flow.c (merge_blocks_nomove): Rewrite to properly handle two blocks that vanish entirely during merging.

        * flow.c (merge_blocks_nomove): Rewrite to properly handle two
        blocks that vanish entirely during merging.

From-SVN: r26339

	* i386.md (floatsisf2, floatdisf2, floatsidf2, floatdidf2,
	floatsixf2, floatdixf2, movsicc, movhicc, movsfcc, movdfcc,
	movxfcc, movdicc): Remove unused register constraints from
	the splitters.
	* i386.md (fixuns_truncsfsi2, fixuns_truncdfsi2,
	fixuns_truncxfsi2): Delete.
	* reg-stack.c (delete_insn_for_stacker): Ensure that
	the only side effects of a PARALLEL are clobbers.
	(subst_stack_regs): Handle subst_stack_regs_pat deleting
	a PARALLEL.
	* i386.md (extendsfdf2, extenddfxf2,
	extendsfxf2): Rewrite using a splitter.
	* i386.c (output_op_from_reg): Remove.
	* i386.h: Likewise.

From-SVN: r26338

From-SVN: r26337

From-SVN: r26336

	* error.c (dump_type_real): If a typename is a template-id, put
	out the template arguments.
	(dump_expr): Handle TEMPLATE_ID_EXPR.
	* pt.c (lookup_template_class): Now that full arguments are
	available everywhere, remove code that tried to guess them.

From-SVN: r26335

extend.texi (Assembler Instructions with C Expression Operands): Document the i386 floating point operands.

        * extend.texi (Assembler Instructions with C Expression Operands):
        Document the i386 floating point operands.

From-SVN: r26334

        * configure.in (*-*-vxworks): Add vxWorks thread support for all
        vxWorks targets.
        * configure.in (thumb-wrs-xvworks): Add vxWorks support for thumb.
        * configure: Rebuilt.

From-SVN: r26333

        * i386/t-interix: Use mostly system headers unchanged.
        Use system assert.h
        * fixinc/fixinc.interix: Ditto (make almost no-op).
        * config/x-interix.h (_ALL_SOURCE): add -D
        * config/x-interix.h (crti.o): Delete dependency.
        * config/xm-interix.h (ONLY_INT_FIELDS): Define only when bootstrapping.
        * i386/xm-i386-interix.h: New file.
        * i386/interix.h (ASM_OUTPUT_LIMITED_STRING): Fix warnings.
        * i386/i386-interix.h: Renamed from interix.h.
        * configure.in (interix): Use new files.
        * configure: Rebuilt.

From-SVN: r26332

        * cccp.c (DIR_SEPARATOR): Move to the top of the file.
        (is_dir_separator): New function.
        (simplify_filename): Use it.
Last bit of the dir separator patches.

From-SVN: r26331

From-SVN: r26330

sysv4.h (CPP_OS_LINUX_SPEC): Fix conditions for -Dunix and -Dlinux, and remove duplicate definition.

        * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Fix conditions
        for -Dunix and -Dlinux, and remove duplicate definition.
        Change -Asystem(linux) to -Asystem(posix).
        (CPP_OS_SOLARIS_SPEC): Fix conditions for -Dunix, -Dsun,
        -DSVR4, -D__EXTENSIONS__.
        * rs6000/linux.h (CPP_PREDEFINES): Remove -Dunix,
        -Dlinux, -Asystem(linux), and -Asystem(unix).

From-SVN: r26329

        * collect2.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM in place
        of the DIR_SEPARATOR test.
        Consider any file starting with a drivename to be absolute.
        If the absolute filename test fails and EXECUTABLE_SUFFIX is
        defined, append EXECUTABLE_SUFFIX to the file and try again.
        * cppinit.c (base_name): Use HAVE_DOS_BASED_FILE_SYSTEM
        in place of __MSDOS__ and _WIN32.
        * cppfiles.c (simplify_pathname): Likewise.
        * gcc.c (IS_DIR_SEPARATOR): Define new macro. Returns true if a
        character is a directory separator.
        (find_a_file): Use it.
        (convert_filename): Likewise.
        (process_command): Likewise.
        (do_spec_1): Likewise.
        (is_directory): Likewise.
        (main): Likewise.
        * prefix.c (IS_DIR_SEPARATOR): Define. Tests whether a character is
        a directory separator.
        (translate_name): Use it.
        (update_path): Change DIR_SEPARATOR_2 to DIR_SEPARATOR. Fix
        warning in block where '/' is changed to DIR_SEPARATOR.
        * i386/xm-djgpp.h (DIR_SEPARATOR): Set to '/'.
        (DIR_SEPARATOR_2): New macro. Set to '\'.
        (HAVE_DOS_BASED_FILESYS): Define.
        * i386/xm-mingw32.h: Updated copyright. Set
        DIR_SEPARATOR_2 to '/'. Define HAVE_DOS_BASED_FILE_SYSTEM.
        * i386/xm-os2.h: Likewise.
        * winnt/xm-winnt.h: Likewise.
        * i386/xm-dos.h: Likewise.  Add copyright.

From-SVN: r26328

        * rtl.h (rebuild_jump_labels): Declare.
        * jump.c (jump_optimize_1): Renamed from jump_optimize.  Make static.
        Add new argument MARK_LABELS_ONLY.  Quit after mark_all_labels if
        requested.
        (jump_optimize, rebuild_jump_labels): New wrapper functions for
        jump_optimize_1.
        * toplev.c (rest_of_compilation): Use rebuild_jump_labels instead of
        running the entire jump optimizer.

From-SVN: r26327

From-SVN: r26326

1999-04-09  Joseph S. Myers  <jsm28@cam.ac.uk>
	* pdp11.h (TARGET_SWITCHES): Add option to vary assembler syntax.
	(TARGET_DEFAULT): Possibly use UNIX syntax.
	(TARGET_UNIX_ASM, TARGET_UNIX_ASM_DEFAULT): New macros.
	(REGISTER_NAMES): Use "r5" instead of "fp".
	(ASM_OUTPUT_ALIGN): Use ".even" directive, and abort for any
	greater alignment.
	* 2bsd.h (TARGET_UNIX_ASM_DEFAULT): Default to UNIX assembler
	syntax for 2BSD.
	* pdp11.c (output_ascii): Use working syntax for ".byte".
	(print_operand_address): Use "*" instead of "@" when using UNIX
	assembler syntax.

From-SVN: r26325

        * rtl.h (local_alloc): Returns an integer now.
        * local-alloc.c (recorded_label_ref): New file scoped variable.
        (local_alloc): Initialize recorded_label_ref to zero.  Return its
        value when local allocation has completed.
        (update_equiv_regs); If we create an equivalence for a LABEL_REF,
        set recorded_label_ref.
        * toplev.c (rest_of_compilation): Run the loop optimizer after
        register allocation and reloading if needed.

From-SVN: r26324

From-SVN: r26323

From-SVN: r26322

        * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Fix typo.
        * i386/freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.

From-SVN: r26321

From-SVN: r26320

1999-04-09 22:58 -0400  Zack Weinberg  <zack@rabi.columbia.edu>
	* cpphash.c (special_symbol): When expanding __LINE__, use the
	top file buffer, not the top buffer.

From-SVN: r26319

Tue Apr  6 15:15:51 1999  Alexandre Petit-Bianco  <apbianco@cygnus.com>
        * parse.y (patch_assignment): Added ArrayStoreException runtime
        check.

From-SVN: r26318

decl.c (make_typename_type): Complain if we don't find a type when trying to make a typename type for a...

	* decl.c (make_typename_type): Complain if we don't find a type
	when trying to make a typename type for a non-template type.

From-SVN: r26317

From-SVN: r26316

	* Makefile.in (check-g++, check-gcc, check-g77, check-objc): Add
	cd .. to TCL_LIBRARY command.

From-SVN: r26315

From-SVN: r26314

	* decl.c (start_decl): Pass attributes to grokdeclarator.
	(grokdeclarator): Handle attributes on constructor-syntax
	initializers.

From-SVN: r26313

	* c-common.c (decl_attributes, A_INIT_PRIORITY): Allow arrays
	of classes, too.

From-SVN: r26312

From-SVN: r26311

	* libjava.compile/plusplus.java: New file.
	From MoT <Sebastien.Villemot@ens.fr>.

From-SVN: r26310

1999-04-01  Jim Blandy  <jimb@zwingli.cygnus.com>
	* cplus-dem.c: Attempt to handle overflows in counts with some
	semblance of grace.
	(consume_count): Detect overflows.  Return -1 to indicate errors,
	instead of zero.
	(demangle_template_value_parm, demangle_template): Handle change
	to consume_count's return convention.

From-SVN: r26309

        * rs6000.c (rs6000_override_options, ptt, rs6000_file_start,
        rs6000_float_const, rs6000_replace_regno, debug_stack_info,
        rs6000_output_load_toc_table, output_prolog, output_epilog):
        Const-ify a char*.
        (output_mi_thunk): Likewise.  Mark parameter `thunk_fndecl' with
        ATTRIBUTE_UNUSED.  Hide unused variables `r0', `sp', `toc',
        `schain', `r12', `buf' and `labelno'.
        (output_ascii): Const-ify a char*.
        (rs6000_gen_section_name): Initialize variable `last_period'.
        (rs6000_adjust_priority): Mark parameter `insn' with
        ATTRIBUTE_UNUSED.
        (rs6000_trampoline_template, rs6000_dll_import_ref,
        rs6000_longcall_ref, rs6000_encode_section_info): Const-ify a char*.
        * rs6000.h (offsettable_mem_operand, optimization_options): Add
        prototypes.
        * rs6000.md (movdi, define_split): Cast a value to HOST_WIDE_INT
        when comparing against one.

From-SVN: r26308

        * expr.c (expand_expr, case ARRAY_REF, COMPONENT_REF, BIT_FIELD_REF):
        Do not try to optimize a aggregate address which has VOIDmode.
        Mirrors March 23 change to expand_assignment.

From-SVN: r26307

	* flow.c (delete_unreachable_blocks): Do not require an edge to
	be marked with EDGE_FALLTHRU when tidying an edge which connects
	consecutive basic blocks.
	* flow.c (can_delete_label_p): Do not convert a label into a
	deleted label here.

From-SVN: r26306

From-SVN: r26305

        * cse.c (flush_hash_table): New function.
        (cse_insn): Flush the hash table when we encounter a volatile asm.
        (cse_basic_block): Use flush_hash_table instead of doing it
        inline.
        * reload1.c (reload_cse_regs_1): Flush known register values if
        we encounter a volatile asm.

From-SVN: r26304

From-SVN: r26303

From-SVN: r26302

From-SVN: r26301

	* error.c (dump_expr): Don't crash on INDIRECT_REFs whose operands
	don't have types.

From-SVN: r26300