2003-04-22  Paolo Carlini  <pcarlini@unitus.it>

	* include/std/std_streambuf.h (_S_pback_size, _M_pback,
	_M_pback_cur_save, _M_pback_end_save, _M_pback_init,
	_M_pback_create(), _M_pback_destroy()): Move to basic_filebuf.
	(basic_streambuf::basic_streambuf()): Adjust.
	* include/std/std_fstream.h (_S_pback_size, _M_pback,
	_M_pback_cur_save, _M_pback_end_save, _M_pback_init,
	_M_pback_create(), _M_pback_destroy()): Moved here
	from basic_streambuf.
	* include/bits/fstream.tcc (basic_filebuf::basic_filebuf()):
	Adjust.
	(basic_filebuf::_S_pback_size): Add declaration.
	* include/bits/streambuf.tcc (basic_streambuf::_S_pback_size):
	Remove declaration.

From-SVN: r65950

	* gbl-ctors.h: Add special license exception.
	* libgcc2.h: Likewise.
	* tsystem.h: Likewise.
	* gcov-io.h: Likewise.

From-SVN: r65949

From-SVN: r65946

fold-const.c (fold_range_test): Use RANGE_TEST_NON_SHORT_CIRCUIT macro defaulting to original BRANCH_COST heuristic.

        * fold-const.c (fold_range_test): Use RANGE_TEST_NON_SHORT_CIRCUIT
        macro defaulting to original BRANCH_COST heuristic.
        * doc/tm.texi (RANGE_TEST_NON_SHORT_CIRCUIT): Document.

        * config/rs6000/rs6000.h (RANGE_TEST_NON_SHORT_CIRCUIT): Define.

From-SVN: r65942

2003-04-21  Andreas Tobler <a.tobler@schweiz.ch>

        * g++.dg/other/packed1.C: Fix dg options.

From-SVN: r65941

2003-04-22  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/t-spe: Merge in t-fprules into file.

        * config.gcc: Add t-spe to powerpc-eabispe.

From-SVN: r65938

From-SVN: r65937

.:	* ginclude/stddef.h: Provide C++ safe offsetof.
testsuite:
	* g++.dg/other/offsetof2.C: New test.

From-SVN: r65936

From-SVN: r65935

	* function.c (purge_addressof_1): In (mem (addressof (reg))) case
	for reg notes, if there are no substitutions, just use a SUBREG.

From-SVN: r65934

From-SVN: r65933

	* Makefile.in (calls.o): Depend on except.h.
	* calls.c: Include except.h.
	(emit_call_1): Call note_eh_region_may_contain_throw if
	appropriate.
	* except.c (eh_region): Add may_contain_throw.
	(expand_eh_region_end_cleanup): Do not include handler code when
	it cannot be reached.
	(note_eh_region_may_contain_throw): New function.
	* except.h (note_eh_region_may_contain_throw): New function.

	* call.c (build_over_call): Use build_cxx_call.
	(build_cxx_call): New method, split out of build_over_call.
	* cp-tree.h (language_function): Add can_throw.
	(build_cxx_call): Declare it.
	* decl.c (finish_function): If a function does not contain any
	calls to functions that can throw an exception, indicate that
	fact.
	* decl2.c (mark_used): Do not defer the instantiation of
	functions, if the current function does not throw.
	* optimize.c (maybe_clone_body): Copy TREE_NOTHROW to the clones.
	* pt.c (instantiate_decl): Make sure import_export_decl is called
	before emitting things.
	* rtti.c (throw_bad_cast): Use build_cxx_call.
	(build_dynamic_cast_1): Likewise.
	* typeck.c (build_function_call): Likewise.

	* g++.dg/template/recurse.C: Adjust location of error messages.

From-SVN: r65929

From-SVN: r65928

	* config/i386/winnt.c (i386_pe_mark_dllimport): Revert previous
	changes.

From-SVN: r65920

From-SVN: r65915

fold-const.c (fold, [...]): Restore a number of conversions required for type consistency and previously...

	* fold-const.c (fold, case PLUS_EXPR and case MULT_EXPR): Restore
	a number of conversions required for type consistency and previously
	stripped off by STRIP_NOPS.

From-SVN: r65913

	* doc/rtl.texi (RTX_UNCHANGING_P): Point to true_dependence for
	details of conflict handling.

From-SVN: r65912

2003-04-21  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_override_options): No SPE means
        64-bit long doubles.

From-SVN: r65911

2003-04-21  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_override_options): No SPE means
        64-bit long doubles.

[[Split portion of a mixed commit.]]

From-SVN: r65910.2

2003-04-21  Paolo Carlini  <pcarlini@unitus.it>

	Consistently use _M_in_beg instead of eback(), _M_in_cur
	instead of gptr(), and so on.
	* include/bits/fstream.tcc (pbackfail, imbue): Here.
	* include/bits/sstream.tcc (pbackfail, seekoff, seekpos): Ditto.
	* include/bits/streambuf.tcc (sbumpc, sputbackc,
	__copy_streambufs): Ditto.
	* include/std/std_streambuf.h (sgetc): Ditto.

From-SVN: r65909

From-SVN: r65908

expmed.c (extract_bit_field): Reverse operands of && condition to prevent a potential division by zero in the...

	* expmed.c (extract_bit_field): Reverse operands of && condition to
        prevent a potential division by zero in the previously first branch.
	* config/pa/pa.md (extv, extzv): FAIL if the bitfield length is zero.

From-SVN: r65907

From-SVN: r65906

	* calls.c (expand_call): Prevent sibcall optimization for calls to
	nested subprograms.

From-SVN: r65904

	* fold-const.c (extract_muldiv, case CONVERT_EXPR): Detect case
	when conversion overflows.

From-SVN: r65900

From-SVN: r65899

	* dwarf2out.c (is_ada, is_ada_subrange_type): New functions.
	(subrange_type_die): Likewise.
	(modified_type_die): Emit a subrange_type DIE for Ada subrange types.
	(is_c_family, is_cxx, is_java, is_fortran): Return bool and clean up.

From-SVN: r65898

        * Makefile.in (COVERAGE_H): New variable
        (C_OBJS): Add coverage.o
        (coverage.o): New target.
        (profile.o, loop-init.o, sched-ebb.o, predict.o, tracer.o): Adjust
        dependencies.
        (GTFILES): Adjust.
        (gt-coverage.h): New target.
        (gt-profile.h): Remove.
        * profile.h: Remove. Move to ...
        * coverage.h: ... here. New. #include gcov-io.h.
        * gcov-io.h: Move function definitions to ...
        * gcov-io.c: ... here. New.
        * profile.c: Move coverage routines to coverage.c.
        (instrument_edges, get_exec_counts, branch_prob, init_branch_prob,
        end_branch_prob): Adjust.
        * coverage.c: New. Coverage routines from profile.c
        (coverage_counter_ref, coverage_init, coverage_finish,
        coverage_end_function, coverage_begin_output,
        coverage_counter_ref, get_coverage_counts): Define.
        * gcov-dump.c, gcov.c: #include gcov-io.c.
        * libgcov.c: Likewise. Adjust.
        * loop-init.c: Don't #include profile.h
        * tracer.c, predict.c, sched-ebb.c: Adjust #includes.
        * rtl.h: Add coverage prototypes.
        * toplev.c (compile_file): Init coverage, not branch_prob.
        Always call coverage_finish.
        (rest_of_compilation): Call coverage_end_function.

From-SVN: r65897

2003-04-21  Matt Kraai  <kraai@alumni.cmu.edu>

	* config/rs6000/rs6000.md (*movsf_softfloat): Add "h" <- "0" case.

From-SVN: r65896

2003-04-21  Matt Kraai  <kraai@alumni.cmu.edu>

	* config/rs6000/rs6000.md (*movsf_softfloat): Add "h" <- "0" case.

From-SVN: r65895

	* c-ppoutput.c (cb_include): Don't take a cpp_token.
	* cppfiles.c: Don't undef strcmp.
	(find_include_file): Don't take a cpp_token.  Check for empty
	file names.
	(_cpp_execute_include, _cpp_compare_file_date): Don't take a cpp_token.
	(cpp_push_include): Simplify.
	* cpphash.h (_cpp_execute_include, _cpp_compare_file_date): Update.
	* cpplib.c (glue_header_name): Return the file name, not a cpp_token.
	(parse_include): Similary.  Don't check for zero-length filenames.
	(do_include_common, do_pragma_dependency): Update accordingly.
	* cpplib.h (struct cpp_callbacks): Change prototype of include.

From-SVN: r65894

2003-04-21  Paolo Carlini  <pcarlini@unitus.it>

	* include/bits/sstream.tcc (pbackfail, overflow):
	Formatting fixes.

From-SVN: r65893

From-SVN: r65892

2003-04-21  Paolo Carlini  <pcarlini@unitus.it>

	* include/std/std_streambuf.h (uflow()): It's used only by
	basic_stringbuf (i.e., basic_filebuf provide its own uflow()),
	therefore do not consider the _M_buf_unified == true case.

	* include/std/std_streambuf.h (sgetc()): Restore __ret variable.

From-SVN: r65891

	* expr.c (store_constructor): Set RTX_UNCHANGING_P if readonly_field_p
	before clearing.

From-SVN: r65890

	* config/i386/winnt.c (i386_pe_mark_dllimport): Make the new RTL
	have the same form as the old RTL.

From-SVN: r65885

	* libI77/configure.in (_XOPEN_SOURCE): Bump to 600.
	* libI77/configure: Regenerate.
	* libU77/configure.in (_XOPEN_SOURCE): Bump to 600.
	* libU77/configure: Regenerate.

From-SVN: r65884

From-SVN: r65883

cp:
	PR c++/9881
	* typeck.c (build_unary_op): Fold all COMPONENT_REF addr
	expressions. Reverts my 2002-08-08 patch.

	* typeck.c (comp_ptr_ttypes_real): Swap final && operands for
	cheaper early exit.
testsuite:
	PR c++/9881
	* g++.dg/init/addr-const1.C: New test.
	* g++.dg/other/packed1.C: XFAIL on aligned architectures.

From-SVN: r65882

From-SVN: r65877