From-SVN: r18435

From-SVN: r18434

	* rtl.h (addr_diff_vec_flags): New typedef.
	(union rtunion_def): New member rt_addr_diff_vec_flags.
	(ADDR_DIFF_VEC_FLAGS): New macro.
	* sh.c (output_branch): Fix offset overflow problems.
	* final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
	(final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
	* rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
	* stmt.c (expand_end_case): Supply new arguments to
	gen_rtx_ADDR_DIFF_VEC.
	* 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
	* alpha.h, arc.h, clipper.h, convex.h : Likewise.
	* dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
	* i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
	* mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
	* rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
	* vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
	* i386/386bsd.h, i386/freebsd-elf.h : Likewise.
	* i386/freebsd.h, i386/linux.h : Likewise.
	* i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
	* i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
	* m68k/mot3300.h, m68k/sgs.h : Likewise.
	* m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
	* sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
	(CASE_VECTOR_SHORTEN_MODE): Define.
	(short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
	(med_branch_p, braf_branch_p): Don't declare.
	(mdep_reorg_phase, barrier_align): Declare.
	(ADJUST_INSN_LENGTH): Remove alignment handling.
	* sh.c (uid_align, uid_align_max): Deleted.
	(max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
	(short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
	(cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
	(output_far_jump): Don't use braf_branch_p.
	(output_branchy_insn): Don't use branch_offset.
	(find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
	Remove paired barrier stuff.
	Don't use cache_align_p.
	Take alignment insns into account.
	(fixup_addr_diff_vecs): Reduce to only fixing up the base label of
	the addr_diff_vec.
	(barrier_align, branch_dest): New function.
	(machine_dependent_reorg, split_branches): Remove infrastructure
	for branch shortening that is now provided in the backend.
	* sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
	(braf_branch_p, braf_cbranch_p): Likewise.
	(attribute length): Use new attributes.
	(casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
	(addr_diff_vec_adjust): Delete.
	(align_2): Now a define_expand.
	(align_log): Now length 0.

From-SVN: r18433

From-SVN: r18432

        * mips/mips.h: Prototype `machine_dependent_reorg'.
        (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.

From-SVN: r18431

8
        * final.c (shorten_branches): Restore accidentally removed code.

From-SVN: r18430

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        * final.c (shorten_branches): Restore accidentally removed code.

From-SVN: r18429

        * method.c: Include "system.h" to get stdlib.h, stdio.h,
        ctype.h, string.h, etc.
        (issue_nrepeats): Add default case in enumeration switch.
        (check_btype): Likewise.
        (process_overload_item): Likewise.
        * Makefile.in (method.o): Depend on system.h.

From-SVN: r18428

        * method.c: Include "system.h" to get stdlib.h, stdio.h,
        ctype.h, string.h, etc.
        (issue_nrepeats): Add default case in enumeration switch.
        (check_btype): Likewise.
        (process_overload_item): Likewise.
        * Makefile.in (method.o): Depend on system.h.

From-SVN: r18427

	* configure.in: Remove duplicate uses of AC_PROG_CC and
	AC_PROG_MAKE_SET.

From-SVN: r18426

From-SVN: r18425

From-SVN: r18424

From-SVN: r18423

        * haifa-sched.c (build_jmp_edges): Delete dead function.
        (build_control_flow): Use cfg routines from flow.c
        (schedule_insns): Remove debugging code accidentally checked
        in earlier today.
        * basic-block.h: Add external integer list structures, typdefs,
        accessor macros and function declarations.  Simlarly for
        basic block pred/succ support and simple bitmap stuff.
        * flow.c: Add functions for integer list, basic block pred/succ
        support and simple bitmap support.
        (compute_dominators): New function to compute dominators and
        post dominators.
        (find_basic_blocks): Split into two functions.
        (life_analysis): Likewise.
        (flow_analysis): Removed.  Now handled by calling find_basic_blocks,
        the life_analysis from toplev.c
        * toplev.c (rest_of_compilation): Call find_basic_blocks, then
        life_analysis instead of flow_analysis.

Co-Authored-By: Doug Evans <devans@cygnus.com>

From-SVN: r18421

        * jump.c (jump_optimize): Call mark_jump_label also for deleted
        insns.
        (mark_jump_label): Don't increment ref counts for deleted insns.

From-SVN: r18420

        * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
        * mips/mips.c: Include stdlib.h and unistd.h.
        (mips_asm_file_end): Add braces around empty body in an if-statement.
        (function_prologue): Wrap variable `fnname' in
        !FUNCTION_NAME_ALREADY_DECLARED.  Correct format specifier in fprintf.
        (mips_select_rtx_section, mips_select_section): Declare as void.
        * mips/mips.h: Add prototypes for extern functions in mips.c.
        (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
        (ENCODE_SECTION_INFO): Add braces around empty body in an
        if-statement.
        * mips/mips.md (movdi): Add parentheses around && within ||.
        (movsf, movdf): Likewise.
        (branch_zero, branch_zero_di): Add default case in
        enumeration switch.

From-SVN: r18419

From-SVN: r18418

        * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
        real constants, since they can't be changed.
        (TARGET_AS_CAN_SUBTRACT_LABELS): New.
        * alpha/alpha.md (builtin_setjmp_receiver): Use it.
        * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
        * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
        * alpha/vms.h (TARGET_OPEN_VMS): New.
        * alpha/win-nt.h (TARGET_WINDOWS_NT): New.

From-SVN: r18417

* reload.c (find_reloads): Always force (subreg (mem)) to be
reloaded if WORD_REGISTER_OPERATIONS.

From-SVN: r18416

* haifa-sched.c (free_list): Rename from free_pnd_lst.
(free_pending_lists): Rename free_pnd_lst uses.
(remove_dependence): Place expunged element on unused_insn_list.
(alloc_INSN_LIST, alloc_EXPR_LIST): New.  Change all callers of
gen_rtx_*_LIST and alloc_rtx to use them.
(compute_block_backward_dependences): Free the reg_last_* lists.

From-SVN: r18415

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	* config.table: Make locating frag files failsafe even for the
	special case if configuring and building in srcdir.
	* configure.in: Make locating frag files failsafe even for the
	special case if configuring and building in srcdir.

From-SVN: r18414

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	* config.table: Make locating frag files failsafe even for the
	special case if configuring and building in srcdir.
	* configure.in: Make locating frag files failsafe even for the
	special case if configuring and building in srcdir.

From-SVN: r18413

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	* config.table: Make locating frag files failsafe even for the
	special case if configuring and building in srcdir.
	* configure.in: Make locating frag files failsafe even for the
	special case if configuring and building in srcdir.

From-SVN: r18412

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	* config.table: Make locating frag files failsafe even for the
	special case if configuring and building in srcdir.
	* configure.in: Make locating frag files failsafe even for the
	special case if configuring and building in srcdir.

From-SVN: r18411

 
	* config.table: Make locating frag files failsafe even for the
	special case if configuring and building in srcdir.
	* configure.in: Make locating frag files failsafe even for the
	special case if configuring and building in srcdir.

From-SVN: r18410

        * cccp.c (main): Avoid undefined behavior when setting pend_includes
        and pend_files.

From-SVN: r18409

8
        * lex.c (do_scoped_id): Fix parenthesizing.

From-SVN: r18408

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        * lex.c (do_scoped_id): Fix parenthesizing.

From-SVN: r18407

        * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
        USE_GNULIBC_1 is defined
        * configure.in: add a new case powerpc-*-linux-gnulibc1 which
        includes the t-linux-gnulibc1 fragment

From-SVN: r18405

From-SVN: r18404

From-SVN: r18403

	* mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.

From-SVN: r18402

	* rtti.c (get_tinfo_fn_dynamic): If this function is called an
	FLAG_RTTI is unset, initialize type info machinery and continue
	with FLAG_RTTI enabled.
	(get_typeid): Ditto.

From-SVN: r18401

	* typeck.c (unary_complex_lvalue): &D::i has type B::* if i comes
	from B.

From-SVN: r18400

	* pt.c (finish_member_template_decl): Deal more gracefully with
	invalid declarations.

From-SVN: r18399

From-SVN: r18398

        * final.c (insn_current_reference_address):
        Use SEQ instead of BRANCH as argument to align_fuzz, to get a
        proper alignment chain.

From-SVN: r18397

final.c (shorten_branches): Tag the loop alignment onto the first label after NOTE_INSN_LOOP_BEG even if...

	* final.c (shorten_branches): Tag the loop alignment onto the
	first label after NOTE_INSN_LOOP_BEG even if there is an
	intervening insn.

From-SVN: r18396

	* final.c (insn_current_reference_address):
	Use SEQ instead of BRANCH as argument to align_fuzz, to get a
	proper alignment chain.

From-SVN: r18392

	* cvt.c, decl.c, decl2.c, init.c, rtti.c, typeck.c, typeck2.c,
	cp-tree.h: Clean up more old overloading code, old RTTI code, and
	some formatting quirks.

From-SVN: r18391