* final.c (shorten_branches): Remove conditionalizing on
	SHORTEN_WITH_ADJUST_INSN_LENGTH
	* sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.

From-SVN: r18470

From-SVN: r18469

flow.c (find_basic_blocks_1): Keep the cfg accurate when removing an unconditional jump around deleted blocks.

P
        * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
        an unconditional jump around deleted blocks.

From-SVN: r18468

flow.c (find_basic_blocks_1): Keep the cfg accurate when removing an unconditional jump around deleted blocks.

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        * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
        an unconditional jump around deleted blocks.

From-SVN: r18467

	* g77.f-torture/compile/980310-1.f, g77.f-torture/compile/980310-2.f
	g77.f-torture/compile/980310-3.f, g77.f-torture/compile/980310-4.f
	g77.f-torture/compile/980310-6.f, g77.f-torture/compile/980310-7.f
	g77.f-torture/compile/980310-8.f: New tests from egcs-bugs archives.
	* g77.f-torture/execute/980310-5.f: New test from egcs-bugs archives.

From-SVN: r18466

Tue Mar 10 07:32:36 1998  Mark Mitchell  <mmitchell@usa.net>
	* decl2.c (import_export_decl): Mark tinfo functions for
	cv-qualified versions of class types as DECL_NOT_REALLY_EXTERN.

From-SVN: r18456

From-SVN: r18455

From-SVN: r18454

	* profile.c (branch_prob): If see computed goto, call fatal instead of
	abort.

From-SVN: r18453

	* config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.

From-SVN: r18452

	* configure.in (alpha-dec-osf): Add default case for osf* to switch.

From-SVN: r18451

	* function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
	(assign_parms): Set aggregate if hide_last_arg and last_named.

From-SVN: r18450

From-SVN: r18449

From-SVN: r18448

From-SVN: r18447

        * final.c (shorten_branches): Fix minor logic error in
        ADDR_DIFF_VEC shortening support.

From-SVN: r18443

From-SVN: r18440

        * haifa-sched.c (is_cfg_nonregular): Change return type to
        an int.  No longer compute "estimated" number of edges.  Use
        computed_jump_p instead of duplicating the code.  Fixup/add
        some comments.
        (build_control_flow): Returns a value indicating an irregularity
        in the cfg was detected.  Count the number of edges in the cfg.
        allocate various edge tables.
        (find_rgns): No longer look for unreachable blocks.
        (schedule_insns): Do not allocate memory for edge tables here.
        Free memory for edge tables before returning.  Do not perform
        cross block scheduling if build_control_flow returns nonzero.
        * flow.c (compute_preds_succs): More accurately determine when
        a block drops in.
Fixes various compile hangs after haifa cleanup.

From-SVN: r18439

From-SVN: r18438

From-SVN: r18436

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

�
        * 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