PR c/35435
        * c-common.c (handle_tls_model_attribute): Ignore attribute for
        non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.

2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
        sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
        register_bb_in_sese, new_sese, free_sese): Moved.
        (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
        outermost_loop_in_scop, build_scop_iteration_domain,
        expand_scalar_variables_ssa_name, get_vdef_before_scop,
        limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
        Use loop_in_sese_p instead of loop_in_scop_p.
        (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
        (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
        (scopdet_basic_block_info): Fix bug in scop detection.
        (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
        eq_loop_to_cloog_loop): Remove.
        (nb_loops_around_loop_in_scop, nb_loop
        ref_nb_loops): Moved here...
        * graphite.h (ref_nb_loops): ... from here.
        (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
        (loop_domain_dim, loop_iteration_vector_dim): Remove.
        (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
        * testsuite/gcc.dg/graphite/scop-19.c: New

2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
            Hans-Peter Nilsson  <hp@axis.com>

        PR rtl-optimization/37889
        * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
        Move offset handling from PLUS to before the switch.  Use new
        arguments when considering SYMBOL_REFs too.
        (rtx_addr_can_trap_p): Pass dummy offset and size.
        (enum may_trap_p_flags): Remove.
        (may_trap_p_1): Pass size from MEM_SIZE.

        PR rtl-optimization/38921
        * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
        * rtl.h (may_trap_after_code_motion_p): Delete prototype.
        * rtlanal.c (may_trap_after_code_motion_p): Delete.
        (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.

2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>

        AVX Programming Reference (January, 2009)
        * config/i386/sse.md (*vpclmulqdq): New.

2009-02-04  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/38977
        PR gcov-profile/38292
        * calls.c (special_function_p): Disregard __builtin_ prefix.

2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
        non-indexable addresses even before reload.

2009-02-03  Joseph Myers  <joseph@codesourcery.com>

        PR c/29129
        * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
        as having variable size.  Do not give an error for unnamed
        parameters with [*] declarators.  Give a warning for type names
        with [*] declarators and mark them as variable size.
        * c-parser.c (c_parser_sizeof_expression): Do not give an error
        for sizeof applied to [*] type names.

2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR C++/36607
        * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.

2009-02-03  Jakub Jelinek  <jakub@redhat.com>

        * gcc.c (process_command): Update copyright notice dates.
        * gcov.c (print_version): Likewise.
        * gcov-dump.c (print_version): Likewise.
        * mips-tfile.c (main): Likewise.
        * mips-tdump.c (main): Likewise.

2009-02-03  Joseph Myers  <joseph@codesourcery.com>

        PR c/35433
        * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
        for composite type involving a zero-length array type.

2009-02-03  Jakub Jelinek  <jakub@redhat.com>

        PR target/35318
        * function.c (match_asm_constraints_1): Skip over
        initial optional % in the constraint.

        PR inline-asm/39059
        * c-parser.c (c_parser_postfix_expression): If fixed point is not
        supported, don't accept FIXED_CSTs.
        * c-decl.c (finish_declspecs): Error if fixed point is not supported
        and _Sat is used without _Fract/_Accum.  Set specs->type to
        integer_type_node for cts_fract/cts_accum if fixed point is not
        supported.

2009-02-02  Catherine Moore  <clm@codesourcery.com>

        * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.

2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
        (ABI_HAS_64BIT_SYMBOLS): Use it.
        (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.

2009-02-02  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.

2009-02-02  Jakub Jelinek  <jakub@redhat.com>

        PR inline-asm/39058
        * recog.h (asm_operand_ok): Add constraints argument.
        * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
        recurse on matching constraint.
        (check_asm_operands): Pass constraints as 3rd argument to
        asm_operand_ok.  Don't look up matching constraint here.
        * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
        to asm_operand_ok.

2009-02-02  Ben Elliston  <bje@au.ibm.com>

        * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
        TARGET_NARROW_VOLATILE_BITFIELD macro names.

2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
        information.  Remove some obsolete information.  Reorganize.

        * config/pa/fptr.c: Revert license to GPL 2.
        * config/pa/milli64.S: Likewise.

2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR target/38904
        * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
        LIBRARY name in, instead of hard-coding it.
        * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
        extra target make frag to tmake_files according to EH model.
        (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
        * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
        frags that define makefile variable EH_MODEL appropriately.
        * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
        * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
        to "-sjlj" according to type of EH configured.
        (LIBGCC_SONAME):  Concatenate it to shared library base name.
        * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
        to "_sjlj" according to type of EH configured.
        (LIBGCC_SONAME):  Concatenate it to shared library base name.
        * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
        (SHLIB_LINK):  Add missing semicolon to if-else construct.
        (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
        string value of "pe_dll" command-line option.
        * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
        (SHLIB_SONAME):  Use it when overriding t-cygming default.
        (SHLIB_IMPLIB):  Override t-cygming default.
        (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
        string value of "pe_dll" command-line option.

2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR target/38952
        * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
        (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.

2009-01-31  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38937
        * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
        computing the transitive closure.

2009-01-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39041
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
        Propagate variable indices only if the types match for this stmt.

2009-01-30  Jakub Jelinek  <jakub@redhat.com>

        PR target/39013
        * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
        inline but never defined.

2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>

        * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
        (*insv_h_di_reg_extimm): New insn.
        (*insv_l<mode>_reg_extimm): New insn.

2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c (flag_conserve_stack): set
        PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
        fconserve-stack. Reduce call-overhead used by inliner.

2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>

        PR/38157
        * common.opt (flag_conserve_stack): Initialised to zero.

2009-01-30  Kai Tietz  <kai.tietz@onevision.com>

        PR/39002
        * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
        (ix86_expand_epilogue): Take nsseregs in account to use proper restore
        method.

2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>

        * ira-color.c (allocno_reload_assign): Update comments.
        * regmove.c (regmove_optimize): Likewise.

        * ra.h: Removed.

2009-01-29  Robert Millan  <rmh@aybabtu.com>

        * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
        * config/i386/kopensolaris-gnu.h: New file.  Undefine
        `MD_UNWIND_SUPPORT'.
        * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).

2009-01-29  Kazu Hirata  <kazu@codesourcery.com>

        PR tree-optimization/39007
        * tree-loop-distribution.c (generate_builtin): Use
        recompute_dominator to compute the immediate dominator of the
        basic block just after the loop.

2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
        (ASM_OUTPUT_DWARF_PCREL): Define.

2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>

        * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
        * doc/passes.texi: Remove entries about regclass, local-alloc, and
        global.  Modify entries about regmove and IRA.

        * ra-conflict.c: Remove the file.

        * reload.c (push_reload, find_dummy_reload): Remove flag_ira.

        * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
        (pass_regclass_init): Rename to pass_reginfo_init.

        * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.

        * toplev.h (flag_ira): Remove.

        * caller-save.c (setup_save_areas): Remove flag_ira.

        * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.

        * global.c: Remove the file.

        * opts.c (decode_options): Remove flag_ira.

        * hard-reg-set.h (losing_caller_save_reg_set): Remove.

        * regmove.c: Modify file description.
        (find_use_as_address, try_auto_increment): Define them only if
        AUTO_INC_DEC is defined.
        (replacement_quality, replace_in_call_usage, fixup_match_1,
        stable_and_no_regs_but_for_p): Remove.
        (reg_set_in_bb): Make it static.
        (regmove_optimize): Remove flag_ira and code which worked for
        !flag_ira.

        * local-alloc.c: Remove the file.

        * common.opt (fira): Remove.

        * ira.c: Include except.h.
        (eliminable_regset): Move from global.c.
        (mark_elimination): Ditto.  Remove flag_ira.
        (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
        equiv_mem_modified, validate_equiv_mem_from_store,
        validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
        contains_replace_regs, memref_referenced_p, memref_used_between_p,
        no_equiv, recorded_label_ref): Move from local-alloc.c.
        (update_equiv_regs): Ditto.  Make it static.
        (print_insn_chain, print_insn_chains): Move it from global.c.
        (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
        (build_insn_chain): Ditto.  Make it static.
        (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
        Rename to init_live_subregs.
        (gate_ira): Remove flag_ira.

        * regclass.c: Rename reginfo.c.  Change file description.
        (FORBIDDEN_INC_DEC_CLASSES): Remove.
        (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
        (init_reg_sets_1): Remove code for evaluation of
        reg_class_superclasses and losing_caller_save_reg_set.
        (init_regs): Remove init_reg_autoinc.
        (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
        ok_for_base_p_nonstrict): Remove.
        (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
        (pass_regclass_init): Rename to pass_reginfo_init.  Modify
        corresponding entries.
        (dump_regclass, record_operand_costs, scan_one_insn,
        init_reg_autoinc, regclass, record_reg_classes, copy_cost,
        record_address_regs, auto_inc_dec_reg_p): Remove.
        (gt-regclass.h): Rename to gt-reginfo.h.

        * rtl.h (dump_global_regs, retry_global_alloc,
        build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.

        * Makefile.in (RA_H): Remove.
        (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
        Rename regclass.o to reginfo.o.
        (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
        gt-reginfo.h.
        (global.o, local-alloc.o, ra-conflict.o): Remove entries.
        (GTFILES): Rename regclass.c to reginfo.c.

        * passes.c (init_optimization_passes): Remove pass_local_alloc and
        pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.

        * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
        count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
        Remove flag_ira.
        (finish_spills): Ditto.  Remove code for !flag_ira.

2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>

        PR middle-end/35854
        * doc/invoke.texi (rtl debug options): Complete rewrite.
        * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
        to auto_inc_dec".
        * mode-switching.c (pass_mode_switching): Rename pass from
        "mode-sw" to "mode_sw".
        * except.c (pass_convert_to_eh_ranges): Rename pass from
        "eh-ranges" to "eh_ranges".
        * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
        to "subreg1".


2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
            Alexander Monakov  <amonakov@ispras.ru>

        PR middle-end/38857
        * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
        register.
        (move_exprs_to_boundary): Change return type and pass through
        should_move from move_op.  Relax assert.  Update usage ...
        (schedule_expr_on_boundary): ... here.  Use should_move instead of
        cant_move.
        (move_op_orig_expr_found): Indicate that insn was disconnected from
        stream.
        (code_motion_process_successors): Do not call after_merge_succs
        callback if original expression was not found when traversing any of
        the branches.
        (code_motion_path_driver): Change return type.  Update prototype.
        (move_op): Update comment.  Add a new parameter (should_move).  Update
        prototype.  Set *should_move based on indication provided by
        move_op_orig_expr_found.

2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>

        * doc/invoke.texi (avoid-indexed-addresses): Document new option.
        * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
        * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
        * config/rs6000/rs6000.c (rs6000_override_options): Default
        avoid-indexed-addresses on for Power6, off for everything else.
        (avoiding_indexed_address_p): New function.
        (rs6000_legitimize_address): Use it.
        (rs6000_legitimate_address): Likewise.
        * config/rs6000/rs6000.md (movXX_updateX): Likewise

2009-01-28  Kazu Hirata  <kazu@codesourcery.com>

        PR tree-optimization/38997
        * tree-loop-distribution.c (generate_memset_zero): Use
        POINTER_PLUS_EXPR for a pointer addition.

2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md (bswap<mode>2): New pattern added.

2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>

        * config/s390/s390.md (*tls_load_31): Added type attribute.

2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>

        * config/s390/s390.md: Fix a few comments.

2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>

        * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
        (*tm<mode>_full): Fixed z10prop attribute.
        (*tst<mode>_extimm): Fixed z10prop attribute.
        (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
        (*tstqiCCT_cconly): Fixed z10prop attribute.
        (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
        (*movsi_larl): Fixed z10prop attribute.
        (*movsi_zarch): Fixed z10prop attribute.
        (*movsi_eas): Fixed z10prop attribute.
        (*movhi): Fixed z10prop attribute.
        (*movqi): Fixed z10prop attribute.
        (*movstrictqi): Fixed z10prop attribute.
        (*mov<mode>): Fixed z10prop attribute.
        (*movcc): Fixed z10prop attribute.
        (*sethighpartdi_64): Fixed z10prop attribute.
        (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
        (*negdi2_sign_cc): Fixed z10prop attribute.
        (*negdi2_sign): Fixed z10prop attribute.
        (*absdi2_sign_cc): Fixed z10prop attribute.
        (*absdi2_sign): Fixed z10prop attribute.
        (*negabsdi2_sign_cc): Fixed z10prop attribute.
        (*negabsdi2_sign): Fixed z10prop attribute.
        (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
        (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
        (doloop_si64): Fixed z10prop attribute.
        (doloop_si31): Fixed z10prop attribute.
        (doloop_long): Fixed z10prop attribute.
        (indirect_jump): Fixed z10prop attribute.
        (nop): Fixed z10prop attribute.
        (main_base_64): Fixed z10prop attribute.
        (reload_base_64): Fixed z10prop attribute.

2009-01-28  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/38740
        * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
        if !optimize.
        * config/mips/mips.c (mips_reorg): Likewise.

2009-01-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38926
        * tree-ssa-pre.c (add_to_value): Assert we add only expressions
        with the correct value id to a value.
        (do_regular_insertion): Use the value number of edoubleprime
        for the value number of the expr.

        Revert
        2008-08-21  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
        a PHI ask VN if it is already available.
        * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
        * tree-ssa-sccvn.c (vn_phi_lookup): Export.

2009-01-28  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/38934
        * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
        set to varying whenever max has TREE_OVERFLOW set, similarly
        for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.

2009-01-28  Richard Guenther  <rguenther@suse.de>

        PR middle-end/38908
        * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
        uninitialized aggregate uses in call arguments.

2009-01-28  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/38984
        * tree-ssa-structalias.c (get_constraints_for_1): Do not use
        the nothing_id variable if -fno-delete-null-pointer-checks.

2009-01-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/38988
        * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
        (set_got_offset_rex64): Ditto.

2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/38941
        * doc/extend.texi: Improve local variable with asm reg.

2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>

        * c.opt (Wpacked-bitfield-compat): Change init value to -1.
        * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
        was not supplied then set warn_packed_bitfield_compat to the
        default value of 1.
        * stor-layout.c (place_field): Check warn_packed_bitfield_compat
        against 1.

2009-01-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38503
        * cfgexpand.c (expand_gimple_basic_block): Ignore
        GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
        * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
        variables that cannot have TBAA applied.
        (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
        statements.

2009-01-27  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/38969
        * calls.c (initialize_argument_information): Do not wrap complex
        arguments in SAVE_EXPR.

2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>

        * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
        (INSTALL_LIBGCC): Revert typo commit.

2009-01-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38745
        * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
        from special handling.

2009-01-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38745
        * tree-ssa.c (execute_update_addresses_taken): Do not include
        variables that cannot possibly be a register in not_reg_needs.
        Do not clear TREE_ADDRESSABLE on vars that may not become
        registers.
        * tree-ssa.c (update_alias_info_1): Include those in the set
        of addressable vars.

2009-01-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/38851
        * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
        * tree-ssa-dse.c: Include langhooks.h
        (execute_simple_dse): Remove stores with zero size.

2009-01-24  Jakub Jelinek  <jakub@redhat.com>

        PR c/38957
        * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
        as PLUS_EXPR.

2009-01-24  Julian Brown  <julian@codesourcery.com>

        * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
        config/arm/linux-atomic.c.
        * config/arm/linux-atomic.c: New.

2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
        * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
        * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.

2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>

        PR c/38938
        * c-opts.c (c_common_handle_option): Update warn_pointer_sign
        properly.

2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/38953
        * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
        (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
        (gloog): Split the exit of the scop when the scop exit is a loop exit.
        (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
        changed the CFG.

2009-01-24  Paul Brook  <paul@codesourcery.com>

        * config/arm/neon.md (neon_type): Move to arm.md.
        (neon_mov<VSTRUCT>): Add neon_type attribute.
        * config/arm/arm.md (neon_type): Move to here.
        (conds): Add "unconditioal" and use as default for NEON insns.

2009-01-24  Ben Elliston  <bje@au.ibm.com>

        * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
        void *' warning from -Wc++-compat.
        * Makefile.in (dominance.o-warn): Remove.

2009-01-23  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/38932
        * fold-const.c (fold_unary_ignore_overflow): New.
        * tree.h (fold_unary_ignore_overflow): Declare.
        * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
        * tree-ssa-sccvn.c (visit_reference_op_load,
        simplify_unary_expression): Likewise.

2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>

        * c-decl.c (finish_struct): Move code to set DECL_PACKED after
        DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
        regardless of their type.
        * c-common.c (handle_packed_attribute): Don't ignore packed on
        bitfields.
        * c.opt (Wpacked-bitfield-compat): New warning option.
        * stor-layout.c (place_field): Warn if offset of a field changed.
        * doc/extend.texi (packed): Mention the ABI change.
        * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
        (Warning Options): Add it to the list.

2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>

        * c-opts.c (c_common_post_options): Fix a typo in comments.

2009-01-22  Steve Ellcey  <sje@cup.hp.com>

        PR middle-end/38615
        * gimplify.c (gimplify_init_constructor): Fix promotion of const
        variables to static.
        * doc/invoke.texi (-fmerge-all-constants): Update description.

2009-01-22  Uros Bizjak  <ubizjak@gmail.com>

        PR target/38931
        * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
        (*movdi_1_rex64): Use type "mmx" for alternative 5.

2009-01-22  Richard Earnshaw  <rearnsha@arm.com>

        * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
        a word boundary.
        (LOCAL_ALIGNMENT): Similarly.

2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
        * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
        * config/arm/arm-tune.md: Regenerate.
        * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
        -march=iwmmxt2.

2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>

        * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
        version number to five.

2009-01-22  Dodji Seketeli  <dodji@redhat.com>

        PR c++/38930
        * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
        * c-common.c (set_underlying_type): Likewise.
        (is_typedef_decl ): Likewise
        * tree.h: Likewise
        (set_underlying_type): Likewise.
        (is_typedef_type): Likewise.

2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/38587
        * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
        crossing setjmps.

2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR bootstrap/37660
        * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
        (LIBGCC_SPEC):  Don't define.
        (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.

2009-01-21  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/38879
        * alias.c (base_alias_check): Unaligned access via AND address can
        alias all surrounding object types except those with sizes equal
        or wider than the size of unaligned access.

2009-01-21  Dodji Seketeli  <dodji@redhat.com>

        PR c++/26693
        * c-decl.c (clone_underlying_type): Move this ...
        * c-common.c (set_underlying_type): ... here.
        Also, make sure the function properly sets TYPE_STUB_DECL() on
        the newly created typedef variant type.
        (is_typedef_decl ): New entry point.
        * tree.h: Added a new member member_types_needing_access_check to
        struct tree_decl_non_common.
        (set_underlying_type): New entry point.
        (is_typedef_type): Likewise.

2009-01-21  Bingfeng Mei  <bmei@broadcom.com>

        * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
        Check whether two instructions have memory references that
        belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
        are helper functions for traversing.
        * alias.h (insn_alias_sets_confilict_p): New prototypes.
        * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
        not to draw dependency edge for instructions with non-conflicting
        alias sets.

2009-01-20  Joseph Myers  <joseph@codesourcery.com>

        PR other/38758
        * longlong.h: Update copyright years.  Use soft-fp license notice.
        Sync __clz_tab declaration with glibc.

2009-01-20  Steve Ellcey  <sje@cup.hp.com>

        PR target/30687
        * doc/extend.texi (syscall_linkage): New.
        (version_id): Modify.

2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38747
        PR tree-optimization/38748
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
        conversion if the base address is an indirect reference and the
        aliasing sets could cause issues.

2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>

        * common.opt (fgraphite, fgraphite-identity): Add comment for
        explaining why these options are not documented.

2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (stmt_simple_for_scop_p): Also handle cases when
        gimple_call_lhs is NULL.

2009-01-20  Paolo Bonzini  <bonzini@gnu.org>

        PR target/38868
        * emit-rtl.c (adjust_address_1): Make sure memref is never
        overwritten.

2009-01-20  Ben Elliston  <bje@au.ibm.com>

        * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
        const qualifier from arg parameter. Remove unnecessary cast to char *.
        * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
        const qualifier from arg 2.

2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>

        * config/darwin.h: Add static-libgfortran to LINK_SPEC.

2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>

        PR c/38869
        * rtl.h (reinit_regs): New prototype.
        * regclass.c: Include ira.h.
        (reinit_regs): New.
        * Makefile.in (regclass.o): Add ira.h.
        * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.

2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/38736
        * c-common.c (handle_aligned_attribute): Use
        ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
        default alignment value.

        * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.

        * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
        * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.

        * doc/extend.texi: Update __attribute__ ((aligned)).  Document
        __BIGGEST_ALIGNMENT__.

        * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.

2009-01-18  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38819
        * tree-flow.h (operation_could_trap_helper_p): Declare.
        * tree-eh.c (operation_could_trap_helper_p): Export.
        * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
        * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
        * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
        are about to insert a possibly trapping instruction and fail
        in this case.

2009-01-18  Andreas Schwab  <schwab@suse.de>

        * doc/install.texi (Configuration): Remove obsolete paragraph
        about use of --with-gnu-ld with --with-gnu-as.

2009-01-18  Kazu Hirata  <kazu@codesourcery.com>

        * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
        doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
        Follow spelling conventions.

2009-01-18  Ben Elliston  <bje@au.ibm.com>

        * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
        C++ warning about implicit conversion from void * to struct
        bitmap_head_def *.
        (bitmap_obstack_free): Likewise for bitmap_element *.
        * Makefile.in (bitmap.o-warn): Remove.

2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>

        * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.

2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <tobi.grosser@amd.com>

        * graphite.c (graphite_trans_scop_block): Do not block single
        nested loops.

2009-01-16  Alexandre Oliva  <aoliva@redhat.com>

        * ebitmap.h (ebitmap_iter_init): Initialize all fields.
        * ipa-struct-reorg.c (gen_struct_type): Replace known-true
        test with assertion.

2009-01-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38835
        PR middle-end/36227
        * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
        and INT + PTR -> (INT)(PTR p+ INT) folding.
        * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.

2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>

        PR target/38554
        * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
        the subreg from a lowpart subreg if it is also casting the value.

2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <tobi.grosser@amd.com>

        * graphite.c (compare_prefix_loops): New.
        (build_scop_canonical_schedules): Rewritten.
        (graphite_transform_loops): Move build_scop_canonical_schedules
        after build_scop_iteration_domain.

2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <tobi.grosser@amd.com>

        * graphite.c (add_conditions_to_domain): Add the loops to
        the dimension of the iteration domain.  Do copy the domain
        only when it exists.
        (build_scop_conditions_1): Do not call add_conditions_to_domain.
        (add_conditions_to_constraints): New.
        (can_generate_code_stmt, can_generate_code): Removed.
        (gloog): Do not call can_generate_code.
        (graphite_transform_loops): Call add_conditions_to_constraints
        after building the iteration domain.

2009-01-16  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/38789
        * tree-ssa-threadedge.c
        (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
        __builtin_constant_p.

2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * dce.c (delete_unmarked_insns): Reversed the order that insns are
        examined before deleting them.

2009-01-16  Richard Earnshaw  <rearnsha@arm.com>

        * function.c (aggregate_value_p): Correctly extract the function
        type from CALL_EXPR_FN lookup.

2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c (picochip_override_options): Revert
        CFI asm flag disable commited previously.

2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <tobi.grosser@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        * graphite.c (scan_tree_for_params): On substractions negate
        all the coefficients of the term.
        (clast_to_gcc_expression_red): New.  Handle reduction expressions
        of more than two operands.
        (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
        (get_vdef_before_scop): Handle also the case of default definitions.

2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>

        * caller-save.c (add_used_regs_1, add_used_regs): New functions.
        (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
        Also use them when walking CALL_INSN_FUNCTION_USAGE.

2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
            Joey Ye  <joey.ye@intel.com>

        PR middle-end/37843
        * cfgexpand.c (expand_stack_alignment): Don't update stack
        boundary nor check incoming stack boundary here.
        (gimple_expand_cfg): Update stack boundary and check incoming
        stack boundary here.

2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.

2009-01-14  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/38245
        * calls.c (expand_call): Add stack arguments to
        CALL_INSN_FUNCTION_USAGE even for pure calls (when
        ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
        in regs and partially in memory or BLKmode arguments.
        (emit_library_call_value_1): Add stack arguments to
        CALL_INSN_FUNCTION_USAGE even for pure calls (when
        ACCUMULATE_OUTGOING_ARGS).
        * dce.c: Include tm_p.h.
        (find_call_stack_args): New function.
        (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
        argument.
        (mark_insn): Call find_call_stack_args for CALL_Ps.
        (prescan_insns_for_dce): Walk insns backwards in bb rather than
        forwards.  Allocate and free arg_stores bitmap if needed, pass it
        down to deletable_insn_p, don't mark stores set in arg_stores
        bitmap, clear the bitmap at the beginning of each bb.
        * Makefile.in (dce.o): Depend on $(TM_P_H).

2009-01-14  Michael Meissner  <gnu@the-meissners.org>

        PR target/22599
        * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
        to make sure the insn is a conditional test (bug 22599).  Reformat a
        few long lines.

2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/38431
        * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
        (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
        (gloog): Do not call cleanup_tree_cfg.
        (graphite_transform_loops): Call cleanup_tree_cfg after all
        scops have been code generated.

2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
        * doc/gty.texi (Invoking the garbage collector): Added new node
        and section documenting ggc_collect.

2009-01-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38826
        PR middle-end/38477
        * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
        initialization notes only if we actually emitted a warning.
        (intra_create_variable_infos): Add constraints for a result decl
        that is passed by hidden reference.
        (build_pred_graph): Mark all related variables non-direct on
        address-taking.

2009-01-14  Nick Clifton  <nickc@redhat.com>

        * ira-conflicts.c: Include addresses.h for the definition of
        base_reg_class.
        (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
        * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.

2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/38811
        * Makefile.in (ira-lives.o): Add except.h.

        * ira-lives.c: Include except.h.
        (process_bb_node_lives): Process can_throw_internal.

2009-01-13  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/38774
        * combine.c (simplify_set): When undoing cc_use change, don't do
        PUT_CODE on the newly created comparison, but instead put back the
        old comparison.

2009-01-13  Joseph Myers  <joseph@codesourcery.com>

        * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
        values.  Remove duplicate arm8 entry.

2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/38786
        * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
        the SSA_NAME case of expand_scalar_variables_expr.
        Set the type of an expression to the type of its assign statement.
        (expand_scalar_variables_expr): Also gather the scalar computation
        used to index the memory access.  Do not pass loop_p.
        Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
        (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
        the gimple_stmt_iterator where it inserts new code.
        Do not pass loop_p.
        (copy_bb_and_scalar_dependences): Do not pass loop_p.
        (translate_clast): Update call to copy_bb_and_scalar_dependences.

2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.h (debug_value): Removed.
        * graphite.c (debug_value): Removed.

2009-01-13  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
        ldrd/strd with two 32-bit instructions.

2009-01-13  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/arm.c (struct processors): Pass for speed down into
        cost helper functions.
        (const_ok_for_op): Handle COMPARE and inequality nodes.
        (arm_rtx_costs_1): Rewrite.
        (arm_size_rtx_costs): Update prototype.
        (arm_rtx_costs): Pass speed down to helper functions.
        (arm_slowmul_rtx_costs): Rework cost calculations.
        (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
        (arm_9e_rtx_costs): Likewise.

2009-01-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
        relocations of local symbols wider than UNITS_PER_WORD are not valid.
        (alpha_legitimize_address): Do not split local symbols wider than
        UNITS_PER_WORD into HIGH/LO_SUM parts.

2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>

        PR bootstrap/38580
        * gcc.c (process_command): Replace call to execvp with calls
        to pex_one and exit.

2009-01-03  Anatoly Sokolov  <aesok@post.ru>

        PR target/29141
        * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
        * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
        variant for devices with 3-byte PC.
        (__tablejump_elpm__): New.

2009-01-12  Jakub Jelinek  <jakub@redhat.com>

        PR c/32041
        * c-parser.c (c_parser_postfix_expression): Allow `->' in
        offsetof member-designator, handle it as `[0].'.

2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
        function when not using named sections on targets with named sections
        if branch distance is less than 262132.

2009-01-12  Richard Earnshaw  <rearnsha@arm.com>

        * combine.c (combine_instructions):  Recompute
        optimize_this_for_speed_p  for each BB in the main combine loop.

2009-01-12  Tomas Bily  <tbily@suse.cz>

        PR middlend/38385
        * tree-loop-distribution.c (prop_phis): New function.
        (generate_builtin): Call prop_phis.
        * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.

2009-01-12  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/38807
        * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
        gimple_visited_p unless stmt is GIMPLE_ASSIGN.

2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>

        * expmed.c (store_bit_field_1): Properly truncate the paradoxical
        subreg of op0 to the original op0.

2009-01-11  Laurent GUERBY  <laurent@guerby.net>

        * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.

2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>

        PR debug/7055
        * mips-tfile.c (parse_def): Fix parsing of def strings
        starting with digits.

2009-01-10  Jakub Jelinek  <jakub@redhat.com>

        PR target/38695
        * config/arm/arm.c (arm_is_long_call_p): Don't call
        arm_function_in_section_p if decl isn't a FUNCTION_DECL.

2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>

        * regrename.c (regrename_optimize): Fix dumping.
        (find_oldest_value_reg): Preserve REG_POINTER.
        (copy_hardreg_forward_1): Likewise.

2009-01-09  Diego Novillo  <dnovillo@google.com>

        * gimple.h (struct gimple_statement_base) <uid>: Document
        the restrictions on its use.
        (gimple_uid): Tidy.
        (gimple_set_uid): Tidy.

2009-01-09  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
        zero guard even if align_bytes != 0 and count is smaller than
        size_needed.

2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/38495
        * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
        (add_range_and_copies_from_move_list): Print all added ranges.
        Add ranges to memory optimized destination.

2009-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR target/38686
        PR target/38708
        * config/i386/i386.c (override_options): Reject
        -mstringop-strategy=rep_8byte with -m32.
        (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
        to 1.  Do count comparison against epilogue_size_needed at compile
        time even when count_exp was constant forced into register.  For
        size_needed don't jump to epilogue, instead just avoid aligning
        and invoke the body algorithm.  If need_zero_guard, add zero guard
        even if count is non-zero, but smaller than size_needed + number of
        bytes that could be stored for alignment.
        (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
        to 1.  If need_zero_guard, add zero guard even if count is non-zero,
        but smaller than size_needed + number of bytes that could be stored
        for alignment.  Compare size_needed with epilogue_size_needed instead
        of desired_align - align, don't adjust size_needed, pass
        epilogue_size_needed to the epilogue expanders.

        PR c/35742
        * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.

2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (last_address): Change to unsigned.
        (update_total_code_bytes): Change argument to unsigned.  Don't
        check if insn addresses are set.
        (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
        addresses are not set.
        (pa_asm_output_mi_thunk): Handle wrap when updating last_address.

2009-01-09  Nick Clifton  <nickc@redhat.com>

        * config/sh/symbian.c: Replace uses of DECL_INLINE with
        DECL_DECLARED_INLINE_P.

2009-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/38347
        * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
        GET_MODE (op0) in operand_subword_force calls.

        PR middle-end/38771
        * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
        fold_convert arg0 operands to TREE_TYPE (op0) first.

2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>

        * params.def (ira-max-conflict-table-size): Decrease default value
        to 1000.

2009-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/37031
        * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
        on parameter_set.
        (build_access_matrix): Reserve correct size for AM_MATRIX vector,
        allocate it using gc instead of heap, use VEC_quick_push instead of
        VEC_safe_push.
        * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
        instead of heap, use VEC_quick_push instead of VEC_safe_push.
        * tree-data-ref.h (struct access_matrix): Change matrix to gc
        allocated vector from heap allocated.
        * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
        * tree-loop-linear.c (linear_transform_loops): Allocate nest
        vector only after perfect_loop_nest_depth call.

2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        PR tree-optimization/38559
        * graphite.c (debug_value, copy_constraint,
        swap_constraint_variables, scale_constraint_variable, ): New.
        (get_lower_bound, get_upper_bound): Removed.
        (graphite_trans_bb_strip_mine): Clean up this code that works
        only for constant number of iterations.  Fully copy upper and
        lower bound constraints, not only the constant part of them.
        * graphite.h (debug_value): Declared.

2009-01-08  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/37194
        * tree-vect-transform.c (vect_estimate_min_profitable_iters):
        Don't add the cost of cost model guard in prologue to scalar
        outside cost in case of known number of iterations.

2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
            Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
        non-word-aligned REG+CONST addressing.

2009-01-07  Uros Bizjak  <ubizjak@gmail.com>

        PR target/38706
        * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
        free_after_compilation when outputting a thunk.
        (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
        Do not call free_after_compilation here.

2009-01-07  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
        (ix86_valid_target_attribute_inner_p): Ditto.

2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>

        PR tree-optimization/38492
        PR tree-optimization/38498
        * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
        * tree-chrec.h (scev_is_linear_expression): Declared.
        * graphite.c (graphite_cannot_represent_loop_niter): New.
        (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
        (graphite_loop_normal_form): Use gcc_assert.
        (scan_tree_for_params): Use CASE_CONVERT.
        (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
        (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
        Use gcc_assert.  Discard scops that contain unhandled cases.
        (build_scop_conditions): Return a boolean status for unhandled cases.
        (strip_mine_profitable_p): Print the loop number, not its depth.
        (is_interchange_valid): Pass the depth of the loop nest, don't
        recompute it wrongly.
        (graphite_trans_bb_block): Same.
        (graphite_trans_bb_block): Print tentative of loop blocking.
        (graphite_trans_scop_block): Do not print that the loop has been
        blocked.
        (graphite_transform_loops): Do not handle scops that contain condition
        scalar phi nodes.

2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>

        AVX Programming Reference (December, 2008)
        * config/i386/avxintrin.h (_mm256_stream_si256): New.
        (_mm256_stream_pd): Likewise.
        (_mm256_stream_ps): Likewise.

        * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
        IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
        (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
        (bdesc_special_args): Add __builtin_ia32_movntdq256,
        __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
        (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
        (ix86_expand_special_args_builtin): Likewise.

        * config/i386/sse.md (AVXMODEDI): New.
        (avx_movnt<mode>): Likewise.
        (avx_movnt<mode>): Likewise.
        (<sse>_movnt<mode>): Remove AVX support.
        (sse2_movntv2di): Likewise.

2009-01-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/38751
        * fold-const.c (extract_muldiv): Remove obsolete comment.
        (fold_plusminus_mult_expr): Undo MINUS_EXPR
        to PLUS_EXPR canonicalization for the canonicalization.

2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
        hosted cross-compilers generating less efficient code.

2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>

        * function.h (rtl_data): Add a dbr_scheduled_p field.
        * reorg.c (dbr_schedule): Set it.
        (gate_handle_delay_slots): Check it.
        * config/mips/mips.c (mips_base_delayed_branch): Delete.
        (mips_reorg): Check flag_delayed_branch instead of
        mips_base_delayed_branch.
        (mips_override_options): Don't set mips_base_delayed_branch
        or flag_delayed_branch.

2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>

        PR rtl-optimization/38426.
        * ira.c (ira): Set current_function_is_leaf earlier.

2009-01-06  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/38722
        * combine.c (try_combine): Don't modify PATTERN (i3) and notes
        too early, only set a flag and modify after last possible
        undo_all point.

2009-01-06  Janis Johnson  <janis187@us.ibm.com>

        PR c/34252
        * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
        * real.c (decimal_single_format): Correct values of emin and emax.
        (decimal_double_format): Ditto.
        (decimal_quad_format): Ditto.
        * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
        computation of DECnn_MIN and DECnn_MAX for corrected values of
        emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
        __DECnn_MIN__, and adjust its computation for the corrected value
        of emin.

2009-01-06  Jan Hubicka  <jh@suse.cz>

        PR target/38744
        * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.

2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi (Contributors): Slightly adjust the end note.
        Add Robert Clark to the list of testers.

2009-01-06  Jan Hubicka  <jh@suse.cz>
            Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
        * config/i386/i386.c (ix86_expand_call): Add clobbers.

2009-01-06  Jan Hubicka  <jh@suse.cz>
            Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
        for w64 ABI.
        * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
        (ix86_nsaved_regs): Count only general purpose regs.
        (ix86_nsaved_sseregs): New.
        (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
        to 16 for w64; compute padding and size of sse reg save area.
        (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
        general purpose regs.
        (ix86_emit_save_sse_regs_using_mov): New.
        (ix86_expand_prologue): Save SSE regs if needed.
        (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
        (ix86_emit_restore_sse_regs_using_mov): New.
        (ix86_expand_epilogue): Save SSE regs if needed.

2009-01-06  Jan Hubicka  <jh@suse.cz>
            Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
        * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
        functions when accumulate outgoing args is off.

2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/38742
        * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
        before using pseudos_have_intersected_live_ranges_p.

        * ira-int.h (ira_assert): Always define.

2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>

        AVX Programming Reference (December, 2008)
        * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
        (_mm256_permute2_pd): Likewise.
        (_mm_permute2_ps): Likewise.
        (_mm256_permute2_ps): Likewise.
        * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
        * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.

        * config/i386/i386.c (ix86_builtins): Remove
        IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
        IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
        (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
        V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
        and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
        (bdesc_args): Remove __builtin_ia32_vpermil2pd,
        __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
        __builtin_ia32_vpermil2ps256.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Likewise.

2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (output_call): Relocate non-jump insns in the delay slot of
        long absolute calls when generating PA 2.0 code.

2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/38583
        * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.

        * params.def (ira-max-conflict-table-size): New.

        * doc/invoke.texi (ira-max-conflict-table-size): Decribe.

        * ira.h (ira_conflicts_p): New external definition.

        * ira-conflicts.c (build_conflict_bit_table): Do not build too big
        table.  Report this.  Return result of building.
        (ira_build_conflicts): Use ira_conflicts_p.  Check result of
        building conflict table.

        * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
        (ira_color): Use ira_conflicts_p.

        * global.c: Include ira.h.
        (pseudo_for_reload_consideration_p, build_insn_chain): Use
        ira_conflicts_p.

        * Makefile.in (global.o): Add ira.h.

        * ira-build.c (mark_all_loops_for_removal,
        propagate_some_info_from_allocno): New.
        (remove_unnecessary_allocnos): Call
        propagate_some_info_from_allocno.
        (remove_low_level_allocnos): New.
        (remove_unnecessary_regions): Add parameter.  Call
        mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
        parameter to remove_unnecessary_regions.
        (ira_build): Remove all regions but root if the conflict table was
        not built.  Update conflict hard regs for allocnos crossing calls.

        * ira.c (ira_conflicts_p): New global.
        (ira): Define and use ira_conflicts_p.

        * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
        count_spilled_pseudo, find_reg, alter_reg, finish_spills,
        emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.

2009-01-06  Ben Elliston  <bje@au.ibm.com>

        * gengtype-lex.l (YY_NO_INPUT): Define.

2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR c/34911
        * c-common.c (handle_vector_size_attribute): Also reject
        BOOLEAN_TYPE types.

2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/38492
        * graphite.c (rename_map_elt, debug_rename_elt,
        debug_rename_map_1, debug_rename_map, new_rename_map_elt,
        rename_map_elt_info, eq_rename_map_elts,
        get_new_name_from_old_name, bb_in_sese_p): Moved around.
        (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
        (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
        (sese_build_livein_liveouts): New.
        (new_sese, free_sese): New.
        (new_scop): Call new_sese.
        (free_scop): Call free_sese.
        (rename_variables_from_edge, rename_phis_end_scop): Removed.
        (register_old_new_names): Renamed register_old_and_new_names.
        (register_scop_liveout_renames, add_loop_exit_phis,
        insert_loop_close_phis, struct igp,
        default_liveout_before_guard, add_guard_exit_phis,
        insert_guard_phis, copy_renames): New.
        (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
        (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
        (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
        (scop_adjust_phis_for_liveouts): New.
        (gloog): Call scop_adjust_phis_for_liveouts.

        * graphite.h (struct sese): Documented.  Added fields liveout,
        num_ver and livein.
        (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
        (new_sese, free_sese, sese_build_livein_liveouts): Declared.
        (struct scop): Added field liveout_renames.
        (SCOP_LIVEOUT_RENAMES): New.

2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>

        PR tree-optimization/38510
        * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
        (translate_clast): Call recompute_all_dominators before
        graphite_verify.
        (gloog): Call recompute_all_dominators before graphite_verify.

2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        PR tree-optimization/38500
        * graphite.c (create_sese_edges): Call fix_loop_structure after
        splitting blocks.

2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>

        * config.gcc: Add m32r*-*-rtems*.
        * config/m32r/rtems.h: New file.

2009-01-05  Ben Elliston  <bje@au.ibm.com>

        * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
        (.po.pox): Likewise.
        (po/gcc.pot): Likewise.

2009-01-04  David S. Miller  <davem@davemloft.net>

        * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
        (STARTING_FRAME_OFFSET): Always set to zero.

2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>

        * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
        * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
        fixed-point types, and vectors of the same.

2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/sync.md (*mb_barrier): Rename to...
        (*memory_barrier): ...this.

2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>

        * doc/extend.texi (Function Attributes): Move @cindex after @item
        for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
        and put in alphabetical order. Fix 'target' name and put in order.
        * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
        typos.

2009-01-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
        (memory_barrier): Expand as unspec instead of unspec_volatile.
        Remove mem:BLK from insn operands.  Use Pmode scratch register.
        (*memory_barrier): Define as unspec instead of unspec_volatile.
        Use (match_dup 0) as input operand.

        * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
        * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
        unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
        scratch register.  Remove operand 1.
        (*stbar): Define as unspec instead of unspec_volatile.
        Use (match_dup 0) as input operand, remove (const_int 8).
        (*membar): Define as unspec instead of unspec_volatile.
        Use (match_dup 0) as input operand, remove input operand 2.

        * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
        (memory_barrier): Expand as unspec instead of unspec_volatile.
        Remove mem:BLK from insn operands.  Use Pmode scratch register.
        (*memory_barrier): Define as unspec instead of unspec_volatile.
        Use (match_dup 0) as input operand.

        * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
        Remove mem:BLK from insn operands.  Use Pmode scratch register.
        Set volatile flag on operand 0.
        (*memory_barrier): New insn pattern.

        * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
        insn operands.
        (*memory_barrier): Use (match_dup 0) as input operand.

        * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
        Remove mem:BLK from insn operands.  Use Pmode scratch register.
        Set volatile flag on operand 0.
        (*mb_internal): New insn pattern.

        * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.

2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>

        PR middle-end/38586
        * function.c (struct temp_slot): Move to the section of the file
        that deals with temp slots.  Remove field 'address'.
        (temp_slot_address_table): New hash table of address -> temp slot.
        (struct temp_slot_address_entry): New struct, items for the table.
        (temp_slot_address_compute_hash, temp_slot_address_hash,
        temp_slot_address_eq, insert_temp_slot_address): Support functions
        for the new table.
        (find_temp_slot_from_address): Rewrite to use the new hash table.
        (remove_unused_temp_slot_addresses): Remove addresses of temp
        slots that have been made available.
        (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
        worker function for remove_unused_temp_slot_addresses.
        (assign_stack_temp_for_type): Don't clear the temp slot address list.
        Add the temp slot address to the address -> temp slot map.
        (update_temp_slot_address): Update via insert_temp_slot_address.
        (free_temp_slots): Call remove_unused_temp_slot_addresses.
        (pop_temp_slots): Likewise.
        (init_temp_slots): Allocate the address -> temp slot map, or empty
        the map if it is already allocated.
        (prepare_function_start): Initialize temp slot processing.

2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>

        PR middle-end/38584
        * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
        Calculate the size of all stack vars assuming no packing of stack
        vars will happen, replacing a quadratic algorithm with a linear one.

2009-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR target/38707
        * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
        can't be used.

2009-01-03  Diego Novillo  <dnovillo@google.com>

        * doc/contrib.texi: Update contributions.

2009-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR c++/38705
        * builtins.c (fold_builtin_memory_op): Give up if either operand
        is volatile.  Set srctype or desttype to non-qualified version
        of the other type.

        PR c/38700
        * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
        and FUNCTION_DECLs.

2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>

        PR rtl-optimization/35805
        * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
        problem if fast dce is able to remove any instructions.
        * dce.c (dce_process_block): Fix dump message.

2009-01-02  Mark Mitchell  <mark@codesourcery.com>

        PR 33649
        * tree-ssa-pre.c (compute_antic): Correct loop bounds.

2009-01-02  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/38690
        * tree-flow.h (op_code_prio, op_prio): New prototypes.
        * tree-pretty-print.c (op_code_prio): New function.
        (op_prio): No longer static.  Use op_code_prio.
        * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
        Use op_prio and op_code_prio to determine if () should be
        printed around operand(s) or not.

        * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
        dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
        dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
        dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
        pp_character instead of pp_string for single letter printing.

2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/extend.texi: Fix '#pragma GCC option' typo.

2009-01-02  Richard Guenther  <rguenther@suse.de>

        * doc/install.texi (--enable-checking): Mention different
        default for stage1.
        (--enable-stage1-checking): Document.

2009-01-01  Andrew Pinski  <pinskia@gmail.com>

        PR middle-end/30142
        * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
        case to be an error.

2009-01-02  Ben Elliston  <bje@au.ibm.com>

        * config/fp-bit.h (pack_d): Constify argument.
        * config/fp-bit.c (makenan): Constify return type. Remove casts.
        (isnan): Constify argument.
        (isinf): Likewise.
        (iszero): Likewise.
        (pack_d): Likewise.
        (_fpadd_parts): Constify return type.
        (_fpmul_parts): Likewise.
        (_fpdiv_parts): Likewise.

2009-01-01  Jakub Jelinek  <jakub@redhat.com>

        PR c/36489
        * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
        warn about overwriting initializer with side-effects or
        -Woverride-init if !IMPLICIT.
        (output_init_element): Likewise.  Pass IMPLICIT down to
        add_pending_init.
        (process_init_element): Add IMPLICIT argument.  Pass it down
        to output_init_element.
        (push_init_element, pop_init_level, set_designator): Adjust
        process_init_element callers.
        (set_nonincremental_init, set_nonincremental_init_from_string):
        Adjust add_pending_init callers.
        (output_pending_init_elements): Adjust output_init_element callers.
        * c-tree.h (process_init_element): Adjust prototype.
        * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
        process_init_element callers.

\f
Copyright (C) 2009 Free Software Foundation, Inc.

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