2002-03-07  H.J. Lu  (hjl@gnu.org)

	* configure.in: Enable gprof for mips*-*-linux*.

From-SVN: r50410

2002-03-07  Andreas Tobler  <toa@pop.agri.ch>
	    David Edelsohn  <edelsohn@gnu.org>

	* Makefile.am (EXTRA_DIST): Add Darwin and AIX closure files.
	(TARGET_SRC_POWERPC_AIX): Add aix_closure.S.
	(TARGET_SRC_POWERPC_DARWIN): Add darwin_closure.S.
	* Makefile.in: Regenerate.
	* include/ffi.h.in: Add AIX and Darwin closure definitions.
	* src/powerpc/ffi_darwin.c (ffi_prep_closure): New function.
	(flush_icache, flush_range): New functions.
	(ffi_closure_helper_DARWIN): New function.
	* src/powerpc/aix_closure.S: New file.
	* src/powerpc/darwin_closure.S: New file.

Co-Authored-By: David Edelsohn <edelsohn@gnu.org>

From-SVN: r50408

From-SVN: r50407

From-SVN: r50406

	* basic-block.h (fixup_abnormal_edges): Declare.
	* reload1.c (fixup_abnormal_edges): New function.
	* reg-stack.c (convert_regs): Use it.

	* gcse.c (insert_insn_end_bb): Handle trapping insns.

	* gcse.c (hash_scan_set): Refuse instructions with EH edges.

From-SVN: r50405

From-SVN: r50404

From-SVN: r50402

	* defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES): New.
	(MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): New.
	* flags.h (HONOR_NANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS): New.
	(HONOR_SIGN_DEPENDENT_ROUNDING): New.
	* builtins.c (expand_builtin_mathfn): Use HONOR_NANS.
	* c-common.c (truthvalue_conversion): Reduce x - y != 0 to x != y
	unless x and y could be infinite.
	(expand_unordered_cmp): New, mostly split from expand_tree_builtin.
	Check that the common type of both arguments is a real, even for
	targets without unordered comparisons.  Allow an integer argument
	to be compared against a real.
	(expand_tree_builtin): Use expand_unordered_cmp.
	* combine.c (combine_simplify_rtx): Use the new HONOR_... macros.
	* cse.c (fold_rtx): Likewise.  Fix indentation.
	* fold-const.c (fold_real_zero_addition_p): New.
	(fold): Use it, and the new HONOR_... macros.
	* ifcvt.c (noce_try_minmax): Use the new HONOR_... macros.
	* jump.c (reversed_comparison_code_parts): After searching for
	the true comparison mode, use HONOR_NANS to decide whether it
	can be safely reversed.
	(reverse_condition_maybe_unordered): Remove IEEE check.
	* simplify-rtx.c (simplify_binary_operation): Use the new macros
	to decide which simplifications are valid.  Allow the following
	simplifications for IEEE: (-a + b) to (b - a), (a + -b) to (a - b),
	and (a - -b) to (a + b).
	(simplify_relational_operation): Use HONOR_NANS.
	* doc/tm.texi: Document the MODE_HAS_... macros.

From-SVN: r50401

* combine.c (simplify_comparison): If simplifying a logical shift
right and compare with constant, force the comparison to unsigned.

From-SVN: r50400

From-SVN: r50399

From-SVN: r50398

2002-03-06  Benjamin Kosnik  <bkoz@redhat.com>
	    Stephen M. Webb  <stephen.webb@bregmasoft.com>

	* include/bits/stl_tree.h (_S_rb_tree_red): Make enum.
	(_S_rb_tree_black): Make enum.
	Clean. Format.
	* include/bits/stl_bvector.h (__WORD_BIT): To _M_word_bit, enum.
	* include/bits/stl_algo.h (__stl_chunk_size): _M_chunk_size, enum.
	(__stl_threshold): _M_threshold, enum.
	* src/stl-inst.cc: Same.
	* config/linker-map.gnu: Remove.

	* testsuite/23_containers/vector_bool.cc: New.

Co-Authored-By: Stephen M. Webb <stephen.webb@bregmasoft.com>

From-SVN: r50393

2002-03-07  Aldy Hernandez  <aldyh@redhat.com>

        * doc/invoke.texi: Add documentation for -mabi=no-altivec.

        * config/rs6000/rs6000.c (rs6000_parse_abi_options): Add
        -mabi=no-altivec
        (alt_reg_names): Remove % for vrsave.

From-SVN: r50392

	* java/net/natPlainSocketImpl.cc (_Jv_recv): Removed.
	(read): Call recv() directly, not _Jv_recv().

From-SVN: r50391

From-SVN: r50387

        * genemit.c (gen_exp): New argument used.  Invoke copy_rtx
        if used indicates we've already emitted one copy of an operand.
        (gen_insn, gen_expand, output_add_clobbers): Supply a null used.
        (gen_split): Supply a non-null used.

From-SVN: r50386

splay-tree.c (splay_tree_xmalloc_allocate, [...]): Use K&R-style definitions, not prototyped definitions.

* splay-tree.c (splay_tree_xmalloc_allocate,
splay_tree_xmalloc_deallocate): Use K&R-style definitions, not
prototyped definitions.  Mark `data' arguments as unused.

From-SVN: r50384

	* java/io/natFileDescriptorEcos.cc (init): Don't use
	GetStdHandle.
	* java/io/natFileDescriptorPosix.cc (valid): Don't call stat if FD
	is negative.
	(init): Don't use GetStdHandle.

From-SVN: r50383

	* include/config.h.in: Rebuilt.
	* configure: Rebuilt.
	* Makefile.in: Rebuilt.

From-SVN: r50381

        * reload1.c (reload): Unshare all rtl after reload is done.

	* simplify-rtx.c (simplify_plus_minus): Do not abort,
	but simply fail if the expression is too complex to simplify.
	(simplify_gen_binary): Handle simplify_plus_minus failures.

From-SVN: r50380

2002-03-06  Adam Megacz  <adam@xwt.org>

        * java/io/FileDescriptor.java: Initialize in/out/err in init().
        * java/io/natFileDescriptorWin32.cc (init()): Added function.
        * java/io/natFileDescriptorPosix.cc (init()): Added function.
        * java/io/natFileDescriptorEcos.cc (init()): Added function.

From-SVN: r50378

2002-03-06  Phil Edwards  <pme@gcc.gnu.org>

	* docs/doxygen/user.cfg.in:  Also document deprecated entries.
	* docs/html/Makefile:  Example rule to rebuild porting-howto.html.
	* docs/html/17_intro/howto.html:  "gcc"->"GCC" changes, when
	referring to the collection as a whole.  New section on which macros
	can be redefined by the user.
	* docs/html/19_diagnostics/howto.html:  Update note for concepts.
	* docs/html/20_util/howto.html:  Update link to SGI.
	* docs/html/faq/index.html:  Update snapshot versions.  New entry
	on why g++ (but not gcc) must currently predefine certain macros.
	* docs/html/faq/index.txt:  Regenerated.

	* include/bits/basic_string.h (basic_string::_S_construct):  Fix
	names in declaration.
	(basic_string::compare):  These are no longer optional.
	* include/bits/ostream.tcc:  Tweak closing brace placement.
	* include/bits/stl_algo.h:  Lots of initial doxygen comment hooks.
	* include/std/std_sstream.h:  Fix typo in comment.
	* include/bits/locale_facets.tcc:  Remove unneeded header inclusion.
	* src/locale.cc:  Likewise.

From-SVN: r50376

2002-03-06  Phil Edwards  <pme@gcc.gnu.org>

	PR libstdc++/5734
	* include/bits/stl_vector.h (vector::push_back()):  Guard with
	_GLIBCPP_DEPRECATED.

From-SVN: r50375

        * ssa-ccp.c (ssa_fast_dce): Update the DF def-use chains
        after completing fast dead code elimination.

From-SVN: r50374

	* toplev.c (rest_of_compilation): Do jump threading before SSA path;
	consistently call delete_trivially_dead_insns after CSE and GCSE;
	fix DFI_life dumping; do jump threading after liveness; do crossjumping
	after liveness2; update comment in last crossjumping.
	* cfgcleanup.c (try_crossjump_to_edge): Dirtify block.

From-SVN: r50373

        * m68k.h (CONST_COSTS): Lower cost of 0.0 when used inside a
        COMPARE operator.

From-SVN: r50372

From-SVN: r50371

2002-03-04  Eric Blake  <ebb9@email.byu.edu>

	* scripts/unicode-decomp.pl: Move from chartables.pl, and remove
	the code for generating include/java-chartables.h.
	* scripts/unicode-blocks.pl: Move from scripts/blocks.pl, and
	merge with Classpath.
	* scripts/unicode-muncher.pl: Copy from Classpath.
	* scritps/MakeCharTables.java: New file.
	* gnu/gcj/convert/Blocks-3.txt: New file.
	* gnu/gcj/convert/UnicodeData-3.0.0.txt: New file.
	* gnu/gcj/convert/UnicodeCharacterDatabase-3.0.0.html: New file.
	* gnu/java/lang/CharData.java: Copy from Classpath.
	* Makefile.am (ordinary_java_source_files): Add
	gnu/java/lang/CharData.java.
	* configure.in: Remove --enable-fast-character option.
	* java/lang/Character.java: Merge algorithms and Javadoc with
	Classpath.
	* java/lang/natCharacter.cc: Implement Unicode lookup table more
	efficiently.
	* include/java-chardecomp.h: Regenerate.
	* include/java-chartables.h: Regenerate.

From-SVN: r50368

2002-03-06  Phil Edwards  <pme@gcc.gnu.org>

	* libF77/Version.c:  Fix misplaced leading blanks on first line.
	* libI77/Version.c:  Likewise.
	* libU77/Version.c:  Likewise.

From-SVN: r50367

2002-03-06  Phil Edwards  <pme@gcc.gnu.org>

	* version.c:  Fix misplaced leading blanks on first line.

From-SVN: r50366

2002-03-06  Phil Edwards  <pme@gcc.gnu.org>

	* include/bits/c++config:  Fix misplaced leading blanks on first line.

From-SVN: r50365

2002-03-06  Phil Edwards  <pme@gcc.gnu.org>

	* update_version:  Don't indent the version string.

From-SVN: r50364

From-SVN: r50363

	* cfgcleanup.c (mentions_nonequal_regs): New function.
	(thread_jump): Use it.
	* toplev.c (rest_of_compilation): Run jump threading after
	liveness.

From-SVN: r50361

	* ssa-ccp.c (ssa_ccp_substitute_constants): Backout 2002-03-05
	patch.

From-SVN: r50359

	* predict.c (estimate_bb_frequencies): Do not reload the
	frequencies from notes.

From-SVN: r50356

	* cfgrtl.c (delete_insn_and_edges, delete_insn_chain_and_edges): New.
	* rtl.h (delete_insn_and_edges, delete_insn_chain_and_edges): Declare

	* basic-block.h (update_life_info, update_life_info_in_dirty_blocks,
	delete_noop_moves): Return indeger.
	* flow.c (ndead): New variable.
	(propagate_block_delete_insn): Use delete_insn_and_edges; remove
	BB argument; update callers.
	(propagate_block_delete_libcall): Use delete_insn_chain_and_edges.
	(life_analysis): Do not call purge_all_dead_edges.
	(update_life_info): Return number of deleted insns; print statistics.
	(update_life_info_in_dirty_blocks): likewise.
	(delete_noop_moves): Use delete_insn_and_edges; print statistics;
	return number of insns deleted.

	* cse.c: Include timevar.h
	(delete_trivially_dead_insns): Kill preserve_basic_blocks argument;
	iterate until stabilizes; print statistics; return number of killed
	insns.
	* Makefile.in: (cse.o): Add timevar.h dependency
	* rtl.h (delete_trivially_dead_insns): New.
	* timever.def: Add TV_DELETE_TRIVIALLY_DEAD timer.
	* toplev.c (rest_of_compilation): Update callers.

	* cfgcleanup.c (try_optimize_cfg): Kill blocks.
	(try_optimize_cfg): Do not update liveness.
	(cleanup-cfg): Loop until try_optimize_cfg and dead code
	removal stabilizes; use delete_trivially_dead_insns.

	* cfgrtl.c (verify_flow_info): Sanity check outgoing edges.

From-SVN: r50355

From-SVN: r50353

        * java/awt/MediaTracker.java: Implemented.
        * Makefile.am: Add MediaTracker.
        * Makefile.in: Rebuilt.

From-SVN: r50349

cppmain.c (setup_callbacks): Disable #pragma and #ident callbacks when processing assembly language.

	* cppmain.c (setup_callbacks): Disable #pragma and #ident
	callbacks when processing assembly language.

From-SVN: r50346