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

2004-08-31  Richard Sandiford  <rsandifo@redhat.com>

        * read-rtl.c: Disable RTL checking.
        (apply_macro_to_rtx): Use XTMPL to access 'T' fields.

2004-08-31  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (fcond): New code macro and attribute.
        (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
        (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
        (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.

2004-08-30  Mark Mitchell  <mark@codesourcery.com>

        Revert:
        2004-08-29  Mark Mitchell  <mark@codesourcery.com>
        PR rtl-optimization/16590
        * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.

2004-08-30  Andrew Pinski  <apinski@apple.com>

        * hard-reg-set.h: 
        s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
        * ChangeLog: Fix previous ChangeLog entry.

        PR rtl-opt/13987
        * config.host (use_long_long_for_widest_fast_int): New, default is 
        off.
        (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
        * configure.ac: If use_long_long_for_widest_fast_int, then
        define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
        * configure: Regenerate.
        * config.in: Regenerate.
        * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
        New: widest integer type supported efficiently in hardware for the
        host.
        * sbitmap.h (SBITMAP_ELT_BITS): Define based on
        HOST_BITS_PER_WIDEST_FAST_INT.
        (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
        * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on 
        HOST_WIDEST_FAST_INT
        instead of HOST_WIDE_INT.
        (HARD_REG_SET_LONGS): Likewise.
        (UHOST_BITS_PER_WIDE_INT): Likewise.
        Change the checks for the fast cases to be based on
        HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.

2004-08-30  Steven Bosscher  <stevenb@suse.de>

        * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
        not the pointers.

2004-08-30  Geoffrey Keating  <geoffk@apple.com>

        PR 12738
        PR 17205
        Radar 3460526
        Radar 3775729
        * c-decl.c (grokdeclarator): Produce error for 'static' on local
        function declaration.

2004-08-30  Richard Henderson  <rth@redhat.com>

        * expr.c (array_ref_element_size): Force aligned_size back to
        sizetype.
        (component_ref_field_offset): Similarly for aligned_offset.
        * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
        low-bound, element-size, field-offset fields rather than
        computed values.

2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
        redundant code.

2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (struct language_function): Add arg_info element.
        * c-decl.c (current_function_arg_info): New.
        (grokdeclarator, store_parm_decls): Use it instead of
        DECL_ARGUMENTS.
        (c_push_function_context, c_pop_function_context): Save and
        restore it.

2004-08-30  Richard Henderson  <rth@redhat.com>

        * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a 
        COMPONENT_REF to pointer arithmetic.
        * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
        constant "c" as a valid constant initializer.  Allow narrowing of
        differences against the same base object, for any base object.

2004-08-30  Richard Henderson  <rth@redhat.com>

        * expr.c (expand_expr_addr_expr): New.
        (expand_expr_real_1) <case ADDR_EXPR>: Use it.

2004-08-30  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
        (mips_fp_condition): New enum.
        (mips_fp_conditions): New array.
        (print_fcc_operand): Delete.
        (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
        the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
        (builtin_description): Add "cond" field.
        (DIRECT_BUILTIN): Initialize it.
        (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
        into INSN and CODE.  Initialize the "cond" field.
        (CMP_BUILTINS): Update accordingly.
        (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
        (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
        mips_fp_condition as argument.  Make it the final operand of the
        comparison instruction.
        (mips_expand_builtin): Update accordingly.
        * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
        (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
        the gaps.
        * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
        Don't use the 'Q' operand prefix; just print the operand normally.
        (mips_cabs_*, mips_c_*): Delete, replacing with...
        (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
        patterns.  Split the 4s versions into 2 ps patterns after reload.

2004-08-30  Richard Henderson  <rth@redhat.com>

        * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
        assuming an ADDR_EXPR is non-null.

2004-08-30  Jason Merrill  <jason@redhat.com>

        * gthr-posix.h, gthr-dce.h: Add #pragma weaks.

2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>

        * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
        * gcov.c (abort): Remove undef.

        * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
        (struct tree_binfo): Remove primary field.

2004-08-30  Paolo Bonzini  <bonzini@gnu.org>

        * fixinc/Makefile.in (machname.h): Remove.
        (fixincl.x): Do not pass $@ to genfixes.
        * fixinc/genfixes: Remove code to produce machname.h.
        * fixinc/fixincl.sh: Move it here instead.
        * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
        instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
        return a bool indicating whether pz_mn_name_pat is NULL.
        * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
        Declare extern C variables for the ENV_TABLE.
        * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
        instead use the result of mn_get_regexps.
        * fixinc/fixtests.c: Likewise.

2004-08-30  Paolo Bonzini  <bonzini@gnu.org>

        * configure.ac: Do not run fixincludes after stage1 during
        toplevel bootstrap.
        * configure: Regenerate.

2004-08-30  Richard Earnshaw  <rearnsha@arm.com>

        * sched-deps.c (get_condition): Partially revert previous, by never
        trying to extract the condition from a condjump.

2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>

        * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
        (handle_visibility_attribute, c_determine_visibility): Likewise.
        * c-common.h (my_friendly_assert): Remove.

2004-08-30  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
        (UNSPEC_{RSQRT,RECIP}[12]): New constants.
        (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
        * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
        (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.

2004-08-30  Diego Novillo  <dnovillo@redhat.com>

        * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
        in COMPONENT_REF nodes.

2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        PR c++/15378
        * c-opts.c (c_common_handle_option): <case OPT_Werror> set
        global_dc->warning_as_error_requested.
        * diagnostic.c (diagnostic_initialize): Tidy.
        * diagnostic.h (diagnostic_context::x_data): Remove
        (diagnostic_context::issue_warnings_are_errors_message): Rename
        from warnings_are_errors_message.
        (diagnostic_context::warning_as_error_requested): New.

2004-08-30  Richard Earnshaw  <rearnsha@arm.com>

        * sched-deps.c (get_condition): Fix breakage in previous patch.

2004-08-30  Paul Brook  <paul@codesourcery.com>

        * doc/install.texi: Fix broken mpfr link.

2004-08-29  David O'Brien  <obrien@FreeBSD.org>

        * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
        other FreeBSD platforms.

2004-08-29  Richard Earnshaw  <rearnsha@arm.com>

        * arm.h (REVERSE_CONDITION): Define.
        (REVERSIBLE_CC_MODE): All comparisons are now reversible.

2004-08-29  Richard Earnshaw  <rearnsha@arm.com>

        * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
        just the codes, call reversed_comparison_code ().
        (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
        (not_reg_cond): Use reversed_comparison_code.
        (and_reg_cond): Likewise.
        * ifcvt.c (cond_exec_process_if_block): Likewise.
        * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.

2004-08-29  Richard Earnshaw  <rearnsha@arm.com>

        * sched-deps.c (get_condition): Rewrite using jump support functions.
        Use reversed_comparison_code.
        (conditions_mutex_p): Use reversed_comparison_code.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (override_options): Disable hot/cold partitioning
        for MIPS16.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
        (mips_function_type): Move to mips.c.
        * config/mips/mips.c (mips_builtin_type): New enum.
        (builtin_description): Replace code and ftype with builtin_type
        and function_type.
        (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
        (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
        (CODE_FOR_mips_abs_ps): Define.
        (mips_bdesc): Use new macros.
        (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
        (mips_init_builtins): Use the mips_bdesc[] index as the function code.
        (mips_expand_builtin_direct): New function.
        (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
        builtin.  Replace boolean parameter with builtin_type.
        (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
        (mips_expand_4s_compare_builtin): Delete, replacing with...
        (mips_expand_builtin_compare): ...this new function.

2004-08-29  Mark Mitchell  <mark@codesourcery.com>

        PR rtl-optimization/16590
        * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.

2004-08-29  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
        * tree-ssa-propagate.c: Fix documentation.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
        (mov[sd]fcc): Likewise.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (divide_condition): New mode attribute.
        (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
        (sqrt[sd]f3): Redefine using SCALARF.
        (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
        patterns.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (ANYF, SCALARF): New mode macros.
        (loadx, storex, fmt, UNITMODE): New mode attributes.
        (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
        (mul[sd]f3): Redefine using :SCALARF.
        (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
        (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
        (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
        Check TARGET_FUSED_MADD for V2SF too.
        (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
        were already named.
        (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
        (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
        V2SF_type_node if it will be needed.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
        * config/mips/mips.c (mips_prepare_builtin_arg): New function.
        (mips_prepare_builtin_target): New function.
        (mips_expand_builtin): Use them.  Update calls to subroutines.
        (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
        cmp_choice with a boolean argument to select between movt and movf.
        Take the comparison's icode as an argument, not the function's fcode.
        (mips_expand_compare_builtin): New function.  Rename existing function
        to mips_expand_scalar_compare_builtin.
        (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
        (mips_expand_ps_compare_builtin): Use the new functions.  Take the
        comparison's icode as an argument, not the builtin's fcode.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
        (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
        registers are false and -1 if all registers are true.
        (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
        MIPS_CMP_UPPER and MIPS_CMP_LOWER.
        * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
        (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
        (bc1any2t, bc1any2f): Likewise CCV2.
        (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
        * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
        UNSPEC rather than an IF_THEN_ELSE.
        * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
        mips_cond_move_tf_ps by name.

2004-08-29  Chao-ying Fu  <fu@mips.com>
            James E Wilson  <wilson@specifixinc.com>
        
        * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
        8 byte size and alignment.  Give CCV4 16 byte size and alignment.
        * config/mips/mips-ps-3d.md: New file.
        * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
        TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
        (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
        (mips_output_move): Emit "mov.ps" for V2SFmode.
        (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
        MODE_VECTOR_FLOAT.
        (override_options): Check if TARGET_MIPS3D and there was an explicit
        !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
        Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
        TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
        TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
        and allow CCV2 and CCV4 to occupy two and four CC registers.
        (print_fcc_operand): New function.
        (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
        %Z to call print_fcc_operand.
        (mips_function_value): Handle MODE_VECTOR_FLOAT.
        (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
        (mips_vector_mode_supported_p): New function.
        (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
        (builtin_description): New struct.
        (mips_bdesc): New array of struct builtin_description.
        (mips_expand_builtin, mips_init_builtins,
        mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
        mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
        functions.
        * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
        (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
        (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
        (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
        "-mips3d", and "-mno-mips3d".
        (ASM_SPEC): Map -mips3d to -mips3d in gas.
        (EXTRA_CONSTRAINT_Y): New macro.
        (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
        multi-letter constraint 'Y'.
        (CONSTRAINT_LEN): New macro.
        (enum mips_builtins): New for MIPS builtin functions.
        (enum mips_function_type): New for the types of MIPS builtin functions.
        (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
        * config/mips/mips.md: New constants for paired single and MIPS-3D 
        instructions.  Include the new mips-ps-3d.md file.
        (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
        movv2sf_hardfloat_64bit): New named patterns.
        (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
        nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
        sdxc1_v2sf_di): New unnamed patterns.
        * config/mips/predicates.md (const_0_operand, const_1_operand): Add
        const_vector support.
        (const_0_or_1_operand): New predicate.
        * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.

2004-08-29  Diego Novillo  <dnovillo@redhat.com>

        * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
        (tree-ssa-propagate.o): New rule.
        (GTFILES): Add tree-ssa-propagate.c.
        * tree-flow.h (struct stmt_ann_d): Remove field
        in_ccp_worklist.
        * tree-ssa-propagate.c: New file.
        * tree-ssa-propagate.h: New file.
        * tree-ssa-ccp.c: Re-write to use the routines from
        tree-ssa-propagate.c.

2004-08-28  Andrew Pinski  <apinski@apple.com>

        * tree-ssa-loop.c: Remove extra include of basic-block.h.

2004-08-28  Ziemowit Laski  <zlaski@apple.com>

        * c-common.h: Update comments about ObjC/ObjC++ entry points.
        (objc_is_reserved_word): New prototype.
        (get_current_scope, objc_mark_locals_volatile): Move prototypes to
        separate section; these are call-backs.
        * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
        ObjC/ObjC++ "@" keywords.
        * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
        prototypes; they already live in c-common.h.
        * stub-objc.c: Update copyright notice.
        (objc_is_reserved_word): New stub.

2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>

        * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
        even when not checking.

2004-08-27  Jason Merrill  <jason@redhat.com>

        PR c++/13684
        * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
        (gimple_push_cleanup): Add eh_only parm.
        (gimplify_target_expr): Pass it.
        * c.opt (-fno-threadsafe-statics): New option.
        * c-opts.c (c_common_handle_option): Handle it.
        * c-common.h (flag_threadsafe_statics): Declare it.
        * c-common.c (flag_threadsafe_statics): Record it.
        * doc/invoke.texi: Document it.
        * tsystem.h (_GNU_SOURCE): Define.
        * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
        (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
        (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
        (__gthread_recursive_mutex_init_function): New fn.
        (__gthread_recursive_mutex_lock): New fn.
        (__gthread_recursive_mutex_trylock): New fn.
        (__gthread_recursive_mutex_unlock): New fn.
        * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
        * gthr-win32.h, gthr-vxworks.h: Likewise.
        * gthr.h: Document.

2004-08-27  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_override_options): Increase
        maximum skip to 15.  Set function alignment, jump alignment, and
        loop alignment to 16 for processors that form dispatch groups.
        (rs6000_rtx_costs): outer_code is used.

2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>

        * stor-layout.c (sizetype_set): Remove.
        (set_sizetype): Don't test or set it.

        * tree.h (size_int_type): Remove.
        * fold-const.c: Do not #include gt-fold-const.h.
        (size_htab_hash, size_htab_eq): Remove.
        (size_int_kind): Use build_int_cst.
        (new_const, size_htab): Remove.
        (size_int_type): Remove.
        (round_up): Use build_int_cst.
        (round_down): Likewise. Remove spurious constant build.

2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>

        * configure.ac: Add ENABLE_ASSERT_CHECKING control.
        Add is_release variable, use it for --enable-werror and
        --enable-checking defaults.
        * system.h (gcc_assert, gcc_unreachable): New.
        * doc/install.texi (--enable-checking): Update.
        * configure, config.in: Rebuilt.

2004-08-26  Richard Sandiford  <rsandifo@redhat.com>

        * rtl.h (read_rtx): Change prototype.
        * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
        line number.  Return true on success.
        * gensupport.c (process_include, init_md_reader_args_cb): Adjust
        callers accordingly.

2004-08-26  Richard Henderson  <rth@redhat.com>

        * c-typeck.c (build_offsetof): Remove.
        * c-tree.h (build_offsetof): Remove.
        * c-common.c (fold_offsetof_1, fold_offsetof): New.
        * c-common.h (fold_offsetof): Declare.
        * c-parse.in (offsetof_base): New.
        (offsetof_member_designator): Use it.  Build references, not just
        a tree list.
        (primary): Use fold_offsetof, not build_offsetof.

2004-08-26  Richard Henderson  <rth@redhat.com>

        * tree.c (staticp): Return the static object.
        * tree.h (staticp): Update decl.
        * langhooks.h (struct lang_hooks): Change staticp return type to tree.
        * langhooks.c (lhd_staticp): Return NULL_TREE.
        * langhooks-def.h (lhd_staticp): Update decl.
        * c-common.c (c_staticp): Return the static object.
        * c-common.h (c_staticp): Update decl.

2004-08-26  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
        modes.

2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/13801
        * c-decl.c (struct c_binding): Add type and inner_comp fields.
        (bind): Set type and inner_comp fields.
        (pop_scope): Restore type of decl to the correct type from an
        outer scope.  Give error when popping file scope for incomplete
        arrays completed incompatibly with default initialization in an
        inner scope.
        (diagnose_mismatched_decls): Handle externs with initializers at
        block scope.
        (pushdecl): Set type of external declaration at block scope based
        only on the visible declarations.  Save type when changing the
        type of a declaration.  Merge an external declaration at block
        scope with a visible static declaration at file scope.
        (implicitly_declare): Give recycled old declaration the new type
        except for incompatible declarations of built-in functions, saving
        the old type.

2004-08-26  Ziemowit Laski  <zlaski@apple.com>

        * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.

2004-08-26  Daniel Berlin  <dberlin@dberlin.org>

        * tree-alias-common.c (gate_pta): New function.
        (pass_build_pta): Use it.
        (pass_del_pta): Use it.
        (delete_alias_vars): Don't check flag_tree_points_to.

2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>

        * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added 
        TFmode as additional register mode cloberred by call.

2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
        parallel pattern for library call returning DImode in
        mixed mode.

2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>

        * config/rs6000/rs6000.c (function_arg): Generate parallel
        pattern for more split args.

2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
        either gen_movdi_di_update or gen_movdi_si_update depending on
        target mode.
        * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
        to generate two versions.
 
2004-08-26  Daniel Berlin  <dberlin@dberlin.org>

        * Makefile.in (lambda-code.o): New.
        (lambda-trans.o): Ditto.
        (TREE_DATA_REF_H): Ditto.
        (LAMBDA_H): Ditto.
        (lambda-mat.o): Use LAMBDA_H.
        (tree-data-ref.o): Ditto.
        * lambda-code.c: New file.  Lambda code generation algorithm.
        * lambda-trans.c: Ditto. Lambda transformation matrix support.
        * lambda.h: Add lambda loop structures.
        Add lambda loopnest structures.
        Add lambda body vector structure.
        Add lambda linear expression structures.
        Add prototypes for functions in new files.
        * lambda-mat.c: Include tree.h

2004-08-26  Daniel Berlin <dberlin@dberlin.org>
            Sebastian Pop  <pop@cri.ensmp.fr>   
        
        * tree-data-ref.h: Include lambda.h     
        (free_dependence_relation): Declared here.
        (free_dependence_relations): Ditto.     
        (free_data_refs): Ditto.
        * tree-data-ref.c (free_dependence_relation): New function.
        (free_dependence_relations): Ditto.
        (free_data_refs): Ditot.
        (analyze_all_data_dependences): Free datarefs and dependence_relations.
        (build_classic_dist_vector): Store in the dependence_relations the
        information. Each arc in the dependence_relations graph is labelled
        with the distance and direction vectors.
        (build_classic_dir_vector): Ditto.
        (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
        Now computes again the whole dependence graph including read-read
        relations.
        (compute_data_dependences_for_loop): Now dependence_relations contains
        all the data, and thus it doesn't need to initialize the classic_dir
        and classic_dist vectors.
        (analyze_all_data_dependences): Adjusted for using the new interface of
        compute_data_dependences_for_loop.  Remove the statistics dump.
        
2004-08-26  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
        (xtensa_expand_block_move): Update comment.
        (override_options): Remove initialization of xtensa_{ld,st}_opcodes.

2004-08026  Richard Earnshaw  <rearnsha@arm.com>

        PR target/13506
        * toplev.c (crash_signal): If we crashed while emitting
        a user asm, then die more gracefully.

2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        PR target/17119.
        * config/m32r.c (gen_compare): Use reg_or_int16_operand when
        checking for a valid constant, regardless of sign.

2004-08-25  Richard Henderson  <rth@redhat.com>

        PR target/16974
        * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
        if the constant satisfies add_operand.

2004-08-25  Richard Henderson  <rth@redhat.com>
 
        PR debug/10695
        * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
        (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
        unwind info for >16-bit frames.

2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>

        PR target/17171
        * config/i386/gas.h (ASM_COMMENT_START): Define to "#".

2004-08-25  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
        (TARGET_CANNOT_FORCE_CONST_MEM): New.

2004-08-25  Andrew MacLeod  <amacleod@redhat.com>

        * doc/tree-ssa.texi: Document new operand iterator.

2004-08-26  Alan Modra  <amodra@bigpond.net.au>

        PR target/16480
        * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
        on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
        as PLUS base regs.

2005-08-28  Paul Brook  <paul@codesourcery.com>

        * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
        -mfpu=vfp -march=armv5t
        * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.

2004-08-25  Richard Henderson  <rth@redhat.com>

        * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
        * target.h (struct gcc_target): Add scalar_mode_supported_p.
        * targhooks.c (default_scalar_mode_supported_p): New.
        * targhooks.h (default_scalar_mode_supported_p): Declare.
        * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.

        * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
        before attempting to create types.  Tidy.
        * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.

        * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
        (TARGET_SCALAR_MODE_SUPPORTED_P): New.

2004-08-25  Richard Henderson  <rth@redhat.com>

        * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
        set REAL_MODE_FORMAT for TFmode.

2004-08-25  Ziemowit Laski  <zlaski@apple.com>

        * c-decl.c (grokparm): New function.
        * c-tree.h (grokparm): New prototype.

2004-08-25  Andrew MacLeod  <amacleod@redhat.com>

        * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
        iterator controlling structure.
        (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
        SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
        SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
        iterator flags.
        (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
        (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
        (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
        (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
        * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New. 
        Empty operand pointers.
        * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
        (op_iter_next_use): New.  Return next use_operand_p.
        (op_iter_next_def): New.  Return next def_operand_p.
        (op_iter_next_tree): New.  Return next operands as a tree.
        (op_iter_init): New.  Initialize an iterator structure.
        (op_iter_init_use): New.  Initialize structure and get the first use.
        (op_iter_init_def): New.  Initialize structure and get the first def.
        (op_iter_init_tree): New.  Initialize structure and get the first tree.
        (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
        (op_iter_init_maydef): New.  Initialize structure and get the first 
        V_MAY_DEF operands.
        * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
        * tree-dfa.c (compute_immediate_uses_for_stmt, 
        redirect_immediate_uses): Use new operand iterator.
        (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
        (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
        operands instead of using *_disappeared_p routines.
        * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
        ssa_rewrite_stmt): Use new operand iterator.
        * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
        rewrite_trees): Use new operand iterator.
        * tree-pretty-print.c (dump_vops): Use new operand iterator.
        * tree-sra.c (mark_all_v_defs): Use new operand iterator.
        * tree-ssa-alias.c (compute_points_to_and_addr_escape, 
        dump_points_to_info): Use new operand iterator.
        * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize, 
        replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new 
        operand iterator.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary, 
        propagate_necessity): Use new operand iterator.
        * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
        (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
        a parameter instead of a stmt_ann_t.
        * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
        build_tree_conflict_graph): Use new operand iterator.
        * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
        rewrite_mem_refs): Use new operand iterator.
        * tree-ssa-loop-manip.c (find_uses_to_rename_stmt, 
        check_loop_closed_ssa_use): Use new operand iterator.
        * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
        * tree-ssanames.c (release_defs): Use new operand iterator.
        * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.

2004-08-25  Adam Nemet  <anemet@lnxw.com>

        * tlink.c (initial_cwd): New variable.
        (tlink_init): Initialize it.
        (recompile_files): Use tlink_execute() instead of system().  Don't
        duplicate verbose output of collect_execute.  Restore initial_cwd.
        Update comment before the function.

2004-08-25  Ziemowit Laski  <zlaski@apple.com>

        * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
        accept) a cast from one Objective-C pointer type to another.

2004-08-25  Paolo Carlini  <pcarlini@suse.de>

        * doc/install.texi: Document that libstdc++-v3 requires
        now automake 1.9.1.

2004-08-25  Caroline Tice  <ctice@apple.com>

        * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
        to comments at start of function.
        * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
        comment.
        * cfgcleanup.c (try_simplify_condjump, try_forward_edges, 
        merge_blocks_move_predecessor_nojumps, 
        merge_blocks_move_successor_nojumps, merge_blocks_move, 
        try_crossjump_to_edge, try_crossjump_bb): Likewise.
        * cfglayout.c (fixup_reorder_chain): Likewise.
        * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
        cfg_layout_can_merge_blocks_p):  Likewise.
        * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
        * passes.c (rest_of_compilation): Update comments for calling 
        optimization that partitions hot/cold basic blocks.
        * doc/invoke.texi:  Update documentation of 
        freorder-blocks-and-partition flag.
        
2004-08-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
        (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.

2004-08-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (any_shift): New code macro.
        (optab, insn): New code attributes.
        ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
        Use the standard rather than internal patterns for the MIPS16
        double-shift optimization.
        (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
        Redefine using :GPR and any_shift.
        (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
        to cover all three shifts.
        (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
        Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
        (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.

2004-08-24  Geoffrey Keating  <geoffk@apple.com>

        * gimplify.c (lookup_tmp_var): Separate temporaries when not
        optimizing.

2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR libstdc++/17005 (fix for HP-UX 11.11)
        * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
        (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
        tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.  
        * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
        * config/pa/pa-hpux.h (TARGET_HPUX): Define.
        (LINK_SPEC): Handle march=1.0 option.
        * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
        and _XOPEN_SOURCE_EXTENDED for UNIX 95.
        (SUBTARGET_OPTIONS): New define.
        (LINK_SPEC): Handle march=1.0 option.
        (STARTFILE_SPEC): New define.
        * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
        and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
        _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
        (SUBTARGET_OPTIONS): New define.
        (LINK_SPEC): Handle march=1.0 option.
        (STARTFILE_SPEC): New define.
        * config/pa/pa.c (override_options): Add code to process -munix= option.
        * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
        (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
        defines.
        (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
        (SUBTARGET_OPTIONS): Provide default define.
        * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
        STANDARD_STARTFILE_PREFIX_2): New defines.
        (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
        (ENDFILE_SPEC): Use %O.
        * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
        Mention issue caused by changing namespace and runtime to UNIX 95/98.
        * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
        Document -munix=std option.

2004-08-25  Steven Bosscher  <stevenb@suse.de>

        * cse.c (cse_around_loop, cse_check_loop_start,
        cse_set_around_loop): Remove.
        (cse_basic_block): Remove the around_loop argument.
        (cse_end_of_basic_block): Remove the after_loop argument.
        (cse_main): Likewise.
        * rtl.h (cse_main): Update prototype.
        * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
        rest_of_handle_gcse): Update cse_main calls.

2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>

        * tree.h  (build_int_cst): New, sign extended constant.
        (build_int_cstu): New, zero extended constant.
        (build_int_cst_wide): Renamed from build_int_cst.
        * tree.c (build_int_cst, build_int_cstu): New.
        (build_int_cst_wide): Renamed from build_int_cst.
        (make_vector_type, build_common_tree_nodes,
        build_common_tree_nodes_2): Adjust build_int_cst calls.
        * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
        expand_builtin_strpbrk, expand_builtin_fputs,
        build_string_literal, expand_builtin_printf,
        expand_builtin_sprintf, fold_builtin_classify_type,
        fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
        fold_builtin_toascii, fold_builtin_isdigit,
        simplify_builtin_strstr, simplify_builtin_strpbrk,
        fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
        * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
        DEF_ATTR_INT): Likewise.
        * c-decl.c (complete_array_type, check_bitfield_type_and_width):
        Likewise.
        * c-lex.c (interpret_integer, lex_charconst): Likewise.
        * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
        * c-pretty-print.c (pp_c_integer_constant): Likewise.
        * c-typeck.c (really_start_incremental_init, push_init_level,
        set_nonincremental_init_from_string): Likewise.
        * calls.c (load_register_parameters): Likewise.
        convert.c (convert_to_pointer): Likewise.
        coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
        build_fn_info_type, build_fn_info_value, build_ctr_info_value,
        build_gcov_info): Likewise.
        * except.c (init_eh, assign_filter_values): Likewise.
        * expmed.c (store_fixed_bit_field, extract_bit_field,
        extract_fixed_bit_field, extract_split_bit_field, expand_shift,
        expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
        expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
        * expr.c (convert_move, emit_group_load, emit_group_store,
        expand_assignment, store_constructor, store_field,
        expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
        fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
        invert_truthvalue, optimize_bit_field_compare,
        decode_field_reference, all_ones_mask_p, constant_boolean_node,
        fold_div_compare, fold, fold_read_from_constant_string,
        fold_negate_const, fold_abs_const, fold_not_const, round_up,
        round_down): Likewise.
        * function.c (assign_parm_setup_block): Likewise.
        * stmt.c (shift_return_value, expand_case, estimate_case_costs):
        Likewise.
        * stor-layout.c (layout_type, initialize_sizetypes,
        set_min_and_max_values_for_integral_type): Likewise.
        * tree-chrec.c (chrec_fold_multiply_poly_poly,
        reset_evolution_in_loop): Likewise.
        * tree-chrec.h (build_polynomial_chrec): Likewise.
        * tree-complex.c (build_replicated_const): Likewise.
        * tree-eh.c (honor_protect_cleanup_actions,
        lower_try_finally_onedest, lower_try_finally_copy,
        lower_try_finally_switch): Likewise.
        * tree-mudflap.c (mf_build_string, mx_register_decls,
        mudflap_register_call, mudflap_enqueue_constant): Likewise.
        * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
        Likewise.
        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
        * tree-ssa-loop-niter.c (number_of_iterations_cond,
        loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
        Likewise.
        * tree-ssa-loop-ivcanon.c (create_canonical_iv,
        canonicalize_loop_induction_variables): Likewise.
        * tree-vectorizer.c (vect_create_index_for_array_ref,
        vect_transform_loop_bound, vect_compute_data_ref_alignment):
        Likewise.

        * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
        alpha_gimplify_va_arg_1): Likewise.
        * config/arm/arm.c (arm_get_cookie_size): Likewise.
        * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
        * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
        * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
        * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
        mips_gimplify_va_arg_expr): Likewise.
        * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
        * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
        add_compiler_branch_island): Likewise.
        * config/s390/s390.c (s390_va_start): Likewise.
        * config/sh/sh.c (sh_va_start): Likewise.
        * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
        Likewise.
        * config/xtensa/xtensa.c (xtensa_va_start,
        xtensa_gimplify_va_arg_expr): Likewise.
        
        * objc/objc-act.c (build_objc_string_object,
        build_objc_symtab_template, init_def_list, init_objc_symtab,
        init_module_descriptor, generate_static_references,
        build_selector_translation_table, get_proto_encoding,
        build_typed_selector_reference, build_selector_reference,
        build_next_objc_exception_stuff,
        build_method_prototype_list_template, generate_descriptor_table,
        generate_protocols, build_protocol_initializer,
        build_ivar_list_template, build_method_list_template,
        build_ivar_list_initializer, generate_ivars_list,
        generate_dispatch_table, generate_protocol_list,
        build_category_initializer, build_shared_structure_initializer,
        generate_shared_structures, handle_impent,
        generate_objc_image_info): Likewise.

2004-04-25  Paolo Bonzini  <bonzini@gnu.org>

        * cfglayout.c (duplicate_insn_chain): Remove references to
        NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
        * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
        * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
        * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
        and NOTE_INSN_LOOP_CONT.
        * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
        * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
        and NOTE_INSN_LOOP_CONT.
        * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
        check_dbra_loop, loop_dump_aux): Remove references to removed notes
        and fields.
        * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
        * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
        references to removed notes and fields.
        (subtract_reg_term, ujump_to_loop_cont): Remove.

2004-08-25  Paolo Bonzini  <bonzini@gnu.org>

        * doc/install.texi: Document that libcpp does not require
        Automake any longer.  Document that Automake 1.9.1 should
        work everywhere.

2004-08-25  Zack Weinberg  <zack@codesourcery.com>

        * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
        * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
        DWARF_DEBUGGING_INFO from choice-of-definition chain;
        restructure using C89 features (#elif, #error).
        * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
        * config/sh/sh.h: Remove references to DWARF_DEBUG.
        * doc/invoke.texi: Remove references to DWARF version 1;
        clarify why -gdwarf-2<n> doesn't work.

2004-08-25  Zack Weinberg  <zack@codesourcery.com>

        * basic-block.h (BB_SET_PARTITION): Clear old value first.
        * cfg.c (clear_bb_flags): Don't clear partition setting.
        * ifcvt.c (find_if_case_1): Remove ??? comment.

2004-08-25  Alan Modra  <amodra@bigpond.net.au>

        PR target/17052
        * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
        * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
        current_function_stdarg in place of sysv_varargs_p.
        * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
        sysv_varargs_p.

2004-08-24  Richard Henderson  <rth@redhat.com>

        PR target/16298
        * config/i386/i386.c (legitimate_constant_p): Rework to not accept
        random codes within CONST.

2004-08-24  James E Wilson  <wilson@specifixinc.com>

        * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
        -freorder-blocks-and-partition.

2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/17044
        * tree-ssa-threadupdate.c (redirection_data): Make static.
        (thread_block): Use ggc_alloc_cleared to allocate struct
        redirection_data.  Don't free elements in redirection_data.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/predicates.md (small_data_pattern): Match prefetches.

2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR tree-optimization/17016
        * tree-ssa-loop-niter.c (number_of_iterations_cond,
        number_of_iterations_exit): Use POINTER_TYPE_P instead
        of testing for POINTER_TYPE.

2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-ssa-loop-ivcanon.c: New file.
        * tree-ssa-loop-manip.c (create_iv): New function.
        * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
        (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
        * cfgloop.c (mark_single_exit_loops): New function.
        (verify_loop_structure): Verify single-exit loops.
        * cfgloop.h (struct loop): Add single_exit field.
        (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
        (mark_single_exit_loops): Declare.
        (tree_num_loop_insns): Declare.
        * cfgloopmanip.c (update_single_exits_after_duplication): New function.
        (duplicate_loop_to_header_edge): Use it.
        * common.opt (fivcanon): New flag.
        * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
        * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
        (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
        (bsi_insert_on_edge_immediate): New function.
        * tree-flow.h (bsi_insert_on_edge_immediate,
        canonicalize_induction_variables, tree_unroll_loops_completely,
        create_iv): Declare.
        * tree-optimize.c (init_tree_optimization_passes): Add
        pass_iv_canon and pass_complete_unroll.
        * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
        * tree-scalar-evolution.c (get_loop_exit_condition,
        get_exit_conditions_rec, number_of_iterations_in_loop,
        scev_initialize): Use single_exit information.
        * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
        missing assumptions.
        (loop_niter_by_eval):  Return number of iterations as unsigned
        int.
        * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
        (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
        tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
        New passes.
        (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
        * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
        the defining statement is ready.
        * tree-vectorizer.c (vect_create_iv_simple): Removed.
        (vect_create_index_for_array_ref, vect_transform_loop_bound):
        Use create_iv.
        (vect_transform_loop_bound): Use single_exit information.
        (vect_analyze_loop_form): Cleanup bogus tests.
        (vectorize_loops): Do not call flow_loop_scan.
        * tree.h (may_negate_without_overflow_p): Declare.
        * fold-const.c (may_negate_without_overflow_p): Split out from ...
        (negate_expr_p): ... this function.
        (tree_expr_nonzero_p): Handle overflowed constants correctly.
        * doc/invoke.texi (-fivcanon): Document.
        * doc/passes.texi: Document canonical induction variable creation.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
        * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
        using the mode of the operand to decide between them.
        * config/mips/mips.md (MOVECC): New mode macro.
        (ccreg): New mode attribute.
        (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
        Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
        (mov[sd]icc): Redefine using :GPR.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
        (mips_prefetch_cookie): New function.
        * config/mips/mips.c (print_operand_address): Fix handling of
        ADDRESS_CONST_INT.
        (mips_emit_prefetch): Delete.
        (mips_prefetch_cookie): New function.
        * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
        mode of QImode for the address_operand.  Use mips_prefetch_cookie
        to calculate the first "pref" operand.
        (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
        (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.

2004-08-24  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md: Include predicates.md.
        * predicates.md: New file.
        * arm.c (s_register_operand, arm_hard_register_operand)
        (arm_general_register_operand, f_register_operand, reg_or_int_operand)
        (arm_immediate_operand, arm_neg_immediate_operand)
        (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
        (arm_add_operand, arm_addimm_operand, arm_not_operand)
        (offsettable_memory_operand, alignable_memory_operand)
        (arm_reload_memory_operand, arm_float_rhs_operand)
        (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
        (index_operand, shiftable_operator, logical_binary_operator)
        (shift_operator, equality_operator, arm_comparison_operator)
        (minmax_operator, cc_register, dominant_cc_register)
        (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
        (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
        (const_shift_operand, load_multiple_operation)
        (store_multiple_operation, multi_register_push, thumb_cmp_operand)
        (thumb_cmpneg_operand, thumb_cbrch_target_operand)
        (cirrus_register_operand, cirrus_fp_register)
        (cirrus_shift_const): Delete, replaced with equivalents in
        predicates.md.
        (shift_op): Handle ROTATE.
        * arm-protos.h: Delete declarations for above.
        * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
        * t-arm (MD_INCLUDES): Add predicates.md.
        (s-preds): Depends on MD_INCLUDES.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
        * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
        patterns.  Redefine using :GPR.  Give the match_operator a mode.
        Use '%2' rather than '%z2' for operand 2.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
        attribute.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
        of internal patterns.
        (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
        Redefine using :P.
        (tablejump): Use expand_binop to calculate address.  Adjust names
        of internal patterns.
        (tablejump[sd]i): Renamed from tablejump_internal[12].
        Redefine using :P.
        (tablejump_mips16[12]): Delete.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
        (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
        (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
        (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
        (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
        (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
        using :GPR.
        (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
        (*branch_equality[sd]i): Likewise branch_equality{,_di}.
        (*branch_equality[sd]i_inverted): Likewise
        branch_equality{,_di}_inverted.
        (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
        Redefine using :GPR.

2004-08-24  Zack Weinberg  <zack@codesourcery.com>

        * rtl.def: Reorganize, placing all codes used only in machine
        descriptions at the end.

        * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
        * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
        rtx_name, rtx_format arrays by direct reference to rtl.def,
        first undefining GENERATOR_FILE.  Define enum insn_note and
        note_insn_name array by direct reference to insn-notes.def.
        (adjust_field_rtx_def): Remove local definition of rtx_name.
        Use symbolic names for insn notes.
        * Makefile.in (gengtype.o): Update dependencies.

2004-08-24  Zack Weinberg  <zack@codesourcery.com>

        * basic-block.h (struct basic_block_def): Reorder fields to
        eliminate interior padding.  Remove 'partition' field.
        (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
        (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
        (BB_COPY_PARTITION): New macros.
        * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
        Replace all references to the 'partition' field of a basic
        block with new macros.

        * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
        * final.c (final_scan_insn): Don't handle it.
        * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
        instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
        * sched-rgn.c (sched_is_disabled_for_current_region_p):
        Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.

2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>

        * c-decl.c (c_init_decl_processing): Adjust
        build_common_tree_nodes call.
        * expmed.c (const_mult_add_overflow_p): Use
        build_distinct_type_copy.
        * stor-layout.c (early_type_list): Remove.
        (layout_type): Don't append to early_type_list.
        (initialize_sizetypes): Add signed_p argument.
        (set_sizetype): Overwrite the stub type nodes directly.
        * tree.c (copy_node_stat): Clear a type's value cache here ...
        (build_distinct_type): ... not here.
        (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
        * tree.h (initialize_sizetypes): Add signed_p argument.
        (build_common_tree_nodes): Likewise.

        * objc/objc-act.c (get_static_reference): Use
        build_variant_type_copy.
        (get_protocol_reference): Likewise.
        * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.

2004-08-24  Richard Henderson  <rth@redhat.com>
            Andrew Pinski  <apinski@apple.com>

        * gimplify.c (gimplify_array_ref_to_plus): Delete.
        (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
        for ARRAY_REF.

        * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
        ARRAY_REF also to get to the STRING_CST.

2004-08-24  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_override_options): Update error message.
        * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
        TARGET_HARD_FLOAT_ABI.
        (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
        (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.

2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        PR target/17093
        * config/m32r.md (movsi_sda): Add SI mode specification to
        UNSPEC.

2004-08-24  Nick Clifton  <nickc@redhat.com>

        * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
        of seth_add3_operand.

2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>

        * Makefile.in (PROTO_OBJS): Add errors.o.
        * protoize.c (fancy_abort): Remove.
        * mips-tfile.c (fancy_abort): Add parameters.

2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>

        * doc/trouble.texi (C++ misunderstandings): Fix example code.

2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>

        * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
        (host-default.o): Add dependency on HOOKS_H.
        * config/x-linux: Likewise.
        * config/x-solaris: Likewise.
        * config/i386/x-mingw32: Likewise.
        * config/rs6000/x-darwin: Likewise.

2004-08-23  James E Wilson  <wilson@specifixinc.com>

        * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
        DEF_REG_NOTE.

2004-08-23  Mark Mitchell  <mark@codesourcery.com>

        PR c/14492
        * dwarf2out.c (loc_descriptor_from_tree): Robustify.

2004-08-23  Diego Novillo  <dnovillo@redhat.com>

        * cfg.c (check_bb_profile): Fix typos.
        * function.c (assign_parm_is_stack_parm): Likewise.
        * tree-nested.c: Likewise.

2004-08-23  Daniel Jacobowitz  <dan@debian.org>

        * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
        Remove TYPECODE.
        (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.

2004-08-23  Eric Christopher  <echristo@redhat.com>

        * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
        * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
        * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
        * target.h: Ditto.
        * hooks.h: Include machmode.h.
        (hook_bool_mode_false): Declare.
        * hooks.c (hook_bool_mode_false): Define.
        * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
        * stor-layout.c (layout_type): Ditto.
        * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
        Define to target macro.
        * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
        * config/arm/arm.c: Ditto. Use.
        * config/arm/arm.h: Ditto.
        * config/arm/arm-protos.h: Ditto.
        * config/i386/i386.c: Ditto.
        * config/i386/i386.h: Ditto.
        * config/rs6000/rs6000.c: Ditto.
        * config/rs6000/rs6000.h: Ditto.
        * config/sh/sh.c: Ditto.
        * config/sh/sh.h: Ditto.
        * config/sh/sh-protos.h: Ditto.
        * config/sh/sh.md: Use.
        * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
        to TARGET_VECTOR_MODE_SUPPORTED_P.

2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>

        * Makefile.in (BUILD_ERRORS): Set to build-errors.
        (errors.o): New target for host.
        (build-errors.o): New target for build.
        (genobjs): Replace errors.o with build-errors.
        (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
        (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
        (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
        (fix-header.o): Add errors.h
        * collect2.c (fancy_abort): Add parameters.
        * collect2.h (fancy_abort): Don't declare.
        * errors.h (fancy_abort): Don't declare.
        * errors.c: Include either bconfig.h or config.h.
        (fancy_abort): Trim filename.
        * fix-header.c (v_fatal, fatal): Remove.
        (progname): Remove definition.
        (main): Set progname here.
        * gcc.c (fancy_abort): Add parameters.
        * gcc.h (fancy_abort): Remove declaration.
        * gcov.c (fancy_abort): Remove.
        * rtl.h (fancy_abort): Don't declare.
        (abort): Don't define.
        * tree.h (fancy_abort): Don't declare.
        (abort): Don't define.
        * system.h (fancy_abort): Declare.
        (abort): Define to fancy_abort.
        * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o

        * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
        (usize_type, ubitsizetype): Remove.
        * stor-layout.c (set_sizetype): Don't initialize usizetype,
        ubitsizetype.
        * fold-const.c (size_diffop): TYPE can never be ubitsizetype.

        * tree.h (build_distinct_type_copy): New.
        (build_type_copy): ... here.  Rename to ...
        (build_variant_type_copy): ... here.
        * tree.c (build_qualified_type): Rename build_type_copy call.
        (build_distinct_type_copy): New, broken out of ...
        (build_type_copy): ... here.  Rename to ...
        (build_variant_type_copy): ... here.  Use
        build_distinct_type_copy.
        (build_common_tree_nodes_2): Rename build_type_copy call.
        * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
        call.
        (handle_packed_attribute, handle_unused_attribute,
        handle_transparanet_union_attribute, handle_aligned_attribute,
        handle_deprecated_attribute): Likewise.
        * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
        Likewise.
        * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
        * config/rs6000/rs6000.c (rs6000_init_builtins): Use
        build_distinct_type_copy.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
        attribute.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
        loads and stores.
        (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
        formerly unnamed patterns.  Redefine using :P for the address.  Remove
        explicit length attributes.

2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
        New functions.
        (single_reachable_address): Use them.
        (schedule_sm): Add dump.
        (is_call_clobbered_ref): New function.
        (determine_lsm_reg): Check whether the reference is call clobbered.
        Only work for gimple_reg_type values.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
        $31 store insns.  Redefine using :GPR.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (P): New mode macro.
        (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
        (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
        Add mode attributes.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
        (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
        later constants to cover the gap.
        (load, store): New mode attributes.
        (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
        Use new unspec constants.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
        (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
        to use register_operand rather than uns_arith_operand as the predicate
        for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
        (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
        Redefine using :GPR.  Make same predicate change here.  Extend the
        commutativity of operands 1 and 2 from the SImode version to the
        DImode one.
        (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
        but with no predicate changes.
        (*nor[sd]i3): Redefine using :GPR.

2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
        noreturn functions.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
        * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
        branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
        rather than "%z2" (with a fake const0_rtx for operand 2).
        (ffs[sd]i2): Redefine using :GPR.
        (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (any_extend): New code macro.
        (u, su): New code attributes.
        ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
        ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
        ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
        (*{s,u}mul_acc_di): Redefine using any_extend.
        (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
        to reflect real insn names.
        (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
        with an any_extend template.
        ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
        Add '*' to name.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
        * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
        (mul[sd]i3_r4000): Redefine using :GPR.
        (mulsi3_mult3): Don't check TARGET_MAD separately.
        (muldi3_mult3): Moved after mulsi_mult3.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
        OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
        * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
        (TARGET_GAS, TARGET_MIPS_AS): Delete.
        (TARGET_GPWORD): Define to true for n32 on IRIX.
        (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
        (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
        (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
        (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
        (MDEBUG_ASM_SPEC): Delete, folding into...
        (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
        (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
        (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
        subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
        to define asm_abi_default_spec.
        (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
        (TARGET_ASM_SELECT_SECTION): Delete.
        * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
        for non-mips16 code, removing previous workaround for SGI assemblers.
        (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
        (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
        (override_options): Remove !TARGET_GAS and !have_named_sections code.
        (print_operand): Fold TARGET_GAS conditionals into asm strings.
        (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
        ASM_STABS_OP and ASM_STABN_OP.
        (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
        (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
        (mips_output_function_prologue): Remove !TARGET_GAS code.
        (mips_select_rtx_section): Remove !have_named_sections code.
        (mips_select_section): Delete.
        * config/mips/mips.md (trap): Remove !TARGET_GAS check.
        * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
        * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
        (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
        * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
        * config/mips/windiss.h (ASM_SPEC): Likewise.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * read-rtl.c (map_value, mapping, macro_group): New structures.
        (BELLWETHER_CODE): New macro.
        (modes, codes, bellwether_codes): New variables.
        (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
        (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
        (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
        (add_condition_to_rtx, apply_macro_traverse, add_mapping)
        (add_map_value, initialize_macros): New functions.
        (def_hash, def_hash_eq_p): Generalize to anything that points to,
        or starts with, a char * field.
        (find_macro, read_mapping, check_code_macro): New functions.
        (read_rtx_1): New, split out from read_rtx.  Handle the new
        define_{mode,code}_{macro,attr} constructs.  Use find_macro
        to parse the name of a code or mode.  Use BELLWETHER_CODE to
        extract the format and to choose a suitable code for rtx_alloc.
        Modify recursive invocations to use read_rtx_1.
        (read_rtx): Call initialize_macros.  Apply code and mode macros
        to the rtx returned by read_rtx_1.  Cache everything after the
        first macro expansion for subsequent read_rtx calls.
        * doc/md.texi: Document new .md constructs.
        * config/mips/mips.md (GPR): New mode macro.
        (d, si8_di5): New mode attributes.
        (any_cond): New code macro.
        (add[sd]i3): Redefine using :GPR.
        (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
        (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
        previously unnamed MIPS16 patterns.
        (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
        lines.  Don't match (plus (const_int 0) ...).
        (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
        Use a define_split to generate the addition.
        (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
        (subsi3_internal): Delete.
        (*subsi3_extended): Renamed from subsi3_internal_2.
        (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
        (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
        using an any_cond template.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * read-rtl.c (read_rtx): Tidy use of format_ptr.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * read-rtl.c (string_obstack): New file-scope variable.
        (read_string, read_quoted_string, read_braced_string)
        (read_escape): Remove obstack parameter and use string_obstack instead.
        (read_rtx): Remove function-local rtl_obstack and initialize
        string_obstack instead.  Update call to read_string.

2004-08-22  Andrew Pinski  <apinski@apple.com>

        PR c/15262
        * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
        expression is not constant.
        (c_finish_return): Do not go through INDIRECT_REF when looking
        for the inner expression of an ADDR_EXPR for warning about.

2004-08-22  Richard Henderson  <rth@redhat.com>

        PR 17075
        * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
        create new blocks and fall through.
        (expand_gimple_basic_block): Update to match.

2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload.c (find_reloads_address): Make return value tri-state.
        Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
        (find_reloads): Assume that reloaded addresses match 'o' or
        EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
        returned 1 (not -1).  Omit optional reloads for address operands
        only if find_reloads_address returned 1 (not -1).

        * config/s390/s390.c (legitimize_reload_address): New function.
        * config/s390/s390-protos.h (legitimize_reload_address): Declare.
        * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
        legitimize_reload_address.

2004-08-22  Richard Hendersion  <rth@redhat.com>

        * tree.h (SAVE_EXPR_RESOLVED_P): New.
        * gimplify.c (gimplify_save_expr): Use it.
        * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
        on the temporary variable.

2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>

        * fold-const.c (rtl_expr_nonnegative_p): Delete.
        * tree.h (rtl_expr_nonnegative_p): Remove.

2004-08-22  Steven Bosscher  <stevenb@suse.de>

        * config/i386/ppro.md (ppro_complex_insn): Add missing check
        for cpu==pentiumpro.

        * combine.c (struct reg_stat): Fix comment typo.

2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (c_sizeof_nowarn): Remove.

2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c (set_array_declarator_type): Rename to
        set_array_declarator_inner.
        (build_c_parm, build_attrs_declarator, build_function_declarator):
        New functions.
        (make_pointer_declarator): Call build_attrs_declarator.
        * c-tree.h (set_array_declarator_type): Rename to
        set_array_declarator_inner.
        (build_c_parm, build_attrs_declarator, build_function_declarator):
        New prototypes.
        * c-parse.in (after_type_declarator,
        parm_declarator_starttypename, parm_declarator_nostarttypename,
        notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
        firstparm): Use these functions

2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c (build_array_declarator, set_array_declarator_type,
        start_decl, grokdeclarator, grokparms): Change boolean parameters
        to type bool.
        * c-tree.h (build_array_declarator, set_array_declarator_type,
        start_decl): Update prototypes.
        * c-decl.c, c-parse.in: All callers changed.

2004-08-21  Mike Stump  <mrs@apple.com>

        * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
        (darwin_fix_and_continue): Likewise.
        (darwin_fix_and_continue_switch): Likewise.
        * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
        (darwin_fix_and_continue): Likewise.
        (darwin_fix_and_continue_switch): Likewise.

2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>

        PR  c++/16030
        * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
        Remove, merging into ...
        (gen_stdcall_or_fastcall_suffix): New function, returning tree
        rather than const char*, and accepting additional parameter.
        Don't add suffix to '*'-prefixed symbols or variadic functions.
        (i386_pe_encode_section_info): Adjust for call to new function.
        Call change_decl_assembler_name.

2004-08-20  Mike Stump  <mrs@apple.com>

        * config/darwin.c (machopic_indirect_data_reference): Mark
        stubs as defined.
        * config/386/386.c (darwin_local_data_pic): Add.
        (legitimate_constant_p): Reorder so that PLUS handling runs
        before darwin_local_data_pic to match the ordering in
        legitimate_pic_address_disp_p and so that MINUS runs after
        darwin_local_data_pic as otherwise the darwin_local_data_pic
        logic can be skipped, which would be very bad.
        (legitimate_pic_address_disp_p): Move from from here to
        darwin_local_data_pic so it can be reused.

2004-08-21  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
        (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
        (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
        (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
        (RS6000_ABI_NAME): Define as "linux".
        (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
        ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
        * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
        * config/rs6000/rs6000.c (dot_symbols): New global var.
        (rs6000_output_function_entry): New function, modified for
        !DOT_SYMBOLS..
        (print_operand <case 'z'>): ..extracted from here.
        (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
        (rs6000_output_function_epilogue): Likewise.
        (rs6000_elf_declare_function_name): Likewise.
        * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
        (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
        * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
        * configure: Regenerate.
        * config.in: Regenerate.

2004-08-20  Mark Mitchell  <mark@codesourcery.com>

        * reload.c (find_reloads_address): Fix thinko in previous change.

        * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
        a CONST_INT.

2004-08-20  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/17099
        * combine.c (force_to_mode): Check if inner_mask has any bits set
        outside of GET_MODE (x) instead of op_mode.

2004-08-20  Mark Mitchell  <mark@codesourcery.com>

        * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
        fragment.
        * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
        (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
        * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
        architecture.
        (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
        configurations.
        * config/arm/t-symbian: New file.

2004-08-20  Andrew Pinski  <apinski@apple.com>

        * regrename.c (kill_value_regno): ANSIfy.

2004-08-20  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.

2004-08-20  Daniel Jacobowitz  <dan@debian.org>

        * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
        (kill_value_regno): New function, derived from kill_value.
        (kill_value): Update.
        (copyprop_hardreg_forward_1): Update call to kill_value_regno.

2004-08-20  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/17111
        * tree-ssa-pre.c (create_value_expr_from): Don't change the types
        of non-value_handles.
        (bitmap_set_contains): All constants are in every set.

2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>

        * fold-const.c (round_up, round_down): Use build_int_cst.
        Optimize common case.

2004-08-20  Zack Weinberg  <zack@codesourcery.com>
            John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
        one_only_data_section): Rename to som_readonly_data_section,
        som_one_only_readonly_data_section and som_one_only_data_section.
        * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
        NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
        conditional defines.
        (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
        NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
        string values.
        (pa_select_section): Use renamed section functions.
        * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
        SOM_READONLY_DATA_SECTION_FUNCTION,
        SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
        SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
        Define here ...
        * config/pa/som.h: ... not here.
        (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
        ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
        ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
        ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
        (READONLY_DATA_SECTION): Use som_readonly_data_section.

2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>

        * fold-const.c (int_const_binop): Don't generate non-overflowing
        size-types specially.
        (fold_convert_const): Likewise.

        * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
        clear cache on copied sizetype.

2004-08-20  Ben Elliston  <bje@au.ibm.com>

        * configure.ac: Don't escape apostrophe in --enable-coverage help.
        * configure: Regenerate.

2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>

        PR 5620
        * gcc.c (struct stat input_stat): Don't define if
        HOST_LACKS_INODE_NUMBERS
        (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
        than stat to determine if temp file is same as input file.
        * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
        * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS

2004-08-20  Richard Sandiford  <rsandifo@redhat.com>

        * configure.ac (mips*-*-*): Print an error if not using GAS.
        * configure: Regenerated.
        * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
        comments about buggy MIPSpro assemblers.
        * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
        before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
        Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
        IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
        * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
        (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
        (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
        (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
        (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
        of more general IRIX 6 definitions.
        (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
        (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
        (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
        (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
        (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
        (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
        (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
        (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
        (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
        (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
        (LINK_SPEC): Move most of definition to iris.h.
        (SUBTARGET_LINK_SPEC): New macro.
        (IRIX_STARTFILE_SPEC): Fold into...
        (STARTFILE_SPEC): ...here.
        (IRIX_ENDFILE_SPEC): Fold into...
        (ENDFILE_SPEC): ...here.
        * config/mips/iris6.h (TARGET_IRIX5): Remove override.
        (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
        (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
        (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
        (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
        (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
        (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
        (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
        (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
        (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
        (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
        (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
        (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
        (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
        (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
        (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
        (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
        (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
        (TARGET_IRIX6): Define to 1.
        (DRIVER_SELF_SPECS): Define.
        (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
        (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
        (SUBTARGET_LINK_SPEC): New macro.
        (IRIX_STARTFILE_SPEC): Fold into...
        (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
        (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
        (LIB_SPEC, LIBGCC_SPEC): Use them.
        (LIB_SPEC): Remove !mabi=* case.
        (IRIX_ENDFILE_SPEC): Fold into...
        (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
        * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
        * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
        (TARGET_IRIX6): New macro.
        (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
        (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
        (LABEL_AFTER_LOC): Delete.
        * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
        (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
        (mips_build_builtin_va_list): Check TARGET_IRIX6.
        (override_options): Remove TARGET_SGI_O32_AS-related code.
        (irix_output_external_libcall): Make static.
        (mips_output_filename): Avoid use of SET_FILE_NUMBER and
        LABEL_AFTER_LOC.
        (mips_file_start): Tidy guard for ABI sections.  Remove use of
        ABICALLS_ASM_OP; use .abicalls instead.
        (mips_output_aligned_decl_common, mips_declare_object_name)
        (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
        (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
        .globl foo .text directives.
        (irix_asm_named_section_1, irix_asm_named_section)
        (irix_section_align_entry, irix_section_align_htab)
        (irix_orig_asm_out_file, irix_section_align_entry_eq)
        (irix_section_align_entry_hash, irix_asm_output_align)
        (irix_file_start, irix_section_align_1, copy_file_data)
        (irix_file_end, irix_section_type_flags): Delete.
        * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
        Use standard section syntax.  Remove protective "jr $31".
        (__gcc_fini): Likewise .gcc_fini.
        * config/mips/irix-crtn.asm: Adjust sections accordingly.
        * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
        iris5gas.h.
        * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
        from t-irix-gld.
        (EXTRA_MULTILIB_PARTS): Define.
        * config/mips/t-iris6: Remove bogus comment.
        (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
        * config/mips/iris5gas.h, config/mips/iris5gld.h,
        config/mips/iris6gas.h, config/mips/iris6gld.h,
        config/mips/t-iris5-as, config/mips/t-iris5-gas
        config/mips/t-irix-gld: Delete.
        * config/mips/iris.h: New file.
        * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.

2004-08-20  Richard Earnshaw  <rearnsha@arm.com>

        * postreload.c (reload_cse_move2add): Allow any condjump, but check
        that the implicit set isn't clobbered in the jump insn.

2004-08-19  Mark Mitchell  <mark@codesourcery.com>

        * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
        * optabs.c (init_optabs): Don't check it.
        * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
        * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.

2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md (s390_warn_framesize_string)
        (s390_warn_dynamic_string, s390_stack_size_string)
        (s390_stack_guard_string): New global string variables.
        (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
        (s390_stack_guard): New global variables.
        (override_options): Added checks for the new options.
        (s390_emit_prologue): Emit stack check and trap code and perform
        compile time stack size checking.

        * config/s390/s390.h (TARGET_OPTIONS): Added new options
        "warn-framesize", "warn-dynamicstack", "stack-size" and
        "stack-guard".

        * doc/invoke.texi: Added documentation for the new options.

2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>

        * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
        to eliminate warning.
        (linear_search_fdes): Declare p as unsigned.
        (binary_search_mixed_encoding_fdes): Likewise.
        * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
        to eliminate warning.
        * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
        type cast.

2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
        * config/s390/s390.c (preferred_la_operand_p): Accept two operands
        instead of one.  Check for strictly legitimate address.
        * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
        to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.

2004-08-19  Eric Christopher  <echristo@redhat.com>

        * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
        * langhooks.h (unsave_expr_now): Ditto.
        * tree.h (unsave_expr_1): Remove prototype.
        (lhd_unsave_expr_now): Rename to unsave_expr_now.
        * tree-inline.c (unsave_expr_1): Move here
        from tree.c. Make static.
        (unsave_expr_now): Rename from lhd_unsave_expr_now.
        * tree-sra.c: Fix up for rename.
        * tree-ssa-copy.c: Ditto.
        * tree-eh.c: Ditto.
        * tree.c (unsave_expr_1): Move to tree-inline.c.

2004-08-19  Caroline Tice  <ctice@apple.com>

        * config/i386/cygming.h (switch_to_section):  Fix typo (change
        in_unlikely_text_section to in_unlikely_executed_text).

2004-08-19  Daniel Berlin  <dberlin@dberlin.org>

        * vec.h (VEC_lower_bound): New macro.

2004-08-19  Richard Sandiford  <rsandifo@redhat.com>

        PR target/16446
        * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
        (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
        treat each ABI separately.  Deal with n32/n64 complex float arguments.
        (function_arg): Add associated complex handling here.

2004-08-19  Richard Henderson  <rth@redhat.com>

        * config/arm/arm.c (arm_gen_load_multiple): Use
        adjust_automodify_address.  Take base memory and offset instead
        of unchanging/struct/scalar bits.
        (arm_gen_store_multiple): Likewise.
        (arm_gen_movmemqi): Use adjust_automodify_address.
        * config/arm/arm-protos.h: Update decls.
        * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
        (store_multiple): Similarly.

2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>

        * regclass.c (globalize_reg): Update call_really_used_regs.

2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>

        * doc/invoke.texi (integer-share-limit): Document.

        * tree.h (TYPE_CACHED_VALUES_P): New.
        (TYPE_CACHED_VALUES): New.
        (TYPE_ORIG_SIZE_TYPE): Adjust.
        * tree.def (INTEGER_CST): Update documentation.
        * tree.c: Inlcude params.h.
        (build_int_cst): Cache small values.
        (build_type_copy): Do not copy the value cache.
        * c-common.c (c_common_nodes_and_builtins): Add comment, remove
        unneeded zeroing.
        * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
        * expmed.c (const_mult_add_overflow_p): Clear type copy's value
        cache.
        * fold-const.c (force_fit_type): Copy value when setting
        overflows.
        (int_const_binop): Likewise.
        * stor-layout.c: Include params.h
        (set_sizetype): Create values cache.
        (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
        * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
        * params.h (INTEGER_SHARE_LIMIT): New.
        * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.

2004-08-19  Paolo Bonzini  <bonzini@gnu.org>

        * gimplify.c (gimplify_minimax_expr): Remove.
        (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.

2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
        STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.

2004-08-19  Mark Mitchell  <mark@codesourcery.com>

        * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.

2004-08-18  Andrew Pinski  <apinski@apple.com>

        * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.

2004-08-18  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
        (__aeabi_ul2f): Likewise.

2004-08-18  Richard Henderson  <rth@redhat.com>

        * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
        move to rtl completely.
        (struct meminsnbuf, xtensa_emit_block_move): Remove.
        (xtensa_find_mode_for_size): Remove.
        * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
        * config/xtensa/xtensa.md (movmemsi_internal): Remove.

2004-08-18  Richard Henderson  <rth@redhat.com>

        * config/mcore/mcore.c (mode_from_align): Remove DImode.
        (block_move_sequence): Rewrite to use adjust_address.
        (mcore_expand_block_move): Cleanup logic.  Accept only operands.
        Return boolean indicating success/failure.
        * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
        * config/mcore/mcore.md (movmemsi): Update to match.

2004-08-18  Mike Stump  <mrs@apple.com>

        * doc/invoke.texi (-mfix-and-continue): Add support for
        fast turn around debugging.
        (-ffix-and-continue): Likewise.
        (-mindirect-data): Likewise.
        (-findirect-data): Likewise.
        * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
        (indirect_data): Likewise.
        (machopic_data_defined_p): Likewise.
        (machopic_output_indirection): Likewise.
        (darwin_encode_section_info): Likewise.
        (darwin_fix_and_continue): Likewise.
        (darwin_fix_and_continue_switch): Likewise.
        * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
        * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
        (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
        (SUBTARGET_OPTIONS): Likewise.
        (darwin_fix_and_continue): Likewise.
        (darwin_fix_and_continue_switch): Likewise.
        (TARGET_FIX_AND_CONTINUE): Likewise.
        * config/rs6000.c (rs6000_emit_prologue): Likewise.

2004-08-19  Steven Bosscher  <stevenb@suse.de>

        * basic-block.h (struct edge_def): Remove crossing_edge.
        (EDGE_CROSSING): New define.
        (EDGE_ALL_FLAGS): Update.
        * bb-reorder.c (find_traces_1_round, better_edge_p,
        find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
        find_jump_block, fix_crossing_conditional_branches,
        fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
        Replace all occurences of crossing_edge with an edge flag check
        or set/reset.
        * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
        try_crossjump_bb): Likewise.
        * cfglayout.c (fixup_reorder_chain): Likewise.
        * cfgrtl.c (force_nonfallthru_and_redirect,
        commit_one_edge_insertion): Likewise.

        * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
        * tree-flow.h (compute_dominance_frontiers): Move prototype...
        * basic-block.h:  ...here.
        * tree-cfg.c (compute_dominance_frontiers_1,
        compute_dominance_frontiers): Move from here...
        * cfganal.c: ...to here.  Include timevar.h.

2004-08-18  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
        * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.

        * config/mips/mips.md (type): Add frdiv.
        (divsf3+1, divsf3+2): Change type to frdiv.
        * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
        ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.

        * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
        * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
        * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
        * config/mips/5000.md (r5k_fdiv_single): Likewise.
        * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
        * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
        * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
        * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
        * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
        * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
        Likewise.
        * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.

2004-08-18  Robert Bowdidge <bowdidge@apple.com>

        * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
        get regression tester working again.

2004-08-18  Zack Weinberg  <zack@codesourcery.com>

        * insn-notes.def, reg-notes.def: New files.
        * rtl.h: Use them to define enum insn_note and enum reg_note.
        * rtl.c: Use them to define note_insn_name and reg_note_name.
        * Makefile.in (RTL_BASE_H): Update.

        * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
        renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.

2004-08-18  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_size_rtx_costs): New function.
        (arm_override_options): Use it if optimizing for space.

2004-08-18  Richard Henderson  <rth@redhat.com>

        * emit-rtl.c (gen_const_mem): New.
        * rtl.h (gen_const_mem): Declare.
        * expr.c (do_tablejump): Use it.
        * varasm.c (force_const_mem): Likewise.
        * config/darwin.c (machopic_indirect_data_reference): Likewise.
        (machopic_legitimize_pic_address): Likewise.
        * config/arm/arm.c (legitimize_pic_address): Likewise.
        * config/i386/i386.c (legitimize_pic_address): Likewise.
        (legitimize_tls_address): Likewise.
        * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
        * config/ia64/ia64.md (load_fptr): Likewise.
        * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
        * config/pa/pa.c (legitimize_pic_address): Likewise.
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
        (rs6000_emit_move): Likewise.
        * config/s390/s390.c (legitimize_pic_address): Likewise.
        (legitimize_tls_address): Likewise.
        * config/s390/s390.md (casesi): Likewise.
        * config/sh/sh.c (sh_reorg): Likewise.
        * config/sparc/sparc.c (legitimize_pic_address): Likewise.
        * config/v850/v850.md (casesi): Likewise.

        * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
        * config/sh/sh.c (prepare_move_operands): Remove incorrect
        use of MEM_READONLY_P.

2004-08-18  Steven Bosscher  <stevenb@suse.de>

        * Makefile.in (OBJS-common): Add postreload-gcse.c.
        Add new postreload-gcse.o.
        * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
        (lookup_as_function, insert, rehash_using_reg, use_related_value,
        equiv_constant): Use SAFE_HASH instead of safe_hash.
        (exp_equiv_p): Export.  Add for_gcse argument when comparing
        for GCSE.
        (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
        find_comparison_args, fold_rtx, cse_insn): Update callers.
        (hash_rtx): New function derived from old canon_hash and bits
        from gcse.c hash_expr_1.
        (canon_hash_string): Rename to hash_rtx_string.
        (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
        * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
        (cselib_lookup): Update this caller.
        * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
        Make static.
        (hash_expr): Call hash_rtx.
        (ldst_entry): Likewise.
        (expr_equiv_p): Call exp_equiv_p.
        (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
        reg_used_on_edge, reg_set_between_after_reload_p,
        reg_used_between_after_reload_p, get_avail_load_store_reg,
        is_jump_table_basic_block, bb_has_well_behaved_predecessors,
        get_bb_avail_insn, hash_scan_set_after_reload,
        compute_hash_table_after_reload,
        eliminate_partially_redundant_loads, gcse_after_reload,
        get_bb_avail_insn, gcse_after_reload_main): Remove.
        * postreload-gcse.c: New file, reincarnating most of the above.
        * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
        (gcse_after_reload_main): Update prototype.
        * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
        * passes.c (rest_of_handle_gcse2): Use it.

2004-08-18  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
        (pass_loop_done): Likewise.

2004-08-18  Andrew Pinski  <apinski@apple.com>

        * config/rs6000/darwin.md: Delete the altivec patterns which are
        handled differently now.
        (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
        (macho_correct_pic_di): Likewise.
        (call_indirect_nonlocal_darwin64): Likewise.
        Delete the save world/saveFP/saveVec patterns.

        Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
        * config/darwin.c (macho_indirect_data_reference): Add DImode case.
        * config/rs6000/rs6000.md: Include darwin.md.
        (builtin_setjmp_receiver): Add DImode case.
        * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
        Darwin bits.

2004-08-18  Matt Austern  <austern@apple.com>

        Dead code stripping
        * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
        * darwin.c (darwin_file_end): Mark file as potentially strippable.

2004-08-18  Richard Henderson  <rth@redhat.com>

        * alias.c (readonly_fields_p): Remove.
        (objects_must_conflict_p): Don't call it.
        * tree.h (readonly_fields_p): Remove.
        * langhooks.h (struct lang_hooks): Remove honor_readonly.
        * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.

2004-08-18  Diego Novillo  <dnovillo@redhat.com>

        * tree-dfa.c (add_referenced_var): Only global variables are
        call-clobbered.
        * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
        * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
        all pointers dereferenced if the statement dereferences them.
        (create_name_tags): Do not create memory tags for pointers
        that have PT_ANYTHING set.
        Also check if PT_VARS is not empty before creating a name tag.
        (compute_flow_sensitive_aliasing): Don't mark call-clobbered
        variables that share the same alias set with a pointer that
        may point anywhere.
        (add_may_alias): Add FIXME comment to remove clobbering
        aliased variables and tags.
        (replace_may_alias): Likewise.
        (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
        (merge_pointed_to_info): If the original variable has not
        points-to information, call set_pt_anything.
        (add_pointed_to_var): Do not prevent adding a pointed-to
        variable if the pointers is PT_ANYTHING.
        If the variable is a global, set PT_GLOBAL_MEM.
        (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
        pointer type only come in PTR+OFFSET flavours.
        Always call merge_pointed_to_info on PHI arguments that are
        SSA_NAMEs.
        (get_nmt_for): Mark call-clobbered tags whose pointer points
        to global memory.
        * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
        values.
        (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
        FLAGS.
        (add_stmt_operand): Abort if the caller tried to add a killing
        definition for a memory tag.
        * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
        unnecessary checks.

2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
        from call_used_regs.  Update call_really_used_regs.
        (CALL_REALLY_USED_REGISTERS): Define.
        * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
        Replace call_used_regs with call_really_used_regs.
        (calc_live_regs, sh_media_register_for_return): Likewise.
        (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
        * sh.md (return_media): Likewise.

2004-08-18  Andrew Pinski  <apinski@apple.com>

        * config/darwin.c (machopic_legitimize_pic_address): Only set
        MEM_READONLY_P in the non TARGET_TOC case.

2004-08-18  Zack Weinberg  <zack@codesourcery.com>

        * rtl.def (NIL): Delete.
        * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
        Tighten the syntax a little.

        * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
        * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
        * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
        * config/i386/predicates.md, config/m32r/m32r.h
        * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
        * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
        * config/sparc/sparc.h, doc/tm.texi:
        Replace all occurrences of NIL with UNKNOWN.

2004-08-18  Zack Weinberg  <zack@codesourcery.com>

        * dojump.c (do_jump <unordered_bcc>): Do not recursively call
        self with a TRUTH_ORIF_EXPR; generate the appropriate jump
        sequence inline.  Move drop_through_label code into this
        block, being the only place it is used.  Adjust comments.

2004-08-18  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/altivec.md: Add new patterns for calls to
        save_world/rest_world functions.

        * config/rs6000/rs6000-protos.h: (save_world_operation,
        restore_world_operation) new declarations.

        * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
        field added.
        (rs6000_stack_info): Set world_save_p field.
        (save_world_operation): New function.
        (restore_world_operation): New function.
        (compute_save_world_info): New function.
        (rs6000_stack_info): Call compute_save_world_info.
        (rs6000_emit_prologue): Check for world_save_p and generate
        pattern to call save_world for saving all non-volatile and
        special registers.
        (rs6000_emit_epilogue): Check for world_save_p and generate
        pattern to call rest_world to restore saved registers.

        config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
        FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
        (rs6000_reg_names): New entries added for save_world_operation and
        restore_world_operation.

2004-08-18  Caroline Tice  <ctice@apple.com>

        * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
        "-freorder-blocks-and-partition" to the flags used in second
        stage of profiledbootstrap.
        * bb-reorder.c (push_to_next_round_p): Add new variable,
        next_round_is_last; set and use variable to make sure, when
        partitioning, that the last trace construction round consists
        of all (and only) cold basic blocks.
        (rotate_loop): Don't copy blocks that end in a section
        crossing jump.
        (copy_bb): Correctly initialize "partition" of duplicated bb.
        (add_unlikely_executed_notes): Add a comment.
        (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
        to make sure, if function contains hot blocks, that the
        successors of ENTRY_BLOCK_PTR are hot; also, only look for
        crossing edges if the architecture supports named sections.
        (mark_bb_for_unlikely_executed_section): Modify to always
        insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
        the basic block note insn.
        (fix_crossing_unconditional_branches): Remove extra space.
        (fix_edges_for_rarely_executed_code): Modify to only do
        partitioning work if the architecture supports named sections.
        (reorder_basic_blocks): Modify to only add
        NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
        supports named sections.
        * c-common.c (handle_section_attribute): Initialize new global
        variable, user_defined_section_attribute, to true if user has
        specified one.
        * cfgcleanup.c (try_forward_edges): Modify to not attempt to
        forward edges that cross section boundaries.
        * cfglayout.c (fixup_reorder_chain): Modify to only fix up
        partitioning information if the architecture supports named
        sections.
        * cfgrtl.c (target.h): Add statement to include this.
        (rtl_split_block): Make sure newly created bb gets correct
        partition.
        (try_redirect_by_replacing_jump): Make sure redirection isn't
        attempting to cross section boundaries.
        (force_nonfallthru_and_redirect): Only do partition fix up if
        architecture supports named sections.
        (rtl_split_edge): Make sure newly created bb ends up in
        correct partition.
        (commit_one_edge_insertion): Remove code that incorrectly
        updated basic block partition; Make sure partition fix up only
        happens if architecture supports named sections and it's not
        already done.
        (rtl_verify_flow_info_1): Fix if-condition on test/error
        condition that fallthru edges are not allowed to cross section
        boundaries.
        * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
        * final.c (final_scan_insn): Remove redundant test from if-statement;
        change calls to text_section into calls to function_section; add code
        to only to partitioning fix up if architecture supports named
        sections.
        * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
        partition.
        (if_convert): Add targetm.have_named_sections to test.
        * output.h (unlikely_section_label): Extern declaration for new global
        variable.
        (unlikely_text_section_name): Likewise.
        * opts.c (decode_options): If both partitioning and DWARF debugging
        are turned on, issue a warning that this doesn't work, and change
        partitiong to basic block reordering (without hot/cold partitions).
        * passes.c (rest_of_handle_final): Re-set new global variable,
        user_defined_section_attribute, to false.
        (rest_of_compilation): Change options for calling partitioning
        function: Don't call if the user defined the section attribute, and
        don't call if DECL_ONE_ONLY is true for the current function.
        * predict.c (choose_function_section): Return immediately if we
        are doing hot/cold partitioning (i.e. let the basic block partitioning
        determine where the function belongs).
        * reg-stack.c (emit_swap_insn): Add condition to step over
        NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
        * toplev.c (user_defined_section_attribute): New global variable.
        * toplev.h (user_defined_section_attribute): Extern declaration
        for new global variable.
        * varasm.c (unlikely_section_label): New global variable.
        (unlikely_text_section_name): New global variable.
        (unlikely_text_section): Add code to initialize
        unlikely_text_section_name if necessary; modify to use
        unlikely_text_section_name and unlikely_section_label; also to use
        named_section properly.
        (in_unlikely_text_section):  Modify to work correctly with
        named_section and to use unlikely_text_section_name.
        (named_section):  Add code to work properly with cold section.
        (function_section): Clean up if-statement.
        * config/darwin.c (darwin_asm_named_section): Return to original
        code, removing use of SECTION_FORMAT_STRING.
        * config/arm/pe.h (switch_to_section):  Add case for
        in_unlikely_executed_text to switch statement.
        * config/i386/cygming.h (switch_to_section): Likewise.
        * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
        (SECTION_FORMAT_STRING): Likewise.
        * config/mcore/mcore.h (switch_to_section): Likewise.
        * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
        (SECTION_FORMAT_STRING): Remove.

2004-08-18  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
        -ffixed-reg safe, by preserving the meanings of zero and one.
        (CALL_USED_REGISTERS): Likewise.
        (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.

2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (split_branches): Check the result of
        next_active_insn.
        (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
        Call rtl_register_cfg_hooks.

2004-08-18  Richard Henderson  <rth@redhat.com>

        * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
        * alias.c (true_dependence): Update to match new semantics.
        (canon_true_dependence, write_dependence_p): Likewise.
        (anti_dependence, output_dependence): Update write_dependence_p args.
        (unchanging_anti_dependence): Remove.
        * calls.c (purge_mem_unchanging_flag): Remove.
        (fixup_tail_calls): Don't call it.
        (expand_call): Don't add unchanging memory to function usage.
        * expr.c (emit_block_move_via_libcall): Likewise.
        (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
        (get_subtarget): Don't use RTX_UNCHANGING_P.
        (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
        (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
        * combine.c (get_last_value_validate): Use MEM_READONLY_P.
        * cse.c (insert): Don't use RTX_UNCHANGING_P.
        (cse_insn, canon_hash): Use MEM_READONLY_P.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
        instead of RTX_UNCHANGING_P.
        * explow.c (maybe_set_unchanging): Remove.
        * expr.h (maybe_set_unchanging): Remove.
        * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
        * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
        (assign_parm_setup_reg, expand_function_start): Likewise.
        * integrate.c (copy_rtx_and_substitute): Likewise.
        * ra-rewrite.c (emit_colors): Likewise.
        * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
        (fixup_match_1): Likewise.
        * reload1.c (reload, alter_reg): Likewise.
        * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
        not RTX_UNCHANGING_P.
        (equiv_init_varies_p): Likewise.
        * loop-invariant.c (check_maybe_invariant): Likewise.
        * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
        * loop.c (note_addr_stored): Likewise.
        (prescan_loop): Likewise. Don't check function usage for clobbered
        unchanging memory.
        * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
        not RTX_UNCHANGING_P.
        (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
        * varasm.c (force_const_mem): Likewise.
        * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
        * web.c (entry_register): Likewise.
        * tree-gimple.h (get_base_address): Move decl ...
        * tree.h: ... here.
        * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.

        * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
        called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
        (alpha_set_memflags): Update to match.

        * config/darwin.c (machopic_indirect_data_reference): Set
        MEM_READONLY_P instead of RTX_UNCHANGING_P.
        (machopic_indirect_call_target): Likewise.
        (machopic_legitimize_pic_address): Likewise.
        * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
        arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
        * config/arm/arm.md (load_multiple, store_multiple): Likewise.
        * config/frv/frv.md (symGOT2reg): Likewise.
        * config/i386/i386.c (legitimize_pic_address,
        legitimize_tls_address, ix86_split_to_parts): Likewise.
        * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
        * config/ia64/ia64.md (load_fptr): Likewise.
        * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
        * config/m68k/m68k.c (legitimize_pic_address): Likewise.
        * config/mcore/mcore.c (block_move_sequence): Likewise.
        * config/mn10300/mn10300.md (symGOT2reg): Likewise.
        * config/pa/pa.c (legitimize_pic_address): Likewise.
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
        (rs6000_emit_move): Likewise.
        * config/s390/s390.c (legitimize_pic_address): Likewise.
        (legitimize_tls_address): Likewise.
        * config/s390/s390.md (casesi): Likewise.
        * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
        * config/sh/sh.md (symGOT2reg): Likewise.
        * config/sparc/sparc.c (legitimize_pic_address): Likewise.
        * config/v850/v850.md (casesi): Likewise.

        * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
        * config/iq2000/iq2000.c (save_restore_insns): Likewise.
        * config/mips/mips.c (mips_restore_gp): Likewise.
        (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
        * config/sh/sh.c (sh_reorg): Likewise.

2004-08-18  Richard Henderson  <rth@redhat.com>

        * tree.h (struct tree_decl): Add gimple_formal_temp.
        (DECL_GIMPLE_FORMAL_TEMP_P): New.
        * gimplify.c (pop_gimplify_context): Clear it.
        (lookup_tmp_var): Set it, if is_formal.
        (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
        Use is_gimple_val for VECTOR.  Simplify return value.
        (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
        (gimplify_expr): Likewise.
        * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
        is_gimple_tmp_rhs for clarity.  Update all callers.
        (is_gimple_reg_rhs): Simplify logic.
        (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
        clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
        (is_gimple_formal_tmp_reg): Similarly.
        * tree-gimple.h: Update decls.
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
        DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
        * tree-ssa-live.c (var_union, type_var_init): Likewise.

2004-08-18  Paolo Bonzini  <bonzini@gnu.org>

        * c4x.c (legitimize_operands): Remove calls to
        preserve_subexpressions_p.

2004-08-18  David Edelsohn  <edelsohn@gnu.org>

        * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
        * defaults.h (MAX_OFILE_ALIGNMENT): ... here.

2004-08-18  Ziemowit Laski  <zlaski@apple.com>

        * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
        Objective-C++ extensions.
        * gengtype.c (get_file_basename): Match entire subdirectory name
        ('cp', 'objc', 'objcp') rather than just its suffix.
        (get_base_file_bitmap): Allow for files to belong to more than one
        language.
        (get_output_file_with_visibility): Treat objc/objc-act.h as a header
        used by more than one front-end.

2004-08-18  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
        avoid use of preserve_subexpressions_p.

2004-08-17  Richard Henderson  <rth@redhat.com>

        PR 17051
        * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.

2004-08-17  DJ Delorie  <dj@redhat.com>

        * doc/extend.texi: Document new xstormy16 attribute.

        * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
        (xstormy16_splittable_below100_or_register): New.
        (combine_bnp): New.
        (xstormy16_reorg): New.
        (TARGET_MACHINE_DEPENDENT_REORG): Define.

        * config/stormy16/stormy16.md (movqi_internal): Make name public.
        (movhi_internal): Likewise.
        (cbhranchhi): Likewise.
        (cbhranchhi_neg): Likewise.
        (andhi3): Only allow splittable below100 operands.
        (iorhi3): Likewise.
        (peephole2): New and/zero_extend->and peephole.
        (peephole2): New load/ior/save->set1 peephole.
        (peephole2): New load/and/save->clr1 peephole.
        (bclrx, bclrx2, bclr7, bclr15): New.
        (bsetx, bsetx2, bset7, bset15): New.

        * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
        liberal about acceptable 'B' masks.

        * config/stormy16/stormy16-protos.h
        (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
        xstormy16_below100_operand, xstormy16_below100_or_register,
        xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
        (PREDICATE_CODES): Add new predicates.

        * config/stormy16/stormy16.c
        (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
        xstormy16_below100_operand, xstormy16_below100_or_register,
        xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
        (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
        (xstormy16_legitimate_address_p): Allow below100 symbols.
        (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
        (xstormy16_expand_move): Leave below100 operands as-is.
        (xstormy16_encode_section_info): Encode below100 symbols.
        (xstormy16_strip_name_encoding): New.
        (xstormy16_print_operand): Print 'b' as shift mask.
        (xstormy16_attribute_table): Add below100 attributes.
        (xstormy16_handle_below100_attribute): New.

        * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
        (XSTORMY16_SECTION_FUNCTION): New.
        (EXTRA_SECTION_FUNCTIONS): Define using the above.
        (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
        (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
        (ASM_OUTPUT_LABELREF): Define.

        * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
        (movhi_internal): Add below100 support.
        (andhi3): Add below100 support.
        (iorhi3): Add below100 support.
        (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.

2004-08-17  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
        of VOIDmode for comparison code mode.
        * config/mips/mips.md: For conditional move patterns, use mode of
        first compare operand for comparison mode, instead of VOIDmode.

        * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
        normal and -ffast-math code.

2004-08-17  Mark Mitchell  <mark@codesourcery.com>

        PR c++/15871
        * doc/invoke.texi (-fkeep-inline-functions): Update documentation.

2004-08-17  Robert Bowdidge  <bowdidge@apple.com>

        * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.

2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>

        * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
        for non Darwin targets.
        (*call_value_nonlocal_darwin64): Likewise.

2004-08-17  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_function_value): Check for
        altivec mode for altivec return register.

2004-08-17  David Edelsohn  <edelsohn@gnu.org>

        Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
        * config/darwin.c (macho_indirect_data_reference): Add DImode case.
        * config/rs6000/rs6000.md: Include darwin.md.
        (builtin_setjmp_receiver): Add DImode case.
        * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
        Darwin bits.

2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
        trees.
        * tree-vectorizer.h: New File: Same.
        * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
        * common.opt (ftree-vectorize): New flag to enable vectorization.
        * timevar.def (TV_TREE_VECTORIZATION): New dump file for
        vectorization pass.
        * tree-data-ref.h (init_data_ref): Additional argument.
        (array_base_name_differ_p): Moved to tree-data-ref.c.
        * tree-data-ref.c (array_base_name_differ_p): Revised.
        (initialize_data_dependence_relation): Call array_base_name_differ_p
        with an extra argument.
        (analyze_all_data_dependences): Same.
        (init_data_ref): Additional argument is_read to set DR_IS_READ.
        * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
        file.
        * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
        * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
        * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
        vectorization pass.
        * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
        (tree_ssa_loop_done): Call scev_finalize.
        (tree_vectorize): Define the new vectorization pass.
        * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
        size of the vector they support (until support for multiple vector
        sizes is added to the vectorizer).
        * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
        * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
        * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
        documentation.

2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>

        * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
        usage.
        (generate_protocol_list, handle_impent): Likewise.

2004-08-17  Roger Sayle  <roger@eyesopen.com>

        * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
        ensure that call_used_regs is a superset of both fixed_regs and
        call_really_used_regs.

2004-08-17  Daniel Bornstein  <danfuzz@milk.com>

        PR target/17019
        * arm.md (addsi3_cbranch_scratch): Correct case labels.

2004-08-17  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/17036
        * fold-const.c (fold): Check for integer operand when
        folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
        Pinski  <pinskia@physics.uc.edu>.

2004-08-17  Paolo Bonzini  <bonzini@gnu.org>

        * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
        No need to check if in a cross configuration.
        * configure: Regenerate.

        * calls.c (precompute_register_parameters):
        Inline preserve_subexpressions_p ().
        * expmed.c (expand_mult_const, emit_store_flag): Likewise.
        * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
        Likewise.
        * expr.c (get_subtarget): Likewise.
        * rtl.h (preserve_subexpressions_p): Remove.
        * stmt.c (preserve_subexpressions_p): Remove.

        * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
        TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
        Abort on gimplified cases.

2004-08-16  James E Wilson  <wilson@specifixinc.com>

        * tree.h (VECTOR_FLOAT_TYPE_P): New.
        (FLOAT_TYPE_P): Use it.
        * c-typeck.c (build_binary_op): After convert calls, check for
        check for ERROR_MARK operands.

2004-08-16  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
        (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
        (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
        (genobjs static pattern rule): Remove %.c dependency.
        ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
        Rename rules; delete commands; fix dependencies.
        (mostlyclean): Do not delete temporary source copies.
        * configure.ac: Delete all references to BUILD_PREFIX and
        BUILD_PREFIX_1.
        * configure: Regenerate.

        * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
        Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
        basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
        with #ifndef GENERATOR_FILE so that nothing from those headers
        is used.

        * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.

2004-08-16  Adam Nemet  <anemet@lnxw.com>

        * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).

2004-08-16  Andrew Pinski  <apinski@apple.com>

        * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
        extraneous semicolon.

2004-08-16  Devang Patel  <dpatel@apple.com>

        * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
        * print-tree.c (print_node): Print DECL_PRESERVE_P.
        * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
        (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
        * target.h (struct gcc_target): New member, mark_decl_preserved.
        * hooks.c (hook_void_charptr): Rename to ...
        (hook_void_constcharptr): ... new name.
        * hooks.h (hook_void_charptr): Rename to ..
        (hook_void_constcharptr): ... new name.
        * tree.h (DECL_PRESERVE_P): New #define.
        (struct tree_decl): New member, preserve_flag.
        * varasm.c (assemble_start_function): Mark decl preserved.
        (assemble_variable): Same.
        * darwin.c (darwin_mark_decl_preserved): New function.
        * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
        * darwin-protos.h (darwin_mark_decl_preserved): New decl.
        * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.

2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c (grokdeclarator): Allow for function definition where
        innermost declarator has attributes.

2004-08-16  Fariborz Jahanian <fjahanian@apple.com>

        * except.c (get_exception_filter, build_post_landing_pads,
        dw2_build_landing_pads): Use target-specific mode for 'filter'.
        * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
        * target.h (eh_return_filter_mode): New field added.
        * targhooks.c (default_eh_return_filter_mode): Defined.
        * targhooks.h (default_eh_return_filter_mode): Declared.
        * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.

2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
        ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
        * configure: Regenerate.

2004-08-16  Stan Shebs  <shebs@apple.com>

        Basic support for 64-bit Darwin.
        * config/darwin.c (macho_indirect_data_reference): Add DImode case.
        (machopic_legitimize_pic_address): Similarly, plus use Pmode
        instead of SImode.
        * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
        (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
        (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
        (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
        (PROCESSOR_DEFAULT64): Define.
        * config/rs6000/darwin.md: New file, patterns specific to 64-bit
        Darwin.
        * config/rs6000/rs6000.md: Include darwin.md.
        (builtin_setjmp_receiver): Add DImode case.
        * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
        Darwin.
        (TARGET_ASM_ALIGNED_DI_OP): Ditto.
        (rs6000_emit_move): Add DImode case to Darwin bits.
        (machopic_output_stub): Use .quad if 64-bit.
        * invoke.texi: Document -m32 and -m64.

2004-08-16  Janis Johnson  <janis187@us.ibm.com>

        * doc/extend.texi (AltiVec builtins): Document additional differences
        from the Motorola AltiVec PIM.

2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>

        * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
        * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
        (struct tree_common): Update public_flag documentation.

2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>

        * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
        Check for artificial variables, not is_gimple_tmp_var.
        * tree-ssa-live.c (var_union): Likewise.

2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>

        * calls.c (load_register_parameters): Remove spurious FIXME token.

2004-08-15  Ziemowit Laski  <zlaski@apple.com>

        * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
        (c-lang.o): Depend on c-objc-common.h.
        (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
        c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
        * c-lang.c: Include c-objc-common.h.
        (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
        LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
        LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
        LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
        LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
        LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
        LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
        LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
        LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
        LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
        LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
        LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
        LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
        LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
        LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
        LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
        LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
        LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
        LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
        LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
        LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
        LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
        LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
        LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
        Move to c-objc-common.h.
        * c-objc-common.c: Include c-objc-common.h.
        * c-objc-common.h: New file.

2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
            Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/14931
        * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
        style.

2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>

        * tree.h (build_int_cst): New.
        (build_int_2): Remove.
        * tree.c (build_int_2): Remove.
        (build_int_cst): New.
        (make_vector_type, build_common_tree_nodes,
        build_common_tree_nodes_2): Use build_int_cst.
        * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
        expand_builtin_strpbrk, expand_builtin_fputs,
        build_string_literal, expand_builtin_printf,
        expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
        fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
        fold_builtin_isdigit, simplify_builtin_strstr,
        simplify_builtin_strpbrk, fold_builtin_fputs,
        simplify_builtin_sprintf): Use build_int_cst.
        * c-common.c (start_fname_decls, fix_string_type,
        c_common_nodes_and_builtins, c_init_attributes,
        shorten_compare): Likewise.
        * c-decl.c (complete_array_type,
        check_bitfield_type_and_width): Likewise.
        * c-lex.c (interpret_integer, lex_charconst): Likewise.
        * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
        * c-pretty-print.c (pp_c_integer_constant): Likewise.
        * c-typeck.c (really_start_incremental_init, push_init_level,
        set_nonincremental_init_from_string): Likewise.
        * calls.c (load_register_parameters): Likewise.
        * convert.c (convert_to_pointer): Likewise.
        * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
        build_fn_info_type, build_ctr_info_value, build_gcov_info):
        Likewise.
        * except.c (init_eh, assign_filter_values, assign_filter_values):
        Likewise.
        * expmed.c (store_fixed_bit_field, extract_bit_field,
        extract_fixed_bit_field, extract_split_bit_field, expand_shift,
        expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
        expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
        * expr.c (convert_move, emit_group_load, emit_group_store,
        expand_assignment, store_constructor, store_field,
        expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
        * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
        invert_truthvalue, optimize_bit_field_compare,
        decode_field_reference, all_ones_mask_p, constant_boolean_node,
        fold_div_compare, fold, fold_read_from_constant_string,
        fold_negate_const, fold_abs_const, fold_not_const): Likewise.
        * function.c (assign_parm_setup_block): Likewise.
        * stmt.c (shift_return_value, expand_end_case_type,
        estimate_case_costs): Likewise.
        * stor-layout.c (layout_type, initialize_sizetypes,
        set_min_and_max_values_for_integral_type): Likewise.
        * tree-chrec.c (chrec_fold_multiply_poly_poly,
        reset_evolution_in_loop): Likewise.
        * tree-chrec.h (build_polynomial_chrec): Likewise.
        * tree-complex.c (build_replicated_const): Likewise.
        * tree-eh.c (honor_protect_cleanup_actions,
        lower_try_finally_onedest, lower_try_finally_copy,
        lower_try_finally_switch): Likewise.
        * tree-mudflap.c (mf_build_string, mx_register_decls,
        mudflap_register_call, mudflap_enqueue_constant): Likewise.
        * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
        Likewise.
        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
        * tree-ssa-loop-niter.c (number_of_iterations_cond,
        loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
        Likewise.

        * config/alpha/alpha.c (alpha_initialize_trampoline,
        alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
        * config/arm/arm.c (arm_get_cookie_size): Likewise.
        * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
        * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
        * config/i860/i860.c (i860_va_start): Likewise.
        * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
        * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
        mips_gimplify_va_arg_expr): Likewise.
        * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
        * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
        add_compiler_branch_island): Likewise.
        * config/s390/s390.c (s390_va_start): Likewise.
        * config/sh/sh.c (sh_va_start): Likewise.
        * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
        Likewise.
        * config/xtensa/xtensa.c (xtensa_va_start,
        xtensa_gimplify_va_arg_expr): Likewise.

        * objc/objc-act.c (build_objc_string_object,
        build_objc_symtab_template, init_def_list, init_objc_symtab,
        init_module_descriptor, generate_static_references,
        build_selector_translation_table, get_proto_encoding,
        build_typed_selector_reference, build_selector_reference,
        build_next_objc_exception_stuff,
        build_method_prototype_list_template, generate_descriptor_table,
        generate_protocols, build_protocol_initializer,
        build_ivar_list_template, build_method_list_template,
        build_ivar_list_initializer, generate_ivars_list,
        generate_dispatch_table, generate_protocol_list,
        build_category_initializer, build_shared_structure_initializer,
        generate_shared_structures, handle_impent,
        generate_objc_image_info): Use build_int_cst.

2004-08-15  Ben Elliston  <bje@au.ibm.com>

        * vec.h: Comment improvements.

2004-08-14  Roger Sayle  <roger@eyesopen.com>

        * c-common.c (shorten_compare, pointer_int_sum,
        c_common_truthvalue_conversion, boolean_increment): Replace calls
        to build with calls to buildN.
        * c-decl.c (complete_array_type, grokdeclarator): Likewise.
        * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
        gimplify_switch_stmt): Likewise.
        * c-typeck.c (default_function_array_conversion,
        build_component_ref, build_array_ref, build_function_call,
        pointer_diff, build_unary_op, build_conditional_expr,
        build_compound_expr, build_modify_expr, c_finish_goto_label,
        c_finish_goto_ptr, c_finish_return, c_finish_loop,
        c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
        build_binary_op): Likewise.

2004-08-15  Steven Bosscher  <stevenb@suse.de>

        * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.

2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
        curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
        * fixinc/fixincl.x: Rebuilt.

2004-08-14  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_symbolic_constant_p)
        (mips_atomic_symbolic_constant_p, mips_stack_address_p)
        (mips_small_data_pattern_p): Declare.
        * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
        (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
        * config/mips/mips.c (mips_symbolic_constant_p): Make global.
        (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
        (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
        (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
        (reg_or_const_float_1_operand, hilo_operand, extend_operator)
        (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
        (pc_or_label_operand, call_insn_operand, move_operand)
        (consttable_operand, symbolic_operand, general_symbolic_operand)
        (global_got_operand, local_got_operand, stack_operand)
        (fp_register_operand, lo_operand, fcc_register_operand): Delete.
        (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
        (mips_small_data_pattern_p): Replace previous small_data_pattern
        predicate.  Turn into a bool () (rtx) function.
        * config/mips/predicates.md: New file.
        * config/mips/mips.md: Include it.  Use the target-independent
        comparison_operator instead of cmp_op.  Rename trap_cmp_op to
        trap_comparison_operator and equality_op to equality_operator.
        Replace uses of small_int with the equivalent const_arith_operand.
        Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
        const_float_1_operand to const_1_operand.  Rename fcc_register_operand
        to fcc_reload_operand.
        * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.

2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR libstdc++/17005 partial fix.
        * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
        except when generating ANSI/C89 code.

2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>

        * c-common.c (shorten_compare): Use force_fit_type directly.

2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
            Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
            Dave Korn  <dk@artimi.com>

        * doc/install.texi (Building): Avoid duplicate reference to GNU
        make requirement.
        (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.

2004-08-14  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
        * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.

2004-08-13  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
        for constant_call_address_operand.
        (call_value_pop_1, call_value_1): Likewise.
        (sibcall_value_1, call_value_1_rex64): Likewise.

2004-08-13  James E Wilson  <wilson@specifixinc.com>

        * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
        Correct mode from SFmode to DFmode.

2004-08-13  Ziemowit Laski  <zlaski@apple.com>

        * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
        __cstring_object and __image_info sections with the no_dead_strip
        attribute.

2004-08-13  Roger Sayle  <roger@eyesopen.com>
            David Billinghurst  <David.Billinghurst@riotinto.com>

        PR libgfortran/15930
        * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/internal/math_core.h: New file.

2004-08-13  Richard Henderson  <rth@redhat.com>

        * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
        (dbxout_function_end): Remove ifdefs for it.
        (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.

2004-08-13  Richard Henderson  <rth@redhat.com>

        * Makefile.in (insn-preds.o): Depend on TREE_H.
        * genpreds.c (write_insn_preds_c): Include tree.h.
        * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
        reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
        const48_operand, and_operand, or_operand, mode_width_operand,
        mode_mask_operand, mul8_operand, const0_operand,
        hard_fp_register_operand, hard_int_register_operand,
        reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
        samegp_function_operand, direct_call_operand, small_symbolic_operand,
        global_symbolic_operand, call_operand, symbolic_operand,
        dtp16_symbolic_operand, dtp32_symbolic_operand,
        gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
        gottp_symbolic_operand, alpha_comparison_operator,
        alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
        signed_comparison_operator, alpha_fp_comparison_operator,
        divmod_operator, fix_operator, aligned_memory_operand,
        unaligned_memory_operand, reg_or_unaligned_mem_operand,
        any_memory_operand, reg_not_elim_operand, normal_memory_operand,
        reg_no_subreg_operand, addition_operation): Move to predicates.md.
        (reg_or_const_int_operand): Remove.  Replace all users with
        reg_or_cint_operand.
        (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
        (resolve_reload_operand): Split out of aligned_memory_operand.
        * config/alpha/alpha-protos.h: Update for exports.
        * config/alpha/alpha.h (PREDICATE_CODES): Remove.
        * config/alpha/alpha.md: Include predicates.md.
        * config/alpha/predicates.md: New file.

2004-08-13  Richard Sandiford  <rsandifo@redhat.com>

        * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
        fields with a pointer to the instruction definition.
        (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
        (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
        (write_attr_case, write_const_num_delay_slots): Update accordingly.
        (write_attr_case, write_const_num_delay_slots): Write the name of
        an insn next to its case statement.
        * genoutput.c (data): Add a filename field.
        (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
        (output_insn_data): Print the location of each insn definition.
        * genrecog.c (write_action): Print the name of an insn above
        the statement that returns its code.

2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
        * config/libgloss.h: Likewise.
        * config/arm/arm.c (arm_gen_load_multiple): Likewise.
        * c4x/c4x-modes.def: Likewise.
        * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
        (c4x_rptb_nop_p): Likewise.
        (c4x_rptb_valid_p): Likewise.
        (c4x_rptb_insert): Likewise.
        (c4x_address_conflict): Likewise.
        * config/c4x/c4x.md: Likewise.
        * config/frv/frv.md: Likewise.
        * config/i386/athlon.md: Likewise.
        * config/i386/i386.md: Likewise.
        * config/i386/predicates.md: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/ia64/itanium1.md: Likewise.
        * config/ia64/itanium2.md: Likewise.
        * config/iq2000/iq2000.md: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/mips/r3900.h: Likewise.
        * config/mips/sb1.md: Likewise.
        * config/pa/milli64.S: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pa/pa.h: Likewise.
        * config/rs6000/8540.md: Likewise.

2004-08-13  Daniel Berlin  <dberlin@dberlin.org>

        * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.

2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.md (cbranch define_delay) Use cond_delay_slot for
        non-anulled condition too.

2004-08-12  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
        * config/rs6000/rs6000.h (PREDICATE_CODES): Add
        any_parallel_operand, lmw_operation, stmw_operation,
        mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
        * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
        any_parallel_operand.
        (return_and_restore_fpregs_{si,di}): Same.

2004-08-12  Zack Weinberg  <zack@codesourcery.com>

        * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
        if pred->singleton != PARALLEL, issue a warning and pretend it was.
        Also issue a warning for any predicate we don't know about.

2004-08-12  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (internal_label_prefix): Export.
        (internal_label_prefix_len, struct ix86_address,
        ix86_decompose_address, maybe_get_pool_constant,
        ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
        memory_address_length): Export.
        (any_fp_register_operand, fp_register_operand,
        register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
        x86_64_general_operand, x86_64_szext_general_operand,
        x86_64_nonmemory_operand, x86_64_movabs_operand,
        x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
        x86_64_zext_immediate_operand, const_int_1_31_operand,
        symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
        tls_symbolic_operand, global_dynamic_symbolic_operand,
        local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
        local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
        constant_call_address_operand, const0_operand, const1_operand,
        const248_operand, const_0_to_3_operand, const_0_to_7_operand,
        const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
        shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
        general_no_elim_operand, nonmemory_no_elim_operand,
        index_register_operand, q_regs_operand, flags_reg_operand,
        non_q_regs_operand, zero_extended_scalar_load_operand,
        vector_move_operand, no_seg_address_operand, sse_comparison_operator,
        ix86_comparison_operator, ix86_carry_flag_operator,
        fcmov_comparison_operator, promotable_binary_operator,
        cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
        mult_operator, div_operator, arith_or_logical_operator,
        memory_displacement_operand, cmpsi_operand, long_memory_operand,
        aligned_operand): Move to predicates.md as define_predicates.
        (tls_symbolic_operand_1): Remove.
        (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
        (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
        (legitimize_address): Merge tls_symbolic_operand contents.
        (ix86_expand_move): Likewise.
        * config/i386/i386-protos.h: Update for exports.
        * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
        (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
        * config/i386/i386.md: Include predicates.md.
        * config/i386/predicates.md: New file.

2004-08-13  Mark Mitchell  <mark@codesourcery.com>

        PR c++/16924
        * config/i386/winnt.c (i386_pe_mark_dllexport): Set
        SYMBOL_REF_DECL.
        (i386_pe_mark_dllimport): Likewise.
        (i386_pe_encode_section_info): Likewise, when overriding
        dllimport attribute.

2004-08-12  Geoffrey Keating  <geoffk@apple.com>

        * configure.ac: When testing for flex, nm, ar, and bison, check
        that they will actually be built.
        * configure: Regenerate.

2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
        (MOVE_MAX_PIECES): Define.

2004-08-12  Devang patel  <dpatel@apple.com>

        * dbxout.c (dbxout_begin_prologue): New function.
        (dbx_debug_hooks): Use new begin prologue hook.
        (dbxout_function_end): Emit N_ENSYM.
        * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.

2004-08-12  Janis Johnson  <janis187@us.ibm.com>

        * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
        argument is float*.

        * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
        for vec_dss.

        * doc/extend.texi (AltiVec builtins): Fix description for recent
        changes.  Update operation list to match current support.

2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (struct s390_frame_layout): New struct as element
        of struct machine_function.
        (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
        changed all uses.
        (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
        changed all uses.
        (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
        (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
        (s390_frame_area, s390_register_info): New functions.
        (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
        for base register.
        (s390_return_addr_rtx, s390_return_address_offset)
        (s390_va_start, s390_gimplify_va_arg)
        (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
        layouts.
        (s390_frame_info): Functionality partly moved to s390_register_info.
        Made adaptions for new stack layout.
        (save_gprs, restore_gprs): Changed meaning of second parameter and
        adapted all callers.

        * config/s390/s390.h (s390_backchain_string): New global variable.
        (MASK_BACKCHAIN): Removed definition.
        (TARGET_BACKCHAIN): Changed check.
        (TARGET_KERNEL_BACKCHAIN): New macro.
        (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
        (TARGET_OPTIONS): Added "backchain", "no-backchain" and
        "kernel-backchain".
        (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.

        * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
        as condition.  Adjusted for new stack layout.

        * doc/invoke.texi: Added documentation for new option
        "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
        "-mno-backchain".

2004-08-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
        (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.

2004-08-12  David Daney  <ddaney@avtrex.com>

        * java/gcj.texi:  Add subsection on signal usage.

2004-08-12  David Edelsohn  <edelsohn@gnu.org>

        * expr.c (move_by_pieces): Set alignment for move to minimum of
        MOVE_MAX_PIECES mode alignment and the largest non-slow mode
        alignment, but not less than the original alignment.
        (move_by_pieces_ninsns): Same.
        (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
        (store_by_pieces_1): Same.

2004-08-12  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/16867
        * tree.c (is_global_var): New function.
        (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
        Call is_global_var.
        * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
        Update all users.
        (is_global_var): Declare.
        * tree-dfa.c (dump_variable): Display global and addressable
        attributes.
        (add_referenced_var): Clarify documentation when marking
        variables call-clobbered.
        * tree-flow-inline.h (is_call_clobbered): Call is_global_var
        instead of needs_to_live_in_memory.
        (mark_call_clobbered): If the variable is a tag, mark it
        DECL_EXTERNAL.
        * tree-gimple.c (is_gimple_reg): Don't check for
        TREE_ADDRESSABLE.
        (is_gimple_non_addressable): Likewise.
        * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
        needs to be marked call-clobbered.
        (setup_pointers_and_addressables): Call is_global_var instead
        of needs_to_live_in_memory.
        * tree-ssa-dce.c (need_to_preserve_store): Remove.
        Update all users with is_global_var.
        (mark_stmt_if_obviously_necessary): Fix processing of aliased
        stores.  Don't check the virtual definitions.  Rather, check
        whether the store is going into global memory.
        (find_obviously_necessary_stmts): Get the symbol from the PHI
        result.
        * tree-ssa-operands.c (get_call_expr_operands): Do not add
        clobbering may-defs if the call does not have side effects.

2004-08-12  Jakub Jelinek  <jakub@redhat.com>

        PR c++/16276
        * output.h (default_function_rodata_section,
        default_no_function_rodata_section): New prototypes.
        * target.h (struct gcc_target): Add asm_out.function_rodata_section.
        * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
        (TARGET_ASM_OUT): Add it.
        * varasm.c (default_function_rodata_section,
        default_no_function_rodata_section): New functions.
        * final.c (final_scan_insn): Call
        targetm.asm_out.function_rodata_section instead of
        readonly_data_section.
        * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
        * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
        * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
        * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
        Likewise.
        * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
        * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
        Likewise.
        * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
        Likewise.
        * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
        * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
        * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.

2004-08-12  Paul Brook  <paul@codesourcery.com>

        * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
        frame info.
        * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
        DWARF2_UNWIND_INFO.

2004-08-12  Ben Elliston  <bje@au.ibm.com>

        PR target/16286
        * config/rs6000/altivec.h: Change vector to __vector throughout.
        (Except for the `vector' macro itself).

2004-08-12  Zack Weinberg  <zack@codesourcery.com>

        * genpreds.c: Add capability to generate predicate bodies as
        well as function prototypes.  Write function prototypes for
        the generic predicates too.
        (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
        (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
        (write_match_code, write_predicate_expr, write_one_predicate_function)
        (parse_option): New functions.
        (output_predicate_decls): Delete.
        (main): Read the machine description, process DEFINE_PREDICATE or
        DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
        as appropriate.

        * genrecog.c (struct decision_test): Replace index with
        struct pred_data pointer.
        (next_index): Remove, unused.
        (pred_table, preds, special_mode_pred_table): Delete.
        (compute_predicate_codes, process_define_predicate): New functions.
        (validate_pattern, add_to_sequence, write_switch): Update for
        new data structures.
        (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
        Check both error_count and have_error.

        * gensupport.c (in_fname, first_predicate): New globals.
        (define_pred_queue, define_pred_tail): New RTL-pattern queue.
        (predicate_table, last_predicate, old_pred_table)
        (old_special_pred_table): New statics.
        (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
        (add_predicate, init_predicate_table): New functions.
        (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
        (init_md_reader_args_cb): Use the global in_fname.  No need to zero
        it or max_include_len.  Call init_predicate_table.
        (read_rtx): Run the predicate queue after the attribute queue
        but before all the others.
        * gensupport.h (in_fname, struct pred_data, first_predicate)
        (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
        * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
        (DEFINE_SPECIAL_PREDICATE): New RTL codes.
        * dummy-conditions.c: Don't include bconfig.h, system.h,
        coretypes.h, tm.h, or system.h.  Do include stddef.h.
        Duplicate declaration of struct c_test from gensupport.h.

        * Makefile.in (OBJS-common): Add insn-preds.o.
        (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
        (insn-preds.c, insn-preds.o): New rules.
        (s-preds): Also generate insn-preds.c.
        (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
        Update dependencies.
        (print-rtl.o, print-rtl1.o): Correct dependencies.

        * recog.h: Delete prototypes of predicate functions.

        * doc/md.texi (Predicates): New section with complete
        documentation of operand/operator predicates.  Remove some
        incomplete documentation of predicates from other places.
        * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
        PREDICATE_CODES; indicate that both are deprecated in favor
        of define_predicate/define_special_predicate.

        * config/ia64/ia64.c: All predicate function definitions moved
        to ia64.md, except
        (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
        (ia64_expand_load_address, ia64_expand_move):
        Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.

        * config/ia64/ia64.md: All predicates now defined here.
        (symbolic_operand): Is now a special predicate.

        * config/ia64/ia64.h: Declare ia64_section_threshold.
        (PREDICATE_CODES): Delete.

2004-08-12  Richard Henderson  <rth@redhat.com>

        * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
        * c-semantics.c (add_stmt): Set it.
        * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
        before instantiating a variable sized type.

2004-08-12  Richard Henderson  <rth@redhat.com>

        * stor-layout.c (round_up, round_down): Move ...
        * fold-const.c (round_up, round_down): ... here.  Use
        multiple_of_p to avoid any arithmetic at all.

2004-08-12  Richard Henderson  <rth@redhat.com>

        * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
        (gimplify_init_ctor_preeval_1): New.
        (gimplify_init_ctor_preeval): New.
        (gimplify_init_ctor_eval): New.
        (gimplify_init_constructor): Use them.  Always gimplify the LHS
        object first.

2004-08-12  Ziemowit Laski  <zlaski@apple.com>

        (This patch is part of merge of objc-improvements-branch
        into mainline.)

        * doc/frontends.texi: Mention Objective-C++ in addition to
        Objective-C.
        * doc/install.texi: Add 'obj-c++' to list of configurable
        languages.
        * doc/invoke.texi: Rename Objective-C option headings to
        indicate they also apply to Objective-C++.  List file
        extensions for Objective-C++ sources.  Mention that
        ObjC and ObjC++ compilations may also use C and C++ options,
        respectively.  Point users to doc/standards.texi for
        further info on ObjC and ObjC++.
        * doc/sourcebuild.texi: Mention the objcp/ directory and
        the Objective-C++ sources it contains.
        * doc/standards.texi: Update link to Apple ObjC site;
        add link to gcc readings.html WWW doc.

2004-08-12  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
        and 2004-07-14 changes.

2004-08-12  Paul Brook  <paul@codesourcery.com>

        * doc/invoke.texi: Fix typo.

2004-08-11 Devang Patel  <dpatel@apple.com>

        * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
        and -no_dead_strip_inits_and_terms.
        (LINK_SPEC): Same.
        * doc/invoke.texi (Darwin Options): Document -dead_strip and
        -no_dead_strip_inits_and_terms.

2004-08-11  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
        (arm_load_pic_register): ... to this.
        * config/arm/arm.c (arm_finalize_pic): Rename ...
        (arm_load_pic_register): ... to this.  Always output insns at the
        current location.  Load via low reg in thumb mode.
        (arm_expand_prologue): Call arm_load_pic_register.
        (thumb_expand_prologue): Ditto.
        * config/arm/arm.h (FINALIZE_PIC): Remove.
        * config/arm/arm.md (builtin_setjmp_receiver): Call
        arm_load_pic_register.

2004-08-11  Paul Brook  <paul@codesourcery.com>

        * arm.c (thumb_force_lr_save): Add prototype.
        (thumb_compute_save_reg_mask): New function.
        (thumb_find_work_register): New function.
        (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
        (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
        Don't clobber r3 when removing pretend args.
        (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
        (thumb_output_function_prologue): Use new functions.
        (thumb_set_return_address): Use thumb_compute_save_reg_mask.
        * arm.h (THUMB_REG_PUSHED_P): Remove.

2004-08-11  James E Wilson  <wilson@specifixinc.com>

        PR rtl-optimization/16490
        * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
        global_live_at_end for new basic block if already set for other blocks.

2004-08-11 David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.

        * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
        (mfcr rlwinm rlwinm patterns): Set length to 12.

2004-08-11  Andrew MacLeod  <amacleod@redhat.com>

        * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
        get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
        (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
        (start_ssa_stmt_operands): Delete.
        * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
        struct stmt_operands_d.
        (build_ssa_operands): New extern entry point.
        * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
        building code, replace with create_ssa_artficial_load_stmt().
        * tree-ssa-operands.c (struct voperands_d): Delete.
        (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
        (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
        (free_uses, free_defs, free_vuses, free_v_may_defs,
        free_v_must_defs): Remove dealloc parameter.
        (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
        (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
        finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
        vector comparisons, ssa_name reuse, and allocations here.
        (verify_start_operands): Delete.
        (finalize_ssa_stmt_operands): Set new operands by calling finalize
        routines.
        (start_ssa_stmt_operands): Move from tree-flow-inline.h.
        (append_def, append_usei): Simplify to simple accumulation.
        (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
        duplicates and simple accumulation.
        (free_ssa_operands): Free vectors in a stmt_operand structure.
        (build_ssa_operands): New. Create a new stmt_operand structure from
        a stmt and an old set of stmt_operands.
        (get_stmt_operands): Simplify and call build_ssa_operands.
        (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
        get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
        add_call_read_ops): Don't pass prev_vops around anymore.
        (note_addressable): Return if no stmt annotation.
        (copy_virtual_operands): Access v_may_def operands through a struct.
        (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
        hash tables without treating the stmt as a real stmt.
        * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
        v_may_def def and use through a struct instead of 2 array elements.
        (struct v_may_def_optype_d): Use v_may_def_operand_type.
        (struct stmt_operands_d): New.  Struct for storing all operand vectors.

2004-08-11  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (arm_is_longcall_p): Update comment describing
        this funciton's behaviour.  Return true when the current function
        has a section attribute and -mlong-calls is in effect.
        * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
        short-call marker when -mlong-calls is in effect and the function
        has a section attribute.

2004-08-10  Zack Weinberg  <zack@codesourcery.com>

        * stmt.c (expand_return): If asked to return the RESULT_DECL,
        just call expand_value_return on result_rtl.

2004-08-10  Richard Henderson  <rth@redhat.com>

        * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
        * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
        * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
        (add_location_or_const_value_attribute): ... not here.  Use
        loc_descriptor_from_tree if possible.
        (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
        Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
        values specially.
        (loc_descriptor_from_tree): New.  Update callers.
        * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
        * gimplify.c (gimplify_decl_expr): Lower variable sized types to
        pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
        (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
        and BUILT_IN_STACK_RESTORE.
        (gimplify_expr): Lower DECL_VALUE_EXPR decls.
        * stmt.c (expand_stack_alloc): Remove.
        * tree-mudflap.c (mx_register_decls): Don't look for
        BUILT_IN_STACK_ALLOC.
        * tree-nested.c (convert_local_reference): Likewise.
        * tree.h (DECL_VALUE_EXPR): New.

2004-08-10  Richard Henderson  <rth@redhat.com>

        * stor-layout.c (round_up): Check for 0/1 before dividing.
        (round_down): Likewise.

        * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.

2004-08-09  Mark Mitchell  <mark@codesourcery.com>

        * config.gcc (arm*-*-eabi*): New target.
        * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
        (TARGET_LIB_INT_CMP_BIASED): Likewise.
        * expmed.c (expand_divmod): Try a two-valued divmod function as a
        last resort.
        * gthr.h: Remove bogus tokens at end of #pragma.
        * optabs.c (expand_twoval_binop_libfunc): New function.
        (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
        (prepare_float_lib_cmp): Try reversing the condition.
        (debug_optab_libfuncs): New function.
        * optabs.h (expand_twoval_binop_libfunc): Declare.
        * config/arm/arm.c (arm_init_libfuncs): New function.
        (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
        (TARGET_INIT_LIBFUNCS): Define it.
        * config/arm/arm.h (TARGET_BPABI): New macro.
        * config/arm/arm-protos.h
        (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
        * config/arm/bpabi.S: New file.
        * config/arm/bpabi.c: Likewise.
        * config/arm/bpabi.h: Likewise.
        * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
        (__aeabi_drsub): Likewise.
        (__aeabi_dsub): Likewise.
        (__aeabi_dadd): Likewise.
        (__aeabi_ui2d): Likewise.
        (__aeabi_i2d): Likewise.
        (__aeabi_f2d): Likewise.
        (__aeabi_dmul): Likewise.
        (__aeabi_ddiv): Likewise.
        (__aeabi_cdrcmple): Likewise.
        (__aeabi_cdcmpeq): Likewise.
        (__aeabi_cdcmple): Likewise.
        (__aeabi_dcmpeq): Likewise.
        (__aeabi_dcmplt): Likewise.
        (__aeabi_dcmple): Likewise.
        (__aeabi_dcmpge): Likewise.
        (__aeabi_dcmpgt): Likewise.
        (__aeabi_dcmpun): Likewise.
        (__aeabi_d2iz): Likewise.
        (__aeabi_d2uiz): Likewise.
        (__aeabi_d2f): Likewise.
        * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
        (__aeabi_frsub): Likewise.
        (__aeabi_fsub): Likewise.
        (__aeabi_fadd): Likewise.
        (__aeabi_ui2f): Likewise.
        (__aeabi_i2f): Likewise.
        (__aeabi_fmul): Likewise.
        (__aeabi_fdiv): Likewise.
        (__aeabi_cfrcmple): Likewise.
        (__aeabi_cfcmpeq): Likewise.
        (__aeabi_cfcmple): Likewise.
        (__aeabi_fcmpeq): Likewise.
        (__aeabi_fcmplt): Likewise.
        (__aeabi_fcmple): Likewise.
        (__aeabi_fcmpge): Likewise.
        (__aeabi_fcmpgt): Likewise.
        (__aeabi_fcmpun): Likewise.
        (__aeabi_f2iz): Likewise.
        (__aeabi_f2uiz): Likewise.
        * config/arm/lib1funcs.asm (ARM_CALL): New macro.
        (__aeabi_uidivmod): New function or alias.
        (__aeabi_idivmod): Likewise.
        (__aeabi_idiv0): Likewise.
        (__aeabi_ldiv0): Likewise.
        (__aeabi_llsr): Likewise.
        (__aeabi_lasr): Likewise.
        (__aeabi_llsl): Likewise.
        (bpabi.S): Include it.
        * config/arm/libgcc-bpabi.ver: New file.
        * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
        (LINK_SPEC): Remove.
        * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
        __aeabi_ulcmp.
        * config/arm/t-bpabi: New file.
        * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
        (TARGET_LIB_INT_CMP_BIASED): Likewise.

2004-08-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
        * config/rs6000/rs6000.md (clrmemsi): New pattern.
        * config/rs6000/rs6000.c (expand_block_clear): New function.
        (expand_block_move): Convert alignment to bits.  Use SImode and
        HImode for unaligned addresses if not STRICT_ALIGNMENT.

2004-08-10  Caroline Tice  <ctice@apple.com>

        * varasm.c (unlikely_section_label): New global variable.
        (unlikely_text_section_name): New global variable.
        (text_section):  Remove alignment statement.
        (unlikely_text_section): Remove alignment statement; use
        unlikely_section_label rather than hard-coded string.
        (assemble_start_function): Initialize unlikely_section_label and
        unlikely_text_section_name;  make sure cold section is properly
        aligned at start of function; output unlikely_section_label if
        appropriate.

2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
        * config/s390/s390.c (s390_canonicalize_comparison): New function.
        * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
        * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
        "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
        ("*tmqi_mem"): Remove SUBREG from pattern.
        ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
        ("*andsi3_cconly"): Likewise.

2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/16909
        * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.

2004-08-10  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi (compat testing): Document available test
        framework commands.  Use the preferred spelling of DejaGnu.

2004-08-10  Daniel Berlin <dberlin@dberlin.org>

        * lambda.h: Add matrix type, and prototypes for remainder of
        matrix and vector functions.
        (lambda_vector_mult_const): New function.
        (lambda_vector_negate): Ditto.
        (lambda_vector_add): Ditto.
        (lambda_vector_add_mc): Ditto.
        (lambda_vector_copy): Ditto.
        (lambda_vector_zerop): Ditto.
        (lambda_vector_equal): Ditto.
        (lambda_vector_min_nz): Ditto.
        (lambda_vector_first_nz): Ditto.
        (lambda_vector_matrix_mult): Ditto.
        * lambda-mat.c: New file.
        * Makefile.in (lambda-mat.o): New.

2004-08-10  Andrew MacLeod  <amacleod@redhat.com>

        * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
        after linking stmt into the program.
        (bsi_remove): Don't call modify_stmt.
        * tree-complex.c (update_complex_assignment,
        expand_complex_comparison): Call modify_stmt after changing the stmt.
        * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
        removing the stmt.
        * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
        the stmt, and only if needed.
        * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
        expression.
        (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
        (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
        (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
        (eliminate_redundant_computations): Don't pass an annotation. Call
        modify_stmt rather than setting the annotation directly.
        (record_equivalences_from_stmt): Remove unused local 'j'.
        (cprop_operand): Take a stmt rather than an annotation as a parameter.
        Call modify_stmt.
        (cprop_into_stmt): Pass stmt rather than annotation.
        (update_rhs_and_lookup_avail_expr): Call modify_stmt.
        * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
        modify_stmt.
        * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.