From-SVN: r87548

2004-09-15  Steven G. Kargl  <kargls@comcast.net>
	Paul Brook  <paul@codesourcery.com>

	* intrinsics/env.c (getenv, get_environmental_variable): Remove
	trailing white space.  Uase alloca.  Honour trim_name.

Co-Authored-By: Paul Brook <paul@codesourcery.com>

From-SVN: r87547

	* gnu/java/net/protocol/file/Handler.java
	(openConnection): Don't throw exception if host part for file: URI is
	present. setURL() keeps file: protocol if ftp: protocol is not
	available.

From-SVN: r87546

	* gcc.c-torture/execute/pr17252.c: Fix thinko.  Don't
	dereference garbage pointers.

From-SVN: r87545

	* config/rs6000/linux-unwind.h (struct gcc_pt_regs): Extend to
	include ccr.
	(ppc_fallback_frame_state): Save location of CR.

From-SVN: r87543

From-SVN: r87542

	* cp-tree.h (struct lang_decl_flags): Remove
	needs_final_overrider.
	(DECL_NEEDS_FINAL_OVERRIDER_P): Remove.
	* decl.c (duplicate_decls): Do not copy DECL_NEEDS_FINAL_OVERRIDER_P.
	* class.c (finish_struct_bits): Correct comment about
	CLASSTYPE_PURE_VIRTUALS.
	* search.c (get_pure_virtuals): Remove useless loop.

From-SVN: r87541

	* expr.c (string_constant): Handle also read-only variables
	initialized to string literals.

	* gcc.c-torture/execute/builtins/strlen-3.c: New test.
	* gcc.c-torture/execute/builtins/strlen-3-lib.c: New.

From-SVN: r87540

builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1) into memcpy (x, y, 1) if memcpy can be expanded inline.

	* builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1)
	into memcpy (x, y, 1) if memcpy can be expanded inline.

	* gcc.c-torture/execute/builtins/memmove.c (main_test): Formatting.
	* gcc.c-torture/execute/builtins/memmove-2.c: New test.
	* gcc.c-torture/execute/builtins/memmove-2-lib.c: New.

From-SVN: r87539

	PR tree-optimization/17468
	* tree-ssa.c (verify_use, verify_phi_args, verify_ssa):  Verify that
	definition inside a block precede uses.
	* tree-tailcall.c (adjust_return_value): Emit statements in the
	correct order.

From-SVN: r87538

From-SVN: r87537

From-SVN: r87533

        * tree-ssa-dom.c (avail_exprs_stack): New global varray.
        (struct dom_walk_block_data): Remove avail_exprs member.
        (tree_ssa_dominator_optimize): Initialize avail_exprs_stack.
        (lookup_avail_expr): No longer need to pass in address of
        the block local available exprs stack.  All callers changed.
        (simplify_cond_and_lookup_avail_expr): Similarly.
        (simplify_switch_and_lookup_avail_expr): Similarly.
        (get_eq_expr_value, record_cond): Likewise.
        (record_dominating_conditions): Likewise.
        (update_rhs_and_lookup_avail_expr): Likewise.
        (record_equivalences_from_stmt): Likewise.
        (dom_opt_initialize_block_local_data): No longer test state of
        block local avail_exprs.
        (dom_opt_initialize_block): Mark unwind point in the global
        avail_expr stack.
        (remove_expressions_from_table): Update to unwind to the
        most recent unwind marker in the global avail_expr stack.
        All callers changed.
        (dom_opt_finalize_block): Mark unwind point in the global
        avail_expr stack as needed.
        (record_cond): Push elements into the global avail_exprs stack.

From-SVN: r87532

	* tree-dfa.c (free_df_for_stmt): No longer static.
	(free_df): Update comments.
	* tree-flow.h (free_df_for_stmt): Prototype.
	* tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt.  Also
	call release_defs.

From-SVN: r87531

	PR c++/17324
	* mangle.c (partially_mangled_name): New variable.
	(partially_mangled_name_len): Likewise.
	(save_partially_mangled_name): New function.
	(restore_partially_mangled_name): Likewise.
	(write_encoding): Save and restore partially mangled names around
	calls to get_mostly_instantiated_function_type.
	(write_unqualified_name): Likewise.

	PR c++/17324
	* g++.dg/template/mangle1.C: New test.

From-SVN: r87530

	PR tree-optimization/17252
	* tree-ssa-alias.c (may_alias_p): Don't assume that a
	pointer may not point to itself when using relaxed
	aliasing rules.

testsuite/ChangeLog

	PR tree-optimization/17252
	* gcc.c-torture/execute/pr17252.c: New test.

From-SVN: r87529

	PR middle-end/17397
	* gimplify.c (gimplify_addr_expr): Don't inadvertently change types
	while folding <ADDR_EXPR <INDIRECT_REF X>>.

From-SVN: r87528

2004-09-14  Andrew Pinski  <apinski@apple.com>

        * g++.dg/tree-ssa/pointer-reference-alias.C: New test.

2004-09-14  Andrew Pinski  <apinski@apple.com>

        * tree-ssa-copy.c (may_propagate_copy): Don't check the aliasing
        sets of the pointers but the aliasing sets of what they point to.

From-SVN: r87527

From-SVN: r87523

	PR rtl-optimization/9771
	* regclass.c (CALL_REALLY_USED_REGNO_P): New macro to eliminate
	conditional compilation in init_reg_sets_1.
	(init_reg_sets_1): Let global_regs[i] take priority over the frame
	(but not stack) pointer exceptions to regs_invalidated_by_call.
	(globalize_reg): Globalizing a fixed register may need to update
	regs_invalidated_by_call.

	* gcc.dg/pr9771-1.c: New test case.

From-SVN: r87516

	PR tree-optimization/15262
	* tree-dfa.c (dump_variable): Also print the type of the
	variable.
	* tree-ssa-alias.c (compute_flow_insensitive_aliasing): If two
	memory tags are of conflicting alias sets but have no aliased
	symbols in common, add one tag to the alias set of the other.
	(setup_pointers_and_addressables): Remove hack to deal with
	programs with no aliased symbols.
	(may_alias_p): Don't special case aggregate types.


testsuite/ChangeLog

	PR tree-optimization/15262
	* gcc.c-torture/execute/pr15262-1.c: New test.
	* gcc.c-torture/execute/pr15262-2.c: New test.

From-SVN: r87515

	PR c/15498
	* doc/invoke.texi (Environment Variables): Correct example locale.

From-SVN: r87513

2004-09-14  H.J. Lu  <hongjiu.lu@intel.com>

	PR libgcj/17465
	* testsuite/lib/libffi-dg.exp: Don't use global ld_library_path.
	Set up LD_LIBRARY_PATH, SHLIB_PATH, LD_LIBRARYN32_PATH,
	LD_LIBRARY64_PATH, LD_LIBRARY_PATH_32, LD_LIBRARY_PATH_64 and
	DYLD_LIBRARY_PATH.

From-SVN: r87511

	* be.po, ca.po, da.po, de.po, el.po, es.po, fr.po, ja.po, nl.po,
	sv.po, tr.po: Update.
	* gcc.pot: Regenerate.

From-SVN: r87507

From-SVN: r87506

        * java/lang/natPosixProcess.cc (waitForSignal): Ignore return
        value of sigsuspend.

From-SVN: r87505

From-SVN: r87504

	* config.gcc: Do not build a shared libgcc for arm-none-eabi.

[[Split portion of a mixed commit.]]

From-SVN: r87503.2

2004-09-14  Nathan Myers  <ncm@cantrip.org>

	* include/bits/fstream.tcc (xsgetn): Slightly tweak the recent fix
	for 11722: copy can replace move; the common case is __avail == 0.

From-SVN: r87501

	* c-tree.h (struct c_declspecs): Add const_p, volatile_p and
	restrict_p.
	(struct c_declarator): Change u.array.quals and pointer_quals to
	int.  Add u.array.attrs.
	(quals_from_declspecs): New.
	* c-decl.c (quals_from_declspecs): New.
	(shadow_tag_warned): Give more specific message for useless type
	qualifiers.
	(build_array_declarator, set_array_declarator_inner,
	grokdeclarator, make_pointer_declarator, build_null_declspecs,
	declspecs_add_qual): Update for changed structures.

testsuite:
	* gcc.dg/declspec-12.c: New test.

From-SVN: r87500

2004-09-14  Paolo Carlini  <pcarlini@suse.de>

	* include/bits/cpp_type_traits.h: Rename __is_trivially_copyable
	to __is_scalar, more clear and consistent with "tr1" naming.
	* include/bits/stl_algobase.h: Update consistently throughout.

From-SVN: r87497

        * tree-ssa-dom.c (stmts_to_rescan): Move from a block-local varray
        to a global varray.
        (tree_ssa_dominator_optimize): Allocate stmts_to_rescan.
        (dom_opt_initialize_block_local_data): No longer test stmts_to_rescan's
        state.
        (dom_opt_finalize_block): Update due to change in scope of
        stmts_to_rescan.
        (optimize_stmt): Similarly.

From-SVN: r87494

	* data.c, decl.c, f95-lang.c, gfortran.h, match.c,
	trans-array.c, trans-common.c, trans-expr.c,
	trans-intrinsic.c, trans-stmt.c, trans-types.c, trans.h: Fix
	comment typos.  Follow spelling conventions.

From-SVN: r87492

From-SVN: r87491

	* cgraph.h, cgraphunit.c, fold-const.c, lambda-mat.c,
	lambda.h, profile.c, tree-optimize.c, tree-sra.c, vec.h: Fix
	comment typos.  Follow spelling conventions.

From-SVN: r87490

	* config/darwin-c.c, config/alpha/alpha.c, config/i386/i386.c,
	config/i386/predicates.md, config/sparc/sparc.c: Follow
	spelling conventions.

From-SVN: r87489

2004-09-14  Bud Davis  <bdavis9659@comcast.net>

        * gfortran.dg/pr17090.f90: Add directives to test.

From-SVN: r87488

	* Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
	* basic-block.h (struct reorder_block_def): Add copy_number field.
	* cfgloop.h (biv_p): Declare.
	* cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
	* common.opt (fsplit-ivs-in-unroller): New flag.
	* loop-iv.c (biv_p): New function.
	* loop-unroll.c: Include hashtab.h and recog.h.
	(struct iv_to_split, struct split_ivs_info): New types.
	(analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
	free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
	determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
	insert_base_initialization, split_iv): New functions.
	(peel_loop_completely, unroll_loop_constant_iterations,
	unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
	Use them.
	* doc/invoke.texi (-fsplit-ivs-in-unroller): Document.

Co-Authored-By: Steven Bosscher <stevenb@suse.de>

From-SVN: r87487

tree-cfg.c (thread_jumps): Update dominators correctly in case destination of threaded edge dominates its...

	* tree-cfg.c (thread_jumps): Update dominators correctly in
	case destination of threaded edge dominates its source.

From-SVN: r87486

	* unroll.c: Removed.
	* loop.h: Removed.
	* Makefile.in (LOOP_H, unroll.o): Removed.
	(toplev.o, passes.o, stmt.o, integrate.o, loop.o): Remove LOOP_H
	dependency.
	* alias.c (init_alias_analysis): Remove flag_old_unroll_loops
	reference.
	* cfgloop.h (LOOP_PREFETCH, loop_optimize): Moved from loop.h.
	* common.opt (fold-unroll-loops, fold-unroll-all-loops): Removed.
	* loop.c: Do not include loop.h.
	(LOOP_INFO, LOOP_MOVABLES, LOOP_REGS, LOOP_IVS, INSN_LUID,
	REGNO_FIRST_LUID, REGNO_LAST_LUID, enum g_types, struct induction,
	struct iv_class, enum iv_mode, struct iv, REG_IV_TYPE, REG_IV_INFO,
	REG_IV_CLASS, struct loop_ivs, struct loop_mem_info, struct loop_reg,
	struct loop_regs, struct loop_movables, struct loop_info): Moved
	from loop.h.
	(back_branch_in_range_p, fold_rtx_mult_add, biv_total_increment,
	reg_dead_after_loop, final_biv_value, loop_find_equiv_value,
	find_common_reg_term, loop_iterations, final_giv_value): Moved
	from unroll.c.
	(uid_luid, uid_loop, max_uid_for_loop, max_reg_before_loop,
	loop_dump_stream, for_each_insn_in_loop, express_from,
	extend_value_for_giv, loop_iv_add_mult_emit_before,
	loop_iv_add_mult_sink, loop_iv_add_mult_hoist,
	loop_insn_first_p, get_condition_for_loop,
	loop_insn_emit_before, loop_insn_hoist,
	loop_insn_sink): Made static.
	(loop_invariant_p): Made static.  Removed flag_old_unroll_loops
	reference.
	(strength_reduce): Do not call unroller.
	(record_giv): Do not initialize unrolled field.
	(prescan_loop): Do not set loop_info->preconditioned.
	* passes.c: Do not include loop.h.
	(rest_of_handle_loop_optimize): Do not call unroller.
	* predict.c: Do not include loop.h.
	* rtl.h (NOTE_PRECONDITIONED): Removed.
	* stmt.c: Do not include loop.h.
	* toplev.c: Do not include loop.h.
	(process_options): Do not handle flag_old_unroll_loops.

	* doc/invoke.texi (fold-unroll-loops, fold-unroll-all-loops):
	Documentation removed.
	* doc/passes.texi (unroll.c, loop.h): Documentation removed.

From-SVN: r87485