From-SVN: r30066

From-SVN: r30063

        * combine.c (get_last_value): If the last set of a register
        is after subst_low_cuid, then we can not use it to determine
        the register's last value.

From-SVN: r30062

From-SVN: r30061

From-SVN: r30060

From-SVN: r30059

        * haifa-sched.c (add_dependence): Only check/update the cache
        if it exists.
        (remove_dependence): Likewise.
        (schedule_insns): Only create the true_dependency_cache if the
        average number of instructions in a basic block is very large.

From-SVN: r30058

	* Makefile.in (ggc-common.o): Depend on genrtl.h.
	(ggc-simple.o): Likewise.
	(ggc-page.o): Likewise.

From-SVN: r30057

	* dump.c (dequeue_and_dump): Handle CLEANUP_POINT_EXPR.

	* ir.texi: Clean up documentation of RETURN_INIT.

From-SVN: r30056

        * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
        Prototype for exported functions.
        (pre_lcm, pre_rev_lcm): Remove prototypes.
        * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
        (compute_available): Move to lcm.c, and change parameter order.
        (one_classic_gcse_pass): Call compute_ae_kill with parameters.
        (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
        (gcse_main): No longer call compute_preds_succs.  Rebuild the
        set table after reach pre pass.
        (pre_insert_map, pre_delete_map, edge_list): New.
        (alloc_pre_mem): Allocate edge vectors.
        (free_pre_mem): Delete edge vectors.
        (compute_pre_data): Call new edge based lcm routines.
        (process_insert_insn): New function.
        (insert_insn_end_bb): Use it.
        (pre_edge_insert): New function.
        (pre_insert_copy_insn): Formatting fixes.  Update BLOCK_END as
        needed.
        (pre_insert_copies): Revamp using new edge based lcm outputs.
        (pre_delete): Likewise.
        (one_pre_gcse_pass): Insert & remove fake edges to the exit
        block.
        (compute_code_hoist_vbeinout): New new edge based routines.
        * lcm.c: Remove all the old LCM functions.  Replace with new ones
        that work with the new cfg datastructures and work with edges
        instead of blocks.

From-SVN: r30055

From-SVN: r30054

From-SVN: r30053

From-SVN: r30052

        * reload.h (struct reload): Add new fields "mode" and "nregs".
        * reload1.c: Change all occurrences of reload_mode and reload_nregs
        to reference the "mode" and "nregs" field within struct reload.

From-SVN: r30051

        * haifa-sched.c (true_dependency_cache): New.
        (add_dependence): Use the true dependency cache to avoid expensive
        walks down the LOG_LINKS dependency list.  Add entries to the
        cache as necessary.
        (remove_dependence): Remove entries from the true dependency cache
        as needed.
        (schedule_insns): Allocate and initialize and free the true
        dependency cache.

From-SVN: r30050

        * haifa-sched.c (schedule_insns): Do not remove inter-block
        dependencies anymore.

From-SVN: r30049

        * java/lang/ClassLoader.java (getSystemResource): Use
        getSystemClassLoader instead of ClassLoader.system.
        (getSystemResourceAsStream): Ditto.

        * java/lang/natClassLoader.cc (redirect): Make static and
        remove #ifdef INTERPRETER so it is always defined.
        (getVMClassLoader0): Remove #ifdef INTERPRETER so it always
        returns a VMClassLoader.

        * java/util/ResourceBundle.java (trySomeGetBundle): Create a
        PropertyResourceBundle if a properties file is found before a
        ResourceBundle class.

From-SVN: r30048

        * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
        * i386/t-winnt: Likewise.

From-SVN: r30045

	* Makefile.in (LANGUAGES): Omit "proto".
	(clean): Remove stale comment about removing unprotoize.c.

From-SVN: r30044

        * protoize.c (safe_read, safe_write): Avoid the gcc extension of
        using arithmetic on void pointers.

From-SVN: r30043

haifa-sched.c (compute_block_forward_dependencies): Only check for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.

 	* haifa-sched.c (compute_block_forward_dependencies): Only check
	for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.

From-SVN: r30042

From-SVN: r30041

From-SVN: r30040

        * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
        (expr_equiv_p): Reject memories with different alias sets.

From-SVN: r30039

* lex.c (lang_init_options): Set flag_bounds_check as "unspecified".
(lang_init): Set default for flag_bounds_check if still "unspecified".

From-SVN: r30038

* top.h (ffe_is_subscript_check_): Remove extern decl.
(ffe_is_subscript_check, ffe_set_is_subscript_check): Remove macros.
* top.c (ffe_is_subscript_check_): Remove global variable.
(ffe_decode_option): Remove "(no-)bounds-check" flag handling.
Set flag_bounds_check for "(no-)fortran-bounds-check".
* com.c
(ffecom_arrayref_): s/ffe_is_subscript_check ()/flag_bounds_check/
(ffecom_char_args_x_): Ditto.

From-SVN: r30037

* java-tree.h (flag_bounds_check): Remove extern decl.
* lang.c (flag_bounds_check): Remove global variable.
(lang_f_options): Remove "bounds-check" entry.
(lang_init_options): Default flag_bounds_check to "on".

From-SVN: r30036

* flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
* toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
(f_options): Add "bounded-pointers" and "bounds-check" entries.
* c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
(lang_init): Set default for flag_bounds_check if still "unspecified".

From-SVN: r30035

From-SVN: r30034

	* config/c4x/c4x.md (movstrqi_small): Utilise parallel move
	instructions.

From-SVN: r30033

From-SVN: r30032

	*decrement_and_branch_until_zero_noclobber): New patterns and
	associated splitters.

From-SVN: r30031

	* config/c4x/c4x.md (parallel instruction patterns): Rework
	constraints to keep reload happy.

From-SVN: r30030

	*one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
	*andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
	Add new patterns and associated post-reload splitters.

From-SVN: r30029

From-SVN: r30028

	* config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
	if appropriate.
	* config/c4x/c4x.md (rpts_top): New pattern and splitter.

From-SVN: r30027

	* config/c4x/c4x.c (src_operand):  Check SYMBOL_REF and LABEL_REF
	memory mode.

From-SVN: r30026

pa.c (move_operand): Rely on memory_address_p to determine the validity of non-indexed memory addresses.

        * pa.c (move_operand): Rely on memory_address_p to determine the
        validity of non-indexed memory addresses.
        * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
        operand in DFmode and SFmode when generating PA2.0 code.

From-SVN: r30025

From-SVN: r30024

        * mips.c (function_prologue): Fix argument types.
        * mips.md (casesi): Use emit_jump_insn for casesi_internal.
        (casesi_internal): Write to the scratch register.

From-SVN: r30023