From-SVN: r21850

From-SVN: r21849

        * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
        effect when -O2 and higher.
        * invoke.texi (Optimize Options): Likewise for -fcaller-saves.

From-SVN: r21848

        * regclass.c: Changed register set documentation to be consistent
        with GCC behaviour.
        * final.c (final_start_function) Removed redundant test for
        call_fixed_regs.

From-SVN: r21847

        * lib/old-dejagnu.exp: Revise handling of `Internal compiler
        error'.

From-SVN: r21846

	* rtl.h (rtx_function): New type.
	(for_each_rtx): New function.
	* rtlanal.c (for_each_rtx): Define it.
	* recog.c (change_t): New type.
	(change_objects, change_old_codes, change_locs, change_olds):
	Replace with ...
	(changes): New variable.
	(validate_change): Dynamically allocate room for more changes, if
	necessary.  Uses changes array instead of change_objects, etc.
	(apply_change_group):  Use changes array instead of
	change_objects, etc.
	* loop.c (loop_mem_info): New type.
	(loop_mems): New variable.
	(loop_mems_idx): Likewise.
	(looop_mems_allocated): Likewise.
	(scan_loop): Remove nregs parameter.
	(next_insn_in_loop): New function.
	(load_mems_and_recount_loop_regs_set): Likewise.
	(load_mems): Likewise.
	(insert_loop_mem): Likewise.
	(replace_loop_mem): Likewise.
	(replace_label): Likewise.
	(INSN_IN_RANGE_P): New macro.
	(loop_optimize): Don't pass max_reg_num() to scan_loop.
	(scan_loop): Remove nregs parameter, compute it after any new
	registers are created by load_mems.  Use INSN_IN_RANGE_P and
	next_insn_in_loop rather than expanding them inline.  Call
	load_mems to load memory into pseudos, if appropriate.
	(prescan_loop): Figure out whether or not there are jumps from the
	loop to targets other than the label immediately following the
	loop.  Call insert_loop_mem to notice all the MEMs used in the
	loop, if it could be safe to pull MEMs into REGs for the duration
	of the loop.
	(strength_reduce): Use next_insn_in_loop.  Tweak comments.

From-SVN: r21845

	* config/sparc/sparc.md (negtf2_notv9 split): Give NEG
	SFmode.
	(negsf2): Fix insn output string.

From-SVN: r21844

From-SVN: r21843

	* config/sparc/sparc.c (finalize_pic): Check for the correct
	nonlocal_goto_receiver UNSPEC number.
	* config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
	making note of this dependency existing in sparc.c

From-SVN: r21842

From-SVN: r21838

        * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
        pending memory flush list.

From-SVN: r21836

        * Make-lang.in: Add several "else true" clauses to deal with lame
        systems.

From-SVN: r21834

	* combine.c (can_combine_p): Allow combining insns with REG_RETVAL
	notes.
	(try_combine): Allow combining insns with REG_LIBCALL notes.

From-SVN: r21833

From-SVN: r21832

expr.c (emit_block_move): Do not call memcpy as a libcall instead build up a CALL_EXPR and call it like...

        * expr.c (emit_block_move): Do not call memcpy as a libcall
        instead build up a CALL_EXPR and call it like any other
        function.
        (clear_storage): Similarly for memset.

From-SVN: r21831

        * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
        on notes.

From-SVN: r21830

From-SVN: r21828

From-SVN: r21827

From-SVN: r21826

From-SVN: r21825

* c-common.c (decl_attributes): Issue an error if the argument
to alias is not a string.

From-SVN: r21824

        * Makefile.in (cplus-dem.o): Provide explicit rules for building
        cplus-dem.o

From-SVN: r21823

From-SVN: r21822

regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED and REG_LIVE_LENGTH as successful substitutions are made.

        * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
        and REG_LIVE_LENGTH as successful substitutions are made.

From-SVN: r21819

	* config/sparc/sparc.c (ultra_find_type): Add empty semicolon
	statement after end of loop label.
	From me...
	* config/sparc/sparc.c (ultra_types_avail): New variable.
	(ultra_build_types_avail): New function to record mask of insn
	types in ready list at this cycle.
	(ultrasparc_sched_reorder): Call it.
	(ultra_find_type): Use it to quicken the search.  Also simplif
	dependency check, don't use rtx_equal_p because we know exactly
	what we are looking for.

From-SVN: r21817

* arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
for architecture v4.

From-SVN: r21816

From-SVN: r21814

	* config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
	gen_compare_reg.
	(movsf_const_intreg, movsf_const_high, movsf_const_lo,
	movdf_const_intreg and helper splits): New patterns to move float
	constants into integer registers.
	(negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
	splits.

From-SVN: r21813

	* cp-tree.h (enter_scope_of): New function.
	* parse.y (complex_direct_notype_declarator): Use it.
	* semantics.c (enter_scope_of): New function.

From-SVN: r21812

        * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
        to itype.
        * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.

From-SVN: r21810

�
        * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
        a BASE_REGS register is needed as an intermediate when copying
        a symbolic value into any register class other than BASE_REGS.

From-SVN: r21808

 
        * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
        a BASE_REGS register is needed as an intermediate when copying
        a symbolic value into any register class other than BASE_REGS.

From-SVN: r21807

From-SVN: r21801

	* decl.c (grokdeclarator): Catch parm with pointer to array of
	unknown bound here...
	* method.c (process_overload_item): ...not here.

From-SVN: r21800

From-SVN: r21799

	* cplus-dem.c (do_type): Fix simple array handling.  If we fail,
	stay failed.

From-SVN: r21798

From-SVN: r21797

From-SVN: r21796

	* gxxint.texi: Remove obsolete documentation of overloading code.
	* decl.c (finish_enum): Also set TYPE_SIZE_UNIT.
	* tree.c (lvalue_type): Fix for arrays.
	* typeck.c (build_unary_op): Use lvalue_type.
	* call.c (add_function_candidate): Likewise.
	* cvt.c (convert_to_reference): Likewise.
	* decl2.c (lang_decode_option): Ignore -traditional.

From-SVN: r21795

        * expr.c (move_by_pieces): No longer static.  Remove prototype.
        * rtl.h (move_by_pieces): Add extern prototype.
        * mips.c (expand_block_move): Handle aligned straight line copy by
        calling move_by_pieces.

From-SVN: r21794