From-SVN: r44826

From-SVN: r44825

From-SVN: r44824

From-SVN: r44823

From-SVN: r44822

From-SVN: r44821

From-SVN: r44820

From-SVN: r44819

From-SVN: r44817

From-SVN: r44816

	* toplev.c (set_float_handler): Make static.
	* toplev.h: Don't prototype set_float_handler.

	* simplify-rtx.c: Don't include setjmp.h.
	(simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
	New functions.
	(simplify_unary_operation, simplify_binary_operation): Use them,
	via do_float_handler.

	* fold-const.c: Don't include setjmp.h.
	(exact_real_inverse_1): New function.
	(exact_real_inverse): Use it, via do_float_handler.

	* varasm.c: Don't include setjmp.h.
	(assemble_real_1): New function.
	(assemble_real): Use it, via do_float_handler.
	Call internal_error if we get a trap here.

	* c-parse.in, cse.c, cselib.c, ch/lex.c, config/i386/i386.c,
	config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.

	* java/lex.h: Don't include setjmp.h.  Don't define
	SET_FLOAT_HANDLER or prototype set_float_handler.

From-SVN: r44815

	* defaults.h: Define PREFERRED_STACK_BOUNDARY to
	STACK_BOUNDARY if not already defined.

	* calls.c, function.c, reload1.c, explow.c: Don't default
	PREFERRED_STACK_BOUNDARY.  Remove all #if/#ifdef on
	PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.

	* explow.c (allocate_dynamic_stack_space): Change unsafe #if
	to run-time test.

	* doc/tm.texi: Document that STACK_BOUNDARY is required;
	clarify difference between it and PREFERRED_STACK_BOUNDARY.

From-SVN: r44814

	* cppmacro.c (enter_macro_context): Push macro expansions even
	if empty.

From-SVN: r44813

	2001-08-11  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
	* config/rs6000/rs6000.c: Include integrate.h to silence warning.
	(rs6000_elf_section_type_flags): Actually return a value.

From-SVN: r44812

From-SVN: r44811

From-SVN: r44810

        * rtl.h (REG_EH_RETHROW): Remove.
        * rtl.c (reg_note_name): Update.
        * combine.c (distribute_notes): Don't check for it.

From-SVN: r44809

From-SVN: r44808

From-SVN: r44807

From-SVN: r44806

        * doc/extend.texi (Arrays and pointers implementation): Discourage
        relying on sign-extension of pointers.

From-SVN: r44805

From-SVN: r44803

From-SVN: r44802

From-SVN: r44801

2001-08-11  H.J. Lu <hjl@gnu.org>

	* config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
	in_dtors.
	(EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
	RDATA_SECTION_ASM_OP.

From-SVN: r44798

From-SVN: r44797

install.texi (Specific, c4x): Fix cross-reference to the main manual to work both for info and HTML versions.

	* doc/install.texi (Specific, c4x): Fix cross-reference to the
	main manual to work both for info and HTML versions.

From-SVN: r44795

	* cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
	* cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
	(struct cpp_pool): New member first.
	* cppinit.c (append_include_chain): Plug memory leaks.
	* cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
	Allocate pragma structures from the (aligned) macro pool to
	avoid leaking memory.
	* cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
	so we don't leak memory.
	* hashtable.c (ht_destroy): New.
	* hashtable.h (ht_destroy): New.

From-SVN: r44794

pt.c (maybe_fold_nontype_arg): Use TREE_TYPE of ARG as the criterion to avoid rebuilding expression tree...

	* pt.c (maybe_fold_nontype_arg): Use TREE_TYPE of ARG as the
	criterion to avoid rebuilding expression tree instead of
	processing_template_decl.

	* g++.dg/template/unify1.C: New test.

From-SVN: r44793

From-SVN: r44792

       * include/bits/std_limits.h(__glibcpp_char_is_signed): Use
       __CHAR_UNSIGNED__.

       * config/os/gnu-linux/bits/os_defines.h(__glibcpp_char_is_signed):
       Likewise.
       * config/os/aix/bits/os_defines.h(__glibcpp_plain_char_is_signed):
       Remove.

From-SVN: r44791

	* cpphash.h, cpplib.c: Correct erroneous previous checkin.

Co-Authored-By: Franz Sirl <Franz.Sirl-kernel@lauterbach.com>

From-SVN: r44790

	* c-lex.c (map): Make const.
	(cb_file_change): Update for callback passing a line map.
	Don't assume we have a previous map.  Remove sanity check
	about popping too many files.
	* cpperror.c (print_location): Make map const.
	* cppfiles.c (stack_include_file): Update; line maps now hold sysp.
	(cpp_make_system_header): Similarly.
	(search_from): Similarly.
	(_cpp_execute_include): Don't remember where we came from.
	* cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
	(struct cpp_reader): Make map const.
	(CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
	* cpplib.c (do_line): Update; line maps now hold sysp.
	(cpp_push_buffer): Similarly.
	(_cpp_do_file_change): Similarly; callback with map instead.
	(cpp_get_line_maps): Constify return value.
	(_cpp_pop_buffer): Update.
	* cpplib.h (struct cpp_file_change): Remove.
	(struct cpp_callbacks): Update.
	(cpp_get_line_maps): Constify return value.
	* cppmacro.c (_cpp_create_definition): Update.
	* cppmain.c (struct printer): Constify map.
	(maybe_print_line): Similarly.
	(print_line): Similarly.  Deduce flags 1 and 2 here.
	(cb_file_change): Update.
	* line-map.c (free_line_maps): Warn regardless.
	(add_line_map): Return pointer to const.  When passed NULL to_file
	with LC_LEAVE, use the obvious values for the return point so the
	caller doesn't have to figure them out.
	(lookup_line): Return pointer to const.
	(print_containing_files): Take pointer to const.
	* line-map.h (struct line_map): New members reason, sysp.
	(add_line_map): Return pointer to const.
	(lookup_line): Similarly.
	(print_containing_files): Take pointer to const.

From-SVN: r44789

From-SVN: r44787

        * regmove.c (regmove_optimize): Avoid setting a register twice in
        a parallel set.

Co-Authored-By: Richard Henderson <rth@redhat.com>

From-SVN: r44785

        * doc/extend.texi (Arrays and pointers implementation): Document
        behavior of pointer/integer conversion.

From-SVN: r44784

From-SVN: r44783

From-SVN: r44782

From-SVN: r44781

        * doc/extend.texi (C Implementation): New chapter.
        * doc/gcc.texi (Top): Link it in.

From-SVN: r44777