From-SVN: r53297

From-SVN: r53296

        * dwarf2out.c (output_call_frame_info): Don't emit a CIE with no FDEs.

        * dwarf2out.c (gen_type_die): Abort on broken recursion.

        PR c++/6381
        * dwarf2out.c (rtl_for_decl_location): Only expand INTEGER_CST and
        REAL_CST.

From-SVN: r53295

Do not allow big-endian/little-endian multilibs to override arm/thumb
multilibs.
Do not build hardware floating point multilibs, nor apcs-26 multilibs for
the Thumb.

From-SVN: r53294

	PR c/6569.
	* varasm.c (mark_weak): New function.
	(merge_weak): Use it.  Do not call declare_weak.
	(declare_weak): Use merge_weak.

	PR c/6569
	* gcc.dg/weak-3.c: Update location of warning messages.
	* gcc.dg/weak-5.c: Likewise.

From-SVN: r53293

2002-05-09  David.Billinghurst  <David.Billinghurst@riotinto.com>

	* testsuite/lib/libjava.exp (test_libjava_from_javac):
	Append .exe to executable names.  Fix for cygwin.

From-SVN: r53291

From-SVN: r53288

	* cse.c (dead_libcall_p): Update counts.
	(delete_trivially_dead_insns): Update call of dead_libcall_p.

From-SVN: r53287

	* cfglayout.c (function_tail_eff_head): Rename to ...
	(function_footer): ... this one.
	(unlink_insn_chain): New functions.
	(label_for_bb): Only call block_label and emit debug message.
	(record_effective_endpoints): Actually unlink the headers and footers.
	(fixup_reorder_cahin): Re-insert the unlinked sequences.
	(cfg_layout_duplicate_bb): Use duplicate_insn_chain.
	* cfglayout.h (struct reorder_block_def): New fields footer/header;
	remove eff_head/eff_end.
	* rtl.h (set_first_insn): Declare.
	* emit-rtl.c (set_first_insn): New function.

	* cfglayout.c (fixup_reorder_chain): Dump duplicated
	(cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge,
	cfg_layout_duplicate_bb): New global function.
	(duplicate_insn_chain): New static function.
	* cfglayout.h (cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge,
	cfg_layout_duplicate_bb): Declare.
	(struct reorder_block_def): Add "original" field.
	* emit-rtl.c (emit_copy_of_insn_after): New function.
	* rtl.h (emit_copy_of_insn_after): Declare.

	* cfglayout.c (fixup_fallthru_exit_predecessor): Kill.
	(fixup_reorder_chain): properly handle edges to exit block.

Wed May  8 11:10:31 CEST 2002  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
			       Jan Hubicka  <jh@suse.cz>

	* basic-block.h (note_prediction_to_br_prob): declare.
	* c-semantics.c: Inlucde predit.h
	(expand_stmt): predict GOTO_STMT as not taken.
	* cfgcleanup.c: (delete_unreachable_blocks): Make global.
	(cleanup_cfg): Do not free tail_recursion_list.
	* cfgrtl.c (can_delete_note_p): Delete NOTE_INSN_PREDICTION.
	(flow_delete_block): Kill predictions past end of basic block.
	* output.h (delete_unreachable_blocks): Declare.
	* predict.c (predicted_by_p, process_note_predictions,
	process_note_prediction, last_block_p): New function.
	(estimate_probability): Bypass loop on PRED_CONTINUE;
	do not handle noreturn heuristics; kill PRED_RETURN; add
	PRED_EARLY_RETURN.
	* predict.def (PRED_CONTINUE, PRED_EARLY_RETURN, PRED_GOTO,
	PRED_CONST_RETURN, PRED_NEGATIVE_RETURN, PRED_NULL_RETURN): New.
	* predict.h (IS_TAKEN): New constant.
	* print-rtl.c (print_rtx): Pretty print NOTE_INSN_PREDICTION.
	* rtl.c (NOTE_INSN_PREDICTION): New.
	* rtl.h (NOTE_PREDICTION, NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS):
	New macro.
	(insn_note): add NOTE_INSN_PREDICTION.
	* sibcall.c (optimize_sibling_and_tail_recursive_call): Do not build
	CFG; free tail_recursion_label_list.
	* stmt.c: Include predict.h;
	(return_prediction): New.
	(expand_value_return): Use it.
	* toplev.c: Lower NOTE_INSN_PREDICTION before sibcall.

From-SVN: r53285

	* config/mips/mips.md: Name the unspecs with define_constant.
	(*HILO_delay): Rename to 'hilo_delay' (no star).
	(reload_indi): Replace gen_rtx_UNSPEC with gen_hilo_delay.
	(reload_outdi, reload_outsi): Likewise.

From-SVN: r53284

From-SVN: r53283

From-SVN: r53279

configure.in (ORIGINAL_LD_FOR_MULTILIBS): Preserve LD at script entry, and set LD to it when configuring multilibs.

* configure.in (ORIGINAL_LD_FOR_MULTILIBS): Preserve LD at
script entry, and set LD to it when configuring multilibs.
* configure: Rebuilt.

From-SVN: r53278

From-SVN: r53276

	Fix for PR java/1200:
	* gjavah.c (throwable_p): New function.
	(decode_signature_piece): Use it.  A `WeakReference' isn't the
	same as a `jweak'.
	Include hashtab.h.
	(gcjh_streq): New function.

From-SVN: r53275

From-SVN: r53273

	* config.in (ENABLE_RTL_FLAG_CHECKING): New.
	* configure.in (ac_rtlflag_checking): New.
	* doc/install.texi (--enable-checking): Document RTL flag checking.
	* configure: Regenerated.

From-SVN: r53272

	* c-common.c (c_common_init): Set options->unsigned_wchar.
	* cppinit.c (cpp_create_reader): Default unsigned_wchar,
	group target dependencies.
	(init_builtins, cpp_handle_option): Update.
	* cpplex.c (cpp_interpret_charconst): Update.
	* cpplib.h (struct cpp_options): Add unsigned_wchar, rename
	signed_char to unsigned_char, group target dependencies.
	* defaults.h (WCHAR_UNSIGNED): Remove.
	* system.h (WCHAR_UNSIGNED, MAX_CHAR_TYPE_SIZE): Poison.
config:
	* freebsd.h, interix.h, alpha/freebsd.h, arm/freebsd.h,
	i386/386bsd.h, i386/beos-elf.h, i386/bsd386.h, i386/cygwin.h,
	i386/djgpp.h, i386/freebsd-aout.h, i386/i386-interix.h,
	i386/win32.h, ia64/freebsd.h, mips/netbsd.h, rs6000/freebsd.h,
	sh/elf.h, sh/sh.h, sparc/freebsd.h: Remove WCHAR_UNSIGNED.
doc:
	* tm.texi: Remove MAX_CHAR_TYPE_SIZE.

From-SVN: r53271

	* configure.in: Add support for WindISS.
	* configure: Regenerated.
	* configure.target: Add support for WindISS.
	* config/os/windiss/bits/ctype_base.h: New file.
	* config/os/windiss/bits/ctype_inline.h: Likewise.
	* config/os/windiss/bits/ctype_noninline.h: Likewise.
	* config/os/windiss/bits/os_defines.h: Likewise.

From-SVN: r53269

From-SVN: r53268

	* fixinc/inclhack.def (windiss_math1): New fix.
	(windiss_math2): Likewise.
	(windiss_valist): Likewise.
	* fixinc/fixincl.x: Regenerated.

From-SVN: r53267

genautomata.c (output_internal_min_issue_delay_func): Add ATTRIBUTE_UNUSED to avoid warning with empty dfa.

	* genautomata.c (output_internal_min_issue_delay_func): Add
	ATTRIBUTE_UNUSED to avoid warning with empty dfa.
	(output_internal_trans_func): Likewise.

From-SVN: r53266

From-SVN: r53265

	* configure.in (AC_TYPE_PID_T): Use it.
	* configure: Regenerated.
	* getruntime.c: Include <sys/types.h>.
	* waitpid.c: Likewise.  Use pid_t, not int, as the type of "pid".

From-SVN: r53264

From-SVN: r53263

pa.c (hppa_profile_hook): Use force_reg to get the address of the profile hook into an appropriate pseudo...

	* pa.c (hppa_profile_hook): Use force_reg to get the address
	of the profile hook into an appropriate pseudo register.

From-SVN: r53260

From-SVN: r53259

	* config/rs6000/sysv4.h (SUBTARGET_SWITCHES): Add -mwindiss.
	(LINK_START_SPEC): Handle it.
	(LINK_OS_SPEC): Likewise.
	(CPP_SPEC): Likewise.
	(STARTFILE_SPEC): Likewise.
	(LIB_SPEC): Likewise.
	(ENDFILE_SPEC): Likewise.  Do not assume crtsavres.o is used on
	all platforms.
	(CRTSAVRES_DEFAULT_SPEC): New macro.
	(LIB_WINDISS_SPEC): New macro.
	(CPP_OS_WINDISS_SPEC): Likewise.
	(STARTFILE_WINDISS_SPEC): Likewise.
	(ENDFILE_WINDISS_SPEC): Likewise.
	(LINK_START_WINDISS_SPEC): Likewise.
	(LINK_OS_WINDISS_SPEC): Likewise.
	* config/rs6000/windiss.h: New file.

From-SVN: r53257

2002-05-07  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (bdesc_2arg): Fix vmax typos.

From-SVN: r53254

From-SVN: r53253

        PR c++/6212
        * expr.c (highest_pow2_factor_for_type): New.
        (expand_assignment): Use it.

From-SVN: r53249

	Fix for PR java/5941:
	* parse.y (finish_for_loop): Set SUPPRESS_UNREACHABLE_ERROR for
	loop update expression.
	(java_complete_lhs): Use SUPPRESS_UNREACHABLE_ERROR.
	* java-tree.h (SUPPRESS_UNREACHABLE_ERROR): New macro.

From-SVN: r53247

2002-05-06  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("altivec_mtvscr"): Change to
        unspec_volatile.
        ("altivec_mfvscr"): Same.

From-SVN: r53246

	* rtl.h (struct rtx_def): Update comments.
	(RTL_FLAG_CHECK[12345678]): New.  (rtl_check_failed_flag): Declare.
	(RTL_FLAG): New.  (CLEAR_RTX_FLAGS): New.  (flag access macros): Use
	RTL_FLAG_CHECK macros with list of expected RTL codes.
	* rtl.c (copy_rtx, shallow_copy_rtx): Use RTX_FLAG macro.
	(rtl_check_failed_flag): New.
	* reload1.c (reload): Use REG macro before changing rtx to MEM.
	(reload_cse_noop_set_p): Check rtx code before using access macro.
	* config/ia64/ia64.c (process_for_unwind_directive): Check rtx code
	before using access macro.

From-SVN: r53245

From-SVN: r53242

	PR opt/3995
	* fold-const.c (sign_bit_p): New function.
	(fold) [EQ_EXPR]: Use this to convert (A & C) == 0 into A >= 0 and
        (A & C) != 0 into A < 0, when constant C is the sign bit of A's type.
	Reapply fold when converting (A & C) == C into (A & C) != 0.
	(fold_binary_op_with_conditional_arg): Fix typo in comment.

testsuite/
	* gcc.c-torture/execute/20020506-1.c: New test case.

From-SVN: r53241

	* c-common.c (warn_multichar): New.
	(c_common_init): Set CPP's warn_multichar.
	* c-common.h (warn_multichar): New.
	* c-decl.c (warn_multichar): Remove.
	* c-lex.c (lex_charconst): Update.
	* c-tree.h (warn_multichar): Remove.
	* cppexp.c (eval_token): Sign-extend charconst value.
	* cppinit.c (cpp_create_reader): Set warn_multichar.
	* cpplex.c (cpp_interpret_charconst): Don't sign-extend
	each character.  Update prototype.  Sign-extend the result.
	* cpplib.h: Fix conditions.
	(struct cpp_options): Add new warning flag.
	(cpp_interpret_charconst): Update prototype.
cp:
	* Make-lang.in (decl2.o): Update.
	* cp-tree.h (warn_multichar): Remove.
	* decl2.c: Include c-common.h.
	(warn_multichar): Remove.
doc:
	* cpp.texi: Update documentation.
testsuite:
	* gcc.dg/cpp/charconst-3.c: Correct tests accordingly.

From-SVN: r53240

Added Tim Josling to MAINTAINERS file. Fixed various treelang copyrights. Fix
broken treelang build resulting from changes to c-common.c.

From-SVN: r53239

2002-05-06  David S. Miller  <davem@redhat.com>

	* config/sparc/sparc.md (shift insns): Do not mask off
	second operand, 'I' constraint and SHIFT_COUNT_TRUNCATED
	take care of it.

From-SVN: r53238

	* ltmain.sh: Detect and handle object name conflicts
	while piecewise linking a static library.

From-SVN: r53237