* tree.c (perm_manip): Also regenerate the RTL of an extern.
	(copy_to_permanent): Use end_temporary_allocation.

From-SVN: r19560

        * haifa-sched.c (find_rgns): In no_loops case, fix test for leaf
        blocks.  Check for 1 successor which is the EXIT_BLOCK.
        * haifa-sched.c (find_rgns): Detect unreachable blocks, including
        unreachable loops with more than one block.

Co-Authored-By: Jim Wilson <wilson@cygnus.com>

From-SVN: r19558

	* init.c (expand_vec_init): The initialization of each array
	element is a full-expression.

From-SVN: r19557

(
	* fix-header.c (write_rbrac): Add "abort" to functions which need to
	be protected.

From-SVN: r19556

�
	* fix-header.c (write_rbrac): Add "abort" to functions which need to
	be protected.

From-SVN: r19555

From-SVN: r19553

From-SVN: r19552

From-SVN: r19551

From-SVN: r19546

	* c-common.c (scan_char_table): Separate 's' and 'c'.  'c' does not
	accept 'a' flag.  'S' does accept 'a' flag.
	(check_format_info): When pedantic, warn for m/C/S/a/A formats,
	and `a' flag.

From-SVN: r19545

From-SVN: r19544

	* elf64.h (MULTILIB_DEFAULTS): Move definition after mips.h include.

From-SVN: r19543

From-SVN: r19542

	* config/m68k/m68k.h: Declare functions from m68k.c used in
	macros and machine description.
	(ASM_OUTPUT_LONG_DOUBLE): Always use `l' flag in print format for
	long values.
	(ASM_OUTPUT_FLOAT): Likewise.
	(ASM_OUTPUT_FLOAT_OPERAND): Likewise.

From-SVN: r19541

	* tree.def: Add NAMESPACE_DECL.
	* dwarfout.c (type_ok_for_scope): Ignore NAMESPACE_DECLs for now.
	* dwarf2out.c (push_decl_scope): Likewise.
	(scope_die_for): Likewise.
	* tree.c (decl_function_context): Use TREE_CODE_CLASS to determine
	how to get next context level.

From-SVN: r19540

	* tree.def: Add NAMESPACE_DECL.
	* dwarfout.c (type_ok_for_scope): Ignore NAMESPACE_DECLs for now.
	* dwarf2out.c (push_decl_scope): Likewise.
	(scope_die_for): Likewise.
	* tree.c (decl_function_context): Use TREE_CODE_CLASS to determine
	how to get next context level.
	* cp-tree.def: Remove NAMESPACE_DECL.
	* cp/Makefile.in: Add .SUFFIXES.

From-SVN: r19539

        * i386.c (output_fix_trunc): Add code to emulate non-popping DImode
        case.

From-SVN: r19538

From-SVN: r19536

From-SVN: r19535

reorg.c (fill_slots_from_thread): Update REG_DEAD/REG_UNUSED notes for any insns skipped at the start of a block...

        * reorg.c (fill_slots_from_thread): Update REG_DEAD/REG_UNUSED notes
        for any insns skipped at the start of a block because they were
        redundant.

From-SVN: r19534

	* alpha.h (DBX_CONTIN_LENGTH): Decrease to 3000.

From-SVN: r19533

(print_char_table, scan_char_table, time_char_table): Initialize
hhlen field appropriately.
(char_format_info): Recognize hh modifier and lookup correct char
table entry.

From-SVN: r19532

	* expr.c (expand_expr, case INDIRECT_REF): Don't optimize string
	reference if this is a store.

From-SVN: r19531

From-SVN: r19530

d
        Make UnixWare 7 bootstrap support work with final shipping product.
        * configure.in: (i[34567]86-*-sysv5): append, not overwrite, xm_file.
        Pick up xm-siglist and xm-alloca.
        (xm_defines): Add USG so dbxout will build.
        * configure: Regenerate.

From-SVN: r19529

a
        Make UnixWare 7 bootstrap support work with final shipping product.
        * configure.in: (i[34567]86-*-sysv5): append, not overwrite, xm_file.
        Pick up xm-siglist and xm-alloca.
        (xm_defines): Add USG so dbxout will build.
        * configure: Regenerate.

From-SVN: r19528

�
        Make UnixWare 7 bootstrap support work with final shipping product.
        * configure.in: (i[34567]86-*-sysv5): append, not overwrite, xm_file.
        Pick up xm-siglist and xm-alloca.
        (xm_defines): Add USG so dbxout will build.
        * configure: Regenerate.

From-SVN: r19527

        * sparc.c (sparc_override_options): Force stack bias off for !arch64.
        Care for flag_pcc_struct_return default.
        (output_move_quad): Rewrite to move by halves on v9 and in the
        proper direction.
        (move_quad_direction): New function.
        (output_fp_move_quad): Use it to determine the direction of copy.
        (function_arg_slotno): Return -1 for FP reg overflow as well.
        (function_arg_record_value*): New functions.
        (function_arg): Use them.  Streamline unprototyped parameter passing.
        (function_arg_pass_by_reference): Pass TCmode by reference.
        (function_value): New function.
        * sparc.h (PTRDIFF_TYPE, SIZE_TYPE): For -pedantic's sake, don't use
        long long in 64-bit mode.
        (RETURN_IN_MEMORY): v9 returns structs < 32-bytes in regs.
        (DEFAULT_PCC_STRUCT_RETURN): Make the default detectable.
        (BASE_RETURN_VALUE_REG): Consider complex float types for arch64.
        (BASE_OUTGOING_VALUE_REG, BASE_PASSING_ARG_REG): Likewise.
        (BASE_INCOMING_ARG_REG): Likewise.
        (FUNCTION_VALUE): Call function_value.
        (FUNCTION_OUTGOING_VALUE, LIBCALL_VALUE): Likewise.
        * sparc.md (movdi_sp32_v9): Disable for arch64.
        (movsf, movdf, movtf): Sort all ulternatives using fp regs first.
        (call_value_address_sp64): Remove register class constraints.
        (call_value_symbolic_sp64): Likewise.
        (nonlocal_goto): Pass label reg directly to goto_handlers.  Constrain
        v9 case to 32-bit constants.
        (goto_handler_and_restore_v9): Provide a version for arch64.
        * sparc/linux64.h (SIZE_TYPE, PTRDIFF_TYPE): Remove private definition.
        * sparc/sp64-aout.h (TARGET_DEFAULT): Turn on stack bias.
        (CPP_PREDEFINES): New.
        * sparc/sp64-elf.h: Likewise.
        (PREFERRED_DEBUGGING_TYPE): Dwarf2.
        (ASM_OUTPUT_DWARF2_ADDR_CONST): New.
        * sparc/sysv4.h (SIZE_TYPE, PTRDIFF_TYPE): Undo svr4.h's changes.

From-SVN: r19526

	* call.c (build_over_call): Do evaluate arg even if it has empty
	class type.
	* decl.c (start_function): Don't push a member function.

From-SVN: r19525

From-SVN: r19520

reload.c (find_reloads): Emit USEs to mark where a pseudo is reloaced with the MEM of its stack slot.

	* reload.c (find_reloads): Emit USEs to mark where a pseudo
	is reloaced with the MEM of its stack slot.
	* reload1.c (cannot_omit_stores): Delete.
	(reload): Don't initialize it.
	Don't apply avoid_return_reg logic to USEs.
	When done, remove USEs that have a REG_EQUAL note on them.
	(emit_reload_insns): Handle case where we have inherited a MEM.
	(delete_output_reload): Don't use cannot_omit_stores.

From-SVN: r19508

From-SVN: r19505

	* Makefile.in (cpp.info, gcc.info): Put -o option before input file.
	* cp/Makefile.in (g++FAQ.info): Put -o option before input file.
	* f/Make-lang.in (g77.info, g77.dvi, BUGS, INSTALL, NEWS): Put -o
	option before input file.

From-SVN: r19504

From-SVN: r19503

From-SVN: r19502

From-SVN: r19499

From-SVN: r19498

From-SVN: r19497

From-SVN: r19496

From-SVN: r19495